Commit 3d9e82fdd5619985b56ca25fb1f89de3dfabc029
2019-05-21T14:59:55
Merge pull request #4935 from libgit2/ethomson/pcre Use PCRE for our fallback regex engine when regcomp_l is unavailable
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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 88eb9ec..1630a7b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,6 +65,7 @@ OPTION(DEBUG_POOL "Enable debug pool allocator" OFF)
OPTION(ENABLE_WERROR "Enable compilation with -Werror" OFF)
OPTION(USE_BUNDLED_ZLIB "Use the bundled version of zlib" OFF)
OPTION(DEPRECATE_HARD "Do not include deprecated functions in the library" OFF)
+ SET(REGEX_BACKEND "" CACHE STRING "Regular expression implementation. One of regcomp_l, pcre2, pcre, regcomp, or builtin.")
IF (UNIX AND NOT APPLE)
OPTION(ENABLE_REPRODUCIBLE_BUILDS "Enable reproducible builds" OFF)
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 957dd27..2ea2ffb 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -16,7 +16,7 @@ jobs:
imageName: 'libgit2/trusty-amd64:latest'
environmentVariables: |
CC=gcc
- CMAKE_OPTIONS=-DUSE_HTTPS=OpenSSL -DDEPRECATE_HARD=ON
+ CMAKE_OPTIONS=-DUSE_HTTPS=OpenSSL -DREGEX_BACKEND=builtin -DDEPRECATE_HARD=ON
LEAK_CHECK=valgrind
- job: linux_amd64_trusty_gcc_mbedtls
@@ -55,7 +55,7 @@ jobs:
imageName: 'libgit2/trusty-amd64:latest'
environmentVariables: |
CC=clang
- CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DDEPRECATE_HARD=ON
+ CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DREGEX_BACKEND=pcre -DDEPRECATE_HARD=ON
LEAK_CHECK=valgrind
- job: macos
@@ -71,7 +71,7 @@ jobs:
TMPDIR: $(Agent.TempDirectory)
PKG_CONFIG_PATH: /usr/local/opt/openssl/lib/pkgconfig
LEAK_CHECK: leaks
- CMAKE_OPTIONS: -G Ninja -DDEPRECATE_HARD=ON
+ CMAKE_OPTIONS: -G Ninja -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON
SKIP_SSH_TESTS: true
- job: windows_vs_amd64
diff --git a/azure-pipelines/nightly.yml b/azure-pipelines/nightly.yml
index fd76b97..696dbf1 100644
--- a/azure-pipelines/nightly.yml
+++ b/azure-pipelines/nightly.yml
@@ -12,7 +12,7 @@ jobs:
imageName: 'libgit2/trusty-amd64:latest'
environmentVariables: |
CC=gcc
- CMAKE_OPTIONS=-DUSE_HTTPS=OpenSSL -DDEPRECATE_HARD=ON
+ CMAKE_OPTIONS=-DUSE_HTTPS=OpenSSL -DREGEX_BACKEND=builtin -DDEPRECATE_HARD=ON
LEAK_CHECK=valgrind
RUN_INVASIVE_TESTS=true
@@ -54,7 +54,7 @@ jobs:
imageName: 'libgit2/trusty-amd64:latest'
environmentVariables: |
CC=clang
- CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DDEPRECATE_HARD=ON
+ CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DREGEX_BACKEND=pcre -DDEPRECATE_HARD=ON
LEAK_CHECK=valgrind
RUN_INVASIVE_TESTS=true
@@ -71,7 +71,7 @@ jobs:
TMPDIR: $(Agent.TempDirectory)
PKG_CONFIG_PATH: /usr/local/opt/openssl/lib/pkgconfig
LEAK_CHECK: leaks
- CMAKE_OPTIONS: -G Ninja -DDEPRECATE_HARD=ON
+ CMAKE_OPTIONS: -G Ninja -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON
RUN_INVASIVE_TESTS: true
SKIP_SSH_TESTS: true
diff --git a/cmake/Modules/FindPCRE.cmake b/cmake/Modules/FindPCRE.cmake
new file mode 100644
index 0000000..74ed61e
--- /dev/null
+++ b/cmake/Modules/FindPCRE.cmake
@@ -0,0 +1,38 @@
+# Copyright (C) 2007-2009 LuaDist.
+# Created by Peter Kapec <kapecp@gmail.com>
+# Redistribution and use of this file is allowed according to the terms of the MIT license.
+# For details see the COPYRIGHT file distributed with LuaDist.
+# Note:
+# Searching headers and libraries is very simple and is NOT as powerful as scripts
+# distributed with CMake, because LuaDist defines directories to search for.
+# Everyone is encouraged to contact the author with improvements. Maybe this file
+# becomes part of CMake distribution sometimes.
+
+# - Find pcre
+# Find the native PCRE headers and libraries.
+#
+# PCRE_INCLUDE_DIRS - where to find pcre.h, etc.
+# PCRE_LIBRARIES - List of libraries when using pcre.
+# PCRE_FOUND - True if pcre found.
+
+# Look for the header file.
+FIND_PATH(PCRE_INCLUDE_DIR NAMES pcreposix.h)
+
+# Look for the library.
+FIND_LIBRARY(PCRE_LIBRARY NAMES pcre)
+FIND_LIBRARY(PCRE_POSIX_LIBRARY NAMES pcreposix)
+
+# Handle the QUIETLY and REQUIRED arguments and set PCRE_FOUND to TRUE if all listed variables are TRUE.
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE DEFAULT_MSG PCRE_LIBRARY PCRE_POSIX_LIBRARY PCRE_INCLUDE_DIR)
+
+# Copy the results to the output variables.
+IF(PCRE_FOUND)
+ SET(PCRE_LIBRARIES ${PCRE_LIBRARY} ${PCRE_POSIX_LIBRARY})
+ SET(PCRE_INCLUDE_DIRS ${PCRE_INCLUDE_DIR})
+ELSE(PCRE_FOUND)
+ SET(PCRE_LIBRARIES)
+ SET(PCRE_INCLUDE_DIRS)
+ENDIF(PCRE_FOUND)
+
+MARK_AS_ADVANCED(PCRE_INCLUDE_DIRS PCRE_LIBRARIES)
diff --git a/cmake/Modules/FindPCRE2.cmake b/cmake/Modules/FindPCRE2.cmake
new file mode 100644
index 0000000..122f0e9
--- /dev/null
+++ b/cmake/Modules/FindPCRE2.cmake
@@ -0,0 +1,38 @@
+# Copyright (C) 2007-2009 LuaDist.
+# Created by Peter Kapec <kapecp@gmail.com>
+# Redistribution and use of this file is allowed according to the terms of the MIT license.
+# For details see the COPYRIGHT file distributed with LuaDist.
+# Note:
+# Searching headers and libraries is very simple and is NOT as powerful as scripts
+# distributed with CMake, because LuaDist defines directories to search for.
+# Everyone is encouraged to contact the author with improvements. Maybe this file
+# becomes part of CMake distribution sometimes.
+
+# - Find pcre
+# Find the native PCRE2 headers and libraries.
+#
+# PCRE2_INCLUDE_DIRS - where to find pcre.h, etc.
+# PCRE2_LIBRARIES - List of libraries when using pcre.
+# PCRE2_FOUND - True if pcre found.
+
+# Look for the header file.
+FIND_PATH(PCRE2_INCLUDE_DIR NAMES pcre2posix.h)
+
+# Look for the library.
+FIND_LIBRARY(PCRE2_LIBRARY NAMES pcre2-8)
+FIND_LIBRARY(PCRE2_POSIX_LIBRARY NAMES pcre2-posix)
+
+# Handle the QUIETLY and REQUIRED arguments and set PCRE2_FOUND to TRUE if all listed variables are TRUE.
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE2 DEFAULT_MSG PCRE2_LIBRARY PCRE2_POSIX_LIBRARY PCRE2_INCLUDE_DIR)
+
+# Copy the results to the output variables.
+IF(PCRE2_FOUND)
+ SET(PCRE2_LIBRARIES ${PCRE2_LIBRARY} ${PCRE2_POSIX_LIBRARY})
+ SET(PCRE2_INCLUDE_DIRS ${PCRE2_INCLUDE_DIR})
+ELSE(PCRE2_FOUND)
+ SET(PCRE2_LIBRARIES)
+ SET(PCRE2_INCLUDE_DIRS)
+ENDIF(PCRE2_FOUND)
+
+MARK_AS_ADVANCED(PCRE2_INCLUDE_DIRS PCRE2_LIBRARIES)
diff --git a/deps/pcre/CMakeLists.txt b/deps/pcre/CMakeLists.txt
new file mode 100644
index 0000000..432e774
--- /dev/null
+++ b/deps/pcre/CMakeLists.txt
@@ -0,0 +1,139 @@
+INCLUDE(CheckIncludeFile)
+INCLUDE(CheckFunctionExists)
+INCLUDE(CheckTypeSize)
+
+CHECK_INCLUDE_FILE(dirent.h HAVE_DIRENT_H)
+CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
+CHECK_INCLUDE_FILE(inttypes.h HAVE_INTTYPES_H)
+CHECK_INCLUDE_FILE(sys/stat.h HAVE_SYS_STAT_H)
+CHECK_INCLUDE_FILE(sys/types.h HAVE_SYS_TYPES_H)
+CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
+CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H)
+
+CHECK_FUNCTION_EXISTS(bcopy HAVE_BCOPY)
+CHECK_FUNCTION_EXISTS(memmove HAVE_MEMMOVE)
+CHECK_FUNCTION_EXISTS(strerror HAVE_STRERROR)
+CHECK_FUNCTION_EXISTS(strtoll HAVE_STRTOLL)
+CHECK_FUNCTION_EXISTS(strtoq HAVE_STRTOQ)
+CHECK_FUNCTION_EXISTS(_strtoi64 HAVE__STRTOI64)
+
+CHECK_TYPE_SIZE("long long" LONG_LONG)
+CHECK_TYPE_SIZE("unsigned long long" UNSIGNED_LONG_LONG)
+
+DISABLE_WARNINGS(unused-function)
+
+# User-configurable options
+
+SET(SUPPORT_PCRE8 1)
+SET(PCRE_LINK_SIZE "2")
+SET(PCRE_PARENS_NEST_LIMIT "250")
+SET(PCRE_MATCH_LIMIT "10000000")
+SET(PCRE_MATCH_LIMIT_RECURSION "MATCH_LIMIT")
+SET(PCRE_NEWLINE "LF")
+SET(NO_RECURSE 1)
+SET(PCRE_POSIX_MALLOC_THRESHOLD "10")
+SET(BSR_ANYCRLF 0)
+
+IF (MINGW)
+ OPTION(NON_STANDARD_LIB_PREFIX
+ "ON=Shared libraries built in mingw will be named pcre.dll, etc., instead of libpcre.dll, etc."
+ OFF)
+
+ OPTION(NON_STANDARD_LIB_SUFFIX
+ "ON=Shared libraries built in mingw will be named libpcre-0.dll, etc., instead of libpcre.dll, etc."
+ OFF)
+ENDIF(MINGW)
+
+# Prepare build configuration
+
+SET(pcre_have_long_long 0)
+SET(pcre_have_ulong_long 0)
+
+IF(HAVE_LONG_LONG)
+ SET(pcre_have_long_long 1)
+ENDIF(HAVE_LONG_LONG)
+
+IF(HAVE_UNSIGNED_LONG_LONG)
+ SET(pcre_have_ulong_long 1)
+ENDIF(HAVE_UNSIGNED_LONG_LONG)
+
+SET(NEWLINE "")
+
+IF(PCRE_NEWLINE STREQUAL "LF")
+ SET(NEWLINE "10")
+ENDIF(PCRE_NEWLINE STREQUAL "LF")
+IF(PCRE_NEWLINE STREQUAL "CR")
+ SET(NEWLINE "13")
+ENDIF(PCRE_NEWLINE STREQUAL "CR")
+IF(PCRE_NEWLINE STREQUAL "CRLF")
+ SET(NEWLINE "3338")
+ENDIF(PCRE_NEWLINE STREQUAL "CRLF")
+IF(PCRE_NEWLINE STREQUAL "ANY")
+ SET(NEWLINE "-1")
+ENDIF(PCRE_NEWLINE STREQUAL "ANY")
+IF(PCRE_NEWLINE STREQUAL "ANYCRLF")
+ SET(NEWLINE "-2")
+ENDIF(PCRE_NEWLINE STREQUAL "ANYCRLF")
+
+IF(NEWLINE STREQUAL "")
+ MESSAGE(FATAL_ERROR "The PCRE_NEWLINE variable must be set to one of the following values: \"LF\", \"CR\", \"CRLF\", \"ANY\", \"ANYCRLF\".")
+ENDIF(NEWLINE STREQUAL "")
+
+# Output files
+CONFIGURE_FILE(config.h.in
+ ${PROJECT_BINARY_DIR}/src/pcre/config.h
+ @ONLY)
+
+# Source code
+
+SET(PCRE_HEADERS ${PROJECT_BINARY_DIR}/src/pcre/config.h)
+
+SET(PCRE_SOURCES
+ pcre_byte_order.c
+ pcre_chartables.c
+ pcre_compile.c
+ pcre_config.c
+ pcre_dfa_exec.c
+ pcre_exec.c
+ pcre_fullinfo.c
+ pcre_get.c
+ pcre_globals.c
+ pcre_jit_compile.c
+ pcre_maketables.c
+ pcre_newline.c
+ pcre_ord2utf8.c
+ pcre_refcount.c
+ pcre_string_utils.c
+ pcre_study.c
+ pcre_tables.c
+ pcre_ucd.c
+ pcre_valid_utf8.c
+ pcre_version.c
+ pcre_xclass.c
+)
+
+SET(PCREPOSIX_HEADERS pcreposix.h)
+
+SET(PCREPOSIX_SOURCES pcreposix.c)
+
+# Fix static compilation with MSVC: https://bugs.exim.org/show_bug.cgi?id=1681
+# This code was taken from the CMake wiki, not from WebM.
+
+# Build setup
+
+ADD_DEFINITIONS(-DHAVE_CONFIG_H)
+
+IF(MSVC)
+ ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS)
+ENDIF(MSVC)
+
+SET(CMAKE_INCLUDE_CURRENT_DIR 1)
+
+SET(targets)
+
+# Libraries
+# pcre
+INCLUDE_DIRECTORIES(${PROJECT_BINARY_DIR}/src/pcre)
+ADD_LIBRARY(pcre OBJECT ${PCRE_HEADERS} ${PCRE_SOURCES} ${PCREPOSIX_SOURCES})
+
+# end CMakeLists.txt
diff --git a/deps/pcre/COPYING b/deps/pcre/COPYING
new file mode 100644
index 0000000..58eed01
--- /dev/null
+++ b/deps/pcre/COPYING
@@ -0,0 +1,5 @@
+PCRE LICENCE
+
+Please see the file LICENCE in the PCRE distribution for licensing details.
+
+End
diff --git a/deps/pcre/cmake/COPYING-CMAKE-SCRIPTS b/deps/pcre/cmake/COPYING-CMAKE-SCRIPTS
new file mode 100644
index 0000000..4b41776
--- /dev/null
+++ b/deps/pcre/cmake/COPYING-CMAKE-SCRIPTS
@@ -0,0 +1,22 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the copyright
+ notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/deps/pcre/cmake/FindEditline.cmake b/deps/pcre/cmake/FindEditline.cmake
new file mode 100644
index 0000000..2d0b7cc
--- /dev/null
+++ b/deps/pcre/cmake/FindEditline.cmake
@@ -0,0 +1,17 @@
+# Modified from FindReadline.cmake (PH Feb 2012)
+
+if(EDITLINE_INCLUDE_DIR AND EDITLINE_LIBRARY AND NCURSES_LIBRARY)
+ set(EDITLINE_FOUND TRUE)
+else(EDITLINE_INCLUDE_DIR AND EDITLINE_LIBRARY AND NCURSES_LIBRARY)
+ FIND_PATH(EDITLINE_INCLUDE_DIR readline.h
+ /usr/include/editline
+ /usr/include/edit/readline
+ /usr/include/readline
+ )
+
+ FIND_LIBRARY(EDITLINE_LIBRARY NAMES edit)
+ include(FindPackageHandleStandardArgs)
+ FIND_PACKAGE_HANDLE_STANDARD_ARGS(Editline DEFAULT_MSG EDITLINE_INCLUDE_DIR EDITLINE_LIBRARY )
+
+ MARK_AS_ADVANCED(EDITLINE_INCLUDE_DIR EDITLINE_LIBRARY)
+endif(EDITLINE_INCLUDE_DIR AND EDITLINE_LIBRARY AND NCURSES_LIBRARY)
diff --git a/deps/pcre/cmake/FindPackageHandleStandardArgs.cmake b/deps/pcre/cmake/FindPackageHandleStandardArgs.cmake
new file mode 100644
index 0000000..151d812
--- /dev/null
+++ b/deps/pcre/cmake/FindPackageHandleStandardArgs.cmake
@@ -0,0 +1,58 @@
+# FIND_PACKAGE_HANDLE_STANDARD_ARGS(NAME (DEFAULT_MSG|"Custom failure message") VAR1 ... )
+# This macro is intended to be used in FindXXX.cmake modules files.
+# It handles the REQUIRED and QUIET argument to FIND_PACKAGE() and
+# it also sets the <UPPERCASED_NAME>_FOUND variable.
+# The package is found if all variables listed are TRUE.
+# Example:
+#
+# FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibXml2 DEFAULT_MSG LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR)
+#
+# LibXml2 is considered to be found, if both LIBXML2_LIBRARIES and
+# LIBXML2_INCLUDE_DIR are valid. Then also LIBXML2_FOUND is set to TRUE.
+# If it is not found and REQUIRED was used, it fails with FATAL_ERROR,
+# independent whether QUIET was used or not.
+# If it is found, the location is reported using the VAR1 argument, so
+# here a message "Found LibXml2: /usr/lib/libxml2.so" will be printed out.
+# If the second argument is DEFAULT_MSG, the message in the failure case will
+# be "Could NOT find LibXml2", if you don't like this message you can specify
+# your own custom failure message there.
+
+MACRO(FIND_PACKAGE_HANDLE_STANDARD_ARGS _NAME _FAIL_MSG _VAR1 )
+
+ IF("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG")
+ IF (${_NAME}_FIND_REQUIRED)
+ SET(_FAIL_MESSAGE "Could not find REQUIRED package ${_NAME}")
+ ELSE (${_NAME}_FIND_REQUIRED)
+ SET(_FAIL_MESSAGE "Could not find OPTIONAL package ${_NAME}")
+ ENDIF (${_NAME}_FIND_REQUIRED)
+ ELSE("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG")
+ SET(_FAIL_MESSAGE "${_FAIL_MSG}")
+ ENDIF("${_FAIL_MSG}" STREQUAL "DEFAULT_MSG")
+
+ STRING(TOUPPER ${_NAME} _NAME_UPPER)
+
+ SET(${_NAME_UPPER}_FOUND TRUE)
+ IF(NOT ${_VAR1})
+ SET(${_NAME_UPPER}_FOUND FALSE)
+ ENDIF(NOT ${_VAR1})
+
+ FOREACH(_CURRENT_VAR ${ARGN})
+ IF(NOT ${_CURRENT_VAR})
+ SET(${_NAME_UPPER}_FOUND FALSE)
+ ENDIF(NOT ${_CURRENT_VAR})
+ ENDFOREACH(_CURRENT_VAR)
+
+ IF (${_NAME_UPPER}_FOUND)
+ IF (NOT ${_NAME}_FIND_QUIETLY)
+ MESSAGE(STATUS "Found ${_NAME}: ${${_VAR1}}")
+ ENDIF (NOT ${_NAME}_FIND_QUIETLY)
+ ELSE (${_NAME_UPPER}_FOUND)
+ IF (${_NAME}_FIND_REQUIRED)
+ MESSAGE(FATAL_ERROR "${_FAIL_MESSAGE}")
+ ELSE (${_NAME}_FIND_REQUIRED)
+ IF (NOT ${_NAME}_FIND_QUIETLY)
+ MESSAGE(STATUS "${_FAIL_MESSAGE}")
+ ENDIF (NOT ${_NAME}_FIND_QUIETLY)
+ ENDIF (${_NAME}_FIND_REQUIRED)
+ ENDIF (${_NAME_UPPER}_FOUND)
+ENDMACRO(FIND_PACKAGE_HANDLE_STANDARD_ARGS)
diff --git a/deps/pcre/cmake/FindReadline.cmake b/deps/pcre/cmake/FindReadline.cmake
new file mode 100644
index 0000000..1d4cc55
--- /dev/null
+++ b/deps/pcre/cmake/FindReadline.cmake
@@ -0,0 +1,29 @@
+# from http://websvn.kde.org/trunk/KDE/kdeedu/cmake/modules/FindReadline.cmake
+# http://websvn.kde.org/trunk/KDE/kdeedu/cmake/modules/COPYING-CMAKE-SCRIPTS
+# --> BSD licensed
+#
+# GNU Readline library finder
+if(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
+ set(READLINE_FOUND TRUE)
+else(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
+ FIND_PATH(READLINE_INCLUDE_DIR readline/readline.h
+ /usr/include/readline
+ )
+
+# 2008-04-22 The next clause used to read like this:
+#
+# FIND_LIBRARY(READLINE_LIBRARY NAMES readline)
+# FIND_LIBRARY(NCURSES_LIBRARY NAMES ncurses )
+# include(FindPackageHandleStandardArgs)
+# FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG NCURSES_LIBRARY READLINE_INCLUDE_DIR READLINE_LIBRARY )
+#
+# I was advised to modify it such that it will find an ncurses library if
+# required, but not if one was explicitly given, that is, it allows the
+# default to be overridden. PH
+
+ FIND_LIBRARY(READLINE_LIBRARY NAMES readline)
+ include(FindPackageHandleStandardArgs)
+ FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG READLINE_INCLUDE_DIR READLINE_LIBRARY )
+
+ MARK_AS_ADVANCED(READLINE_INCLUDE_DIR READLINE_LIBRARY)
+endif(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
diff --git a/deps/pcre/config.h.in b/deps/pcre/config.h.in
new file mode 100644
index 0000000..77d9011
--- /dev/null
+++ b/deps/pcre/config.h.in
@@ -0,0 +1,57 @@
+/* config.h for CMake builds */
+
+#cmakedefine HAVE_DIRENT_H 1
+#cmakedefine HAVE_SYS_STAT_H 1
+#cmakedefine HAVE_SYS_TYPES_H 1
+#cmakedefine HAVE_UNISTD_H 1
+#cmakedefine HAVE_WINDOWS_H 1
+#cmakedefine HAVE_STDINT_H 1
+#cmakedefine HAVE_INTTYPES_H 1
+
+#cmakedefine HAVE_TYPE_TRAITS_H 1
+#cmakedefine HAVE_BITS_TYPE_TRAITS_H 1
+
+#cmakedefine HAVE_BCOPY 1
+#cmakedefine HAVE_MEMMOVE 1
+#cmakedefine HAVE_STRERROR 1
+#cmakedefine HAVE_STRTOLL 1
+#cmakedefine HAVE_STRTOQ 1
+#cmakedefine HAVE__STRTOI64 1
+
+#cmakedefine PCRE_STATIC 1
+
+#cmakedefine SUPPORT_PCRE8 1
+#cmakedefine SUPPORT_PCRE16 1
+#cmakedefine SUPPORT_PCRE32 1
+#cmakedefine SUPPORT_JIT 1
+#cmakedefine SUPPORT_PCREGREP_JIT 1
+#cmakedefine SUPPORT_UTF 1
+#cmakedefine SUPPORT_UCP 1
+#cmakedefine EBCDIC 1
+#cmakedefine EBCDIC_NL25 1
+#cmakedefine BSR_ANYCRLF 1
+#cmakedefine NO_RECURSE 1
+
+#cmakedefine HAVE_LONG_LONG 1
+#cmakedefine HAVE_UNSIGNED_LONG_LONG 1
+
+#cmakedefine SUPPORT_LIBBZ2 1
+#cmakedefine SUPPORT_LIBZ 1
+#cmakedefine SUPPORT_LIBEDIT 1
+#cmakedefine SUPPORT_LIBREADLINE 1
+
+#cmakedefine SUPPORT_VALGRIND 1
+#cmakedefine SUPPORT_GCOV 1
+
+#define NEWLINE @NEWLINE@
+#define POSIX_MALLOC_THRESHOLD @PCRE_POSIX_MALLOC_THRESHOLD@
+#define LINK_SIZE @PCRE_LINK_SIZE@
+#define PARENS_NEST_LIMIT @PCRE_PARENS_NEST_LIMIT@
+#define MATCH_LIMIT @PCRE_MATCH_LIMIT@
+#define MATCH_LIMIT_RECURSION @PCRE_MATCH_LIMIT_RECURSION@
+#define PCREGREP_BUFSIZE @PCREGREP_BUFSIZE@
+
+#define MAX_NAME_SIZE 32
+#define MAX_NAME_COUNT 10000
+
+/* end config.h for CMake builds */
diff --git a/deps/pcre/pcre.h b/deps/pcre/pcre.h
new file mode 100644
index 0000000..15592b9
--- /dev/null
+++ b/deps/pcre/pcre.h
@@ -0,0 +1,641 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* This is the public header file for the PCRE library, to be #included by
+applications that call the PCRE functions.
+
+ Copyright (c) 1997-2014 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+#ifndef _PCRE_H
+#define _PCRE_H
+
+/* The current PCRE version information. */
+
+#define PCRE_MAJOR 8
+#define PCRE_MINOR 42
+#define PCRE_PRERELEASE
+#define PCRE_DATE 2018-03-20
+
+#define PCRE_EXP_DECL extern
+
+/* Have to include stdlib.h in order to ensure that size_t is defined;
+it is needed here for malloc. */
+
+#include <stdlib.h>
+
+/* Allow for C++ users */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Public options. Some are compile-time only, some are run-time only, and some
+are both. Most of the compile-time options are saved with the compiled regex so
+that they can be inspected during studying (and therefore JIT compiling). Note
+that pcre_study() has its own set of options. Originally, all the options
+defined here used distinct bits. However, almost all the bits in a 32-bit word
+are now used, so in order to conserve them, option bits that were previously
+only recognized at matching time (i.e. by pcre_exec() or pcre_dfa_exec()) may
+also be used for compile-time options that affect only compiling and are not
+relevant for studying or JIT compiling.
+
+Some options for pcre_compile() change its behaviour but do not affect the
+behaviour of the execution functions. Other options are passed through to the
+execution functions and affect their behaviour, with or without affecting the
+behaviour of pcre_compile().
+
+Options that can be passed to pcre_compile() are tagged Cx below, with these
+variants:
+
+C1 Affects compile only
+C2 Does not affect compile; affects exec, dfa_exec
+C3 Affects compile, exec, dfa_exec
+C4 Affects compile, exec, dfa_exec, study
+C5 Affects compile, exec, study
+
+Options that can be set for pcre_exec() and/or pcre_dfa_exec() are flagged with
+E and D, respectively. They take precedence over C3, C4, and C5 settings passed
+from pcre_compile(). Those that are compatible with JIT execution are flagged
+with J. */
+
+#define PCRE_CASELESS 0x00000001 /* C1 */
+#define PCRE_MULTILINE 0x00000002 /* C1 */
+#define PCRE_DOTALL 0x00000004 /* C1 */
+#define PCRE_EXTENDED 0x00000008 /* C1 */
+#define PCRE_ANCHORED 0x00000010 /* C4 E D */
+#define PCRE_DOLLAR_ENDONLY 0x00000020 /* C2 */
+#define PCRE_EXTRA 0x00000040 /* C1 */
+#define PCRE_NOTBOL 0x00000080 /* E D J */
+#define PCRE_NOTEOL 0x00000100 /* E D J */
+#define PCRE_UNGREEDY 0x00000200 /* C1 */
+#define PCRE_NOTEMPTY 0x00000400 /* E D J */
+#define PCRE_UTF8 0x00000800 /* C4 ) */
+#define PCRE_UTF16 0x00000800 /* C4 ) Synonyms */
+#define PCRE_UTF32 0x00000800 /* C4 ) */
+#define PCRE_NO_AUTO_CAPTURE 0x00001000 /* C1 */
+#define PCRE_NO_UTF8_CHECK 0x00002000 /* C1 E D J ) */
+#define PCRE_NO_UTF16_CHECK 0x00002000 /* C1 E D J ) Synonyms */
+#define PCRE_NO_UTF32_CHECK 0x00002000 /* C1 E D J ) */
+#define PCRE_AUTO_CALLOUT 0x00004000 /* C1 */
+#define PCRE_PARTIAL_SOFT 0x00008000 /* E D J ) Synonyms */
+#define PCRE_PARTIAL 0x00008000 /* E D J ) */
+
+/* This pair use the same bit. */
+#define PCRE_NEVER_UTF 0x00010000 /* C1 ) Overlaid */
+#define PCRE_DFA_SHORTEST 0x00010000 /* D ) Overlaid */
+
+/* This pair use the same bit. */
+#define PCRE_NO_AUTO_POSSESS 0x00020000 /* C1 ) Overlaid */
+#define PCRE_DFA_RESTART 0x00020000 /* D ) Overlaid */
+
+#define PCRE_FIRSTLINE 0x00040000 /* C3 */
+#define PCRE_DUPNAMES 0x00080000 /* C1 */
+#define PCRE_NEWLINE_CR 0x00100000 /* C3 E D */
+#define PCRE_NEWLINE_LF 0x00200000 /* C3 E D */
+#define PCRE_NEWLINE_CRLF 0x00300000 /* C3 E D */
+#define PCRE_NEWLINE_ANY 0x00400000 /* C3 E D */
+#define PCRE_NEWLINE_ANYCRLF 0x00500000 /* C3 E D */
+#define PCRE_BSR_ANYCRLF 0x00800000 /* C3 E D */
+#define PCRE_BSR_UNICODE 0x01000000 /* C3 E D */
+#define PCRE_JAVASCRIPT_COMPAT 0x02000000 /* C5 */
+#define PCRE_NO_START_OPTIMIZE 0x04000000 /* C2 E D ) Synonyms */
+#define PCRE_NO_START_OPTIMISE 0x04000000 /* C2 E D ) */
+#define PCRE_PARTIAL_HARD 0x08000000 /* E D J */
+#define PCRE_NOTEMPTY_ATSTART 0x10000000 /* E D J */
+#define PCRE_UCP 0x20000000 /* C3 */
+
+/* Exec-time and get/set-time error codes */
+
+#define PCRE_ERROR_NOMATCH (-1)
+#define PCRE_ERROR_NULL (-2)
+#define PCRE_ERROR_BADOPTION (-3)
+#define PCRE_ERROR_BADMAGIC (-4)
+#define PCRE_ERROR_UNKNOWN_OPCODE (-5)
+#define PCRE_ERROR_UNKNOWN_NODE (-5) /* For backward compatibility */
+#define PCRE_ERROR_NOMEMORY (-6)
+#define PCRE_ERROR_NOSUBSTRING (-7)
+#define PCRE_ERROR_MATCHLIMIT (-8)
+#define PCRE_ERROR_CALLOUT (-9) /* Never used by PCRE itself */
+#define PCRE_ERROR_BADUTF8 (-10) /* Same for 8/16/32 */
+#define PCRE_ERROR_BADUTF16 (-10) /* Same for 8/16/32 */
+#define PCRE_ERROR_BADUTF32 (-10) /* Same for 8/16/32 */
+#define PCRE_ERROR_BADUTF8_OFFSET (-11) /* Same for 8/16 */
+#define PCRE_ERROR_BADUTF16_OFFSET (-11) /* Same for 8/16 */
+#define PCRE_ERROR_PARTIAL (-12)
+#define PCRE_ERROR_BADPARTIAL (-13)
+#define PCRE_ERROR_INTERNAL (-14)
+#define PCRE_ERROR_BADCOUNT (-15)
+#define PCRE_ERROR_DFA_UITEM (-16)
+#define PCRE_ERROR_DFA_UCOND (-17)
+#define PCRE_ERROR_DFA_UMLIMIT (-18)
+#define PCRE_ERROR_DFA_WSSIZE (-19)
+#define PCRE_ERROR_DFA_RECURSE (-20)
+#define PCRE_ERROR_RECURSIONLIMIT (-21)
+#define PCRE_ERROR_NULLWSLIMIT (-22) /* No longer actually used */
+#define PCRE_ERROR_BADNEWLINE (-23)
+#define PCRE_ERROR_BADOFFSET (-24)
+#define PCRE_ERROR_SHORTUTF8 (-25)
+#define PCRE_ERROR_SHORTUTF16 (-25) /* Same for 8/16 */
+#define PCRE_ERROR_RECURSELOOP (-26)
+#define PCRE_ERROR_JIT_STACKLIMIT (-27)
+#define PCRE_ERROR_BADMODE (-28)
+#define PCRE_ERROR_BADENDIANNESS (-29)
+#define PCRE_ERROR_DFA_BADRESTART (-30)
+#define PCRE_ERROR_JIT_BADOPTION (-31)
+#define PCRE_ERROR_BADLENGTH (-32)
+#define PCRE_ERROR_UNSET (-33)
+
+/* Specific error codes for UTF-8 validity checks */
+
+#define PCRE_UTF8_ERR0 0
+#define PCRE_UTF8_ERR1 1
+#define PCRE_UTF8_ERR2 2
+#define PCRE_UTF8_ERR3 3
+#define PCRE_UTF8_ERR4 4
+#define PCRE_UTF8_ERR5 5
+#define PCRE_UTF8_ERR6 6
+#define PCRE_UTF8_ERR7 7
+#define PCRE_UTF8_ERR8 8
+#define PCRE_UTF8_ERR9 9
+#define PCRE_UTF8_ERR10 10
+#define PCRE_UTF8_ERR11 11
+#define PCRE_UTF8_ERR12 12
+#define PCRE_UTF8_ERR13 13
+#define PCRE_UTF8_ERR14 14
+#define PCRE_UTF8_ERR15 15
+#define PCRE_UTF8_ERR16 16
+#define PCRE_UTF8_ERR17 17
+#define PCRE_UTF8_ERR18 18
+#define PCRE_UTF8_ERR19 19
+#define PCRE_UTF8_ERR20 20
+#define PCRE_UTF8_ERR21 21
+#define PCRE_UTF8_ERR22 22 /* Unused (was non-character) */
+
+/* Specific error codes for UTF-16 validity checks */
+
+#define PCRE_UTF16_ERR0 0
+#define PCRE_UTF16_ERR1 1
+#define PCRE_UTF16_ERR2 2
+#define PCRE_UTF16_ERR3 3
+#define PCRE_UTF16_ERR4 4 /* Unused (was non-character) */
+
+/* Specific error codes for UTF-32 validity checks */
+
+#define PCRE_UTF32_ERR0 0
+#define PCRE_UTF32_ERR1 1
+#define PCRE_UTF32_ERR2 2 /* Unused (was non-character) */
+#define PCRE_UTF32_ERR3 3
+
+/* Request types for pcre_fullinfo() */
+
+#define PCRE_INFO_OPTIONS 0
+#define PCRE_INFO_SIZE 1
+#define PCRE_INFO_CAPTURECOUNT 2
+#define PCRE_INFO_BACKREFMAX 3
+#define PCRE_INFO_FIRSTBYTE 4
+#define PCRE_INFO_FIRSTCHAR 4 /* For backwards compatibility */
+#define PCRE_INFO_FIRSTTABLE 5
+#define PCRE_INFO_LASTLITERAL 6
+#define PCRE_INFO_NAMEENTRYSIZE 7
+#define PCRE_INFO_NAMECOUNT 8
+#define PCRE_INFO_NAMETABLE 9
+#define PCRE_INFO_STUDYSIZE 10
+#define PCRE_INFO_DEFAULT_TABLES 11
+#define PCRE_INFO_OKPARTIAL 12
+#define PCRE_INFO_JCHANGED 13
+#define PCRE_INFO_HASCRORLF 14
+#define PCRE_INFO_MINLENGTH 15
+#define PCRE_INFO_JIT 16
+#define PCRE_INFO_JITSIZE 17
+#define PCRE_INFO_MAXLOOKBEHIND 18
+#define PCRE_INFO_FIRSTCHARACTER 19
+#define PCRE_INFO_FIRSTCHARACTERFLAGS 20
+#define PCRE_INFO_REQUIREDCHAR 21
+#define PCRE_INFO_REQUIREDCHARFLAGS 22
+#define PCRE_INFO_MATCHLIMIT 23
+#define PCRE_INFO_RECURSIONLIMIT 24
+#define PCRE_INFO_MATCH_EMPTY 25
+
+/* Request types for pcre_config(). Do not re-arrange, in order to remain
+compatible. */
+
+#define PCRE_CONFIG_UTF8 0
+#define PCRE_CONFIG_NEWLINE 1
+#define PCRE_CONFIG_LINK_SIZE 2
+#define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD 3
+#define PCRE_CONFIG_MATCH_LIMIT 4
+#define PCRE_CONFIG_STACKRECURSE 5
+#define PCRE_CONFIG_UNICODE_PROPERTIES 6
+#define PCRE_CONFIG_MATCH_LIMIT_RECURSION 7
+#define PCRE_CONFIG_BSR 8
+#define PCRE_CONFIG_JIT 9
+#define PCRE_CONFIG_UTF16 10
+#define PCRE_CONFIG_JITTARGET 11
+#define PCRE_CONFIG_UTF32 12
+#define PCRE_CONFIG_PARENS_LIMIT 13
+
+/* Request types for pcre_study(). Do not re-arrange, in order to remain
+compatible. */
+
+#define PCRE_STUDY_JIT_COMPILE 0x0001
+#define PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE 0x0002
+#define PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE 0x0004
+#define PCRE_STUDY_EXTRA_NEEDED 0x0008
+
+/* Bit flags for the pcre[16|32]_extra structure. Do not re-arrange or redefine
+these bits, just add new ones on the end, in order to remain compatible. */
+
+#define PCRE_EXTRA_STUDY_DATA 0x0001
+#define PCRE_EXTRA_MATCH_LIMIT 0x0002
+#define PCRE_EXTRA_CALLOUT_DATA 0x0004
+#define PCRE_EXTRA_TABLES 0x0008
+#define PCRE_EXTRA_MATCH_LIMIT_RECURSION 0x0010
+#define PCRE_EXTRA_MARK 0x0020
+#define PCRE_EXTRA_EXECUTABLE_JIT 0x0040
+
+/* Types */
+
+struct real_pcre8_or_16; /* declaration; the definition is private */
+typedef struct real_pcre8_or_16 pcre;
+
+struct real_pcre8_or_16; /* declaration; the definition is private */
+typedef struct real_pcre8_or_16 pcre16;
+
+struct real_pcre32; /* declaration; the definition is private */
+typedef struct real_pcre32 pcre32;
+
+struct real_pcre_jit_stack; /* declaration; the definition is private */
+typedef struct real_pcre_jit_stack pcre_jit_stack;
+
+struct real_pcre16_jit_stack; /* declaration; the definition is private */
+typedef struct real_pcre16_jit_stack pcre16_jit_stack;
+
+struct real_pcre32_jit_stack; /* declaration; the definition is private */
+typedef struct real_pcre32_jit_stack pcre32_jit_stack;
+
+/* If PCRE is compiled with 16 bit character support, PCRE_UCHAR16 must contain
+a 16 bit wide signed data type. Otherwise it can be a dummy data type since
+pcre16 functions are not implemented. There is a check for this in pcre_internal.h. */
+#ifndef PCRE_UCHAR16
+#define PCRE_UCHAR16 unsigned short
+#endif
+
+#ifndef PCRE_SPTR16
+#define PCRE_SPTR16 const PCRE_UCHAR16 *
+#endif
+
+/* If PCRE is compiled with 32 bit character support, PCRE_UCHAR32 must contain
+a 32 bit wide signed data type. Otherwise it can be a dummy data type since
+pcre32 functions are not implemented. There is a check for this in pcre_internal.h. */
+#ifndef PCRE_UCHAR32
+#define PCRE_UCHAR32 unsigned int
+#endif
+
+#ifndef PCRE_SPTR32
+#define PCRE_SPTR32 const PCRE_UCHAR32 *
+#endif
+
+/* When PCRE is compiled as a C++ library, the subject pointer type can be
+replaced with a custom type. For conventional use, the public interface is a
+const char *. */
+
+#ifndef PCRE_SPTR
+#define PCRE_SPTR const char *
+#endif
+
+/* The structure for passing additional data to pcre_exec(). This is defined in
+such as way as to be extensible. Always add new fields at the end, in order to
+remain compatible. */
+
+typedef struct pcre_extra {
+ unsigned long int flags; /* Bits for which fields are set */
+ void *study_data; /* Opaque data from pcre_study() */
+ unsigned long int match_limit; /* Maximum number of calls to match() */
+ void *callout_data; /* Data passed back in callouts */
+ const unsigned char *tables; /* Pointer to character tables */
+ unsigned long int match_limit_recursion; /* Max recursive calls to match() */
+ unsigned char **mark; /* For passing back a mark pointer */
+ void *executable_jit; /* Contains a pointer to a compiled jit code */
+} pcre_extra;
+
+/* Same structure as above, but with 16 bit char pointers. */
+
+typedef struct pcre16_extra {
+ unsigned long int flags; /* Bits for which fields are set */
+ void *study_data; /* Opaque data from pcre_study() */
+ unsigned long int match_limit; /* Maximum number of calls to match() */
+ void *callout_data; /* Data passed back in callouts */
+ const unsigned char *tables; /* Pointer to character tables */
+ unsigned long int match_limit_recursion; /* Max recursive calls to match() */
+ PCRE_UCHAR16 **mark; /* For passing back a mark pointer */
+ void *executable_jit; /* Contains a pointer to a compiled jit code */
+} pcre16_extra;
+
+/* Same structure as above, but with 32 bit char pointers. */
+
+typedef struct pcre32_extra {
+ unsigned long int flags; /* Bits for which fields are set */
+ void *study_data; /* Opaque data from pcre_study() */
+ unsigned long int match_limit; /* Maximum number of calls to match() */
+ void *callout_data; /* Data passed back in callouts */
+ const unsigned char *tables; /* Pointer to character tables */
+ unsigned long int match_limit_recursion; /* Max recursive calls to match() */
+ PCRE_UCHAR32 **mark; /* For passing back a mark pointer */
+ void *executable_jit; /* Contains a pointer to a compiled jit code */
+} pcre32_extra;
+
+/* The structure for passing out data via the pcre_callout_function. We use a
+structure so that new fields can be added on the end in future versions,
+without changing the API of the function, thereby allowing old clients to work
+without modification. */
+
+typedef struct pcre_callout_block {
+ int version; /* Identifies version of block */
+ /* ------------------------ Version 0 ------------------------------- */
+ int callout_number; /* Number compiled into pattern */
+ int *offset_vector; /* The offset vector */
+ PCRE_SPTR subject; /* The subject being matched */
+ int subject_length; /* The length of the subject */
+ int start_match; /* Offset to start of this match attempt */
+ int current_position; /* Where we currently are in the subject */
+ int capture_top; /* Max current capture */
+ int capture_last; /* Most recently closed capture */
+ void *callout_data; /* Data passed in with the call */
+ /* ------------------- Added for Version 1 -------------------------- */
+ int pattern_position; /* Offset to next item in the pattern */
+ int next_item_length; /* Length of next item in the pattern */
+ /* ------------------- Added for Version 2 -------------------------- */
+ const unsigned char *mark; /* Pointer to current mark or NULL */
+ /* ------------------------------------------------------------------ */
+} pcre_callout_block;
+
+/* Same structure as above, but with 16 bit char pointers. */
+
+typedef struct pcre16_callout_block {
+ int version; /* Identifies version of block */
+ /* ------------------------ Version 0 ------------------------------- */
+ int callout_number; /* Number compiled into pattern */
+ int *offset_vector; /* The offset vector */
+ PCRE_SPTR16 subject; /* The subject being matched */
+ int subject_length; /* The length of the subject */
+ int start_match; /* Offset to start of this match attempt */
+ int current_position; /* Where we currently are in the subject */
+ int capture_top; /* Max current capture */
+ int capture_last; /* Most recently closed capture */
+ void *callout_data; /* Data passed in with the call */
+ /* ------------------- Added for Version 1 -------------------------- */
+ int pattern_position; /* Offset to next item in the pattern */
+ int next_item_length; /* Length of next item in the pattern */
+ /* ------------------- Added for Version 2 -------------------------- */
+ const PCRE_UCHAR16 *mark; /* Pointer to current mark or NULL */
+ /* ------------------------------------------------------------------ */
+} pcre16_callout_block;
+
+/* Same structure as above, but with 32 bit char pointers. */
+
+typedef struct pcre32_callout_block {
+ int version; /* Identifies version of block */
+ /* ------------------------ Version 0 ------------------------------- */
+ int callout_number; /* Number compiled into pattern */
+ int *offset_vector; /* The offset vector */
+ PCRE_SPTR32 subject; /* The subject being matched */
+ int subject_length; /* The length of the subject */
+ int start_match; /* Offset to start of this match attempt */
+ int current_position; /* Where we currently are in the subject */
+ int capture_top; /* Max current capture */
+ int capture_last; /* Most recently closed capture */
+ void *callout_data; /* Data passed in with the call */
+ /* ------------------- Added for Version 1 -------------------------- */
+ int pattern_position; /* Offset to next item in the pattern */
+ int next_item_length; /* Length of next item in the pattern */
+ /* ------------------- Added for Version 2 -------------------------- */
+ const PCRE_UCHAR32 *mark; /* Pointer to current mark or NULL */
+ /* ------------------------------------------------------------------ */
+} pcre32_callout_block;
+
+/* Indirection for store get and free functions. These can be set to
+alternative malloc/free functions if required. Special ones are used in the
+non-recursive case for "frames". There is also an optional callout function
+that is triggered by the (?) regex item. For Virtual Pascal, these definitions
+have to take another form. */
+
+#ifndef VPCOMPAT
+PCRE_EXP_DECL void *(*pcre_malloc)(size_t);
+PCRE_EXP_DECL void (*pcre_free)(void *);
+PCRE_EXP_DECL void *(*pcre_stack_malloc)(size_t);
+PCRE_EXP_DECL void (*pcre_stack_free)(void *);
+PCRE_EXP_DECL int (*pcre_callout)(pcre_callout_block *);
+PCRE_EXP_DECL int (*pcre_stack_guard)(void);
+
+PCRE_EXP_DECL void *(*pcre16_malloc)(size_t);
+PCRE_EXP_DECL void (*pcre16_free)(void *);
+PCRE_EXP_DECL void *(*pcre16_stack_malloc)(size_t);
+PCRE_EXP_DECL void (*pcre16_stack_free)(void *);
+PCRE_EXP_DECL int (*pcre16_callout)(pcre16_callout_block *);
+PCRE_EXP_DECL int (*pcre16_stack_guard)(void);
+
+PCRE_EXP_DECL void *(*pcre32_malloc)(size_t);
+PCRE_EXP_DECL void (*pcre32_free)(void *);
+PCRE_EXP_DECL void *(*pcre32_stack_malloc)(size_t);
+PCRE_EXP_DECL void (*pcre32_stack_free)(void *);
+PCRE_EXP_DECL int (*pcre32_callout)(pcre32_callout_block *);
+PCRE_EXP_DECL int (*pcre32_stack_guard)(void);
+#else /* VPCOMPAT */
+PCRE_EXP_DECL void *pcre_malloc(size_t);
+PCRE_EXP_DECL void pcre_free(void *);
+PCRE_EXP_DECL void *pcre_stack_malloc(size_t);
+PCRE_EXP_DECL void pcre_stack_free(void *);
+PCRE_EXP_DECL int pcre_callout(pcre_callout_block *);
+PCRE_EXP_DECL int pcre_stack_guard(void);
+
+PCRE_EXP_DECL void *pcre16_malloc(size_t);
+PCRE_EXP_DECL void pcre16_free(void *);
+PCRE_EXP_DECL void *pcre16_stack_malloc(size_t);
+PCRE_EXP_DECL void pcre16_stack_free(void *);
+PCRE_EXP_DECL int pcre16_callout(pcre16_callout_block *);
+PCRE_EXP_DECL int pcre16_stack_guard(void);
+
+PCRE_EXP_DECL void *pcre32_malloc(size_t);
+PCRE_EXP_DECL void pcre32_free(void *);
+PCRE_EXP_DECL void *pcre32_stack_malloc(size_t);
+PCRE_EXP_DECL void pcre32_stack_free(void *);
+PCRE_EXP_DECL int pcre32_callout(pcre32_callout_block *);
+PCRE_EXP_DECL int pcre32_stack_guard(void);
+#endif /* VPCOMPAT */
+
+/* User defined callback which provides a stack just before the match starts. */
+
+typedef pcre_jit_stack *(*pcre_jit_callback)(void *);
+typedef pcre16_jit_stack *(*pcre16_jit_callback)(void *);
+typedef pcre32_jit_stack *(*pcre32_jit_callback)(void *);
+
+/* Exported PCRE functions */
+
+PCRE_EXP_DECL pcre *pcre_compile(const char *, int, const char **, int *,
+ const unsigned char *);
+PCRE_EXP_DECL pcre16 *pcre16_compile(PCRE_SPTR16, int, const char **, int *,
+ const unsigned char *);
+PCRE_EXP_DECL pcre32 *pcre32_compile(PCRE_SPTR32, int, const char **, int *,
+ const unsigned char *);
+PCRE_EXP_DECL pcre *pcre_compile2(const char *, int, int *, const char **,
+ int *, const unsigned char *);
+PCRE_EXP_DECL pcre16 *pcre16_compile2(PCRE_SPTR16, int, int *, const char **,
+ int *, const unsigned char *);
+PCRE_EXP_DECL pcre32 *pcre32_compile2(PCRE_SPTR32, int, int *, const char **,
+ int *, const unsigned char *);
+PCRE_EXP_DECL int pcre_config(int, void *);
+PCRE_EXP_DECL int pcre16_config(int, void *);
+PCRE_EXP_DECL int pcre32_config(int, void *);
+PCRE_EXP_DECL int pcre_copy_named_substring(const pcre *, const char *,
+ int *, int, const char *, char *, int);
+PCRE_EXP_DECL int pcre16_copy_named_substring(const pcre16 *, PCRE_SPTR16,
+ int *, int, PCRE_SPTR16, PCRE_UCHAR16 *, int);
+PCRE_EXP_DECL int pcre32_copy_named_substring(const pcre32 *, PCRE_SPTR32,
+ int *, int, PCRE_SPTR32, PCRE_UCHAR32 *, int);
+PCRE_EXP_DECL int pcre_copy_substring(const char *, int *, int, int,
+ char *, int);
+PCRE_EXP_DECL int pcre16_copy_substring(PCRE_SPTR16, int *, int, int,
+ PCRE_UCHAR16 *, int);
+PCRE_EXP_DECL int pcre32_copy_substring(PCRE_SPTR32, int *, int, int,
+ PCRE_UCHAR32 *, int);
+PCRE_EXP_DECL int pcre_dfa_exec(const pcre *, const pcre_extra *,
+ const char *, int, int, int, int *, int , int *, int);
+PCRE_EXP_DECL int pcre16_dfa_exec(const pcre16 *, const pcre16_extra *,
+ PCRE_SPTR16, int, int, int, int *, int , int *, int);
+PCRE_EXP_DECL int pcre32_dfa_exec(const pcre32 *, const pcre32_extra *,
+ PCRE_SPTR32, int, int, int, int *, int , int *, int);
+PCRE_EXP_DECL int pcre_exec(const pcre *, const pcre_extra *, PCRE_SPTR,
+ int, int, int, int *, int);
+PCRE_EXP_DECL int pcre16_exec(const pcre16 *, const pcre16_extra *,
+ PCRE_SPTR16, int, int, int, int *, int);
+PCRE_EXP_DECL int pcre32_exec(const pcre32 *, const pcre32_extra *,
+ PCRE_SPTR32, int, int, int, int *, int);
+PCRE_EXP_DECL int pcre_jit_exec(const pcre *, const pcre_extra *,
+ PCRE_SPTR, int, int, int, int *, int,
+ pcre_jit_stack *);
+PCRE_EXP_DECL int pcre16_jit_exec(const pcre16 *, const pcre16_extra *,
+ PCRE_SPTR16, int, int, int, int *, int,
+ pcre16_jit_stack *);
+PCRE_EXP_DECL int pcre32_jit_exec(const pcre32 *, const pcre32_extra *,
+ PCRE_SPTR32, int, int, int, int *, int,
+ pcre32_jit_stack *);
+PCRE_EXP_DECL void pcre_free_substring(const char *);
+PCRE_EXP_DECL void pcre16_free_substring(PCRE_SPTR16);
+PCRE_EXP_DECL void pcre32_free_substring(PCRE_SPTR32);
+PCRE_EXP_DECL void pcre_free_substring_list(const char **);
+PCRE_EXP_DECL void pcre16_free_substring_list(PCRE_SPTR16 *);
+PCRE_EXP_DECL void pcre32_free_substring_list(PCRE_SPTR32 *);
+PCRE_EXP_DECL int pcre_fullinfo(const pcre *, const pcre_extra *, int,
+ void *);
+PCRE_EXP_DECL int pcre16_fullinfo(const pcre16 *, const pcre16_extra *, int,
+ void *);
+PCRE_EXP_DECL int pcre32_fullinfo(const pcre32 *, const pcre32_extra *, int,
+ void *);
+PCRE_EXP_DECL int pcre_get_named_substring(const pcre *, const char *,
+ int *, int, const char *, const char **);
+PCRE_EXP_DECL int pcre16_get_named_substring(const pcre16 *, PCRE_SPTR16,
+ int *, int, PCRE_SPTR16, PCRE_SPTR16 *);
+PCRE_EXP_DECL int pcre32_get_named_substring(const pcre32 *, PCRE_SPTR32,
+ int *, int, PCRE_SPTR32, PCRE_SPTR32 *);
+PCRE_EXP_DECL int pcre_get_stringnumber(const pcre *, const char *);
+PCRE_EXP_DECL int pcre16_get_stringnumber(const pcre16 *, PCRE_SPTR16);
+PCRE_EXP_DECL int pcre32_get_stringnumber(const pcre32 *, PCRE_SPTR32);
+PCRE_EXP_DECL int pcre_get_stringtable_entries(const pcre *, const char *,
+ char **, char **);
+PCRE_EXP_DECL int pcre16_get_stringtable_entries(const pcre16 *, PCRE_SPTR16,
+ PCRE_UCHAR16 **, PCRE_UCHAR16 **);
+PCRE_EXP_DECL int pcre32_get_stringtable_entries(const pcre32 *, PCRE_SPTR32,
+ PCRE_UCHAR32 **, PCRE_UCHAR32 **);
+PCRE_EXP_DECL int pcre_get_substring(const char *, int *, int, int,
+ const char **);
+PCRE_EXP_DECL int pcre16_get_substring(PCRE_SPTR16, int *, int, int,
+ PCRE_SPTR16 *);
+PCRE_EXP_DECL int pcre32_get_substring(PCRE_SPTR32, int *, int, int,
+ PCRE_SPTR32 *);
+PCRE_EXP_DECL int pcre_get_substring_list(const char *, int *, int,
+ const char ***);
+PCRE_EXP_DECL int pcre16_get_substring_list(PCRE_SPTR16, int *, int,
+ PCRE_SPTR16 **);
+PCRE_EXP_DECL int pcre32_get_substring_list(PCRE_SPTR32, int *, int,
+ PCRE_SPTR32 **);
+PCRE_EXP_DECL const unsigned char *pcre_maketables(void);
+PCRE_EXP_DECL const unsigned char *pcre16_maketables(void);
+PCRE_EXP_DECL const unsigned char *pcre32_maketables(void);
+PCRE_EXP_DECL int pcre_refcount(pcre *, int);
+PCRE_EXP_DECL int pcre16_refcount(pcre16 *, int);
+PCRE_EXP_DECL int pcre32_refcount(pcre32 *, int);
+PCRE_EXP_DECL pcre_extra *pcre_study(const pcre *, int, const char **);
+PCRE_EXP_DECL pcre16_extra *pcre16_study(const pcre16 *, int, const char **);
+PCRE_EXP_DECL pcre32_extra *pcre32_study(const pcre32 *, int, const char **);
+PCRE_EXP_DECL void pcre_free_study(pcre_extra *);
+PCRE_EXP_DECL void pcre16_free_study(pcre16_extra *);
+PCRE_EXP_DECL void pcre32_free_study(pcre32_extra *);
+PCRE_EXP_DECL const char *pcre_version(void);
+PCRE_EXP_DECL const char *pcre16_version(void);
+PCRE_EXP_DECL const char *pcre32_version(void);
+
+/* Utility functions for byte order swaps. */
+PCRE_EXP_DECL int pcre_pattern_to_host_byte_order(pcre *, pcre_extra *,
+ const unsigned char *);
+PCRE_EXP_DECL int pcre16_pattern_to_host_byte_order(pcre16 *, pcre16_extra *,
+ const unsigned char *);
+PCRE_EXP_DECL int pcre32_pattern_to_host_byte_order(pcre32 *, pcre32_extra *,
+ const unsigned char *);
+PCRE_EXP_DECL int pcre16_utf16_to_host_byte_order(PCRE_UCHAR16 *,
+ PCRE_SPTR16, int, int *, int);
+PCRE_EXP_DECL int pcre32_utf32_to_host_byte_order(PCRE_UCHAR32 *,
+ PCRE_SPTR32, int, int *, int);
+
+/* JIT compiler related functions. */
+
+PCRE_EXP_DECL pcre_jit_stack *pcre_jit_stack_alloc(int, int);
+PCRE_EXP_DECL pcre16_jit_stack *pcre16_jit_stack_alloc(int, int);
+PCRE_EXP_DECL pcre32_jit_stack *pcre32_jit_stack_alloc(int, int);
+PCRE_EXP_DECL void pcre_jit_stack_free(pcre_jit_stack *);
+PCRE_EXP_DECL void pcre16_jit_stack_free(pcre16_jit_stack *);
+PCRE_EXP_DECL void pcre32_jit_stack_free(pcre32_jit_stack *);
+PCRE_EXP_DECL void pcre_assign_jit_stack(pcre_extra *,
+ pcre_jit_callback, void *);
+PCRE_EXP_DECL void pcre16_assign_jit_stack(pcre16_extra *,
+ pcre16_jit_callback, void *);
+PCRE_EXP_DECL void pcre32_assign_jit_stack(pcre32_extra *,
+ pcre32_jit_callback, void *);
+PCRE_EXP_DECL void pcre_jit_free_unused_memory(void);
+PCRE_EXP_DECL void pcre16_jit_free_unused_memory(void);
+PCRE_EXP_DECL void pcre32_jit_free_unused_memory(void);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* End of pcre.h */
diff --git a/deps/pcre/pcre_byte_order.c b/deps/pcre/pcre_byte_order.c
new file mode 100644
index 0000000..cf5f12b
--- /dev/null
+++ b/deps/pcre/pcre_byte_order.c
@@ -0,0 +1,319 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2014 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains an internal function that tests a compiled pattern to
+see if it was compiled with the opposite endianness. If so, it uses an
+auxiliary local function to flip the appropriate bytes. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Swap byte functions *
+*************************************************/
+
+/* The following functions swap the bytes of a pcre_uint16
+and pcre_uint32 value.
+
+Arguments:
+ value any number
+
+Returns: the byte swapped value
+*/
+
+static pcre_uint32
+swap_uint32(pcre_uint32 value)
+{
+return ((value & 0x000000ff) << 24) |
+ ((value & 0x0000ff00) << 8) |
+ ((value & 0x00ff0000) >> 8) |
+ (value >> 24);
+}
+
+static pcre_uint16
+swap_uint16(pcre_uint16 value)
+{
+return (value >> 8) | (value << 8);
+}
+
+
+/*************************************************
+* Test for a byte-flipped compiled regex *
+*************************************************/
+
+/* This function swaps the bytes of a compiled pattern usually
+loaded form the disk. It also sets the tables pointer, which
+is likely an invalid pointer after reload.
+
+Arguments:
+ argument_re points to the compiled expression
+ extra_data points to extra data or is NULL
+ tables points to the character tables or NULL
+
+Returns: 0 if the swap is successful, negative on error
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL int pcre_pattern_to_host_byte_order(pcre *argument_re,
+ pcre_extra *extra_data, const unsigned char *tables)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL int pcre16_pattern_to_host_byte_order(pcre16 *argument_re,
+ pcre16_extra *extra_data, const unsigned char *tables)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL int pcre32_pattern_to_host_byte_order(pcre32 *argument_re,
+ pcre32_extra *extra_data, const unsigned char *tables)
+#endif
+{
+REAL_PCRE *re = (REAL_PCRE *)argument_re;
+pcre_study_data *study;
+#ifndef COMPILE_PCRE8
+pcre_uchar *ptr;
+int length;
+#if defined SUPPORT_UTF && defined COMPILE_PCRE16
+BOOL utf;
+BOOL utf16_char;
+#endif /* SUPPORT_UTF && COMPILE_PCRE16 */
+#endif /* !COMPILE_PCRE8 */
+
+if (re == NULL) return PCRE_ERROR_NULL;
+if (re->magic_number == MAGIC_NUMBER)
+ {
+ if ((re->flags & PCRE_MODE) == 0) return PCRE_ERROR_BADMODE;
+ re->tables = tables;
+ return 0;
+ }
+
+if (re->magic_number != REVERSED_MAGIC_NUMBER) return PCRE_ERROR_BADMAGIC;
+if ((swap_uint32(re->flags) & PCRE_MODE) == 0) return PCRE_ERROR_BADMODE;
+
+re->magic_number = MAGIC_NUMBER;
+re->size = swap_uint32(re->size);
+re->options = swap_uint32(re->options);
+re->flags = swap_uint32(re->flags);
+re->limit_match = swap_uint32(re->limit_match);
+re->limit_recursion = swap_uint32(re->limit_recursion);
+
+#if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
+re->first_char = swap_uint16(re->first_char);
+re->req_char = swap_uint16(re->req_char);
+#elif defined COMPILE_PCRE32
+re->first_char = swap_uint32(re->first_char);
+re->req_char = swap_uint32(re->req_char);
+#endif
+
+re->max_lookbehind = swap_uint16(re->max_lookbehind);
+re->top_bracket = swap_uint16(re->top_bracket);
+re->top_backref = swap_uint16(re->top_backref);
+re->name_table_offset = swap_uint16(re->name_table_offset);
+re->name_entry_size = swap_uint16(re->name_entry_size);
+re->name_count = swap_uint16(re->name_count);
+re->ref_count = swap_uint16(re->ref_count);
+re->tables = tables;
+
+if (extra_data != NULL && (extra_data->flags & PCRE_EXTRA_STUDY_DATA) != 0)
+ {
+ study = (pcre_study_data *)extra_data->study_data;
+ study->size = swap_uint32(study->size);
+ study->flags = swap_uint32(study->flags);
+ study->minlength = swap_uint32(study->minlength);
+ }
+
+#ifndef COMPILE_PCRE8
+ptr = (pcre_uchar *)re + re->name_table_offset;
+length = re->name_count * re->name_entry_size;
+#if defined SUPPORT_UTF && defined COMPILE_PCRE16
+utf = (re->options & PCRE_UTF16) != 0;
+utf16_char = FALSE;
+#endif /* SUPPORT_UTF && COMPILE_PCRE16 */
+
+while(TRUE)
+ {
+ /* Swap previous characters. */
+ while (length-- > 0)
+ {
+#if defined COMPILE_PCRE16
+ *ptr = swap_uint16(*ptr);
+#elif defined COMPILE_PCRE32
+ *ptr = swap_uint32(*ptr);
+#endif
+ ptr++;
+ }
+#if defined SUPPORT_UTF && defined COMPILE_PCRE16
+ if (utf16_char)
+ {
+ if (HAS_EXTRALEN(ptr[-1]))
+ {
+ /* We know that there is only one extra character in UTF-16. */
+ *ptr = swap_uint16(*ptr);
+ ptr++;
+ }
+ }
+ utf16_char = FALSE;
+#endif /* SUPPORT_UTF */
+
+ /* Get next opcode. */
+ length = 0;
+#if defined COMPILE_PCRE16
+ *ptr = swap_uint16(*ptr);
+#elif defined COMPILE_PCRE32
+ *ptr = swap_uint32(*ptr);
+#endif
+ switch (*ptr)
+ {
+ case OP_END:
+ return 0;
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE16
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_EXACT:
+ case OP_POSSTAR:
+ case OP_POSPLUS:
+ case OP_POSQUERY:
+ case OP_POSUPTO:
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_EXACTI:
+ case OP_POSSTARI:
+ case OP_POSPLUSI:
+ case OP_POSQUERYI:
+ case OP_POSUPTOI:
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTQUERY:
+ case OP_NOTMINQUERY:
+ case OP_NOTUPTO:
+ case OP_NOTMINUPTO:
+ case OP_NOTEXACT:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSUPTO:
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERYI:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTOI:
+ case OP_NOTEXACTI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSUPTOI:
+ if (utf) utf16_char = TRUE;
+#endif
+ /* Fall through. */
+
+ default:
+ length = PRIV(OP_lengths)[*ptr] - 1;
+ break;
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ /* Skip the character bit map. */
+ ptr += 32/sizeof(pcre_uchar);
+ length = 0;
+ break;
+
+ case OP_XCLASS:
+ /* Reverse the size of the XCLASS instance. */
+ ptr++;
+#if defined COMPILE_PCRE16
+ *ptr = swap_uint16(*ptr);
+#elif defined COMPILE_PCRE32
+ *ptr = swap_uint32(*ptr);
+#endif
+#ifndef COMPILE_PCRE32
+ if (LINK_SIZE > 1)
+ {
+ /* LINK_SIZE can be 1 or 2 in 16 bit mode. */
+ ptr++;
+ *ptr = swap_uint16(*ptr);
+ }
+#endif
+ ptr++;
+ length = (GET(ptr, -LINK_SIZE)) - (1 + LINK_SIZE + 1);
+#if defined COMPILE_PCRE16
+ *ptr = swap_uint16(*ptr);
+#elif defined COMPILE_PCRE32
+ *ptr = swap_uint32(*ptr);
+#endif
+ if ((*ptr & XCL_MAP) != 0)
+ {
+ /* Skip the character bit map. */
+ ptr += 32/sizeof(pcre_uchar);
+ length -= 32/sizeof(pcre_uchar);
+ }
+ break;
+ }
+ ptr++;
+ }
+/* Control should never reach here in 16/32 bit mode. */
+#else /* In 8-bit mode, the pattern does not need to be processed. */
+return 0;
+#endif /* !COMPILE_PCRE8 */
+}
+
+/* End of pcre_byte_order.c */
diff --git a/deps/pcre/pcre_chartables.c b/deps/pcre/pcre_chartables.c
new file mode 100644
index 0000000..1e20ec2
--- /dev/null
+++ b/deps/pcre/pcre_chartables.c
@@ -0,0 +1,198 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* This file contains character tables that are used when no external tables
+are passed to PCRE by the application that calls it. The tables are used only
+for characters whose code values are less than 256.
+
+This is a default version of the tables that assumes ASCII encoding. A program
+called dftables (which is distributed with PCRE) can be used to build
+alternative versions of this file. This is necessary if you are running in an
+EBCDIC environment, or if you want to default to a different encoding, for
+example ISO-8859-1. When dftables is run, it creates these tables in the
+current locale. If PCRE is configured with --enable-rebuild-chartables, this
+happens automatically.
+
+The following #includes are present because without them gcc 4.x may remove the
+array definition from the final binary if PCRE is built into a static library
+and dead code stripping is activated. This leads to link errors. Pulling in the
+header ensures that the array gets flagged as "someone outside this compilation
+unit might reference this" and so it will always be supplied to the linker. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+const pcre_uint8 PRIV(default_tables)[] = {
+
+/* This table is a lower casing table. */
+
+ 0, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55,
+ 56, 57, 58, 59, 60, 61, 62, 63,
+ 64, 97, 98, 99,100,101,102,103,
+ 104,105,106,107,108,109,110,111,
+ 112,113,114,115,116,117,118,119,
+ 120,121,122, 91, 92, 93, 94, 95,
+ 96, 97, 98, 99,100,101,102,103,
+ 104,105,106,107,108,109,110,111,
+ 112,113,114,115,116,117,118,119,
+ 120,121,122,123,124,125,126,127,
+ 128,129,130,131,132,133,134,135,
+ 136,137,138,139,140,141,142,143,
+ 144,145,146,147,148,149,150,151,
+ 152,153,154,155,156,157,158,159,
+ 160,161,162,163,164,165,166,167,
+ 168,169,170,171,172,173,174,175,
+ 176,177,178,179,180,181,182,183,
+ 184,185,186,187,188,189,190,191,
+ 192,193,194,195,196,197,198,199,
+ 200,201,202,203,204,205,206,207,
+ 208,209,210,211,212,213,214,215,
+ 216,217,218,219,220,221,222,223,
+ 224,225,226,227,228,229,230,231,
+ 232,233,234,235,236,237,238,239,
+ 240,241,242,243,244,245,246,247,
+ 248,249,250,251,252,253,254,255,
+
+/* This table is a case flipping table. */
+
+ 0, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55,
+ 56, 57, 58, 59, 60, 61, 62, 63,
+ 64, 97, 98, 99,100,101,102,103,
+ 104,105,106,107,108,109,110,111,
+ 112,113,114,115,116,117,118,119,
+ 120,121,122, 91, 92, 93, 94, 95,
+ 96, 65, 66, 67, 68, 69, 70, 71,
+ 72, 73, 74, 75, 76, 77, 78, 79,
+ 80, 81, 82, 83, 84, 85, 86, 87,
+ 88, 89, 90,123,124,125,126,127,
+ 128,129,130,131,132,133,134,135,
+ 136,137,138,139,140,141,142,143,
+ 144,145,146,147,148,149,150,151,
+ 152,153,154,155,156,157,158,159,
+ 160,161,162,163,164,165,166,167,
+ 168,169,170,171,172,173,174,175,
+ 176,177,178,179,180,181,182,183,
+ 184,185,186,187,188,189,190,191,
+ 192,193,194,195,196,197,198,199,
+ 200,201,202,203,204,205,206,207,
+ 208,209,210,211,212,213,214,215,
+ 216,217,218,219,220,221,222,223,
+ 224,225,226,227,228,229,230,231,
+ 232,233,234,235,236,237,238,239,
+ 240,241,242,243,244,245,246,247,
+ 248,249,250,251,252,253,254,255,
+
+/* This table contains bit maps for various character classes. Each map is 32
+bytes long and the bits run from the least significant end of each byte. The
+classes that have their own maps are: space, xdigit, digit, upper, lower, word,
+graph, print, punct, and cntrl. Other classes are built from combinations. */
+
+ 0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
+ 0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
+ 0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
+ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
+ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
+ 0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+ 0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+/* This table identifies various classes of character by individual bits:
+ 0x01 white space character
+ 0x02 letter
+ 0x04 decimal digit
+ 0x08 hexadecimal digit
+ 0x10 alphanumeric or '_'
+ 0x80 regular expression metacharacter or binary zero
+*/
+
+ 0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 0- 7 */
+ 0x00,0x01,0x01,0x01,0x01,0x01,0x00,0x00, /* 8- 15 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 16- 23 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 24- 31 */
+ 0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /* - ' */
+ 0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /* ( - / */
+ 0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /* 0 - 7 */
+ 0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /* 8 - ? */
+ 0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /* @ - G */
+ 0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* H - O */
+ 0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* P - W */
+ 0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /* X - _ */
+ 0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /* ` - g */
+ 0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* h - o */
+ 0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* p - w */
+ 0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /* x -127 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
+
+/* End of pcre_chartables.c */
diff --git a/deps/pcre/pcre_compile.c b/deps/pcre/pcre_compile.c
new file mode 100644
index 0000000..02de494
--- /dev/null
+++ b/deps/pcre/pcre_compile.c
@@ -0,0 +1,9800 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2016 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains the external function pcre_compile(), along with
+supporting internal functions that are not used by other modules. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define NLBLOCK cd /* Block containing newline information */
+#define PSSTART start_pattern /* Field containing pattern start */
+#define PSEND end_pattern /* Field containing pattern end */
+
+#include "pcre_internal.h"
+
+
+/* When PCRE_DEBUG is defined, we need the pcre(16|32)_printint() function, which
+is also used by pcretest. PCRE_DEBUG is not defined when building a production
+library. We do not need to select pcre16_printint.c specially, because the
+COMPILE_PCREx macro will already be appropriately set. */
+
+#ifdef PCRE_DEBUG
+/* pcre_printint.c should not include any headers */
+#define PCRE_INCLUDED
+#include "pcre_printint.c"
+#undef PCRE_INCLUDED
+#endif
+
+
+/* Macro for setting individual bits in class bitmaps. */
+
+#define SETBIT(a,b) a[(b)/8] |= (1 << ((b)&7))
+
+/* Maximum length value to check against when making sure that the integer that
+holds the compiled pattern length does not overflow. We make it a bit less than
+INT_MAX to allow for adding in group terminating bytes, so that we don't have
+to check them every time. */
+
+#define OFLOW_MAX (INT_MAX - 20)
+
+/* Definitions to allow mutual recursion */
+
+static int
+ add_list_to_class(pcre_uint8 *, pcre_uchar **, int, compile_data *,
+ const pcre_uint32 *, unsigned int);
+
+static BOOL
+ compile_regex(int, pcre_uchar **, const pcre_uchar **, int *, BOOL, BOOL, int, int,
+ pcre_uint32 *, pcre_int32 *, pcre_uint32 *, pcre_int32 *, branch_chain *,
+ compile_data *, int *);
+
+
+
+/*************************************************
+* Code parameters and static tables *
+*************************************************/
+
+/* This value specifies the size of stack workspace that is used during the
+first pre-compile phase that determines how much memory is required. The regex
+is partly compiled into this space, but the compiled parts are discarded as
+soon as they can be, so that hopefully there will never be an overrun. The code
+does, however, check for an overrun. The largest amount I've seen used is 218,
+so this number is very generous.
+
+The same workspace is used during the second, actual compile phase for
+remembering forward references to groups so that they can be filled in at the
+end. Each entry in this list occupies LINK_SIZE bytes, so even when LINK_SIZE
+is 4 there is plenty of room for most patterns. However, the memory can get
+filled up by repetitions of forward references, for example patterns like
+/(?1){0,1999}(b)/, and one user did hit the limit. The code has been changed so
+that the workspace is expanded using malloc() in this situation. The value
+below is therefore a minimum, and we put a maximum on it for safety. The
+minimum is now also defined in terms of LINK_SIZE so that the use of malloc()
+kicks in at the same number of forward references in all cases. */
+
+#define COMPILE_WORK_SIZE (2048*LINK_SIZE)
+#define COMPILE_WORK_SIZE_MAX (100*COMPILE_WORK_SIZE)
+
+/* This value determines the size of the initial vector that is used for
+remembering named groups during the pre-compile. It is allocated on the stack,
+but if it is too small, it is expanded using malloc(), in a similar way to the
+workspace. The value is the number of slots in the list. */
+
+#define NAMED_GROUP_LIST_SIZE 20
+
+/* The overrun tests check for a slightly smaller size so that they detect the
+overrun before it actually does run off the end of the data block. */
+
+#define WORK_SIZE_SAFETY_MARGIN (100)
+
+/* Private flags added to firstchar and reqchar. */
+
+#define REQ_CASELESS (1 << 0) /* Indicates caselessness */
+#define REQ_VARY (1 << 1) /* Reqchar followed non-literal item */
+/* Negative values for the firstchar and reqchar flags */
+#define REQ_UNSET (-2)
+#define REQ_NONE (-1)
+
+/* Repeated character flags. */
+
+#define UTF_LENGTH 0x10000000l /* The char contains its length. */
+
+/* Table for handling escaped characters in the range '0'-'z'. Positive returns
+are simple data values; negative values are for special things like \d and so
+on. Zero means further processing is needed (for things like \x), or the escape
+is invalid. */
+
+#ifndef EBCDIC
+
+/* This is the "normal" table for ASCII systems or for EBCDIC systems running
+in UTF-8 mode. */
+
+static const short int escapes[] = {
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ CHAR_COLON, CHAR_SEMICOLON,
+ CHAR_LESS_THAN_SIGN, CHAR_EQUALS_SIGN,
+ CHAR_GREATER_THAN_SIGN, CHAR_QUESTION_MARK,
+ CHAR_COMMERCIAL_AT, -ESC_A,
+ -ESC_B, -ESC_C,
+ -ESC_D, -ESC_E,
+ 0, -ESC_G,
+ -ESC_H, 0,
+ 0, -ESC_K,
+ 0, 0,
+ -ESC_N, 0,
+ -ESC_P, -ESC_Q,
+ -ESC_R, -ESC_S,
+ 0, 0,
+ -ESC_V, -ESC_W,
+ -ESC_X, 0,
+ -ESC_Z, CHAR_LEFT_SQUARE_BRACKET,
+ CHAR_BACKSLASH, CHAR_RIGHT_SQUARE_BRACKET,
+ CHAR_CIRCUMFLEX_ACCENT, CHAR_UNDERSCORE,
+ CHAR_GRAVE_ACCENT, ESC_a,
+ -ESC_b, 0,
+ -ESC_d, ESC_e,
+ ESC_f, 0,
+ -ESC_h, 0,
+ 0, -ESC_k,
+ 0, 0,
+ ESC_n, 0,
+ -ESC_p, 0,
+ ESC_r, -ESC_s,
+ ESC_tee, 0,
+ -ESC_v, -ESC_w,
+ 0, 0,
+ -ESC_z
+};
+
+#else
+
+/* This is the "abnormal" table for EBCDIC systems without UTF-8 support. */
+
+static const short int escapes[] = {
+/* 48 */ 0, 0, 0, '.', '<', '(', '+', '|',
+/* 50 */ '&', 0, 0, 0, 0, 0, 0, 0,
+/* 58 */ 0, 0, '!', '$', '*', ')', ';', '~',
+/* 60 */ '-', '/', 0, 0, 0, 0, 0, 0,
+/* 68 */ 0, 0, '|', ',', '%', '_', '>', '?',
+/* 70 */ 0, 0, 0, 0, 0, 0, 0, 0,
+/* 78 */ 0, '`', ':', '#', '@', '\'', '=', '"',
+/* 80 */ 0, ESC_a, -ESC_b, 0, -ESC_d, ESC_e, ESC_f, 0,
+/* 88 */-ESC_h, 0, 0, '{', 0, 0, 0, 0,
+/* 90 */ 0, 0, -ESC_k, 0, 0, ESC_n, 0, -ESC_p,
+/* 98 */ 0, ESC_r, 0, '}', 0, 0, 0, 0,
+/* A0 */ 0, '~', -ESC_s, ESC_tee, 0,-ESC_v, -ESC_w, 0,
+/* A8 */ 0,-ESC_z, 0, 0, 0, '[', 0, 0,
+/* B0 */ 0, 0, 0, 0, 0, 0, 0, 0,
+/* B8 */ 0, 0, 0, 0, 0, ']', '=', '-',
+/* C0 */ '{',-ESC_A, -ESC_B, -ESC_C, -ESC_D,-ESC_E, 0, -ESC_G,
+/* C8 */-ESC_H, 0, 0, 0, 0, 0, 0, 0,
+/* D0 */ '}', 0, -ESC_K, 0, 0,-ESC_N, 0, -ESC_P,
+/* D8 */-ESC_Q,-ESC_R, 0, 0, 0, 0, 0, 0,
+/* E0 */ '\\', 0, -ESC_S, 0, 0,-ESC_V, -ESC_W, -ESC_X,
+/* E8 */ 0,-ESC_Z, 0, 0, 0, 0, 0, 0,
+/* F0 */ 0, 0, 0, 0, 0, 0, 0, 0,
+/* F8 */ 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* We also need a table of characters that may follow \c in an EBCDIC
+environment for characters 0-31. */
+
+static unsigned char ebcdic_escape_c[] = "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_";
+
+#endif
+
+
+/* Table of special "verbs" like (*PRUNE). This is a short table, so it is
+searched linearly. Put all the names into a single string, in order to reduce
+the number of relocations when a shared library is dynamically linked. The
+string is built from string macros so that it works in UTF-8 mode on EBCDIC
+platforms. */
+
+typedef struct verbitem {
+ int len; /* Length of verb name */
+ int op; /* Op when no arg, or -1 if arg mandatory */
+ int op_arg; /* Op when arg present, or -1 if not allowed */
+} verbitem;
+
+static const char verbnames[] =
+ "\0" /* Empty name is a shorthand for MARK */
+ STRING_MARK0
+ STRING_ACCEPT0
+ STRING_COMMIT0
+ STRING_F0
+ STRING_FAIL0
+ STRING_PRUNE0
+ STRING_SKIP0
+ STRING_THEN;
+
+static const verbitem verbs[] = {
+ { 0, -1, OP_MARK },
+ { 4, -1, OP_MARK },
+ { 6, OP_ACCEPT, -1 },
+ { 6, OP_COMMIT, -1 },
+ { 1, OP_FAIL, -1 },
+ { 4, OP_FAIL, -1 },
+ { 5, OP_PRUNE, OP_PRUNE_ARG },
+ { 4, OP_SKIP, OP_SKIP_ARG },
+ { 4, OP_THEN, OP_THEN_ARG }
+};
+
+static const int verbcount = sizeof(verbs)/sizeof(verbitem);
+
+
+/* Substitutes for [[:<:]] and [[:>:]], which mean start and end of word in
+another regex library. */
+
+static const pcre_uchar sub_start_of_word[] = {
+ CHAR_BACKSLASH, CHAR_b, CHAR_LEFT_PARENTHESIS, CHAR_QUESTION_MARK,
+ CHAR_EQUALS_SIGN, CHAR_BACKSLASH, CHAR_w, CHAR_RIGHT_PARENTHESIS, '\0' };
+
+static const pcre_uchar sub_end_of_word[] = {
+ CHAR_BACKSLASH, CHAR_b, CHAR_LEFT_PARENTHESIS, CHAR_QUESTION_MARK,
+ CHAR_LESS_THAN_SIGN, CHAR_EQUALS_SIGN, CHAR_BACKSLASH, CHAR_w,
+ CHAR_RIGHT_PARENTHESIS, '\0' };
+
+
+/* Tables of names of POSIX character classes and their lengths. The names are
+now all in a single string, to reduce the number of relocations when a shared
+library is dynamically loaded. The list of lengths is terminated by a zero
+length entry. The first three must be alpha, lower, upper, as this is assumed
+for handling case independence. The indices for graph, print, and punct are
+needed, so identify them. */
+
+static const char posix_names[] =
+ STRING_alpha0 STRING_lower0 STRING_upper0 STRING_alnum0
+ STRING_ascii0 STRING_blank0 STRING_cntrl0 STRING_digit0
+ STRING_graph0 STRING_print0 STRING_punct0 STRING_space0
+ STRING_word0 STRING_xdigit;
+
+static const pcre_uint8 posix_name_lengths[] = {
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 6, 0 };
+
+#define PC_GRAPH 8
+#define PC_PRINT 9
+#define PC_PUNCT 10
+
+
+/* Table of class bit maps for each POSIX class. Each class is formed from a
+base map, with an optional addition or removal of another map. Then, for some
+classes, there is some additional tweaking: for [:blank:] the vertical space
+characters are removed, and for [:alpha:] and [:alnum:] the underscore
+character is removed. The triples in the table consist of the base map offset,
+second map offset or -1 if no second map, and a non-negative value for map
+addition or a negative value for map subtraction (if there are two maps). The
+absolute value of the third field has these meanings: 0 => no tweaking, 1 =>
+remove vertical space characters, 2 => remove underscore. */
+
+static const int posix_class_maps[] = {
+ cbit_word, cbit_digit, -2, /* alpha */
+ cbit_lower, -1, 0, /* lower */
+ cbit_upper, -1, 0, /* upper */
+ cbit_word, -1, 2, /* alnum - word without underscore */
+ cbit_print, cbit_cntrl, 0, /* ascii */
+ cbit_space, -1, 1, /* blank - a GNU extension */
+ cbit_cntrl, -1, 0, /* cntrl */
+ cbit_digit, -1, 0, /* digit */
+ cbit_graph, -1, 0, /* graph */
+ cbit_print, -1, 0, /* print */
+ cbit_punct, -1, 0, /* punct */
+ cbit_space, -1, 0, /* space */
+ cbit_word, -1, 0, /* word - a Perl extension */
+ cbit_xdigit,-1, 0 /* xdigit */
+};
+
+/* Table of substitutes for \d etc when PCRE_UCP is set. They are replaced by
+Unicode property escapes. */
+
+#ifdef SUPPORT_UCP
+static const pcre_uchar string_PNd[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_N, CHAR_d, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_pNd[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_N, CHAR_d, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_PXsp[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_s, CHAR_p, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_pXsp[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_s, CHAR_p, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_PXwd[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_w, CHAR_d, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_pXwd[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_w, CHAR_d, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+
+static const pcre_uchar *substitutes[] = {
+ string_PNd, /* \D */
+ string_pNd, /* \d */
+ string_PXsp, /* \S */ /* Xsp is Perl space, but from 8.34, Perl */
+ string_pXsp, /* \s */ /* space and POSIX space are the same. */
+ string_PXwd, /* \W */
+ string_pXwd /* \w */
+};
+
+/* The POSIX class substitutes must be in the order of the POSIX class names,
+defined above, and there are both positive and negative cases. NULL means no
+general substitute of a Unicode property escape (\p or \P). However, for some
+POSIX classes (e.g. graph, print, punct) a special property code is compiled
+directly. */
+
+static const pcre_uchar string_pL[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_L, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_pLl[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_L, CHAR_l, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_pLu[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_L, CHAR_u, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_pXan[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_a, CHAR_n, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_h[] = {
+ CHAR_BACKSLASH, CHAR_h, '\0' };
+static const pcre_uchar string_pXps[] = {
+ CHAR_BACKSLASH, CHAR_p, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_p, CHAR_s, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_PL[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_L, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_PLl[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_L, CHAR_l, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_PLu[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_L, CHAR_u, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_PXan[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_a, CHAR_n, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+static const pcre_uchar string_H[] = {
+ CHAR_BACKSLASH, CHAR_H, '\0' };
+static const pcre_uchar string_PXps[] = {
+ CHAR_BACKSLASH, CHAR_P, CHAR_LEFT_CURLY_BRACKET,
+ CHAR_X, CHAR_p, CHAR_s, CHAR_RIGHT_CURLY_BRACKET, '\0' };
+
+static const pcre_uchar *posix_substitutes[] = {
+ string_pL, /* alpha */
+ string_pLl, /* lower */
+ string_pLu, /* upper */
+ string_pXan, /* alnum */
+ NULL, /* ascii */
+ string_h, /* blank */
+ NULL, /* cntrl */
+ string_pNd, /* digit */
+ NULL, /* graph */
+ NULL, /* print */
+ NULL, /* punct */
+ string_pXps, /* space */ /* Xps is POSIX space, but from 8.34 */
+ string_pXwd, /* word */ /* Perl and POSIX space are the same */
+ NULL, /* xdigit */
+ /* Negated cases */
+ string_PL, /* ^alpha */
+ string_PLl, /* ^lower */
+ string_PLu, /* ^upper */
+ string_PXan, /* ^alnum */
+ NULL, /* ^ascii */
+ string_H, /* ^blank */
+ NULL, /* ^cntrl */
+ string_PNd, /* ^digit */
+ NULL, /* ^graph */
+ NULL, /* ^print */
+ NULL, /* ^punct */
+ string_PXps, /* ^space */ /* Xps is POSIX space, but from 8.34 */
+ string_PXwd, /* ^word */ /* Perl and POSIX space are the same */
+ NULL /* ^xdigit */
+};
+#define POSIX_SUBSIZE (sizeof(posix_substitutes) / sizeof(pcre_uchar *))
+#endif
+
+#define STRING(a) # a
+#define XSTRING(s) STRING(s)
+
+/* The texts of compile-time error messages. These are "char *" because they
+are passed to the outside world. Do not ever re-use any error number, because
+they are documented. Always add a new error instead. Messages marked DEAD below
+are no longer used. This used to be a table of strings, but in order to reduce
+the number of relocations needed when a shared library is loaded dynamically,
+it is now one long string. We cannot use a table of offsets, because the
+lengths of inserts such as XSTRING(MAX_NAME_SIZE) are not known. Instead, we
+simply count through to the one we want - this isn't a performance issue
+because these strings are used only when there is a compilation error.
+
+Each substring ends with \0 to insert a null character. This includes the final
+substring, so that the whole string ends with \0\0, which can be detected when
+counting through. */
+
+static const char error_texts[] =
+ "no error\0"
+ "\\ at end of pattern\0"
+ "\\c at end of pattern\0"
+ "unrecognized character follows \\\0"
+ "numbers out of order in {} quantifier\0"
+ /* 5 */
+ "number too big in {} quantifier\0"
+ "missing terminating ] for character class\0"
+ "invalid escape sequence in character class\0"
+ "range out of order in character class\0"
+ "nothing to repeat\0"
+ /* 10 */
+ "internal error: invalid forward reference offset\0"
+ "internal error: unexpected repeat\0"
+ "unrecognized character after (? or (?-\0"
+ "POSIX named classes are supported only within a class\0"
+ "missing )\0"
+ /* 15 */
+ "reference to non-existent subpattern\0"
+ "erroffset passed as NULL\0"
+ "unknown option bit(s) set\0"
+ "missing ) after comment\0"
+ "parentheses nested too deeply\0" /** DEAD **/
+ /* 20 */
+ "regular expression is too large\0"
+ "failed to get memory\0"
+ "unmatched parentheses\0"
+ "internal error: code overflow\0"
+ "unrecognized character after (?<\0"
+ /* 25 */
+ "lookbehind assertion is not fixed length\0"
+ "malformed number or name after (?(\0"
+ "conditional group contains more than two branches\0"
+ "assertion expected after (?( or (?(?C)\0"
+ "(?R or (?[+-]digits must be followed by )\0"
+ /* 30 */
+ "unknown POSIX class name\0"
+ "POSIX collating elements are not supported\0"
+ "this version of PCRE is compiled without UTF support\0"
+ "spare error\0" /** DEAD **/
+ "character value in \\x{} or \\o{} is too large\0"
+ /* 35 */
+ "invalid condition (?(0)\0"
+ "\\C not allowed in lookbehind assertion\0"
+ "PCRE does not support \\L, \\l, \\N{name}, \\U, or \\u\0"
+ "number after (?C is > 255\0"
+ "closing ) for (?C expected\0"
+ /* 40 */
+ "recursive call could loop indefinitely\0"
+ "unrecognized character after (?P\0"
+ "syntax error in subpattern name (missing terminator)\0"
+ "two named subpatterns have the same name\0"
+ "invalid UTF-8 string\0"
+ /* 45 */
+ "support for \\P, \\p, and \\X has not been compiled\0"
+ "malformed \\P or \\p sequence\0"
+ "unknown property name after \\P or \\p\0"
+ "subpattern name is too long (maximum " XSTRING(MAX_NAME_SIZE) " characters)\0"
+ "too many named subpatterns (maximum " XSTRING(MAX_NAME_COUNT) ")\0"
+ /* 50 */
+ "repeated subpattern is too long\0" /** DEAD **/
+ "octal value is greater than \\377 in 8-bit non-UTF-8 mode\0"
+ "internal error: overran compiling workspace\0"
+ "internal error: previously-checked referenced subpattern not found\0"
+ "DEFINE group contains more than one branch\0"
+ /* 55 */
+ "repeating a DEFINE group is not allowed\0" /** DEAD **/
+ "inconsistent NEWLINE options\0"
+ "\\g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number\0"
+ "a numbered reference must not be zero\0"
+ "an argument is not allowed for (*ACCEPT), (*FAIL), or (*COMMIT)\0"
+ /* 60 */
+ "(*VERB) not recognized or malformed\0"
+ "number is too big\0"
+ "subpattern name expected\0"
+ "digit expected after (?+\0"
+ "] is an invalid data character in JavaScript compatibility mode\0"
+ /* 65 */
+ "different names for subpatterns of the same number are not allowed\0"
+ "(*MARK) must have an argument\0"
+ "this version of PCRE is not compiled with Unicode property support\0"
+#ifndef EBCDIC
+ "\\c must be followed by an ASCII character\0"
+#else
+ "\\c must be followed by a letter or one of [\\]^_?\0"
+#endif
+ "\\k is not followed by a braced, angle-bracketed, or quoted name\0"
+ /* 70 */
+ "internal error: unknown opcode in find_fixedlength()\0"
+ "\\N is not supported in a class\0"
+ "too many forward references\0"
+ "disallowed Unicode code point (>= 0xd800 && <= 0xdfff)\0"
+ "invalid UTF-16 string\0"
+ /* 75 */
+ "name is too long in (*MARK), (*PRUNE), (*SKIP), or (*THEN)\0"
+ "character value in \\u.... sequence is too large\0"
+ "invalid UTF-32 string\0"
+ "setting UTF is disabled by the application\0"
+ "non-hex character in \\x{} (closing brace missing?)\0"
+ /* 80 */
+ "non-octal character in \\o{} (closing brace missing?)\0"
+ "missing opening brace after \\o\0"
+ "parentheses are too deeply nested\0"
+ "invalid range in character class\0"
+ "group name must start with a non-digit\0"
+ /* 85 */
+ "parentheses are too deeply nested (stack check)\0"
+ "digits missing in \\x{} or \\o{}\0"
+ "regular expression is too complicated\0"
+ ;
+
+/* Table to identify digits and hex digits. This is used when compiling
+patterns. Note that the tables in chartables are dependent on the locale, and
+may mark arbitrary characters as digits - but the PCRE compiling code expects
+to handle only 0-9, a-z, and A-Z as digits when compiling. That is why we have
+a private table here. It costs 256 bytes, but it is a lot faster than doing
+character value tests (at least in some simple cases I timed), and in some
+applications one wants PCRE to compile efficiently as well as match
+efficiently.
+
+For convenience, we use the same bit definitions as in chartables:
+
+ 0x04 decimal digit
+ 0x08 hexadecimal digit
+
+Then we can use ctype_digit and ctype_xdigit in the code. */
+
+/* Using a simple comparison for decimal numbers rather than a memory read
+is much faster, and the resulting code is simpler (the compiler turns it
+into a subtraction and unsigned comparison). */
+
+#define IS_DIGIT(x) ((x) >= CHAR_0 && (x) <= CHAR_9)
+
+#ifndef EBCDIC
+
+/* This is the "normal" case, for ASCII systems, and EBCDIC systems running in
+UTF-8 mode. */
+
+static const pcre_uint8 digitab[] =
+ {
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 0- 7 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 8- 15 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 16- 23 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 24- 31 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* - ' */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* ( - / */
+ 0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c, /* 0 - 7 */
+ 0x0c,0x0c,0x00,0x00,0x00,0x00,0x00,0x00, /* 8 - ? */
+ 0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x00, /* @ - G */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* H - O */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* P - W */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* X - _ */
+ 0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x00, /* ` - g */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* h - o */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* p - w */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* x -127 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
+
+#else
+
+/* This is the "abnormal" case, for EBCDIC systems not running in UTF-8 mode. */
+
+static const pcre_uint8 digitab[] =
+ {
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 0- 7 0 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 8- 15 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 16- 23 10 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 24- 31 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 32- 39 20 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 40- 47 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 48- 55 30 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 56- 63 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* - 71 40 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 72- | */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* & - 87 50 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 88- 95 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* - -103 60 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 104- ? */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 112-119 70 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 120- " */
+ 0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x00, /* 128- g 80 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* h -143 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144- p 90 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* q -159 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160- x A0 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* y -175 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* ^ -183 B0 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
+ 0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x00, /* { - G C0 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* H -207 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* } - P D0 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* Q -223 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* \ - X E0 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* Y -239 */
+ 0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c, /* 0 - 7 F0 */
+ 0x0c,0x0c,0x00,0x00,0x00,0x00,0x00,0x00};/* 8 -255 */
+
+static const pcre_uint8 ebcdic_chartab[] = { /* chartable partial dup */
+ 0x80,0x00,0x00,0x00,0x00,0x01,0x00,0x00, /* 0- 7 */
+ 0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x00, /* 8- 15 */
+ 0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00, /* 16- 23 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 24- 31 */
+ 0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00, /* 32- 39 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 40- 47 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 48- 55 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 56- 63 */
+ 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* - 71 */
+ 0x00,0x00,0x00,0x80,0x00,0x80,0x80,0x80, /* 72- | */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* & - 87 */
+ 0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00, /* 88- 95 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* - -103 */
+ 0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x80, /* 104- ? */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 112-119 */
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 120- " */
+ 0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /* 128- g */
+ 0x12,0x12,0x00,0x00,0x00,0x00,0x00,0x00, /* h -143 */
+ 0x00,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* 144- p */
+ 0x12,0x12,0x00,0x00,0x00,0x00,0x00,0x00, /* q -159 */
+ 0x00,0x00,0x12,0x12,0x12,0x12,0x12,0x12, /* 160- x */
+ 0x12,0x12,0x00,0x00,0x00,0x00,0x00,0x00, /* y -175 */
+ 0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* ^ -183 */
+ 0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
+ 0x80,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /* { - G */
+ 0x12,0x12,0x00,0x00,0x00,0x00,0x00,0x00, /* H -207 */
+ 0x00,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* } - P */
+ 0x12,0x12,0x00,0x00,0x00,0x00,0x00,0x00, /* Q -223 */
+ 0x00,0x00,0x12,0x12,0x12,0x12,0x12,0x12, /* \ - X */
+ 0x12,0x12,0x00,0x00,0x00,0x00,0x00,0x00, /* Y -239 */
+ 0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /* 0 - 7 */
+ 0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x00};/* 8 -255 */
+#endif
+
+
+/* This table is used to check whether auto-possessification is possible
+between adjacent character-type opcodes. The left-hand (repeated) opcode is
+used to select the row, and the right-hand opcode is use to select the column.
+A value of 1 means that auto-possessification is OK. For example, the second
+value in the first row means that \D+\d can be turned into \D++\d.
+
+The Unicode property types (\P and \p) have to be present to fill out the table
+because of what their opcode values are, but the table values should always be
+zero because property types are handled separately in the code. The last four
+columns apply to items that cannot be repeated, so there is no need to have
+rows for them. Note that OP_DIGIT etc. are generated only when PCRE_UCP is
+*not* set. When it is set, \d etc. are converted into OP_(NOT_)PROP codes. */
+
+#define APTROWS (LAST_AUTOTAB_LEFT_OP - FIRST_AUTOTAB_OP + 1)
+#define APTCOLS (LAST_AUTOTAB_RIGHT_OP - FIRST_AUTOTAB_OP + 1)
+
+static const pcre_uint8 autoposstab[APTROWS][APTCOLS] = {
+/* \D \d \S \s \W \w . .+ \C \P \p \R \H \h \V \v \X \Z \z $ $M */
+ { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, /* \D */
+ { 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1 }, /* \d */
+ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1 }, /* \S */
+ { 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, /* \s */
+ { 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, /* \W */
+ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1 }, /* \w */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, /* . */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, /* .+ */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, /* \C */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* \P */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* \p */
+ { 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0 }, /* \R */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0 }, /* \H */
+ { 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0 }, /* \h */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0 }, /* \V */
+ { 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0 }, /* \v */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 } /* \X */
+};
+
+
+/* This table is used to check whether auto-possessification is possible
+between adjacent Unicode property opcodes (OP_PROP and OP_NOTPROP). The
+left-hand (repeated) opcode is used to select the row, and the right-hand
+opcode is used to select the column. The values are as follows:
+
+ 0 Always return FALSE (never auto-possessify)
+ 1 Character groups are distinct (possessify if both are OP_PROP)
+ 2 Check character categories in the same group (general or particular)
+ 3 TRUE if the two opcodes are not the same (PROP vs NOTPROP)
+
+ 4 Check left general category vs right particular category
+ 5 Check right general category vs left particular category
+
+ 6 Left alphanum vs right general category
+ 7 Left space vs right general category
+ 8 Left word vs right general category
+
+ 9 Right alphanum vs left general category
+ 10 Right space vs left general category
+ 11 Right word vs left general category
+
+ 12 Left alphanum vs right particular category
+ 13 Left space vs right particular category
+ 14 Left word vs right particular category
+
+ 15 Right alphanum vs left particular category
+ 16 Right space vs left particular category
+ 17 Right word vs left particular category
+*/
+
+static const pcre_uint8 propposstab[PT_TABSIZE][PT_TABSIZE] = {
+/* ANY LAMP GC PC SC ALNUM SPACE PXSPACE WORD CLIST UCNC */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* PT_ANY */
+ { 0, 3, 0, 0, 0, 3, 1, 1, 0, 0, 0 }, /* PT_LAMP */
+ { 0, 0, 2, 4, 0, 9, 10, 10, 11, 0, 0 }, /* PT_GC */
+ { 0, 0, 5, 2, 0, 15, 16, 16, 17, 0, 0 }, /* PT_PC */
+ { 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 }, /* PT_SC */
+ { 0, 3, 6, 12, 0, 3, 1, 1, 0, 0, 0 }, /* PT_ALNUM */
+ { 0, 1, 7, 13, 0, 1, 3, 3, 1, 0, 0 }, /* PT_SPACE */
+ { 0, 1, 7, 13, 0, 1, 3, 3, 1, 0, 0 }, /* PT_PXSPACE */
+ { 0, 0, 8, 14, 0, 0, 1, 1, 3, 0, 0 }, /* PT_WORD */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* PT_CLIST */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3 } /* PT_UCNC */
+};
+
+/* This table is used to check whether auto-possessification is possible
+between adjacent Unicode property opcodes (OP_PROP and OP_NOTPROP) when one
+specifies a general category and the other specifies a particular category. The
+row is selected by the general category and the column by the particular
+category. The value is 1 if the particular category is not part of the general
+category. */
+
+static const pcre_uint8 catposstab[7][30] = {
+/* Cc Cf Cn Co Cs Ll Lm Lo Lt Lu Mc Me Mn Nd Nl No Pc Pd Pe Pf Pi Po Ps Sc Sk Sm So Zl Zp Zs */
+ { 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, /* C */
+ { 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, /* L */
+ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, /* M */
+ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, /* N */
+ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1 }, /* P */
+ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1 }, /* S */
+ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 } /* Z */
+};
+
+/* This table is used when checking ALNUM, (PX)SPACE, SPACE, and WORD against
+a general or particular category. The properties in each row are those
+that apply to the character set in question. Duplication means that a little
+unnecessary work is done when checking, but this keeps things much simpler
+because they can all use the same code. For more details see the comment where
+this table is used.
+
+Note: SPACE and PXSPACE used to be different because Perl excluded VT from
+"space", but from Perl 5.18 it's included, so both categories are treated the
+same here. */
+
+static const pcre_uint8 posspropstab[3][4] = {
+ { ucp_L, ucp_N, ucp_N, ucp_Nl }, /* ALNUM, 3rd and 4th values redundant */
+ { ucp_Z, ucp_Z, ucp_C, ucp_Cc }, /* SPACE and PXSPACE, 2nd value redundant */
+ { ucp_L, ucp_N, ucp_P, ucp_Po } /* WORD */
+};
+
+/* This table is used when converting repeating opcodes into possessified
+versions as a result of an explicit possessive quantifier such as ++. A zero
+value means there is no possessified version - in those cases the item in
+question must be wrapped in ONCE brackets. The table is truncated at OP_CALLOUT
+because all relevant opcodes are less than that. */
+
+static const pcre_uint8 opcode_possessify[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0 - 15 */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 16 - 31 */
+
+ 0, /* NOTI */
+ OP_POSSTAR, 0, /* STAR, MINSTAR */
+ OP_POSPLUS, 0, /* PLUS, MINPLUS */
+ OP_POSQUERY, 0, /* QUERY, MINQUERY */
+ OP_POSUPTO, 0, /* UPTO, MINUPTO */
+ 0, /* EXACT */
+ 0, 0, 0, 0, /* POS{STAR,PLUS,QUERY,UPTO} */
+
+ OP_POSSTARI, 0, /* STARI, MINSTARI */
+ OP_POSPLUSI, 0, /* PLUSI, MINPLUSI */
+ OP_POSQUERYI, 0, /* QUERYI, MINQUERYI */
+ OP_POSUPTOI, 0, /* UPTOI, MINUPTOI */
+ 0, /* EXACTI */
+ 0, 0, 0, 0, /* POS{STARI,PLUSI,QUERYI,UPTOI} */
+
+ OP_NOTPOSSTAR, 0, /* NOTSTAR, NOTMINSTAR */
+ OP_NOTPOSPLUS, 0, /* NOTPLUS, NOTMINPLUS */
+ OP_NOTPOSQUERY, 0, /* NOTQUERY, NOTMINQUERY */
+ OP_NOTPOSUPTO, 0, /* NOTUPTO, NOTMINUPTO */
+ 0, /* NOTEXACT */
+ 0, 0, 0, 0, /* NOTPOS{STAR,PLUS,QUERY,UPTO} */
+
+ OP_NOTPOSSTARI, 0, /* NOTSTARI, NOTMINSTARI */
+ OP_NOTPOSPLUSI, 0, /* NOTPLUSI, NOTMINPLUSI */
+ OP_NOTPOSQUERYI, 0, /* NOTQUERYI, NOTMINQUERYI */
+ OP_NOTPOSUPTOI, 0, /* NOTUPTOI, NOTMINUPTOI */
+ 0, /* NOTEXACTI */
+ 0, 0, 0, 0, /* NOTPOS{STARI,PLUSI,QUERYI,UPTOI} */
+
+ OP_TYPEPOSSTAR, 0, /* TYPESTAR, TYPEMINSTAR */
+ OP_TYPEPOSPLUS, 0, /* TYPEPLUS, TYPEMINPLUS */
+ OP_TYPEPOSQUERY, 0, /* TYPEQUERY, TYPEMINQUERY */
+ OP_TYPEPOSUPTO, 0, /* TYPEUPTO, TYPEMINUPTO */
+ 0, /* TYPEEXACT */
+ 0, 0, 0, 0, /* TYPEPOS{STAR,PLUS,QUERY,UPTO} */
+
+ OP_CRPOSSTAR, 0, /* CRSTAR, CRMINSTAR */
+ OP_CRPOSPLUS, 0, /* CRPLUS, CRMINPLUS */
+ OP_CRPOSQUERY, 0, /* CRQUERY, CRMINQUERY */
+ OP_CRPOSRANGE, 0, /* CRRANGE, CRMINRANGE */
+ 0, 0, 0, 0, /* CRPOS{STAR,PLUS,QUERY,RANGE} */
+
+ 0, 0, 0, /* CLASS, NCLASS, XCLASS */
+ 0, 0, /* REF, REFI */
+ 0, 0, /* DNREF, DNREFI */
+ 0, 0 /* RECURSE, CALLOUT */
+};
+
+
+
+/*************************************************
+* Find an error text *
+*************************************************/
+
+/* The error texts are now all in one long string, to save on relocations. As
+some of the text is of unknown length, we can't use a table of offsets.
+Instead, just count through the strings. This is not a performance issue
+because it happens only when there has been a compilation error.
+
+Argument: the error number
+Returns: pointer to the error string
+*/
+
+static const char *
+find_error_text(int n)
+{
+const char *s = error_texts;
+for (; n > 0; n--)
+ {
+ while (*s++ != CHAR_NULL) {};
+ if (*s == CHAR_NULL) return "Error text not found (please report)";
+ }
+return s;
+}
+
+
+
+/*************************************************
+* Expand the workspace *
+*************************************************/
+
+/* This function is called during the second compiling phase, if the number of
+forward references fills the existing workspace, which is originally a block on
+the stack. A larger block is obtained from malloc() unless the ultimate limit
+has been reached or the increase will be rather small.
+
+Argument: pointer to the compile data block
+Returns: 0 if all went well, else an error number
+*/
+
+static int
+expand_workspace(compile_data *cd)
+{
+pcre_uchar *newspace;
+int newsize = cd->workspace_size * 2;
+
+if (newsize > COMPILE_WORK_SIZE_MAX) newsize = COMPILE_WORK_SIZE_MAX;
+if (cd->workspace_size >= COMPILE_WORK_SIZE_MAX ||
+ newsize - cd->workspace_size < WORK_SIZE_SAFETY_MARGIN)
+ return ERR72;
+
+newspace = (PUBL(malloc))(IN_UCHARS(newsize));
+if (newspace == NULL) return ERR21;
+memcpy(newspace, cd->start_workspace, cd->workspace_size * sizeof(pcre_uchar));
+cd->hwm = (pcre_uchar *)newspace + (cd->hwm - cd->start_workspace);
+if (cd->workspace_size > COMPILE_WORK_SIZE)
+ (PUBL(free))((void *)cd->start_workspace);
+cd->start_workspace = newspace;
+cd->workspace_size = newsize;
+return 0;
+}
+
+
+
+/*************************************************
+* Check for counted repeat *
+*************************************************/
+
+/* This function is called when a '{' is encountered in a place where it might
+start a quantifier. It looks ahead to see if it really is a quantifier or not.
+It is only a quantifier if it is one of the forms {ddd} {ddd,} or {ddd,ddd}
+where the ddds are digits.
+
+Arguments:
+ p pointer to the first char after '{'
+
+Returns: TRUE or FALSE
+*/
+
+static BOOL
+is_counted_repeat(const pcre_uchar *p)
+{
+if (!IS_DIGIT(*p)) return FALSE;
+p++;
+while (IS_DIGIT(*p)) p++;
+if (*p == CHAR_RIGHT_CURLY_BRACKET) return TRUE;
+
+if (*p++ != CHAR_COMMA) return FALSE;
+if (*p == CHAR_RIGHT_CURLY_BRACKET) return TRUE;
+
+if (!IS_DIGIT(*p)) return FALSE;
+p++;
+while (IS_DIGIT(*p)) p++;
+
+return (*p == CHAR_RIGHT_CURLY_BRACKET);
+}
+
+
+
+/*************************************************
+* Handle escapes *
+*************************************************/
+
+/* This function is called when a \ has been encountered. It either returns a
+positive value for a simple escape such as \n, or 0 for a data character which
+will be placed in chptr. A backreference to group n is returned as negative n.
+When UTF-8 is enabled, a positive value greater than 255 may be returned in
+chptr. On entry, ptr is pointing at the \. On exit, it is on the final
+character of the escape sequence.
+
+Arguments:
+ ptrptr points to the pattern position pointer
+ chptr points to a returned data character
+ errorcodeptr points to the errorcode variable
+ bracount number of previous extracting brackets
+ options the options bits
+ isclass TRUE if inside a character class
+
+Returns: zero => a data character
+ positive => a special escape sequence
+ negative => a back reference
+ on error, errorcodeptr is set
+*/
+
+static int
+check_escape(const pcre_uchar **ptrptr, pcre_uint32 *chptr, int *errorcodeptr,
+ int bracount, int options, BOOL isclass)
+{
+/* PCRE_UTF16 has the same value as PCRE_UTF8. */
+BOOL utf = (options & PCRE_UTF8) != 0;
+const pcre_uchar *ptr = *ptrptr + 1;
+pcre_uint32 c;
+int escape = 0;
+int i;
+
+GETCHARINCTEST(c, ptr); /* Get character value, increment pointer */
+ptr--; /* Set pointer back to the last byte */
+
+/* If backslash is at the end of the pattern, it's an error. */
+
+if (c == CHAR_NULL) *errorcodeptr = ERR1;
+
+/* Non-alphanumerics are literals. For digits or letters, do an initial lookup
+in a table. A non-zero result is something that can be returned immediately.
+Otherwise further processing may be required. */
+
+#ifndef EBCDIC /* ASCII/UTF-8 coding */
+/* Not alphanumeric */
+else if (c < CHAR_0 || c > CHAR_z) {}
+else if ((i = escapes[c - CHAR_0]) != 0)
+ { if (i > 0) c = (pcre_uint32)i; else escape = -i; }
+
+#else /* EBCDIC coding */
+/* Not alphanumeric */
+else if (c < CHAR_a || (!MAX_255(c) || (ebcdic_chartab[c] & 0x0E) == 0)) {}
+else if ((i = escapes[c - 0x48]) != 0) { if (i > 0) c = (pcre_uint32)i; else escape = -i; }
+#endif
+
+/* Escapes that need further processing, or are illegal. */
+
+else
+ {
+ const pcre_uchar *oldptr;
+ BOOL braced, negated, overflow;
+ int s;
+
+ switch (c)
+ {
+ /* A number of Perl escapes are not handled by PCRE. We give an explicit
+ error. */
+
+ case CHAR_l:
+ case CHAR_L:
+ *errorcodeptr = ERR37;
+ break;
+
+ case CHAR_u:
+ if ((options & PCRE_JAVASCRIPT_COMPAT) != 0)
+ {
+ /* In JavaScript, \u must be followed by four hexadecimal numbers.
+ Otherwise it is a lowercase u letter. */
+ if (MAX_255(ptr[1]) && (digitab[ptr[1]] & ctype_xdigit) != 0
+ && MAX_255(ptr[2]) && (digitab[ptr[2]] & ctype_xdigit) != 0
+ && MAX_255(ptr[3]) && (digitab[ptr[3]] & ctype_xdigit) != 0
+ && MAX_255(ptr[4]) && (digitab[ptr[4]] & ctype_xdigit) != 0)
+ {
+ c = 0;
+ for (i = 0; i < 4; ++i)
+ {
+ register pcre_uint32 cc = *(++ptr);
+#ifndef EBCDIC /* ASCII/UTF-8 coding */
+ if (cc >= CHAR_a) cc -= 32; /* Convert to upper case */
+ c = (c << 4) + cc - ((cc < CHAR_A)? CHAR_0 : (CHAR_A - 10));
+#else /* EBCDIC coding */
+ if (cc >= CHAR_a && cc <= CHAR_z) cc += 64; /* Convert to upper case */
+ c = (c << 4) + cc - ((cc >= CHAR_0)? CHAR_0 : (CHAR_A - 10));
+#endif
+ }
+
+#if defined COMPILE_PCRE8
+ if (c > (utf ? 0x10ffffU : 0xffU))
+#elif defined COMPILE_PCRE16
+ if (c > (utf ? 0x10ffffU : 0xffffU))
+#elif defined COMPILE_PCRE32
+ if (utf && c > 0x10ffffU)
+#endif
+ {
+ *errorcodeptr = ERR76;
+ }
+ else if (utf && c >= 0xd800 && c <= 0xdfff) *errorcodeptr = ERR73;
+ }
+ }
+ else
+ *errorcodeptr = ERR37;
+ break;
+
+ case CHAR_U:
+ /* In JavaScript, \U is an uppercase U letter. */
+ if ((options & PCRE_JAVASCRIPT_COMPAT) == 0) *errorcodeptr = ERR37;
+ break;
+
+ /* In a character class, \g is just a literal "g". Outside a character
+ class, \g must be followed by one of a number of specific things:
+
+ (1) A number, either plain or braced. If positive, it is an absolute
+ backreference. If negative, it is a relative backreference. This is a Perl
+ 5.10 feature.
+
+ (2) Perl 5.10 also supports \g{name} as a reference to a named group. This
+ is part of Perl's movement towards a unified syntax for back references. As
+ this is synonymous with \k{name}, we fudge it up by pretending it really
+ was \k.
+
+ (3) For Oniguruma compatibility we also support \g followed by a name or a
+ number either in angle brackets or in single quotes. However, these are
+ (possibly recursive) subroutine calls, _not_ backreferences. Just return
+ the ESC_g code (cf \k). */
+
+ case CHAR_g:
+ if (isclass) break;
+ if (ptr[1] == CHAR_LESS_THAN_SIGN || ptr[1] == CHAR_APOSTROPHE)
+ {
+ escape = ESC_g;
+ break;
+ }
+
+ /* Handle the Perl-compatible cases */
+
+ if (ptr[1] == CHAR_LEFT_CURLY_BRACKET)
+ {
+ const pcre_uchar *p;
+ for (p = ptr+2; *p != CHAR_NULL && *p != CHAR_RIGHT_CURLY_BRACKET; p++)
+ if (*p != CHAR_MINUS && !IS_DIGIT(*p)) break;
+ if (*p != CHAR_NULL && *p != CHAR_RIGHT_CURLY_BRACKET)
+ {
+ escape = ESC_k;
+ break;
+ }
+ braced = TRUE;
+ ptr++;
+ }
+ else braced = FALSE;
+
+ if (ptr[1] == CHAR_MINUS)
+ {
+ negated = TRUE;
+ ptr++;
+ }
+ else negated = FALSE;
+
+ /* The integer range is limited by the machine's int representation. */
+ s = 0;
+ overflow = FALSE;
+ while (IS_DIGIT(ptr[1]))
+ {
+ if (s > INT_MAX / 10 - 1) /* Integer overflow */
+ {
+ overflow = TRUE;
+ break;
+ }
+ s = s * 10 + (int)(*(++ptr) - CHAR_0);
+ }
+ if (overflow) /* Integer overflow */
+ {
+ while (IS_DIGIT(ptr[1]))
+ ptr++;
+ *errorcodeptr = ERR61;
+ break;
+ }
+
+ if (braced && *(++ptr) != CHAR_RIGHT_CURLY_BRACKET)
+ {
+ *errorcodeptr = ERR57;
+ break;
+ }
+
+ if (s == 0)
+ {
+ *errorcodeptr = ERR58;
+ break;
+ }
+
+ if (negated)
+ {
+ if (s > bracount)
+ {
+ *errorcodeptr = ERR15;
+ break;
+ }
+ s = bracount - (s - 1);
+ }
+
+ escape = -s;
+ break;
+
+ /* The handling of escape sequences consisting of a string of digits
+ starting with one that is not zero is not straightforward. Perl has changed
+ over the years. Nowadays \g{} for backreferences and \o{} for octal are
+ recommended to avoid the ambiguities in the old syntax.
+
+ Outside a character class, the digits are read as a decimal number. If the
+ number is less than 8 (used to be 10), or if there are that many previous
+ extracting left brackets, then it is a back reference. Otherwise, up to
+ three octal digits are read to form an escaped byte. Thus \123 is likely to
+ be octal 123 (cf \0123, which is octal 012 followed by the literal 3). If
+ the octal value is greater than 377, the least significant 8 bits are
+ taken. \8 and \9 are treated as the literal characters 8 and 9.
+
+ Inside a character class, \ followed by a digit is always either a literal
+ 8 or 9 or an octal number. */
+
+ case CHAR_1: case CHAR_2: case CHAR_3: case CHAR_4: case CHAR_5:
+ case CHAR_6: case CHAR_7: case CHAR_8: case CHAR_9:
+
+ if (!isclass)
+ {
+ oldptr = ptr;
+ /* The integer range is limited by the machine's int representation. */
+ s = (int)(c -CHAR_0);
+ overflow = FALSE;
+ while (IS_DIGIT(ptr[1]))
+ {
+ if (s > INT_MAX / 10 - 1) /* Integer overflow */
+ {
+ overflow = TRUE;
+ break;
+ }
+ s = s * 10 + (int)(*(++ptr) - CHAR_0);
+ }
+ if (overflow) /* Integer overflow */
+ {
+ while (IS_DIGIT(ptr[1]))
+ ptr++;
+ *errorcodeptr = ERR61;
+ break;
+ }
+ if (s < 8 || s <= bracount) /* Check for back reference */
+ {
+ escape = -s;
+ break;
+ }
+ ptr = oldptr; /* Put the pointer back and fall through */
+ }
+
+ /* Handle a digit following \ when the number is not a back reference. If
+ the first digit is 8 or 9, Perl used to generate a binary zero byte and
+ then treat the digit as a following literal. At least by Perl 5.18 this
+ changed so as not to insert the binary zero. */
+
+ if ((c = *ptr) >= CHAR_8) break;
+
+ /* Fall through with a digit less than 8 */
+
+ /* \0 always starts an octal number, but we may drop through to here with a
+ larger first octal digit. The original code used just to take the least
+ significant 8 bits of octal numbers (I think this is what early Perls used
+ to do). Nowadays we allow for larger numbers in UTF-8 mode and 16-bit mode,
+ but no more than 3 octal digits. */
+
+ case CHAR_0:
+ c -= CHAR_0;
+ while(i++ < 2 && ptr[1] >= CHAR_0 && ptr[1] <= CHAR_7)
+ c = c * 8 + *(++ptr) - CHAR_0;
+#ifdef COMPILE_PCRE8
+ if (!utf && c > 0xff) *errorcodeptr = ERR51;
+#endif
+ break;
+
+ /* \o is a relatively new Perl feature, supporting a more general way of
+ specifying character codes in octal. The only supported form is \o{ddd}. */
+
+ case CHAR_o:
+ if (ptr[1] != CHAR_LEFT_CURLY_BRACKET) *errorcodeptr = ERR81; else
+ if (ptr[2] == CHAR_RIGHT_CURLY_BRACKET) *errorcodeptr = ERR86; else
+ {
+ ptr += 2;
+ c = 0;
+ overflow = FALSE;
+ while (*ptr >= CHAR_0 && *ptr <= CHAR_7)
+ {
+ register pcre_uint32 cc = *ptr++;
+ if (c == 0 && cc == CHAR_0) continue; /* Leading zeroes */
+#ifdef COMPILE_PCRE32
+ if (c >= 0x20000000l) { overflow = TRUE; break; }
+#endif
+ c = (c << 3) + cc - CHAR_0 ;
+#if defined COMPILE_PCRE8
+ if (c > (utf ? 0x10ffffU : 0xffU)) { overflow = TRUE; break; }
+#elif defined COMPILE_PCRE16
+ if (c > (utf ? 0x10ffffU : 0xffffU)) { overflow = TRUE; break; }
+#elif defined COMPILE_PCRE32
+ if (utf && c > 0x10ffffU) { overflow = TRUE; break; }
+#endif
+ }
+ if (overflow)
+ {
+ while (*ptr >= CHAR_0 && *ptr <= CHAR_7) ptr++;
+ *errorcodeptr = ERR34;
+ }
+ else if (*ptr == CHAR_RIGHT_CURLY_BRACKET)
+ {
+ if (utf && c >= 0xd800 && c <= 0xdfff) *errorcodeptr = ERR73;
+ }
+ else *errorcodeptr = ERR80;
+ }
+ break;
+
+ /* \x is complicated. In JavaScript, \x must be followed by two hexadecimal
+ numbers. Otherwise it is a lowercase x letter. */
+
+ case CHAR_x:
+ if ((options & PCRE_JAVASCRIPT_COMPAT) != 0)
+ {
+ if (MAX_255(ptr[1]) && (digitab[ptr[1]] & ctype_xdigit) != 0
+ && MAX_255(ptr[2]) && (digitab[ptr[2]] & ctype_xdigit) != 0)
+ {
+ c = 0;
+ for (i = 0; i < 2; ++i)
+ {
+ register pcre_uint32 cc = *(++ptr);
+#ifndef EBCDIC /* ASCII/UTF-8 coding */
+ if (cc >= CHAR_a) cc -= 32; /* Convert to upper case */
+ c = (c << 4) + cc - ((cc < CHAR_A)? CHAR_0 : (CHAR_A - 10));
+#else /* EBCDIC coding */
+ if (cc >= CHAR_a && cc <= CHAR_z) cc += 64; /* Convert to upper case */
+ c = (c << 4) + cc - ((cc >= CHAR_0)? CHAR_0 : (CHAR_A - 10));
+#endif
+ }
+ }
+ } /* End JavaScript handling */
+
+ /* Handle \x in Perl's style. \x{ddd} is a character number which can be
+ greater than 0xff in utf or non-8bit mode, but only if the ddd are hex
+ digits. If not, { used to be treated as a data character. However, Perl
+ seems to read hex digits up to the first non-such, and ignore the rest, so
+ that, for example \x{zz} matches a binary zero. This seems crazy, so PCRE
+ now gives an error. */
+
+ else
+ {
+ if (ptr[1] == CHAR_LEFT_CURLY_BRACKET)
+ {
+ ptr += 2;
+ if (*ptr == CHAR_RIGHT_CURLY_BRACKET)
+ {
+ *errorcodeptr = ERR86;
+ break;
+ }
+ c = 0;
+ overflow = FALSE;
+ while (MAX_255(*ptr) && (digitab[*ptr] & ctype_xdigit) != 0)
+ {
+ register pcre_uint32 cc = *ptr++;
+ if (c == 0 && cc == CHAR_0) continue; /* Leading zeroes */
+
+#ifdef COMPILE_PCRE32
+ if (c >= 0x10000000l) { overflow = TRUE; break; }
+#endif
+
+#ifndef EBCDIC /* ASCII/UTF-8 coding */
+ if (cc >= CHAR_a) cc -= 32; /* Convert to upper case */
+ c = (c << 4) + cc - ((cc < CHAR_A)? CHAR_0 : (CHAR_A - 10));
+#else /* EBCDIC coding */
+ if (cc >= CHAR_a && cc <= CHAR_z) cc += 64; /* Convert to upper case */
+ c = (c << 4) + cc - ((cc >= CHAR_0)? CHAR_0 : (CHAR_A - 10));
+#endif
+
+#if defined COMPILE_PCRE8
+ if (c > (utf ? 0x10ffffU : 0xffU)) { overflow = TRUE; break; }
+#elif defined COMPILE_PCRE16
+ if (c > (utf ? 0x10ffffU : 0xffffU)) { overflow = TRUE; break; }
+#elif defined COMPILE_PCRE32
+ if (utf && c > 0x10ffffU) { overflow = TRUE; break; }
+#endif
+ }
+
+ if (overflow)
+ {
+ while (MAX_255(*ptr) && (digitab[*ptr] & ctype_xdigit) != 0) ptr++;
+ *errorcodeptr = ERR34;
+ }
+
+ else if (*ptr == CHAR_RIGHT_CURLY_BRACKET)
+ {
+ if (utf && c >= 0xd800 && c <= 0xdfff) *errorcodeptr = ERR73;
+ }
+
+ /* If the sequence of hex digits does not end with '}', give an error.
+ We used just to recognize this construct and fall through to the normal
+ \x handling, but nowadays Perl gives an error, which seems much more
+ sensible, so we do too. */
+
+ else *errorcodeptr = ERR79;
+ } /* End of \x{} processing */
+
+ /* Read a single-byte hex-defined char (up to two hex digits after \x) */
+
+ else
+ {
+ c = 0;
+ while (i++ < 2 && MAX_255(ptr[1]) && (digitab[ptr[1]] & ctype_xdigit) != 0)
+ {
+ pcre_uint32 cc; /* Some compilers don't like */
+ cc = *(++ptr); /* ++ in initializers */
+#ifndef EBCDIC /* ASCII/UTF-8 coding */
+ if (cc >= CHAR_a) cc -= 32; /* Convert to upper case */
+ c = c * 16 + cc - ((cc < CHAR_A)? CHAR_0 : (CHAR_A - 10));
+#else /* EBCDIC coding */
+ if (cc <= CHAR_z) cc += 64; /* Convert to upper case */
+ c = c * 16 + cc - ((cc >= CHAR_0)? CHAR_0 : (CHAR_A - 10));
+#endif
+ }
+ } /* End of \xdd handling */
+ } /* End of Perl-style \x handling */
+ break;
+
+ /* For \c, a following letter is upper-cased; then the 0x40 bit is flipped.
+ An error is given if the byte following \c is not an ASCII character. This
+ coding is ASCII-specific, but then the whole concept of \cx is
+ ASCII-specific. (However, an EBCDIC equivalent has now been added.) */
+
+ case CHAR_c:
+ c = *(++ptr);
+ if (c == CHAR_NULL)
+ {
+ *errorcodeptr = ERR2;
+ break;
+ }
+#ifndef EBCDIC /* ASCII/UTF-8 coding */
+ if (c > 127) /* Excludes all non-ASCII in either mode */
+ {
+ *errorcodeptr = ERR68;
+ break;
+ }
+ if (c >= CHAR_a && c <= CHAR_z) c -= 32;
+ c ^= 0x40;
+#else /* EBCDIC coding */
+ if (c >= CHAR_a && c <= CHAR_z) c += 64;
+ if (c == CHAR_QUESTION_MARK)
+ c = ('\\' == 188 && '`' == 74)? 0x5f : 0xff;
+ else
+ {
+ for (i = 0; i < 32; i++)
+ {
+ if (c == ebcdic_escape_c[i]) break;
+ }
+ if (i < 32) c = i; else *errorcodeptr = ERR68;
+ }
+#endif
+ break;
+
+ /* PCRE_EXTRA enables extensions to Perl in the matter of escapes. Any
+ other alphanumeric following \ is an error if PCRE_EXTRA was set;
+ otherwise, for Perl compatibility, it is a literal. This code looks a bit
+ odd, but there used to be some cases other than the default, and there may
+ be again in future, so I haven't "optimized" it. */
+
+ default:
+ if ((options & PCRE_EXTRA) != 0) switch(c)
+ {
+ default:
+ *errorcodeptr = ERR3;
+ break;
+ }
+ break;
+ }
+ }
+
+/* Perl supports \N{name} for character names, as well as plain \N for "not
+newline". PCRE does not support \N{name}. However, it does support
+quantification such as \N{2,3}. */
+
+if (escape == ESC_N && ptr[1] == CHAR_LEFT_CURLY_BRACKET &&
+ !is_counted_repeat(ptr+2))
+ *errorcodeptr = ERR37;
+
+/* If PCRE_UCP is set, we change the values for \d etc. */
+
+if ((options & PCRE_UCP) != 0 && escape >= ESC_D && escape <= ESC_w)
+ escape += (ESC_DU - ESC_D);
+
+/* Set the pointer to the final character before returning. */
+
+*ptrptr = ptr;
+*chptr = c;
+return escape;
+}
+
+
+
+#ifdef SUPPORT_UCP
+/*************************************************
+* Handle \P and \p *
+*************************************************/
+
+/* This function is called after \P or \p has been encountered, provided that
+PCRE is compiled with support for Unicode properties. On entry, ptrptr is
+pointing at the P or p. On exit, it is pointing at the final character of the
+escape sequence.
+
+Argument:
+ ptrptr points to the pattern position pointer
+ negptr points to a boolean that is set TRUE for negation else FALSE
+ ptypeptr points to an unsigned int that is set to the type value
+ pdataptr points to an unsigned int that is set to the detailed property value
+ errorcodeptr points to the error code variable
+
+Returns: TRUE if the type value was found, or FALSE for an invalid type
+*/
+
+static BOOL
+get_ucp(const pcre_uchar **ptrptr, BOOL *negptr, unsigned int *ptypeptr,
+ unsigned int *pdataptr, int *errorcodeptr)
+{
+pcre_uchar c;
+int i, bot, top;
+const pcre_uchar *ptr = *ptrptr;
+pcre_uchar name[32];
+
+c = *(++ptr);
+if (c == CHAR_NULL) goto ERROR_RETURN;
+
+*negptr = FALSE;
+
+/* \P or \p can be followed by a name in {}, optionally preceded by ^ for
+negation. */
+
+if (c == CHAR_LEFT_CURLY_BRACKET)
+ {
+ if (ptr[1] == CHAR_CIRCUMFLEX_ACCENT)
+ {
+ *negptr = TRUE;
+ ptr++;
+ }
+ for (i = 0; i < (int)(sizeof(name) / sizeof(pcre_uchar)) - 1; i++)
+ {
+ c = *(++ptr);
+ if (c == CHAR_NULL) goto ERROR_RETURN;
+ if (c == CHAR_RIGHT_CURLY_BRACKET) break;
+ name[i] = c;
+ }
+ if (c != CHAR_RIGHT_CURLY_BRACKET) goto ERROR_RETURN;
+ name[i] = 0;
+ }
+
+/* Otherwise there is just one following character */
+
+else
+ {
+ name[0] = c;
+ name[1] = 0;
+ }
+
+*ptrptr = ptr;
+
+/* Search for a recognized property name using binary chop */
+
+bot = 0;
+top = PRIV(utt_size);
+
+while (bot < top)
+ {
+ int r;
+ i = (bot + top) >> 1;
+ r = STRCMP_UC_C8(name, PRIV(utt_names) + PRIV(utt)[i].name_offset);
+ if (r == 0)
+ {
+ *ptypeptr = PRIV(utt)[i].type;
+ *pdataptr = PRIV(utt)[i].value;
+ return TRUE;
+ }
+ if (r > 0) bot = i + 1; else top = i;
+ }
+
+*errorcodeptr = ERR47;
+*ptrptr = ptr;
+return FALSE;
+
+ERROR_RETURN:
+*errorcodeptr = ERR46;
+*ptrptr = ptr;
+return FALSE;
+}
+#endif
+
+
+
+/*************************************************
+* Read repeat counts *
+*************************************************/
+
+/* Read an item of the form {n,m} and return the values. This is called only
+after is_counted_repeat() has confirmed that a repeat-count quantifier exists,
+so the syntax is guaranteed to be correct, but we need to check the values.
+
+Arguments:
+ p pointer to first char after '{'
+ minp pointer to int for min
+ maxp pointer to int for max
+ returned as -1 if no max
+ errorcodeptr points to error code variable
+
+Returns: pointer to '}' on success;
+ current ptr on error, with errorcodeptr set non-zero
+*/
+
+static const pcre_uchar *
+read_repeat_counts(const pcre_uchar *p, int *minp, int *maxp, int *errorcodeptr)
+{
+int min = 0;
+int max = -1;
+
+while (IS_DIGIT(*p))
+ {
+ min = min * 10 + (int)(*p++ - CHAR_0);
+ if (min > 65535)
+ {
+ *errorcodeptr = ERR5;
+ return p;
+ }
+ }
+
+if (*p == CHAR_RIGHT_CURLY_BRACKET) max = min; else
+ {
+ if (*(++p) != CHAR_RIGHT_CURLY_BRACKET)
+ {
+ max = 0;
+ while(IS_DIGIT(*p))
+ {
+ max = max * 10 + (int)(*p++ - CHAR_0);
+ if (max > 65535)
+ {
+ *errorcodeptr = ERR5;
+ return p;
+ }
+ }
+ if (max < min)
+ {
+ *errorcodeptr = ERR4;
+ return p;
+ }
+ }
+ }
+
+*minp = min;
+*maxp = max;
+return p;
+}
+
+
+
+/*************************************************
+* Find first significant op code *
+*************************************************/
+
+/* This is called by several functions that scan a compiled expression looking
+for a fixed first character, or an anchoring op code etc. It skips over things
+that do not influence this. For some calls, it makes sense to skip negative
+forward and all backward assertions, and also the \b assertion; for others it
+does not.
+
+Arguments:
+ code pointer to the start of the group
+ skipassert TRUE if certain assertions are to be skipped
+
+Returns: pointer to the first significant opcode
+*/
+
+static const pcre_uchar*
+first_significant_code(const pcre_uchar *code, BOOL skipassert)
+{
+for (;;)
+ {
+ switch ((int)*code)
+ {
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ if (!skipassert) return code;
+ do code += GET(code, 1); while (*code == OP_ALT);
+ code += PRIV(OP_lengths)[*code];
+ break;
+
+ case OP_WORD_BOUNDARY:
+ case OP_NOT_WORD_BOUNDARY:
+ if (!skipassert) return code;
+ /* Fall through */
+
+ case OP_CALLOUT:
+ case OP_CREF:
+ case OP_DNCREF:
+ case OP_RREF:
+ case OP_DNRREF:
+ case OP_DEF:
+ code += PRIV(OP_lengths)[*code];
+ break;
+
+ default:
+ return code;
+ }
+ }
+/* Control never reaches here */
+}
+
+
+
+/*************************************************
+* Find the fixed length of a branch *
+*************************************************/
+
+/* Scan a branch and compute the fixed length of subject that will match it,
+if the length is fixed. This is needed for dealing with backward assertions.
+In UTF8 mode, the result is in characters rather than bytes. The branch is
+temporarily terminated with OP_END when this function is called.
+
+This function is called when a backward assertion is encountered, so that if it
+fails, the error message can point to the correct place in the pattern.
+However, we cannot do this when the assertion contains subroutine calls,
+because they can be forward references. We solve this by remembering this case
+and doing the check at the end; a flag specifies which mode we are running in.
+
+Arguments:
+ code points to the start of the pattern (the bracket)
+ utf TRUE in UTF-8 / UTF-16 / UTF-32 mode
+ atend TRUE if called when the pattern is complete
+ cd the "compile data" structure
+ recurses chain of recurse_check to catch mutual recursion
+
+Returns: the fixed length,
+ or -1 if there is no fixed length,
+ or -2 if \C was encountered (in UTF-8 mode only)
+ or -3 if an OP_RECURSE item was encountered and atend is FALSE
+ or -4 if an unknown opcode was encountered (internal error)
+*/
+
+static int
+find_fixedlength(pcre_uchar *code, BOOL utf, BOOL atend, compile_data *cd,
+ recurse_check *recurses)
+{
+int length = -1;
+recurse_check this_recurse;
+register int branchlength = 0;
+register pcre_uchar *cc = code + 1 + LINK_SIZE;
+
+/* Scan along the opcodes for this branch. If we get to the end of the
+branch, check the length against that of the other branches. */
+
+for (;;)
+ {
+ int d;
+ pcre_uchar *ce, *cs;
+ register pcre_uchar op = *cc;
+
+ switch (op)
+ {
+ /* We only need to continue for OP_CBRA (normal capturing bracket) and
+ OP_BRA (normal non-capturing bracket) because the other variants of these
+ opcodes are all concerned with unlimited repeated groups, which of course
+ are not of fixed length. */
+
+ case OP_CBRA:
+ case OP_BRA:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_COND:
+ d = find_fixedlength(cc + ((op == OP_CBRA)? IMM2_SIZE : 0), utf, atend, cd,
+ recurses);
+ if (d < 0) return d;
+ branchlength += d;
+ do cc += GET(cc, 1); while (*cc == OP_ALT);
+ cc += 1 + LINK_SIZE;
+ break;
+
+ /* Reached end of a branch; if it's a ket it is the end of a nested call.
+ If it's ALT it is an alternation in a nested call. An ACCEPT is effectively
+ an ALT. If it is END it's the end of the outer call. All can be handled by
+ the same code. Note that we must not include the OP_KETRxxx opcodes here,
+ because they all imply an unlimited repeat. */
+
+ case OP_ALT:
+ case OP_KET:
+ case OP_END:
+ case OP_ACCEPT:
+ case OP_ASSERT_ACCEPT:
+ if (length < 0) length = branchlength;
+ else if (length != branchlength) return -1;
+ if (*cc != OP_ALT) return length;
+ cc += 1 + LINK_SIZE;
+ branchlength = 0;
+ break;
+
+ /* A true recursion implies not fixed length, but a subroutine call may
+ be OK. If the subroutine is a forward reference, we can't deal with
+ it until the end of the pattern, so return -3. */
+
+ case OP_RECURSE:
+ if (!atend) return -3;
+ cs = ce = (pcre_uchar *)cd->start_code + GET(cc, 1); /* Start subpattern */
+ do ce += GET(ce, 1); while (*ce == OP_ALT); /* End subpattern */
+ if (cc > cs && cc < ce) return -1; /* Recursion */
+ else /* Check for mutual recursion */
+ {
+ recurse_check *r = recurses;
+ for (r = recurses; r != NULL; r = r->prev) if (r->group == cs) break;
+ if (r != NULL) return -1; /* Mutual recursion */
+ }
+ this_recurse.prev = recurses;
+ this_recurse.group = cs;
+ d = find_fixedlength(cs + IMM2_SIZE, utf, atend, cd, &this_recurse);
+ if (d < 0) return d;
+ branchlength += d;
+ cc += 1 + LINK_SIZE;
+ break;
+
+ /* Skip over assertive subpatterns */
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ do cc += GET(cc, 1); while (*cc == OP_ALT);
+ cc += 1 + LINK_SIZE;
+ break;
+
+ /* Skip over things that don't match chars */
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ cc += cc[1] + PRIV(OP_lengths)[*cc];
+ break;
+
+ case OP_CALLOUT:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_CLOSE:
+ case OP_COMMIT:
+ case OP_CREF:
+ case OP_DEF:
+ case OP_DNCREF:
+ case OP_DNRREF:
+ case OP_DOLL:
+ case OP_DOLLM:
+ case OP_EOD:
+ case OP_EODN:
+ case OP_FAIL:
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_PRUNE:
+ case OP_REVERSE:
+ case OP_RREF:
+ case OP_SET_SOM:
+ case OP_SKIP:
+ case OP_SOD:
+ case OP_SOM:
+ case OP_THEN:
+ case OP_WORD_BOUNDARY:
+ cc += PRIV(OP_lengths)[*cc];
+ break;
+
+ /* Handle literal characters */
+
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ branchlength++;
+ cc += 2;
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ /* Handle exact repetitions. The count is already in characters, but we
+ need to skip over a multibyte character in UTF8 mode. */
+
+ case OP_EXACT:
+ case OP_EXACTI:
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+ branchlength += (int)GET2(cc,1);
+ cc += 2 + IMM2_SIZE;
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ case OP_TYPEEXACT:
+ branchlength += GET2(cc,1);
+ if (cc[1 + IMM2_SIZE] == OP_PROP || cc[1 + IMM2_SIZE] == OP_NOTPROP)
+ cc += 2;
+ cc += 1 + IMM2_SIZE + 1;
+ break;
+
+ /* Handle single-char matchers */
+
+ case OP_PROP:
+ case OP_NOTPROP:
+ cc += 2;
+ /* Fall through */
+
+ case OP_HSPACE:
+ case OP_VSPACE:
+ case OP_NOT_HSPACE:
+ case OP_NOT_VSPACE:
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+ case OP_ANY:
+ case OP_ALLANY:
+ branchlength++;
+ cc++;
+ break;
+
+ /* The single-byte matcher isn't allowed. This only happens in UTF-8 mode;
+ otherwise \C is coded as OP_ALLANY. */
+
+ case OP_ANYBYTE:
+ return -2;
+
+ /* Check a class for variable quantification */
+
+ case OP_CLASS:
+ case OP_NCLASS:
+#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ case OP_XCLASS:
+ /* The original code caused an unsigned overflow in 64 bit systems,
+ so now we use a conditional statement. */
+ if (op == OP_XCLASS)
+ cc += GET(cc, 1);
+ else
+ cc += PRIV(OP_lengths)[OP_CLASS];
+#else
+ cc += PRIV(OP_lengths)[OP_CLASS];
+#endif
+
+ switch (*cc)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSPLUS:
+ case OP_CRPOSQUERY:
+ return -1;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ if (GET2(cc,1) != GET2(cc,1+IMM2_SIZE)) return -1;
+ branchlength += (int)GET2(cc,1);
+ cc += 1 + 2 * IMM2_SIZE;
+ break;
+
+ default:
+ branchlength++;
+ }
+ break;
+
+ /* Anything else is variable length */
+
+ case OP_ANYNL:
+ case OP_BRAMINZERO:
+ case OP_BRAPOS:
+ case OP_BRAPOSZERO:
+ case OP_BRAZERO:
+ case OP_CBRAPOS:
+ case OP_EXTUNI:
+ case OP_KETRMAX:
+ case OP_KETRMIN:
+ case OP_KETRPOS:
+ case OP_MINPLUS:
+ case OP_MINPLUSI:
+ case OP_MINQUERY:
+ case OP_MINQUERYI:
+ case OP_MINSTAR:
+ case OP_MINSTARI:
+ case OP_MINUPTO:
+ case OP_MINUPTOI:
+ case OP_NOTMINPLUS:
+ case OP_NOTMINPLUSI:
+ case OP_NOTMINQUERY:
+ case OP_NOTMINQUERYI:
+ case OP_NOTMINSTAR:
+ case OP_NOTMINSTARI:
+ case OP_NOTMINUPTO:
+ case OP_NOTMINUPTOI:
+ case OP_NOTPLUS:
+ case OP_NOTPLUSI:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSUPTO:
+ case OP_NOTPOSUPTOI:
+ case OP_NOTQUERY:
+ case OP_NOTQUERYI:
+ case OP_NOTSTAR:
+ case OP_NOTSTARI:
+ case OP_NOTUPTO:
+ case OP_NOTUPTOI:
+ case OP_PLUS:
+ case OP_PLUSI:
+ case OP_POSPLUS:
+ case OP_POSPLUSI:
+ case OP_POSQUERY:
+ case OP_POSQUERYI:
+ case OP_POSSTAR:
+ case OP_POSSTARI:
+ case OP_POSUPTO:
+ case OP_POSUPTOI:
+ case OP_QUERY:
+ case OP_QUERYI:
+ case OP_REF:
+ case OP_REFI:
+ case OP_DNREF:
+ case OP_DNREFI:
+ case OP_SBRA:
+ case OP_SBRAPOS:
+ case OP_SCBRA:
+ case OP_SCBRAPOS:
+ case OP_SCOND:
+ case OP_SKIPZERO:
+ case OP_STAR:
+ case OP_STARI:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEPLUS:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSUPTO:
+ case OP_TYPEQUERY:
+ case OP_TYPESTAR:
+ case OP_TYPEUPTO:
+ case OP_UPTO:
+ case OP_UPTOI:
+ return -1;
+
+ /* Catch unrecognized opcodes so that when new ones are added they
+ are not forgotten, as has happened in the past. */
+
+ default:
+ return -4;
+ }
+ }
+/* Control never gets here */
+}
+
+
+
+/*************************************************
+* Scan compiled regex for specific bracket *
+*************************************************/
+
+/* This little function scans through a compiled pattern until it finds a
+capturing bracket with the given number, or, if the number is negative, an
+instance of OP_REVERSE for a lookbehind. The function is global in the C sense
+so that it can be called from pcre_study() when finding the minimum matching
+length.
+
+Arguments:
+ code points to start of expression
+ utf TRUE in UTF-8 / UTF-16 / UTF-32 mode
+ number the required bracket number or negative to find a lookbehind
+
+Returns: pointer to the opcode for the bracket, or NULL if not found
+*/
+
+const pcre_uchar *
+PRIV(find_bracket)(const pcre_uchar *code, BOOL utf, int number)
+{
+for (;;)
+ {
+ register pcre_uchar c = *code;
+
+ if (c == OP_END) return NULL;
+
+ /* XCLASS is used for classes that cannot be represented just by a bit
+ map. This includes negated single high-valued characters. The length in
+ the table is zero; the actual length is stored in the compiled code. */
+
+ if (c == OP_XCLASS) code += GET(code, 1);
+
+ /* Handle recursion */
+
+ else if (c == OP_REVERSE)
+ {
+ if (number < 0) return (pcre_uchar *)code;
+ code += PRIV(OP_lengths)[c];
+ }
+
+ /* Handle capturing bracket */
+
+ else if (c == OP_CBRA || c == OP_SCBRA ||
+ c == OP_CBRAPOS || c == OP_SCBRAPOS)
+ {
+ int n = (int)GET2(code, 1+LINK_SIZE);
+ if (n == number) return (pcre_uchar *)code;
+ code += PRIV(OP_lengths)[c];
+ }
+
+ /* Otherwise, we can get the item's length from the table, except that for
+ repeated character types, we have to test for \p and \P, which have an extra
+ two bytes of parameters, and for MARK/PRUNE/SKIP/THEN with an argument, we
+ must add in its length. */
+
+ else
+ {
+ switch(c)
+ {
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ if (code[1] == OP_PROP || code[1] == OP_NOTPROP) code += 2;
+ break;
+
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEEXACT:
+ case OP_TYPEPOSUPTO:
+ if (code[1 + IMM2_SIZE] == OP_PROP || code[1 + IMM2_SIZE] == OP_NOTPROP)
+ code += 2;
+ break;
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ code += code[1];
+ break;
+ }
+
+ /* Add in the fixed length from the table */
+
+ code += PRIV(OP_lengths)[c];
+
+ /* In UTF-8 mode, opcodes that are followed by a character may be followed by
+ a multi-byte character. The length in the table is a minimum, so we have to
+ arrange to skip the extra bytes. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf) switch(c)
+ {
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ case OP_EXACT:
+ case OP_EXACTI:
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+ case OP_UPTO:
+ case OP_UPTOI:
+ case OP_NOTUPTO:
+ case OP_NOTUPTOI:
+ case OP_MINUPTO:
+ case OP_MINUPTOI:
+ case OP_NOTMINUPTO:
+ case OP_NOTMINUPTOI:
+ case OP_POSUPTO:
+ case OP_POSUPTOI:
+ case OP_NOTPOSUPTO:
+ case OP_NOTPOSUPTOI:
+ case OP_STAR:
+ case OP_STARI:
+ case OP_NOTSTAR:
+ case OP_NOTSTARI:
+ case OP_MINSTAR:
+ case OP_MINSTARI:
+ case OP_NOTMINSTAR:
+ case OP_NOTMINSTARI:
+ case OP_POSSTAR:
+ case OP_POSSTARI:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSSTARI:
+ case OP_PLUS:
+ case OP_PLUSI:
+ case OP_NOTPLUS:
+ case OP_NOTPLUSI:
+ case OP_MINPLUS:
+ case OP_MINPLUSI:
+ case OP_NOTMINPLUS:
+ case OP_NOTMINPLUSI:
+ case OP_POSPLUS:
+ case OP_POSPLUSI:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSPLUSI:
+ case OP_QUERY:
+ case OP_QUERYI:
+ case OP_NOTQUERY:
+ case OP_NOTQUERYI:
+ case OP_MINQUERY:
+ case OP_MINQUERYI:
+ case OP_NOTMINQUERY:
+ case OP_NOTMINQUERYI:
+ case OP_POSQUERY:
+ case OP_POSQUERYI:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSQUERYI:
+ if (HAS_EXTRALEN(code[-1])) code += GET_EXTRALEN(code[-1]);
+ break;
+ }
+#else
+ (void)(utf); /* Keep compiler happy by referencing function argument */
+#endif
+ }
+ }
+}
+
+
+
+/*************************************************
+* Scan compiled regex for recursion reference *
+*************************************************/
+
+/* This little function scans through a compiled pattern until it finds an
+instance of OP_RECURSE.
+
+Arguments:
+ code points to start of expression
+ utf TRUE in UTF-8 / UTF-16 / UTF-32 mode
+
+Returns: pointer to the opcode for OP_RECURSE, or NULL if not found
+*/
+
+static const pcre_uchar *
+find_recurse(const pcre_uchar *code, BOOL utf)
+{
+for (;;)
+ {
+ register pcre_uchar c = *code;
+ if (c == OP_END) return NULL;
+ if (c == OP_RECURSE) return code;
+
+ /* XCLASS is used for classes that cannot be represented just by a bit
+ map. This includes negated single high-valued characters. The length in
+ the table is zero; the actual length is stored in the compiled code. */
+
+ if (c == OP_XCLASS) code += GET(code, 1);
+
+ /* Otherwise, we can get the item's length from the table, except that for
+ repeated character types, we have to test for \p and \P, which have an extra
+ two bytes of parameters, and for MARK/PRUNE/SKIP/THEN with an argument, we
+ must add in its length. */
+
+ else
+ {
+ switch(c)
+ {
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ if (code[1] == OP_PROP || code[1] == OP_NOTPROP) code += 2;
+ break;
+
+ case OP_TYPEPOSUPTO:
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEEXACT:
+ if (code[1 + IMM2_SIZE] == OP_PROP || code[1 + IMM2_SIZE] == OP_NOTPROP)
+ code += 2;
+ break;
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ code += code[1];
+ break;
+ }
+
+ /* Add in the fixed length from the table */
+
+ code += PRIV(OP_lengths)[c];
+
+ /* In UTF-8 mode, opcodes that are followed by a character may be followed
+ by a multi-byte character. The length in the table is a minimum, so we have
+ to arrange to skip the extra bytes. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf) switch(c)
+ {
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ case OP_EXACT:
+ case OP_EXACTI:
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+ case OP_UPTO:
+ case OP_UPTOI:
+ case OP_NOTUPTO:
+ case OP_NOTUPTOI:
+ case OP_MINUPTO:
+ case OP_MINUPTOI:
+ case OP_NOTMINUPTO:
+ case OP_NOTMINUPTOI:
+ case OP_POSUPTO:
+ case OP_POSUPTOI:
+ case OP_NOTPOSUPTO:
+ case OP_NOTPOSUPTOI:
+ case OP_STAR:
+ case OP_STARI:
+ case OP_NOTSTAR:
+ case OP_NOTSTARI:
+ case OP_MINSTAR:
+ case OP_MINSTARI:
+ case OP_NOTMINSTAR:
+ case OP_NOTMINSTARI:
+ case OP_POSSTAR:
+ case OP_POSSTARI:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSSTARI:
+ case OP_PLUS:
+ case OP_PLUSI:
+ case OP_NOTPLUS:
+ case OP_NOTPLUSI:
+ case OP_MINPLUS:
+ case OP_MINPLUSI:
+ case OP_NOTMINPLUS:
+ case OP_NOTMINPLUSI:
+ case OP_POSPLUS:
+ case OP_POSPLUSI:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSPLUSI:
+ case OP_QUERY:
+ case OP_QUERYI:
+ case OP_NOTQUERY:
+ case OP_NOTQUERYI:
+ case OP_MINQUERY:
+ case OP_MINQUERYI:
+ case OP_NOTMINQUERY:
+ case OP_NOTMINQUERYI:
+ case OP_POSQUERY:
+ case OP_POSQUERYI:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSQUERYI:
+ if (HAS_EXTRALEN(code[-1])) code += GET_EXTRALEN(code[-1]);
+ break;
+ }
+#else
+ (void)(utf); /* Keep compiler happy by referencing function argument */
+#endif
+ }
+ }
+}
+
+
+
+/*************************************************
+* Scan compiled branch for non-emptiness *
+*************************************************/
+
+/* This function scans through a branch of a compiled pattern to see whether it
+can match the empty string or not. It is called from could_be_empty()
+below and from compile_branch() when checking for an unlimited repeat of a
+group that can match nothing. Note that first_significant_code() skips over
+backward and negative forward assertions when its final argument is TRUE. If we
+hit an unclosed bracket, we return "empty" - this means we've struck an inner
+bracket whose current branch will already have been scanned.
+
+Arguments:
+ code points to start of search
+ endcode points to where to stop
+ utf TRUE if in UTF-8 / UTF-16 / UTF-32 mode
+ cd contains pointers to tables etc.
+ recurses chain of recurse_check to catch mutual recursion
+
+Returns: TRUE if what is matched could be empty
+*/
+
+static BOOL
+could_be_empty_branch(const pcre_uchar *code, const pcre_uchar *endcode,
+ BOOL utf, compile_data *cd, recurse_check *recurses)
+{
+register pcre_uchar c;
+recurse_check this_recurse;
+
+for (code = first_significant_code(code + PRIV(OP_lengths)[*code], TRUE);
+ code < endcode;
+ code = first_significant_code(code + PRIV(OP_lengths)[c], TRUE))
+ {
+ const pcre_uchar *ccode;
+
+ c = *code;
+
+ /* Skip over forward assertions; the other assertions are skipped by
+ first_significant_code() with a TRUE final argument. */
+
+ if (c == OP_ASSERT)
+ {
+ do code += GET(code, 1); while (*code == OP_ALT);
+ c = *code;
+ continue;
+ }
+
+ /* For a recursion/subroutine call, if its end has been reached, which
+ implies a backward reference subroutine call, we can scan it. If it's a
+ forward reference subroutine call, we can't. To detect forward reference
+ we have to scan up the list that is kept in the workspace. This function is
+ called only when doing the real compile, not during the pre-compile that
+ measures the size of the compiled pattern. */
+
+ if (c == OP_RECURSE)
+ {
+ const pcre_uchar *scode = cd->start_code + GET(code, 1);
+ const pcre_uchar *endgroup = scode;
+ BOOL empty_branch;
+
+ /* Test for forward reference or uncompleted reference. This is disabled
+ when called to scan a completed pattern by setting cd->start_workspace to
+ NULL. */
+
+ if (cd->start_workspace != NULL)
+ {
+ const pcre_uchar *tcode;
+ for (tcode = cd->start_workspace; tcode < cd->hwm; tcode += LINK_SIZE)
+ if ((int)GET(tcode, 0) == (int)(code + 1 - cd->start_code)) return TRUE;
+ if (GET(scode, 1) == 0) return TRUE; /* Unclosed */
+ }
+
+ /* If the reference is to a completed group, we need to detect whether this
+ is a recursive call, as otherwise there will be an infinite loop. If it is
+ a recursion, just skip over it. Simple recursions are easily detected. For
+ mutual recursions we keep a chain on the stack. */
+
+ do endgroup += GET(endgroup, 1); while (*endgroup == OP_ALT);
+ if (code >= scode && code <= endgroup) continue; /* Simple recursion */
+ else
+ {
+ recurse_check *r = recurses;
+ for (r = recurses; r != NULL; r = r->prev)
+ if (r->group == scode) break;
+ if (r != NULL) continue; /* Mutual recursion */
+ }
+
+ /* Completed reference; scan the referenced group, remembering it on the
+ stack chain to detect mutual recursions. */
+
+ empty_branch = FALSE;
+ this_recurse.prev = recurses;
+ this_recurse.group = scode;
+
+ do
+ {
+ if (could_be_empty_branch(scode, endcode, utf, cd, &this_recurse))
+ {
+ empty_branch = TRUE;
+ break;
+ }
+ scode += GET(scode, 1);
+ }
+ while (*scode == OP_ALT);
+
+ if (!empty_branch) return FALSE; /* All branches are non-empty */
+ continue;
+ }
+
+ /* Groups with zero repeats can of course be empty; skip them. */
+
+ if (c == OP_BRAZERO || c == OP_BRAMINZERO || c == OP_SKIPZERO ||
+ c == OP_BRAPOSZERO)
+ {
+ code += PRIV(OP_lengths)[c];
+ do code += GET(code, 1); while (*code == OP_ALT);
+ c = *code;
+ continue;
+ }
+
+ /* A nested group that is already marked as "could be empty" can just be
+ skipped. */
+
+ if (c == OP_SBRA || c == OP_SBRAPOS ||
+ c == OP_SCBRA || c == OP_SCBRAPOS)
+ {
+ do code += GET(code, 1); while (*code == OP_ALT);
+ c = *code;
+ continue;
+ }
+
+ /* For other groups, scan the branches. */
+
+ if (c == OP_BRA || c == OP_BRAPOS ||
+ c == OP_CBRA || c == OP_CBRAPOS ||
+ c == OP_ONCE || c == OP_ONCE_NC ||
+ c == OP_COND || c == OP_SCOND)
+ {
+ BOOL empty_branch;
+ if (GET(code, 1) == 0) return TRUE; /* Hit unclosed bracket */
+
+ /* If a conditional group has only one branch, there is a second, implied,
+ empty branch, so just skip over the conditional, because it could be empty.
+ Otherwise, scan the individual branches of the group. */
+
+ if (c == OP_COND && code[GET(code, 1)] != OP_ALT)
+ code += GET(code, 1);
+ else
+ {
+ empty_branch = FALSE;
+ do
+ {
+ if (!empty_branch && could_be_empty_branch(code, endcode, utf, cd,
+ recurses)) empty_branch = TRUE;
+ code += GET(code, 1);
+ }
+ while (*code == OP_ALT);
+ if (!empty_branch) return FALSE; /* All branches are non-empty */
+ }
+
+ c = *code;
+ continue;
+ }
+
+ /* Handle the other opcodes */
+
+ switch (c)
+ {
+ /* Check for quantifiers after a class. XCLASS is used for classes that
+ cannot be represented just by a bit map. This includes negated single
+ high-valued characters. The length in PRIV(OP_lengths)[] is zero; the
+ actual length is stored in the compiled code, so we must update "code"
+ here. */
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ ccode = code += GET(code, 1);
+ goto CHECK_CLASS_REPEAT;
+#endif
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ ccode = code + PRIV(OP_lengths)[OP_CLASS];
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ CHECK_CLASS_REPEAT:
+#endif
+
+ switch (*ccode)
+ {
+ case OP_CRSTAR: /* These could be empty; continue */
+ case OP_CRMINSTAR:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSQUERY:
+ break;
+
+ default: /* Non-repeat => class must match */
+ case OP_CRPLUS: /* These repeats aren't empty */
+ case OP_CRMINPLUS:
+ case OP_CRPOSPLUS:
+ return FALSE;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ if (GET2(ccode, 1) > 0) return FALSE; /* Minimum > 0 */
+ break;
+ }
+ break;
+
+ /* Opcodes that must match a character */
+
+ case OP_ANY:
+ case OP_ALLANY:
+ case OP_ANYBYTE:
+
+ case OP_PROP:
+ case OP_NOTPROP:
+ case OP_ANYNL:
+
+ case OP_NOT_HSPACE:
+ case OP_HSPACE:
+ case OP_NOT_VSPACE:
+ case OP_VSPACE:
+ case OP_EXTUNI:
+
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+
+ case OP_PLUS:
+ case OP_PLUSI:
+ case OP_MINPLUS:
+ case OP_MINPLUSI:
+
+ case OP_NOTPLUS:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUS:
+ case OP_NOTMINPLUSI:
+
+ case OP_POSPLUS:
+ case OP_POSPLUSI:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSPLUSI:
+
+ case OP_EXACT:
+ case OP_EXACTI:
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEEXACT:
+
+ return FALSE;
+
+ /* These are going to continue, as they may be empty, but we have to
+ fudge the length for the \p and \P cases. */
+
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSQUERY:
+ if (code[1] == OP_PROP || code[1] == OP_NOTPROP) code += 2;
+ break;
+
+ /* Same for these */
+
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEPOSUPTO:
+ if (code[1 + IMM2_SIZE] == OP_PROP || code[1 + IMM2_SIZE] == OP_NOTPROP)
+ code += 2;
+ break;
+
+ /* End of branch */
+
+ case OP_KET:
+ case OP_KETRMAX:
+ case OP_KETRMIN:
+ case OP_KETRPOS:
+ case OP_ALT:
+ return TRUE;
+
+ /* In UTF-8 mode, STAR, MINSTAR, POSSTAR, QUERY, MINQUERY, POSQUERY, UPTO,
+ MINUPTO, and POSUPTO and their caseless and negative versions may be
+ followed by a multibyte character. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ case OP_STAR:
+ case OP_STARI:
+ case OP_NOTSTAR:
+ case OP_NOTSTARI:
+
+ case OP_MINSTAR:
+ case OP_MINSTARI:
+ case OP_NOTMINSTAR:
+ case OP_NOTMINSTARI:
+
+ case OP_POSSTAR:
+ case OP_POSSTARI:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSSTARI:
+
+ case OP_QUERY:
+ case OP_QUERYI:
+ case OP_NOTQUERY:
+ case OP_NOTQUERYI:
+
+ case OP_MINQUERY:
+ case OP_MINQUERYI:
+ case OP_NOTMINQUERY:
+ case OP_NOTMINQUERYI:
+
+ case OP_POSQUERY:
+ case OP_POSQUERYI:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSQUERYI:
+
+ if (utf && HAS_EXTRALEN(code[1])) code += GET_EXTRALEN(code[1]);
+ break;
+
+ case OP_UPTO:
+ case OP_UPTOI:
+ case OP_NOTUPTO:
+ case OP_NOTUPTOI:
+
+ case OP_MINUPTO:
+ case OP_MINUPTOI:
+ case OP_NOTMINUPTO:
+ case OP_NOTMINUPTOI:
+
+ case OP_POSUPTO:
+ case OP_POSUPTOI:
+ case OP_NOTPOSUPTO:
+ case OP_NOTPOSUPTOI:
+
+ if (utf && HAS_EXTRALEN(code[1 + IMM2_SIZE])) code += GET_EXTRALEN(code[1 + IMM2_SIZE]);
+ break;
+#endif
+
+ /* MARK, and PRUNE/SKIP/THEN with an argument must skip over the argument
+ string. */
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ code += code[1];
+ break;
+
+ /* None of the remaining opcodes are required to match a character. */
+
+ default:
+ break;
+ }
+ }
+
+return TRUE;
+}
+
+
+
+/*************************************************
+* Scan compiled regex for non-emptiness *
+*************************************************/
+
+/* This function is called to check for left recursive calls. We want to check
+the current branch of the current pattern to see if it could match the empty
+string. If it could, we must look outwards for branches at other levels,
+stopping when we pass beyond the bracket which is the subject of the recursion.
+This function is called only during the real compile, not during the
+pre-compile.
+
+Arguments:
+ code points to start of the recursion
+ endcode points to where to stop (current RECURSE item)
+ bcptr points to the chain of current (unclosed) branch starts
+ utf TRUE if in UTF-8 / UTF-16 / UTF-32 mode
+ cd pointers to tables etc
+
+Returns: TRUE if what is matched could be empty
+*/
+
+static BOOL
+could_be_empty(const pcre_uchar *code, const pcre_uchar *endcode,
+ branch_chain *bcptr, BOOL utf, compile_data *cd)
+{
+while (bcptr != NULL && bcptr->current_branch >= code)
+ {
+ if (!could_be_empty_branch(bcptr->current_branch, endcode, utf, cd, NULL))
+ return FALSE;
+ bcptr = bcptr->outer;
+ }
+return TRUE;
+}
+
+
+
+/*************************************************
+* Base opcode of repeated opcodes *
+*************************************************/
+
+/* Returns the base opcode for repeated single character type opcodes. If the
+opcode is not a repeated character type, it returns with the original value.
+
+Arguments: c opcode
+Returns: base opcode for the type
+*/
+
+static pcre_uchar
+get_repeat_base(pcre_uchar c)
+{
+return (c > OP_TYPEPOSUPTO)? c :
+ (c >= OP_TYPESTAR)? OP_TYPESTAR :
+ (c >= OP_NOTSTARI)? OP_NOTSTARI :
+ (c >= OP_NOTSTAR)? OP_NOTSTAR :
+ (c >= OP_STARI)? OP_STARI :
+ OP_STAR;
+}
+
+
+
+#ifdef SUPPORT_UCP
+/*************************************************
+* Check a character and a property *
+*************************************************/
+
+/* This function is called by check_auto_possessive() when a property item
+is adjacent to a fixed character.
+
+Arguments:
+ c the character
+ ptype the property type
+ pdata the data for the type
+ negated TRUE if it's a negated property (\P or \p{^)
+
+Returns: TRUE if auto-possessifying is OK
+*/
+
+static BOOL
+check_char_prop(pcre_uint32 c, unsigned int ptype, unsigned int pdata,
+ BOOL negated)
+{
+const pcre_uint32 *p;
+const ucd_record *prop = GET_UCD(c);
+
+switch(ptype)
+ {
+ case PT_LAMP:
+ return (prop->chartype == ucp_Lu ||
+ prop->chartype == ucp_Ll ||
+ prop->chartype == ucp_Lt) == negated;
+
+ case PT_GC:
+ return (pdata == PRIV(ucp_gentype)[prop->chartype]) == negated;
+
+ case PT_PC:
+ return (pdata == prop->chartype) == negated;
+
+ case PT_SC:
+ return (pdata == prop->script) == negated;
+
+ /* These are specials */
+
+ case PT_ALNUM:
+ return (PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N) == negated;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included, which
+ means that Perl space and POSIX space are now identical. PCRE was changed
+ at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ return negated;
+
+ default:
+ return (PRIV(ucp_gentype)[prop->chartype] == ucp_Z) == negated;
+ }
+ break; /* Control never reaches here */
+
+ case PT_WORD:
+ return (PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N ||
+ c == CHAR_UNDERSCORE) == negated;
+
+ case PT_CLIST:
+ p = PRIV(ucd_caseless_sets) + prop->caseset;
+ for (;;)
+ {
+ if (c < *p) return !negated;
+ if (c == *p++) return negated;
+ }
+ break; /* Control never reaches here */
+ }
+
+return FALSE;
+}
+#endif /* SUPPORT_UCP */
+
+
+
+/*************************************************
+* Fill the character property list *
+*************************************************/
+
+/* Checks whether the code points to an opcode that can take part in auto-
+possessification, and if so, fills a list with its properties.
+
+Arguments:
+ code points to start of expression
+ utf TRUE if in UTF-8 / UTF-16 / UTF-32 mode
+ fcc points to case-flipping table
+ list points to output list
+ list[0] will be filled with the opcode
+ list[1] will be non-zero if this opcode
+ can match an empty character string
+ list[2..7] depends on the opcode
+
+Returns: points to the start of the next opcode if *code is accepted
+ NULL if *code is not accepted
+*/
+
+static const pcre_uchar *
+get_chr_property_list(const pcre_uchar *code, BOOL utf,
+ const pcre_uint8 *fcc, pcre_uint32 *list)
+{
+pcre_uchar c = *code;
+pcre_uchar base;
+const pcre_uchar *end;
+pcre_uint32 chr;
+
+#ifdef SUPPORT_UCP
+pcre_uint32 *clist_dest;
+const pcre_uint32 *clist_src;
+#else
+((void)utf); /* Suppress "unused parameter" compiler warning */
+#endif
+
+list[0] = c;
+list[1] = FALSE;
+code++;
+
+if (c >= OP_STAR && c <= OP_TYPEPOSUPTO)
+ {
+ base = get_repeat_base(c);
+ c -= (base - OP_STAR);
+
+ if (c == OP_UPTO || c == OP_MINUPTO || c == OP_EXACT || c == OP_POSUPTO)
+ code += IMM2_SIZE;
+
+ list[1] = (c != OP_PLUS && c != OP_MINPLUS && c != OP_EXACT && c != OP_POSPLUS);
+
+ switch(base)
+ {
+ case OP_STAR:
+ list[0] = OP_CHAR;
+ break;
+
+ case OP_STARI:
+ list[0] = OP_CHARI;
+ break;
+
+ case OP_NOTSTAR:
+ list[0] = OP_NOT;
+ break;
+
+ case OP_NOTSTARI:
+ list[0] = OP_NOTI;
+ break;
+
+ case OP_TYPESTAR:
+ list[0] = *code;
+ code++;
+ break;
+ }
+ c = list[0];
+ }
+
+switch(c)
+ {
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+ case OP_ANY:
+ case OP_ALLANY:
+ case OP_ANYNL:
+ case OP_NOT_HSPACE:
+ case OP_HSPACE:
+ case OP_NOT_VSPACE:
+ case OP_VSPACE:
+ case OP_EXTUNI:
+ case OP_EODN:
+ case OP_EOD:
+ case OP_DOLL:
+ case OP_DOLLM:
+ return code;
+
+ case OP_CHAR:
+ case OP_NOT:
+ GETCHARINCTEST(chr, code);
+ list[2] = chr;
+ list[3] = NOTACHAR;
+ return code;
+
+ case OP_CHARI:
+ case OP_NOTI:
+ list[0] = (c == OP_CHARI) ? OP_CHAR : OP_NOT;
+ GETCHARINCTEST(chr, code);
+ list[2] = chr;
+
+#ifdef SUPPORT_UCP
+ if (chr < 128 || (chr < 256 && !utf))
+ list[3] = fcc[chr];
+ else
+ list[3] = UCD_OTHERCASE(chr);
+#elif defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ list[3] = (chr < 256) ? fcc[chr] : chr;
+#else
+ list[3] = fcc[chr];
+#endif
+
+ /* The othercase might be the same value. */
+
+ if (chr == list[3])
+ list[3] = NOTACHAR;
+ else
+ list[4] = NOTACHAR;
+ return code;
+
+#ifdef SUPPORT_UCP
+ case OP_PROP:
+ case OP_NOTPROP:
+ if (code[0] != PT_CLIST)
+ {
+ list[2] = code[0];
+ list[3] = code[1];
+ return code + 2;
+ }
+
+ /* Convert only if we have enough space. */
+
+ clist_src = PRIV(ucd_caseless_sets) + code[1];
+ clist_dest = list + 2;
+ code += 2;
+
+ do {
+ if (clist_dest >= list + 8)
+ {
+ /* Early return if there is not enough space. This should never
+ happen, since all clists are shorter than 5 character now. */
+ list[2] = code[0];
+ list[3] = code[1];
+ return code;
+ }
+ *clist_dest++ = *clist_src;
+ }
+ while(*clist_src++ != NOTACHAR);
+
+ /* All characters are stored. The terminating NOTACHAR
+ is copied form the clist itself. */
+
+ list[0] = (c == OP_PROP) ? OP_CHAR : OP_NOT;
+ return code;
+#endif
+
+ case OP_NCLASS:
+ case OP_CLASS:
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ if (c == OP_XCLASS)
+ end = code + GET(code, 0) - 1;
+ else
+#endif
+ end = code + 32 / sizeof(pcre_uchar);
+
+ switch(*end)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSQUERY:
+ list[1] = TRUE;
+ end++;
+ break;
+
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRPOSPLUS:
+ end++;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ list[1] = (GET2(end, 1) == 0);
+ end += 1 + 2 * IMM2_SIZE;
+ break;
+ }
+ list[2] = (pcre_uint32)(end - code);
+ return end;
+ }
+return NULL; /* Opcode not accepted */
+}
+
+
+
+/*************************************************
+* Scan further character sets for match *
+*************************************************/
+
+/* Checks whether the base and the current opcode have a common character, in
+which case the base cannot be possessified.
+
+Arguments:
+ code points to the byte code
+ utf TRUE in UTF-8 / UTF-16 / UTF-32 mode
+ cd static compile data
+ base_list the data list of the base opcode
+
+Returns: TRUE if the auto-possessification is possible
+*/
+
+static BOOL
+compare_opcodes(const pcre_uchar *code, BOOL utf, const compile_data *cd,
+ const pcre_uint32 *base_list, const pcre_uchar *base_end, int *rec_limit)
+{
+pcre_uchar c;
+pcre_uint32 list[8];
+const pcre_uint32 *chr_ptr;
+const pcre_uint32 *ochr_ptr;
+const pcre_uint32 *list_ptr;
+const pcre_uchar *next_code;
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+const pcre_uchar *xclass_flags;
+#endif
+const pcre_uint8 *class_bitset;
+const pcre_uint8 *set1, *set2, *set_end;
+pcre_uint32 chr;
+BOOL accepted, invert_bits;
+BOOL entered_a_group = FALSE;
+
+if (*rec_limit == 0) return FALSE;
+--(*rec_limit);
+
+/* Note: the base_list[1] contains whether the current opcode has greedy
+(represented by a non-zero value) quantifier. This is a different from
+other character type lists, which stores here that the character iterator
+matches to an empty string (also represented by a non-zero value). */
+
+for(;;)
+ {
+ /* All operations move the code pointer forward.
+ Therefore infinite recursions are not possible. */
+
+ c = *code;
+
+ /* Skip over callouts */
+
+ if (c == OP_CALLOUT)
+ {
+ code += PRIV(OP_lengths)[c];
+ continue;
+ }
+
+ if (c == OP_ALT)
+ {
+ do code += GET(code, 1); while (*code == OP_ALT);
+ c = *code;
+ }
+
+ switch(c)
+ {
+ case OP_END:
+ case OP_KETRPOS:
+ /* TRUE only in greedy case. The non-greedy case could be replaced by
+ an OP_EXACT, but it is probably not worth it. (And note that OP_EXACT
+ uses more memory, which we cannot get at this stage.) */
+
+ return base_list[1] != 0;
+
+ case OP_KET:
+ /* If the bracket is capturing, and referenced by an OP_RECURSE, or
+ it is an atomic sub-pattern (assert, once, etc.) the non-greedy case
+ cannot be converted to a possessive form. */
+
+ if (base_list[1] == 0) return FALSE;
+
+ switch(*(code - GET(code, 1)))
+ {
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ /* Atomic sub-patterns and assertions can always auto-possessify their
+ last iterator. However, if the group was entered as a result of checking
+ a previous iterator, this is not possible. */
+
+ return !entered_a_group;
+ }
+
+ code += PRIV(OP_lengths)[c];
+ continue;
+
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRA:
+ case OP_CBRA:
+ next_code = code + GET(code, 1);
+ code += PRIV(OP_lengths)[c];
+
+ while (*next_code == OP_ALT)
+ {
+ if (!compare_opcodes(code, utf, cd, base_list, base_end, rec_limit))
+ return FALSE;
+ code = next_code + 1 + LINK_SIZE;
+ next_code += GET(next_code, 1);
+ }
+
+ entered_a_group = TRUE;
+ continue;
+
+ case OP_BRAZERO:
+ case OP_BRAMINZERO:
+
+ next_code = code + 1;
+ if (*next_code != OP_BRA && *next_code != OP_CBRA
+ && *next_code != OP_ONCE && *next_code != OP_ONCE_NC) return FALSE;
+
+ do next_code += GET(next_code, 1); while (*next_code == OP_ALT);
+
+ /* The bracket content will be checked by the
+ OP_BRA/OP_CBRA case above. */
+ next_code += 1 + LINK_SIZE;
+ if (!compare_opcodes(next_code, utf, cd, base_list, base_end, rec_limit))
+ return FALSE;
+
+ code += PRIV(OP_lengths)[c];
+ continue;
+
+ default:
+ break;
+ }
+
+ /* Check for a supported opcode, and load its properties. */
+
+ code = get_chr_property_list(code, utf, cd->fcc, list);
+ if (code == NULL) return FALSE; /* Unsupported */
+
+ /* If either opcode is a small character list, set pointers for comparing
+ characters from that list with another list, or with a property. */
+
+ if (base_list[0] == OP_CHAR)
+ {
+ chr_ptr = base_list + 2;
+ list_ptr = list;
+ }
+ else if (list[0] == OP_CHAR)
+ {
+ chr_ptr = list + 2;
+ list_ptr = base_list;
+ }
+
+ /* Character bitsets can also be compared to certain opcodes. */
+
+ else if (base_list[0] == OP_CLASS || list[0] == OP_CLASS
+#ifdef COMPILE_PCRE8
+ /* In 8 bit, non-UTF mode, OP_CLASS and OP_NCLASS are the same. */
+ || (!utf && (base_list[0] == OP_NCLASS || list[0] == OP_NCLASS))
+#endif
+ )
+ {
+#ifdef COMPILE_PCRE8
+ if (base_list[0] == OP_CLASS || (!utf && base_list[0] == OP_NCLASS))
+#else
+ if (base_list[0] == OP_CLASS)
+#endif
+ {
+ set1 = (pcre_uint8 *)(base_end - base_list[2]);
+ list_ptr = list;
+ }
+ else
+ {
+ set1 = (pcre_uint8 *)(code - list[2]);
+ list_ptr = base_list;
+ }
+
+ invert_bits = FALSE;
+ switch(list_ptr[0])
+ {
+ case OP_CLASS:
+ case OP_NCLASS:
+ set2 = (pcre_uint8 *)
+ ((list_ptr == list ? code : base_end) - list_ptr[2]);
+ break;
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ xclass_flags = (list_ptr == list ? code : base_end) - list_ptr[2] + LINK_SIZE;
+ if ((*xclass_flags & XCL_HASPROP) != 0) return FALSE;
+ if ((*xclass_flags & XCL_MAP) == 0)
+ {
+ /* No bits are set for characters < 256. */
+ if (list[1] == 0) return TRUE;
+ /* Might be an empty repeat. */
+ continue;
+ }
+ set2 = (pcre_uint8 *)(xclass_flags + 1);
+ break;
+#endif
+
+ case OP_NOT_DIGIT:
+ invert_bits = TRUE;
+ /* Fall through */
+ case OP_DIGIT:
+ set2 = (pcre_uint8 *)(cd->cbits + cbit_digit);
+ break;
+
+ case OP_NOT_WHITESPACE:
+ invert_bits = TRUE;
+ /* Fall through */
+ case OP_WHITESPACE:
+ set2 = (pcre_uint8 *)(cd->cbits + cbit_space);
+ break;
+
+ case OP_NOT_WORDCHAR:
+ invert_bits = TRUE;
+ /* Fall through */
+ case OP_WORDCHAR:
+ set2 = (pcre_uint8 *)(cd->cbits + cbit_word);
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ /* Because the sets are unaligned, we need
+ to perform byte comparison here. */
+ set_end = set1 + 32;
+ if (invert_bits)
+ {
+ do
+ {
+ if ((*set1++ & ~(*set2++)) != 0) return FALSE;
+ }
+ while (set1 < set_end);
+ }
+ else
+ {
+ do
+ {
+ if ((*set1++ & *set2++) != 0) return FALSE;
+ }
+ while (set1 < set_end);
+ }
+
+ if (list[1] == 0) return TRUE;
+ /* Might be an empty repeat. */
+ continue;
+ }
+
+ /* Some property combinations also acceptable. Unicode property opcodes are
+ processed specially; the rest can be handled with a lookup table. */
+
+ else
+ {
+ pcre_uint32 leftop, rightop;
+
+ leftop = base_list[0];
+ rightop = list[0];
+
+#ifdef SUPPORT_UCP
+ accepted = FALSE; /* Always set in non-unicode case. */
+ if (leftop == OP_PROP || leftop == OP_NOTPROP)
+ {
+ if (rightop == OP_EOD)
+ accepted = TRUE;
+ else if (rightop == OP_PROP || rightop == OP_NOTPROP)
+ {
+ int n;
+ const pcre_uint8 *p;
+ BOOL same = leftop == rightop;
+ BOOL lisprop = leftop == OP_PROP;
+ BOOL risprop = rightop == OP_PROP;
+ BOOL bothprop = lisprop && risprop;
+
+ /* There's a table that specifies how each combination is to be
+ processed:
+ 0 Always return FALSE (never auto-possessify)
+ 1 Character groups are distinct (possessify if both are OP_PROP)
+ 2 Check character categories in the same group (general or particular)
+ 3 Return TRUE if the two opcodes are not the same
+ ... see comments below
+ */
+
+ n = propposstab[base_list[2]][list[2]];
+ switch(n)
+ {
+ case 0: break;
+ case 1: accepted = bothprop; break;
+ case 2: accepted = (base_list[3] == list[3]) != same; break;
+ case 3: accepted = !same; break;
+
+ case 4: /* Left general category, right particular category */
+ accepted = risprop && catposstab[base_list[3]][list[3]] == same;
+ break;
+
+ case 5: /* Right general category, left particular category */
+ accepted = lisprop && catposstab[list[3]][base_list[3]] == same;
+ break;
+
+ /* This code is logically tricky. Think hard before fiddling with it.
+ The posspropstab table has four entries per row. Each row relates to
+ one of PCRE's special properties such as ALNUM or SPACE or WORD.
+ Only WORD actually needs all four entries, but using repeats for the
+ others means they can all use the same code below.
+
+ The first two entries in each row are Unicode general categories, and
+ apply always, because all the characters they include are part of the
+ PCRE character set. The third and fourth entries are a general and a
+ particular category, respectively, that include one or more relevant
+ characters. One or the other is used, depending on whether the check
+ is for a general or a particular category. However, in both cases the
+ category contains more characters than the specials that are defined
+ for the property being tested against. Therefore, it cannot be used
+ in a NOTPROP case.
+
+ Example: the row for WORD contains ucp_L, ucp_N, ucp_P, ucp_Po.
+ Underscore is covered by ucp_P or ucp_Po. */
+
+ case 6: /* Left alphanum vs right general category */
+ case 7: /* Left space vs right general category */
+ case 8: /* Left word vs right general category */
+ p = posspropstab[n-6];
+ accepted = risprop && lisprop ==
+ (list[3] != p[0] &&
+ list[3] != p[1] &&
+ (list[3] != p[2] || !lisprop));
+ break;
+
+ case 9: /* Right alphanum vs left general category */
+ case 10: /* Right space vs left general category */
+ case 11: /* Right word vs left general category */
+ p = posspropstab[n-9];
+ accepted = lisprop && risprop ==
+ (base_list[3] != p[0] &&
+ base_list[3] != p[1] &&
+ (base_list[3] != p[2] || !risprop));
+ break;
+
+ case 12: /* Left alphanum vs right particular category */
+ case 13: /* Left space vs right particular category */
+ case 14: /* Left word vs right particular category */
+ p = posspropstab[n-12];
+ accepted = risprop && lisprop ==
+ (catposstab[p[0]][list[3]] &&
+ catposstab[p[1]][list[3]] &&
+ (list[3] != p[3] || !lisprop));
+ break;
+
+ case 15: /* Right alphanum vs left particular category */
+ case 16: /* Right space vs left particular category */
+ case 17: /* Right word vs left particular category */
+ p = posspropstab[n-15];
+ accepted = lisprop && risprop ==
+ (catposstab[p[0]][base_list[3]] &&
+ catposstab[p[1]][base_list[3]] &&
+ (base_list[3] != p[3] || !risprop));
+ break;
+ }
+ }
+ }
+
+ else
+#endif /* SUPPORT_UCP */
+
+ accepted = leftop >= FIRST_AUTOTAB_OP && leftop <= LAST_AUTOTAB_LEFT_OP &&
+ rightop >= FIRST_AUTOTAB_OP && rightop <= LAST_AUTOTAB_RIGHT_OP &&
+ autoposstab[leftop - FIRST_AUTOTAB_OP][rightop - FIRST_AUTOTAB_OP];
+
+ if (!accepted) return FALSE;
+
+ if (list[1] == 0) return TRUE;
+ /* Might be an empty repeat. */
+ continue;
+ }
+
+ /* Control reaches here only if one of the items is a small character list.
+ All characters are checked against the other side. */
+
+ do
+ {
+ chr = *chr_ptr;
+
+ switch(list_ptr[0])
+ {
+ case OP_CHAR:
+ ochr_ptr = list_ptr + 2;
+ do
+ {
+ if (chr == *ochr_ptr) return FALSE;
+ ochr_ptr++;
+ }
+ while(*ochr_ptr != NOTACHAR);
+ break;
+
+ case OP_NOT:
+ ochr_ptr = list_ptr + 2;
+ do
+ {
+ if (chr == *ochr_ptr)
+ break;
+ ochr_ptr++;
+ }
+ while(*ochr_ptr != NOTACHAR);
+ if (*ochr_ptr == NOTACHAR) return FALSE; /* Not found */
+ break;
+
+ /* Note that OP_DIGIT etc. are generated only when PCRE_UCP is *not*
+ set. When it is set, \d etc. are converted into OP_(NOT_)PROP codes. */
+
+ case OP_DIGIT:
+ if (chr < 256 && (cd->ctypes[chr] & ctype_digit) != 0) return FALSE;
+ break;
+
+ case OP_NOT_DIGIT:
+ if (chr > 255 || (cd->ctypes[chr] & ctype_digit) == 0) return FALSE;
+ break;
+
+ case OP_WHITESPACE:
+ if (chr < 256 && (cd->ctypes[chr] & ctype_space) != 0) return FALSE;
+ break;
+
+ case OP_NOT_WHITESPACE:
+ if (chr > 255 || (cd->ctypes[chr] & ctype_space) == 0) return FALSE;
+ break;
+
+ case OP_WORDCHAR:
+ if (chr < 255 && (cd->ctypes[chr] & ctype_word) != 0) return FALSE;
+ break;
+
+ case OP_NOT_WORDCHAR:
+ if (chr > 255 || (cd->ctypes[chr] & ctype_word) == 0) return FALSE;
+ break;
+
+ case OP_HSPACE:
+ switch(chr)
+ {
+ HSPACE_CASES: return FALSE;
+ default: break;
+ }
+ break;
+
+ case OP_NOT_HSPACE:
+ switch(chr)
+ {
+ HSPACE_CASES: break;
+ default: return FALSE;
+ }
+ break;
+
+ case OP_ANYNL:
+ case OP_VSPACE:
+ switch(chr)
+ {
+ VSPACE_CASES: return FALSE;
+ default: break;
+ }
+ break;
+
+ case OP_NOT_VSPACE:
+ switch(chr)
+ {
+ VSPACE_CASES: break;
+ default: return FALSE;
+ }
+ break;
+
+ case OP_DOLL:
+ case OP_EODN:
+ switch (chr)
+ {
+ case CHAR_CR:
+ case CHAR_LF:
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ return FALSE;
+ }
+ break;
+
+ case OP_EOD: /* Can always possessify before \z */
+ break;
+
+#ifdef SUPPORT_UCP
+ case OP_PROP:
+ case OP_NOTPROP:
+ if (!check_char_prop(chr, list_ptr[2], list_ptr[3],
+ list_ptr[0] == OP_NOTPROP))
+ return FALSE;
+ break;
+#endif
+
+ case OP_NCLASS:
+ if (chr > 255) return FALSE;
+ /* Fall through */
+
+ case OP_CLASS:
+ if (chr > 255) break;
+ class_bitset = (pcre_uint8 *)
+ ((list_ptr == list ? code : base_end) - list_ptr[2]);
+ if ((class_bitset[chr >> 3] & (1 << (chr & 7))) != 0) return FALSE;
+ break;
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ if (PRIV(xclass)(chr, (list_ptr == list ? code : base_end) -
+ list_ptr[2] + LINK_SIZE, utf)) return FALSE;
+ break;
+#endif
+
+ default:
+ return FALSE;
+ }
+
+ chr_ptr++;
+ }
+ while(*chr_ptr != NOTACHAR);
+
+ /* At least one character must be matched from this opcode. */
+
+ if (list[1] == 0) return TRUE;
+ }
+
+/* Control never reaches here. There used to be a fail-save return FALSE; here,
+but some compilers complain about an unreachable statement. */
+
+}
+
+
+
+/*************************************************
+* Scan compiled regex for auto-possession *
+*************************************************/
+
+/* Replaces single character iterations with their possessive alternatives
+if appropriate. This function modifies the compiled opcode!
+
+Arguments:
+ code points to start of the byte code
+ utf TRUE in UTF-8 / UTF-16 / UTF-32 mode
+ cd static compile data
+
+Returns: nothing
+*/
+
+static void
+auto_possessify(pcre_uchar *code, BOOL utf, const compile_data *cd)
+{
+register pcre_uchar c;
+const pcre_uchar *end;
+pcre_uchar *repeat_opcode;
+pcre_uint32 list[8];
+int rec_limit;
+
+for (;;)
+ {
+ c = *code;
+
+ /* When a pattern with bad UTF-8 encoding is compiled with NO_UTF_CHECK,
+ it may compile without complaining, but may get into a loop here if the code
+ pointer points to a bad value. This is, of course a documentated possibility,
+ when NO_UTF_CHECK is set, so it isn't a bug, but we can detect this case and
+ just give up on this optimization. */
+
+ if (c >= OP_TABLE_LENGTH) return;
+
+ if (c >= OP_STAR && c <= OP_TYPEPOSUPTO)
+ {
+ c -= get_repeat_base(c) - OP_STAR;
+ end = (c <= OP_MINUPTO) ?
+ get_chr_property_list(code, utf, cd->fcc, list) : NULL;
+ list[1] = c == OP_STAR || c == OP_PLUS || c == OP_QUERY || c == OP_UPTO;
+
+ rec_limit = 1000;
+ if (end != NULL && compare_opcodes(end, utf, cd, list, end, &rec_limit))
+ {
+ switch(c)
+ {
+ case OP_STAR:
+ *code += OP_POSSTAR - OP_STAR;
+ break;
+
+ case OP_MINSTAR:
+ *code += OP_POSSTAR - OP_MINSTAR;
+ break;
+
+ case OP_PLUS:
+ *code += OP_POSPLUS - OP_PLUS;
+ break;
+
+ case OP_MINPLUS:
+ *code += OP_POSPLUS - OP_MINPLUS;
+ break;
+
+ case OP_QUERY:
+ *code += OP_POSQUERY - OP_QUERY;
+ break;
+
+ case OP_MINQUERY:
+ *code += OP_POSQUERY - OP_MINQUERY;
+ break;
+
+ case OP_UPTO:
+ *code += OP_POSUPTO - OP_UPTO;
+ break;
+
+ case OP_MINUPTO:
+ *code += OP_POSUPTO - OP_MINUPTO;
+ break;
+ }
+ }
+ c = *code;
+ }
+ else if (c == OP_CLASS || c == OP_NCLASS || c == OP_XCLASS)
+ {
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ if (c == OP_XCLASS)
+ repeat_opcode = code + GET(code, 1);
+ else
+#endif
+ repeat_opcode = code + 1 + (32 / sizeof(pcre_uchar));
+
+ c = *repeat_opcode;
+ if (c >= OP_CRSTAR && c <= OP_CRMINRANGE)
+ {
+ /* end must not be NULL. */
+ end = get_chr_property_list(code, utf, cd->fcc, list);
+
+ list[1] = (c & 1) == 0;
+
+ rec_limit = 1000;
+ if (compare_opcodes(end, utf, cd, list, end, &rec_limit))
+ {
+ switch (c)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ *repeat_opcode = OP_CRPOSSTAR;
+ break;
+
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ *repeat_opcode = OP_CRPOSPLUS;
+ break;
+
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ *repeat_opcode = OP_CRPOSQUERY;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ *repeat_opcode = OP_CRPOSRANGE;
+ break;
+ }
+ }
+ }
+ c = *code;
+ }
+
+ switch(c)
+ {
+ case OP_END:
+ return;
+
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ if (code[1] == OP_PROP || code[1] == OP_NOTPROP) code += 2;
+ break;
+
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEEXACT:
+ case OP_TYPEPOSUPTO:
+ if (code[1 + IMM2_SIZE] == OP_PROP || code[1 + IMM2_SIZE] == OP_NOTPROP)
+ code += 2;
+ break;
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ code += GET(code, 1);
+ break;
+#endif
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ code += code[1];
+ break;
+ }
+
+ /* Add in the fixed length from the table */
+
+ code += PRIV(OP_lengths)[c];
+
+ /* In UTF-8 mode, opcodes that are followed by a character may be followed by
+ a multi-byte character. The length in the table is a minimum, so we have to
+ arrange to skip the extra bytes. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf) switch(c)
+ {
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_EXACT:
+ case OP_POSSTAR:
+ case OP_POSPLUS:
+ case OP_POSQUERY:
+ case OP_POSUPTO:
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_EXACTI:
+ case OP_POSSTARI:
+ case OP_POSPLUSI:
+ case OP_POSQUERYI:
+ case OP_POSUPTOI:
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTQUERY:
+ case OP_NOTMINQUERY:
+ case OP_NOTUPTO:
+ case OP_NOTMINUPTO:
+ case OP_NOTEXACT:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSUPTO:
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERYI:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTOI:
+ case OP_NOTEXACTI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSUPTOI:
+ if (HAS_EXTRALEN(code[-1])) code += GET_EXTRALEN(code[-1]);
+ break;
+ }
+#else
+ (void)(utf); /* Keep compiler happy by referencing function argument */
+#endif
+ }
+}
+
+
+
+/*************************************************
+* Check for POSIX class syntax *
+*************************************************/
+
+/* This function is called when the sequence "[:" or "[." or "[=" is
+encountered in a character class. It checks whether this is followed by a
+sequence of characters terminated by a matching ":]" or ".]" or "=]". If we
+reach an unescaped ']' without the special preceding character, return FALSE.
+
+Originally, this function only recognized a sequence of letters between the
+terminators, but it seems that Perl recognizes any sequence of characters,
+though of course unknown POSIX names are subsequently rejected. Perl gives an
+"Unknown POSIX class" error for [:f\oo:] for example, where previously PCRE
+didn't consider this to be a POSIX class. Likewise for [:1234:].
+
+The problem in trying to be exactly like Perl is in the handling of escapes. We
+have to be sure that [abc[:x\]pqr] is *not* treated as containing a POSIX
+class, but [abc[:x\]pqr:]] is (so that an error can be generated). The code
+below handles the special cases \\ and \], but does not try to do any other
+escape processing. This makes it different from Perl for cases such as
+[:l\ower:] where Perl recognizes it as the POSIX class "lower" but PCRE does
+not recognize "l\ower". This is a lesser evil than not diagnosing bad classes
+when Perl does, I think.
+
+A user pointed out that PCRE was rejecting [:a[:digit:]] whereas Perl was not.
+It seems that the appearance of a nested POSIX class supersedes an apparent
+external class. For example, [:a[:digit:]b:] matches "a", "b", ":", or
+a digit.
+
+In Perl, unescaped square brackets may also appear as part of class names. For
+example, [:a[:abc]b:] gives unknown POSIX class "[:abc]b:]". However, for
+[:a[:abc]b][b:] it gives unknown POSIX class "[:abc]b][b:]", which does not
+seem right at all. PCRE does not allow closing square brackets in POSIX class
+names.
+
+Arguments:
+ ptr pointer to the initial [
+ endptr where to return the end pointer
+
+Returns: TRUE or FALSE
+*/
+
+static BOOL
+check_posix_syntax(const pcre_uchar *ptr, const pcre_uchar **endptr)
+{
+pcre_uchar terminator; /* Don't combine these lines; the Solaris cc */
+terminator = *(++ptr); /* compiler warns about "non-constant" initializer. */
+for (++ptr; *ptr != CHAR_NULL; ptr++)
+ {
+ if (*ptr == CHAR_BACKSLASH &&
+ (ptr[1] == CHAR_RIGHT_SQUARE_BRACKET ||
+ ptr[1] == CHAR_BACKSLASH))
+ ptr++;
+ else if ((*ptr == CHAR_LEFT_SQUARE_BRACKET && ptr[1] == terminator) ||
+ *ptr == CHAR_RIGHT_SQUARE_BRACKET) return FALSE;
+ else if (*ptr == terminator && ptr[1] == CHAR_RIGHT_SQUARE_BRACKET)
+ {
+ *endptr = ptr;
+ return TRUE;
+ }
+ }
+return FALSE;
+}
+
+
+
+
+/*************************************************
+* Check POSIX class name *
+*************************************************/
+
+/* This function is called to check the name given in a POSIX-style class entry
+such as [:alnum:].
+
+Arguments:
+ ptr points to the first letter
+ len the length of the name
+
+Returns: a value representing the name, or -1 if unknown
+*/
+
+static int
+check_posix_name(const pcre_uchar *ptr, int len)
+{
+const char *pn = posix_names;
+register int yield = 0;
+while (posix_name_lengths[yield] != 0)
+ {
+ if (len == posix_name_lengths[yield] &&
+ STRNCMP_UC_C8(ptr, pn, (unsigned int)len) == 0) return yield;
+ pn += posix_name_lengths[yield] + 1;
+ yield++;
+ }
+return -1;
+}
+
+
+/*************************************************
+* Adjust OP_RECURSE items in repeated group *
+*************************************************/
+
+/* OP_RECURSE items contain an offset from the start of the regex to the group
+that is referenced. This means that groups can be replicated for fixed
+repetition simply by copying (because the recursion is allowed to refer to
+earlier groups that are outside the current group). However, when a group is
+optional (i.e. the minimum quantifier is zero), OP_BRAZERO or OP_SKIPZERO is
+inserted before it, after it has been compiled. This means that any OP_RECURSE
+items within it that refer to the group itself or any contained groups have to
+have their offsets adjusted. That one of the jobs of this function. Before it
+is called, the partially compiled regex must be temporarily terminated with
+OP_END.
+
+This function has been extended to cope with forward references for recursions
+and subroutine calls. It must check the list of such references for the
+group we are dealing with. If it finds that one of the recursions in the
+current group is on this list, it does not adjust the value in the reference
+(which is a group number). After the group has been scanned, all the offsets in
+the forward reference list for the group are adjusted.
+
+Arguments:
+ group points to the start of the group
+ adjust the amount by which the group is to be moved
+ utf TRUE in UTF-8 / UTF-16 / UTF-32 mode
+ cd contains pointers to tables etc.
+ save_hwm_offset the hwm forward reference offset at the start of the group
+
+Returns: nothing
+*/
+
+static void
+adjust_recurse(pcre_uchar *group, int adjust, BOOL utf, compile_data *cd,
+ size_t save_hwm_offset)
+{
+int offset;
+pcre_uchar *hc;
+pcre_uchar *ptr = group;
+
+while ((ptr = (pcre_uchar *)find_recurse(ptr, utf)) != NULL)
+ {
+ for (hc = (pcre_uchar *)cd->start_workspace + save_hwm_offset; hc < cd->hwm;
+ hc += LINK_SIZE)
+ {
+ offset = (int)GET(hc, 0);
+ if (cd->start_code + offset == ptr + 1) break;
+ }
+
+ /* If we have not found this recursion on the forward reference list, adjust
+ the recursion's offset if it's after the start of this group. */
+
+ if (hc >= cd->hwm)
+ {
+ offset = (int)GET(ptr, 1);
+ if (cd->start_code + offset >= group) PUT(ptr, 1, offset + adjust);
+ }
+
+ ptr += 1 + LINK_SIZE;
+ }
+
+/* Now adjust all forward reference offsets for the group. */
+
+for (hc = (pcre_uchar *)cd->start_workspace + save_hwm_offset; hc < cd->hwm;
+ hc += LINK_SIZE)
+ {
+ offset = (int)GET(hc, 0);
+ PUT(hc, 0, offset + adjust);
+ }
+}
+
+
+
+/*************************************************
+* Insert an automatic callout point *
+*************************************************/
+
+/* This function is called when the PCRE_AUTO_CALLOUT option is set, to insert
+callout points before each pattern item.
+
+Arguments:
+ code current code pointer
+ ptr current pattern pointer
+ cd pointers to tables etc
+
+Returns: new code pointer
+*/
+
+static pcre_uchar *
+auto_callout(pcre_uchar *code, const pcre_uchar *ptr, compile_data *cd)
+{
+*code++ = OP_CALLOUT;
+*code++ = 255;
+PUT(code, 0, (int)(ptr - cd->start_pattern)); /* Pattern offset */
+PUT(code, LINK_SIZE, 0); /* Default length */
+return code + 2 * LINK_SIZE;
+}
+
+
+
+/*************************************************
+* Complete a callout item *
+*************************************************/
+
+/* A callout item contains the length of the next item in the pattern, which
+we can't fill in till after we have reached the relevant point. This is used
+for both automatic and manual callouts.
+
+Arguments:
+ previous_callout points to previous callout item
+ ptr current pattern pointer
+ cd pointers to tables etc
+
+Returns: nothing
+*/
+
+static void
+complete_callout(pcre_uchar *previous_callout, const pcre_uchar *ptr, compile_data *cd)
+{
+int length = (int)(ptr - cd->start_pattern - GET(previous_callout, 2));
+PUT(previous_callout, 2 + LINK_SIZE, length);
+}
+
+
+
+#ifdef SUPPORT_UCP
+/*************************************************
+* Get othercase range *
+*************************************************/
+
+/* This function is passed the start and end of a class range, in UTF-8 mode
+with UCP support. It searches up the characters, looking for ranges of
+characters in the "other" case. Each call returns the next one, updating the
+start address. A character with multiple other cases is returned on its own
+with a special return value.
+
+Arguments:
+ cptr points to starting character value; updated
+ d end value
+ ocptr where to put start of othercase range
+ odptr where to put end of othercase range
+
+Yield: -1 when no more
+ 0 when a range is returned
+ >0 the CASESET offset for char with multiple other cases
+ in this case, ocptr contains the original
+*/
+
+static int
+get_othercase_range(pcre_uint32 *cptr, pcre_uint32 d, pcre_uint32 *ocptr,
+ pcre_uint32 *odptr)
+{
+pcre_uint32 c, othercase, next;
+unsigned int co;
+
+/* Find the first character that has an other case. If it has multiple other
+cases, return its case offset value. */
+
+for (c = *cptr; c <= d; c++)
+ {
+ if ((co = UCD_CASESET(c)) != 0)
+ {
+ *ocptr = c++; /* Character that has the set */
+ *cptr = c; /* Rest of input range */
+ return (int)co;
+ }
+ if ((othercase = UCD_OTHERCASE(c)) != c) break;
+ }
+
+if (c > d) return -1; /* Reached end of range */
+
+/* Found a character that has a single other case. Search for the end of the
+range, which is either the end of the input range, or a character that has zero
+or more than one other cases. */
+
+*ocptr = othercase;
+next = othercase + 1;
+
+for (++c; c <= d; c++)
+ {
+ if ((co = UCD_CASESET(c)) != 0 || UCD_OTHERCASE(c) != next) break;
+ next++;
+ }
+
+*odptr = next - 1; /* End of othercase range */
+*cptr = c; /* Rest of input range */
+return 0;
+}
+#endif /* SUPPORT_UCP */
+
+
+
+/*************************************************
+* Add a character or range to a class *
+*************************************************/
+
+/* This function packages up the logic of adding a character or range of
+characters to a class. The character values in the arguments will be within the
+valid values for the current mode (8-bit, 16-bit, UTF, etc). This function is
+mutually recursive with the function immediately below.
+
+Arguments:
+ classbits the bit map for characters < 256
+ uchardptr points to the pointer for extra data
+ options the options word
+ cd contains pointers to tables etc.
+ start start of range character
+ end end of range character
+
+Returns: the number of < 256 characters added
+ the pointer to extra data is updated
+*/
+
+static int
+add_to_class(pcre_uint8 *classbits, pcre_uchar **uchardptr, int options,
+ compile_data *cd, pcre_uint32 start, pcre_uint32 end)
+{
+pcre_uint32 c;
+pcre_uint32 classbits_end = (end <= 0xff ? end : 0xff);
+int n8 = 0;
+
+((void)uchardptr);
+((void)propposstab);
+((void)catposstab);
+((void)posspropstab);
+
+/* If caseless matching is required, scan the range and process alternate
+cases. In Unicode, there are 8-bit characters that have alternate cases that
+are greater than 255 and vice-versa. Sometimes we can just extend the original
+range. */
+
+if ((options & PCRE_CASELESS) != 0)
+ {
+#ifdef SUPPORT_UCP
+ if ((options & PCRE_UTF8) != 0)
+ {
+ int rc;
+ pcre_uint32 oc, od;
+
+ options &= ~PCRE_CASELESS; /* Remove for recursive calls */
+ c = start;
+
+ while ((rc = get_othercase_range(&c, end, &oc, &od)) >= 0)
+ {
+ /* Handle a single character that has more than one other case. */
+
+ if (rc > 0) n8 += add_list_to_class(classbits, uchardptr, options, cd,
+ PRIV(ucd_caseless_sets) + rc, oc);
+
+ /* Do nothing if the other case range is within the original range. */
+
+ else if (oc >= start && od <= end) continue;
+
+ /* Extend the original range if there is overlap, noting that if oc < c, we
+ can't have od > end because a subrange is always shorter than the basic
+ range. Otherwise, use a recursive call to add the additional range. */
+
+ else if (oc < start && od >= start - 1) start = oc; /* Extend downwards */
+ else if (od > end && oc <= end + 1)
+ {
+ end = od; /* Extend upwards */
+ if (end > classbits_end) classbits_end = (end <= 0xff ? end : 0xff);
+ }
+ else n8 += add_to_class(classbits, uchardptr, options, cd, oc, od);
+ }
+ }
+ else
+#endif /* SUPPORT_UCP */
+
+ /* Not UTF-mode, or no UCP */
+
+ for (c = start; c <= classbits_end; c++)
+ {
+ SETBIT(classbits, cd->fcc[c]);
+ n8++;
+ }
+ }
+
+/* Now handle the original range. Adjust the final value according to the bit
+length - this means that the same lists of (e.g.) horizontal spaces can be used
+in all cases. */
+
+#if defined COMPILE_PCRE8
+#ifdef SUPPORT_UTF
+ if ((options & PCRE_UTF8) == 0)
+#endif
+ if (end > 0xff) end = 0xff;
+
+#elif defined COMPILE_PCRE16
+#ifdef SUPPORT_UTF
+ if ((options & PCRE_UTF16) == 0)
+#endif
+ if (end > 0xffff) end = 0xffff;
+
+#endif /* COMPILE_PCRE[8|16] */
+
+/* Use the bitmap for characters < 256. Otherwise use extra data.*/
+
+for (c = start; c <= classbits_end; c++)
+ {
+ /* Regardless of start, c will always be <= 255. */
+ SETBIT(classbits, c);
+ n8++;
+ }
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+if (start <= 0xff) start = 0xff + 1;
+
+if (end >= start)
+ {
+ pcre_uchar *uchardata = *uchardptr;
+#ifdef SUPPORT_UTF
+ if ((options & PCRE_UTF8) != 0) /* All UTFs use the same flag bit */
+ {
+ if (start < end)
+ {
+ *uchardata++ = XCL_RANGE;
+ uchardata += PRIV(ord2utf)(start, uchardata);
+ uchardata += PRIV(ord2utf)(end, uchardata);
+ }
+ else if (start == end)
+ {
+ *uchardata++ = XCL_SINGLE;
+ uchardata += PRIV(ord2utf)(start, uchardata);
+ }
+ }
+ else
+#endif /* SUPPORT_UTF */
+
+ /* Without UTF support, character values are constrained by the bit length,
+ and can only be > 256 for 16-bit and 32-bit libraries. */
+
+#ifdef COMPILE_PCRE8
+ {}
+#else
+ if (start < end)
+ {
+ *uchardata++ = XCL_RANGE;
+ *uchardata++ = start;
+ *uchardata++ = end;
+ }
+ else if (start == end)
+ {
+ *uchardata++ = XCL_SINGLE;
+ *uchardata++ = start;
+ }
+#endif
+
+ *uchardptr = uchardata; /* Updata extra data pointer */
+ }
+#endif /* SUPPORT_UTF || !COMPILE_PCRE8 */
+
+return n8; /* Number of 8-bit characters */
+}
+
+
+
+
+/*************************************************
+* Add a list of characters to a class *
+*************************************************/
+
+/* This function is used for adding a list of case-equivalent characters to a
+class, and also for adding a list of horizontal or vertical whitespace. If the
+list is in order (which it should be), ranges of characters are detected and
+handled appropriately. This function is mutually recursive with the function
+above.
+
+Arguments:
+ classbits the bit map for characters < 256
+ uchardptr points to the pointer for extra data
+ options the options word
+ cd contains pointers to tables etc.
+ p points to row of 32-bit values, terminated by NOTACHAR
+ except character to omit; this is used when adding lists of
+ case-equivalent characters to avoid including the one we
+ already know about
+
+Returns: the number of < 256 characters added
+ the pointer to extra data is updated
+*/
+
+static int
+add_list_to_class(pcre_uint8 *classbits, pcre_uchar **uchardptr, int options,
+ compile_data *cd, const pcre_uint32 *p, unsigned int except)
+{
+int n8 = 0;
+while (p[0] < NOTACHAR)
+ {
+ int n = 0;
+ if (p[0] != except)
+ {
+ while(p[n+1] == p[0] + n + 1) n++;
+ n8 += add_to_class(classbits, uchardptr, options, cd, p[0], p[n]);
+ }
+ p += n + 1;
+ }
+return n8;
+}
+
+
+
+/*************************************************
+* Add characters not in a list to a class *
+*************************************************/
+
+/* This function is used for adding the complement of a list of horizontal or
+vertical whitespace to a class. The list must be in order.
+
+Arguments:
+ classbits the bit map for characters < 256
+ uchardptr points to the pointer for extra data
+ options the options word
+ cd contains pointers to tables etc.
+ p points to row of 32-bit values, terminated by NOTACHAR
+
+Returns: the number of < 256 characters added
+ the pointer to extra data is updated
+*/
+
+static int
+add_not_list_to_class(pcre_uint8 *classbits, pcre_uchar **uchardptr,
+ int options, compile_data *cd, const pcre_uint32 *p)
+{
+BOOL utf = (options & PCRE_UTF8) != 0;
+int n8 = 0;
+if (p[0] > 0)
+ n8 += add_to_class(classbits, uchardptr, options, cd, 0, p[0] - 1);
+while (p[0] < NOTACHAR)
+ {
+ while (p[1] == p[0] + 1) p++;
+ n8 += add_to_class(classbits, uchardptr, options, cd, p[0] + 1,
+ (p[1] == NOTACHAR) ? (utf ? 0x10ffffu : 0xffffffffu) : p[1] - 1);
+ p++;
+ }
+return n8;
+}
+
+
+
+/*************************************************
+* Compile one branch *
+*************************************************/
+
+/* Scan the pattern, compiling it into the a vector. If the options are
+changed during the branch, the pointer is used to change the external options
+bits. This function is used during the pre-compile phase when we are trying
+to find out the amount of memory needed, as well as during the real compile
+phase. The value of lengthptr distinguishes the two phases.
+
+Arguments:
+ optionsptr pointer to the option bits
+ codeptr points to the pointer to the current code point
+ ptrptr points to the current pattern pointer
+ errorcodeptr points to error code variable
+ firstcharptr place to put the first required character
+ firstcharflagsptr place to put the first character flags, or a negative number
+ reqcharptr place to put the last required character
+ reqcharflagsptr place to put the last required character flags, or a negative number
+ bcptr points to current branch chain
+ cond_depth conditional nesting depth
+ cd contains pointers to tables etc.
+ lengthptr NULL during the real compile phase
+ points to length accumulator during pre-compile phase
+
+Returns: TRUE on success
+ FALSE, with *errorcodeptr set non-zero on error
+*/
+
+static BOOL
+compile_branch(int *optionsptr, pcre_uchar **codeptr,
+ const pcre_uchar **ptrptr, int *errorcodeptr,
+ pcre_uint32 *firstcharptr, pcre_int32 *firstcharflagsptr,
+ pcre_uint32 *reqcharptr, pcre_int32 *reqcharflagsptr,
+ branch_chain *bcptr, int cond_depth,
+ compile_data *cd, int *lengthptr)
+{
+int repeat_type, op_type;
+int repeat_min = 0, repeat_max = 0; /* To please picky compilers */
+int bravalue = 0;
+int greedy_default, greedy_non_default;
+pcre_uint32 firstchar, reqchar;
+pcre_int32 firstcharflags, reqcharflags;
+pcre_uint32 zeroreqchar, zerofirstchar;
+pcre_int32 zeroreqcharflags, zerofirstcharflags;
+pcre_int32 req_caseopt, reqvary, tempreqvary;
+int options = *optionsptr; /* May change dynamically */
+int after_manual_callout = 0;
+int length_prevgroup = 0;
+register pcre_uint32 c;
+int escape;
+register pcre_uchar *code = *codeptr;
+pcre_uchar *last_code = code;
+pcre_uchar *orig_code = code;
+pcre_uchar *tempcode;
+BOOL inescq = FALSE;
+BOOL groupsetfirstchar = FALSE;
+const pcre_uchar *ptr = *ptrptr;
+const pcre_uchar *tempptr;
+const pcre_uchar *nestptr = NULL;
+pcre_uchar *previous = NULL;
+pcre_uchar *previous_callout = NULL;
+size_t item_hwm_offset = 0;
+pcre_uint8 classbits[32];
+
+/* We can fish out the UTF-8 setting once and for all into a BOOL, but we
+must not do this for other options (e.g. PCRE_EXTENDED) because they may change
+dynamically as we process the pattern. */
+
+#ifdef SUPPORT_UTF
+/* PCRE_UTF[16|32] have the same value as PCRE_UTF8. */
+BOOL utf = (options & PCRE_UTF8) != 0;
+#ifndef COMPILE_PCRE32
+pcre_uchar utf_chars[6];
+#endif
+#else
+BOOL utf = FALSE;
+#endif
+
+/* Helper variables for OP_XCLASS opcode (for characters > 255). We define
+class_uchardata always so that it can be passed to add_to_class() always,
+though it will not be used in non-UTF 8-bit cases. This avoids having to supply
+alternative calls for the different cases. */
+
+pcre_uchar *class_uchardata;
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+BOOL xclass;
+pcre_uchar *class_uchardata_base;
+#endif
+
+#ifdef PCRE_DEBUG
+if (lengthptr != NULL) DPRINTF((">> start branch\n"));
+#endif
+
+/* Set up the default and non-default settings for greediness */
+
+greedy_default = ((options & PCRE_UNGREEDY) != 0);
+greedy_non_default = greedy_default ^ 1;
+
+/* Initialize no first byte, no required byte. REQ_UNSET means "no char
+matching encountered yet". It gets changed to REQ_NONE if we hit something that
+matches a non-fixed char first char; reqchar just remains unset if we never
+find one.
+
+When we hit a repeat whose minimum is zero, we may have to adjust these values
+to take the zero repeat into account. This is implemented by setting them to
+zerofirstbyte and zeroreqchar when such a repeat is encountered. The individual
+item types that can be repeated set these backoff variables appropriately. */
+
+firstchar = reqchar = zerofirstchar = zeroreqchar = 0;
+firstcharflags = reqcharflags = zerofirstcharflags = zeroreqcharflags = REQ_UNSET;
+
+/* The variable req_caseopt contains either the REQ_CASELESS value
+or zero, according to the current setting of the caseless flag. The
+REQ_CASELESS leaves the lower 28 bit empty. It is added into the
+firstchar or reqchar variables to record the case status of the
+value. This is used only for ASCII characters. */
+
+req_caseopt = ((options & PCRE_CASELESS) != 0)? REQ_CASELESS:0;
+
+/* Switch on next character until the end of the branch */
+
+for (;; ptr++)
+ {
+ BOOL negate_class;
+ BOOL should_flip_negation;
+ BOOL possessive_quantifier;
+ BOOL is_quantifier;
+ BOOL is_recurse;
+ BOOL reset_bracount;
+ int class_has_8bitchar;
+ int class_one_char;
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ BOOL xclass_has_prop;
+#endif
+ int newoptions;
+ int recno;
+ int refsign;
+ int skipbytes;
+ pcre_uint32 subreqchar, subfirstchar;
+ pcre_int32 subreqcharflags, subfirstcharflags;
+ int terminator;
+ unsigned int mclength;
+ unsigned int tempbracount;
+ pcre_uint32 ec;
+ pcre_uchar mcbuffer[8];
+
+ /* Come here to restart the loop without advancing the pointer. */
+
+ REDO_LOOP:
+
+ /* Get next character in the pattern */
+
+ c = *ptr;
+
+ /* If we are at the end of a nested substitution, revert to the outer level
+ string. Nesting only happens one level deep. */
+
+ if (c == CHAR_NULL && nestptr != NULL)
+ {
+ ptr = nestptr;
+ nestptr = NULL;
+ c = *ptr;
+ }
+
+ /* If we are in the pre-compile phase, accumulate the length used for the
+ previous cycle of this loop. */
+
+ if (lengthptr != NULL)
+ {
+#ifdef PCRE_DEBUG
+ if (code > cd->hwm) cd->hwm = code; /* High water info */
+#endif
+ if (code > cd->start_workspace + cd->workspace_size -
+ WORK_SIZE_SAFETY_MARGIN) /* Check for overrun */
+ {
+ *errorcodeptr = (code >= cd->start_workspace + cd->workspace_size)?
+ ERR52 : ERR87;
+ goto FAILED;
+ }
+
+ /* There is at least one situation where code goes backwards: this is the
+ case of a zero quantifier after a class (e.g. [ab]{0}). At compile time,
+ the class is simply eliminated. However, it is created first, so we have to
+ allow memory for it. Therefore, don't ever reduce the length at this point.
+ */
+
+ if (code < last_code) code = last_code;
+
+ /* Paranoid check for integer overflow */
+
+ if (OFLOW_MAX - *lengthptr < code - last_code)
+ {
+ *errorcodeptr = ERR20;
+ goto FAILED;
+ }
+
+ *lengthptr += (int)(code - last_code);
+ DPRINTF(("length=%d added %d c=%c (0x%x)\n", *lengthptr,
+ (int)(code - last_code), c, c));
+
+ /* If "previous" is set and it is not at the start of the work space, move
+ it back to there, in order to avoid filling up the work space. Otherwise,
+ if "previous" is NULL, reset the current code pointer to the start. */
+
+ if (previous != NULL)
+ {
+ if (previous > orig_code)
+ {
+ memmove(orig_code, previous, IN_UCHARS(code - previous));
+ code -= previous - orig_code;
+ previous = orig_code;
+ }
+ }
+ else code = orig_code;
+
+ /* Remember where this code item starts so we can pick up the length
+ next time round. */
+
+ last_code = code;
+ }
+
+ /* In the real compile phase, just check the workspace used by the forward
+ reference list. */
+
+ else if (cd->hwm > cd->start_workspace + cd->workspace_size)
+ {
+ *errorcodeptr = ERR52;
+ goto FAILED;
+ }
+
+ /* If in \Q...\E, check for the end; if not, we have a literal. Otherwise an
+ isolated \E is ignored. */
+
+ if (c != CHAR_NULL)
+ {
+ if (c == CHAR_BACKSLASH && ptr[1] == CHAR_E)
+ {
+ inescq = FALSE;
+ ptr++;
+ continue;
+ }
+ else if (inescq)
+ {
+ if (previous_callout != NULL)
+ {
+ if (lengthptr == NULL) /* Don't attempt in pre-compile phase */
+ complete_callout(previous_callout, ptr, cd);
+ previous_callout = NULL;
+ }
+ if ((options & PCRE_AUTO_CALLOUT) != 0)
+ {
+ previous_callout = code;
+ code = auto_callout(code, ptr, cd);
+ }
+ goto NORMAL_CHAR;
+ }
+
+ /* Check for the start of a \Q...\E sequence. We must do this here rather
+ than later in case it is immediately followed by \E, which turns it into a
+ "do nothing" sequence. */
+
+ if (c == CHAR_BACKSLASH && ptr[1] == CHAR_Q)
+ {
+ inescq = TRUE;
+ ptr++;
+ continue;
+ }
+ }
+
+ /* In extended mode, skip white space and comments. */
+
+ if ((options & PCRE_EXTENDED) != 0)
+ {
+ const pcre_uchar *wscptr = ptr;
+ while (MAX_255(c) && (cd->ctypes[c] & ctype_space) != 0) c = *(++ptr);
+ if (c == CHAR_NUMBER_SIGN)
+ {
+ ptr++;
+ while (*ptr != CHAR_NULL)
+ {
+ if (IS_NEWLINE(ptr)) /* For non-fixed-length newline cases, */
+ { /* IS_NEWLINE sets cd->nllen. */
+ ptr += cd->nllen;
+ break;
+ }
+ ptr++;
+#ifdef SUPPORT_UTF
+ if (utf) FORWARDCHAR(ptr);
+#endif
+ }
+ }
+
+ /* If we skipped any characters, restart the loop. Otherwise, we didn't see
+ a comment. */
+
+ if (ptr > wscptr) goto REDO_LOOP;
+ }
+
+ /* Skip over (?# comments. We need to do this here because we want to know if
+ the next thing is a quantifier, and these comments may come between an item
+ and its quantifier. */
+
+ if (c == CHAR_LEFT_PARENTHESIS && ptr[1] == CHAR_QUESTION_MARK &&
+ ptr[2] == CHAR_NUMBER_SIGN)
+ {
+ ptr += 3;
+ while (*ptr != CHAR_NULL && *ptr != CHAR_RIGHT_PARENTHESIS) ptr++;
+ if (*ptr == CHAR_NULL)
+ {
+ *errorcodeptr = ERR18;
+ goto FAILED;
+ }
+ continue;
+ }
+
+ /* See if the next thing is a quantifier. */
+
+ is_quantifier =
+ c == CHAR_ASTERISK || c == CHAR_PLUS || c == CHAR_QUESTION_MARK ||
+ (c == CHAR_LEFT_CURLY_BRACKET && is_counted_repeat(ptr+1));
+
+ /* Fill in length of a previous callout, except when the next thing is a
+ quantifier or when processing a property substitution string in UCP mode. */
+
+ if (!is_quantifier && previous_callout != NULL && nestptr == NULL &&
+ after_manual_callout-- <= 0)
+ {
+ if (lengthptr == NULL) /* Don't attempt in pre-compile phase */
+ complete_callout(previous_callout, ptr, cd);
+ previous_callout = NULL;
+ }
+
+ /* Create auto callout, except for quantifiers, or while processing property
+ strings that are substituted for \w etc in UCP mode. */
+
+ if ((options & PCRE_AUTO_CALLOUT) != 0 && !is_quantifier && nestptr == NULL)
+ {
+ previous_callout = code;
+ code = auto_callout(code, ptr, cd);
+ }
+
+ /* Process the next pattern item. */
+
+ switch(c)
+ {
+ /* ===================================================================*/
+ case CHAR_NULL: /* The branch terminates at string end */
+ case CHAR_VERTICAL_LINE: /* or | or ) */
+ case CHAR_RIGHT_PARENTHESIS:
+ *firstcharptr = firstchar;
+ *firstcharflagsptr = firstcharflags;
+ *reqcharptr = reqchar;
+ *reqcharflagsptr = reqcharflags;
+ *codeptr = code;
+ *ptrptr = ptr;
+ if (lengthptr != NULL)
+ {
+ if (OFLOW_MAX - *lengthptr < code - last_code)
+ {
+ *errorcodeptr = ERR20;
+ goto FAILED;
+ }
+ *lengthptr += (int)(code - last_code); /* To include callout length */
+ DPRINTF((">> end branch\n"));
+ }
+ return TRUE;
+
+
+ /* ===================================================================*/
+ /* Handle single-character metacharacters. In multiline mode, ^ disables
+ the setting of any following char as a first character. */
+
+ case CHAR_CIRCUMFLEX_ACCENT:
+ previous = NULL;
+ if ((options & PCRE_MULTILINE) != 0)
+ {
+ if (firstcharflags == REQ_UNSET)
+ zerofirstcharflags = firstcharflags = REQ_NONE;
+ *code++ = OP_CIRCM;
+ }
+ else *code++ = OP_CIRC;
+ break;
+
+ case CHAR_DOLLAR_SIGN:
+ previous = NULL;
+ *code++ = ((options & PCRE_MULTILINE) != 0)? OP_DOLLM : OP_DOLL;
+ break;
+
+ /* There can never be a first char if '.' is first, whatever happens about
+ repeats. The value of reqchar doesn't change either. */
+
+ case CHAR_DOT:
+ if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+ zerofirstchar = firstchar;
+ zerofirstcharflags = firstcharflags;
+ zeroreqchar = reqchar;
+ zeroreqcharflags = reqcharflags;
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ *code++ = ((options & PCRE_DOTALL) != 0)? OP_ALLANY: OP_ANY;
+ break;
+
+
+ /* ===================================================================*/
+ /* Character classes. If the included characters are all < 256, we build a
+ 32-byte bitmap of the permitted characters, except in the special case
+ where there is only one such character. For negated classes, we build the
+ map as usual, then invert it at the end. However, we use a different opcode
+ so that data characters > 255 can be handled correctly.
+
+ If the class contains characters outside the 0-255 range, a different
+ opcode is compiled. It may optionally have a bit map for characters < 256,
+ but those above are are explicitly listed afterwards. A flag byte tells
+ whether the bitmap is present, and whether this is a negated class or not.
+
+ In JavaScript compatibility mode, an isolated ']' causes an error. In
+ default (Perl) mode, it is treated as a data character. */
+
+ case CHAR_RIGHT_SQUARE_BRACKET:
+ if ((cd->external_options & PCRE_JAVASCRIPT_COMPAT) != 0)
+ {
+ *errorcodeptr = ERR64;
+ goto FAILED;
+ }
+ goto NORMAL_CHAR;
+
+ /* In another (POSIX) regex library, the ugly syntax [[:<:]] and [[:>:]] is
+ used for "start of word" and "end of word". As these are otherwise illegal
+ sequences, we don't break anything by recognizing them. They are replaced
+ by \b(?=\w) and \b(?<=\w) respectively. Sequences like [a[:<:]] are
+ erroneous and are handled by the normal code below. */
+
+ case CHAR_LEFT_SQUARE_BRACKET:
+ if (STRNCMP_UC_C8(ptr+1, STRING_WEIRD_STARTWORD, 6) == 0)
+ {
+ nestptr = ptr + 7;
+ ptr = sub_start_of_word;
+ goto REDO_LOOP;
+ }
+
+ if (STRNCMP_UC_C8(ptr+1, STRING_WEIRD_ENDWORD, 6) == 0)
+ {
+ nestptr = ptr + 7;
+ ptr = sub_end_of_word;
+ goto REDO_LOOP;
+ }
+
+ /* Handle a real character class. */
+
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+
+ /* PCRE supports POSIX class stuff inside a class. Perl gives an error if
+ they are encountered at the top level, so we'll do that too. */
+
+ if ((ptr[1] == CHAR_COLON || ptr[1] == CHAR_DOT ||
+ ptr[1] == CHAR_EQUALS_SIGN) &&
+ check_posix_syntax(ptr, &tempptr))
+ {
+ *errorcodeptr = (ptr[1] == CHAR_COLON)? ERR13 : ERR31;
+ goto FAILED;
+ }
+
+ /* If the first character is '^', set the negation flag and skip it. Also,
+ if the first few characters (either before or after ^) are \Q\E or \E we
+ skip them too. This makes for compatibility with Perl. */
+
+ negate_class = FALSE;
+ for (;;)
+ {
+ c = *(++ptr);
+ if (c == CHAR_BACKSLASH)
+ {
+ if (ptr[1] == CHAR_E)
+ ptr++;
+ else if (STRNCMP_UC_C8(ptr + 1, STR_Q STR_BACKSLASH STR_E, 3) == 0)
+ ptr += 3;
+ else
+ break;
+ }
+ else if (!negate_class && c == CHAR_CIRCUMFLEX_ACCENT)
+ negate_class = TRUE;
+ else break;
+ }
+
+ /* Empty classes are allowed in JavaScript compatibility mode. Otherwise,
+ an initial ']' is taken as a data character -- the code below handles
+ that. In JS mode, [] must always fail, so generate OP_FAIL, whereas
+ [^] must match any character, so generate OP_ALLANY. */
+
+ if (c == CHAR_RIGHT_SQUARE_BRACKET &&
+ (cd->external_options & PCRE_JAVASCRIPT_COMPAT) != 0)
+ {
+ *code++ = negate_class? OP_ALLANY : OP_FAIL;
+ if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+ zerofirstchar = firstchar;
+ zerofirstcharflags = firstcharflags;
+ break;
+ }
+
+ /* If a class contains a negative special such as \S, we need to flip the
+ negation flag at the end, so that support for characters > 255 works
+ correctly (they are all included in the class). */
+
+ should_flip_negation = FALSE;
+
+ /* Extended class (xclass) will be used when characters > 255
+ might match. */
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ xclass = FALSE;
+ class_uchardata = code + LINK_SIZE + 2; /* For XCLASS items */
+ class_uchardata_base = class_uchardata; /* Save the start */
+#endif
+
+ /* For optimization purposes, we track some properties of the class:
+ class_has_8bitchar will be non-zero if the class contains at least one <
+ 256 character; class_one_char will be 1 if the class contains just one
+ character; xclass_has_prop will be TRUE if unicode property checks
+ are present in the class. */
+
+ class_has_8bitchar = 0;
+ class_one_char = 0;
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ xclass_has_prop = FALSE;
+#endif
+
+ /* Initialize the 32-char bit map to all zeros. We build the map in a
+ temporary bit of memory, in case the class contains fewer than two
+ 8-bit characters because in that case the compiled code doesn't use the bit
+ map. */
+
+ memset(classbits, 0, 32 * sizeof(pcre_uint8));
+
+ /* Process characters until ] is reached. By writing this as a "do" it
+ means that an initial ] is taken as a data character. At the start of the
+ loop, c contains the first byte of the character. */
+
+ if (c != CHAR_NULL) do
+ {
+ const pcre_uchar *oldptr;
+
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(c))
+ { /* Braces are required because the */
+ GETCHARLEN(c, ptr, ptr); /* macro generates multiple statements */
+ }
+#endif
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ /* In the pre-compile phase, accumulate the length of any extra
+ data and reset the pointer. This is so that very large classes that
+ contain a zillion > 255 characters no longer overwrite the work space
+ (which is on the stack). We have to remember that there was XCLASS data,
+ however. */
+
+ if (class_uchardata > class_uchardata_base) xclass = TRUE;
+
+ if (lengthptr != NULL && class_uchardata > class_uchardata_base)
+ {
+ *lengthptr += (int)(class_uchardata - class_uchardata_base);
+ class_uchardata = class_uchardata_base;
+ }
+#endif
+
+ /* Inside \Q...\E everything is literal except \E */
+
+ if (inescq)
+ {
+ if (c == CHAR_BACKSLASH && ptr[1] == CHAR_E) /* If we are at \E */
+ {
+ inescq = FALSE; /* Reset literal state */
+ ptr++; /* Skip the 'E' */
+ continue; /* Carry on with next */
+ }
+ goto CHECK_RANGE; /* Could be range if \E follows */
+ }
+
+ /* Handle POSIX class names. Perl allows a negation extension of the
+ form [:^name:]. A square bracket that doesn't match the syntax is
+ treated as a literal. We also recognize the POSIX constructions
+ [.ch.] and [=ch=] ("collating elements") and fault them, as Perl
+ 5.6 and 5.8 do. */
+
+ if (c == CHAR_LEFT_SQUARE_BRACKET &&
+ (ptr[1] == CHAR_COLON || ptr[1] == CHAR_DOT ||
+ ptr[1] == CHAR_EQUALS_SIGN) && check_posix_syntax(ptr, &tempptr))
+ {
+ BOOL local_negate = FALSE;
+ int posix_class, taboffset, tabopt;
+ register const pcre_uint8 *cbits = cd->cbits;
+ pcre_uint8 pbits[32];
+
+ if (ptr[1] != CHAR_COLON)
+ {
+ *errorcodeptr = ERR31;
+ goto FAILED;
+ }
+
+ ptr += 2;
+ if (*ptr == CHAR_CIRCUMFLEX_ACCENT)
+ {
+ local_negate = TRUE;
+ should_flip_negation = TRUE; /* Note negative special */
+ ptr++;
+ }
+
+ posix_class = check_posix_name(ptr, (int)(tempptr - ptr));
+ if (posix_class < 0)
+ {
+ *errorcodeptr = ERR30;
+ goto FAILED;
+ }
+
+ /* If matching is caseless, upper and lower are converted to
+ alpha. This relies on the fact that the class table starts with
+ alpha, lower, upper as the first 3 entries. */
+
+ if ((options & PCRE_CASELESS) != 0 && posix_class <= 2)
+ posix_class = 0;
+
+ /* When PCRE_UCP is set, some of the POSIX classes are converted to
+ different escape sequences that use Unicode properties \p or \P. Others
+ that are not available via \p or \P generate XCL_PROP/XCL_NOTPROP
+ directly. */
+
+#ifdef SUPPORT_UCP
+ if ((options & PCRE_UCP) != 0)
+ {
+ unsigned int ptype = 0;
+ int pc = posix_class + ((local_negate)? POSIX_SUBSIZE/2 : 0);
+
+ /* The posix_substitutes table specifies which POSIX classes can be
+ converted to \p or \P items. */
+
+ if (posix_substitutes[pc] != NULL)
+ {
+ nestptr = tempptr + 1;
+ ptr = posix_substitutes[pc] - 1;
+ continue;
+ }
+
+ /* There are three other classes that generate special property calls
+ that are recognized only in an XCLASS. */
+
+ else switch(posix_class)
+ {
+ case PC_GRAPH:
+ ptype = PT_PXGRAPH;
+ /* Fall through */
+ case PC_PRINT:
+ if (ptype == 0) ptype = PT_PXPRINT;
+ /* Fall through */
+ case PC_PUNCT:
+ if (ptype == 0) ptype = PT_PXPUNCT;
+ *class_uchardata++ = local_negate? XCL_NOTPROP : XCL_PROP;
+ *class_uchardata++ = ptype;
+ *class_uchardata++ = 0;
+ xclass_has_prop = TRUE;
+ ptr = tempptr + 1;
+ continue;
+
+ /* For the other POSIX classes (ascii, cntrl, xdigit) we are going
+ to fall through to the non-UCP case and build a bit map for
+ characters with code points less than 256. If we are in a negated
+ POSIX class, characters with code points greater than 255 must
+ either all match or all not match. In the special case where we
+ have not yet generated any xclass data, and this is the final item
+ in the overall class, we need do nothing: later on, the opcode
+ OP_NCLASS will be used to indicate that characters greater than 255
+ are acceptable. If we have already seen an xclass item or one may
+ follow (we have to assume that it might if this is not the end of
+ the class), explicitly list all wide codepoints, which will then
+ either not match or match, depending on whether the class is or is
+ not negated. */
+
+ default:
+ if (local_negate &&
+ (xclass || tempptr[2] != CHAR_RIGHT_SQUARE_BRACKET))
+ {
+ *class_uchardata++ = XCL_RANGE;
+ class_uchardata += PRIV(ord2utf)(0x100, class_uchardata);
+ class_uchardata += PRIV(ord2utf)(0x10ffff, class_uchardata);
+ }
+ break;
+ }
+ }
+#endif
+ /* In the non-UCP case, or when UCP makes no difference, we build the
+ bit map for the POSIX class in a chunk of local store because we may be
+ adding and subtracting from it, and we don't want to subtract bits that
+ may be in the main map already. At the end we or the result into the
+ bit map that is being built. */
+
+ posix_class *= 3;
+
+ /* Copy in the first table (always present) */
+
+ memcpy(pbits, cbits + posix_class_maps[posix_class],
+ 32 * sizeof(pcre_uint8));
+
+ /* If there is a second table, add or remove it as required. */
+
+ taboffset = posix_class_maps[posix_class + 1];
+ tabopt = posix_class_maps[posix_class + 2];
+
+ if (taboffset >= 0)
+ {
+ if (tabopt >= 0)
+ for (c = 0; c < 32; c++) pbits[c] |= cbits[c + taboffset];
+ else
+ for (c = 0; c < 32; c++) pbits[c] &= ~cbits[c + taboffset];
+ }
+
+ /* Now see if we need to remove any special characters. An option
+ value of 1 removes vertical space and 2 removes underscore. */
+
+ if (tabopt < 0) tabopt = -tabopt;
+ if (tabopt == 1) pbits[1] &= ~0x3c;
+ else if (tabopt == 2) pbits[11] &= 0x7f;
+
+ /* Add the POSIX table or its complement into the main table that is
+ being built and we are done. */
+
+ if (local_negate)
+ for (c = 0; c < 32; c++) classbits[c] |= ~pbits[c];
+ else
+ for (c = 0; c < 32; c++) classbits[c] |= pbits[c];
+
+ ptr = tempptr + 1;
+ /* Every class contains at least one < 256 character. */
+ class_has_8bitchar = 1;
+ /* Every class contains at least two characters. */
+ class_one_char = 2;
+ continue; /* End of POSIX syntax handling */
+ }
+
+ /* Backslash may introduce a single character, or it may introduce one
+ of the specials, which just set a flag. The sequence \b is a special
+ case. Inside a class (and only there) it is treated as backspace. We
+ assume that other escapes have more than one character in them, so
+ speculatively set both class_has_8bitchar and class_one_char bigger
+ than one. Unrecognized escapes fall through and are either treated
+ as literal characters (by default), or are faulted if
+ PCRE_EXTRA is set. */
+
+ if (c == CHAR_BACKSLASH)
+ {
+ escape = check_escape(&ptr, &ec, errorcodeptr, cd->bracount, options,
+ TRUE);
+ if (*errorcodeptr != 0) goto FAILED;
+ if (escape == 0) c = ec;
+ else if (escape == ESC_b) c = CHAR_BS; /* \b is backspace in a class */
+ else if (escape == ESC_N) /* \N is not supported in a class */
+ {
+ *errorcodeptr = ERR71;
+ goto FAILED;
+ }
+ else if (escape == ESC_Q) /* Handle start of quoted string */
+ {
+ if (ptr[1] == CHAR_BACKSLASH && ptr[2] == CHAR_E)
+ {
+ ptr += 2; /* avoid empty string */
+ }
+ else inescq = TRUE;
+ continue;
+ }
+ else if (escape == ESC_E) continue; /* Ignore orphan \E */
+
+ else
+ {
+ register const pcre_uint8 *cbits = cd->cbits;
+ /* Every class contains at least two < 256 characters. */
+ class_has_8bitchar++;
+ /* Every class contains at least two characters. */
+ class_one_char += 2;
+
+ switch (escape)
+ {
+#ifdef SUPPORT_UCP
+ case ESC_du: /* These are the values given for \d etc */
+ case ESC_DU: /* when PCRE_UCP is set. We replace the */
+ case ESC_wu: /* escape sequence with an appropriate \p */
+ case ESC_WU: /* or \P to test Unicode properties instead */
+ case ESC_su: /* of the default ASCII testing. */
+ case ESC_SU:
+ nestptr = ptr;
+ ptr = substitutes[escape - ESC_DU] - 1; /* Just before substitute */
+ class_has_8bitchar--; /* Undo! */
+ continue;
+#endif
+ case ESC_d:
+ for (c = 0; c < 32; c++) classbits[c] |= cbits[c+cbit_digit];
+ continue;
+
+ case ESC_D:
+ should_flip_negation = TRUE;
+ for (c = 0; c < 32; c++) classbits[c] |= ~cbits[c+cbit_digit];
+ continue;
+
+ case ESC_w:
+ for (c = 0; c < 32; c++) classbits[c] |= cbits[c+cbit_word];
+ continue;
+
+ case ESC_W:
+ should_flip_negation = TRUE;
+ for (c = 0; c < 32; c++) classbits[c] |= ~cbits[c+cbit_word];
+ continue;
+
+ /* Perl 5.004 onwards omitted VT from \s, but restored it at Perl
+ 5.18. Before PCRE 8.34, we had to preserve the VT bit if it was
+ previously set by something earlier in the character class.
+ Luckily, the value of CHAR_VT is 0x0b in both ASCII and EBCDIC, so
+ we could just adjust the appropriate bit. From PCRE 8.34 we no
+ longer treat \s and \S specially. */
+
+ case ESC_s:
+ for (c = 0; c < 32; c++) classbits[c] |= cbits[c+cbit_space];
+ continue;
+
+ case ESC_S:
+ should_flip_negation = TRUE;
+ for (c = 0; c < 32; c++) classbits[c] |= ~cbits[c+cbit_space];
+ continue;
+
+ /* The rest apply in both UCP and non-UCP cases. */
+
+ case ESC_h:
+ (void)add_list_to_class(classbits, &class_uchardata, options, cd,
+ PRIV(hspace_list), NOTACHAR);
+ continue;
+
+ case ESC_H:
+ (void)add_not_list_to_class(classbits, &class_uchardata, options,
+ cd, PRIV(hspace_list));
+ continue;
+
+ case ESC_v:
+ (void)add_list_to_class(classbits, &class_uchardata, options, cd,
+ PRIV(vspace_list), NOTACHAR);
+ continue;
+
+ case ESC_V:
+ (void)add_not_list_to_class(classbits, &class_uchardata, options,
+ cd, PRIV(vspace_list));
+ continue;
+
+ case ESC_p:
+ case ESC_P:
+#ifdef SUPPORT_UCP
+ {
+ BOOL negated;
+ unsigned int ptype = 0, pdata = 0;
+ if (!get_ucp(&ptr, &negated, &ptype, &pdata, errorcodeptr))
+ goto FAILED;
+ *class_uchardata++ = ((escape == ESC_p) != negated)?
+ XCL_PROP : XCL_NOTPROP;
+ *class_uchardata++ = ptype;
+ *class_uchardata++ = pdata;
+ xclass_has_prop = TRUE;
+ class_has_8bitchar--; /* Undo! */
+ continue;
+ }
+#else
+ *errorcodeptr = ERR45;
+ goto FAILED;
+#endif
+ /* Unrecognized escapes are faulted if PCRE is running in its
+ strict mode. By default, for compatibility with Perl, they are
+ treated as literals. */
+
+ default:
+ if ((options & PCRE_EXTRA) != 0)
+ {
+ *errorcodeptr = ERR7;
+ goto FAILED;
+ }
+ class_has_8bitchar--; /* Undo the speculative increase. */
+ class_one_char -= 2; /* Undo the speculative increase. */
+ c = *ptr; /* Get the final character and fall through */
+ break;
+ }
+ }
+
+ /* Fall through if the escape just defined a single character (c >= 0).
+ This may be greater than 256. */
+
+ escape = 0;
+
+ } /* End of backslash handling */
+
+ /* A character may be followed by '-' to form a range. However, Perl does
+ not permit ']' to be the end of the range. A '-' character at the end is
+ treated as a literal. Perl ignores orphaned \E sequences entirely. The
+ code for handling \Q and \E is messy. */
+
+ CHECK_RANGE:
+ while (ptr[1] == CHAR_BACKSLASH && ptr[2] == CHAR_E)
+ {
+ inescq = FALSE;
+ ptr += 2;
+ }
+ oldptr = ptr;
+
+ /* Remember if \r or \n were explicitly used */
+
+ if (c == CHAR_CR || c == CHAR_NL) cd->external_flags |= PCRE_HASCRORLF;
+
+ /* Check for range */
+
+ if (!inescq && ptr[1] == CHAR_MINUS)
+ {
+ pcre_uint32 d;
+ ptr += 2;
+ while (*ptr == CHAR_BACKSLASH && ptr[1] == CHAR_E) ptr += 2;
+
+ /* If we hit \Q (not followed by \E) at this point, go into escaped
+ mode. */
+
+ while (*ptr == CHAR_BACKSLASH && ptr[1] == CHAR_Q)
+ {
+ ptr += 2;
+ if (*ptr == CHAR_BACKSLASH && ptr[1] == CHAR_E)
+ { ptr += 2; continue; }
+ inescq = TRUE;
+ break;
+ }
+
+ /* Minus (hyphen) at the end of a class is treated as a literal, so put
+ back the pointer and jump to handle the character that preceded it. */
+
+ if (*ptr == CHAR_NULL || (!inescq && *ptr == CHAR_RIGHT_SQUARE_BRACKET))
+ {
+ ptr = oldptr;
+ goto CLASS_SINGLE_CHARACTER;
+ }
+
+ /* Otherwise, we have a potential range; pick up the next character */
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ { /* Braces are required because the */
+ GETCHARLEN(d, ptr, ptr); /* macro generates multiple statements */
+ }
+ else
+#endif
+ d = *ptr; /* Not UTF-8 mode */
+
+ /* The second part of a range can be a single-character escape
+ sequence, but not any of the other escapes. Perl treats a hyphen as a
+ literal in such circumstances. However, in Perl's warning mode, a
+ warning is given, so PCRE now faults it as it is almost certainly a
+ mistake on the user's part. */
+
+ if (!inescq)
+ {
+ if (d == CHAR_BACKSLASH)
+ {
+ int descape;
+ descape = check_escape(&ptr, &d, errorcodeptr, cd->bracount, options, TRUE);
+ if (*errorcodeptr != 0) goto FAILED;
+
+ /* 0 means a character was put into d; \b is backspace; any other
+ special causes an error. */
+
+ if (descape != 0)
+ {
+ if (descape == ESC_b) d = CHAR_BS; else
+ {
+ *errorcodeptr = ERR83;
+ goto FAILED;
+ }
+ }
+ }
+
+ /* A hyphen followed by a POSIX class is treated in the same way. */
+
+ else if (d == CHAR_LEFT_SQUARE_BRACKET &&
+ (ptr[1] == CHAR_COLON || ptr[1] == CHAR_DOT ||
+ ptr[1] == CHAR_EQUALS_SIGN) &&
+ check_posix_syntax(ptr, &tempptr))
+ {
+ *errorcodeptr = ERR83;
+ goto FAILED;
+ }
+ }
+
+ /* Check that the two values are in the correct order. Optimize
+ one-character ranges. */
+
+ if (d < c)
+ {
+ *errorcodeptr = ERR8;
+ goto FAILED;
+ }
+ if (d == c) goto CLASS_SINGLE_CHARACTER; /* A few lines below */
+
+ /* We have found a character range, so single character optimizations
+ cannot be done anymore. Any value greater than 1 indicates that there
+ is more than one character. */
+
+ class_one_char = 2;
+
+ /* Remember an explicit \r or \n, and add the range to the class. */
+
+ if (d == CHAR_CR || d == CHAR_NL) cd->external_flags |= PCRE_HASCRORLF;
+
+ class_has_8bitchar +=
+ add_to_class(classbits, &class_uchardata, options, cd, c, d);
+
+ continue; /* Go get the next char in the class */
+ }
+
+ /* Handle a single character - we can get here for a normal non-escape
+ char, or after \ that introduces a single character or for an apparent
+ range that isn't. Only the value 1 matters for class_one_char, so don't
+ increase it if it is already 2 or more ... just in case there's a class
+ with a zillion characters in it. */
+
+ CLASS_SINGLE_CHARACTER:
+ if (class_one_char < 2) class_one_char++;
+
+ /* If xclass_has_prop is false and class_one_char is 1, we have the first
+ single character in the class, and there have been no prior ranges, or
+ XCLASS items generated by escapes. If this is the final character in the
+ class, we can optimize by turning the item into a 1-character OP_CHAR[I]
+ if it's positive, or OP_NOT[I] if it's negative. In the positive case, it
+ can cause firstchar to be set. Otherwise, there can be no first char if
+ this item is first, whatever repeat count may follow. In the case of
+ reqchar, save the previous value for reinstating. */
+
+ if (!inescq &&
+#ifdef SUPPORT_UCP
+ !xclass_has_prop &&
+#endif
+ class_one_char == 1 && ptr[1] == CHAR_RIGHT_SQUARE_BRACKET)
+ {
+ ptr++;
+ zeroreqchar = reqchar;
+ zeroreqcharflags = reqcharflags;
+
+ if (negate_class)
+ {
+#ifdef SUPPORT_UCP
+ int d;
+#endif
+ if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+ zerofirstchar = firstchar;
+ zerofirstcharflags = firstcharflags;
+
+ /* For caseless UTF-8 mode when UCP support is available, check
+ whether this character has more than one other case. If so, generate
+ a special OP_NOTPROP item instead of OP_NOTI. */
+
+#ifdef SUPPORT_UCP
+ if (utf && (options & PCRE_CASELESS) != 0 &&
+ (d = UCD_CASESET(c)) != 0)
+ {
+ *code++ = OP_NOTPROP;
+ *code++ = PT_CLIST;
+ *code++ = d;
+ }
+ else
+#endif
+ /* Char has only one other case, or UCP not available */
+
+ {
+ *code++ = ((options & PCRE_CASELESS) != 0)? OP_NOTI: OP_NOT;
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf && c > MAX_VALUE_FOR_SINGLE_CHAR)
+ code += PRIV(ord2utf)(c, code);
+ else
+#endif
+ *code++ = c;
+ }
+
+ /* We are finished with this character class */
+
+ goto END_CLASS;
+ }
+
+ /* For a single, positive character, get the value into mcbuffer, and
+ then we can handle this with the normal one-character code. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf && c > MAX_VALUE_FOR_SINGLE_CHAR)
+ mclength = PRIV(ord2utf)(c, mcbuffer);
+ else
+#endif
+ {
+ mcbuffer[0] = c;
+ mclength = 1;
+ }
+ goto ONE_CHAR;
+ } /* End of 1-char optimization */
+
+ /* There is more than one character in the class, or an XCLASS item
+ has been generated. Add this character to the class. */
+
+ class_has_8bitchar +=
+ add_to_class(classbits, &class_uchardata, options, cd, c, c);
+ }
+
+ /* Loop until ']' reached. This "while" is the end of the "do" far above.
+ If we are at the end of an internal nested string, revert to the outer
+ string. */
+
+ while (((c = *(++ptr)) != CHAR_NULL ||
+ (nestptr != NULL &&
+ (ptr = nestptr, nestptr = NULL, c = *(++ptr)) != CHAR_NULL)) &&
+ (c != CHAR_RIGHT_SQUARE_BRACKET || inescq));
+
+ /* Check for missing terminating ']' */
+
+ if (c == CHAR_NULL)
+ {
+ *errorcodeptr = ERR6;
+ goto FAILED;
+ }
+
+ /* We will need an XCLASS if data has been placed in class_uchardata. In
+ the second phase this is a sufficient test. However, in the pre-compile
+ phase, class_uchardata gets emptied to prevent workspace overflow, so it
+ only if the very last character in the class needs XCLASS will it contain
+ anything at this point. For this reason, xclass gets set TRUE above when
+ uchar_classdata is emptied, and that's why this code is the way it is here
+ instead of just doing a test on class_uchardata below. */
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ if (class_uchardata > class_uchardata_base) xclass = TRUE;
+#endif
+
+ /* If this is the first thing in the branch, there can be no first char
+ setting, whatever the repeat count. Any reqchar setting must remain
+ unchanged after any kind of repeat. */
+
+ if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+ zerofirstchar = firstchar;
+ zerofirstcharflags = firstcharflags;
+ zeroreqchar = reqchar;
+ zeroreqcharflags = reqcharflags;
+
+ /* If there are characters with values > 255, we have to compile an
+ extended class, with its own opcode, unless there was a negated special
+ such as \S in the class, and PCRE_UCP is not set, because in that case all
+ characters > 255 are in the class, so any that were explicitly given as
+ well can be ignored. If (when there are explicit characters > 255 that must
+ be listed) there are no characters < 256, we can omit the bitmap in the
+ actual compiled code. */
+
+#ifdef SUPPORT_UTF
+ if (xclass && (xclass_has_prop || !should_flip_negation ||
+ (options & PCRE_UCP) != 0))
+#elif !defined COMPILE_PCRE8
+ if (xclass && (xclass_has_prop || !should_flip_negation))
+#endif
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ {
+ /* For non-UCP wide characters, in a non-negative class containing \S or
+ similar (should_flip_negation is set), all characters greater than 255
+ must be in the class. */
+
+ if (
+#if defined COMPILE_PCRE8
+ utf &&
+#endif
+ should_flip_negation && !negate_class && (options & PCRE_UCP) == 0)
+ {
+ *class_uchardata++ = XCL_RANGE;
+ if (utf) /* Will always be utf in the 8-bit library */
+ {
+ class_uchardata += PRIV(ord2utf)(0x100, class_uchardata);
+ class_uchardata += PRIV(ord2utf)(0x10ffff, class_uchardata);
+ }
+ else /* Can only happen for the 16-bit & 32-bit libraries */
+ {
+#if defined COMPILE_PCRE16
+ *class_uchardata++ = 0x100;
+ *class_uchardata++ = 0xffffu;
+#elif defined COMPILE_PCRE32
+ *class_uchardata++ = 0x100;
+ *class_uchardata++ = 0xffffffffu;
+#endif
+ }
+ }
+
+ *class_uchardata++ = XCL_END; /* Marks the end of extra data */
+ *code++ = OP_XCLASS;
+ code += LINK_SIZE;
+ *code = negate_class? XCL_NOT:0;
+ if (xclass_has_prop) *code |= XCL_HASPROP;
+
+ /* If the map is required, move up the extra data to make room for it;
+ otherwise just move the code pointer to the end of the extra data. */
+
+ if (class_has_8bitchar > 0)
+ {
+ *code++ |= XCL_MAP;
+ memmove(code + (32 / sizeof(pcre_uchar)), code,
+ IN_UCHARS(class_uchardata - code));
+ if (negate_class && !xclass_has_prop)
+ for (c = 0; c < 32; c++) classbits[c] = ~classbits[c];
+ memcpy(code, classbits, 32);
+ code = class_uchardata + (32 / sizeof(pcre_uchar));
+ }
+ else code = class_uchardata;
+
+ /* Now fill in the complete length of the item */
+
+ PUT(previous, 1, (int)(code - previous));
+ break; /* End of class handling */
+ }
+
+ /* Even though any XCLASS list is now discarded, we must allow for
+ its memory. */
+
+ if (lengthptr != NULL)
+ *lengthptr += (int)(class_uchardata - class_uchardata_base);
+#endif
+
+ /* If there are no characters > 255, or they are all to be included or
+ excluded, set the opcode to OP_CLASS or OP_NCLASS, depending on whether the
+ whole class was negated and whether there were negative specials such as \S
+ (non-UCP) in the class. Then copy the 32-byte map into the code vector,
+ negating it if necessary. */
+
+ *code++ = (negate_class == should_flip_negation) ? OP_CLASS : OP_NCLASS;
+ if (lengthptr == NULL) /* Save time in the pre-compile phase */
+ {
+ if (negate_class)
+ for (c = 0; c < 32; c++) classbits[c] = ~classbits[c];
+ memcpy(code, classbits, 32);
+ }
+ code += 32 / sizeof(pcre_uchar);
+
+ END_CLASS:
+ break;
+
+
+ /* ===================================================================*/
+ /* Various kinds of repeat; '{' is not necessarily a quantifier, but this
+ has been tested above. */
+
+ case CHAR_LEFT_CURLY_BRACKET:
+ if (!is_quantifier) goto NORMAL_CHAR;
+ ptr = read_repeat_counts(ptr+1, &repeat_min, &repeat_max, errorcodeptr);
+ if (*errorcodeptr != 0) goto FAILED;
+ goto REPEAT;
+
+ case CHAR_ASTERISK:
+ repeat_min = 0;
+ repeat_max = -1;
+ goto REPEAT;
+
+ case CHAR_PLUS:
+ repeat_min = 1;
+ repeat_max = -1;
+ goto REPEAT;
+
+ case CHAR_QUESTION_MARK:
+ repeat_min = 0;
+ repeat_max = 1;
+
+ REPEAT:
+ if (previous == NULL)
+ {
+ *errorcodeptr = ERR9;
+ goto FAILED;
+ }
+
+ if (repeat_min == 0)
+ {
+ firstchar = zerofirstchar; /* Adjust for zero repeat */
+ firstcharflags = zerofirstcharflags;
+ reqchar = zeroreqchar; /* Ditto */
+ reqcharflags = zeroreqcharflags;
+ }
+
+ /* Remember whether this is a variable length repeat */
+
+ reqvary = (repeat_min == repeat_max)? 0 : REQ_VARY;
+
+ op_type = 0; /* Default single-char op codes */
+ possessive_quantifier = FALSE; /* Default not possessive quantifier */
+
+ /* Save start of previous item, in case we have to move it up in order to
+ insert something before it. */
+
+ tempcode = previous;
+
+ /* Before checking for a possessive quantifier, we must skip over
+ whitespace and comments in extended mode because Perl allows white space at
+ this point. */
+
+ if ((options & PCRE_EXTENDED) != 0)
+ {
+ const pcre_uchar *p = ptr + 1;
+ for (;;)
+ {
+ while (MAX_255(*p) && (cd->ctypes[*p] & ctype_space) != 0) p++;
+ if (*p != CHAR_NUMBER_SIGN) break;
+ p++;
+ while (*p != CHAR_NULL)
+ {
+ if (IS_NEWLINE(p)) /* For non-fixed-length newline cases, */
+ { /* IS_NEWLINE sets cd->nllen. */
+ p += cd->nllen;
+ break;
+ }
+ p++;
+#ifdef SUPPORT_UTF
+ if (utf) FORWARDCHAR(p);
+#endif
+ } /* Loop for comment characters */
+ } /* Loop for multiple comments */
+ ptr = p - 1; /* Character before the next significant one. */
+ }
+
+ /* We also need to skip over (?# comments, which are not dependent on
+ extended mode. */
+
+ if (ptr[1] == CHAR_LEFT_PARENTHESIS && ptr[2] == CHAR_QUESTION_MARK &&
+ ptr[3] == CHAR_NUMBER_SIGN)
+ {
+ ptr += 4;
+ while (*ptr != CHAR_NULL && *ptr != CHAR_RIGHT_PARENTHESIS) ptr++;
+ if (*ptr == CHAR_NULL)
+ {
+ *errorcodeptr = ERR18;
+ goto FAILED;
+ }
+ }
+
+ /* If the next character is '+', we have a possessive quantifier. This
+ implies greediness, whatever the setting of the PCRE_UNGREEDY option.
+ If the next character is '?' this is a minimizing repeat, by default,
+ but if PCRE_UNGREEDY is set, it works the other way round. We change the
+ repeat type to the non-default. */
+
+ if (ptr[1] == CHAR_PLUS)
+ {
+ repeat_type = 0; /* Force greedy */
+ possessive_quantifier = TRUE;
+ ptr++;
+ }
+ else if (ptr[1] == CHAR_QUESTION_MARK)
+ {
+ repeat_type = greedy_non_default;
+ ptr++;
+ }
+ else repeat_type = greedy_default;
+
+ /* If previous was a recursion call, wrap it in atomic brackets so that
+ previous becomes the atomic group. All recursions were so wrapped in the
+ past, but it no longer happens for non-repeated recursions. In fact, the
+ repeated ones could be re-implemented independently so as not to need this,
+ but for the moment we rely on the code for repeating groups. */
+
+ if (*previous == OP_RECURSE)
+ {
+ memmove(previous + 1 + LINK_SIZE, previous, IN_UCHARS(1 + LINK_SIZE));
+ *previous = OP_ONCE;
+ PUT(previous, 1, 2 + 2*LINK_SIZE);
+ previous[2 + 2*LINK_SIZE] = OP_KET;
+ PUT(previous, 3 + 2*LINK_SIZE, 2 + 2*LINK_SIZE);
+ code += 2 + 2 * LINK_SIZE;
+ length_prevgroup = 3 + 3*LINK_SIZE;
+
+ /* When actually compiling, we need to check whether this was a forward
+ reference, and if so, adjust the offset. */
+
+ if (lengthptr == NULL && cd->hwm >= cd->start_workspace + LINK_SIZE)
+ {
+ int offset = GET(cd->hwm, -LINK_SIZE);
+ if (offset == previous + 1 - cd->start_code)
+ PUT(cd->hwm, -LINK_SIZE, offset + 1 + LINK_SIZE);
+ }
+ }
+
+ /* Now handle repetition for the different types of item. */
+
+ /* If previous was a character or negated character match, abolish the item
+ and generate a repeat item instead. If a char item has a minimum of more
+ than one, ensure that it is set in reqchar - it might not be if a sequence
+ such as x{3} is the first thing in a branch because the x will have gone
+ into firstchar instead. */
+
+ if (*previous == OP_CHAR || *previous == OP_CHARI
+ || *previous == OP_NOT || *previous == OP_NOTI)
+ {
+ switch (*previous)
+ {
+ default: /* Make compiler happy. */
+ case OP_CHAR: op_type = OP_STAR - OP_STAR; break;
+ case OP_CHARI: op_type = OP_STARI - OP_STAR; break;
+ case OP_NOT: op_type = OP_NOTSTAR - OP_STAR; break;
+ case OP_NOTI: op_type = OP_NOTSTARI - OP_STAR; break;
+ }
+
+ /* Deal with UTF characters that take up more than one character. It's
+ easier to write this out separately than try to macrify it. Use c to
+ hold the length of the character in bytes, plus UTF_LENGTH to flag that
+ it's a length rather than a small character. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf && NOT_FIRSTCHAR(code[-1]))
+ {
+ pcre_uchar *lastchar = code - 1;
+ BACKCHAR(lastchar);
+ c = (int)(code - lastchar); /* Length of UTF-8 character */
+ memcpy(utf_chars, lastchar, IN_UCHARS(c)); /* Save the char */
+ c |= UTF_LENGTH; /* Flag c as a length */
+ }
+ else
+#endif /* SUPPORT_UTF */
+
+ /* Handle the case of a single charater - either with no UTF support, or
+ with UTF disabled, or for a single character UTF character. */
+ {
+ c = code[-1];
+ if (*previous <= OP_CHARI && repeat_min > 1)
+ {
+ reqchar = c;
+ reqcharflags = req_caseopt | cd->req_varyopt;
+ }
+ }
+
+ goto OUTPUT_SINGLE_REPEAT; /* Code shared with single character types */
+ }
+
+ /* If previous was a character type match (\d or similar), abolish it and
+ create a suitable repeat item. The code is shared with single-character
+ repeats by setting op_type to add a suitable offset into repeat_type. Note
+ the the Unicode property types will be present only when SUPPORT_UCP is
+ defined, but we don't wrap the little bits of code here because it just
+ makes it horribly messy. */
+
+ else if (*previous < OP_EODN)
+ {
+ pcre_uchar *oldcode;
+ int prop_type, prop_value;
+ op_type = OP_TYPESTAR - OP_STAR; /* Use type opcodes */
+ c = *previous;
+
+ OUTPUT_SINGLE_REPEAT:
+ if (*previous == OP_PROP || *previous == OP_NOTPROP)
+ {
+ prop_type = previous[1];
+ prop_value = previous[2];
+ }
+ else prop_type = prop_value = -1;
+
+ oldcode = code;
+ code = previous; /* Usually overwrite previous item */
+
+ /* If the maximum is zero then the minimum must also be zero; Perl allows
+ this case, so we do too - by simply omitting the item altogether. */
+
+ if (repeat_max == 0) goto END_REPEAT;
+
+ /* Combine the op_type with the repeat_type */
+
+ repeat_type += op_type;
+
+ /* A minimum of zero is handled either as the special case * or ?, or as
+ an UPTO, with the maximum given. */
+
+ if (repeat_min == 0)
+ {
+ if (repeat_max == -1) *code++ = OP_STAR + repeat_type;
+ else if (repeat_max == 1) *code++ = OP_QUERY + repeat_type;
+ else
+ {
+ *code++ = OP_UPTO + repeat_type;
+ PUT2INC(code, 0, repeat_max);
+ }
+ }
+
+ /* A repeat minimum of 1 is optimized into some special cases. If the
+ maximum is unlimited, we use OP_PLUS. Otherwise, the original item is
+ left in place and, if the maximum is greater than 1, we use OP_UPTO with
+ one less than the maximum. */
+
+ else if (repeat_min == 1)
+ {
+ if (repeat_max == -1)
+ *code++ = OP_PLUS + repeat_type;
+ else
+ {
+ code = oldcode; /* leave previous item in place */
+ if (repeat_max == 1) goto END_REPEAT;
+ *code++ = OP_UPTO + repeat_type;
+ PUT2INC(code, 0, repeat_max - 1);
+ }
+ }
+
+ /* The case {n,n} is just an EXACT, while the general case {n,m} is
+ handled as an EXACT followed by an UPTO. */
+
+ else
+ {
+ *code++ = OP_EXACT + op_type; /* NB EXACT doesn't have repeat_type */
+ PUT2INC(code, 0, repeat_min);
+
+ /* If the maximum is unlimited, insert an OP_STAR. Before doing so,
+ we have to insert the character for the previous code. For a repeated
+ Unicode property match, there are two extra bytes that define the
+ required property. In UTF-8 mode, long characters have their length in
+ c, with the UTF_LENGTH bit as a flag. */
+
+ if (repeat_max < 0)
+ {
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf && (c & UTF_LENGTH) != 0)
+ {
+ memcpy(code, utf_chars, IN_UCHARS(c & 7));
+ code += c & 7;
+ }
+ else
+#endif
+ {
+ *code++ = c;
+ if (prop_type >= 0)
+ {
+ *code++ = prop_type;
+ *code++ = prop_value;
+ }
+ }
+ *code++ = OP_STAR + repeat_type;
+ }
+
+ /* Else insert an UPTO if the max is greater than the min, again
+ preceded by the character, for the previously inserted code. If the
+ UPTO is just for 1 instance, we can use QUERY instead. */
+
+ else if (repeat_max != repeat_min)
+ {
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf && (c & UTF_LENGTH) != 0)
+ {
+ memcpy(code, utf_chars, IN_UCHARS(c & 7));
+ code += c & 7;
+ }
+ else
+#endif
+ *code++ = c;
+ if (prop_type >= 0)
+ {
+ *code++ = prop_type;
+ *code++ = prop_value;
+ }
+ repeat_max -= repeat_min;
+
+ if (repeat_max == 1)
+ {
+ *code++ = OP_QUERY + repeat_type;
+ }
+ else
+ {
+ *code++ = OP_UPTO + repeat_type;
+ PUT2INC(code, 0, repeat_max);
+ }
+ }
+ }
+
+ /* The character or character type itself comes last in all cases. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf && (c & UTF_LENGTH) != 0)
+ {
+ memcpy(code, utf_chars, IN_UCHARS(c & 7));
+ code += c & 7;
+ }
+ else
+#endif
+ *code++ = c;
+
+ /* For a repeated Unicode property match, there are two extra bytes that
+ define the required property. */
+
+#ifdef SUPPORT_UCP
+ if (prop_type >= 0)
+ {
+ *code++ = prop_type;
+ *code++ = prop_value;
+ }
+#endif
+ }
+
+ /* If previous was a character class or a back reference, we put the repeat
+ stuff after it, but just skip the item if the repeat was {0,0}. */
+
+ else if (*previous == OP_CLASS || *previous == OP_NCLASS ||
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ *previous == OP_XCLASS ||
+#endif
+ *previous == OP_REF || *previous == OP_REFI ||
+ *previous == OP_DNREF || *previous == OP_DNREFI)
+ {
+ if (repeat_max == 0)
+ {
+ code = previous;
+ goto END_REPEAT;
+ }
+
+ if (repeat_min == 0 && repeat_max == -1)
+ *code++ = OP_CRSTAR + repeat_type;
+ else if (repeat_min == 1 && repeat_max == -1)
+ *code++ = OP_CRPLUS + repeat_type;
+ else if (repeat_min == 0 && repeat_max == 1)
+ *code++ = OP_CRQUERY + repeat_type;
+ else
+ {
+ *code++ = OP_CRRANGE + repeat_type;
+ PUT2INC(code, 0, repeat_min);
+ if (repeat_max == -1) repeat_max = 0; /* 2-byte encoding for max */
+ PUT2INC(code, 0, repeat_max);
+ }
+ }
+
+ /* If previous was a bracket group, we may have to replicate it in certain
+ cases. Note that at this point we can encounter only the "basic" bracket
+ opcodes such as BRA and CBRA, as this is the place where they get converted
+ into the more special varieties such as BRAPOS and SBRA. A test for >=
+ OP_ASSERT and <= OP_COND includes ASSERT, ASSERT_NOT, ASSERTBACK,
+ ASSERTBACK_NOT, ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND.
+ Originally, PCRE did not allow repetition of assertions, but now it does,
+ for Perl compatibility. */
+
+ else if (*previous >= OP_ASSERT && *previous <= OP_COND)
+ {
+ register int i;
+ int len = (int)(code - previous);
+ size_t base_hwm_offset = item_hwm_offset;
+ pcre_uchar *bralink = NULL;
+ pcre_uchar *brazeroptr = NULL;
+
+ /* Repeating a DEFINE group is pointless, but Perl allows the syntax, so
+ we just ignore the repeat. */
+
+ if (*previous == OP_COND && previous[LINK_SIZE+1] == OP_DEF)
+ goto END_REPEAT;
+
+ /* There is no sense in actually repeating assertions. The only potential
+ use of repetition is in cases when the assertion is optional. Therefore,
+ if the minimum is greater than zero, just ignore the repeat. If the
+ maximum is not zero or one, set it to 1. */
+
+ if (*previous < OP_ONCE) /* Assertion */
+ {
+ if (repeat_min > 0) goto END_REPEAT;
+ if (repeat_max < 0 || repeat_max > 1) repeat_max = 1;
+ }
+
+ /* The case of a zero minimum is special because of the need to stick
+ OP_BRAZERO in front of it, and because the group appears once in the
+ data, whereas in other cases it appears the minimum number of times. For
+ this reason, it is simplest to treat this case separately, as otherwise
+ the code gets far too messy. There are several special subcases when the
+ minimum is zero. */
+
+ if (repeat_min == 0)
+ {
+ /* If the maximum is also zero, we used to just omit the group from the
+ output altogether, like this:
+
+ ** if (repeat_max == 0)
+ ** {
+ ** code = previous;
+ ** goto END_REPEAT;
+ ** }
+
+ However, that fails when a group or a subgroup within it is referenced
+ as a subroutine from elsewhere in the pattern, so now we stick in
+ OP_SKIPZERO in front of it so that it is skipped on execution. As we
+ don't have a list of which groups are referenced, we cannot do this
+ selectively.
+
+ If the maximum is 1 or unlimited, we just have to stick in the BRAZERO
+ and do no more at this point. However, we do need to adjust any
+ OP_RECURSE calls inside the group that refer to the group itself or any
+ internal or forward referenced group, because the offset is from the
+ start of the whole regex. Temporarily terminate the pattern while doing
+ this. */
+
+ if (repeat_max <= 1) /* Covers 0, 1, and unlimited */
+ {
+ *code = OP_END;
+ adjust_recurse(previous, 1, utf, cd, item_hwm_offset);
+ memmove(previous + 1, previous, IN_UCHARS(len));
+ code++;
+ if (repeat_max == 0)
+ {
+ *previous++ = OP_SKIPZERO;
+ goto END_REPEAT;
+ }
+ brazeroptr = previous; /* Save for possessive optimizing */
+ *previous++ = OP_BRAZERO + repeat_type;
+ }
+
+ /* If the maximum is greater than 1 and limited, we have to replicate
+ in a nested fashion, sticking OP_BRAZERO before each set of brackets.
+ The first one has to be handled carefully because it's the original
+ copy, which has to be moved up. The remainder can be handled by code
+ that is common with the non-zero minimum case below. We have to
+ adjust the value or repeat_max, since one less copy is required. Once
+ again, we may have to adjust any OP_RECURSE calls inside the group. */
+
+ else
+ {
+ int offset;
+ *code = OP_END;
+ adjust_recurse(previous, 2 + LINK_SIZE, utf, cd, item_hwm_offset);
+ memmove(previous + 2 + LINK_SIZE, previous, IN_UCHARS(len));
+ code += 2 + LINK_SIZE;
+ *previous++ = OP_BRAZERO + repeat_type;
+ *previous++ = OP_BRA;
+
+ /* We chain together the bracket offset fields that have to be
+ filled in later when the ends of the brackets are reached. */
+
+ offset = (bralink == NULL)? 0 : (int)(previous - bralink);
+ bralink = previous;
+ PUTINC(previous, 0, offset);
+ }
+
+ repeat_max--;
+ }
+
+ /* If the minimum is greater than zero, replicate the group as many
+ times as necessary, and adjust the maximum to the number of subsequent
+ copies that we need. If we set a first char from the group, and didn't
+ set a required char, copy the latter from the former. If there are any
+ forward reference subroutine calls in the group, there will be entries on
+ the workspace list; replicate these with an appropriate increment. */
+
+ else
+ {
+ if (repeat_min > 1)
+ {
+ /* In the pre-compile phase, we don't actually do the replication. We
+ just adjust the length as if we had. Do some paranoid checks for
+ potential integer overflow. The INT64_OR_DOUBLE type is a 64-bit
+ integer type when available, otherwise double. */
+
+ if (lengthptr != NULL)
+ {
+ int delta = (repeat_min - 1)*length_prevgroup;
+ if ((INT64_OR_DOUBLE)(repeat_min - 1)*
+ (INT64_OR_DOUBLE)length_prevgroup >
+ (INT64_OR_DOUBLE)INT_MAX ||
+ OFLOW_MAX - *lengthptr < delta)
+ {
+ *errorcodeptr = ERR20;
+ goto FAILED;
+ }
+ *lengthptr += delta;
+ }
+
+ /* This is compiling for real. If there is a set first byte for
+ the group, and we have not yet set a "required byte", set it. Make
+ sure there is enough workspace for copying forward references before
+ doing the copy. */
+
+ else
+ {
+ if (groupsetfirstchar && reqcharflags < 0)
+ {
+ reqchar = firstchar;
+ reqcharflags = firstcharflags;
+ }
+
+ for (i = 1; i < repeat_min; i++)
+ {
+ pcre_uchar *hc;
+ size_t this_hwm_offset = cd->hwm - cd->start_workspace;
+ memcpy(code, previous, IN_UCHARS(len));
+
+ while (cd->hwm > cd->start_workspace + cd->workspace_size -
+ WORK_SIZE_SAFETY_MARGIN -
+ (this_hwm_offset - base_hwm_offset))
+ {
+ *errorcodeptr = expand_workspace(cd);
+ if (*errorcodeptr != 0) goto FAILED;
+ }
+
+ for (hc = (pcre_uchar *)cd->start_workspace + base_hwm_offset;
+ hc < (pcre_uchar *)cd->start_workspace + this_hwm_offset;
+ hc += LINK_SIZE)
+ {
+ PUT(cd->hwm, 0, GET(hc, 0) + len);
+ cd->hwm += LINK_SIZE;
+ }
+ base_hwm_offset = this_hwm_offset;
+ code += len;
+ }
+ }
+ }
+
+ if (repeat_max > 0) repeat_max -= repeat_min;
+ }
+
+ /* This code is common to both the zero and non-zero minimum cases. If
+ the maximum is limited, it replicates the group in a nested fashion,
+ remembering the bracket starts on a stack. In the case of a zero minimum,
+ the first one was set up above. In all cases the repeat_max now specifies
+ the number of additional copies needed. Again, we must remember to
+ replicate entries on the forward reference list. */
+
+ if (repeat_max >= 0)
+ {
+ /* In the pre-compile phase, we don't actually do the replication. We
+ just adjust the length as if we had. For each repetition we must add 1
+ to the length for BRAZERO and for all but the last repetition we must
+ add 2 + 2*LINKSIZE to allow for the nesting that occurs. Do some
+ paranoid checks to avoid integer overflow. The INT64_OR_DOUBLE type is
+ a 64-bit integer type when available, otherwise double. */
+
+ if (lengthptr != NULL && repeat_max > 0)
+ {
+ int delta = repeat_max * (length_prevgroup + 1 + 2 + 2*LINK_SIZE) -
+ 2 - 2*LINK_SIZE; /* Last one doesn't nest */
+ if ((INT64_OR_DOUBLE)repeat_max *
+ (INT64_OR_DOUBLE)(length_prevgroup + 1 + 2 + 2*LINK_SIZE)
+ > (INT64_OR_DOUBLE)INT_MAX ||
+ OFLOW_MAX - *lengthptr < delta)
+ {
+ *errorcodeptr = ERR20;
+ goto FAILED;
+ }
+ *lengthptr += delta;
+ }
+
+ /* This is compiling for real */
+
+ else for (i = repeat_max - 1; i >= 0; i--)
+ {
+ pcre_uchar *hc;
+ size_t this_hwm_offset = cd->hwm - cd->start_workspace;
+
+ *code++ = OP_BRAZERO + repeat_type;
+
+ /* All but the final copy start a new nesting, maintaining the
+ chain of brackets outstanding. */
+
+ if (i != 0)
+ {
+ int offset;
+ *code++ = OP_BRA;
+ offset = (bralink == NULL)? 0 : (int)(code - bralink);
+ bralink = code;
+ PUTINC(code, 0, offset);
+ }
+
+ memcpy(code, previous, IN_UCHARS(len));
+
+ /* Ensure there is enough workspace for forward references before
+ copying them. */
+
+ while (cd->hwm > cd->start_workspace + cd->workspace_size -
+ WORK_SIZE_SAFETY_MARGIN -
+ (this_hwm_offset - base_hwm_offset))
+ {
+ *errorcodeptr = expand_workspace(cd);
+ if (*errorcodeptr != 0) goto FAILED;
+ }
+
+ for (hc = (pcre_uchar *)cd->start_workspace + base_hwm_offset;
+ hc < (pcre_uchar *)cd->start_workspace + this_hwm_offset;
+ hc += LINK_SIZE)
+ {
+ PUT(cd->hwm, 0, GET(hc, 0) + len + ((i != 0)? 2+LINK_SIZE : 1));
+ cd->hwm += LINK_SIZE;
+ }
+ base_hwm_offset = this_hwm_offset;
+ code += len;
+ }
+
+ /* Now chain through the pending brackets, and fill in their length
+ fields (which are holding the chain links pro tem). */
+
+ while (bralink != NULL)
+ {
+ int oldlinkoffset;
+ int offset = (int)(code - bralink + 1);
+ pcre_uchar *bra = code - offset;
+ oldlinkoffset = GET(bra, 1);
+ bralink = (oldlinkoffset == 0)? NULL : bralink - oldlinkoffset;
+ *code++ = OP_KET;
+ PUTINC(code, 0, offset);
+ PUT(bra, 1, offset);
+ }
+ }
+
+ /* If the maximum is unlimited, set a repeater in the final copy. For
+ ONCE brackets, that's all we need to do. However, possessively repeated
+ ONCE brackets can be converted into non-capturing brackets, as the
+ behaviour of (?:xx)++ is the same as (?>xx)++ and this saves having to
+ deal with possessive ONCEs specially.
+
+ Otherwise, when we are doing the actual compile phase, check to see
+ whether this group is one that could match an empty string. If so,
+ convert the initial operator to the S form (e.g. OP_BRA -> OP_SBRA) so
+ that runtime checking can be done. [This check is also applied to ONCE
+ groups at runtime, but in a different way.]
+
+ Then, if the quantifier was possessive and the bracket is not a
+ conditional, we convert the BRA code to the POS form, and the KET code to
+ KETRPOS. (It turns out to be convenient at runtime to detect this kind of
+ subpattern at both the start and at the end.) The use of special opcodes
+ makes it possible to reduce greatly the stack usage in pcre_exec(). If
+ the group is preceded by OP_BRAZERO, convert this to OP_BRAPOSZERO.
+
+ Then, if the minimum number of matches is 1 or 0, cancel the possessive
+ flag so that the default action below, of wrapping everything inside
+ atomic brackets, does not happen. When the minimum is greater than 1,
+ there will be earlier copies of the group, and so we still have to wrap
+ the whole thing. */
+
+ else
+ {
+ pcre_uchar *ketcode = code - 1 - LINK_SIZE;
+ pcre_uchar *bracode = ketcode - GET(ketcode, 1);
+
+ /* Convert possessive ONCE brackets to non-capturing */
+
+ if ((*bracode == OP_ONCE || *bracode == OP_ONCE_NC) &&
+ possessive_quantifier) *bracode = OP_BRA;
+
+ /* For non-possessive ONCE brackets, all we need to do is to
+ set the KET. */
+
+ if (*bracode == OP_ONCE || *bracode == OP_ONCE_NC)
+ *ketcode = OP_KETRMAX + repeat_type;
+
+ /* Handle non-ONCE brackets and possessive ONCEs (which have been
+ converted to non-capturing above). */
+
+ else
+ {
+ /* In the compile phase, check for empty string matching. */
+
+ if (lengthptr == NULL)
+ {
+ pcre_uchar *scode = bracode;
+ do
+ {
+ if (could_be_empty_branch(scode, ketcode, utf, cd, NULL))
+ {
+ *bracode += OP_SBRA - OP_BRA;
+ break;
+ }
+ scode += GET(scode, 1);
+ }
+ while (*scode == OP_ALT);
+ }
+
+ /* A conditional group with only one branch has an implicit empty
+ alternative branch. */
+
+ if (*bracode == OP_COND && bracode[GET(bracode,1)] != OP_ALT)
+ *bracode = OP_SCOND;
+
+ /* Handle possessive quantifiers. */
+
+ if (possessive_quantifier)
+ {
+ /* For COND brackets, we wrap the whole thing in a possessively
+ repeated non-capturing bracket, because we have not invented POS
+ versions of the COND opcodes. Because we are moving code along, we
+ must ensure that any pending recursive references are updated. */
+
+ if (*bracode == OP_COND || *bracode == OP_SCOND)
+ {
+ int nlen = (int)(code - bracode);
+ *code = OP_END;
+ adjust_recurse(bracode, 1 + LINK_SIZE, utf, cd, item_hwm_offset);
+ memmove(bracode + 1 + LINK_SIZE, bracode, IN_UCHARS(nlen));
+ code += 1 + LINK_SIZE;
+ nlen += 1 + LINK_SIZE;
+ *bracode = (*bracode == OP_COND)? OP_BRAPOS : OP_SBRAPOS;
+ *code++ = OP_KETRPOS;
+ PUTINC(code, 0, nlen);
+ PUT(bracode, 1, nlen);
+ }
+
+ /* For non-COND brackets, we modify the BRA code and use KETRPOS. */
+
+ else
+ {
+ *bracode += 1; /* Switch to xxxPOS opcodes */
+ *ketcode = OP_KETRPOS;
+ }
+
+ /* If the minimum is zero, mark it as possessive, then unset the
+ possessive flag when the minimum is 0 or 1. */
+
+ if (brazeroptr != NULL) *brazeroptr = OP_BRAPOSZERO;
+ if (repeat_min < 2) possessive_quantifier = FALSE;
+ }
+
+ /* Non-possessive quantifier */
+
+ else *ketcode = OP_KETRMAX + repeat_type;
+ }
+ }
+ }
+
+ /* If previous is OP_FAIL, it was generated by an empty class [] in
+ JavaScript mode. The other ways in which OP_FAIL can be generated, that is
+ by (*FAIL) or (?!) set previous to NULL, which gives a "nothing to repeat"
+ error above. We can just ignore the repeat in JS case. */
+
+ else if (*previous == OP_FAIL) goto END_REPEAT;
+
+ /* Else there's some kind of shambles */
+
+ else
+ {
+ *errorcodeptr = ERR11;
+ goto FAILED;
+ }
+
+ /* If the character following a repeat is '+', possessive_quantifier is
+ TRUE. For some opcodes, there are special alternative opcodes for this
+ case. For anything else, we wrap the entire repeated item inside OP_ONCE
+ brackets. Logically, the '+' notation is just syntactic sugar, taken from
+ Sun's Java package, but the special opcodes can optimize it.
+
+ Some (but not all) possessively repeated subpatterns have already been
+ completely handled in the code just above. For them, possessive_quantifier
+ is always FALSE at this stage. Note that the repeated item starts at
+ tempcode, not at previous, which might be the first part of a string whose
+ (former) last char we repeated. */
+
+ if (possessive_quantifier)
+ {
+ int len;
+
+ /* Possessifying an EXACT quantifier has no effect, so we can ignore it.
+ However, QUERY, STAR, or UPTO may follow (for quantifiers such as {5,6},
+ {5,}, or {5,10}). We skip over an EXACT item; if the length of what
+ remains is greater than zero, there's a further opcode that can be
+ handled. If not, do nothing, leaving the EXACT alone. */
+
+ switch(*tempcode)
+ {
+ case OP_TYPEEXACT:
+ tempcode += PRIV(OP_lengths)[*tempcode] +
+ ((tempcode[1 + IMM2_SIZE] == OP_PROP
+ || tempcode[1 + IMM2_SIZE] == OP_NOTPROP)? 2 : 0);
+ break;
+
+ /* CHAR opcodes are used for exacts whose count is 1. */
+
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ case OP_EXACT:
+ case OP_EXACTI:
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+ tempcode += PRIV(OP_lengths)[*tempcode];
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(tempcode[-1]))
+ tempcode += GET_EXTRALEN(tempcode[-1]);
+#endif
+ break;
+
+ /* For the class opcodes, the repeat operator appears at the end;
+ adjust tempcode to point to it. */
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ tempcode += 1 + 32/sizeof(pcre_uchar);
+ break;
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ tempcode += GET(tempcode, 1);
+ break;
+#endif
+ }
+
+ /* If tempcode is equal to code (which points to the end of the repeated
+ item), it means we have skipped an EXACT item but there is no following
+ QUERY, STAR, or UPTO; the value of len will be 0, and we do nothing. In
+ all other cases, tempcode will be pointing to the repeat opcode, and will
+ be less than code, so the value of len will be greater than 0. */
+
+ len = (int)(code - tempcode);
+ if (len > 0)
+ {
+ unsigned int repcode = *tempcode;
+
+ /* There is a table for possessifying opcodes, all of which are less
+ than OP_CALLOUT. A zero entry means there is no possessified version.
+ */
+
+ if (repcode < OP_CALLOUT && opcode_possessify[repcode] > 0)
+ *tempcode = opcode_possessify[repcode];
+
+ /* For opcode without a special possessified version, wrap the item in
+ ONCE brackets. Because we are moving code along, we must ensure that any
+ pending recursive references are updated. */
+
+ else
+ {
+ *code = OP_END;
+ adjust_recurse(tempcode, 1 + LINK_SIZE, utf, cd, item_hwm_offset);
+ memmove(tempcode + 1 + LINK_SIZE, tempcode, IN_UCHARS(len));
+ code += 1 + LINK_SIZE;
+ len += 1 + LINK_SIZE;
+ tempcode[0] = OP_ONCE;
+ *code++ = OP_KET;
+ PUTINC(code, 0, len);
+ PUT(tempcode, 1, len);
+ }
+ }
+
+#ifdef NEVER
+ if (len > 0) switch (*tempcode)
+ {
+ case OP_STAR: *tempcode = OP_POSSTAR; break;
+ case OP_PLUS: *tempcode = OP_POSPLUS; break;
+ case OP_QUERY: *tempcode = OP_POSQUERY; break;
+ case OP_UPTO: *tempcode = OP_POSUPTO; break;
+
+ case OP_STARI: *tempcode = OP_POSSTARI; break;
+ case OP_PLUSI: *tempcode = OP_POSPLUSI; break;
+ case OP_QUERYI: *tempcode = OP_POSQUERYI; break;
+ case OP_UPTOI: *tempcode = OP_POSUPTOI; break;
+
+ case OP_NOTSTAR: *tempcode = OP_NOTPOSSTAR; break;
+ case OP_NOTPLUS: *tempcode = OP_NOTPOSPLUS; break;
+ case OP_NOTQUERY: *tempcode = OP_NOTPOSQUERY; break;
+ case OP_NOTUPTO: *tempcode = OP_NOTPOSUPTO; break;
+
+ case OP_NOTSTARI: *tempcode = OP_NOTPOSSTARI; break;
+ case OP_NOTPLUSI: *tempcode = OP_NOTPOSPLUSI; break;
+ case OP_NOTQUERYI: *tempcode = OP_NOTPOSQUERYI; break;
+ case OP_NOTUPTOI: *tempcode = OP_NOTPOSUPTOI; break;
+
+ case OP_TYPESTAR: *tempcode = OP_TYPEPOSSTAR; break;
+ case OP_TYPEPLUS: *tempcode = OP_TYPEPOSPLUS; break;
+ case OP_TYPEQUERY: *tempcode = OP_TYPEPOSQUERY; break;
+ case OP_TYPEUPTO: *tempcode = OP_TYPEPOSUPTO; break;
+
+ case OP_CRSTAR: *tempcode = OP_CRPOSSTAR; break;
+ case OP_CRPLUS: *tempcode = OP_CRPOSPLUS; break;
+ case OP_CRQUERY: *tempcode = OP_CRPOSQUERY; break;
+ case OP_CRRANGE: *tempcode = OP_CRPOSRANGE; break;
+
+ /* Because we are moving code along, we must ensure that any
+ pending recursive references are updated. */
+
+ default:
+ *code = OP_END;
+ adjust_recurse(tempcode, 1 + LINK_SIZE, utf, cd, item_hwm_offset);
+ memmove(tempcode + 1 + LINK_SIZE, tempcode, IN_UCHARS(len));
+ code += 1 + LINK_SIZE;
+ len += 1 + LINK_SIZE;
+ tempcode[0] = OP_ONCE;
+ *code++ = OP_KET;
+ PUTINC(code, 0, len);
+ PUT(tempcode, 1, len);
+ break;
+ }
+#endif
+ }
+
+ /* In all case we no longer have a previous item. We also set the
+ "follows varying string" flag for subsequently encountered reqchars if
+ it isn't already set and we have just passed a varying length item. */
+
+ END_REPEAT:
+ previous = NULL;
+ cd->req_varyopt |= reqvary;
+ break;
+
+
+ /* ===================================================================*/
+ /* Start of nested parenthesized sub-expression, or comment or lookahead or
+ lookbehind or option setting or condition or all the other extended
+ parenthesis forms. */
+
+ case CHAR_LEFT_PARENTHESIS:
+ ptr++;
+
+ /* Now deal with various "verbs" that can be introduced by '*'. */
+
+ if (ptr[0] == CHAR_ASTERISK && (ptr[1] == ':'
+ || (MAX_255(ptr[1]) && ((cd->ctypes[ptr[1]] & ctype_letter) != 0))))
+ {
+ int i, namelen;
+ int arglen = 0;
+ const char *vn = verbnames;
+ const pcre_uchar *name = ptr + 1;
+ const pcre_uchar *arg = NULL;
+ previous = NULL;
+ ptr++;
+ while (MAX_255(*ptr) && (cd->ctypes[*ptr] & ctype_letter) != 0) ptr++;
+ namelen = (int)(ptr - name);
+
+ /* It appears that Perl allows any characters whatsoever, other than
+ a closing parenthesis, to appear in arguments, so we no longer insist on
+ letters, digits, and underscores. */
+
+ if (*ptr == CHAR_COLON)
+ {
+ arg = ++ptr;
+ while (*ptr != CHAR_NULL && *ptr != CHAR_RIGHT_PARENTHESIS) ptr++;
+ arglen = (int)(ptr - arg);
+ if ((unsigned int)arglen > MAX_MARK)
+ {
+ *errorcodeptr = ERR75;
+ goto FAILED;
+ }
+ }
+
+ if (*ptr != CHAR_RIGHT_PARENTHESIS)
+ {
+ *errorcodeptr = ERR60;
+ goto FAILED;
+ }
+
+ /* Scan the table of verb names */
+
+ for (i = 0; i < verbcount; i++)
+ {
+ if (namelen == verbs[i].len &&
+ STRNCMP_UC_C8(name, vn, namelen) == 0)
+ {
+ int setverb;
+
+ /* Check for open captures before ACCEPT and convert it to
+ ASSERT_ACCEPT if in an assertion. */
+
+ if (verbs[i].op == OP_ACCEPT)
+ {
+ open_capitem *oc;
+ if (arglen != 0)
+ {
+ *errorcodeptr = ERR59;
+ goto FAILED;
+ }
+ cd->had_accept = TRUE;
+ for (oc = cd->open_caps; oc != NULL; oc = oc->next)
+ {
+ if (lengthptr != NULL)
+ {
+#ifdef COMPILE_PCRE8
+ *lengthptr += 1 + IMM2_SIZE;
+#elif defined COMPILE_PCRE16
+ *lengthptr += 2 + IMM2_SIZE;
+#elif defined COMPILE_PCRE32
+ *lengthptr += 4 + IMM2_SIZE;
+#endif
+ }
+ else
+ {
+ *code++ = OP_CLOSE;
+ PUT2INC(code, 0, oc->number);
+ }
+ }
+ setverb = *code++ =
+ (cd->assert_depth > 0)? OP_ASSERT_ACCEPT : OP_ACCEPT;
+
+ /* Do not set firstchar after *ACCEPT */
+ if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+ }
+
+ /* Handle other cases with/without an argument */
+
+ else if (arglen == 0)
+ {
+ if (verbs[i].op < 0) /* Argument is mandatory */
+ {
+ *errorcodeptr = ERR66;
+ goto FAILED;
+ }
+ setverb = *code++ = verbs[i].op;
+ }
+
+ else
+ {
+ if (verbs[i].op_arg < 0) /* Argument is forbidden */
+ {
+ *errorcodeptr = ERR59;
+ goto FAILED;
+ }
+ setverb = *code++ = verbs[i].op_arg;
+ if (lengthptr != NULL) /* In pass 1 just add in the length */
+ { /* to avoid potential workspace */
+ *lengthptr += arglen; /* overflow. */
+ *code++ = 0;
+ }
+ else
+ {
+ *code++ = arglen;
+ memcpy(code, arg, IN_UCHARS(arglen));
+ code += arglen;
+ }
+ *code++ = 0;
+ }
+
+ switch (setverb)
+ {
+ case OP_THEN:
+ case OP_THEN_ARG:
+ cd->external_flags |= PCRE_HASTHEN;
+ break;
+
+ case OP_PRUNE:
+ case OP_PRUNE_ARG:
+ case OP_SKIP:
+ case OP_SKIP_ARG:
+ cd->had_pruneorskip = TRUE;
+ break;
+ }
+
+ break; /* Found verb, exit loop */
+ }
+
+ vn += verbs[i].len + 1;
+ }
+
+ if (i < verbcount) continue; /* Successfully handled a verb */
+ *errorcodeptr = ERR60; /* Verb not recognized */
+ goto FAILED;
+ }
+
+ /* Initialize for "real" parentheses */
+
+ newoptions = options;
+ skipbytes = 0;
+ bravalue = OP_CBRA;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ reset_bracount = FALSE;
+
+ /* Deal with the extended parentheses; all are introduced by '?', and the
+ appearance of any of them means that this is not a capturing group. */
+
+ if (*ptr == CHAR_QUESTION_MARK)
+ {
+ int i, set, unset, namelen;
+ int *optset;
+ const pcre_uchar *name;
+ pcre_uchar *slot;
+
+ switch (*(++ptr))
+ {
+ /* ------------------------------------------------------------ */
+ case CHAR_VERTICAL_LINE: /* Reset capture count for each branch */
+ reset_bracount = TRUE;
+ cd->dupgroups = TRUE; /* Record (?| encountered */
+ /* Fall through */
+
+ /* ------------------------------------------------------------ */
+ case CHAR_COLON: /* Non-capturing bracket */
+ bravalue = OP_BRA;
+ ptr++;
+ break;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_LEFT_PARENTHESIS:
+ bravalue = OP_COND; /* Conditional group */
+ tempptr = ptr;
+
+ /* A condition can be an assertion, a number (referring to a numbered
+ group's having been set), a name (referring to a named group), or 'R',
+ referring to recursion. R<digits> and R&name are also permitted for
+ recursion tests.
+
+ There are ways of testing a named group: (?(name)) is used by Python;
+ Perl 5.10 onwards uses (?(<name>) or (?('name')).
+
+ There is one unfortunate ambiguity, caused by history. 'R' can be the
+ recursive thing or the name 'R' (and similarly for 'R' followed by
+ digits). We look for a name first; if not found, we try the other case.
+
+ For compatibility with auto-callouts, we allow a callout to be
+ specified before a condition that is an assertion. First, check for the
+ syntax of a callout; if found, adjust the temporary pointer that is
+ used to check for an assertion condition. That's all that is needed! */
+
+ if (ptr[1] == CHAR_QUESTION_MARK && ptr[2] == CHAR_C)
+ {
+ for (i = 3;; i++) if (!IS_DIGIT(ptr[i])) break;
+ if (ptr[i] == CHAR_RIGHT_PARENTHESIS)
+ tempptr += i + 1;
+
+ /* tempptr should now be pointing to the opening parenthesis of the
+ assertion condition. */
+
+ if (*tempptr != CHAR_LEFT_PARENTHESIS)
+ {
+ *errorcodeptr = ERR28;
+ goto FAILED;
+ }
+ }
+
+ /* For conditions that are assertions, check the syntax, and then exit
+ the switch. This will take control down to where bracketed groups,
+ including assertions, are processed. */
+
+ if (tempptr[1] == CHAR_QUESTION_MARK &&
+ (tempptr[2] == CHAR_EQUALS_SIGN ||
+ tempptr[2] == CHAR_EXCLAMATION_MARK ||
+ (tempptr[2] == CHAR_LESS_THAN_SIGN &&
+ (tempptr[3] == CHAR_EQUALS_SIGN ||
+ tempptr[3] == CHAR_EXCLAMATION_MARK))))
+ {
+ cd->iscondassert = TRUE;
+ break;
+ }
+
+ /* Other conditions use OP_CREF/OP_DNCREF/OP_RREF/OP_DNRREF, and all
+ need to skip at least 1+IMM2_SIZE bytes at the start of the group. */
+
+ code[1+LINK_SIZE] = OP_CREF;
+ skipbytes = 1+IMM2_SIZE;
+ refsign = -1; /* => not a number */
+ namelen = -1; /* => not a name; must set to avoid warning */
+ name = NULL; /* Always set to avoid warning */
+ recno = 0; /* Always set to avoid warning */
+
+ /* Check for a test for recursion in a named group. */
+
+ ptr++;
+ if (*ptr == CHAR_R && ptr[1] == CHAR_AMPERSAND)
+ {
+ terminator = -1;
+ ptr += 2;
+ code[1+LINK_SIZE] = OP_RREF; /* Change the type of test */
+ }
+
+ /* Check for a test for a named group's having been set, using the Perl
+ syntax (?(<name>) or (?('name'), and also allow for the original PCRE
+ syntax of (?(name) or for (?(+n), (?(-n), and just (?(n). */
+
+ else if (*ptr == CHAR_LESS_THAN_SIGN)
+ {
+ terminator = CHAR_GREATER_THAN_SIGN;
+ ptr++;
+ }
+ else if (*ptr == CHAR_APOSTROPHE)
+ {
+ terminator = CHAR_APOSTROPHE;
+ ptr++;
+ }
+ else
+ {
+ terminator = CHAR_NULL;
+ if (*ptr == CHAR_MINUS || *ptr == CHAR_PLUS) refsign = *ptr++;
+ else if (IS_DIGIT(*ptr)) refsign = 0;
+ }
+
+ /* Handle a number */
+
+ if (refsign >= 0)
+ {
+ while (IS_DIGIT(*ptr))
+ {
+ if (recno > INT_MAX / 10 - 1) /* Integer overflow */
+ {
+ while (IS_DIGIT(*ptr)) ptr++;
+ *errorcodeptr = ERR61;
+ goto FAILED;
+ }
+ recno = recno * 10 + (int)(*ptr - CHAR_0);
+ ptr++;
+ }
+ }
+
+ /* Otherwise we expect to read a name; anything else is an error. When
+ a name is one of a number of duplicates, a different opcode is used and
+ it needs more memory. Unfortunately we cannot tell whether a name is a
+ duplicate in the first pass, so we have to allow for more memory. */
+
+ else
+ {
+ if (IS_DIGIT(*ptr))
+ {
+ *errorcodeptr = ERR84;
+ goto FAILED;
+ }
+ if (!MAX_255(*ptr) || (cd->ctypes[*ptr] & ctype_word) == 0)
+ {
+ *errorcodeptr = ERR28; /* Assertion expected */
+ goto FAILED;
+ }
+ name = ptr++;
+ while (MAX_255(*ptr) && (cd->ctypes[*ptr] & ctype_word) != 0)
+ {
+ ptr++;
+ }
+ namelen = (int)(ptr - name);
+ if (lengthptr != NULL) skipbytes += IMM2_SIZE;
+ }
+
+ /* Check the terminator */
+
+ if ((terminator > 0 && *ptr++ != (pcre_uchar)terminator) ||
+ *ptr++ != CHAR_RIGHT_PARENTHESIS)
+ {
+ ptr--; /* Error offset */
+ *errorcodeptr = ERR26; /* Malformed number or name */
+ goto FAILED;
+ }
+
+ /* Do no further checking in the pre-compile phase. */
+
+ if (lengthptr != NULL) break;
+
+ /* In the real compile we do the work of looking for the actual
+ reference. If refsign is not negative, it means we have a number in
+ recno. */
+
+ if (refsign >= 0)
+ {
+ if (recno <= 0)
+ {
+ *errorcodeptr = ERR35;
+ goto FAILED;
+ }
+ if (refsign != 0) recno = (refsign == CHAR_MINUS)?
+ cd->bracount - recno + 1 : recno + cd->bracount;
+ if (recno <= 0 || recno > cd->final_bracount)
+ {
+ *errorcodeptr = ERR15;
+ goto FAILED;
+ }
+ PUT2(code, 2+LINK_SIZE, recno);
+ if (recno > cd->top_backref) cd->top_backref = recno;
+ break;
+ }
+
+ /* Otherwise look for the name. */
+
+ slot = cd->name_table;
+ for (i = 0; i < cd->names_found; i++)
+ {
+ if (STRNCMP_UC_UC(name, slot+IMM2_SIZE, namelen) == 0 &&
+ slot[IMM2_SIZE+namelen] == 0) break;
+ slot += cd->name_entry_size;
+ }
+
+ /* Found the named subpattern. If the name is duplicated, add one to
+ the opcode to change CREF/RREF into DNCREF/DNRREF and insert
+ appropriate data values. Otherwise, just insert the unique subpattern
+ number. */
+
+ if (i < cd->names_found)
+ {
+ int offset = i++;
+ int count = 1;
+ recno = GET2(slot, 0); /* Number from first found */
+ if (recno > cd->top_backref) cd->top_backref = recno;
+ for (; i < cd->names_found; i++)
+ {
+ slot += cd->name_entry_size;
+ if (STRNCMP_UC_UC(name, slot+IMM2_SIZE, namelen) != 0 ||
+ (slot+IMM2_SIZE)[namelen] != 0) break;
+ count++;
+ }
+
+ if (count > 1)
+ {
+ PUT2(code, 2+LINK_SIZE, offset);
+ PUT2(code, 2+LINK_SIZE+IMM2_SIZE, count);
+ skipbytes += IMM2_SIZE;
+ code[1+LINK_SIZE]++;
+ }
+ else /* Not a duplicated name */
+ {
+ PUT2(code, 2+LINK_SIZE, recno);
+ }
+ }
+
+ /* If terminator == CHAR_NULL it means that the name followed directly
+ after the opening parenthesis [e.g. (?(abc)...] and in this case there
+ are some further alternatives to try. For the cases where terminator !=
+ CHAR_NULL [things like (?(<name>... or (?('name')... or (?(R&name)... ]
+ we have now checked all the possibilities, so give an error. */
+
+ else if (terminator != CHAR_NULL)
+ {
+ *errorcodeptr = ERR15;
+ goto FAILED;
+ }
+
+ /* Check for (?(R) for recursion. Allow digits after R to specify a
+ specific group number. */
+
+ else if (*name == CHAR_R)
+ {
+ recno = 0;
+ for (i = 1; i < namelen; i++)
+ {
+ if (!IS_DIGIT(name[i]))
+ {
+ *errorcodeptr = ERR15;
+ goto FAILED;
+ }
+ if (recno > INT_MAX / 10 - 1) /* Integer overflow */
+ {
+ *errorcodeptr = ERR61;
+ goto FAILED;
+ }
+ recno = recno * 10 + name[i] - CHAR_0;
+ }
+ if (recno == 0) recno = RREF_ANY;
+ code[1+LINK_SIZE] = OP_RREF; /* Change test type */
+ PUT2(code, 2+LINK_SIZE, recno);
+ }
+
+ /* Similarly, check for the (?(DEFINE) "condition", which is always
+ false. */
+
+ else if (namelen == 6 && STRNCMP_UC_C8(name, STRING_DEFINE, 6) == 0)
+ {
+ code[1+LINK_SIZE] = OP_DEF;
+ skipbytes = 1;
+ }
+
+ /* Reference to an unidentified subpattern. */
+
+ else
+ {
+ *errorcodeptr = ERR15;
+ goto FAILED;
+ }
+ break;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_EQUALS_SIGN: /* Positive lookahead */
+ bravalue = OP_ASSERT;
+ cd->assert_depth += 1;
+ ptr++;
+ break;
+
+ /* Optimize (?!) to (*FAIL) unless it is quantified - which is a weird
+ thing to do, but Perl allows all assertions to be quantified, and when
+ they contain capturing parentheses there may be a potential use for
+ this feature. Not that that applies to a quantified (?!) but we allow
+ it for uniformity. */
+
+ /* ------------------------------------------------------------ */
+ case CHAR_EXCLAMATION_MARK: /* Negative lookahead */
+ ptr++;
+ if (*ptr == CHAR_RIGHT_PARENTHESIS && ptr[1] != CHAR_ASTERISK &&
+ ptr[1] != CHAR_PLUS && ptr[1] != CHAR_QUESTION_MARK &&
+ (ptr[1] != CHAR_LEFT_CURLY_BRACKET || !is_counted_repeat(ptr+2)))
+ {
+ *code++ = OP_FAIL;
+ previous = NULL;
+ continue;
+ }
+ bravalue = OP_ASSERT_NOT;
+ cd->assert_depth += 1;
+ break;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_LESS_THAN_SIGN: /* Lookbehind or named define */
+ switch (ptr[1])
+ {
+ case CHAR_EQUALS_SIGN: /* Positive lookbehind */
+ bravalue = OP_ASSERTBACK;
+ cd->assert_depth += 1;
+ ptr += 2;
+ break;
+
+ case CHAR_EXCLAMATION_MARK: /* Negative lookbehind */
+ bravalue = OP_ASSERTBACK_NOT;
+ cd->assert_depth += 1;
+ ptr += 2;
+ break;
+
+ default: /* Could be name define, else bad */
+ if (MAX_255(ptr[1]) && (cd->ctypes[ptr[1]] & ctype_word) != 0)
+ goto DEFINE_NAME;
+ ptr++; /* Correct offset for error */
+ *errorcodeptr = ERR24;
+ goto FAILED;
+ }
+ break;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_GREATER_THAN_SIGN: /* One-time brackets */
+ bravalue = OP_ONCE;
+ ptr++;
+ break;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_C: /* Callout - may be followed by digits; */
+ previous_callout = code; /* Save for later completion */
+ after_manual_callout = 1; /* Skip one item before completing */
+ *code++ = OP_CALLOUT;
+ {
+ int n = 0;
+ ptr++;
+ while(IS_DIGIT(*ptr))
+ n = n * 10 + *ptr++ - CHAR_0;
+ if (*ptr != CHAR_RIGHT_PARENTHESIS)
+ {
+ *errorcodeptr = ERR39;
+ goto FAILED;
+ }
+ if (n > 255)
+ {
+ *errorcodeptr = ERR38;
+ goto FAILED;
+ }
+ *code++ = n;
+ PUT(code, 0, (int)(ptr - cd->start_pattern + 1)); /* Pattern offset */
+ PUT(code, LINK_SIZE, 0); /* Default length */
+ code += 2 * LINK_SIZE;
+ }
+ previous = NULL;
+ continue;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_P: /* Python-style named subpattern handling */
+ if (*(++ptr) == CHAR_EQUALS_SIGN ||
+ *ptr == CHAR_GREATER_THAN_SIGN) /* Reference or recursion */
+ {
+ is_recurse = *ptr == CHAR_GREATER_THAN_SIGN;
+ terminator = CHAR_RIGHT_PARENTHESIS;
+ goto NAMED_REF_OR_RECURSE;
+ }
+ else if (*ptr != CHAR_LESS_THAN_SIGN) /* Test for Python-style defn */
+ {
+ *errorcodeptr = ERR41;
+ goto FAILED;
+ }
+ /* Fall through to handle (?P< as (?< is handled */
+
+
+ /* ------------------------------------------------------------ */
+ DEFINE_NAME: /* Come here from (?< handling */
+ case CHAR_APOSTROPHE:
+ terminator = (*ptr == CHAR_LESS_THAN_SIGN)?
+ CHAR_GREATER_THAN_SIGN : CHAR_APOSTROPHE;
+ name = ++ptr;
+ if (IS_DIGIT(*ptr))
+ {
+ *errorcodeptr = ERR84; /* Group name must start with non-digit */
+ goto FAILED;
+ }
+ while (MAX_255(*ptr) && (cd->ctypes[*ptr] & ctype_word) != 0) ptr++;
+ namelen = (int)(ptr - name);
+
+ /* In the pre-compile phase, do a syntax check, remember the longest
+ name, and then remember the group in a vector, expanding it if
+ necessary. Duplicates for the same number are skipped; other duplicates
+ are checked for validity. In the actual compile, there is nothing to
+ do. */
+
+ if (lengthptr != NULL)
+ {
+ named_group *ng;
+ pcre_uint32 number = cd->bracount + 1;
+
+ if (*ptr != (pcre_uchar)terminator)
+ {
+ *errorcodeptr = ERR42;
+ goto FAILED;
+ }
+
+ if (cd->names_found >= MAX_NAME_COUNT)
+ {
+ *errorcodeptr = ERR49;
+ goto FAILED;
+ }
+
+ if (namelen + IMM2_SIZE + 1 > cd->name_entry_size)
+ {
+ cd->name_entry_size = namelen + IMM2_SIZE + 1;
+ if (namelen > MAX_NAME_SIZE)
+ {
+ *errorcodeptr = ERR48;
+ goto FAILED;
+ }
+ }
+
+ /* Scan the list to check for duplicates. For duplicate names, if the
+ number is the same, break the loop, which causes the name to be
+ discarded; otherwise, if DUPNAMES is not set, give an error.
+ If it is set, allow the name with a different number, but continue
+ scanning in case this is a duplicate with the same number. For
+ non-duplicate names, give an error if the number is duplicated. */
+
+ ng = cd->named_groups;
+ for (i = 0; i < cd->names_found; i++, ng++)
+ {
+ if (namelen == ng->length &&
+ STRNCMP_UC_UC(name, ng->name, namelen) == 0)
+ {
+ if (ng->number == number) break;
+ if ((options & PCRE_DUPNAMES) == 0)
+ {
+ *errorcodeptr = ERR43;
+ goto FAILED;
+ }
+ cd->dupnames = TRUE; /* Duplicate names exist */
+ }
+ else if (ng->number == number)
+ {
+ *errorcodeptr = ERR65;
+ goto FAILED;
+ }
+ }
+
+ if (i >= cd->names_found) /* Not a duplicate with same number */
+ {
+ /* Increase the list size if necessary */
+
+ if (cd->names_found >= cd->named_group_list_size)
+ {
+ int newsize = cd->named_group_list_size * 2;
+ named_group *newspace = (PUBL(malloc))
+ (newsize * sizeof(named_group));
+
+ if (newspace == NULL)
+ {
+ *errorcodeptr = ERR21;
+ goto FAILED;
+ }
+
+ memcpy(newspace, cd->named_groups,
+ cd->named_group_list_size * sizeof(named_group));
+ if (cd->named_group_list_size > NAMED_GROUP_LIST_SIZE)
+ (PUBL(free))((void *)cd->named_groups);
+ cd->named_groups = newspace;
+ cd->named_group_list_size = newsize;
+ }
+
+ cd->named_groups[cd->names_found].name = name;
+ cd->named_groups[cd->names_found].length = namelen;
+ cd->named_groups[cd->names_found].number = number;
+ cd->names_found++;
+ }
+ }
+
+ ptr++; /* Move past > or ' in both passes. */
+ goto NUMBERED_GROUP;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_AMPERSAND: /* Perl recursion/subroutine syntax */
+ terminator = CHAR_RIGHT_PARENTHESIS;
+ is_recurse = TRUE;
+ /* Fall through */
+
+ /* We come here from the Python syntax above that handles both
+ references (?P=name) and recursion (?P>name), as well as falling
+ through from the Perl recursion syntax (?&name). We also come here from
+ the Perl \k<name> or \k'name' back reference syntax and the \k{name}
+ .NET syntax, and the Oniguruma \g<...> and \g'...' subroutine syntax. */
+
+ NAMED_REF_OR_RECURSE:
+ name = ++ptr;
+ if (IS_DIGIT(*ptr))
+ {
+ *errorcodeptr = ERR84; /* Group name must start with non-digit */
+ goto FAILED;
+ }
+ while (MAX_255(*ptr) && (cd->ctypes[*ptr] & ctype_word) != 0) ptr++;
+ namelen = (int)(ptr - name);
+
+ /* In the pre-compile phase, do a syntax check. We used to just set
+ a dummy reference number, because it was not used in the first pass.
+ However, with the change of recursive back references to be atomic,
+ we have to look for the number so that this state can be identified, as
+ otherwise the incorrect length is computed. If it's not a backwards
+ reference, the dummy number will do. */
+
+ if (lengthptr != NULL)
+ {
+ named_group *ng;
+ recno = 0;
+
+ if (namelen == 0)
+ {
+ *errorcodeptr = ERR62;
+ goto FAILED;
+ }
+ if (*ptr != (pcre_uchar)terminator)
+ {
+ *errorcodeptr = ERR42;
+ goto FAILED;
+ }
+ if (namelen > MAX_NAME_SIZE)
+ {
+ *errorcodeptr = ERR48;
+ goto FAILED;
+ }
+
+ /* Count named back references. */
+
+ if (!is_recurse) cd->namedrefcount++;
+
+ /* We have to allow for a named reference to a duplicated name (this
+ cannot be determined until the second pass). This needs an extra
+ 16-bit data item. */
+
+ *lengthptr += IMM2_SIZE;
+
+ /* If this is a forward reference and we are within a (?|...) group,
+ the reference may end up as the number of a group which we are
+ currently inside, that is, it could be a recursive reference. In the
+ real compile this will be picked up and the reference wrapped with
+ OP_ONCE to make it atomic, so we must space in case this occurs. */
+
+ /* In fact, this can happen for a non-forward reference because
+ another group with the same number might be created later. This
+ issue is fixed "properly" in PCRE2. As PCRE1 is now in maintenance
+ only mode, we finesse the bug by allowing more memory always. */
+
+ *lengthptr += 4 + 4*LINK_SIZE;
+
+ /* It is even worse than that. The current reference may be to an
+ existing named group with a different number (so apparently not
+ recursive) but which later on is also attached to a group with the
+ current number. This can only happen if $(| has been previous
+ encountered. In that case, we allow yet more memory, just in case.
+ (Again, this is fixed "properly" in PCRE2. */
+
+ if (cd->dupgroups) *lengthptr += 4 + 4*LINK_SIZE;
+
+ /* Otherwise, check for recursion here. The name table does not exist
+ in the first pass; instead we must scan the list of names encountered
+ so far in order to get the number. If the name is not found, leave
+ the value of recno as 0 for a forward reference. */
+
+ /* This patch (removing "else") fixes a problem when a reference is
+ to multiple identically named nested groups from within the nest.
+ Once again, it is not the "proper" fix, and it results in an
+ over-allocation of memory. */
+
+ /* else */
+ {
+ ng = cd->named_groups;
+ for (i = 0; i < cd->names_found; i++, ng++)
+ {
+ if (namelen == ng->length &&
+ STRNCMP_UC_UC(name, ng->name, namelen) == 0)
+ {
+ open_capitem *oc;
+ recno = ng->number;
+ if (is_recurse) break;
+ for (oc = cd->open_caps; oc != NULL; oc = oc->next)
+ {
+ if (oc->number == recno)
+ {
+ oc->flag = TRUE;
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /* In the real compile, search the name table. We check the name
+ first, and then check that we have reached the end of the name in the
+ table. That way, if the name is longer than any in the table, the
+ comparison will fail without reading beyond the table entry. */
+
+ else
+ {
+ slot = cd->name_table;
+ for (i = 0; i < cd->names_found; i++)
+ {
+ if (STRNCMP_UC_UC(name, slot+IMM2_SIZE, namelen) == 0 &&
+ slot[IMM2_SIZE+namelen] == 0)
+ break;
+ slot += cd->name_entry_size;
+ }
+
+ if (i < cd->names_found)
+ {
+ recno = GET2(slot, 0);
+ }
+ else
+ {
+ *errorcodeptr = ERR15;
+ goto FAILED;
+ }
+ }
+
+ /* In both phases, for recursions, we can now go to the code than
+ handles numerical recursion. */
+
+ if (is_recurse) goto HANDLE_RECURSION;
+
+ /* In the second pass we must see if the name is duplicated. If so, we
+ generate a different opcode. */
+
+ if (lengthptr == NULL && cd->dupnames)
+ {
+ int count = 1;
+ unsigned int index = i;
+ pcre_uchar *cslot = slot + cd->name_entry_size;
+
+ for (i++; i < cd->names_found; i++)
+ {
+ if (STRCMP_UC_UC(slot + IMM2_SIZE, cslot + IMM2_SIZE) != 0) break;
+ count++;
+ cslot += cd->name_entry_size;
+ }
+
+ if (count > 1)
+ {
+ if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ *code++ = ((options & PCRE_CASELESS) != 0)? OP_DNREFI : OP_DNREF;
+ PUT2INC(code, 0, index);
+ PUT2INC(code, 0, count);
+
+ /* Process each potentially referenced group. */
+
+ for (; slot < cslot; slot += cd->name_entry_size)
+ {
+ open_capitem *oc;
+ recno = GET2(slot, 0);
+ cd->backref_map |= (recno < 32)? (1 << recno) : 1;
+ if (recno > cd->top_backref) cd->top_backref = recno;
+
+ /* Check to see if this back reference is recursive, that it, it
+ is inside the group that it references. A flag is set so that the
+ group can be made atomic. */
+
+ for (oc = cd->open_caps; oc != NULL; oc = oc->next)
+ {
+ if (oc->number == recno)
+ {
+ oc->flag = TRUE;
+ break;
+ }
+ }
+ }
+
+ continue; /* End of back ref handling */
+ }
+ }
+
+ /* First pass, or a non-duplicated name. */
+
+ goto HANDLE_REFERENCE;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_R: /* Recursion, same as (?0) */
+ recno = 0;
+ if (*(++ptr) != CHAR_RIGHT_PARENTHESIS)
+ {
+ *errorcodeptr = ERR29;
+ goto FAILED;
+ }
+ goto HANDLE_RECURSION;
+
+
+ /* ------------------------------------------------------------ */
+ case CHAR_MINUS: case CHAR_PLUS: /* Recursion or subroutine */
+ case CHAR_0: case CHAR_1: case CHAR_2: case CHAR_3: case CHAR_4:
+ case CHAR_5: case CHAR_6: case CHAR_7: case CHAR_8: case CHAR_9:
+ {
+ const pcre_uchar *called;
+ terminator = CHAR_RIGHT_PARENTHESIS;
+
+ /* Come here from the \g<...> and \g'...' code (Oniguruma
+ compatibility). However, the syntax has been checked to ensure that
+ the ... are a (signed) number, so that neither ERR63 nor ERR29 will
+ be called on this path, nor with the jump to OTHER_CHAR_AFTER_QUERY
+ ever be taken. */
+
+ HANDLE_NUMERICAL_RECURSION:
+
+ if ((refsign = *ptr) == CHAR_PLUS)
+ {
+ ptr++;
+ if (!IS_DIGIT(*ptr))
+ {
+ *errorcodeptr = ERR63;
+ goto FAILED;
+ }
+ }
+ else if (refsign == CHAR_MINUS)
+ {
+ if (!IS_DIGIT(ptr[1]))
+ goto OTHER_CHAR_AFTER_QUERY;
+ ptr++;
+ }
+
+ recno = 0;
+ while(IS_DIGIT(*ptr))
+ {
+ if (recno > INT_MAX / 10 - 1) /* Integer overflow */
+ {
+ while (IS_DIGIT(*ptr)) ptr++;
+ *errorcodeptr = ERR61;
+ goto FAILED;
+ }
+ recno = recno * 10 + *ptr++ - CHAR_0;
+ }
+
+ if (*ptr != (pcre_uchar)terminator)
+ {
+ *errorcodeptr = ERR29;
+ goto FAILED;
+ }
+
+ if (refsign == CHAR_MINUS)
+ {
+ if (recno == 0)
+ {
+ *errorcodeptr = ERR58;
+ goto FAILED;
+ }
+ recno = cd->bracount - recno + 1;
+ if (recno <= 0)
+ {
+ *errorcodeptr = ERR15;
+ goto FAILED;
+ }
+ }
+ else if (refsign == CHAR_PLUS)
+ {
+ if (recno == 0)
+ {
+ *errorcodeptr = ERR58;
+ goto FAILED;
+ }
+ recno += cd->bracount;
+ }
+
+ /* Come here from code above that handles a named recursion */
+
+ HANDLE_RECURSION:
+
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ called = cd->start_code;
+
+ /* When we are actually compiling, find the bracket that is being
+ referenced. Temporarily end the regex in case it doesn't exist before
+ this point. If we end up with a forward reference, first check that
+ the bracket does occur later so we can give the error (and position)
+ now. Then remember this forward reference in the workspace so it can
+ be filled in at the end. */
+
+ if (lengthptr == NULL)
+ {
+ *code = OP_END;
+ if (recno != 0)
+ called = PRIV(find_bracket)(cd->start_code, utf, recno);
+
+ /* Forward reference */
+
+ if (called == NULL)
+ {
+ if (recno > cd->final_bracount)
+ {
+ *errorcodeptr = ERR15;
+ goto FAILED;
+ }
+
+ /* Fudge the value of "called" so that when it is inserted as an
+ offset below, what it actually inserted is the reference number
+ of the group. Then remember the forward reference. */
+
+ called = cd->start_code + recno;
+ if (cd->hwm >= cd->start_workspace + cd->workspace_size -
+ WORK_SIZE_SAFETY_MARGIN)
+ {
+ *errorcodeptr = expand_workspace(cd);
+ if (*errorcodeptr != 0) goto FAILED;
+ }
+ PUTINC(cd->hwm, 0, (int)(code + 1 - cd->start_code));
+ }
+
+ /* If not a forward reference, and the subpattern is still open,
+ this is a recursive call. We check to see if this is a left
+ recursion that could loop for ever, and diagnose that case. We
+ must not, however, do this check if we are in a conditional
+ subpattern because the condition might be testing for recursion in
+ a pattern such as /(?(R)a+|(?R)b)/, which is perfectly valid.
+ Forever loops are also detected at runtime, so those that occur in
+ conditional subpatterns will be picked up then. */
+
+ else if (GET(called, 1) == 0 && cond_depth <= 0 &&
+ could_be_empty(called, code, bcptr, utf, cd))
+ {
+ *errorcodeptr = ERR40;
+ goto FAILED;
+ }
+ }
+
+ /* Insert the recursion/subroutine item. It does not have a set first
+ character (relevant if it is repeated, because it will then be
+ wrapped with ONCE brackets). */
+
+ *code = OP_RECURSE;
+ PUT(code, 1, (int)(called - cd->start_code));
+ code += 1 + LINK_SIZE;
+ groupsetfirstchar = FALSE;
+ }
+
+ /* Can't determine a first byte now */
+
+ if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+ continue;
+
+
+ /* ------------------------------------------------------------ */
+ default: /* Other characters: check option setting */
+ OTHER_CHAR_AFTER_QUERY:
+ set = unset = 0;
+ optset = &set;
+
+ while (*ptr != CHAR_RIGHT_PARENTHESIS && *ptr != CHAR_COLON)
+ {
+ switch (*ptr++)
+ {
+ case CHAR_MINUS: optset = &unset; break;
+
+ case CHAR_J: /* Record that it changed in the external options */
+ *optset |= PCRE_DUPNAMES;
+ cd->external_flags |= PCRE_JCHANGED;
+ break;
+
+ case CHAR_i: *optset |= PCRE_CASELESS; break;
+ case CHAR_m: *optset |= PCRE_MULTILINE; break;
+ case CHAR_s: *optset |= PCRE_DOTALL; break;
+ case CHAR_x: *optset |= PCRE_EXTENDED; break;
+ case CHAR_U: *optset |= PCRE_UNGREEDY; break;
+ case CHAR_X: *optset |= PCRE_EXTRA; break;
+
+ default: *errorcodeptr = ERR12;
+ ptr--; /* Correct the offset */
+ goto FAILED;
+ }
+ }
+
+ /* Set up the changed option bits, but don't change anything yet. */
+
+ newoptions = (options | set) & (~unset);
+
+ /* If the options ended with ')' this is not the start of a nested
+ group with option changes, so the options change at this level.
+ If we are not at the pattern start, reset the greedy defaults and the
+ case value for firstchar and reqchar. */
+
+ if (*ptr == CHAR_RIGHT_PARENTHESIS)
+ {
+ greedy_default = ((newoptions & PCRE_UNGREEDY) != 0);
+ greedy_non_default = greedy_default ^ 1;
+ req_caseopt = ((newoptions & PCRE_CASELESS) != 0)? REQ_CASELESS:0;
+
+ /* Change options at this level, and pass them back for use
+ in subsequent branches. */
+
+ *optionsptr = options = newoptions;
+ previous = NULL; /* This item can't be repeated */
+ continue; /* It is complete */
+ }
+
+ /* If the options ended with ':' we are heading into a nested group
+ with possible change of options. Such groups are non-capturing and are
+ not assertions of any kind. All we need to do is skip over the ':';
+ the newoptions value is handled below. */
+
+ bravalue = OP_BRA;
+ ptr++;
+ } /* End of switch for character following (? */
+ } /* End of (? handling */
+
+ /* Opening parenthesis not followed by '*' or '?'. If PCRE_NO_AUTO_CAPTURE
+ is set, all unadorned brackets become non-capturing and behave like (?:...)
+ brackets. */
+
+ else if ((options & PCRE_NO_AUTO_CAPTURE) != 0)
+ {
+ bravalue = OP_BRA;
+ }
+
+ /* Else we have a capturing group. */
+
+ else
+ {
+ NUMBERED_GROUP:
+ cd->bracount += 1;
+ PUT2(code, 1+LINK_SIZE, cd->bracount);
+ skipbytes = IMM2_SIZE;
+ }
+
+ /* Process nested bracketed regex. First check for parentheses nested too
+ deeply. */
+
+ if ((cd->parens_depth += 1) > PARENS_NEST_LIMIT)
+ {
+ *errorcodeptr = ERR82;
+ goto FAILED;
+ }
+
+ /* All assertions used not to be repeatable, but this was changed for Perl
+ compatibility. All kinds can now be repeated except for assertions that are
+ conditions (Perl also forbids these to be repeated). We copy code into a
+ non-register variable (tempcode) in order to be able to pass its address
+ because some compilers complain otherwise. At the start of a conditional
+ group whose condition is an assertion, cd->iscondassert is set. We unset it
+ here so as to allow assertions later in the group to be quantified. */
+
+ if (bravalue >= OP_ASSERT && bravalue <= OP_ASSERTBACK_NOT &&
+ cd->iscondassert)
+ {
+ previous = NULL;
+ cd->iscondassert = FALSE;
+ }
+ else
+ {
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ }
+
+ *code = bravalue;
+ tempcode = code;
+ tempreqvary = cd->req_varyopt; /* Save value before bracket */
+ tempbracount = cd->bracount; /* Save value before bracket */
+ length_prevgroup = 0; /* Initialize for pre-compile phase */
+
+ if (!compile_regex(
+ newoptions, /* The complete new option state */
+ &tempcode, /* Where to put code (updated) */
+ &ptr, /* Input pointer (updated) */
+ errorcodeptr, /* Where to put an error message */
+ (bravalue == OP_ASSERTBACK ||
+ bravalue == OP_ASSERTBACK_NOT), /* TRUE if back assert */
+ reset_bracount, /* True if (?| group */
+ skipbytes, /* Skip over bracket number */
+ cond_depth +
+ ((bravalue == OP_COND)?1:0), /* Depth of condition subpatterns */
+ &subfirstchar, /* For possible first char */
+ &subfirstcharflags,
+ &subreqchar, /* For possible last char */
+ &subreqcharflags,
+ bcptr, /* Current branch chain */
+ cd, /* Tables block */
+ (lengthptr == NULL)? NULL : /* Actual compile phase */
+ &length_prevgroup /* Pre-compile phase */
+ ))
+ goto FAILED;
+
+ cd->parens_depth -= 1;
+
+ /* If this was an atomic group and there are no capturing groups within it,
+ generate OP_ONCE_NC instead of OP_ONCE. */
+
+ if (bravalue == OP_ONCE && cd->bracount <= tempbracount)
+ *code = OP_ONCE_NC;
+
+ if (bravalue >= OP_ASSERT && bravalue <= OP_ASSERTBACK_NOT)
+ cd->assert_depth -= 1;
+
+ /* At the end of compiling, code is still pointing to the start of the
+ group, while tempcode has been updated to point past the end of the group.
+ The pattern pointer (ptr) is on the bracket.
+
+ If this is a conditional bracket, check that there are no more than
+ two branches in the group, or just one if it's a DEFINE group. We do this
+ in the real compile phase, not in the pre-pass, where the whole group may
+ not be available. */
+
+ if (bravalue == OP_COND && lengthptr == NULL)
+ {
+ pcre_uchar *tc = code;
+ int condcount = 0;
+
+ do {
+ condcount++;
+ tc += GET(tc,1);
+ }
+ while (*tc != OP_KET);
+
+ /* A DEFINE group is never obeyed inline (the "condition" is always
+ false). It must have only one branch. */
+
+ if (code[LINK_SIZE+1] == OP_DEF)
+ {
+ if (condcount > 1)
+ {
+ *errorcodeptr = ERR54;
+ goto FAILED;
+ }
+ bravalue = OP_DEF; /* Just a flag to suppress char handling below */
+ }
+
+ /* A "normal" conditional group. If there is just one branch, we must not
+ make use of its firstchar or reqchar, because this is equivalent to an
+ empty second branch. */
+
+ else
+ {
+ if (condcount > 2)
+ {
+ *errorcodeptr = ERR27;
+ goto FAILED;
+ }
+ if (condcount == 1) subfirstcharflags = subreqcharflags = REQ_NONE;
+ }
+ }
+
+ /* Error if hit end of pattern */
+
+ if (*ptr != CHAR_RIGHT_PARENTHESIS)
+ {
+ *errorcodeptr = ERR14;
+ goto FAILED;
+ }
+
+ /* In the pre-compile phase, update the length by the length of the group,
+ less the brackets at either end. Then reduce the compiled code to just a
+ set of non-capturing brackets so that it doesn't use much memory if it is
+ duplicated by a quantifier.*/
+
+ if (lengthptr != NULL)
+ {
+ if (OFLOW_MAX - *lengthptr < length_prevgroup - 2 - 2*LINK_SIZE)
+ {
+ *errorcodeptr = ERR20;
+ goto FAILED;
+ }
+ *lengthptr += length_prevgroup - 2 - 2*LINK_SIZE;
+ code++; /* This already contains bravalue */
+ PUTINC(code, 0, 1 + LINK_SIZE);
+ *code++ = OP_KET;
+ PUTINC(code, 0, 1 + LINK_SIZE);
+ break; /* No need to waste time with special character handling */
+ }
+
+ /* Otherwise update the main code pointer to the end of the group. */
+
+ code = tempcode;
+
+ /* For a DEFINE group, required and first character settings are not
+ relevant. */
+
+ if (bravalue == OP_DEF) break;
+
+ /* Handle updating of the required and first characters for other types of
+ group. Update for normal brackets of all kinds, and conditions with two
+ branches (see code above). If the bracket is followed by a quantifier with
+ zero repeat, we have to back off. Hence the definition of zeroreqchar and
+ zerofirstchar outside the main loop so that they can be accessed for the
+ back off. */
+
+ zeroreqchar = reqchar;
+ zeroreqcharflags = reqcharflags;
+ zerofirstchar = firstchar;
+ zerofirstcharflags = firstcharflags;
+ groupsetfirstchar = FALSE;
+
+ if (bravalue >= OP_ONCE)
+ {
+ /* If we have not yet set a firstchar in this branch, take it from the
+ subpattern, remembering that it was set here so that a repeat of more
+ than one can replicate it as reqchar if necessary. If the subpattern has
+ no firstchar, set "none" for the whole branch. In both cases, a zero
+ repeat forces firstchar to "none". */
+
+ if (firstcharflags == REQ_UNSET)
+ {
+ if (subfirstcharflags >= 0)
+ {
+ firstchar = subfirstchar;
+ firstcharflags = subfirstcharflags;
+ groupsetfirstchar = TRUE;
+ }
+ else firstcharflags = REQ_NONE;
+ zerofirstcharflags = REQ_NONE;
+ }
+
+ /* If firstchar was previously set, convert the subpattern's firstchar
+ into reqchar if there wasn't one, using the vary flag that was in
+ existence beforehand. */
+
+ else if (subfirstcharflags >= 0 && subreqcharflags < 0)
+ {
+ subreqchar = subfirstchar;
+ subreqcharflags = subfirstcharflags | tempreqvary;
+ }
+
+ /* If the subpattern set a required byte (or set a first byte that isn't
+ really the first byte - see above), set it. */
+
+ if (subreqcharflags >= 0)
+ {
+ reqchar = subreqchar;
+ reqcharflags = subreqcharflags;
+ }
+ }
+
+ /* For a forward assertion, we take the reqchar, if set, provided that the
+ group has also set a first char. This can be helpful if the pattern that
+ follows the assertion doesn't set a different char. For example, it's
+ useful for /(?=abcde).+/. We can't set firstchar for an assertion, however
+ because it leads to incorrect effect for patterns such as /(?=a)a.+/ when
+ the "real" "a" would then become a reqchar instead of a firstchar. This is
+ overcome by a scan at the end if there's no firstchar, looking for an
+ asserted first char. */
+
+ else if (bravalue == OP_ASSERT && subreqcharflags >= 0 &&
+ subfirstcharflags >= 0)
+ {
+ reqchar = subreqchar;
+ reqcharflags = subreqcharflags;
+ }
+ break; /* End of processing '(' */
+
+
+ /* ===================================================================*/
+ /* Handle metasequences introduced by \. For ones like \d, the ESC_ values
+ are arranged to be the negation of the corresponding OP_values in the
+ default case when PCRE_UCP is not set. For the back references, the values
+ are negative the reference number. Only back references and those types
+ that consume a character may be repeated. We can test for values between
+ ESC_b and ESC_Z for the latter; this may have to change if any new ones are
+ ever created. */
+
+ case CHAR_BACKSLASH:
+ tempptr = ptr;
+ escape = check_escape(&ptr, &ec, errorcodeptr, cd->bracount, options, FALSE);
+ if (*errorcodeptr != 0) goto FAILED;
+
+ if (escape == 0) /* The escape coded a single character */
+ c = ec;
+ else
+ {
+ /* For metasequences that actually match a character, we disable the
+ setting of a first character if it hasn't already been set. */
+
+ if (firstcharflags == REQ_UNSET && escape > ESC_b && escape < ESC_Z)
+ firstcharflags = REQ_NONE;
+
+ /* Set values to reset to if this is followed by a zero repeat. */
+
+ zerofirstchar = firstchar;
+ zerofirstcharflags = firstcharflags;
+ zeroreqchar = reqchar;
+ zeroreqcharflags = reqcharflags;
+
+ /* \g<name> or \g'name' is a subroutine call by name and \g<n> or \g'n'
+ is a subroutine call by number (Oniguruma syntax). In fact, the value
+ ESC_g is returned only for these cases. So we don't need to check for <
+ or ' if the value is ESC_g. For the Perl syntax \g{n} the value is
+ -n, and for the Perl syntax \g{name} the result is ESC_k (as
+ that is a synonym for a named back reference). */
+
+ if (escape == ESC_g)
+ {
+ const pcre_uchar *p;
+ pcre_uint32 cf;
+
+ item_hwm_offset = cd->hwm - cd->start_workspace; /* Normally this is set when '(' is read */
+ terminator = (*(++ptr) == CHAR_LESS_THAN_SIGN)?
+ CHAR_GREATER_THAN_SIGN : CHAR_APOSTROPHE;
+
+ /* These two statements stop the compiler for warning about possibly
+ unset variables caused by the jump to HANDLE_NUMERICAL_RECURSION. In
+ fact, because we do the check for a number below, the paths that
+ would actually be in error are never taken. */
+
+ skipbytes = 0;
+ reset_bracount = FALSE;
+
+ /* If it's not a signed or unsigned number, treat it as a name. */
+
+ cf = ptr[1];
+ if (cf != CHAR_PLUS && cf != CHAR_MINUS && !IS_DIGIT(cf))
+ {
+ is_recurse = TRUE;
+ goto NAMED_REF_OR_RECURSE;
+ }
+
+ /* Signed or unsigned number (cf = ptr[1]) is known to be plus or minus
+ or a digit. */
+
+ p = ptr + 2;
+ while (IS_DIGIT(*p)) p++;
+ if (*p != (pcre_uchar)terminator)
+ {
+ *errorcodeptr = ERR57;
+ goto FAILED;
+ }
+ ptr++;
+ goto HANDLE_NUMERICAL_RECURSION;
+ }
+
+ /* \k<name> or \k'name' is a back reference by name (Perl syntax).
+ We also support \k{name} (.NET syntax). */
+
+ if (escape == ESC_k)
+ {
+ if ((ptr[1] != CHAR_LESS_THAN_SIGN &&
+ ptr[1] != CHAR_APOSTROPHE && ptr[1] != CHAR_LEFT_CURLY_BRACKET))
+ {
+ *errorcodeptr = ERR69;
+ goto FAILED;
+ }
+ is_recurse = FALSE;
+ terminator = (*(++ptr) == CHAR_LESS_THAN_SIGN)?
+ CHAR_GREATER_THAN_SIGN : (*ptr == CHAR_APOSTROPHE)?
+ CHAR_APOSTROPHE : CHAR_RIGHT_CURLY_BRACKET;
+ goto NAMED_REF_OR_RECURSE;
+ }
+
+ /* Back references are handled specially; must disable firstchar if
+ not set to cope with cases like (?=(\w+))\1: which would otherwise set
+ ':' later. */
+
+ if (escape < 0)
+ {
+ open_capitem *oc;
+ recno = -escape;
+
+ /* Come here from named backref handling when the reference is to a
+ single group (i.e. not to a duplicated name. */
+
+ HANDLE_REFERENCE:
+ if (firstcharflags == REQ_UNSET) zerofirstcharflags = firstcharflags = REQ_NONE;
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ *code++ = ((options & PCRE_CASELESS) != 0)? OP_REFI : OP_REF;
+ PUT2INC(code, 0, recno);
+ cd->backref_map |= (recno < 32)? (1 << recno) : 1;
+ if (recno > cd->top_backref) cd->top_backref = recno;
+
+ /* Check to see if this back reference is recursive, that it, it
+ is inside the group that it references. A flag is set so that the
+ group can be made atomic. */
+
+ for (oc = cd->open_caps; oc != NULL; oc = oc->next)
+ {
+ if (oc->number == recno)
+ {
+ oc->flag = TRUE;
+ break;
+ }
+ }
+ }
+
+ /* So are Unicode property matches, if supported. */
+
+#ifdef SUPPORT_UCP
+ else if (escape == ESC_P || escape == ESC_p)
+ {
+ BOOL negated;
+ unsigned int ptype = 0, pdata = 0;
+ if (!get_ucp(&ptr, &negated, &ptype, &pdata, errorcodeptr))
+ goto FAILED;
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ *code++ = ((escape == ESC_p) != negated)? OP_PROP : OP_NOTPROP;
+ *code++ = ptype;
+ *code++ = pdata;
+ }
+#else
+
+ /* If Unicode properties are not supported, \X, \P, and \p are not
+ allowed. */
+
+ else if (escape == ESC_X || escape == ESC_P || escape == ESC_p)
+ {
+ *errorcodeptr = ERR45;
+ goto FAILED;
+ }
+#endif
+
+ /* For the rest (including \X when Unicode properties are supported), we
+ can obtain the OP value by negating the escape value in the default
+ situation when PCRE_UCP is not set. When it *is* set, we substitute
+ Unicode property tests. Note that \b and \B do a one-character
+ lookbehind, and \A also behaves as if it does. */
+
+ else
+ {
+ if ((escape == ESC_b || escape == ESC_B || escape == ESC_A) &&
+ cd->max_lookbehind == 0)
+ cd->max_lookbehind = 1;
+#ifdef SUPPORT_UCP
+ if (escape >= ESC_DU && escape <= ESC_wu)
+ {
+ nestptr = ptr + 1; /* Where to resume */
+ ptr = substitutes[escape - ESC_DU] - 1; /* Just before substitute */
+ }
+ else
+#endif
+ /* In non-UTF-8 mode, we turn \C into OP_ALLANY instead of OP_ANYBYTE
+ so that it works in DFA mode and in lookbehinds. */
+
+ {
+ previous = (escape > ESC_b && escape < ESC_Z)? code : NULL;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+ *code++ = (!utf && escape == ESC_C)? OP_ALLANY : escape;
+ }
+ }
+ continue;
+ }
+
+ /* We have a data character whose value is in c. In UTF-8 mode it may have
+ a value > 127. We set its representation in the length/buffer, and then
+ handle it as a data character. */
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf && c > MAX_VALUE_FOR_SINGLE_CHAR)
+ mclength = PRIV(ord2utf)(c, mcbuffer);
+ else
+#endif
+
+ {
+ mcbuffer[0] = c;
+ mclength = 1;
+ }
+ goto ONE_CHAR;
+
+
+ /* ===================================================================*/
+ /* Handle a literal character. It is guaranteed not to be whitespace or #
+ when the extended flag is set. If we are in a UTF mode, it may be a
+ multi-unit literal character. */
+
+ default:
+ NORMAL_CHAR:
+ mclength = 1;
+ mcbuffer[0] = c;
+
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(c))
+ ACROSSCHAR(TRUE, ptr[1], mcbuffer[mclength++] = *(++ptr));
+#endif
+
+ /* At this point we have the character's bytes in mcbuffer, and the length
+ in mclength. When not in UTF-8 mode, the length is always 1. */
+
+ ONE_CHAR:
+ previous = code;
+ item_hwm_offset = cd->hwm - cd->start_workspace;
+
+ /* For caseless UTF-8 mode when UCP support is available, check whether
+ this character has more than one other case. If so, generate a special
+ OP_PROP item instead of OP_CHARI. */
+
+#ifdef SUPPORT_UCP
+ if (utf && (options & PCRE_CASELESS) != 0)
+ {
+ GETCHAR(c, mcbuffer);
+ if ((c = UCD_CASESET(c)) != 0)
+ {
+ *code++ = OP_PROP;
+ *code++ = PT_CLIST;
+ *code++ = c;
+ if (firstcharflags == REQ_UNSET)
+ firstcharflags = zerofirstcharflags = REQ_NONE;
+ break;
+ }
+ }
+#endif
+
+ /* Caseful matches, or not one of the multicase characters. */
+
+ *code++ = ((options & PCRE_CASELESS) != 0)? OP_CHARI : OP_CHAR;
+ for (c = 0; c < mclength; c++) *code++ = mcbuffer[c];
+
+ /* Remember if \r or \n were seen */
+
+ if (mcbuffer[0] == CHAR_CR || mcbuffer[0] == CHAR_NL)
+ cd->external_flags |= PCRE_HASCRORLF;
+
+ /* Set the first and required bytes appropriately. If no previous first
+ byte, set it from this character, but revert to none on a zero repeat.
+ Otherwise, leave the firstchar value alone, and don't change it on a zero
+ repeat. */
+
+ if (firstcharflags == REQ_UNSET)
+ {
+ zerofirstcharflags = REQ_NONE;
+ zeroreqchar = reqchar;
+ zeroreqcharflags = reqcharflags;
+
+ /* If the character is more than one byte long, we can set firstchar
+ only if it is not to be matched caselessly. */
+
+ if (mclength == 1 || req_caseopt == 0)
+ {
+ firstchar = mcbuffer[0];
+ firstcharflags = req_caseopt;
+
+ if (mclength != 1)
+ {
+ reqchar = code[-1];
+ reqcharflags = cd->req_varyopt;
+ }
+ }
+ else firstcharflags = reqcharflags = REQ_NONE;
+ }
+
+ /* firstchar was previously set; we can set reqchar only if the length is
+ 1 or the matching is caseful. */
+
+ else
+ {
+ zerofirstchar = firstchar;
+ zerofirstcharflags = firstcharflags;
+ zeroreqchar = reqchar;
+ zeroreqcharflags = reqcharflags;
+ if (mclength == 1 || req_caseopt == 0)
+ {
+ reqchar = code[-1];
+ reqcharflags = req_caseopt | cd->req_varyopt;
+ }
+ }
+
+ break; /* End of literal character handling */
+ }
+ } /* end of big loop */
+
+
+/* Control never reaches here by falling through, only by a goto for all the
+error states. Pass back the position in the pattern so that it can be displayed
+to the user for diagnosing the error. */
+
+FAILED:
+*ptrptr = ptr;
+return FALSE;
+}
+
+
+
+/*************************************************
+* Compile sequence of alternatives *
+*************************************************/
+
+/* On entry, ptr is pointing past the bracket character, but on return it
+points to the closing bracket, or vertical bar, or end of string. The code
+variable is pointing at the byte into which the BRA operator has been stored.
+This function is used during the pre-compile phase when we are trying to find
+out the amount of memory needed, as well as during the real compile phase. The
+value of lengthptr distinguishes the two phases.
+
+Arguments:
+ options option bits, including any changes for this subpattern
+ codeptr -> the address of the current code pointer
+ ptrptr -> the address of the current pattern pointer
+ errorcodeptr -> pointer to error code variable
+ lookbehind TRUE if this is a lookbehind assertion
+ reset_bracount TRUE to reset the count for each branch
+ skipbytes skip this many bytes at start (for brackets and OP_COND)
+ cond_depth depth of nesting for conditional subpatterns
+ firstcharptr place to put the first required character
+ firstcharflagsptr place to put the first character flags, or a negative number
+ reqcharptr place to put the last required character
+ reqcharflagsptr place to put the last required character flags, or a negative number
+ bcptr pointer to the chain of currently open branches
+ cd points to the data block with tables pointers etc.
+ lengthptr NULL during the real compile phase
+ points to length accumulator during pre-compile phase
+
+Returns: TRUE on success
+*/
+
+static BOOL
+compile_regex(int options, pcre_uchar **codeptr, const pcre_uchar **ptrptr,
+ int *errorcodeptr, BOOL lookbehind, BOOL reset_bracount, int skipbytes,
+ int cond_depth,
+ pcre_uint32 *firstcharptr, pcre_int32 *firstcharflagsptr,
+ pcre_uint32 *reqcharptr, pcre_int32 *reqcharflagsptr,
+ branch_chain *bcptr, compile_data *cd, int *lengthptr)
+{
+const pcre_uchar *ptr = *ptrptr;
+pcre_uchar *code = *codeptr;
+pcre_uchar *last_branch = code;
+pcre_uchar *start_bracket = code;
+pcre_uchar *reverse_count = NULL;
+open_capitem capitem;
+int capnumber = 0;
+pcre_uint32 firstchar, reqchar;
+pcre_int32 firstcharflags, reqcharflags;
+pcre_uint32 branchfirstchar, branchreqchar;
+pcre_int32 branchfirstcharflags, branchreqcharflags;
+int length;
+unsigned int orig_bracount;
+unsigned int max_bracount;
+branch_chain bc;
+size_t save_hwm_offset;
+
+/* If set, call the external function that checks for stack availability. */
+
+if (PUBL(stack_guard) != NULL && PUBL(stack_guard)())
+ {
+ *errorcodeptr= ERR85;
+ return FALSE;
+ }
+
+/* Miscellaneous initialization */
+
+bc.outer = bcptr;
+bc.current_branch = code;
+
+firstchar = reqchar = 0;
+firstcharflags = reqcharflags = REQ_UNSET;
+
+save_hwm_offset = cd->hwm - cd->start_workspace;
+
+/* Accumulate the length for use in the pre-compile phase. Start with the
+length of the BRA and KET and any extra bytes that are required at the
+beginning. We accumulate in a local variable to save frequent testing of
+lenthptr for NULL. We cannot do this by looking at the value of code at the
+start and end of each alternative, because compiled items are discarded during
+the pre-compile phase so that the work space is not exceeded. */
+
+length = 2 + 2*LINK_SIZE + skipbytes;
+
+/* WARNING: If the above line is changed for any reason, you must also change
+the code that abstracts option settings at the start of the pattern and makes
+them global. It tests the value of length for (2 + 2*LINK_SIZE) in the
+pre-compile phase to find out whether anything has yet been compiled or not. */
+
+/* If this is a capturing subpattern, add to the chain of open capturing items
+so that we can detect them if (*ACCEPT) is encountered. This is also used to
+detect groups that contain recursive back references to themselves. Note that
+only OP_CBRA need be tested here; changing this opcode to one of its variants,
+e.g. OP_SCBRAPOS, happens later, after the group has been compiled. */
+
+if (*code == OP_CBRA)
+ {
+ capnumber = GET2(code, 1 + LINK_SIZE);
+ capitem.number = capnumber;
+ capitem.next = cd->open_caps;
+ capitem.flag = FALSE;
+ cd->open_caps = &capitem;
+ }
+
+/* Offset is set zero to mark that this bracket is still open */
+
+PUT(code, 1, 0);
+code += 1 + LINK_SIZE + skipbytes;
+
+/* Loop for each alternative branch */
+
+orig_bracount = max_bracount = cd->bracount;
+for (;;)
+ {
+ /* For a (?| group, reset the capturing bracket count so that each branch
+ uses the same numbers. */
+
+ if (reset_bracount) cd->bracount = orig_bracount;
+
+ /* Set up dummy OP_REVERSE if lookbehind assertion */
+
+ if (lookbehind)
+ {
+ *code++ = OP_REVERSE;
+ reverse_count = code;
+ PUTINC(code, 0, 0);
+ length += 1 + LINK_SIZE;
+ }
+
+ /* Now compile the branch; in the pre-compile phase its length gets added
+ into the length. */
+
+ if (!compile_branch(&options, &code, &ptr, errorcodeptr, &branchfirstchar,
+ &branchfirstcharflags, &branchreqchar, &branchreqcharflags, &bc,
+ cond_depth, cd, (lengthptr == NULL)? NULL : &length))
+ {
+ *ptrptr = ptr;
+ return FALSE;
+ }
+
+ /* Keep the highest bracket count in case (?| was used and some branch
+ has fewer than the rest. */
+
+ if (cd->bracount > max_bracount) max_bracount = cd->bracount;
+
+ /* In the real compile phase, there is some post-processing to be done. */
+
+ if (lengthptr == NULL)
+ {
+ /* If this is the first branch, the firstchar and reqchar values for the
+ branch become the values for the regex. */
+
+ if (*last_branch != OP_ALT)
+ {
+ firstchar = branchfirstchar;
+ firstcharflags = branchfirstcharflags;
+ reqchar = branchreqchar;
+ reqcharflags = branchreqcharflags;
+ }
+
+ /* If this is not the first branch, the first char and reqchar have to
+ match the values from all the previous branches, except that if the
+ previous value for reqchar didn't have REQ_VARY set, it can still match,
+ and we set REQ_VARY for the regex. */
+
+ else
+ {
+ /* If we previously had a firstchar, but it doesn't match the new branch,
+ we have to abandon the firstchar for the regex, but if there was
+ previously no reqchar, it takes on the value of the old firstchar. */
+
+ if (firstcharflags >= 0 &&
+ (firstcharflags != branchfirstcharflags || firstchar != branchfirstchar))
+ {
+ if (reqcharflags < 0)
+ {
+ reqchar = firstchar;
+ reqcharflags = firstcharflags;
+ }
+ firstcharflags = REQ_NONE;
+ }
+
+ /* If we (now or from before) have no firstchar, a firstchar from the
+ branch becomes a reqchar if there isn't a branch reqchar. */
+
+ if (firstcharflags < 0 && branchfirstcharflags >= 0 && branchreqcharflags < 0)
+ {
+ branchreqchar = branchfirstchar;
+ branchreqcharflags = branchfirstcharflags;
+ }
+
+ /* Now ensure that the reqchars match */
+
+ if (((reqcharflags & ~REQ_VARY) != (branchreqcharflags & ~REQ_VARY)) ||
+ reqchar != branchreqchar)
+ reqcharflags = REQ_NONE;
+ else
+ {
+ reqchar = branchreqchar;
+ reqcharflags |= branchreqcharflags; /* To "or" REQ_VARY */
+ }
+ }
+
+ /* If lookbehind, check that this branch matches a fixed-length string, and
+ put the length into the OP_REVERSE item. Temporarily mark the end of the
+ branch with OP_END. If the branch contains OP_RECURSE, the result is -3
+ because there may be forward references that we can't check here. Set a
+ flag to cause another lookbehind check at the end. Why not do it all at the
+ end? Because common, erroneous checks are picked up here and the offset of
+ the problem can be shown. */
+
+ if (lookbehind)
+ {
+ int fixed_length;
+ *code = OP_END;
+ fixed_length = find_fixedlength(last_branch, (options & PCRE_UTF8) != 0,
+ FALSE, cd, NULL);
+ DPRINTF(("fixed length = %d\n", fixed_length));
+ if (fixed_length == -3)
+ {
+ cd->check_lookbehind = TRUE;
+ }
+ else if (fixed_length < 0)
+ {
+ *errorcodeptr = (fixed_length == -2)? ERR36 :
+ (fixed_length == -4)? ERR70: ERR25;
+ *ptrptr = ptr;
+ return FALSE;
+ }
+ else
+ {
+ if (fixed_length > cd->max_lookbehind)
+ cd->max_lookbehind = fixed_length;
+ PUT(reverse_count, 0, fixed_length);
+ }
+ }
+ }
+
+ /* Reached end of expression, either ')' or end of pattern. In the real
+ compile phase, go back through the alternative branches and reverse the chain
+ of offsets, with the field in the BRA item now becoming an offset to the
+ first alternative. If there are no alternatives, it points to the end of the
+ group. The length in the terminating ket is always the length of the whole
+ bracketed item. Return leaving the pointer at the terminating char. */
+
+ if (*ptr != CHAR_VERTICAL_LINE)
+ {
+ if (lengthptr == NULL)
+ {
+ int branch_length = (int)(code - last_branch);
+ do
+ {
+ int prev_length = GET(last_branch, 1);
+ PUT(last_branch, 1, branch_length);
+ branch_length = prev_length;
+ last_branch -= branch_length;
+ }
+ while (branch_length > 0);
+ }
+
+ /* Fill in the ket */
+
+ *code = OP_KET;
+ PUT(code, 1, (int)(code - start_bracket));
+ code += 1 + LINK_SIZE;
+
+ /* If it was a capturing subpattern, check to see if it contained any
+ recursive back references. If so, we must wrap it in atomic brackets.
+ Because we are moving code along, we must ensure that any pending recursive
+ references are updated. In any event, remove the block from the chain. */
+
+ if (capnumber > 0)
+ {
+ if (cd->open_caps->flag)
+ {
+ *code = OP_END;
+ adjust_recurse(start_bracket, 1 + LINK_SIZE,
+ (options & PCRE_UTF8) != 0, cd, save_hwm_offset);
+ memmove(start_bracket + 1 + LINK_SIZE, start_bracket,
+ IN_UCHARS(code - start_bracket));
+ *start_bracket = OP_ONCE;
+ code += 1 + LINK_SIZE;
+ PUT(start_bracket, 1, (int)(code - start_bracket));
+ *code = OP_KET;
+ PUT(code, 1, (int)(code - start_bracket));
+ code += 1 + LINK_SIZE;
+ length += 2 + 2*LINK_SIZE;
+ }
+ cd->open_caps = cd->open_caps->next;
+ }
+
+ /* Retain the highest bracket number, in case resetting was used. */
+
+ cd->bracount = max_bracount;
+
+ /* Set values to pass back */
+
+ *codeptr = code;
+ *ptrptr = ptr;
+ *firstcharptr = firstchar;
+ *firstcharflagsptr = firstcharflags;
+ *reqcharptr = reqchar;
+ *reqcharflagsptr = reqcharflags;
+ if (lengthptr != NULL)
+ {
+ if (OFLOW_MAX - *lengthptr < length)
+ {
+ *errorcodeptr = ERR20;
+ return FALSE;
+ }
+ *lengthptr += length;
+ }
+ return TRUE;
+ }
+
+ /* Another branch follows. In the pre-compile phase, we can move the code
+ pointer back to where it was for the start of the first branch. (That is,
+ pretend that each branch is the only one.)
+
+ In the real compile phase, insert an ALT node. Its length field points back
+ to the previous branch while the bracket remains open. At the end the chain
+ is reversed. It's done like this so that the start of the bracket has a
+ zero offset until it is closed, making it possible to detect recursion. */
+
+ if (lengthptr != NULL)
+ {
+ code = *codeptr + 1 + LINK_SIZE + skipbytes;
+ length += 1 + LINK_SIZE;
+ }
+ else
+ {
+ *code = OP_ALT;
+ PUT(code, 1, (int)(code - last_branch));
+ bc.current_branch = last_branch = code;
+ code += 1 + LINK_SIZE;
+ }
+
+ ptr++;
+ }
+/* Control never reaches here */
+}
+
+
+
+
+/*************************************************
+* Check for anchored expression *
+*************************************************/
+
+/* Try to find out if this is an anchored regular expression. Consider each
+alternative branch. If they all start with OP_SOD or OP_CIRC, or with a bracket
+all of whose alternatives start with OP_SOD or OP_CIRC (recurse ad lib), then
+it's anchored. However, if this is a multiline pattern, then only OP_SOD will
+be found, because ^ generates OP_CIRCM in that mode.
+
+We can also consider a regex to be anchored if OP_SOM starts all its branches.
+This is the code for \G, which means "match at start of match position, taking
+into account the match offset".
+
+A branch is also implicitly anchored if it starts with .* and DOTALL is set,
+because that will try the rest of the pattern at all possible matching points,
+so there is no point trying again.... er ....
+
+.... except when the .* appears inside capturing parentheses, and there is a
+subsequent back reference to those parentheses. We haven't enough information
+to catch that case precisely.
+
+At first, the best we could do was to detect when .* was in capturing brackets
+and the highest back reference was greater than or equal to that level.
+However, by keeping a bitmap of the first 31 back references, we can catch some
+of the more common cases more precisely.
+
+... A second exception is when the .* appears inside an atomic group, because
+this prevents the number of characters it matches from being adjusted.
+
+Arguments:
+ code points to start of expression (the bracket)
+ bracket_map a bitmap of which brackets we are inside while testing; this
+ handles up to substring 31; after that we just have to take
+ the less precise approach
+ cd points to the compile data block
+ atomcount atomic group level
+
+Returns: TRUE or FALSE
+*/
+
+static BOOL
+is_anchored(register const pcre_uchar *code, unsigned int bracket_map,
+ compile_data *cd, int atomcount)
+{
+do {
+ const pcre_uchar *scode = first_significant_code(
+ code + PRIV(OP_lengths)[*code], FALSE);
+ register int op = *scode;
+
+ /* Non-capturing brackets */
+
+ if (op == OP_BRA || op == OP_BRAPOS ||
+ op == OP_SBRA || op == OP_SBRAPOS)
+ {
+ if (!is_anchored(scode, bracket_map, cd, atomcount)) return FALSE;
+ }
+
+ /* Capturing brackets */
+
+ else if (op == OP_CBRA || op == OP_CBRAPOS ||
+ op == OP_SCBRA || op == OP_SCBRAPOS)
+ {
+ int n = GET2(scode, 1+LINK_SIZE);
+ int new_map = bracket_map | ((n < 32)? (1 << n) : 1);
+ if (!is_anchored(scode, new_map, cd, atomcount)) return FALSE;
+ }
+
+ /* Positive forward assertions and conditions */
+
+ else if (op == OP_ASSERT || op == OP_COND)
+ {
+ if (!is_anchored(scode, bracket_map, cd, atomcount)) return FALSE;
+ }
+
+ /* Atomic groups */
+
+ else if (op == OP_ONCE || op == OP_ONCE_NC)
+ {
+ if (!is_anchored(scode, bracket_map, cd, atomcount + 1))
+ return FALSE;
+ }
+
+ /* .* is not anchored unless DOTALL is set (which generates OP_ALLANY) and
+ it isn't in brackets that are or may be referenced or inside an atomic
+ group. */
+
+ else if ((op == OP_TYPESTAR || op == OP_TYPEMINSTAR ||
+ op == OP_TYPEPOSSTAR))
+ {
+ if (scode[1] != OP_ALLANY || (bracket_map & cd->backref_map) != 0 ||
+ atomcount > 0 || cd->had_pruneorskip)
+ return FALSE;
+ }
+
+ /* Check for explicit anchoring */
+
+ else if (op != OP_SOD && op != OP_SOM && op != OP_CIRC) return FALSE;
+
+ code += GET(code, 1);
+ }
+while (*code == OP_ALT); /* Loop for each alternative */
+return TRUE;
+}
+
+
+
+/*************************************************
+* Check for starting with ^ or .* *
+*************************************************/
+
+/* This is called to find out if every branch starts with ^ or .* so that
+"first char" processing can be done to speed things up in multiline
+matching and for non-DOTALL patterns that start with .* (which must start at
+the beginning or after \n). As in the case of is_anchored() (see above), we
+have to take account of back references to capturing brackets that contain .*
+because in that case we can't make the assumption. Also, the appearance of .*
+inside atomic brackets or in an assertion, or in a pattern that contains *PRUNE
+or *SKIP does not count, because once again the assumption no longer holds.
+
+Arguments:
+ code points to start of expression (the bracket)
+ bracket_map a bitmap of which brackets we are inside while testing; this
+ handles up to substring 31; after that we just have to take
+ the less precise approach
+ cd points to the compile data
+ atomcount atomic group level
+ inassert TRUE if in an assertion
+
+Returns: TRUE or FALSE
+*/
+
+static BOOL
+is_startline(const pcre_uchar *code, unsigned int bracket_map,
+ compile_data *cd, int atomcount, BOOL inassert)
+{
+do {
+ const pcre_uchar *scode = first_significant_code(
+ code + PRIV(OP_lengths)[*code], FALSE);
+ register int op = *scode;
+
+ /* If we are at the start of a conditional assertion group, *both* the
+ conditional assertion *and* what follows the condition must satisfy the test
+ for start of line. Other kinds of condition fail. Note that there may be an
+ auto-callout at the start of a condition. */
+
+ if (op == OP_COND)
+ {
+ scode += 1 + LINK_SIZE;
+ if (*scode == OP_CALLOUT) scode += PRIV(OP_lengths)[OP_CALLOUT];
+ switch (*scode)
+ {
+ case OP_CREF:
+ case OP_DNCREF:
+ case OP_RREF:
+ case OP_DNRREF:
+ case OP_DEF:
+ case OP_FAIL:
+ return FALSE;
+
+ default: /* Assertion */
+ if (!is_startline(scode, bracket_map, cd, atomcount, TRUE)) return FALSE;
+ do scode += GET(scode, 1); while (*scode == OP_ALT);
+ scode += 1 + LINK_SIZE;
+ break;
+ }
+ scode = first_significant_code(scode, FALSE);
+ op = *scode;
+ }
+
+ /* Non-capturing brackets */
+
+ if (op == OP_BRA || op == OP_BRAPOS ||
+ op == OP_SBRA || op == OP_SBRAPOS)
+ {
+ if (!is_startline(scode, bracket_map, cd, atomcount, inassert)) return FALSE;
+ }
+
+ /* Capturing brackets */
+
+ else if (op == OP_CBRA || op == OP_CBRAPOS ||
+ op == OP_SCBRA || op == OP_SCBRAPOS)
+ {
+ int n = GET2(scode, 1+LINK_SIZE);
+ int new_map = bracket_map | ((n < 32)? (1 << n) : 1);
+ if (!is_startline(scode, new_map, cd, atomcount, inassert)) return FALSE;
+ }
+
+ /* Positive forward assertions */
+
+ else if (op == OP_ASSERT)
+ {
+ if (!is_startline(scode, bracket_map, cd, atomcount, TRUE)) return FALSE;
+ }
+
+ /* Atomic brackets */
+
+ else if (op == OP_ONCE || op == OP_ONCE_NC)
+ {
+ if (!is_startline(scode, bracket_map, cd, atomcount + 1, inassert)) return FALSE;
+ }
+
+ /* .* means "start at start or after \n" if it isn't in atomic brackets or
+ brackets that may be referenced or an assertion, as long as the pattern does
+ not contain *PRUNE or *SKIP, because these break the feature. Consider, for
+ example, /.*?a(*PRUNE)b/ with the subject "aab", which matches "ab", i.e.
+ not at the start of a line. */
+
+ else if (op == OP_TYPESTAR || op == OP_TYPEMINSTAR || op == OP_TYPEPOSSTAR)
+ {
+ if (scode[1] != OP_ANY || (bracket_map & cd->backref_map) != 0 ||
+ atomcount > 0 || cd->had_pruneorskip || inassert)
+ return FALSE;
+ }
+
+ /* Check for explicit circumflex; anything else gives a FALSE result. Note
+ in particular that this includes atomic brackets OP_ONCE and OP_ONCE_NC
+ because the number of characters matched by .* cannot be adjusted inside
+ them. */
+
+ else if (op != OP_CIRC && op != OP_CIRCM) return FALSE;
+
+ /* Move on to the next alternative */
+
+ code += GET(code, 1);
+ }
+while (*code == OP_ALT); /* Loop for each alternative */
+return TRUE;
+}
+
+
+
+/*************************************************
+* Check for asserted fixed first char *
+*************************************************/
+
+/* During compilation, the "first char" settings from forward assertions are
+discarded, because they can cause conflicts with actual literals that follow.
+However, if we end up without a first char setting for an unanchored pattern,
+it is worth scanning the regex to see if there is an initial asserted first
+char. If all branches start with the same asserted char, or with a
+non-conditional bracket all of whose alternatives start with the same asserted
+char (recurse ad lib), then we return that char, with the flags set to zero or
+REQ_CASELESS; otherwise return zero with REQ_NONE in the flags.
+
+Arguments:
+ code points to start of expression (the bracket)
+ flags points to the first char flags, or to REQ_NONE
+ inassert TRUE if in an assertion
+
+Returns: the fixed first char, or 0 with REQ_NONE in flags
+*/
+
+static pcre_uint32
+find_firstassertedchar(const pcre_uchar *code, pcre_int32 *flags,
+ BOOL inassert)
+{
+register pcre_uint32 c = 0;
+int cflags = REQ_NONE;
+
+*flags = REQ_NONE;
+do {
+ pcre_uint32 d;
+ int dflags;
+ int xl = (*code == OP_CBRA || *code == OP_SCBRA ||
+ *code == OP_CBRAPOS || *code == OP_SCBRAPOS)? IMM2_SIZE:0;
+ const pcre_uchar *scode = first_significant_code(code + 1+LINK_SIZE + xl,
+ TRUE);
+ register pcre_uchar op = *scode;
+
+ switch(op)
+ {
+ default:
+ return 0;
+
+ case OP_BRA:
+ case OP_BRAPOS:
+ case OP_CBRA:
+ case OP_SCBRA:
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ case OP_ASSERT:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ d = find_firstassertedchar(scode, &dflags, op == OP_ASSERT);
+ if (dflags < 0)
+ return 0;
+ if (cflags < 0) { c = d; cflags = dflags; } else if (c != d || cflags != dflags) return 0;
+ break;
+
+ case OP_EXACT:
+ scode += IMM2_SIZE;
+ /* Fall through */
+
+ case OP_CHAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_POSPLUS:
+ if (!inassert) return 0;
+ if (cflags < 0) { c = scode[1]; cflags = 0; }
+ else if (c != scode[1]) return 0;
+ break;
+
+ case OP_EXACTI:
+ scode += IMM2_SIZE;
+ /* Fall through */
+
+ case OP_CHARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_POSPLUSI:
+ if (!inassert) return 0;
+ if (cflags < 0) { c = scode[1]; cflags = REQ_CASELESS; }
+ else if (c != scode[1]) return 0;
+ break;
+ }
+
+ code += GET(code, 1);
+ }
+while (*code == OP_ALT);
+
+*flags = cflags;
+return c;
+}
+
+
+
+/*************************************************
+* Add an entry to the name/number table *
+*************************************************/
+
+/* This function is called between compiling passes to add an entry to the
+name/number table, maintaining alphabetical order. Checking for permitted
+and forbidden duplicates has already been done.
+
+Arguments:
+ cd the compile data block
+ name the name to add
+ length the length of the name
+ groupno the group number
+
+Returns: nothing
+*/
+
+static void
+add_name(compile_data *cd, const pcre_uchar *name, int length,
+ unsigned int groupno)
+{
+int i;
+pcre_uchar *slot = cd->name_table;
+
+for (i = 0; i < cd->names_found; i++)
+ {
+ int crc = memcmp(name, slot+IMM2_SIZE, IN_UCHARS(length));
+ if (crc == 0 && slot[IMM2_SIZE+length] != 0)
+ crc = -1; /* Current name is a substring */
+
+ /* Make space in the table and break the loop for an earlier name. For a
+ duplicate or later name, carry on. We do this for duplicates so that in the
+ simple case (when ?(| is not used) they are in order of their numbers. In all
+ cases they are in the order in which they appear in the pattern. */
+
+ if (crc < 0)
+ {
+ memmove(slot + cd->name_entry_size, slot,
+ IN_UCHARS((cd->names_found - i) * cd->name_entry_size));
+ break;
+ }
+
+ /* Continue the loop for a later or duplicate name */
+
+ slot += cd->name_entry_size;
+ }
+
+PUT2(slot, 0, groupno);
+memcpy(slot + IMM2_SIZE, name, IN_UCHARS(length));
+slot[IMM2_SIZE + length] = 0;
+cd->names_found++;
+}
+
+
+
+/*************************************************
+* Compile a Regular Expression *
+*************************************************/
+
+/* This function takes a string and returns a pointer to a block of store
+holding a compiled version of the expression. The original API for this
+function had no error code return variable; it is retained for backwards
+compatibility. The new function is given a new name.
+
+Arguments:
+ pattern the regular expression
+ options various option bits
+ errorcodeptr pointer to error code variable (pcre_compile2() only)
+ can be NULL if you don't want a code value
+ errorptr pointer to pointer to error text
+ erroroffset ptr offset in pattern where error was detected
+ tables pointer to character tables or NULL
+
+Returns: pointer to compiled data block, or NULL on error,
+ with errorptr and erroroffset set
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN pcre * PCRE_CALL_CONVENTION
+pcre_compile(const char *pattern, int options, const char **errorptr,
+ int *erroroffset, const unsigned char *tables)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN pcre16 * PCRE_CALL_CONVENTION
+pcre16_compile(PCRE_SPTR16 pattern, int options, const char **errorptr,
+ int *erroroffset, const unsigned char *tables)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN pcre32 * PCRE_CALL_CONVENTION
+pcre32_compile(PCRE_SPTR32 pattern, int options, const char **errorptr,
+ int *erroroffset, const unsigned char *tables)
+#endif
+{
+#if defined COMPILE_PCRE8
+return pcre_compile2(pattern, options, NULL, errorptr, erroroffset, tables);
+#elif defined COMPILE_PCRE16
+return pcre16_compile2(pattern, options, NULL, errorptr, erroroffset, tables);
+#elif defined COMPILE_PCRE32
+return pcre32_compile2(pattern, options, NULL, errorptr, erroroffset, tables);
+#endif
+}
+
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN pcre * PCRE_CALL_CONVENTION
+pcre_compile2(const char *pattern, int options, int *errorcodeptr,
+ const char **errorptr, int *erroroffset, const unsigned char *tables)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN pcre16 * PCRE_CALL_CONVENTION
+pcre16_compile2(PCRE_SPTR16 pattern, int options, int *errorcodeptr,
+ const char **errorptr, int *erroroffset, const unsigned char *tables)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN pcre32 * PCRE_CALL_CONVENTION
+pcre32_compile2(PCRE_SPTR32 pattern, int options, int *errorcodeptr,
+ const char **errorptr, int *erroroffset, const unsigned char *tables)
+#endif
+{
+REAL_PCRE *re;
+int length = 1; /* For final END opcode */
+pcre_int32 firstcharflags, reqcharflags;
+pcre_uint32 firstchar, reqchar;
+pcre_uint32 limit_match = PCRE_UINT32_MAX;
+pcre_uint32 limit_recursion = PCRE_UINT32_MAX;
+int newline;
+int errorcode = 0;
+int skipatstart = 0;
+BOOL utf;
+BOOL never_utf = FALSE;
+size_t size;
+pcre_uchar *code;
+const pcre_uchar *codestart;
+const pcre_uchar *ptr;
+compile_data compile_block;
+compile_data *cd = &compile_block;
+
+/* This space is used for "compiling" into during the first phase, when we are
+computing the amount of memory that is needed. Compiled items are thrown away
+as soon as possible, so that a fairly large buffer should be sufficient for
+this purpose. The same space is used in the second phase for remembering where
+to fill in forward references to subpatterns. That may overflow, in which case
+new memory is obtained from malloc(). */
+
+pcre_uchar cworkspace[COMPILE_WORK_SIZE];
+
+/* This vector is used for remembering name groups during the pre-compile. In a
+similar way to cworkspace, it can be expanded using malloc() if necessary. */
+
+named_group named_groups[NAMED_GROUP_LIST_SIZE];
+
+/* Set this early so that early errors get offset 0. */
+
+ptr = (const pcre_uchar *)pattern;
+
+/* We can't pass back an error message if errorptr is NULL; I guess the best we
+can do is just return NULL, but we can set a code value if there is a code
+pointer. */
+
+if (errorptr == NULL)
+ {
+ if (errorcodeptr != NULL) *errorcodeptr = 99;
+ return NULL;
+ }
+
+*errorptr = NULL;
+if (errorcodeptr != NULL) *errorcodeptr = ERR0;
+
+/* However, we can give a message for this error */
+
+if (erroroffset == NULL)
+ {
+ errorcode = ERR16;
+ goto PCRE_EARLY_ERROR_RETURN2;
+ }
+
+*erroroffset = 0;
+
+/* Set up pointers to the individual character tables */
+
+if (tables == NULL) tables = PRIV(default_tables);
+cd->lcc = tables + lcc_offset;
+cd->fcc = tables + fcc_offset;
+cd->cbits = tables + cbits_offset;
+cd->ctypes = tables + ctypes_offset;
+
+/* Check that all undefined public option bits are zero */
+
+if ((options & ~PUBLIC_COMPILE_OPTIONS) != 0)
+ {
+ errorcode = ERR17;
+ goto PCRE_EARLY_ERROR_RETURN;
+ }
+
+/* If PCRE_NEVER_UTF is set, remember it. */
+
+if ((options & PCRE_NEVER_UTF) != 0) never_utf = TRUE;
+
+/* Check for global one-time settings at the start of the pattern, and remember
+the offset for later. */
+
+cd->external_flags = 0; /* Initialize here for LIMIT_MATCH/RECURSION */
+
+while (ptr[skipatstart] == CHAR_LEFT_PARENTHESIS &&
+ ptr[skipatstart+1] == CHAR_ASTERISK)
+ {
+ int newnl = 0;
+ int newbsr = 0;
+
+/* For completeness and backward compatibility, (*UTFn) is supported in the
+relevant libraries, but (*UTF) is generic and always supported. Note that
+PCRE_UTF8 == PCRE_UTF16 == PCRE_UTF32. */
+
+#ifdef COMPILE_PCRE8
+ if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_UTF8_RIGHTPAR, 5) == 0)
+ { skipatstart += 7; options |= PCRE_UTF8; continue; }
+#endif
+#ifdef COMPILE_PCRE16
+ if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_UTF16_RIGHTPAR, 6) == 0)
+ { skipatstart += 8; options |= PCRE_UTF16; continue; }
+#endif
+#ifdef COMPILE_PCRE32
+ if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_UTF32_RIGHTPAR, 6) == 0)
+ { skipatstart += 8; options |= PCRE_UTF32; continue; }
+#endif
+
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_UTF_RIGHTPAR, 4) == 0)
+ { skipatstart += 6; options |= PCRE_UTF8; continue; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_UCP_RIGHTPAR, 4) == 0)
+ { skipatstart += 6; options |= PCRE_UCP; continue; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_NO_AUTO_POSSESS_RIGHTPAR, 16) == 0)
+ { skipatstart += 18; options |= PCRE_NO_AUTO_POSSESS; continue; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_NO_START_OPT_RIGHTPAR, 13) == 0)
+ { skipatstart += 15; options |= PCRE_NO_START_OPTIMIZE; continue; }
+
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_LIMIT_MATCH_EQ, 12) == 0)
+ {
+ pcre_uint32 c = 0;
+ int p = skipatstart + 14;
+ while (isdigit(ptr[p]))
+ {
+ if (c > PCRE_UINT32_MAX / 10 - 1) break; /* Integer overflow */
+ c = c*10 + ptr[p++] - CHAR_0;
+ }
+ if (ptr[p++] != CHAR_RIGHT_PARENTHESIS) break;
+ if (c < limit_match)
+ {
+ limit_match = c;
+ cd->external_flags |= PCRE_MLSET;
+ }
+ skipatstart = p;
+ continue;
+ }
+
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_LIMIT_RECURSION_EQ, 16) == 0)
+ {
+ pcre_uint32 c = 0;
+ int p = skipatstart + 18;
+ while (isdigit(ptr[p]))
+ {
+ if (c > PCRE_UINT32_MAX / 10 - 1) break; /* Integer overflow check */
+ c = c*10 + ptr[p++] - CHAR_0;
+ }
+ if (ptr[p++] != CHAR_RIGHT_PARENTHESIS) break;
+ if (c < limit_recursion)
+ {
+ limit_recursion = c;
+ cd->external_flags |= PCRE_RLSET;
+ }
+ skipatstart = p;
+ continue;
+ }
+
+ if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_CR_RIGHTPAR, 3) == 0)
+ { skipatstart += 5; newnl = PCRE_NEWLINE_CR; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_LF_RIGHTPAR, 3) == 0)
+ { skipatstart += 5; newnl = PCRE_NEWLINE_LF; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_CRLF_RIGHTPAR, 5) == 0)
+ { skipatstart += 7; newnl = PCRE_NEWLINE_CR + PCRE_NEWLINE_LF; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_ANY_RIGHTPAR, 4) == 0)
+ { skipatstart += 6; newnl = PCRE_NEWLINE_ANY; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_ANYCRLF_RIGHTPAR, 8) == 0)
+ { skipatstart += 10; newnl = PCRE_NEWLINE_ANYCRLF; }
+
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_BSR_ANYCRLF_RIGHTPAR, 12) == 0)
+ { skipatstart += 14; newbsr = PCRE_BSR_ANYCRLF; }
+ else if (STRNCMP_UC_C8(ptr+skipatstart+2, STRING_BSR_UNICODE_RIGHTPAR, 12) == 0)
+ { skipatstart += 14; newbsr = PCRE_BSR_UNICODE; }
+
+ if (newnl != 0)
+ options = (options & ~PCRE_NEWLINE_BITS) | newnl;
+ else if (newbsr != 0)
+ options = (options & ~(PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) | newbsr;
+ else break;
+ }
+
+/* PCRE_UTF(16|32) have the same value as PCRE_UTF8. */
+utf = (options & PCRE_UTF8) != 0;
+if (utf && never_utf)
+ {
+ errorcode = ERR78;
+ goto PCRE_EARLY_ERROR_RETURN2;
+ }
+
+/* Can't support UTF unless PCRE has been compiled to include the code. The
+return of an error code from PRIV(valid_utf)() is a new feature, introduced in
+release 8.13. It is passed back from pcre_[dfa_]exec(), but at the moment is
+not used here. */
+
+#ifdef SUPPORT_UTF
+if (utf && (options & PCRE_NO_UTF8_CHECK) == 0 &&
+ (errorcode = PRIV(valid_utf)((PCRE_PUCHAR)pattern, -1, erroroffset)) != 0)
+ {
+#if defined COMPILE_PCRE8
+ errorcode = ERR44;
+#elif defined COMPILE_PCRE16
+ errorcode = ERR74;
+#elif defined COMPILE_PCRE32
+ errorcode = ERR77;
+#endif
+ goto PCRE_EARLY_ERROR_RETURN2;
+ }
+#else
+if (utf)
+ {
+ errorcode = ERR32;
+ goto PCRE_EARLY_ERROR_RETURN;
+ }
+#endif
+
+/* Can't support UCP unless PCRE has been compiled to include the code. */
+
+#ifndef SUPPORT_UCP
+if ((options & PCRE_UCP) != 0)
+ {
+ errorcode = ERR67;
+ goto PCRE_EARLY_ERROR_RETURN;
+ }
+#endif
+
+/* Check validity of \R options. */
+
+if ((options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) ==
+ (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE))
+ {
+ errorcode = ERR56;
+ goto PCRE_EARLY_ERROR_RETURN;
+ }
+
+/* Handle different types of newline. The three bits give seven cases. The
+current code allows for fixed one- or two-byte sequences, plus "any" and
+"anycrlf". */
+
+switch (options & PCRE_NEWLINE_BITS)
+ {
+ case 0: newline = NEWLINE; break; /* Build-time default */
+ case PCRE_NEWLINE_CR: newline = CHAR_CR; break;
+ case PCRE_NEWLINE_LF: newline = CHAR_NL; break;
+ case PCRE_NEWLINE_CR+
+ PCRE_NEWLINE_LF: newline = (CHAR_CR << 8) | CHAR_NL; break;
+ case PCRE_NEWLINE_ANY: newline = -1; break;
+ case PCRE_NEWLINE_ANYCRLF: newline = -2; break;
+ default: errorcode = ERR56; goto PCRE_EARLY_ERROR_RETURN;
+ }
+
+if (newline == -2)
+ {
+ cd->nltype = NLTYPE_ANYCRLF;
+ }
+else if (newline < 0)
+ {
+ cd->nltype = NLTYPE_ANY;
+ }
+else
+ {
+ cd->nltype = NLTYPE_FIXED;
+ if (newline > 255)
+ {
+ cd->nllen = 2;
+ cd->nl[0] = (newline >> 8) & 255;
+ cd->nl[1] = newline & 255;
+ }
+ else
+ {
+ cd->nllen = 1;
+ cd->nl[0] = newline;
+ }
+ }
+
+/* Maximum back reference and backref bitmap. The bitmap records up to 31 back
+references to help in deciding whether (.*) can be treated as anchored or not.
+*/
+
+cd->top_backref = 0;
+cd->backref_map = 0;
+
+/* Reflect pattern for debugging output */
+
+DPRINTF(("------------------------------------------------------------------\n"));
+#ifdef PCRE_DEBUG
+print_puchar(stdout, (PCRE_PUCHAR)pattern);
+#endif
+DPRINTF(("\n"));
+
+/* Pretend to compile the pattern while actually just accumulating the length
+of memory required. This behaviour is triggered by passing a non-NULL final
+argument to compile_regex(). We pass a block of workspace (cworkspace) for it
+to compile parts of the pattern into; the compiled code is discarded when it is
+no longer needed, so hopefully this workspace will never overflow, though there
+is a test for its doing so. */
+
+cd->bracount = cd->final_bracount = 0;
+cd->names_found = 0;
+cd->name_entry_size = 0;
+cd->name_table = NULL;
+cd->dupnames = FALSE;
+cd->dupgroups = FALSE;
+cd->namedrefcount = 0;
+cd->start_code = cworkspace;
+cd->hwm = cworkspace;
+cd->iscondassert = FALSE;
+cd->start_workspace = cworkspace;
+cd->workspace_size = COMPILE_WORK_SIZE;
+cd->named_groups = named_groups;
+cd->named_group_list_size = NAMED_GROUP_LIST_SIZE;
+cd->start_pattern = (const pcre_uchar *)pattern;
+cd->end_pattern = (const pcre_uchar *)(pattern + STRLEN_UC((const pcre_uchar *)pattern));
+cd->req_varyopt = 0;
+cd->parens_depth = 0;
+cd->assert_depth = 0;
+cd->max_lookbehind = 0;
+cd->external_options = options;
+cd->open_caps = NULL;
+
+/* Now do the pre-compile. On error, errorcode will be set non-zero, so we
+don't need to look at the result of the function here. The initial options have
+been put into the cd block so that they can be changed if an option setting is
+found within the regex right at the beginning. Bringing initial option settings
+outside can help speed up starting point checks. */
+
+ptr += skipatstart;
+code = cworkspace;
+*code = OP_BRA;
+
+(void)compile_regex(cd->external_options, &code, &ptr, &errorcode, FALSE,
+ FALSE, 0, 0, &firstchar, &firstcharflags, &reqchar, &reqcharflags, NULL,
+ cd, &length);
+if (errorcode != 0) goto PCRE_EARLY_ERROR_RETURN;
+
+DPRINTF(("end pre-compile: length=%d workspace=%d\n", length,
+ (int)(cd->hwm - cworkspace)));
+
+if (length > MAX_PATTERN_SIZE)
+ {
+ errorcode = ERR20;
+ goto PCRE_EARLY_ERROR_RETURN;
+ }
+
+/* Compute the size of the data block for storing the compiled pattern. Integer
+overflow should no longer be possible because nowadays we limit the maximum
+value of cd->names_found and cd->name_entry_size. */
+
+size = sizeof(REAL_PCRE) +
+ (length + cd->names_found * cd->name_entry_size) * sizeof(pcre_uchar);
+
+/* Get the memory. */
+
+re = (REAL_PCRE *)(PUBL(malloc))(size);
+if (re == NULL)
+ {
+ errorcode = ERR21;
+ goto PCRE_EARLY_ERROR_RETURN;
+ }
+
+/* Put in the magic number, and save the sizes, initial options, internal
+flags, and character table pointer. NULL is used for the default character
+tables. The nullpad field is at the end; it's there to help in the case when a
+regex compiled on a system with 4-byte pointers is run on another with 8-byte
+pointers. */
+
+re->magic_number = MAGIC_NUMBER;
+re->size = (int)size;
+re->options = cd->external_options;
+re->flags = cd->external_flags;
+re->limit_match = limit_match;
+re->limit_recursion = limit_recursion;
+re->first_char = 0;
+re->req_char = 0;
+re->name_table_offset = sizeof(REAL_PCRE) / sizeof(pcre_uchar);
+re->name_entry_size = cd->name_entry_size;
+re->name_count = cd->names_found;
+re->ref_count = 0;
+re->tables = (tables == PRIV(default_tables))? NULL : tables;
+re->nullpad = NULL;
+#ifdef COMPILE_PCRE32
+re->dummy = 0;
+#else
+re->dummy1 = re->dummy2 = re->dummy3 = 0;
+#endif
+
+/* The starting points of the name/number translation table and of the code are
+passed around in the compile data block. The start/end pattern and initial
+options are already set from the pre-compile phase, as is the name_entry_size
+field. Reset the bracket count and the names_found field. Also reset the hwm
+field; this time it's used for remembering forward references to subpatterns.
+*/
+
+cd->final_bracount = cd->bracount; /* Save for checking forward references */
+cd->parens_depth = 0;
+cd->assert_depth = 0;
+cd->bracount = 0;
+cd->max_lookbehind = 0;
+cd->name_table = (pcre_uchar *)re + re->name_table_offset;
+codestart = cd->name_table + re->name_entry_size * re->name_count;
+cd->start_code = codestart;
+cd->hwm = (pcre_uchar *)(cd->start_workspace);
+cd->iscondassert = FALSE;
+cd->req_varyopt = 0;
+cd->had_accept = FALSE;
+cd->had_pruneorskip = FALSE;
+cd->check_lookbehind = FALSE;
+cd->open_caps = NULL;
+
+/* If any named groups were found, create the name/number table from the list
+created in the first pass. */
+
+if (cd->names_found > 0)
+ {
+ int i = cd->names_found;
+ named_group *ng = cd->named_groups;
+ cd->names_found = 0;
+ for (; i > 0; i--, ng++)
+ add_name(cd, ng->name, ng->length, ng->number);
+ if (cd->named_group_list_size > NAMED_GROUP_LIST_SIZE)
+ (PUBL(free))((void *)cd->named_groups);
+ }
+
+/* Set up a starting, non-extracting bracket, then compile the expression. On
+error, errorcode will be set non-zero, so we don't need to look at the result
+of the function here. */
+
+ptr = (const pcre_uchar *)pattern + skipatstart;
+code = (pcre_uchar *)codestart;
+*code = OP_BRA;
+(void)compile_regex(re->options, &code, &ptr, &errorcode, FALSE, FALSE, 0, 0,
+ &firstchar, &firstcharflags, &reqchar, &reqcharflags, NULL, cd, NULL);
+re->top_bracket = cd->bracount;
+re->top_backref = cd->top_backref;
+re->max_lookbehind = cd->max_lookbehind;
+re->flags = cd->external_flags | PCRE_MODE;
+
+if (cd->had_accept)
+ {
+ reqchar = 0; /* Must disable after (*ACCEPT) */
+ reqcharflags = REQ_NONE;
+ }
+
+/* If not reached end of pattern on success, there's an excess bracket. */
+
+if (errorcode == 0 && *ptr != CHAR_NULL) errorcode = ERR22;
+
+/* Fill in the terminating state and check for disastrous overflow, but
+if debugging, leave the test till after things are printed out. */
+
+*code++ = OP_END;
+
+#ifndef PCRE_DEBUG
+if (code - codestart > length) errorcode = ERR23;
+#endif
+
+#ifdef SUPPORT_VALGRIND
+/* If the estimated length exceeds the really used length, mark the extra
+allocated memory as unaddressable, so that any out-of-bound reads can be
+detected. */
+VALGRIND_MAKE_MEM_NOACCESS(code, (length - (code - codestart)) * sizeof(pcre_uchar));
+#endif
+
+/* Fill in any forward references that are required. There may be repeated
+references; optimize for them, as searching a large regex takes time. */
+
+if (cd->hwm > cd->start_workspace)
+ {
+ int prev_recno = -1;
+ const pcre_uchar *groupptr = NULL;
+ while (errorcode == 0 && cd->hwm > cd->start_workspace)
+ {
+ int offset, recno;
+ cd->hwm -= LINK_SIZE;
+ offset = GET(cd->hwm, 0);
+
+ /* Check that the hwm handling hasn't gone wrong. This whole area is
+ rewritten in PCRE2 because there are some obscure cases. */
+
+ if (offset == 0 || codestart[offset-1] != OP_RECURSE)
+ {
+ errorcode = ERR10;
+ break;
+ }
+
+ recno = GET(codestart, offset);
+ if (recno != prev_recno)
+ {
+ groupptr = PRIV(find_bracket)(codestart, utf, recno);
+ prev_recno = recno;
+ }
+ if (groupptr == NULL) errorcode = ERR53;
+ else PUT(((pcre_uchar *)codestart), offset, (int)(groupptr - codestart));
+ }
+ }
+
+/* If the workspace had to be expanded, free the new memory. Set the pointer to
+NULL to indicate that forward references have been filled in. */
+
+if (cd->workspace_size > COMPILE_WORK_SIZE)
+ (PUBL(free))((void *)cd->start_workspace);
+cd->start_workspace = NULL;
+
+/* Give an error if there's back reference to a non-existent capturing
+subpattern. */
+
+if (errorcode == 0 && re->top_backref > re->top_bracket) errorcode = ERR15;
+
+/* Unless disabled, check whether any single character iterators can be
+auto-possessified. The function overwrites the appropriate opcode values, so
+the type of the pointer must be cast. NOTE: the intermediate variable "temp" is
+used in this code because at least one compiler gives a warning about loss of
+"const" attribute if the cast (pcre_uchar *)codestart is used directly in the
+function call. */
+
+if (errorcode == 0 && (options & PCRE_NO_AUTO_POSSESS) == 0)
+ {
+ pcre_uchar *temp = (pcre_uchar *)codestart;
+ auto_possessify(temp, utf, cd);
+ }
+
+/* If there were any lookbehind assertions that contained OP_RECURSE
+(recursions or subroutine calls), a flag is set for them to be checked here,
+because they may contain forward references. Actual recursions cannot be fixed
+length, but subroutine calls can. It is done like this so that those without
+OP_RECURSE that are not fixed length get a diagnosic with a useful offset. The
+exceptional ones forgo this. We scan the pattern to check that they are fixed
+length, and set their lengths. */
+
+if (errorcode == 0 && cd->check_lookbehind)
+ {
+ pcre_uchar *cc = (pcre_uchar *)codestart;
+
+ /* Loop, searching for OP_REVERSE items, and process those that do not have
+ their length set. (Actually, it will also re-process any that have a length
+ of zero, but that is a pathological case, and it does no harm.) When we find
+ one, we temporarily terminate the branch it is in while we scan it. */
+
+ for (cc = (pcre_uchar *)PRIV(find_bracket)(codestart, utf, -1);
+ cc != NULL;
+ cc = (pcre_uchar *)PRIV(find_bracket)(cc, utf, -1))
+ {
+ if (GET(cc, 1) == 0)
+ {
+ int fixed_length;
+ pcre_uchar *be = cc - 1 - LINK_SIZE + GET(cc, -LINK_SIZE);
+ int end_op = *be;
+ *be = OP_END;
+ fixed_length = find_fixedlength(cc, (re->options & PCRE_UTF8) != 0, TRUE,
+ cd, NULL);
+ *be = end_op;
+ DPRINTF(("fixed length = %d\n", fixed_length));
+ if (fixed_length < 0)
+ {
+ errorcode = (fixed_length == -2)? ERR36 :
+ (fixed_length == -4)? ERR70 : ERR25;
+ break;
+ }
+ if (fixed_length > cd->max_lookbehind) cd->max_lookbehind = fixed_length;
+ PUT(cc, 1, fixed_length);
+ }
+ cc += 1 + LINK_SIZE;
+ }
+ }
+
+/* Failed to compile, or error while post-processing */
+
+if (errorcode != 0)
+ {
+ (PUBL(free))(re);
+ PCRE_EARLY_ERROR_RETURN:
+ *erroroffset = (int)(ptr - (const pcre_uchar *)pattern);
+ PCRE_EARLY_ERROR_RETURN2:
+ *errorptr = find_error_text(errorcode);
+ if (errorcodeptr != NULL) *errorcodeptr = errorcode;
+ return NULL;
+ }
+
+/* If the anchored option was not passed, set the flag if we can determine that
+the pattern is anchored by virtue of ^ characters or \A or anything else, such
+as starting with non-atomic .* when DOTALL is set and there are no occurrences
+of *PRUNE or *SKIP.
+
+Otherwise, if we know what the first byte has to be, save it, because that
+speeds up unanchored matches no end. If not, see if we can set the
+PCRE_STARTLINE flag. This is helpful for multiline matches when all branches
+start with ^. and also when all branches start with non-atomic .* for
+non-DOTALL matches when *PRUNE and SKIP are not present. */
+
+if ((re->options & PCRE_ANCHORED) == 0)
+ {
+ if (is_anchored(codestart, 0, cd, 0)) re->options |= PCRE_ANCHORED;
+ else
+ {
+ if (firstcharflags < 0)
+ firstchar = find_firstassertedchar(codestart, &firstcharflags, FALSE);
+ if (firstcharflags >= 0) /* Remove caseless flag for non-caseable chars */
+ {
+#if defined COMPILE_PCRE8
+ re->first_char = firstchar & 0xff;
+#elif defined COMPILE_PCRE16
+ re->first_char = firstchar & 0xffff;
+#elif defined COMPILE_PCRE32
+ re->first_char = firstchar;
+#endif
+ if ((firstcharflags & REQ_CASELESS) != 0)
+ {
+#if defined SUPPORT_UCP && !(defined COMPILE_PCRE8)
+ /* We ignore non-ASCII first chars in 8 bit mode. */
+ if (utf)
+ {
+ if (re->first_char < 128)
+ {
+ if (cd->fcc[re->first_char] != re->first_char)
+ re->flags |= PCRE_FCH_CASELESS;
+ }
+ else if (UCD_OTHERCASE(re->first_char) != re->first_char)
+ re->flags |= PCRE_FCH_CASELESS;
+ }
+ else
+#endif
+ if (MAX_255(re->first_char)
+ && cd->fcc[re->first_char] != re->first_char)
+ re->flags |= PCRE_FCH_CASELESS;
+ }
+
+ re->flags |= PCRE_FIRSTSET;
+ }
+
+ else if (is_startline(codestart, 0, cd, 0, FALSE)) re->flags |= PCRE_STARTLINE;
+ }
+ }
+
+/* For an anchored pattern, we use the "required byte" only if it follows a
+variable length item in the regex. Remove the caseless flag for non-caseable
+bytes. */
+
+if (reqcharflags >= 0 &&
+ ((re->options & PCRE_ANCHORED) == 0 || (reqcharflags & REQ_VARY) != 0))
+ {
+#if defined COMPILE_PCRE8
+ re->req_char = reqchar & 0xff;
+#elif defined COMPILE_PCRE16
+ re->req_char = reqchar & 0xffff;
+#elif defined COMPILE_PCRE32
+ re->req_char = reqchar;
+#endif
+ if ((reqcharflags & REQ_CASELESS) != 0)
+ {
+#if defined SUPPORT_UCP && !(defined COMPILE_PCRE8)
+ /* We ignore non-ASCII first chars in 8 bit mode. */
+ if (utf)
+ {
+ if (re->req_char < 128)
+ {
+ if (cd->fcc[re->req_char] != re->req_char)
+ re->flags |= PCRE_RCH_CASELESS;
+ }
+ else if (UCD_OTHERCASE(re->req_char) != re->req_char)
+ re->flags |= PCRE_RCH_CASELESS;
+ }
+ else
+#endif
+ if (MAX_255(re->req_char) && cd->fcc[re->req_char] != re->req_char)
+ re->flags |= PCRE_RCH_CASELESS;
+ }
+
+ re->flags |= PCRE_REQCHSET;
+ }
+
+/* Print out the compiled data if debugging is enabled. This is never the
+case when building a production library. */
+
+#ifdef PCRE_DEBUG
+printf("Length = %d top_bracket = %d top_backref = %d\n",
+ length, re->top_bracket, re->top_backref);
+
+printf("Options=%08x\n", re->options);
+
+if ((re->flags & PCRE_FIRSTSET) != 0)
+ {
+ pcre_uchar ch = re->first_char;
+ const char *caseless =
+ ((re->flags & PCRE_FCH_CASELESS) == 0)? "" : " (caseless)";
+ if (PRINTABLE(ch)) printf("First char = %c%s\n", ch, caseless);
+ else printf("First char = \\x%02x%s\n", ch, caseless);
+ }
+
+if ((re->flags & PCRE_REQCHSET) != 0)
+ {
+ pcre_uchar ch = re->req_char;
+ const char *caseless =
+ ((re->flags & PCRE_RCH_CASELESS) == 0)? "" : " (caseless)";
+ if (PRINTABLE(ch)) printf("Req char = %c%s\n", ch, caseless);
+ else printf("Req char = \\x%02x%s\n", ch, caseless);
+ }
+
+#if defined COMPILE_PCRE8
+pcre_printint((pcre *)re, stdout, TRUE);
+#elif defined COMPILE_PCRE16
+pcre16_printint((pcre *)re, stdout, TRUE);
+#elif defined COMPILE_PCRE32
+pcre32_printint((pcre *)re, stdout, TRUE);
+#endif
+
+/* This check is done here in the debugging case so that the code that
+was compiled can be seen. */
+
+if (code - codestart > length)
+ {
+ (PUBL(free))(re);
+ *errorptr = find_error_text(ERR23);
+ *erroroffset = ptr - (pcre_uchar *)pattern;
+ if (errorcodeptr != NULL) *errorcodeptr = ERR23;
+ return NULL;
+ }
+#endif /* PCRE_DEBUG */
+
+/* Check for a pattern than can match an empty string, so that this information
+can be provided to applications. */
+
+do
+ {
+ if (could_be_empty_branch(codestart, code, utf, cd, NULL))
+ {
+ re->flags |= PCRE_MATCH_EMPTY;
+ break;
+ }
+ codestart += GET(codestart, 1);
+ }
+while (*codestart == OP_ALT);
+
+#if defined COMPILE_PCRE8
+return (pcre *)re;
+#elif defined COMPILE_PCRE16
+return (pcre16 *)re;
+#elif defined COMPILE_PCRE32
+return (pcre32 *)re;
+#endif
+}
+
+/* End of pcre_compile.c */
diff --git a/deps/pcre/pcre_config.c b/deps/pcre/pcre_config.c
new file mode 100644
index 0000000..1cbdd9c
--- /dev/null
+++ b/deps/pcre/pcre_config.c
@@ -0,0 +1,190 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains the external function pcre_config(). */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* Keep the original link size. */
+static int real_link_size = LINK_SIZE;
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Return info about what features are configured *
+*************************************************/
+
+/* This function has an extensible interface so that additional items can be
+added compatibly.
+
+Arguments:
+ what what information is required
+ where where to put the information
+
+Returns: 0 if data returned, negative on error
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_config(int what, void *where)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_config(int what, void *where)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_config(int what, void *where)
+#endif
+{
+switch (what)
+ {
+ case PCRE_CONFIG_UTF8:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ *((int *)where) = 0;
+ return PCRE_ERROR_BADOPTION;
+#else
+#if defined SUPPORT_UTF
+ *((int *)where) = 1;
+#else
+ *((int *)where) = 0;
+#endif
+ break;
+#endif
+
+ case PCRE_CONFIG_UTF16:
+#if defined COMPILE_PCRE8 || defined COMPILE_PCRE32
+ *((int *)where) = 0;
+ return PCRE_ERROR_BADOPTION;
+#else
+#if defined SUPPORT_UTF
+ *((int *)where) = 1;
+#else
+ *((int *)where) = 0;
+#endif
+ break;
+#endif
+
+ case PCRE_CONFIG_UTF32:
+#if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
+ *((int *)where) = 0;
+ return PCRE_ERROR_BADOPTION;
+#else
+#if defined SUPPORT_UTF
+ *((int *)where) = 1;
+#else
+ *((int *)where) = 0;
+#endif
+ break;
+#endif
+
+ case PCRE_CONFIG_UNICODE_PROPERTIES:
+#ifdef SUPPORT_UCP
+ *((int *)where) = 1;
+#else
+ *((int *)where) = 0;
+#endif
+ break;
+
+ case PCRE_CONFIG_JIT:
+#ifdef SUPPORT_JIT
+ *((int *)where) = 1;
+#else
+ *((int *)where) = 0;
+#endif
+ break;
+
+ case PCRE_CONFIG_JITTARGET:
+#ifdef SUPPORT_JIT
+ *((const char **)where) = PRIV(jit_get_target)();
+#else
+ *((const char **)where) = NULL;
+#endif
+ break;
+
+ case PCRE_CONFIG_NEWLINE:
+ *((int *)where) = NEWLINE;
+ break;
+
+ case PCRE_CONFIG_BSR:
+#ifdef BSR_ANYCRLF
+ *((int *)where) = 1;
+#else
+ *((int *)where) = 0;
+#endif
+ break;
+
+ case PCRE_CONFIG_LINK_SIZE:
+ *((int *)where) = real_link_size;
+ break;
+
+ case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
+ *((int *)where) = POSIX_MALLOC_THRESHOLD;
+ break;
+
+ case PCRE_CONFIG_PARENS_LIMIT:
+ *((unsigned long int *)where) = PARENS_NEST_LIMIT;
+ break;
+
+ case PCRE_CONFIG_MATCH_LIMIT:
+ *((unsigned long int *)where) = MATCH_LIMIT;
+ break;
+
+ case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
+ *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
+ break;
+
+ case PCRE_CONFIG_STACKRECURSE:
+#ifdef NO_RECURSE
+ *((int *)where) = 0;
+#else
+ *((int *)where) = 1;
+#endif
+ break;
+
+ default: return PCRE_ERROR_BADOPTION;
+ }
+
+return 0;
+}
+
+/* End of pcre_config.c */
diff --git a/deps/pcre/pcre_dfa_exec.c b/deps/pcre/pcre_dfa_exec.c
new file mode 100644
index 0000000..f333381
--- /dev/null
+++ b/deps/pcre/pcre_dfa_exec.c
@@ -0,0 +1,3676 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language (but see
+below for why this module is different).
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2017 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+/* This module contains the external function pcre_dfa_exec(), which is an
+alternative matching function that uses a sort of DFA algorithm (not a true
+FSM). This is NOT Perl-compatible, but it has advantages in certain
+applications. */
+
+
+/* NOTE ABOUT PERFORMANCE: A user of this function sent some code that improved
+the performance of his patterns greatly. I could not use it as it stood, as it
+was not thread safe, and made assumptions about pattern sizes. Also, it caused
+test 7 to loop, and test 9 to crash with a segfault.
+
+The issue is the check for duplicate states, which is done by a simple linear
+search up the state list. (Grep for "duplicate" below to find the code.) For
+many patterns, there will never be many states active at one time, so a simple
+linear search is fine. In patterns that have many active states, it might be a
+bottleneck. The suggested code used an indexing scheme to remember which states
+had previously been used for each character, and avoided the linear search when
+it knew there was no chance of a duplicate. This was implemented when adding
+states to the state lists.
+
+I wrote some thread-safe, not-limited code to try something similar at the time
+of checking for duplicates (instead of when adding states), using index vectors
+on the stack. It did give a 13% improvement with one specially constructed
+pattern for certain subject strings, but on other strings and on many of the
+simpler patterns in the test suite it did worse. The major problem, I think,
+was the extra time to initialize the index. This had to be done for each call
+of internal_dfa_exec(). (The supplied patch used a static vector, initialized
+only once - I suspect this was the cause of the problems with the tests.)
+
+Overall, I concluded that the gains in some cases did not outweigh the losses
+in others, so I abandoned this code. */
+
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define NLBLOCK md /* Block containing newline information */
+#define PSSTART start_subject /* Field containing processed string start */
+#define PSEND end_subject /* Field containing processed string end */
+
+#include "pcre_internal.h"
+
+
+/* For use to indent debugging output */
+
+#define SP " "
+
+
+/*************************************************
+* Code parameters and static tables *
+*************************************************/
+
+/* These are offsets that are used to turn the OP_TYPESTAR and friends opcodes
+into others, under special conditions. A gap of 20 between the blocks should be
+enough. The resulting opcodes don't have to be less than 256 because they are
+never stored, so we push them well clear of the normal opcodes. */
+
+#define OP_PROP_EXTRA 300
+#define OP_EXTUNI_EXTRA 320
+#define OP_ANYNL_EXTRA 340
+#define OP_HSPACE_EXTRA 360
+#define OP_VSPACE_EXTRA 380
+
+
+/* This table identifies those opcodes that are followed immediately by a
+character that is to be tested in some way. This makes it possible to
+centralize the loading of these characters. In the case of Type * etc, the
+"character" is the opcode for \D, \d, \S, \s, \W, or \w, which will always be a
+small value. Non-zero values in the table are the offsets from the opcode where
+the character is to be found. ***NOTE*** If the start of this table is
+modified, the three tables that follow must also be modified. */
+
+static const pcre_uint8 coptable[] = {
+ 0, /* End */
+ 0, 0, 0, 0, 0, /* \A, \G, \K, \B, \b */
+ 0, 0, 0, 0, 0, 0, /* \D, \d, \S, \s, \W, \w */
+ 0, 0, 0, /* Any, AllAny, Anybyte */
+ 0, 0, /* \P, \p */
+ 0, 0, 0, 0, 0, /* \R, \H, \h, \V, \v */
+ 0, /* \X */
+ 0, 0, 0, 0, 0, 0, /* \Z, \z, $, $M, ^, ^M */
+ 1, /* Char */
+ 1, /* Chari */
+ 1, /* not */
+ 1, /* noti */
+ /* Positive single-char repeats */
+ 1, 1, 1, 1, 1, 1, /* *, *?, +, +?, ?, ?? */
+ 1+IMM2_SIZE, 1+IMM2_SIZE, /* upto, minupto */
+ 1+IMM2_SIZE, /* exact */
+ 1, 1, 1, 1+IMM2_SIZE, /* *+, ++, ?+, upto+ */
+ 1, 1, 1, 1, 1, 1, /* *I, *?I, +I, +?I, ?I, ??I */
+ 1+IMM2_SIZE, 1+IMM2_SIZE, /* upto I, minupto I */
+ 1+IMM2_SIZE, /* exact I */
+ 1, 1, 1, 1+IMM2_SIZE, /* *+I, ++I, ?+I, upto+I */
+ /* Negative single-char repeats - only for chars < 256 */
+ 1, 1, 1, 1, 1, 1, /* NOT *, *?, +, +?, ?, ?? */
+ 1+IMM2_SIZE, 1+IMM2_SIZE, /* NOT upto, minupto */
+ 1+IMM2_SIZE, /* NOT exact */
+ 1, 1, 1, 1+IMM2_SIZE, /* NOT *+, ++, ?+, upto+ */
+ 1, 1, 1, 1, 1, 1, /* NOT *I, *?I, +I, +?I, ?I, ??I */
+ 1+IMM2_SIZE, 1+IMM2_SIZE, /* NOT upto I, minupto I */
+ 1+IMM2_SIZE, /* NOT exact I */
+ 1, 1, 1, 1+IMM2_SIZE, /* NOT *+I, ++I, ?+I, upto+I */
+ /* Positive type repeats */
+ 1, 1, 1, 1, 1, 1, /* Type *, *?, +, +?, ?, ?? */
+ 1+IMM2_SIZE, 1+IMM2_SIZE, /* Type upto, minupto */
+ 1+IMM2_SIZE, /* Type exact */
+ 1, 1, 1, 1+IMM2_SIZE, /* Type *+, ++, ?+, upto+ */
+ /* Character class & ref repeats */
+ 0, 0, 0, 0, 0, 0, /* *, *?, +, +?, ?, ?? */
+ 0, 0, /* CRRANGE, CRMINRANGE */
+ 0, 0, 0, 0, /* Possessive *+, ++, ?+, CRPOSRANGE */
+ 0, /* CLASS */
+ 0, /* NCLASS */
+ 0, /* XCLASS - variable length */
+ 0, /* REF */
+ 0, /* REFI */
+ 0, /* DNREF */
+ 0, /* DNREFI */
+ 0, /* RECURSE */
+ 0, /* CALLOUT */
+ 0, /* Alt */
+ 0, /* Ket */
+ 0, /* KetRmax */
+ 0, /* KetRmin */
+ 0, /* KetRpos */
+ 0, /* Reverse */
+ 0, /* Assert */
+ 0, /* Assert not */
+ 0, /* Assert behind */
+ 0, /* Assert behind not */
+ 0, 0, /* ONCE, ONCE_NC */
+ 0, 0, 0, 0, 0, /* BRA, BRAPOS, CBRA, CBRAPOS, COND */
+ 0, 0, 0, 0, 0, /* SBRA, SBRAPOS, SCBRA, SCBRAPOS, SCOND */
+ 0, 0, /* CREF, DNCREF */
+ 0, 0, /* RREF, DNRREF */
+ 0, /* DEF */
+ 0, 0, 0, /* BRAZERO, BRAMINZERO, BRAPOSZERO */
+ 0, 0, 0, /* MARK, PRUNE, PRUNE_ARG */
+ 0, 0, 0, 0, /* SKIP, SKIP_ARG, THEN, THEN_ARG */
+ 0, 0, 0, 0, /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT */
+ 0, 0 /* CLOSE, SKIPZERO */
+};
+
+/* This table identifies those opcodes that inspect a character. It is used to
+remember the fact that a character could have been inspected when the end of
+the subject is reached. ***NOTE*** If the start of this table is modified, the
+two tables that follow must also be modified. */
+
+static const pcre_uint8 poptable[] = {
+ 0, /* End */
+ 0, 0, 0, 1, 1, /* \A, \G, \K, \B, \b */
+ 1, 1, 1, 1, 1, 1, /* \D, \d, \S, \s, \W, \w */
+ 1, 1, 1, /* Any, AllAny, Anybyte */
+ 1, 1, /* \P, \p */
+ 1, 1, 1, 1, 1, /* \R, \H, \h, \V, \v */
+ 1, /* \X */
+ 0, 0, 0, 0, 0, 0, /* \Z, \z, $, $M, ^, ^M */
+ 1, /* Char */
+ 1, /* Chari */
+ 1, /* not */
+ 1, /* noti */
+ /* Positive single-char repeats */
+ 1, 1, 1, 1, 1, 1, /* *, *?, +, +?, ?, ?? */
+ 1, 1, 1, /* upto, minupto, exact */
+ 1, 1, 1, 1, /* *+, ++, ?+, upto+ */
+ 1, 1, 1, 1, 1, 1, /* *I, *?I, +I, +?I, ?I, ??I */
+ 1, 1, 1, /* upto I, minupto I, exact I */
+ 1, 1, 1, 1, /* *+I, ++I, ?+I, upto+I */
+ /* Negative single-char repeats - only for chars < 256 */
+ 1, 1, 1, 1, 1, 1, /* NOT *, *?, +, +?, ?, ?? */
+ 1, 1, 1, /* NOT upto, minupto, exact */
+ 1, 1, 1, 1, /* NOT *+, ++, ?+, upto+ */
+ 1, 1, 1, 1, 1, 1, /* NOT *I, *?I, +I, +?I, ?I, ??I */
+ 1, 1, 1, /* NOT upto I, minupto I, exact I */
+ 1, 1, 1, 1, /* NOT *+I, ++I, ?+I, upto+I */
+ /* Positive type repeats */
+ 1, 1, 1, 1, 1, 1, /* Type *, *?, +, +?, ?, ?? */
+ 1, 1, 1, /* Type upto, minupto, exact */
+ 1, 1, 1, 1, /* Type *+, ++, ?+, upto+ */
+ /* Character class & ref repeats */
+ 1, 1, 1, 1, 1, 1, /* *, *?, +, +?, ?, ?? */
+ 1, 1, /* CRRANGE, CRMINRANGE */
+ 1, 1, 1, 1, /* Possessive *+, ++, ?+, CRPOSRANGE */
+ 1, /* CLASS */
+ 1, /* NCLASS */
+ 1, /* XCLASS - variable length */
+ 0, /* REF */
+ 0, /* REFI */
+ 0, /* DNREF */
+ 0, /* DNREFI */
+ 0, /* RECURSE */
+ 0, /* CALLOUT */
+ 0, /* Alt */
+ 0, /* Ket */
+ 0, /* KetRmax */
+ 0, /* KetRmin */
+ 0, /* KetRpos */
+ 0, /* Reverse */
+ 0, /* Assert */
+ 0, /* Assert not */
+ 0, /* Assert behind */
+ 0, /* Assert behind not */
+ 0, 0, /* ONCE, ONCE_NC */
+ 0, 0, 0, 0, 0, /* BRA, BRAPOS, CBRA, CBRAPOS, COND */
+ 0, 0, 0, 0, 0, /* SBRA, SBRAPOS, SCBRA, SCBRAPOS, SCOND */
+ 0, 0, /* CREF, DNCREF */
+ 0, 0, /* RREF, DNRREF */
+ 0, /* DEF */
+ 0, 0, 0, /* BRAZERO, BRAMINZERO, BRAPOSZERO */
+ 0, 0, 0, /* MARK, PRUNE, PRUNE_ARG */
+ 0, 0, 0, 0, /* SKIP, SKIP_ARG, THEN, THEN_ARG */
+ 0, 0, 0, 0, /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT */
+ 0, 0 /* CLOSE, SKIPZERO */
+};
+
+/* These 2 tables allow for compact code for testing for \D, \d, \S, \s, \W,
+and \w */
+
+static const pcre_uint8 toptable1[] = {
+ 0, 0, 0, 0, 0, 0,
+ ctype_digit, ctype_digit,
+ ctype_space, ctype_space,
+ ctype_word, ctype_word,
+ 0, 0 /* OP_ANY, OP_ALLANY */
+};
+
+static const pcre_uint8 toptable2[] = {
+ 0, 0, 0, 0, 0, 0,
+ ctype_digit, 0,
+ ctype_space, 0,
+ ctype_word, 0,
+ 1, 1 /* OP_ANY, OP_ALLANY */
+};
+
+
+/* Structure for holding data about a particular state, which is in effect the
+current data for an active path through the match tree. It must consist
+entirely of ints because the working vector we are passed, and which we put
+these structures in, is a vector of ints. */
+
+typedef struct stateblock {
+ int offset; /* Offset to opcode */
+ int count; /* Count for repeats */
+ int data; /* Some use extra data */
+} stateblock;
+
+#define INTS_PER_STATEBLOCK (int)(sizeof(stateblock)/sizeof(int))
+
+
+#ifdef PCRE_DEBUG
+/*************************************************
+* Print character string *
+*************************************************/
+
+/* Character string printing function for debugging.
+
+Arguments:
+ p points to string
+ length number of bytes
+ f where to print
+
+Returns: nothing
+*/
+
+static void
+pchars(const pcre_uchar *p, int length, FILE *f)
+{
+pcre_uint32 c;
+while (length-- > 0)
+ {
+ if (isprint(c = *(p++)))
+ fprintf(f, "%c", c);
+ else
+ fprintf(f, "\\x{%02x}", c);
+ }
+}
+#endif
+
+
+
+/*************************************************
+* Execute a Regular Expression - DFA engine *
+*************************************************/
+
+/* This internal function applies a compiled pattern to a subject string,
+starting at a given point, using a DFA engine. This function is called from the
+external one, possibly multiple times if the pattern is not anchored. The
+function calls itself recursively for some kinds of subpattern.
+
+Arguments:
+ md the match_data block with fixed information
+ this_start_code the opening bracket of this subexpression's code
+ current_subject where we currently are in the subject string
+ start_offset start offset in the subject string
+ offsets vector to contain the matching string offsets
+ offsetcount size of same
+ workspace vector of workspace
+ wscount size of same
+ rlevel function call recursion level
+
+Returns: > 0 => number of match offset pairs placed in offsets
+ = 0 => offsets overflowed; longest matches are present
+ -1 => failed to match
+ < -1 => some kind of unexpected problem
+
+The following macros are used for adding states to the two state vectors (one
+for the current character, one for the following character). */
+
+#define ADD_ACTIVE(x,y) \
+ if (active_count++ < wscount) \
+ { \
+ next_active_state->offset = (x); \
+ next_active_state->count = (y); \
+ next_active_state++; \
+ DPRINTF(("%.*sADD_ACTIVE(%d,%d)\n", rlevel*2-2, SP, (x), (y))); \
+ } \
+ else return PCRE_ERROR_DFA_WSSIZE
+
+#define ADD_ACTIVE_DATA(x,y,z) \
+ if (active_count++ < wscount) \
+ { \
+ next_active_state->offset = (x); \
+ next_active_state->count = (y); \
+ next_active_state->data = (z); \
+ next_active_state++; \
+ DPRINTF(("%.*sADD_ACTIVE_DATA(%d,%d,%d)\n", rlevel*2-2, SP, (x), (y), (z))); \
+ } \
+ else return PCRE_ERROR_DFA_WSSIZE
+
+#define ADD_NEW(x,y) \
+ if (new_count++ < wscount) \
+ { \
+ next_new_state->offset = (x); \
+ next_new_state->count = (y); \
+ next_new_state++; \
+ DPRINTF(("%.*sADD_NEW(%d,%d)\n", rlevel*2-2, SP, (x), (y))); \
+ } \
+ else return PCRE_ERROR_DFA_WSSIZE
+
+#define ADD_NEW_DATA(x,y,z) \
+ if (new_count++ < wscount) \
+ { \
+ next_new_state->offset = (x); \
+ next_new_state->count = (y); \
+ next_new_state->data = (z); \
+ next_new_state++; \
+ DPRINTF(("%.*sADD_NEW_DATA(%d,%d,%d) line %d\n", rlevel*2-2, SP, \
+ (x), (y), (z), __LINE__)); \
+ } \
+ else return PCRE_ERROR_DFA_WSSIZE
+
+/* And now, here is the code */
+
+static int
+internal_dfa_exec(
+ dfa_match_data *md,
+ const pcre_uchar *this_start_code,
+ const pcre_uchar *current_subject,
+ int start_offset,
+ int *offsets,
+ int offsetcount,
+ int *workspace,
+ int wscount,
+ int rlevel)
+{
+stateblock *active_states, *new_states, *temp_states;
+stateblock *next_active_state, *next_new_state;
+
+const pcre_uint8 *ctypes, *lcc, *fcc;
+const pcre_uchar *ptr;
+const pcre_uchar *end_code, *first_op;
+
+dfa_recursion_info new_recursive;
+
+int active_count, new_count, match_count;
+
+/* Some fields in the md block are frequently referenced, so we load them into
+independent variables in the hope that this will perform better. */
+
+const pcre_uchar *start_subject = md->start_subject;
+const pcre_uchar *end_subject = md->end_subject;
+const pcre_uchar *start_code = md->start_code;
+
+#ifdef SUPPORT_UTF
+BOOL utf = (md->poptions & PCRE_UTF8) != 0;
+#else
+BOOL utf = FALSE;
+#endif
+
+BOOL reset_could_continue = FALSE;
+
+rlevel++;
+offsetcount &= (-2);
+
+wscount -= 2;
+wscount = (wscount - (wscount % (INTS_PER_STATEBLOCK * 2))) /
+ (2 * INTS_PER_STATEBLOCK);
+
+DPRINTF(("\n%.*s---------------------\n"
+ "%.*sCall to internal_dfa_exec f=%d\n",
+ rlevel*2-2, SP, rlevel*2-2, SP, rlevel));
+
+ctypes = md->tables + ctypes_offset;
+lcc = md->tables + lcc_offset;
+fcc = md->tables + fcc_offset;
+
+match_count = PCRE_ERROR_NOMATCH; /* A negative number */
+
+active_states = (stateblock *)(workspace + 2);
+next_new_state = new_states = active_states + wscount;
+new_count = 0;
+
+first_op = this_start_code + 1 + LINK_SIZE +
+ ((*this_start_code == OP_CBRA || *this_start_code == OP_SCBRA ||
+ *this_start_code == OP_CBRAPOS || *this_start_code == OP_SCBRAPOS)
+ ? IMM2_SIZE:0);
+
+/* The first thing in any (sub) pattern is a bracket of some sort. Push all
+the alternative states onto the list, and find out where the end is. This
+makes is possible to use this function recursively, when we want to stop at a
+matching internal ket rather than at the end.
+
+If the first opcode in the first alternative is OP_REVERSE, we are dealing with
+a backward assertion. In that case, we have to find out the maximum amount to
+move back, and set up each alternative appropriately. */
+
+if (*first_op == OP_REVERSE)
+ {
+ int max_back = 0;
+ int gone_back;
+
+ end_code = this_start_code;
+ do
+ {
+ int back = GET(end_code, 2+LINK_SIZE);
+ if (back > max_back) max_back = back;
+ end_code += GET(end_code, 1);
+ }
+ while (*end_code == OP_ALT);
+
+ /* If we can't go back the amount required for the longest lookbehind
+ pattern, go back as far as we can; some alternatives may still be viable. */
+
+#ifdef SUPPORT_UTF
+ /* In character mode we have to step back character by character */
+
+ if (utf)
+ {
+ for (gone_back = 0; gone_back < max_back; gone_back++)
+ {
+ if (current_subject <= start_subject) break;
+ current_subject--;
+ ACROSSCHAR(current_subject > start_subject, *current_subject, current_subject--);
+ }
+ }
+ else
+#endif
+
+ /* In byte-mode we can do this quickly. */
+
+ {
+ gone_back = (current_subject - max_back < start_subject)?
+ (int)(current_subject - start_subject) : max_back;
+ current_subject -= gone_back;
+ }
+
+ /* Save the earliest consulted character */
+
+ if (current_subject < md->start_used_ptr)
+ md->start_used_ptr = current_subject;
+
+ /* Now we can process the individual branches. */
+
+ end_code = this_start_code;
+ do
+ {
+ int back = GET(end_code, 2+LINK_SIZE);
+ if (back <= gone_back)
+ {
+ int bstate = (int)(end_code - start_code + 2 + 2*LINK_SIZE);
+ ADD_NEW_DATA(-bstate, 0, gone_back - back);
+ }
+ end_code += GET(end_code, 1);
+ }
+ while (*end_code == OP_ALT);
+ }
+
+/* This is the code for a "normal" subpattern (not a backward assertion). The
+start of a whole pattern is always one of these. If we are at the top level,
+we may be asked to restart matching from the same point that we reached for a
+previous partial match. We still have to scan through the top-level branches to
+find the end state. */
+
+else
+ {
+ end_code = this_start_code;
+
+ /* Restarting */
+
+ if (rlevel == 1 && (md->moptions & PCRE_DFA_RESTART) != 0)
+ {
+ do { end_code += GET(end_code, 1); } while (*end_code == OP_ALT);
+ new_count = workspace[1];
+ if (!workspace[0])
+ memcpy(new_states, active_states, new_count * sizeof(stateblock));
+ }
+
+ /* Not restarting */
+
+ else
+ {
+ int length = 1 + LINK_SIZE +
+ ((*this_start_code == OP_CBRA || *this_start_code == OP_SCBRA ||
+ *this_start_code == OP_CBRAPOS || *this_start_code == OP_SCBRAPOS)
+ ? IMM2_SIZE:0);
+ do
+ {
+ ADD_NEW((int)(end_code - start_code + length), 0);
+ end_code += GET(end_code, 1);
+ length = 1 + LINK_SIZE;
+ }
+ while (*end_code == OP_ALT);
+ }
+ }
+
+workspace[0] = 0; /* Bit indicating which vector is current */
+
+DPRINTF(("%.*sEnd state = %d\n", rlevel*2-2, SP, (int)(end_code - start_code)));
+
+/* Loop for scanning the subject */
+
+ptr = current_subject;
+for (;;)
+ {
+ int i, j;
+ int clen, dlen;
+ pcre_uint32 c, d;
+ int forced_fail = 0;
+ BOOL partial_newline = FALSE;
+ BOOL could_continue = reset_could_continue;
+ reset_could_continue = FALSE;
+
+ /* Make the new state list into the active state list and empty the
+ new state list. */
+
+ temp_states = active_states;
+ active_states = new_states;
+ new_states = temp_states;
+ active_count = new_count;
+ new_count = 0;
+
+ workspace[0] ^= 1; /* Remember for the restarting feature */
+ workspace[1] = active_count;
+
+#ifdef PCRE_DEBUG
+ printf("%.*sNext character: rest of subject = \"", rlevel*2-2, SP);
+ pchars(ptr, STRLEN_UC(ptr), stdout);
+ printf("\"\n");
+
+ printf("%.*sActive states: ", rlevel*2-2, SP);
+ for (i = 0; i < active_count; i++)
+ printf("%d/%d ", active_states[i].offset, active_states[i].count);
+ printf("\n");
+#endif
+
+ /* Set the pointers for adding new states */
+
+ next_active_state = active_states + active_count;
+ next_new_state = new_states;
+
+ /* Load the current character from the subject outside the loop, as many
+ different states may want to look at it, and we assume that at least one
+ will. */
+
+ if (ptr < end_subject)
+ {
+ clen = 1; /* Number of data items in the character */
+#ifdef SUPPORT_UTF
+ GETCHARLENTEST(c, ptr, clen);
+#else
+ c = *ptr;
+#endif /* SUPPORT_UTF */
+ }
+ else
+ {
+ clen = 0; /* This indicates the end of the subject */
+ c = NOTACHAR; /* This value should never actually be used */
+ }
+
+ /* Scan up the active states and act on each one. The result of an action
+ may be to add more states to the currently active list (e.g. on hitting a
+ parenthesis) or it may be to put states on the new list, for considering
+ when we move the character pointer on. */
+
+ for (i = 0; i < active_count; i++)
+ {
+ stateblock *current_state = active_states + i;
+ BOOL caseless = FALSE;
+ const pcre_uchar *code;
+ int state_offset = current_state->offset;
+ int codevalue, rrc;
+ int count;
+
+#ifdef PCRE_DEBUG
+ printf ("%.*sProcessing state %d c=", rlevel*2-2, SP, state_offset);
+ if (clen == 0) printf("EOL\n");
+ else if (c > 32 && c < 127) printf("'%c'\n", c);
+ else printf("0x%02x\n", c);
+#endif
+
+ /* A negative offset is a special case meaning "hold off going to this
+ (negated) state until the number of characters in the data field have
+ been skipped". If the could_continue flag was passed over from a previous
+ state, arrange for it to passed on. */
+
+ if (state_offset < 0)
+ {
+ if (current_state->data > 0)
+ {
+ DPRINTF(("%.*sSkipping this character\n", rlevel*2-2, SP));
+ ADD_NEW_DATA(state_offset, current_state->count,
+ current_state->data - 1);
+ if (could_continue) reset_could_continue = TRUE;
+ continue;
+ }
+ else
+ {
+ current_state->offset = state_offset = -state_offset;
+ }
+ }
+
+ /* Check for a duplicate state with the same count, and skip if found.
+ See the note at the head of this module about the possibility of improving
+ performance here. */
+
+ for (j = 0; j < i; j++)
+ {
+ if (active_states[j].offset == state_offset &&
+ active_states[j].count == current_state->count)
+ {
+ DPRINTF(("%.*sDuplicate state: skipped\n", rlevel*2-2, SP));
+ goto NEXT_ACTIVE_STATE;
+ }
+ }
+
+ /* The state offset is the offset to the opcode */
+
+ code = start_code + state_offset;
+ codevalue = *code;
+
+ /* If this opcode inspects a character, but we are at the end of the
+ subject, remember the fact for use when testing for a partial match. */
+
+ if (clen == 0 && poptable[codevalue] != 0)
+ could_continue = TRUE;
+
+ /* If this opcode is followed by an inline character, load it. It is
+ tempting to test for the presence of a subject character here, but that
+ is wrong, because sometimes zero repetitions of the subject are
+ permitted.
+
+ We also use this mechanism for opcodes such as OP_TYPEPLUS that take an
+ argument that is not a data character - but is always one byte long because
+ the values are small. We have to take special action to deal with \P, \p,
+ \H, \h, \V, \v and \X in this case. To keep the other cases fast, convert
+ these ones to new opcodes. */
+
+ if (coptable[codevalue] > 0)
+ {
+ dlen = 1;
+#ifdef SUPPORT_UTF
+ if (utf) { GETCHARLEN(d, (code + coptable[codevalue]), dlen); } else
+#endif /* SUPPORT_UTF */
+ d = code[coptable[codevalue]];
+ if (codevalue >= OP_TYPESTAR)
+ {
+ switch(d)
+ {
+ case OP_ANYBYTE: return PCRE_ERROR_DFA_UITEM;
+ case OP_NOTPROP:
+ case OP_PROP: codevalue += OP_PROP_EXTRA; break;
+ case OP_ANYNL: codevalue += OP_ANYNL_EXTRA; break;
+ case OP_EXTUNI: codevalue += OP_EXTUNI_EXTRA; break;
+ case OP_NOT_HSPACE:
+ case OP_HSPACE: codevalue += OP_HSPACE_EXTRA; break;
+ case OP_NOT_VSPACE:
+ case OP_VSPACE: codevalue += OP_VSPACE_EXTRA; break;
+ default: break;
+ }
+ }
+ }
+ else
+ {
+ dlen = 0; /* Not strictly necessary, but compilers moan */
+ d = NOTACHAR; /* if these variables are not set. */
+ }
+
+
+ /* Now process the individual opcodes */
+
+ switch (codevalue)
+ {
+/* ========================================================================== */
+ /* These cases are never obeyed. This is a fudge that causes a compile-
+ time error if the vectors coptable or poptable, which are indexed by
+ opcode, are not the correct length. It seems to be the only way to do
+ such a check at compile time, as the sizeof() operator does not work
+ in the C preprocessor. */
+
+ case OP_TABLE_LENGTH:
+ case OP_TABLE_LENGTH +
+ ((sizeof(coptable) == OP_TABLE_LENGTH) &&
+ (sizeof(poptable) == OP_TABLE_LENGTH)):
+ break;
+
+/* ========================================================================== */
+ /* Reached a closing bracket. If not at the end of the pattern, carry
+ on with the next opcode. For repeating opcodes, also add the repeat
+ state. Note that KETRPOS will always be encountered at the end of the
+ subpattern, because the possessive subpattern repeats are always handled
+ using recursive calls. Thus, it never adds any new states.
+
+ At the end of the (sub)pattern, unless we have an empty string and
+ PCRE_NOTEMPTY is set, or PCRE_NOTEMPTY_ATSTART is set and we are at the
+ start of the subject, save the match data, shifting up all previous
+ matches so we always have the longest first. */
+
+ case OP_KET:
+ case OP_KETRMIN:
+ case OP_KETRMAX:
+ case OP_KETRPOS:
+ if (code != end_code)
+ {
+ ADD_ACTIVE(state_offset + 1 + LINK_SIZE, 0);
+ if (codevalue != OP_KET)
+ {
+ ADD_ACTIVE(state_offset - GET(code, 1), 0);
+ }
+ }
+ else
+ {
+ if (ptr > current_subject ||
+ ((md->moptions & PCRE_NOTEMPTY) == 0 &&
+ ((md->moptions & PCRE_NOTEMPTY_ATSTART) == 0 ||
+ current_subject > start_subject + md->start_offset)))
+ {
+ if (match_count < 0) match_count = (offsetcount >= 2)? 1 : 0;
+ else if (match_count > 0 && ++match_count * 2 > offsetcount)
+ match_count = 0;
+ count = ((match_count == 0)? offsetcount : match_count * 2) - 2;
+ if (count > 0) memmove(offsets + 2, offsets, count * sizeof(int));
+ if (offsetcount >= 2)
+ {
+ offsets[0] = (int)(current_subject - start_subject);
+ offsets[1] = (int)(ptr - start_subject);
+ DPRINTF(("%.*sSet matched string = \"%.*s\"\n", rlevel*2-2, SP,
+ offsets[1] - offsets[0], (char *)current_subject));
+ }
+ if ((md->moptions & PCRE_DFA_SHORTEST) != 0)
+ {
+ DPRINTF(("%.*sEnd of internal_dfa_exec %d: returning %d\n"
+ "%.*s---------------------\n\n", rlevel*2-2, SP, rlevel,
+ match_count, rlevel*2-2, SP));
+ return match_count;
+ }
+ }
+ }
+ break;
+
+/* ========================================================================== */
+ /* These opcodes add to the current list of states without looking
+ at the current character. */
+
+ /*-----------------------------------------------------------------*/
+ case OP_ALT:
+ do { code += GET(code, 1); } while (*code == OP_ALT);
+ ADD_ACTIVE((int)(code - start_code), 0);
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_BRA:
+ case OP_SBRA:
+ do
+ {
+ ADD_ACTIVE((int)(code - start_code + 1 + LINK_SIZE), 0);
+ code += GET(code, 1);
+ }
+ while (*code == OP_ALT);
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_CBRA:
+ case OP_SCBRA:
+ ADD_ACTIVE((int)(code - start_code + 1 + LINK_SIZE + IMM2_SIZE), 0);
+ code += GET(code, 1);
+ while (*code == OP_ALT)
+ {
+ ADD_ACTIVE((int)(code - start_code + 1 + LINK_SIZE), 0);
+ code += GET(code, 1);
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_BRAZERO:
+ case OP_BRAMINZERO:
+ ADD_ACTIVE(state_offset + 1, 0);
+ code += 1 + GET(code, 2);
+ while (*code == OP_ALT) code += GET(code, 1);
+ ADD_ACTIVE((int)(code - start_code + 1 + LINK_SIZE), 0);
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_SKIPZERO:
+ code += 1 + GET(code, 2);
+ while (*code == OP_ALT) code += GET(code, 1);
+ ADD_ACTIVE((int)(code - start_code + 1 + LINK_SIZE), 0);
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_CIRC:
+ if (ptr == start_subject && (md->moptions & PCRE_NOTBOL) == 0)
+ { ADD_ACTIVE(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_CIRCM:
+ if ((ptr == start_subject && (md->moptions & PCRE_NOTBOL) == 0) ||
+ (ptr != end_subject && WAS_NEWLINE(ptr)))
+ { ADD_ACTIVE(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_EOD:
+ if (ptr >= end_subject)
+ {
+ if ((md->moptions & PCRE_PARTIAL_HARD) != 0)
+ could_continue = TRUE;
+ else { ADD_ACTIVE(state_offset + 1, 0); }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_SOD:
+ if (ptr == start_subject) { ADD_ACTIVE(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_SOM:
+ if (ptr == start_subject + start_offset) { ADD_ACTIVE(state_offset + 1, 0); }
+ break;
+
+
+/* ========================================================================== */
+ /* These opcodes inspect the next subject character, and sometimes
+ the previous one as well, but do not have an argument. The variable
+ clen contains the length of the current character and is zero if we are
+ at the end of the subject. */
+
+ /*-----------------------------------------------------------------*/
+ case OP_ANY:
+ if (clen > 0 && !IS_NEWLINE(ptr))
+ {
+ if (ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ could_continue = partial_newline = TRUE;
+ }
+ else
+ {
+ ADD_NEW(state_offset + 1, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_ALLANY:
+ if (clen > 0)
+ { ADD_NEW(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_EODN:
+ if (clen == 0 && (md->moptions & PCRE_PARTIAL_HARD) != 0)
+ could_continue = TRUE;
+ else if (clen == 0 || (IS_NEWLINE(ptr) && ptr == end_subject - md->nllen))
+ { ADD_ACTIVE(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_DOLL:
+ if ((md->moptions & PCRE_NOTEOL) == 0)
+ {
+ if (clen == 0 && (md->moptions & PCRE_PARTIAL_HARD) != 0)
+ could_continue = TRUE;
+ else if (clen == 0 ||
+ ((md->poptions & PCRE_DOLLAR_ENDONLY) == 0 && IS_NEWLINE(ptr) &&
+ (ptr == end_subject - md->nllen)
+ ))
+ { ADD_ACTIVE(state_offset + 1, 0); }
+ else if (ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ if ((md->moptions & PCRE_PARTIAL_HARD) != 0)
+ {
+ reset_could_continue = TRUE;
+ ADD_NEW_DATA(-(state_offset + 1), 0, 1);
+ }
+ else could_continue = partial_newline = TRUE;
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_DOLLM:
+ if ((md->moptions & PCRE_NOTEOL) == 0)
+ {
+ if (clen == 0 && (md->moptions & PCRE_PARTIAL_HARD) != 0)
+ could_continue = TRUE;
+ else if (clen == 0 ||
+ ((md->poptions & PCRE_DOLLAR_ENDONLY) == 0 && IS_NEWLINE(ptr)))
+ { ADD_ACTIVE(state_offset + 1, 0); }
+ else if (ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ if ((md->moptions & PCRE_PARTIAL_HARD) != 0)
+ {
+ reset_could_continue = TRUE;
+ ADD_NEW_DATA(-(state_offset + 1), 0, 1);
+ }
+ else could_continue = partial_newline = TRUE;
+ }
+ }
+ else if (IS_NEWLINE(ptr))
+ { ADD_ACTIVE(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+
+ case OP_DIGIT:
+ case OP_WHITESPACE:
+ case OP_WORDCHAR:
+ if (clen > 0 && c < 256 &&
+ ((ctypes[c] & toptable1[codevalue]) ^ toptable2[codevalue]) != 0)
+ { ADD_NEW(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_NOT_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ if (clen > 0 && (c >= 256 ||
+ ((ctypes[c] & toptable1[codevalue]) ^ toptable2[codevalue]) != 0))
+ { ADD_NEW(state_offset + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_WORD_BOUNDARY:
+ case OP_NOT_WORD_BOUNDARY:
+ {
+ int left_word, right_word;
+
+ if (ptr > start_subject)
+ {
+ const pcre_uchar *temp = ptr - 1;
+ if (temp < md->start_used_ptr) md->start_used_ptr = temp;
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf) { BACKCHAR(temp); }
+#endif
+ GETCHARTEST(d, temp);
+#ifdef SUPPORT_UCP
+ if ((md->poptions & PCRE_UCP) != 0)
+ {
+ if (d == '_') left_word = TRUE; else
+ {
+ int cat = UCD_CATEGORY(d);
+ left_word = (cat == ucp_L || cat == ucp_N);
+ }
+ }
+ else
+#endif
+ left_word = d < 256 && (ctypes[d] & ctype_word) != 0;
+ }
+ else left_word = FALSE;
+
+ if (clen > 0)
+ {
+#ifdef SUPPORT_UCP
+ if ((md->poptions & PCRE_UCP) != 0)
+ {
+ if (c == '_') right_word = TRUE; else
+ {
+ int cat = UCD_CATEGORY(c);
+ right_word = (cat == ucp_L || cat == ucp_N);
+ }
+ }
+ else
+#endif
+ right_word = c < 256 && (ctypes[c] & ctype_word) != 0;
+ }
+ else right_word = FALSE;
+
+ if ((left_word == right_word) == (codevalue == OP_NOT_WORD_BOUNDARY))
+ { ADD_ACTIVE(state_offset + 1, 0); }
+ }
+ break;
+
+
+ /*-----------------------------------------------------------------*/
+ /* Check the next character by Unicode property. We will get here only
+ if the support is in the binary; otherwise a compile-time error occurs.
+ */
+
+#ifdef SUPPORT_UCP
+ case OP_PROP:
+ case OP_NOTPROP:
+ if (clen > 0)
+ {
+ BOOL OK;
+ const pcre_uint32 *cp;
+ const ucd_record * prop = GET_UCD(c);
+ switch(code[1])
+ {
+ case PT_ANY:
+ OK = TRUE;
+ break;
+
+ case PT_LAMP:
+ OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll ||
+ prop->chartype == ucp_Lt;
+ break;
+
+ case PT_GC:
+ OK = PRIV(ucp_gentype)[prop->chartype] == code[2];
+ break;
+
+ case PT_PC:
+ OK = prop->chartype == code[2];
+ break;
+
+ case PT_SC:
+ OK = prop->script == code[2];
+ break;
+
+ /* These are specials for combination cases. */
+
+ case PT_ALNUM:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N;
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_Z;
+ break;
+ }
+ break;
+
+ case PT_WORD:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N ||
+ c == CHAR_UNDERSCORE;
+ break;
+
+ case PT_CLIST:
+ cp = PRIV(ucd_caseless_sets) + code[2];
+ for (;;)
+ {
+ if (c < *cp) { OK = FALSE; break; }
+ if (c == *cp++) { OK = TRUE; break; }
+ }
+ break;
+
+ case PT_UCNC:
+ OK = c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000;
+ break;
+
+ /* Should never occur, but keep compilers from grumbling. */
+
+ default:
+ OK = codevalue != OP_PROP;
+ break;
+ }
+
+ if (OK == (codevalue == OP_PROP)) { ADD_NEW(state_offset + 3, 0); }
+ }
+ break;
+#endif
+
+
+
+/* ========================================================================== */
+ /* These opcodes likewise inspect the subject character, but have an
+ argument that is not a data character. It is one of these opcodes:
+ OP_ANY, OP_ALLANY, OP_DIGIT, OP_NOT_DIGIT, OP_WHITESPACE, OP_NOT_SPACE,
+ OP_WORDCHAR, OP_NOT_WORDCHAR. The value is loaded into d. */
+
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); }
+ if (clen > 0)
+ {
+ if (d == OP_ANY && ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ could_continue = partial_newline = TRUE;
+ }
+ else if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) ||
+ (c < 256 &&
+ (d != OP_ANY || !IS_NEWLINE(ptr)) &&
+ ((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0))
+ {
+ if (count > 0 && codevalue == OP_TYPEPOSPLUS)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ count++;
+ ADD_NEW(state_offset, count);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSQUERY:
+ ADD_ACTIVE(state_offset + 2, 0);
+ if (clen > 0)
+ {
+ if (d == OP_ANY && ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ could_continue = partial_newline = TRUE;
+ }
+ else if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) ||
+ (c < 256 &&
+ (d != OP_ANY || !IS_NEWLINE(ptr)) &&
+ ((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0))
+ {
+ if (codevalue == OP_TYPEPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW(state_offset + 2, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPOSSTAR:
+ ADD_ACTIVE(state_offset + 2, 0);
+ if (clen > 0)
+ {
+ if (d == OP_ANY && ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ could_continue = partial_newline = TRUE;
+ }
+ else if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) ||
+ (c < 256 &&
+ (d != OP_ANY || !IS_NEWLINE(ptr)) &&
+ ((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0))
+ {
+ if (codevalue == OP_TYPEPOSSTAR)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW(state_offset, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_TYPEEXACT:
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ if (d == OP_ANY && ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ could_continue = partial_newline = TRUE;
+ }
+ else if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) ||
+ (c < 256 &&
+ (d != OP_ANY || !IS_NEWLINE(ptr)) &&
+ ((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0))
+ {
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW(state_offset + 1 + IMM2_SIZE + 1, 0); }
+ else
+ { ADD_NEW(state_offset, count); }
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEPOSUPTO:
+ ADD_ACTIVE(state_offset + 2 + IMM2_SIZE, 0);
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ if (d == OP_ANY && ptr + 1 >= md->end_subject &&
+ (md->moptions & (PCRE_PARTIAL_HARD)) != 0 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ could_continue = partial_newline = TRUE;
+ }
+ else if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) ||
+ (c < 256 &&
+ (d != OP_ANY || !IS_NEWLINE(ptr)) &&
+ ((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0))
+ {
+ if (codevalue == OP_TYPEPOSUPTO)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW(state_offset + 2 + IMM2_SIZE, 0); }
+ else
+ { ADD_NEW(state_offset, count); }
+ }
+ }
+ break;
+
+/* ========================================================================== */
+ /* These are virtual opcodes that are used when something like
+ OP_TYPEPLUS has OP_PROP, OP_NOTPROP, OP_ANYNL, or OP_EXTUNI as its
+ argument. It keeps the code above fast for the other cases. The argument
+ is in the d variable. */
+
+#ifdef SUPPORT_UCP
+ case OP_PROP_EXTRA + OP_TYPEPLUS:
+ case OP_PROP_EXTRA + OP_TYPEMINPLUS:
+ case OP_PROP_EXTRA + OP_TYPEPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(state_offset + 4, 0); }
+ if (clen > 0)
+ {
+ BOOL OK;
+ const pcre_uint32 *cp;
+ const ucd_record * prop = GET_UCD(c);
+ switch(code[2])
+ {
+ case PT_ANY:
+ OK = TRUE;
+ break;
+
+ case PT_LAMP:
+ OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll ||
+ prop->chartype == ucp_Lt;
+ break;
+
+ case PT_GC:
+ OK = PRIV(ucp_gentype)[prop->chartype] == code[3];
+ break;
+
+ case PT_PC:
+ OK = prop->chartype == code[3];
+ break;
+
+ case PT_SC:
+ OK = prop->script == code[3];
+ break;
+
+ /* These are specials for combination cases. */
+
+ case PT_ALNUM:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N;
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_Z;
+ break;
+ }
+ break;
+
+ case PT_WORD:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N ||
+ c == CHAR_UNDERSCORE;
+ break;
+
+ case PT_CLIST:
+ cp = PRIV(ucd_caseless_sets) + code[3];
+ for (;;)
+ {
+ if (c < *cp) { OK = FALSE; break; }
+ if (c == *cp++) { OK = TRUE; break; }
+ }
+ break;
+
+ case PT_UCNC:
+ OK = c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000;
+ break;
+
+ /* Should never occur, but keep compilers from grumbling. */
+
+ default:
+ OK = codevalue != OP_PROP;
+ break;
+ }
+
+ if (OK == (d == OP_PROP))
+ {
+ if (count > 0 && codevalue == OP_PROP_EXTRA + OP_TYPEPOSPLUS)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ count++;
+ ADD_NEW(state_offset, count);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_EXTUNI_EXTRA + OP_TYPEPLUS:
+ case OP_EXTUNI_EXTRA + OP_TYPEMINPLUS:
+ case OP_EXTUNI_EXTRA + OP_TYPEPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); }
+ if (clen > 0)
+ {
+ int lgb, rgb;
+ const pcre_uchar *nptr = ptr + clen;
+ int ncount = 0;
+ if (count > 0 && codevalue == OP_EXTUNI_EXTRA + OP_TYPEPOSPLUS)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ lgb = UCD_GRAPHBREAK(c);
+ while (nptr < end_subject)
+ {
+ dlen = 1;
+ if (!utf) d = *nptr; else { GETCHARLEN(d, nptr, dlen); }
+ rgb = UCD_GRAPHBREAK(d);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ ncount++;
+ lgb = rgb;
+ nptr += dlen;
+ }
+ count++;
+ ADD_NEW_DATA(-state_offset, count, ncount);
+ }
+ break;
+#endif
+
+ /*-----------------------------------------------------------------*/
+ case OP_ANYNL_EXTRA + OP_TYPEPLUS:
+ case OP_ANYNL_EXTRA + OP_TYPEMINPLUS:
+ case OP_ANYNL_EXTRA + OP_TYPEPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); }
+ if (clen > 0)
+ {
+ int ncount = 0;
+ switch (c)
+ {
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break;
+ goto ANYNL01;
+
+ case CHAR_CR:
+ if (ptr + 1 < end_subject && UCHAR21TEST(ptr + 1) == CHAR_LF) ncount = 1;
+ /* Fall through */
+
+ ANYNL01:
+ case CHAR_LF:
+ if (count > 0 && codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSPLUS)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ count++;
+ ADD_NEW_DATA(-state_offset, count, ncount);
+ break;
+
+ default:
+ break;
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_VSPACE_EXTRA + OP_TYPEPLUS:
+ case OP_VSPACE_EXTRA + OP_TYPEMINPLUS:
+ case OP_VSPACE_EXTRA + OP_TYPEPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); }
+ if (clen > 0)
+ {
+ BOOL OK;
+ switch (c)
+ {
+ VSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = FALSE;
+ break;
+ }
+
+ if (OK == (d == OP_VSPACE))
+ {
+ if (count > 0 && codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSPLUS)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ count++;
+ ADD_NEW_DATA(-state_offset, count, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_HSPACE_EXTRA + OP_TYPEPLUS:
+ case OP_HSPACE_EXTRA + OP_TYPEMINPLUS:
+ case OP_HSPACE_EXTRA + OP_TYPEPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); }
+ if (clen > 0)
+ {
+ BOOL OK;
+ switch (c)
+ {
+ HSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = FALSE;
+ break;
+ }
+
+ if (OK == (d == OP_HSPACE))
+ {
+ if (count > 0 && codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSPLUS)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ count++;
+ ADD_NEW_DATA(-state_offset, count, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+#ifdef SUPPORT_UCP
+ case OP_PROP_EXTRA + OP_TYPEQUERY:
+ case OP_PROP_EXTRA + OP_TYPEMINQUERY:
+ case OP_PROP_EXTRA + OP_TYPEPOSQUERY:
+ count = 4;
+ goto QS1;
+
+ case OP_PROP_EXTRA + OP_TYPESTAR:
+ case OP_PROP_EXTRA + OP_TYPEMINSTAR:
+ case OP_PROP_EXTRA + OP_TYPEPOSSTAR:
+ count = 0;
+
+ QS1:
+
+ ADD_ACTIVE(state_offset + 4, 0);
+ if (clen > 0)
+ {
+ BOOL OK;
+ const pcre_uint32 *cp;
+ const ucd_record * prop = GET_UCD(c);
+ switch(code[2])
+ {
+ case PT_ANY:
+ OK = TRUE;
+ break;
+
+ case PT_LAMP:
+ OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll ||
+ prop->chartype == ucp_Lt;
+ break;
+
+ case PT_GC:
+ OK = PRIV(ucp_gentype)[prop->chartype] == code[3];
+ break;
+
+ case PT_PC:
+ OK = prop->chartype == code[3];
+ break;
+
+ case PT_SC:
+ OK = prop->script == code[3];
+ break;
+
+ /* These are specials for combination cases. */
+
+ case PT_ALNUM:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N;
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_Z;
+ break;
+ }
+ break;
+
+ case PT_WORD:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N ||
+ c == CHAR_UNDERSCORE;
+ break;
+
+ case PT_CLIST:
+ cp = PRIV(ucd_caseless_sets) + code[3];
+ for (;;)
+ {
+ if (c < *cp) { OK = FALSE; break; }
+ if (c == *cp++) { OK = TRUE; break; }
+ }
+ break;
+
+ case PT_UCNC:
+ OK = c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000;
+ break;
+
+ /* Should never occur, but keep compilers from grumbling. */
+
+ default:
+ OK = codevalue != OP_PROP;
+ break;
+ }
+
+ if (OK == (d == OP_PROP))
+ {
+ if (codevalue == OP_PROP_EXTRA + OP_TYPEPOSSTAR ||
+ codevalue == OP_PROP_EXTRA + OP_TYPEPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW(state_offset + count, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_EXTUNI_EXTRA + OP_TYPEQUERY:
+ case OP_EXTUNI_EXTRA + OP_TYPEMINQUERY:
+ case OP_EXTUNI_EXTRA + OP_TYPEPOSQUERY:
+ count = 2;
+ goto QS2;
+
+ case OP_EXTUNI_EXTRA + OP_TYPESTAR:
+ case OP_EXTUNI_EXTRA + OP_TYPEMINSTAR:
+ case OP_EXTUNI_EXTRA + OP_TYPEPOSSTAR:
+ count = 0;
+
+ QS2:
+
+ ADD_ACTIVE(state_offset + 2, 0);
+ if (clen > 0)
+ {
+ int lgb, rgb;
+ const pcre_uchar *nptr = ptr + clen;
+ int ncount = 0;
+ if (codevalue == OP_EXTUNI_EXTRA + OP_TYPEPOSSTAR ||
+ codevalue == OP_EXTUNI_EXTRA + OP_TYPEPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ lgb = UCD_GRAPHBREAK(c);
+ while (nptr < end_subject)
+ {
+ dlen = 1;
+ if (!utf) d = *nptr; else { GETCHARLEN(d, nptr, dlen); }
+ rgb = UCD_GRAPHBREAK(d);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ ncount++;
+ lgb = rgb;
+ nptr += dlen;
+ }
+ ADD_NEW_DATA(-(state_offset + count), 0, ncount);
+ }
+ break;
+#endif
+
+ /*-----------------------------------------------------------------*/
+ case OP_ANYNL_EXTRA + OP_TYPEQUERY:
+ case OP_ANYNL_EXTRA + OP_TYPEMINQUERY:
+ case OP_ANYNL_EXTRA + OP_TYPEPOSQUERY:
+ count = 2;
+ goto QS3;
+
+ case OP_ANYNL_EXTRA + OP_TYPESTAR:
+ case OP_ANYNL_EXTRA + OP_TYPEMINSTAR:
+ case OP_ANYNL_EXTRA + OP_TYPEPOSSTAR:
+ count = 0;
+
+ QS3:
+ ADD_ACTIVE(state_offset + 2, 0);
+ if (clen > 0)
+ {
+ int ncount = 0;
+ switch (c)
+ {
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break;
+ goto ANYNL02;
+
+ case CHAR_CR:
+ if (ptr + 1 < end_subject && UCHAR21TEST(ptr + 1) == CHAR_LF) ncount = 1;
+ /* Fall through */
+
+ ANYNL02:
+ case CHAR_LF:
+ if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSSTAR ||
+ codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW_DATA(-(state_offset + (int)count), 0, ncount);
+ break;
+
+ default:
+ break;
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_VSPACE_EXTRA + OP_TYPEQUERY:
+ case OP_VSPACE_EXTRA + OP_TYPEMINQUERY:
+ case OP_VSPACE_EXTRA + OP_TYPEPOSQUERY:
+ count = 2;
+ goto QS4;
+
+ case OP_VSPACE_EXTRA + OP_TYPESTAR:
+ case OP_VSPACE_EXTRA + OP_TYPEMINSTAR:
+ case OP_VSPACE_EXTRA + OP_TYPEPOSSTAR:
+ count = 0;
+
+ QS4:
+ ADD_ACTIVE(state_offset + 2, 0);
+ if (clen > 0)
+ {
+ BOOL OK;
+ switch (c)
+ {
+ VSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = FALSE;
+ break;
+ }
+ if (OK == (d == OP_VSPACE))
+ {
+ if (codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSSTAR ||
+ codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW_DATA(-(state_offset + (int)count), 0, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_HSPACE_EXTRA + OP_TYPEQUERY:
+ case OP_HSPACE_EXTRA + OP_TYPEMINQUERY:
+ case OP_HSPACE_EXTRA + OP_TYPEPOSQUERY:
+ count = 2;
+ goto QS5;
+
+ case OP_HSPACE_EXTRA + OP_TYPESTAR:
+ case OP_HSPACE_EXTRA + OP_TYPEMINSTAR:
+ case OP_HSPACE_EXTRA + OP_TYPEPOSSTAR:
+ count = 0;
+
+ QS5:
+ ADD_ACTIVE(state_offset + 2, 0);
+ if (clen > 0)
+ {
+ BOOL OK;
+ switch (c)
+ {
+ HSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = FALSE;
+ break;
+ }
+
+ if (OK == (d == OP_HSPACE))
+ {
+ if (codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSSTAR ||
+ codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW_DATA(-(state_offset + (int)count), 0, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+#ifdef SUPPORT_UCP
+ case OP_PROP_EXTRA + OP_TYPEEXACT:
+ case OP_PROP_EXTRA + OP_TYPEUPTO:
+ case OP_PROP_EXTRA + OP_TYPEMINUPTO:
+ case OP_PROP_EXTRA + OP_TYPEPOSUPTO:
+ if (codevalue != OP_PROP_EXTRA + OP_TYPEEXACT)
+ { ADD_ACTIVE(state_offset + 1 + IMM2_SIZE + 3, 0); }
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ BOOL OK;
+ const pcre_uint32 *cp;
+ const ucd_record * prop = GET_UCD(c);
+ switch(code[1 + IMM2_SIZE + 1])
+ {
+ case PT_ANY:
+ OK = TRUE;
+ break;
+
+ case PT_LAMP:
+ OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll ||
+ prop->chartype == ucp_Lt;
+ break;
+
+ case PT_GC:
+ OK = PRIV(ucp_gentype)[prop->chartype] == code[1 + IMM2_SIZE + 2];
+ break;
+
+ case PT_PC:
+ OK = prop->chartype == code[1 + IMM2_SIZE + 2];
+ break;
+
+ case PT_SC:
+ OK = prop->script == code[1 + IMM2_SIZE + 2];
+ break;
+
+ /* These are specials for combination cases. */
+
+ case PT_ALNUM:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N;
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_Z;
+ break;
+ }
+ break;
+
+ case PT_WORD:
+ OK = PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N ||
+ c == CHAR_UNDERSCORE;
+ break;
+
+ case PT_CLIST:
+ cp = PRIV(ucd_caseless_sets) + code[1 + IMM2_SIZE + 2];
+ for (;;)
+ {
+ if (c < *cp) { OK = FALSE; break; }
+ if (c == *cp++) { OK = TRUE; break; }
+ }
+ break;
+
+ case PT_UCNC:
+ OK = c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000;
+ break;
+
+ /* Should never occur, but keep compilers from grumbling. */
+
+ default:
+ OK = codevalue != OP_PROP;
+ break;
+ }
+
+ if (OK == (d == OP_PROP))
+ {
+ if (codevalue == OP_PROP_EXTRA + OP_TYPEPOSUPTO)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW(state_offset + 1 + IMM2_SIZE + 3, 0); }
+ else
+ { ADD_NEW(state_offset, count); }
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_EXTUNI_EXTRA + OP_TYPEEXACT:
+ case OP_EXTUNI_EXTRA + OP_TYPEUPTO:
+ case OP_EXTUNI_EXTRA + OP_TYPEMINUPTO:
+ case OP_EXTUNI_EXTRA + OP_TYPEPOSUPTO:
+ if (codevalue != OP_EXTUNI_EXTRA + OP_TYPEEXACT)
+ { ADD_ACTIVE(state_offset + 2 + IMM2_SIZE, 0); }
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ int lgb, rgb;
+ const pcre_uchar *nptr = ptr + clen;
+ int ncount = 0;
+ if (codevalue == OP_EXTUNI_EXTRA + OP_TYPEPOSUPTO)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ lgb = UCD_GRAPHBREAK(c);
+ while (nptr < end_subject)
+ {
+ dlen = 1;
+ if (!utf) d = *nptr; else { GETCHARLEN(d, nptr, dlen); }
+ rgb = UCD_GRAPHBREAK(d);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ ncount++;
+ lgb = rgb;
+ nptr += dlen;
+ }
+ if (nptr >= end_subject && (md->moptions & PCRE_PARTIAL_HARD) != 0)
+ reset_could_continue = TRUE;
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW_DATA(-(state_offset + 2 + IMM2_SIZE), 0, ncount); }
+ else
+ { ADD_NEW_DATA(-state_offset, count, ncount); }
+ }
+ break;
+#endif
+
+ /*-----------------------------------------------------------------*/
+ case OP_ANYNL_EXTRA + OP_TYPEEXACT:
+ case OP_ANYNL_EXTRA + OP_TYPEUPTO:
+ case OP_ANYNL_EXTRA + OP_TYPEMINUPTO:
+ case OP_ANYNL_EXTRA + OP_TYPEPOSUPTO:
+ if (codevalue != OP_ANYNL_EXTRA + OP_TYPEEXACT)
+ { ADD_ACTIVE(state_offset + 2 + IMM2_SIZE, 0); }
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ int ncount = 0;
+ switch (c)
+ {
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break;
+ goto ANYNL03;
+
+ case CHAR_CR:
+ if (ptr + 1 < end_subject && UCHAR21TEST(ptr + 1) == CHAR_LF) ncount = 1;
+ /* Fall through */
+
+ ANYNL03:
+ case CHAR_LF:
+ if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSUPTO)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW_DATA(-(state_offset + 2 + IMM2_SIZE), 0, ncount); }
+ else
+ { ADD_NEW_DATA(-state_offset, count, ncount); }
+ break;
+
+ default:
+ break;
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_VSPACE_EXTRA + OP_TYPEEXACT:
+ case OP_VSPACE_EXTRA + OP_TYPEUPTO:
+ case OP_VSPACE_EXTRA + OP_TYPEMINUPTO:
+ case OP_VSPACE_EXTRA + OP_TYPEPOSUPTO:
+ if (codevalue != OP_VSPACE_EXTRA + OP_TYPEEXACT)
+ { ADD_ACTIVE(state_offset + 2 + IMM2_SIZE, 0); }
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ BOOL OK;
+ switch (c)
+ {
+ VSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = FALSE;
+ }
+
+ if (OK == (d == OP_VSPACE))
+ {
+ if (codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSUPTO)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW_DATA(-(state_offset + 2 + IMM2_SIZE), 0, 0); }
+ else
+ { ADD_NEW_DATA(-state_offset, count, 0); }
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_HSPACE_EXTRA + OP_TYPEEXACT:
+ case OP_HSPACE_EXTRA + OP_TYPEUPTO:
+ case OP_HSPACE_EXTRA + OP_TYPEMINUPTO:
+ case OP_HSPACE_EXTRA + OP_TYPEPOSUPTO:
+ if (codevalue != OP_HSPACE_EXTRA + OP_TYPEEXACT)
+ { ADD_ACTIVE(state_offset + 2 + IMM2_SIZE, 0); }
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ BOOL OK;
+ switch (c)
+ {
+ HSPACE_CASES:
+ OK = TRUE;
+ break;
+
+ default:
+ OK = FALSE;
+ break;
+ }
+
+ if (OK == (d == OP_HSPACE))
+ {
+ if (codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSUPTO)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW_DATA(-(state_offset + 2 + IMM2_SIZE), 0, 0); }
+ else
+ { ADD_NEW_DATA(-state_offset, count, 0); }
+ }
+ }
+ break;
+
+/* ========================================================================== */
+ /* These opcodes are followed by a character that is usually compared
+ to the current subject character; it is loaded into d. We still get
+ here even if there is no subject character, because in some cases zero
+ repetitions are permitted. */
+
+ /*-----------------------------------------------------------------*/
+ case OP_CHAR:
+ if (clen > 0 && c == d) { ADD_NEW(state_offset + dlen + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_CHARI:
+ if (clen == 0) break;
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ if (c == d) { ADD_NEW(state_offset + dlen + 1, 0); } else
+ {
+ unsigned int othercase;
+ if (c < 128)
+ othercase = fcc[c];
+ else
+ /* If we have Unicode property support, we can use it to test the
+ other case of the character. */
+#ifdef SUPPORT_UCP
+ othercase = UCD_OTHERCASE(c);
+#else
+ othercase = NOTACHAR;
+#endif
+
+ if (d == othercase) { ADD_NEW(state_offset + dlen + 1, 0); }
+ }
+ }
+ else
+#endif /* SUPPORT_UTF */
+ /* Not UTF mode */
+ {
+ if (TABLE_GET(c, lcc, c) == TABLE_GET(d, lcc, d))
+ { ADD_NEW(state_offset + 2, 0); }
+ }
+ break;
+
+
+#ifdef SUPPORT_UCP
+ /*-----------------------------------------------------------------*/
+ /* This is a tricky one because it can match more than one character.
+ Find out how many characters to skip, and then set up a negative state
+ to wait for them to pass before continuing. */
+
+ case OP_EXTUNI:
+ if (clen > 0)
+ {
+ int lgb, rgb;
+ const pcre_uchar *nptr = ptr + clen;
+ int ncount = 0;
+ lgb = UCD_GRAPHBREAK(c);
+ while (nptr < end_subject)
+ {
+ dlen = 1;
+ if (!utf) d = *nptr; else { GETCHARLEN(d, nptr, dlen); }
+ rgb = UCD_GRAPHBREAK(d);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ ncount++;
+ lgb = rgb;
+ nptr += dlen;
+ }
+ if (nptr >= end_subject && (md->moptions & PCRE_PARTIAL_HARD) != 0)
+ reset_could_continue = TRUE;
+ ADD_NEW_DATA(-(state_offset + 1), 0, ncount);
+ }
+ break;
+#endif
+
+ /*-----------------------------------------------------------------*/
+ /* This is a tricky like EXTUNI because it too can match more than one
+ character (when CR is followed by LF). In this case, set up a negative
+ state to wait for one character to pass before continuing. */
+
+ case OP_ANYNL:
+ if (clen > 0) switch(c)
+ {
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break;
+
+ case CHAR_LF:
+ ADD_NEW(state_offset + 1, 0);
+ break;
+
+ case CHAR_CR:
+ if (ptr + 1 >= end_subject)
+ {
+ ADD_NEW(state_offset + 1, 0);
+ if ((md->moptions & PCRE_PARTIAL_HARD) != 0)
+ reset_could_continue = TRUE;
+ }
+ else if (UCHAR21TEST(ptr + 1) == CHAR_LF)
+ {
+ ADD_NEW_DATA(-(state_offset + 1), 0, 1);
+ }
+ else
+ {
+ ADD_NEW(state_offset + 1, 0);
+ }
+ break;
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_NOT_VSPACE:
+ if (clen > 0) switch(c)
+ {
+ VSPACE_CASES:
+ break;
+
+ default:
+ ADD_NEW(state_offset + 1, 0);
+ break;
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_VSPACE:
+ if (clen > 0) switch(c)
+ {
+ VSPACE_CASES:
+ ADD_NEW(state_offset + 1, 0);
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_NOT_HSPACE:
+ if (clen > 0) switch(c)
+ {
+ HSPACE_CASES:
+ break;
+
+ default:
+ ADD_NEW(state_offset + 1, 0);
+ break;
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_HSPACE:
+ if (clen > 0) switch(c)
+ {
+ HSPACE_CASES:
+ ADD_NEW(state_offset + 1, 0);
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ /* Match a negated single character casefully. */
+
+ case OP_NOT:
+ if (clen > 0 && c != d) { ADD_NEW(state_offset + dlen + 1, 0); }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ /* Match a negated single character caselessly. */
+
+ case OP_NOTI:
+ if (clen > 0)
+ {
+ pcre_uint32 otherd;
+#ifdef SUPPORT_UTF
+ if (utf && d >= 128)
+ {
+#ifdef SUPPORT_UCP
+ otherd = UCD_OTHERCASE(d);
+#else
+ otherd = d;
+#endif /* SUPPORT_UCP */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ otherd = TABLE_GET(d, fcc, d);
+ if (c != d && c != otherd)
+ { ADD_NEW(state_offset + dlen + 1, 0); }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_POSPLUSI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTPOSPLUSI:
+ caseless = TRUE;
+ codevalue -= OP_STARI - OP_STAR;
+
+ /* Fall through */
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_POSPLUS:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(state_offset + dlen + 1, 0); }
+ if (clen > 0)
+ {
+ pcre_uint32 otherd = NOTACHAR;
+ if (caseless)
+ {
+#ifdef SUPPORT_UTF
+ if (utf && d >= 128)
+ {
+#ifdef SUPPORT_UCP
+ otherd = UCD_OTHERCASE(d);
+#endif /* SUPPORT_UCP */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ otherd = TABLE_GET(d, fcc, d);
+ }
+ if ((c == d || c == otherd) == (codevalue < OP_NOTSTAR))
+ {
+ if (count > 0 &&
+ (codevalue == OP_POSPLUS || codevalue == OP_NOTPOSPLUS))
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ count++;
+ ADD_NEW(state_offset, count);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_POSQUERYI:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERYI:
+ case OP_NOTPOSQUERYI:
+ caseless = TRUE;
+ codevalue -= OP_STARI - OP_STAR;
+ /* Fall through */
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_POSQUERY:
+ case OP_NOTQUERY:
+ case OP_NOTMINQUERY:
+ case OP_NOTPOSQUERY:
+ ADD_ACTIVE(state_offset + dlen + 1, 0);
+ if (clen > 0)
+ {
+ pcre_uint32 otherd = NOTACHAR;
+ if (caseless)
+ {
+#ifdef SUPPORT_UTF
+ if (utf && d >= 128)
+ {
+#ifdef SUPPORT_UCP
+ otherd = UCD_OTHERCASE(d);
+#endif /* SUPPORT_UCP */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ otherd = TABLE_GET(d, fcc, d);
+ }
+ if ((c == d || c == otherd) == (codevalue < OP_NOTSTAR))
+ {
+ if (codevalue == OP_POSQUERY || codevalue == OP_NOTPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW(state_offset + dlen + 1, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_POSSTARI:
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPOSSTARI:
+ caseless = TRUE;
+ codevalue -= OP_STARI - OP_STAR;
+ /* Fall through */
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_POSSTAR:
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPOSSTAR:
+ ADD_ACTIVE(state_offset + dlen + 1, 0);
+ if (clen > 0)
+ {
+ pcre_uint32 otherd = NOTACHAR;
+ if (caseless)
+ {
+#ifdef SUPPORT_UTF
+ if (utf && d >= 128)
+ {
+#ifdef SUPPORT_UCP
+ otherd = UCD_OTHERCASE(d);
+#endif /* SUPPORT_UCP */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ otherd = TABLE_GET(d, fcc, d);
+ }
+ if ((c == d || c == otherd) == (codevalue < OP_NOTSTAR))
+ {
+ if (codevalue == OP_POSSTAR || codevalue == OP_NOTPOSSTAR)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW(state_offset, 0);
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_EXACTI:
+ case OP_NOTEXACTI:
+ caseless = TRUE;
+ codevalue -= OP_STARI - OP_STAR;
+ /* Fall through */
+ case OP_EXACT:
+ case OP_NOTEXACT:
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ pcre_uint32 otherd = NOTACHAR;
+ if (caseless)
+ {
+#ifdef SUPPORT_UTF
+ if (utf && d >= 128)
+ {
+#ifdef SUPPORT_UCP
+ otherd = UCD_OTHERCASE(d);
+#endif /* SUPPORT_UCP */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ otherd = TABLE_GET(d, fcc, d);
+ }
+ if ((c == d || c == otherd) == (codevalue < OP_NOTSTAR))
+ {
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW(state_offset + dlen + 1 + IMM2_SIZE, 0); }
+ else
+ { ADD_NEW(state_offset, count); }
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_POSUPTOI:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTOI:
+ case OP_NOTPOSUPTOI:
+ caseless = TRUE;
+ codevalue -= OP_STARI - OP_STAR;
+ /* Fall through */
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_POSUPTO:
+ case OP_NOTUPTO:
+ case OP_NOTMINUPTO:
+ case OP_NOTPOSUPTO:
+ ADD_ACTIVE(state_offset + dlen + 1 + IMM2_SIZE, 0);
+ count = current_state->count; /* Number already matched */
+ if (clen > 0)
+ {
+ pcre_uint32 otherd = NOTACHAR;
+ if (caseless)
+ {
+#ifdef SUPPORT_UTF
+ if (utf && d >= 128)
+ {
+#ifdef SUPPORT_UCP
+ otherd = UCD_OTHERCASE(d);
+#endif /* SUPPORT_UCP */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ otherd = TABLE_GET(d, fcc, d);
+ }
+ if ((c == d || c == otherd) == (codevalue < OP_NOTSTAR))
+ {
+ if (codevalue == OP_POSUPTO || codevalue == OP_NOTPOSUPTO)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ if (++count >= (int)GET2(code, 1))
+ { ADD_NEW(state_offset + dlen + 1 + IMM2_SIZE, 0); }
+ else
+ { ADD_NEW(state_offset, count); }
+ }
+ }
+ break;
+
+
+/* ========================================================================== */
+ /* These are the class-handling opcodes */
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ case OP_XCLASS:
+ {
+ BOOL isinclass = FALSE;
+ int next_state_offset;
+ const pcre_uchar *ecode;
+
+ /* For a simple class, there is always just a 32-byte table, and we
+ can set isinclass from it. */
+
+ if (codevalue != OP_XCLASS)
+ {
+ ecode = code + 1 + (32 / sizeof(pcre_uchar));
+ if (clen > 0)
+ {
+ isinclass = (c > 255)? (codevalue == OP_NCLASS) :
+ ((((pcre_uint8 *)(code + 1))[c/8] & (1 << (c&7))) != 0);
+ }
+ }
+
+ /* An extended class may have a table or a list of single characters,
+ ranges, or both, and it may be positive or negative. There's a
+ function that sorts all this out. */
+
+ else
+ {
+ ecode = code + GET(code, 1);
+ if (clen > 0) isinclass = PRIV(xclass)(c, code + 1 + LINK_SIZE, utf);
+ }
+
+ /* At this point, isinclass is set for all kinds of class, and ecode
+ points to the byte after the end of the class. If there is a
+ quantifier, this is where it will be. */
+
+ next_state_offset = (int)(ecode - start_code);
+
+ switch (*ecode)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPOSSTAR:
+ ADD_ACTIVE(next_state_offset + 1, 0);
+ if (isinclass)
+ {
+ if (*ecode == OP_CRPOSSTAR)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW(state_offset, 0);
+ }
+ break;
+
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRPOSPLUS:
+ count = current_state->count; /* Already matched */
+ if (count > 0) { ADD_ACTIVE(next_state_offset + 1, 0); }
+ if (isinclass)
+ {
+ if (count > 0 && *ecode == OP_CRPOSPLUS)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ count++;
+ ADD_NEW(state_offset, count);
+ }
+ break;
+
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSQUERY:
+ ADD_ACTIVE(next_state_offset + 1, 0);
+ if (isinclass)
+ {
+ if (*ecode == OP_CRPOSQUERY)
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ ADD_NEW(next_state_offset + 1, 0);
+ }
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ count = current_state->count; /* Already matched */
+ if (count >= (int)GET2(ecode, 1))
+ { ADD_ACTIVE(next_state_offset + 1 + 2 * IMM2_SIZE, 0); }
+ if (isinclass)
+ {
+ int max = (int)GET2(ecode, 1 + IMM2_SIZE);
+ if (*ecode == OP_CRPOSRANGE && count >= (int)GET2(ecode, 1))
+ {
+ active_count--; /* Remove non-match possibility */
+ next_active_state--;
+ }
+ if (++count >= max && max != 0) /* Max 0 => no limit */
+ { ADD_NEW(next_state_offset + 1 + 2 * IMM2_SIZE, 0); }
+ else
+ { ADD_NEW(state_offset, count); }
+ }
+ break;
+
+ default:
+ if (isinclass) { ADD_NEW(next_state_offset, 0); }
+ break;
+ }
+ }
+ break;
+
+/* ========================================================================== */
+ /* These are the opcodes for fancy brackets of various kinds. We have
+ to use recursion in order to handle them. The "always failing" assertion
+ (?!) is optimised to OP_FAIL when compiling, so we have to support that,
+ though the other "backtracking verbs" are not supported. */
+
+ case OP_FAIL:
+ forced_fail++; /* Count FAILs for multiple states */
+ break;
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ {
+ int rc;
+ int local_offsets[2];
+ int local_workspace[1000];
+ const pcre_uchar *endasscode = code + GET(code, 1);
+
+ while (*endasscode == OP_ALT) endasscode += GET(endasscode, 1);
+
+ rc = internal_dfa_exec(
+ md, /* static match data */
+ code, /* this subexpression's code */
+ ptr, /* where we currently are */
+ (int)(ptr - start_subject), /* start offset */
+ local_offsets, /* offset vector */
+ sizeof(local_offsets)/sizeof(int), /* size of same */
+ local_workspace, /* workspace vector */
+ sizeof(local_workspace)/sizeof(int), /* size of same */
+ rlevel); /* function recursion level */
+
+ if (rc == PCRE_ERROR_DFA_UITEM) return rc;
+ if ((rc >= 0) == (codevalue == OP_ASSERT || codevalue == OP_ASSERTBACK))
+ { ADD_ACTIVE((int)(endasscode + LINK_SIZE + 1 - start_code), 0); }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_COND:
+ case OP_SCOND:
+ {
+ int local_offsets[1000];
+ int local_workspace[1000];
+ int codelink = GET(code, 1);
+ int condcode;
+
+ /* Because of the way auto-callout works during compile, a callout item
+ is inserted between OP_COND and an assertion condition. This does not
+ happen for the other conditions. */
+
+ if (code[LINK_SIZE+1] == OP_CALLOUT)
+ {
+ rrc = 0;
+ if (PUBL(callout) != NULL)
+ {
+ PUBL(callout_block) cb;
+ cb.version = 1; /* Version 1 of the callout block */
+ cb.callout_number = code[LINK_SIZE+2];
+ cb.offset_vector = offsets;
+#if defined COMPILE_PCRE8
+ cb.subject = (PCRE_SPTR)start_subject;
+#elif defined COMPILE_PCRE16
+ cb.subject = (PCRE_SPTR16)start_subject;
+#elif defined COMPILE_PCRE32
+ cb.subject = (PCRE_SPTR32)start_subject;
+#endif
+ cb.subject_length = (int)(end_subject - start_subject);
+ cb.start_match = (int)(current_subject - start_subject);
+ cb.current_position = (int)(ptr - start_subject);
+ cb.pattern_position = GET(code, LINK_SIZE + 3);
+ cb.next_item_length = GET(code, 3 + 2*LINK_SIZE);
+ cb.capture_top = 1;
+ cb.capture_last = -1;
+ cb.callout_data = md->callout_data;
+ cb.mark = NULL; /* No (*MARK) support */
+ if ((rrc = (*PUBL(callout))(&cb)) < 0) return rrc; /* Abandon */
+ }
+ if (rrc > 0) break; /* Fail this thread */
+ code += PRIV(OP_lengths)[OP_CALLOUT]; /* Skip callout data */
+ }
+
+ condcode = code[LINK_SIZE+1];
+
+ /* Back reference conditions and duplicate named recursion conditions
+ are not supported */
+
+ if (condcode == OP_CREF || condcode == OP_DNCREF ||
+ condcode == OP_DNRREF)
+ return PCRE_ERROR_DFA_UCOND;
+
+ /* The DEFINE condition is always false, and the assertion (?!) is
+ converted to OP_FAIL. */
+
+ if (condcode == OP_DEF || condcode == OP_FAIL)
+ { ADD_ACTIVE(state_offset + codelink + LINK_SIZE + 1, 0); }
+
+ /* The only supported version of OP_RREF is for the value RREF_ANY,
+ which means "test if in any recursion". We can't test for specifically
+ recursed groups. */
+
+ else if (condcode == OP_RREF)
+ {
+ int value = GET2(code, LINK_SIZE + 2);
+ if (value != RREF_ANY) return PCRE_ERROR_DFA_UCOND;
+ if (md->recursive != NULL)
+ { ADD_ACTIVE(state_offset + LINK_SIZE + 2 + IMM2_SIZE, 0); }
+ else { ADD_ACTIVE(state_offset + codelink + LINK_SIZE + 1, 0); }
+ }
+
+ /* Otherwise, the condition is an assertion */
+
+ else
+ {
+ int rc;
+ const pcre_uchar *asscode = code + LINK_SIZE + 1;
+ const pcre_uchar *endasscode = asscode + GET(asscode, 1);
+
+ while (*endasscode == OP_ALT) endasscode += GET(endasscode, 1);
+
+ rc = internal_dfa_exec(
+ md, /* fixed match data */
+ asscode, /* this subexpression's code */
+ ptr, /* where we currently are */
+ (int)(ptr - start_subject), /* start offset */
+ local_offsets, /* offset vector */
+ sizeof(local_offsets)/sizeof(int), /* size of same */
+ local_workspace, /* workspace vector */
+ sizeof(local_workspace)/sizeof(int), /* size of same */
+ rlevel); /* function recursion level */
+
+ if (rc == PCRE_ERROR_DFA_UITEM) return rc;
+ if ((rc >= 0) ==
+ (condcode == OP_ASSERT || condcode == OP_ASSERTBACK))
+ { ADD_ACTIVE((int)(endasscode + LINK_SIZE + 1 - start_code), 0); }
+ else
+ { ADD_ACTIVE(state_offset + codelink + LINK_SIZE + 1, 0); }
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_RECURSE:
+ {
+ dfa_recursion_info *ri;
+ int local_offsets[1000];
+ int local_workspace[1000];
+ const pcre_uchar *callpat = start_code + GET(code, 1);
+ int recno = (callpat == md->start_code)? 0 :
+ GET2(callpat, 1 + LINK_SIZE);
+ int rc;
+
+ DPRINTF(("%.*sStarting regex recursion\n", rlevel*2-2, SP));
+
+ /* Check for repeating a recursion without advancing the subject
+ pointer. This should catch convoluted mutual recursions. (Some simple
+ cases are caught at compile time.) */
+
+ for (ri = md->recursive; ri != NULL; ri = ri->prevrec)
+ if (recno == ri->group_num && ptr == ri->subject_position)
+ return PCRE_ERROR_RECURSELOOP;
+
+ /* Remember this recursion and where we started it so as to
+ catch infinite loops. */
+
+ new_recursive.group_num = recno;
+ new_recursive.subject_position = ptr;
+ new_recursive.prevrec = md->recursive;
+ md->recursive = &new_recursive;
+
+ rc = internal_dfa_exec(
+ md, /* fixed match data */
+ callpat, /* this subexpression's code */
+ ptr, /* where we currently are */
+ (int)(ptr - start_subject), /* start offset */
+ local_offsets, /* offset vector */
+ sizeof(local_offsets)/sizeof(int), /* size of same */
+ local_workspace, /* workspace vector */
+ sizeof(local_workspace)/sizeof(int), /* size of same */
+ rlevel); /* function recursion level */
+
+ md->recursive = new_recursive.prevrec; /* Done this recursion */
+
+ DPRINTF(("%.*sReturn from regex recursion: rc=%d\n", rlevel*2-2, SP,
+ rc));
+
+ /* Ran out of internal offsets */
+
+ if (rc == 0) return PCRE_ERROR_DFA_RECURSE;
+
+ /* For each successful matched substring, set up the next state with a
+ count of characters to skip before trying it. Note that the count is in
+ characters, not bytes. */
+
+ if (rc > 0)
+ {
+ for (rc = rc*2 - 2; rc >= 0; rc -= 2)
+ {
+ int charcount = local_offsets[rc+1] - local_offsets[rc];
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf)
+ {
+ const pcre_uchar *p = start_subject + local_offsets[rc];
+ const pcre_uchar *pp = start_subject + local_offsets[rc+1];
+ while (p < pp) if (NOT_FIRSTCHAR(*p++)) charcount--;
+ }
+#endif
+ if (charcount > 0)
+ {
+ ADD_NEW_DATA(-(state_offset + LINK_SIZE + 1), 0, (charcount - 1));
+ }
+ else
+ {
+ ADD_ACTIVE(state_offset + LINK_SIZE + 1, 0);
+ }
+ }
+ }
+ else if (rc != PCRE_ERROR_NOMATCH) return rc;
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_BRAPOS:
+ case OP_SBRAPOS:
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ case OP_BRAPOSZERO:
+ {
+ int charcount, matched_count;
+ const pcre_uchar *local_ptr = ptr;
+ BOOL allow_zero;
+
+ if (codevalue == OP_BRAPOSZERO)
+ {
+ allow_zero = TRUE;
+ codevalue = *(++code); /* Codevalue will be one of above BRAs */
+ }
+ else allow_zero = FALSE;
+
+ /* Loop to match the subpattern as many times as possible as if it were
+ a complete pattern. */
+
+ for (matched_count = 0;; matched_count++)
+ {
+ int local_offsets[2];
+ int local_workspace[1000];
+
+ int rc = internal_dfa_exec(
+ md, /* fixed match data */
+ code, /* this subexpression's code */
+ local_ptr, /* where we currently are */
+ (int)(ptr - start_subject), /* start offset */
+ local_offsets, /* offset vector */
+ sizeof(local_offsets)/sizeof(int), /* size of same */
+ local_workspace, /* workspace vector */
+ sizeof(local_workspace)/sizeof(int), /* size of same */
+ rlevel); /* function recursion level */
+
+ /* Failed to match */
+
+ if (rc < 0)
+ {
+ if (rc != PCRE_ERROR_NOMATCH) return rc;
+ break;
+ }
+
+ /* Matched: break the loop if zero characters matched. */
+
+ charcount = local_offsets[1] - local_offsets[0];
+ if (charcount == 0) break;
+ local_ptr += charcount; /* Advance temporary position ptr */
+ }
+
+ /* At this point we have matched the subpattern matched_count
+ times, and local_ptr is pointing to the character after the end of the
+ last match. */
+
+ if (matched_count > 0 || allow_zero)
+ {
+ const pcre_uchar *end_subpattern = code;
+ int next_state_offset;
+
+ do { end_subpattern += GET(end_subpattern, 1); }
+ while (*end_subpattern == OP_ALT);
+ next_state_offset =
+ (int)(end_subpattern - start_code + LINK_SIZE + 1);
+
+ /* Optimization: if there are no more active states, and there
+ are no new states yet set up, then skip over the subject string
+ right here, to save looping. Otherwise, set up the new state to swing
+ into action when the end of the matched substring is reached. */
+
+ if (i + 1 >= active_count && new_count == 0)
+ {
+ ptr = local_ptr;
+ clen = 0;
+ ADD_NEW(next_state_offset, 0);
+ }
+ else
+ {
+ const pcre_uchar *p = ptr;
+ const pcre_uchar *pp = local_ptr;
+ charcount = (int)(pp - p);
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf) while (p < pp) if (NOT_FIRSTCHAR(*p++)) charcount--;
+#endif
+ ADD_NEW_DATA(-next_state_offset, 0, (charcount - 1));
+ }
+ }
+ }
+ break;
+
+ /*-----------------------------------------------------------------*/
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ {
+ int local_offsets[2];
+ int local_workspace[1000];
+
+ int rc = internal_dfa_exec(
+ md, /* fixed match data */
+ code, /* this subexpression's code */
+ ptr, /* where we currently are */
+ (int)(ptr - start_subject), /* start offset */
+ local_offsets, /* offset vector */
+ sizeof(local_offsets)/sizeof(int), /* size of same */
+ local_workspace, /* workspace vector */
+ sizeof(local_workspace)/sizeof(int), /* size of same */
+ rlevel); /* function recursion level */
+
+ if (rc >= 0)
+ {
+ const pcre_uchar *end_subpattern = code;
+ int charcount = local_offsets[1] - local_offsets[0];
+ int next_state_offset, repeat_state_offset;
+
+ do { end_subpattern += GET(end_subpattern, 1); }
+ while (*end_subpattern == OP_ALT);
+ next_state_offset =
+ (int)(end_subpattern - start_code + LINK_SIZE + 1);
+
+ /* If the end of this subpattern is KETRMAX or KETRMIN, we must
+ arrange for the repeat state also to be added to the relevant list.
+ Calculate the offset, or set -1 for no repeat. */
+
+ repeat_state_offset = (*end_subpattern == OP_KETRMAX ||
+ *end_subpattern == OP_KETRMIN)?
+ (int)(end_subpattern - start_code - GET(end_subpattern, 1)) : -1;
+
+ /* If we have matched an empty string, add the next state at the
+ current character pointer. This is important so that the duplicate
+ checking kicks in, which is what breaks infinite loops that match an
+ empty string. */
+
+ if (charcount == 0)
+ {
+ ADD_ACTIVE(next_state_offset, 0);
+ }
+
+ /* Optimization: if there are no more active states, and there
+ are no new states yet set up, then skip over the subject string
+ right here, to save looping. Otherwise, set up the new state to swing
+ into action when the end of the matched substring is reached. */
+
+ else if (i + 1 >= active_count && new_count == 0)
+ {
+ ptr += charcount;
+ clen = 0;
+ ADD_NEW(next_state_offset, 0);
+
+ /* If we are adding a repeat state at the new character position,
+ we must fudge things so that it is the only current state.
+ Otherwise, it might be a duplicate of one we processed before, and
+ that would cause it to be skipped. */
+
+ if (repeat_state_offset >= 0)
+ {
+ next_active_state = active_states;
+ active_count = 0;
+ i = -1;
+ ADD_ACTIVE(repeat_state_offset, 0);
+ }
+ }
+ else
+ {
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (utf)
+ {
+ const pcre_uchar *p = start_subject + local_offsets[0];
+ const pcre_uchar *pp = start_subject + local_offsets[1];
+ while (p < pp) if (NOT_FIRSTCHAR(*p++)) charcount--;
+ }
+#endif
+ ADD_NEW_DATA(-next_state_offset, 0, (charcount - 1));
+ if (repeat_state_offset >= 0)
+ { ADD_NEW_DATA(-repeat_state_offset, 0, (charcount - 1)); }
+ }
+ }
+ else if (rc != PCRE_ERROR_NOMATCH) return rc;
+ }
+ break;
+
+
+/* ========================================================================== */
+ /* Handle callouts */
+
+ case OP_CALLOUT:
+ rrc = 0;
+ if (PUBL(callout) != NULL)
+ {
+ PUBL(callout_block) cb;
+ cb.version = 1; /* Version 1 of the callout block */
+ cb.callout_number = code[1];
+ cb.offset_vector = offsets;
+#if defined COMPILE_PCRE8
+ cb.subject = (PCRE_SPTR)start_subject;
+#elif defined COMPILE_PCRE16
+ cb.subject = (PCRE_SPTR16)start_subject;
+#elif defined COMPILE_PCRE32
+ cb.subject = (PCRE_SPTR32)start_subject;
+#endif
+ cb.subject_length = (int)(end_subject - start_subject);
+ cb.start_match = (int)(current_subject - start_subject);
+ cb.current_position = (int)(ptr - start_subject);
+ cb.pattern_position = GET(code, 2);
+ cb.next_item_length = GET(code, 2 + LINK_SIZE);
+ cb.capture_top = 1;
+ cb.capture_last = -1;
+ cb.callout_data = md->callout_data;
+ cb.mark = NULL; /* No (*MARK) support */
+ if ((rrc = (*PUBL(callout))(&cb)) < 0) return rrc; /* Abandon */
+ }
+ if (rrc == 0)
+ { ADD_ACTIVE(state_offset + PRIV(OP_lengths)[OP_CALLOUT], 0); }
+ break;
+
+
+/* ========================================================================== */
+ default: /* Unsupported opcode */
+ return PCRE_ERROR_DFA_UITEM;
+ }
+
+ NEXT_ACTIVE_STATE: continue;
+
+ } /* End of loop scanning active states */
+
+ /* We have finished the processing at the current subject character. If no
+ new states have been set for the next character, we have found all the
+ matches that we are going to find. If we are at the top level and partial
+ matching has been requested, check for appropriate conditions.
+
+ The "forced_ fail" variable counts the number of (*F) encountered for the
+ character. If it is equal to the original active_count (saved in
+ workspace[1]) it means that (*F) was found on every active state. In this
+ case we don't want to give a partial match.
+
+ The "could_continue" variable is true if a state could have continued but
+ for the fact that the end of the subject was reached. */
+
+ if (new_count <= 0)
+ {
+ if (rlevel == 1 && /* Top level, and */
+ could_continue && /* Some could go on, and */
+ forced_fail != workspace[1] && /* Not all forced fail & */
+ ( /* either... */
+ (md->moptions & PCRE_PARTIAL_HARD) != 0 /* Hard partial */
+ || /* or... */
+ ((md->moptions & PCRE_PARTIAL_SOFT) != 0 && /* Soft partial and */
+ match_count < 0) /* no matches */
+ ) && /* And... */
+ (
+ partial_newline || /* Either partial NL */
+ ( /* or ... */
+ ptr >= end_subject && /* End of subject and */
+ ptr > md->start_used_ptr) /* Inspected non-empty string */
+ )
+ )
+ match_count = PCRE_ERROR_PARTIAL;
+ DPRINTF(("%.*sEnd of internal_dfa_exec %d: returning %d\n"
+ "%.*s---------------------\n\n", rlevel*2-2, SP, rlevel, match_count,
+ rlevel*2-2, SP));
+ break; /* In effect, "return", but see the comment below */
+ }
+
+ /* One or more states are active for the next character. */
+
+ ptr += clen; /* Advance to next subject character */
+ } /* Loop to move along the subject string */
+
+/* Control gets here from "break" a few lines above. We do it this way because
+if we use "return" above, we have compiler trouble. Some compilers warn if
+there's nothing here because they think the function doesn't return a value. On
+the other hand, if we put a dummy statement here, some more clever compilers
+complain that it can't be reached. Sigh. */
+
+return match_count;
+}
+
+
+
+
+/*************************************************
+* Execute a Regular Expression - DFA engine *
+*************************************************/
+
+/* This external function applies a compiled re to a subject string using a DFA
+engine. This function calls the internal function multiple times if the pattern
+is not anchored.
+
+Arguments:
+ argument_re points to the compiled expression
+ extra_data points to extra data or is NULL
+ subject points to the subject string
+ length length of subject string (may contain binary zeros)
+ start_offset where to start in the subject string
+ options option bits
+ offsets vector of match offsets
+ offsetcount size of same
+ workspace workspace vector
+ wscount size of same
+
+Returns: > 0 => number of match offset pairs placed in offsets
+ = 0 => offsets overflowed; longest matches are present
+ -1 => failed to match
+ < -1 => some kind of unexpected problem
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_dfa_exec(const pcre *argument_re, const pcre_extra *extra_data,
+ const char *subject, int length, int start_offset, int options, int *offsets,
+ int offsetcount, int *workspace, int wscount)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_dfa_exec(const pcre16 *argument_re, const pcre16_extra *extra_data,
+ PCRE_SPTR16 subject, int length, int start_offset, int options, int *offsets,
+ int offsetcount, int *workspace, int wscount)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_dfa_exec(const pcre32 *argument_re, const pcre32_extra *extra_data,
+ PCRE_SPTR32 subject, int length, int start_offset, int options, int *offsets,
+ int offsetcount, int *workspace, int wscount)
+#endif
+{
+REAL_PCRE *re = (REAL_PCRE *)argument_re;
+dfa_match_data match_block;
+dfa_match_data *md = &match_block;
+BOOL utf, anchored, startline, firstline;
+const pcre_uchar *current_subject, *end_subject;
+const pcre_study_data *study = NULL;
+
+const pcre_uchar *req_char_ptr;
+const pcre_uint8 *start_bits = NULL;
+BOOL has_first_char = FALSE;
+BOOL has_req_char = FALSE;
+pcre_uchar first_char = 0;
+pcre_uchar first_char2 = 0;
+pcre_uchar req_char = 0;
+pcre_uchar req_char2 = 0;
+int newline;
+
+/* Plausibility checks */
+
+if ((options & ~PUBLIC_DFA_EXEC_OPTIONS) != 0) return PCRE_ERROR_BADOPTION;
+if (re == NULL || subject == NULL || workspace == NULL ||
+ (offsets == NULL && offsetcount > 0)) return PCRE_ERROR_NULL;
+if (offsetcount < 0) return PCRE_ERROR_BADCOUNT;
+if (wscount < 20) return PCRE_ERROR_DFA_WSSIZE;
+if (length < 0) return PCRE_ERROR_BADLENGTH;
+if (start_offset < 0 || start_offset > length) return PCRE_ERROR_BADOFFSET;
+
+/* Check that the first field in the block is the magic number. If it is not,
+return with PCRE_ERROR_BADMAGIC. However, if the magic number is equal to
+REVERSED_MAGIC_NUMBER we return with PCRE_ERROR_BADENDIANNESS, which
+means that the pattern is likely compiled with different endianness. */
+
+if (re->magic_number != MAGIC_NUMBER)
+ return re->magic_number == REVERSED_MAGIC_NUMBER?
+ PCRE_ERROR_BADENDIANNESS:PCRE_ERROR_BADMAGIC;
+if ((re->flags & PCRE_MODE) == 0) return PCRE_ERROR_BADMODE;
+
+/* If restarting after a partial match, do some sanity checks on the contents
+of the workspace. */
+
+if ((options & PCRE_DFA_RESTART) != 0)
+ {
+ if ((workspace[0] & (-2)) != 0 || workspace[1] < 1 ||
+ workspace[1] > (wscount - 2)/INTS_PER_STATEBLOCK)
+ return PCRE_ERROR_DFA_BADRESTART;
+ }
+
+/* Set up study, callout, and table data */
+
+md->tables = re->tables;
+md->callout_data = NULL;
+
+if (extra_data != NULL)
+ {
+ unsigned long int flags = extra_data->flags;
+ if ((flags & PCRE_EXTRA_STUDY_DATA) != 0)
+ study = (const pcre_study_data *)extra_data->study_data;
+ if ((flags & PCRE_EXTRA_MATCH_LIMIT) != 0) return PCRE_ERROR_DFA_UMLIMIT;
+ if ((flags & PCRE_EXTRA_MATCH_LIMIT_RECURSION) != 0)
+ return PCRE_ERROR_DFA_UMLIMIT;
+ if ((flags & PCRE_EXTRA_CALLOUT_DATA) != 0)
+ md->callout_data = extra_data->callout_data;
+ if ((flags & PCRE_EXTRA_TABLES) != 0)
+ md->tables = extra_data->tables;
+ }
+
+/* Set some local values */
+
+current_subject = (const pcre_uchar *)subject + start_offset;
+end_subject = (const pcre_uchar *)subject + length;
+req_char_ptr = current_subject - 1;
+
+#ifdef SUPPORT_UTF
+/* PCRE_UTF(16|32) have the same value as PCRE_UTF8. */
+utf = (re->options & PCRE_UTF8) != 0;
+#else
+utf = FALSE;
+#endif
+
+anchored = (options & (PCRE_ANCHORED|PCRE_DFA_RESTART)) != 0 ||
+ (re->options & PCRE_ANCHORED) != 0;
+
+/* The remaining fixed data for passing around. */
+
+md->start_code = (const pcre_uchar *)argument_re +
+ re->name_table_offset + re->name_count * re->name_entry_size;
+md->start_subject = (const pcre_uchar *)subject;
+md->end_subject = end_subject;
+md->start_offset = start_offset;
+md->moptions = options;
+md->poptions = re->options;
+
+/* If the BSR option is not set at match time, copy what was set
+at compile time. */
+
+if ((md->moptions & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) == 0)
+ {
+ if ((re->options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) != 0)
+ md->moptions |= re->options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE);
+#ifdef BSR_ANYCRLF
+ else md->moptions |= PCRE_BSR_ANYCRLF;
+#endif
+ }
+
+/* Handle different types of newline. The three bits give eight cases. If
+nothing is set at run time, whatever was used at compile time applies. */
+
+switch ((((options & PCRE_NEWLINE_BITS) == 0)? re->options : (pcre_uint32)options) &
+ PCRE_NEWLINE_BITS)
+ {
+ case 0: newline = NEWLINE; break; /* Compile-time default */
+ case PCRE_NEWLINE_CR: newline = CHAR_CR; break;
+ case PCRE_NEWLINE_LF: newline = CHAR_NL; break;
+ case PCRE_NEWLINE_CR+
+ PCRE_NEWLINE_LF: newline = (CHAR_CR << 8) | CHAR_NL; break;
+ case PCRE_NEWLINE_ANY: newline = -1; break;
+ case PCRE_NEWLINE_ANYCRLF: newline = -2; break;
+ default: return PCRE_ERROR_BADNEWLINE;
+ }
+
+if (newline == -2)
+ {
+ md->nltype = NLTYPE_ANYCRLF;
+ }
+else if (newline < 0)
+ {
+ md->nltype = NLTYPE_ANY;
+ }
+else
+ {
+ md->nltype = NLTYPE_FIXED;
+ if (newline > 255)
+ {
+ md->nllen = 2;
+ md->nl[0] = (newline >> 8) & 255;
+ md->nl[1] = newline & 255;
+ }
+ else
+ {
+ md->nllen = 1;
+ md->nl[0] = newline;
+ }
+ }
+
+/* Check a UTF-8 string if required. Unfortunately there's no way of passing
+back the character offset. */
+
+#ifdef SUPPORT_UTF
+if (utf && (options & PCRE_NO_UTF8_CHECK) == 0)
+ {
+ int erroroffset;
+ int errorcode = PRIV(valid_utf)((pcre_uchar *)subject, length, &erroroffset);
+ if (errorcode != 0)
+ {
+ if (offsetcount >= 2)
+ {
+ offsets[0] = erroroffset;
+ offsets[1] = errorcode;
+ }
+#if defined COMPILE_PCRE8
+ return (errorcode <= PCRE_UTF8_ERR5 && (options & PCRE_PARTIAL_HARD) != 0) ?
+ PCRE_ERROR_SHORTUTF8 : PCRE_ERROR_BADUTF8;
+#elif defined COMPILE_PCRE16
+ return (errorcode <= PCRE_UTF16_ERR1 && (options & PCRE_PARTIAL_HARD) != 0) ?
+ PCRE_ERROR_SHORTUTF16 : PCRE_ERROR_BADUTF16;
+#elif defined COMPILE_PCRE32
+ return PCRE_ERROR_BADUTF32;
+#endif
+ }
+#if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
+ if (start_offset > 0 && start_offset < length &&
+ NOT_FIRSTCHAR(((PCRE_PUCHAR)subject)[start_offset]))
+ return PCRE_ERROR_BADUTF8_OFFSET;
+#endif
+ }
+#endif
+
+/* If the exec call supplied NULL for tables, use the inbuilt ones. This
+is a feature that makes it possible to save compiled regex and re-use them
+in other programs later. */
+
+if (md->tables == NULL) md->tables = PRIV(default_tables);
+
+/* The "must be at the start of a line" flags are used in a loop when finding
+where to start. */
+
+startline = (re->flags & PCRE_STARTLINE) != 0;
+firstline = (re->options & PCRE_FIRSTLINE) != 0;
+
+/* Set up the first character to match, if available. The first_byte value is
+never set for an anchored regular expression, but the anchoring may be forced
+at run time, so we have to test for anchoring. The first char may be unset for
+an unanchored pattern, of course. If there's no first char and the pattern was
+studied, there may be a bitmap of possible first characters. */
+
+if (!anchored)
+ {
+ if ((re->flags & PCRE_FIRSTSET) != 0)
+ {
+ has_first_char = TRUE;
+ first_char = first_char2 = (pcre_uchar)(re->first_char);
+ if ((re->flags & PCRE_FCH_CASELESS) != 0)
+ {
+ first_char2 = TABLE_GET(first_char, md->tables + fcc_offset, first_char);
+#if defined SUPPORT_UCP && !(defined COMPILE_PCRE8)
+ if (utf && first_char > 127)
+ first_char2 = UCD_OTHERCASE(first_char);
+#endif
+ }
+ }
+ else
+ {
+ if (!startline && study != NULL &&
+ (study->flags & PCRE_STUDY_MAPPED) != 0)
+ start_bits = study->start_bits;
+ }
+ }
+
+/* For anchored or unanchored matches, there may be a "last known required
+character" set. */
+
+if ((re->flags & PCRE_REQCHSET) != 0)
+ {
+ has_req_char = TRUE;
+ req_char = req_char2 = (pcre_uchar)(re->req_char);
+ if ((re->flags & PCRE_RCH_CASELESS) != 0)
+ {
+ req_char2 = TABLE_GET(req_char, md->tables + fcc_offset, req_char);
+#if defined SUPPORT_UCP && !(defined COMPILE_PCRE8)
+ if (utf && req_char > 127)
+ req_char2 = UCD_OTHERCASE(req_char);
+#endif
+ }
+ }
+
+/* Call the main matching function, looping for a non-anchored regex after a
+failed match. If not restarting, perform certain optimizations at the start of
+a match. */
+
+for (;;)
+ {
+ int rc;
+
+ if ((options & PCRE_DFA_RESTART) == 0)
+ {
+ const pcre_uchar *save_end_subject = end_subject;
+
+ /* If firstline is TRUE, the start of the match is constrained to the first
+ line of a multiline string. Implement this by temporarily adjusting
+ end_subject so that we stop scanning at a newline. If the match fails at
+ the newline, later code breaks this loop. */
+
+ if (firstline)
+ {
+ PCRE_PUCHAR t = current_subject;
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ while (t < md->end_subject && !IS_NEWLINE(t))
+ {
+ t++;
+ ACROSSCHAR(t < end_subject, *t, t++);
+ }
+ }
+ else
+#endif
+ while (t < md->end_subject && !IS_NEWLINE(t)) t++;
+ end_subject = t;
+ }
+
+ /* There are some optimizations that avoid running the match if a known
+ starting point is not found. However, there is an option that disables
+ these, for testing and for ensuring that all callouts do actually occur.
+ The option can be set in the regex by (*NO_START_OPT) or passed in
+ match-time options. */
+
+ if (((options | re->options) & PCRE_NO_START_OPTIMIZE) == 0)
+ {
+ /* Advance to a known first pcre_uchar (i.e. data item) */
+
+ if (has_first_char)
+ {
+ if (first_char != first_char2)
+ {
+ pcre_uchar csc;
+ while (current_subject < end_subject &&
+ (csc = UCHAR21TEST(current_subject)) != first_char && csc != first_char2)
+ current_subject++;
+ }
+ else
+ while (current_subject < end_subject &&
+ UCHAR21TEST(current_subject) != first_char)
+ current_subject++;
+ }
+
+ /* Or to just after a linebreak for a multiline match if possible */
+
+ else if (startline)
+ {
+ if (current_subject > md->start_subject + start_offset)
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ while (current_subject < end_subject &&
+ !WAS_NEWLINE(current_subject))
+ {
+ current_subject++;
+ ACROSSCHAR(current_subject < end_subject, *current_subject,
+ current_subject++);
+ }
+ }
+ else
+#endif
+ while (current_subject < end_subject && !WAS_NEWLINE(current_subject))
+ current_subject++;
+
+ /* If we have just passed a CR and the newline option is ANY or
+ ANYCRLF, and we are now at a LF, advance the match position by one
+ more character. */
+
+ if (UCHAR21TEST(current_subject - 1) == CHAR_CR &&
+ (md->nltype == NLTYPE_ANY || md->nltype == NLTYPE_ANYCRLF) &&
+ current_subject < end_subject &&
+ UCHAR21TEST(current_subject) == CHAR_NL)
+ current_subject++;
+ }
+ }
+
+ /* Advance to a non-unique first pcre_uchar after study */
+
+ else if (start_bits != NULL)
+ {
+ while (current_subject < end_subject)
+ {
+ register pcre_uint32 c = UCHAR21TEST(current_subject);
+#ifndef COMPILE_PCRE8
+ if (c > 255) c = 255;
+#endif
+ if ((start_bits[c/8] & (1 << (c&7))) != 0) break;
+ current_subject++;
+ }
+ }
+ }
+
+ /* Restore fudged end_subject */
+
+ end_subject = save_end_subject;
+
+ /* The following two optimizations are disabled for partial matching or if
+ disabling is explicitly requested (and of course, by the test above, this
+ code is not obeyed when restarting after a partial match). */
+
+ if (((options | re->options) & PCRE_NO_START_OPTIMIZE) == 0 &&
+ (options & (PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT)) == 0)
+ {
+ /* If the pattern was studied, a minimum subject length may be set. This
+ is a lower bound; no actual string of that length may actually match the
+ pattern. Although the value is, strictly, in characters, we treat it as
+ in pcre_uchar units to avoid spending too much time in this optimization.
+ */
+
+ if (study != NULL && (study->flags & PCRE_STUDY_MINLEN) != 0 &&
+ (pcre_uint32)(end_subject - current_subject) < study->minlength)
+ return PCRE_ERROR_NOMATCH;
+
+ /* If req_char is set, we know that that pcre_uchar must appear in the
+ subject for the match to succeed. If the first pcre_uchar is set,
+ req_char must be later in the subject; otherwise the test starts at the
+ match point. This optimization can save a huge amount of work in patterns
+ with nested unlimited repeats that aren't going to match. Writing
+ separate code for cased/caseless versions makes it go faster, as does
+ using an autoincrement and backing off on a match.
+
+ HOWEVER: when the subject string is very, very long, searching to its end
+ can take a long time, and give bad performance on quite ordinary
+ patterns. This showed up when somebody was matching /^C/ on a 32-megabyte
+ string... so we don't do this when the string is sufficiently long. */
+
+ if (has_req_char && end_subject - current_subject < REQ_BYTE_MAX)
+ {
+ register PCRE_PUCHAR p = current_subject + (has_first_char? 1:0);
+
+ /* We don't need to repeat the search if we haven't yet reached the
+ place we found it at last time. */
+
+ if (p > req_char_ptr)
+ {
+ if (req_char != req_char2)
+ {
+ while (p < end_subject)
+ {
+ register pcre_uint32 pp = UCHAR21INCTEST(p);
+ if (pp == req_char || pp == req_char2) { p--; break; }
+ }
+ }
+ else
+ {
+ while (p < end_subject)
+ {
+ if (UCHAR21INCTEST(p) == req_char) { p--; break; }
+ }
+ }
+
+ /* If we can't find the required pcre_uchar, break the matching loop,
+ which will cause a return or PCRE_ERROR_NOMATCH. */
+
+ if (p >= end_subject) break;
+
+ /* If we have found the required pcre_uchar, save the point where we
+ found it, so that we don't search again next time round the loop if
+ the start hasn't passed this point yet. */
+
+ req_char_ptr = p;
+ }
+ }
+ }
+ } /* End of optimizations that are done when not restarting */
+
+ /* OK, now we can do the business */
+
+ md->start_used_ptr = current_subject;
+ md->recursive = NULL;
+
+ rc = internal_dfa_exec(
+ md, /* fixed match data */
+ md->start_code, /* this subexpression's code */
+ current_subject, /* where we currently are */
+ start_offset, /* start offset in subject */
+ offsets, /* offset vector */
+ offsetcount, /* size of same */
+ workspace, /* workspace vector */
+ wscount, /* size of same */
+ 0); /* function recurse level */
+
+ /* Anything other than "no match" means we are done, always; otherwise, carry
+ on only if not anchored. */
+
+ if (rc != PCRE_ERROR_NOMATCH || anchored)
+ {
+ if (rc == PCRE_ERROR_PARTIAL && offsetcount >= 2)
+ {
+ offsets[0] = (int)(md->start_used_ptr - (PCRE_PUCHAR)subject);
+ offsets[1] = (int)(end_subject - (PCRE_PUCHAR)subject);
+ if (offsetcount > 2)
+ offsets[2] = (int)(current_subject - (PCRE_PUCHAR)subject);
+ }
+ return rc;
+ }
+
+ /* Advance to the next subject character unless we are at the end of a line
+ and firstline is set. */
+
+ if (firstline && IS_NEWLINE(current_subject)) break;
+ current_subject++;
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ ACROSSCHAR(current_subject < end_subject, *current_subject,
+ current_subject++);
+ }
+#endif
+ if (current_subject > end_subject) break;
+
+ /* If we have just passed a CR and we are now at a LF, and the pattern does
+ not contain any explicit matches for \r or \n, and the newline option is CRLF
+ or ANY or ANYCRLF, advance the match position by one more character. */
+
+ if (UCHAR21TEST(current_subject - 1) == CHAR_CR &&
+ current_subject < end_subject &&
+ UCHAR21TEST(current_subject) == CHAR_NL &&
+ (re->flags & PCRE_HASCRORLF) == 0 &&
+ (md->nltype == NLTYPE_ANY ||
+ md->nltype == NLTYPE_ANYCRLF ||
+ md->nllen == 2))
+ current_subject++;
+
+ } /* "Bumpalong" loop */
+
+return PCRE_ERROR_NOMATCH;
+}
+
+/* End of pcre_dfa_exec.c */
diff --git a/deps/pcre/pcre_exec.c b/deps/pcre/pcre_exec.c
new file mode 100644
index 0000000..3fd58cb
--- /dev/null
+++ b/deps/pcre/pcre_exec.c
@@ -0,0 +1,7173 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2018 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+/* This module contains pcre_exec(), the externally visible function that does
+pattern matching using an NFA algorithm, trying to mimic Perl as closely as
+possible. There are also some static supporting functions. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define NLBLOCK md /* Block containing newline information */
+#define PSSTART start_subject /* Field containing processed string start */
+#define PSEND end_subject /* Field containing processed string end */
+
+#include "pcre_internal.h"
+
+/* Undefine some potentially clashing cpp symbols */
+
+#undef min
+#undef max
+
+/* The md->capture_last field uses the lower 16 bits for the last captured
+substring (which can never be greater than 65535) and a bit in the top half
+to mean "capture vector overflowed". This odd way of doing things was
+implemented when it was realized that preserving and restoring the overflow bit
+whenever the last capture number was saved/restored made for a neater
+interface, and doing it this way saved on (a) another variable, which would
+have increased the stack frame size (a big NO-NO in PCRE) and (b) another
+separate set of save/restore instructions. The following defines are used in
+implementing this. */
+
+#define CAPLMASK 0x0000ffff /* The bits used for last_capture */
+#define OVFLMASK 0xffff0000 /* The bits used for the overflow flag */
+#define OVFLBIT 0x00010000 /* The bit that is set for overflow */
+
+/* Values for setting in md->match_function_type to indicate two special types
+of call to match(). We do it this way to save on using another stack variable,
+as stack usage is to be discouraged. */
+
+#define MATCH_CONDASSERT 1 /* Called to check a condition assertion */
+#define MATCH_CBEGROUP 2 /* Could-be-empty unlimited repeat group */
+
+/* Non-error returns from the match() function. Error returns are externally
+defined PCRE_ERROR_xxx codes, which are all negative. */
+
+#define MATCH_MATCH 1
+#define MATCH_NOMATCH 0
+
+/* Special internal returns from the match() function. Make them sufficiently
+negative to avoid the external error codes. */
+
+#define MATCH_ACCEPT (-999)
+#define MATCH_KETRPOS (-998)
+#define MATCH_ONCE (-997)
+/* The next 5 must be kept together and in sequence so that a test that checks
+for any one of them can use a range. */
+#define MATCH_COMMIT (-996)
+#define MATCH_PRUNE (-995)
+#define MATCH_SKIP (-994)
+#define MATCH_SKIP_ARG (-993)
+#define MATCH_THEN (-992)
+#define MATCH_BACKTRACK_MAX MATCH_THEN
+#define MATCH_BACKTRACK_MIN MATCH_COMMIT
+
+/* Maximum number of ints of offset to save on the stack for recursive calls.
+If the offset vector is bigger, malloc is used. This should be a multiple of 3,
+because the offset vector is always a multiple of 3 long. */
+
+#define REC_STACK_SAVE_MAX 30
+
+/* Min and max values for the common repeats; for the maxima, 0 => infinity */
+
+static const char rep_min[] = { 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, };
+static const char rep_max[] = { 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, };
+
+#ifdef PCRE_DEBUG
+/*************************************************
+* Debugging function to print chars *
+*************************************************/
+
+/* Print a sequence of chars in printable format, stopping at the end of the
+subject if the requested.
+
+Arguments:
+ p points to characters
+ length number to print
+ is_subject TRUE if printing from within md->start_subject
+ md pointer to matching data block, if is_subject is TRUE
+
+Returns: nothing
+*/
+
+static void
+pchars(const pcre_uchar *p, int length, BOOL is_subject, match_data *md)
+{
+pcre_uint32 c;
+BOOL utf = md->utf;
+if (is_subject && length > md->end_subject - p) length = md->end_subject - p;
+while (length-- > 0)
+ if (isprint(c = UCHAR21INCTEST(p))) printf("%c", (char)c); else printf("\\x{%02x}", c);
+}
+#endif
+
+
+
+/*************************************************
+* Match a back-reference *
+*************************************************/
+
+/* Normally, if a back reference hasn't been set, the length that is passed is
+negative, so the match always fails. However, in JavaScript compatibility mode,
+the length passed is zero. Note that in caseless UTF-8 mode, the number of
+subject bytes matched may be different to the number of reference bytes.
+
+Arguments:
+ offset index into the offset vector
+ eptr pointer into the subject
+ length length of reference to be matched (number of bytes)
+ md points to match data block
+ caseless TRUE if caseless
+
+Returns: >= 0 the number of subject bytes matched
+ -1 no match
+ -2 partial match; always given if at end subject
+*/
+
+static int
+match_ref(int offset, register PCRE_PUCHAR eptr, int length, match_data *md,
+ BOOL caseless)
+{
+PCRE_PUCHAR eptr_start = eptr;
+register PCRE_PUCHAR p = md->start_subject + md->offset_vector[offset];
+#if defined SUPPORT_UTF && defined SUPPORT_UCP
+BOOL utf = md->utf;
+#endif
+
+#ifdef PCRE_DEBUG
+if (eptr >= md->end_subject)
+ printf("matching subject <null>");
+else
+ {
+ printf("matching subject ");
+ pchars(eptr, length, TRUE, md);
+ }
+printf(" against backref ");
+pchars(p, length, FALSE, md);
+printf("\n");
+#endif
+
+/* Always fail if reference not set (and not JavaScript compatible - in that
+case the length is passed as zero). */
+
+if (length < 0) return -1;
+
+/* Separate the caseless case for speed. In UTF-8 mode we can only do this
+properly if Unicode properties are supported. Otherwise, we can check only
+ASCII characters. */
+
+if (caseless)
+ {
+#if defined SUPPORT_UTF && defined SUPPORT_UCP
+ if (utf)
+ {
+ /* Match characters up to the end of the reference. NOTE: the number of
+ data units matched may differ, because in UTF-8 there are some characters
+ whose upper and lower case versions code have different numbers of bytes.
+ For example, U+023A (2 bytes in UTF-8) is the upper case version of U+2C65
+ (3 bytes in UTF-8); a sequence of 3 of the former uses 6 bytes, as does a
+ sequence of two of the latter. It is important, therefore, to check the
+ length along the reference, not along the subject (earlier code did this
+ wrong). */
+
+ PCRE_PUCHAR endptr = p + length;
+ while (p < endptr)
+ {
+ pcre_uint32 c, d;
+ const ucd_record *ur;
+ if (eptr >= md->end_subject) return -2; /* Partial match */
+ GETCHARINC(c, eptr);
+ GETCHARINC(d, p);
+ ur = GET_UCD(d);
+ if (c != d && c != d + ur->other_case)
+ {
+ const pcre_uint32 *pp = PRIV(ucd_caseless_sets) + ur->caseset;
+ for (;;)
+ {
+ if (c < *pp) return -1;
+ if (c == *pp++) break;
+ }
+ }
+ }
+ }
+ else
+#endif
+
+ /* The same code works when not in UTF-8 mode and in UTF-8 mode when there
+ is no UCP support. */
+ {
+ while (length-- > 0)
+ {
+ pcre_uint32 cc, cp;
+ if (eptr >= md->end_subject) return -2; /* Partial match */
+ cc = UCHAR21TEST(eptr);
+ cp = UCHAR21TEST(p);
+ if (TABLE_GET(cp, md->lcc, cp) != TABLE_GET(cc, md->lcc, cc)) return -1;
+ p++;
+ eptr++;
+ }
+ }
+ }
+
+/* In the caseful case, we can just compare the bytes, whether or not we
+are in UTF-8 mode. */
+
+else
+ {
+ while (length-- > 0)
+ {
+ if (eptr >= md->end_subject) return -2; /* Partial match */
+ if (UCHAR21INCTEST(p) != UCHAR21INCTEST(eptr)) return -1;
+ }
+ }
+
+return (int)(eptr - eptr_start);
+}
+
+
+
+/***************************************************************************
+****************************************************************************
+ RECURSION IN THE match() FUNCTION
+
+The match() function is highly recursive, though not every recursive call
+increases the recursive depth. Nevertheless, some regular expressions can cause
+it to recurse to a great depth. I was writing for Unix, so I just let it call
+itself recursively. This uses the stack for saving everything that has to be
+saved for a recursive call. On Unix, the stack can be large, and this works
+fine.
+
+It turns out that on some non-Unix-like systems there are problems with
+programs that use a lot of stack. (This despite the fact that every last chip
+has oodles of memory these days, and techniques for extending the stack have
+been known for decades.) So....
+
+There is a fudge, triggered by defining NO_RECURSE, which avoids recursive
+calls by keeping local variables that need to be preserved in blocks of memory
+obtained from malloc() instead instead of on the stack. Macros are used to
+achieve this so that the actual code doesn't look very different to what it
+always used to.
+
+The original heap-recursive code used longjmp(). However, it seems that this
+can be very slow on some operating systems. Following a suggestion from Stan
+Switzer, the use of longjmp() has been abolished, at the cost of having to
+provide a unique number for each call to RMATCH. There is no way of generating
+a sequence of numbers at compile time in C. I have given them names, to make
+them stand out more clearly.
+
+Crude tests on x86 Linux show a small speedup of around 5-8%. However, on
+FreeBSD, avoiding longjmp() more than halves the time taken to run the standard
+tests. Furthermore, not using longjmp() means that local dynamic variables
+don't have indeterminate values; this has meant that the frame size can be
+reduced because the result can be "passed back" by straight setting of the
+variable instead of being passed in the frame.
+****************************************************************************
+***************************************************************************/
+
+/* Numbers for RMATCH calls. When this list is changed, the code at HEAP_RETURN
+below must be updated in sync. */
+
+enum { RM1=1, RM2, RM3, RM4, RM5, RM6, RM7, RM8, RM9, RM10,
+ RM11, RM12, RM13, RM14, RM15, RM16, RM17, RM18, RM19, RM20,
+ RM21, RM22, RM23, RM24, RM25, RM26, RM27, RM28, RM29, RM30,
+ RM31, RM32, RM33, RM34, RM35, RM36, RM37, RM38, RM39, RM40,
+ RM41, RM42, RM43, RM44, RM45, RM46, RM47, RM48, RM49, RM50,
+ RM51, RM52, RM53, RM54, RM55, RM56, RM57, RM58, RM59, RM60,
+ RM61, RM62, RM63, RM64, RM65, RM66, RM67 };
+
+/* These versions of the macros use the stack, as normal. There are debugging
+versions and production versions. Note that the "rw" argument of RMATCH isn't
+actually used in this definition. */
+
+#ifndef NO_RECURSE
+#define REGISTER register
+
+#ifdef PCRE_DEBUG
+#define RMATCH(ra,rb,rc,rd,re,rw) \
+ { \
+ printf("match() called in line %d\n", __LINE__); \
+ rrc = match(ra,rb,mstart,rc,rd,re,rdepth+1); \
+ printf("to line %d\n", __LINE__); \
+ }
+#define RRETURN(ra) \
+ { \
+ printf("match() returned %d from line %d\n", ra, __LINE__); \
+ return ra; \
+ }
+#else
+#define RMATCH(ra,rb,rc,rd,re,rw) \
+ rrc = match(ra,rb,mstart,rc,rd,re,rdepth+1)
+#define RRETURN(ra) return ra
+#endif
+
+#else
+
+
+/* These versions of the macros manage a private stack on the heap. Note that
+the "rd" argument of RMATCH isn't actually used in this definition. It's the md
+argument of match(), which never changes. */
+
+#define REGISTER
+
+#define RMATCH(ra,rb,rc,rd,re,rw)\
+ {\
+ heapframe *newframe = frame->Xnextframe;\
+ if (newframe == NULL)\
+ {\
+ newframe = (heapframe *)(PUBL(stack_malloc))(sizeof(heapframe));\
+ if (newframe == NULL) RRETURN(PCRE_ERROR_NOMEMORY);\
+ newframe->Xnextframe = NULL;\
+ frame->Xnextframe = newframe;\
+ }\
+ frame->Xwhere = rw;\
+ newframe->Xeptr = ra;\
+ newframe->Xecode = rb;\
+ newframe->Xmstart = mstart;\
+ newframe->Xoffset_top = rc;\
+ newframe->Xeptrb = re;\
+ newframe->Xrdepth = frame->Xrdepth + 1;\
+ newframe->Xprevframe = frame;\
+ frame = newframe;\
+ DPRINTF(("restarting from line %d\n", __LINE__));\
+ goto HEAP_RECURSE;\
+ L_##rw:\
+ DPRINTF(("jumped back to line %d\n", __LINE__));\
+ }
+
+#define RRETURN(ra)\
+ {\
+ heapframe *oldframe = frame;\
+ frame = oldframe->Xprevframe;\
+ if (frame != NULL)\
+ {\
+ rrc = ra;\
+ goto HEAP_RETURN;\
+ }\
+ return ra;\
+ }
+
+
+/* Structure for remembering the local variables in a private frame */
+
+typedef struct heapframe {
+ struct heapframe *Xprevframe;
+ struct heapframe *Xnextframe;
+
+ /* Function arguments that may change */
+
+ PCRE_PUCHAR Xeptr;
+ const pcre_uchar *Xecode;
+ PCRE_PUCHAR Xmstart;
+ int Xoffset_top;
+ eptrblock *Xeptrb;
+ unsigned int Xrdepth;
+
+ /* Function local variables */
+
+ PCRE_PUCHAR Xcallpat;
+#ifdef SUPPORT_UTF
+ PCRE_PUCHAR Xcharptr;
+#endif
+ PCRE_PUCHAR Xdata;
+ PCRE_PUCHAR Xnext;
+ PCRE_PUCHAR Xpp;
+ PCRE_PUCHAR Xprev;
+ PCRE_PUCHAR Xsaved_eptr;
+
+ recursion_info Xnew_recursive;
+
+ BOOL Xcur_is_word;
+ BOOL Xcondition;
+ BOOL Xprev_is_word;
+
+#ifdef SUPPORT_UCP
+ int Xprop_type;
+ unsigned int Xprop_value;
+ int Xprop_fail_result;
+ int Xoclength;
+ pcre_uchar Xocchars[6];
+#endif
+
+ int Xcodelink;
+ int Xctype;
+ unsigned int Xfc;
+ int Xfi;
+ int Xlength;
+ int Xmax;
+ int Xmin;
+ unsigned int Xnumber;
+ int Xoffset;
+ unsigned int Xop;
+ pcre_int32 Xsave_capture_last;
+ int Xsave_offset1, Xsave_offset2, Xsave_offset3;
+ int Xstacksave[REC_STACK_SAVE_MAX];
+
+ eptrblock Xnewptrb;
+
+ /* Where to jump back to */
+
+ int Xwhere;
+
+} heapframe;
+
+#endif
+
+
+/***************************************************************************
+***************************************************************************/
+
+
+
+/*************************************************
+* Match from current position *
+*************************************************/
+
+/* This function is called recursively in many circumstances. Whenever it
+returns a negative (error) response, the outer incarnation must also return the
+same response. */
+
+/* These macros pack up tests that are used for partial matching, and which
+appear several times in the code. We set the "hit end" flag if the pointer is
+at the end of the subject and also past the start of the subject (i.e.
+something has been matched). For hard partial matching, we then return
+immediately. The second one is used when we already know we are past the end of
+the subject. */
+
+#define CHECK_PARTIAL()\
+ if (md->partial != 0 && eptr >= md->end_subject && \
+ eptr > md->start_used_ptr) \
+ { \
+ md->hitend = TRUE; \
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL); \
+ }
+
+#define SCHECK_PARTIAL()\
+ if (md->partial != 0 && eptr > md->start_used_ptr) \
+ { \
+ md->hitend = TRUE; \
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL); \
+ }
+
+
+/* Performance note: It might be tempting to extract commonly used fields from
+the md structure (e.g. utf, end_subject) into individual variables to improve
+performance. Tests using gcc on a SPARC disproved this; in the first case, it
+made performance worse.
+
+Arguments:
+ eptr pointer to current character in subject
+ ecode pointer to current position in compiled code
+ mstart pointer to the current match start position (can be modified
+ by encountering \K)
+ offset_top current top pointer
+ md pointer to "static" info for the match
+ eptrb pointer to chain of blocks containing eptr at start of
+ brackets - for testing for empty matches
+ rdepth the recursion depth
+
+Returns: MATCH_MATCH if matched ) these values are >= 0
+ MATCH_NOMATCH if failed to match )
+ a negative MATCH_xxx value for PRUNE, SKIP, etc
+ a negative PCRE_ERROR_xxx value if aborted by an error condition
+ (e.g. stopped by repeated call or recursion limit)
+*/
+
+static int
+match(REGISTER PCRE_PUCHAR eptr, REGISTER const pcre_uchar *ecode,
+ PCRE_PUCHAR mstart, int offset_top, match_data *md, eptrblock *eptrb,
+ unsigned int rdepth)
+{
+/* These variables do not need to be preserved over recursion in this function,
+so they can be ordinary variables in all cases. Mark some of them with
+"register" because they are used a lot in loops. */
+
+register int rrc; /* Returns from recursive calls */
+register int i; /* Used for loops not involving calls to RMATCH() */
+register pcre_uint32 c; /* Character values not kept over RMATCH() calls */
+register BOOL utf; /* Local copy of UTF flag for speed */
+
+BOOL minimize, possessive; /* Quantifier options */
+BOOL caseless;
+int condcode;
+
+/* When recursion is not being used, all "local" variables that have to be
+preserved over calls to RMATCH() are part of a "frame". We set up the top-level
+frame on the stack here; subsequent instantiations are obtained from the heap
+whenever RMATCH() does a "recursion". See the macro definitions above. Putting
+the top-level on the stack rather than malloc-ing them all gives a performance
+boost in many cases where there is not much "recursion". */
+
+#ifdef NO_RECURSE
+heapframe *frame = (heapframe *)md->match_frames_base;
+
+/* Copy in the original argument variables */
+
+frame->Xeptr = eptr;
+frame->Xecode = ecode;
+frame->Xmstart = mstart;
+frame->Xoffset_top = offset_top;
+frame->Xeptrb = eptrb;
+frame->Xrdepth = rdepth;
+
+/* This is where control jumps back to to effect "recursion" */
+
+HEAP_RECURSE:
+
+/* Macros make the argument variables come from the current frame */
+
+#define eptr frame->Xeptr
+#define ecode frame->Xecode
+#define mstart frame->Xmstart
+#define offset_top frame->Xoffset_top
+#define eptrb frame->Xeptrb
+#define rdepth frame->Xrdepth
+
+/* Ditto for the local variables */
+
+#ifdef SUPPORT_UTF
+#define charptr frame->Xcharptr
+#endif
+#define callpat frame->Xcallpat
+#define codelink frame->Xcodelink
+#define data frame->Xdata
+#define next frame->Xnext
+#define pp frame->Xpp
+#define prev frame->Xprev
+#define saved_eptr frame->Xsaved_eptr
+
+#define new_recursive frame->Xnew_recursive
+
+#define cur_is_word frame->Xcur_is_word
+#define condition frame->Xcondition
+#define prev_is_word frame->Xprev_is_word
+
+#ifdef SUPPORT_UCP
+#define prop_type frame->Xprop_type
+#define prop_value frame->Xprop_value
+#define prop_fail_result frame->Xprop_fail_result
+#define oclength frame->Xoclength
+#define occhars frame->Xocchars
+#endif
+
+#define ctype frame->Xctype
+#define fc frame->Xfc
+#define fi frame->Xfi
+#define length frame->Xlength
+#define max frame->Xmax
+#define min frame->Xmin
+#define number frame->Xnumber
+#define offset frame->Xoffset
+#define op frame->Xop
+#define save_capture_last frame->Xsave_capture_last
+#define save_offset1 frame->Xsave_offset1
+#define save_offset2 frame->Xsave_offset2
+#define save_offset3 frame->Xsave_offset3
+#define stacksave frame->Xstacksave
+
+#define newptrb frame->Xnewptrb
+
+/* When recursion is being used, local variables are allocated on the stack and
+get preserved during recursion in the normal way. In this environment, fi and
+i, and fc and c, can be the same variables. */
+
+#else /* NO_RECURSE not defined */
+#define fi i
+#define fc c
+
+/* Many of the following variables are used only in small blocks of the code.
+My normal style of coding would have declared them within each of those blocks.
+However, in order to accommodate the version of this code that uses an external
+"stack" implemented on the heap, it is easier to declare them all here, so the
+declarations can be cut out in a block. The only declarations within blocks
+below are for variables that do not have to be preserved over a recursive call
+to RMATCH(). */
+
+#ifdef SUPPORT_UTF
+const pcre_uchar *charptr;
+#endif
+const pcre_uchar *callpat;
+const pcre_uchar *data;
+const pcre_uchar *next;
+PCRE_PUCHAR pp;
+const pcre_uchar *prev;
+PCRE_PUCHAR saved_eptr;
+
+recursion_info new_recursive;
+
+BOOL cur_is_word;
+BOOL condition;
+BOOL prev_is_word;
+
+#ifdef SUPPORT_UCP
+int prop_type;
+unsigned int prop_value;
+int prop_fail_result;
+int oclength;
+pcre_uchar occhars[6];
+#endif
+
+int codelink;
+int ctype;
+int length;
+int max;
+int min;
+unsigned int number;
+int offset;
+unsigned int op;
+pcre_int32 save_capture_last;
+int save_offset1, save_offset2, save_offset3;
+int stacksave[REC_STACK_SAVE_MAX];
+
+eptrblock newptrb;
+
+/* There is a special fudge for calling match() in a way that causes it to
+measure the size of its basic stack frame when the stack is being used for
+recursion. The second argument (ecode) being NULL triggers this behaviour. It
+cannot normally ever be NULL. The return is the negated value of the frame
+size. */
+
+if (ecode == NULL)
+ {
+ if (rdepth == 0)
+ return match((PCRE_PUCHAR)&rdepth, NULL, NULL, 0, NULL, NULL, 1);
+ else
+ {
+ int len = (int)((char *)&rdepth - (char *)eptr);
+ return (len > 0)? -len : len;
+ }
+ }
+#endif /* NO_RECURSE */
+
+/* To save space on the stack and in the heap frame, I have doubled up on some
+of the local variables that are used only in localised parts of the code, but
+still need to be preserved over recursive calls of match(). These macros define
+the alternative names that are used. */
+
+#define allow_zero cur_is_word
+#define cbegroup condition
+#define code_offset codelink
+#define condassert condition
+#define matched_once prev_is_word
+#define foc number
+#define save_mark data
+
+/* These statements are here to stop the compiler complaining about unitialized
+variables. */
+
+#ifdef SUPPORT_UCP
+prop_value = 0;
+prop_fail_result = 0;
+#endif
+
+
+/* This label is used for tail recursion, which is used in a few cases even
+when NO_RECURSE is not defined, in order to reduce the amount of stack that is
+used. Thanks to Ian Taylor for noticing this possibility and sending the
+original patch. */
+
+TAIL_RECURSE:
+
+/* OK, now we can get on with the real code of the function. Recursive calls
+are specified by the macro RMATCH and RRETURN is used to return. When
+NO_RECURSE is *not* defined, these just turn into a recursive call to match()
+and a "return", respectively (possibly with some debugging if PCRE_DEBUG is
+defined). However, RMATCH isn't like a function call because it's quite a
+complicated macro. It has to be used in one particular way. This shouldn't,
+however, impact performance when true recursion is being used. */
+
+#ifdef SUPPORT_UTF
+utf = md->utf; /* Local copy of the flag */
+#else
+utf = FALSE;
+#endif
+
+/* First check that we haven't called match() too many times, or that we
+haven't exceeded the recursive call limit. */
+
+if (md->match_call_count++ >= md->match_limit) RRETURN(PCRE_ERROR_MATCHLIMIT);
+if (rdepth >= md->match_limit_recursion) RRETURN(PCRE_ERROR_RECURSIONLIMIT);
+
+/* At the start of a group with an unlimited repeat that may match an empty
+string, the variable md->match_function_type is set to MATCH_CBEGROUP. It is
+done this way to save having to use another function argument, which would take
+up space on the stack. See also MATCH_CONDASSERT below.
+
+When MATCH_CBEGROUP is set, add the current subject pointer to the chain of
+such remembered pointers, to be checked when we hit the closing ket, in order
+to break infinite loops that match no characters. When match() is called in
+other circumstances, don't add to the chain. The MATCH_CBEGROUP feature must
+NOT be used with tail recursion, because the memory block that is used is on
+the stack, so a new one may be required for each match(). */
+
+if (md->match_function_type == MATCH_CBEGROUP)
+ {
+ newptrb.epb_saved_eptr = eptr;
+ newptrb.epb_prev = eptrb;
+ eptrb = &newptrb;
+ md->match_function_type = 0;
+ }
+
+/* Now start processing the opcodes. */
+
+for (;;)
+ {
+ minimize = possessive = FALSE;
+ op = *ecode;
+
+ switch(op)
+ {
+ case OP_MARK:
+ md->nomatch_mark = ecode + 2;
+ md->mark = NULL; /* In case previously set by assertion */
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode] + ecode[1], offset_top, md,
+ eptrb, RM55);
+ if ((rrc == MATCH_MATCH || rrc == MATCH_ACCEPT) &&
+ md->mark == NULL) md->mark = ecode + 2;
+
+ /* A return of MATCH_SKIP_ARG means that matching failed at SKIP with an
+ argument, and we must check whether that argument matches this MARK's
+ argument. It is passed back in md->start_match_ptr (an overloading of that
+ variable). If it does match, we reset that variable to the current subject
+ position and return MATCH_SKIP. Otherwise, pass back the return code
+ unaltered. */
+
+ else if (rrc == MATCH_SKIP_ARG &&
+ STRCMP_UC_UC_TEST(ecode + 2, md->start_match_ptr) == 0)
+ {
+ md->start_match_ptr = eptr;
+ RRETURN(MATCH_SKIP);
+ }
+ RRETURN(rrc);
+
+ case OP_FAIL:
+ RRETURN(MATCH_NOMATCH);
+
+ case OP_COMMIT:
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md,
+ eptrb, RM52);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ RRETURN(MATCH_COMMIT);
+
+ case OP_PRUNE:
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md,
+ eptrb, RM51);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ RRETURN(MATCH_PRUNE);
+
+ case OP_PRUNE_ARG:
+ md->nomatch_mark = ecode + 2;
+ md->mark = NULL; /* In case previously set by assertion */
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode] + ecode[1], offset_top, md,
+ eptrb, RM56);
+ if ((rrc == MATCH_MATCH || rrc == MATCH_ACCEPT) &&
+ md->mark == NULL) md->mark = ecode + 2;
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ RRETURN(MATCH_PRUNE);
+
+ case OP_SKIP:
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md,
+ eptrb, RM53);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->start_match_ptr = eptr; /* Pass back current position */
+ RRETURN(MATCH_SKIP);
+
+ /* Note that, for Perl compatibility, SKIP with an argument does NOT set
+ nomatch_mark. When a pattern match ends with a SKIP_ARG for which there was
+ not a matching mark, we have to re-run the match, ignoring the SKIP_ARG
+ that failed and any that precede it (either they also failed, or were not
+ triggered). To do this, we maintain a count of executed SKIP_ARGs. If a
+ SKIP_ARG gets to top level, the match is re-run with md->ignore_skip_arg
+ set to the count of the one that failed. */
+
+ case OP_SKIP_ARG:
+ md->skip_arg_count++;
+ if (md->skip_arg_count <= md->ignore_skip_arg)
+ {
+ ecode += PRIV(OP_lengths)[*ecode] + ecode[1];
+ break;
+ }
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode] + ecode[1], offset_top, md,
+ eptrb, RM57);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+
+ /* Pass back the current skip name by overloading md->start_match_ptr and
+ returning the special MATCH_SKIP_ARG return code. This will either be
+ caught by a matching MARK, or get to the top, where it causes a rematch
+ with md->ignore_skip_arg set to the value of md->skip_arg_count. */
+
+ md->start_match_ptr = ecode + 2;
+ RRETURN(MATCH_SKIP_ARG);
+
+ /* For THEN (and THEN_ARG) we pass back the address of the opcode, so that
+ the branch in which it occurs can be determined. Overload the start of
+ match pointer to do this. */
+
+ case OP_THEN:
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md,
+ eptrb, RM54);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->start_match_ptr = ecode;
+ RRETURN(MATCH_THEN);
+
+ case OP_THEN_ARG:
+ md->nomatch_mark = ecode + 2;
+ md->mark = NULL; /* In case previously set by assertion */
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode] + ecode[1], offset_top,
+ md, eptrb, RM58);
+ if ((rrc == MATCH_MATCH || rrc == MATCH_ACCEPT) &&
+ md->mark == NULL) md->mark = ecode + 2;
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->start_match_ptr = ecode;
+ RRETURN(MATCH_THEN);
+
+ /* Handle an atomic group that does not contain any capturing parentheses.
+ This can be handled like an assertion. Prior to 8.13, all atomic groups
+ were handled this way. In 8.13, the code was changed as below for ONCE, so
+ that backups pass through the group and thereby reset captured values.
+ However, this uses a lot more stack, so in 8.20, atomic groups that do not
+ contain any captures generate OP_ONCE_NC, which can be handled in the old,
+ less stack intensive way.
+
+ Check the alternative branches in turn - the matching won't pass the KET
+ for this kind of subpattern. If any one branch matches, we carry on as at
+ the end of a normal bracket, leaving the subject pointer, but resetting
+ the start-of-match value in case it was changed by \K. */
+
+ case OP_ONCE_NC:
+ prev = ecode;
+ saved_eptr = eptr;
+ save_mark = md->mark;
+ do
+ {
+ RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, eptrb, RM64);
+ if (rrc == MATCH_MATCH) /* Note: _not_ MATCH_ACCEPT */
+ {
+ mstart = md->start_match_ptr;
+ break;
+ }
+ if (rrc == MATCH_THEN)
+ {
+ next = ecode + GET(ecode,1);
+ if (md->start_match_ptr < next &&
+ (*ecode == OP_ALT || *next == OP_ALT))
+ rrc = MATCH_NOMATCH;
+ }
+
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ ecode += GET(ecode,1);
+ md->mark = save_mark;
+ }
+ while (*ecode == OP_ALT);
+
+ /* If hit the end of the group (which could be repeated), fail */
+
+ if (*ecode != OP_ONCE_NC && *ecode != OP_ALT) RRETURN(MATCH_NOMATCH);
+
+ /* Continue as from after the group, updating the offsets high water
+ mark, since extracts may have been taken. */
+
+ do ecode += GET(ecode, 1); while (*ecode == OP_ALT);
+
+ offset_top = md->end_offset_top;
+ eptr = md->end_match_ptr;
+
+ /* For a non-repeating ket, just continue at this level. This also
+ happens for a repeating ket if no characters were matched in the group.
+ This is the forcible breaking of infinite loops as implemented in Perl
+ 5.005. */
+
+ if (*ecode == OP_KET || eptr == saved_eptr)
+ {
+ ecode += 1+LINK_SIZE;
+ break;
+ }
+
+ /* The repeating kets try the rest of the pattern or restart from the
+ preceding bracket, in the appropriate order. The second "call" of match()
+ uses tail recursion, to avoid using another stack frame. */
+
+ if (*ecode == OP_KETRMIN)
+ {
+ RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, eptrb, RM65);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ ecode = prev;
+ goto TAIL_RECURSE;
+ }
+ else /* OP_KETRMAX */
+ {
+ RMATCH(eptr, prev, offset_top, md, eptrb, RM66);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ ecode += 1 + LINK_SIZE;
+ goto TAIL_RECURSE;
+ }
+ /* Control never gets here */
+
+ /* Handle a capturing bracket, other than those that are possessive with an
+ unlimited repeat. If there is space in the offset vector, save the current
+ subject position in the working slot at the top of the vector. We mustn't
+ change the current values of the data slot, because they may be set from a
+ previous iteration of this group, and be referred to by a reference inside
+ the group. A failure to match might occur after the group has succeeded,
+ if something later on doesn't match. For this reason, we need to restore
+ the working value and also the values of the final offsets, in case they
+ were set by a previous iteration of the same bracket.
+
+ If there isn't enough space in the offset vector, treat this as if it were
+ a non-capturing bracket. Don't worry about setting the flag for the error
+ case here; that is handled in the code for KET. */
+
+ case OP_CBRA:
+ case OP_SCBRA:
+ number = GET2(ecode, 1+LINK_SIZE);
+ offset = number << 1;
+
+#ifdef PCRE_DEBUG
+ printf("start bracket %d\n", number);
+ printf("subject=");
+ pchars(eptr, 16, TRUE, md);
+ printf("\n");
+#endif
+
+ if (offset < md->offset_max)
+ {
+ save_offset1 = md->offset_vector[offset];
+ save_offset2 = md->offset_vector[offset+1];
+ save_offset3 = md->offset_vector[md->offset_end - number];
+ save_capture_last = md->capture_last;
+ save_mark = md->mark;
+
+ DPRINTF(("saving %d %d %d\n", save_offset1, save_offset2, save_offset3));
+ md->offset_vector[md->offset_end - number] =
+ (int)(eptr - md->start_subject);
+
+ for (;;)
+ {
+ if (op >= OP_SBRA) md->match_function_type = MATCH_CBEGROUP;
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md,
+ eptrb, RM1);
+ if (rrc == MATCH_ONCE) break; /* Backing up through an atomic group */
+
+ /* If we backed up to a THEN, check whether it is within the current
+ branch by comparing the address of the THEN that is passed back with
+ the end of the branch. If it is within the current branch, and the
+ branch is one of two or more alternatives (it either starts or ends
+ with OP_ALT), we have reached the limit of THEN's action, so convert
+ the return code to NOMATCH, which will cause normal backtracking to
+ happen from now on. Otherwise, THEN is passed back to an outer
+ alternative. This implements Perl's treatment of parenthesized groups,
+ where a group not containing | does not affect the current alternative,
+ that is, (X) is NOT the same as (X|(*F)). */
+
+ if (rrc == MATCH_THEN)
+ {
+ next = ecode + GET(ecode,1);
+ if (md->start_match_ptr < next &&
+ (*ecode == OP_ALT || *next == OP_ALT))
+ rrc = MATCH_NOMATCH;
+ }
+
+ /* Anything other than NOMATCH is passed back. */
+
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->capture_last = save_capture_last;
+ ecode += GET(ecode, 1);
+ md->mark = save_mark;
+ if (*ecode != OP_ALT) break;
+ }
+
+ DPRINTF(("bracket %d failed\n", number));
+ md->offset_vector[offset] = save_offset1;
+ md->offset_vector[offset+1] = save_offset2;
+ md->offset_vector[md->offset_end - number] = save_offset3;
+
+ /* At this point, rrc will be one of MATCH_ONCE or MATCH_NOMATCH. */
+
+ RRETURN(rrc);
+ }
+
+ /* FALL THROUGH ... Insufficient room for saving captured contents. Treat
+ as a non-capturing bracket. */
+
+ /* VVVVVVVVVVVVVVVVVVVVVVVVV */
+ /* VVVVVVVVVVVVVVVVVVVVVVVVV */
+
+ DPRINTF(("insufficient capture room: treat as non-capturing\n"));
+
+ /* VVVVVVVVVVVVVVVVVVVVVVVVV */
+ /* VVVVVVVVVVVVVVVVVVVVVVVVV */
+
+ /* Non-capturing or atomic group, except for possessive with unlimited
+ repeat and ONCE group with no captures. Loop for all the alternatives.
+
+ When we get to the final alternative within the brackets, we used to return
+ the result of a recursive call to match() whatever happened so it was
+ possible to reduce stack usage by turning this into a tail recursion,
+ except in the case of a possibly empty group. However, now that there is
+ the possiblity of (*THEN) occurring in the final alternative, this
+ optimization is no longer always possible.
+
+ We can optimize if we know there are no (*THEN)s in the pattern; at present
+ this is the best that can be done.
+
+ MATCH_ONCE is returned when the end of an atomic group is successfully
+ reached, but subsequent matching fails. It passes back up the tree (causing
+ captured values to be reset) until the original atomic group level is
+ reached. This is tested by comparing md->once_target with the start of the
+ group. At this point, the return is converted into MATCH_NOMATCH so that
+ previous backup points can be taken. */
+
+ case OP_ONCE:
+ case OP_BRA:
+ case OP_SBRA:
+ DPRINTF(("start non-capturing bracket\n"));
+
+ for (;;)
+ {
+ if (op >= OP_SBRA || op == OP_ONCE)
+ md->match_function_type = MATCH_CBEGROUP;
+
+ /* If this is not a possibly empty group, and there are no (*THEN)s in
+ the pattern, and this is the final alternative, optimize as described
+ above. */
+
+ else if (!md->hasthen && ecode[GET(ecode, 1)] != OP_ALT)
+ {
+ ecode += PRIV(OP_lengths)[*ecode];
+ goto TAIL_RECURSE;
+ }
+
+ /* In all other cases, we have to make another call to match(). */
+
+ save_mark = md->mark;
+ save_capture_last = md->capture_last;
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md, eptrb,
+ RM2);
+
+ /* See comment in the code for capturing groups above about handling
+ THEN. */
+
+ if (rrc == MATCH_THEN)
+ {
+ next = ecode + GET(ecode,1);
+ if (md->start_match_ptr < next &&
+ (*ecode == OP_ALT || *next == OP_ALT))
+ rrc = MATCH_NOMATCH;
+ }
+
+ if (rrc != MATCH_NOMATCH)
+ {
+ if (rrc == MATCH_ONCE)
+ {
+ const pcre_uchar *scode = ecode;
+ if (*scode != OP_ONCE) /* If not at start, find it */
+ {
+ while (*scode == OP_ALT) scode += GET(scode, 1);
+ scode -= GET(scode, 1);
+ }
+ if (md->once_target == scode) rrc = MATCH_NOMATCH;
+ }
+ RRETURN(rrc);
+ }
+ ecode += GET(ecode, 1);
+ md->mark = save_mark;
+ if (*ecode != OP_ALT) break;
+ md->capture_last = save_capture_last;
+ }
+
+ RRETURN(MATCH_NOMATCH);
+
+ /* Handle possessive capturing brackets with an unlimited repeat. We come
+ here from BRAZERO with allow_zero set TRUE. The offset_vector values are
+ handled similarly to the normal case above. However, the matching is
+ different. The end of these brackets will always be OP_KETRPOS, which
+ returns MATCH_KETRPOS without going further in the pattern. By this means
+ we can handle the group by iteration rather than recursion, thereby
+ reducing the amount of stack needed. */
+
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ allow_zero = FALSE;
+
+ POSSESSIVE_CAPTURE:
+ number = GET2(ecode, 1+LINK_SIZE);
+ offset = number << 1;
+
+#ifdef PCRE_DEBUG
+ printf("start possessive bracket %d\n", number);
+ printf("subject=");
+ pchars(eptr, 16, TRUE, md);
+ printf("\n");
+#endif
+
+ if (offset >= md->offset_max) goto POSSESSIVE_NON_CAPTURE;
+
+ matched_once = FALSE;
+ code_offset = (int)(ecode - md->start_code);
+
+ save_offset1 = md->offset_vector[offset];
+ save_offset2 = md->offset_vector[offset+1];
+ save_offset3 = md->offset_vector[md->offset_end - number];
+ save_capture_last = md->capture_last;
+
+ DPRINTF(("saving %d %d %d\n", save_offset1, save_offset2, save_offset3));
+
+ /* Each time round the loop, save the current subject position for use
+ when the group matches. For MATCH_MATCH, the group has matched, so we
+ restart it with a new subject starting position, remembering that we had
+ at least one match. For MATCH_NOMATCH, carry on with the alternatives, as
+ usual. If we haven't matched any alternatives in any iteration, check to
+ see if a previous iteration matched. If so, the group has matched;
+ continue from afterwards. Otherwise it has failed; restore the previous
+ capture values before returning NOMATCH. */
+
+ for (;;)
+ {
+ md->offset_vector[md->offset_end - number] =
+ (int)(eptr - md->start_subject);
+ if (op >= OP_SBRA) md->match_function_type = MATCH_CBEGROUP;
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md,
+ eptrb, RM63);
+ if (rrc == MATCH_KETRPOS)
+ {
+ offset_top = md->end_offset_top;
+ ecode = md->start_code + code_offset;
+ save_capture_last = md->capture_last;
+ matched_once = TRUE;
+ mstart = md->start_match_ptr; /* In case \K changed it */
+ if (eptr == md->end_match_ptr) /* Matched an empty string */
+ {
+ do ecode += GET(ecode, 1); while (*ecode == OP_ALT);
+ break;
+ }
+ eptr = md->end_match_ptr;
+ continue;
+ }
+
+ /* See comment in the code for capturing groups above about handling
+ THEN. */
+
+ if (rrc == MATCH_THEN)
+ {
+ next = ecode + GET(ecode,1);
+ if (md->start_match_ptr < next &&
+ (*ecode == OP_ALT || *next == OP_ALT))
+ rrc = MATCH_NOMATCH;
+ }
+
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->capture_last = save_capture_last;
+ ecode += GET(ecode, 1);
+ if (*ecode != OP_ALT) break;
+ }
+
+ if (!matched_once)
+ {
+ md->offset_vector[offset] = save_offset1;
+ md->offset_vector[offset+1] = save_offset2;
+ md->offset_vector[md->offset_end - number] = save_offset3;
+ }
+
+ if (allow_zero || matched_once)
+ {
+ ecode += 1 + LINK_SIZE;
+ break;
+ }
+
+ RRETURN(MATCH_NOMATCH);
+
+ /* Non-capturing possessive bracket with unlimited repeat. We come here
+ from BRAZERO with allow_zero = TRUE. The code is similar to the above,
+ without the capturing complication. It is written out separately for speed
+ and cleanliness. */
+
+ case OP_BRAPOS:
+ case OP_SBRAPOS:
+ allow_zero = FALSE;
+
+ POSSESSIVE_NON_CAPTURE:
+ matched_once = FALSE;
+ code_offset = (int)(ecode - md->start_code);
+ save_capture_last = md->capture_last;
+
+ for (;;)
+ {
+ if (op >= OP_SBRA) md->match_function_type = MATCH_CBEGROUP;
+ RMATCH(eptr, ecode + PRIV(OP_lengths)[*ecode], offset_top, md,
+ eptrb, RM48);
+ if (rrc == MATCH_KETRPOS)
+ {
+ offset_top = md->end_offset_top;
+ ecode = md->start_code + code_offset;
+ matched_once = TRUE;
+ mstart = md->start_match_ptr; /* In case \K reset it */
+ if (eptr == md->end_match_ptr) /* Matched an empty string */
+ {
+ do ecode += GET(ecode, 1); while (*ecode == OP_ALT);
+ break;
+ }
+ eptr = md->end_match_ptr;
+ continue;
+ }
+
+ /* See comment in the code for capturing groups above about handling
+ THEN. */
+
+ if (rrc == MATCH_THEN)
+ {
+ next = ecode + GET(ecode,1);
+ if (md->start_match_ptr < next &&
+ (*ecode == OP_ALT || *next == OP_ALT))
+ rrc = MATCH_NOMATCH;
+ }
+
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ ecode += GET(ecode, 1);
+ if (*ecode != OP_ALT) break;
+ md->capture_last = save_capture_last;
+ }
+
+ if (matched_once || allow_zero)
+ {
+ ecode += 1 + LINK_SIZE;
+ break;
+ }
+ RRETURN(MATCH_NOMATCH);
+
+ /* Control never reaches here. */
+
+ /* Conditional group: compilation checked that there are no more than two
+ branches. If the condition is false, skipping the first branch takes us
+ past the end of the item if there is only one branch, but that's exactly
+ what we want. */
+
+ case OP_COND:
+ case OP_SCOND:
+
+ /* The variable codelink will be added to ecode when the condition is
+ false, to get to the second branch. Setting it to the offset to the ALT
+ or KET, then incrementing ecode achieves this effect. We now have ecode
+ pointing to the condition or callout. */
+
+ codelink = GET(ecode, 1); /* Offset to the second branch */
+ ecode += 1 + LINK_SIZE; /* From this opcode */
+
+ /* Because of the way auto-callout works during compile, a callout item is
+ inserted between OP_COND and an assertion condition. */
+
+ if (*ecode == OP_CALLOUT)
+ {
+ if (PUBL(callout) != NULL)
+ {
+ PUBL(callout_block) cb;
+ cb.version = 2; /* Version 1 of the callout block */
+ cb.callout_number = ecode[1];
+ cb.offset_vector = md->offset_vector;
+#if defined COMPILE_PCRE8
+ cb.subject = (PCRE_SPTR)md->start_subject;
+#elif defined COMPILE_PCRE16
+ cb.subject = (PCRE_SPTR16)md->start_subject;
+#elif defined COMPILE_PCRE32
+ cb.subject = (PCRE_SPTR32)md->start_subject;
+#endif
+ cb.subject_length = (int)(md->end_subject - md->start_subject);
+ cb.start_match = (int)(mstart - md->start_subject);
+ cb.current_position = (int)(eptr - md->start_subject);
+ cb.pattern_position = GET(ecode, 2);
+ cb.next_item_length = GET(ecode, 2 + LINK_SIZE);
+ cb.capture_top = offset_top/2;
+ cb.capture_last = md->capture_last & CAPLMASK;
+ /* Internal change requires this for API compatibility. */
+ if (cb.capture_last == 0) cb.capture_last = -1;
+ cb.callout_data = md->callout_data;
+ cb.mark = md->nomatch_mark;
+ if ((rrc = (*PUBL(callout))(&cb)) > 0) RRETURN(MATCH_NOMATCH);
+ if (rrc < 0) RRETURN(rrc);
+ }
+
+ /* Advance ecode past the callout, so it now points to the condition. We
+ must adjust codelink so that the value of ecode+codelink is unchanged. */
+
+ ecode += PRIV(OP_lengths)[OP_CALLOUT];
+ codelink -= PRIV(OP_lengths)[OP_CALLOUT];
+ }
+
+ /* Test the various possible conditions */
+
+ condition = FALSE;
+ switch(condcode = *ecode)
+ {
+ case OP_RREF: /* Numbered group recursion test */
+ if (md->recursive != NULL) /* Not recursing => FALSE */
+ {
+ unsigned int recno = GET2(ecode, 1); /* Recursion group number*/
+ condition = (recno == RREF_ANY || recno == md->recursive->group_num);
+ }
+ break;
+
+ case OP_DNRREF: /* Duplicate named group recursion test */
+ if (md->recursive != NULL)
+ {
+ int count = GET2(ecode, 1 + IMM2_SIZE);
+ pcre_uchar *slot = md->name_table + GET2(ecode, 1) * md->name_entry_size;
+ while (count-- > 0)
+ {
+ unsigned int recno = GET2(slot, 0);
+ condition = recno == md->recursive->group_num;
+ if (condition) break;
+ slot += md->name_entry_size;
+ }
+ }
+ break;
+
+ case OP_CREF: /* Numbered group used test */
+ offset = GET2(ecode, 1) << 1; /* Doubled ref number */
+ condition = offset < offset_top && md->offset_vector[offset] >= 0;
+ break;
+
+ case OP_DNCREF: /* Duplicate named group used test */
+ {
+ int count = GET2(ecode, 1 + IMM2_SIZE);
+ pcre_uchar *slot = md->name_table + GET2(ecode, 1) * md->name_entry_size;
+ while (count-- > 0)
+ {
+ offset = GET2(slot, 0) << 1;
+ condition = offset < offset_top && md->offset_vector[offset] >= 0;
+ if (condition) break;
+ slot += md->name_entry_size;
+ }
+ }
+ break;
+
+ case OP_DEF: /* DEFINE - always false */
+ case OP_FAIL: /* From optimized (?!) condition */
+ break;
+
+ /* The condition is an assertion. Call match() to evaluate it - setting
+ md->match_function_type to MATCH_CONDASSERT causes it to stop at the end
+ of an assertion. */
+
+ default:
+ md->match_function_type = MATCH_CONDASSERT;
+ RMATCH(eptr, ecode, offset_top, md, NULL, RM3);
+ if (rrc == MATCH_MATCH)
+ {
+ if (md->end_offset_top > offset_top)
+ offset_top = md->end_offset_top; /* Captures may have happened */
+ condition = TRUE;
+
+ /* Advance ecode past the assertion to the start of the first branch,
+ but adjust it so that the general choosing code below works. If the
+ assertion has a quantifier that allows zero repeats we must skip over
+ the BRAZERO. This is a lunatic thing to do, but somebody did! */
+
+ if (*ecode == OP_BRAZERO) ecode++;
+ ecode += GET(ecode, 1);
+ while (*ecode == OP_ALT) ecode += GET(ecode, 1);
+ ecode += 1 + LINK_SIZE - PRIV(OP_lengths)[condcode];
+ }
+
+ /* PCRE doesn't allow the effect of (*THEN) to escape beyond an
+ assertion; it is therefore treated as NOMATCH. Any other return is an
+ error. */
+
+ else if (rrc != MATCH_NOMATCH && rrc != MATCH_THEN)
+ {
+ RRETURN(rrc); /* Need braces because of following else */
+ }
+ break;
+ }
+
+ /* Choose branch according to the condition */
+
+ ecode += condition? PRIV(OP_lengths)[condcode] : codelink;
+
+ /* We are now at the branch that is to be obeyed. As there is only one, we
+ can use tail recursion to avoid using another stack frame, except when
+ there is unlimited repeat of a possibly empty group. In the latter case, a
+ recursive call to match() is always required, unless the second alternative
+ doesn't exist, in which case we can just plough on. Note that, for
+ compatibility with Perl, the | in a conditional group is NOT treated as
+ creating two alternatives. If a THEN is encountered in the branch, it
+ propagates out to the enclosing alternative (unless nested in a deeper set
+ of alternatives, of course). */
+
+ if (condition || ecode[-(1+LINK_SIZE)] == OP_ALT)
+ {
+ if (op != OP_SCOND)
+ {
+ goto TAIL_RECURSE;
+ }
+
+ md->match_function_type = MATCH_CBEGROUP;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM49);
+ RRETURN(rrc);
+ }
+
+ /* Condition false & no alternative; continue after the group. */
+
+ else
+ {
+ }
+ break;
+
+
+ /* Before OP_ACCEPT there may be any number of OP_CLOSE opcodes,
+ to close any currently open capturing brackets. */
+
+ case OP_CLOSE:
+ number = GET2(ecode, 1); /* Must be less than 65536 */
+ offset = number << 1;
+
+#ifdef PCRE_DEBUG
+ printf("end bracket %d at *ACCEPT", number);
+ printf("\n");
+#endif
+
+ md->capture_last = (md->capture_last & OVFLMASK) | number;
+ if (offset >= md->offset_max) md->capture_last |= OVFLBIT; else
+ {
+ md->offset_vector[offset] =
+ md->offset_vector[md->offset_end - number];
+ md->offset_vector[offset+1] = (int)(eptr - md->start_subject);
+
+ /* If this group is at or above the current highwater mark, ensure that
+ any groups between the current high water mark and this group are marked
+ unset and then update the high water mark. */
+
+ if (offset >= offset_top)
+ {
+ register int *iptr = md->offset_vector + offset_top;
+ register int *iend = md->offset_vector + offset;
+ while (iptr < iend) *iptr++ = -1;
+ offset_top = offset + 2;
+ }
+ }
+ ecode += 1 + IMM2_SIZE;
+ break;
+
+
+ /* End of the pattern, either real or forced. */
+
+ case OP_END:
+ case OP_ACCEPT:
+ case OP_ASSERT_ACCEPT:
+
+ /* If we have matched an empty string, fail if not in an assertion and not
+ in a recursion if either PCRE_NOTEMPTY is set, or if PCRE_NOTEMPTY_ATSTART
+ is set and we have matched at the start of the subject. In both cases,
+ backtracking will then try other alternatives, if any. */
+
+ if (eptr == mstart && op != OP_ASSERT_ACCEPT &&
+ md->recursive == NULL &&
+ (md->notempty ||
+ (md->notempty_atstart &&
+ mstart == md->start_subject + md->start_offset)))
+ RRETURN(MATCH_NOMATCH);
+
+ /* Otherwise, we have a match. */
+
+ md->end_match_ptr = eptr; /* Record where we ended */
+ md->end_offset_top = offset_top; /* and how many extracts were taken */
+ md->start_match_ptr = mstart; /* and the start (\K can modify) */
+
+ /* For some reason, the macros don't work properly if an expression is
+ given as the argument to RRETURN when the heap is in use. */
+
+ rrc = (op == OP_END)? MATCH_MATCH : MATCH_ACCEPT;
+ RRETURN(rrc);
+
+ /* Assertion brackets. Check the alternative branches in turn - the
+ matching won't pass the KET for an assertion. If any one branch matches,
+ the assertion is true. Lookbehind assertions have an OP_REVERSE item at the
+ start of each branch to move the current point backwards, so the code at
+ this level is identical to the lookahead case. When the assertion is part
+ of a condition, we want to return immediately afterwards. The caller of
+ this incarnation of the match() function will have set MATCH_CONDASSERT in
+ md->match_function type, and one of these opcodes will be the first opcode
+ that is processed. We use a local variable that is preserved over calls to
+ match() to remember this case. */
+
+ case OP_ASSERT:
+ case OP_ASSERTBACK:
+ save_mark = md->mark;
+ if (md->match_function_type == MATCH_CONDASSERT)
+ {
+ condassert = TRUE;
+ md->match_function_type = 0;
+ }
+ else condassert = FALSE;
+
+ /* Loop for each branch */
+
+ do
+ {
+ RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, NULL, RM4);
+
+ /* A match means that the assertion is true; break out of the loop
+ that matches its alternatives. */
+
+ if (rrc == MATCH_MATCH || rrc == MATCH_ACCEPT)
+ {
+ mstart = md->start_match_ptr; /* In case \K reset it */
+ break;
+ }
+
+ /* If not matched, restore the previous mark setting. */
+
+ md->mark = save_mark;
+
+ /* See comment in the code for capturing groups above about handling
+ THEN. */
+
+ if (rrc == MATCH_THEN)
+ {
+ next = ecode + GET(ecode,1);
+ if (md->start_match_ptr < next &&
+ (*ecode == OP_ALT || *next == OP_ALT))
+ rrc = MATCH_NOMATCH;
+ }
+
+ /* Anything other than NOMATCH causes the entire assertion to fail,
+ passing back the return code. This includes COMMIT, SKIP, PRUNE and an
+ uncaptured THEN, which means they take their normal effect. This
+ consistent approach does not always have exactly the same effect as in
+ Perl. */
+
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ ecode += GET(ecode, 1);
+ }
+ while (*ecode == OP_ALT); /* Continue for next alternative */
+
+ /* If we have tried all the alternative branches, the assertion has
+ failed. If not, we broke out after a match. */
+
+ if (*ecode == OP_KET) RRETURN(MATCH_NOMATCH);
+
+ /* If checking an assertion for a condition, return MATCH_MATCH. */
+
+ if (condassert) RRETURN(MATCH_MATCH);
+
+ /* Continue from after a successful assertion, updating the offsets high
+ water mark, since extracts may have been taken during the assertion. */
+
+ do ecode += GET(ecode,1); while (*ecode == OP_ALT);
+ ecode += 1 + LINK_SIZE;
+ offset_top = md->end_offset_top;
+ continue;
+
+ /* Negative assertion: all branches must fail to match for the assertion to
+ succeed. */
+
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK_NOT:
+ save_mark = md->mark;
+ if (md->match_function_type == MATCH_CONDASSERT)
+ {
+ condassert = TRUE;
+ md->match_function_type = 0;
+ }
+ else condassert = FALSE;
+
+ /* Loop for each alternative branch. */
+
+ do
+ {
+ RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, NULL, RM5);
+ md->mark = save_mark; /* Always restore the mark setting */
+
+ switch(rrc)
+ {
+ case MATCH_MATCH: /* A successful match means */
+ case MATCH_ACCEPT: /* the assertion has failed. */
+ RRETURN(MATCH_NOMATCH);
+
+ case MATCH_NOMATCH: /* Carry on with next branch */
+ break;
+
+ /* See comment in the code for capturing groups above about handling
+ THEN. */
+
+ case MATCH_THEN:
+ next = ecode + GET(ecode,1);
+ if (md->start_match_ptr < next &&
+ (*ecode == OP_ALT || *next == OP_ALT))
+ {
+ rrc = MATCH_NOMATCH;
+ break;
+ }
+ /* Otherwise fall through. */
+
+ /* COMMIT, SKIP, PRUNE, and an uncaptured THEN cause the whole
+ assertion to fail to match, without considering any more alternatives.
+ Failing to match means the assertion is true. This is a consistent
+ approach, but does not always have the same effect as in Perl. */
+
+ case MATCH_COMMIT:
+ case MATCH_SKIP:
+ case MATCH_SKIP_ARG:
+ case MATCH_PRUNE:
+ do ecode += GET(ecode,1); while (*ecode == OP_ALT);
+ goto NEG_ASSERT_TRUE; /* Break out of alternation loop */
+
+ /* Anything else is an error */
+
+ default:
+ RRETURN(rrc);
+ }
+
+ /* Continue with next branch */
+
+ ecode += GET(ecode,1);
+ }
+ while (*ecode == OP_ALT);
+
+ /* All branches in the assertion failed to match. */
+
+ NEG_ASSERT_TRUE:
+ if (condassert) RRETURN(MATCH_MATCH); /* Condition assertion */
+ ecode += 1 + LINK_SIZE; /* Continue with current branch */
+ continue;
+
+ /* Move the subject pointer back. This occurs only at the start of
+ each branch of a lookbehind assertion. If we are too close to the start to
+ move back, this match function fails. When working with UTF-8 we move
+ back a number of characters, not bytes. */
+
+ case OP_REVERSE:
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ i = GET(ecode, 1);
+ while (i-- > 0)
+ {
+ eptr--;
+ if (eptr < md->start_subject) RRETURN(MATCH_NOMATCH);
+ BACKCHAR(eptr);
+ }
+ }
+ else
+#endif
+
+ /* No UTF-8 support, or not in UTF-8 mode: count is byte count */
+
+ {
+ eptr -= GET(ecode, 1);
+ if (eptr < md->start_subject) RRETURN(MATCH_NOMATCH);
+ }
+
+ /* Save the earliest consulted character, then skip to next op code */
+
+ if (eptr < md->start_used_ptr) md->start_used_ptr = eptr;
+ ecode += 1 + LINK_SIZE;
+ break;
+
+ /* The callout item calls an external function, if one is provided, passing
+ details of the match so far. This is mainly for debugging, though the
+ function is able to force a failure. */
+
+ case OP_CALLOUT:
+ if (PUBL(callout) != NULL)
+ {
+ PUBL(callout_block) cb;
+ cb.version = 2; /* Version 1 of the callout block */
+ cb.callout_number = ecode[1];
+ cb.offset_vector = md->offset_vector;
+#if defined COMPILE_PCRE8
+ cb.subject = (PCRE_SPTR)md->start_subject;
+#elif defined COMPILE_PCRE16
+ cb.subject = (PCRE_SPTR16)md->start_subject;
+#elif defined COMPILE_PCRE32
+ cb.subject = (PCRE_SPTR32)md->start_subject;
+#endif
+ cb.subject_length = (int)(md->end_subject - md->start_subject);
+ cb.start_match = (int)(mstart - md->start_subject);
+ cb.current_position = (int)(eptr - md->start_subject);
+ cb.pattern_position = GET(ecode, 2);
+ cb.next_item_length = GET(ecode, 2 + LINK_SIZE);
+ cb.capture_top = offset_top/2;
+ cb.capture_last = md->capture_last & CAPLMASK;
+ /* Internal change requires this for API compatibility. */
+ if (cb.capture_last == 0) cb.capture_last = -1;
+ cb.callout_data = md->callout_data;
+ cb.mark = md->nomatch_mark;
+ if ((rrc = (*PUBL(callout))(&cb)) > 0) RRETURN(MATCH_NOMATCH);
+ if (rrc < 0) RRETURN(rrc);
+ }
+ ecode += 2 + 2*LINK_SIZE;
+ break;
+
+ /* Recursion either matches the current regex, or some subexpression. The
+ offset data is the offset to the starting bracket from the start of the
+ whole pattern. (This is so that it works from duplicated subpatterns.)
+
+ The state of the capturing groups is preserved over recursion, and
+ re-instated afterwards. We don't know how many are started and not yet
+ finished (offset_top records the completed total) so we just have to save
+ all the potential data. There may be up to 65535 such values, which is too
+ large to put on the stack, but using malloc for small numbers seems
+ expensive. As a compromise, the stack is used when there are no more than
+ REC_STACK_SAVE_MAX values to store; otherwise malloc is used.
+
+ There are also other values that have to be saved. We use a chained
+ sequence of blocks that actually live on the stack. Thanks to Robin Houston
+ for the original version of this logic. It has, however, been hacked around
+ a lot, so he is not to blame for the current way it works. */
+
+ case OP_RECURSE:
+ {
+ recursion_info *ri;
+ unsigned int recno;
+
+ callpat = md->start_code + GET(ecode, 1);
+ recno = (callpat == md->start_code)? 0 :
+ GET2(callpat, 1 + LINK_SIZE);
+
+ /* Check for repeating a recursion without advancing the subject pointer.
+ This should catch convoluted mutual recursions. (Some simple cases are
+ caught at compile time.) */
+
+ for (ri = md->recursive; ri != NULL; ri = ri->prevrec)
+ if (recno == ri->group_num && eptr == ri->subject_position)
+ RRETURN(PCRE_ERROR_RECURSELOOP);
+
+ /* Add to "recursing stack" */
+
+ new_recursive.group_num = recno;
+ new_recursive.saved_capture_last = md->capture_last;
+ new_recursive.subject_position = eptr;
+ new_recursive.prevrec = md->recursive;
+ md->recursive = &new_recursive;
+
+ /* Where to continue from afterwards */
+
+ ecode += 1 + LINK_SIZE;
+
+ /* Now save the offset data */
+
+ new_recursive.saved_max = md->offset_end;
+ if (new_recursive.saved_max <= REC_STACK_SAVE_MAX)
+ new_recursive.offset_save = stacksave;
+ else
+ {
+ new_recursive.offset_save =
+ (int *)(PUBL(malloc))(new_recursive.saved_max * sizeof(int));
+ if (new_recursive.offset_save == NULL) RRETURN(PCRE_ERROR_NOMEMORY);
+ }
+ memcpy(new_recursive.offset_save, md->offset_vector,
+ new_recursive.saved_max * sizeof(int));
+
+ /* OK, now we can do the recursion. After processing each alternative,
+ restore the offset data and the last captured value. If there were nested
+ recursions, md->recursive might be changed, so reset it before looping.
+ */
+
+ DPRINTF(("Recursing into group %d\n", new_recursive.group_num));
+ cbegroup = (*callpat >= OP_SBRA);
+ do
+ {
+ if (cbegroup) md->match_function_type = MATCH_CBEGROUP;
+ RMATCH(eptr, callpat + PRIV(OP_lengths)[*callpat], offset_top,
+ md, eptrb, RM6);
+ memcpy(md->offset_vector, new_recursive.offset_save,
+ new_recursive.saved_max * sizeof(int));
+ md->capture_last = new_recursive.saved_capture_last;
+ md->recursive = new_recursive.prevrec;
+ if (rrc == MATCH_MATCH || rrc == MATCH_ACCEPT)
+ {
+ DPRINTF(("Recursion matched\n"));
+ if (new_recursive.offset_save != stacksave)
+ (PUBL(free))(new_recursive.offset_save);
+
+ /* Set where we got to in the subject, and reset the start in case
+ it was changed by \K. This *is* propagated back out of a recursion,
+ for Perl compatibility. */
+
+ eptr = md->end_match_ptr;
+ mstart = md->start_match_ptr;
+ goto RECURSION_MATCHED; /* Exit loop; end processing */
+ }
+
+ /* PCRE does not allow THEN, SKIP, PRUNE or COMMIT to escape beyond a
+ recursion; they cause a NOMATCH for the entire recursion. These codes
+ are defined in a range that can be tested for. */
+
+ if (rrc >= MATCH_BACKTRACK_MIN && rrc <= MATCH_BACKTRACK_MAX)
+ {
+ if (new_recursive.offset_save != stacksave)
+ (PUBL(free))(new_recursive.offset_save);
+ RRETURN(MATCH_NOMATCH);
+ }
+
+ /* Any return code other than NOMATCH is an error. */
+
+ if (rrc != MATCH_NOMATCH)
+ {
+ DPRINTF(("Recursion gave error %d\n", rrc));
+ if (new_recursive.offset_save != stacksave)
+ (PUBL(free))(new_recursive.offset_save);
+ RRETURN(rrc);
+ }
+
+ md->recursive = &new_recursive;
+ callpat += GET(callpat, 1);
+ }
+ while (*callpat == OP_ALT);
+
+ DPRINTF(("Recursion didn't match\n"));
+ md->recursive = new_recursive.prevrec;
+ if (new_recursive.offset_save != stacksave)
+ (PUBL(free))(new_recursive.offset_save);
+ RRETURN(MATCH_NOMATCH);
+ }
+
+ RECURSION_MATCHED:
+ break;
+
+ /* An alternation is the end of a branch; scan along to find the end of the
+ bracketed group and go to there. */
+
+ case OP_ALT:
+ do ecode += GET(ecode,1); while (*ecode == OP_ALT);
+ break;
+
+ /* BRAZERO, BRAMINZERO and SKIPZERO occur just before a bracket group,
+ indicating that it may occur zero times. It may repeat infinitely, or not
+ at all - i.e. it could be ()* or ()? or even (){0} in the pattern. Brackets
+ with fixed upper repeat limits are compiled as a number of copies, with the
+ optional ones preceded by BRAZERO or BRAMINZERO. */
+
+ case OP_BRAZERO:
+ next = ecode + 1;
+ RMATCH(eptr, next, offset_top, md, eptrb, RM10);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ do next += GET(next, 1); while (*next == OP_ALT);
+ ecode = next + 1 + LINK_SIZE;
+ break;
+
+ case OP_BRAMINZERO:
+ next = ecode + 1;
+ do next += GET(next, 1); while (*next == OP_ALT);
+ RMATCH(eptr, next + 1+LINK_SIZE, offset_top, md, eptrb, RM11);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ ecode++;
+ break;
+
+ case OP_SKIPZERO:
+ next = ecode+1;
+ do next += GET(next,1); while (*next == OP_ALT);
+ ecode = next + 1 + LINK_SIZE;
+ break;
+
+ /* BRAPOSZERO occurs before a possessive bracket group. Don't do anything
+ here; just jump to the group, with allow_zero set TRUE. */
+
+ case OP_BRAPOSZERO:
+ op = *(++ecode);
+ allow_zero = TRUE;
+ if (op == OP_CBRAPOS || op == OP_SCBRAPOS) goto POSSESSIVE_CAPTURE;
+ goto POSSESSIVE_NON_CAPTURE;
+
+ /* End of a group, repeated or non-repeating. */
+
+ case OP_KET:
+ case OP_KETRMIN:
+ case OP_KETRMAX:
+ case OP_KETRPOS:
+ prev = ecode - GET(ecode, 1);
+
+ /* If this was a group that remembered the subject start, in order to break
+ infinite repeats of empty string matches, retrieve the subject start from
+ the chain. Otherwise, set it NULL. */
+
+ if (*prev >= OP_SBRA || *prev == OP_ONCE)
+ {
+ saved_eptr = eptrb->epb_saved_eptr; /* Value at start of group */
+ eptrb = eptrb->epb_prev; /* Backup to previous group */
+ }
+ else saved_eptr = NULL;
+
+ /* If we are at the end of an assertion group or a non-capturing atomic
+ group, stop matching and return MATCH_MATCH, but record the current high
+ water mark for use by positive assertions. We also need to record the match
+ start in case it was changed by \K. */
+
+ if ((*prev >= OP_ASSERT && *prev <= OP_ASSERTBACK_NOT) ||
+ *prev == OP_ONCE_NC)
+ {
+ md->end_match_ptr = eptr; /* For ONCE_NC */
+ md->end_offset_top = offset_top;
+ md->start_match_ptr = mstart;
+ RRETURN(MATCH_MATCH); /* Sets md->mark */
+ }
+
+ /* For capturing groups we have to check the group number back at the start
+ and if necessary complete handling an extraction by setting the offsets and
+ bumping the high water mark. Whole-pattern recursion is coded as a recurse
+ into group 0, so it won't be picked up here. Instead, we catch it when the
+ OP_END is reached. Other recursion is handled here. We just have to record
+ the current subject position and start match pointer and give a MATCH
+ return. */
+
+ if (*prev == OP_CBRA || *prev == OP_SCBRA ||
+ *prev == OP_CBRAPOS || *prev == OP_SCBRAPOS)
+ {
+ number = GET2(prev, 1+LINK_SIZE);
+ offset = number << 1;
+
+#ifdef PCRE_DEBUG
+ printf("end bracket %d", number);
+ printf("\n");
+#endif
+
+ /* Handle a recursively called group. */
+
+ if (md->recursive != NULL && md->recursive->group_num == number)
+ {
+ md->end_match_ptr = eptr;
+ md->start_match_ptr = mstart;
+ RRETURN(MATCH_MATCH);
+ }
+
+ /* Deal with capturing */
+
+ md->capture_last = (md->capture_last & OVFLMASK) | number;
+ if (offset >= md->offset_max) md->capture_last |= OVFLBIT; else
+ {
+ /* If offset is greater than offset_top, it means that we are
+ "skipping" a capturing group, and that group's offsets must be marked
+ unset. In earlier versions of PCRE, all the offsets were unset at the
+ start of matching, but this doesn't work because atomic groups and
+ assertions can cause a value to be set that should later be unset.
+ Example: matching /(?>(a))b|(a)c/ against "ac". This sets group 1 as
+ part of the atomic group, but this is not on the final matching path,
+ so must be unset when 2 is set. (If there is no group 2, there is no
+ problem, because offset_top will then be 2, indicating no capture.) */
+
+ if (offset > offset_top)
+ {
+ register int *iptr = md->offset_vector + offset_top;
+ register int *iend = md->offset_vector + offset;
+ while (iptr < iend) *iptr++ = -1;
+ }
+
+ /* Now make the extraction */
+
+ md->offset_vector[offset] =
+ md->offset_vector[md->offset_end - number];
+ md->offset_vector[offset+1] = (int)(eptr - md->start_subject);
+ if (offset_top <= offset) offset_top = offset + 2;
+ }
+ }
+
+ /* OP_KETRPOS is a possessive repeating ket. Remember the current position,
+ and return the MATCH_KETRPOS. This makes it possible to do the repeats one
+ at a time from the outer level, thus saving stack. This must precede the
+ empty string test - in this case that test is done at the outer level. */
+
+ if (*ecode == OP_KETRPOS)
+ {
+ md->start_match_ptr = mstart; /* In case \K reset it */
+ md->end_match_ptr = eptr;
+ md->end_offset_top = offset_top;
+ RRETURN(MATCH_KETRPOS);
+ }
+
+ /* For an ordinary non-repeating ket, just continue at this level. This
+ also happens for a repeating ket if no characters were matched in the
+ group. This is the forcible breaking of infinite loops as implemented in
+ Perl 5.005. For a non-repeating atomic group that includes captures,
+ establish a backup point by processing the rest of the pattern at a lower
+ level. If this results in a NOMATCH return, pass MATCH_ONCE back to the
+ original OP_ONCE level, thereby bypassing intermediate backup points, but
+ resetting any captures that happened along the way. */
+
+ if (*ecode == OP_KET || eptr == saved_eptr)
+ {
+ if (*prev == OP_ONCE)
+ {
+ RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, eptrb, RM12);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->once_target = prev; /* Level at which to change to MATCH_NOMATCH */
+ RRETURN(MATCH_ONCE);
+ }
+ ecode += 1 + LINK_SIZE; /* Carry on at this level */
+ break;
+ }
+
+ /* The normal repeating kets try the rest of the pattern or restart from
+ the preceding bracket, in the appropriate order. In the second case, we can
+ use tail recursion to avoid using another stack frame, unless we have an
+ an atomic group or an unlimited repeat of a group that can match an empty
+ string. */
+
+ if (*ecode == OP_KETRMIN)
+ {
+ RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, eptrb, RM7);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (*prev == OP_ONCE)
+ {
+ RMATCH(eptr, prev, offset_top, md, eptrb, RM8);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->once_target = prev; /* Level at which to change to MATCH_NOMATCH */
+ RRETURN(MATCH_ONCE);
+ }
+ if (*prev >= OP_SBRA) /* Could match an empty string */
+ {
+ RMATCH(eptr, prev, offset_top, md, eptrb, RM50);
+ RRETURN(rrc);
+ }
+ ecode = prev;
+ goto TAIL_RECURSE;
+ }
+ else /* OP_KETRMAX */
+ {
+ RMATCH(eptr, prev, offset_top, md, eptrb, RM13);
+ if (rrc == MATCH_ONCE && md->once_target == prev) rrc = MATCH_NOMATCH;
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (*prev == OP_ONCE)
+ {
+ RMATCH(eptr, ecode + 1 + LINK_SIZE, offset_top, md, eptrb, RM9);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ md->once_target = prev;
+ RRETURN(MATCH_ONCE);
+ }
+ ecode += 1 + LINK_SIZE;
+ goto TAIL_RECURSE;
+ }
+ /* Control never gets here */
+
+ /* Not multiline mode: start of subject assertion, unless notbol. */
+
+ case OP_CIRC:
+ if (md->notbol && eptr == md->start_subject) RRETURN(MATCH_NOMATCH);
+
+ /* Start of subject assertion */
+
+ case OP_SOD:
+ if (eptr != md->start_subject) RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ /* Multiline mode: start of subject unless notbol, or after any newline. */
+
+ case OP_CIRCM:
+ if (md->notbol && eptr == md->start_subject) RRETURN(MATCH_NOMATCH);
+ if (eptr != md->start_subject &&
+ (eptr == md->end_subject || !WAS_NEWLINE(eptr)))
+ RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ /* Start of match assertion */
+
+ case OP_SOM:
+ if (eptr != md->start_subject + md->start_offset) RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ /* Reset the start of match point */
+
+ case OP_SET_SOM:
+ mstart = eptr;
+ ecode++;
+ break;
+
+ /* Multiline mode: assert before any newline, or before end of subject
+ unless noteol is set. */
+
+ case OP_DOLLM:
+ if (eptr < md->end_subject)
+ {
+ if (!IS_NEWLINE(eptr))
+ {
+ if (md->partial != 0 &&
+ eptr + 1 >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ UCHAR21TEST(eptr) == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+ {
+ if (md->noteol) RRETURN(MATCH_NOMATCH);
+ SCHECK_PARTIAL();
+ }
+ ecode++;
+ break;
+
+ /* Not multiline mode: assert before a terminating newline or before end of
+ subject unless noteol is set. */
+
+ case OP_DOLL:
+ if (md->noteol) RRETURN(MATCH_NOMATCH);
+ if (!md->endonly) goto ASSERT_NL_OR_EOS;
+
+ /* ... else fall through for endonly */
+
+ /* End of subject assertion (\z) */
+
+ case OP_EOD:
+ if (eptr < md->end_subject) RRETURN(MATCH_NOMATCH);
+ SCHECK_PARTIAL();
+ ecode++;
+ break;
+
+ /* End of subject or ending \n assertion (\Z) */
+
+ case OP_EODN:
+ ASSERT_NL_OR_EOS:
+ if (eptr < md->end_subject &&
+ (!IS_NEWLINE(eptr) || eptr != md->end_subject - md->nllen))
+ {
+ if (md->partial != 0 &&
+ eptr + 1 >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ UCHAR21TEST(eptr) == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ RRETURN(MATCH_NOMATCH);
+ }
+
+ /* Either at end of string or \n before end. */
+
+ SCHECK_PARTIAL();
+ ecode++;
+ break;
+
+ /* Word boundary assertions */
+
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ {
+
+ /* Find out if the previous and current characters are "word" characters.
+ It takes a bit more work in UTF-8 mode. Characters > 255 are assumed to
+ be "non-word" characters. Remember the earliest consulted character for
+ partial matching. */
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ /* Get status of previous character */
+
+ if (eptr == md->start_subject) prev_is_word = FALSE; else
+ {
+ PCRE_PUCHAR lastptr = eptr - 1;
+ BACKCHAR(lastptr);
+ if (lastptr < md->start_used_ptr) md->start_used_ptr = lastptr;
+ GETCHAR(c, lastptr);
+#ifdef SUPPORT_UCP
+ if (md->use_ucp)
+ {
+ if (c == '_') prev_is_word = TRUE; else
+ {
+ int cat = UCD_CATEGORY(c);
+ prev_is_word = (cat == ucp_L || cat == ucp_N);
+ }
+ }
+ else
+#endif
+ prev_is_word = c < 256 && (md->ctypes[c] & ctype_word) != 0;
+ }
+
+ /* Get status of next character */
+
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ cur_is_word = FALSE;
+ }
+ else
+ {
+ GETCHAR(c, eptr);
+#ifdef SUPPORT_UCP
+ if (md->use_ucp)
+ {
+ if (c == '_') cur_is_word = TRUE; else
+ {
+ int cat = UCD_CATEGORY(c);
+ cur_is_word = (cat == ucp_L || cat == ucp_N);
+ }
+ }
+ else
+#endif
+ cur_is_word = c < 256 && (md->ctypes[c] & ctype_word) != 0;
+ }
+ }
+ else
+#endif
+
+ /* Not in UTF-8 mode, but we may still have PCRE_UCP set, and for
+ consistency with the behaviour of \w we do use it in this case. */
+
+ {
+ /* Get status of previous character */
+
+ if (eptr == md->start_subject) prev_is_word = FALSE; else
+ {
+ if (eptr <= md->start_used_ptr) md->start_used_ptr = eptr - 1;
+#ifdef SUPPORT_UCP
+ if (md->use_ucp)
+ {
+ c = eptr[-1];
+ if (c == '_') prev_is_word = TRUE; else
+ {
+ int cat = UCD_CATEGORY(c);
+ prev_is_word = (cat == ucp_L || cat == ucp_N);
+ }
+ }
+ else
+#endif
+ prev_is_word = MAX_255(eptr[-1])
+ && ((md->ctypes[eptr[-1]] & ctype_word) != 0);
+ }
+
+ /* Get status of next character */
+
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ cur_is_word = FALSE;
+ }
+ else
+#ifdef SUPPORT_UCP
+ if (md->use_ucp)
+ {
+ c = *eptr;
+ if (c == '_') cur_is_word = TRUE; else
+ {
+ int cat = UCD_CATEGORY(c);
+ cur_is_word = (cat == ucp_L || cat == ucp_N);
+ }
+ }
+ else
+#endif
+ cur_is_word = MAX_255(*eptr)
+ && ((md->ctypes[*eptr] & ctype_word) != 0);
+ }
+
+ /* Now see if the situation is what we want */
+
+ if ((*ecode++ == OP_WORD_BOUNDARY)?
+ cur_is_word == prev_is_word : cur_is_word != prev_is_word)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ /* Match any single character type except newline; have to take care with
+ CRLF newlines and partial matching. */
+
+ case OP_ANY:
+ if (IS_NEWLINE(eptr)) RRETURN(MATCH_NOMATCH);
+ if (md->partial != 0 &&
+ eptr == md->end_subject - 1 &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ UCHAR21TEST(eptr) == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+
+ /* Fall through */
+
+ /* Match any single character whatsoever. */
+
+ case OP_ALLANY:
+ if (eptr >= md->end_subject) /* DO NOT merge the eptr++ here; it must */
+ { /* not be updated before SCHECK_PARTIAL. */
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr++;
+#ifdef SUPPORT_UTF
+ if (utf) ACROSSCHAR(eptr < md->end_subject, *eptr, eptr++);
+#endif
+ ecode++;
+ break;
+
+ /* Match a single byte, even in UTF-8 mode. This opcode really does match
+ any byte, even newline, independent of the setting of PCRE_DOTALL. */
+
+ case OP_ANYBYTE:
+ if (eptr >= md->end_subject) /* DO NOT merge the eptr++ here; it must */
+ { /* not be updated before SCHECK_PARTIAL. */
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr++;
+ ecode++;
+ break;
+
+ case OP_NOT_DIGIT:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (
+#if defined SUPPORT_UTF || !(defined COMPILE_PCRE8)
+ c < 256 &&
+#endif
+ (md->ctypes[c] & ctype_digit) != 0
+ )
+ RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ case OP_DIGIT:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (
+#if defined SUPPORT_UTF || !(defined COMPILE_PCRE8)
+ c > 255 ||
+#endif
+ (md->ctypes[c] & ctype_digit) == 0
+ )
+ RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ case OP_NOT_WHITESPACE:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (
+#if defined SUPPORT_UTF || !(defined COMPILE_PCRE8)
+ c < 256 &&
+#endif
+ (md->ctypes[c] & ctype_space) != 0
+ )
+ RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ case OP_WHITESPACE:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (
+#if defined SUPPORT_UTF || !(defined COMPILE_PCRE8)
+ c > 255 ||
+#endif
+ (md->ctypes[c] & ctype_space) == 0
+ )
+ RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ case OP_NOT_WORDCHAR:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (
+#if defined SUPPORT_UTF || !(defined COMPILE_PCRE8)
+ c < 256 &&
+#endif
+ (md->ctypes[c] & ctype_word) != 0
+ )
+ RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ case OP_WORDCHAR:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (
+#if defined SUPPORT_UTF || !(defined COMPILE_PCRE8)
+ c > 255 ||
+#endif
+ (md->ctypes[c] & ctype_word) == 0
+ )
+ RRETURN(MATCH_NOMATCH);
+ ecode++;
+ break;
+
+ case OP_ANYNL:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ switch(c)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+
+ case CHAR_CR:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ }
+ else if (UCHAR21TEST(eptr) == CHAR_LF) eptr++;
+ break;
+
+ case CHAR_LF:
+ break;
+
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ if (md->bsr_anycrlf) RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ ecode++;
+ break;
+
+ case OP_NOT_HSPACE:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ switch(c)
+ {
+ HSPACE_CASES: RRETURN(MATCH_NOMATCH); /* Byte and multibyte cases */
+ default: break;
+ }
+ ecode++;
+ break;
+
+ case OP_HSPACE:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ switch(c)
+ {
+ HSPACE_CASES: break; /* Byte and multibyte cases */
+ default: RRETURN(MATCH_NOMATCH);
+ }
+ ecode++;
+ break;
+
+ case OP_NOT_VSPACE:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ switch(c)
+ {
+ VSPACE_CASES: RRETURN(MATCH_NOMATCH);
+ default: break;
+ }
+ ecode++;
+ break;
+
+ case OP_VSPACE:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ switch(c)
+ {
+ VSPACE_CASES: break;
+ default: RRETURN(MATCH_NOMATCH);
+ }
+ ecode++;
+ break;
+
+#ifdef SUPPORT_UCP
+ /* Check the next character by Unicode property. We will get here only
+ if the support is in the binary; otherwise a compile-time error occurs. */
+
+ case OP_PROP:
+ case OP_NOTPROP:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ {
+ const pcre_uint32 *cp;
+ const ucd_record *prop = GET_UCD(c);
+
+ switch(ecode[1])
+ {
+ case PT_ANY:
+ if (op == OP_NOTPROP) RRETURN(MATCH_NOMATCH);
+ break;
+
+ case PT_LAMP:
+ if ((prop->chartype == ucp_Lu ||
+ prop->chartype == ucp_Ll ||
+ prop->chartype == ucp_Lt) == (op == OP_NOTPROP))
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case PT_GC:
+ if ((ecode[2] != PRIV(ucp_gentype)[prop->chartype]) == (op == OP_PROP))
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case PT_PC:
+ if ((ecode[2] != prop->chartype) == (op == OP_PROP))
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case PT_SC:
+ if ((ecode[2] != prop->script) == (op == OP_PROP))
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ /* These are specials */
+
+ case PT_ALNUM:
+ if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N) == (op == OP_NOTPROP))
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ if (op == OP_NOTPROP) RRETURN(MATCH_NOMATCH);
+ break;
+
+ default:
+ if ((PRIV(ucp_gentype)[prop->chartype] == ucp_Z) ==
+ (op == OP_NOTPROP)) RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ break;
+
+ case PT_WORD:
+ if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N ||
+ c == CHAR_UNDERSCORE) == (op == OP_NOTPROP))
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case PT_CLIST:
+ cp = PRIV(ucd_caseless_sets) + ecode[2];
+ for (;;)
+ {
+ if (c < *cp)
+ { if (op == OP_PROP) { RRETURN(MATCH_NOMATCH); } else break; }
+ if (c == *cp++)
+ { if (op == OP_PROP) break; else { RRETURN(MATCH_NOMATCH); } }
+ }
+ break;
+
+ case PT_UCNC:
+ if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000) == (op == OP_NOTPROP))
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ /* This should never occur */
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+
+ ecode += 3;
+ }
+ break;
+
+ /* Match an extended Unicode sequence. We will get here only if the support
+ is in the binary; otherwise a compile-time error occurs. */
+
+ case OP_EXTUNI:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ else
+ {
+ int lgb, rgb;
+ GETCHARINCTEST(c, eptr);
+ lgb = UCD_GRAPHBREAK(c);
+ while (eptr < md->end_subject)
+ {
+ int len = 1;
+ if (!utf) c = *eptr; else { GETCHARLEN(c, eptr, len); }
+ rgb = UCD_GRAPHBREAK(c);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ lgb = rgb;
+ eptr += len;
+ }
+ }
+ CHECK_PARTIAL();
+ ecode++;
+ break;
+#endif /* SUPPORT_UCP */
+
+
+ /* Match a back reference, possibly repeatedly. Look past the end of the
+ item to see if there is repeat information following. The code is similar
+ to that for character classes, but repeated for efficiency. Then obey
+ similar code to character type repeats - written out again for speed.
+ However, if the referenced string is the empty string, always treat
+ it as matched, any number of times (otherwise there could be infinite
+ loops). If the reference is unset, there are two possibilities:
+
+ (a) In the default, Perl-compatible state, set the length negative;
+ this ensures that every attempt at a match fails. We can't just fail
+ here, because of the possibility of quantifiers with zero minima.
+
+ (b) If the JavaScript compatibility flag is set, set the length to zero
+ so that the back reference matches an empty string.
+
+ Otherwise, set the length to the length of what was matched by the
+ referenced subpattern.
+
+ The OP_REF and OP_REFI opcodes are used for a reference to a numbered group
+ or to a non-duplicated named group. For a duplicated named group, OP_DNREF
+ and OP_DNREFI are used. In this case we must scan the list of groups to
+ which the name refers, and use the first one that is set. */
+
+ case OP_DNREF:
+ case OP_DNREFI:
+ caseless = op == OP_DNREFI;
+ {
+ int count = GET2(ecode, 1+IMM2_SIZE);
+ pcre_uchar *slot = md->name_table + GET2(ecode, 1) * md->name_entry_size;
+ ecode += 1 + 2*IMM2_SIZE;
+
+ /* Setting the default length first and initializing 'offset' avoids
+ compiler warnings in the REF_REPEAT code. */
+
+ length = (md->jscript_compat)? 0 : -1;
+ offset = 0;
+
+ while (count-- > 0)
+ {
+ offset = GET2(slot, 0) << 1;
+ if (offset < offset_top && md->offset_vector[offset] >= 0)
+ {
+ length = md->offset_vector[offset+1] - md->offset_vector[offset];
+ break;
+ }
+ slot += md->name_entry_size;
+ }
+ }
+ goto REF_REPEAT;
+
+ case OP_REF:
+ case OP_REFI:
+ caseless = op == OP_REFI;
+ offset = GET2(ecode, 1) << 1; /* Doubled ref number */
+ ecode += 1 + IMM2_SIZE;
+ if (offset >= offset_top || md->offset_vector[offset] < 0)
+ length = (md->jscript_compat)? 0 : -1;
+ else
+ length = md->offset_vector[offset+1] - md->offset_vector[offset];
+
+ /* Set up for repetition, or handle the non-repeated case */
+
+ REF_REPEAT:
+ switch (*ecode)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ c = *ecode++ - OP_CRSTAR;
+ minimize = (c & 1) != 0;
+ min = rep_min[c]; /* Pick up values from tables; */
+ max = rep_max[c]; /* zero for max => infinity */
+ if (max == 0) max = INT_MAX;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ minimize = (*ecode == OP_CRMINRANGE);
+ min = GET2(ecode, 1);
+ max = GET2(ecode, 1 + IMM2_SIZE);
+ if (max == 0) max = INT_MAX;
+ ecode += 1 + 2 * IMM2_SIZE;
+ break;
+
+ default: /* No repeat follows */
+ if ((length = match_ref(offset, eptr, length, md, caseless)) < 0)
+ {
+ if (length == -2) eptr = md->end_subject; /* Partial match */
+ CHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr += length;
+ continue; /* With the main loop */
+ }
+
+ /* Handle repeated back references. If the length of the reference is
+ zero, just continue with the main loop. If the length is negative, it
+ means the reference is unset in non-Java-compatible mode. If the minimum is
+ zero, we can continue at the same level without recursion. For any other
+ minimum, carrying on will result in NOMATCH. */
+
+ if (length == 0) continue;
+ if (length < 0 && min == 0) continue;
+
+ /* First, ensure the minimum number of matches are present. We get back
+ the length of the reference string explicitly rather than passing the
+ address of eptr, so that eptr can be a register variable. */
+
+ for (i = 1; i <= min; i++)
+ {
+ int slength;
+ if ((slength = match_ref(offset, eptr, length, md, caseless)) < 0)
+ {
+ if (slength == -2) eptr = md->end_subject; /* Partial match */
+ CHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr += slength;
+ }
+
+ /* If min = max, continue at the same level without recursion.
+ They are not both allowed to be zero. */
+
+ if (min == max) continue;
+
+ /* If minimizing, keep trying and advancing the pointer */
+
+ if (minimize)
+ {
+ for (fi = min;; fi++)
+ {
+ int slength;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM14);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if ((slength = match_ref(offset, eptr, length, md, caseless)) < 0)
+ {
+ if (slength == -2) eptr = md->end_subject; /* Partial match */
+ CHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr += slength;
+ }
+ /* Control never gets here */
+ }
+
+ /* If maximizing, find the longest string and work backwards */
+
+ else
+ {
+ pp = eptr;
+ for (i = min; i < max; i++)
+ {
+ int slength;
+ if ((slength = match_ref(offset, eptr, length, md, caseless)) < 0)
+ {
+ /* Can't use CHECK_PARTIAL because we don't want to update eptr in
+ the soft partial matching case. */
+
+ if (slength == -2 && md->partial != 0 &&
+ md->end_subject > md->start_used_ptr)
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ break;
+ }
+ eptr += slength;
+ }
+
+ while (eptr >= pp)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM15);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr -= length;
+ }
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ /* Match a bit-mapped character class, possibly repeatedly. This op code is
+ used when all the characters in the class have values in the range 0-255,
+ and either the matching is caseful, or the characters are in the range
+ 0-127 when UTF-8 processing is enabled. The only difference between
+ OP_CLASS and OP_NCLASS occurs when a data character outside the range is
+ encountered.
+
+ First, look past the end of the item to see if there is repeat information
+ following. Then obey similar code to character type repeats - written out
+ again for speed. */
+
+ case OP_NCLASS:
+ case OP_CLASS:
+ {
+ /* The data variable is saved across frames, so the byte map needs to
+ be stored there. */
+#define BYTE_MAP ((pcre_uint8 *)data)
+ data = ecode + 1; /* Save for matching */
+ ecode += 1 + (32 / sizeof(pcre_uchar)); /* Advance past the item */
+
+ switch (*ecode)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSPLUS:
+ case OP_CRPOSQUERY:
+ c = *ecode++ - OP_CRSTAR;
+ if (c < OP_CRPOSSTAR - OP_CRSTAR) minimize = (c & 1) != 0;
+ else possessive = TRUE;
+ min = rep_min[c]; /* Pick up values from tables; */
+ max = rep_max[c]; /* zero for max => infinity */
+ if (max == 0) max = INT_MAX;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ minimize = (*ecode == OP_CRMINRANGE);
+ possessive = (*ecode == OP_CRPOSRANGE);
+ min = GET2(ecode, 1);
+ max = GET2(ecode, 1 + IMM2_SIZE);
+ if (max == 0) max = INT_MAX;
+ ecode += 1 + 2 * IMM2_SIZE;
+ break;
+
+ default: /* No repeat follows */
+ min = max = 1;
+ break;
+ }
+
+ /* First, ensure the minimum number of matches are present. */
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ if (c > 255)
+ {
+ if (op == OP_CLASS) RRETURN(MATCH_NOMATCH);
+ }
+ else
+ if ((BYTE_MAP[c/8] & (1 << (c&7))) == 0) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ c = *eptr++;
+#ifndef COMPILE_PCRE8
+ if (c > 255)
+ {
+ if (op == OP_CLASS) RRETURN(MATCH_NOMATCH);
+ }
+ else
+#endif
+ if ((BYTE_MAP[c/8] & (1 << (c&7))) == 0) RRETURN(MATCH_NOMATCH);
+ }
+ }
+
+ /* If max == min we can continue with the main loop without the
+ need to recurse. */
+
+ if (min == max) continue;
+
+ /* If minimizing, keep testing the rest of the expression and advancing
+ the pointer while it matches the class. */
+
+ if (minimize)
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM16);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ if (c > 255)
+ {
+ if (op == OP_CLASS) RRETURN(MATCH_NOMATCH);
+ }
+ else
+ if ((BYTE_MAP[c/8] & (1 << (c&7))) == 0) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM17);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ c = *eptr++;
+#ifndef COMPILE_PCRE8
+ if (c > 255)
+ {
+ if (op == OP_CLASS) RRETURN(MATCH_NOMATCH);
+ }
+ else
+#endif
+ if ((BYTE_MAP[c/8] & (1 << (c&7))) == 0) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ /* Control never gets here */
+ }
+
+ /* If maximizing, find the longest possible run, then work backwards. */
+
+ else
+ {
+ pp = eptr;
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c > 255)
+ {
+ if (op == OP_CLASS) break;
+ }
+ else
+ if ((BYTE_MAP[c/8] & (1 << (c&7))) == 0) break;
+ eptr += len;
+ }
+
+ if (possessive) continue; /* No backtracking */
+
+ for (;;)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM18);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (eptr-- <= pp) break; /* Stop if tried at original pos */
+ BACKCHAR(eptr);
+ }
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ c = *eptr;
+#ifndef COMPILE_PCRE8
+ if (c > 255)
+ {
+ if (op == OP_CLASS) break;
+ }
+ else
+#endif
+ if ((BYTE_MAP[c/8] & (1 << (c&7))) == 0) break;
+ eptr++;
+ }
+
+ if (possessive) continue; /* No backtracking */
+
+ while (eptr >= pp)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM19);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ }
+ }
+
+ RRETURN(MATCH_NOMATCH);
+ }
+#undef BYTE_MAP
+ }
+ /* Control never gets here */
+
+
+ /* Match an extended character class. In the 8-bit library, this opcode is
+ encountered only when UTF-8 mode mode is supported. In the 16-bit and
+ 32-bit libraries, codepoints greater than 255 may be encountered even when
+ UTF is not supported. */
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ {
+ data = ecode + 1 + LINK_SIZE; /* Save for matching */
+ ecode += GET(ecode, 1); /* Advance past the item */
+
+ switch (*ecode)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSPLUS:
+ case OP_CRPOSQUERY:
+ c = *ecode++ - OP_CRSTAR;
+ if (c < OP_CRPOSSTAR - OP_CRSTAR) minimize = (c & 1) != 0;
+ else possessive = TRUE;
+ min = rep_min[c]; /* Pick up values from tables; */
+ max = rep_max[c]; /* zero for max => infinity */
+ if (max == 0) max = INT_MAX;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ minimize = (*ecode == OP_CRMINRANGE);
+ possessive = (*ecode == OP_CRPOSRANGE);
+ min = GET2(ecode, 1);
+ max = GET2(ecode, 1 + IMM2_SIZE);
+ if (max == 0) max = INT_MAX;
+ ecode += 1 + 2 * IMM2_SIZE;
+ break;
+
+ default: /* No repeat follows */
+ min = max = 1;
+ break;
+ }
+
+ /* First, ensure the minimum number of matches are present. */
+
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (!PRIV(xclass)(c, data, utf)) RRETURN(MATCH_NOMATCH);
+ }
+
+ /* If max == min we can continue with the main loop without the
+ need to recurse. */
+
+ if (min == max) continue;
+
+ /* If minimizing, keep testing the rest of the expression and advancing
+ the pointer while it matches the class. */
+
+ if (minimize)
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM20);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (!PRIV(xclass)(c, data, utf)) RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+ }
+
+ /* If maximizing, find the longest possible run, then work backwards. */
+
+ else
+ {
+ pp = eptr;
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+#ifdef SUPPORT_UTF
+ GETCHARLENTEST(c, eptr, len);
+#else
+ c = *eptr;
+#endif
+ if (!PRIV(xclass)(c, data, utf)) break;
+ eptr += len;
+ }
+
+ if (possessive) continue; /* No backtracking */
+
+ for(;;)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM21);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (eptr-- <= pp) break; /* Stop if tried at original pos */
+#ifdef SUPPORT_UTF
+ if (utf) BACKCHAR(eptr);
+#endif
+ }
+ RRETURN(MATCH_NOMATCH);
+ }
+
+ /* Control never gets here */
+ }
+#endif /* End of XCLASS */
+
+ /* Match a single character, casefully */
+
+ case OP_CHAR:
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ length = 1;
+ ecode++;
+ GETCHARLEN(fc, ecode, length);
+ if (length > md->end_subject - eptr)
+ {
+ CHECK_PARTIAL(); /* Not SCHECK_PARTIAL() */
+ RRETURN(MATCH_NOMATCH);
+ }
+ while (length-- > 0) if (*ecode++ != UCHAR21INC(eptr)) RRETURN(MATCH_NOMATCH);
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ if (md->end_subject - eptr < 1)
+ {
+ SCHECK_PARTIAL(); /* This one can use SCHECK_PARTIAL() */
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (ecode[1] != *eptr++) RRETURN(MATCH_NOMATCH);
+ ecode += 2;
+ }
+ break;
+
+ /* Match a single character, caselessly. If we are at the end of the
+ subject, give up immediately. */
+
+ case OP_CHARI:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ length = 1;
+ ecode++;
+ GETCHARLEN(fc, ecode, length);
+
+ /* If the pattern character's value is < 128, we have only one byte, and
+ we know that its other case must also be one byte long, so we can use the
+ fast lookup table. We know that there is at least one byte left in the
+ subject. */
+
+ if (fc < 128)
+ {
+ pcre_uint32 cc = UCHAR21(eptr);
+ if (md->lcc[fc] != TABLE_GET(cc, md->lcc, cc)) RRETURN(MATCH_NOMATCH);
+ ecode++;
+ eptr++;
+ }
+
+ /* Otherwise we must pick up the subject character. Note that we cannot
+ use the value of "length" to check for sufficient bytes left, because the
+ other case of the character may have more or fewer bytes. */
+
+ else
+ {
+ pcre_uint32 dc;
+ GETCHARINC(dc, eptr);
+ ecode += length;
+
+ /* If we have Unicode property support, we can use it to test the other
+ case of the character, if there is one. */
+
+ if (fc != dc)
+ {
+#ifdef SUPPORT_UCP
+ if (dc != UCD_OTHERCASE(fc))
+#endif
+ RRETURN(MATCH_NOMATCH);
+ }
+ }
+ }
+ else
+#endif /* SUPPORT_UTF */
+
+ /* Not UTF mode */
+ {
+ if (TABLE_GET(ecode[1], md->lcc, ecode[1])
+ != TABLE_GET(*eptr, md->lcc, *eptr)) RRETURN(MATCH_NOMATCH);
+ eptr++;
+ ecode += 2;
+ }
+ break;
+
+ /* Match a single character repeatedly. */
+
+ case OP_EXACT:
+ case OP_EXACTI:
+ min = max = GET2(ecode, 1);
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATCHAR;
+
+ case OP_POSUPTO:
+ case OP_POSUPTOI:
+ possessive = TRUE;
+ /* Fall through */
+
+ case OP_UPTO:
+ case OP_UPTOI:
+ case OP_MINUPTO:
+ case OP_MINUPTOI:
+ min = 0;
+ max = GET2(ecode, 1);
+ minimize = *ecode == OP_MINUPTO || *ecode == OP_MINUPTOI;
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATCHAR;
+
+ case OP_POSSTAR:
+ case OP_POSSTARI:
+ possessive = TRUE;
+ min = 0;
+ max = INT_MAX;
+ ecode++;
+ goto REPEATCHAR;
+
+ case OP_POSPLUS:
+ case OP_POSPLUSI:
+ possessive = TRUE;
+ min = 1;
+ max = INT_MAX;
+ ecode++;
+ goto REPEATCHAR;
+
+ case OP_POSQUERY:
+ case OP_POSQUERYI:
+ possessive = TRUE;
+ min = 0;
+ max = 1;
+ ecode++;
+ goto REPEATCHAR;
+
+ case OP_STAR:
+ case OP_STARI:
+ case OP_MINSTAR:
+ case OP_MINSTARI:
+ case OP_PLUS:
+ case OP_PLUSI:
+ case OP_MINPLUS:
+ case OP_MINPLUSI:
+ case OP_QUERY:
+ case OP_QUERYI:
+ case OP_MINQUERY:
+ case OP_MINQUERYI:
+ c = *ecode++ - ((op < OP_STARI)? OP_STAR : OP_STARI);
+ minimize = (c & 1) != 0;
+ min = rep_min[c]; /* Pick up values from tables; */
+ max = rep_max[c]; /* zero for max => infinity */
+ if (max == 0) max = INT_MAX;
+
+ /* Common code for all repeated single-character matches. We first check
+ for the minimum number of characters. If the minimum equals the maximum, we
+ are done. Otherwise, if minimizing, check the rest of the pattern for a
+ match; if there isn't one, advance up to the maximum, one character at a
+ time.
+
+ If maximizing, advance up to the maximum number of matching characters,
+ until eptr is past the end of the maximum run. If possessive, we are
+ then done (no backing up). Otherwise, match at this position; anything
+ other than no match is immediately returned. For nomatch, back up one
+ character, unless we are matching \R and the last thing matched was
+ \r\n, in which case, back up two bytes. When we reach the first optional
+ character position, we can save stack by doing a tail recurse.
+
+ The various UTF/non-UTF and caseful/caseless cases are handled separately,
+ for speed. */
+
+ REPEATCHAR:
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ length = 1;
+ charptr = ecode;
+ GETCHARLEN(fc, ecode, length);
+ ecode += length;
+
+ /* Handle multibyte character matching specially here. There is
+ support for caseless matching if UCP support is present. */
+
+ if (length > 1)
+ {
+#ifdef SUPPORT_UCP
+ pcre_uint32 othercase;
+ if (op >= OP_STARI && /* Caseless */
+ (othercase = UCD_OTHERCASE(fc)) != fc)
+ oclength = PRIV(ord2utf)(othercase, occhars);
+ else oclength = 0;
+#endif /* SUPPORT_UCP */
+
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr <= md->end_subject - length &&
+ memcmp(eptr, charptr, IN_UCHARS(length)) == 0) eptr += length;
+#ifdef SUPPORT_UCP
+ else if (oclength > 0 &&
+ eptr <= md->end_subject - oclength &&
+ memcmp(eptr, occhars, IN_UCHARS(oclength)) == 0) eptr += oclength;
+#endif /* SUPPORT_UCP */
+ else
+ {
+ CHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ }
+
+ if (min == max) continue;
+
+ if (minimize)
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM22);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr <= md->end_subject - length &&
+ memcmp(eptr, charptr, IN_UCHARS(length)) == 0) eptr += length;
+#ifdef SUPPORT_UCP
+ else if (oclength > 0 &&
+ eptr <= md->end_subject - oclength &&
+ memcmp(eptr, occhars, IN_UCHARS(oclength)) == 0) eptr += oclength;
+#endif /* SUPPORT_UCP */
+ else
+ {
+ CHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ }
+ /* Control never gets here */
+ }
+
+ else /* Maximize */
+ {
+ pp = eptr;
+ for (i = min; i < max; i++)
+ {
+ if (eptr <= md->end_subject - length &&
+ memcmp(eptr, charptr, IN_UCHARS(length)) == 0) eptr += length;
+#ifdef SUPPORT_UCP
+ else if (oclength > 0 &&
+ eptr <= md->end_subject - oclength &&
+ memcmp(eptr, occhars, IN_UCHARS(oclength)) == 0) eptr += oclength;
+#endif /* SUPPORT_UCP */
+ else
+ {
+ CHECK_PARTIAL();
+ break;
+ }
+ }
+
+ if (possessive) continue; /* No backtracking */
+ for(;;)
+ {
+ if (eptr <= pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM23);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+#ifdef SUPPORT_UCP
+ eptr--;
+ BACKCHAR(eptr);
+#else /* without SUPPORT_UCP */
+ eptr -= length;
+#endif /* SUPPORT_UCP */
+ }
+ }
+ /* Control never gets here */
+ }
+
+ /* If the length of a UTF-8 character is 1, we fall through here, and
+ obey the code as for non-UTF-8 characters below, though in this case the
+ value of fc will always be < 128. */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ /* When not in UTF-8 mode, load a single-byte character. */
+ fc = *ecode++;
+
+ /* The value of fc at this point is always one character, though we may
+ or may not be in UTF mode. The code is duplicated for the caseless and
+ caseful cases, for speed, since matching characters is likely to be quite
+ common. First, ensure the minimum number of matches are present. If min =
+ max, continue at the same level without recursing. Otherwise, if
+ minimizing, keep trying the rest of the expression and advancing one
+ matching character if failing, up to the maximum. Alternatively, if
+ maximizing, find the maximum number of characters and work backwards. */
+
+ DPRINTF(("matching %c{%d,%d} against subject %.*s\n", fc, min, max,
+ max, (char *)eptr));
+
+ if (op >= OP_STARI) /* Caseless */
+ {
+#ifdef COMPILE_PCRE8
+ /* fc must be < 128 if UTF is enabled. */
+ foc = md->fcc[fc];
+#else
+#ifdef SUPPORT_UTF
+#ifdef SUPPORT_UCP
+ if (utf && fc > 127)
+ foc = UCD_OTHERCASE(fc);
+#else
+ if (utf && fc > 127)
+ foc = fc;
+#endif /* SUPPORT_UCP */
+ else
+#endif /* SUPPORT_UTF */
+ foc = TABLE_GET(fc, md->fcc, fc);
+#endif /* COMPILE_PCRE8 */
+
+ for (i = 1; i <= min; i++)
+ {
+ pcre_uint32 cc; /* Faster than pcre_uchar */
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ cc = UCHAR21TEST(eptr);
+ if (fc != cc && foc != cc) RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ if (min == max) continue;
+ if (minimize)
+ {
+ for (fi = min;; fi++)
+ {
+ pcre_uint32 cc; /* Faster than pcre_uchar */
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM24);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ cc = UCHAR21TEST(eptr);
+ if (fc != cc && foc != cc) RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ /* Control never gets here */
+ }
+ else /* Maximize */
+ {
+ pp = eptr;
+ for (i = min; i < max; i++)
+ {
+ pcre_uint32 cc; /* Faster than pcre_uchar */
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ cc = UCHAR21TEST(eptr);
+ if (fc != cc && foc != cc) break;
+ eptr++;
+ }
+ if (possessive) continue; /* No backtracking */
+ for (;;)
+ {
+ if (eptr == pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM25);
+ eptr--;
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ }
+ /* Control never gets here */
+ }
+ }
+
+ /* Caseful comparisons (includes all multi-byte characters) */
+
+ else
+ {
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (fc != UCHAR21INCTEST(eptr)) RRETURN(MATCH_NOMATCH);
+ }
+
+ if (min == max) continue;
+
+ if (minimize)
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM26);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (fc != UCHAR21INCTEST(eptr)) RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+ }
+ else /* Maximize */
+ {
+ pp = eptr;
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (fc != UCHAR21TEST(eptr)) break;
+ eptr++;
+ }
+ if (possessive) continue; /* No backtracking */
+ for (;;)
+ {
+ if (eptr == pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM27);
+ eptr--;
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ }
+ /* Control never gets here */
+ }
+ }
+ /* Control never gets here */
+
+ /* Match a negated single one-byte character. The character we are
+ checking can be multibyte. */
+
+ case OP_NOT:
+ case OP_NOTI:
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ register pcre_uint32 ch, och;
+
+ ecode++;
+ GETCHARINC(ch, ecode);
+ GETCHARINC(c, eptr);
+
+ if (op == OP_NOT)
+ {
+ if (ch == c) RRETURN(MATCH_NOMATCH);
+ }
+ else
+ {
+#ifdef SUPPORT_UCP
+ if (ch > 127)
+ och = UCD_OTHERCASE(ch);
+#else
+ if (ch > 127)
+ och = ch;
+#endif /* SUPPORT_UCP */
+ else
+ och = TABLE_GET(ch, md->fcc, ch);
+ if (ch == c || och == c) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+#endif
+ {
+ register pcre_uint32 ch = ecode[1];
+ c = *eptr++;
+ if (ch == c || (op == OP_NOTI && TABLE_GET(ch, md->fcc, ch) == c))
+ RRETURN(MATCH_NOMATCH);
+ ecode += 2;
+ }
+ break;
+
+ /* Match a negated single one-byte character repeatedly. This is almost a
+ repeat of the code for a repeated single character, but I haven't found a
+ nice way of commoning these up that doesn't require a test of the
+ positive/negative option for each character match. Maybe that wouldn't add
+ very much to the time taken, but character matching *is* what this is all
+ about... */
+
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+ min = max = GET2(ecode, 1);
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATNOTCHAR;
+
+ case OP_NOTUPTO:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTO:
+ case OP_NOTMINUPTOI:
+ min = 0;
+ max = GET2(ecode, 1);
+ minimize = *ecode == OP_NOTMINUPTO || *ecode == OP_NOTMINUPTOI;
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATNOTCHAR;
+
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSSTARI:
+ possessive = TRUE;
+ min = 0;
+ max = INT_MAX;
+ ecode++;
+ goto REPEATNOTCHAR;
+
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSPLUSI:
+ possessive = TRUE;
+ min = 1;
+ max = INT_MAX;
+ ecode++;
+ goto REPEATNOTCHAR;
+
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSQUERYI:
+ possessive = TRUE;
+ min = 0;
+ max = 1;
+ ecode++;
+ goto REPEATNOTCHAR;
+
+ case OP_NOTPOSUPTO:
+ case OP_NOTPOSUPTOI:
+ possessive = TRUE;
+ min = 0;
+ max = GET2(ecode, 1);
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATNOTCHAR;
+
+ case OP_NOTSTAR:
+ case OP_NOTSTARI:
+ case OP_NOTMINSTAR:
+ case OP_NOTMINSTARI:
+ case OP_NOTPLUS:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUS:
+ case OP_NOTMINPLUSI:
+ case OP_NOTQUERY:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERY:
+ case OP_NOTMINQUERYI:
+ c = *ecode++ - ((op >= OP_NOTSTARI)? OP_NOTSTARI: OP_NOTSTAR);
+ minimize = (c & 1) != 0;
+ min = rep_min[c]; /* Pick up values from tables; */
+ max = rep_max[c]; /* zero for max => infinity */
+ if (max == 0) max = INT_MAX;
+
+ /* Common code for all repeated single-byte matches. */
+
+ REPEATNOTCHAR:
+ GETCHARINCTEST(fc, ecode);
+
+ /* The code is duplicated for the caseless and caseful cases, for speed,
+ since matching characters is likely to be quite common. First, ensure the
+ minimum number of matches are present. If min = max, continue at the same
+ level without recursing. Otherwise, if minimizing, keep trying the rest of
+ the expression and advancing one matching character if failing, up to the
+ maximum. Alternatively, if maximizing, find the maximum number of
+ characters and work backwards. */
+
+ DPRINTF(("negative matching %c{%d,%d} against subject %.*s\n", fc, min, max,
+ max, (char *)eptr));
+
+ if (op >= OP_NOTSTARI) /* Caseless */
+ {
+#ifdef SUPPORT_UTF
+#ifdef SUPPORT_UCP
+ if (utf && fc > 127)
+ foc = UCD_OTHERCASE(fc);
+#else
+ if (utf && fc > 127)
+ foc = fc;
+#endif /* SUPPORT_UCP */
+ else
+#endif /* SUPPORT_UTF */
+ foc = TABLE_GET(fc, md->fcc, fc);
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ register pcre_uint32 d;
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(d, eptr);
+ if (fc == d || (unsigned int)foc == d) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+#endif /* SUPPORT_UTF */
+ /* Not UTF mode */
+ {
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (fc == *eptr || foc == *eptr) RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ }
+
+ if (min == max) continue;
+
+ if (minimize)
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ register pcre_uint32 d;
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM28);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(d, eptr);
+ if (fc == d || (unsigned int)foc == d) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+#endif /*SUPPORT_UTF */
+ /* Not UTF mode */
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM29);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (fc == *eptr || foc == *eptr) RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ }
+ /* Control never gets here */
+ }
+
+ /* Maximize case */
+
+ else
+ {
+ pp = eptr;
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ register pcre_uint32 d;
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(d, eptr, len);
+ if (fc == d || (unsigned int)foc == d) break;
+ eptr += len;
+ }
+ if (possessive) continue; /* No backtracking */
+ for(;;)
+ {
+ if (eptr <= pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM30);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ BACKCHAR(eptr);
+ }
+ }
+ else
+#endif /* SUPPORT_UTF */
+ /* Not UTF mode */
+ {
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (fc == *eptr || foc == *eptr) break;
+ eptr++;
+ }
+ if (possessive) continue; /* No backtracking */
+ for (;;)
+ {
+ if (eptr == pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM31);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ }
+ }
+ /* Control never gets here */
+ }
+ }
+
+ /* Caseful comparisons */
+
+ else
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ register pcre_uint32 d;
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(d, eptr);
+ if (fc == d) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (fc == *eptr++) RRETURN(MATCH_NOMATCH);
+ }
+ }
+
+ if (min == max) continue;
+
+ if (minimize)
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ register pcre_uint32 d;
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM32);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(d, eptr);
+ if (fc == d) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM33);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (fc == *eptr++) RRETURN(MATCH_NOMATCH);
+ }
+ }
+ /* Control never gets here */
+ }
+
+ /* Maximize case */
+
+ else
+ {
+ pp = eptr;
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ register pcre_uint32 d;
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(d, eptr, len);
+ if (fc == d) break;
+ eptr += len;
+ }
+ if (possessive) continue; /* No backtracking */
+ for(;;)
+ {
+ if (eptr <= pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM34);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ BACKCHAR(eptr);
+ }
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (fc == *eptr) break;
+ eptr++;
+ }
+ if (possessive) continue; /* No backtracking */
+ for (;;)
+ {
+ if (eptr == pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM35);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ }
+ }
+ /* Control never gets here */
+ }
+ }
+ /* Control never gets here */
+
+ /* Match a single character type repeatedly; several different opcodes
+ share code. This is very similar to the code for single characters, but we
+ repeat it in the interests of efficiency. */
+
+ case OP_TYPEEXACT:
+ min = max = GET2(ecode, 1);
+ minimize = TRUE;
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATTYPE;
+
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ min = 0;
+ max = GET2(ecode, 1);
+ minimize = *ecode == OP_TYPEMINUPTO;
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATTYPE;
+
+ case OP_TYPEPOSSTAR:
+ possessive = TRUE;
+ min = 0;
+ max = INT_MAX;
+ ecode++;
+ goto REPEATTYPE;
+
+ case OP_TYPEPOSPLUS:
+ possessive = TRUE;
+ min = 1;
+ max = INT_MAX;
+ ecode++;
+ goto REPEATTYPE;
+
+ case OP_TYPEPOSQUERY:
+ possessive = TRUE;
+ min = 0;
+ max = 1;
+ ecode++;
+ goto REPEATTYPE;
+
+ case OP_TYPEPOSUPTO:
+ possessive = TRUE;
+ min = 0;
+ max = GET2(ecode, 1);
+ ecode += 1 + IMM2_SIZE;
+ goto REPEATTYPE;
+
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ c = *ecode++ - OP_TYPESTAR;
+ minimize = (c & 1) != 0;
+ min = rep_min[c]; /* Pick up values from tables; */
+ max = rep_max[c]; /* zero for max => infinity */
+ if (max == 0) max = INT_MAX;
+
+ /* Common code for all repeated single character type matches. Note that
+ in UTF-8 mode, '.' matches a character of any length, but for the other
+ character types, the valid characters are all one-byte long. */
+
+ REPEATTYPE:
+ ctype = *ecode++; /* Code for the character type */
+
+#ifdef SUPPORT_UCP
+ if (ctype == OP_PROP || ctype == OP_NOTPROP)
+ {
+ prop_fail_result = ctype == OP_NOTPROP;
+ prop_type = *ecode++;
+ prop_value = *ecode++;
+ }
+ else prop_type = -1;
+#endif
+
+ /* First, ensure the minimum number of matches are present. Use inline
+ code for maximizing the speed, and do the type test once at the start
+ (i.e. keep it out of the loop). Separate the UTF-8 code completely as that
+ is tidier. Also separate the UCP code, which can be the same for both UTF-8
+ and single-bytes. */
+
+ if (min > 0)
+ {
+#ifdef SUPPORT_UCP
+ if (prop_type >= 0)
+ {
+ switch(prop_type)
+ {
+ case PT_ANY:
+ if (prop_fail_result) RRETURN(MATCH_NOMATCH);
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ }
+ break;
+
+ case PT_LAMP:
+ for (i = 1; i <= min; i++)
+ {
+ int chartype;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ chartype = UCD_CHARTYPE(c);
+ if ((chartype == ucp_Lu ||
+ chartype == ucp_Ll ||
+ chartype == ucp_Lt) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case PT_GC:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((UCD_CATEGORY(c) == prop_value) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case PT_PC:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((UCD_CHARTYPE(c) == prop_value) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case PT_SC:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((UCD_SCRIPT(c) == prop_value) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case PT_ALNUM:
+ for (i = 1; i <= min; i++)
+ {
+ int category;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ category = UCD_CATEGORY(c);
+ if ((category == ucp_L || category == ucp_N) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ if (prop_fail_result) RRETURN(MATCH_NOMATCH);
+ break;
+
+ default:
+ if ((UCD_CATEGORY(c) == ucp_Z) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ }
+ break;
+
+ case PT_WORD:
+ for (i = 1; i <= min; i++)
+ {
+ int category;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ category = UCD_CATEGORY(c);
+ if ((category == ucp_L || category == ucp_N || c == CHAR_UNDERSCORE)
+ == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case PT_CLIST:
+ for (i = 1; i <= min; i++)
+ {
+ const pcre_uint32 *cp;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ cp = PRIV(ucd_caseless_sets) + prop_value;
+ for (;;)
+ {
+ if (c < *cp)
+ { if (prop_fail_result) break; else { RRETURN(MATCH_NOMATCH); } }
+ if (c == *cp++)
+ { if (prop_fail_result) { RRETURN(MATCH_NOMATCH); } else break; }
+ }
+ }
+ break;
+
+ case PT_UCNC:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ /* This should not occur */
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+ }
+
+ /* Match extended Unicode sequences. We will get here only if the
+ support is in the binary; otherwise a compile-time error occurs. */
+
+ else if (ctype == OP_EXTUNI)
+ {
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ else
+ {
+ int lgb, rgb;
+ GETCHARINCTEST(c, eptr);
+ lgb = UCD_GRAPHBREAK(c);
+ while (eptr < md->end_subject)
+ {
+ int len = 1;
+ if (!utf) c = *eptr; else { GETCHARLEN(c, eptr, len); }
+ rgb = UCD_GRAPHBREAK(c);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ lgb = rgb;
+ eptr += len;
+ }
+ }
+ CHECK_PARTIAL();
+ }
+ }
+
+ else
+#endif /* SUPPORT_UCP */
+
+/* Handle all other cases when the coding is UTF-8 */
+
+#ifdef SUPPORT_UTF
+ if (utf) switch(ctype)
+ {
+ case OP_ANY:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (IS_NEWLINE(eptr)) RRETURN(MATCH_NOMATCH);
+ if (md->partial != 0 &&
+ eptr + 1 >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ UCHAR21(eptr) == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ eptr++;
+ ACROSSCHAR(eptr < md->end_subject, *eptr, eptr++);
+ }
+ break;
+
+ case OP_ALLANY:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr++;
+ ACROSSCHAR(eptr < md->end_subject, *eptr, eptr++);
+ }
+ break;
+
+ case OP_ANYBYTE:
+ if (eptr > md->end_subject - min) RRETURN(MATCH_NOMATCH);
+ eptr += min;
+ break;
+
+ case OP_ANYNL:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ switch(c)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+
+ case CHAR_CR:
+ if (eptr < md->end_subject && UCHAR21(eptr) == CHAR_LF) eptr++;
+ break;
+
+ case CHAR_LF:
+ break;
+
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ if (md->bsr_anycrlf) RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ }
+ break;
+
+ case OP_NOT_HSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ switch(c)
+ {
+ HSPACE_CASES: RRETURN(MATCH_NOMATCH); /* Byte and multibyte cases */
+ default: break;
+ }
+ }
+ break;
+
+ case OP_HSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ switch(c)
+ {
+ HSPACE_CASES: break; /* Byte and multibyte cases */
+ default: RRETURN(MATCH_NOMATCH);
+ }
+ }
+ break;
+
+ case OP_NOT_VSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ switch(c)
+ {
+ VSPACE_CASES: RRETURN(MATCH_NOMATCH);
+ default: break;
+ }
+ }
+ break;
+
+ case OP_VSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ switch(c)
+ {
+ VSPACE_CASES: break;
+ default: RRETURN(MATCH_NOMATCH);
+ }
+ }
+ break;
+
+ case OP_NOT_DIGIT:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINC(c, eptr);
+ if (c < 128 && (md->ctypes[c] & ctype_digit) != 0)
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case OP_DIGIT:
+ for (i = 1; i <= min; i++)
+ {
+ pcre_uint32 cc;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ cc = UCHAR21(eptr);
+ if (cc >= 128 || (md->ctypes[cc] & ctype_digit) == 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ /* No need to skip more bytes - we know it's a 1-byte character */
+ }
+ break;
+
+ case OP_NOT_WHITESPACE:
+ for (i = 1; i <= min; i++)
+ {
+ pcre_uint32 cc;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ cc = UCHAR21(eptr);
+ if (cc < 128 && (md->ctypes[cc] & ctype_space) != 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ ACROSSCHAR(eptr < md->end_subject, *eptr, eptr++);
+ }
+ break;
+
+ case OP_WHITESPACE:
+ for (i = 1; i <= min; i++)
+ {
+ pcre_uint32 cc;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ cc = UCHAR21(eptr);
+ if (cc >= 128 || (md->ctypes[cc] & ctype_space) == 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ /* No need to skip more bytes - we know it's a 1-byte character */
+ }
+ break;
+
+ case OP_NOT_WORDCHAR:
+ for (i = 1; i <= min; i++)
+ {
+ pcre_uint32 cc;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ cc = UCHAR21(eptr);
+ if (cc < 128 && (md->ctypes[cc] & ctype_word) != 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ ACROSSCHAR(eptr < md->end_subject, *eptr, eptr++);
+ }
+ break;
+
+ case OP_WORDCHAR:
+ for (i = 1; i <= min; i++)
+ {
+ pcre_uint32 cc;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ cc = UCHAR21(eptr);
+ if (cc >= 128 || (md->ctypes[cc] & ctype_word) == 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ /* No need to skip more bytes - we know it's a 1-byte character */
+ }
+ break;
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ } /* End switch(ctype) */
+
+ else
+#endif /* SUPPORT_UTF */
+
+ /* Code for the non-UTF-8 case for minimum matching of operators other
+ than OP_PROP and OP_NOTPROP. */
+
+ switch(ctype)
+ {
+ case OP_ANY:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (IS_NEWLINE(eptr)) RRETURN(MATCH_NOMATCH);
+ if (md->partial != 0 &&
+ eptr + 1 >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ *eptr == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ eptr++;
+ }
+ break;
+
+ case OP_ALLANY:
+ if (eptr > md->end_subject - min)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr += min;
+ break;
+
+ case OP_ANYBYTE:
+ if (eptr > md->end_subject - min)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ eptr += min;
+ break;
+
+ case OP_ANYNL:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ switch(*eptr++)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+
+ case CHAR_CR:
+ if (eptr < md->end_subject && *eptr == CHAR_LF) eptr++;
+ break;
+
+ case CHAR_LF:
+ break;
+
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ case 0x2028:
+ case 0x2029:
+#endif
+ if (md->bsr_anycrlf) RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ }
+ break;
+
+ case OP_NOT_HSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ switch(*eptr++)
+ {
+ default: break;
+ HSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ HSPACE_MULTIBYTE_CASES:
+#endif
+ RRETURN(MATCH_NOMATCH);
+ }
+ }
+ break;
+
+ case OP_HSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ switch(*eptr++)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+ HSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ HSPACE_MULTIBYTE_CASES:
+#endif
+ break;
+ }
+ }
+ break;
+
+ case OP_NOT_VSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ switch(*eptr++)
+ {
+ VSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ VSPACE_MULTIBYTE_CASES:
+#endif
+ RRETURN(MATCH_NOMATCH);
+ default: break;
+ }
+ }
+ break;
+
+ case OP_VSPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ switch(*eptr++)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+ VSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ VSPACE_MULTIBYTE_CASES:
+#endif
+ break;
+ }
+ }
+ break;
+
+ case OP_NOT_DIGIT:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (MAX_255(*eptr) && (md->ctypes[*eptr] & ctype_digit) != 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ break;
+
+ case OP_DIGIT:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (!MAX_255(*eptr) || (md->ctypes[*eptr] & ctype_digit) == 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ break;
+
+ case OP_NOT_WHITESPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (MAX_255(*eptr) && (md->ctypes[*eptr] & ctype_space) != 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ break;
+
+ case OP_WHITESPACE:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (!MAX_255(*eptr) || (md->ctypes[*eptr] & ctype_space) == 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ break;
+
+ case OP_NOT_WORDCHAR:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (MAX_255(*eptr) && (md->ctypes[*eptr] & ctype_word) != 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ break;
+
+ case OP_WORDCHAR:
+ for (i = 1; i <= min; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (!MAX_255(*eptr) || (md->ctypes[*eptr] & ctype_word) == 0)
+ RRETURN(MATCH_NOMATCH);
+ eptr++;
+ }
+ break;
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+ }
+
+ /* If min = max, continue at the same level without recursing */
+
+ if (min == max) continue;
+
+ /* If minimizing, we have to test the rest of the pattern before each
+ subsequent match. Again, separate the UTF-8 case for speed, and also
+ separate the UCP cases. */
+
+ if (minimize)
+ {
+#ifdef SUPPORT_UCP
+ if (prop_type >= 0)
+ {
+ switch(prop_type)
+ {
+ case PT_ANY:
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM36);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if (prop_fail_result) RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ case PT_LAMP:
+ for (fi = min;; fi++)
+ {
+ int chartype;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM37);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ chartype = UCD_CHARTYPE(c);
+ if ((chartype == ucp_Lu ||
+ chartype == ucp_Ll ||
+ chartype == ucp_Lt) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ case PT_GC:
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM38);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((UCD_CATEGORY(c) == prop_value) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ case PT_PC:
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM39);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((UCD_CHARTYPE(c) == prop_value) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ case PT_SC:
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM40);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((UCD_SCRIPT(c) == prop_value) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ case PT_ALNUM:
+ for (fi = min;; fi++)
+ {
+ int category;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM59);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ category = UCD_CATEGORY(c);
+ if ((category == ucp_L || category == ucp_N) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM61);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ if (prop_fail_result) RRETURN(MATCH_NOMATCH);
+ break;
+
+ default:
+ if ((UCD_CATEGORY(c) == ucp_Z) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ }
+ /* Control never gets here */
+
+ case PT_WORD:
+ for (fi = min;; fi++)
+ {
+ int category;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM62);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ category = UCD_CATEGORY(c);
+ if ((category == ucp_L ||
+ category == ucp_N ||
+ c == CHAR_UNDERSCORE)
+ == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ case PT_CLIST:
+ for (fi = min;; fi++)
+ {
+ const pcre_uint32 *cp;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM67);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ cp = PRIV(ucd_caseless_sets) + prop_value;
+ for (;;)
+ {
+ if (c < *cp)
+ { if (prop_fail_result) break; else { RRETURN(MATCH_NOMATCH); } }
+ if (c == *cp++)
+ { if (prop_fail_result) { RRETURN(MATCH_NOMATCH); } else break; }
+ }
+ }
+ /* Control never gets here */
+
+ case PT_UCNC:
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM60);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ GETCHARINCTEST(c, eptr);
+ if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000) == prop_fail_result)
+ RRETURN(MATCH_NOMATCH);
+ }
+ /* Control never gets here */
+
+ /* This should never occur */
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+ }
+
+ /* Match extended Unicode sequences. We will get here only if the
+ support is in the binary; otherwise a compile-time error occurs. */
+
+ else if (ctype == OP_EXTUNI)
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM41);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ else
+ {
+ int lgb, rgb;
+ GETCHARINCTEST(c, eptr);
+ lgb = UCD_GRAPHBREAK(c);
+ while (eptr < md->end_subject)
+ {
+ int len = 1;
+ if (!utf) c = *eptr; else { GETCHARLEN(c, eptr, len); }
+ rgb = UCD_GRAPHBREAK(c);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ lgb = rgb;
+ eptr += len;
+ }
+ }
+ CHECK_PARTIAL();
+ }
+ }
+ else
+#endif /* SUPPORT_UCP */
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM42);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (ctype == OP_ANY && IS_NEWLINE(eptr))
+ RRETURN(MATCH_NOMATCH);
+ GETCHARINC(c, eptr);
+ switch(ctype)
+ {
+ case OP_ANY: /* This is the non-NL case */
+ if (md->partial != 0 && /* Take care with CRLF partial */
+ eptr >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ break;
+
+ case OP_ALLANY:
+ case OP_ANYBYTE:
+ break;
+
+ case OP_ANYNL:
+ switch(c)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+ case CHAR_CR:
+ if (eptr < md->end_subject && UCHAR21(eptr) == CHAR_LF) eptr++;
+ break;
+
+ case CHAR_LF:
+ break;
+
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#ifndef EBCDIC
+ case 0x2028:
+ case 0x2029:
+#endif /* Not EBCDIC */
+ if (md->bsr_anycrlf) RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ break;
+
+ case OP_NOT_HSPACE:
+ switch(c)
+ {
+ HSPACE_CASES: RRETURN(MATCH_NOMATCH);
+ default: break;
+ }
+ break;
+
+ case OP_HSPACE:
+ switch(c)
+ {
+ HSPACE_CASES: break;
+ default: RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case OP_NOT_VSPACE:
+ switch(c)
+ {
+ VSPACE_CASES: RRETURN(MATCH_NOMATCH);
+ default: break;
+ }
+ break;
+
+ case OP_VSPACE:
+ switch(c)
+ {
+ VSPACE_CASES: break;
+ default: RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case OP_NOT_DIGIT:
+ if (c < 256 && (md->ctypes[c] & ctype_digit) != 0)
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_DIGIT:
+ if (c >= 256 || (md->ctypes[c] & ctype_digit) == 0)
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_NOT_WHITESPACE:
+ if (c < 256 && (md->ctypes[c] & ctype_space) != 0)
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_WHITESPACE:
+ if (c >= 256 || (md->ctypes[c] & ctype_space) == 0)
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_NOT_WORDCHAR:
+ if (c < 256 && (md->ctypes[c] & ctype_word) != 0)
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_WORDCHAR:
+ if (c >= 256 || (md->ctypes[c] & ctype_word) == 0)
+ RRETURN(MATCH_NOMATCH);
+ break;
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+ }
+ }
+ else
+#endif
+ /* Not UTF mode */
+ {
+ for (fi = min;; fi++)
+ {
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM43);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ if (fi >= max) RRETURN(MATCH_NOMATCH);
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ RRETURN(MATCH_NOMATCH);
+ }
+ if (ctype == OP_ANY && IS_NEWLINE(eptr))
+ RRETURN(MATCH_NOMATCH);
+ c = *eptr++;
+ switch(ctype)
+ {
+ case OP_ANY: /* This is the non-NL case */
+ if (md->partial != 0 && /* Take care with CRLF partial */
+ eptr >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ c == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ break;
+
+ case OP_ALLANY:
+ case OP_ANYBYTE:
+ break;
+
+ case OP_ANYNL:
+ switch(c)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+ case CHAR_CR:
+ if (eptr < md->end_subject && *eptr == CHAR_LF) eptr++;
+ break;
+
+ case CHAR_LF:
+ break;
+
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_NEL:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ case 0x2028:
+ case 0x2029:
+#endif
+ if (md->bsr_anycrlf) RRETURN(MATCH_NOMATCH);
+ break;
+ }
+ break;
+
+ case OP_NOT_HSPACE:
+ switch(c)
+ {
+ default: break;
+ HSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ HSPACE_MULTIBYTE_CASES:
+#endif
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case OP_HSPACE:
+ switch(c)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+ HSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ HSPACE_MULTIBYTE_CASES:
+#endif
+ break;
+ }
+ break;
+
+ case OP_NOT_VSPACE:
+ switch(c)
+ {
+ default: break;
+ VSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ VSPACE_MULTIBYTE_CASES:
+#endif
+ RRETURN(MATCH_NOMATCH);
+ }
+ break;
+
+ case OP_VSPACE:
+ switch(c)
+ {
+ default: RRETURN(MATCH_NOMATCH);
+ VSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ VSPACE_MULTIBYTE_CASES:
+#endif
+ break;
+ }
+ break;
+
+ case OP_NOT_DIGIT:
+ if (MAX_255(c) && (md->ctypes[c] & ctype_digit) != 0) RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_DIGIT:
+ if (!MAX_255(c) || (md->ctypes[c] & ctype_digit) == 0) RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_NOT_WHITESPACE:
+ if (MAX_255(c) && (md->ctypes[c] & ctype_space) != 0) RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_WHITESPACE:
+ if (!MAX_255(c) || (md->ctypes[c] & ctype_space) == 0) RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_NOT_WORDCHAR:
+ if (MAX_255(c) && (md->ctypes[c] & ctype_word) != 0) RRETURN(MATCH_NOMATCH);
+ break;
+
+ case OP_WORDCHAR:
+ if (!MAX_255(c) || (md->ctypes[c] & ctype_word) == 0) RRETURN(MATCH_NOMATCH);
+ break;
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+ }
+ }
+ /* Control never gets here */
+ }
+
+ /* If maximizing, it is worth using inline code for speed, doing the type
+ test once at the start (i.e. keep it out of the loop). Again, keep the
+ UTF-8 and UCP stuff separate. */
+
+ else
+ {
+ pp = eptr; /* Remember where we started */
+
+#ifdef SUPPORT_UCP
+ if (prop_type >= 0)
+ {
+ switch(prop_type)
+ {
+ case PT_ANY:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ if (prop_fail_result) break;
+ eptr+= len;
+ }
+ break;
+
+ case PT_LAMP:
+ for (i = min; i < max; i++)
+ {
+ int chartype;
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ chartype = UCD_CHARTYPE(c);
+ if ((chartype == ucp_Lu ||
+ chartype == ucp_Ll ||
+ chartype == ucp_Lt) == prop_fail_result)
+ break;
+ eptr+= len;
+ }
+ break;
+
+ case PT_GC:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ if ((UCD_CATEGORY(c) == prop_value) == prop_fail_result) break;
+ eptr+= len;
+ }
+ break;
+
+ case PT_PC:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ if ((UCD_CHARTYPE(c) == prop_value) == prop_fail_result) break;
+ eptr+= len;
+ }
+ break;
+
+ case PT_SC:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ if ((UCD_SCRIPT(c) == prop_value) == prop_fail_result) break;
+ eptr+= len;
+ }
+ break;
+
+ case PT_ALNUM:
+ for (i = min; i < max; i++)
+ {
+ int category;
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ category = UCD_CATEGORY(c);
+ if ((category == ucp_L || category == ucp_N) == prop_fail_result)
+ break;
+ eptr+= len;
+ }
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ if (prop_fail_result) goto ENDLOOP99; /* Break the loop */
+ break;
+
+ default:
+ if ((UCD_CATEGORY(c) == ucp_Z) == prop_fail_result)
+ goto ENDLOOP99; /* Break the loop */
+ break;
+ }
+ eptr+= len;
+ }
+ ENDLOOP99:
+ break;
+
+ case PT_WORD:
+ for (i = min; i < max; i++)
+ {
+ int category;
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ category = UCD_CATEGORY(c);
+ if ((category == ucp_L || category == ucp_N ||
+ c == CHAR_UNDERSCORE) == prop_fail_result)
+ break;
+ eptr+= len;
+ }
+ break;
+
+ case PT_CLIST:
+ for (i = min; i < max; i++)
+ {
+ const pcre_uint32 *cp;
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ cp = PRIV(ucd_caseless_sets) + prop_value;
+ for (;;)
+ {
+ if (c < *cp)
+ { if (prop_fail_result) break; else goto GOT_MAX; }
+ if (c == *cp++)
+ { if (prop_fail_result) goto GOT_MAX; else break; }
+ }
+ eptr += len;
+ }
+ GOT_MAX:
+ break;
+
+ case PT_UCNC:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLENTEST(c, eptr, len);
+ if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT || (c >= 0xa0 && c <= 0xd7ff) ||
+ c >= 0xe000) == prop_fail_result)
+ break;
+ eptr += len;
+ }
+ break;
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+
+ /* eptr is now past the end of the maximum run */
+
+ if (possessive) continue; /* No backtracking */
+ for(;;)
+ {
+ if (eptr <= pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM44);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ if (utf) BACKCHAR(eptr);
+ }
+ }
+
+ /* Match extended Unicode grapheme clusters. We will get here only if the
+ support is in the binary; otherwise a compile-time error occurs. */
+
+ else if (ctype == OP_EXTUNI)
+ {
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ else
+ {
+ int lgb, rgb;
+ GETCHARINCTEST(c, eptr);
+ lgb = UCD_GRAPHBREAK(c);
+ while (eptr < md->end_subject)
+ {
+ int len = 1;
+ if (!utf) c = *eptr; else { GETCHARLEN(c, eptr, len); }
+ rgb = UCD_GRAPHBREAK(c);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ lgb = rgb;
+ eptr += len;
+ }
+ }
+ CHECK_PARTIAL();
+ }
+
+ /* eptr is now past the end of the maximum run */
+
+ if (possessive) continue; /* No backtracking */
+
+ /* We use <= pp rather than == pp to detect the start of the run while
+ backtracking because the use of \C in UTF mode can cause BACKCHAR to
+ move back past pp. This is just palliative; the use of \C in UTF mode
+ is fraught with danger. */
+
+ for(;;)
+ {
+ int lgb, rgb;
+ PCRE_PUCHAR fptr;
+
+ if (eptr <= pp) goto TAIL_RECURSE; /* At start of char run */
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM45);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+
+ /* Backtracking over an extended grapheme cluster involves inspecting
+ the previous two characters (if present) to see if a break is
+ permitted between them. */
+
+ eptr--;
+ if (!utf) c = *eptr; else
+ {
+ BACKCHAR(eptr);
+ GETCHAR(c, eptr);
+ }
+ rgb = UCD_GRAPHBREAK(c);
+
+ for (;;)
+ {
+ if (eptr <= pp) goto TAIL_RECURSE; /* At start of char run */
+ fptr = eptr - 1;
+ if (!utf) c = *fptr; else
+ {
+ BACKCHAR(fptr);
+ GETCHAR(c, fptr);
+ }
+ lgb = UCD_GRAPHBREAK(c);
+ if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
+ eptr = fptr;
+ rgb = lgb;
+ }
+ }
+ }
+
+ else
+#endif /* SUPPORT_UCP */
+
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ switch(ctype)
+ {
+ case OP_ANY:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (IS_NEWLINE(eptr)) break;
+ if (md->partial != 0 && /* Take care with CRLF partial */
+ eptr + 1 >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ UCHAR21(eptr) == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ eptr++;
+ ACROSSCHAR(eptr < md->end_subject, *eptr, eptr++);
+ }
+ break;
+
+ case OP_ALLANY:
+ if (max < INT_MAX)
+ {
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ eptr++;
+ ACROSSCHAR(eptr < md->end_subject, *eptr, eptr++);
+ }
+ }
+ else
+ {
+ eptr = md->end_subject; /* Unlimited UTF-8 repeat */
+ SCHECK_PARTIAL();
+ }
+ break;
+
+ /* The byte case is the same as non-UTF8 */
+
+ case OP_ANYBYTE:
+ c = max - min;
+ if (c > (unsigned int)(md->end_subject - eptr))
+ {
+ eptr = md->end_subject;
+ SCHECK_PARTIAL();
+ }
+ else eptr += c;
+ break;
+
+ case OP_ANYNL:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c == CHAR_CR)
+ {
+ if (++eptr >= md->end_subject) break;
+ if (UCHAR21(eptr) == CHAR_LF) eptr++;
+ }
+ else
+ {
+ if (c != CHAR_LF &&
+ (md->bsr_anycrlf ||
+ (c != CHAR_VT && c != CHAR_FF && c != CHAR_NEL
+#ifndef EBCDIC
+ && c != 0x2028 && c != 0x2029
+#endif /* Not EBCDIC */
+ )))
+ break;
+ eptr += len;
+ }
+ }
+ break;
+
+ case OP_NOT_HSPACE:
+ case OP_HSPACE:
+ for (i = min; i < max; i++)
+ {
+ BOOL gotspace;
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ switch(c)
+ {
+ HSPACE_CASES: gotspace = TRUE; break;
+ default: gotspace = FALSE; break;
+ }
+ if (gotspace == (ctype == OP_NOT_HSPACE)) break;
+ eptr += len;
+ }
+ break;
+
+ case OP_NOT_VSPACE:
+ case OP_VSPACE:
+ for (i = min; i < max; i++)
+ {
+ BOOL gotspace;
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ switch(c)
+ {
+ VSPACE_CASES: gotspace = TRUE; break;
+ default: gotspace = FALSE; break;
+ }
+ if (gotspace == (ctype == OP_NOT_VSPACE)) break;
+ eptr += len;
+ }
+ break;
+
+ case OP_NOT_DIGIT:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c < 256 && (md->ctypes[c] & ctype_digit) != 0) break;
+ eptr+= len;
+ }
+ break;
+
+ case OP_DIGIT:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c >= 256 ||(md->ctypes[c] & ctype_digit) == 0) break;
+ eptr+= len;
+ }
+ break;
+
+ case OP_NOT_WHITESPACE:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c < 256 && (md->ctypes[c] & ctype_space) != 0) break;
+ eptr+= len;
+ }
+ break;
+
+ case OP_WHITESPACE:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c >= 256 ||(md->ctypes[c] & ctype_space) == 0) break;
+ eptr+= len;
+ }
+ break;
+
+ case OP_NOT_WORDCHAR:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c < 256 && (md->ctypes[c] & ctype_word) != 0) break;
+ eptr+= len;
+ }
+ break;
+
+ case OP_WORDCHAR:
+ for (i = min; i < max; i++)
+ {
+ int len = 1;
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ GETCHARLEN(c, eptr, len);
+ if (c >= 256 || (md->ctypes[c] & ctype_word) == 0) break;
+ eptr+= len;
+ }
+ break;
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+
+ if (possessive) continue; /* No backtracking */
+ for(;;)
+ {
+ if (eptr <= pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM46);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ BACKCHAR(eptr);
+ if (ctype == OP_ANYNL && eptr > pp && UCHAR21(eptr) == CHAR_NL &&
+ UCHAR21(eptr - 1) == CHAR_CR) eptr--;
+ }
+ }
+ else
+#endif /* SUPPORT_UTF */
+ /* Not UTF mode */
+ {
+ switch(ctype)
+ {
+ case OP_ANY:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (IS_NEWLINE(eptr)) break;
+ if (md->partial != 0 && /* Take care with CRLF partial */
+ eptr + 1 >= md->end_subject &&
+ NLBLOCK->nltype == NLTYPE_FIXED &&
+ NLBLOCK->nllen == 2 &&
+ *eptr == NLBLOCK->nl[0])
+ {
+ md->hitend = TRUE;
+ if (md->partial > 1) RRETURN(PCRE_ERROR_PARTIAL);
+ }
+ eptr++;
+ }
+ break;
+
+ case OP_ALLANY:
+ case OP_ANYBYTE:
+ c = max - min;
+ if (c > (unsigned int)(md->end_subject - eptr))
+ {
+ eptr = md->end_subject;
+ SCHECK_PARTIAL();
+ }
+ else eptr += c;
+ break;
+
+ case OP_ANYNL:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ c = *eptr;
+ if (c == CHAR_CR)
+ {
+ if (++eptr >= md->end_subject) break;
+ if (*eptr == CHAR_LF) eptr++;
+ }
+ else
+ {
+ if (c != CHAR_LF && (md->bsr_anycrlf ||
+ (c != CHAR_VT && c != CHAR_FF && c != CHAR_NEL
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ && c != 0x2028 && c != 0x2029
+#endif
+ ))) break;
+ eptr++;
+ }
+ }
+ break;
+
+ case OP_NOT_HSPACE:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ switch(*eptr)
+ {
+ default: eptr++; break;
+ HSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ HSPACE_MULTIBYTE_CASES:
+#endif
+ goto ENDLOOP00;
+ }
+ }
+ ENDLOOP00:
+ break;
+
+ case OP_HSPACE:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ switch(*eptr)
+ {
+ default: goto ENDLOOP01;
+ HSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ HSPACE_MULTIBYTE_CASES:
+#endif
+ eptr++; break;
+ }
+ }
+ ENDLOOP01:
+ break;
+
+ case OP_NOT_VSPACE:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ switch(*eptr)
+ {
+ default: eptr++; break;
+ VSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ VSPACE_MULTIBYTE_CASES:
+#endif
+ goto ENDLOOP02;
+ }
+ }
+ ENDLOOP02:
+ break;
+
+ case OP_VSPACE:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ switch(*eptr)
+ {
+ default: goto ENDLOOP03;
+ VSPACE_BYTE_CASES:
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ VSPACE_MULTIBYTE_CASES:
+#endif
+ eptr++; break;
+ }
+ }
+ ENDLOOP03:
+ break;
+
+ case OP_NOT_DIGIT:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (MAX_255(*eptr) && (md->ctypes[*eptr] & ctype_digit) != 0) break;
+ eptr++;
+ }
+ break;
+
+ case OP_DIGIT:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (!MAX_255(*eptr) || (md->ctypes[*eptr] & ctype_digit) == 0) break;
+ eptr++;
+ }
+ break;
+
+ case OP_NOT_WHITESPACE:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (MAX_255(*eptr) && (md->ctypes[*eptr] & ctype_space) != 0) break;
+ eptr++;
+ }
+ break;
+
+ case OP_WHITESPACE:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (!MAX_255(*eptr) || (md->ctypes[*eptr] & ctype_space) == 0) break;
+ eptr++;
+ }
+ break;
+
+ case OP_NOT_WORDCHAR:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (MAX_255(*eptr) && (md->ctypes[*eptr] & ctype_word) != 0) break;
+ eptr++;
+ }
+ break;
+
+ case OP_WORDCHAR:
+ for (i = min; i < max; i++)
+ {
+ if (eptr >= md->end_subject)
+ {
+ SCHECK_PARTIAL();
+ break;
+ }
+ if (!MAX_255(*eptr) || (md->ctypes[*eptr] & ctype_word) == 0) break;
+ eptr++;
+ }
+ break;
+
+ default:
+ RRETURN(PCRE_ERROR_INTERNAL);
+ }
+
+ if (possessive) continue; /* No backtracking */
+ for (;;)
+ {
+ if (eptr == pp) goto TAIL_RECURSE;
+ RMATCH(eptr, ecode, offset_top, md, eptrb, RM47);
+ if (rrc != MATCH_NOMATCH) RRETURN(rrc);
+ eptr--;
+ if (ctype == OP_ANYNL && eptr > pp && *eptr == CHAR_LF &&
+ eptr[-1] == CHAR_CR) eptr--;
+ }
+ }
+
+ /* Control never gets here */
+ }
+
+ /* There's been some horrible disaster. Arrival here can only mean there is
+ something seriously wrong in the code above or the OP_xxx definitions. */
+
+ default:
+ DPRINTF(("Unknown opcode %d\n", *ecode));
+ RRETURN(PCRE_ERROR_UNKNOWN_OPCODE);
+ }
+
+ /* Do not stick any code in here without much thought; it is assumed
+ that "continue" in the code above comes out to here to repeat the main
+ loop. */
+
+ } /* End of main loop */
+/* Control never reaches here */
+
+
+/* When compiling to use the heap rather than the stack for recursive calls to
+match(), the RRETURN() macro jumps here. The number that is saved in
+frame->Xwhere indicates which label we actually want to return to. */
+
+#ifdef NO_RECURSE
+#define LBL(val) case val: goto L_RM##val;
+HEAP_RETURN:
+switch (frame->Xwhere)
+ {
+ LBL( 1) LBL( 2) LBL( 3) LBL( 4) LBL( 5) LBL( 6) LBL( 7) LBL( 8)
+ LBL( 9) LBL(10) LBL(11) LBL(12) LBL(13) LBL(14) LBL(15) LBL(17)
+ LBL(19) LBL(24) LBL(25) LBL(26) LBL(27) LBL(29) LBL(31) LBL(33)
+ LBL(35) LBL(43) LBL(47) LBL(48) LBL(49) LBL(50) LBL(51) LBL(52)
+ LBL(53) LBL(54) LBL(55) LBL(56) LBL(57) LBL(58) LBL(63) LBL(64)
+ LBL(65) LBL(66)
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ LBL(20) LBL(21)
+#endif
+#ifdef SUPPORT_UTF
+ LBL(16) LBL(18)
+ LBL(22) LBL(23) LBL(28) LBL(30)
+ LBL(32) LBL(34) LBL(42) LBL(46)
+#ifdef SUPPORT_UCP
+ LBL(36) LBL(37) LBL(38) LBL(39) LBL(40) LBL(41) LBL(44) LBL(45)
+ LBL(59) LBL(60) LBL(61) LBL(62) LBL(67)
+#endif /* SUPPORT_UCP */
+#endif /* SUPPORT_UTF */
+ default:
+ DPRINTF(("jump error in pcre match: label %d non-existent\n", frame->Xwhere));
+ return PCRE_ERROR_INTERNAL;
+ }
+#undef LBL
+#endif /* NO_RECURSE */
+}
+
+
+/***************************************************************************
+****************************************************************************
+ RECURSION IN THE match() FUNCTION
+
+Undefine all the macros that were defined above to handle this. */
+
+#ifdef NO_RECURSE
+#undef eptr
+#undef ecode
+#undef mstart
+#undef offset_top
+#undef eptrb
+#undef flags
+
+#undef callpat
+#undef charptr
+#undef data
+#undef next
+#undef pp
+#undef prev
+#undef saved_eptr
+
+#undef new_recursive
+
+#undef cur_is_word
+#undef condition
+#undef prev_is_word
+
+#undef ctype
+#undef length
+#undef max
+#undef min
+#undef number
+#undef offset
+#undef op
+#undef save_capture_last
+#undef save_offset1
+#undef save_offset2
+#undef save_offset3
+#undef stacksave
+
+#undef newptrb
+
+#endif
+
+/* These two are defined as macros in both cases */
+
+#undef fc
+#undef fi
+
+/***************************************************************************
+***************************************************************************/
+
+
+#ifdef NO_RECURSE
+/*************************************************
+* Release allocated heap frames *
+*************************************************/
+
+/* This function releases all the allocated frames. The base frame is on the
+machine stack, and so must not be freed.
+
+Argument: the address of the base frame
+Returns: nothing
+*/
+
+static void
+release_match_heapframes (heapframe *frame_base)
+{
+heapframe *nextframe = frame_base->Xnextframe;
+while (nextframe != NULL)
+ {
+ heapframe *oldframe = nextframe;
+ nextframe = nextframe->Xnextframe;
+ (PUBL(stack_free))(oldframe);
+ }
+}
+#endif
+
+
+/*************************************************
+* Execute a Regular Expression *
+*************************************************/
+
+/* This function applies a compiled re to a subject string and picks out
+portions of the string if it matches. Two elements in the vector are set for
+each substring: the offsets to the start and end of the substring.
+
+Arguments:
+ argument_re points to the compiled expression
+ extra_data points to extra data or is NULL
+ subject points to the subject string
+ length length of subject string (may contain binary zeros)
+ start_offset where to start in the subject string
+ options option bits
+ offsets points to a vector of ints to be filled in with offsets
+ offsetcount the number of elements in the vector
+
+Returns: > 0 => success; value is the number of elements filled in
+ = 0 => success, but offsets is not big enough
+ -1 => failed to match
+ < -1 => some kind of unexpected problem
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_exec(const pcre *argument_re, const pcre_extra *extra_data,
+ PCRE_SPTR subject, int length, int start_offset, int options, int *offsets,
+ int offsetcount)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_exec(const pcre16 *argument_re, const pcre16_extra *extra_data,
+ PCRE_SPTR16 subject, int length, int start_offset, int options, int *offsets,
+ int offsetcount)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_exec(const pcre32 *argument_re, const pcre32_extra *extra_data,
+ PCRE_SPTR32 subject, int length, int start_offset, int options, int *offsets,
+ int offsetcount)
+#endif
+{
+int rc, ocount, arg_offset_max;
+int newline;
+BOOL using_temporary_offsets = FALSE;
+BOOL anchored;
+BOOL startline;
+BOOL firstline;
+BOOL utf;
+BOOL has_first_char = FALSE;
+BOOL has_req_char = FALSE;
+pcre_uchar first_char = 0;
+pcre_uchar first_char2 = 0;
+pcre_uchar req_char = 0;
+pcre_uchar req_char2 = 0;
+match_data match_block;
+match_data *md = &match_block;
+const pcre_uint8 *tables;
+const pcre_uint8 *start_bits = NULL;
+PCRE_PUCHAR start_match = (PCRE_PUCHAR)subject + start_offset;
+PCRE_PUCHAR end_subject;
+PCRE_PUCHAR start_partial = NULL;
+PCRE_PUCHAR match_partial = NULL;
+PCRE_PUCHAR req_char_ptr = start_match - 1;
+
+const pcre_study_data *study;
+const REAL_PCRE *re = (const REAL_PCRE *)argument_re;
+
+#ifdef NO_RECURSE
+heapframe frame_zero;
+frame_zero.Xprevframe = NULL; /* Marks the top level */
+frame_zero.Xnextframe = NULL; /* None are allocated yet */
+md->match_frames_base = &frame_zero;
+#endif
+
+/* Check for the special magic call that measures the size of the stack used
+per recursive call of match(). Without the funny casting for sizeof, a Windows
+compiler gave this error: "unary minus operator applied to unsigned type,
+result still unsigned". Hopefully the cast fixes that. */
+
+if (re == NULL && extra_data == NULL && subject == NULL && length == -999 &&
+ start_offset == -999)
+#ifdef NO_RECURSE
+ return -((int)sizeof(heapframe));
+#else
+ return match(NULL, NULL, NULL, 0, NULL, NULL, 0);
+#endif
+
+/* Plausibility checks */
+
+if ((options & ~PUBLIC_EXEC_OPTIONS) != 0) return PCRE_ERROR_BADOPTION;
+if (re == NULL || subject == NULL || (offsets == NULL && offsetcount > 0))
+ return PCRE_ERROR_NULL;
+if (offsetcount < 0) return PCRE_ERROR_BADCOUNT;
+if (length < 0) return PCRE_ERROR_BADLENGTH;
+if (start_offset < 0 || start_offset > length) return PCRE_ERROR_BADOFFSET;
+
+/* Check that the first field in the block is the magic number. If it is not,
+return with PCRE_ERROR_BADMAGIC. However, if the magic number is equal to
+REVERSED_MAGIC_NUMBER we return with PCRE_ERROR_BADENDIANNESS, which
+means that the pattern is likely compiled with different endianness. */
+
+if (re->magic_number != MAGIC_NUMBER)
+ return re->magic_number == REVERSED_MAGIC_NUMBER?
+ PCRE_ERROR_BADENDIANNESS:PCRE_ERROR_BADMAGIC;
+if ((re->flags & PCRE_MODE) == 0) return PCRE_ERROR_BADMODE;
+
+/* These two settings are used in the code for checking a UTF-8 string that
+follows immediately afterwards. Other values in the md block are used only
+during "normal" pcre_exec() processing, not when the JIT support is in use,
+so they are set up later. */
+
+/* PCRE_UTF16 has the same value as PCRE_UTF8. */
+utf = md->utf = (re->options & PCRE_UTF8) != 0;
+md->partial = ((options & PCRE_PARTIAL_HARD) != 0)? 2 :
+ ((options & PCRE_PARTIAL_SOFT) != 0)? 1 : 0;
+
+/* Check a UTF-8 string if required. Pass back the character offset and error
+code for an invalid string if a results vector is available. */
+
+#ifdef SUPPORT_UTF
+if (utf && (options & PCRE_NO_UTF8_CHECK) == 0)
+ {
+ int erroroffset;
+ int errorcode = PRIV(valid_utf)((PCRE_PUCHAR)subject, length, &erroroffset);
+ if (errorcode != 0)
+ {
+ if (offsetcount >= 2)
+ {
+ offsets[0] = erroroffset;
+ offsets[1] = errorcode;
+ }
+#if defined COMPILE_PCRE8
+ return (errorcode <= PCRE_UTF8_ERR5 && md->partial > 1)?
+ PCRE_ERROR_SHORTUTF8 : PCRE_ERROR_BADUTF8;
+#elif defined COMPILE_PCRE16
+ return (errorcode <= PCRE_UTF16_ERR1 && md->partial > 1)?
+ PCRE_ERROR_SHORTUTF16 : PCRE_ERROR_BADUTF16;
+#elif defined COMPILE_PCRE32
+ return PCRE_ERROR_BADUTF32;
+#endif
+ }
+#if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
+ /* Check that a start_offset points to the start of a UTF character. */
+ if (start_offset > 0 && start_offset < length &&
+ NOT_FIRSTCHAR(((PCRE_PUCHAR)subject)[start_offset]))
+ return PCRE_ERROR_BADUTF8_OFFSET;
+#endif
+ }
+#endif
+
+/* If the pattern was successfully studied with JIT support, run the JIT
+executable instead of the rest of this function. Most options must be set at
+compile time for the JIT code to be usable. Fallback to the normal code path if
+an unsupported flag is set. */
+
+#ifdef SUPPORT_JIT
+if (extra_data != NULL
+ && (extra_data->flags & (PCRE_EXTRA_EXECUTABLE_JIT |
+ PCRE_EXTRA_TABLES)) == PCRE_EXTRA_EXECUTABLE_JIT
+ && extra_data->executable_jit != NULL
+ && (options & ~PUBLIC_JIT_EXEC_OPTIONS) == 0)
+ {
+ rc = PRIV(jit_exec)(extra_data, (const pcre_uchar *)subject, length,
+ start_offset, options, offsets, offsetcount);
+
+ /* PCRE_ERROR_NULL means that the selected normal or partial matching
+ mode is not compiled. In this case we simply fallback to interpreter. */
+
+ if (rc != PCRE_ERROR_JIT_BADOPTION) return rc;
+ }
+#endif
+
+/* Carry on with non-JIT matching. This information is for finding all the
+numbers associated with a given name, for condition testing. */
+
+md->name_table = (pcre_uchar *)re + re->name_table_offset;
+md->name_count = re->name_count;
+md->name_entry_size = re->name_entry_size;
+
+/* Fish out the optional data from the extra_data structure, first setting
+the default values. */
+
+study = NULL;
+md->match_limit = MATCH_LIMIT;
+md->match_limit_recursion = MATCH_LIMIT_RECURSION;
+md->callout_data = NULL;
+
+/* The table pointer is always in native byte order. */
+
+tables = re->tables;
+
+/* The two limit values override the defaults, whatever their value. */
+
+if (extra_data != NULL)
+ {
+ unsigned long int flags = extra_data->flags;
+ if ((flags & PCRE_EXTRA_STUDY_DATA) != 0)
+ study = (const pcre_study_data *)extra_data->study_data;
+ if ((flags & PCRE_EXTRA_MATCH_LIMIT) != 0)
+ md->match_limit = extra_data->match_limit;
+ if ((flags & PCRE_EXTRA_MATCH_LIMIT_RECURSION) != 0)
+ md->match_limit_recursion = extra_data->match_limit_recursion;
+ if ((flags & PCRE_EXTRA_CALLOUT_DATA) != 0)
+ md->callout_data = extra_data->callout_data;
+ if ((flags & PCRE_EXTRA_TABLES) != 0) tables = extra_data->tables;
+ }
+
+/* Limits in the regex override only if they are smaller. */
+
+if ((re->flags & PCRE_MLSET) != 0 && re->limit_match < md->match_limit)
+ md->match_limit = re->limit_match;
+
+if ((re->flags & PCRE_RLSET) != 0 &&
+ re->limit_recursion < md->match_limit_recursion)
+ md->match_limit_recursion = re->limit_recursion;
+
+/* If the exec call supplied NULL for tables, use the inbuilt ones. This
+is a feature that makes it possible to save compiled regex and re-use them
+in other programs later. */
+
+if (tables == NULL) tables = PRIV(default_tables);
+
+/* Set up other data */
+
+anchored = ((re->options | options) & PCRE_ANCHORED) != 0;
+startline = (re->flags & PCRE_STARTLINE) != 0;
+firstline = (re->options & PCRE_FIRSTLINE) != 0;
+
+/* The code starts after the real_pcre block and the capture name table. */
+
+md->start_code = (const pcre_uchar *)re + re->name_table_offset +
+ re->name_count * re->name_entry_size;
+
+md->start_subject = (PCRE_PUCHAR)subject;
+md->start_offset = start_offset;
+md->end_subject = md->start_subject + length;
+end_subject = md->end_subject;
+
+md->endonly = (re->options & PCRE_DOLLAR_ENDONLY) != 0;
+md->use_ucp = (re->options & PCRE_UCP) != 0;
+md->jscript_compat = (re->options & PCRE_JAVASCRIPT_COMPAT) != 0;
+md->ignore_skip_arg = 0;
+
+/* Some options are unpacked into BOOL variables in the hope that testing
+them will be faster than individual option bits. */
+
+md->notbol = (options & PCRE_NOTBOL) != 0;
+md->noteol = (options & PCRE_NOTEOL) != 0;
+md->notempty = (options & PCRE_NOTEMPTY) != 0;
+md->notempty_atstart = (options & PCRE_NOTEMPTY_ATSTART) != 0;
+
+md->hitend = FALSE;
+md->mark = md->nomatch_mark = NULL; /* In case never set */
+
+md->recursive = NULL; /* No recursion at top level */
+md->hasthen = (re->flags & PCRE_HASTHEN) != 0;
+
+md->lcc = tables + lcc_offset;
+md->fcc = tables + fcc_offset;
+md->ctypes = tables + ctypes_offset;
+
+/* Handle different \R options. */
+
+switch (options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE))
+ {
+ case 0:
+ if ((re->options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) != 0)
+ md->bsr_anycrlf = (re->options & PCRE_BSR_ANYCRLF) != 0;
+ else
+#ifdef BSR_ANYCRLF
+ md->bsr_anycrlf = TRUE;
+#else
+ md->bsr_anycrlf = FALSE;
+#endif
+ break;
+
+ case PCRE_BSR_ANYCRLF:
+ md->bsr_anycrlf = TRUE;
+ break;
+
+ case PCRE_BSR_UNICODE:
+ md->bsr_anycrlf = FALSE;
+ break;
+
+ default: return PCRE_ERROR_BADNEWLINE;
+ }
+
+/* Handle different types of newline. The three bits give eight cases. If
+nothing is set at run time, whatever was used at compile time applies. */
+
+switch ((((options & PCRE_NEWLINE_BITS) == 0)? re->options :
+ (pcre_uint32)options) & PCRE_NEWLINE_BITS)
+ {
+ case 0: newline = NEWLINE; break; /* Compile-time default */
+ case PCRE_NEWLINE_CR: newline = CHAR_CR; break;
+ case PCRE_NEWLINE_LF: newline = CHAR_NL; break;
+ case PCRE_NEWLINE_CR+
+ PCRE_NEWLINE_LF: newline = (CHAR_CR << 8) | CHAR_NL; break;
+ case PCRE_NEWLINE_ANY: newline = -1; break;
+ case PCRE_NEWLINE_ANYCRLF: newline = -2; break;
+ default: return PCRE_ERROR_BADNEWLINE;
+ }
+
+if (newline == -2)
+ {
+ md->nltype = NLTYPE_ANYCRLF;
+ }
+else if (newline < 0)
+ {
+ md->nltype = NLTYPE_ANY;
+ }
+else
+ {
+ md->nltype = NLTYPE_FIXED;
+ if (newline > 255)
+ {
+ md->nllen = 2;
+ md->nl[0] = (newline >> 8) & 255;
+ md->nl[1] = newline & 255;
+ }
+ else
+ {
+ md->nllen = 1;
+ md->nl[0] = newline;
+ }
+ }
+
+/* Partial matching was originally supported only for a restricted set of
+regexes; from release 8.00 there are no restrictions, but the bits are still
+defined (though never set). So there's no harm in leaving this code. */
+
+if (md->partial && (re->flags & PCRE_NOPARTIAL) != 0)
+ return PCRE_ERROR_BADPARTIAL;
+
+/* If the expression has got more back references than the offsets supplied can
+hold, we get a temporary chunk of working store to use during the matching.
+Otherwise, we can use the vector supplied, rounding down its size to a multiple
+of 3. */
+
+ocount = offsetcount - (offsetcount % 3);
+arg_offset_max = (2*ocount)/3;
+
+if (re->top_backref > 0 && re->top_backref >= ocount/3)
+ {
+ ocount = re->top_backref * 3 + 3;
+ md->offset_vector = (int *)(PUBL(malloc))(ocount * sizeof(int));
+ if (md->offset_vector == NULL) return PCRE_ERROR_NOMEMORY;
+ using_temporary_offsets = TRUE;
+ DPRINTF(("Got memory to hold back references\n"));
+ }
+else md->offset_vector = offsets;
+md->offset_end = ocount;
+md->offset_max = (2*ocount)/3;
+md->capture_last = 0;
+
+/* Reset the working variable associated with each extraction. These should
+never be used unless previously set, but they get saved and restored, and so we
+initialize them to avoid reading uninitialized locations. Also, unset the
+offsets for the matched string. This is really just for tidiness with callouts,
+in case they inspect these fields. */
+
+if (md->offset_vector != NULL)
+ {
+ register int *iptr = md->offset_vector + ocount;
+ register int *iend = iptr - re->top_bracket;
+ if (iend < md->offset_vector + 2) iend = md->offset_vector + 2;
+ while (--iptr >= iend) *iptr = -1;
+ if (offsetcount > 0) md->offset_vector[0] = -1;
+ if (offsetcount > 1) md->offset_vector[1] = -1;
+ }
+
+/* Set up the first character to match, if available. The first_char value is
+never set for an anchored regular expression, but the anchoring may be forced
+at run time, so we have to test for anchoring. The first char may be unset for
+an unanchored pattern, of course. If there's no first char and the pattern was
+studied, there may be a bitmap of possible first characters. */
+
+if (!anchored)
+ {
+ if ((re->flags & PCRE_FIRSTSET) != 0)
+ {
+ has_first_char = TRUE;
+ first_char = first_char2 = (pcre_uchar)(re->first_char);
+ if ((re->flags & PCRE_FCH_CASELESS) != 0)
+ {
+ first_char2 = TABLE_GET(first_char, md->fcc, first_char);
+#if defined SUPPORT_UCP && !(defined COMPILE_PCRE8)
+ if (utf && first_char > 127)
+ first_char2 = UCD_OTHERCASE(first_char);
+#endif
+ }
+ }
+ else
+ if (!startline && study != NULL &&
+ (study->flags & PCRE_STUDY_MAPPED) != 0)
+ start_bits = study->start_bits;
+ }
+
+/* For anchored or unanchored matches, there may be a "last known required
+character" set. */
+
+if ((re->flags & PCRE_REQCHSET) != 0)
+ {
+ has_req_char = TRUE;
+ req_char = req_char2 = (pcre_uchar)(re->req_char);
+ if ((re->flags & PCRE_RCH_CASELESS) != 0)
+ {
+ req_char2 = TABLE_GET(req_char, md->fcc, req_char);
+#if defined SUPPORT_UCP && !(defined COMPILE_PCRE8)
+ if (utf && req_char > 127)
+ req_char2 = UCD_OTHERCASE(req_char);
+#endif
+ }
+ }
+
+
+/* ==========================================================================*/
+
+/* Loop for handling unanchored repeated matching attempts; for anchored regexs
+the loop runs just once. */
+
+for(;;)
+ {
+ PCRE_PUCHAR save_end_subject = end_subject;
+ PCRE_PUCHAR new_start_match;
+
+ /* If firstline is TRUE, the start of the match is constrained to the first
+ line of a multiline string. That is, the match must be before or at the first
+ newline. Implement this by temporarily adjusting end_subject so that we stop
+ scanning at a newline. If the match fails at the newline, later code breaks
+ this loop. */
+
+ if (firstline)
+ {
+ PCRE_PUCHAR t = start_match;
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ while (t < md->end_subject && !IS_NEWLINE(t))
+ {
+ t++;
+ ACROSSCHAR(t < end_subject, *t, t++);
+ }
+ }
+ else
+#endif
+ while (t < md->end_subject && !IS_NEWLINE(t)) t++;
+ end_subject = t;
+ }
+
+ /* There are some optimizations that avoid running the match if a known
+ starting point is not found, or if a known later character is not present.
+ However, there is an option that disables these, for testing and for ensuring
+ that all callouts do actually occur. The option can be set in the regex by
+ (*NO_START_OPT) or passed in match-time options. */
+
+ if (((options | re->options) & PCRE_NO_START_OPTIMIZE) == 0)
+ {
+ /* Advance to a unique first char if there is one. */
+
+ if (has_first_char)
+ {
+ pcre_uchar smc;
+
+ if (first_char != first_char2)
+ while (start_match < end_subject &&
+ (smc = UCHAR21TEST(start_match)) != first_char && smc != first_char2)
+ start_match++;
+ else
+ while (start_match < end_subject && UCHAR21TEST(start_match) != first_char)
+ start_match++;
+ }
+
+ /* Or to just after a linebreak for a multiline match */
+
+ else if (startline)
+ {
+ if (start_match > md->start_subject + start_offset)
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ while (start_match < end_subject && !WAS_NEWLINE(start_match))
+ {
+ start_match++;
+ ACROSSCHAR(start_match < end_subject, *start_match,
+ start_match++);
+ }
+ }
+ else
+#endif
+ while (start_match < end_subject && !WAS_NEWLINE(start_match))
+ start_match++;
+
+ /* If we have just passed a CR and the newline option is ANY or ANYCRLF,
+ and we are now at a LF, advance the match position by one more character.
+ */
+
+ if (start_match[-1] == CHAR_CR &&
+ (md->nltype == NLTYPE_ANY || md->nltype == NLTYPE_ANYCRLF) &&
+ start_match < end_subject &&
+ UCHAR21TEST(start_match) == CHAR_NL)
+ start_match++;
+ }
+ }
+
+ /* Or to a non-unique first byte after study */
+
+ else if (start_bits != NULL)
+ {
+ while (start_match < end_subject)
+ {
+ register pcre_uint32 c = UCHAR21TEST(start_match);
+#ifndef COMPILE_PCRE8
+ if (c > 255) c = 255;
+#endif
+ if ((start_bits[c/8] & (1 << (c&7))) != 0) break;
+ start_match++;
+ }
+ }
+ } /* Starting optimizations */
+
+ /* Restore fudged end_subject */
+
+ end_subject = save_end_subject;
+
+ /* The following two optimizations are disabled for partial matching or if
+ disabling is explicitly requested. */
+
+ if (((options | re->options) & PCRE_NO_START_OPTIMIZE) == 0 && !md->partial)
+ {
+ /* If the pattern was studied, a minimum subject length may be set. This is
+ a lower bound; no actual string of that length may actually match the
+ pattern. Although the value is, strictly, in characters, we treat it as
+ bytes to avoid spending too much time in this optimization. */
+
+ if (study != NULL && (study->flags & PCRE_STUDY_MINLEN) != 0 &&
+ (pcre_uint32)(end_subject - start_match) < study->minlength)
+ {
+ rc = MATCH_NOMATCH;
+ break;
+ }
+
+ /* If req_char is set, we know that that character must appear in the
+ subject for the match to succeed. If the first character is set, req_char
+ must be later in the subject; otherwise the test starts at the match point.
+ This optimization can save a huge amount of backtracking in patterns with
+ nested unlimited repeats that aren't going to match. Writing separate code
+ for cased/caseless versions makes it go faster, as does using an
+ autoincrement and backing off on a match.
+
+ HOWEVER: when the subject string is very, very long, searching to its end
+ can take a long time, and give bad performance on quite ordinary patterns.
+ This showed up when somebody was matching something like /^\d+C/ on a
+ 32-megabyte string... so we don't do this when the string is sufficiently
+ long. */
+
+ if (has_req_char && end_subject - start_match < REQ_BYTE_MAX)
+ {
+ register PCRE_PUCHAR p = start_match + (has_first_char? 1:0);
+
+ /* We don't need to repeat the search if we haven't yet reached the
+ place we found it at last time. */
+
+ if (p > req_char_ptr)
+ {
+ if (req_char != req_char2)
+ {
+ while (p < end_subject)
+ {
+ register pcre_uint32 pp = UCHAR21INCTEST(p);
+ if (pp == req_char || pp == req_char2) { p--; break; }
+ }
+ }
+ else
+ {
+ while (p < end_subject)
+ {
+ if (UCHAR21INCTEST(p) == req_char) { p--; break; }
+ }
+ }
+
+ /* If we can't find the required character, break the matching loop,
+ forcing a match failure. */
+
+ if (p >= end_subject)
+ {
+ rc = MATCH_NOMATCH;
+ break;
+ }
+
+ /* If we have found the required character, save the point where we
+ found it, so that we don't search again next time round the loop if
+ the start hasn't passed this character yet. */
+
+ req_char_ptr = p;
+ }
+ }
+ }
+
+#ifdef PCRE_DEBUG /* Sigh. Some compilers never learn. */
+ printf(">>>> Match against: ");
+ pchars(start_match, end_subject - start_match, TRUE, md);
+ printf("\n");
+#endif
+
+ /* OK, we can now run the match. If "hitend" is set afterwards, remember the
+ first starting point for which a partial match was found. */
+
+ md->start_match_ptr = start_match;
+ md->start_used_ptr = start_match;
+ md->match_call_count = 0;
+ md->match_function_type = 0;
+ md->end_offset_top = 0;
+ md->skip_arg_count = 0;
+ rc = match(start_match, md->start_code, start_match, 2, md, NULL, 0);
+ if (md->hitend && start_partial == NULL)
+ {
+ start_partial = md->start_used_ptr;
+ match_partial = start_match;
+ }
+
+ switch(rc)
+ {
+ /* If MATCH_SKIP_ARG reaches this level it means that a MARK that matched
+ the SKIP's arg was not found. In this circumstance, Perl ignores the SKIP
+ entirely. The only way we can do that is to re-do the match at the same
+ point, with a flag to force SKIP with an argument to be ignored. Just
+ treating this case as NOMATCH does not work because it does not check other
+ alternatives in patterns such as A(*SKIP:A)B|AC when the subject is AC. */
+
+ case MATCH_SKIP_ARG:
+ new_start_match = start_match;
+ md->ignore_skip_arg = md->skip_arg_count;
+ break;
+
+ /* SKIP passes back the next starting point explicitly, but if it is no
+ greater than the match we have just done, treat it as NOMATCH. */
+
+ case MATCH_SKIP:
+ if (md->start_match_ptr > start_match)
+ {
+ new_start_match = md->start_match_ptr;
+ break;
+ }
+ /* Fall through */
+
+ /* NOMATCH and PRUNE advance by one character. THEN at this level acts
+ exactly like PRUNE. Unset ignore SKIP-with-argument. */
+
+ case MATCH_NOMATCH:
+ case MATCH_PRUNE:
+ case MATCH_THEN:
+ md->ignore_skip_arg = 0;
+ new_start_match = start_match + 1;
+#ifdef SUPPORT_UTF
+ if (utf)
+ ACROSSCHAR(new_start_match < end_subject, *new_start_match,
+ new_start_match++);
+#endif
+ break;
+
+ /* COMMIT disables the bumpalong, but otherwise behaves as NOMATCH. */
+
+ case MATCH_COMMIT:
+ rc = MATCH_NOMATCH;
+ goto ENDLOOP;
+
+ /* Any other return is either a match, or some kind of error. */
+
+ default:
+ goto ENDLOOP;
+ }
+
+ /* Control reaches here for the various types of "no match at this point"
+ result. Reset the code to MATCH_NOMATCH for subsequent checking. */
+
+ rc = MATCH_NOMATCH;
+
+ /* If PCRE_FIRSTLINE is set, the match must happen before or at the first
+ newline in the subject (though it may continue over the newline). Therefore,
+ if we have just failed to match, starting at a newline, do not continue. */
+
+ if (firstline && IS_NEWLINE(start_match)) break;
+
+ /* Advance to new matching position */
+
+ start_match = new_start_match;
+
+ /* Break the loop if the pattern is anchored or if we have passed the end of
+ the subject. */
+
+ if (anchored || start_match > end_subject) break;
+
+ /* If we have just passed a CR and we are now at a LF, and the pattern does
+ not contain any explicit matches for \r or \n, and the newline option is CRLF
+ or ANY or ANYCRLF, advance the match position by one more character. In
+ normal matching start_match will aways be greater than the first position at
+ this stage, but a failed *SKIP can cause a return at the same point, which is
+ why the first test exists. */
+
+ if (start_match > (PCRE_PUCHAR)subject + start_offset &&
+ start_match[-1] == CHAR_CR &&
+ start_match < end_subject &&
+ *start_match == CHAR_NL &&
+ (re->flags & PCRE_HASCRORLF) == 0 &&
+ (md->nltype == NLTYPE_ANY ||
+ md->nltype == NLTYPE_ANYCRLF ||
+ md->nllen == 2))
+ start_match++;
+
+ md->mark = NULL; /* Reset for start of next match attempt */
+ } /* End of for(;;) "bumpalong" loop */
+
+/* ==========================================================================*/
+
+/* We reach here when rc is not MATCH_NOMATCH, or if one of the stopping
+conditions is true:
+
+(1) The pattern is anchored or the match was failed by (*COMMIT);
+
+(2) We are past the end of the subject;
+
+(3) PCRE_FIRSTLINE is set and we have failed to match at a newline, because
+ this option requests that a match occur at or before the first newline in
+ the subject.
+
+When we have a match and the offset vector is big enough to deal with any
+backreferences, captured substring offsets will already be set up. In the case
+where we had to get some local store to hold offsets for backreference
+processing, copy those that we can. In this case there need not be overflow if
+certain parts of the pattern were not used, even though there are more
+capturing parentheses than vector slots. */
+
+ENDLOOP:
+
+if (rc == MATCH_MATCH || rc == MATCH_ACCEPT)
+ {
+ if (using_temporary_offsets)
+ {
+ if (arg_offset_max >= 4)
+ {
+ memcpy(offsets + 2, md->offset_vector + 2,
+ (arg_offset_max - 2) * sizeof(int));
+ DPRINTF(("Copied offsets from temporary memory\n"));
+ }
+ if (md->end_offset_top > arg_offset_max) md->capture_last |= OVFLBIT;
+ DPRINTF(("Freeing temporary memory\n"));
+ (PUBL(free))(md->offset_vector);
+ }
+
+ /* Set the return code to the number of captured strings, or 0 if there were
+ too many to fit into the vector. */
+
+ rc = ((md->capture_last & OVFLBIT) != 0 &&
+ md->end_offset_top >= arg_offset_max)?
+ 0 : md->end_offset_top/2;
+
+ /* If there is space in the offset vector, set any unused pairs at the end of
+ the pattern to -1 for backwards compatibility. It is documented that this
+ happens. In earlier versions, the whole set of potential capturing offsets
+ was set to -1 each time round the loop, but this is handled differently now.
+ "Gaps" are set to -1 dynamically instead (this fixes a bug). Thus, it is only
+ those at the end that need unsetting here. We can't just unset them all at
+ the start of the whole thing because they may get set in one branch that is
+ not the final matching branch. */
+
+ if (md->end_offset_top/2 <= re->top_bracket && offsets != NULL)
+ {
+ register int *iptr, *iend;
+ int resetcount = 2 + re->top_bracket * 2;
+ if (resetcount > offsetcount) resetcount = offsetcount;
+ iptr = offsets + md->end_offset_top;
+ iend = offsets + resetcount;
+ while (iptr < iend) *iptr++ = -1;
+ }
+
+ /* If there is space, set up the whole thing as substring 0. The value of
+ md->start_match_ptr might be modified if \K was encountered on the success
+ matching path. */
+
+ if (offsetcount < 2) rc = 0; else
+ {
+ offsets[0] = (int)(md->start_match_ptr - md->start_subject);
+ offsets[1] = (int)(md->end_match_ptr - md->start_subject);
+ }
+
+ /* Return MARK data if requested */
+
+ if (extra_data != NULL && (extra_data->flags & PCRE_EXTRA_MARK) != 0)
+ *(extra_data->mark) = (pcre_uchar *)md->mark;
+ DPRINTF((">>>> returning %d\n", rc));
+#ifdef NO_RECURSE
+ release_match_heapframes(&frame_zero);
+#endif
+ return rc;
+ }
+
+/* Control gets here if there has been an error, or if the overall match
+attempt has failed at all permitted starting positions. */
+
+if (using_temporary_offsets)
+ {
+ DPRINTF(("Freeing temporary memory\n"));
+ (PUBL(free))(md->offset_vector);
+ }
+
+/* For anything other than nomatch or partial match, just return the code. */
+
+if (rc != MATCH_NOMATCH && rc != PCRE_ERROR_PARTIAL)
+ {
+ DPRINTF((">>>> error: returning %d\n", rc));
+#ifdef NO_RECURSE
+ release_match_heapframes(&frame_zero);
+#endif
+ return rc;
+ }
+
+/* Handle partial matches - disable any mark data */
+
+if (match_partial != NULL)
+ {
+ DPRINTF((">>>> returning PCRE_ERROR_PARTIAL\n"));
+ md->mark = NULL;
+ if (offsetcount > 1)
+ {
+ offsets[0] = (int)(start_partial - (PCRE_PUCHAR)subject);
+ offsets[1] = (int)(end_subject - (PCRE_PUCHAR)subject);
+ if (offsetcount > 2)
+ offsets[2] = (int)(match_partial - (PCRE_PUCHAR)subject);
+ }
+ rc = PCRE_ERROR_PARTIAL;
+ }
+
+/* This is the classic nomatch case */
+
+else
+ {
+ DPRINTF((">>>> returning PCRE_ERROR_NOMATCH\n"));
+ rc = PCRE_ERROR_NOMATCH;
+ }
+
+/* Return the MARK data if it has been requested. */
+
+if (extra_data != NULL && (extra_data->flags & PCRE_EXTRA_MARK) != 0)
+ *(extra_data->mark) = (pcre_uchar *)md->nomatch_mark;
+#ifdef NO_RECURSE
+ release_match_heapframes(&frame_zero);
+#endif
+return rc;
+}
+
+/* End of pcre_exec.c */
diff --git a/deps/pcre/pcre_fullinfo.c b/deps/pcre/pcre_fullinfo.c
new file mode 100644
index 0000000..a6c2ece
--- /dev/null
+++ b/deps/pcre/pcre_fullinfo.c
@@ -0,0 +1,245 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2013 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains the external function pcre_fullinfo(), which returns
+information about a compiled pattern. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Return info about compiled pattern *
+*************************************************/
+
+/* This is a newer "info" function which has an extensible interface so
+that additional items can be added compatibly.
+
+Arguments:
+ argument_re points to compiled code
+ extra_data points extra data, or NULL
+ what what information is required
+ where where to put the information
+
+Returns: 0 if data returned, negative on error
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_fullinfo(const pcre *argument_re, const pcre_extra *extra_data,
+ int what, void *where)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_fullinfo(const pcre16 *argument_re, const pcre16_extra *extra_data,
+ int what, void *where)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_fullinfo(const pcre32 *argument_re, const pcre32_extra *extra_data,
+ int what, void *where)
+#endif
+{
+const REAL_PCRE *re = (const REAL_PCRE *)argument_re;
+const pcre_study_data *study = NULL;
+
+if (re == NULL || where == NULL) return PCRE_ERROR_NULL;
+
+if (extra_data != NULL && (extra_data->flags & PCRE_EXTRA_STUDY_DATA) != 0)
+ study = (const pcre_study_data *)extra_data->study_data;
+
+/* Check that the first field in the block is the magic number. If it is not,
+return with PCRE_ERROR_BADMAGIC. However, if the magic number is equal to
+REVERSED_MAGIC_NUMBER we return with PCRE_ERROR_BADENDIANNESS, which
+means that the pattern is likely compiled with different endianness. */
+
+if (re->magic_number != MAGIC_NUMBER)
+ return re->magic_number == REVERSED_MAGIC_NUMBER?
+ PCRE_ERROR_BADENDIANNESS:PCRE_ERROR_BADMAGIC;
+
+/* Check that this pattern was compiled in the correct bit mode */
+
+if ((re->flags & PCRE_MODE) == 0) return PCRE_ERROR_BADMODE;
+
+switch (what)
+ {
+ case PCRE_INFO_OPTIONS:
+ *((unsigned long int *)where) = re->options & PUBLIC_COMPILE_OPTIONS;
+ break;
+
+ case PCRE_INFO_SIZE:
+ *((size_t *)where) = re->size;
+ break;
+
+ case PCRE_INFO_STUDYSIZE:
+ *((size_t *)where) = (study == NULL)? 0 : study->size;
+ break;
+
+ case PCRE_INFO_JITSIZE:
+#ifdef SUPPORT_JIT
+ *((size_t *)where) =
+ (extra_data != NULL &&
+ (extra_data->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0 &&
+ extra_data->executable_jit != NULL)?
+ PRIV(jit_get_size)(extra_data->executable_jit) : 0;
+#else
+ *((size_t *)where) = 0;
+#endif
+ break;
+
+ case PCRE_INFO_CAPTURECOUNT:
+ *((int *)where) = re->top_bracket;
+ break;
+
+ case PCRE_INFO_BACKREFMAX:
+ *((int *)where) = re->top_backref;
+ break;
+
+ case PCRE_INFO_FIRSTBYTE:
+ *((int *)where) =
+ ((re->flags & PCRE_FIRSTSET) != 0)? (int)re->first_char :
+ ((re->flags & PCRE_STARTLINE) != 0)? -1 : -2;
+ break;
+
+ case PCRE_INFO_FIRSTCHARACTER:
+ *((pcre_uint32 *)where) =
+ (re->flags & PCRE_FIRSTSET) != 0 ? re->first_char : 0;
+ break;
+
+ case PCRE_INFO_FIRSTCHARACTERFLAGS:
+ *((int *)where) =
+ ((re->flags & PCRE_FIRSTSET) != 0) ? 1 :
+ ((re->flags & PCRE_STARTLINE) != 0) ? 2 : 0;
+ break;
+
+ /* Make sure we pass back the pointer to the bit vector in the external
+ block, not the internal copy (with flipped integer fields). */
+
+ case PCRE_INFO_FIRSTTABLE:
+ *((const pcre_uint8 **)where) =
+ (study != NULL && (study->flags & PCRE_STUDY_MAPPED) != 0)?
+ ((const pcre_study_data *)extra_data->study_data)->start_bits : NULL;
+ break;
+
+ case PCRE_INFO_MINLENGTH:
+ *((int *)where) =
+ (study != NULL && (study->flags & PCRE_STUDY_MINLEN) != 0)?
+ (int)(study->minlength) : -1;
+ break;
+
+ case PCRE_INFO_JIT:
+ *((int *)where) = extra_data != NULL &&
+ (extra_data->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0 &&
+ extra_data->executable_jit != NULL;
+ break;
+
+ case PCRE_INFO_LASTLITERAL:
+ *((int *)where) =
+ ((re->flags & PCRE_REQCHSET) != 0)? (int)re->req_char : -1;
+ break;
+
+ case PCRE_INFO_REQUIREDCHAR:
+ *((pcre_uint32 *)where) =
+ ((re->flags & PCRE_REQCHSET) != 0) ? re->req_char : 0;
+ break;
+
+ case PCRE_INFO_REQUIREDCHARFLAGS:
+ *((int *)where) =
+ ((re->flags & PCRE_REQCHSET) != 0);
+ break;
+
+ case PCRE_INFO_NAMEENTRYSIZE:
+ *((int *)where) = re->name_entry_size;
+ break;
+
+ case PCRE_INFO_NAMECOUNT:
+ *((int *)where) = re->name_count;
+ break;
+
+ case PCRE_INFO_NAMETABLE:
+ *((const pcre_uchar **)where) = (const pcre_uchar *)re + re->name_table_offset;
+ break;
+
+ case PCRE_INFO_DEFAULT_TABLES:
+ *((const pcre_uint8 **)where) = (const pcre_uint8 *)(PRIV(default_tables));
+ break;
+
+ /* From release 8.00 this will always return TRUE because NOPARTIAL is
+ no longer ever set (the restrictions have been removed). */
+
+ case PCRE_INFO_OKPARTIAL:
+ *((int *)where) = (re->flags & PCRE_NOPARTIAL) == 0;
+ break;
+
+ case PCRE_INFO_JCHANGED:
+ *((int *)where) = (re->flags & PCRE_JCHANGED) != 0;
+ break;
+
+ case PCRE_INFO_HASCRORLF:
+ *((int *)where) = (re->flags & PCRE_HASCRORLF) != 0;
+ break;
+
+ case PCRE_INFO_MAXLOOKBEHIND:
+ *((int *)where) = re->max_lookbehind;
+ break;
+
+ case PCRE_INFO_MATCHLIMIT:
+ if ((re->flags & PCRE_MLSET) == 0) return PCRE_ERROR_UNSET;
+ *((pcre_uint32 *)where) = re->limit_match;
+ break;
+
+ case PCRE_INFO_RECURSIONLIMIT:
+ if ((re->flags & PCRE_RLSET) == 0) return PCRE_ERROR_UNSET;
+ *((pcre_uint32 *)where) = re->limit_recursion;
+ break;
+
+ case PCRE_INFO_MATCH_EMPTY:
+ *((int *)where) = (re->flags & PCRE_MATCH_EMPTY) != 0;
+ break;
+
+ default: return PCRE_ERROR_BADOPTION;
+ }
+
+return 0;
+}
+
+/* End of pcre_fullinfo.c */
diff --git a/deps/pcre/pcre_get.c b/deps/pcre/pcre_get.c
new file mode 100644
index 0000000..9475d5e
--- /dev/null
+++ b/deps/pcre/pcre_get.c
@@ -0,0 +1,669 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains some convenience functions for extracting substrings
+from the subject string after a regex match has succeeded. The original idea
+for these functions came from Scott Wimer. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Find number for named string *
+*************************************************/
+
+/* This function is used by the get_first_set() function below, as well
+as being generally available. It assumes that names are unique.
+
+Arguments:
+ code the compiled regex
+ stringname the name whose number is required
+
+Returns: the number of the named parentheses, or a negative number
+ (PCRE_ERROR_NOSUBSTRING) if not found
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_get_stringnumber(const pcre *code, const char *stringname)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_get_stringnumber(const pcre16 *code, PCRE_SPTR16 stringname)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_get_stringnumber(const pcre32 *code, PCRE_SPTR32 stringname)
+#endif
+{
+int rc;
+int entrysize;
+int top, bot;
+pcre_uchar *nametable;
+
+#ifdef COMPILE_PCRE8
+if ((rc = pcre_fullinfo(code, NULL, PCRE_INFO_NAMECOUNT, &top)) != 0)
+ return rc;
+if (top <= 0) return PCRE_ERROR_NOSUBSTRING;
+
+if ((rc = pcre_fullinfo(code, NULL, PCRE_INFO_NAMEENTRYSIZE, &entrysize)) != 0)
+ return rc;
+if ((rc = pcre_fullinfo(code, NULL, PCRE_INFO_NAMETABLE, &nametable)) != 0)
+ return rc;
+#endif
+#ifdef COMPILE_PCRE16
+if ((rc = pcre16_fullinfo(code, NULL, PCRE_INFO_NAMECOUNT, &top)) != 0)
+ return rc;
+if (top <= 0) return PCRE_ERROR_NOSUBSTRING;
+
+if ((rc = pcre16_fullinfo(code, NULL, PCRE_INFO_NAMEENTRYSIZE, &entrysize)) != 0)
+ return rc;
+if ((rc = pcre16_fullinfo(code, NULL, PCRE_INFO_NAMETABLE, &nametable)) != 0)
+ return rc;
+#endif
+#ifdef COMPILE_PCRE32
+if ((rc = pcre32_fullinfo(code, NULL, PCRE_INFO_NAMECOUNT, &top)) != 0)
+ return rc;
+if (top <= 0) return PCRE_ERROR_NOSUBSTRING;
+
+if ((rc = pcre32_fullinfo(code, NULL, PCRE_INFO_NAMEENTRYSIZE, &entrysize)) != 0)
+ return rc;
+if ((rc = pcre32_fullinfo(code, NULL, PCRE_INFO_NAMETABLE, &nametable)) != 0)
+ return rc;
+#endif
+
+bot = 0;
+while (top > bot)
+ {
+ int mid = (top + bot) / 2;
+ pcre_uchar *entry = nametable + entrysize*mid;
+ int c = STRCMP_UC_UC((pcre_uchar *)stringname,
+ (pcre_uchar *)(entry + IMM2_SIZE));
+ if (c == 0) return GET2(entry, 0);
+ if (c > 0) bot = mid + 1; else top = mid;
+ }
+
+return PCRE_ERROR_NOSUBSTRING;
+}
+
+
+
+/*************************************************
+* Find (multiple) entries for named string *
+*************************************************/
+
+/* This is used by the get_first_set() function below, as well as being
+generally available. It is used when duplicated names are permitted.
+
+Arguments:
+ code the compiled regex
+ stringname the name whose entries required
+ firstptr where to put the pointer to the first entry
+ lastptr where to put the pointer to the last entry
+
+Returns: the length of each entry, or a negative number
+ (PCRE_ERROR_NOSUBSTRING) if not found
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_get_stringtable_entries(const pcre *code, const char *stringname,
+ char **firstptr, char **lastptr)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_get_stringtable_entries(const pcre16 *code, PCRE_SPTR16 stringname,
+ PCRE_UCHAR16 **firstptr, PCRE_UCHAR16 **lastptr)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_get_stringtable_entries(const pcre32 *code, PCRE_SPTR32 stringname,
+ PCRE_UCHAR32 **firstptr, PCRE_UCHAR32 **lastptr)
+#endif
+{
+int rc;
+int entrysize;
+int top, bot;
+pcre_uchar *nametable, *lastentry;
+
+#ifdef COMPILE_PCRE8
+if ((rc = pcre_fullinfo(code, NULL, PCRE_INFO_NAMECOUNT, &top)) != 0)
+ return rc;
+if (top <= 0) return PCRE_ERROR_NOSUBSTRING;
+
+if ((rc = pcre_fullinfo(code, NULL, PCRE_INFO_NAMEENTRYSIZE, &entrysize)) != 0)
+ return rc;
+if ((rc = pcre_fullinfo(code, NULL, PCRE_INFO_NAMETABLE, &nametable)) != 0)
+ return rc;
+#endif
+#ifdef COMPILE_PCRE16
+if ((rc = pcre16_fullinfo(code, NULL, PCRE_INFO_NAMECOUNT, &top)) != 0)
+ return rc;
+if (top <= 0) return PCRE_ERROR_NOSUBSTRING;
+
+if ((rc = pcre16_fullinfo(code, NULL, PCRE_INFO_NAMEENTRYSIZE, &entrysize)) != 0)
+ return rc;
+if ((rc = pcre16_fullinfo(code, NULL, PCRE_INFO_NAMETABLE, &nametable)) != 0)
+ return rc;
+#endif
+#ifdef COMPILE_PCRE32
+if ((rc = pcre32_fullinfo(code, NULL, PCRE_INFO_NAMECOUNT, &top)) != 0)
+ return rc;
+if (top <= 0) return PCRE_ERROR_NOSUBSTRING;
+
+if ((rc = pcre32_fullinfo(code, NULL, PCRE_INFO_NAMEENTRYSIZE, &entrysize)) != 0)
+ return rc;
+if ((rc = pcre32_fullinfo(code, NULL, PCRE_INFO_NAMETABLE, &nametable)) != 0)
+ return rc;
+#endif
+
+lastentry = nametable + entrysize * (top - 1);
+bot = 0;
+while (top > bot)
+ {
+ int mid = (top + bot) / 2;
+ pcre_uchar *entry = nametable + entrysize*mid;
+ int c = STRCMP_UC_UC((pcre_uchar *)stringname,
+ (pcre_uchar *)(entry + IMM2_SIZE));
+ if (c == 0)
+ {
+ pcre_uchar *first = entry;
+ pcre_uchar *last = entry;
+ while (first > nametable)
+ {
+ if (STRCMP_UC_UC((pcre_uchar *)stringname,
+ (pcre_uchar *)(first - entrysize + IMM2_SIZE)) != 0) break;
+ first -= entrysize;
+ }
+ while (last < lastentry)
+ {
+ if (STRCMP_UC_UC((pcre_uchar *)stringname,
+ (pcre_uchar *)(last + entrysize + IMM2_SIZE)) != 0) break;
+ last += entrysize;
+ }
+#if defined COMPILE_PCRE8
+ *firstptr = (char *)first;
+ *lastptr = (char *)last;
+#elif defined COMPILE_PCRE16
+ *firstptr = (PCRE_UCHAR16 *)first;
+ *lastptr = (PCRE_UCHAR16 *)last;
+#elif defined COMPILE_PCRE32
+ *firstptr = (PCRE_UCHAR32 *)first;
+ *lastptr = (PCRE_UCHAR32 *)last;
+#endif
+ return entrysize;
+ }
+ if (c > 0) bot = mid + 1; else top = mid;
+ }
+
+return PCRE_ERROR_NOSUBSTRING;
+}
+
+
+
+/*************************************************
+* Find first set of multiple named strings *
+*************************************************/
+
+/* This function allows for duplicate names in the table of named substrings.
+It returns the number of the first one that was set in a pattern match.
+
+Arguments:
+ code the compiled regex
+ stringname the name of the capturing substring
+ ovector the vector of matched substrings
+ stringcount number of captured substrings
+
+Returns: the number of the first that is set,
+ or the number of the last one if none are set,
+ or a negative number on error
+*/
+
+#if defined COMPILE_PCRE8
+static int
+get_first_set(const pcre *code, const char *stringname, int *ovector,
+ int stringcount)
+#elif defined COMPILE_PCRE16
+static int
+get_first_set(const pcre16 *code, PCRE_SPTR16 stringname, int *ovector,
+ int stringcount)
+#elif defined COMPILE_PCRE32
+static int
+get_first_set(const pcre32 *code, PCRE_SPTR32 stringname, int *ovector,
+ int stringcount)
+#endif
+{
+const REAL_PCRE *re = (const REAL_PCRE *)code;
+int entrysize;
+pcre_uchar *entry;
+#if defined COMPILE_PCRE8
+char *first, *last;
+#elif defined COMPILE_PCRE16
+PCRE_UCHAR16 *first, *last;
+#elif defined COMPILE_PCRE32
+PCRE_UCHAR32 *first, *last;
+#endif
+
+#if defined COMPILE_PCRE8
+if ((re->options & PCRE_DUPNAMES) == 0 && (re->flags & PCRE_JCHANGED) == 0)
+ return pcre_get_stringnumber(code, stringname);
+entrysize = pcre_get_stringtable_entries(code, stringname, &first, &last);
+#elif defined COMPILE_PCRE16
+if ((re->options & PCRE_DUPNAMES) == 0 && (re->flags & PCRE_JCHANGED) == 0)
+ return pcre16_get_stringnumber(code, stringname);
+entrysize = pcre16_get_stringtable_entries(code, stringname, &first, &last);
+#elif defined COMPILE_PCRE32
+if ((re->options & PCRE_DUPNAMES) == 0 && (re->flags & PCRE_JCHANGED) == 0)
+ return pcre32_get_stringnumber(code, stringname);
+entrysize = pcre32_get_stringtable_entries(code, stringname, &first, &last);
+#endif
+if (entrysize <= 0) return entrysize;
+for (entry = (pcre_uchar *)first; entry <= (pcre_uchar *)last; entry += entrysize)
+ {
+ int n = GET2(entry, 0);
+ if (n < stringcount && ovector[n*2] >= 0) return n;
+ }
+return GET2(entry, 0);
+}
+
+
+
+
+/*************************************************
+* Copy captured string to given buffer *
+*************************************************/
+
+/* This function copies a single captured substring into a given buffer.
+Note that we use memcpy() rather than strncpy() in case there are binary zeros
+in the string.
+
+Arguments:
+ subject the subject string that was matched
+ ovector pointer to the offsets table
+ stringcount the number of substrings that were captured
+ (i.e. the yield of the pcre_exec call, unless
+ that was zero, in which case it should be 1/3
+ of the offset table size)
+ stringnumber the number of the required substring
+ buffer where to put the substring
+ size the size of the buffer
+
+Returns: if successful:
+ the length of the copied string, not including the zero
+ that is put on the end; can be zero
+ if not successful:
+ PCRE_ERROR_NOMEMORY (-6) buffer too small
+ PCRE_ERROR_NOSUBSTRING (-7) no such captured substring
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_copy_substring(const char *subject, int *ovector, int stringcount,
+ int stringnumber, char *buffer, int size)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_copy_substring(PCRE_SPTR16 subject, int *ovector, int stringcount,
+ int stringnumber, PCRE_UCHAR16 *buffer, int size)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_copy_substring(PCRE_SPTR32 subject, int *ovector, int stringcount,
+ int stringnumber, PCRE_UCHAR32 *buffer, int size)
+#endif
+{
+int yield;
+if (stringnumber < 0 || stringnumber >= stringcount)
+ return PCRE_ERROR_NOSUBSTRING;
+stringnumber *= 2;
+yield = ovector[stringnumber+1] - ovector[stringnumber];
+if (size < yield + 1) return PCRE_ERROR_NOMEMORY;
+memcpy(buffer, subject + ovector[stringnumber], IN_UCHARS(yield));
+buffer[yield] = 0;
+return yield;
+}
+
+
+
+/*************************************************
+* Copy named captured string to given buffer *
+*************************************************/
+
+/* This function copies a single captured substring into a given buffer,
+identifying it by name. If the regex permits duplicate names, the first
+substring that is set is chosen.
+
+Arguments:
+ code the compiled regex
+ subject the subject string that was matched
+ ovector pointer to the offsets table
+ stringcount the number of substrings that were captured
+ (i.e. the yield of the pcre_exec call, unless
+ that was zero, in which case it should be 1/3
+ of the offset table size)
+ stringname the name of the required substring
+ buffer where to put the substring
+ size the size of the buffer
+
+Returns: if successful:
+ the length of the copied string, not including the zero
+ that is put on the end; can be zero
+ if not successful:
+ PCRE_ERROR_NOMEMORY (-6) buffer too small
+ PCRE_ERROR_NOSUBSTRING (-7) no such captured substring
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_copy_named_substring(const pcre *code, const char *subject,
+ int *ovector, int stringcount, const char *stringname,
+ char *buffer, int size)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_copy_named_substring(const pcre16 *code, PCRE_SPTR16 subject,
+ int *ovector, int stringcount, PCRE_SPTR16 stringname,
+ PCRE_UCHAR16 *buffer, int size)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_copy_named_substring(const pcre32 *code, PCRE_SPTR32 subject,
+ int *ovector, int stringcount, PCRE_SPTR32 stringname,
+ PCRE_UCHAR32 *buffer, int size)
+#endif
+{
+int n = get_first_set(code, stringname, ovector, stringcount);
+if (n <= 0) return n;
+#if defined COMPILE_PCRE8
+return pcre_copy_substring(subject, ovector, stringcount, n, buffer, size);
+#elif defined COMPILE_PCRE16
+return pcre16_copy_substring(subject, ovector, stringcount, n, buffer, size);
+#elif defined COMPILE_PCRE32
+return pcre32_copy_substring(subject, ovector, stringcount, n, buffer, size);
+#endif
+}
+
+
+
+/*************************************************
+* Copy all captured strings to new store *
+*************************************************/
+
+/* This function gets one chunk of store and builds a list of pointers and all
+of the captured substrings in it. A NULL pointer is put on the end of the list.
+
+Arguments:
+ subject the subject string that was matched
+ ovector pointer to the offsets table
+ stringcount the number of substrings that were captured
+ (i.e. the yield of the pcre_exec call, unless
+ that was zero, in which case it should be 1/3
+ of the offset table size)
+ listptr set to point to the list of pointers
+
+Returns: if successful: 0
+ if not successful:
+ PCRE_ERROR_NOMEMORY (-6) failed to get store
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_get_substring_list(const char *subject, int *ovector, int stringcount,
+ const char ***listptr)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_get_substring_list(PCRE_SPTR16 subject, int *ovector, int stringcount,
+ PCRE_SPTR16 **listptr)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_get_substring_list(PCRE_SPTR32 subject, int *ovector, int stringcount,
+ PCRE_SPTR32 **listptr)
+#endif
+{
+int i;
+int size = sizeof(pcre_uchar *);
+int double_count = stringcount * 2;
+pcre_uchar **stringlist;
+pcre_uchar *p;
+
+for (i = 0; i < double_count; i += 2)
+ {
+ size += sizeof(pcre_uchar *) + IN_UCHARS(1);
+ if (ovector[i+1] > ovector[i]) size += IN_UCHARS(ovector[i+1] - ovector[i]);
+ }
+
+stringlist = (pcre_uchar **)(PUBL(malloc))(size);
+if (stringlist == NULL) return PCRE_ERROR_NOMEMORY;
+
+#if defined COMPILE_PCRE8
+*listptr = (const char **)stringlist;
+#elif defined COMPILE_PCRE16
+*listptr = (PCRE_SPTR16 *)stringlist;
+#elif defined COMPILE_PCRE32
+*listptr = (PCRE_SPTR32 *)stringlist;
+#endif
+p = (pcre_uchar *)(stringlist + stringcount + 1);
+
+for (i = 0; i < double_count; i += 2)
+ {
+ int len = (ovector[i+1] > ovector[i])? (ovector[i+1] - ovector[i]) : 0;
+ memcpy(p, subject + ovector[i], IN_UCHARS(len));
+ *stringlist++ = p;
+ p += len;
+ *p++ = 0;
+ }
+
+*stringlist = NULL;
+return 0;
+}
+
+
+
+/*************************************************
+* Free store obtained by get_substring_list *
+*************************************************/
+
+/* This function exists for the benefit of people calling PCRE from non-C
+programs that can call its functions, but not free() or (PUBL(free))()
+directly.
+
+Argument: the result of a previous pcre_get_substring_list()
+Returns: nothing
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN void PCRE_CALL_CONVENTION
+pcre_free_substring_list(const char **pointer)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN void PCRE_CALL_CONVENTION
+pcre16_free_substring_list(PCRE_SPTR16 *pointer)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN void PCRE_CALL_CONVENTION
+pcre32_free_substring_list(PCRE_SPTR32 *pointer)
+#endif
+{
+(PUBL(free))((void *)pointer);
+}
+
+
+
+/*************************************************
+* Copy captured string to new store *
+*************************************************/
+
+/* This function copies a single captured substring into a piece of new
+store
+
+Arguments:
+ subject the subject string that was matched
+ ovector pointer to the offsets table
+ stringcount the number of substrings that were captured
+ (i.e. the yield of the pcre_exec call, unless
+ that was zero, in which case it should be 1/3
+ of the offset table size)
+ stringnumber the number of the required substring
+ stringptr where to put a pointer to the substring
+
+Returns: if successful:
+ the length of the string, not including the zero that
+ is put on the end; can be zero
+ if not successful:
+ PCRE_ERROR_NOMEMORY (-6) failed to get store
+ PCRE_ERROR_NOSUBSTRING (-7) substring not present
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_get_substring(const char *subject, int *ovector, int stringcount,
+ int stringnumber, const char **stringptr)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_get_substring(PCRE_SPTR16 subject, int *ovector, int stringcount,
+ int stringnumber, PCRE_SPTR16 *stringptr)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_get_substring(PCRE_SPTR32 subject, int *ovector, int stringcount,
+ int stringnumber, PCRE_SPTR32 *stringptr)
+#endif
+{
+int yield;
+pcre_uchar *substring;
+if (stringnumber < 0 || stringnumber >= stringcount)
+ return PCRE_ERROR_NOSUBSTRING;
+stringnumber *= 2;
+yield = ovector[stringnumber+1] - ovector[stringnumber];
+substring = (pcre_uchar *)(PUBL(malloc))(IN_UCHARS(yield + 1));
+if (substring == NULL) return PCRE_ERROR_NOMEMORY;
+memcpy(substring, subject + ovector[stringnumber], IN_UCHARS(yield));
+substring[yield] = 0;
+#if defined COMPILE_PCRE8
+*stringptr = (const char *)substring;
+#elif defined COMPILE_PCRE16
+*stringptr = (PCRE_SPTR16)substring;
+#elif defined COMPILE_PCRE32
+*stringptr = (PCRE_SPTR32)substring;
+#endif
+return yield;
+}
+
+
+
+/*************************************************
+* Copy named captured string to new store *
+*************************************************/
+
+/* This function copies a single captured substring, identified by name, into
+new store. If the regex permits duplicate names, the first substring that is
+set is chosen.
+
+Arguments:
+ code the compiled regex
+ subject the subject string that was matched
+ ovector pointer to the offsets table
+ stringcount the number of substrings that were captured
+ (i.e. the yield of the pcre_exec call, unless
+ that was zero, in which case it should be 1/3
+ of the offset table size)
+ stringname the name of the required substring
+ stringptr where to put the pointer
+
+Returns: if successful:
+ the length of the copied string, not including the zero
+ that is put on the end; can be zero
+ if not successful:
+ PCRE_ERROR_NOMEMORY (-6) couldn't get memory
+ PCRE_ERROR_NOSUBSTRING (-7) no such captured substring
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_get_named_substring(const pcre *code, const char *subject,
+ int *ovector, int stringcount, const char *stringname,
+ const char **stringptr)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_get_named_substring(const pcre16 *code, PCRE_SPTR16 subject,
+ int *ovector, int stringcount, PCRE_SPTR16 stringname,
+ PCRE_SPTR16 *stringptr)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_get_named_substring(const pcre32 *code, PCRE_SPTR32 subject,
+ int *ovector, int stringcount, PCRE_SPTR32 stringname,
+ PCRE_SPTR32 *stringptr)
+#endif
+{
+int n = get_first_set(code, stringname, ovector, stringcount);
+if (n <= 0) return n;
+#if defined COMPILE_PCRE8
+return pcre_get_substring(subject, ovector, stringcount, n, stringptr);
+#elif defined COMPILE_PCRE16
+return pcre16_get_substring(subject, ovector, stringcount, n, stringptr);
+#elif defined COMPILE_PCRE32
+return pcre32_get_substring(subject, ovector, stringcount, n, stringptr);
+#endif
+}
+
+
+
+
+/*************************************************
+* Free store obtained by get_substring *
+*************************************************/
+
+/* This function exists for the benefit of people calling PCRE from non-C
+programs that can call its functions, but not free() or (PUBL(free))()
+directly.
+
+Argument: the result of a previous pcre_get_substring()
+Returns: nothing
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN void PCRE_CALL_CONVENTION
+pcre_free_substring(const char *pointer)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN void PCRE_CALL_CONVENTION
+pcre16_free_substring(PCRE_SPTR16 pointer)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN void PCRE_CALL_CONVENTION
+pcre32_free_substring(PCRE_SPTR32 pointer)
+#endif
+{
+(PUBL(free))((void *)pointer);
+}
+
+/* End of pcre_get.c */
diff --git a/deps/pcre/pcre_globals.c b/deps/pcre/pcre_globals.c
new file mode 100644
index 0000000..0f106aa
--- /dev/null
+++ b/deps/pcre/pcre_globals.c
@@ -0,0 +1,86 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2014 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains global variables that are exported by the PCRE library.
+PCRE is thread-clean and doesn't use any global variables in the normal sense.
+However, it calls memory allocation and freeing functions via the four
+indirections below, and it can optionally do callouts, using the fifth
+indirection. These values can be changed by the caller, but are shared between
+all threads.
+
+For MS Visual Studio and Symbian OS, there are problems in initializing these
+variables to non-local functions. In these cases, therefore, an indirection via
+a local function is used.
+
+Also, when compiling for Virtual Pascal, things are done differently, and
+global variables are not used. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+#if defined _MSC_VER || defined __SYMBIAN32__
+static void* LocalPcreMalloc(size_t aSize)
+ {
+ return malloc(aSize);
+ }
+static void LocalPcreFree(void* aPtr)
+ {
+ free(aPtr);
+ }
+PCRE_EXP_DATA_DEFN void *(*PUBL(malloc))(size_t) = LocalPcreMalloc;
+PCRE_EXP_DATA_DEFN void (*PUBL(free))(void *) = LocalPcreFree;
+PCRE_EXP_DATA_DEFN void *(*PUBL(stack_malloc))(size_t) = LocalPcreMalloc;
+PCRE_EXP_DATA_DEFN void (*PUBL(stack_free))(void *) = LocalPcreFree;
+PCRE_EXP_DATA_DEFN int (*PUBL(callout))(PUBL(callout_block) *) = NULL;
+PCRE_EXP_DATA_DEFN int (*PUBL(stack_guard))(void) = NULL;
+
+#elif !defined VPCOMPAT
+PCRE_EXP_DATA_DEFN void *(*PUBL(malloc))(size_t) = malloc;
+PCRE_EXP_DATA_DEFN void (*PUBL(free))(void *) = free;
+PCRE_EXP_DATA_DEFN void *(*PUBL(stack_malloc))(size_t) = malloc;
+PCRE_EXP_DATA_DEFN void (*PUBL(stack_free))(void *) = free;
+PCRE_EXP_DATA_DEFN int (*PUBL(callout))(PUBL(callout_block) *) = NULL;
+PCRE_EXP_DATA_DEFN int (*PUBL(stack_guard))(void) = NULL;
+#endif
+
+/* End of pcre_globals.c */
diff --git a/deps/pcre/pcre_internal.h b/deps/pcre/pcre_internal.h
new file mode 100644
index 0000000..09b09b8
--- /dev/null
+++ b/deps/pcre/pcre_internal.h
@@ -0,0 +1,2787 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2016 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+/* This header contains definitions that are shared between the different
+modules, but which are not relevant to the exported API. This includes some
+functions whose names all begin with "_pcre_", "_pcre16_" or "_pcre32_"
+depending on the PRIV macro. */
+
+#ifndef PCRE_INTERNAL_H
+#define PCRE_INTERNAL_H
+
+/* Define PCRE_DEBUG to get debugging output on stdout. */
+
+#if 0
+#define PCRE_DEBUG
+#endif
+
+/* PCRE is compiled as an 8 bit library if it is not requested otherwise. */
+
+#if !defined COMPILE_PCRE16 && !defined COMPILE_PCRE32
+#define COMPILE_PCRE8
+#endif
+
+/* If SUPPORT_UCP is defined, SUPPORT_UTF must also be defined. The
+"configure" script ensures this, but not everybody uses "configure". */
+
+#if defined SUPPORT_UCP && !(defined SUPPORT_UTF)
+#define SUPPORT_UTF 1
+#endif
+
+/* We define SUPPORT_UTF if SUPPORT_UTF8 is enabled for compatibility
+reasons with existing code. */
+
+#if defined SUPPORT_UTF8 && !(defined SUPPORT_UTF)
+#define SUPPORT_UTF 1
+#endif
+
+/* Fixme: SUPPORT_UTF8 should be eventually disappear from the code.
+Until then we define it if SUPPORT_UTF is defined. */
+
+#if defined SUPPORT_UTF && !(defined SUPPORT_UTF8)
+#define SUPPORT_UTF8 1
+#endif
+
+/* We do not support both EBCDIC and UTF-8/16/32 at the same time. The "configure"
+script prevents both being selected, but not everybody uses "configure". */
+
+#if defined EBCDIC && defined SUPPORT_UTF
+#error The use of both EBCDIC and SUPPORT_UTF is not supported.
+#endif
+
+/* Use a macro for debugging printing, 'cause that eliminates the use of #ifdef
+inline, and there are *still* stupid compilers about that don't like indented
+pre-processor statements, or at least there were when I first wrote this. After
+all, it had only been about 10 years then...
+
+It turns out that the Mac Debugging.h header also defines the macro DPRINTF, so
+be absolutely sure we get our version. */
+
+#undef DPRINTF
+#ifdef PCRE_DEBUG
+#define DPRINTF(p) printf p
+#else
+#define DPRINTF(p) /* Nothing */
+#endif
+
+
+/* Standard C headers plus the external interface definition. The only time
+setjmp and stdarg are used is when NO_RECURSE is set. */
+
+#include <ctype.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* Valgrind (memcheck) support */
+
+#ifdef SUPPORT_VALGRIND
+#include <valgrind/memcheck.h>
+#endif
+
+/* When compiling a DLL for Windows, the exported symbols have to be declared
+using some MS magic. I found some useful information on this web page:
+http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the
+information there, using __declspec(dllexport) without "extern" we have a
+definition; with "extern" we have a declaration. The settings here override the
+setting in pcre.h (which is included below); it defines only PCRE_EXP_DECL,
+which is all that is needed for applications (they just import the symbols). We
+use:
+
+ PCRE_EXP_DECL for declarations
+ PCRE_EXP_DEFN for definitions of exported functions
+ PCRE_EXP_DATA_DEFN for definitions of exported variables
+
+The reason for the two DEFN macros is that in non-Windows environments, one
+does not want to have "extern" before variable definitions because it leads to
+compiler warnings. So we distinguish between functions and variables. In
+Windows, the two should always be the same.
+
+The reason for wrapping this in #ifndef PCRE_EXP_DECL is so that pcretest,
+which is an application, but needs to import this file in order to "peek" at
+internals, can #include pcre.h first to get an application's-eye view.
+
+In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,
+special-purpose environments) might want to stick other stuff in front of
+exported symbols. That's why, in the non-Windows case, we set PCRE_EXP_DEFN and
+PCRE_EXP_DATA_DEFN only if they are not already set. */
+
+#ifndef PCRE_EXP_DECL
+# define PCRE_EXP_DECL extern
+# define PCRE_EXP_DEFN
+# define PCRE_EXP_DATA_DEFN
+#endif
+
+/* When compiling with the MSVC compiler, it is sometimes necessary to include
+a "calling convention" before exported function names. (This is secondhand
+information; I know nothing about MSVC myself). For example, something like
+
+ void __cdecl function(....)
+
+might be needed. In order so make this easy, all the exported functions have
+PCRE_CALL_CONVENTION just before their names. It is rarely needed; if not
+set, we ensure here that it has no effect. */
+
+#ifndef PCRE_CALL_CONVENTION
+#define PCRE_CALL_CONVENTION
+#endif
+
+/* We need to have types that specify unsigned 8, 16 and 32-bit integers. We
+cannot determine these outside the compilation (e.g. by running a program as
+part of "configure") because PCRE is often cross-compiled for use on other
+systems. Instead we make use of the maximum sizes that are available at
+preprocessor time in standard C environments. */
+
+typedef unsigned char pcre_uint8;
+
+#if USHRT_MAX == 65535
+typedef unsigned short pcre_uint16;
+typedef short pcre_int16;
+#define PCRE_UINT16_MAX USHRT_MAX
+#define PCRE_INT16_MAX SHRT_MAX
+#elif UINT_MAX == 65535
+typedef unsigned int pcre_uint16;
+typedef int pcre_int16;
+#define PCRE_UINT16_MAX UINT_MAX
+#define PCRE_INT16_MAX INT_MAX
+#else
+#error Cannot determine a type for 16-bit integers
+#endif
+
+#if UINT_MAX == 4294967295U
+typedef unsigned int pcre_uint32;
+typedef int pcre_int32;
+#define PCRE_UINT32_MAX UINT_MAX
+#define PCRE_INT32_MAX INT_MAX
+#elif ULONG_MAX == 4294967295UL
+typedef unsigned long int pcre_uint32;
+typedef long int pcre_int32;
+#define PCRE_UINT32_MAX ULONG_MAX
+#define PCRE_INT32_MAX LONG_MAX
+#else
+#error Cannot determine a type for 32-bit integers
+#endif
+
+/* When checking for integer overflow in pcre_compile(), we need to handle
+large integers. If a 64-bit integer type is available, we can use that.
+Otherwise we have to cast to double, which of course requires floating point
+arithmetic. Handle this by defining a macro for the appropriate type. If
+stdint.h is available, include it; it may define INT64_MAX. Systems that do not
+have stdint.h (e.g. Solaris) may have inttypes.h. The macro int64_t may be set
+by "configure". */
+
+#if defined HAVE_STDINT_H
+#include <stdint.h>
+#elif defined HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
+#if defined INT64_MAX || defined int64_t
+#define INT64_OR_DOUBLE int64_t
+#else
+#define INT64_OR_DOUBLE double
+#endif
+
+/* All character handling must be done as unsigned characters. Otherwise there
+are problems with top-bit-set characters and functions such as isspace().
+However, we leave the interface to the outside world as char * or short *,
+because that should make things easier for callers. This character type is
+called pcre_uchar.
+
+The IN_UCHARS macro multiply its argument with the byte size of the current
+pcre_uchar type. Useful for memcpy and such operations, whose require the
+byte size of their input/output buffers.
+
+The MAX_255 macro checks whether its pcre_uchar input is less than 256.
+
+The TABLE_GET macro is designed for accessing elements of tables whose contain
+exactly 256 items. When the character is able to contain more than 256
+items, some check is needed before accessing these tables.
+*/
+
+#if defined COMPILE_PCRE8
+
+typedef unsigned char pcre_uchar;
+#define IN_UCHARS(x) (x)
+#define MAX_255(c) 1
+#define TABLE_GET(c, table, default) ((table)[c])
+
+#elif defined COMPILE_PCRE16
+
+#if USHRT_MAX != 65535
+/* This is a warning message. Change PCRE_UCHAR16 to a 16 bit data type in
+pcre.h(.in) and disable (comment out) this message. */
+#error Warning: PCRE_UCHAR16 is not a 16 bit data type.
+#endif
+
+typedef pcre_uint16 pcre_uchar;
+#define UCHAR_SHIFT (1)
+#define IN_UCHARS(x) ((x) * 2)
+#define MAX_255(c) ((c) <= 255u)
+#define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))
+
+#elif defined COMPILE_PCRE32
+
+typedef pcre_uint32 pcre_uchar;
+#define UCHAR_SHIFT (2)
+#define IN_UCHARS(x) ((x) * 4)
+#define MAX_255(c) ((c) <= 255u)
+#define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))
+
+#else
+#error Unsupported compiling mode
+#endif /* COMPILE_PCRE[8|16|32] */
+
+/* This is an unsigned int value that no character can ever have. UTF-8
+characters only go up to 0x7fffffff (though Unicode doesn't go beyond
+0x0010ffff). */
+
+#define NOTACHAR 0xffffffff
+
+/* PCRE is able to support several different kinds of newline (CR, LF, CRLF,
+"any" and "anycrlf" at present). The following macros are used to package up
+testing for newlines. NLBLOCK, PSSTART, and PSEND are defined in the various
+modules to indicate in which datablock the parameters exist, and what the
+start/end of string field names are. */
+
+#define NLTYPE_FIXED 0 /* Newline is a fixed length string */
+#define NLTYPE_ANY 1 /* Newline is any Unicode line ending */
+#define NLTYPE_ANYCRLF 2 /* Newline is CR, LF, or CRLF */
+
+/* This macro checks for a newline at the given position */
+
+#define IS_NEWLINE(p) \
+ ((NLBLOCK->nltype != NLTYPE_FIXED)? \
+ ((p) < NLBLOCK->PSEND && \
+ PRIV(is_newline)((p), NLBLOCK->nltype, NLBLOCK->PSEND, \
+ &(NLBLOCK->nllen), utf)) \
+ : \
+ ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \
+ UCHAR21TEST(p) == NLBLOCK->nl[0] && \
+ (NLBLOCK->nllen == 1 || UCHAR21TEST(p+1) == NLBLOCK->nl[1]) \
+ ) \
+ )
+
+/* This macro checks for a newline immediately preceding the given position */
+
+#define WAS_NEWLINE(p) \
+ ((NLBLOCK->nltype != NLTYPE_FIXED)? \
+ ((p) > NLBLOCK->PSSTART && \
+ PRIV(was_newline)((p), NLBLOCK->nltype, NLBLOCK->PSSTART, \
+ &(NLBLOCK->nllen), utf)) \
+ : \
+ ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \
+ UCHAR21TEST(p - NLBLOCK->nllen) == NLBLOCK->nl[0] && \
+ (NLBLOCK->nllen == 1 || UCHAR21TEST(p - NLBLOCK->nllen + 1) == NLBLOCK->nl[1]) \
+ ) \
+ )
+
+/* When PCRE is compiled as a C++ library, the subject pointer can be replaced
+with a custom type. This makes it possible, for example, to allow pcre_exec()
+to process subject strings that are discontinuous by using a smart pointer
+class. It must always be possible to inspect all of the subject string in
+pcre_exec() because of the way it backtracks. Two macros are required in the
+normal case, for sign-unspecified and unsigned char pointers. The former is
+used for the external interface and appears in pcre.h, which is why its name
+must begin with PCRE_. */
+
+#ifdef CUSTOM_SUBJECT_PTR
+#define PCRE_PUCHAR CUSTOM_SUBJECT_PTR
+#else
+#define PCRE_PUCHAR const pcre_uchar *
+#endif
+
+/* Include the public PCRE header and the definitions of UCP character property
+values. */
+
+#include "pcre.h"
+#include "ucp.h"
+
+#ifdef COMPILE_PCRE32
+/* Assert that the public PCRE_UCHAR32 is a 32-bit type */
+typedef int __assert_pcre_uchar32_size[sizeof(PCRE_UCHAR32) == 4 ? 1 : -1];
+#endif
+
+/* When compiling for use with the Virtual Pascal compiler, these functions
+need to have their names changed. PCRE must be compiled with the -DVPCOMPAT
+option on the command line. */
+
+#ifdef VPCOMPAT
+#define strlen(s) _strlen(s)
+#define strncmp(s1,s2,m) _strncmp(s1,s2,m)
+#define memcmp(s,c,n) _memcmp(s,c,n)
+#define memcpy(d,s,n) _memcpy(d,s,n)
+#define memmove(d,s,n) _memmove(d,s,n)
+#define memset(s,c,n) _memset(s,c,n)
+#else /* VPCOMPAT */
+
+/* To cope with SunOS4 and other systems that lack memmove() but have bcopy(),
+define a macro for memmove() if HAVE_MEMMOVE is false, provided that HAVE_BCOPY
+is set. Otherwise, include an emulating function for those systems that have
+neither (there some non-Unix environments where this is the case). */
+
+#ifndef HAVE_MEMMOVE
+#undef memmove /* some systems may have a macro */
+#ifdef HAVE_BCOPY
+#define memmove(a, b, c) bcopy(b, a, c)
+#else /* HAVE_BCOPY */
+static void *
+pcre_memmove(void *d, const void *s, size_t n)
+{
+size_t i;
+unsigned char *dest = (unsigned char *)d;
+const unsigned char *src = (const unsigned char *)s;
+if (dest > src)
+ {
+ dest += n;
+ src += n;
+ for (i = 0; i < n; ++i) *(--dest) = *(--src);
+ return (void *)dest;
+ }
+else
+ {
+ for (i = 0; i < n; ++i) *dest++ = *src++;
+ return (void *)(dest - n);
+ }
+}
+#define memmove(a, b, c) pcre_memmove(a, b, c)
+#endif /* not HAVE_BCOPY */
+#endif /* not HAVE_MEMMOVE */
+#endif /* not VPCOMPAT */
+
+
+/* PCRE keeps offsets in its compiled code as 2-byte quantities (always stored
+in big-endian order) by default. These are used, for example, to link from the
+start of a subpattern to its alternatives and its end. The use of 2 bytes per
+offset limits the size of the compiled regex to around 64K, which is big enough
+for almost everybody. However, I received a request for an even bigger limit.
+For this reason, and also to make the code easier to maintain, the storing and
+loading of offsets from the byte string is now handled by the macros that are
+defined here.
+
+The macros are controlled by the value of LINK_SIZE. This defaults to 2 in
+the config.h file, but can be overridden by using -D on the command line. This
+is automated on Unix systems via the "configure" command. */
+
+#if defined COMPILE_PCRE8
+
+#if LINK_SIZE == 2
+
+#define PUT(a,n,d) \
+ (a[n] = (d) >> 8), \
+ (a[(n)+1] = (d) & 255)
+
+#define GET(a,n) \
+ (((a)[n] << 8) | (a)[(n)+1])
+
+#define MAX_PATTERN_SIZE (1 << 16)
+
+
+#elif LINK_SIZE == 3
+
+#define PUT(a,n,d) \
+ (a[n] = (d) >> 16), \
+ (a[(n)+1] = (d) >> 8), \
+ (a[(n)+2] = (d) & 255)
+
+#define GET(a,n) \
+ (((a)[n] << 16) | ((a)[(n)+1] << 8) | (a)[(n)+2])
+
+#define MAX_PATTERN_SIZE (1 << 24)
+
+
+#elif LINK_SIZE == 4
+
+#define PUT(a,n,d) \
+ (a[n] = (d) >> 24), \
+ (a[(n)+1] = (d) >> 16), \
+ (a[(n)+2] = (d) >> 8), \
+ (a[(n)+3] = (d) & 255)
+
+#define GET(a,n) \
+ (((a)[n] << 24) | ((a)[(n)+1] << 16) | ((a)[(n)+2] << 8) | (a)[(n)+3])
+
+/* Keep it positive */
+#define MAX_PATTERN_SIZE (1 << 30)
+
+#else
+#error LINK_SIZE must be either 2, 3, or 4
+#endif
+
+#elif defined COMPILE_PCRE16
+
+#if LINK_SIZE == 2
+
+/* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
+#undef LINK_SIZE
+#define LINK_SIZE 1
+
+#define PUT(a,n,d) \
+ (a[n] = (d))
+
+#define GET(a,n) \
+ (a[n])
+
+#define MAX_PATTERN_SIZE (1 << 16)
+
+#elif LINK_SIZE == 3 || LINK_SIZE == 4
+
+/* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
+#undef LINK_SIZE
+#define LINK_SIZE 2
+
+#define PUT(a,n,d) \
+ (a[n] = (d) >> 16), \
+ (a[(n)+1] = (d) & 65535)
+
+#define GET(a,n) \
+ (((a)[n] << 16) | (a)[(n)+1])
+
+/* Keep it positive */
+#define MAX_PATTERN_SIZE (1 << 30)
+
+#else
+#error LINK_SIZE must be either 2, 3, or 4
+#endif
+
+#elif defined COMPILE_PCRE32
+
+/* Only supported LINK_SIZE is 4 */
+/* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
+#undef LINK_SIZE
+#define LINK_SIZE 1
+
+#define PUT(a,n,d) \
+ (a[n] = (d))
+
+#define GET(a,n) \
+ (a[n])
+
+/* Keep it positive */
+#define MAX_PATTERN_SIZE (1 << 30)
+
+#else
+#error Unsupported compiling mode
+#endif /* COMPILE_PCRE[8|16|32] */
+
+/* Convenience macro defined in terms of the others */
+
+#define PUTINC(a,n,d) PUT(a,n,d), a += LINK_SIZE
+
+
+/* PCRE uses some other 2-byte quantities that do not change when the size of
+offsets changes. There are used for repeat counts and for other things such as
+capturing parenthesis numbers in back references. */
+
+#if defined COMPILE_PCRE8
+
+#define IMM2_SIZE 2
+
+#define PUT2(a,n,d) \
+ a[n] = (d) >> 8; \
+ a[(n)+1] = (d) & 255
+
+/* For reasons that I do not understand, the expression in this GET2 macro is
+treated by gcc as a signed expression, even when a is declared as unsigned. It
+seems that any kind of arithmetic results in a signed value. */
+
+#define GET2(a,n) \
+ (unsigned int)(((a)[n] << 8) | (a)[(n)+1])
+
+#elif defined COMPILE_PCRE16
+
+#define IMM2_SIZE 1
+
+#define PUT2(a,n,d) \
+ a[n] = d
+
+#define GET2(a,n) \
+ a[n]
+
+#elif defined COMPILE_PCRE32
+
+#define IMM2_SIZE 1
+
+#define PUT2(a,n,d) \
+ a[n] = d
+
+#define GET2(a,n) \
+ a[n]
+
+#else
+#error Unsupported compiling mode
+#endif /* COMPILE_PCRE[8|16|32] */
+
+#define PUT2INC(a,n,d) PUT2(a,n,d), a += IMM2_SIZE
+
+/* The maximum length of a MARK name is currently one data unit; it may be
+changed in future to be a fixed number of bytes or to depend on LINK_SIZE. */
+
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+#define MAX_MARK ((1u << 16) - 1)
+#else
+#define MAX_MARK ((1u << 8) - 1)
+#endif
+
+/* There is a proposed future special "UTF-21" mode, in which only the lowest
+21 bits of a 32-bit character are interpreted as UTF, with the remaining 11
+high-order bits available to the application for other uses. In preparation for
+the future implementation of this mode, there are macros that load a data item
+and, if in this special mode, mask it to 21 bits. These macros all have names
+starting with UCHAR21. In all other modes, including the normal 32-bit
+library, the macros all have the same simple definitions. When the new mode is
+implemented, it is expected that these definitions will be varied appropriately
+using #ifdef when compiling the library that supports the special mode. */
+
+#define UCHAR21(eptr) (*(eptr))
+#define UCHAR21TEST(eptr) (*(eptr))
+#define UCHAR21INC(eptr) (*(eptr)++)
+#define UCHAR21INCTEST(eptr) (*(eptr)++)
+
+/* When UTF encoding is being used, a character is no longer just a single
+byte in 8-bit mode or a single short in 16-bit mode. The macros for character
+handling generate simple sequences when used in the basic mode, and more
+complicated ones for UTF characters. GETCHARLENTEST and other macros are not
+used when UTF is not supported. To make sure they can never even appear when
+UTF support is omitted, we don't even define them. */
+
+#ifndef SUPPORT_UTF
+
+/* #define MAX_VALUE_FOR_SINGLE_CHAR */
+/* #define HAS_EXTRALEN(c) */
+/* #define GET_EXTRALEN(c) */
+/* #define NOT_FIRSTCHAR(c) */
+#define GETCHAR(c, eptr) c = *eptr;
+#define GETCHARTEST(c, eptr) c = *eptr;
+#define GETCHARINC(c, eptr) c = *eptr++;
+#define GETCHARINCTEST(c, eptr) c = *eptr++;
+#define GETCHARLEN(c, eptr, len) c = *eptr;
+/* #define GETCHARLENTEST(c, eptr, len) */
+/* #define BACKCHAR(eptr) */
+/* #define FORWARDCHAR(eptr) */
+/* #define ACROSSCHAR(condition, eptr, action) */
+
+#else /* SUPPORT_UTF */
+
+/* Tests whether the code point needs extra characters to decode. */
+
+#define HASUTF8EXTRALEN(c) ((c) >= 0xc0)
+
+/* Base macro to pick up the remaining bytes of a UTF-8 character, not
+advancing the pointer. */
+
+#define GETUTF8(c, eptr) \
+ { \
+ if ((c & 0x20) == 0) \
+ c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
+ else if ((c & 0x10) == 0) \
+ c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
+ else if ((c & 0x08) == 0) \
+ c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
+ ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
+ else if ((c & 0x04) == 0) \
+ c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
+ ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
+ (eptr[4] & 0x3f); \
+ else \
+ c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
+ ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
+ ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
+ }
+
+/* Base macro to pick up the remaining bytes of a UTF-8 character, advancing
+the pointer. */
+
+#define GETUTF8INC(c, eptr) \
+ { \
+ if ((c & 0x20) == 0) \
+ c = ((c & 0x1f) << 6) | (*eptr++ & 0x3f); \
+ else if ((c & 0x10) == 0) \
+ { \
+ c = ((c & 0x0f) << 12) | ((*eptr & 0x3f) << 6) | (eptr[1] & 0x3f); \
+ eptr += 2; \
+ } \
+ else if ((c & 0x08) == 0) \
+ { \
+ c = ((c & 0x07) << 18) | ((*eptr & 0x3f) << 12) | \
+ ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
+ eptr += 3; \
+ } \
+ else if ((c & 0x04) == 0) \
+ { \
+ c = ((c & 0x03) << 24) | ((*eptr & 0x3f) << 18) | \
+ ((eptr[1] & 0x3f) << 12) | ((eptr[2] & 0x3f) << 6) | \
+ (eptr[3] & 0x3f); \
+ eptr += 4; \
+ } \
+ else \
+ { \
+ c = ((c & 0x01) << 30) | ((*eptr & 0x3f) << 24) | \
+ ((eptr[1] & 0x3f) << 18) | ((eptr[2] & 0x3f) << 12) | \
+ ((eptr[3] & 0x3f) << 6) | (eptr[4] & 0x3f); \
+ eptr += 5; \
+ } \
+ }
+
+#if defined COMPILE_PCRE8
+
+/* These macros were originally written in the form of loops that used data
+from the tables whose names start with PRIV(utf8_table). They were rewritten by
+a user so as not to use loops, because in some environments this gives a
+significant performance advantage, and it seems never to do any harm. */
+
+/* Tells the biggest code point which can be encoded as a single character. */
+
+#define MAX_VALUE_FOR_SINGLE_CHAR 127
+
+/* Tests whether the code point needs extra characters to decode. */
+
+#define HAS_EXTRALEN(c) ((c) >= 0xc0)
+
+/* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.
+Otherwise it has an undefined behaviour. */
+
+#define GET_EXTRALEN(c) (PRIV(utf8_table4)[(c) & 0x3f])
+
+/* Returns TRUE, if the given character is not the first character
+of a UTF sequence. */
+
+#define NOT_FIRSTCHAR(c) (((c) & 0xc0) == 0x80)
+
+/* Get the next UTF-8 character, not advancing the pointer. This is called when
+we know we are in UTF-8 mode. */
+
+#define GETCHAR(c, eptr) \
+ c = *eptr; \
+ if (c >= 0xc0) GETUTF8(c, eptr);
+
+/* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the
+pointer. */
+
+#define GETCHARTEST(c, eptr) \
+ c = *eptr; \
+ if (utf && c >= 0xc0) GETUTF8(c, eptr);
+
+/* Get the next UTF-8 character, advancing the pointer. This is called when we
+know we are in UTF-8 mode. */
+
+#define GETCHARINC(c, eptr) \
+ c = *eptr++; \
+ if (c >= 0xc0) GETUTF8INC(c, eptr);
+
+/* Get the next character, testing for UTF-8 mode, and advancing the pointer.
+This is called when we don't know if we are in UTF-8 mode. */
+
+#define GETCHARINCTEST(c, eptr) \
+ c = *eptr++; \
+ if (utf && c >= 0xc0) GETUTF8INC(c, eptr);
+
+/* Base macro to pick up the remaining bytes of a UTF-8 character, not
+advancing the pointer, incrementing the length. */
+
+#define GETUTF8LEN(c, eptr, len) \
+ { \
+ if ((c & 0x20) == 0) \
+ { \
+ c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
+ len++; \
+ } \
+ else if ((c & 0x10) == 0) \
+ { \
+ c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
+ len += 2; \
+ } \
+ else if ((c & 0x08) == 0) \
+ {\
+ c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
+ ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
+ len += 3; \
+ } \
+ else if ((c & 0x04) == 0) \
+ { \
+ c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
+ ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
+ (eptr[4] & 0x3f); \
+ len += 4; \
+ } \
+ else \
+ {\
+ c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
+ ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
+ ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
+ len += 5; \
+ } \
+ }
+
+/* Get the next UTF-8 character, not advancing the pointer, incrementing length
+if there are extra bytes. This is called when we know we are in UTF-8 mode. */
+
+#define GETCHARLEN(c, eptr, len) \
+ c = *eptr; \
+ if (c >= 0xc0) GETUTF8LEN(c, eptr, len);
+
+/* Get the next UTF-8 character, testing for UTF-8 mode, not advancing the
+pointer, incrementing length if there are extra bytes. This is called when we
+do not know if we are in UTF-8 mode. */
+
+#define GETCHARLENTEST(c, eptr, len) \
+ c = *eptr; \
+ if (utf && c >= 0xc0) GETUTF8LEN(c, eptr, len);
+
+/* If the pointer is not at the start of a character, move it back until
+it is. This is called only in UTF-8 mode - we don't put a test within the macro
+because almost all calls are already within a block of UTF-8 only code. */
+
+#define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--
+
+/* Same as above, just in the other direction. */
+#define FORWARDCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr++
+
+/* Same as above, but it allows a fully customizable form. */
+#define ACROSSCHAR(condition, eptr, action) \
+ while((condition) && ((eptr) & 0xc0) == 0x80) action
+
+#elif defined COMPILE_PCRE16
+
+/* Tells the biggest code point which can be encoded as a single character. */
+
+#define MAX_VALUE_FOR_SINGLE_CHAR 65535
+
+/* Tests whether the code point needs extra characters to decode. */
+
+#define HAS_EXTRALEN(c) (((c) & 0xfc00) == 0xd800)
+
+/* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.
+Otherwise it has an undefined behaviour. */
+
+#define GET_EXTRALEN(c) 1
+
+/* Returns TRUE, if the given character is not the first character
+of a UTF sequence. */
+
+#define NOT_FIRSTCHAR(c) (((c) & 0xfc00) == 0xdc00)
+
+/* Base macro to pick up the low surrogate of a UTF-16 character, not
+advancing the pointer. */
+
+#define GETUTF16(c, eptr) \
+ { c = (((c & 0x3ff) << 10) | (eptr[1] & 0x3ff)) + 0x10000; }
+
+/* Get the next UTF-16 character, not advancing the pointer. This is called when
+we know we are in UTF-16 mode. */
+
+#define GETCHAR(c, eptr) \
+ c = *eptr; \
+ if ((c & 0xfc00) == 0xd800) GETUTF16(c, eptr);
+
+/* Get the next UTF-16 character, testing for UTF-16 mode, and not advancing the
+pointer. */
+
+#define GETCHARTEST(c, eptr) \
+ c = *eptr; \
+ if (utf && (c & 0xfc00) == 0xd800) GETUTF16(c, eptr);
+
+/* Base macro to pick up the low surrogate of a UTF-16 character, advancing
+the pointer. */
+
+#define GETUTF16INC(c, eptr) \
+ { c = (((c & 0x3ff) << 10) | (*eptr++ & 0x3ff)) + 0x10000; }
+
+/* Get the next UTF-16 character, advancing the pointer. This is called when we
+know we are in UTF-16 mode. */
+
+#define GETCHARINC(c, eptr) \
+ c = *eptr++; \
+ if ((c & 0xfc00) == 0xd800) GETUTF16INC(c, eptr);
+
+/* Get the next character, testing for UTF-16 mode, and advancing the pointer.
+This is called when we don't know if we are in UTF-16 mode. */
+
+#define GETCHARINCTEST(c, eptr) \
+ c = *eptr++; \
+ if (utf && (c & 0xfc00) == 0xd800) GETUTF16INC(c, eptr);
+
+/* Base macro to pick up the low surrogate of a UTF-16 character, not
+advancing the pointer, incrementing the length. */
+
+#define GETUTF16LEN(c, eptr, len) \
+ { c = (((c & 0x3ff) << 10) | (eptr[1] & 0x3ff)) + 0x10000; len++; }
+
+/* Get the next UTF-16 character, not advancing the pointer, incrementing
+length if there is a low surrogate. This is called when we know we are in
+UTF-16 mode. */
+
+#define GETCHARLEN(c, eptr, len) \
+ c = *eptr; \
+ if ((c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);
+
+/* Get the next UTF-816character, testing for UTF-16 mode, not advancing the
+pointer, incrementing length if there is a low surrogate. This is called when
+we do not know if we are in UTF-16 mode. */
+
+#define GETCHARLENTEST(c, eptr, len) \
+ c = *eptr; \
+ if (utf && (c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);
+
+/* If the pointer is not at the start of a character, move it back until
+it is. This is called only in UTF-16 mode - we don't put a test within the
+macro because almost all calls are already within a block of UTF-16 only
+code. */
+
+#define BACKCHAR(eptr) if ((*eptr & 0xfc00) == 0xdc00) eptr--
+
+/* Same as above, just in the other direction. */
+#define FORWARDCHAR(eptr) if ((*eptr & 0xfc00) == 0xdc00) eptr++
+
+/* Same as above, but it allows a fully customizable form. */
+#define ACROSSCHAR(condition, eptr, action) \
+ if ((condition) && ((eptr) & 0xfc00) == 0xdc00) action
+
+#elif defined COMPILE_PCRE32
+
+/* These are trivial for the 32-bit library, since all UTF-32 characters fit
+into one pcre_uchar unit. */
+#define MAX_VALUE_FOR_SINGLE_CHAR (0x10ffffu)
+#define HAS_EXTRALEN(c) (0)
+#define GET_EXTRALEN(c) (0)
+#define NOT_FIRSTCHAR(c) (0)
+
+/* Get the next UTF-32 character, not advancing the pointer. This is called when
+we know we are in UTF-32 mode. */
+
+#define GETCHAR(c, eptr) \
+ c = *(eptr);
+
+/* Get the next UTF-32 character, testing for UTF-32 mode, and not advancing the
+pointer. */
+
+#define GETCHARTEST(c, eptr) \
+ c = *(eptr);
+
+/* Get the next UTF-32 character, advancing the pointer. This is called when we
+know we are in UTF-32 mode. */
+
+#define GETCHARINC(c, eptr) \
+ c = *((eptr)++);
+
+/* Get the next character, testing for UTF-32 mode, and advancing the pointer.
+This is called when we don't know if we are in UTF-32 mode. */
+
+#define GETCHARINCTEST(c, eptr) \
+ c = *((eptr)++);
+
+/* Get the next UTF-32 character, not advancing the pointer, not incrementing
+length (since all UTF-32 is of length 1). This is called when we know we are in
+UTF-32 mode. */
+
+#define GETCHARLEN(c, eptr, len) \
+ GETCHAR(c, eptr)
+
+/* Get the next UTF-32character, testing for UTF-32 mode, not advancing the
+pointer, not incrementing the length (since all UTF-32 is of length 1).
+This is called when we do not know if we are in UTF-32 mode. */
+
+#define GETCHARLENTEST(c, eptr, len) \
+ GETCHARTEST(c, eptr)
+
+/* If the pointer is not at the start of a character, move it back until
+it is. This is called only in UTF-32 mode - we don't put a test within the
+macro because almost all calls are already within a block of UTF-32 only
+code.
+These are all no-ops since all UTF-32 characters fit into one pcre_uchar. */
+
+#define BACKCHAR(eptr) do { } while (0)
+
+/* Same as above, just in the other direction. */
+#define FORWARDCHAR(eptr) do { } while (0)
+
+/* Same as above, but it allows a fully customizable form. */
+#define ACROSSCHAR(condition, eptr, action) do { } while (0)
+
+#else
+#error Unsupported compiling mode
+#endif /* COMPILE_PCRE[8|16|32] */
+
+#endif /* SUPPORT_UTF */
+
+/* Tests for Unicode horizontal and vertical whitespace characters must check a
+number of different values. Using a switch statement for this generates the
+fastest code (no loop, no memory access), and there are several places in the
+interpreter code where this happens. In order to ensure that all the case lists
+remain in step, we use macros so that there is only one place where the lists
+are defined.
+
+These values are also required as lists in pcre_compile.c when processing \h,
+\H, \v and \V in a character class. The lists are defined in pcre_tables.c, but
+macros that define the values are here so that all the definitions are
+together. The lists must be in ascending character order, terminated by
+NOTACHAR (which is 0xffffffff).
+
+Any changes should ensure that the various macros are kept in step with each
+other. NOTE: The values also appear in pcre_jit_compile.c. */
+
+/* ------ ASCII/Unicode environments ------ */
+
+#ifndef EBCDIC
+
+#define HSPACE_LIST \
+ CHAR_HT, CHAR_SPACE, CHAR_NBSP, \
+ 0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \
+ 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \
+ NOTACHAR
+
+#define HSPACE_MULTIBYTE_CASES \
+ case 0x1680: /* OGHAM SPACE MARK */ \
+ case 0x180e: /* MONGOLIAN VOWEL SEPARATOR */ \
+ case 0x2000: /* EN QUAD */ \
+ case 0x2001: /* EM QUAD */ \
+ case 0x2002: /* EN SPACE */ \
+ case 0x2003: /* EM SPACE */ \
+ case 0x2004: /* THREE-PER-EM SPACE */ \
+ case 0x2005: /* FOUR-PER-EM SPACE */ \
+ case 0x2006: /* SIX-PER-EM SPACE */ \
+ case 0x2007: /* FIGURE SPACE */ \
+ case 0x2008: /* PUNCTUATION SPACE */ \
+ case 0x2009: /* THIN SPACE */ \
+ case 0x200A: /* HAIR SPACE */ \
+ case 0x202f: /* NARROW NO-BREAK SPACE */ \
+ case 0x205f: /* MEDIUM MATHEMATICAL SPACE */ \
+ case 0x3000 /* IDEOGRAPHIC SPACE */
+
+#define HSPACE_BYTE_CASES \
+ case CHAR_HT: \
+ case CHAR_SPACE: \
+ case CHAR_NBSP
+
+#define HSPACE_CASES \
+ HSPACE_BYTE_CASES: \
+ HSPACE_MULTIBYTE_CASES
+
+#define VSPACE_LIST \
+ CHAR_LF, CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, 0x2028, 0x2029, NOTACHAR
+
+#define VSPACE_MULTIBYTE_CASES \
+ case 0x2028: /* LINE SEPARATOR */ \
+ case 0x2029 /* PARAGRAPH SEPARATOR */
+
+#define VSPACE_BYTE_CASES \
+ case CHAR_LF: \
+ case CHAR_VT: \
+ case CHAR_FF: \
+ case CHAR_CR: \
+ case CHAR_NEL
+
+#define VSPACE_CASES \
+ VSPACE_BYTE_CASES: \
+ VSPACE_MULTIBYTE_CASES
+
+/* ------ EBCDIC environments ------ */
+
+#else
+#define HSPACE_LIST CHAR_HT, CHAR_SPACE, CHAR_NBSP, NOTACHAR
+
+#define HSPACE_BYTE_CASES \
+ case CHAR_HT: \
+ case CHAR_SPACE: \
+ case CHAR_NBSP
+
+#define HSPACE_CASES HSPACE_BYTE_CASES
+
+#ifdef EBCDIC_NL25
+#define VSPACE_LIST \
+ CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR
+#else
+#define VSPACE_LIST \
+ CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR
+#endif
+
+#define VSPACE_BYTE_CASES \
+ case CHAR_LF: \
+ case CHAR_VT: \
+ case CHAR_FF: \
+ case CHAR_CR: \
+ case CHAR_NEL
+
+#define VSPACE_CASES VSPACE_BYTE_CASES
+#endif /* EBCDIC */
+
+/* ------ End of whitespace macros ------ */
+
+
+
+/* Private flags containing information about the compiled regex. They used to
+live at the top end of the options word, but that got almost full, so they were
+moved to a 16-bit flags word - which got almost full, so now they are in a
+32-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as the
+restrictions on partial matching have been lifted. It remains for backwards
+compatibility. */
+
+#define PCRE_MODE8 0x00000001 /* compiled in 8 bit mode */
+#define PCRE_MODE16 0x00000002 /* compiled in 16 bit mode */
+#define PCRE_MODE32 0x00000004 /* compiled in 32 bit mode */
+#define PCRE_FIRSTSET 0x00000010 /* first_char is set */
+#define PCRE_FCH_CASELESS 0x00000020 /* caseless first char */
+#define PCRE_REQCHSET 0x00000040 /* req_byte is set */
+#define PCRE_RCH_CASELESS 0x00000080 /* caseless requested char */
+#define PCRE_STARTLINE 0x00000100 /* start after \n for multiline */
+#define PCRE_NOPARTIAL 0x00000200 /* can't use partial with this regex */
+#define PCRE_JCHANGED 0x00000400 /* j option used in regex */
+#define PCRE_HASCRORLF 0x00000800 /* explicit \r or \n in pattern */
+#define PCRE_HASTHEN 0x00001000 /* pattern contains (*THEN) */
+#define PCRE_MLSET 0x00002000 /* match limit set by regex */
+#define PCRE_RLSET 0x00004000 /* recursion limit set by regex */
+#define PCRE_MATCH_EMPTY 0x00008000 /* pattern can match empty string */
+
+#if defined COMPILE_PCRE8
+#define PCRE_MODE PCRE_MODE8
+#elif defined COMPILE_PCRE16
+#define PCRE_MODE PCRE_MODE16
+#elif defined COMPILE_PCRE32
+#define PCRE_MODE PCRE_MODE32
+#endif
+#define PCRE_MODE_MASK (PCRE_MODE8 | PCRE_MODE16 | PCRE_MODE32)
+
+/* Flags for the "extra" block produced by pcre_study(). */
+
+#define PCRE_STUDY_MAPPED 0x0001 /* a map of starting chars exists */
+#define PCRE_STUDY_MINLEN 0x0002 /* a minimum length field exists */
+
+/* Masks for identifying the public options that are permitted at compile
+time, run time, or study time, respectively. */
+
+#define PCRE_NEWLINE_BITS (PCRE_NEWLINE_CR|PCRE_NEWLINE_LF|PCRE_NEWLINE_ANY| \
+ PCRE_NEWLINE_ANYCRLF)
+
+#define PUBLIC_COMPILE_OPTIONS \
+ (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
+ PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \
+ PCRE_NO_AUTO_CAPTURE|PCRE_NO_AUTO_POSSESS| \
+ PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \
+ PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
+ PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE|PCRE_NEVER_UTF)
+
+#define PUBLIC_EXEC_OPTIONS \
+ (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
+ PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_NEWLINE_BITS| \
+ PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE|PCRE_NO_START_OPTIMIZE)
+
+#define PUBLIC_DFA_EXEC_OPTIONS \
+ (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
+ PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_DFA_SHORTEST| \
+ PCRE_DFA_RESTART|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
+ PCRE_NO_START_OPTIMIZE)
+
+#define PUBLIC_STUDY_OPTIONS \
+ (PCRE_STUDY_JIT_COMPILE|PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE| \
+ PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE|PCRE_STUDY_EXTRA_NEEDED)
+
+#define PUBLIC_JIT_EXEC_OPTIONS \
+ (PCRE_NO_UTF8_CHECK|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|\
+ PCRE_NOTEMPTY_ATSTART|PCRE_PARTIAL_SOFT|PCRE_PARTIAL_HARD)
+
+/* Magic number to provide a small check against being handed junk. */
+
+#define MAGIC_NUMBER 0x50435245UL /* 'PCRE' */
+
+/* This variable is used to detect a loaded regular expression
+in different endianness. */
+
+#define REVERSED_MAGIC_NUMBER 0x45524350UL /* 'ERCP' */
+
+/* The maximum remaining length of subject we are prepared to search for a
+req_byte match. */
+
+#define REQ_BYTE_MAX 1000
+
+/* Miscellaneous definitions. The #ifndef is to pacify compiler warnings in
+environments where these macros are defined elsewhere. Unfortunately, there
+is no way to do the same for the typedef. */
+
+typedef int BOOL;
+
+#ifndef FALSE
+#define FALSE 0
+#define TRUE 1
+#endif
+
+/* If PCRE is to support UTF-8 on EBCDIC platforms, we cannot use normal
+character constants like '*' because the compiler would emit their EBCDIC code,
+which is different from their ASCII/UTF-8 code. Instead we define macros for
+the characters so that they always use the ASCII/UTF-8 code when UTF-8 support
+is enabled. When UTF-8 support is not enabled, the definitions use character
+literals. Both character and string versions of each character are needed, and
+there are some longer strings as well.
+
+This means that, on EBCDIC platforms, the PCRE library can handle either
+EBCDIC, or UTF-8, but not both. To support both in the same compiled library
+would need different lookups depending on whether PCRE_UTF8 was set or not.
+This would make it impossible to use characters in switch/case statements,
+which would reduce performance. For a theoretical use (which nobody has asked
+for) in a minority area (EBCDIC platforms), this is not sensible. Any
+application that did need both could compile two versions of the library, using
+macros to give the functions distinct names. */
+
+#ifndef SUPPORT_UTF
+
+/* UTF-8 support is not enabled; use the platform-dependent character literals
+so that PCRE works in both ASCII and EBCDIC environments, but only in non-UTF
+mode. Newline characters are problematic in EBCDIC. Though it has CR and LF
+characters, a common practice has been to use its NL (0x15) character as the
+line terminator in C-like processing environments. However, sometimes the LF
+(0x25) character is used instead, according to this Unicode document:
+
+http://unicode.org/standard/reports/tr13/tr13-5.html
+
+PCRE defaults EBCDIC NL to 0x15, but has a build-time option to select 0x25
+instead. Whichever is *not* chosen is defined as NEL.
+
+In both ASCII and EBCDIC environments, CHAR_NL and CHAR_LF are synonyms for the
+same code point. */
+
+#ifdef EBCDIC
+
+#ifndef EBCDIC_NL25
+#define CHAR_NL '\x15'
+#define CHAR_NEL '\x25'
+#define STR_NL "\x15"
+#define STR_NEL "\x25"
+#else
+#define CHAR_NL '\x25'
+#define CHAR_NEL '\x15'
+#define STR_NL "\x25"
+#define STR_NEL "\x15"
+#endif
+
+#define CHAR_LF CHAR_NL
+#define STR_LF STR_NL
+
+#define CHAR_ESC '\047'
+#define CHAR_DEL '\007'
+#define CHAR_NBSP '\x41'
+#define STR_ESC "\047"
+#define STR_DEL "\007"
+
+#else /* Not EBCDIC */
+
+/* In ASCII/Unicode, linefeed is '\n' and we equate this to NL for
+compatibility. NEL is the Unicode newline character; make sure it is
+a positive value. */
+
+#define CHAR_LF '\n'
+#define CHAR_NL CHAR_LF
+#define CHAR_NEL ((unsigned char)'\x85')
+#define CHAR_ESC '\033'
+#define CHAR_DEL '\177'
+#define CHAR_NBSP ((unsigned char)'\xa0')
+
+#define STR_LF "\n"
+#define STR_NL STR_LF
+#define STR_NEL "\x85"
+#define STR_ESC "\033"
+#define STR_DEL "\177"
+
+#endif /* EBCDIC */
+
+/* The remaining definitions work in both environments. */
+
+#define CHAR_NULL '\0'
+#define CHAR_HT '\t'
+#define CHAR_VT '\v'
+#define CHAR_FF '\f'
+#define CHAR_CR '\r'
+#define CHAR_BS '\b'
+#define CHAR_BEL '\a'
+
+#define CHAR_SPACE ' '
+#define CHAR_EXCLAMATION_MARK '!'
+#define CHAR_QUOTATION_MARK '"'
+#define CHAR_NUMBER_SIGN '#'
+#define CHAR_DOLLAR_SIGN '$'
+#define CHAR_PERCENT_SIGN '%'
+#define CHAR_AMPERSAND '&'
+#define CHAR_APOSTROPHE '\''
+#define CHAR_LEFT_PARENTHESIS '('
+#define CHAR_RIGHT_PARENTHESIS ')'
+#define CHAR_ASTERISK '*'
+#define CHAR_PLUS '+'
+#define CHAR_COMMA ','
+#define CHAR_MINUS '-'
+#define CHAR_DOT '.'
+#define CHAR_SLASH '/'
+#define CHAR_0 '0'
+#define CHAR_1 '1'
+#define CHAR_2 '2'
+#define CHAR_3 '3'
+#define CHAR_4 '4'
+#define CHAR_5 '5'
+#define CHAR_6 '6'
+#define CHAR_7 '7'
+#define CHAR_8 '8'
+#define CHAR_9 '9'
+#define CHAR_COLON ':'
+#define CHAR_SEMICOLON ';'
+#define CHAR_LESS_THAN_SIGN '<'
+#define CHAR_EQUALS_SIGN '='
+#define CHAR_GREATER_THAN_SIGN '>'
+#define CHAR_QUESTION_MARK '?'
+#define CHAR_COMMERCIAL_AT '@'
+#define CHAR_A 'A'
+#define CHAR_B 'B'
+#define CHAR_C 'C'
+#define CHAR_D 'D'
+#define CHAR_E 'E'
+#define CHAR_F 'F'
+#define CHAR_G 'G'
+#define CHAR_H 'H'
+#define CHAR_I 'I'
+#define CHAR_J 'J'
+#define CHAR_K 'K'
+#define CHAR_L 'L'
+#define CHAR_M 'M'
+#define CHAR_N 'N'
+#define CHAR_O 'O'
+#define CHAR_P 'P'
+#define CHAR_Q 'Q'
+#define CHAR_R 'R'
+#define CHAR_S 'S'
+#define CHAR_T 'T'
+#define CHAR_U 'U'
+#define CHAR_V 'V'
+#define CHAR_W 'W'
+#define CHAR_X 'X'
+#define CHAR_Y 'Y'
+#define CHAR_Z 'Z'
+#define CHAR_LEFT_SQUARE_BRACKET '['
+#define CHAR_BACKSLASH '\\'
+#define CHAR_RIGHT_SQUARE_BRACKET ']'
+#define CHAR_CIRCUMFLEX_ACCENT '^'
+#define CHAR_UNDERSCORE '_'
+#define CHAR_GRAVE_ACCENT '`'
+#define CHAR_a 'a'
+#define CHAR_b 'b'
+#define CHAR_c 'c'
+#define CHAR_d 'd'
+#define CHAR_e 'e'
+#define CHAR_f 'f'
+#define CHAR_g 'g'
+#define CHAR_h 'h'
+#define CHAR_i 'i'
+#define CHAR_j 'j'
+#define CHAR_k 'k'
+#define CHAR_l 'l'
+#define CHAR_m 'm'
+#define CHAR_n 'n'
+#define CHAR_o 'o'
+#define CHAR_p 'p'
+#define CHAR_q 'q'
+#define CHAR_r 'r'
+#define CHAR_s 's'
+#define CHAR_t 't'
+#define CHAR_u 'u'
+#define CHAR_v 'v'
+#define CHAR_w 'w'
+#define CHAR_x 'x'
+#define CHAR_y 'y'
+#define CHAR_z 'z'
+#define CHAR_LEFT_CURLY_BRACKET '{'
+#define CHAR_VERTICAL_LINE '|'
+#define CHAR_RIGHT_CURLY_BRACKET '}'
+#define CHAR_TILDE '~'
+
+#define STR_HT "\t"
+#define STR_VT "\v"
+#define STR_FF "\f"
+#define STR_CR "\r"
+#define STR_BS "\b"
+#define STR_BEL "\a"
+
+#define STR_SPACE " "
+#define STR_EXCLAMATION_MARK "!"
+#define STR_QUOTATION_MARK "\""
+#define STR_NUMBER_SIGN "#"
+#define STR_DOLLAR_SIGN "$"
+#define STR_PERCENT_SIGN "%"
+#define STR_AMPERSAND "&"
+#define STR_APOSTROPHE "'"
+#define STR_LEFT_PARENTHESIS "("
+#define STR_RIGHT_PARENTHESIS ")"
+#define STR_ASTERISK "*"
+#define STR_PLUS "+"
+#define STR_COMMA ","
+#define STR_MINUS "-"
+#define STR_DOT "."
+#define STR_SLASH "/"
+#define STR_0 "0"
+#define STR_1 "1"
+#define STR_2 "2"
+#define STR_3 "3"
+#define STR_4 "4"
+#define STR_5 "5"
+#define STR_6 "6"
+#define STR_7 "7"
+#define STR_8 "8"
+#define STR_9 "9"
+#define STR_COLON ":"
+#define STR_SEMICOLON ";"
+#define STR_LESS_THAN_SIGN "<"
+#define STR_EQUALS_SIGN "="
+#define STR_GREATER_THAN_SIGN ">"
+#define STR_QUESTION_MARK "?"
+#define STR_COMMERCIAL_AT "@"
+#define STR_A "A"
+#define STR_B "B"
+#define STR_C "C"
+#define STR_D "D"
+#define STR_E "E"
+#define STR_F "F"
+#define STR_G "G"
+#define STR_H "H"
+#define STR_I "I"
+#define STR_J "J"
+#define STR_K "K"
+#define STR_L "L"
+#define STR_M "M"
+#define STR_N "N"
+#define STR_O "O"
+#define STR_P "P"
+#define STR_Q "Q"
+#define STR_R "R"
+#define STR_S "S"
+#define STR_T "T"
+#define STR_U "U"
+#define STR_V "V"
+#define STR_W "W"
+#define STR_X "X"
+#define STR_Y "Y"
+#define STR_Z "Z"
+#define STR_LEFT_SQUARE_BRACKET "["
+#define STR_BACKSLASH "\\"
+#define STR_RIGHT_SQUARE_BRACKET "]"
+#define STR_CIRCUMFLEX_ACCENT "^"
+#define STR_UNDERSCORE "_"
+#define STR_GRAVE_ACCENT "`"
+#define STR_a "a"
+#define STR_b "b"
+#define STR_c "c"
+#define STR_d "d"
+#define STR_e "e"
+#define STR_f "f"
+#define STR_g "g"
+#define STR_h "h"
+#define STR_i "i"
+#define STR_j "j"
+#define STR_k "k"
+#define STR_l "l"
+#define STR_m "m"
+#define STR_n "n"
+#define STR_o "o"
+#define STR_p "p"
+#define STR_q "q"
+#define STR_r "r"
+#define STR_s "s"
+#define STR_t "t"
+#define STR_u "u"
+#define STR_v "v"
+#define STR_w "w"
+#define STR_x "x"
+#define STR_y "y"
+#define STR_z "z"
+#define STR_LEFT_CURLY_BRACKET "{"
+#define STR_VERTICAL_LINE "|"
+#define STR_RIGHT_CURLY_BRACKET "}"
+#define STR_TILDE "~"
+
+#define STRING_ACCEPT0 "ACCEPT\0"
+#define STRING_COMMIT0 "COMMIT\0"
+#define STRING_F0 "F\0"
+#define STRING_FAIL0 "FAIL\0"
+#define STRING_MARK0 "MARK\0"
+#define STRING_PRUNE0 "PRUNE\0"
+#define STRING_SKIP0 "SKIP\0"
+#define STRING_THEN "THEN"
+
+#define STRING_alpha0 "alpha\0"
+#define STRING_lower0 "lower\0"
+#define STRING_upper0 "upper\0"
+#define STRING_alnum0 "alnum\0"
+#define STRING_ascii0 "ascii\0"
+#define STRING_blank0 "blank\0"
+#define STRING_cntrl0 "cntrl\0"
+#define STRING_digit0 "digit\0"
+#define STRING_graph0 "graph\0"
+#define STRING_print0 "print\0"
+#define STRING_punct0 "punct\0"
+#define STRING_space0 "space\0"
+#define STRING_word0 "word\0"
+#define STRING_xdigit "xdigit"
+
+#define STRING_DEFINE "DEFINE"
+#define STRING_WEIRD_STARTWORD "[:<:]]"
+#define STRING_WEIRD_ENDWORD "[:>:]]"
+
+#define STRING_CR_RIGHTPAR "CR)"
+#define STRING_LF_RIGHTPAR "LF)"
+#define STRING_CRLF_RIGHTPAR "CRLF)"
+#define STRING_ANY_RIGHTPAR "ANY)"
+#define STRING_ANYCRLF_RIGHTPAR "ANYCRLF)"
+#define STRING_BSR_ANYCRLF_RIGHTPAR "BSR_ANYCRLF)"
+#define STRING_BSR_UNICODE_RIGHTPAR "BSR_UNICODE)"
+#define STRING_UTF8_RIGHTPAR "UTF8)"
+#define STRING_UTF16_RIGHTPAR "UTF16)"
+#define STRING_UTF32_RIGHTPAR "UTF32)"
+#define STRING_UTF_RIGHTPAR "UTF)"
+#define STRING_UCP_RIGHTPAR "UCP)"
+#define STRING_NO_AUTO_POSSESS_RIGHTPAR "NO_AUTO_POSSESS)"
+#define STRING_NO_START_OPT_RIGHTPAR "NO_START_OPT)"
+#define STRING_LIMIT_MATCH_EQ "LIMIT_MATCH="
+#define STRING_LIMIT_RECURSION_EQ "LIMIT_RECURSION="
+
+#else /* SUPPORT_UTF */
+
+/* UTF-8 support is enabled; always use UTF-8 (=ASCII) character codes. This
+works in both modes non-EBCDIC platforms, and on EBCDIC platforms in UTF-8 mode
+only. */
+
+#define CHAR_HT '\011'
+#define CHAR_VT '\013'
+#define CHAR_FF '\014'
+#define CHAR_CR '\015'
+#define CHAR_LF '\012'
+#define CHAR_NL CHAR_LF
+#define CHAR_NEL ((unsigned char)'\x85')
+#define CHAR_BS '\010'
+#define CHAR_BEL '\007'
+#define CHAR_ESC '\033'
+#define CHAR_DEL '\177'
+
+#define CHAR_NULL '\0'
+#define CHAR_SPACE '\040'
+#define CHAR_EXCLAMATION_MARK '\041'
+#define CHAR_QUOTATION_MARK '\042'
+#define CHAR_NUMBER_SIGN '\043'
+#define CHAR_DOLLAR_SIGN '\044'
+#define CHAR_PERCENT_SIGN '\045'
+#define CHAR_AMPERSAND '\046'
+#define CHAR_APOSTROPHE '\047'
+#define CHAR_LEFT_PARENTHESIS '\050'
+#define CHAR_RIGHT_PARENTHESIS '\051'
+#define CHAR_ASTERISK '\052'
+#define CHAR_PLUS '\053'
+#define CHAR_COMMA '\054'
+#define CHAR_MINUS '\055'
+#define CHAR_DOT '\056'
+#define CHAR_SLASH '\057'
+#define CHAR_0 '\060'
+#define CHAR_1 '\061'
+#define CHAR_2 '\062'
+#define CHAR_3 '\063'
+#define CHAR_4 '\064'
+#define CHAR_5 '\065'
+#define CHAR_6 '\066'
+#define CHAR_7 '\067'
+#define CHAR_8 '\070'
+#define CHAR_9 '\071'
+#define CHAR_COLON '\072'
+#define CHAR_SEMICOLON '\073'
+#define CHAR_LESS_THAN_SIGN '\074'
+#define CHAR_EQUALS_SIGN '\075'
+#define CHAR_GREATER_THAN_SIGN '\076'
+#define CHAR_QUESTION_MARK '\077'
+#define CHAR_COMMERCIAL_AT '\100'
+#define CHAR_A '\101'
+#define CHAR_B '\102'
+#define CHAR_C '\103'
+#define CHAR_D '\104'
+#define CHAR_E '\105'
+#define CHAR_F '\106'
+#define CHAR_G '\107'
+#define CHAR_H '\110'
+#define CHAR_I '\111'
+#define CHAR_J '\112'
+#define CHAR_K '\113'
+#define CHAR_L '\114'
+#define CHAR_M '\115'
+#define CHAR_N '\116'
+#define CHAR_O '\117'
+#define CHAR_P '\120'
+#define CHAR_Q '\121'
+#define CHAR_R '\122'
+#define CHAR_S '\123'
+#define CHAR_T '\124'
+#define CHAR_U '\125'
+#define CHAR_V '\126'
+#define CHAR_W '\127'
+#define CHAR_X '\130'
+#define CHAR_Y '\131'
+#define CHAR_Z '\132'
+#define CHAR_LEFT_SQUARE_BRACKET '\133'
+#define CHAR_BACKSLASH '\134'
+#define CHAR_RIGHT_SQUARE_BRACKET '\135'
+#define CHAR_CIRCUMFLEX_ACCENT '\136'
+#define CHAR_UNDERSCORE '\137'
+#define CHAR_GRAVE_ACCENT '\140'
+#define CHAR_a '\141'
+#define CHAR_b '\142'
+#define CHAR_c '\143'
+#define CHAR_d '\144'
+#define CHAR_e '\145'
+#define CHAR_f '\146'
+#define CHAR_g '\147'
+#define CHAR_h '\150'
+#define CHAR_i '\151'
+#define CHAR_j '\152'
+#define CHAR_k '\153'
+#define CHAR_l '\154'
+#define CHAR_m '\155'
+#define CHAR_n '\156'
+#define CHAR_o '\157'
+#define CHAR_p '\160'
+#define CHAR_q '\161'
+#define CHAR_r '\162'
+#define CHAR_s '\163'
+#define CHAR_t '\164'
+#define CHAR_u '\165'
+#define CHAR_v '\166'
+#define CHAR_w '\167'
+#define CHAR_x '\170'
+#define CHAR_y '\171'
+#define CHAR_z '\172'
+#define CHAR_LEFT_CURLY_BRACKET '\173'
+#define CHAR_VERTICAL_LINE '\174'
+#define CHAR_RIGHT_CURLY_BRACKET '\175'
+#define CHAR_TILDE '\176'
+#define CHAR_NBSP ((unsigned char)'\xa0')
+
+#define STR_HT "\011"
+#define STR_VT "\013"
+#define STR_FF "\014"
+#define STR_CR "\015"
+#define STR_NL "\012"
+#define STR_BS "\010"
+#define STR_BEL "\007"
+#define STR_ESC "\033"
+#define STR_DEL "\177"
+
+#define STR_SPACE "\040"
+#define STR_EXCLAMATION_MARK "\041"
+#define STR_QUOTATION_MARK "\042"
+#define STR_NUMBER_SIGN "\043"
+#define STR_DOLLAR_SIGN "\044"
+#define STR_PERCENT_SIGN "\045"
+#define STR_AMPERSAND "\046"
+#define STR_APOSTROPHE "\047"
+#define STR_LEFT_PARENTHESIS "\050"
+#define STR_RIGHT_PARENTHESIS "\051"
+#define STR_ASTERISK "\052"
+#define STR_PLUS "\053"
+#define STR_COMMA "\054"
+#define STR_MINUS "\055"
+#define STR_DOT "\056"
+#define STR_SLASH "\057"
+#define STR_0 "\060"
+#define STR_1 "\061"
+#define STR_2 "\062"
+#define STR_3 "\063"
+#define STR_4 "\064"
+#define STR_5 "\065"
+#define STR_6 "\066"
+#define STR_7 "\067"
+#define STR_8 "\070"
+#define STR_9 "\071"
+#define STR_COLON "\072"
+#define STR_SEMICOLON "\073"
+#define STR_LESS_THAN_SIGN "\074"
+#define STR_EQUALS_SIGN "\075"
+#define STR_GREATER_THAN_SIGN "\076"
+#define STR_QUESTION_MARK "\077"
+#define STR_COMMERCIAL_AT "\100"
+#define STR_A "\101"
+#define STR_B "\102"
+#define STR_C "\103"
+#define STR_D "\104"
+#define STR_E "\105"
+#define STR_F "\106"
+#define STR_G "\107"
+#define STR_H "\110"
+#define STR_I "\111"
+#define STR_J "\112"
+#define STR_K "\113"
+#define STR_L "\114"
+#define STR_M "\115"
+#define STR_N "\116"
+#define STR_O "\117"
+#define STR_P "\120"
+#define STR_Q "\121"
+#define STR_R "\122"
+#define STR_S "\123"
+#define STR_T "\124"
+#define STR_U "\125"
+#define STR_V "\126"
+#define STR_W "\127"
+#define STR_X "\130"
+#define STR_Y "\131"
+#define STR_Z "\132"
+#define STR_LEFT_SQUARE_BRACKET "\133"
+#define STR_BACKSLASH "\134"
+#define STR_RIGHT_SQUARE_BRACKET "\135"
+#define STR_CIRCUMFLEX_ACCENT "\136"
+#define STR_UNDERSCORE "\137"
+#define STR_GRAVE_ACCENT "\140"
+#define STR_a "\141"
+#define STR_b "\142"
+#define STR_c "\143"
+#define STR_d "\144"
+#define STR_e "\145"
+#define STR_f "\146"
+#define STR_g "\147"
+#define STR_h "\150"
+#define STR_i "\151"
+#define STR_j "\152"
+#define STR_k "\153"
+#define STR_l "\154"
+#define STR_m "\155"
+#define STR_n "\156"
+#define STR_o "\157"
+#define STR_p "\160"
+#define STR_q "\161"
+#define STR_r "\162"
+#define STR_s "\163"
+#define STR_t "\164"
+#define STR_u "\165"
+#define STR_v "\166"
+#define STR_w "\167"
+#define STR_x "\170"
+#define STR_y "\171"
+#define STR_z "\172"
+#define STR_LEFT_CURLY_BRACKET "\173"
+#define STR_VERTICAL_LINE "\174"
+#define STR_RIGHT_CURLY_BRACKET "\175"
+#define STR_TILDE "\176"
+
+#define STRING_ACCEPT0 STR_A STR_C STR_C STR_E STR_P STR_T "\0"
+#define STRING_COMMIT0 STR_C STR_O STR_M STR_M STR_I STR_T "\0"
+#define STRING_F0 STR_F "\0"
+#define STRING_FAIL0 STR_F STR_A STR_I STR_L "\0"
+#define STRING_MARK0 STR_M STR_A STR_R STR_K "\0"
+#define STRING_PRUNE0 STR_P STR_R STR_U STR_N STR_E "\0"
+#define STRING_SKIP0 STR_S STR_K STR_I STR_P "\0"
+#define STRING_THEN STR_T STR_H STR_E STR_N
+
+#define STRING_alpha0 STR_a STR_l STR_p STR_h STR_a "\0"
+#define STRING_lower0 STR_l STR_o STR_w STR_e STR_r "\0"
+#define STRING_upper0 STR_u STR_p STR_p STR_e STR_r "\0"
+#define STRING_alnum0 STR_a STR_l STR_n STR_u STR_m "\0"
+#define STRING_ascii0 STR_a STR_s STR_c STR_i STR_i "\0"
+#define STRING_blank0 STR_b STR_l STR_a STR_n STR_k "\0"
+#define STRING_cntrl0 STR_c STR_n STR_t STR_r STR_l "\0"
+#define STRING_digit0 STR_d STR_i STR_g STR_i STR_t "\0"
+#define STRING_graph0 STR_g STR_r STR_a STR_p STR_h "\0"
+#define STRING_print0 STR_p STR_r STR_i STR_n STR_t "\0"
+#define STRING_punct0 STR_p STR_u STR_n STR_c STR_t "\0"
+#define STRING_space0 STR_s STR_p STR_a STR_c STR_e "\0"
+#define STRING_word0 STR_w STR_o STR_r STR_d "\0"
+#define STRING_xdigit STR_x STR_d STR_i STR_g STR_i STR_t
+
+#define STRING_DEFINE STR_D STR_E STR_F STR_I STR_N STR_E
+#define STRING_WEIRD_STARTWORD STR_LEFT_SQUARE_BRACKET STR_COLON STR_LESS_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
+#define STRING_WEIRD_ENDWORD STR_LEFT_SQUARE_BRACKET STR_COLON STR_GREATER_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
+
+#define STRING_CR_RIGHTPAR STR_C STR_R STR_RIGHT_PARENTHESIS
+#define STRING_LF_RIGHTPAR STR_L STR_F STR_RIGHT_PARENTHESIS
+#define STRING_CRLF_RIGHTPAR STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
+#define STRING_ANY_RIGHTPAR STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS
+#define STRING_ANYCRLF_RIGHTPAR STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
+#define STRING_BSR_ANYCRLF_RIGHTPAR STR_B STR_S STR_R STR_UNDERSCORE STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
+#define STRING_BSR_UNICODE_RIGHTPAR STR_B STR_S STR_R STR_UNDERSCORE STR_U STR_N STR_I STR_C STR_O STR_D STR_E STR_RIGHT_PARENTHESIS
+#define STRING_UTF8_RIGHTPAR STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS
+#define STRING_UTF16_RIGHTPAR STR_U STR_T STR_F STR_1 STR_6 STR_RIGHT_PARENTHESIS
+#define STRING_UTF32_RIGHTPAR STR_U STR_T STR_F STR_3 STR_2 STR_RIGHT_PARENTHESIS
+#define STRING_UTF_RIGHTPAR STR_U STR_T STR_F STR_RIGHT_PARENTHESIS
+#define STRING_UCP_RIGHTPAR STR_U STR_C STR_P STR_RIGHT_PARENTHESIS
+#define STRING_NO_AUTO_POSSESS_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_A STR_U STR_T STR_O STR_UNDERSCORE STR_P STR_O STR_S STR_S STR_E STR_S STR_S STR_RIGHT_PARENTHESIS
+#define STRING_NO_START_OPT_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_S STR_T STR_A STR_R STR_T STR_UNDERSCORE STR_O STR_P STR_T STR_RIGHT_PARENTHESIS
+#define STRING_LIMIT_MATCH_EQ STR_L STR_I STR_M STR_I STR_T STR_UNDERSCORE STR_M STR_A STR_T STR_C STR_H STR_EQUALS_SIGN
+#define STRING_LIMIT_RECURSION_EQ STR_L STR_I STR_M STR_I STR_T STR_UNDERSCORE STR_R STR_E STR_C STR_U STR_R STR_S STR_I STR_O STR_N STR_EQUALS_SIGN
+
+#endif /* SUPPORT_UTF */
+
+/* Escape items that are just an encoding of a particular data value. */
+
+#ifndef ESC_a
+#define ESC_a CHAR_BEL
+#endif
+
+#ifndef ESC_e
+#define ESC_e CHAR_ESC
+#endif
+
+#ifndef ESC_f
+#define ESC_f CHAR_FF
+#endif
+
+#ifndef ESC_n
+#define ESC_n CHAR_LF
+#endif
+
+#ifndef ESC_r
+#define ESC_r CHAR_CR
+#endif
+
+/* We can't officially use ESC_t because it is a POSIX reserved identifier
+(presumably because of all the others like size_t). */
+
+#ifndef ESC_tee
+#define ESC_tee CHAR_HT
+#endif
+
+/* Codes for different types of Unicode property */
+
+#define PT_ANY 0 /* Any property - matches all chars */
+#define PT_LAMP 1 /* L& - the union of Lu, Ll, Lt */
+#define PT_GC 2 /* Specified general characteristic (e.g. L) */
+#define PT_PC 3 /* Specified particular characteristic (e.g. Lu) */
+#define PT_SC 4 /* Script (e.g. Han) */
+#define PT_ALNUM 5 /* Alphanumeric - the union of L and N */
+#define PT_SPACE 6 /* Perl space - Z plus 9,10,12,13 */
+#define PT_PXSPACE 7 /* POSIX space - Z plus 9,10,11,12,13 */
+#define PT_WORD 8 /* Word - L plus N plus underscore */
+#define PT_CLIST 9 /* Pseudo-property: match character list */
+#define PT_UCNC 10 /* Universal Character nameable character */
+#define PT_TABSIZE 11 /* Size of square table for autopossessify tests */
+
+/* The following special properties are used only in XCLASS items, when POSIX
+classes are specified and PCRE_UCP is set - in other words, for Unicode
+handling of these classes. They are not available via the \p or \P escapes like
+those in the above list, and so they do not take part in the autopossessifying
+table. */
+
+#define PT_PXGRAPH 11 /* [:graph:] - characters that mark the paper */
+#define PT_PXPRINT 12 /* [:print:] - [:graph:] plus non-control spaces */
+#define PT_PXPUNCT 13 /* [:punct:] - punctuation characters */
+
+/* Flag bits and data types for the extended class (OP_XCLASS) for classes that
+contain characters with values greater than 255. */
+
+#define XCL_NOT 0x01 /* Flag: this is a negative class */
+#define XCL_MAP 0x02 /* Flag: a 32-byte map is present */
+#define XCL_HASPROP 0x04 /* Flag: property checks are present. */
+
+#define XCL_END 0 /* Marks end of individual items */
+#define XCL_SINGLE 1 /* Single item (one multibyte char) follows */
+#define XCL_RANGE 2 /* A range (two multibyte chars) follows */
+#define XCL_PROP 3 /* Unicode property (2-byte property code follows) */
+#define XCL_NOTPROP 4 /* Unicode inverted property (ditto) */
+
+/* These are escaped items that aren't just an encoding of a particular data
+value such as \n. They must have non-zero values, as check_escape() returns 0
+for a data character. Also, they must appear in the same order as in the
+opcode definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it
+corresponds to "." in DOTALL mode rather than an escape sequence. It is also
+used for [^] in JavaScript compatibility mode, and for \C in non-utf mode. In
+non-DOTALL mode, "." behaves like \N.
+
+The special values ESC_DU, ESC_du, etc. are used instead of ESC_D, ESC_d, etc.
+when PCRE_UCP is set and replacement of \d etc by \p sequences is required.
+They must be contiguous, and remain in order so that the replacements can be
+looked up from a table.
+
+Negative numbers are used to encode a backreference (\1, \2, \3, etc.) in
+check_escape(). There are two tests in the code for an escape
+greater than ESC_b and less than ESC_Z to detect the types that may be
+repeated. These are the types that consume characters. If any new escapes are
+put in between that don't consume a character, that code will have to change.
+*/
+
+enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s,
+ ESC_W, ESC_w, ESC_N, ESC_dum, ESC_C, ESC_P, ESC_p, ESC_R, ESC_H,
+ ESC_h, ESC_V, ESC_v, ESC_X, ESC_Z, ESC_z,
+ ESC_E, ESC_Q, ESC_g, ESC_k,
+ ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu };
+
+
+/********************** Opcode definitions ******************/
+
+/****** NOTE NOTE NOTE ******
+
+Starting from 1 (i.e. after OP_END), the values up to OP_EOD must correspond in
+order to the list of escapes immediately above. Furthermore, values up to
+OP_DOLLM must not be changed without adjusting the table called autoposstab in
+pcre_compile.c
+
+Whenever this list is updated, the two macro definitions that follow must be
+updated to match. The possessification table called "opcode_possessify" in
+pcre_compile.c must also be updated, and also the tables called "coptable"
+and "poptable" in pcre_dfa_exec.c.
+
+****** NOTE NOTE NOTE ******/
+
+
+/* The values between FIRST_AUTOTAB_OP and LAST_AUTOTAB_RIGHT_OP, inclusive,
+are used in a table for deciding whether a repeated character type can be
+auto-possessified. */
+
+#define FIRST_AUTOTAB_OP OP_NOT_DIGIT
+#define LAST_AUTOTAB_LEFT_OP OP_EXTUNI
+#define LAST_AUTOTAB_RIGHT_OP OP_DOLLM
+
+enum {
+ OP_END, /* 0 End of pattern */
+
+ /* Values corresponding to backslashed metacharacters */
+
+ OP_SOD, /* 1 Start of data: \A */
+ OP_SOM, /* 2 Start of match (subject + offset): \G */
+ OP_SET_SOM, /* 3 Set start of match (\K) */
+ OP_NOT_WORD_BOUNDARY, /* 4 \B */
+ OP_WORD_BOUNDARY, /* 5 \b */
+ OP_NOT_DIGIT, /* 6 \D */
+ OP_DIGIT, /* 7 \d */
+ OP_NOT_WHITESPACE, /* 8 \S */
+ OP_WHITESPACE, /* 9 \s */
+ OP_NOT_WORDCHAR, /* 10 \W */
+ OP_WORDCHAR, /* 11 \w */
+
+ OP_ANY, /* 12 Match any character except newline (\N) */
+ OP_ALLANY, /* 13 Match any character */
+ OP_ANYBYTE, /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */
+ OP_NOTPROP, /* 15 \P (not Unicode property) */
+ OP_PROP, /* 16 \p (Unicode property) */
+ OP_ANYNL, /* 17 \R (any newline sequence) */
+ OP_NOT_HSPACE, /* 18 \H (not horizontal whitespace) */
+ OP_HSPACE, /* 19 \h (horizontal whitespace) */
+ OP_NOT_VSPACE, /* 20 \V (not vertical whitespace) */
+ OP_VSPACE, /* 21 \v (vertical whitespace) */
+ OP_EXTUNI, /* 22 \X (extended Unicode sequence */
+ OP_EODN, /* 23 End of data or \n at end of data (\Z) */
+ OP_EOD, /* 24 End of data (\z) */
+
+ /* Line end assertions */
+
+ OP_DOLL, /* 25 End of line - not multiline */
+ OP_DOLLM, /* 26 End of line - multiline */
+ OP_CIRC, /* 27 Start of line - not multiline */
+ OP_CIRCM, /* 28 Start of line - multiline */
+
+ /* Single characters; caseful must precede the caseless ones */
+
+ OP_CHAR, /* 29 Match one character, casefully */
+ OP_CHARI, /* 30 Match one character, caselessly */
+ OP_NOT, /* 31 Match one character, not the given one, casefully */
+ OP_NOTI, /* 32 Match one character, not the given one, caselessly */
+
+ /* The following sets of 13 opcodes must always be kept in step because
+ the offset from the first one is used to generate the others. */
+
+ /* Repeated characters; caseful must precede the caseless ones */
+
+ OP_STAR, /* 33 The maximizing and minimizing versions of */
+ OP_MINSTAR, /* 34 these six opcodes must come in pairs, with */
+ OP_PLUS, /* 35 the minimizing one second. */
+ OP_MINPLUS, /* 36 */
+ OP_QUERY, /* 37 */
+ OP_MINQUERY, /* 38 */
+
+ OP_UPTO, /* 39 From 0 to n matches of one character, caseful*/
+ OP_MINUPTO, /* 40 */
+ OP_EXACT, /* 41 Exactly n matches */
+
+ OP_POSSTAR, /* 42 Possessified star, caseful */
+ OP_POSPLUS, /* 43 Possessified plus, caseful */
+ OP_POSQUERY, /* 44 Posesssified query, caseful */
+ OP_POSUPTO, /* 45 Possessified upto, caseful */
+
+ /* Repeated characters; caseless must follow the caseful ones */
+
+ OP_STARI, /* 46 */
+ OP_MINSTARI, /* 47 */
+ OP_PLUSI, /* 48 */
+ OP_MINPLUSI, /* 49 */
+ OP_QUERYI, /* 50 */
+ OP_MINQUERYI, /* 51 */
+
+ OP_UPTOI, /* 52 From 0 to n matches of one character, caseless */
+ OP_MINUPTOI, /* 53 */
+ OP_EXACTI, /* 54 */
+
+ OP_POSSTARI, /* 55 Possessified star, caseless */
+ OP_POSPLUSI, /* 56 Possessified plus, caseless */
+ OP_POSQUERYI, /* 57 Posesssified query, caseless */
+ OP_POSUPTOI, /* 58 Possessified upto, caseless */
+
+ /* The negated ones must follow the non-negated ones, and match them */
+ /* Negated repeated character, caseful; must precede the caseless ones */
+
+ OP_NOTSTAR, /* 59 The maximizing and minimizing versions of */
+ OP_NOTMINSTAR, /* 60 these six opcodes must come in pairs, with */
+ OP_NOTPLUS, /* 61 the minimizing one second. They must be in */
+ OP_NOTMINPLUS, /* 62 exactly the same order as those above. */
+ OP_NOTQUERY, /* 63 */
+ OP_NOTMINQUERY, /* 64 */
+
+ OP_NOTUPTO, /* 65 From 0 to n matches, caseful */
+ OP_NOTMINUPTO, /* 66 */
+ OP_NOTEXACT, /* 67 Exactly n matches */
+
+ OP_NOTPOSSTAR, /* 68 Possessified versions, caseful */
+ OP_NOTPOSPLUS, /* 69 */
+ OP_NOTPOSQUERY, /* 70 */
+ OP_NOTPOSUPTO, /* 71 */
+
+ /* Negated repeated character, caseless; must follow the caseful ones */
+
+ OP_NOTSTARI, /* 72 */
+ OP_NOTMINSTARI, /* 73 */
+ OP_NOTPLUSI, /* 74 */
+ OP_NOTMINPLUSI, /* 75 */
+ OP_NOTQUERYI, /* 76 */
+ OP_NOTMINQUERYI, /* 77 */
+
+ OP_NOTUPTOI, /* 78 From 0 to n matches, caseless */
+ OP_NOTMINUPTOI, /* 79 */
+ OP_NOTEXACTI, /* 80 Exactly n matches */
+
+ OP_NOTPOSSTARI, /* 81 Possessified versions, caseless */
+ OP_NOTPOSPLUSI, /* 82 */
+ OP_NOTPOSQUERYI, /* 83 */
+ OP_NOTPOSUPTOI, /* 84 */
+
+ /* Character types */
+
+ OP_TYPESTAR, /* 85 The maximizing and minimizing versions of */
+ OP_TYPEMINSTAR, /* 86 these six opcodes must come in pairs, with */
+ OP_TYPEPLUS, /* 87 the minimizing one second. These codes must */
+ OP_TYPEMINPLUS, /* 88 be in exactly the same order as those above. */
+ OP_TYPEQUERY, /* 89 */
+ OP_TYPEMINQUERY, /* 90 */
+
+ OP_TYPEUPTO, /* 91 From 0 to n matches */
+ OP_TYPEMINUPTO, /* 92 */
+ OP_TYPEEXACT, /* 93 Exactly n matches */
+
+ OP_TYPEPOSSTAR, /* 94 Possessified versions */
+ OP_TYPEPOSPLUS, /* 95 */
+ OP_TYPEPOSQUERY, /* 96 */
+ OP_TYPEPOSUPTO, /* 97 */
+
+ /* These are used for character classes and back references; only the
+ first six are the same as the sets above. */
+
+ OP_CRSTAR, /* 98 The maximizing and minimizing versions of */
+ OP_CRMINSTAR, /* 99 all these opcodes must come in pairs, with */
+ OP_CRPLUS, /* 100 the minimizing one second. These codes must */
+ OP_CRMINPLUS, /* 101 be in exactly the same order as those above. */
+ OP_CRQUERY, /* 102 */
+ OP_CRMINQUERY, /* 103 */
+
+ OP_CRRANGE, /* 104 These are different to the three sets above. */
+ OP_CRMINRANGE, /* 105 */
+
+ OP_CRPOSSTAR, /* 106 Possessified versions */
+ OP_CRPOSPLUS, /* 107 */
+ OP_CRPOSQUERY, /* 108 */
+ OP_CRPOSRANGE, /* 109 */
+
+ /* End of quantifier opcodes */
+
+ OP_CLASS, /* 110 Match a character class, chars < 256 only */
+ OP_NCLASS, /* 111 Same, but the bitmap was created from a negative
+ class - the difference is relevant only when a
+ character > 255 is encountered. */
+ OP_XCLASS, /* 112 Extended class for handling > 255 chars within the
+ class. This does both positive and negative. */
+ OP_REF, /* 113 Match a back reference, casefully */
+ OP_REFI, /* 114 Match a back reference, caselessly */
+ OP_DNREF, /* 115 Match a duplicate name backref, casefully */
+ OP_DNREFI, /* 116 Match a duplicate name backref, caselessly */
+ OP_RECURSE, /* 117 Match a numbered subpattern (possibly recursive) */
+ OP_CALLOUT, /* 118 Call out to external function if provided */
+
+ OP_ALT, /* 119 Start of alternation */
+ OP_KET, /* 120 End of group that doesn't have an unbounded repeat */
+ OP_KETRMAX, /* 121 These two must remain together and in this */
+ OP_KETRMIN, /* 122 order. They are for groups the repeat for ever. */
+ OP_KETRPOS, /* 123 Possessive unlimited repeat. */
+
+ /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four
+ asserts must remain in order. */
+
+ OP_REVERSE, /* 124 Move pointer back - used in lookbehind assertions */
+ OP_ASSERT, /* 125 Positive lookahead */
+ OP_ASSERT_NOT, /* 126 Negative lookahead */
+ OP_ASSERTBACK, /* 127 Positive lookbehind */
+ OP_ASSERTBACK_NOT, /* 128 Negative lookbehind */
+
+ /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
+ after the assertions, with ONCE first, as there's a test for >= ONCE for a
+ subpattern that isn't an assertion. The POS versions must immediately follow
+ the non-POS versions in each case. */
+
+ OP_ONCE, /* 129 Atomic group, contains captures */
+ OP_ONCE_NC, /* 130 Atomic group containing no captures */
+ OP_BRA, /* 131 Start of non-capturing bracket */
+ OP_BRAPOS, /* 132 Ditto, with unlimited, possessive repeat */
+ OP_CBRA, /* 133 Start of capturing bracket */
+ OP_CBRAPOS, /* 134 Ditto, with unlimited, possessive repeat */
+ OP_COND, /* 135 Conditional group */
+
+ /* These five must follow the previous five, in the same order. There's a
+ check for >= SBRA to distinguish the two sets. */
+
+ OP_SBRA, /* 136 Start of non-capturing bracket, check empty */
+ OP_SBRAPOS, /* 137 Ditto, with unlimited, possessive repeat */
+ OP_SCBRA, /* 138 Start of capturing bracket, check empty */
+ OP_SCBRAPOS, /* 139 Ditto, with unlimited, possessive repeat */
+ OP_SCOND, /* 140 Conditional group, check empty */
+
+ /* The next two pairs must (respectively) be kept together. */
+
+ OP_CREF, /* 141 Used to hold a capture number as condition */
+ OP_DNCREF, /* 142 Used to point to duplicate names as a condition */
+ OP_RREF, /* 143 Used to hold a recursion number as condition */
+ OP_DNRREF, /* 144 Used to point to duplicate names as a condition */
+ OP_DEF, /* 145 The DEFINE condition */
+
+ OP_BRAZERO, /* 146 These two must remain together and in this */
+ OP_BRAMINZERO, /* 147 order. */
+ OP_BRAPOSZERO, /* 148 */
+
+ /* These are backtracking control verbs */
+
+ OP_MARK, /* 149 always has an argument */
+ OP_PRUNE, /* 150 */
+ OP_PRUNE_ARG, /* 151 same, but with argument */
+ OP_SKIP, /* 152 */
+ OP_SKIP_ARG, /* 153 same, but with argument */
+ OP_THEN, /* 154 */
+ OP_THEN_ARG, /* 155 same, but with argument */
+ OP_COMMIT, /* 156 */
+
+ /* These are forced failure and success verbs */
+
+ OP_FAIL, /* 157 */
+ OP_ACCEPT, /* 158 */
+ OP_ASSERT_ACCEPT, /* 159 Used inside assertions */
+ OP_CLOSE, /* 160 Used before OP_ACCEPT to close open captures */
+
+ /* This is used to skip a subpattern with a {0} quantifier */
+
+ OP_SKIPZERO, /* 161 */
+
+ /* This is not an opcode, but is used to check that tables indexed by opcode
+ are the correct length, in order to catch updating errors - there have been
+ some in the past. */
+
+ OP_TABLE_LENGTH
+};
+
+/* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
+definitions that follow must also be updated to match. There are also tables
+called "opcode_possessify" in pcre_compile.c and "coptable" and "poptable" in
+pcre_dfa_exec.c that must be updated. */
+
+
+/* This macro defines textual names for all the opcodes. These are used only
+for debugging, and some of them are only partial names. The macro is referenced
+only in pcre_printint.c, which fills out the full names in many cases (and in
+some cases doesn't actually use these names at all). */
+
+#define OP_NAME_LIST \
+ "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d", \
+ "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte", \
+ "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v", \
+ "extuni", "\\Z", "\\z", \
+ "$", "$", "^", "^", "char", "chari", "not", "noti", \
+ "*", "*?", "+", "+?", "?", "??", \
+ "{", "{", "{", \
+ "*+","++", "?+", "{", \
+ "*", "*?", "+", "+?", "?", "??", \
+ "{", "{", "{", \
+ "*+","++", "?+", "{", \
+ "*", "*?", "+", "+?", "?", "??", \
+ "{", "{", "{", \
+ "*+","++", "?+", "{", \
+ "*", "*?", "+", "+?", "?", "??", \
+ "{", "{", "{", \
+ "*+","++", "?+", "{", \
+ "*", "*?", "+", "+?", "?", "??", "{", "{", "{", \
+ "*+","++", "?+", "{", \
+ "*", "*?", "+", "+?", "?", "??", "{", "{", \
+ "*+","++", "?+", "{", \
+ "class", "nclass", "xclass", "Ref", "Refi", "DnRef", "DnRefi", \
+ "Recurse", "Callout", \
+ "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos", \
+ "Reverse", "Assert", "Assert not", "AssertB", "AssertB not", \
+ "Once", "Once_NC", \
+ "Bra", "BraPos", "CBra", "CBraPos", \
+ "Cond", \
+ "SBra", "SBraPos", "SCBra", "SCBraPos", \
+ "SCond", \
+ "Cond ref", "Cond dnref", "Cond rec", "Cond dnrec", "Cond def", \
+ "Brazero", "Braminzero", "Braposzero", \
+ "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP", \
+ "*THEN", "*THEN", "*COMMIT", "*FAIL", \
+ "*ACCEPT", "*ASSERT_ACCEPT", \
+ "Close", "Skip zero"
+
+
+/* This macro defines the length of fixed length operations in the compiled
+regex. The lengths are used when searching for specific things, and also in the
+debugging printing of a compiled regex. We use a macro so that it can be
+defined close to the definitions of the opcodes themselves.
+
+As things have been extended, some of these are no longer fixed lenths, but are
+minima instead. For example, the length of a single-character repeat may vary
+in UTF-8 mode. The code that uses this table must know about such things. */
+
+#define OP_LENGTHS \
+ 1, /* End */ \
+ 1, 1, 1, 1, 1, /* \A, \G, \K, \B, \b */ \
+ 1, 1, 1, 1, 1, 1, /* \D, \d, \S, \s, \W, \w */ \
+ 1, 1, 1, /* Any, AllAny, Anybyte */ \
+ 3, 3, /* \P, \p */ \
+ 1, 1, 1, 1, 1, /* \R, \H, \h, \V, \v */ \
+ 1, /* \X */ \
+ 1, 1, 1, 1, 1, 1, /* \Z, \z, $, $M ^, ^M */ \
+ 2, /* Char - the minimum length */ \
+ 2, /* Chari - the minimum length */ \
+ 2, /* not */ \
+ 2, /* noti */ \
+ /* Positive single-char repeats ** These are */ \
+ 2, 2, 2, 2, 2, 2, /* *, *?, +, +?, ?, ?? ** minima in */ \
+ 2+IMM2_SIZE, 2+IMM2_SIZE, /* upto, minupto ** mode */ \
+ 2+IMM2_SIZE, /* exact */ \
+ 2, 2, 2, 2+IMM2_SIZE, /* *+, ++, ?+, upto+ */ \
+ 2, 2, 2, 2, 2, 2, /* *I, *?I, +I, +?I, ?I, ??I ** UTF-8 */ \
+ 2+IMM2_SIZE, 2+IMM2_SIZE, /* upto I, minupto I */ \
+ 2+IMM2_SIZE, /* exact I */ \
+ 2, 2, 2, 2+IMM2_SIZE, /* *+I, ++I, ?+I, upto+I */ \
+ /* Negative single-char repeats - only for chars < 256 */ \
+ 2, 2, 2, 2, 2, 2, /* NOT *, *?, +, +?, ?, ?? */ \
+ 2+IMM2_SIZE, 2+IMM2_SIZE, /* NOT upto, minupto */ \
+ 2+IMM2_SIZE, /* NOT exact */ \
+ 2, 2, 2, 2+IMM2_SIZE, /* Possessive NOT *, +, ?, upto */ \
+ 2, 2, 2, 2, 2, 2, /* NOT *I, *?I, +I, +?I, ?I, ??I */ \
+ 2+IMM2_SIZE, 2+IMM2_SIZE, /* NOT upto I, minupto I */ \
+ 2+IMM2_SIZE, /* NOT exact I */ \
+ 2, 2, 2, 2+IMM2_SIZE, /* Possessive NOT *I, +I, ?I, upto I */ \
+ /* Positive type repeats */ \
+ 2, 2, 2, 2, 2, 2, /* Type *, *?, +, +?, ?, ?? */ \
+ 2+IMM2_SIZE, 2+IMM2_SIZE, /* Type upto, minupto */ \
+ 2+IMM2_SIZE, /* Type exact */ \
+ 2, 2, 2, 2+IMM2_SIZE, /* Possessive *+, ++, ?+, upto+ */ \
+ /* Character class & ref repeats */ \
+ 1, 1, 1, 1, 1, 1, /* *, *?, +, +?, ?, ?? */ \
+ 1+2*IMM2_SIZE, 1+2*IMM2_SIZE, /* CRRANGE, CRMINRANGE */ \
+ 1, 1, 1, 1+2*IMM2_SIZE, /* Possessive *+, ++, ?+, CRPOSRANGE */ \
+ 1+(32/sizeof(pcre_uchar)), /* CLASS */ \
+ 1+(32/sizeof(pcre_uchar)), /* NCLASS */ \
+ 0, /* XCLASS - variable length */ \
+ 1+IMM2_SIZE, /* REF */ \
+ 1+IMM2_SIZE, /* REFI */ \
+ 1+2*IMM2_SIZE, /* DNREF */ \
+ 1+2*IMM2_SIZE, /* DNREFI */ \
+ 1+LINK_SIZE, /* RECURSE */ \
+ 2+2*LINK_SIZE, /* CALLOUT */ \
+ 1+LINK_SIZE, /* Alt */ \
+ 1+LINK_SIZE, /* Ket */ \
+ 1+LINK_SIZE, /* KetRmax */ \
+ 1+LINK_SIZE, /* KetRmin */ \
+ 1+LINK_SIZE, /* KetRpos */ \
+ 1+LINK_SIZE, /* Reverse */ \
+ 1+LINK_SIZE, /* Assert */ \
+ 1+LINK_SIZE, /* Assert not */ \
+ 1+LINK_SIZE, /* Assert behind */ \
+ 1+LINK_SIZE, /* Assert behind not */ \
+ 1+LINK_SIZE, /* ONCE */ \
+ 1+LINK_SIZE, /* ONCE_NC */ \
+ 1+LINK_SIZE, /* BRA */ \
+ 1+LINK_SIZE, /* BRAPOS */ \
+ 1+LINK_SIZE+IMM2_SIZE, /* CBRA */ \
+ 1+LINK_SIZE+IMM2_SIZE, /* CBRAPOS */ \
+ 1+LINK_SIZE, /* COND */ \
+ 1+LINK_SIZE, /* SBRA */ \
+ 1+LINK_SIZE, /* SBRAPOS */ \
+ 1+LINK_SIZE+IMM2_SIZE, /* SCBRA */ \
+ 1+LINK_SIZE+IMM2_SIZE, /* SCBRAPOS */ \
+ 1+LINK_SIZE, /* SCOND */ \
+ 1+IMM2_SIZE, 1+2*IMM2_SIZE, /* CREF, DNCREF */ \
+ 1+IMM2_SIZE, 1+2*IMM2_SIZE, /* RREF, DNRREF */ \
+ 1, /* DEF */ \
+ 1, 1, 1, /* BRAZERO, BRAMINZERO, BRAPOSZERO */ \
+ 3, 1, 3, /* MARK, PRUNE, PRUNE_ARG */ \
+ 1, 3, /* SKIP, SKIP_ARG */ \
+ 1, 3, /* THEN, THEN_ARG */ \
+ 1, 1, 1, 1, /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT */ \
+ 1+IMM2_SIZE, 1 /* CLOSE, SKIPZERO */
+
+/* A magic value for OP_RREF to indicate the "any recursion" condition. */
+
+#define RREF_ANY 0xffff
+
+/* Compile time error code numbers. They are given names so that they can more
+easily be tracked. When a new number is added, the table called eint in
+pcreposix.c must be updated. */
+
+enum { ERR0, ERR1, ERR2, ERR3, ERR4, ERR5, ERR6, ERR7, ERR8, ERR9,
+ ERR10, ERR11, ERR12, ERR13, ERR14, ERR15, ERR16, ERR17, ERR18, ERR19,
+ ERR20, ERR21, ERR22, ERR23, ERR24, ERR25, ERR26, ERR27, ERR28, ERR29,
+ ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,
+ ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
+ ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
+ ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,
+ ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERR78, ERR79,
+ ERR80, ERR81, ERR82, ERR83, ERR84, ERR85, ERR86, ERR87, ERRCOUNT };
+
+/* JIT compiling modes. The function list is indexed by them. */
+
+enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE,
+ JIT_NUMBER_OF_COMPILE_MODES };
+
+/* The real format of the start of the pcre block; the index of names and the
+code vector run on as long as necessary after the end. We store an explicit
+offset to the name table so that if a regex is compiled on one host, saved, and
+then run on another where the size of pointers is different, all might still
+be well.
+
+The size of the structure must be a multiple of 8 bytes. For the case of
+compiled-on-4 and run-on-8, we include an extra pointer that is always NULL so
+that there are an even number of pointers which therefore are a multiple of 8
+bytes.
+
+It is necessary to fork the struct for the 32 bit library, since it needs to
+use pcre_uint32 for first_char and req_char. We can't put an ifdef inside the
+typedef because pcretest needs access to the struct of the 8-, 16- and 32-bit
+variants.
+
+*** WARNING ***
+When new fields are added to these structures, remember to adjust the code in
+pcre_byte_order.c that is concerned with swapping the byte order of the fields
+when a compiled regex is reloaded on a host with different endianness.
+*** WARNING ***
+There is also similar byte-flipping code in pcretest.c, which is used for
+testing the byte-flipping features. It must also be kept in step.
+*** WARNING ***
+*/
+
+typedef struct real_pcre8_or_16 {
+ pcre_uint32 magic_number;
+ pcre_uint32 size; /* Total that was malloced */
+ pcre_uint32 options; /* Public options */
+ pcre_uint32 flags; /* Private flags */
+ pcre_uint32 limit_match; /* Limit set from regex */
+ pcre_uint32 limit_recursion; /* Limit set from regex */
+ pcre_uint16 first_char; /* Starting character */
+ pcre_uint16 req_char; /* This character must be seen */
+ pcre_uint16 max_lookbehind; /* Longest lookbehind (characters) */
+ pcre_uint16 top_bracket; /* Highest numbered group */
+ pcre_uint16 top_backref; /* Highest numbered back reference */
+ pcre_uint16 name_table_offset; /* Offset to name table that follows */
+ pcre_uint16 name_entry_size; /* Size of any name items */
+ pcre_uint16 name_count; /* Number of name items */
+ pcre_uint16 ref_count; /* Reference count */
+ pcre_uint16 dummy1; /* To ensure size is a multiple of 8 */
+ pcre_uint16 dummy2; /* To ensure size is a multiple of 8 */
+ pcre_uint16 dummy3; /* To ensure size is a multiple of 8 */
+ const pcre_uint8 *tables; /* Pointer to tables or NULL for std */
+ void *nullpad; /* NULL padding */
+} real_pcre8_or_16;
+
+typedef struct real_pcre8_or_16 real_pcre;
+typedef struct real_pcre8_or_16 real_pcre16;
+
+typedef struct real_pcre32 {
+ pcre_uint32 magic_number;
+ pcre_uint32 size; /* Total that was malloced */
+ pcre_uint32 options; /* Public options */
+ pcre_uint32 flags; /* Private flags */
+ pcre_uint32 limit_match; /* Limit set from regex */
+ pcre_uint32 limit_recursion; /* Limit set from regex */
+ pcre_uint32 first_char; /* Starting character */
+ pcre_uint32 req_char; /* This character must be seen */
+ pcre_uint16 max_lookbehind; /* Longest lookbehind (characters) */
+ pcre_uint16 top_bracket; /* Highest numbered group */
+ pcre_uint16 top_backref; /* Highest numbered back reference */
+ pcre_uint16 name_table_offset; /* Offset to name table that follows */
+ pcre_uint16 name_entry_size; /* Size of any name items */
+ pcre_uint16 name_count; /* Number of name items */
+ pcre_uint16 ref_count; /* Reference count */
+ pcre_uint16 dummy; /* To ensure size is a multiple of 8 */
+ const pcre_uint8 *tables; /* Pointer to tables or NULL for std */
+ void *nullpad; /* NULL padding */
+} real_pcre32;
+
+#if defined COMPILE_PCRE8
+#define REAL_PCRE real_pcre
+#elif defined COMPILE_PCRE16
+#define REAL_PCRE real_pcre16
+#elif defined COMPILE_PCRE32
+#define REAL_PCRE real_pcre32
+#endif
+
+/* Assert that the size of REAL_PCRE is divisible by 8 */
+typedef int __assert_real_pcre_size_divisible_8[(sizeof(REAL_PCRE) % 8) == 0 ? 1 : -1];
+
+/* Needed in pcretest to access some fields in the real_pcre* structures
+ * directly. They're unified for 8/16/32 bits since the structs only differ
+ * after these fields; if that ever changes, need to fork those defines into
+ * 8/16 and 32 bit versions. */
+#define REAL_PCRE_MAGIC(re) (((REAL_PCRE*)re)->magic_number)
+#define REAL_PCRE_SIZE(re) (((REAL_PCRE*)re)->size)
+#define REAL_PCRE_OPTIONS(re) (((REAL_PCRE*)re)->options)
+#define REAL_PCRE_FLAGS(re) (((REAL_PCRE*)re)->flags)
+
+/* The format of the block used to store data from pcre_study(). The same
+remark (see NOTE above) about extending this structure applies. */
+
+typedef struct pcre_study_data {
+ pcre_uint32 size; /* Total that was malloced */
+ pcre_uint32 flags; /* Private flags */
+ pcre_uint8 start_bits[32]; /* Starting char bits */
+ pcre_uint32 minlength; /* Minimum subject length */
+} pcre_study_data;
+
+/* Structure for building a chain of open capturing subpatterns during
+compiling, so that instructions to close them can be compiled when (*ACCEPT) is
+encountered. This is also used to identify subpatterns that contain recursive
+back references to themselves, so that they can be made atomic. */
+
+typedef struct open_capitem {
+ struct open_capitem *next; /* Chain link */
+ pcre_uint16 number; /* Capture number */
+ pcre_uint16 flag; /* Set TRUE if recursive back ref */
+} open_capitem;
+
+/* Structure for building a list of named groups during the first pass of
+compiling. */
+
+typedef struct named_group {
+ const pcre_uchar *name; /* Points to the name in the pattern */
+ int length; /* Length of the name */
+ pcre_uint32 number; /* Group number */
+} named_group;
+
+/* Structure for passing "static" information around between the functions
+doing the compiling, so that they are thread-safe. */
+
+typedef struct compile_data {
+ const pcre_uint8 *lcc; /* Points to lower casing table */
+ const pcre_uint8 *fcc; /* Points to case-flipping table */
+ const pcre_uint8 *cbits; /* Points to character type table */
+ const pcre_uint8 *ctypes; /* Points to table of type maps */
+ const pcre_uchar *start_workspace;/* The start of working space */
+ const pcre_uchar *start_code; /* The start of the compiled code */
+ const pcre_uchar *start_pattern; /* The start of the pattern */
+ const pcre_uchar *end_pattern; /* The end of the pattern */
+ pcre_uchar *hwm; /* High watermark of workspace */
+ open_capitem *open_caps; /* Chain of open capture items */
+ named_group *named_groups; /* Points to vector in pre-compile */
+ pcre_uchar *name_table; /* The name/number table */
+ int names_found; /* Number of entries so far */
+ int name_entry_size; /* Size of each entry */
+ int named_group_list_size; /* Number of entries in the list */
+ int workspace_size; /* Size of workspace */
+ unsigned int bracount; /* Count of capturing parens as we compile */
+ int final_bracount; /* Saved value after first pass */
+ int max_lookbehind; /* Maximum lookbehind (characters) */
+ int top_backref; /* Maximum back reference */
+ unsigned int backref_map; /* Bitmap of low back refs */
+ unsigned int namedrefcount; /* Number of backreferences by name */
+ int parens_depth; /* Depth of nested parentheses */
+ int assert_depth; /* Depth of nested assertions */
+ pcre_uint32 external_options; /* External (initial) options */
+ pcre_uint32 external_flags; /* External flag bits to be set */
+ int req_varyopt; /* "After variable item" flag for reqbyte */
+ BOOL had_accept; /* (*ACCEPT) encountered */
+ BOOL had_pruneorskip; /* (*PRUNE) or (*SKIP) encountered */
+ BOOL check_lookbehind; /* Lookbehinds need later checking */
+ BOOL dupnames; /* Duplicate names exist */
+ BOOL dupgroups; /* Duplicate groups exist: (?| found */
+ BOOL iscondassert; /* Next assert is a condition */
+ int nltype; /* Newline type */
+ int nllen; /* Newline string length */
+ pcre_uchar nl[4]; /* Newline string when fixed length */
+} compile_data;
+
+/* Structure for maintaining a chain of pointers to the currently incomplete
+branches, for testing for left recursion while compiling. */
+
+typedef struct branch_chain {
+ struct branch_chain *outer;
+ pcre_uchar *current_branch;
+} branch_chain;
+
+/* Structure for mutual recursion detection. */
+
+typedef struct recurse_check {
+ struct recurse_check *prev;
+ const pcre_uchar *group;
+} recurse_check;
+
+/* Structure for items in a linked list that represents an explicit recursive
+call within the pattern; used by pcre_exec(). */
+
+typedef struct recursion_info {
+ struct recursion_info *prevrec; /* Previous recursion record (or NULL) */
+ unsigned int group_num; /* Number of group that was called */
+ int *offset_save; /* Pointer to start of saved offsets */
+ int saved_max; /* Number of saved offsets */
+ int saved_capture_last; /* Last capture number */
+ PCRE_PUCHAR subject_position; /* Position at start of recursion */
+} recursion_info;
+
+/* A similar structure for pcre_dfa_exec(). */
+
+typedef struct dfa_recursion_info {
+ struct dfa_recursion_info *prevrec;
+ int group_num;
+ PCRE_PUCHAR subject_position;
+} dfa_recursion_info;
+
+/* Structure for building a chain of data for holding the values of the subject
+pointer at the start of each subpattern, so as to detect when an empty string
+has been matched by a subpattern - to break infinite loops; used by
+pcre_exec(). */
+
+typedef struct eptrblock {
+ struct eptrblock *epb_prev;
+ PCRE_PUCHAR epb_saved_eptr;
+} eptrblock;
+
+
+/* Structure for passing "static" information around between the functions
+doing traditional NFA matching, so that they are thread-safe. */
+
+typedef struct match_data {
+ unsigned long int match_call_count; /* As it says */
+ unsigned long int match_limit; /* As it says */
+ unsigned long int match_limit_recursion; /* As it says */
+ int *offset_vector; /* Offset vector */
+ int offset_end; /* One past the end */
+ int offset_max; /* The maximum usable for return data */
+ int nltype; /* Newline type */
+ int nllen; /* Newline string length */
+ int name_count; /* Number of names in name table */
+ int name_entry_size; /* Size of entry in names table */
+ unsigned int skip_arg_count; /* For counting SKIP_ARGs */
+ unsigned int ignore_skip_arg; /* For re-run when SKIP arg name not found */
+ pcre_uchar *name_table; /* Table of names */
+ pcre_uchar nl[4]; /* Newline string when fixed */
+ const pcre_uint8 *lcc; /* Points to lower casing table */
+ const pcre_uint8 *fcc; /* Points to case-flipping table */
+ const pcre_uint8 *ctypes; /* Points to table of type maps */
+ BOOL notbol; /* NOTBOL flag */
+ BOOL noteol; /* NOTEOL flag */
+ BOOL utf; /* UTF-8 / UTF-16 flag */
+ BOOL jscript_compat; /* JAVASCRIPT_COMPAT flag */
+ BOOL use_ucp; /* PCRE_UCP flag */
+ BOOL endonly; /* Dollar not before final \n */
+ BOOL notempty; /* Empty string match not wanted */
+ BOOL notempty_atstart; /* Empty string match at start not wanted */
+ BOOL hitend; /* Hit the end of the subject at some point */
+ BOOL bsr_anycrlf; /* \R is just any CRLF, not full Unicode */
+ BOOL hasthen; /* Pattern contains (*THEN) */
+ const pcre_uchar *start_code; /* For use when recursing */
+ PCRE_PUCHAR start_subject; /* Start of the subject string */
+ PCRE_PUCHAR end_subject; /* End of the subject string */
+ PCRE_PUCHAR start_match_ptr; /* Start of matched string */
+ PCRE_PUCHAR end_match_ptr; /* Subject position at end match */
+ PCRE_PUCHAR start_used_ptr; /* Earliest consulted character */
+ int partial; /* PARTIAL options */
+ int end_offset_top; /* Highwater mark at end of match */
+ pcre_int32 capture_last; /* Most recent capture number + overflow flag */
+ int start_offset; /* The start offset value */
+ int match_function_type; /* Set for certain special calls of MATCH() */
+ eptrblock *eptrchain; /* Chain of eptrblocks for tail recursions */
+ int eptrn; /* Next free eptrblock */
+ recursion_info *recursive; /* Linked list of recursion data */
+ void *callout_data; /* To pass back to callouts */
+ const pcre_uchar *mark; /* Mark pointer to pass back on success */
+ const pcre_uchar *nomatch_mark;/* Mark pointer to pass back on failure */
+ const pcre_uchar *once_target; /* Where to back up to for atomic groups */
+#ifdef NO_RECURSE
+ void *match_frames_base; /* For remembering malloc'd frames */
+#endif
+} match_data;
+
+/* A similar structure is used for the same purpose by the DFA matching
+functions. */
+
+typedef struct dfa_match_data {
+ const pcre_uchar *start_code; /* Start of the compiled pattern */
+ const pcre_uchar *start_subject ; /* Start of the subject string */
+ const pcre_uchar *end_subject; /* End of subject string */
+ const pcre_uchar *start_used_ptr; /* Earliest consulted character */
+ const pcre_uint8 *tables; /* Character tables */
+ int start_offset; /* The start offset value */
+ int moptions; /* Match options */
+ int poptions; /* Pattern options */
+ int nltype; /* Newline type */
+ int nllen; /* Newline string length */
+ pcre_uchar nl[4]; /* Newline string when fixed */
+ void *callout_data; /* To pass back to callouts */
+ dfa_recursion_info *recursive; /* Linked list of recursion data */
+} dfa_match_data;
+
+/* Bit definitions for entries in the pcre_ctypes table. */
+
+#define ctype_space 0x01
+#define ctype_letter 0x02
+#define ctype_digit 0x04
+#define ctype_xdigit 0x08
+#define ctype_word 0x10 /* alphanumeric or '_' */
+#define ctype_meta 0x80 /* regexp meta char or zero (end pattern) */
+
+/* Offsets for the bitmap tables in pcre_cbits. Each table contains a set
+of bits for a class map. Some classes are built by combining these tables. */
+
+#define cbit_space 0 /* [:space:] or \s */
+#define cbit_xdigit 32 /* [:xdigit:] */
+#define cbit_digit 64 /* [:digit:] or \d */
+#define cbit_upper 96 /* [:upper:] */
+#define cbit_lower 128 /* [:lower:] */
+#define cbit_word 160 /* [:word:] or \w */
+#define cbit_graph 192 /* [:graph:] */
+#define cbit_print 224 /* [:print:] */
+#define cbit_punct 256 /* [:punct:] */
+#define cbit_cntrl 288 /* [:cntrl:] */
+#define cbit_length 320 /* Length of the cbits table */
+
+/* Offsets of the various tables from the base tables pointer, and
+total length. */
+
+#define lcc_offset 0
+#define fcc_offset 256
+#define cbits_offset 512
+#define ctypes_offset (cbits_offset + cbit_length)
+#define tables_length (ctypes_offset + 256)
+
+/* Internal function and data prefixes. */
+
+#if defined COMPILE_PCRE8
+#ifndef PUBL
+#define PUBL(name) pcre_##name
+#endif
+#ifndef PRIV
+#define PRIV(name) _pcre_##name
+#endif
+#elif defined COMPILE_PCRE16
+#ifndef PUBL
+#define PUBL(name) pcre16_##name
+#endif
+#ifndef PRIV
+#define PRIV(name) _pcre16_##name
+#endif
+#elif defined COMPILE_PCRE32
+#ifndef PUBL
+#define PUBL(name) pcre32_##name
+#endif
+#ifndef PRIV
+#define PRIV(name) _pcre32_##name
+#endif
+#else
+#error Unsupported compiling mode
+#endif /* COMPILE_PCRE[8|16|32] */
+
+/* Layout of the UCP type table that translates property names into types and
+codes. Each entry used to point directly to a name, but to reduce the number of
+relocations in shared libraries, it now has an offset into a single string
+instead. */
+
+typedef struct {
+ pcre_uint16 name_offset;
+ pcre_uint16 type;
+ pcre_uint16 value;
+} ucp_type_table;
+
+
+/* Internal shared data tables. These are tables that are used by more than one
+of the exported public functions. They have to be "external" in the C sense,
+but are not part of the PCRE public API. The data for these tables is in the
+pcre_tables.c module. */
+
+#ifdef COMPILE_PCRE8
+extern const int PRIV(utf8_table1)[];
+extern const int PRIV(utf8_table1_size);
+extern const int PRIV(utf8_table2)[];
+extern const int PRIV(utf8_table3)[];
+extern const pcre_uint8 PRIV(utf8_table4)[];
+#endif /* COMPILE_PCRE8 */
+
+extern const char PRIV(utt_names)[];
+extern const ucp_type_table PRIV(utt)[];
+extern const int PRIV(utt_size);
+
+extern const pcre_uint8 PRIV(OP_lengths)[];
+extern const pcre_uint8 PRIV(default_tables)[];
+
+extern const pcre_uint32 PRIV(hspace_list)[];
+extern const pcre_uint32 PRIV(vspace_list)[];
+
+
+/* Internal shared functions. These are functions that are used by more than
+one of the exported public functions. They have to be "external" in the C
+sense, but are not part of the PCRE public API. */
+
+/* String comparison functions. */
+#if defined COMPILE_PCRE8
+
+#define STRCMP_UC_UC(str1, str2) \
+ strcmp((char *)(str1), (char *)(str2))
+#define STRCMP_UC_C8(str1, str2) \
+ strcmp((char *)(str1), (str2))
+#define STRNCMP_UC_UC(str1, str2, num) \
+ strncmp((char *)(str1), (char *)(str2), (num))
+#define STRNCMP_UC_C8(str1, str2, num) \
+ strncmp((char *)(str1), (str2), (num))
+#define STRLEN_UC(str) strlen((const char *)str)
+
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+
+extern int PRIV(strcmp_uc_uc)(const pcre_uchar *,
+ const pcre_uchar *);
+extern int PRIV(strcmp_uc_c8)(const pcre_uchar *,
+ const char *);
+extern int PRIV(strncmp_uc_uc)(const pcre_uchar *,
+ const pcre_uchar *, unsigned int num);
+extern int PRIV(strncmp_uc_c8)(const pcre_uchar *,
+ const char *, unsigned int num);
+extern unsigned int PRIV(strlen_uc)(const pcre_uchar *str);
+
+#define STRCMP_UC_UC(str1, str2) \
+ PRIV(strcmp_uc_uc)((str1), (str2))
+#define STRCMP_UC_C8(str1, str2) \
+ PRIV(strcmp_uc_c8)((str1), (str2))
+#define STRNCMP_UC_UC(str1, str2, num) \
+ PRIV(strncmp_uc_uc)((str1), (str2), (num))
+#define STRNCMP_UC_C8(str1, str2, num) \
+ PRIV(strncmp_uc_c8)((str1), (str2), (num))
+#define STRLEN_UC(str) PRIV(strlen_uc)(str)
+
+#endif /* COMPILE_PCRE[8|16|32] */
+
+#if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
+
+#define STRCMP_UC_UC_TEST(str1, str2) STRCMP_UC_UC(str1, str2)
+#define STRCMP_UC_C8_TEST(str1, str2) STRCMP_UC_C8(str1, str2)
+
+#elif defined COMPILE_PCRE32
+
+extern int PRIV(strcmp_uc_uc_utf)(const pcre_uchar *,
+ const pcre_uchar *);
+extern int PRIV(strcmp_uc_c8_utf)(const pcre_uchar *,
+ const char *);
+
+#define STRCMP_UC_UC_TEST(str1, str2) \
+ (utf ? PRIV(strcmp_uc_uc_utf)((str1), (str2)) : PRIV(strcmp_uc_uc)((str1), (str2)))
+#define STRCMP_UC_C8_TEST(str1, str2) \
+ (utf ? PRIV(strcmp_uc_c8_utf)((str1), (str2)) : PRIV(strcmp_uc_c8)((str1), (str2)))
+
+#endif /* COMPILE_PCRE[8|16|32] */
+
+extern const pcre_uchar *PRIV(find_bracket)(const pcre_uchar *, BOOL, int);
+extern BOOL PRIV(is_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
+ int *, BOOL);
+extern unsigned int PRIV(ord2utf)(pcre_uint32, pcre_uchar *);
+extern int PRIV(valid_utf)(PCRE_PUCHAR, int, int *);
+extern BOOL PRIV(was_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
+ int *, BOOL);
+extern BOOL PRIV(xclass)(pcre_uint32, const pcre_uchar *, BOOL);
+
+#ifdef SUPPORT_JIT
+extern void PRIV(jit_compile)(const REAL_PCRE *,
+ PUBL(extra) *, int);
+extern int PRIV(jit_exec)(const PUBL(extra) *,
+ const pcre_uchar *, int, int, int, int *, int);
+extern void PRIV(jit_free)(void *);
+extern int PRIV(jit_get_size)(void *);
+extern const char* PRIV(jit_get_target)(void);
+#endif
+
+/* Unicode character database (UCD) */
+
+typedef struct {
+ pcre_uint8 script; /* ucp_Arabic, etc. */
+ pcre_uint8 chartype; /* ucp_Cc, etc. (general categories) */
+ pcre_uint8 gbprop; /* ucp_gbControl, etc. (grapheme break property) */
+ pcre_uint8 caseset; /* offset to multichar other cases or zero */
+ pcre_int32 other_case; /* offset to other case, or zero if none */
+} ucd_record;
+
+extern const pcre_uint32 PRIV(ucd_caseless_sets)[];
+extern const ucd_record PRIV(ucd_records)[];
+extern const pcre_uint8 PRIV(ucd_stage1)[];
+extern const pcre_uint16 PRIV(ucd_stage2)[];
+extern const pcre_uint32 PRIV(ucp_gentype)[];
+extern const pcre_uint32 PRIV(ucp_gbtable)[];
+#ifdef COMPILE_PCRE32
+extern const ucd_record PRIV(dummy_ucd_record)[];
+#endif
+#ifdef SUPPORT_JIT
+extern const int PRIV(ucp_typerange)[];
+#endif
+
+#ifdef SUPPORT_UCP
+/* UCD access macros */
+
+#define UCD_BLOCK_SIZE 128
+#define REAL_GET_UCD(ch) (PRIV(ucd_records) + \
+ PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \
+ UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE])
+
+#ifdef COMPILE_PCRE32
+#define GET_UCD(ch) ((ch > 0x10ffff)? PRIV(dummy_ucd_record) : REAL_GET_UCD(ch))
+#else
+#define GET_UCD(ch) REAL_GET_UCD(ch)
+#endif
+
+#define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype
+#define UCD_SCRIPT(ch) GET_UCD(ch)->script
+#define UCD_CATEGORY(ch) PRIV(ucp_gentype)[UCD_CHARTYPE(ch)]
+#define UCD_GRAPHBREAK(ch) GET_UCD(ch)->gbprop
+#define UCD_CASESET(ch) GET_UCD(ch)->caseset
+#define UCD_OTHERCASE(ch) ((pcre_uint32)((int)ch + (int)(GET_UCD(ch)->other_case)))
+
+#endif /* SUPPORT_UCP */
+
+#endif
+
+/* End of pcre_internal.h */
diff --git a/deps/pcre/pcre_jit_compile.c b/deps/pcre/pcre_jit_compile.c
new file mode 100644
index 0000000..2bad74b
--- /dev/null
+++ b/deps/pcre/pcre_jit_compile.c
@@ -0,0 +1,11913 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2013 University of Cambridge
+
+ The machine code generator part (this module) was written by Zoltan Herczeg
+ Copyright (c) 2010-2013
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+#if defined SUPPORT_JIT
+
+/* All-in-one: Since we use the JIT compiler only from here,
+we just include it. This way we don't need to touch the build
+system files. */
+
+#define SLJIT_MALLOC(size, allocator_data) (PUBL(malloc))(size)
+#define SLJIT_FREE(ptr, allocator_data) (PUBL(free))(ptr)
+#define SLJIT_CONFIG_AUTO 1
+#define SLJIT_CONFIG_STATIC 1
+#define SLJIT_VERBOSE 0
+#define SLJIT_DEBUG 0
+
+#include "sljit/sljitLir.c"
+
+#if defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED
+#error Unsupported architecture
+#endif
+
+/* Defines for debugging purposes. */
+
+/* 1 - Use unoptimized capturing brackets.
+ 2 - Enable capture_last_ptr (includes option 1). */
+/* #define DEBUG_FORCE_UNOPTIMIZED_CBRAS 2 */
+
+/* 1 - Always have a control head. */
+/* #define DEBUG_FORCE_CONTROL_HEAD 1 */
+
+/* Allocate memory for the regex stack on the real machine stack.
+Fast, but limited size. */
+#define MACHINE_STACK_SIZE 32768
+
+/* Growth rate for stack allocated by the OS. Should be the multiply
+of page size. */
+#define STACK_GROWTH_RATE 8192
+
+/* Enable to check that the allocation could destroy temporaries. */
+#if defined SLJIT_DEBUG && SLJIT_DEBUG
+#define DESTROY_REGISTERS 1
+#endif
+
+/*
+Short summary about the backtracking mechanism empolyed by the jit code generator:
+
+The code generator follows the recursive nature of the PERL compatible regular
+expressions. The basic blocks of regular expressions are condition checkers
+whose execute different commands depending on the result of the condition check.
+The relationship between the operators can be horizontal (concatenation) and
+vertical (sub-expression) (See struct backtrack_common for more details).
+
+ 'ab' - 'a' and 'b' regexps are concatenated
+ 'a+' - 'a' is the sub-expression of the '+' operator
+
+The condition checkers are boolean (true/false) checkers. Machine code is generated
+for the checker itself and for the actions depending on the result of the checker.
+The 'true' case is called as the matching path (expected path), and the other is called as
+the 'backtrack' path. Branch instructions are expesive for all CPUs, so we avoid taken
+branches on the matching path.
+
+ Greedy star operator (*) :
+ Matching path: match happens.
+ Backtrack path: match failed.
+ Non-greedy star operator (*?) :
+ Matching path: no need to perform a match.
+ Backtrack path: match is required.
+
+The following example shows how the code generated for a capturing bracket
+with two alternatives. Let A, B, C, D are arbirary regular expressions, and
+we have the following regular expression:
+
+ A(B|C)D
+
+The generated code will be the following:
+
+ A matching path
+ '(' matching path (pushing arguments to the stack)
+ B matching path
+ ')' matching path (pushing arguments to the stack)
+ D matching path
+ return with successful match
+
+ D backtrack path
+ ')' backtrack path (If we arrived from "C" jump to the backtrack of "C")
+ B backtrack path
+ C expected path
+ jump to D matching path
+ C backtrack path
+ A backtrack path
+
+ Notice, that the order of backtrack code paths are the opposite of the fast
+ code paths. In this way the topmost value on the stack is always belong
+ to the current backtrack code path. The backtrack path must check
+ whether there is a next alternative. If so, it needs to jump back to
+ the matching path eventually. Otherwise it needs to clear out its own stack
+ frame and continue the execution on the backtrack code paths.
+*/
+
+/*
+Saved stack frames:
+
+Atomic blocks and asserts require reloading the values of private data
+when the backtrack mechanism performed. Because of OP_RECURSE, the data
+are not necessarly known in compile time, thus we need a dynamic restore
+mechanism.
+
+The stack frames are stored in a chain list, and have the following format:
+([ capturing bracket offset ][ start value ][ end value ])+ ... [ 0 ] [ previous head ]
+
+Thus we can restore the private data to a particular point in the stack.
+*/
+
+typedef struct jit_arguments {
+ /* Pointers first. */
+ struct sljit_stack *stack;
+ const pcre_uchar *str;
+ const pcre_uchar *begin;
+ const pcre_uchar *end;
+ int *offsets;
+ pcre_uchar *mark_ptr;
+ void *callout_data;
+ /* Everything else after. */
+ sljit_u32 limit_match;
+ int real_offset_count;
+ int offset_count;
+ sljit_u8 notbol;
+ sljit_u8 noteol;
+ sljit_u8 notempty;
+ sljit_u8 notempty_atstart;
+} jit_arguments;
+
+typedef struct executable_functions {
+ void *executable_funcs[JIT_NUMBER_OF_COMPILE_MODES];
+ void *read_only_data_heads[JIT_NUMBER_OF_COMPILE_MODES];
+ sljit_uw executable_sizes[JIT_NUMBER_OF_COMPILE_MODES];
+ PUBL(jit_callback) callback;
+ void *userdata;
+ sljit_u32 top_bracket;
+ sljit_u32 limit_match;
+} executable_functions;
+
+typedef struct jump_list {
+ struct sljit_jump *jump;
+ struct jump_list *next;
+} jump_list;
+
+typedef struct stub_list {
+ struct sljit_jump *start;
+ struct sljit_label *quit;
+ struct stub_list *next;
+} stub_list;
+
+typedef struct label_addr_list {
+ struct sljit_label *label;
+ sljit_uw *update_addr;
+ struct label_addr_list *next;
+} label_addr_list;
+
+enum frame_types {
+ no_frame = -1,
+ no_stack = -2
+};
+
+enum control_types {
+ type_mark = 0,
+ type_then_trap = 1
+};
+
+typedef int (SLJIT_FUNC *jit_function)(jit_arguments *args);
+
+/* The following structure is the key data type for the recursive
+code generator. It is allocated by compile_matchingpath, and contains
+the arguments for compile_backtrackingpath. Must be the first member
+of its descendants. */
+typedef struct backtrack_common {
+ /* Concatenation stack. */
+ struct backtrack_common *prev;
+ jump_list *nextbacktracks;
+ /* Internal stack (for component operators). */
+ struct backtrack_common *top;
+ jump_list *topbacktracks;
+ /* Opcode pointer. */
+ pcre_uchar *cc;
+} backtrack_common;
+
+typedef struct assert_backtrack {
+ backtrack_common common;
+ jump_list *condfailed;
+ /* Less than 0 if a frame is not needed. */
+ int framesize;
+ /* Points to our private memory word on the stack. */
+ int private_data_ptr;
+ /* For iterators. */
+ struct sljit_label *matchingpath;
+} assert_backtrack;
+
+typedef struct bracket_backtrack {
+ backtrack_common common;
+ /* Where to coninue if an alternative is successfully matched. */
+ struct sljit_label *alternative_matchingpath;
+ /* For rmin and rmax iterators. */
+ struct sljit_label *recursive_matchingpath;
+ /* For greedy ? operator. */
+ struct sljit_label *zero_matchingpath;
+ /* Contains the branches of a failed condition. */
+ union {
+ /* Both for OP_COND, OP_SCOND. */
+ jump_list *condfailed;
+ assert_backtrack *assert;
+ /* For OP_ONCE. Less than 0 if not needed. */
+ int framesize;
+ } u;
+ /* Points to our private memory word on the stack. */
+ int private_data_ptr;
+} bracket_backtrack;
+
+typedef struct bracketpos_backtrack {
+ backtrack_common common;
+ /* Points to our private memory word on the stack. */
+ int private_data_ptr;
+ /* Reverting stack is needed. */
+ int framesize;
+ /* Allocated stack size. */
+ int stacksize;
+} bracketpos_backtrack;
+
+typedef struct braminzero_backtrack {
+ backtrack_common common;
+ struct sljit_label *matchingpath;
+} braminzero_backtrack;
+
+typedef struct char_iterator_backtrack {
+ backtrack_common common;
+ /* Next iteration. */
+ struct sljit_label *matchingpath;
+ union {
+ jump_list *backtracks;
+ struct {
+ unsigned int othercasebit;
+ pcre_uchar chr;
+ BOOL enabled;
+ } charpos;
+ } u;
+} char_iterator_backtrack;
+
+typedef struct ref_iterator_backtrack {
+ backtrack_common common;
+ /* Next iteration. */
+ struct sljit_label *matchingpath;
+} ref_iterator_backtrack;
+
+typedef struct recurse_entry {
+ struct recurse_entry *next;
+ /* Contains the function entry. */
+ struct sljit_label *entry;
+ /* Collects the calls until the function is not created. */
+ jump_list *calls;
+ /* Points to the starting opcode. */
+ sljit_sw start;
+} recurse_entry;
+
+typedef struct recurse_backtrack {
+ backtrack_common common;
+ BOOL inlined_pattern;
+} recurse_backtrack;
+
+#define OP_THEN_TRAP OP_TABLE_LENGTH
+
+typedef struct then_trap_backtrack {
+ backtrack_common common;
+ /* If then_trap is not NULL, this structure contains the real
+ then_trap for the backtracking path. */
+ struct then_trap_backtrack *then_trap;
+ /* Points to the starting opcode. */
+ sljit_sw start;
+ /* Exit point for the then opcodes of this alternative. */
+ jump_list *quit;
+ /* Frame size of the current alternative. */
+ int framesize;
+} then_trap_backtrack;
+
+#define MAX_RANGE_SIZE 4
+
+typedef struct compiler_common {
+ /* The sljit ceneric compiler. */
+ struct sljit_compiler *compiler;
+ /* First byte code. */
+ pcre_uchar *start;
+ /* Maps private data offset to each opcode. */
+ sljit_s32 *private_data_ptrs;
+ /* Chain list of read-only data ptrs. */
+ void *read_only_data_head;
+ /* Tells whether the capturing bracket is optimized. */
+ sljit_u8 *optimized_cbracket;
+ /* Tells whether the starting offset is a target of then. */
+ sljit_u8 *then_offsets;
+ /* Current position where a THEN must jump. */
+ then_trap_backtrack *then_trap;
+ /* Starting offset of private data for capturing brackets. */
+ sljit_s32 cbra_ptr;
+ /* Output vector starting point. Must be divisible by 2. */
+ sljit_s32 ovector_start;
+ /* Points to the starting character of the current match. */
+ sljit_s32 start_ptr;
+ /* Last known position of the requested byte. */
+ sljit_s32 req_char_ptr;
+ /* Head of the last recursion. */
+ sljit_s32 recursive_head_ptr;
+ /* First inspected character for partial matching.
+ (Needed for avoiding zero length partial matches.) */
+ sljit_s32 start_used_ptr;
+ /* Starting pointer for partial soft matches. */
+ sljit_s32 hit_start;
+ /* Pointer of the match end position. */
+ sljit_s32 match_end_ptr;
+ /* Points to the marked string. */
+ sljit_s32 mark_ptr;
+ /* Recursive control verb management chain. */
+ sljit_s32 control_head_ptr;
+ /* Points to the last matched capture block index. */
+ sljit_s32 capture_last_ptr;
+ /* Fast forward skipping byte code pointer. */
+ pcre_uchar *fast_forward_bc_ptr;
+ /* Locals used by fast fail optimization. */
+ sljit_s32 fast_fail_start_ptr;
+ sljit_s32 fast_fail_end_ptr;
+
+ /* Flipped and lower case tables. */
+ const sljit_u8 *fcc;
+ sljit_sw lcc;
+ /* Mode can be PCRE_STUDY_JIT_COMPILE and others. */
+ int mode;
+ /* TRUE, when minlength is greater than 0. */
+ BOOL might_be_empty;
+ /* \K is found in the pattern. */
+ BOOL has_set_som;
+ /* (*SKIP:arg) is found in the pattern. */
+ BOOL has_skip_arg;
+ /* (*THEN) is found in the pattern. */
+ BOOL has_then;
+ /* (*SKIP) or (*SKIP:arg) is found in lookbehind assertion. */
+ BOOL has_skip_in_assert_back;
+ /* Currently in recurse or negative assert. */
+ BOOL local_exit;
+ /* Currently in a positive assert. */
+ BOOL positive_assert;
+ /* Newline control. */
+ int nltype;
+ sljit_u32 nlmax;
+ sljit_u32 nlmin;
+ int newline;
+ int bsr_nltype;
+ sljit_u32 bsr_nlmax;
+ sljit_u32 bsr_nlmin;
+ /* Dollar endonly. */
+ int endonly;
+ /* Tables. */
+ sljit_sw ctypes;
+ /* Named capturing brackets. */
+ pcre_uchar *name_table;
+ sljit_sw name_count;
+ sljit_sw name_entry_size;
+
+ /* Labels and jump lists. */
+ struct sljit_label *partialmatchlabel;
+ struct sljit_label *quit_label;
+ struct sljit_label *forced_quit_label;
+ struct sljit_label *accept_label;
+ struct sljit_label *ff_newline_shortcut;
+ stub_list *stubs;
+ label_addr_list *label_addrs;
+ recurse_entry *entries;
+ recurse_entry *currententry;
+ jump_list *partialmatch;
+ jump_list *quit;
+ jump_list *positive_assert_quit;
+ jump_list *forced_quit;
+ jump_list *accept;
+ jump_list *calllimit;
+ jump_list *stackalloc;
+ jump_list *revertframes;
+ jump_list *wordboundary;
+ jump_list *anynewline;
+ jump_list *hspace;
+ jump_list *vspace;
+ jump_list *casefulcmp;
+ jump_list *caselesscmp;
+ jump_list *reset_match;
+ BOOL jscript_compat;
+#ifdef SUPPORT_UTF
+ BOOL utf;
+#ifdef SUPPORT_UCP
+ BOOL use_ucp;
+ jump_list *getucd;
+#endif
+#ifdef COMPILE_PCRE8
+ jump_list *utfreadchar;
+ jump_list *utfreadchar16;
+ jump_list *utfreadtype8;
+#endif
+#endif /* SUPPORT_UTF */
+} compiler_common;
+
+/* For byte_sequence_compare. */
+
+typedef struct compare_context {
+ int length;
+ int sourcereg;
+#if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
+ int ucharptr;
+ union {
+ sljit_s32 asint;
+ sljit_u16 asushort;
+#if defined COMPILE_PCRE8
+ sljit_u8 asbyte;
+ sljit_u8 asuchars[4];
+#elif defined COMPILE_PCRE16
+ sljit_u16 asuchars[2];
+#elif defined COMPILE_PCRE32
+ sljit_u32 asuchars[1];
+#endif
+ } c;
+ union {
+ sljit_s32 asint;
+ sljit_u16 asushort;
+#if defined COMPILE_PCRE8
+ sljit_u8 asbyte;
+ sljit_u8 asuchars[4];
+#elif defined COMPILE_PCRE16
+ sljit_u16 asuchars[2];
+#elif defined COMPILE_PCRE32
+ sljit_u32 asuchars[1];
+#endif
+ } oc;
+#endif
+} compare_context;
+
+/* Undefine sljit macros. */
+#undef CMP
+
+/* Used for accessing the elements of the stack. */
+#define STACK(i) ((i) * (int)sizeof(sljit_sw))
+
+#ifdef SLJIT_PREF_SHIFT_REG
+#if SLJIT_PREF_SHIFT_REG == SLJIT_R2
+/* Nothing. */
+#elif SLJIT_PREF_SHIFT_REG == SLJIT_R3
+#define SHIFT_REG_IS_R3
+#else
+#error "Unsupported shift register"
+#endif
+#endif
+
+#define TMP1 SLJIT_R0
+#ifdef SHIFT_REG_IS_R3
+#define TMP2 SLJIT_R3
+#define TMP3 SLJIT_R2
+#else
+#define TMP2 SLJIT_R2
+#define TMP3 SLJIT_R3
+#endif
+#define STR_PTR SLJIT_S0
+#define STR_END SLJIT_S1
+#define STACK_TOP SLJIT_R1
+#define STACK_LIMIT SLJIT_S2
+#define COUNT_MATCH SLJIT_S3
+#define ARGUMENTS SLJIT_S4
+#define RETURN_ADDR SLJIT_R4
+
+/* Local space layout. */
+/* These two locals can be used by the current opcode. */
+#define LOCALS0 (0 * sizeof(sljit_sw))
+#define LOCALS1 (1 * sizeof(sljit_sw))
+/* Two local variables for possessive quantifiers (char1 cannot use them). */
+#define POSSESSIVE0 (2 * sizeof(sljit_sw))
+#define POSSESSIVE1 (3 * sizeof(sljit_sw))
+/* Max limit of recursions. */
+#define LIMIT_MATCH (4 * sizeof(sljit_sw))
+/* The output vector is stored on the stack, and contains pointers
+to characters. The vector data is divided into two groups: the first
+group contains the start / end character pointers, and the second is
+the start pointers when the end of the capturing group has not yet reached. */
+#define OVECTOR_START (common->ovector_start)
+#define OVECTOR(i) (OVECTOR_START + (i) * (sljit_sw)sizeof(sljit_sw))
+#define OVECTOR_PRIV(i) (common->cbra_ptr + (i) * (sljit_sw)sizeof(sljit_sw))
+#define PRIVATE_DATA(cc) (common->private_data_ptrs[(cc) - common->start])
+
+#if defined COMPILE_PCRE8
+#define MOV_UCHAR SLJIT_MOV_U8
+#elif defined COMPILE_PCRE16
+#define MOV_UCHAR SLJIT_MOV_U16
+#elif defined COMPILE_PCRE32
+#define MOV_UCHAR SLJIT_MOV_U32
+#else
+#error Unsupported compiling mode
+#endif
+
+/* Shortcuts. */
+#define DEFINE_COMPILER \
+ struct sljit_compiler *compiler = common->compiler
+#define OP1(op, dst, dstw, src, srcw) \
+ sljit_emit_op1(compiler, (op), (dst), (dstw), (src), (srcw))
+#define OP2(op, dst, dstw, src1, src1w, src2, src2w) \
+ sljit_emit_op2(compiler, (op), (dst), (dstw), (src1), (src1w), (src2), (src2w))
+#define LABEL() \
+ sljit_emit_label(compiler)
+#define JUMP(type) \
+ sljit_emit_jump(compiler, (type))
+#define JUMPTO(type, label) \
+ sljit_set_label(sljit_emit_jump(compiler, (type)), (label))
+#define JUMPHERE(jump) \
+ sljit_set_label((jump), sljit_emit_label(compiler))
+#define SET_LABEL(jump, label) \
+ sljit_set_label((jump), (label))
+#define CMP(type, src1, src1w, src2, src2w) \
+ sljit_emit_cmp(compiler, (type), (src1), (src1w), (src2), (src2w))
+#define CMPTO(type, src1, src1w, src2, src2w, label) \
+ sljit_set_label(sljit_emit_cmp(compiler, (type), (src1), (src1w), (src2), (src2w)), (label))
+#define OP_FLAGS(op, dst, dstw, type) \
+ sljit_emit_op_flags(compiler, (op), (dst), (dstw), (type))
+#define GET_LOCAL_BASE(dst, dstw, offset) \
+ sljit_get_local_base(compiler, (dst), (dstw), (offset))
+
+#define READ_CHAR_MAX 0x7fffffff
+
+#define INVALID_UTF_CHAR 888
+
+static pcre_uchar *bracketend(pcre_uchar *cc)
+{
+SLJIT_ASSERT((*cc >= OP_ASSERT && *cc <= OP_ASSERTBACK_NOT) || (*cc >= OP_ONCE && *cc <= OP_SCOND));
+do cc += GET(cc, 1); while (*cc == OP_ALT);
+SLJIT_ASSERT(*cc >= OP_KET && *cc <= OP_KETRPOS);
+cc += 1 + LINK_SIZE;
+return cc;
+}
+
+static int no_alternatives(pcre_uchar *cc)
+{
+int count = 0;
+SLJIT_ASSERT((*cc >= OP_ASSERT && *cc <= OP_ASSERTBACK_NOT) || (*cc >= OP_ONCE && *cc <= OP_SCOND));
+do
+ {
+ cc += GET(cc, 1);
+ count++;
+ }
+while (*cc == OP_ALT);
+SLJIT_ASSERT(*cc >= OP_KET && *cc <= OP_KETRPOS);
+return count;
+}
+
+/* Functions whose might need modification for all new supported opcodes:
+ next_opcode
+ check_opcode_types
+ set_private_data_ptrs
+ get_framesize
+ init_frame
+ get_private_data_copy_length
+ copy_private_data
+ compile_matchingpath
+ compile_backtrackingpath
+*/
+
+static pcre_uchar *next_opcode(compiler_common *common, pcre_uchar *cc)
+{
+SLJIT_UNUSED_ARG(common);
+switch(*cc)
+ {
+ case OP_SOD:
+ case OP_SOM:
+ case OP_SET_SOM:
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+ case OP_ANY:
+ case OP_ALLANY:
+ case OP_NOTPROP:
+ case OP_PROP:
+ case OP_ANYNL:
+ case OP_NOT_HSPACE:
+ case OP_HSPACE:
+ case OP_NOT_VSPACE:
+ case OP_VSPACE:
+ case OP_EXTUNI:
+ case OP_EODN:
+ case OP_EOD:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_DOLL:
+ case OP_DOLLM:
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSPLUS:
+ case OP_CRPOSQUERY:
+ case OP_CRPOSRANGE:
+ case OP_CLASS:
+ case OP_NCLASS:
+ case OP_REF:
+ case OP_REFI:
+ case OP_DNREF:
+ case OP_DNREFI:
+ case OP_RECURSE:
+ case OP_CALLOUT:
+ case OP_ALT:
+ case OP_KET:
+ case OP_KETRMAX:
+ case OP_KETRMIN:
+ case OP_KETRPOS:
+ case OP_REVERSE:
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRA:
+ case OP_BRAPOS:
+ case OP_CBRA:
+ case OP_CBRAPOS:
+ case OP_COND:
+ case OP_SBRA:
+ case OP_SBRAPOS:
+ case OP_SCBRA:
+ case OP_SCBRAPOS:
+ case OP_SCOND:
+ case OP_CREF:
+ case OP_DNCREF:
+ case OP_RREF:
+ case OP_DNRREF:
+ case OP_DEF:
+ case OP_BRAZERO:
+ case OP_BRAMINZERO:
+ case OP_BRAPOSZERO:
+ case OP_PRUNE:
+ case OP_SKIP:
+ case OP_THEN:
+ case OP_COMMIT:
+ case OP_FAIL:
+ case OP_ACCEPT:
+ case OP_ASSERT_ACCEPT:
+ case OP_CLOSE:
+ case OP_SKIPZERO:
+ return cc + PRIV(OP_lengths)[*cc];
+
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_EXACT:
+ case OP_POSSTAR:
+ case OP_POSPLUS:
+ case OP_POSQUERY:
+ case OP_POSUPTO:
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_EXACTI:
+ case OP_POSSTARI:
+ case OP_POSPLUSI:
+ case OP_POSQUERYI:
+ case OP_POSUPTOI:
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTQUERY:
+ case OP_NOTMINQUERY:
+ case OP_NOTUPTO:
+ case OP_NOTMINUPTO:
+ case OP_NOTEXACT:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSUPTO:
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERYI:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTOI:
+ case OP_NOTEXACTI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSUPTOI:
+ cc += PRIV(OP_lengths)[*cc];
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ return cc;
+
+ /* Special cases. */
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEEXACT:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ case OP_TYPEPOSUPTO:
+ return cc + PRIV(OP_lengths)[*cc] - 1;
+
+ case OP_ANYBYTE:
+#ifdef SUPPORT_UTF
+ if (common->utf) return NULL;
+#endif
+ return cc + 1;
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ return cc + GET(cc, 1);
+#endif
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ return cc + 1 + 2 + cc[1];
+
+ default:
+ /* All opcodes are supported now! */
+ SLJIT_UNREACHABLE();
+ return NULL;
+ }
+}
+
+static BOOL check_opcode_types(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend)
+{
+int count;
+pcre_uchar *slot;
+pcre_uchar *assert_back_end = cc - 1;
+
+/* Calculate important variables (like stack size) and checks whether all opcodes are supported. */
+while (cc < ccend)
+ {
+ switch(*cc)
+ {
+ case OP_SET_SOM:
+ common->has_set_som = TRUE;
+ common->might_be_empty = TRUE;
+ cc += 1;
+ break;
+
+ case OP_REF:
+ case OP_REFI:
+ common->optimized_cbracket[GET2(cc, 1)] = 0;
+ cc += 1 + IMM2_SIZE;
+ break;
+
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] = 0;
+ cc += 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_COND:
+ case OP_SCOND:
+ /* Only AUTO_CALLOUT can insert this opcode. We do
+ not intend to support this case. */
+ if (cc[1 + LINK_SIZE] == OP_CALLOUT)
+ return FALSE;
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_CREF:
+ common->optimized_cbracket[GET2(cc, 1)] = 0;
+ cc += 1 + IMM2_SIZE;
+ break;
+
+ case OP_DNREF:
+ case OP_DNREFI:
+ case OP_DNCREF:
+ count = GET2(cc, 1 + IMM2_SIZE);
+ slot = common->name_table + GET2(cc, 1) * common->name_entry_size;
+ while (count-- > 0)
+ {
+ common->optimized_cbracket[GET2(slot, 0)] = 0;
+ slot += common->name_entry_size;
+ }
+ cc += 1 + 2 * IMM2_SIZE;
+ break;
+
+ case OP_RECURSE:
+ /* Set its value only once. */
+ if (common->recursive_head_ptr == 0)
+ {
+ common->recursive_head_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_CALLOUT:
+ if (common->capture_last_ptr == 0)
+ {
+ common->capture_last_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ }
+ cc += 2 + 2 * LINK_SIZE;
+ break;
+
+ case OP_ASSERTBACK:
+ slot = bracketend(cc);
+ if (slot > assert_back_end)
+ assert_back_end = slot;
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_THEN_ARG:
+ common->has_then = TRUE;
+ common->control_head_ptr = 1;
+ /* Fall through. */
+
+ case OP_PRUNE_ARG:
+ case OP_MARK:
+ if (common->mark_ptr == 0)
+ {
+ common->mark_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ }
+ cc += 1 + 2 + cc[1];
+ break;
+
+ case OP_THEN:
+ common->has_then = TRUE;
+ common->control_head_ptr = 1;
+ cc += 1;
+ break;
+
+ case OP_SKIP:
+ if (cc < assert_back_end)
+ common->has_skip_in_assert_back = TRUE;
+ cc += 1;
+ break;
+
+ case OP_SKIP_ARG:
+ common->control_head_ptr = 1;
+ common->has_skip_arg = TRUE;
+ if (cc < assert_back_end)
+ common->has_skip_in_assert_back = TRUE;
+ cc += 1 + 2 + cc[1];
+ break;
+
+ default:
+ cc = next_opcode(common, cc);
+ if (cc == NULL)
+ return FALSE;
+ break;
+ }
+ }
+return TRUE;
+}
+
+static BOOL is_accelerated_repeat(pcre_uchar *cc)
+{
+switch(*cc)
+ {
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ return (cc[1] != OP_ANYNL && cc[1] != OP_EXTUNI);
+
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_POSSTAR:
+ case OP_POSPLUS:
+
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_POSSTARI:
+ case OP_POSPLUSI:
+
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSPLUS:
+
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSPLUSI:
+ return TRUE;
+
+ case OP_CLASS:
+ case OP_NCLASS:
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ cc += (*cc == OP_XCLASS) ? GET(cc, 1) : (int)(1 + (32 / sizeof(pcre_uchar)));
+#else
+ cc += (1 + (32 / sizeof(pcre_uchar)));
+#endif
+
+ switch(*cc)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSPLUS:
+ return TRUE;
+ }
+ break;
+ }
+return FALSE;
+}
+
+static SLJIT_INLINE BOOL detect_fast_forward_skip(compiler_common *common, int *private_data_start)
+{
+pcre_uchar *cc = common->start;
+pcre_uchar *end;
+
+/* Skip not repeated brackets. */
+while (TRUE)
+ {
+ switch(*cc)
+ {
+ case OP_SOD:
+ case OP_SOM:
+ case OP_SET_SOM:
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ case OP_EODN:
+ case OP_EOD:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_DOLL:
+ case OP_DOLLM:
+ /* Zero width assertions. */
+ cc++;
+ continue;
+ }
+
+ if (*cc != OP_BRA && *cc != OP_CBRA)
+ break;
+
+ end = cc + GET(cc, 1);
+ if (*end != OP_KET || PRIVATE_DATA(end) != 0)
+ return FALSE;
+ if (*cc == OP_CBRA)
+ {
+ if (common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] == 0)
+ return FALSE;
+ cc += IMM2_SIZE;
+ }
+ cc += 1 + LINK_SIZE;
+ }
+
+if (is_accelerated_repeat(cc))
+ {
+ common->fast_forward_bc_ptr = cc;
+ common->private_data_ptrs[(cc + 1) - common->start] = *private_data_start;
+ *private_data_start += sizeof(sljit_sw);
+ return TRUE;
+ }
+return FALSE;
+}
+
+static SLJIT_INLINE void detect_fast_fail(compiler_common *common, pcre_uchar *cc, int *private_data_start, sljit_s32 depth)
+{
+ pcre_uchar *next_alt;
+
+ SLJIT_ASSERT(*cc == OP_BRA || *cc == OP_CBRA);
+
+ if (*cc == OP_CBRA && common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] == 0)
+ return;
+
+ next_alt = bracketend(cc) - (1 + LINK_SIZE);
+ if (*next_alt != OP_KET || PRIVATE_DATA(next_alt) != 0)
+ return;
+
+ do
+ {
+ next_alt = cc + GET(cc, 1);
+
+ cc += 1 + LINK_SIZE + ((*cc == OP_CBRA) ? IMM2_SIZE : 0);
+
+ while (TRUE)
+ {
+ switch(*cc)
+ {
+ case OP_SOD:
+ case OP_SOM:
+ case OP_SET_SOM:
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ case OP_EODN:
+ case OP_EOD:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_DOLL:
+ case OP_DOLLM:
+ /* Zero width assertions. */
+ cc++;
+ continue;
+ }
+ break;
+ }
+
+ if (depth > 0 && (*cc == OP_BRA || *cc == OP_CBRA))
+ detect_fast_fail(common, cc, private_data_start, depth - 1);
+
+ if (is_accelerated_repeat(cc))
+ {
+ common->private_data_ptrs[(cc + 1) - common->start] = *private_data_start;
+
+ if (common->fast_fail_start_ptr == 0)
+ common->fast_fail_start_ptr = *private_data_start;
+
+ *private_data_start += sizeof(sljit_sw);
+ common->fast_fail_end_ptr = *private_data_start;
+
+ if (*private_data_start > SLJIT_MAX_LOCAL_SIZE)
+ return;
+ }
+
+ cc = next_alt;
+ }
+ while (*cc == OP_ALT);
+}
+
+static int get_class_iterator_size(pcre_uchar *cc)
+{
+sljit_u32 min;
+sljit_u32 max;
+switch(*cc)
+ {
+ case OP_CRSTAR:
+ case OP_CRPLUS:
+ return 2;
+
+ case OP_CRMINSTAR:
+ case OP_CRMINPLUS:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ return 1;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ min = GET2(cc, 1);
+ max = GET2(cc, 1 + IMM2_SIZE);
+ if (max == 0)
+ return (*cc == OP_CRRANGE) ? 2 : 1;
+ max -= min;
+ if (max > 2)
+ max = 2;
+ return max;
+
+ default:
+ return 0;
+ }
+}
+
+static BOOL detect_repeat(compiler_common *common, pcre_uchar *begin)
+{
+pcre_uchar *end = bracketend(begin);
+pcre_uchar *next;
+pcre_uchar *next_end;
+pcre_uchar *max_end;
+pcre_uchar type;
+sljit_sw length = end - begin;
+int min, max, i;
+
+/* Detect fixed iterations first. */
+if (end[-(1 + LINK_SIZE)] != OP_KET)
+ return FALSE;
+
+/* Already detected repeat. */
+if (common->private_data_ptrs[end - common->start - LINK_SIZE] != 0)
+ return TRUE;
+
+next = end;
+min = 1;
+while (1)
+ {
+ if (*next != *begin)
+ break;
+ next_end = bracketend(next);
+ if (next_end - next != length || memcmp(begin, next, IN_UCHARS(length)) != 0)
+ break;
+ next = next_end;
+ min++;
+ }
+
+if (min == 2)
+ return FALSE;
+
+max = 0;
+max_end = next;
+if (*next == OP_BRAZERO || *next == OP_BRAMINZERO)
+ {
+ type = *next;
+ while (1)
+ {
+ if (next[0] != type || next[1] != OP_BRA || next[2 + LINK_SIZE] != *begin)
+ break;
+ next_end = bracketend(next + 2 + LINK_SIZE);
+ if (next_end - next != (length + 2 + LINK_SIZE) || memcmp(begin, next + 2 + LINK_SIZE, IN_UCHARS(length)) != 0)
+ break;
+ next = next_end;
+ max++;
+ }
+
+ if (next[0] == type && next[1] == *begin && max >= 1)
+ {
+ next_end = bracketend(next + 1);
+ if (next_end - next == (length + 1) && memcmp(begin, next + 1, IN_UCHARS(length)) == 0)
+ {
+ for (i = 0; i < max; i++, next_end += 1 + LINK_SIZE)
+ if (*next_end != OP_KET)
+ break;
+
+ if (i == max)
+ {
+ common->private_data_ptrs[max_end - common->start - LINK_SIZE] = next_end - max_end;
+ common->private_data_ptrs[max_end - common->start - LINK_SIZE + 1] = (type == OP_BRAZERO) ? OP_UPTO : OP_MINUPTO;
+ /* +2 the original and the last. */
+ common->private_data_ptrs[max_end - common->start - LINK_SIZE + 2] = max + 2;
+ if (min == 1)
+ return TRUE;
+ min--;
+ max_end -= (1 + LINK_SIZE) + GET(max_end, -LINK_SIZE);
+ }
+ }
+ }
+ }
+
+if (min >= 3)
+ {
+ common->private_data_ptrs[end - common->start - LINK_SIZE] = max_end - end;
+ common->private_data_ptrs[end - common->start - LINK_SIZE + 1] = OP_EXACT;
+ common->private_data_ptrs[end - common->start - LINK_SIZE + 2] = min;
+ return TRUE;
+ }
+
+return FALSE;
+}
+
+#define CASE_ITERATOR_PRIVATE_DATA_1 \
+ case OP_MINSTAR: \
+ case OP_MINPLUS: \
+ case OP_QUERY: \
+ case OP_MINQUERY: \
+ case OP_MINSTARI: \
+ case OP_MINPLUSI: \
+ case OP_QUERYI: \
+ case OP_MINQUERYI: \
+ case OP_NOTMINSTAR: \
+ case OP_NOTMINPLUS: \
+ case OP_NOTQUERY: \
+ case OP_NOTMINQUERY: \
+ case OP_NOTMINSTARI: \
+ case OP_NOTMINPLUSI: \
+ case OP_NOTQUERYI: \
+ case OP_NOTMINQUERYI:
+
+#define CASE_ITERATOR_PRIVATE_DATA_2A \
+ case OP_STAR: \
+ case OP_PLUS: \
+ case OP_STARI: \
+ case OP_PLUSI: \
+ case OP_NOTSTAR: \
+ case OP_NOTPLUS: \
+ case OP_NOTSTARI: \
+ case OP_NOTPLUSI:
+
+#define CASE_ITERATOR_PRIVATE_DATA_2B \
+ case OP_UPTO: \
+ case OP_MINUPTO: \
+ case OP_UPTOI: \
+ case OP_MINUPTOI: \
+ case OP_NOTUPTO: \
+ case OP_NOTMINUPTO: \
+ case OP_NOTUPTOI: \
+ case OP_NOTMINUPTOI:
+
+#define CASE_ITERATOR_TYPE_PRIVATE_DATA_1 \
+ case OP_TYPEMINSTAR: \
+ case OP_TYPEMINPLUS: \
+ case OP_TYPEQUERY: \
+ case OP_TYPEMINQUERY:
+
+#define CASE_ITERATOR_TYPE_PRIVATE_DATA_2A \
+ case OP_TYPESTAR: \
+ case OP_TYPEPLUS:
+
+#define CASE_ITERATOR_TYPE_PRIVATE_DATA_2B \
+ case OP_TYPEUPTO: \
+ case OP_TYPEMINUPTO:
+
+static void set_private_data_ptrs(compiler_common *common, int *private_data_start, pcre_uchar *ccend)
+{
+pcre_uchar *cc = common->start;
+pcre_uchar *alternative;
+pcre_uchar *end = NULL;
+int private_data_ptr = *private_data_start;
+int space, size, bracketlen;
+BOOL repeat_check = TRUE;
+
+while (cc < ccend)
+ {
+ space = 0;
+ size = 0;
+ bracketlen = 0;
+ if (private_data_ptr > SLJIT_MAX_LOCAL_SIZE)
+ break;
+
+ if (repeat_check && (*cc == OP_ONCE || *cc == OP_ONCE_NC || *cc == OP_BRA || *cc == OP_CBRA || *cc == OP_COND))
+ {
+ if (detect_repeat(common, cc))
+ {
+ /* These brackets are converted to repeats, so no global
+ based single character repeat is allowed. */
+ if (cc >= end)
+ end = bracketend(cc);
+ }
+ }
+ repeat_check = TRUE;
+
+ switch(*cc)
+ {
+ case OP_KET:
+ if (common->private_data_ptrs[cc + 1 - common->start] != 0)
+ {
+ common->private_data_ptrs[cc - common->start] = private_data_ptr;
+ private_data_ptr += sizeof(sljit_sw);
+ cc += common->private_data_ptrs[cc + 1 - common->start];
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRAPOS:
+ case OP_SBRA:
+ case OP_SBRAPOS:
+ case OP_SCOND:
+ common->private_data_ptrs[cc - common->start] = private_data_ptr;
+ private_data_ptr += sizeof(sljit_sw);
+ bracketlen = 1 + LINK_SIZE;
+ break;
+
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ common->private_data_ptrs[cc - common->start] = private_data_ptr;
+ private_data_ptr += sizeof(sljit_sw);
+ bracketlen = 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_COND:
+ /* Might be a hidden SCOND. */
+ alternative = cc + GET(cc, 1);
+ if (*alternative == OP_KETRMAX || *alternative == OP_KETRMIN)
+ {
+ common->private_data_ptrs[cc - common->start] = private_data_ptr;
+ private_data_ptr += sizeof(sljit_sw);
+ }
+ bracketlen = 1 + LINK_SIZE;
+ break;
+
+ case OP_BRA:
+ bracketlen = 1 + LINK_SIZE;
+ break;
+
+ case OP_CBRA:
+ case OP_SCBRA:
+ bracketlen = 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_BRAZERO:
+ case OP_BRAMINZERO:
+ case OP_BRAPOSZERO:
+ repeat_check = FALSE;
+ size = 1;
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_1
+ space = 1;
+ size = -2;
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_2A
+ space = 2;
+ size = -2;
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_2B
+ space = 2;
+ size = -(2 + IMM2_SIZE);
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_1
+ space = 1;
+ size = 1;
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_2A
+ if (cc[1] != OP_ANYNL && cc[1] != OP_EXTUNI)
+ space = 2;
+ size = 1;
+ break;
+
+ case OP_TYPEUPTO:
+ if (cc[1 + IMM2_SIZE] != OP_ANYNL && cc[1 + IMM2_SIZE] != OP_EXTUNI)
+ space = 2;
+ size = 1 + IMM2_SIZE;
+ break;
+
+ case OP_TYPEMINUPTO:
+ space = 2;
+ size = 1 + IMM2_SIZE;
+ break;
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ space = get_class_iterator_size(cc + size);
+ size = 1 + 32 / sizeof(pcre_uchar);
+ break;
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ space = get_class_iterator_size(cc + size);
+ size = GET(cc, 1);
+ break;
+#endif
+
+ default:
+ cc = next_opcode(common, cc);
+ SLJIT_ASSERT(cc != NULL);
+ break;
+ }
+
+ /* Character iterators, which are not inside a repeated bracket,
+ gets a private slot instead of allocating it on the stack. */
+ if (space > 0 && cc >= end)
+ {
+ common->private_data_ptrs[cc - common->start] = private_data_ptr;
+ private_data_ptr += sizeof(sljit_sw) * space;
+ }
+
+ if (size != 0)
+ {
+ if (size < 0)
+ {
+ cc += -size;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ }
+ else
+ cc += size;
+ }
+
+ if (bracketlen > 0)
+ {
+ if (cc >= end)
+ {
+ end = bracketend(cc);
+ if (end[-1 - LINK_SIZE] == OP_KET)
+ end = NULL;
+ }
+ cc += bracketlen;
+ }
+ }
+*private_data_start = private_data_ptr;
+}
+
+/* Returns with a frame_types (always < 0) if no need for frame. */
+static int get_framesize(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, BOOL recursive, BOOL *needs_control_head)
+{
+int length = 0;
+int possessive = 0;
+BOOL stack_restore = FALSE;
+BOOL setsom_found = recursive;
+BOOL setmark_found = recursive;
+/* The last capture is a local variable even for recursions. */
+BOOL capture_last_found = FALSE;
+
+#if defined DEBUG_FORCE_CONTROL_HEAD && DEBUG_FORCE_CONTROL_HEAD
+SLJIT_ASSERT(common->control_head_ptr != 0);
+*needs_control_head = TRUE;
+#else
+*needs_control_head = FALSE;
+#endif
+
+if (ccend == NULL)
+ {
+ ccend = bracketend(cc) - (1 + LINK_SIZE);
+ if (!recursive && (*cc == OP_CBRAPOS || *cc == OP_SCBRAPOS))
+ {
+ possessive = length = (common->capture_last_ptr != 0) ? 5 : 3;
+ /* This is correct regardless of common->capture_last_ptr. */
+ capture_last_found = TRUE;
+ }
+ cc = next_opcode(common, cc);
+ }
+
+SLJIT_ASSERT(cc != NULL);
+while (cc < ccend)
+ switch(*cc)
+ {
+ case OP_SET_SOM:
+ SLJIT_ASSERT(common->has_set_som);
+ stack_restore = TRUE;
+ if (!setsom_found)
+ {
+ length += 2;
+ setsom_found = TRUE;
+ }
+ cc += 1;
+ break;
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_THEN_ARG:
+ SLJIT_ASSERT(common->mark_ptr != 0);
+ stack_restore = TRUE;
+ if (!setmark_found)
+ {
+ length += 2;
+ setmark_found = TRUE;
+ }
+ if (common->control_head_ptr != 0)
+ *needs_control_head = TRUE;
+ cc += 1 + 2 + cc[1];
+ break;
+
+ case OP_RECURSE:
+ stack_restore = TRUE;
+ if (common->has_set_som && !setsom_found)
+ {
+ length += 2;
+ setsom_found = TRUE;
+ }
+ if (common->mark_ptr != 0 && !setmark_found)
+ {
+ length += 2;
+ setmark_found = TRUE;
+ }
+ if (common->capture_last_ptr != 0 && !capture_last_found)
+ {
+ length += 2;
+ capture_last_found = TRUE;
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_CBRA:
+ case OP_CBRAPOS:
+ case OP_SCBRA:
+ case OP_SCBRAPOS:
+ stack_restore = TRUE;
+ if (common->capture_last_ptr != 0 && !capture_last_found)
+ {
+ length += 2;
+ capture_last_found = TRUE;
+ }
+ length += 3;
+ cc += 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_THEN:
+ stack_restore = TRUE;
+ if (common->control_head_ptr != 0)
+ *needs_control_head = TRUE;
+ cc ++;
+ break;
+
+ default:
+ stack_restore = TRUE;
+ /* Fall through. */
+
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+ case OP_ANY:
+ case OP_ALLANY:
+ case OP_ANYBYTE:
+ case OP_NOTPROP:
+ case OP_PROP:
+ case OP_ANYNL:
+ case OP_NOT_HSPACE:
+ case OP_HSPACE:
+ case OP_NOT_VSPACE:
+ case OP_VSPACE:
+ case OP_EXTUNI:
+ case OP_EODN:
+ case OP_EOD:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_DOLL:
+ case OP_DOLLM:
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+
+ case OP_EXACT:
+ case OP_POSSTAR:
+ case OP_POSPLUS:
+ case OP_POSQUERY:
+ case OP_POSUPTO:
+
+ case OP_EXACTI:
+ case OP_POSSTARI:
+ case OP_POSPLUSI:
+ case OP_POSQUERYI:
+ case OP_POSUPTOI:
+
+ case OP_NOTEXACT:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSUPTO:
+
+ case OP_NOTEXACTI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSUPTOI:
+
+ case OP_TYPEEXACT:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ case OP_TYPEPOSUPTO:
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ case OP_XCLASS:
+ case OP_CALLOUT:
+
+ cc = next_opcode(common, cc);
+ SLJIT_ASSERT(cc != NULL);
+ break;
+ }
+
+/* Possessive quantifiers can use a special case. */
+if (SLJIT_UNLIKELY(possessive == length))
+ return stack_restore ? no_frame : no_stack;
+
+if (length > 0)
+ return length + 1;
+return stack_restore ? no_frame : no_stack;
+}
+
+static void init_frame(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, int stackpos, int stacktop, BOOL recursive)
+{
+DEFINE_COMPILER;
+BOOL setsom_found = recursive;
+BOOL setmark_found = recursive;
+/* The last capture is a local variable even for recursions. */
+BOOL capture_last_found = FALSE;
+int offset;
+
+/* >= 1 + shortest item size (2) */
+SLJIT_UNUSED_ARG(stacktop);
+SLJIT_ASSERT(stackpos >= stacktop + 2);
+
+stackpos = STACK(stackpos);
+if (ccend == NULL)
+ {
+ ccend = bracketend(cc) - (1 + LINK_SIZE);
+ if (recursive || (*cc != OP_CBRAPOS && *cc != OP_SCBRAPOS))
+ cc = next_opcode(common, cc);
+ }
+
+SLJIT_ASSERT(cc != NULL);
+while (cc < ccend)
+ switch(*cc)
+ {
+ case OP_SET_SOM:
+ SLJIT_ASSERT(common->has_set_som);
+ if (!setsom_found)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -OVECTOR(0));
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+ setsom_found = TRUE;
+ }
+ cc += 1;
+ break;
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_THEN_ARG:
+ SLJIT_ASSERT(common->mark_ptr != 0);
+ if (!setmark_found)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->mark_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->mark_ptr);
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+ setmark_found = TRUE;
+ }
+ cc += 1 + 2 + cc[1];
+ break;
+
+ case OP_RECURSE:
+ if (common->has_set_som && !setsom_found)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -OVECTOR(0));
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+ setsom_found = TRUE;
+ }
+ if (common->mark_ptr != 0 && !setmark_found)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->mark_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->mark_ptr);
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+ setmark_found = TRUE;
+ }
+ if (common->capture_last_ptr != 0 && !capture_last_found)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->capture_last_ptr);
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+ capture_last_found = TRUE;
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_CBRA:
+ case OP_CBRAPOS:
+ case OP_SCBRA:
+ case OP_SCBRAPOS:
+ if (common->capture_last_ptr != 0 && !capture_last_found)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->capture_last_ptr);
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+ capture_last_found = TRUE;
+ }
+ offset = (GET2(cc, 1 + LINK_SIZE)) << 1;
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, OVECTOR(offset));
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP2, 0);
+ stackpos -= (int)sizeof(sljit_sw);
+
+ cc += 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ default:
+ cc = next_opcode(common, cc);
+ SLJIT_ASSERT(cc != NULL);
+ break;
+ }
+
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, 0);
+SLJIT_ASSERT(stackpos == STACK(stacktop));
+}
+
+static SLJIT_INLINE int get_private_data_copy_length(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, BOOL needs_control_head)
+{
+int private_data_length = needs_control_head ? 3 : 2;
+int size;
+pcre_uchar *alternative;
+/* Calculate the sum of the private machine words. */
+while (cc < ccend)
+ {
+ size = 0;
+ switch(*cc)
+ {
+ case OP_KET:
+ if (PRIVATE_DATA(cc) != 0)
+ {
+ private_data_length++;
+ SLJIT_ASSERT(PRIVATE_DATA(cc + 1) != 0);
+ cc += PRIVATE_DATA(cc + 1);
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRAPOS:
+ case OP_SBRA:
+ case OP_SBRAPOS:
+ case OP_SCOND:
+ private_data_length++;
+ SLJIT_ASSERT(PRIVATE_DATA(cc) != 0);
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_CBRA:
+ case OP_SCBRA:
+ if (common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] == 0)
+ private_data_length++;
+ cc += 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ private_data_length += 2;
+ cc += 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_COND:
+ /* Might be a hidden SCOND. */
+ alternative = cc + GET(cc, 1);
+ if (*alternative == OP_KETRMAX || *alternative == OP_KETRMIN)
+ private_data_length++;
+ cc += 1 + LINK_SIZE;
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_1
+ if (PRIVATE_DATA(cc))
+ private_data_length++;
+ cc += 2;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_2A
+ if (PRIVATE_DATA(cc))
+ private_data_length += 2;
+ cc += 2;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_2B
+ if (PRIVATE_DATA(cc))
+ private_data_length += 2;
+ cc += 2 + IMM2_SIZE;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_1
+ if (PRIVATE_DATA(cc))
+ private_data_length++;
+ cc += 1;
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_2A
+ if (PRIVATE_DATA(cc))
+ private_data_length += 2;
+ cc += 1;
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_2B
+ if (PRIVATE_DATA(cc))
+ private_data_length += 2;
+ cc += 1 + IMM2_SIZE;
+ break;
+
+ case OP_CLASS:
+ case OP_NCLASS:
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ size = (*cc == OP_XCLASS) ? GET(cc, 1) : 1 + 32 / (int)sizeof(pcre_uchar);
+#else
+ size = 1 + 32 / (int)sizeof(pcre_uchar);
+#endif
+ if (PRIVATE_DATA(cc))
+ private_data_length += get_class_iterator_size(cc + size);
+ cc += size;
+ break;
+
+ default:
+ cc = next_opcode(common, cc);
+ SLJIT_ASSERT(cc != NULL);
+ break;
+ }
+ }
+SLJIT_ASSERT(cc == ccend);
+return private_data_length;
+}
+
+static void copy_private_data(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend,
+ BOOL save, int stackptr, int stacktop, BOOL needs_control_head)
+{
+DEFINE_COMPILER;
+int srcw[2];
+int count, size;
+BOOL tmp1next = TRUE;
+BOOL tmp1empty = TRUE;
+BOOL tmp2empty = TRUE;
+pcre_uchar *alternative;
+enum {
+ loop,
+ end
+} status;
+
+status = loop;
+stackptr = STACK(stackptr);
+stacktop = STACK(stacktop - 1);
+
+if (!save)
+ {
+ stacktop -= (needs_control_head ? 2 : 1) * sizeof(sljit_sw);
+ if (stackptr < stacktop)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), stackptr);
+ stackptr += sizeof(sljit_sw);
+ tmp1empty = FALSE;
+ }
+ if (stackptr < stacktop)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), stackptr);
+ stackptr += sizeof(sljit_sw);
+ tmp2empty = FALSE;
+ }
+ /* The tmp1next must be TRUE in either way. */
+ }
+
+SLJIT_ASSERT(common->recursive_head_ptr != 0);
+
+do
+ {
+ count = 0;
+ if (cc >= ccend)
+ {
+ if (!save)
+ break;
+
+ count = 1;
+ srcw[0] = common->recursive_head_ptr;
+ if (needs_control_head)
+ {
+ SLJIT_ASSERT(common->control_head_ptr != 0);
+ count = 2;
+ srcw[0] = common->control_head_ptr;
+ srcw[1] = common->recursive_head_ptr;
+ }
+ status = end;
+ }
+ else switch(*cc)
+ {
+ case OP_KET:
+ if (PRIVATE_DATA(cc) != 0)
+ {
+ count = 1;
+ srcw[0] = PRIVATE_DATA(cc);
+ SLJIT_ASSERT(PRIVATE_DATA(cc + 1) != 0);
+ cc += PRIVATE_DATA(cc + 1);
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRAPOS:
+ case OP_SBRA:
+ case OP_SBRAPOS:
+ case OP_SCOND:
+ count = 1;
+ srcw[0] = PRIVATE_DATA(cc);
+ SLJIT_ASSERT(srcw[0] != 0);
+ cc += 1 + LINK_SIZE;
+ break;
+
+ case OP_CBRA:
+ case OP_SCBRA:
+ if (common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] == 0)
+ {
+ count = 1;
+ srcw[0] = OVECTOR_PRIV(GET2(cc, 1 + LINK_SIZE));
+ }
+ cc += 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ count = 2;
+ srcw[0] = PRIVATE_DATA(cc);
+ srcw[1] = OVECTOR_PRIV(GET2(cc, 1 + LINK_SIZE));
+ SLJIT_ASSERT(srcw[0] != 0 && srcw[1] != 0);
+ cc += 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ case OP_COND:
+ /* Might be a hidden SCOND. */
+ alternative = cc + GET(cc, 1);
+ if (*alternative == OP_KETRMAX || *alternative == OP_KETRMIN)
+ {
+ count = 1;
+ srcw[0] = PRIVATE_DATA(cc);
+ SLJIT_ASSERT(srcw[0] != 0);
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_1
+ if (PRIVATE_DATA(cc))
+ {
+ count = 1;
+ srcw[0] = PRIVATE_DATA(cc);
+ }
+ cc += 2;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_2A
+ if (PRIVATE_DATA(cc))
+ {
+ count = 2;
+ srcw[0] = PRIVATE_DATA(cc);
+ srcw[1] = PRIVATE_DATA(cc) + sizeof(sljit_sw);
+ }
+ cc += 2;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ CASE_ITERATOR_PRIVATE_DATA_2B
+ if (PRIVATE_DATA(cc))
+ {
+ count = 2;
+ srcw[0] = PRIVATE_DATA(cc);
+ srcw[1] = PRIVATE_DATA(cc) + sizeof(sljit_sw);
+ }
+ cc += 2 + IMM2_SIZE;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_1
+ if (PRIVATE_DATA(cc))
+ {
+ count = 1;
+ srcw[0] = PRIVATE_DATA(cc);
+ }
+ cc += 1;
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_2A
+ if (PRIVATE_DATA(cc))
+ {
+ count = 2;
+ srcw[0] = PRIVATE_DATA(cc);
+ srcw[1] = srcw[0] + sizeof(sljit_sw);
+ }
+ cc += 1;
+ break;
+
+ CASE_ITERATOR_TYPE_PRIVATE_DATA_2B
+ if (PRIVATE_DATA(cc))
+ {
+ count = 2;
+ srcw[0] = PRIVATE_DATA(cc);
+ srcw[1] = srcw[0] + sizeof(sljit_sw);
+ }
+ cc += 1 + IMM2_SIZE;
+ break;
+
+ case OP_CLASS:
+ case OP_NCLASS:
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ size = (*cc == OP_XCLASS) ? GET(cc, 1) : 1 + 32 / (int)sizeof(pcre_uchar);
+#else
+ size = 1 + 32 / (int)sizeof(pcre_uchar);
+#endif
+ if (PRIVATE_DATA(cc))
+ switch(get_class_iterator_size(cc + size))
+ {
+ case 1:
+ count = 1;
+ srcw[0] = PRIVATE_DATA(cc);
+ break;
+
+ case 2:
+ count = 2;
+ srcw[0] = PRIVATE_DATA(cc);
+ srcw[1] = srcw[0] + sizeof(sljit_sw);
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+ cc += size;
+ break;
+
+ default:
+ cc = next_opcode(common, cc);
+ SLJIT_ASSERT(cc != NULL);
+ break;
+ }
+
+ while (count > 0)
+ {
+ count--;
+ if (save)
+ {
+ if (tmp1next)
+ {
+ if (!tmp1empty)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);
+ stackptr += sizeof(sljit_sw);
+ }
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), srcw[count]);
+ tmp1empty = FALSE;
+ tmp1next = FALSE;
+ }
+ else
+ {
+ if (!tmp2empty)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);
+ stackptr += sizeof(sljit_sw);
+ }
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), srcw[count]);
+ tmp2empty = FALSE;
+ tmp1next = TRUE;
+ }
+ }
+ else
+ {
+ if (tmp1next)
+ {
+ SLJIT_ASSERT(!tmp1empty);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), srcw[count], TMP1, 0);
+ tmp1empty = stackptr >= stacktop;
+ if (!tmp1empty)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), stackptr);
+ stackptr += sizeof(sljit_sw);
+ }
+ tmp1next = FALSE;
+ }
+ else
+ {
+ SLJIT_ASSERT(!tmp2empty);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), srcw[count], TMP2, 0);
+ tmp2empty = stackptr >= stacktop;
+ if (!tmp2empty)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), stackptr);
+ stackptr += sizeof(sljit_sw);
+ }
+ tmp1next = TRUE;
+ }
+ }
+ }
+ }
+while (status != end);
+
+if (save)
+ {
+ if (tmp1next)
+ {
+ if (!tmp1empty)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);
+ stackptr += sizeof(sljit_sw);
+ }
+ if (!tmp2empty)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);
+ stackptr += sizeof(sljit_sw);
+ }
+ }
+ else
+ {
+ if (!tmp2empty)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);
+ stackptr += sizeof(sljit_sw);
+ }
+ if (!tmp1empty)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);
+ stackptr += sizeof(sljit_sw);
+ }
+ }
+ }
+SLJIT_ASSERT(cc == ccend && stackptr == stacktop && (save || (tmp1empty && tmp2empty)));
+}
+
+static SLJIT_INLINE pcre_uchar *set_then_offsets(compiler_common *common, pcre_uchar *cc, sljit_u8 *current_offset)
+{
+pcre_uchar *end = bracketend(cc);
+BOOL has_alternatives = cc[GET(cc, 1)] == OP_ALT;
+
+/* Assert captures then. */
+if (*cc >= OP_ASSERT && *cc <= OP_ASSERTBACK_NOT)
+ current_offset = NULL;
+/* Conditional block does not. */
+if (*cc == OP_COND || *cc == OP_SCOND)
+ has_alternatives = FALSE;
+
+cc = next_opcode(common, cc);
+if (has_alternatives)
+ current_offset = common->then_offsets + (cc - common->start);
+
+while (cc < end)
+ {
+ if ((*cc >= OP_ASSERT && *cc <= OP_ASSERTBACK_NOT) || (*cc >= OP_ONCE && *cc <= OP_SCOND))
+ cc = set_then_offsets(common, cc, current_offset);
+ else
+ {
+ if (*cc == OP_ALT && has_alternatives)
+ current_offset = common->then_offsets + (cc + 1 + LINK_SIZE - common->start);
+ if (*cc >= OP_THEN && *cc <= OP_THEN_ARG && current_offset != NULL)
+ *current_offset = 1;
+ cc = next_opcode(common, cc);
+ }
+ }
+
+return end;
+}
+
+#undef CASE_ITERATOR_PRIVATE_DATA_1
+#undef CASE_ITERATOR_PRIVATE_DATA_2A
+#undef CASE_ITERATOR_PRIVATE_DATA_2B
+#undef CASE_ITERATOR_TYPE_PRIVATE_DATA_1
+#undef CASE_ITERATOR_TYPE_PRIVATE_DATA_2A
+#undef CASE_ITERATOR_TYPE_PRIVATE_DATA_2B
+
+static SLJIT_INLINE BOOL is_powerof2(unsigned int value)
+{
+return (value & (value - 1)) == 0;
+}
+
+static SLJIT_INLINE void set_jumps(jump_list *list, struct sljit_label *label)
+{
+while (list)
+ {
+ /* sljit_set_label is clever enough to do nothing
+ if either the jump or the label is NULL. */
+ SET_LABEL(list->jump, label);
+ list = list->next;
+ }
+}
+
+static SLJIT_INLINE void add_jump(struct sljit_compiler *compiler, jump_list **list, struct sljit_jump *jump)
+{
+jump_list *list_item = sljit_alloc_memory(compiler, sizeof(jump_list));
+if (list_item)
+ {
+ list_item->next = *list;
+ list_item->jump = jump;
+ *list = list_item;
+ }
+}
+
+static void add_stub(compiler_common *common, struct sljit_jump *start)
+{
+DEFINE_COMPILER;
+stub_list *list_item = sljit_alloc_memory(compiler, sizeof(stub_list));
+
+if (list_item)
+ {
+ list_item->start = start;
+ list_item->quit = LABEL();
+ list_item->next = common->stubs;
+ common->stubs = list_item;
+ }
+}
+
+static void flush_stubs(compiler_common *common)
+{
+DEFINE_COMPILER;
+stub_list *list_item = common->stubs;
+
+while (list_item)
+ {
+ JUMPHERE(list_item->start);
+ add_jump(compiler, &common->stackalloc, JUMP(SLJIT_FAST_CALL));
+ JUMPTO(SLJIT_JUMP, list_item->quit);
+ list_item = list_item->next;
+ }
+common->stubs = NULL;
+}
+
+static void add_label_addr(compiler_common *common, sljit_uw *update_addr)
+{
+DEFINE_COMPILER;
+label_addr_list *label_addr;
+
+label_addr = sljit_alloc_memory(compiler, sizeof(label_addr_list));
+if (label_addr == NULL)
+ return;
+label_addr->label = LABEL();
+label_addr->update_addr = update_addr;
+label_addr->next = common->label_addrs;
+common->label_addrs = label_addr;
+}
+
+static SLJIT_INLINE void count_match(compiler_common *common)
+{
+DEFINE_COMPILER;
+
+OP2(SLJIT_SUB | SLJIT_SET_Z, COUNT_MATCH, 0, COUNT_MATCH, 0, SLJIT_IMM, 1);
+add_jump(compiler, &common->calllimit, JUMP(SLJIT_ZERO));
+}
+
+static SLJIT_INLINE void allocate_stack(compiler_common *common, int size)
+{
+/* May destroy all locals and registers except TMP2. */
+DEFINE_COMPILER;
+
+SLJIT_ASSERT(size > 0);
+OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, size * sizeof(sljit_sw));
+#ifdef DESTROY_REGISTERS
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 12345);
+OP1(SLJIT_MOV, TMP3, 0, TMP1, 0);
+OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0);
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS0, TMP1, 0);
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, TMP1, 0);
+#endif
+add_stub(common, CMP(SLJIT_LESS, STACK_TOP, 0, STACK_LIMIT, 0));
+}
+
+static SLJIT_INLINE void free_stack(compiler_common *common, int size)
+{
+DEFINE_COMPILER;
+
+SLJIT_ASSERT(size > 0);
+OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, size * sizeof(sljit_sw));
+}
+
+static sljit_uw * allocate_read_only_data(compiler_common *common, sljit_uw size)
+{
+DEFINE_COMPILER;
+sljit_uw *result;
+
+if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return NULL;
+
+result = (sljit_uw *)SLJIT_MALLOC(size + sizeof(sljit_uw), compiler->allocator_data);
+if (SLJIT_UNLIKELY(result == NULL))
+ {
+ sljit_set_compiler_memory_error(compiler);
+ return NULL;
+ }
+
+*(void**)result = common->read_only_data_head;
+common->read_only_data_head = (void *)result;
+return result + 1;
+}
+
+static void free_read_only_data(void *current, void *allocator_data)
+{
+void *next;
+
+SLJIT_UNUSED_ARG(allocator_data);
+
+while (current != NULL)
+ {
+ next = *(void**)current;
+ SLJIT_FREE(current, allocator_data);
+ current = next;
+ }
+}
+
+static SLJIT_INLINE void reset_ovector(compiler_common *common, int length)
+{
+DEFINE_COMPILER;
+struct sljit_label *loop;
+int i;
+
+/* At this point we can freely use all temporary registers. */
+SLJIT_ASSERT(length > 1);
+/* TMP1 returns with begin - 1. */
+OP2(SLJIT_SUB, SLJIT_R0, 0, SLJIT_MEM1(SLJIT_S0), SLJIT_OFFSETOF(jit_arguments, begin), SLJIT_IMM, IN_UCHARS(1));
+if (length < 8)
+ {
+ for (i = 1; i < length; i++)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(i), SLJIT_R0, 0);
+ }
+else
+ {
+ if (sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_SUPP | SLJIT_MEM_STORE | SLJIT_MEM_PRE, SLJIT_R0, SLJIT_MEM1(SLJIT_R1), sizeof(sljit_sw)) == SLJIT_SUCCESS)
+ {
+ GET_LOCAL_BASE(SLJIT_R1, 0, OVECTOR_START);
+ OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_IMM, length - 1);
+ loop = LABEL();
+ sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_STORE | SLJIT_MEM_PRE, SLJIT_R0, SLJIT_MEM1(SLJIT_R1), sizeof(sljit_sw));
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_R2, 0, SLJIT_R2, 0, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, loop);
+ }
+ else
+ {
+ GET_LOCAL_BASE(SLJIT_R1, 0, OVECTOR_START + sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_IMM, length - 1);
+ loop = LABEL();
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_R1), 0, SLJIT_R0, 0);
+ OP2(SLJIT_ADD, SLJIT_R1, 0, SLJIT_R1, 0, SLJIT_IMM, sizeof(sljit_sw));
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_R2, 0, SLJIT_R2, 0, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, loop);
+ }
+ }
+}
+
+static SLJIT_INLINE void reset_fast_fail(compiler_common *common)
+{
+DEFINE_COMPILER;
+sljit_s32 i;
+
+SLJIT_ASSERT(common->fast_fail_start_ptr < common->fast_fail_end_ptr);
+
+OP2(SLJIT_SUB, TMP1, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+for (i = common->fast_fail_start_ptr; i < common->fast_fail_end_ptr; i += sizeof(sljit_sw))
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), i, TMP1, 0);
+}
+
+static SLJIT_INLINE void do_reset_match(compiler_common *common, int length)
+{
+DEFINE_COMPILER;
+struct sljit_label *loop;
+int i;
+
+SLJIT_ASSERT(length > 1);
+/* OVECTOR(1) contains the "string begin - 1" constant. */
+if (length > 2)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(1));
+if (length < 8)
+ {
+ for (i = 2; i < length; i++)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(i), TMP1, 0);
+ }
+else
+ {
+ if (sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_SUPP | SLJIT_MEM_STORE | SLJIT_MEM_PRE, TMP1, SLJIT_MEM1(TMP2), sizeof(sljit_sw)) == SLJIT_SUCCESS)
+ {
+ GET_LOCAL_BASE(TMP2, 0, OVECTOR_START + sizeof(sljit_sw));
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_IMM, length - 2);
+ loop = LABEL();
+ sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_STORE | SLJIT_MEM_PRE, TMP1, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ OP2(SLJIT_SUB | SLJIT_SET_Z, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, loop);
+ }
+ else
+ {
+ GET_LOCAL_BASE(TMP2, 0, OVECTOR_START + 2 * sizeof(sljit_sw));
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_IMM, length - 2);
+ loop = LABEL();
+ OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, TMP1, 0);
+ OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, sizeof(sljit_sw));
+ OP2(SLJIT_SUB | SLJIT_SET_Z, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, loop);
+ }
+ }
+
+OP1(SLJIT_MOV, STACK_TOP, 0, ARGUMENTS, 0);
+if (common->mark_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->mark_ptr, SLJIT_IMM, 0);
+if (common->control_head_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_IMM, 0);
+OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), SLJIT_OFFSETOF(jit_arguments, stack));
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->start_ptr);
+OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), SLJIT_OFFSETOF(struct sljit_stack, end));
+}
+
+static sljit_sw SLJIT_FUNC do_search_mark(sljit_sw *current, const pcre_uchar *skip_arg)
+{
+while (current != NULL)
+ {
+ switch (current[1])
+ {
+ case type_then_trap:
+ break;
+
+ case type_mark:
+ if (STRCMP_UC_UC(skip_arg, (pcre_uchar *)current[2]) == 0)
+ return current[3];
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+ SLJIT_ASSERT(current[0] == 0 || current < (sljit_sw*)current[0]);
+ current = (sljit_sw*)current[0];
+ }
+return 0;
+}
+
+static SLJIT_INLINE void copy_ovector(compiler_common *common, int topbracket)
+{
+DEFINE_COMPILER;
+struct sljit_label *loop;
+struct sljit_jump *early_quit;
+BOOL has_pre;
+
+/* At this point we can freely use all registers. */
+OP1(SLJIT_MOV, SLJIT_S2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(1));
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(1), STR_PTR, 0);
+
+OP1(SLJIT_MOV, SLJIT_R0, 0, ARGUMENTS, 0);
+if (common->mark_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_SP), common->mark_ptr);
+OP1(SLJIT_MOV_S32, SLJIT_R1, 0, SLJIT_MEM1(SLJIT_R0), SLJIT_OFFSETOF(jit_arguments, offset_count));
+if (common->mark_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_R0), SLJIT_OFFSETOF(jit_arguments, mark_ptr), SLJIT_R2, 0);
+OP2(SLJIT_SUB, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_R0), SLJIT_OFFSETOF(jit_arguments, offsets), SLJIT_IMM, sizeof(int));
+OP1(SLJIT_MOV, SLJIT_R0, 0, SLJIT_MEM1(SLJIT_R0), SLJIT_OFFSETOF(jit_arguments, begin));
+
+has_pre = sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_SUPP | SLJIT_MEM_PRE, SLJIT_S1, SLJIT_MEM1(SLJIT_S0), sizeof(sljit_sw)) == SLJIT_SUCCESS;
+GET_LOCAL_BASE(SLJIT_S0, 0, OVECTOR_START - (has_pre ? sizeof(sljit_sw) : 0));
+
+/* Unlikely, but possible */
+early_quit = CMP(SLJIT_EQUAL, SLJIT_R1, 0, SLJIT_IMM, 0);
+loop = LABEL();
+
+if (has_pre)
+ sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_PRE, SLJIT_S1, SLJIT_MEM1(SLJIT_S0), sizeof(sljit_sw));
+else
+ {
+ OP1(SLJIT_MOV, SLJIT_S1, 0, SLJIT_MEM1(SLJIT_S0), 0);
+ OP2(SLJIT_ADD, SLJIT_S0, 0, SLJIT_S0, 0, SLJIT_IMM, sizeof(sljit_sw));
+ }
+
+OP2(SLJIT_ADD, SLJIT_R2, 0, SLJIT_R2, 0, SLJIT_IMM, sizeof(int));
+OP2(SLJIT_SUB, SLJIT_S1, 0, SLJIT_S1, 0, SLJIT_R0, 0);
+/* Copy the integer value to the output buffer */
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+OP2(SLJIT_ASHR, SLJIT_S1, 0, SLJIT_S1, 0, SLJIT_IMM, UCHAR_SHIFT);
+#endif
+
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(SLJIT_R2), 0, SLJIT_S1, 0);
+OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_R1, 0, SLJIT_R1, 0, SLJIT_IMM, 1);
+JUMPTO(SLJIT_NOT_ZERO, loop);
+JUMPHERE(early_quit);
+
+/* Calculate the return value, which is the maximum ovector value. */
+if (topbracket > 1)
+ {
+ if (sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_SUPP | SLJIT_MEM_PRE, SLJIT_R2, SLJIT_MEM1(SLJIT_R0), -(2 * (sljit_sw)sizeof(sljit_sw))) == SLJIT_SUCCESS)
+ {
+ GET_LOCAL_BASE(SLJIT_R0, 0, OVECTOR_START + topbracket * 2 * sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_R1, 0, SLJIT_IMM, topbracket + 1);
+
+ /* OVECTOR(0) is never equal to SLJIT_S2. */
+ loop = LABEL();
+ sljit_emit_mem(compiler, SLJIT_MOV | SLJIT_MEM_PRE, SLJIT_R2, SLJIT_MEM1(SLJIT_R0), -(2 * (sljit_sw)sizeof(sljit_sw)));
+ OP2(SLJIT_SUB, SLJIT_R1, 0, SLJIT_R1, 0, SLJIT_IMM, 1);
+ CMPTO(SLJIT_EQUAL, SLJIT_R2, 0, SLJIT_S2, 0, loop);
+ }
+ else
+ {
+ GET_LOCAL_BASE(SLJIT_R0, 0, OVECTOR_START + (topbracket - 1) * 2 * sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_R1, 0, SLJIT_IMM, topbracket + 1);
+
+ /* OVECTOR(0) is never equal to SLJIT_S2. */
+ loop = LABEL();
+ OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_R0), 0);
+ OP2(SLJIT_SUB, SLJIT_R0, 0, SLJIT_R0, 0, SLJIT_IMM, 2 * (sljit_sw)sizeof(sljit_sw));
+ OP2(SLJIT_SUB, SLJIT_R1, 0, SLJIT_R1, 0, SLJIT_IMM, 1);
+ CMPTO(SLJIT_EQUAL, SLJIT_R2, 0, SLJIT_S2, 0, loop);
+ }
+ OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_R1, 0);
+ }
+else
+ OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1);
+}
+
+static SLJIT_INLINE void return_with_partial_match(compiler_common *common, struct sljit_label *quit)
+{
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+SLJIT_COMPILE_ASSERT(STR_END == SLJIT_S1, str_end_must_be_saved_reg2);
+SLJIT_ASSERT(common->start_used_ptr != 0 && common->start_ptr != 0
+ && (common->mode == JIT_PARTIAL_SOFT_COMPILE ? common->hit_start != 0 : common->hit_start == 0));
+
+OP1(SLJIT_MOV, SLJIT_R1, 0, ARGUMENTS, 0);
+OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_PARTIAL);
+OP1(SLJIT_MOV_S32, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_R1), SLJIT_OFFSETOF(jit_arguments, real_offset_count));
+CMPTO(SLJIT_SIG_LESS, SLJIT_R2, 0, SLJIT_IMM, 2, quit);
+
+/* Store match begin and end. */
+OP1(SLJIT_MOV, SLJIT_S0, 0, SLJIT_MEM1(SLJIT_R1), SLJIT_OFFSETOF(jit_arguments, begin));
+OP1(SLJIT_MOV, SLJIT_R1, 0, SLJIT_MEM1(SLJIT_R1), SLJIT_OFFSETOF(jit_arguments, offsets));
+
+jump = CMP(SLJIT_SIG_LESS, SLJIT_R2, 0, SLJIT_IMM, 3);
+OP2(SLJIT_SUB, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_SP), common->mode == JIT_PARTIAL_HARD_COMPILE ? common->start_ptr : (common->hit_start + (int)sizeof(sljit_sw)), SLJIT_S0, 0);
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+OP2(SLJIT_ASHR, SLJIT_R2, 0, SLJIT_R2, 0, SLJIT_IMM, UCHAR_SHIFT);
+#endif
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(SLJIT_R1), 2 * sizeof(int), SLJIT_R2, 0);
+JUMPHERE(jump);
+
+OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_SP), common->mode == JIT_PARTIAL_HARD_COMPILE ? common->start_used_ptr : common->hit_start);
+OP2(SLJIT_SUB, SLJIT_S1, 0, STR_END, 0, SLJIT_S0, 0);
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+OP2(SLJIT_ASHR, SLJIT_S1, 0, SLJIT_S1, 0, SLJIT_IMM, UCHAR_SHIFT);
+#endif
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(SLJIT_R1), sizeof(int), SLJIT_S1, 0);
+
+OP2(SLJIT_SUB, SLJIT_R2, 0, SLJIT_R2, 0, SLJIT_S0, 0);
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+OP2(SLJIT_ASHR, SLJIT_R2, 0, SLJIT_R2, 0, SLJIT_IMM, UCHAR_SHIFT);
+#endif
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(SLJIT_R1), 0, SLJIT_R2, 0);
+
+JUMPTO(SLJIT_JUMP, quit);
+}
+
+static SLJIT_INLINE void check_start_used_ptr(compiler_common *common)
+{
+/* May destroy TMP1. */
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
+ {
+ /* The value of -1 must be kept for start_used_ptr! */
+ OP2(SLJIT_ADD, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, SLJIT_IMM, 1);
+ /* Jumps if start_used_ptr < STR_PTR, or start_used_ptr == -1. Although overwriting
+ is not necessary if start_used_ptr == STR_PTR, it does not hurt as well. */
+ jump = CMP(SLJIT_LESS_EQUAL, TMP1, 0, STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0);
+ JUMPHERE(jump);
+ }
+else if (common->mode == JIT_PARTIAL_HARD_COMPILE)
+ {
+ jump = CMP(SLJIT_LESS_EQUAL, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0);
+ JUMPHERE(jump);
+ }
+}
+
+static SLJIT_INLINE BOOL char_has_othercase(compiler_common *common, pcre_uchar *cc)
+{
+/* Detects if the character has an othercase. */
+unsigned int c;
+
+#ifdef SUPPORT_UTF
+if (common->utf)
+ {
+ GETCHAR(c, cc);
+ if (c > 127)
+ {
+#ifdef SUPPORT_UCP
+ return c != UCD_OTHERCASE(c);
+#else
+ return FALSE;
+#endif
+ }
+#ifndef COMPILE_PCRE8
+ return common->fcc[c] != c;
+#endif
+ }
+else
+#endif
+ c = *cc;
+return MAX_255(c) ? common->fcc[c] != c : FALSE;
+}
+
+static SLJIT_INLINE unsigned int char_othercase(compiler_common *common, unsigned int c)
+{
+/* Returns with the othercase. */
+#ifdef SUPPORT_UTF
+if (common->utf && c > 127)
+ {
+#ifdef SUPPORT_UCP
+ return UCD_OTHERCASE(c);
+#else
+ return c;
+#endif
+ }
+#endif
+return TABLE_GET(c, common->fcc, c);
+}
+
+static unsigned int char_get_othercase_bit(compiler_common *common, pcre_uchar *cc)
+{
+/* Detects if the character and its othercase has only 1 bit difference. */
+unsigned int c, oc, bit;
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+int n;
+#endif
+
+#ifdef SUPPORT_UTF
+if (common->utf)
+ {
+ GETCHAR(c, cc);
+ if (c <= 127)
+ oc = common->fcc[c];
+ else
+ {
+#ifdef SUPPORT_UCP
+ oc = UCD_OTHERCASE(c);
+#else
+ oc = c;
+#endif
+ }
+ }
+else
+ {
+ c = *cc;
+ oc = TABLE_GET(c, common->fcc, c);
+ }
+#else
+c = *cc;
+oc = TABLE_GET(c, common->fcc, c);
+#endif
+
+SLJIT_ASSERT(c != oc);
+
+bit = c ^ oc;
+/* Optimized for English alphabet. */
+if (c <= 127 && bit == 0x20)
+ return (0 << 8) | 0x20;
+
+/* Since c != oc, they must have at least 1 bit difference. */
+if (!is_powerof2(bit))
+ return 0;
+
+#if defined COMPILE_PCRE8
+
+#ifdef SUPPORT_UTF
+if (common->utf && c > 127)
+ {
+ n = GET_EXTRALEN(*cc);
+ while ((bit & 0x3f) == 0)
+ {
+ n--;
+ bit >>= 6;
+ }
+ return (n << 8) | bit;
+ }
+#endif /* SUPPORT_UTF */
+return (0 << 8) | bit;
+
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+
+#ifdef SUPPORT_UTF
+if (common->utf && c > 65535)
+ {
+ if (bit >= (1 << 10))
+ bit >>= 10;
+ else
+ return (bit < 256) ? ((2 << 8) | bit) : ((3 << 8) | (bit >> 8));
+ }
+#endif /* SUPPORT_UTF */
+return (bit < 256) ? ((0 << 8) | bit) : ((1 << 8) | (bit >> 8));
+
+#endif /* COMPILE_PCRE[8|16|32] */
+}
+
+static void check_partial(compiler_common *common, BOOL force)
+{
+/* Checks whether a partial matching is occurred. Does not modify registers. */
+DEFINE_COMPILER;
+struct sljit_jump *jump = NULL;
+
+SLJIT_ASSERT(!force || common->mode != JIT_COMPILE);
+
+if (common->mode == JIT_COMPILE)
+ return;
+
+if (!force)
+ jump = CMP(SLJIT_GREATER_EQUAL, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0);
+else if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
+ jump = CMP(SLJIT_EQUAL, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, SLJIT_IMM, -1);
+
+if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->hit_start, SLJIT_IMM, 0);
+else
+ {
+ if (common->partialmatchlabel != NULL)
+ JUMPTO(SLJIT_JUMP, common->partialmatchlabel);
+ else
+ add_jump(compiler, &common->partialmatch, JUMP(SLJIT_JUMP));
+ }
+
+if (jump != NULL)
+ JUMPHERE(jump);
+}
+
+static void check_str_end(compiler_common *common, jump_list **end_reached)
+{
+/* Does not affect registers. Usually used in a tight spot. */
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+if (common->mode == JIT_COMPILE)
+ {
+ add_jump(compiler, end_reached, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
+ return;
+ }
+
+jump = CMP(SLJIT_LESS, STR_PTR, 0, STR_END, 0);
+if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
+ {
+ add_jump(compiler, end_reached, CMP(SLJIT_GREATER_EQUAL, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->hit_start, SLJIT_IMM, 0);
+ add_jump(compiler, end_reached, JUMP(SLJIT_JUMP));
+ }
+else
+ {
+ add_jump(compiler, end_reached, CMP(SLJIT_GREATER_EQUAL, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0));
+ if (common->partialmatchlabel != NULL)
+ JUMPTO(SLJIT_JUMP, common->partialmatchlabel);
+ else
+ add_jump(compiler, &common->partialmatch, JUMP(SLJIT_JUMP));
+ }
+JUMPHERE(jump);
+}
+
+static void detect_partial_match(compiler_common *common, jump_list **backtracks)
+{
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+if (common->mode == JIT_COMPILE)
+ {
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
+ return;
+ }
+
+/* Partial matching mode. */
+jump = CMP(SLJIT_LESS, STR_PTR, 0, STR_END, 0);
+add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0));
+if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->hit_start, SLJIT_IMM, 0);
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+ }
+else
+ {
+ if (common->partialmatchlabel != NULL)
+ JUMPTO(SLJIT_JUMP, common->partialmatchlabel);
+ else
+ add_jump(compiler, &common->partialmatch, JUMP(SLJIT_JUMP));
+ }
+JUMPHERE(jump);
+}
+
+static void peek_char(compiler_common *common, sljit_u32 max)
+{
+/* Reads the character into TMP1, keeps STR_PTR.
+Does not check STR_END. TMP2 Destroyed. */
+DEFINE_COMPILER;
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+struct sljit_jump *jump;
+#endif
+
+SLJIT_UNUSED_ARG(max);
+
+OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+if (common->utf)
+ {
+ if (max < 128) return;
+
+ jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ add_jump(compiler, &common->utfreadchar, JUMP(SLJIT_FAST_CALL));
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+ JUMPHERE(jump);
+ }
+#endif /* SUPPORT_UTF && !COMPILE_PCRE32 */
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE16
+if (common->utf)
+ {
+ if (max < 0xd800) return;
+
+ OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xd800);
+ jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1);
+ /* TMP2 contains the high surrogate. */
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x40);
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 10);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3ff);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ JUMPHERE(jump);
+ }
+#endif
+}
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+
+static BOOL is_char7_bitset(const sljit_u8 *bitset, BOOL nclass)
+{
+/* Tells whether the character codes below 128 are enough
+to determine a match. */
+const sljit_u8 value = nclass ? 0xff : 0;
+const sljit_u8 *end = bitset + 32;
+
+bitset += 16;
+do
+ {
+ if (*bitset++ != value)
+ return FALSE;
+ }
+while (bitset < end);
+return TRUE;
+}
+
+static void read_char7_type(compiler_common *common, BOOL full_read)
+{
+/* Reads the precise character type of a character into TMP1, if the character
+is less than 128. Otherwise it returns with zero. Does not check STR_END. The
+full_read argument tells whether characters above max are accepted or not. */
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+SLJIT_ASSERT(common->utf);
+
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0);
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
+
+if (full_read)
+ {
+ jump = CMP(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0xc0);
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+ JUMPHERE(jump);
+ }
+}
+
+#endif /* SUPPORT_UTF && COMPILE_PCRE8 */
+
+static void read_char_range(compiler_common *common, sljit_u32 min, sljit_u32 max, BOOL update_str_ptr)
+{
+/* Reads the precise value of a character into TMP1, if the character is
+between min and max (c >= min && c <= max). Otherwise it returns with a value
+outside the range. Does not check STR_END. */
+DEFINE_COMPILER;
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+struct sljit_jump *jump;
+#endif
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+struct sljit_jump *jump2;
+#endif
+
+SLJIT_UNUSED_ARG(update_str_ptr);
+SLJIT_UNUSED_ARG(min);
+SLJIT_UNUSED_ARG(max);
+SLJIT_ASSERT(min <= max);
+
+OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+if (common->utf)
+ {
+ if (max < 128 && !update_str_ptr) return;
+
+ jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
+ if (min >= 0x10000)
+ {
+ OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xf0);
+ if (update_str_ptr)
+ OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ jump2 = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0x7);
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+ OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(2));
+ if (!update_str_ptr)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(3));
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+ OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ JUMPHERE(jump2);
+ if (update_str_ptr)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, RETURN_ADDR, 0);
+ }
+ else if (min >= 0x800 && max <= 0xffff)
+ {
+ OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xe0);
+ if (update_str_ptr)
+ OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ jump2 = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xf);
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ if (!update_str_ptr)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+ OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ JUMPHERE(jump2);
+ if (update_str_ptr)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, RETURN_ADDR, 0);
+ }
+ else if (max >= 0x800)
+ add_jump(compiler, (max < 0x10000) ? &common->utfreadchar16 : &common->utfreadchar, JUMP(SLJIT_FAST_CALL));
+ else if (max < 128)
+ {
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+ }
+ else
+ {
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ if (!update_str_ptr)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ else
+ OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+ OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ if (update_str_ptr)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, RETURN_ADDR, 0);
+ }
+ JUMPHERE(jump);
+ }
+#endif
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE16
+if (common->utf)
+ {
+ if (max >= 0x10000)
+ {
+ OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xd800);
+ jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1);
+ /* TMP2 contains the high surrogate. */
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x40);
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 10);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3ff);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ JUMPHERE(jump);
+ return;
+ }
+
+ if (max < 0xd800 && !update_str_ptr) return;
+
+ /* Skip low surrogate if necessary. */
+ OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xd800);
+ jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1);
+ if (update_str_ptr)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ if (max >= 0xd800)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0x10000);
+ JUMPHERE(jump);
+ }
+#endif
+}
+
+static SLJIT_INLINE void read_char(compiler_common *common)
+{
+read_char_range(common, 0, READ_CHAR_MAX, TRUE);
+}
+
+static void read_char8_type(compiler_common *common, BOOL update_str_ptr)
+{
+/* Reads the character type into TMP1, updates STR_PTR. Does not check STR_END. */
+DEFINE_COMPILER;
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+struct sljit_jump *jump;
+#endif
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+struct sljit_jump *jump2;
+#endif
+
+SLJIT_UNUSED_ARG(update_str_ptr);
+
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0);
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+if (common->utf)
+ {
+ /* This can be an extra read in some situations, but hopefully
+ it is needed in most cases. */
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
+ jump = CMP(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0xc0);
+ if (!update_str_ptr)
+ {
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f);
+ OP2(SLJIT_OR, TMP2, 0, TMP2, 0, TMP1, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
+ jump2 = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 255);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
+ JUMPHERE(jump2);
+ }
+ else
+ add_jump(compiler, &common->utfreadtype8, JUMP(SLJIT_FAST_CALL));
+ JUMPHERE(jump);
+ return;
+ }
+#endif /* SUPPORT_UTF && COMPILE_PCRE8 */
+
+#if !defined COMPILE_PCRE8
+/* The ctypes array contains only 256 values. */
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
+jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 255);
+#endif
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
+#if !defined COMPILE_PCRE8
+JUMPHERE(jump);
+#endif
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE16
+if (common->utf && update_str_ptr)
+ {
+ /* Skip low surrogate if necessary. */
+ OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xd800);
+ jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ JUMPHERE(jump);
+ }
+#endif /* SUPPORT_UTF && COMPILE_PCRE16 */
+}
+
+static void skip_char_back(compiler_common *common)
+{
+/* Goes one character back. Affects STR_PTR and TMP1. Does not check begin. */
+DEFINE_COMPILER;
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+#if defined COMPILE_PCRE8
+struct sljit_label *label;
+
+if (common->utf)
+ {
+ label = LABEL();
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1));
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc0);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0x80, label);
+ return;
+ }
+#elif defined COMPILE_PCRE16
+if (common->utf)
+ {
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1));
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ /* Skip low surrogate if necessary. */
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xdc00);
+ OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ return;
+ }
+#endif /* COMPILE_PCRE[8|16] */
+#endif /* SUPPORT_UTF && !COMPILE_PCRE32 */
+OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+}
+
+static void check_newlinechar(compiler_common *common, int nltype, jump_list **backtracks, BOOL jumpifmatch)
+{
+/* Character comes in TMP1. Checks if it is a newline. TMP2 may be destroyed. */
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+if (nltype == NLTYPE_ANY)
+ {
+ add_jump(compiler, &common->anynewline, JUMP(SLJIT_FAST_CALL));
+ sljit_set_current_flags(compiler, SLJIT_SET_Z);
+ add_jump(compiler, backtracks, JUMP(jumpifmatch ? SLJIT_NOT_ZERO : SLJIT_ZERO));
+ }
+else if (nltype == NLTYPE_ANYCRLF)
+ {
+ if (jumpifmatch)
+ {
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR));
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_NL));
+ }
+ else
+ {
+ jump = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_NL));
+ JUMPHERE(jump);
+ }
+ }
+else
+ {
+ SLJIT_ASSERT(nltype == NLTYPE_FIXED && common->newline < 256);
+ add_jump(compiler, backtracks, CMP(jumpifmatch ? SLJIT_EQUAL : SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, common->newline));
+ }
+}
+
+#ifdef SUPPORT_UTF
+
+#if defined COMPILE_PCRE8
+static void do_utfreadchar(compiler_common *common)
+{
+/* Fast decoding a UTF-8 character. TMP1 contains the first byte
+of the character (>= 0xc0). Return char value in TMP1, length in TMP2. */
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+
+/* Searching for the first zero. */
+OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800);
+jump = JUMP(SLJIT_NOT_ZERO);
+/* Two byte sequence. */
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UCHARS(2));
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+
+JUMPHERE(jump);
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x800);
+OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+
+OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x10000);
+jump = JUMP(SLJIT_NOT_ZERO);
+/* Three byte sequence. */
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UCHARS(3));
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+
+/* Four byte sequence. */
+JUMPHERE(jump);
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(2));
+OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000);
+OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(3));
+OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UCHARS(4));
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+}
+
+static void do_utfreadchar16(compiler_common *common)
+{
+/* Fast decoding a UTF-8 character. TMP1 contains the first byte
+of the character (>= 0xc0). Return value in TMP1. */
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+
+/* Searching for the first zero. */
+OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800);
+jump = JUMP(SLJIT_NOT_ZERO);
+/* Two byte sequence. */
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+
+JUMPHERE(jump);
+OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x400);
+OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_NOT_ZERO);
+/* This code runs only in 8 bit mode. No need to shift the value. */
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x800);
+OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6);
+OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+/* Three byte sequence. */
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+}
+
+static void do_utfreadtype8(compiler_common *common)
+{
+/* Fast decoding a UTF-8 character type. TMP2 contains the first byte
+of the character (>= 0xc0). Return value in TMP1. */
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+struct sljit_jump *compare;
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+
+OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0x20);
+jump = JUMP(SLJIT_NOT_ZERO);
+/* Two byte sequence. */
+OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x1f);
+/* The upper 5 bits are known at this point. */
+compare = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0x3);
+OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6);
+OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f);
+OP2(SLJIT_OR, TMP2, 0, TMP2, 0, TMP1, 0);
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+
+JUMPHERE(compare);
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+
+/* We only have types for characters less than 256. */
+JUMPHERE(jump);
+OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+}
+
+#endif /* COMPILE_PCRE8 */
+
+#endif /* SUPPORT_UTF */
+
+#ifdef SUPPORT_UCP
+
+/* UCD_BLOCK_SIZE must be 128 (see the assert below). */
+#define UCD_BLOCK_MASK 127
+#define UCD_BLOCK_SHIFT 7
+
+static void do_getucd(compiler_common *common)
+{
+/* Search the UCD record for the character comes in TMP1.
+Returns chartype in TMP1 and UCD offset in TMP2. */
+DEFINE_COMPILER;
+#ifdef COMPILE_PCRE32
+struct sljit_jump *jump;
+#endif
+
+#if defined SLJIT_DEBUG && SLJIT_DEBUG
+/* dummy_ucd_record */
+const ucd_record *record = GET_UCD(INVALID_UTF_CHAR);
+SLJIT_ASSERT(record->script == ucp_Common && record->chartype == ucp_Cn && record->gbprop == ucp_gbOther);
+SLJIT_ASSERT(record->caseset == 0 && record->other_case == 0);
+#endif
+
+SLJIT_ASSERT(UCD_BLOCK_SIZE == 128 && sizeof(ucd_record) == 8);
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+
+#ifdef COMPILE_PCRE32
+if (!common->utf)
+ {
+ jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x10ffff + 1);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR);
+ JUMPHERE(jump);
+ }
+#endif
+
+OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
+OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_stage1));
+OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_MASK);
+OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
+OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0);
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_stage2));
+OP1(SLJIT_MOV_U16, TMP2, 0, SLJIT_MEM2(TMP2, TMP1), 1);
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3);
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+}
+#endif
+
+static SLJIT_INLINE struct sljit_label *mainloop_entry(compiler_common *common, BOOL hascrorlf)
+{
+DEFINE_COMPILER;
+struct sljit_label *mainloop;
+struct sljit_label *newlinelabel = NULL;
+struct sljit_jump *start;
+struct sljit_jump *end = NULL;
+struct sljit_jump *end2 = NULL;
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+struct sljit_jump *singlechar;
+#endif
+jump_list *newline = NULL;
+BOOL newlinecheck = FALSE;
+BOOL readuchar = FALSE;
+
+if (!(hascrorlf || (common->match_end_ptr != 0)) &&
+ (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF || common->newline > 255))
+ newlinecheck = TRUE;
+
+if (common->match_end_ptr != 0)
+ {
+ /* Search for the end of the first line. */
+ OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0);
+
+ if (common->nltype == NLTYPE_FIXED && common->newline > 255)
+ {
+ mainloop = LABEL();
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ end = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff, mainloop);
+ CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff, mainloop);
+ JUMPHERE(end);
+ OP2(SLJIT_SUB, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ }
+ else
+ {
+ end = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ mainloop = LABEL();
+ /* Continual stores does not cause data dependency. */
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr, STR_PTR, 0);
+ read_char_range(common, common->nlmin, common->nlmax, TRUE);
+ check_newlinechar(common, common->nltype, &newline, TRUE);
+ CMPTO(SLJIT_LESS, STR_PTR, 0, STR_END, 0, mainloop);
+ JUMPHERE(end);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr, STR_PTR, 0);
+ set_jumps(newline, LABEL());
+ }
+
+ OP1(SLJIT_MOV, STR_PTR, 0, TMP3, 0);
+ }
+
+start = JUMP(SLJIT_JUMP);
+
+if (newlinecheck)
+ {
+ newlinelabel = LABEL();
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ end = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, common->newline & 0xff);
+ OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL);
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT);
+#endif
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ end2 = JUMP(SLJIT_JUMP);
+ }
+
+mainloop = LABEL();
+
+/* Increasing the STR_PTR here requires one less jump in the most common case. */
+#ifdef SUPPORT_UTF
+if (common->utf) readuchar = TRUE;
+#endif
+if (newlinecheck) readuchar = TRUE;
+
+if (readuchar)
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+
+if (newlinecheck)
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff, newlinelabel);
+
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+#if defined COMPILE_PCRE8
+if (common->utf)
+ {
+ singlechar = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ JUMPHERE(singlechar);
+ }
+#elif defined COMPILE_PCRE16
+if (common->utf)
+ {
+ singlechar = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xd800);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);
+ OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ JUMPHERE(singlechar);
+ }
+#endif /* COMPILE_PCRE[8|16] */
+#endif /* SUPPORT_UTF && !COMPILE_PCRE32 */
+JUMPHERE(start);
+
+if (newlinecheck)
+ {
+ JUMPHERE(end);
+ JUMPHERE(end2);
+ }
+
+return mainloop;
+}
+
+#define MAX_N_CHARS 16
+#define MAX_DIFF_CHARS 6
+
+static SLJIT_INLINE void add_prefix_char(pcre_uchar chr, pcre_uchar *chars)
+{
+pcre_uchar i, len;
+
+len = chars[0];
+if (len == 255)
+ return;
+
+if (len == 0)
+ {
+ chars[0] = 1;
+ chars[1] = chr;
+ return;
+ }
+
+for (i = len; i > 0; i--)
+ if (chars[i] == chr)
+ return;
+
+if (len >= MAX_DIFF_CHARS - 1)
+ {
+ chars[0] = 255;
+ return;
+ }
+
+len++;
+chars[len] = chr;
+chars[0] = len;
+}
+
+static int scan_prefix(compiler_common *common, pcre_uchar *cc, pcre_uchar *chars, int max_chars, sljit_u32 *rec_count)
+{
+/* Recursive function, which scans prefix literals. */
+BOOL last, any, class, caseless;
+int len, repeat, len_save, consumed = 0;
+sljit_u32 chr; /* Any unicode character. */
+sljit_u8 *bytes, *bytes_end, byte;
+pcre_uchar *alternative, *cc_save, *oc;
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+pcre_uchar othercase[8];
+#elif defined SUPPORT_UTF && defined COMPILE_PCRE16
+pcre_uchar othercase[2];
+#else
+pcre_uchar othercase[1];
+#endif
+
+repeat = 1;
+while (TRUE)
+ {
+ if (*rec_count == 0)
+ return 0;
+ (*rec_count)--;
+
+ last = TRUE;
+ any = FALSE;
+ class = FALSE;
+ caseless = FALSE;
+
+ switch (*cc)
+ {
+ case OP_CHARI:
+ caseless = TRUE;
+ case OP_CHAR:
+ last = FALSE;
+ cc++;
+ break;
+
+ case OP_SOD:
+ case OP_SOM:
+ case OP_SET_SOM:
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ case OP_EODN:
+ case OP_EOD:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_DOLL:
+ case OP_DOLLM:
+ /* Zero width assertions. */
+ cc++;
+ continue;
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ cc = bracketend(cc);
+ continue;
+
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_POSPLUSI:
+ caseless = TRUE;
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_POSPLUS:
+ cc++;
+ break;
+
+ case OP_EXACTI:
+ caseless = TRUE;
+ case OP_EXACT:
+ repeat = GET2(cc, 1);
+ last = FALSE;
+ cc += 1 + IMM2_SIZE;
+ break;
+
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_POSQUERYI:
+ caseless = TRUE;
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_POSQUERY:
+ len = 1;
+ cc++;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(*cc)) len += GET_EXTRALEN(*cc);
+#endif
+ max_chars = scan_prefix(common, cc + len, chars, max_chars, rec_count);
+ if (max_chars == 0)
+ return consumed;
+ last = FALSE;
+ break;
+
+ case OP_KET:
+ cc += 1 + LINK_SIZE;
+ continue;
+
+ case OP_ALT:
+ cc += GET(cc, 1);
+ continue;
+
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRA:
+ case OP_BRAPOS:
+ case OP_CBRA:
+ case OP_CBRAPOS:
+ alternative = cc + GET(cc, 1);
+ while (*alternative == OP_ALT)
+ {
+ max_chars = scan_prefix(common, alternative + 1 + LINK_SIZE, chars, max_chars, rec_count);
+ if (max_chars == 0)
+ return consumed;
+ alternative += GET(alternative, 1);
+ }
+
+ if (*cc == OP_CBRA || *cc == OP_CBRAPOS)
+ cc += IMM2_SIZE;
+ cc += 1 + LINK_SIZE;
+ continue;
+
+ case OP_CLASS:
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (common->utf && !is_char7_bitset((const sljit_u8 *)(cc + 1), FALSE))
+ return consumed;
+#endif
+ class = TRUE;
+ break;
+
+ case OP_NCLASS:
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (common->utf) return consumed;
+#endif
+ class = TRUE;
+ break;
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (common->utf) return consumed;
+#endif
+ any = TRUE;
+ cc += GET(cc, 1);
+ break;
+#endif
+
+ case OP_DIGIT:
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (common->utf && !is_char7_bitset((const sljit_u8 *)common->ctypes - cbit_length + cbit_digit, FALSE))
+ return consumed;
+#endif
+ any = TRUE;
+ cc++;
+ break;
+
+ case OP_WHITESPACE:
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (common->utf && !is_char7_bitset((const sljit_u8 *)common->ctypes - cbit_length + cbit_space, FALSE))
+ return consumed;
+#endif
+ any = TRUE;
+ cc++;
+ break;
+
+ case OP_WORDCHAR:
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (common->utf && !is_char7_bitset((const sljit_u8 *)common->ctypes - cbit_length + cbit_word, FALSE))
+ return consumed;
+#endif
+ any = TRUE;
+ cc++;
+ break;
+
+ case OP_NOT:
+ case OP_NOTI:
+ cc++;
+ /* Fall through. */
+ case OP_NOT_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_ANY:
+ case OP_ALLANY:
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (common->utf) return consumed;
+#endif
+ any = TRUE;
+ cc++;
+ break;
+
+#ifdef SUPPORT_UTF
+ case OP_NOTPROP:
+ case OP_PROP:
+#ifndef COMPILE_PCRE32
+ if (common->utf) return consumed;
+#endif
+ any = TRUE;
+ cc += 1 + 2;
+ break;
+#endif
+
+ case OP_TYPEEXACT:
+ repeat = GET2(cc, 1);
+ cc += 1 + IMM2_SIZE;
+ continue;
+
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (common->utf) return consumed;
+#endif
+ any = TRUE;
+ repeat = GET2(cc, 1);
+ cc += 1 + IMM2_SIZE + 1;
+ break;
+
+ default:
+ return consumed;
+ }
+
+ if (any)
+ {
+ do
+ {
+ chars[0] = 255;
+
+ consumed++;
+ if (--max_chars == 0)
+ return consumed;
+ chars += MAX_DIFF_CHARS;
+ }
+ while (--repeat > 0);
+
+ repeat = 1;
+ continue;
+ }
+
+ if (class)
+ {
+ bytes = (sljit_u8*) (cc + 1);
+ cc += 1 + 32 / sizeof(pcre_uchar);
+
+ switch (*cc)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPOSSTAR:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSQUERY:
+ max_chars = scan_prefix(common, cc + 1, chars, max_chars, rec_count);
+ if (max_chars == 0)
+ return consumed;
+ break;
+
+ default:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRPOSPLUS:
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ repeat = GET2(cc, 1);
+ if (repeat <= 0)
+ return consumed;
+ break;
+ }
+
+ do
+ {
+ if (bytes[31] & 0x80)
+ chars[0] = 255;
+ else if (chars[0] != 255)
+ {
+ bytes_end = bytes + 32;
+ chr = 0;
+ do
+ {
+ byte = *bytes++;
+ SLJIT_ASSERT((chr & 0x7) == 0);
+ if (byte == 0)
+ chr += 8;
+ else
+ {
+ do
+ {
+ if ((byte & 0x1) != 0)
+ add_prefix_char(chr, chars);
+ byte >>= 1;
+ chr++;
+ }
+ while (byte != 0);
+ chr = (chr + 7) & ~7;
+ }
+ }
+ while (chars[0] != 255 && bytes < bytes_end);
+ bytes = bytes_end - 32;
+ }
+
+ consumed++;
+ if (--max_chars == 0)
+ return consumed;
+ chars += MAX_DIFF_CHARS;
+ }
+ while (--repeat > 0);
+
+ switch (*cc)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPOSSTAR:
+ return consumed;
+
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSQUERY:
+ cc++;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ if (GET2(cc, 1) != GET2(cc, 1 + IMM2_SIZE))
+ return consumed;
+ cc += 1 + 2 * IMM2_SIZE;
+ break;
+ }
+
+ repeat = 1;
+ continue;
+ }
+
+ len = 1;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(*cc)) len += GET_EXTRALEN(*cc);
+#endif
+
+ if (caseless && char_has_othercase(common, cc))
+ {
+#ifdef SUPPORT_UTF
+ if (common->utf)
+ {
+ GETCHAR(chr, cc);
+ if ((int)PRIV(ord2utf)(char_othercase(common, chr), othercase) != len)
+ return consumed;
+ }
+ else
+#endif
+ {
+ chr = *cc;
+ othercase[0] = TABLE_GET(chr, common->fcc, chr);
+ }
+ }
+ else
+ {
+ caseless = FALSE;
+ othercase[0] = 0; /* Stops compiler warning - PH */
+ }
+
+ len_save = len;
+ cc_save = cc;
+ while (TRUE)
+ {
+ oc = othercase;
+ do
+ {
+ chr = *cc;
+ add_prefix_char(*cc, chars);
+
+ if (caseless)
+ add_prefix_char(*oc, chars);
+
+ len--;
+ consumed++;
+ if (--max_chars == 0)
+ return consumed;
+ chars += MAX_DIFF_CHARS;
+ cc++;
+ oc++;
+ }
+ while (len > 0);
+
+ if (--repeat == 0)
+ break;
+
+ len = len_save;
+ cc = cc_save;
+ }
+
+ repeat = 1;
+ if (last)
+ return consumed;
+ }
+}
+
+#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) && !(defined SUPPORT_VALGRIND)
+
+static sljit_s32 character_to_int32(pcre_uchar chr)
+{
+sljit_s32 value = (sljit_s32)chr;
+#if defined COMPILE_PCRE8
+#define SSE2_COMPARE_TYPE_INDEX 0
+return (value << 24) | (value << 16) | (value << 8) | value;
+#elif defined COMPILE_PCRE16
+#define SSE2_COMPARE_TYPE_INDEX 1
+return (value << 16) | value;
+#elif defined COMPILE_PCRE32
+#define SSE2_COMPARE_TYPE_INDEX 2
+return value;
+#else
+#error "Unsupported unit width"
+#endif
+}
+
+static SLJIT_INLINE void fast_forward_first_char2_sse2(compiler_common *common, pcre_uchar char1, pcre_uchar char2)
+{
+DEFINE_COMPILER;
+struct sljit_label *start;
+struct sljit_jump *quit[3];
+struct sljit_jump *nomatch;
+sljit_u8 instruction[8];
+sljit_s32 tmp1_ind = sljit_get_register_index(TMP1);
+sljit_s32 tmp2_ind = sljit_get_register_index(TMP2);
+sljit_s32 str_ptr_ind = sljit_get_register_index(STR_PTR);
+BOOL load_twice = FALSE;
+pcre_uchar bit;
+
+bit = char1 ^ char2;
+if (!is_powerof2(bit))
+ bit = 0;
+
+if ((char1 != char2) && bit == 0)
+ load_twice = TRUE;
+
+quit[0] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+
+/* First part (unaligned start) */
+
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, character_to_int32(char1 | bit));
+
+SLJIT_ASSERT(tmp1_ind < 8 && tmp2_ind == 1);
+
+/* MOVD xmm, r/m32 */
+instruction[0] = 0x66;
+instruction[1] = 0x0f;
+instruction[2] = 0x6e;
+instruction[3] = 0xc0 | (2 << 3) | tmp1_ind;
+sljit_emit_op_custom(compiler, instruction, 4);
+
+if (char1 != char2)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, character_to_int32(bit != 0 ? bit : char2));
+
+ /* MOVD xmm, r/m32 */
+ instruction[3] = 0xc0 | (3 << 3) | tmp1_ind;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+
+/* PSHUFD xmm1, xmm2/m128, imm8 */
+instruction[2] = 0x70;
+instruction[3] = 0xc0 | (2 << 3) | 2;
+instruction[4] = 0;
+sljit_emit_op_custom(compiler, instruction, 5);
+
+if (char1 != char2)
+ {
+ /* PSHUFD xmm1, xmm2/m128, imm8 */
+ instruction[3] = 0xc0 | (3 << 3) | 3;
+ instruction[4] = 0;
+ sljit_emit_op_custom(compiler, instruction, 5);
+ }
+
+OP2(SLJIT_AND, TMP2, 0, STR_PTR, 0, SLJIT_IMM, 0xf);
+OP2(SLJIT_AND, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, ~0xf);
+
+/* MOVDQA xmm1, xmm2/m128 */
+#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
+
+if (str_ptr_ind < 8)
+ {
+ instruction[2] = 0x6f;
+ instruction[3] = (0 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 4);
+
+ if (load_twice)
+ {
+ instruction[3] = (1 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+ }
+else
+ {
+ instruction[1] = 0x41;
+ instruction[2] = 0x0f;
+ instruction[3] = 0x6f;
+ instruction[4] = (0 << 3) | (str_ptr_ind & 0x7);
+ sljit_emit_op_custom(compiler, instruction, 5);
+
+ if (load_twice)
+ {
+ instruction[4] = (1 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 5);
+ }
+ instruction[1] = 0x0f;
+ }
+
+#else
+
+instruction[2] = 0x6f;
+instruction[3] = (0 << 3) | str_ptr_ind;
+sljit_emit_op_custom(compiler, instruction, 4);
+
+if (load_twice)
+ {
+ instruction[3] = (1 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+
+#endif
+
+if (bit != 0)
+ {
+ /* POR xmm1, xmm2/m128 */
+ instruction[2] = 0xeb;
+ instruction[3] = 0xc0 | (0 << 3) | 3;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+
+/* PCMPEQB/W/D xmm1, xmm2/m128 */
+instruction[2] = 0x74 + SSE2_COMPARE_TYPE_INDEX;
+instruction[3] = 0xc0 | (0 << 3) | 2;
+sljit_emit_op_custom(compiler, instruction, 4);
+
+if (load_twice)
+ {
+ instruction[3] = 0xc0 | (1 << 3) | 3;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+
+/* PMOVMSKB reg, xmm */
+instruction[2] = 0xd7;
+instruction[3] = 0xc0 | (tmp1_ind << 3) | 0;
+sljit_emit_op_custom(compiler, instruction, 4);
+
+if (load_twice)
+ {
+ OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP2, 0);
+ instruction[3] = 0xc0 | (tmp2_ind << 3) | 1;
+ sljit_emit_op_custom(compiler, instruction, 4);
+
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ OP1(SLJIT_MOV, TMP2, 0, RETURN_ADDR, 0);
+ }
+
+OP2(SLJIT_ASHR, TMP1, 0, TMP1, 0, TMP2, 0);
+
+/* BSF r32, r/m32 */
+instruction[0] = 0x0f;
+instruction[1] = 0xbc;
+instruction[2] = 0xc0 | (tmp1_ind << 3) | tmp1_ind;
+sljit_emit_op_custom(compiler, instruction, 3);
+sljit_set_current_flags(compiler, SLJIT_SET_Z);
+
+nomatch = JUMP(SLJIT_ZERO);
+
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+quit[1] = JUMP(SLJIT_JUMP);
+
+JUMPHERE(nomatch);
+
+start = LABEL();
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, 16);
+quit[2] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+
+/* Second part (aligned) */
+
+instruction[0] = 0x66;
+instruction[1] = 0x0f;
+
+/* MOVDQA xmm1, xmm2/m128 */
+#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
+
+if (str_ptr_ind < 8)
+ {
+ instruction[2] = 0x6f;
+ instruction[3] = (0 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 4);
+
+ if (load_twice)
+ {
+ instruction[3] = (1 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+ }
+else
+ {
+ instruction[1] = 0x41;
+ instruction[2] = 0x0f;
+ instruction[3] = 0x6f;
+ instruction[4] = (0 << 3) | (str_ptr_ind & 0x7);
+ sljit_emit_op_custom(compiler, instruction, 5);
+
+ if (load_twice)
+ {
+ instruction[4] = (1 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 5);
+ }
+ instruction[1] = 0x0f;
+ }
+
+#else
+
+instruction[2] = 0x6f;
+instruction[3] = (0 << 3) | str_ptr_ind;
+sljit_emit_op_custom(compiler, instruction, 4);
+
+if (load_twice)
+ {
+ instruction[3] = (1 << 3) | str_ptr_ind;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+
+#endif
+
+if (bit != 0)
+ {
+ /* POR xmm1, xmm2/m128 */
+ instruction[2] = 0xeb;
+ instruction[3] = 0xc0 | (0 << 3) | 3;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+
+/* PCMPEQB/W/D xmm1, xmm2/m128 */
+instruction[2] = 0x74 + SSE2_COMPARE_TYPE_INDEX;
+instruction[3] = 0xc0 | (0 << 3) | 2;
+sljit_emit_op_custom(compiler, instruction, 4);
+
+if (load_twice)
+ {
+ instruction[3] = 0xc0 | (1 << 3) | 3;
+ sljit_emit_op_custom(compiler, instruction, 4);
+ }
+
+/* PMOVMSKB reg, xmm */
+instruction[2] = 0xd7;
+instruction[3] = 0xc0 | (tmp1_ind << 3) | 0;
+sljit_emit_op_custom(compiler, instruction, 4);
+
+if (load_twice)
+ {
+ instruction[3] = 0xc0 | (tmp2_ind << 3) | 1;
+ sljit_emit_op_custom(compiler, instruction, 4);
+
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0);
+ }
+
+/* BSF r32, r/m32 */
+instruction[0] = 0x0f;
+instruction[1] = 0xbc;
+instruction[2] = 0xc0 | (tmp1_ind << 3) | tmp1_ind;
+sljit_emit_op_custom(compiler, instruction, 3);
+sljit_set_current_flags(compiler, SLJIT_SET_Z);
+
+JUMPTO(SLJIT_ZERO, start);
+
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+
+start = LABEL();
+SET_LABEL(quit[0], start);
+SET_LABEL(quit[1], start);
+SET_LABEL(quit[2], start);
+}
+
+#undef SSE2_COMPARE_TYPE_INDEX
+
+#endif
+
+static void fast_forward_first_char2(compiler_common *common, pcre_uchar char1, pcre_uchar char2, sljit_s32 offset)
+{
+DEFINE_COMPILER;
+struct sljit_label *start;
+struct sljit_jump *quit;
+struct sljit_jump *found;
+pcre_uchar mask;
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+struct sljit_label *utf_start = NULL;
+struct sljit_jump *utf_quit = NULL;
+#endif
+BOOL has_match_end = (common->match_end_ptr != 0);
+
+if (offset > 0)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(offset));
+
+if (has_match_end)
+ {
+ OP1(SLJIT_MOV, TMP3, 0, STR_END, 0);
+
+ OP2(SLJIT_ADD, STR_END, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr, SLJIT_IMM, IN_UCHARS(offset + 1));
+ OP2(SLJIT_SUB | SLJIT_SET_GREATER, SLJIT_UNUSED, 0, STR_END, 0, TMP3, 0);
+ sljit_emit_cmov(compiler, SLJIT_GREATER, STR_END, TMP3, 0);
+ }
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+if (common->utf && offset > 0)
+ utf_start = LABEL();
+#endif
+
+#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) && !(defined SUPPORT_VALGRIND)
+
+/* SSE2 accelerated first character search. */
+
+if (sljit_has_cpu_feature(SLJIT_HAS_SSE2))
+ {
+ fast_forward_first_char2_sse2(common, char1, char2);
+
+ SLJIT_ASSERT(common->mode == JIT_COMPILE || offset == 0);
+ if (common->mode == JIT_COMPILE)
+ {
+ /* In complete mode, we don't need to run a match when STR_PTR == STR_END. */
+ SLJIT_ASSERT(common->forced_quit_label == NULL);
+ OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_NOMATCH);
+ add_jump(compiler, &common->forced_quit, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (common->utf && offset > 0)
+ {
+ SLJIT_ASSERT(common->mode == JIT_COMPILE);
+
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-offset));
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+#if defined COMPILE_PCRE8
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc0);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0x80, utf_start);
+#elif defined COMPILE_PCRE16
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0xdc00, utf_start);
+#else
+#error "Unknown code width"
+#endif
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ }
+#endif
+
+ if (offset > 0)
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(offset));
+ }
+ else
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, STR_PTR, 0, STR_END, 0);
+ if (has_match_end)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
+ sljit_emit_cmov(compiler, SLJIT_GREATER_EQUAL, STR_PTR, TMP1, 0);
+ }
+ else
+ sljit_emit_cmov(compiler, SLJIT_GREATER_EQUAL, STR_PTR, STR_END, 0);
+ }
+
+ if (has_match_end)
+ OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
+ return;
+ }
+
+#endif
+
+quit = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+
+start = LABEL();
+OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+
+if (char1 == char2)
+ found = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, char1);
+else
+ {
+ mask = char1 ^ char2;
+ if (is_powerof2(mask))
+ {
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, mask);
+ found = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, char1 | mask);
+ }
+ else
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, char1);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, char2);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_EQUAL);
+ found = JUMP(SLJIT_NOT_ZERO);
+ }
+ }
+
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+CMPTO(SLJIT_LESS, STR_PTR, 0, STR_END, 0, start);
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+if (common->utf && offset > 0)
+ utf_quit = JUMP(SLJIT_JUMP);
+#endif
+
+JUMPHERE(found);
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+if (common->utf && offset > 0)
+ {
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-offset));
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+#if defined COMPILE_PCRE8
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc0);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0x80, utf_start);
+#elif defined COMPILE_PCRE16
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0xdc00, utf_start);
+#else
+#error "Unknown code width"
+#endif
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ JUMPHERE(utf_quit);
+ }
+#endif
+
+JUMPHERE(quit);
+
+if (has_match_end)
+ {
+ quit = CMP(SLJIT_LESS, STR_PTR, 0, STR_END, 0);
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
+ if (offset > 0)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(offset));
+ JUMPHERE(quit);
+ OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
+ }
+
+if (offset > 0)
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(offset));
+}
+
+static SLJIT_INLINE BOOL fast_forward_first_n_chars(compiler_common *common)
+{
+DEFINE_COMPILER;
+struct sljit_label *start;
+struct sljit_jump *quit;
+struct sljit_jump *match;
+/* bytes[0] represent the number of characters between 0
+and MAX_N_BYTES - 1, 255 represents any character. */
+pcre_uchar chars[MAX_N_CHARS * MAX_DIFF_CHARS];
+sljit_s32 offset;
+pcre_uchar mask;
+pcre_uchar *char_set, *char_set_end;
+int i, max, from;
+int range_right = -1, range_len;
+sljit_u8 *update_table = NULL;
+BOOL in_range;
+sljit_u32 rec_count;
+
+for (i = 0; i < MAX_N_CHARS; i++)
+ chars[i * MAX_DIFF_CHARS] = 0;
+
+rec_count = 10000;
+max = scan_prefix(common, common->start, chars, MAX_N_CHARS, &rec_count);
+
+if (max < 1)
+ return FALSE;
+
+in_range = FALSE;
+/* Prevent compiler "uninitialized" warning */
+from = 0;
+range_len = 4 /* minimum length */ - 1;
+for (i = 0; i <= max; i++)
+ {
+ if (in_range && (i - from) > range_len && (chars[(i - 1) * MAX_DIFF_CHARS] < 255))
+ {
+ range_len = i - from;
+ range_right = i - 1;
+ }
+
+ if (i < max && chars[i * MAX_DIFF_CHARS] < 255)
+ {
+ SLJIT_ASSERT(chars[i * MAX_DIFF_CHARS] > 0);
+ if (!in_range)
+ {
+ in_range = TRUE;
+ from = i;
+ }
+ }
+ else
+ in_range = FALSE;
+ }
+
+if (range_right >= 0)
+ {
+ update_table = (sljit_u8 *)allocate_read_only_data(common, 256);
+ if (update_table == NULL)
+ return TRUE;
+ memset(update_table, IN_UCHARS(range_len), 256);
+
+ for (i = 0; i < range_len; i++)
+ {
+ char_set = chars + ((range_right - i) * MAX_DIFF_CHARS);
+ SLJIT_ASSERT(char_set[0] > 0 && char_set[0] < 255);
+ char_set_end = char_set + char_set[0];
+ char_set++;
+ while (char_set <= char_set_end)
+ {
+ if (update_table[(*char_set) & 0xff] > IN_UCHARS(i))
+ update_table[(*char_set) & 0xff] = IN_UCHARS(i);
+ char_set++;
+ }
+ }
+ }
+
+offset = -1;
+/* Scan forward. */
+for (i = 0; i < max; i++)
+ {
+ if (offset == -1)
+ {
+ if (chars[i * MAX_DIFF_CHARS] <= 2)
+ offset = i;
+ }
+ else if (chars[offset * MAX_DIFF_CHARS] == 2 && chars[i * MAX_DIFF_CHARS] <= 2)
+ {
+ if (chars[i * MAX_DIFF_CHARS] == 1)
+ offset = i;
+ else
+ {
+ mask = chars[offset * MAX_DIFF_CHARS + 1] ^ chars[offset * MAX_DIFF_CHARS + 2];
+ if (!is_powerof2(mask))
+ {
+ mask = chars[i * MAX_DIFF_CHARS + 1] ^ chars[i * MAX_DIFF_CHARS + 2];
+ if (is_powerof2(mask))
+ offset = i;
+ }
+ }
+ }
+ }
+
+if (range_right < 0)
+ {
+ if (offset < 0)
+ return FALSE;
+ SLJIT_ASSERT(chars[offset * MAX_DIFF_CHARS] >= 1 && chars[offset * MAX_DIFF_CHARS] <= 2);
+ /* Works regardless the value is 1 or 2. */
+ mask = chars[offset * MAX_DIFF_CHARS + chars[offset * MAX_DIFF_CHARS]];
+ fast_forward_first_char2(common, chars[offset * MAX_DIFF_CHARS + 1], mask, offset);
+ return TRUE;
+ }
+
+if (range_right == offset)
+ offset = -1;
+
+SLJIT_ASSERT(offset == -1 || (chars[offset * MAX_DIFF_CHARS] >= 1 && chars[offset * MAX_DIFF_CHARS] <= 2));
+
+max -= 1;
+SLJIT_ASSERT(max > 0);
+if (common->match_end_ptr != 0)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
+ OP1(SLJIT_MOV, TMP3, 0, STR_END, 0);
+ OP2(SLJIT_SUB, STR_END, 0, STR_END, 0, SLJIT_IMM, IN_UCHARS(max));
+ quit = CMP(SLJIT_LESS_EQUAL, STR_END, 0, TMP1, 0);
+ OP1(SLJIT_MOV, STR_END, 0, TMP1, 0);
+ JUMPHERE(quit);
+ }
+else
+ OP2(SLJIT_SUB, STR_END, 0, STR_END, 0, SLJIT_IMM, IN_UCHARS(max));
+
+SLJIT_ASSERT(range_right >= 0);
+
+#if !(defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
+OP1(SLJIT_MOV, RETURN_ADDR, 0, SLJIT_IMM, (sljit_sw)update_table);
+#endif
+
+start = LABEL();
+quit = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+
+#if defined COMPILE_PCRE8 || (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(range_right));
+#else
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(range_right + 1) - 1);
+#endif
+
+#if !(defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(RETURN_ADDR, TMP1), 0);
+#else
+OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)update_table);
+#endif
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, 0, start);
+
+if (offset >= 0)
+ {
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(offset));
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+ if (chars[offset * MAX_DIFF_CHARS] == 1)
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, chars[offset * MAX_DIFF_CHARS + 1], start);
+ else
+ {
+ mask = chars[offset * MAX_DIFF_CHARS + 1] ^ chars[offset * MAX_DIFF_CHARS + 2];
+ if (is_powerof2(mask))
+ {
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, mask);
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, chars[offset * MAX_DIFF_CHARS + 1] | mask, start);
+ }
+ else
+ {
+ match = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, chars[offset * MAX_DIFF_CHARS + 1]);
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, chars[offset * MAX_DIFF_CHARS + 2], start);
+ JUMPHERE(match);
+ }
+ }
+ }
+
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+if (common->utf && offset != 0)
+ {
+ if (offset < 0)
+ {
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ }
+ else
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
+#if defined COMPILE_PCRE8
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc0);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0x80, start);
+#elif defined COMPILE_PCRE16
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0xdc00, start);
+#else
+#error "Unknown code width"
+#endif
+ if (offset < 0)
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ }
+#endif
+
+if (offset >= 0)
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+JUMPHERE(quit);
+
+if (common->match_end_ptr != 0)
+ {
+ if (range_right >= 0)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
+ OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
+ if (range_right >= 0)
+ {
+ quit = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP1, 0);
+ OP1(SLJIT_MOV, STR_PTR, 0, TMP1, 0);
+ JUMPHERE(quit);
+ }
+ }
+else
+ OP2(SLJIT_ADD, STR_END, 0, STR_END, 0, SLJIT_IMM, IN_UCHARS(max));
+return TRUE;
+}
+
+#undef MAX_N_CHARS
+#undef MAX_DIFF_CHARS
+
+static SLJIT_INLINE void fast_forward_first_char(compiler_common *common, pcre_uchar first_char, BOOL caseless)
+{
+pcre_uchar oc;
+
+oc = first_char;
+if (caseless)
+ {
+ oc = TABLE_GET(first_char, common->fcc, first_char);
+#if defined SUPPORT_UCP && !defined COMPILE_PCRE8
+ if (first_char > 127 && common->utf)
+ oc = UCD_OTHERCASE(first_char);
+#endif
+ }
+
+fast_forward_first_char2(common, first_char, oc, 0);
+}
+
+static SLJIT_INLINE void fast_forward_newline(compiler_common *common)
+{
+DEFINE_COMPILER;
+struct sljit_label *loop;
+struct sljit_jump *lastchar;
+struct sljit_jump *firstchar;
+struct sljit_jump *quit;
+struct sljit_jump *foundcr = NULL;
+struct sljit_jump *notfoundnl;
+jump_list *newline = NULL;
+
+if (common->match_end_ptr != 0)
+ {
+ OP1(SLJIT_MOV, TMP3, 0, STR_END, 0);
+ OP1(SLJIT_MOV, STR_END, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
+ }
+
+if (common->nltype == NLTYPE_FIXED && common->newline > 255)
+ {
+ lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
+ firstchar = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0);
+
+ OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(2));
+ OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, STR_PTR, 0, TMP1, 0);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_GREATER_EQUAL);
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCHAR_SHIFT);
+#endif
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+
+ loop = LABEL();
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ quit = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2));
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff, loop);
+ CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff, loop);
+
+ JUMPHERE(quit);
+ JUMPHERE(firstchar);
+ JUMPHERE(lastchar);
+
+ if (common->match_end_ptr != 0)
+ OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
+ return;
+ }
+
+OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
+firstchar = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0);
+skip_char_back(common);
+
+loop = LABEL();
+common->ff_newline_shortcut = loop;
+
+read_char_range(common, common->nlmin, common->nlmax, TRUE);
+lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+if (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF)
+ foundcr = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
+check_newlinechar(common, common->nltype, &newline, FALSE);
+set_jumps(newline, loop);
+
+if (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF)
+ {
+ quit = JUMP(SLJIT_JUMP);
+ JUMPHERE(foundcr);
+ notfoundnl = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_NL);
+ OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL);
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT);
+#endif
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ JUMPHERE(notfoundnl);
+ JUMPHERE(quit);
+ }
+JUMPHERE(lastchar);
+JUMPHERE(firstchar);
+
+if (common->match_end_ptr != 0)
+ OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
+}
+
+static BOOL check_class_ranges(compiler_common *common, const sljit_u8 *bits, BOOL nclass, BOOL invert, jump_list **backtracks);
+
+static SLJIT_INLINE void fast_forward_start_bits(compiler_common *common, const sljit_u8 *start_bits)
+{
+DEFINE_COMPILER;
+struct sljit_label *start;
+struct sljit_jump *quit;
+struct sljit_jump *found = NULL;
+jump_list *matches = NULL;
+#ifndef COMPILE_PCRE8
+struct sljit_jump *jump;
+#endif
+
+if (common->match_end_ptr != 0)
+ {
+ OP1(SLJIT_MOV, RETURN_ADDR, 0, STR_END, 0);
+ OP1(SLJIT_MOV, STR_END, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
+ }
+
+start = LABEL();
+quit = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+#ifdef SUPPORT_UTF
+if (common->utf)
+ OP1(SLJIT_MOV, TMP3, 0, TMP1, 0);
+#endif
+
+if (!check_class_ranges(common, start_bits, (start_bits[31] & 0x80) != 0, TRUE, &matches))
+ {
+#ifndef COMPILE_PCRE8
+ jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 255);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 255);
+ JUMPHERE(jump);
+#endif
+ OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);
+ OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)start_bits);
+ OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
+ found = JUMP(SLJIT_NOT_ZERO);
+ }
+
+#ifdef SUPPORT_UTF
+if (common->utf)
+ OP1(SLJIT_MOV, TMP1, 0, TMP3, 0);
+#endif
+OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+#ifdef SUPPORT_UTF
+#if defined COMPILE_PCRE8
+if (common->utf)
+ {
+ CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0, start);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ }
+#elif defined COMPILE_PCRE16
+if (common->utf)
+ {
+ CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xd800, start);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);
+ OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ }
+#endif /* COMPILE_PCRE[8|16] */
+#endif /* SUPPORT_UTF */
+JUMPTO(SLJIT_JUMP, start);
+if (found != NULL)
+ JUMPHERE(found);
+if (matches != NULL)
+ set_jumps(matches, LABEL());
+JUMPHERE(quit);
+
+if (common->match_end_ptr != 0)
+ OP1(SLJIT_MOV, STR_END, 0, RETURN_ADDR, 0);
+}
+
+static SLJIT_INLINE struct sljit_jump *search_requested_char(compiler_common *common, pcre_uchar req_char, BOOL caseless, BOOL has_firstchar)
+{
+DEFINE_COMPILER;
+struct sljit_label *loop;
+struct sljit_jump *toolong;
+struct sljit_jump *alreadyfound;
+struct sljit_jump *found;
+struct sljit_jump *foundoc = NULL;
+struct sljit_jump *notfound;
+sljit_u32 oc, bit;
+
+SLJIT_ASSERT(common->req_char_ptr != 0);
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->req_char_ptr);
+OP2(SLJIT_ADD, TMP1, 0, STR_PTR, 0, SLJIT_IMM, REQ_BYTE_MAX);
+toolong = CMP(SLJIT_LESS, TMP1, 0, STR_END, 0);
+alreadyfound = CMP(SLJIT_LESS, STR_PTR, 0, TMP2, 0);
+
+if (has_firstchar)
+ OP2(SLJIT_ADD, TMP1, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+else
+ OP1(SLJIT_MOV, TMP1, 0, STR_PTR, 0);
+
+loop = LABEL();
+notfound = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, STR_END, 0);
+
+OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(TMP1), 0);
+oc = req_char;
+if (caseless)
+ {
+ oc = TABLE_GET(req_char, common->fcc, req_char);
+#if defined SUPPORT_UCP && !(defined COMPILE_PCRE8)
+ if (req_char > 127 && common->utf)
+ oc = UCD_OTHERCASE(req_char);
+#endif
+ }
+if (req_char == oc)
+ found = CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, req_char);
+else
+ {
+ bit = req_char ^ oc;
+ if (is_powerof2(bit))
+ {
+ OP2(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_IMM, bit);
+ found = CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, req_char | bit);
+ }
+ else
+ {
+ found = CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, req_char);
+ foundoc = CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, oc);
+ }
+ }
+OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(1));
+JUMPTO(SLJIT_JUMP, loop);
+
+JUMPHERE(found);
+if (foundoc)
+ JUMPHERE(foundoc);
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->req_char_ptr, TMP1, 0);
+JUMPHERE(alreadyfound);
+JUMPHERE(toolong);
+return notfound;
+}
+
+static void do_revertframes(compiler_common *common)
+{
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+struct sljit_label *mainloop;
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+OP1(SLJIT_MOV, TMP3, 0, STACK_TOP, 0);
+GET_LOCAL_BASE(TMP1, 0, 0);
+
+/* Drop frames until we reach STACK_TOP. */
+mainloop = LABEL();
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), -sizeof(sljit_sw));
+jump = CMP(SLJIT_SIG_LESS_EQUAL, TMP2, 0, SLJIT_IMM, 0);
+
+OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0);
+OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, SLJIT_MEM1(STACK_TOP), -2 * sizeof(sljit_sw));
+OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), sizeof(sljit_sw), SLJIT_MEM1(STACK_TOP), -3 * sizeof(sljit_sw));
+OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 3 * sizeof(sljit_sw));
+JUMPTO(SLJIT_JUMP, mainloop);
+
+JUMPHERE(jump);
+jump = CMP(SLJIT_NOT_ZERO /* SIG_LESS */, TMP2, 0, SLJIT_IMM, 0);
+/* End of reverting values. */
+OP1(SLJIT_MOV, STACK_TOP, 0, TMP3, 0);
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+
+JUMPHERE(jump);
+OP1(SLJIT_NEG, TMP2, 0, TMP2, 0);
+OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0);
+OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, SLJIT_MEM1(STACK_TOP), -2 * sizeof(sljit_sw));
+OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 2 * sizeof(sljit_sw));
+JUMPTO(SLJIT_JUMP, mainloop);
+}
+
+static void check_wordboundary(compiler_common *common)
+{
+DEFINE_COMPILER;
+struct sljit_jump *skipread;
+jump_list *skipread_list = NULL;
+#if !(defined COMPILE_PCRE8) || defined SUPPORT_UTF
+struct sljit_jump *jump;
+#endif
+
+SLJIT_COMPILE_ASSERT(ctype_word == 0x10, ctype_word_must_be_16);
+
+sljit_emit_fast_enter(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+/* Get type of the previous char, and put it to LOCALS1. */
+OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, SLJIT_IMM, 0);
+skipread = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP1, 0);
+skip_char_back(common);
+check_start_used_ptr(common);
+read_char(common);
+
+/* Testing char type. */
+#ifdef SUPPORT_UCP
+if (common->use_ucp)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 1);
+ jump = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_UNDERSCORE);
+ add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Nd - ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_No - ucp_Nd);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_LESS_EQUAL);
+ JUMPHERE(jump);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, TMP2, 0);
+ }
+else
+#endif
+ {
+#ifndef COMPILE_PCRE8
+ jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255);
+#elif defined SUPPORT_UTF
+ /* Here LOCALS1 has already been zeroed. */
+ jump = NULL;
+ if (common->utf)
+ jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255);
+#endif /* COMPILE_PCRE8 */
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), common->ctypes);
+ OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 4 /* ctype_word */);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, TMP1, 0);
+#ifndef COMPILE_PCRE8
+ JUMPHERE(jump);
+#elif defined SUPPORT_UTF
+ if (jump != NULL)
+ JUMPHERE(jump);
+#endif /* COMPILE_PCRE8 */
+ }
+JUMPHERE(skipread);
+
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0);
+check_str_end(common, &skipread_list);
+peek_char(common, READ_CHAR_MAX);
+
+/* Testing char type. This is a code duplication. */
+#ifdef SUPPORT_UCP
+if (common->use_ucp)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 1);
+ jump = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_UNDERSCORE);
+ add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Nd - ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_No - ucp_Nd);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_LESS_EQUAL);
+ JUMPHERE(jump);
+ }
+else
+#endif
+ {
+#ifndef COMPILE_PCRE8
+ /* TMP2 may be destroyed by peek_char. */
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0);
+ jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255);
+#elif defined SUPPORT_UTF
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0);
+ jump = NULL;
+ if (common->utf)
+ jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255);
+#endif
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP1), common->ctypes);
+ OP2(SLJIT_LSHR, TMP2, 0, TMP2, 0, SLJIT_IMM, 4 /* ctype_word */);
+ OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 1);
+#ifndef COMPILE_PCRE8
+ JUMPHERE(jump);
+#elif defined SUPPORT_UTF
+ if (jump != NULL)
+ JUMPHERE(jump);
+#endif /* COMPILE_PCRE8 */
+ }
+set_jumps(skipread_list, LABEL());
+
+OP2(SLJIT_XOR | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1);
+sljit_emit_fast_return(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+}
+
+static BOOL check_class_ranges(compiler_common *common, const sljit_u8 *bits, BOOL nclass, BOOL invert, jump_list **backtracks)
+{
+/* May destroy TMP1. */
+DEFINE_COMPILER;
+int ranges[MAX_RANGE_SIZE];
+sljit_u8 bit, cbit, all;
+int i, byte, length = 0;
+
+bit = bits[0] & 0x1;
+/* All bits will be zero or one (since bit is zero or one). */
+all = -bit;
+
+for (i = 0; i < 256; )
+ {
+ byte = i >> 3;
+ if ((i & 0x7) == 0 && bits[byte] == all)
+ i += 8;
+ else
+ {
+ cbit = (bits[byte] >> (i & 0x7)) & 0x1;
+ if (cbit != bit)
+ {
+ if (length >= MAX_RANGE_SIZE)
+ return FALSE;
+ ranges[length] = i;
+ length++;
+ bit = cbit;
+ all = -cbit;
+ }
+ i++;
+ }
+ }
+
+if (((bit == 0) && nclass) || ((bit == 1) && !nclass))
+ {
+ if (length >= MAX_RANGE_SIZE)
+ return FALSE;
+ ranges[length] = 256;
+ length++;
+ }
+
+if (length < 0 || length > 4)
+ return FALSE;
+
+bit = bits[0] & 0x1;
+if (invert) bit ^= 0x1;
+
+/* No character is accepted. */
+if (length == 0 && bit == 0)
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+
+switch(length)
+ {
+ case 0:
+ /* When bit != 0, all characters are accepted. */
+ return TRUE;
+
+ case 1:
+ add_jump(compiler, backtracks, CMP(bit == 0 ? SLJIT_LESS : SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, ranges[0]));
+ return TRUE;
+
+ case 2:
+ if (ranges[0] + 1 != ranges[1])
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[0]);
+ add_jump(compiler, backtracks, CMP(bit != 0 ? SLJIT_LESS : SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, ranges[1] - ranges[0]));
+ }
+ else
+ add_jump(compiler, backtracks, CMP(bit != 0 ? SLJIT_EQUAL : SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, ranges[0]));
+ return TRUE;
+
+ case 3:
+ if (bit != 0)
+ {
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, ranges[2]));
+ if (ranges[0] + 1 != ranges[1])
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[0]);
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, ranges[1] - ranges[0]));
+ }
+ else
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, ranges[0]));
+ return TRUE;
+ }
+
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, ranges[0]));
+ if (ranges[1] + 1 != ranges[2])
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[1]);
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, ranges[2] - ranges[1]));
+ }
+ else
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, ranges[1]));
+ return TRUE;
+
+ case 4:
+ if ((ranges[1] - ranges[0]) == (ranges[3] - ranges[2])
+ && (ranges[0] | (ranges[2] - ranges[0])) == ranges[2]
+ && (ranges[1] & (ranges[2] - ranges[0])) == 0
+ && is_powerof2(ranges[2] - ranges[0]))
+ {
+ SLJIT_ASSERT((ranges[0] & (ranges[2] - ranges[0])) == 0 && (ranges[2] & ranges[3] & (ranges[2] - ranges[0])) != 0);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[2] - ranges[0]);
+ if (ranges[2] + 1 != ranges[3])
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[2]);
+ add_jump(compiler, backtracks, CMP(bit != 0 ? SLJIT_LESS : SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, ranges[3] - ranges[2]));
+ }
+ else
+ add_jump(compiler, backtracks, CMP(bit != 0 ? SLJIT_EQUAL : SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, ranges[2]));
+ return TRUE;
+ }
+
+ if (bit != 0)
+ {
+ i = 0;
+ if (ranges[0] + 1 != ranges[1])
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[0]);
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, ranges[1] - ranges[0]));
+ i = ranges[0];
+ }
+ else
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, ranges[0]));
+
+ if (ranges[2] + 1 != ranges[3])
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[2] - i);
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, ranges[3] - ranges[2]));
+ }
+ else
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, ranges[2] - i));
+ return TRUE;
+ }
+
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[0]);
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, ranges[3] - ranges[0]));
+ if (ranges[1] + 1 != ranges[2])
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ranges[1] - ranges[0]);
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, ranges[2] - ranges[1]));
+ }
+ else
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, ranges[1] - ranges[0]));
+ return TRUE;
+
+ default:
+ SLJIT_UNREACHABLE();
+ return FALSE;
+ }
+}
+
+static void check_anynewline(compiler_common *common)
+{
+/* Check whether TMP1 contains a newline character. TMP2 destroyed. */
+DEFINE_COMPILER;
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+
+OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x0a);
+OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x0d - 0x0a);
+OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x0a);
+#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+#ifdef COMPILE_PCRE8
+if (common->utf)
+ {
+#endif
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x1);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2029 - 0x0a);
+#ifdef COMPILE_PCRE8
+ }
+#endif
+#endif /* SUPPORT_UTF || COMPILE_PCRE16 || COMPILE_PCRE32 */
+OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_EQUAL);
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+}
+
+static void check_hspace(compiler_common *common)
+{
+/* Check whether TMP1 contains a newline character. TMP2 destroyed. */
+DEFINE_COMPILER;
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+
+OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x09);
+OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x20);
+OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xa0);
+#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+#ifdef COMPILE_PCRE8
+if (common->utf)
+ {
+#endif
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x1680);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x180e);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x2000);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x200A - 0x2000);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_LESS_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x202f - 0x2000);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x205f - 0x2000);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x3000 - 0x2000);
+#ifdef COMPILE_PCRE8
+ }
+#endif
+#endif /* SUPPORT_UTF || COMPILE_PCRE16 || COMPILE_PCRE32 */
+OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_EQUAL);
+
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+}
+
+static void check_vspace(compiler_common *common)
+{
+/* Check whether TMP1 contains a newline character. TMP2 destroyed. */
+DEFINE_COMPILER;
+
+sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+
+OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x0a);
+OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x0d - 0x0a);
+OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x0a);
+#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+#ifdef COMPILE_PCRE8
+if (common->utf)
+ {
+#endif
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x1);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2029 - 0x0a);
+#ifdef COMPILE_PCRE8
+ }
+#endif
+#endif /* SUPPORT_UTF || COMPILE_PCRE16 || COMPILE_PCRE32 */
+OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_EQUAL);
+
+sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
+}
+
+static void do_casefulcmp(compiler_common *common)
+{
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+struct sljit_label *label;
+int char1_reg;
+int char2_reg;
+
+if (sljit_get_register_index(TMP3) < 0)
+ {
+ char1_reg = STR_END;
+ char2_reg = STACK_TOP;
+ }
+else
+ {
+ char1_reg = TMP3;
+ char2_reg = RETURN_ADDR;
+ }
+
+sljit_emit_fast_enter(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+
+if (char1_reg == STR_END)
+ {
+ OP1(SLJIT_MOV, TMP3, 0, char1_reg, 0);
+ OP1(SLJIT_MOV, RETURN_ADDR, 0, char2_reg, 0);
+ }
+
+if (sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_SUPP | SLJIT_MEM_POST, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1)) == SLJIT_SUCCESS)
+ {
+ label = LABEL();
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_POST, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1));
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_POST, char2_reg, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ jump = CMP(SLJIT_NOT_EQUAL, char1_reg, 0, char2_reg, 0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, TMP2, 0, SLJIT_IMM, IN_UCHARS(1));
+ JUMPTO(SLJIT_NOT_ZERO, label);
+
+ JUMPHERE(jump);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+ }
+else if (sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_SUPP | SLJIT_MEM_PRE, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1)) == SLJIT_SUCCESS)
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+ label = LABEL();
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_PRE, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1));
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_PRE, char2_reg, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ jump = CMP(SLJIT_NOT_EQUAL, char1_reg, 0, char2_reg, 0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, TMP2, 0, SLJIT_IMM, IN_UCHARS(1));
+ JUMPTO(SLJIT_NOT_ZERO, label);
+
+ JUMPHERE(jump);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ }
+else
+ {
+ label = LABEL();
+ OP1(MOV_UCHAR, char1_reg, 0, SLJIT_MEM1(TMP1), 0);
+ OP1(MOV_UCHAR, char2_reg, 0, SLJIT_MEM1(STR_PTR), 0);
+ OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ jump = CMP(SLJIT_NOT_EQUAL, char1_reg, 0, char2_reg, 0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, TMP2, 0, SLJIT_IMM, IN_UCHARS(1));
+ JUMPTO(SLJIT_NOT_ZERO, label);
+
+ JUMPHERE(jump);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+ }
+
+if (char1_reg == STR_END)
+ {
+ OP1(SLJIT_MOV, char1_reg, 0, TMP3, 0);
+ OP1(SLJIT_MOV, char2_reg, 0, RETURN_ADDR, 0);
+ }
+
+sljit_emit_fast_return(compiler, TMP1, 0);
+}
+
+static void do_caselesscmp(compiler_common *common)
+{
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+struct sljit_label *label;
+int char1_reg = STR_END;
+int char2_reg;
+int lcc_table;
+int opt_type = 0;
+
+if (sljit_get_register_index(TMP3) < 0)
+ {
+ char2_reg = STACK_TOP;
+ lcc_table = STACK_LIMIT;
+ }
+else
+ {
+ char2_reg = RETURN_ADDR;
+ lcc_table = TMP3;
+ }
+
+if (sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_SUPP | SLJIT_MEM_POST, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1)) == SLJIT_SUCCESS)
+ opt_type = 1;
+else if (sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_SUPP | SLJIT_MEM_PRE, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1)) == SLJIT_SUCCESS)
+ opt_type = 2;
+
+sljit_emit_fast_enter(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, char1_reg, 0);
+
+if (char2_reg == STACK_TOP)
+ {
+ OP1(SLJIT_MOV, TMP3, 0, char2_reg, 0);
+ OP1(SLJIT_MOV, RETURN_ADDR, 0, lcc_table, 0);
+ }
+
+OP1(SLJIT_MOV, lcc_table, 0, SLJIT_IMM, common->lcc);
+
+if (opt_type == 1)
+ {
+ label = LABEL();
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_POST, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1));
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_POST, char2_reg, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ }
+else if (opt_type == 2)
+ {
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+ label = LABEL();
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_PRE, char1_reg, SLJIT_MEM1(TMP1), IN_UCHARS(1));
+ sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_PRE, char2_reg, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ }
+else
+ {
+ label = LABEL();
+ OP1(MOV_UCHAR, char1_reg, 0, SLJIT_MEM1(TMP1), 0);
+ OP1(MOV_UCHAR, char2_reg, 0, SLJIT_MEM1(STR_PTR), 0);
+ OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(1));
+ }
+
+#ifndef COMPILE_PCRE8
+jump = CMP(SLJIT_GREATER, char1_reg, 0, SLJIT_IMM, 255);
+#endif
+OP1(SLJIT_MOV_U8, char1_reg, 0, SLJIT_MEM2(lcc_table, char1_reg), 0);
+#ifndef COMPILE_PCRE8
+JUMPHERE(jump);
+jump = CMP(SLJIT_GREATER, char2_reg, 0, SLJIT_IMM, 255);
+#endif
+OP1(SLJIT_MOV_U8, char2_reg, 0, SLJIT_MEM2(lcc_table, char2_reg), 0);
+#ifndef COMPILE_PCRE8
+JUMPHERE(jump);
+#endif
+
+if (opt_type == 0)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+jump = CMP(SLJIT_NOT_EQUAL, char1_reg, 0, char2_reg, 0);
+OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, TMP2, 0, SLJIT_IMM, IN_UCHARS(1));
+JUMPTO(SLJIT_NOT_ZERO, label);
+
+JUMPHERE(jump);
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+
+if (opt_type == 2)
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+if (char2_reg == STACK_TOP)
+ {
+ OP1(SLJIT_MOV, char2_reg, 0, TMP3, 0);
+ OP1(SLJIT_MOV, lcc_table, 0, RETURN_ADDR, 0);
+ }
+
+OP1(SLJIT_MOV, char1_reg, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1);
+sljit_emit_fast_return(compiler, TMP1, 0);
+}
+
+#if defined SUPPORT_UTF && defined SUPPORT_UCP
+
+static const pcre_uchar * SLJIT_FUNC do_utf_caselesscmp(pcre_uchar *src1, pcre_uchar *src2, pcre_uchar *end1, pcre_uchar *end2)
+{
+/* This function would be ineffective to do in JIT level. */
+sljit_u32 c1, c2;
+const ucd_record *ur;
+const sljit_u32 *pp;
+
+while (src1 < end1)
+ {
+ if (src2 >= end2)
+ return (pcre_uchar*)1;
+ GETCHARINC(c1, src1);
+ GETCHARINC(c2, src2);
+ ur = GET_UCD(c2);
+ if (c1 != c2 && c1 != c2 + ur->other_case)
+ {
+ pp = PRIV(ucd_caseless_sets) + ur->caseset;
+ for (;;)
+ {
+ if (c1 < *pp) return NULL;
+ if (c1 == *pp++) break;
+ }
+ }
+ }
+return src2;
+}
+
+#endif /* SUPPORT_UTF && SUPPORT_UCP */
+
+static pcre_uchar *byte_sequence_compare(compiler_common *common, BOOL caseless, pcre_uchar *cc,
+ compare_context *context, jump_list **backtracks)
+{
+DEFINE_COMPILER;
+unsigned int othercasebit = 0;
+pcre_uchar *othercasechar = NULL;
+#ifdef SUPPORT_UTF
+int utflength;
+#endif
+
+if (caseless && char_has_othercase(common, cc))
+ {
+ othercasebit = char_get_othercase_bit(common, cc);
+ SLJIT_ASSERT(othercasebit);
+ /* Extracting bit difference info. */
+#if defined COMPILE_PCRE8
+ othercasechar = cc + (othercasebit >> 8);
+ othercasebit &= 0xff;
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ /* Note that this code only handles characters in the BMP. If there
+ ever are characters outside the BMP whose othercase differs in only one
+ bit from itself (there currently are none), this code will need to be
+ revised for COMPILE_PCRE32. */
+ othercasechar = cc + (othercasebit >> 9);
+ if ((othercasebit & 0x100) != 0)
+ othercasebit = (othercasebit & 0xff) << 8;
+ else
+ othercasebit &= 0xff;
+#endif /* COMPILE_PCRE[8|16|32] */
+ }
+
+if (context->sourcereg == -1)
+ {
+#if defined COMPILE_PCRE8
+#if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
+ if (context->length >= 4)
+ OP1(SLJIT_MOV_S32, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
+ else if (context->length >= 2)
+ OP1(SLJIT_MOV_U16, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
+ else
+#endif
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
+#elif defined COMPILE_PCRE16
+#if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
+ if (context->length >= 4)
+ OP1(SLJIT_MOV_S32, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
+ else
+#endif
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
+#elif defined COMPILE_PCRE32
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
+#endif /* COMPILE_PCRE[8|16|32] */
+ context->sourcereg = TMP2;
+ }
+
+#ifdef SUPPORT_UTF
+utflength = 1;
+if (common->utf && HAS_EXTRALEN(*cc))
+ utflength += GET_EXTRALEN(*cc);
+
+do
+ {
+#endif
+
+ context->length -= IN_UCHARS(1);
+#if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED) && (defined COMPILE_PCRE8 || defined COMPILE_PCRE16)
+
+ /* Unaligned read is supported. */
+ if (othercasebit != 0 && othercasechar == cc)
+ {
+ context->c.asuchars[context->ucharptr] = *cc | othercasebit;
+ context->oc.asuchars[context->ucharptr] = othercasebit;
+ }
+ else
+ {
+ context->c.asuchars[context->ucharptr] = *cc;
+ context->oc.asuchars[context->ucharptr] = 0;
+ }
+ context->ucharptr++;
+
+#if defined COMPILE_PCRE8
+ if (context->ucharptr >= 4 || context->length == 0 || (context->ucharptr == 2 && context->length == 1))
+#else
+ if (context->ucharptr >= 2 || context->length == 0)
+#endif
+ {
+ if (context->length >= 4)
+ OP1(SLJIT_MOV_S32, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
+ else if (context->length >= 2)
+ OP1(SLJIT_MOV_U16, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
+#if defined COMPILE_PCRE8
+ else if (context->length >= 1)
+ OP1(SLJIT_MOV_U8, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
+#endif /* COMPILE_PCRE8 */
+ context->sourcereg = context->sourcereg == TMP1 ? TMP2 : TMP1;
+
+ switch(context->ucharptr)
+ {
+ case 4 / sizeof(pcre_uchar):
+ if (context->oc.asint != 0)
+ OP2(SLJIT_OR, context->sourcereg, 0, context->sourcereg, 0, SLJIT_IMM, context->oc.asint);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, context->sourcereg, 0, SLJIT_IMM, context->c.asint | context->oc.asint));
+ break;
+
+ case 2 / sizeof(pcre_uchar):
+ if (context->oc.asushort != 0)
+ OP2(SLJIT_OR, context->sourcereg, 0, context->sourcereg, 0, SLJIT_IMM, context->oc.asushort);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, context->sourcereg, 0, SLJIT_IMM, context->c.asushort | context->oc.asushort));
+ break;
+
+#ifdef COMPILE_PCRE8
+ case 1:
+ if (context->oc.asbyte != 0)
+ OP2(SLJIT_OR, context->sourcereg, 0, context->sourcereg, 0, SLJIT_IMM, context->oc.asbyte);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, context->sourcereg, 0, SLJIT_IMM, context->c.asbyte | context->oc.asbyte));
+ break;
+#endif
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+ context->ucharptr = 0;
+ }
+
+#else
+
+ /* Unaligned read is unsupported or in 32 bit mode. */
+ if (context->length >= 1)
+ OP1(MOV_UCHAR, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
+
+ context->sourcereg = context->sourcereg == TMP1 ? TMP2 : TMP1;
+
+ if (othercasebit != 0 && othercasechar == cc)
+ {
+ OP2(SLJIT_OR, context->sourcereg, 0, context->sourcereg, 0, SLJIT_IMM, othercasebit);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, context->sourcereg, 0, SLJIT_IMM, *cc | othercasebit));
+ }
+ else
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, context->sourcereg, 0, SLJIT_IMM, *cc));
+
+#endif
+
+ cc++;
+#ifdef SUPPORT_UTF
+ utflength--;
+ }
+while (utflength > 0);
+#endif
+
+return cc;
+}
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+
+#define SET_TYPE_OFFSET(value) \
+ if ((value) != typeoffset) \
+ { \
+ if ((value) < typeoffset) \
+ OP2(SLJIT_ADD, typereg, 0, typereg, 0, SLJIT_IMM, typeoffset - (value)); \
+ else \
+ OP2(SLJIT_SUB, typereg, 0, typereg, 0, SLJIT_IMM, (value) - typeoffset); \
+ } \
+ typeoffset = (value);
+
+#define SET_CHAR_OFFSET(value) \
+ if ((value) != charoffset) \
+ { \
+ if ((value) < charoffset) \
+ OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(charoffset - (value))); \
+ else \
+ OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)((value) - charoffset)); \
+ } \
+ charoffset = (value);
+
+static pcre_uchar *compile_char1_matchingpath(compiler_common *common, pcre_uchar type, pcre_uchar *cc, jump_list **backtracks, BOOL check_str_ptr);
+
+static void compile_xclass_matchingpath(compiler_common *common, pcre_uchar *cc, jump_list **backtracks)
+{
+DEFINE_COMPILER;
+jump_list *found = NULL;
+jump_list **list = (cc[0] & XCL_NOT) == 0 ? &found : backtracks;
+sljit_uw c, charoffset, max = 256, min = READ_CHAR_MAX;
+struct sljit_jump *jump = NULL;
+pcre_uchar *ccbegin;
+int compares, invertcmp, numberofcmps;
+#if defined SUPPORT_UTF && (defined COMPILE_PCRE8 || defined COMPILE_PCRE16)
+BOOL utf = common->utf;
+#endif
+
+#ifdef SUPPORT_UCP
+BOOL needstype = FALSE, needsscript = FALSE, needschar = FALSE;
+BOOL charsaved = FALSE;
+int typereg = TMP1;
+const sljit_u32 *other_cases;
+sljit_uw typeoffset;
+#endif
+
+/* Scanning the necessary info. */
+cc++;
+ccbegin = cc;
+compares = 0;
+if (cc[-1] & XCL_MAP)
+ {
+ min = 0;
+ cc += 32 / sizeof(pcre_uchar);
+ }
+
+while (*cc != XCL_END)
+ {
+ compares++;
+ if (*cc == XCL_SINGLE)
+ {
+ cc ++;
+ GETCHARINCTEST(c, cc);
+ if (c > max) max = c;
+ if (c < min) min = c;
+#ifdef SUPPORT_UCP
+ needschar = TRUE;
+#endif
+ }
+ else if (*cc == XCL_RANGE)
+ {
+ cc ++;
+ GETCHARINCTEST(c, cc);
+ if (c < min) min = c;
+ GETCHARINCTEST(c, cc);
+ if (c > max) max = c;
+#ifdef SUPPORT_UCP
+ needschar = TRUE;
+#endif
+ }
+#ifdef SUPPORT_UCP
+ else
+ {
+ SLJIT_ASSERT(*cc == XCL_PROP || *cc == XCL_NOTPROP);
+ cc++;
+ if (*cc == PT_CLIST)
+ {
+ other_cases = PRIV(ucd_caseless_sets) + cc[1];
+ while (*other_cases != NOTACHAR)
+ {
+ if (*other_cases > max) max = *other_cases;
+ if (*other_cases < min) min = *other_cases;
+ other_cases++;
+ }
+ }
+ else
+ {
+ max = READ_CHAR_MAX;
+ min = 0;
+ }
+
+ switch(*cc)
+ {
+ case PT_ANY:
+ /* Any either accepts everything or ignored. */
+ if (cc[-1] == XCL_PROP)
+ {
+ compile_char1_matchingpath(common, OP_ALLANY, cc, backtracks, FALSE);
+ if (list == backtracks)
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+ return;
+ }
+ break;
+
+ case PT_LAMP:
+ case PT_GC:
+ case PT_PC:
+ case PT_ALNUM:
+ needstype = TRUE;
+ break;
+
+ case PT_SC:
+ needsscript = TRUE;
+ break;
+
+ case PT_SPACE:
+ case PT_PXSPACE:
+ case PT_WORD:
+ case PT_PXGRAPH:
+ case PT_PXPRINT:
+ case PT_PXPUNCT:
+ needstype = TRUE;
+ needschar = TRUE;
+ break;
+
+ case PT_CLIST:
+ case PT_UCNC:
+ needschar = TRUE;
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+ cc += 2;
+ }
+#endif
+ }
+SLJIT_ASSERT(compares > 0);
+
+/* We are not necessary in utf mode even in 8 bit mode. */
+cc = ccbegin;
+read_char_range(common, min, max, (cc[-1] & XCL_NOT) != 0);
+
+if ((cc[-1] & XCL_HASPROP) == 0)
+ {
+ if ((cc[-1] & XCL_MAP) != 0)
+ {
+ jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255);
+ if (!check_class_ranges(common, (const sljit_u8 *)cc, (((const sljit_u8 *)cc)[31] & 0x80) != 0, TRUE, &found))
+ {
+ OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);
+ OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)cc);
+ OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
+ add_jump(compiler, &found, JUMP(SLJIT_NOT_ZERO));
+ }
+
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+ JUMPHERE(jump);
+
+ cc += 32 / sizeof(pcre_uchar);
+ }
+ else
+ {
+ OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, min);
+ add_jump(compiler, (cc[-1] & XCL_NOT) == 0 ? backtracks : &found, CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, max - min));
+ }
+ }
+else if ((cc[-1] & XCL_MAP) != 0)
+ {
+ OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0);
+#ifdef SUPPORT_UCP
+ charsaved = TRUE;
+#endif
+ if (!check_class_ranges(common, (const sljit_u8 *)cc, FALSE, TRUE, list))
+ {
+#ifdef COMPILE_PCRE8
+ jump = NULL;
+ if (common->utf)
+#endif
+ jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255);
+
+ OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);
+ OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)cc);
+ OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
+ add_jump(compiler, list, JUMP(SLJIT_NOT_ZERO));
+
+#ifdef COMPILE_PCRE8
+ if (common->utf)
+#endif
+ JUMPHERE(jump);
+ }
+
+ OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
+ cc += 32 / sizeof(pcre_uchar);
+ }
+
+#ifdef SUPPORT_UCP
+if (needstype || needsscript)
+ {
+ if (needschar && !charsaved)
+ OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0);
+
+#ifdef COMPILE_PCRE32
+ if (!common->utf)
+ {
+ jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x10ffff + 1);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR);
+ JUMPHERE(jump);
+ }
+#endif
+
+ OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_stage1));
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_MASK);
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
+ OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_stage2));
+ OP1(SLJIT_MOV_U16, TMP2, 0, SLJIT_MEM2(TMP2, TMP1), 1);
+
+ /* Before anything else, we deal with scripts. */
+ if (needsscript)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, script));
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3);
+
+ ccbegin = cc;
+
+ while (*cc != XCL_END)
+ {
+ if (*cc == XCL_SINGLE)
+ {
+ cc ++;
+ GETCHARINCTEST(c, cc);
+ }
+ else if (*cc == XCL_RANGE)
+ {
+ cc ++;
+ GETCHARINCTEST(c, cc);
+ GETCHARINCTEST(c, cc);
+ }
+ else
+ {
+ SLJIT_ASSERT(*cc == XCL_PROP || *cc == XCL_NOTPROP);
+ cc++;
+ if (*cc == PT_SC)
+ {
+ compares--;
+ invertcmp = (compares == 0 && list != backtracks);
+ if (cc[-1] == XCL_NOTPROP)
+ invertcmp ^= 0x1;
+ jump = CMP(SLJIT_EQUAL ^ invertcmp, TMP1, 0, SLJIT_IMM, (int)cc[1]);
+ add_jump(compiler, compares > 0 ? list : backtracks, jump);
+ }
+ cc += 2;
+ }
+ }
+
+ cc = ccbegin;
+ }
+
+ if (needschar)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
+ }
+
+ if (needstype)
+ {
+ if (!needschar)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3);
+ }
+ else
+ {
+ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3);
+ OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));
+ typereg = RETURN_ADDR;
+ }
+ }
+ }
+#endif
+
+/* Generating code. */
+charoffset = 0;
+numberofcmps = 0;
+#ifdef SUPPORT_UCP
+typeoffset = 0;
+#endif
+
+while (*cc != XCL_END)
+ {
+ compares--;
+ invertcmp = (compares == 0 && list != backtracks);
+ jump = NULL;
+
+ if (*cc == XCL_SINGLE)
+ {
+ cc ++;
+ GETCHARINCTEST(c, cc);
+
+ if (numberofcmps < 3 && (*cc == XCL_SINGLE || *cc == XCL_RANGE))
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(c - charoffset));
+ OP_FLAGS(numberofcmps == 0 ? SLJIT_MOV : SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ numberofcmps++;
+ }
+ else if (numberofcmps > 0)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(c - charoffset));
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_EQUAL);
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ numberofcmps = 0;
+ }
+ else
+ {
+ jump = CMP(SLJIT_EQUAL ^ invertcmp, TMP1, 0, SLJIT_IMM, (sljit_sw)(c - charoffset));
+ numberofcmps = 0;
+ }
+ }
+ else if (*cc == XCL_RANGE)
+ {
+ cc ++;
+ GETCHARINCTEST(c, cc);
+ SET_CHAR_OFFSET(c);
+ GETCHARINCTEST(c, cc);
+
+ if (numberofcmps < 3 && (*cc == XCL_SINGLE || *cc == XCL_RANGE))
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(c - charoffset));
+ OP_FLAGS(numberofcmps == 0 ? SLJIT_MOV : SLJIT_OR, TMP2, 0, SLJIT_LESS_EQUAL);
+ numberofcmps++;
+ }
+ else if (numberofcmps > 0)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(c - charoffset));
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_LESS_EQUAL);
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ numberofcmps = 0;
+ }
+ else
+ {
+ jump = CMP(SLJIT_LESS_EQUAL ^ invertcmp, TMP1, 0, SLJIT_IMM, (sljit_sw)(c - charoffset));
+ numberofcmps = 0;
+ }
+ }
+#ifdef SUPPORT_UCP
+ else
+ {
+ SLJIT_ASSERT(*cc == XCL_PROP || *cc == XCL_NOTPROP);
+ if (*cc == XCL_NOTPROP)
+ invertcmp ^= 0x1;
+ cc++;
+ switch(*cc)
+ {
+ case PT_ANY:
+ if (!invertcmp)
+ jump = JUMP(SLJIT_JUMP);
+ break;
+
+ case PT_LAMP:
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lu - typeoffset);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Ll - typeoffset);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lt - typeoffset);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_EQUAL);
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ break;
+
+ case PT_GC:
+ c = PRIV(ucp_typerange)[(int)cc[1] * 2];
+ SET_TYPE_OFFSET(c);
+ jump = CMP(SLJIT_LESS_EQUAL ^ invertcmp, typereg, 0, SLJIT_IMM, PRIV(ucp_typerange)[(int)cc[1] * 2 + 1] - c);
+ break;
+
+ case PT_PC:
+ jump = CMP(SLJIT_EQUAL ^ invertcmp, typereg, 0, SLJIT_IMM, (int)cc[1] - typeoffset);
+ break;
+
+ case PT_SC:
+ compares++;
+ /* Do nothing. */
+ break;
+
+ case PT_SPACE:
+ case PT_PXSPACE:
+ SET_CHAR_OFFSET(9);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd - 0x9);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x9);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x180e - 0x9);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+
+ SET_TYPE_OFFSET(ucp_Zl);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Zs - ucp_Zl);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_LESS_EQUAL);
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ break;
+
+ case PT_WORD:
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(CHAR_UNDERSCORE - charoffset));
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+ /* Fall through. */
+
+ case PT_ALNUM:
+ SET_TYPE_OFFSET(ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);
+ OP_FLAGS((*cc == PT_ALNUM) ? SLJIT_MOV : SLJIT_OR, TMP2, 0, SLJIT_LESS_EQUAL);
+ SET_TYPE_OFFSET(ucp_Nd);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_No - ucp_Nd);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_LESS_EQUAL);
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ break;
+
+ case PT_CLIST:
+ other_cases = PRIV(ucd_caseless_sets) + cc[1];
+
+ /* At least three characters are required.
+ Otherwise this case would be handled by the normal code path. */
+ SLJIT_ASSERT(other_cases[0] != NOTACHAR && other_cases[1] != NOTACHAR && other_cases[2] != NOTACHAR);
+ SLJIT_ASSERT(other_cases[0] < other_cases[1] && other_cases[1] < other_cases[2]);
+
+ /* Optimizing character pairs, if their difference is power of 2. */
+ if (is_powerof2(other_cases[1] ^ other_cases[0]))
+ {
+ if (charoffset == 0)
+ OP2(SLJIT_OR, TMP2, 0, TMP1, 0, SLJIT_IMM, other_cases[1] ^ other_cases[0]);
+ else
+ {
+ OP2(SLJIT_ADD, TMP2, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)charoffset);
+ OP2(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_IMM, other_cases[1] ^ other_cases[0]);
+ }
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, other_cases[1]);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+ other_cases += 2;
+ }
+ else if (is_powerof2(other_cases[2] ^ other_cases[1]))
+ {
+ if (charoffset == 0)
+ OP2(SLJIT_OR, TMP2, 0, TMP1, 0, SLJIT_IMM, other_cases[2] ^ other_cases[1]);
+ else
+ {
+ OP2(SLJIT_ADD, TMP2, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)charoffset);
+ OP2(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_IMM, other_cases[1] ^ other_cases[0]);
+ }
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, other_cases[2]);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(other_cases[0] - charoffset));
+ OP_FLAGS(SLJIT_OR | ((other_cases[3] == NOTACHAR) ? SLJIT_SET_Z : 0), TMP2, 0, SLJIT_EQUAL);
+
+ other_cases += 3;
+ }
+ else
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(*other_cases++ - charoffset));
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+ }
+
+ while (*other_cases != NOTACHAR)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(*other_cases++ - charoffset));
+ OP_FLAGS(SLJIT_OR | ((*other_cases == NOTACHAR) ? SLJIT_SET_Z : 0), TMP2, 0, SLJIT_EQUAL);
+ }
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ break;
+
+ case PT_UCNC:
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(CHAR_DOLLAR_SIGN - charoffset));
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(CHAR_COMMERCIAL_AT - charoffset));
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(CHAR_GRAVE_ACCENT - charoffset));
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+
+ SET_CHAR_OFFSET(0xa0);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)(0xd7ff - charoffset));
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_LESS_EQUAL);
+ SET_CHAR_OFFSET(0);
+ OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xe000 - 0);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_GREATER_EQUAL);
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ break;
+
+ case PT_PXGRAPH:
+ /* C and Z groups are the farthest two groups. */
+ SET_TYPE_OFFSET(ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_GREATER, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_So - ucp_Ll);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_GREATER);
+
+ jump = CMP(SLJIT_NOT_EQUAL, typereg, 0, SLJIT_IMM, ucp_Cf - ucp_Ll);
+
+ /* In case of ucp_Cf, we overwrite the result. */
+ SET_CHAR_OFFSET(0x2066);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2069 - 0x2066);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x061c - 0x2066);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x180e - 0x2066);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+
+ JUMPHERE(jump);
+ jump = CMP(SLJIT_ZERO ^ invertcmp, TMP2, 0, SLJIT_IMM, 0);
+ break;
+
+ case PT_PXPRINT:
+ /* C and Z groups are the farthest two groups. */
+ SET_TYPE_OFFSET(ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_GREATER, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_So - ucp_Ll);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_GREATER);
+
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Zs - ucp_Ll);
+ OP_FLAGS(SLJIT_AND, TMP2, 0, SLJIT_NOT_EQUAL);
+
+ jump = CMP(SLJIT_NOT_EQUAL, typereg, 0, SLJIT_IMM, ucp_Cf - ucp_Ll);
+
+ /* In case of ucp_Cf, we overwrite the result. */
+ SET_CHAR_OFFSET(0x2066);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2069 - 0x2066);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x061c - 0x2066);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_EQUAL);
+
+ JUMPHERE(jump);
+ jump = CMP(SLJIT_ZERO ^ invertcmp, TMP2, 0, SLJIT_IMM, 0);
+ break;
+
+ case PT_PXPUNCT:
+ SET_TYPE_OFFSET(ucp_Sc);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_So - ucp_Sc);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL);
+
+ SET_CHAR_OFFSET(0);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x7f);
+ OP_FLAGS(SLJIT_AND, TMP2, 0, SLJIT_LESS_EQUAL);
+
+ SET_TYPE_OFFSET(ucp_Pc);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Ps - ucp_Pc);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_LESS_EQUAL);
+ jump = JUMP(SLJIT_NOT_ZERO ^ invertcmp);
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+ cc += 2;
+ }
+#endif
+
+ if (jump != NULL)
+ add_jump(compiler, compares > 0 ? list : backtracks, jump);
+ }
+
+if (found != NULL)
+ set_jumps(found, LABEL());
+}
+
+#undef SET_TYPE_OFFSET
+#undef SET_CHAR_OFFSET
+
+#endif
+
+static pcre_uchar *compile_simple_assertion_matchingpath(compiler_common *common, pcre_uchar type, pcre_uchar *cc, jump_list **backtracks)
+{
+DEFINE_COMPILER;
+int length;
+struct sljit_jump *jump[4];
+#ifdef SUPPORT_UTF
+struct sljit_label *label;
+#endif /* SUPPORT_UTF */
+
+switch(type)
+ {
+ case OP_SOD:
+ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, TMP1, 0));
+ return cc;
+
+ case OP_SOM:
+ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, TMP1, 0));
+ return cc;
+
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ add_jump(compiler, &common->wordboundary, JUMP(SLJIT_FAST_CALL));
+ sljit_set_current_flags(compiler, SLJIT_SET_Z);
+ add_jump(compiler, backtracks, JUMP(type == OP_NOT_WORD_BOUNDARY ? SLJIT_NOT_ZERO : SLJIT_ZERO));
+ return cc;
+
+ case OP_EODN:
+ /* Requires rather complex checks. */
+ jump[0] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ if (common->nltype == NLTYPE_FIXED && common->newline > 255)
+ {
+ OP2(SLJIT_ADD, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ if (common->mode == JIT_COMPILE)
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, STR_END, 0));
+ else
+ {
+ jump[1] = CMP(SLJIT_EQUAL, TMP2, 0, STR_END, 0);
+ OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP2, 0, STR_END, 0);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, SLJIT_NOT_EQUAL);
+ add_jump(compiler, backtracks, JUMP(SLJIT_NOT_EQUAL));
+ check_partial(common, TRUE);
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+ JUMPHERE(jump[1]);
+ }
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff));
+ }
+ else if (common->nltype == NLTYPE_FIXED)
+ {
+ OP2(SLJIT_ADD, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, STR_END, 0));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, common->newline));
+ }
+ else
+ {
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ jump[1] = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
+ OP2(SLJIT_ADD, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
+ OP2(SLJIT_SUB | SLJIT_SET_Z | SLJIT_SET_GREATER, SLJIT_UNUSED, 0, TMP2, 0, STR_END, 0);
+ jump[2] = JUMP(SLJIT_GREATER);
+ add_jump(compiler, backtracks, JUMP(SLJIT_NOT_EQUAL) /* LESS */);
+ /* Equal. */
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ jump[3] = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_NL);
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+
+ JUMPHERE(jump[1]);
+ if (common->nltype == NLTYPE_ANYCRLF)
+ {
+ OP2(SLJIT_ADD, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP2, 0, STR_END, 0));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_NL));
+ }
+ else
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, STR_PTR, 0);
+ read_char_range(common, common->nlmin, common->nlmax, TRUE);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, STR_END, 0));
+ add_jump(compiler, &common->anynewline, JUMP(SLJIT_FAST_CALL));
+ sljit_set_current_flags(compiler, SLJIT_SET_Z);
+ add_jump(compiler, backtracks, JUMP(SLJIT_ZERO));
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1);
+ }
+ JUMPHERE(jump[2]);
+ JUMPHERE(jump[3]);
+ }
+ JUMPHERE(jump[0]);
+ check_partial(common, FALSE);
+ return cc;
+
+ case OP_EOD:
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, STR_PTR, 0, STR_END, 0));
+ check_partial(common, FALSE);
+ return cc;
+
+ case OP_DOLL:
+ OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, noteol));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+
+ if (!common->endonly)
+ compile_simple_assertion_matchingpath(common, OP_EODN, cc, backtracks);
+ else
+ {
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, STR_PTR, 0, STR_END, 0));
+ check_partial(common, FALSE);
+ }
+ return cc;
+
+ case OP_DOLLM:
+ jump[1] = CMP(SLJIT_LESS, STR_PTR, 0, STR_END, 0);
+ OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, noteol));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+ check_partial(common, FALSE);
+ jump[0] = JUMP(SLJIT_JUMP);
+ JUMPHERE(jump[1]);
+
+ if (common->nltype == NLTYPE_FIXED && common->newline > 255)
+ {
+ OP2(SLJIT_ADD, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ if (common->mode == JIT_COMPILE)
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER, TMP2, 0, STR_END, 0));
+ else
+ {
+ jump[1] = CMP(SLJIT_LESS_EQUAL, TMP2, 0, STR_END, 0);
+ /* STR_PTR = STR_END - IN_UCHARS(1) */
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff));
+ check_partial(common, TRUE);
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+ JUMPHERE(jump[1]);
+ }
+
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff));
+ }
+ else
+ {
+ peek_char(common, common->nlmax);
+ check_newlinechar(common, common->nltype, backtracks, FALSE);
+ }
+ JUMPHERE(jump[0]);
+ return cc;
+
+ case OP_CIRC:
+ OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin));
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER, STR_PTR, 0, TMP1, 0));
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, notbol));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+ return cc;
+
+ case OP_CIRCM:
+ OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin));
+ jump[1] = CMP(SLJIT_GREATER, STR_PTR, 0, TMP1, 0);
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, notbol));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+ jump[0] = JUMP(SLJIT_JUMP);
+ JUMPHERE(jump[1]);
+
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
+ if (common->nltype == NLTYPE_FIXED && common->newline > 255)
+ {
+ OP2(SLJIT_SUB, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP2, 0, TMP1, 0));
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2));
+ OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff));
+ }
+ else
+ {
+ skip_char_back(common);
+ read_char_range(common, common->nlmin, common->nlmax, TRUE);
+ check_newlinechar(common, common->nltype, backtracks, FALSE);
+ }
+ JUMPHERE(jump[0]);
+ return cc;
+
+ case OP_REVERSE:
+ length = GET(cc, 0);
+ if (length == 0)
+ return cc + LINK_SIZE;
+ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+#ifdef SUPPORT_UTF
+ if (common->utf)
+ {
+ OP1(SLJIT_MOV, TMP3, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, length);
+ label = LABEL();
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP3, 0));
+ skip_char_back(common);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, TMP2, 0, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ }
+ else
+#endif
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(length));
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS, STR_PTR, 0, TMP1, 0));
+ }
+ check_start_used_ptr(common);
+ return cc + LINK_SIZE;
+ }
+SLJIT_UNREACHABLE();
+return cc;
+}
+
+static pcre_uchar *compile_char1_matchingpath(compiler_common *common, pcre_uchar type, pcre_uchar *cc, jump_list **backtracks, BOOL check_str_ptr)
+{
+DEFINE_COMPILER;
+int length;
+unsigned int c, oc, bit;
+compare_context context;
+struct sljit_jump *jump[3];
+jump_list *end_list;
+#ifdef SUPPORT_UTF
+struct sljit_label *label;
+#ifdef SUPPORT_UCP
+pcre_uchar propdata[5];
+#endif
+#endif /* SUPPORT_UTF */
+
+switch(type)
+ {
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ /* Digits are usually 0-9, so it is worth to optimize them. */
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (common->utf && is_char7_bitset((const sljit_u8 *)common->ctypes - cbit_length + cbit_digit, FALSE))
+ read_char7_type(common, type == OP_NOT_DIGIT);
+ else
+#endif
+ read_char8_type(common, type == OP_NOT_DIGIT);
+ /* Flip the starting bit in the negative case. */
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ctype_digit);
+ add_jump(compiler, backtracks, JUMP(type == OP_DIGIT ? SLJIT_ZERO : SLJIT_NOT_ZERO));
+ return cc;
+
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (common->utf && is_char7_bitset((const sljit_u8 *)common->ctypes - cbit_length + cbit_space, FALSE))
+ read_char7_type(common, type == OP_NOT_WHITESPACE);
+ else
+#endif
+ read_char8_type(common, type == OP_NOT_WHITESPACE);
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ctype_space);
+ add_jump(compiler, backtracks, JUMP(type == OP_WHITESPACE ? SLJIT_ZERO : SLJIT_NOT_ZERO));
+ return cc;
+
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (common->utf && is_char7_bitset((const sljit_u8 *)common->ctypes - cbit_length + cbit_word, FALSE))
+ read_char7_type(common, type == OP_NOT_WORDCHAR);
+ else
+#endif
+ read_char8_type(common, type == OP_NOT_WORDCHAR);
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ctype_word);
+ add_jump(compiler, backtracks, JUMP(type == OP_WORDCHAR ? SLJIT_ZERO : SLJIT_NOT_ZERO));
+ return cc;
+
+ case OP_ANY:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ read_char_range(common, common->nlmin, common->nlmax, TRUE);
+ if (common->nltype == NLTYPE_FIXED && common->newline > 255)
+ {
+ jump[0] = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff);
+ end_list = NULL;
+ if (common->mode != JIT_PARTIAL_HARD_COMPILE)
+ add_jump(compiler, &end_list, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
+ else
+ check_str_end(common, &end_list);
+
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, common->newline & 0xff));
+ set_jumps(end_list, LABEL());
+ JUMPHERE(jump[0]);
+ }
+ else
+ check_newlinechar(common, common->nltype, backtracks, TRUE);
+ return cc;
+
+ case OP_ALLANY:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+#ifdef SUPPORT_UTF
+ if (common->utf)
+ {
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+#if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
+#if defined COMPILE_PCRE8
+ jump[0] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+#elif defined COMPILE_PCRE16
+ jump[0] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xd800);
+ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);
+ OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL);
+ OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+#endif
+ JUMPHERE(jump[0]);
+#endif /* COMPILE_PCRE[8|16] */
+ return cc;
+ }
+#endif
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ return cc;
+
+ case OP_ANYBYTE:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ return cc;
+
+#ifdef SUPPORT_UTF
+#ifdef SUPPORT_UCP
+ case OP_NOTPROP:
+ case OP_PROP:
+ propdata[0] = XCL_HASPROP;
+ propdata[1] = type == OP_NOTPROP ? XCL_NOTPROP : XCL_PROP;
+ propdata[2] = cc[0];
+ propdata[3] = cc[1];
+ propdata[4] = XCL_END;
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ compile_xclass_matchingpath(common, propdata, backtracks);
+ return cc + 2;
+#endif
+#endif
+
+ case OP_ANYNL:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ read_char_range(common, common->bsr_nlmin, common->bsr_nlmax, FALSE);
+ jump[0] = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
+ /* We don't need to handle soft partial matching case. */
+ end_list = NULL;
+ if (common->mode != JIT_PARTIAL_HARD_COMPILE)
+ add_jump(compiler, &end_list, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
+ else
+ check_str_end(common, &end_list);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+ jump[1] = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_NL);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ jump[2] = JUMP(SLJIT_JUMP);
+ JUMPHERE(jump[0]);
+ check_newlinechar(common, common->bsr_nltype, backtracks, FALSE);
+ set_jumps(end_list, LABEL());
+ JUMPHERE(jump[1]);
+ JUMPHERE(jump[2]);
+ return cc;
+
+ case OP_NOT_HSPACE:
+ case OP_HSPACE:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ read_char_range(common, 0x9, 0x3000, type == OP_NOT_HSPACE);
+ add_jump(compiler, &common->hspace, JUMP(SLJIT_FAST_CALL));
+ sljit_set_current_flags(compiler, SLJIT_SET_Z);
+ add_jump(compiler, backtracks, JUMP(type == OP_NOT_HSPACE ? SLJIT_NOT_ZERO : SLJIT_ZERO));
+ return cc;
+
+ case OP_NOT_VSPACE:
+ case OP_VSPACE:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ read_char_range(common, 0xa, 0x2029, type == OP_NOT_VSPACE);
+ add_jump(compiler, &common->vspace, JUMP(SLJIT_FAST_CALL));
+ sljit_set_current_flags(compiler, SLJIT_SET_Z);
+ add_jump(compiler, backtracks, JUMP(type == OP_NOT_VSPACE ? SLJIT_NOT_ZERO : SLJIT_ZERO));
+ return cc;
+
+#ifdef SUPPORT_UCP
+ case OP_EXTUNI:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ read_char(common);
+ add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, gbprop));
+ /* Optimize register allocation: use a real register. */
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS0, STACK_TOP, 0);
+ OP1(SLJIT_MOV_U8, STACK_TOP, 0, SLJIT_MEM2(TMP1, TMP2), 3);
+
+ label = LABEL();
+ jump[0] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
+ OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0);
+ read_char(common);
+ add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, gbprop));
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM2(TMP1, TMP2), 3);
+
+ OP2(SLJIT_SHL, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 2);
+ OP1(SLJIT_MOV_U32, TMP1, 0, SLJIT_MEM1(STACK_TOP), (sljit_sw)PRIV(ucp_gbtable));
+ OP1(SLJIT_MOV, STACK_TOP, 0, TMP2, 0);
+ OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+
+ OP1(SLJIT_MOV, STR_PTR, 0, TMP3, 0);
+ JUMPHERE(jump[0]);
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+
+ if (common->mode == JIT_PARTIAL_HARD_COMPILE)
+ {
+ jump[0] = CMP(SLJIT_LESS, STR_PTR, 0, STR_END, 0);
+ /* Since we successfully read a char above, partial matching must occure. */
+ check_partial(common, TRUE);
+ JUMPHERE(jump[0]);
+ }
+ return cc;
+#endif
+
+ case OP_CHAR:
+ case OP_CHARI:
+ length = 1;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(*cc)) length += GET_EXTRALEN(*cc);
+#endif
+ if (common->mode == JIT_COMPILE && check_str_ptr
+ && (type == OP_CHAR || !char_has_othercase(common, cc) || char_get_othercase_bit(common, cc) != 0))
+ {
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(length));
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0));
+
+ context.length = IN_UCHARS(length);
+ context.sourcereg = -1;
+#if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
+ context.ucharptr = 0;
+#endif
+ return byte_sequence_compare(common, type == OP_CHARI, cc, &context, backtracks);
+ }
+
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+#ifdef SUPPORT_UTF
+ if (common->utf)
+ {
+ GETCHAR(c, cc);
+ }
+ else
+#endif
+ c = *cc;
+
+ if (type == OP_CHAR || !char_has_othercase(common, cc))
+ {
+ read_char_range(common, c, c, FALSE);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, c));
+ return cc + length;
+ }
+ oc = char_othercase(common, c);
+ read_char_range(common, c < oc ? c : oc, c > oc ? c : oc, FALSE);
+ bit = c ^ oc;
+ if (is_powerof2(bit))
+ {
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, bit);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, c | bit));
+ return cc + length;
+ }
+ jump[0] = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c);
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, oc));
+ JUMPHERE(jump[0]);
+ return cc + length;
+
+ case OP_NOT:
+ case OP_NOTI:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ length = 1;
+#ifdef SUPPORT_UTF
+ if (common->utf)
+ {
+#ifdef COMPILE_PCRE8
+ c = *cc;
+ if (c < 128)
+ {
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
+ if (type == OP_NOT || !char_has_othercase(common, cc))
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c));
+ else
+ {
+ /* Since UTF8 code page is fixed, we know that c is in [a-z] or [A-Z] range. */
+ OP2(SLJIT_OR, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x20);
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, c | 0x20));
+ }
+ /* Skip the variable-length character. */
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ jump[0] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
+ JUMPHERE(jump[0]);
+ return cc + 1;
+ }
+ else
+#endif /* COMPILE_PCRE8 */
+ {
+ GETCHARLEN(c, cc, length);
+ }
+ }
+ else
+#endif /* SUPPORT_UTF */
+ c = *cc;
+
+ if (type == OP_NOT || !char_has_othercase(common, cc))
+ {
+ read_char_range(common, c, c, TRUE);
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c));
+ }
+ else
+ {
+ oc = char_othercase(common, c);
+ read_char_range(common, c < oc ? c : oc, c > oc ? c : oc, TRUE);
+ bit = c ^ oc;
+ if (is_powerof2(bit))
+ {
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, bit);
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c | bit));
+ }
+ else
+ {
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c));
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, oc));
+ }
+ }
+ return cc + length;
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ bit = (common->utf && is_char7_bitset((const sljit_u8 *)cc, type == OP_NCLASS)) ? 127 : 255;
+ read_char_range(common, 0, bit, type == OP_NCLASS);
+#else
+ read_char_range(common, 0, 255, type == OP_NCLASS);
+#endif
+
+ if (check_class_ranges(common, (const sljit_u8 *)cc, type == OP_NCLASS, FALSE, backtracks))
+ return cc + 32 / sizeof(pcre_uchar);
+
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ jump[0] = NULL;
+ if (common->utf)
+ {
+ jump[0] = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, bit);
+ if (type == OP_CLASS)
+ {
+ add_jump(compiler, backtracks, jump[0]);
+ jump[0] = NULL;
+ }
+ }
+#elif !defined COMPILE_PCRE8
+ jump[0] = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255);
+ if (type == OP_CLASS)
+ {
+ add_jump(compiler, backtracks, jump[0]);
+ jump[0] = NULL;
+ }
+#endif /* SUPPORT_UTF && COMPILE_PCRE8 */
+
+ OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);
+ OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);
+ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)cc);
+ OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
+ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
+ add_jump(compiler, backtracks, JUMP(SLJIT_ZERO));
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ if (jump[0] != NULL)
+ JUMPHERE(jump[0]);
+#endif
+ return cc + 32 / sizeof(pcre_uchar);
+
+#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ case OP_XCLASS:
+ if (check_str_ptr)
+ detect_partial_match(common, backtracks);
+ compile_xclass_matchingpath(common, cc + LINK_SIZE, backtracks);
+ return cc + GET(cc, 0) - 1;
+#endif
+ }
+SLJIT_UNREACHABLE();
+return cc;
+}
+
+static SLJIT_INLINE pcre_uchar *compile_charn_matchingpath(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, jump_list **backtracks)
+{
+/* This function consumes at least one input character. */
+/* To decrease the number of length checks, we try to concatenate the fixed length character sequences. */
+DEFINE_COMPILER;
+pcre_uchar *ccbegin = cc;
+compare_context context;
+int size;
+
+context.length = 0;
+do
+ {
+ if (cc >= ccend)
+ break;
+
+ if (*cc == OP_CHAR)
+ {
+ size = 1;
+#ifdef SUPPORT_UTF
+ if (common->utf && HAS_EXTRALEN(cc[1]))
+ size += GET_EXTRALEN(cc[1]);
+#endif
+ }
+ else if (*cc == OP_CHARI)
+ {
+ size = 1;
+#ifdef SUPPORT_UTF
+ if (common->utf)
+ {
+ if (char_has_othercase(common, cc + 1) && char_get_othercase_bit(common, cc + 1) == 0)
+ size = 0;
+ else if (HAS_EXTRALEN(cc[1]))
+ size += GET_EXTRALEN(cc[1]);
+ }
+ else
+#endif
+ if (char_has_othercase(common, cc + 1) && char_get_othercase_bit(common, cc + 1) == 0)
+ size = 0;
+ }
+ else
+ size = 0;
+
+ cc += 1 + size;
+ context.length += IN_UCHARS(size);
+ }
+while (size > 0 && context.length <= 128);
+
+cc = ccbegin;
+if (context.length > 0)
+ {
+ /* We have a fixed-length byte sequence. */
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, context.length);
+ add_jump(compiler, backtracks, CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0));
+
+ context.sourcereg = -1;
+#if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
+ context.ucharptr = 0;
+#endif
+ do cc = byte_sequence_compare(common, *cc == OP_CHARI, cc + 1, &context, backtracks); while (context.length > 0);
+ return cc;
+ }
+
+/* A non-fixed length character will be checked if length == 0. */
+return compile_char1_matchingpath(common, *cc, cc + 1, backtracks, TRUE);
+}
+
+/* Forward definitions. */
+static void compile_matchingpath(compiler_common *, pcre_uchar *, pcre_uchar *, backtrack_common *);
+static void compile_backtrackingpath(compiler_common *, struct backtrack_common *);
+
+#define PUSH_BACKTRACK(size, ccstart, error) \
+ do \
+ { \
+ backtrack = sljit_alloc_memory(compiler, (size)); \
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler))) \
+ return error; \
+ memset(backtrack, 0, size); \
+ backtrack->prev = parent->top; \
+ backtrack->cc = (ccstart); \
+ parent->top = backtrack; \
+ } \
+ while (0)
+
+#define PUSH_BACKTRACK_NOVALUE(size, ccstart) \
+ do \
+ { \
+ backtrack = sljit_alloc_memory(compiler, (size)); \
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler))) \
+ return; \
+ memset(backtrack, 0, size); \
+ backtrack->prev = parent->top; \
+ backtrack->cc = (ccstart); \
+ parent->top = backtrack; \
+ } \
+ while (0)
+
+#define BACKTRACK_AS(type) ((type *)backtrack)
+
+static void compile_dnref_search(compiler_common *common, pcre_uchar *cc, jump_list **backtracks)
+{
+/* The OVECTOR offset goes to TMP2. */
+DEFINE_COMPILER;
+int count = GET2(cc, 1 + IMM2_SIZE);
+pcre_uchar *slot = common->name_table + GET2(cc, 1) * common->name_entry_size;
+unsigned int offset;
+jump_list *found = NULL;
+
+SLJIT_ASSERT(*cc == OP_DNREF || *cc == OP_DNREFI);
+
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(1));
+
+count--;
+while (count-- > 0)
+ {
+ offset = GET2(slot, 0) << 1;
+ GET_LOCAL_BASE(TMP2, 0, OVECTOR(offset));
+ add_jump(compiler, &found, CMP(SLJIT_NOT_EQUAL, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0));
+ slot += common->name_entry_size;
+ }
+
+offset = GET2(slot, 0) << 1;
+GET_LOCAL_BASE(TMP2, 0, OVECTOR(offset));
+if (backtracks != NULL && !common->jscript_compat)
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0));
+
+set_jumps(found, LABEL());
+}
+
+static void compile_ref_matchingpath(compiler_common *common, pcre_uchar *cc, jump_list **backtracks, BOOL withchecks, BOOL emptyfail)
+{
+DEFINE_COMPILER;
+BOOL ref = (*cc == OP_REF || *cc == OP_REFI);
+int offset = 0;
+struct sljit_jump *jump = NULL;
+struct sljit_jump *partial;
+struct sljit_jump *nopartial;
+
+if (ref)
+ {
+ offset = GET2(cc, 1) << 1;
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset));
+ /* OVECTOR(1) contains the "string begin - 1" constant. */
+ if (withchecks && !common->jscript_compat)
+ add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(1)));
+ }
+else
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+
+#if defined SUPPORT_UTF && defined SUPPORT_UCP
+if (common->utf && *cc == OP_REFI)
+ {
+ SLJIT_ASSERT(TMP1 == SLJIT_R0 && STACK_TOP == SLJIT_R1);
+ if (ref)
+ OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ else
+ OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+
+ if (withchecks)
+ jump = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_R2, 0);
+
+ /* No free saved registers so save data on stack. */
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS0, STACK_TOP, 0);
+ OP1(SLJIT_MOV, SLJIT_R1, 0, STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_R3, 0, STR_END, 0);
+ sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW) | SLJIT_ARG3(SW) | SLJIT_ARG4(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_utf_caselesscmp));
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_RETURN_REG, 0);
+
+ if (common->mode == JIT_COMPILE)
+ add_jump(compiler, backtracks, CMP(SLJIT_LESS_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1));
+ else
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z | SLJIT_SET_LESS, SLJIT_UNUSED, 0, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1);
+
+ add_jump(compiler, backtracks, JUMP(SLJIT_LESS));
+
+ nopartial = JUMP(SLJIT_NOT_EQUAL);
+ OP1(SLJIT_MOV, STR_PTR, 0, STR_END, 0);
+ check_partial(common, FALSE);
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+ JUMPHERE(nopartial);
+ }
+ }
+else
+#endif /* SUPPORT_UTF && SUPPORT_UCP */
+ {
+ if (ref)
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), TMP1, 0);
+ else
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw), TMP1, 0);
+
+ if (withchecks)
+ jump = JUMP(SLJIT_ZERO);
+
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
+ partial = CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0);
+ if (common->mode == JIT_COMPILE)
+ add_jump(compiler, backtracks, partial);
+
+ add_jump(compiler, *cc == OP_REF ? &common->casefulcmp : &common->caselesscmp, JUMP(SLJIT_FAST_CALL));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+
+ if (common->mode != JIT_COMPILE)
+ {
+ nopartial = JUMP(SLJIT_JUMP);
+ JUMPHERE(partial);
+ /* TMP2 -= STR_END - STR_PTR */
+ OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, STR_PTR, 0);
+ OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, STR_END, 0);
+ partial = CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0);
+ OP1(SLJIT_MOV, STR_PTR, 0, STR_END, 0);
+ add_jump(compiler, *cc == OP_REF ? &common->casefulcmp : &common->caselesscmp, JUMP(SLJIT_FAST_CALL));
+ add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+ JUMPHERE(partial);
+ check_partial(common, FALSE);
+ add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
+ JUMPHERE(nopartial);
+ }
+ }
+
+if (jump != NULL)
+ {
+ if (emptyfail)
+ add_jump(compiler, backtracks, jump);
+ else
+ JUMPHERE(jump);
+ }
+}
+
+static SLJIT_INLINE pcre_uchar *compile_ref_iterator_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+BOOL ref = (*cc == OP_REF || *cc == OP_REFI);
+backtrack_common *backtrack;
+pcre_uchar type;
+int offset = 0;
+struct sljit_label *label;
+struct sljit_jump *zerolength;
+struct sljit_jump *jump = NULL;
+pcre_uchar *ccbegin = cc;
+int min = 0, max = 0;
+BOOL minimize;
+
+PUSH_BACKTRACK(sizeof(ref_iterator_backtrack), cc, NULL);
+
+if (ref)
+ offset = GET2(cc, 1) << 1;
+else
+ cc += IMM2_SIZE;
+type = cc[1 + IMM2_SIZE];
+
+SLJIT_COMPILE_ASSERT((OP_CRSTAR & 0x1) == 0, crstar_opcode_must_be_even);
+minimize = (type & 0x1) != 0;
+switch(type)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ min = 0;
+ max = 0;
+ cc += 1 + IMM2_SIZE + 1;
+ break;
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ min = 1;
+ max = 0;
+ cc += 1 + IMM2_SIZE + 1;
+ break;
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ min = 0;
+ max = 1;
+ cc += 1 + IMM2_SIZE + 1;
+ break;
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ min = GET2(cc, 1 + IMM2_SIZE + 1);
+ max = GET2(cc, 1 + IMM2_SIZE + 1 + IMM2_SIZE);
+ cc += 1 + IMM2_SIZE + 1 + 2 * IMM2_SIZE;
+ break;
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+
+if (!minimize)
+ {
+ if (min == 0)
+ {
+ allocate_stack(common, 2);
+ if (ref)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 0);
+ /* Temporary release of STR_PTR. */
+ OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
+ /* Handles both invalid and empty cases. Since the minimum repeat,
+ is zero the invalid case is basically the same as an empty case. */
+ if (ref)
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ else
+ {
+ compile_dnref_search(common, ccbegin, NULL);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE1, TMP2, 0);
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
+ /* Restore if not zero length. */
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
+ }
+ else
+ {
+ allocate_stack(common, 1);
+ if (ref)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ if (ref)
+ {
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(1)));
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ }
+ else
+ {
+ compile_dnref_search(common, ccbegin, &backtrack->topbacktracks);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE1, TMP2, 0);
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
+ }
+
+ if (min > 1 || max > 1)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE0, SLJIT_IMM, 0);
+
+ label = LABEL();
+ if (!ref)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), POSSESSIVE1);
+ compile_ref_matchingpath(common, ccbegin, &backtrack->topbacktracks, FALSE, FALSE);
+
+ if (min > 1 || max > 1)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), POSSESSIVE0);
+ OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE0, TMP1, 0);
+ if (min > 1)
+ CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, min, label);
+ if (max > 1)
+ {
+ jump = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, max);
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ JUMPTO(SLJIT_JUMP, label);
+ JUMPHERE(jump);
+ }
+ }
+
+ if (max == 0)
+ {
+ /* Includes min > 1 case as well. */
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ JUMPTO(SLJIT_JUMP, label);
+ }
+
+ JUMPHERE(zerolength);
+ BACKTRACK_AS(ref_iterator_backtrack)->matchingpath = LABEL();
+
+ count_match(common);
+ return cc;
+ }
+
+allocate_stack(common, ref ? 2 : 3);
+if (ref)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset));
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+if (type != OP_CRMINSTAR)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 0);
+
+if (min == 0)
+ {
+ /* Handles both invalid and empty cases. Since the minimum repeat,
+ is zero the invalid case is basically the same as an empty case. */
+ if (ref)
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ else
+ {
+ compile_dnref_search(common, ccbegin, NULL);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), TMP2, 0);
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
+ /* Length is non-zero, we can match real repeats. */
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ jump = JUMP(SLJIT_JUMP);
+ }
+else
+ {
+ if (ref)
+ {
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(1)));
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ }
+ else
+ {
+ compile_dnref_search(common, ccbegin, &backtrack->topbacktracks);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), TMP2, 0);
+ zerolength = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
+ }
+
+BACKTRACK_AS(ref_iterator_backtrack)->matchingpath = LABEL();
+if (max > 0)
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_GREATER_EQUAL, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, max));
+
+if (!ref)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(2));
+compile_ref_matchingpath(common, ccbegin, &backtrack->topbacktracks, TRUE, TRUE);
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+
+if (min > 1)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0);
+ CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, min, BACKTRACK_AS(ref_iterator_backtrack)->matchingpath);
+ }
+else if (max > 0)
+ OP2(SLJIT_ADD, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 1);
+
+if (jump != NULL)
+ JUMPHERE(jump);
+JUMPHERE(zerolength);
+
+count_match(common);
+return cc;
+}
+
+static SLJIT_INLINE pcre_uchar *compile_recurse_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+recurse_entry *entry = common->entries;
+recurse_entry *prev = NULL;
+sljit_sw start = GET(cc, 1);
+pcre_uchar *start_cc;
+BOOL needs_control_head;
+
+PUSH_BACKTRACK(sizeof(recurse_backtrack), cc, NULL);
+
+/* Inlining simple patterns. */
+if (get_framesize(common, common->start + start, NULL, TRUE, &needs_control_head) == no_stack)
+ {
+ start_cc = common->start + start;
+ compile_matchingpath(common, next_opcode(common, start_cc), bracketend(start_cc) - (1 + LINK_SIZE), backtrack);
+ BACKTRACK_AS(recurse_backtrack)->inlined_pattern = TRUE;
+ return cc + 1 + LINK_SIZE;
+ }
+
+while (entry != NULL)
+ {
+ if (entry->start == start)
+ break;
+ prev = entry;
+ entry = entry->next;
+ }
+
+if (entry == NULL)
+ {
+ entry = sljit_alloc_memory(compiler, sizeof(recurse_entry));
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return NULL;
+ entry->next = NULL;
+ entry->entry = NULL;
+ entry->calls = NULL;
+ entry->start = start;
+
+ if (prev != NULL)
+ prev->next = entry;
+ else
+ common->entries = entry;
+ }
+
+if (common->has_set_som && common->mark_ptr != 0)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0));
+ allocate_stack(common, 2);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->mark_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0);
+ }
+else if (common->has_set_som || common->mark_ptr != 0)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->has_set_som ? (int)(OVECTOR(0)) : common->mark_ptr);
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+ }
+
+if (entry->entry == NULL)
+ add_jump(compiler, &entry->calls, JUMP(SLJIT_FAST_CALL));
+else
+ JUMPTO(SLJIT_FAST_CALL, entry->entry);
+/* Leave if the match is failed. */
+add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0));
+return cc + 1 + LINK_SIZE;
+}
+
+static sljit_s32 SLJIT_FUNC do_callout(struct jit_arguments *arguments, PUBL(callout_block) *callout_block, pcre_uchar **jit_ovector)
+{
+const pcre_uchar *begin = arguments->begin;
+int *offset_vector = arguments->offsets;
+int offset_count = arguments->offset_count;
+int i;
+
+if (PUBL(callout) == NULL)
+ return 0;
+
+callout_block->version = 2;
+callout_block->callout_data = arguments->callout_data;
+
+/* Offsets in subject. */
+callout_block->subject_length = arguments->end - arguments->begin;
+callout_block->start_match = (pcre_uchar*)callout_block->subject - arguments->begin;
+callout_block->current_position = (pcre_uchar*)callout_block->offset_vector - arguments->begin;
+#if defined COMPILE_PCRE8
+callout_block->subject = (PCRE_SPTR)begin;
+#elif defined COMPILE_PCRE16
+callout_block->subject = (PCRE_SPTR16)begin;
+#elif defined COMPILE_PCRE32
+callout_block->subject = (PCRE_SPTR32)begin;
+#endif
+
+/* Convert and copy the JIT offset vector to the offset_vector array. */
+callout_block->capture_top = 0;
+callout_block->offset_vector = offset_vector;
+for (i = 2; i < offset_count; i += 2)
+ {
+ offset_vector[i] = jit_ovector[i] - begin;
+ offset_vector[i + 1] = jit_ovector[i + 1] - begin;
+ if (jit_ovector[i] >= begin)
+ callout_block->capture_top = i;
+ }
+
+callout_block->capture_top = (callout_block->capture_top >> 1) + 1;
+if (offset_count > 0)
+ offset_vector[0] = -1;
+if (offset_count > 1)
+ offset_vector[1] = -1;
+return (*PUBL(callout))(callout_block);
+}
+
+/* Aligning to 8 byte. */
+#define CALLOUT_ARG_SIZE \
+ (((int)sizeof(PUBL(callout_block)) + 7) & ~7)
+
+#define CALLOUT_ARG_OFFSET(arg) \
+ SLJIT_OFFSETOF(PUBL(callout_block), arg)
+
+static SLJIT_INLINE pcre_uchar *compile_callout_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+
+PUSH_BACKTRACK(sizeof(backtrack_common), cc, NULL);
+
+allocate_stack(common, CALLOUT_ARG_SIZE / sizeof(sljit_sw));
+
+SLJIT_ASSERT(common->capture_last_ptr != 0);
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr);
+OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(callout_number), SLJIT_IMM, cc[1]);
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(capture_last), TMP2, 0);
+
+/* These pointer sized fields temporarly stores internal variables. */
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0));
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(offset_vector), STR_PTR, 0);
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(subject), TMP2, 0);
+
+if (common->mark_ptr != 0)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, mark_ptr));
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(pattern_position), SLJIT_IMM, GET(cc, 2));
+OP1(SLJIT_MOV_S32, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(next_item_length), SLJIT_IMM, GET(cc, 2 + LINK_SIZE));
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(mark), (common->mark_ptr != 0) ? TMP2 : SLJIT_IMM, 0);
+
+/* Needed to save important temporary registers. */
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS0, STACK_TOP, 0);
+/* SLJIT_R0 = arguments */
+OP1(SLJIT_MOV, SLJIT_R1, 0, STACK_TOP, 0);
+GET_LOCAL_BASE(SLJIT_R2, 0, OVECTOR_START);
+sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(S32) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW) | SLJIT_ARG3(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_callout));
+OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+free_stack(common, CALLOUT_ARG_SIZE / sizeof(sljit_sw));
+
+/* Check return value. */
+OP2(SLJIT_SUB32 | SLJIT_SET_Z | SLJIT_SET_SIG_GREATER, SLJIT_UNUSED, 0, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0);
+add_jump(compiler, &backtrack->topbacktracks, JUMP(SLJIT_SIG_GREATER32));
+if (common->forced_quit_label == NULL)
+ add_jump(compiler, &common->forced_quit, JUMP(SLJIT_NOT_EQUAL32) /* SIG_LESS */);
+else
+ JUMPTO(SLJIT_NOT_EQUAL32 /* SIG_LESS */, common->forced_quit_label);
+return cc + 2 + 2 * LINK_SIZE;
+}
+
+#undef CALLOUT_ARG_SIZE
+#undef CALLOUT_ARG_OFFSET
+
+static SLJIT_INLINE BOOL assert_needs_str_ptr_saving(pcre_uchar *cc)
+{
+while (TRUE)
+ {
+ switch (*cc)
+ {
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_DOLL:
+ case OP_DOLLM:
+ case OP_CALLOUT:
+ case OP_ALT:
+ cc += PRIV(OP_lengths)[*cc];
+ break;
+
+ case OP_KET:
+ return FALSE;
+
+ default:
+ return TRUE;
+ }
+ }
+}
+
+static pcre_uchar *compile_assert_matchingpath(compiler_common *common, pcre_uchar *cc, assert_backtrack *backtrack, BOOL conditional)
+{
+DEFINE_COMPILER;
+int framesize;
+int extrasize;
+BOOL needs_control_head;
+int private_data_ptr;
+backtrack_common altbacktrack;
+pcre_uchar *ccbegin;
+pcre_uchar opcode;
+pcre_uchar bra = OP_BRA;
+jump_list *tmp = NULL;
+jump_list **target = (conditional) ? &backtrack->condfailed : &backtrack->common.topbacktracks;
+jump_list **found;
+/* Saving previous accept variables. */
+BOOL save_local_exit = common->local_exit;
+BOOL save_positive_assert = common->positive_assert;
+then_trap_backtrack *save_then_trap = common->then_trap;
+struct sljit_label *save_quit_label = common->quit_label;
+struct sljit_label *save_accept_label = common->accept_label;
+jump_list *save_quit = common->quit;
+jump_list *save_positive_assert_quit = common->positive_assert_quit;
+jump_list *save_accept = common->accept;
+struct sljit_jump *jump;
+struct sljit_jump *brajump = NULL;
+
+/* Assert captures then. */
+common->then_trap = NULL;
+
+if (*cc == OP_BRAZERO || *cc == OP_BRAMINZERO)
+ {
+ SLJIT_ASSERT(!conditional);
+ bra = *cc;
+ cc++;
+ }
+private_data_ptr = PRIVATE_DATA(cc);
+SLJIT_ASSERT(private_data_ptr != 0);
+framesize = get_framesize(common, cc, NULL, FALSE, &needs_control_head);
+backtrack->framesize = framesize;
+backtrack->private_data_ptr = private_data_ptr;
+opcode = *cc;
+SLJIT_ASSERT(opcode >= OP_ASSERT && opcode <= OP_ASSERTBACK_NOT);
+found = (opcode == OP_ASSERT || opcode == OP_ASSERTBACK) ? &tmp : target;
+ccbegin = cc;
+cc += GET(cc, 1);
+
+if (bra == OP_BRAMINZERO)
+ {
+ /* This is a braminzero backtrack path. */
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ brajump = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0);
+ }
+
+if (framesize < 0)
+ {
+ extrasize = 1;
+ if (bra == OP_BRA && !assert_needs_str_ptr_saving(ccbegin + 1 + LINK_SIZE))
+ extrasize = 0;
+
+ if (needs_control_head)
+ extrasize++;
+
+ if (framesize == no_frame)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STACK_TOP, 0);
+
+ if (extrasize > 0)
+ allocate_stack(common, extrasize);
+
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+
+ if (extrasize > 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+
+ if (needs_control_head)
+ {
+ SLJIT_ASSERT(extrasize == 2);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_IMM, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0);
+ }
+ }
+else
+ {
+ extrasize = needs_control_head ? 3 : 2;
+ allocate_stack(common, framesize + extrasize);
+
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP2(SLJIT_ADD, TMP2, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + extrasize) * sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP2, 0);
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+
+ if (needs_control_head)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), TMP1, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_IMM, 0);
+ }
+ else
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0);
+
+ init_frame(common, ccbegin, NULL, framesize + extrasize - 1, extrasize, FALSE);
+ }
+
+memset(&altbacktrack, 0, sizeof(backtrack_common));
+if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
+ {
+ /* Negative assert is stronger than positive assert. */
+ common->local_exit = TRUE;
+ common->quit_label = NULL;
+ common->quit = NULL;
+ common->positive_assert = FALSE;
+ }
+else
+ common->positive_assert = TRUE;
+common->positive_assert_quit = NULL;
+
+while (1)
+ {
+ common->accept_label = NULL;
+ common->accept = NULL;
+ altbacktrack.top = NULL;
+ altbacktrack.topbacktracks = NULL;
+
+ if (*ccbegin == OP_ALT && extrasize > 0)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+
+ altbacktrack.cc = ccbegin;
+ compile_matchingpath(common, ccbegin + 1 + LINK_SIZE, cc, &altbacktrack);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ {
+ if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
+ {
+ common->local_exit = save_local_exit;
+ common->quit_label = save_quit_label;
+ common->quit = save_quit;
+ }
+ common->positive_assert = save_positive_assert;
+ common->then_trap = save_then_trap;
+ common->accept_label = save_accept_label;
+ common->positive_assert_quit = save_positive_assert_quit;
+ common->accept = save_accept;
+ return NULL;
+ }
+ common->accept_label = LABEL();
+ if (common->accept != NULL)
+ set_jumps(common->accept, common->accept_label);
+
+ /* Reset stack. */
+ if (framesize < 0)
+ {
+ if (framesize == no_frame)
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ else if (extrasize > 0)
+ free_stack(common, extrasize);
+
+ if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), STACK(-1));
+ }
+ else
+ {
+ if ((opcode != OP_ASSERT_NOT && opcode != OP_ASSERTBACK_NOT) || conditional)
+ {
+ /* We don't need to keep the STR_PTR, only the previous private_data_ptr. */
+ OP2(SLJIT_SUB, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_IMM, (framesize + 1) * sizeof(sljit_sw));
+ if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), STACK(-1));
+ }
+ else
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), STACK(-framesize - 2));
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ }
+ }
+
+ if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
+ {
+ /* We know that STR_PTR was stored on the top of the stack. */
+ if (conditional)
+ {
+ if (extrasize > 0)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), needs_control_head ? STACK(-2) : STACK(-1));
+ }
+ else if (bra == OP_BRAZERO)
+ {
+ if (framesize < 0)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(-extrasize));
+ else
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(-framesize - 1));
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(-framesize - extrasize));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP1, 0);
+ }
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ else if (framesize >= 0)
+ {
+ /* For OP_BRA and OP_BRAMINZERO. */
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-framesize - 1));
+ }
+ }
+ add_jump(compiler, found, JUMP(SLJIT_JUMP));
+
+ compile_backtrackingpath(common, altbacktrack.top);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ {
+ if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
+ {
+ common->local_exit = save_local_exit;
+ common->quit_label = save_quit_label;
+ common->quit = save_quit;
+ }
+ common->positive_assert = save_positive_assert;
+ common->then_trap = save_then_trap;
+ common->accept_label = save_accept_label;
+ common->positive_assert_quit = save_positive_assert_quit;
+ common->accept = save_accept;
+ return NULL;
+ }
+ set_jumps(altbacktrack.topbacktracks, LABEL());
+
+ if (*cc != OP_ALT)
+ break;
+
+ ccbegin = cc;
+ cc += GET(cc, 1);
+ }
+
+if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
+ {
+ SLJIT_ASSERT(common->positive_assert_quit == NULL);
+ /* Makes the check less complicated below. */
+ common->positive_assert_quit = common->quit;
+ }
+
+/* None of them matched. */
+if (common->positive_assert_quit != NULL)
+ {
+ jump = JUMP(SLJIT_JUMP);
+ set_jumps(common->positive_assert_quit, LABEL());
+ SLJIT_ASSERT(framesize != no_stack);
+ if (framesize < 0)
+ OP2(SLJIT_SUB, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_IMM, extrasize * sizeof(sljit_sw));
+ else
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + extrasize) * sizeof(sljit_sw));
+ }
+ JUMPHERE(jump);
+ }
+
+if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), STACK(1));
+
+if (opcode == OP_ASSERT || opcode == OP_ASSERTBACK)
+ {
+ /* Assert is failed. */
+ if ((conditional && extrasize > 0) || bra == OP_BRAZERO)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+
+ if (framesize < 0)
+ {
+ /* The topmost item should be 0. */
+ if (bra == OP_BRAZERO)
+ {
+ if (extrasize == 2)
+ free_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ else if (extrasize > 0)
+ free_stack(common, extrasize);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(extrasize - 1));
+ /* The topmost item should be 0. */
+ if (bra == OP_BRAZERO)
+ {
+ free_stack(common, framesize + extrasize - 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ else
+ free_stack(common, framesize + extrasize);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP1, 0);
+ }
+ jump = JUMP(SLJIT_JUMP);
+ if (bra != OP_BRAZERO)
+ add_jump(compiler, target, jump);
+
+ /* Assert is successful. */
+ set_jumps(tmp, LABEL());
+ if (framesize < 0)
+ {
+ /* We know that STR_PTR was stored on the top of the stack. */
+ if (extrasize > 0)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(-extrasize));
+
+ /* Keep the STR_PTR on the top of the stack. */
+ if (bra == OP_BRAZERO)
+ {
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
+ if (extrasize == 2)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ }
+ else if (bra == OP_BRAMINZERO)
+ {
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ }
+ else
+ {
+ if (bra == OP_BRA)
+ {
+ /* We don't need to keep the STR_PTR, only the previous private_data_ptr. */
+ OP2(SLJIT_SUB, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_IMM, (framesize + 1) * sizeof(sljit_sw));
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(-extrasize + 1));
+ }
+ else
+ {
+ /* We don't need to keep the STR_PTR, only the previous private_data_ptr. */
+ OP2(SLJIT_SUB, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_IMM, (framesize + 2) * sizeof(sljit_sw));
+ if (extrasize == 2)
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ if (bra == OP_BRAMINZERO)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), bra == OP_BRAZERO ? STR_PTR : SLJIT_IMM, 0);
+ }
+ }
+ }
+
+ if (bra == OP_BRAZERO)
+ {
+ backtrack->matchingpath = LABEL();
+ SET_LABEL(jump, backtrack->matchingpath);
+ }
+ else if (bra == OP_BRAMINZERO)
+ {
+ JUMPTO(SLJIT_JUMP, backtrack->matchingpath);
+ JUMPHERE(brajump);
+ if (framesize >= 0)
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-framesize - 1));
+ }
+ set_jumps(backtrack->common.topbacktracks, LABEL());
+ }
+ }
+else
+ {
+ /* AssertNot is successful. */
+ if (framesize < 0)
+ {
+ if (extrasize > 0)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+
+ if (bra != OP_BRA)
+ {
+ if (extrasize == 2)
+ free_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ else if (extrasize > 0)
+ free_stack(common, extrasize);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(extrasize - 1));
+ /* The topmost item should be 0. */
+ if (bra != OP_BRA)
+ {
+ free_stack(common, framesize + extrasize - 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ else
+ free_stack(common, framesize + extrasize);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP1, 0);
+ }
+
+ if (bra == OP_BRAZERO)
+ backtrack->matchingpath = LABEL();
+ else if (bra == OP_BRAMINZERO)
+ {
+ JUMPTO(SLJIT_JUMP, backtrack->matchingpath);
+ JUMPHERE(brajump);
+ }
+
+ if (bra != OP_BRA)
+ {
+ SLJIT_ASSERT(found == &backtrack->common.topbacktracks);
+ set_jumps(backtrack->common.topbacktracks, LABEL());
+ backtrack->common.topbacktracks = NULL;
+ }
+ }
+
+if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
+ {
+ common->local_exit = save_local_exit;
+ common->quit_label = save_quit_label;
+ common->quit = save_quit;
+ }
+common->positive_assert = save_positive_assert;
+common->then_trap = save_then_trap;
+common->accept_label = save_accept_label;
+common->positive_assert_quit = save_positive_assert_quit;
+common->accept = save_accept;
+return cc + 1 + LINK_SIZE;
+}
+
+static SLJIT_INLINE void match_once_common(compiler_common *common, pcre_uchar ket, int framesize, int private_data_ptr, BOOL has_alternatives, BOOL needs_control_head)
+{
+DEFINE_COMPILER;
+int stacksize;
+
+if (framesize < 0)
+ {
+ if (framesize == no_frame)
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ else
+ {
+ stacksize = needs_control_head ? 1 : 0;
+ if (ket != OP_KET || has_alternatives)
+ stacksize++;
+
+ if (stacksize > 0)
+ free_stack(common, stacksize);
+ }
+
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), (ket != OP_KET || has_alternatives) ? STACK(-2) : STACK(-1));
+
+ /* TMP2 which is set here used by OP_KETRMAX below. */
+ if (ket == OP_KETRMAX)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(-1));
+ else if (ket == OP_KETRMIN)
+ {
+ /* Move the STR_PTR to the private_data_ptr. */
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-1));
+ }
+ }
+else
+ {
+ stacksize = (ket != OP_KET || has_alternatives) ? 2 : 1;
+ OP2(SLJIT_SUB, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_IMM, (framesize + stacksize) * sizeof(sljit_sw));
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(-1));
+
+ if (ket == OP_KETRMAX)
+ {
+ /* TMP2 which is set here used by OP_KETRMAX below. */
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ }
+ }
+if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, TMP1, 0);
+}
+
+static SLJIT_INLINE int match_capture_common(compiler_common *common, int stacksize, int offset, int private_data_ptr)
+{
+DEFINE_COMPILER;
+
+if (common->capture_last_ptr != 0)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr, SLJIT_IMM, offset >> 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), TMP1, 0);
+ stacksize++;
+ }
+if (common->optimized_cbracket[offset >> 1] == 0)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), TMP1, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize + 1), TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0);
+ stacksize += 2;
+ }
+return stacksize;
+}
+
+/*
+ Handling bracketed expressions is probably the most complex part.
+
+ Stack layout naming characters:
+ S - Push the current STR_PTR
+ 0 - Push a 0 (NULL)
+ A - Push the current STR_PTR. Needed for restoring the STR_PTR
+ before the next alternative. Not pushed if there are no alternatives.
+ M - Any values pushed by the current alternative. Can be empty, or anything.
+ C - Push the previous OVECTOR(i), OVECTOR(i+1) and OVECTOR_PRIV(i) to the stack.
+ L - Push the previous local (pointed by localptr) to the stack
+ () - opional values stored on the stack
+ ()* - optonal, can be stored multiple times
+
+ The following list shows the regular expression templates, their PCRE byte codes
+ and stack layout supported by pcre-sljit.
+
+ (?:) OP_BRA | OP_KET A M
+ () OP_CBRA | OP_KET C M
+ (?:)+ OP_BRA | OP_KETRMAX 0 A M S ( A M S )*
+ OP_SBRA | OP_KETRMAX 0 L M S ( L M S )*
+ (?:)+? OP_BRA | OP_KETRMIN 0 A M S ( A M S )*
+ OP_SBRA | OP_KETRMIN 0 L M S ( L M S )*
+ ()+ OP_CBRA | OP_KETRMAX 0 C M S ( C M S )*
+ OP_SCBRA | OP_KETRMAX 0 C M S ( C M S )*
+ ()+? OP_CBRA | OP_KETRMIN 0 C M S ( C M S )*
+ OP_SCBRA | OP_KETRMIN 0 C M S ( C M S )*
+ (?:)? OP_BRAZERO | OP_BRA | OP_KET S ( A M 0 )
+ (?:)?? OP_BRAMINZERO | OP_BRA | OP_KET S ( A M 0 )
+ ()? OP_BRAZERO | OP_CBRA | OP_KET S ( C M 0 )
+ ()?? OP_BRAMINZERO | OP_CBRA | OP_KET S ( C M 0 )
+ (?:)* OP_BRAZERO | OP_BRA | OP_KETRMAX S 0 ( A M S )*
+ OP_BRAZERO | OP_SBRA | OP_KETRMAX S 0 ( L M S )*
+ (?:)*? OP_BRAMINZERO | OP_BRA | OP_KETRMIN S 0 ( A M S )*
+ OP_BRAMINZERO | OP_SBRA | OP_KETRMIN S 0 ( L M S )*
+ ()* OP_BRAZERO | OP_CBRA | OP_KETRMAX S 0 ( C M S )*
+ OP_BRAZERO | OP_SCBRA | OP_KETRMAX S 0 ( C M S )*
+ ()*? OP_BRAMINZERO | OP_CBRA | OP_KETRMIN S 0 ( C M S )*
+ OP_BRAMINZERO | OP_SCBRA | OP_KETRMIN S 0 ( C M S )*
+
+
+ Stack layout naming characters:
+ A - Push the alternative index (starting from 0) on the stack.
+ Not pushed if there is no alternatives.
+ M - Any values pushed by the current alternative. Can be empty, or anything.
+
+ The next list shows the possible content of a bracket:
+ (|) OP_*BRA | OP_ALT ... M A
+ (?()|) OP_*COND | OP_ALT M A
+ (?>|) OP_ONCE | OP_ALT ... [stack trace] M A
+ (?>|) OP_ONCE_NC | OP_ALT ... [stack trace] M A
+ Or nothing, if trace is unnecessary
+*/
+
+static pcre_uchar *compile_bracket_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+pcre_uchar opcode;
+int private_data_ptr = 0;
+int offset = 0;
+int i, stacksize;
+int repeat_ptr = 0, repeat_length = 0;
+int repeat_type = 0, repeat_count = 0;
+pcre_uchar *ccbegin;
+pcre_uchar *matchingpath;
+pcre_uchar *slot;
+pcre_uchar bra = OP_BRA;
+pcre_uchar ket;
+assert_backtrack *assert;
+BOOL has_alternatives;
+BOOL needs_control_head = FALSE;
+struct sljit_jump *jump;
+struct sljit_jump *skip;
+struct sljit_label *rmax_label = NULL;
+struct sljit_jump *braminzero = NULL;
+
+PUSH_BACKTRACK(sizeof(bracket_backtrack), cc, NULL);
+
+if (*cc == OP_BRAZERO || *cc == OP_BRAMINZERO)
+ {
+ bra = *cc;
+ cc++;
+ opcode = *cc;
+ }
+
+opcode = *cc;
+ccbegin = cc;
+matchingpath = bracketend(cc) - 1 - LINK_SIZE;
+ket = *matchingpath;
+if (ket == OP_KET && PRIVATE_DATA(matchingpath) != 0)
+ {
+ repeat_ptr = PRIVATE_DATA(matchingpath);
+ repeat_length = PRIVATE_DATA(matchingpath + 1);
+ repeat_type = PRIVATE_DATA(matchingpath + 2);
+ repeat_count = PRIVATE_DATA(matchingpath + 3);
+ SLJIT_ASSERT(repeat_length != 0 && repeat_type != 0 && repeat_count != 0);
+ if (repeat_type == OP_UPTO)
+ ket = OP_KETRMAX;
+ if (repeat_type == OP_MINUPTO)
+ ket = OP_KETRMIN;
+ }
+
+if ((opcode == OP_COND || opcode == OP_SCOND) && cc[1 + LINK_SIZE] == OP_DEF)
+ {
+ /* Drop this bracket_backtrack. */
+ parent->top = backtrack->prev;
+ return matchingpath + 1 + LINK_SIZE + repeat_length;
+ }
+
+matchingpath = ccbegin + 1 + LINK_SIZE;
+SLJIT_ASSERT(ket == OP_KET || ket == OP_KETRMAX || ket == OP_KETRMIN);
+SLJIT_ASSERT(!((bra == OP_BRAZERO && ket == OP_KETRMIN) || (bra == OP_BRAMINZERO && ket == OP_KETRMAX)));
+cc += GET(cc, 1);
+
+has_alternatives = *cc == OP_ALT;
+if (SLJIT_UNLIKELY(opcode == OP_COND || opcode == OP_SCOND))
+ has_alternatives = (*matchingpath == OP_RREF || *matchingpath == OP_DNRREF || *matchingpath == OP_FAIL) ? FALSE : TRUE;
+
+if (SLJIT_UNLIKELY(opcode == OP_COND) && (*cc == OP_KETRMAX || *cc == OP_KETRMIN))
+ opcode = OP_SCOND;
+if (SLJIT_UNLIKELY(opcode == OP_ONCE_NC))
+ opcode = OP_ONCE;
+
+if (opcode == OP_CBRA || opcode == OP_SCBRA)
+ {
+ /* Capturing brackets has a pre-allocated space. */
+ offset = GET2(ccbegin, 1 + LINK_SIZE);
+ if (common->optimized_cbracket[offset] == 0)
+ {
+ private_data_ptr = OVECTOR_PRIV(offset);
+ offset <<= 1;
+ }
+ else
+ {
+ offset <<= 1;
+ private_data_ptr = OVECTOR(offset);
+ }
+ BACKTRACK_AS(bracket_backtrack)->private_data_ptr = private_data_ptr;
+ matchingpath += IMM2_SIZE;
+ }
+else if (opcode == OP_ONCE || opcode == OP_SBRA || opcode == OP_SCOND)
+ {
+ /* Other brackets simply allocate the next entry. */
+ private_data_ptr = PRIVATE_DATA(ccbegin);
+ SLJIT_ASSERT(private_data_ptr != 0);
+ BACKTRACK_AS(bracket_backtrack)->private_data_ptr = private_data_ptr;
+ if (opcode == OP_ONCE)
+ BACKTRACK_AS(bracket_backtrack)->u.framesize = get_framesize(common, ccbegin, NULL, FALSE, &needs_control_head);
+ }
+
+/* Instructions before the first alternative. */
+stacksize = 0;
+if (ket == OP_KETRMAX || (ket == OP_KETRMIN && bra != OP_BRAMINZERO))
+ stacksize++;
+if (bra == OP_BRAZERO)
+ stacksize++;
+
+if (stacksize > 0)
+ allocate_stack(common, stacksize);
+
+stacksize = 0;
+if (ket == OP_KETRMAX || (ket == OP_KETRMIN && bra != OP_BRAMINZERO))
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), SLJIT_IMM, 0);
+ stacksize++;
+ }
+
+if (bra == OP_BRAZERO)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), STR_PTR, 0);
+
+if (bra == OP_BRAMINZERO)
+ {
+ /* This is a backtrack path! (Since the try-path of OP_BRAMINZERO matches to the empty string) */
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ if (ket != OP_KETRMIN)
+ {
+ free_stack(common, 1);
+ braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0);
+ }
+ else
+ {
+ if (opcode == OP_ONCE || opcode >= OP_SBRA)
+ {
+ jump = CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0);
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ /* Nothing stored during the first run. */
+ skip = JUMP(SLJIT_JUMP);
+ JUMPHERE(jump);
+ /* Checking zero-length iteration. */
+ if (opcode != OP_ONCE || BACKTRACK_AS(bracket_backtrack)->u.framesize < 0)
+ {
+ /* When we come from outside, private_data_ptr contains the previous STR_PTR. */
+ braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ }
+ else
+ {
+ /* Except when the whole stack frame must be saved. */
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_MEM1(TMP1), STACK(-BACKTRACK_AS(bracket_backtrack)->u.framesize - 2));
+ }
+ JUMPHERE(skip);
+ }
+ else
+ {
+ jump = CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0);
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ JUMPHERE(jump);
+ }
+ }
+ }
+
+if (repeat_type != 0)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_IMM, repeat_count);
+ if (repeat_type == OP_EXACT)
+ rmax_label = LABEL();
+ }
+
+if (ket == OP_KETRMIN)
+ BACKTRACK_AS(bracket_backtrack)->recursive_matchingpath = LABEL();
+
+if (ket == OP_KETRMAX)
+ {
+ rmax_label = LABEL();
+ if (has_alternatives && opcode != OP_ONCE && opcode < OP_SBRA && repeat_type == 0)
+ BACKTRACK_AS(bracket_backtrack)->alternative_matchingpath = rmax_label;
+ }
+
+/* Handling capturing brackets and alternatives. */
+if (opcode == OP_ONCE)
+ {
+ stacksize = 0;
+ if (needs_control_head)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ stacksize++;
+ }
+
+ if (BACKTRACK_AS(bracket_backtrack)->u.framesize < 0)
+ {
+ /* Neither capturing brackets nor recursions are found in the block. */
+ if (ket == OP_KETRMIN)
+ {
+ stacksize += 2;
+ if (!needs_control_head)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ }
+ else
+ {
+ if (BACKTRACK_AS(bracket_backtrack)->u.framesize == no_frame)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STACK_TOP, 0);
+ if (ket == OP_KETRMAX || has_alternatives)
+ stacksize++;
+ }
+
+ if (stacksize > 0)
+ allocate_stack(common, stacksize);
+
+ stacksize = 0;
+ if (needs_control_head)
+ {
+ stacksize++;
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+ }
+
+ if (ket == OP_KETRMIN)
+ {
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), STR_PTR, 0);
+ if (BACKTRACK_AS(bracket_backtrack)->u.framesize == no_frame)
+ OP2(SLJIT_ADD, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STACK_TOP, 0, SLJIT_IMM, needs_control_head ? (2 * sizeof(sljit_sw)) : sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize + 1), TMP2, 0);
+ }
+ else if (ket == OP_KETRMAX || has_alternatives)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), STR_PTR, 0);
+ }
+ else
+ {
+ if (ket != OP_KET || has_alternatives)
+ stacksize++;
+
+ stacksize += BACKTRACK_AS(bracket_backtrack)->u.framesize + 1;
+ allocate_stack(common, stacksize);
+
+ if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP2(SLJIT_ADD, TMP2, 0, STACK_TOP, 0, SLJIT_IMM, stacksize * sizeof(sljit_sw));
+
+ stacksize = needs_control_head ? 1 : 0;
+ if (ket != OP_KET || has_alternatives)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP2, 0);
+ stacksize++;
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), TMP1, 0);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), TMP1, 0);
+ }
+ init_frame(common, ccbegin, NULL, BACKTRACK_AS(bracket_backtrack)->u.framesize + stacksize, stacksize + 1, FALSE);
+ }
+ }
+else if (opcode == OP_CBRA || opcode == OP_SCBRA)
+ {
+ /* Saving the previous values. */
+ if (common->optimized_cbracket[offset >> 1] != 0)
+ {
+ SLJIT_ASSERT(private_data_ptr == OVECTOR(offset));
+ allocate_stack(common, 2);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr + sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP1, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP2, 0);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+ }
+ }
+else if (opcode == OP_SBRA || opcode == OP_SCOND)
+ {
+ /* Saving the previous value. */
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+ }
+else if (has_alternatives)
+ {
+ /* Pushing the starting string pointer. */
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ }
+
+/* Generating code for the first alternative. */
+if (opcode == OP_COND || opcode == OP_SCOND)
+ {
+ if (*matchingpath == OP_CREF)
+ {
+ SLJIT_ASSERT(has_alternatives);
+ add_jump(compiler, &(BACKTRACK_AS(bracket_backtrack)->u.condfailed),
+ CMP(SLJIT_EQUAL, SLJIT_MEM1(SLJIT_SP), OVECTOR(GET2(matchingpath, 1) << 1), SLJIT_MEM1(SLJIT_SP), OVECTOR(1)));
+ matchingpath += 1 + IMM2_SIZE;
+ }
+ else if (*matchingpath == OP_DNCREF)
+ {
+ SLJIT_ASSERT(has_alternatives);
+
+ i = GET2(matchingpath, 1 + IMM2_SIZE);
+ slot = common->name_table + GET2(matchingpath, 1) * common->name_entry_size;
+ OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(1));
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(GET2(slot, 0) << 1), TMP1, 0);
+ slot += common->name_entry_size;
+ i--;
+ while (i-- > 0)
+ {
+ OP2(SLJIT_SUB, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(GET2(slot, 0) << 1), TMP1, 0);
+ OP2(SLJIT_OR | SLJIT_SET_Z, TMP2, 0, TMP2, 0, STR_PTR, 0);
+ slot += common->name_entry_size;
+ }
+ OP1(SLJIT_MOV, STR_PTR, 0, TMP3, 0);
+ add_jump(compiler, &(BACKTRACK_AS(bracket_backtrack)->u.condfailed), JUMP(SLJIT_ZERO));
+ matchingpath += 1 + 2 * IMM2_SIZE;
+ }
+ else if (*matchingpath == OP_RREF || *matchingpath == OP_DNRREF || *matchingpath == OP_FAIL)
+ {
+ /* Never has other case. */
+ BACKTRACK_AS(bracket_backtrack)->u.condfailed = NULL;
+ SLJIT_ASSERT(!has_alternatives);
+
+ if (*matchingpath == OP_FAIL)
+ stacksize = 0;
+ else if (*matchingpath == OP_RREF)
+ {
+ stacksize = GET2(matchingpath, 1);
+ if (common->currententry == NULL)
+ stacksize = 0;
+ else if (stacksize == RREF_ANY)
+ stacksize = 1;
+ else if (common->currententry->start == 0)
+ stacksize = stacksize == 0;
+ else
+ stacksize = stacksize == (int)GET2(common->start, common->currententry->start + 1 + LINK_SIZE);
+
+ if (stacksize != 0)
+ matchingpath += 1 + IMM2_SIZE;
+ }
+ else
+ {
+ if (common->currententry == NULL || common->currententry->start == 0)
+ stacksize = 0;
+ else
+ {
+ stacksize = GET2(matchingpath, 1 + IMM2_SIZE);
+ slot = common->name_table + GET2(matchingpath, 1) * common->name_entry_size;
+ i = (int)GET2(common->start, common->currententry->start + 1 + LINK_SIZE);
+ while (stacksize > 0)
+ {
+ if ((int)GET2(slot, 0) == i)
+ break;
+ slot += common->name_entry_size;
+ stacksize--;
+ }
+ }
+
+ if (stacksize != 0)
+ matchingpath += 1 + 2 * IMM2_SIZE;
+ }
+
+ /* The stacksize == 0 is a common "else" case. */
+ if (stacksize == 0)
+ {
+ if (*cc == OP_ALT)
+ {
+ matchingpath = cc + 1 + LINK_SIZE;
+ cc += GET(cc, 1);
+ }
+ else
+ matchingpath = cc;
+ }
+ }
+ else
+ {
+ SLJIT_ASSERT(has_alternatives && *matchingpath >= OP_ASSERT && *matchingpath <= OP_ASSERTBACK_NOT);
+ /* Similar code as PUSH_BACKTRACK macro. */
+ assert = sljit_alloc_memory(compiler, sizeof(assert_backtrack));
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return NULL;
+ memset(assert, 0, sizeof(assert_backtrack));
+ assert->common.cc = matchingpath;
+ BACKTRACK_AS(bracket_backtrack)->u.assert = assert;
+ matchingpath = compile_assert_matchingpath(common, matchingpath, assert, TRUE);
+ }
+ }
+
+compile_matchingpath(common, matchingpath, cc, backtrack);
+if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return NULL;
+
+if (opcode == OP_ONCE)
+ match_once_common(common, ket, BACKTRACK_AS(bracket_backtrack)->u.framesize, private_data_ptr, has_alternatives, needs_control_head);
+
+stacksize = 0;
+if (repeat_type == OP_MINUPTO)
+ {
+ /* We need to preserve the counter. TMP2 will be used below. */
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), repeat_ptr);
+ stacksize++;
+ }
+if (ket != OP_KET || bra != OP_BRA)
+ stacksize++;
+if (offset != 0)
+ {
+ if (common->capture_last_ptr != 0)
+ stacksize++;
+ if (common->optimized_cbracket[offset >> 1] == 0)
+ stacksize += 2;
+ }
+if (has_alternatives && opcode != OP_ONCE)
+ stacksize++;
+
+if (stacksize > 0)
+ allocate_stack(common, stacksize);
+
+stacksize = 0;
+if (repeat_type == OP_MINUPTO)
+ {
+ /* TMP2 was set above. */
+ OP2(SLJIT_SUB, SLJIT_MEM1(STACK_TOP), STACK(stacksize), TMP2, 0, SLJIT_IMM, 1);
+ stacksize++;
+ }
+
+if (ket != OP_KET || bra != OP_BRA)
+ {
+ if (ket != OP_KET)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), STR_PTR, 0);
+ else
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), SLJIT_IMM, 0);
+ stacksize++;
+ }
+
+if (offset != 0)
+ stacksize = match_capture_common(common, stacksize, offset, private_data_ptr);
+
+if (has_alternatives)
+ {
+ if (opcode != OP_ONCE)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), SLJIT_IMM, 0);
+ if (ket != OP_KETRMAX)
+ BACKTRACK_AS(bracket_backtrack)->alternative_matchingpath = LABEL();
+ }
+
+/* Must be after the matchingpath label. */
+if (offset != 0 && common->optimized_cbracket[offset >> 1] != 0)
+ {
+ SLJIT_ASSERT(private_data_ptr == OVECTOR(offset + 0));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), STR_PTR, 0);
+ }
+
+if (ket == OP_KETRMAX)
+ {
+ if (repeat_type != 0)
+ {
+ if (has_alternatives)
+ BACKTRACK_AS(bracket_backtrack)->alternative_matchingpath = LABEL();
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, rmax_label);
+ /* Drop STR_PTR for greedy plus quantifier. */
+ if (opcode != OP_ONCE)
+ free_stack(common, 1);
+ }
+ else if (opcode == OP_ONCE || opcode >= OP_SBRA)
+ {
+ if (has_alternatives)
+ BACKTRACK_AS(bracket_backtrack)->alternative_matchingpath = LABEL();
+ /* Checking zero-length iteration. */
+ if (opcode != OP_ONCE)
+ {
+ CMPTO(SLJIT_NOT_EQUAL, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STR_PTR, 0, rmax_label);
+ /* Drop STR_PTR for greedy plus quantifier. */
+ if (bra != OP_BRAZERO)
+ free_stack(common, 1);
+ }
+ else
+ /* TMP2 must contain the starting STR_PTR. */
+ CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, STR_PTR, 0, rmax_label);
+ }
+ else
+ JUMPTO(SLJIT_JUMP, rmax_label);
+ BACKTRACK_AS(bracket_backtrack)->recursive_matchingpath = LABEL();
+ }
+
+if (repeat_type == OP_EXACT)
+ {
+ count_match(common);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, rmax_label);
+ }
+else if (repeat_type == OP_UPTO)
+ {
+ /* We need to preserve the counter. */
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), repeat_ptr);
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+ }
+
+if (bra == OP_BRAZERO)
+ BACKTRACK_AS(bracket_backtrack)->zero_matchingpath = LABEL();
+
+if (bra == OP_BRAMINZERO)
+ {
+ /* This is a backtrack path! (From the viewpoint of OP_BRAMINZERO) */
+ JUMPTO(SLJIT_JUMP, ((braminzero_backtrack *)parent)->matchingpath);
+ if (braminzero != NULL)
+ {
+ JUMPHERE(braminzero);
+ /* We need to release the end pointer to perform the
+ backtrack for the zero-length iteration. When
+ framesize is < 0, OP_ONCE will do the release itself. */
+ if (opcode == OP_ONCE && BACKTRACK_AS(bracket_backtrack)->u.framesize >= 0)
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ }
+ else if (ket == OP_KETRMIN && opcode != OP_ONCE)
+ free_stack(common, 1);
+ }
+ /* Continue to the normal backtrack. */
+ }
+
+if ((ket != OP_KET && bra != OP_BRAMINZERO) || bra == OP_BRAZERO)
+ count_match(common);
+
+/* Skip the other alternatives. */
+while (*cc == OP_ALT)
+ cc += GET(cc, 1);
+cc += 1 + LINK_SIZE;
+
+if (opcode == OP_ONCE)
+ {
+ /* We temporarily encode the needs_control_head in the lowest bit.
+ Note: on the target architectures of SLJIT the ((x << 1) >> 1) returns
+ the same value for small signed numbers (including negative numbers). */
+ BACKTRACK_AS(bracket_backtrack)->u.framesize = (BACKTRACK_AS(bracket_backtrack)->u.framesize << 1) | (needs_control_head ? 1 : 0);
+ }
+return cc + repeat_length;
+}
+
+static pcre_uchar *compile_bracketpos_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+pcre_uchar opcode;
+int private_data_ptr;
+int cbraprivptr = 0;
+BOOL needs_control_head;
+int framesize;
+int stacksize;
+int offset = 0;
+BOOL zero = FALSE;
+pcre_uchar *ccbegin = NULL;
+int stack; /* Also contains the offset of control head. */
+struct sljit_label *loop = NULL;
+struct jump_list *emptymatch = NULL;
+
+PUSH_BACKTRACK(sizeof(bracketpos_backtrack), cc, NULL);
+if (*cc == OP_BRAPOSZERO)
+ {
+ zero = TRUE;
+ cc++;
+ }
+
+opcode = *cc;
+private_data_ptr = PRIVATE_DATA(cc);
+SLJIT_ASSERT(private_data_ptr != 0);
+BACKTRACK_AS(bracketpos_backtrack)->private_data_ptr = private_data_ptr;
+switch(opcode)
+ {
+ case OP_BRAPOS:
+ case OP_SBRAPOS:
+ ccbegin = cc + 1 + LINK_SIZE;
+ break;
+
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ offset = GET2(cc, 1 + LINK_SIZE);
+ /* This case cannot be optimized in the same was as
+ normal capturing brackets. */
+ SLJIT_ASSERT(common->optimized_cbracket[offset] == 0);
+ cbraprivptr = OVECTOR_PRIV(offset);
+ offset <<= 1;
+ ccbegin = cc + 1 + LINK_SIZE + IMM2_SIZE;
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+
+framesize = get_framesize(common, cc, NULL, FALSE, &needs_control_head);
+BACKTRACK_AS(bracketpos_backtrack)->framesize = framesize;
+if (framesize < 0)
+ {
+ if (offset != 0)
+ {
+ stacksize = 2;
+ if (common->capture_last_ptr != 0)
+ stacksize++;
+ }
+ else
+ stacksize = 1;
+
+ if (needs_control_head)
+ stacksize++;
+ if (!zero)
+ stacksize++;
+
+ BACKTRACK_AS(bracketpos_backtrack)->stacksize = stacksize;
+ allocate_stack(common, stacksize);
+ if (framesize == no_frame)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STACK_TOP, 0);
+
+ stack = 0;
+ if (offset != 0)
+ {
+ stack = 2;
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP1, 0);
+ if (common->capture_last_ptr != 0)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP2, 0);
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ if (common->capture_last_ptr != 0)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), TMP1, 0);
+ stack = 3;
+ }
+ }
+ else
+ {
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ stack = 1;
+ }
+
+ if (needs_control_head)
+ stack++;
+ if (!zero)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stack), SLJIT_IMM, 1);
+ if (needs_control_head)
+ {
+ stack--;
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stack), TMP2, 0);
+ }
+ }
+else
+ {
+ stacksize = framesize + 1;
+ if (!zero)
+ stacksize++;
+ if (needs_control_head)
+ stacksize++;
+ if (offset == 0)
+ stacksize++;
+ BACKTRACK_AS(bracketpos_backtrack)->stacksize = stacksize;
+
+ allocate_stack(common, stacksize);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ if (needs_control_head)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ OP2(SLJIT_ADD, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STACK_TOP, 0, SLJIT_IMM, stacksize * sizeof(sljit_sw));
+
+ stack = 0;
+ if (!zero)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 1);
+ stack = 1;
+ }
+ if (needs_control_head)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stack), TMP2, 0);
+ stack++;
+ }
+ if (offset == 0)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stack), STR_PTR, 0);
+ stack++;
+ }
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stack), TMP1, 0);
+ init_frame(common, cc, NULL, stacksize - 1, stacksize - framesize, FALSE);
+ stack -= 1 + (offset == 0);
+ }
+
+if (offset != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), cbraprivptr, STR_PTR, 0);
+
+loop = LABEL();
+while (*cc != OP_KETRPOS)
+ {
+ backtrack->top = NULL;
+ backtrack->topbacktracks = NULL;
+ cc += GET(cc, 1);
+
+ compile_matchingpath(common, ccbegin, cc, backtrack);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return NULL;
+
+ if (framesize < 0)
+ {
+ if (framesize == no_frame)
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+
+ if (offset != 0)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), cbraprivptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), cbraprivptr, STR_PTR, 0);
+ if (common->capture_last_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr, SLJIT_IMM, offset >> 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0);
+ }
+ else
+ {
+ if (opcode == OP_SBRAPOS)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ }
+
+ /* Even if the match is empty, we need to reset the control head. */
+ if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), STACK(stack));
+
+ if (opcode == OP_SBRAPOS || opcode == OP_SCBRAPOS)
+ add_jump(compiler, &emptymatch, CMP(SLJIT_EQUAL, TMP1, 0, STR_PTR, 0));
+
+ if (!zero)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize - 1), SLJIT_IMM, 0);
+ }
+ else
+ {
+ if (offset != 0)
+ {
+ OP2(SLJIT_SUB, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_IMM, stacksize * sizeof(sljit_sw));
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), cbraprivptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), cbraprivptr, STR_PTR, 0);
+ if (common->capture_last_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr, SLJIT_IMM, offset >> 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP2(SLJIT_SUB, STACK_TOP, 0, TMP2, 0, SLJIT_IMM, stacksize * sizeof(sljit_sw));
+ if (opcode == OP_SBRAPOS)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), STACK(-framesize - 2));
+ OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), STACK(-framesize - 2), STR_PTR, 0);
+ }
+
+ /* Even if the match is empty, we need to reset the control head. */
+ if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), STACK(stack));
+
+ if (opcode == OP_SBRAPOS || opcode == OP_SCBRAPOS)
+ add_jump(compiler, &emptymatch, CMP(SLJIT_EQUAL, TMP1, 0, STR_PTR, 0));
+
+ if (!zero)
+ {
+ if (framesize < 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize - 1), SLJIT_IMM, 0);
+ else
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ }
+ }
+
+ JUMPTO(SLJIT_JUMP, loop);
+ flush_stubs(common);
+
+ compile_backtrackingpath(common, backtrack->top);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return NULL;
+ set_jumps(backtrack->topbacktracks, LABEL());
+
+ if (framesize < 0)
+ {
+ if (offset != 0)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), cbraprivptr);
+ else
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ }
+ else
+ {
+ if (offset != 0)
+ {
+ /* Last alternative. */
+ if (*cc == OP_KETRPOS)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), cbraprivptr);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(TMP2), STACK(-framesize - 2));
+ }
+ }
+
+ if (*cc == OP_KETRPOS)
+ break;
+ ccbegin = cc + 1 + LINK_SIZE;
+ }
+
+/* We don't have to restore the control head in case of a failed match. */
+
+backtrack->topbacktracks = NULL;
+if (!zero)
+ {
+ if (framesize < 0)
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_NOT_EQUAL, SLJIT_MEM1(STACK_TOP), STACK(stacksize - 1), SLJIT_IMM, 0));
+ else /* TMP2 is set to [private_data_ptr] above. */
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_NOT_EQUAL, SLJIT_MEM1(TMP2), STACK(-stacksize), SLJIT_IMM, 0));
+ }
+
+/* None of them matched. */
+set_jumps(emptymatch, LABEL());
+count_match(common);
+return cc + 1 + LINK_SIZE;
+}
+
+static SLJIT_INLINE pcre_uchar *get_iterator_parameters(compiler_common *common, pcre_uchar *cc, pcre_uchar *opcode, pcre_uchar *type, sljit_u32 *max, sljit_u32 *exact, pcre_uchar **end)
+{
+int class_len;
+
+*opcode = *cc;
+*exact = 0;
+
+if (*opcode >= OP_STAR && *opcode <= OP_POSUPTO)
+ {
+ cc++;
+ *type = OP_CHAR;
+ }
+else if (*opcode >= OP_STARI && *opcode <= OP_POSUPTOI)
+ {
+ cc++;
+ *type = OP_CHARI;
+ *opcode -= OP_STARI - OP_STAR;
+ }
+else if (*opcode >= OP_NOTSTAR && *opcode <= OP_NOTPOSUPTO)
+ {
+ cc++;
+ *type = OP_NOT;
+ *opcode -= OP_NOTSTAR - OP_STAR;
+ }
+else if (*opcode >= OP_NOTSTARI && *opcode <= OP_NOTPOSUPTOI)
+ {
+ cc++;
+ *type = OP_NOTI;
+ *opcode -= OP_NOTSTARI - OP_STAR;
+ }
+else if (*opcode >= OP_TYPESTAR && *opcode <= OP_TYPEPOSUPTO)
+ {
+ cc++;
+ *opcode -= OP_TYPESTAR - OP_STAR;
+ *type = OP_END;
+ }
+else
+ {
+ SLJIT_ASSERT(*opcode == OP_CLASS || *opcode == OP_NCLASS || *opcode == OP_XCLASS);
+ *type = *opcode;
+ cc++;
+ class_len = (*type < OP_XCLASS) ? (int)(1 + (32 / sizeof(pcre_uchar))) : GET(cc, 0);
+ *opcode = cc[class_len - 1];
+
+ if (*opcode >= OP_CRSTAR && *opcode <= OP_CRMINQUERY)
+ {
+ *opcode -= OP_CRSTAR - OP_STAR;
+ *end = cc + class_len;
+
+ if (*opcode == OP_PLUS || *opcode == OP_MINPLUS)
+ {
+ *exact = 1;
+ *opcode -= OP_PLUS - OP_STAR;
+ }
+ }
+ else if (*opcode >= OP_CRPOSSTAR && *opcode <= OP_CRPOSQUERY)
+ {
+ *opcode -= OP_CRPOSSTAR - OP_POSSTAR;
+ *end = cc + class_len;
+
+ if (*opcode == OP_POSPLUS)
+ {
+ *exact = 1;
+ *opcode = OP_POSSTAR;
+ }
+ }
+ else
+ {
+ SLJIT_ASSERT(*opcode == OP_CRRANGE || *opcode == OP_CRMINRANGE || *opcode == OP_CRPOSRANGE);
+ *max = GET2(cc, (class_len + IMM2_SIZE));
+ *exact = GET2(cc, class_len);
+
+ if (*max == 0)
+ {
+ if (*opcode == OP_CRPOSRANGE)
+ *opcode = OP_POSSTAR;
+ else
+ *opcode -= OP_CRRANGE - OP_STAR;
+ }
+ else
+ {
+ *max -= *exact;
+ if (*max == 0)
+ *opcode = OP_EXACT;
+ else if (*max == 1)
+ {
+ if (*opcode == OP_CRPOSRANGE)
+ *opcode = OP_POSQUERY;
+ else
+ *opcode -= OP_CRRANGE - OP_QUERY;
+ }
+ else
+ {
+ if (*opcode == OP_CRPOSRANGE)
+ *opcode = OP_POSUPTO;
+ else
+ *opcode -= OP_CRRANGE - OP_UPTO;
+ }
+ }
+ *end = cc + class_len + 2 * IMM2_SIZE;
+ }
+ return cc;
+ }
+
+switch(*opcode)
+ {
+ case OP_EXACT:
+ *exact = GET2(cc, 0);
+ cc += IMM2_SIZE;
+ break;
+
+ case OP_PLUS:
+ case OP_MINPLUS:
+ *exact = 1;
+ *opcode -= OP_PLUS - OP_STAR;
+ break;
+
+ case OP_POSPLUS:
+ *exact = 1;
+ *opcode = OP_POSSTAR;
+ break;
+
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_POSUPTO:
+ *max = GET2(cc, 0);
+ cc += IMM2_SIZE;
+ break;
+ }
+
+if (*type == OP_END)
+ {
+ *type = *cc;
+ *end = next_opcode(common, cc);
+ cc++;
+ return cc;
+ }
+
+*end = cc + 1;
+#ifdef SUPPORT_UTF
+if (common->utf && HAS_EXTRALEN(*cc)) *end += GET_EXTRALEN(*cc);
+#endif
+return cc;
+}
+
+static pcre_uchar *compile_iterator_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+pcre_uchar opcode;
+pcre_uchar type;
+sljit_u32 max = 0, exact;
+BOOL fast_fail;
+sljit_s32 fast_str_ptr;
+BOOL charpos_enabled;
+pcre_uchar charpos_char;
+unsigned int charpos_othercasebit;
+pcre_uchar *end;
+jump_list *no_match = NULL;
+jump_list *no_char1_match = NULL;
+struct sljit_jump *jump = NULL;
+struct sljit_label *label;
+int private_data_ptr = PRIVATE_DATA(cc);
+int base = (private_data_ptr == 0) ? SLJIT_MEM1(STACK_TOP) : SLJIT_MEM1(SLJIT_SP);
+int offset0 = (private_data_ptr == 0) ? STACK(0) : private_data_ptr;
+int offset1 = (private_data_ptr == 0) ? STACK(1) : private_data_ptr + (int)sizeof(sljit_sw);
+int tmp_base, tmp_offset;
+
+PUSH_BACKTRACK(sizeof(char_iterator_backtrack), cc, NULL);
+
+fast_str_ptr = PRIVATE_DATA(cc + 1);
+fast_fail = TRUE;
+
+SLJIT_ASSERT(common->fast_forward_bc_ptr == NULL || fast_str_ptr == 0 || cc == common->fast_forward_bc_ptr);
+
+if (cc == common->fast_forward_bc_ptr)
+ fast_fail = FALSE;
+else if (common->fast_fail_start_ptr == 0)
+ fast_str_ptr = 0;
+
+SLJIT_ASSERT(common->fast_forward_bc_ptr != NULL || fast_str_ptr == 0
+ || (fast_str_ptr >= common->fast_fail_start_ptr && fast_str_ptr <= common->fast_fail_end_ptr));
+
+cc = get_iterator_parameters(common, cc, &opcode, &type, &max, &exact, &end);
+
+if (type != OP_EXTUNI)
+ {
+ tmp_base = TMP3;
+ tmp_offset = 0;
+ }
+else
+ {
+ tmp_base = SLJIT_MEM1(SLJIT_SP);
+ tmp_offset = POSSESSIVE0;
+ }
+
+if (fast_fail && fast_str_ptr != 0)
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), fast_str_ptr));
+
+/* Handle fixed part first. */
+if (exact > 1)
+ {
+ SLJIT_ASSERT(fast_str_ptr == 0);
+ if (common->mode == JIT_COMPILE
+#ifdef SUPPORT_UTF
+ && !common->utf
+#endif
+ )
+ {
+ OP2(SLJIT_ADD, TMP1, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(exact));
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_GREATER, TMP1, 0, STR_END, 0));
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, exact);
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &backtrack->topbacktracks, FALSE);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, exact);
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &backtrack->topbacktracks, TRUE);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ }
+ }
+else if (exact == 1)
+ compile_char1_matchingpath(common, type, cc, &backtrack->topbacktracks, TRUE);
+
+switch(opcode)
+ {
+ case OP_STAR:
+ case OP_UPTO:
+ SLJIT_ASSERT(fast_str_ptr == 0 || opcode == OP_STAR);
+
+ if (type == OP_ANYNL || type == OP_EXTUNI)
+ {
+ SLJIT_ASSERT(private_data_ptr == 0);
+ SLJIT_ASSERT(fast_str_ptr == 0);
+
+ allocate_stack(common, 2);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 0);
+
+ if (opcode == OP_UPTO)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE0, SLJIT_IMM, max);
+
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &BACKTRACK_AS(char_iterator_backtrack)->u.backtracks, TRUE);
+ if (opcode == OP_UPTO)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), POSSESSIVE0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ jump = JUMP(SLJIT_ZERO);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE0, TMP1, 0);
+ }
+
+ /* We cannot use TMP3 because of this allocate_stack. */
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ JUMPTO(SLJIT_JUMP, label);
+ if (jump != NULL)
+ JUMPHERE(jump);
+ }
+ else
+ {
+ charpos_enabled = FALSE;
+ charpos_char = 0;
+ charpos_othercasebit = 0;
+
+ if ((type != OP_CHAR && type != OP_CHARI) && (*end == OP_CHAR || *end == OP_CHARI))
+ {
+ charpos_enabled = TRUE;
+#ifdef SUPPORT_UTF
+ charpos_enabled = !common->utf || !HAS_EXTRALEN(end[1]);
+#endif
+ if (charpos_enabled && *end == OP_CHARI && char_has_othercase(common, end + 1))
+ {
+ charpos_othercasebit = char_get_othercase_bit(common, end + 1);
+ if (charpos_othercasebit == 0)
+ charpos_enabled = FALSE;
+ }
+
+ if (charpos_enabled)
+ {
+ charpos_char = end[1];
+ /* Consumpe the OP_CHAR opcode. */
+ end += 2;
+#if defined COMPILE_PCRE8
+ SLJIT_ASSERT((charpos_othercasebit >> 8) == 0);
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SLJIT_ASSERT((charpos_othercasebit >> 9) == 0);
+ if ((charpos_othercasebit & 0x100) != 0)
+ charpos_othercasebit = (charpos_othercasebit & 0xff) << 8;
+#endif
+ if (charpos_othercasebit != 0)
+ charpos_char |= charpos_othercasebit;
+
+ BACKTRACK_AS(char_iterator_backtrack)->u.charpos.enabled = TRUE;
+ BACKTRACK_AS(char_iterator_backtrack)->u.charpos.chr = charpos_char;
+ BACKTRACK_AS(char_iterator_backtrack)->u.charpos.othercasebit = charpos_othercasebit;
+ }
+ }
+
+ if (charpos_enabled)
+ {
+ if (opcode == OP_UPTO)
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, max + 1);
+
+ /* Search the first instance of charpos_char. */
+ jump = JUMP(SLJIT_JUMP);
+ label = LABEL();
+ if (opcode == OP_UPTO)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ add_jump(compiler, &backtrack->topbacktracks, JUMP(SLJIT_ZERO));
+ }
+ compile_char1_matchingpath(common, type, cc, &backtrack->topbacktracks, FALSE);
+ if (fast_str_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), fast_str_ptr, STR_PTR, 0);
+ JUMPHERE(jump);
+
+ detect_partial_match(common, &backtrack->topbacktracks);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ if (charpos_othercasebit != 0)
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, charpos_othercasebit);
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, charpos_char, label);
+
+ if (private_data_ptr == 0)
+ allocate_stack(common, 2);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ OP1(SLJIT_MOV, base, offset1, STR_PTR, 0);
+ if (opcode == OP_UPTO)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ add_jump(compiler, &no_match, JUMP(SLJIT_ZERO));
+ }
+
+ /* Search the last instance of charpos_char. */
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &no_match, FALSE);
+ if (fast_str_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), fast_str_ptr, STR_PTR, 0);
+ detect_partial_match(common, &no_match);
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
+ if (charpos_othercasebit != 0)
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, charpos_othercasebit);
+ if (opcode == OP_STAR)
+ {
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, charpos_char, label);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ }
+ else
+ {
+ jump = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, charpos_char);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ JUMPHERE(jump);
+ }
+
+ if (opcode == OP_UPTO)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ }
+ else
+ JUMPTO(SLJIT_JUMP, label);
+
+ set_jumps(no_match, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ }
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ else if (common->utf)
+ {
+ if (private_data_ptr == 0)
+ allocate_stack(common, 2);
+
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ OP1(SLJIT_MOV, base, offset1, STR_PTR, 0);
+
+ if (opcode == OP_UPTO)
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, max);
+
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &no_match, TRUE);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+
+ if (opcode == OP_UPTO)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ }
+ else
+ JUMPTO(SLJIT_JUMP, label);
+
+ set_jumps(no_match, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ if (fast_str_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), fast_str_ptr, STR_PTR, 0);
+ }
+#endif
+ else
+ {
+ if (private_data_ptr == 0)
+ allocate_stack(common, 2);
+
+ OP1(SLJIT_MOV, base, offset1, STR_PTR, 0);
+ if (opcode == OP_UPTO)
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, max);
+
+ label = LABEL();
+ detect_partial_match(common, &no_match);
+ compile_char1_matchingpath(common, type, cc, &no_char1_match, FALSE);
+ if (opcode == OP_UPTO)
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ }
+ else
+ JUMPTO(SLJIT_JUMP, label);
+
+ set_jumps(no_char1_match, LABEL());
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ set_jumps(no_match, LABEL());
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ if (fast_str_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), fast_str_ptr, STR_PTR, 0);
+ }
+ }
+ BACKTRACK_AS(char_iterator_backtrack)->matchingpath = LABEL();
+ break;
+
+ case OP_MINSTAR:
+ if (private_data_ptr == 0)
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ BACKTRACK_AS(char_iterator_backtrack)->matchingpath = LABEL();
+ if (fast_str_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), fast_str_ptr, STR_PTR, 0);
+ break;
+
+ case OP_MINUPTO:
+ SLJIT_ASSERT(fast_str_ptr == 0);
+ if (private_data_ptr == 0)
+ allocate_stack(common, 2);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ OP1(SLJIT_MOV, base, offset1, SLJIT_IMM, max + 1);
+ BACKTRACK_AS(char_iterator_backtrack)->matchingpath = LABEL();
+ break;
+
+ case OP_QUERY:
+ case OP_MINQUERY:
+ SLJIT_ASSERT(fast_str_ptr == 0);
+ if (private_data_ptr == 0)
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ if (opcode == OP_QUERY)
+ compile_char1_matchingpath(common, type, cc, &BACKTRACK_AS(char_iterator_backtrack)->u.backtracks, TRUE);
+ BACKTRACK_AS(char_iterator_backtrack)->matchingpath = LABEL();
+ break;
+
+ case OP_EXACT:
+ break;
+
+ case OP_POSSTAR:
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (common->utf)
+ {
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, STR_PTR, 0);
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &no_match, TRUE);
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, STR_PTR, 0);
+ JUMPTO(SLJIT_JUMP, label);
+ set_jumps(no_match, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, tmp_base, tmp_offset);
+ if (fast_str_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), fast_str_ptr, STR_PTR, 0);
+ break;
+ }
+#endif
+ label = LABEL();
+ detect_partial_match(common, &no_match);
+ compile_char1_matchingpath(common, type, cc, &no_char1_match, FALSE);
+ JUMPTO(SLJIT_JUMP, label);
+ set_jumps(no_char1_match, LABEL());
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ set_jumps(no_match, LABEL());
+ if (fast_str_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), fast_str_ptr, STR_PTR, 0);
+ break;
+
+ case OP_POSUPTO:
+ SLJIT_ASSERT(fast_str_ptr == 0);
+#if defined SUPPORT_UTF && !defined COMPILE_PCRE32
+ if (common->utf)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE1, STR_PTR, 0);
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, max);
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &no_match, TRUE);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), POSSESSIVE1, STR_PTR, 0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ set_jumps(no_match, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), POSSESSIVE1);
+ break;
+ }
+#endif
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, max);
+ label = LABEL();
+ detect_partial_match(common, &no_match);
+ compile_char1_matchingpath(common, type, cc, &no_char1_match, FALSE);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_NOT_ZERO, label);
+ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ set_jumps(no_char1_match, LABEL());
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+ set_jumps(no_match, LABEL());
+ break;
+
+ case OP_POSQUERY:
+ SLJIT_ASSERT(fast_str_ptr == 0);
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, STR_PTR, 0);
+ compile_char1_matchingpath(common, type, cc, &no_match, TRUE);
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, STR_PTR, 0);
+ set_jumps(no_match, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, tmp_base, tmp_offset);
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+
+count_match(common);
+return end;
+}
+
+static SLJIT_INLINE pcre_uchar *compile_fail_accept_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+
+PUSH_BACKTRACK(sizeof(backtrack_common), cc, NULL);
+
+if (*cc == OP_FAIL)
+ {
+ add_jump(compiler, &backtrack->topbacktracks, JUMP(SLJIT_JUMP));
+ return cc + 1;
+ }
+
+if (*cc == OP_ASSERT_ACCEPT || common->currententry != NULL || !common->might_be_empty)
+ {
+ /* No need to check notempty conditions. */
+ if (common->accept_label == NULL)
+ add_jump(compiler, &common->accept, JUMP(SLJIT_JUMP));
+ else
+ JUMPTO(SLJIT_JUMP, common->accept_label);
+ return cc + 1;
+ }
+
+if (common->accept_label == NULL)
+ add_jump(compiler, &common->accept, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0)));
+else
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0), common->accept_label);
+OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, notempty));
+add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, notempty_atstart));
+if (common->accept_label == NULL)
+ add_jump(compiler, &common->accept, CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0));
+else
+ CMPTO(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0, common->accept_label);
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
+if (common->accept_label == NULL)
+ add_jump(compiler, &common->accept, CMP(SLJIT_NOT_EQUAL, TMP2, 0, STR_PTR, 0));
+else
+ CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, STR_PTR, 0, common->accept_label);
+add_jump(compiler, &backtrack->topbacktracks, JUMP(SLJIT_JUMP));
+return cc + 1;
+}
+
+static SLJIT_INLINE pcre_uchar *compile_close_matchingpath(compiler_common *common, pcre_uchar *cc)
+{
+DEFINE_COMPILER;
+int offset = GET2(cc, 1);
+BOOL optimized_cbracket = common->optimized_cbracket[offset] != 0;
+
+/* Data will be discarded anyway... */
+if (common->currententry != NULL)
+ return cc + 1 + IMM2_SIZE;
+
+if (!optimized_cbracket)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR_PRIV(offset));
+offset <<= 1;
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), STR_PTR, 0);
+if (!optimized_cbracket)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0);
+return cc + 1 + IMM2_SIZE;
+}
+
+static SLJIT_INLINE pcre_uchar *compile_control_verb_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+pcre_uchar opcode = *cc;
+pcre_uchar *ccend = cc + 1;
+
+if (opcode == OP_PRUNE_ARG || opcode == OP_SKIP_ARG || opcode == OP_THEN_ARG)
+ ccend += 2 + cc[1];
+
+PUSH_BACKTRACK(sizeof(backtrack_common), cc, NULL);
+
+if (opcode == OP_SKIP)
+ {
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ return ccend;
+ }
+
+if (opcode == OP_PRUNE_ARG || opcode == OP_THEN_ARG)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_sw)(cc + 2));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->mark_ptr, TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, mark_ptr), TMP2, 0);
+ }
+
+return ccend;
+}
+
+static pcre_uchar then_trap_opcode[1] = { OP_THEN_TRAP };
+
+static SLJIT_INLINE void compile_then_trap_matchingpath(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+BOOL needs_control_head;
+int size;
+
+PUSH_BACKTRACK_NOVALUE(sizeof(then_trap_backtrack), cc);
+common->then_trap = BACKTRACK_AS(then_trap_backtrack);
+BACKTRACK_AS(then_trap_backtrack)->common.cc = then_trap_opcode;
+BACKTRACK_AS(then_trap_backtrack)->start = (sljit_sw)(cc - common->start);
+BACKTRACK_AS(then_trap_backtrack)->framesize = get_framesize(common, cc, ccend, FALSE, &needs_control_head);
+
+size = BACKTRACK_AS(then_trap_backtrack)->framesize;
+size = 3 + (size < 0 ? 0 : size);
+
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+allocate_stack(common, size);
+if (size > 3)
+ OP2(SLJIT_ADD, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, STACK_TOP, 0, SLJIT_IMM, (size - 3) * sizeof(sljit_sw));
+else
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, STACK_TOP, 0);
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(size - 1), SLJIT_IMM, BACKTRACK_AS(then_trap_backtrack)->start);
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(size - 2), SLJIT_IMM, type_then_trap);
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(size - 3), TMP2, 0);
+
+size = BACKTRACK_AS(then_trap_backtrack)->framesize;
+if (size >= 0)
+ init_frame(common, cc, ccend, size - 1, 0, FALSE);
+}
+
+static void compile_matchingpath(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, backtrack_common *parent)
+{
+DEFINE_COMPILER;
+backtrack_common *backtrack;
+BOOL has_then_trap = FALSE;
+then_trap_backtrack *save_then_trap = NULL;
+
+SLJIT_ASSERT(*ccend == OP_END || (*ccend >= OP_ALT && *ccend <= OP_KETRPOS));
+
+if (common->has_then && common->then_offsets[cc - common->start] != 0)
+ {
+ SLJIT_ASSERT(*ccend != OP_END && common->control_head_ptr != 0);
+ has_then_trap = TRUE;
+ save_then_trap = common->then_trap;
+ /* Tail item on backtrack. */
+ compile_then_trap_matchingpath(common, cc, ccend, parent);
+ }
+
+while (cc < ccend)
+ {
+ switch(*cc)
+ {
+ case OP_SOD:
+ case OP_SOM:
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ case OP_EODN:
+ case OP_EOD:
+ case OP_DOLL:
+ case OP_DOLLM:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_REVERSE:
+ cc = compile_simple_assertion_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks);
+ break;
+
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+ case OP_ANY:
+ case OP_ALLANY:
+ case OP_ANYBYTE:
+ case OP_NOTPROP:
+ case OP_PROP:
+ case OP_ANYNL:
+ case OP_NOT_HSPACE:
+ case OP_HSPACE:
+ case OP_NOT_VSPACE:
+ case OP_VSPACE:
+ case OP_EXTUNI:
+ case OP_NOT:
+ case OP_NOTI:
+ cc = compile_char1_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE);
+ break;
+
+ case OP_SET_SOM:
+ PUSH_BACKTRACK_NOVALUE(sizeof(backtrack_common), cc);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0));
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(0), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0);
+ cc++;
+ break;
+
+ case OP_CHAR:
+ case OP_CHARI:
+ if (common->mode == JIT_COMPILE)
+ cc = compile_charn_matchingpath(common, cc, ccend, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks);
+ else
+ cc = compile_char1_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE);
+ break;
+
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_EXACT:
+ case OP_POSSTAR:
+ case OP_POSPLUS:
+ case OP_POSQUERY:
+ case OP_POSUPTO:
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_EXACTI:
+ case OP_POSSTARI:
+ case OP_POSPLUSI:
+ case OP_POSQUERYI:
+ case OP_POSUPTOI:
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTQUERY:
+ case OP_NOTMINQUERY:
+ case OP_NOTUPTO:
+ case OP_NOTMINUPTO:
+ case OP_NOTEXACT:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSUPTO:
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERYI:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTOI:
+ case OP_NOTEXACTI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSUPTOI:
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEEXACT:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ case OP_TYPEPOSUPTO:
+ cc = compile_iterator_matchingpath(common, cc, parent);
+ break;
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ if (cc[1 + (32 / sizeof(pcre_uchar))] >= OP_CRSTAR && cc[1 + (32 / sizeof(pcre_uchar))] <= OP_CRPOSRANGE)
+ cc = compile_iterator_matchingpath(common, cc, parent);
+ else
+ cc = compile_char1_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE);
+ break;
+
+#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ case OP_XCLASS:
+ if (*(cc + GET(cc, 1)) >= OP_CRSTAR && *(cc + GET(cc, 1)) <= OP_CRPOSRANGE)
+ cc = compile_iterator_matchingpath(common, cc, parent);
+ else
+ cc = compile_char1_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE);
+ break;
+#endif
+
+ case OP_REF:
+ case OP_REFI:
+ if (cc[1 + IMM2_SIZE] >= OP_CRSTAR && cc[1 + IMM2_SIZE] <= OP_CRPOSRANGE)
+ cc = compile_ref_iterator_matchingpath(common, cc, parent);
+ else
+ {
+ compile_ref_matchingpath(common, cc, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE, FALSE);
+ cc += 1 + IMM2_SIZE;
+ }
+ break;
+
+ case OP_DNREF:
+ case OP_DNREFI:
+ if (cc[1 + 2 * IMM2_SIZE] >= OP_CRSTAR && cc[1 + 2 * IMM2_SIZE] <= OP_CRPOSRANGE)
+ cc = compile_ref_iterator_matchingpath(common, cc, parent);
+ else
+ {
+ compile_dnref_search(common, cc, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks);
+ compile_ref_matchingpath(common, cc, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE, FALSE);
+ cc += 1 + 2 * IMM2_SIZE;
+ }
+ break;
+
+ case OP_RECURSE:
+ cc = compile_recurse_matchingpath(common, cc, parent);
+ break;
+
+ case OP_CALLOUT:
+ cc = compile_callout_matchingpath(common, cc, parent);
+ break;
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ PUSH_BACKTRACK_NOVALUE(sizeof(assert_backtrack), cc);
+ cc = compile_assert_matchingpath(common, cc, BACKTRACK_AS(assert_backtrack), FALSE);
+ break;
+
+ case OP_BRAMINZERO:
+ PUSH_BACKTRACK_NOVALUE(sizeof(braminzero_backtrack), cc);
+ cc = bracketend(cc + 1);
+ if (*(cc - 1 - LINK_SIZE) != OP_KETRMIN)
+ {
+ allocate_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+ }
+ else
+ {
+ allocate_stack(common, 2);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), STR_PTR, 0);
+ }
+ BACKTRACK_AS(braminzero_backtrack)->matchingpath = LABEL();
+ count_match(common);
+ break;
+
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRA:
+ case OP_CBRA:
+ case OP_COND:
+ case OP_SBRA:
+ case OP_SCBRA:
+ case OP_SCOND:
+ cc = compile_bracket_matchingpath(common, cc, parent);
+ break;
+
+ case OP_BRAZERO:
+ if (cc[1] > OP_ASSERTBACK_NOT)
+ cc = compile_bracket_matchingpath(common, cc, parent);
+ else
+ {
+ PUSH_BACKTRACK_NOVALUE(sizeof(assert_backtrack), cc);
+ cc = compile_assert_matchingpath(common, cc, BACKTRACK_AS(assert_backtrack), FALSE);
+ }
+ break;
+
+ case OP_BRAPOS:
+ case OP_CBRAPOS:
+ case OP_SBRAPOS:
+ case OP_SCBRAPOS:
+ case OP_BRAPOSZERO:
+ cc = compile_bracketpos_matchingpath(common, cc, parent);
+ break;
+
+ case OP_MARK:
+ PUSH_BACKTRACK_NOVALUE(sizeof(backtrack_common), cc);
+ SLJIT_ASSERT(common->mark_ptr != 0);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), common->mark_ptr);
+ allocate_stack(common, common->has_skip_arg ? 5 : 1);
+ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(common->has_skip_arg ? 4 : 0), TMP2, 0);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_sw)(cc + 2));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->mark_ptr, TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, mark_ptr), TMP2, 0);
+ if (common->has_skip_arg)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, STACK_TOP, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, type_mark);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), SLJIT_IMM, (sljit_sw)(cc + 2));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(3), STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP1, 0);
+ }
+ cc += 1 + 2 + cc[1];
+ break;
+
+ case OP_PRUNE:
+ case OP_PRUNE_ARG:
+ case OP_SKIP:
+ case OP_SKIP_ARG:
+ case OP_THEN:
+ case OP_THEN_ARG:
+ case OP_COMMIT:
+ cc = compile_control_verb_matchingpath(common, cc, parent);
+ break;
+
+ case OP_FAIL:
+ case OP_ACCEPT:
+ case OP_ASSERT_ACCEPT:
+ cc = compile_fail_accept_matchingpath(common, cc, parent);
+ break;
+
+ case OP_CLOSE:
+ cc = compile_close_matchingpath(common, cc);
+ break;
+
+ case OP_SKIPZERO:
+ cc = bracketend(cc + 1);
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ return;
+ }
+ if (cc == NULL)
+ return;
+ }
+
+if (has_then_trap)
+ {
+ /* Head item on backtrack. */
+ PUSH_BACKTRACK_NOVALUE(sizeof(then_trap_backtrack), cc);
+ BACKTRACK_AS(then_trap_backtrack)->common.cc = then_trap_opcode;
+ BACKTRACK_AS(then_trap_backtrack)->then_trap = common->then_trap;
+ common->then_trap = save_then_trap;
+ }
+SLJIT_ASSERT(cc == ccend);
+}
+
+#undef PUSH_BACKTRACK
+#undef PUSH_BACKTRACK_NOVALUE
+#undef BACKTRACK_AS
+
+#define COMPILE_BACKTRACKINGPATH(current) \
+ do \
+ { \
+ compile_backtrackingpath(common, (current)); \
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler))) \
+ return; \
+ } \
+ while (0)
+
+#define CURRENT_AS(type) ((type *)current)
+
+static void compile_iterator_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+pcre_uchar *cc = current->cc;
+pcre_uchar opcode;
+pcre_uchar type;
+sljit_u32 max = 0, exact;
+struct sljit_label *label = NULL;
+struct sljit_jump *jump = NULL;
+jump_list *jumplist = NULL;
+pcre_uchar *end;
+int private_data_ptr = PRIVATE_DATA(cc);
+int base = (private_data_ptr == 0) ? SLJIT_MEM1(STACK_TOP) : SLJIT_MEM1(SLJIT_SP);
+int offset0 = (private_data_ptr == 0) ? STACK(0) : private_data_ptr;
+int offset1 = (private_data_ptr == 0) ? STACK(1) : private_data_ptr + (int)sizeof(sljit_sw);
+
+cc = get_iterator_parameters(common, cc, &opcode, &type, &max, &exact, &end);
+
+switch(opcode)
+ {
+ case OP_STAR:
+ case OP_UPTO:
+ if (type == OP_ANYNL || type == OP_EXTUNI)
+ {
+ SLJIT_ASSERT(private_data_ptr == 0);
+ set_jumps(CURRENT_AS(char_iterator_backtrack)->u.backtracks, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+ }
+ else
+ {
+ if (CURRENT_AS(char_iterator_backtrack)->u.charpos.enabled)
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ OP1(SLJIT_MOV, TMP2, 0, base, offset1);
+ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
+
+ jump = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0);
+ label = LABEL();
+ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ if (CURRENT_AS(char_iterator_backtrack)->u.charpos.othercasebit != 0)
+ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, CURRENT_AS(char_iterator_backtrack)->u.charpos.othercasebit);
+ CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CURRENT_AS(char_iterator_backtrack)->u.charpos.chr, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+ skip_char_back(common);
+ CMPTO(SLJIT_GREATER, STR_PTR, 0, TMP2, 0, label);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ jump = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, base, offset1);
+ skip_char_back(common);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+ }
+ JUMPHERE(jump);
+ if (private_data_ptr == 0)
+ free_stack(common, 2);
+ }
+ break;
+
+ case OP_MINSTAR:
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ compile_char1_matchingpath(common, type, cc, &jumplist, TRUE);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+ set_jumps(jumplist, LABEL());
+ if (private_data_ptr == 0)
+ free_stack(common, 1);
+ break;
+
+ case OP_MINUPTO:
+ OP1(SLJIT_MOV, TMP1, 0, base, offset1);
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ OP2(SLJIT_SUB | SLJIT_SET_Z, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+ add_jump(compiler, &jumplist, JUMP(SLJIT_ZERO));
+
+ OP1(SLJIT_MOV, base, offset1, TMP1, 0);
+ compile_char1_matchingpath(common, type, cc, &jumplist, TRUE);
+ OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+
+ set_jumps(jumplist, LABEL());
+ if (private_data_ptr == 0)
+ free_stack(common, 2);
+ break;
+
+ case OP_QUERY:
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ OP1(SLJIT_MOV, base, offset0, SLJIT_IMM, 0);
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+ jump = JUMP(SLJIT_JUMP);
+ set_jumps(CURRENT_AS(char_iterator_backtrack)->u.backtracks, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ OP1(SLJIT_MOV, base, offset0, SLJIT_IMM, 0);
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+ JUMPHERE(jump);
+ if (private_data_ptr == 0)
+ free_stack(common, 1);
+ break;
+
+ case OP_MINQUERY:
+ OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
+ OP1(SLJIT_MOV, base, offset0, SLJIT_IMM, 0);
+ jump = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0);
+ compile_char1_matchingpath(common, type, cc, &jumplist, TRUE);
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(char_iterator_backtrack)->matchingpath);
+ set_jumps(jumplist, LABEL());
+ JUMPHERE(jump);
+ if (private_data_ptr == 0)
+ free_stack(common, 1);
+ break;
+
+ case OP_EXACT:
+ case OP_POSSTAR:
+ case OP_POSQUERY:
+ case OP_POSUPTO:
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+
+set_jumps(current->topbacktracks, LABEL());
+}
+
+static SLJIT_INLINE void compile_ref_iterator_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+pcre_uchar *cc = current->cc;
+BOOL ref = (*cc == OP_REF || *cc == OP_REFI);
+pcre_uchar type;
+
+type = cc[ref ? 1 + IMM2_SIZE : 1 + 2 * IMM2_SIZE];
+
+if ((type & 0x1) == 0)
+ {
+ /* Maximize case. */
+ set_jumps(current->topbacktracks, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(ref_iterator_backtrack)->matchingpath);
+ return;
+ }
+
+OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(ref_iterator_backtrack)->matchingpath);
+set_jumps(current->topbacktracks, LABEL());
+free_stack(common, ref ? 2 : 3);
+}
+
+static SLJIT_INLINE void compile_recurse_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+
+if (CURRENT_AS(recurse_backtrack)->inlined_pattern)
+ compile_backtrackingpath(common, current->top);
+set_jumps(current->topbacktracks, LABEL());
+if (CURRENT_AS(recurse_backtrack)->inlined_pattern)
+ return;
+
+if (common->has_set_som && common->mark_ptr != 0)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ free_stack(common, 2);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(0), TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->mark_ptr, TMP1, 0);
+ }
+else if (common->has_set_som || common->mark_ptr != 0)
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->has_set_som ? (int)(OVECTOR(0)) : common->mark_ptr, TMP2, 0);
+ }
+}
+
+static void compile_assert_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+pcre_uchar *cc = current->cc;
+pcre_uchar bra = OP_BRA;
+struct sljit_jump *brajump = NULL;
+
+SLJIT_ASSERT(*cc != OP_BRAMINZERO);
+if (*cc == OP_BRAZERO)
+ {
+ bra = *cc;
+ cc++;
+ }
+
+if (bra == OP_BRAZERO)
+ {
+ SLJIT_ASSERT(current->topbacktracks == NULL);
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ }
+
+if (CURRENT_AS(assert_backtrack)->framesize < 0)
+ {
+ set_jumps(current->topbacktracks, LABEL());
+
+ if (bra == OP_BRAZERO)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(assert_backtrack)->matchingpath);
+ free_stack(common, 1);
+ }
+ return;
+ }
+
+if (bra == OP_BRAZERO)
+ {
+ if (*cc == OP_ASSERT_NOT || *cc == OP_ASSERTBACK_NOT)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(assert_backtrack)->matchingpath);
+ free_stack(common, 1);
+ return;
+ }
+ free_stack(common, 1);
+ brajump = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0);
+ }
+
+if (*cc == OP_ASSERT || *cc == OP_ASSERTBACK)
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), CURRENT_AS(assert_backtrack)->private_data_ptr);
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), CURRENT_AS(assert_backtrack)->private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-CURRENT_AS(assert_backtrack)->framesize - 1));
+
+ set_jumps(current->topbacktracks, LABEL());
+ }
+else
+ set_jumps(current->topbacktracks, LABEL());
+
+if (bra == OP_BRAZERO)
+ {
+ /* We know there is enough place on the stack. */
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(assert_backtrack)->matchingpath);
+ JUMPHERE(brajump);
+ }
+}
+
+static void compile_bracket_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+int opcode, stacksize, alt_count, alt_max;
+int offset = 0;
+int private_data_ptr = CURRENT_AS(bracket_backtrack)->private_data_ptr;
+int repeat_ptr = 0, repeat_type = 0, repeat_count = 0;
+pcre_uchar *cc = current->cc;
+pcre_uchar *ccbegin;
+pcre_uchar *ccprev;
+pcre_uchar bra = OP_BRA;
+pcre_uchar ket;
+assert_backtrack *assert;
+sljit_uw *next_update_addr = NULL;
+BOOL has_alternatives;
+BOOL needs_control_head = FALSE;
+struct sljit_jump *brazero = NULL;
+struct sljit_jump *alt1 = NULL;
+struct sljit_jump *alt2 = NULL;
+struct sljit_jump *once = NULL;
+struct sljit_jump *cond = NULL;
+struct sljit_label *rmin_label = NULL;
+struct sljit_label *exact_label = NULL;
+
+if (*cc == OP_BRAZERO || *cc == OP_BRAMINZERO)
+ {
+ bra = *cc;
+ cc++;
+ }
+
+opcode = *cc;
+ccbegin = bracketend(cc) - 1 - LINK_SIZE;
+ket = *ccbegin;
+if (ket == OP_KET && PRIVATE_DATA(ccbegin) != 0)
+ {
+ repeat_ptr = PRIVATE_DATA(ccbegin);
+ repeat_type = PRIVATE_DATA(ccbegin + 2);
+ repeat_count = PRIVATE_DATA(ccbegin + 3);
+ SLJIT_ASSERT(repeat_type != 0 && repeat_count != 0);
+ if (repeat_type == OP_UPTO)
+ ket = OP_KETRMAX;
+ if (repeat_type == OP_MINUPTO)
+ ket = OP_KETRMIN;
+ }
+ccbegin = cc;
+cc += GET(cc, 1);
+has_alternatives = *cc == OP_ALT;
+if (SLJIT_UNLIKELY(opcode == OP_COND) || SLJIT_UNLIKELY(opcode == OP_SCOND))
+ has_alternatives = (ccbegin[1 + LINK_SIZE] >= OP_ASSERT && ccbegin[1 + LINK_SIZE] <= OP_ASSERTBACK_NOT) || CURRENT_AS(bracket_backtrack)->u.condfailed != NULL;
+if (opcode == OP_CBRA || opcode == OP_SCBRA)
+ offset = (GET2(ccbegin, 1 + LINK_SIZE)) << 1;
+if (SLJIT_UNLIKELY(opcode == OP_COND) && (*cc == OP_KETRMAX || *cc == OP_KETRMIN))
+ opcode = OP_SCOND;
+if (SLJIT_UNLIKELY(opcode == OP_ONCE_NC))
+ opcode = OP_ONCE;
+
+alt_max = has_alternatives ? no_alternatives(ccbegin) : 0;
+
+/* Decoding the needs_control_head in framesize. */
+if (opcode == OP_ONCE)
+ {
+ needs_control_head = (CURRENT_AS(bracket_backtrack)->u.framesize & 0x1) != 0;
+ CURRENT_AS(bracket_backtrack)->u.framesize >>= 1;
+ }
+
+if (ket != OP_KET && repeat_type != 0)
+ {
+ /* TMP1 is used in OP_KETRMIN below. */
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ if (repeat_type == OP_UPTO)
+ OP2(SLJIT_ADD, SLJIT_MEM1(SLJIT_SP), repeat_ptr, TMP1, 0, SLJIT_IMM, 1);
+ else
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), repeat_ptr, TMP1, 0);
+ }
+
+if (ket == OP_KETRMAX)
+ {
+ if (bra == OP_BRAZERO)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ brazero = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0);
+ }
+ }
+else if (ket == OP_KETRMIN)
+ {
+ if (bra != OP_BRAMINZERO)
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ if (repeat_type != 0)
+ {
+ /* TMP1 was set a few lines above. */
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, 0, CURRENT_AS(bracket_backtrack)->recursive_matchingpath);
+ /* Drop STR_PTR for non-greedy plus quantifier. */
+ if (opcode != OP_ONCE)
+ free_stack(common, 1);
+ }
+ else if (opcode >= OP_SBRA || opcode == OP_ONCE)
+ {
+ /* Checking zero-length iteration. */
+ if (opcode != OP_ONCE || CURRENT_AS(bracket_backtrack)->u.framesize < 0)
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr, CURRENT_AS(bracket_backtrack)->recursive_matchingpath);
+ else
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_MEM1(TMP1), STACK(-CURRENT_AS(bracket_backtrack)->u.framesize - 2), CURRENT_AS(bracket_backtrack)->recursive_matchingpath);
+ }
+ /* Drop STR_PTR for non-greedy plus quantifier. */
+ if (opcode != OP_ONCE)
+ free_stack(common, 1);
+ }
+ else
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(bracket_backtrack)->recursive_matchingpath);
+ }
+ rmin_label = LABEL();
+ if (repeat_type != 0)
+ OP2(SLJIT_ADD, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_IMM, 1);
+ }
+else if (bra == OP_BRAZERO)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ brazero = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, 0);
+ }
+else if (repeat_type == OP_EXACT)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_IMM, 1);
+ exact_label = LABEL();
+ }
+
+if (offset != 0)
+ {
+ if (common->capture_last_ptr != 0)
+ {
+ SLJIT_ASSERT(common->optimized_cbracket[offset >> 1] == 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr, TMP1, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(2));
+ free_stack(common, 3);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP2, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), TMP1, 0);
+ }
+ else if (common->optimized_cbracket[offset >> 1] == 0)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ free_stack(common, 2);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), TMP2, 0);
+ }
+ }
+
+if (SLJIT_UNLIKELY(opcode == OP_ONCE))
+ {
+ if (CURRENT_AS(bracket_backtrack)->u.framesize >= 0)
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ }
+ once = JUMP(SLJIT_JUMP);
+ }
+else if (SLJIT_UNLIKELY(opcode == OP_COND) || SLJIT_UNLIKELY(opcode == OP_SCOND))
+ {
+ if (has_alternatives)
+ {
+ /* Always exactly one alternative. */
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+
+ alt_max = 2;
+ alt1 = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, sizeof(sljit_uw));
+ }
+ }
+else if (has_alternatives)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+
+ if (alt_max > 4)
+ {
+ /* Table jump if alt_max is greater than 4. */
+ next_update_addr = allocate_read_only_data(common, alt_max * sizeof(sljit_uw));
+ if (SLJIT_UNLIKELY(next_update_addr == NULL))
+ return;
+ sljit_emit_ijump(compiler, SLJIT_JUMP, SLJIT_MEM1(TMP1), (sljit_sw)next_update_addr);
+ add_label_addr(common, next_update_addr++);
+ }
+ else
+ {
+ if (alt_max == 4)
+ alt2 = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 2 * sizeof(sljit_uw));
+ alt1 = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, sizeof(sljit_uw));
+ }
+ }
+
+COMPILE_BACKTRACKINGPATH(current->top);
+if (current->topbacktracks)
+ set_jumps(current->topbacktracks, LABEL());
+
+if (SLJIT_UNLIKELY(opcode == OP_COND) || SLJIT_UNLIKELY(opcode == OP_SCOND))
+ {
+ /* Conditional block always has at most one alternative. */
+ if (ccbegin[1 + LINK_SIZE] >= OP_ASSERT && ccbegin[1 + LINK_SIZE] <= OP_ASSERTBACK_NOT)
+ {
+ SLJIT_ASSERT(has_alternatives);
+ assert = CURRENT_AS(bracket_backtrack)->u.assert;
+ if (assert->framesize >= 0 && (ccbegin[1 + LINK_SIZE] == OP_ASSERT || ccbegin[1 + LINK_SIZE] == OP_ASSERTBACK))
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), assert->private_data_ptr);
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), assert->private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-assert->framesize - 1));
+ }
+ cond = JUMP(SLJIT_JUMP);
+ set_jumps(CURRENT_AS(bracket_backtrack)->u.assert->condfailed, LABEL());
+ }
+ else if (CURRENT_AS(bracket_backtrack)->u.condfailed != NULL)
+ {
+ SLJIT_ASSERT(has_alternatives);
+ cond = JUMP(SLJIT_JUMP);
+ set_jumps(CURRENT_AS(bracket_backtrack)->u.condfailed, LABEL());
+ }
+ else
+ SLJIT_ASSERT(!has_alternatives);
+ }
+
+if (has_alternatives)
+ {
+ alt_count = sizeof(sljit_uw);
+ do
+ {
+ current->top = NULL;
+ current->topbacktracks = NULL;
+ current->nextbacktracks = NULL;
+ /* Conditional blocks always have an additional alternative, even if it is empty. */
+ if (*cc == OP_ALT)
+ {
+ ccprev = cc + 1 + LINK_SIZE;
+ cc += GET(cc, 1);
+ if (opcode != OP_COND && opcode != OP_SCOND)
+ {
+ if (opcode != OP_ONCE)
+ {
+ if (private_data_ptr != 0)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr);
+ else
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ }
+ else
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(needs_control_head ? 1 : 0));
+ }
+ compile_matchingpath(common, ccprev, cc, current);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return;
+ }
+
+ /* Instructions after the current alternative is successfully matched. */
+ /* There is a similar code in compile_bracket_matchingpath. */
+ if (opcode == OP_ONCE)
+ match_once_common(common, ket, CURRENT_AS(bracket_backtrack)->u.framesize, private_data_ptr, has_alternatives, needs_control_head);
+
+ stacksize = 0;
+ if (repeat_type == OP_MINUPTO)
+ {
+ /* We need to preserve the counter. TMP2 will be used below. */
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), repeat_ptr);
+ stacksize++;
+ }
+ if (ket != OP_KET || bra != OP_BRA)
+ stacksize++;
+ if (offset != 0)
+ {
+ if (common->capture_last_ptr != 0)
+ stacksize++;
+ if (common->optimized_cbracket[offset >> 1] == 0)
+ stacksize += 2;
+ }
+ if (opcode != OP_ONCE)
+ stacksize++;
+
+ if (stacksize > 0)
+ allocate_stack(common, stacksize);
+
+ stacksize = 0;
+ if (repeat_type == OP_MINUPTO)
+ {
+ /* TMP2 was set above. */
+ OP2(SLJIT_SUB, SLJIT_MEM1(STACK_TOP), STACK(stacksize), TMP2, 0, SLJIT_IMM, 1);
+ stacksize++;
+ }
+
+ if (ket != OP_KET || bra != OP_BRA)
+ {
+ if (ket != OP_KET)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), STR_PTR, 0);
+ else
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), SLJIT_IMM, 0);
+ stacksize++;
+ }
+
+ if (offset != 0)
+ stacksize = match_capture_common(common, stacksize, offset, private_data_ptr);
+
+ if (opcode != OP_ONCE)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize), SLJIT_IMM, alt_count);
+
+ if (offset != 0 && ket == OP_KETRMAX && common->optimized_cbracket[offset >> 1] != 0)
+ {
+ /* If ket is not OP_KETRMAX, this code path is executed after the jump to alternative_matchingpath. */
+ SLJIT_ASSERT(private_data_ptr == OVECTOR(offset + 0));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), STR_PTR, 0);
+ }
+
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(bracket_backtrack)->alternative_matchingpath);
+
+ if (opcode != OP_ONCE)
+ {
+ if (alt_max > 4)
+ add_label_addr(common, next_update_addr++);
+ else
+ {
+ if (alt_count != 2 * sizeof(sljit_uw))
+ {
+ JUMPHERE(alt1);
+ if (alt_max == 3 && alt_count == sizeof(sljit_uw))
+ alt2 = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 2 * sizeof(sljit_uw));
+ }
+ else
+ {
+ JUMPHERE(alt2);
+ if (alt_max == 4)
+ alt1 = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 3 * sizeof(sljit_uw));
+ }
+ }
+ alt_count += sizeof(sljit_uw);
+ }
+
+ COMPILE_BACKTRACKINGPATH(current->top);
+ if (current->topbacktracks)
+ set_jumps(current->topbacktracks, LABEL());
+ SLJIT_ASSERT(!current->nextbacktracks);
+ }
+ while (*cc == OP_ALT);
+
+ if (cond != NULL)
+ {
+ SLJIT_ASSERT(opcode == OP_COND || opcode == OP_SCOND);
+ assert = CURRENT_AS(bracket_backtrack)->u.assert;
+ if ((ccbegin[1 + LINK_SIZE] == OP_ASSERT_NOT || ccbegin[1 + LINK_SIZE] == OP_ASSERTBACK_NOT) && assert->framesize >= 0)
+ {
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), assert->private_data_ptr);
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), assert->private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-assert->framesize - 1));
+ }
+ JUMPHERE(cond);
+ }
+
+ /* Free the STR_PTR. */
+ if (private_data_ptr == 0)
+ free_stack(common, 1);
+ }
+
+if (offset != 0)
+ {
+ /* Using both tmp register is better for instruction scheduling. */
+ if (common->optimized_cbracket[offset >> 1] != 0)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ free_stack(common, 2);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), TMP2, 0);
+ }
+ else
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP1, 0);
+ }
+ }
+else if (opcode == OP_SBRA || opcode == OP_SCOND)
+ {
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ }
+else if (opcode == OP_ONCE)
+ {
+ cc = ccbegin + GET(ccbegin, 1);
+ stacksize = needs_control_head ? 1 : 0;
+
+ if (CURRENT_AS(bracket_backtrack)->u.framesize >= 0)
+ {
+ /* Reset head and drop saved frame. */
+ stacksize += CURRENT_AS(bracket_backtrack)->u.framesize + ((ket != OP_KET || *cc == OP_ALT) ? 2 : 1);
+ }
+ else if (ket == OP_KETRMAX || (*cc == OP_ALT && ket != OP_KETRMIN))
+ {
+ /* The STR_PTR must be released. */
+ stacksize++;
+ }
+
+ if (stacksize > 0)
+ free_stack(common, stacksize);
+
+ JUMPHERE(once);
+ /* Restore previous private_data_ptr */
+ if (CURRENT_AS(bracket_backtrack)->u.framesize >= 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-CURRENT_AS(bracket_backtrack)->u.framesize - 1));
+ else if (ket == OP_KETRMIN)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ /* See the comment below. */
+ free_stack(common, 2);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP1, 0);
+ }
+ }
+
+if (repeat_type == OP_EXACT)
+ {
+ OP2(SLJIT_ADD, TMP1, 0, SLJIT_MEM1(SLJIT_SP), repeat_ptr, SLJIT_IMM, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), repeat_ptr, TMP1, 0);
+ CMPTO(SLJIT_LESS_EQUAL, TMP1, 0, SLJIT_IMM, repeat_count, exact_label);
+ }
+else if (ket == OP_KETRMAX)
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ if (bra != OP_BRAZERO)
+ free_stack(common, 1);
+
+ CMPTO(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(bracket_backtrack)->recursive_matchingpath);
+ if (bra == OP_BRAZERO)
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(bracket_backtrack)->zero_matchingpath);
+ JUMPHERE(brazero);
+ free_stack(common, 1);
+ }
+ }
+else if (ket == OP_KETRMIN)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+
+ /* OP_ONCE removes everything in case of a backtrack, so we don't
+ need to explicitly release the STR_PTR. The extra release would
+ affect badly the free_stack(2) above. */
+ if (opcode != OP_ONCE)
+ free_stack(common, 1);
+ CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, 0, rmin_label);
+ if (opcode == OP_ONCE)
+ free_stack(common, bra == OP_BRAMINZERO ? 2 : 1);
+ else if (bra == OP_BRAMINZERO)
+ free_stack(common, 1);
+ }
+else if (bra == OP_BRAZERO)
+ {
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ JUMPTO(SLJIT_JUMP, CURRENT_AS(bracket_backtrack)->zero_matchingpath);
+ JUMPHERE(brazero);
+ }
+}
+
+static SLJIT_INLINE void compile_bracketpos_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+int offset;
+struct sljit_jump *jump;
+
+if (CURRENT_AS(bracketpos_backtrack)->framesize < 0)
+ {
+ if (*current->cc == OP_CBRAPOS || *current->cc == OP_SCBRAPOS)
+ {
+ offset = (GET2(current->cc, 1 + LINK_SIZE)) << 1;
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset), TMP1, 0);
+ if (common->capture_last_ptr != 0)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(2));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1), TMP2, 0);
+ if (common->capture_last_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr, TMP1, 0);
+ }
+ set_jumps(current->topbacktracks, LABEL());
+ free_stack(common, CURRENT_AS(bracketpos_backtrack)->stacksize);
+ return;
+ }
+
+OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), CURRENT_AS(bracketpos_backtrack)->private_data_ptr);
+add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+
+if (current->topbacktracks)
+ {
+ jump = JUMP(SLJIT_JUMP);
+ set_jumps(current->topbacktracks, LABEL());
+ /* Drop the stack frame. */
+ free_stack(common, CURRENT_AS(bracketpos_backtrack)->stacksize);
+ JUMPHERE(jump);
+ }
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), CURRENT_AS(bracketpos_backtrack)->private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(-CURRENT_AS(bracketpos_backtrack)->framesize - 1));
+}
+
+static SLJIT_INLINE void compile_braminzero_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+assert_backtrack backtrack;
+
+current->top = NULL;
+current->topbacktracks = NULL;
+current->nextbacktracks = NULL;
+if (current->cc[1] > OP_ASSERTBACK_NOT)
+ {
+ /* Manual call of compile_bracket_matchingpath and compile_bracket_backtrackingpath. */
+ compile_bracket_matchingpath(common, current->cc, current);
+ compile_bracket_backtrackingpath(common, current->top);
+ }
+else
+ {
+ memset(&backtrack, 0, sizeof(backtrack));
+ backtrack.common.cc = current->cc;
+ backtrack.matchingpath = CURRENT_AS(braminzero_backtrack)->matchingpath;
+ /* Manual call of compile_assert_matchingpath. */
+ compile_assert_matchingpath(common, current->cc, &backtrack, FALSE);
+ }
+SLJIT_ASSERT(!current->nextbacktracks && !current->topbacktracks);
+}
+
+static SLJIT_INLINE void compile_control_verb_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+pcre_uchar opcode = *current->cc;
+struct sljit_label *loop;
+struct sljit_jump *jump;
+
+if (opcode == OP_THEN || opcode == OP_THEN_ARG)
+ {
+ if (common->then_trap != NULL)
+ {
+ SLJIT_ASSERT(common->control_head_ptr != 0);
+
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, type_then_trap);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, common->then_trap->start);
+ jump = JUMP(SLJIT_JUMP);
+
+ loop = LABEL();
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ JUMPHERE(jump);
+ CMPTO(SLJIT_NOT_EQUAL, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0, loop);
+ CMPTO(SLJIT_NOT_EQUAL, SLJIT_MEM1(STACK_TOP), STACK(2), TMP2, 0, loop);
+ add_jump(compiler, &common->then_trap->quit, JUMP(SLJIT_JUMP));
+ return;
+ }
+ else if (common->positive_assert)
+ {
+ add_jump(compiler, &common->positive_assert_quit, JUMP(SLJIT_JUMP));
+ return;
+ }
+ }
+
+if (common->local_exit)
+ {
+ if (common->quit_label == NULL)
+ add_jump(compiler, &common->quit, JUMP(SLJIT_JUMP));
+ else
+ JUMPTO(SLJIT_JUMP, common->quit_label);
+ return;
+ }
+
+if (opcode == OP_SKIP_ARG)
+ {
+ SLJIT_ASSERT(common->control_head_ptr != 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS0, STACK_TOP, 0);
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_IMM, (sljit_sw)(current->cc + 2));
+ sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_search_mark));
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+
+ OP1(SLJIT_MOV, STR_PTR, 0, TMP1, 0);
+ add_jump(compiler, &common->reset_match, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0));
+ return;
+ }
+
+if (opcode == OP_SKIP)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+else
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_IMM, 0);
+add_jump(compiler, &common->reset_match, JUMP(SLJIT_JUMP));
+}
+
+static SLJIT_INLINE void compile_then_trap_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+struct sljit_jump *jump;
+int size;
+
+if (CURRENT_AS(then_trap_backtrack)->then_trap)
+ {
+ common->then_trap = CURRENT_AS(then_trap_backtrack)->then_trap;
+ return;
+ }
+
+size = CURRENT_AS(then_trap_backtrack)->framesize;
+size = 3 + (size < 0 ? 0 : size);
+
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(size - 3));
+free_stack(common, size);
+jump = JUMP(SLJIT_JUMP);
+
+set_jumps(CURRENT_AS(then_trap_backtrack)->quit, LABEL());
+/* STACK_TOP is set by THEN. */
+if (CURRENT_AS(then_trap_backtrack)->framesize >= 0)
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+free_stack(common, 3);
+
+JUMPHERE(jump);
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, TMP1, 0);
+}
+
+static void compile_backtrackingpath(compiler_common *common, struct backtrack_common *current)
+{
+DEFINE_COMPILER;
+then_trap_backtrack *save_then_trap = common->then_trap;
+
+while (current)
+ {
+ if (current->nextbacktracks != NULL)
+ set_jumps(current->nextbacktracks, LABEL());
+ switch(*current->cc)
+ {
+ case OP_SET_SOM:
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(0), TMP1, 0);
+ break;
+
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_EXACT:
+ case OP_POSSTAR:
+ case OP_POSPLUS:
+ case OP_POSQUERY:
+ case OP_POSUPTO:
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_EXACTI:
+ case OP_POSSTARI:
+ case OP_POSPLUSI:
+ case OP_POSQUERYI:
+ case OP_POSUPTOI:
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTQUERY:
+ case OP_NOTMINQUERY:
+ case OP_NOTUPTO:
+ case OP_NOTMINUPTO:
+ case OP_NOTEXACT:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSUPTO:
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERYI:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTOI:
+ case OP_NOTEXACTI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSUPTOI:
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEEXACT:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEPOSQUERY:
+ case OP_TYPEPOSUPTO:
+ case OP_CLASS:
+ case OP_NCLASS:
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+#endif
+ compile_iterator_backtrackingpath(common, current);
+ break;
+
+ case OP_REF:
+ case OP_REFI:
+ case OP_DNREF:
+ case OP_DNREFI:
+ compile_ref_iterator_backtrackingpath(common, current);
+ break;
+
+ case OP_RECURSE:
+ compile_recurse_backtrackingpath(common, current);
+ break;
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ compile_assert_backtrackingpath(common, current);
+ break;
+
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_BRA:
+ case OP_CBRA:
+ case OP_COND:
+ case OP_SBRA:
+ case OP_SCBRA:
+ case OP_SCOND:
+ compile_bracket_backtrackingpath(common, current);
+ break;
+
+ case OP_BRAZERO:
+ if (current->cc[1] > OP_ASSERTBACK_NOT)
+ compile_bracket_backtrackingpath(common, current);
+ else
+ compile_assert_backtrackingpath(common, current);
+ break;
+
+ case OP_BRAPOS:
+ case OP_CBRAPOS:
+ case OP_SBRAPOS:
+ case OP_SCBRAPOS:
+ case OP_BRAPOSZERO:
+ compile_bracketpos_backtrackingpath(common, current);
+ break;
+
+ case OP_BRAMINZERO:
+ compile_braminzero_backtrackingpath(common, current);
+ break;
+
+ case OP_MARK:
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(common->has_skip_arg ? 4 : 0));
+ if (common->has_skip_arg)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+ free_stack(common, common->has_skip_arg ? 5 : 1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->mark_ptr, TMP1, 0);
+ if (common->has_skip_arg)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, TMP2, 0);
+ break;
+
+ case OP_THEN:
+ case OP_THEN_ARG:
+ case OP_PRUNE:
+ case OP_PRUNE_ARG:
+ case OP_SKIP:
+ case OP_SKIP_ARG:
+ compile_control_verb_backtrackingpath(common, current);
+ break;
+
+ case OP_COMMIT:
+ if (!common->local_exit)
+ OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_NOMATCH);
+ if (common->quit_label == NULL)
+ add_jump(compiler, &common->quit, JUMP(SLJIT_JUMP));
+ else
+ JUMPTO(SLJIT_JUMP, common->quit_label);
+ break;
+
+ case OP_CALLOUT:
+ case OP_FAIL:
+ case OP_ACCEPT:
+ case OP_ASSERT_ACCEPT:
+ set_jumps(current->topbacktracks, LABEL());
+ break;
+
+ case OP_THEN_TRAP:
+ /* A virtual opcode for then traps. */
+ compile_then_trap_backtrackingpath(common, current);
+ break;
+
+ default:
+ SLJIT_UNREACHABLE();
+ break;
+ }
+ current = current->prev;
+ }
+common->then_trap = save_then_trap;
+}
+
+static SLJIT_INLINE void compile_recurse(compiler_common *common)
+{
+DEFINE_COMPILER;
+pcre_uchar *cc = common->start + common->currententry->start;
+pcre_uchar *ccbegin = cc + 1 + LINK_SIZE + (*cc == OP_BRA ? 0 : IMM2_SIZE);
+pcre_uchar *ccend = bracketend(cc) - (1 + LINK_SIZE);
+BOOL needs_control_head;
+int framesize = get_framesize(common, cc, NULL, TRUE, &needs_control_head);
+int private_data_size = get_private_data_copy_length(common, ccbegin, ccend, needs_control_head);
+int alternativesize;
+BOOL needs_frame;
+backtrack_common altbacktrack;
+struct sljit_jump *jump;
+
+/* Recurse captures then. */
+common->then_trap = NULL;
+
+SLJIT_ASSERT(*cc == OP_BRA || *cc == OP_CBRA || *cc == OP_CBRAPOS || *cc == OP_SCBRA || *cc == OP_SCBRAPOS);
+needs_frame = framesize >= 0;
+if (!needs_frame)
+ framesize = 0;
+alternativesize = *(cc + GET(cc, 1)) == OP_ALT ? 1 : 0;
+
+SLJIT_ASSERT(common->currententry->entry == NULL && common->recursive_head_ptr != 0);
+common->currententry->entry = LABEL();
+set_jumps(common->currententry->calls, common->currententry->entry);
+
+sljit_emit_fast_enter(compiler, TMP2, 0);
+count_match(common);
+allocate_stack(common, private_data_size + framesize + alternativesize);
+OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(private_data_size + framesize + alternativesize - 1), TMP2, 0);
+copy_private_data(common, ccbegin, ccend, TRUE, framesize + alternativesize, private_data_size + framesize + alternativesize, needs_control_head);
+if (needs_control_head)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_IMM, 0);
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->recursive_head_ptr, STACK_TOP, 0);
+if (needs_frame)
+ init_frame(common, cc, NULL, framesize + alternativesize - 1, alternativesize, TRUE);
+
+if (alternativesize > 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
+
+memset(&altbacktrack, 0, sizeof(backtrack_common));
+common->quit_label = NULL;
+common->accept_label = NULL;
+common->quit = NULL;
+common->accept = NULL;
+altbacktrack.cc = ccbegin;
+cc += GET(cc, 1);
+while (1)
+ {
+ altbacktrack.top = NULL;
+ altbacktrack.topbacktracks = NULL;
+
+ if (altbacktrack.cc != ccbegin)
+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
+
+ compile_matchingpath(common, altbacktrack.cc, cc, &altbacktrack);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return;
+
+ add_jump(compiler, &common->accept, JUMP(SLJIT_JUMP));
+
+ compile_backtrackingpath(common, altbacktrack.top);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ return;
+ set_jumps(altbacktrack.topbacktracks, LABEL());
+
+ if (*cc != OP_ALT)
+ break;
+
+ altbacktrack.cc = cc + 1 + LINK_SIZE;
+ cc += GET(cc, 1);
+ }
+
+/* None of them matched. */
+OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 0);
+jump = JUMP(SLJIT_JUMP);
+
+if (common->quit != NULL)
+ {
+ set_jumps(common->quit, LABEL());
+ OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), common->recursive_head_ptr);
+ if (needs_frame)
+ {
+ OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + alternativesize) * sizeof(sljit_sw));
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + alternativesize) * sizeof(sljit_sw));
+ }
+ OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 0);
+ common->quit = NULL;
+ add_jump(compiler, &common->quit, JUMP(SLJIT_JUMP));
+ }
+
+set_jumps(common->accept, LABEL());
+OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), common->recursive_head_ptr);
+if (needs_frame)
+ {
+ OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + alternativesize) * sizeof(sljit_sw));
+ add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
+ OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + alternativesize) * sizeof(sljit_sw));
+ }
+OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 1);
+
+JUMPHERE(jump);
+if (common->quit != NULL)
+ set_jumps(common->quit, LABEL());
+copy_private_data(common, ccbegin, ccend, FALSE, framesize + alternativesize, private_data_size + framesize + alternativesize, needs_control_head);
+free_stack(common, private_data_size + framesize + alternativesize);
+if (needs_control_head)
+ {
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(-3));
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(-2));
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->recursive_head_ptr, TMP1, 0);
+ OP1(SLJIT_MOV, TMP1, 0, TMP3, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, TMP2, 0);
+ }
+else
+ {
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(-2));
+ OP1(SLJIT_MOV, TMP1, 0, TMP3, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->recursive_head_ptr, TMP2, 0);
+ }
+sljit_emit_fast_return(compiler, SLJIT_MEM1(STACK_TOP), STACK(-1));
+}
+
+#undef COMPILE_BACKTRACKINGPATH
+#undef CURRENT_AS
+
+void
+PRIV(jit_compile)(const REAL_PCRE *re, PUBL(extra) *extra, int mode)
+{
+struct sljit_compiler *compiler;
+backtrack_common rootbacktrack;
+compiler_common common_data;
+compiler_common *common = &common_data;
+const sljit_u8 *tables = re->tables;
+pcre_study_data *study;
+int private_data_size;
+pcre_uchar *ccend;
+executable_functions *functions;
+void *executable_func;
+sljit_uw executable_size;
+sljit_uw total_length;
+label_addr_list *label_addr;
+struct sljit_label *mainloop_label = NULL;
+struct sljit_label *continue_match_label;
+struct sljit_label *empty_match_found_label = NULL;
+struct sljit_label *empty_match_backtrack_label = NULL;
+struct sljit_label *reset_match_label;
+struct sljit_label *quit_label;
+struct sljit_jump *jump;
+struct sljit_jump *minlength_check_failed = NULL;
+struct sljit_jump *reqbyte_notfound = NULL;
+struct sljit_jump *empty_match = NULL;
+
+SLJIT_ASSERT((extra->flags & PCRE_EXTRA_STUDY_DATA) != 0);
+study = extra->study_data;
+
+if (!tables)
+ tables = PRIV(default_tables);
+
+memset(&rootbacktrack, 0, sizeof(backtrack_common));
+memset(common, 0, sizeof(compiler_common));
+rootbacktrack.cc = (pcre_uchar *)re + re->name_table_offset + re->name_count * re->name_entry_size;
+
+common->start = rootbacktrack.cc;
+common->read_only_data_head = NULL;
+common->fcc = tables + fcc_offset;
+common->lcc = (sljit_sw)(tables + lcc_offset);
+common->mode = mode;
+common->might_be_empty = study->minlength == 0;
+common->nltype = NLTYPE_FIXED;
+switch(re->options & PCRE_NEWLINE_BITS)
+ {
+ case 0:
+ /* Compile-time default */
+ switch(NEWLINE)
+ {
+ case -1: common->newline = (CHAR_CR << 8) | CHAR_NL; common->nltype = NLTYPE_ANY; break;
+ case -2: common->newline = (CHAR_CR << 8) | CHAR_NL; common->nltype = NLTYPE_ANYCRLF; break;
+ default: common->newline = NEWLINE; break;
+ }
+ break;
+ case PCRE_NEWLINE_CR: common->newline = CHAR_CR; break;
+ case PCRE_NEWLINE_LF: common->newline = CHAR_NL; break;
+ case PCRE_NEWLINE_CR+
+ PCRE_NEWLINE_LF: common->newline = (CHAR_CR << 8) | CHAR_NL; break;
+ case PCRE_NEWLINE_ANY: common->newline = (CHAR_CR << 8) | CHAR_NL; common->nltype = NLTYPE_ANY; break;
+ case PCRE_NEWLINE_ANYCRLF: common->newline = (CHAR_CR << 8) | CHAR_NL; common->nltype = NLTYPE_ANYCRLF; break;
+ default: return;
+ }
+common->nlmax = READ_CHAR_MAX;
+common->nlmin = 0;
+if ((re->options & PCRE_BSR_ANYCRLF) != 0)
+ common->bsr_nltype = NLTYPE_ANYCRLF;
+else if ((re->options & PCRE_BSR_UNICODE) != 0)
+ common->bsr_nltype = NLTYPE_ANY;
+else
+ {
+#ifdef BSR_ANYCRLF
+ common->bsr_nltype = NLTYPE_ANYCRLF;
+#else
+ common->bsr_nltype = NLTYPE_ANY;
+#endif
+ }
+common->bsr_nlmax = READ_CHAR_MAX;
+common->bsr_nlmin = 0;
+common->endonly = (re->options & PCRE_DOLLAR_ENDONLY) != 0;
+common->ctypes = (sljit_sw)(tables + ctypes_offset);
+common->name_table = ((pcre_uchar *)re) + re->name_table_offset;
+common->name_count = re->name_count;
+common->name_entry_size = re->name_entry_size;
+common->jscript_compat = (re->options & PCRE_JAVASCRIPT_COMPAT) != 0;
+#ifdef SUPPORT_UTF
+/* PCRE_UTF[16|32] have the same value as PCRE_UTF8. */
+common->utf = (re->options & PCRE_UTF8) != 0;
+#ifdef SUPPORT_UCP
+common->use_ucp = (re->options & PCRE_UCP) != 0;
+#endif
+if (common->utf)
+ {
+ if (common->nltype == NLTYPE_ANY)
+ common->nlmax = 0x2029;
+ else if (common->nltype == NLTYPE_ANYCRLF)
+ common->nlmax = (CHAR_CR > CHAR_NL) ? CHAR_CR : CHAR_NL;
+ else
+ {
+ /* We only care about the first newline character. */
+ common->nlmax = common->newline & 0xff;
+ }
+
+ if (common->nltype == NLTYPE_FIXED)
+ common->nlmin = common->newline & 0xff;
+ else
+ common->nlmin = (CHAR_CR < CHAR_NL) ? CHAR_CR : CHAR_NL;
+
+ if (common->bsr_nltype == NLTYPE_ANY)
+ common->bsr_nlmax = 0x2029;
+ else
+ common->bsr_nlmax = (CHAR_CR > CHAR_NL) ? CHAR_CR : CHAR_NL;
+ common->bsr_nlmin = (CHAR_CR < CHAR_NL) ? CHAR_CR : CHAR_NL;
+ }
+#endif /* SUPPORT_UTF */
+ccend = bracketend(common->start);
+
+/* Calculate the local space size on the stack. */
+common->ovector_start = LIMIT_MATCH + sizeof(sljit_sw);
+common->optimized_cbracket = (sljit_u8 *)SLJIT_MALLOC(re->top_bracket + 1, compiler->allocator_data);
+if (!common->optimized_cbracket)
+ return;
+#if defined DEBUG_FORCE_UNOPTIMIZED_CBRAS && DEBUG_FORCE_UNOPTIMIZED_CBRAS == 1
+memset(common->optimized_cbracket, 0, re->top_bracket + 1);
+#else
+memset(common->optimized_cbracket, 1, re->top_bracket + 1);
+#endif
+
+SLJIT_ASSERT(*common->start == OP_BRA && ccend[-(1 + LINK_SIZE)] == OP_KET);
+#if defined DEBUG_FORCE_UNOPTIMIZED_CBRAS && DEBUG_FORCE_UNOPTIMIZED_CBRAS == 2
+common->capture_last_ptr = common->ovector_start;
+common->ovector_start += sizeof(sljit_sw);
+#endif
+if (!check_opcode_types(common, common->start, ccend))
+ {
+ SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+ return;
+ }
+
+/* Checking flags and updating ovector_start. */
+if (mode == JIT_COMPILE && (re->flags & PCRE_REQCHSET) != 0 && (re->options & PCRE_NO_START_OPTIMIZE) == 0)
+ {
+ common->req_char_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ }
+if (mode != JIT_COMPILE)
+ {
+ common->start_used_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ if (mode == JIT_PARTIAL_SOFT_COMPILE)
+ {
+ common->hit_start = common->ovector_start;
+ common->ovector_start += 2 * sizeof(sljit_sw);
+ }
+ }
+if ((re->options & PCRE_FIRSTLINE) != 0)
+ {
+ common->match_end_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ }
+#if defined DEBUG_FORCE_CONTROL_HEAD && DEBUG_FORCE_CONTROL_HEAD
+common->control_head_ptr = 1;
+#endif
+if (common->control_head_ptr != 0)
+ {
+ common->control_head_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ }
+if (common->has_set_som)
+ {
+ /* Saving the real start pointer is necessary. */
+ common->start_ptr = common->ovector_start;
+ common->ovector_start += sizeof(sljit_sw);
+ }
+
+/* Aligning ovector to even number of sljit words. */
+if ((common->ovector_start & sizeof(sljit_sw)) != 0)
+ common->ovector_start += sizeof(sljit_sw);
+
+if (common->start_ptr == 0)
+ common->start_ptr = OVECTOR(0);
+
+/* Capturing brackets cannot be optimized if callouts are allowed. */
+if (common->capture_last_ptr != 0)
+ memset(common->optimized_cbracket, 0, re->top_bracket + 1);
+
+SLJIT_ASSERT(!(common->req_char_ptr != 0 && common->start_used_ptr != 0));
+common->cbra_ptr = OVECTOR_START + (re->top_bracket + 1) * 2 * sizeof(sljit_sw);
+
+total_length = ccend - common->start;
+common->private_data_ptrs = (sljit_s32 *)SLJIT_MALLOC(total_length * (sizeof(sljit_s32) + (common->has_then ? 1 : 0)), compiler->allocator_data);
+if (!common->private_data_ptrs)
+ {
+ SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+ return;
+ }
+memset(common->private_data_ptrs, 0, total_length * sizeof(sljit_s32));
+
+private_data_size = common->cbra_ptr + (re->top_bracket + 1) * sizeof(sljit_sw);
+set_private_data_ptrs(common, &private_data_size, ccend);
+if ((re->options & PCRE_ANCHORED) == 0 && (re->options & PCRE_NO_START_OPTIMIZE) == 0)
+ {
+ if (!detect_fast_forward_skip(common, &private_data_size) && !common->has_skip_in_assert_back)
+ detect_fast_fail(common, common->start, &private_data_size, 4);
+ }
+
+SLJIT_ASSERT(common->fast_fail_start_ptr <= common->fast_fail_end_ptr);
+
+if (private_data_size > SLJIT_MAX_LOCAL_SIZE)
+ {
+ SLJIT_FREE(common->private_data_ptrs, compiler->allocator_data);
+ SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+ return;
+ }
+
+if (common->has_then)
+ {
+ common->then_offsets = (sljit_u8 *)(common->private_data_ptrs + total_length);
+ memset(common->then_offsets, 0, total_length);
+ set_then_offsets(common, common->start, NULL);
+ }
+
+compiler = sljit_create_compiler(NULL);
+if (!compiler)
+ {
+ SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+ SLJIT_FREE(common->private_data_ptrs, compiler->allocator_data);
+ return;
+ }
+common->compiler = compiler;
+
+/* Main pcre_jit_exec entry. */
+sljit_emit_enter(compiler, 0, SLJIT_ARG1(SW), 5, 5, 0, 0, private_data_size);
+
+/* Register init. */
+reset_ovector(common, (re->top_bracket + 1) * 2);
+if (common->req_char_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->req_char_ptr, SLJIT_R0, 0);
+
+OP1(SLJIT_MOV, ARGUMENTS, 0, SLJIT_S0, 0);
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_S0, 0);
+OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
+OP1(SLJIT_MOV, STR_END, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, end));
+OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, stack));
+OP1(SLJIT_MOV_U32, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, limit_match));
+OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(struct sljit_stack, end));
+OP1(SLJIT_MOV, STACK_LIMIT, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(struct sljit_stack, start));
+OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LIMIT_MATCH, TMP1, 0);
+
+if (common->fast_fail_start_ptr < common->fast_fail_end_ptr)
+ reset_fast_fail(common);
+
+if (mode == JIT_PARTIAL_SOFT_COMPILE)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->hit_start, SLJIT_IMM, -1);
+if (common->mark_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->mark_ptr, SLJIT_IMM, 0);
+if (common->control_head_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_IMM, 0);
+
+/* Main part of the matching */
+if ((re->options & PCRE_ANCHORED) == 0)
+ {
+ mainloop_label = mainloop_entry(common, (re->flags & PCRE_HASCRORLF) != 0);
+ continue_match_label = LABEL();
+ /* Forward search if possible. */
+ if ((re->options & PCRE_NO_START_OPTIMIZE) == 0)
+ {
+ if (mode == JIT_COMPILE && fast_forward_first_n_chars(common))
+ ;
+ else if ((re->flags & PCRE_FIRSTSET) != 0)
+ fast_forward_first_char(common, (pcre_uchar)re->first_char, (re->flags & PCRE_FCH_CASELESS) != 0);
+ else if ((re->flags & PCRE_STARTLINE) != 0)
+ fast_forward_newline(common);
+ else if (study != NULL && (study->flags & PCRE_STUDY_MAPPED) != 0)
+ fast_forward_start_bits(common, study->start_bits);
+ }
+ }
+else
+ continue_match_label = LABEL();
+
+if (mode == JIT_COMPILE && study->minlength > 0 && (re->options & PCRE_NO_START_OPTIMIZE) == 0)
+ {
+ OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_NOMATCH);
+ OP2(SLJIT_ADD, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(study->minlength));
+ minlength_check_failed = CMP(SLJIT_GREATER, TMP2, 0, STR_END, 0);
+ }
+if (common->req_char_ptr != 0)
+ reqbyte_notfound = search_requested_char(common, (pcre_uchar)re->req_char, (re->flags & PCRE_RCH_CASELESS) != 0, (re->flags & PCRE_FIRSTSET) != 0);
+
+/* Store the current STR_PTR in OVECTOR(0). */
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), OVECTOR(0), STR_PTR, 0);
+/* Copy the limit of allowed recursions. */
+OP1(SLJIT_MOV, COUNT_MATCH, 0, SLJIT_MEM1(SLJIT_SP), LIMIT_MATCH);
+if (common->capture_last_ptr != 0)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->capture_last_ptr, SLJIT_IMM, -1);
+if (common->fast_forward_bc_ptr != NULL)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), PRIVATE_DATA(common->fast_forward_bc_ptr + 1), STR_PTR, 0);
+
+if (common->start_ptr != OVECTOR(0))
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->start_ptr, STR_PTR, 0);
+
+/* Copy the beginning of the string. */
+if (mode == JIT_PARTIAL_SOFT_COMPILE)
+ {
+ jump = CMP(SLJIT_NOT_EQUAL, SLJIT_MEM1(SLJIT_SP), common->hit_start, SLJIT_IMM, -1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->hit_start + sizeof(sljit_sw), STR_PTR, 0);
+ JUMPHERE(jump);
+ }
+else if (mode == JIT_PARTIAL_HARD_COMPILE)
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, STR_PTR, 0);
+
+compile_matchingpath(common, common->start, ccend, &rootbacktrack);
+if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ {
+ sljit_free_compiler(compiler);
+ SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+ SLJIT_FREE(common->private_data_ptrs, compiler->allocator_data);
+ free_read_only_data(common->read_only_data_head, compiler->allocator_data);
+ return;
+ }
+
+if (common->might_be_empty)
+ {
+ empty_match = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(0));
+ empty_match_found_label = LABEL();
+ }
+
+common->accept_label = LABEL();
+if (common->accept != NULL)
+ set_jumps(common->accept, common->accept_label);
+
+/* This means we have a match. Update the ovector. */
+copy_ovector(common, re->top_bracket + 1);
+common->quit_label = common->forced_quit_label = LABEL();
+if (common->quit != NULL)
+ set_jumps(common->quit, common->quit_label);
+if (common->forced_quit != NULL)
+ set_jumps(common->forced_quit, common->forced_quit_label);
+if (minlength_check_failed != NULL)
+ SET_LABEL(minlength_check_failed, common->forced_quit_label);
+sljit_emit_return(compiler, SLJIT_MOV, SLJIT_RETURN_REG, 0);
+
+if (mode != JIT_COMPILE)
+ {
+ common->partialmatchlabel = LABEL();
+ set_jumps(common->partialmatch, common->partialmatchlabel);
+ return_with_partial_match(common, common->quit_label);
+ }
+
+if (common->might_be_empty)
+ empty_match_backtrack_label = LABEL();
+compile_backtrackingpath(common, rootbacktrack.top);
+if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ {
+ sljit_free_compiler(compiler);
+ SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+ SLJIT_FREE(common->private_data_ptrs, compiler->allocator_data);
+ free_read_only_data(common->read_only_data_head, compiler->allocator_data);
+ return;
+ }
+
+SLJIT_ASSERT(rootbacktrack.prev == NULL);
+reset_match_label = LABEL();
+
+if (mode == JIT_PARTIAL_SOFT_COMPILE)
+ {
+ /* Update hit_start only in the first time. */
+ jump = CMP(SLJIT_NOT_EQUAL, SLJIT_MEM1(SLJIT_SP), common->hit_start, SLJIT_IMM, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->start_used_ptr, SLJIT_IMM, -1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->hit_start, TMP1, 0);
+ JUMPHERE(jump);
+ }
+
+/* Check we have remaining characters. */
+if ((re->options & PCRE_ANCHORED) == 0 && (re->options & PCRE_FIRSTLINE) != 0)
+ {
+ SLJIT_ASSERT(common->match_end_ptr != 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr);
+ }
+
+OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP),
+ (common->fast_forward_bc_ptr != NULL) ? (PRIVATE_DATA(common->fast_forward_bc_ptr + 1)) : common->start_ptr);
+
+if ((re->options & PCRE_ANCHORED) == 0)
+ {
+ if (common->ff_newline_shortcut != NULL)
+ {
+ if ((re->options & PCRE_FIRSTLINE) == 0)
+ CMPTO(SLJIT_LESS, STR_PTR, 0, STR_END, 0, common->ff_newline_shortcut);
+ /* There cannot be more newlines here. */
+ }
+ else
+ CMPTO(SLJIT_LESS, STR_PTR, 0, ((re->options & PCRE_FIRSTLINE) == 0) ? STR_END : TMP1, 0, mainloop_label);
+ }
+
+/* No more remaining characters. */
+if (reqbyte_notfound != NULL)
+ JUMPHERE(reqbyte_notfound);
+
+if (mode == JIT_PARTIAL_SOFT_COMPILE)
+ CMPTO(SLJIT_NOT_EQUAL, SLJIT_MEM1(SLJIT_SP), common->hit_start, SLJIT_IMM, -1, common->partialmatchlabel);
+
+OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_NOMATCH);
+JUMPTO(SLJIT_JUMP, common->quit_label);
+
+flush_stubs(common);
+
+if (common->might_be_empty)
+ {
+ JUMPHERE(empty_match);
+ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, notempty));
+ CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0, empty_match_backtrack_label);
+ OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, notempty_atstart));
+ CMPTO(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0, empty_match_found_label);
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
+ CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, STR_PTR, 0, empty_match_found_label);
+ JUMPTO(SLJIT_JUMP, empty_match_backtrack_label);
+ }
+
+common->fast_forward_bc_ptr = NULL;
+common->fast_fail_start_ptr = 0;
+common->fast_fail_end_ptr = 0;
+common->currententry = common->entries;
+common->local_exit = TRUE;
+quit_label = common->quit_label;
+while (common->currententry != NULL)
+ {
+ /* Might add new entries. */
+ compile_recurse(common);
+ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
+ {
+ sljit_free_compiler(compiler);
+ SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+ SLJIT_FREE(common->private_data_ptrs, compiler->allocator_data);
+ free_read_only_data(common->read_only_data_head, compiler->allocator_data);
+ return;
+ }
+ flush_stubs(common);
+ common->currententry = common->currententry->next;
+ }
+common->local_exit = FALSE;
+common->quit_label = quit_label;
+
+/* Allocating stack, returns with PCRE_ERROR_JIT_STACKLIMIT if fails. */
+/* This is a (really) rare case. */
+set_jumps(common->stackalloc, LABEL());
+/* RETURN_ADDR is not a saved register. */
+sljit_emit_fast_enter(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+
+SLJIT_ASSERT(TMP1 == SLJIT_R0 && STACK_TOP == SLJIT_R1);
+
+OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, STACK_TOP, 0);
+OP1(SLJIT_MOV, SLJIT_R0, 0, ARGUMENTS, 0);
+OP2(SLJIT_SUB, SLJIT_R1, 0, STACK_LIMIT, 0, SLJIT_IMM, STACK_GROWTH_RATE);
+OP1(SLJIT_MOV, SLJIT_R0, 0, SLJIT_MEM1(SLJIT_R0), SLJIT_OFFSETOF(jit_arguments, stack));
+OP1(SLJIT_MOV, STACK_LIMIT, 0, TMP2, 0);
+
+sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_stack_resize));
+jump = CMP(SLJIT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0);
+OP1(SLJIT_MOV, TMP2, 0, STACK_LIMIT, 0);
+OP1(SLJIT_MOV, STACK_LIMIT, 0, SLJIT_RETURN_REG, 0);
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0);
+OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1);
+sljit_emit_fast_return(compiler, TMP1, 0);
+
+/* Allocation failed. */
+JUMPHERE(jump);
+/* We break the return address cache here, but this is a really rare case. */
+OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_JIT_STACKLIMIT);
+JUMPTO(SLJIT_JUMP, common->quit_label);
+
+/* Call limit reached. */
+set_jumps(common->calllimit, LABEL());
+OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_MATCHLIMIT);
+JUMPTO(SLJIT_JUMP, common->quit_label);
+
+if (common->revertframes != NULL)
+ {
+ set_jumps(common->revertframes, LABEL());
+ do_revertframes(common);
+ }
+if (common->wordboundary != NULL)
+ {
+ set_jumps(common->wordboundary, LABEL());
+ check_wordboundary(common);
+ }
+if (common->anynewline != NULL)
+ {
+ set_jumps(common->anynewline, LABEL());
+ check_anynewline(common);
+ }
+if (common->hspace != NULL)
+ {
+ set_jumps(common->hspace, LABEL());
+ check_hspace(common);
+ }
+if (common->vspace != NULL)
+ {
+ set_jumps(common->vspace, LABEL());
+ check_vspace(common);
+ }
+if (common->casefulcmp != NULL)
+ {
+ set_jumps(common->casefulcmp, LABEL());
+ do_casefulcmp(common);
+ }
+if (common->caselesscmp != NULL)
+ {
+ set_jumps(common->caselesscmp, LABEL());
+ do_caselesscmp(common);
+ }
+if (common->reset_match != NULL)
+ {
+ set_jumps(common->reset_match, LABEL());
+ do_reset_match(common, (re->top_bracket + 1) * 2);
+ CMPTO(SLJIT_GREATER, STR_PTR, 0, TMP1, 0, continue_match_label);
+ OP1(SLJIT_MOV, STR_PTR, 0, TMP1, 0);
+ JUMPTO(SLJIT_JUMP, reset_match_label);
+ }
+#ifdef SUPPORT_UTF
+#ifdef COMPILE_PCRE8
+if (common->utfreadchar != NULL)
+ {
+ set_jumps(common->utfreadchar, LABEL());
+ do_utfreadchar(common);
+ }
+if (common->utfreadchar16 != NULL)
+ {
+ set_jumps(common->utfreadchar16, LABEL());
+ do_utfreadchar16(common);
+ }
+if (common->utfreadtype8 != NULL)
+ {
+ set_jumps(common->utfreadtype8, LABEL());
+ do_utfreadtype8(common);
+ }
+#endif /* COMPILE_PCRE8 */
+#endif /* SUPPORT_UTF */
+#ifdef SUPPORT_UCP
+if (common->getucd != NULL)
+ {
+ set_jumps(common->getucd, LABEL());
+ do_getucd(common);
+ }
+#endif
+
+SLJIT_FREE(common->optimized_cbracket, compiler->allocator_data);
+SLJIT_FREE(common->private_data_ptrs, compiler->allocator_data);
+
+executable_func = sljit_generate_code(compiler);
+executable_size = sljit_get_generated_code_size(compiler);
+label_addr = common->label_addrs;
+while (label_addr != NULL)
+ {
+ *label_addr->update_addr = sljit_get_label_addr(label_addr->label);
+ label_addr = label_addr->next;
+ }
+sljit_free_compiler(compiler);
+if (executable_func == NULL)
+ {
+ free_read_only_data(common->read_only_data_head, compiler->allocator_data);
+ return;
+ }
+
+/* Reuse the function descriptor if possible. */
+if ((extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0 && extra->executable_jit != NULL)
+ functions = (executable_functions *)extra->executable_jit;
+else
+ {
+ /* Note: If your memory-checker has flagged the allocation below as a
+ * memory leak, it is probably because you either forgot to call
+ * pcre_free_study() (or pcre16_free_study()) on the pcre_extra (or
+ * pcre16_extra) object, or you called said function after having
+ * cleared the PCRE_EXTRA_EXECUTABLE_JIT bit from the "flags" field
+ * of the object. (The function will only free the JIT data if the
+ * bit remains set, as the bit indicates that the pointer to the data
+ * is valid.)
+ */
+ functions = SLJIT_MALLOC(sizeof(executable_functions), compiler->allocator_data);
+ if (functions == NULL)
+ {
+ /* This case is highly unlikely since we just recently
+ freed a lot of memory. Not impossible though. */
+ sljit_free_code(executable_func);
+ free_read_only_data(common->read_only_data_head, compiler->allocator_data);
+ return;
+ }
+ memset(functions, 0, sizeof(executable_functions));
+ functions->top_bracket = (re->top_bracket + 1) * 2;
+ functions->limit_match = (re->flags & PCRE_MLSET) != 0 ? re->limit_match : 0;
+ extra->executable_jit = functions;
+ extra->flags |= PCRE_EXTRA_EXECUTABLE_JIT;
+ }
+
+functions->executable_funcs[mode] = executable_func;
+functions->read_only_data_heads[mode] = common->read_only_data_head;
+functions->executable_sizes[mode] = executable_size;
+}
+
+static SLJIT_NOINLINE int jit_machine_stack_exec(jit_arguments *arguments, void *executable_func)
+{
+union {
+ void *executable_func;
+ jit_function call_executable_func;
+} convert_executable_func;
+sljit_u8 local_space[MACHINE_STACK_SIZE];
+struct sljit_stack local_stack;
+
+local_stack.min_start = local_space;
+local_stack.start = local_space;
+local_stack.end = local_space + MACHINE_STACK_SIZE;
+local_stack.top = local_space + MACHINE_STACK_SIZE;
+arguments->stack = &local_stack;
+convert_executable_func.executable_func = executable_func;
+return convert_executable_func.call_executable_func(arguments);
+}
+
+int
+PRIV(jit_exec)(const PUBL(extra) *extra_data, const pcre_uchar *subject,
+ int length, int start_offset, int options, int *offsets, int offset_count)
+{
+executable_functions *functions = (executable_functions *)extra_data->executable_jit;
+union {
+ void *executable_func;
+ jit_function call_executable_func;
+} convert_executable_func;
+jit_arguments arguments;
+int max_offset_count;
+int retval;
+int mode = JIT_COMPILE;
+
+if ((options & PCRE_PARTIAL_HARD) != 0)
+ mode = JIT_PARTIAL_HARD_COMPILE;
+else if ((options & PCRE_PARTIAL_SOFT) != 0)
+ mode = JIT_PARTIAL_SOFT_COMPILE;
+
+if (functions->executable_funcs[mode] == NULL)
+ return PCRE_ERROR_JIT_BADOPTION;
+
+/* Sanity checks should be handled by pcre_exec. */
+arguments.str = subject + start_offset;
+arguments.begin = subject;
+arguments.end = subject + length;
+arguments.mark_ptr = NULL;
+/* JIT decreases this value less frequently than the interpreter. */
+arguments.limit_match = ((extra_data->flags & PCRE_EXTRA_MATCH_LIMIT) == 0) ? MATCH_LIMIT : (sljit_u32)(extra_data->match_limit);
+if (functions->limit_match != 0 && functions->limit_match < arguments.limit_match)
+ arguments.limit_match = functions->limit_match;
+arguments.notbol = (options & PCRE_NOTBOL) != 0;
+arguments.noteol = (options & PCRE_NOTEOL) != 0;
+arguments.notempty = (options & PCRE_NOTEMPTY) != 0;
+arguments.notempty_atstart = (options & PCRE_NOTEMPTY_ATSTART) != 0;
+arguments.offsets = offsets;
+arguments.callout_data = (extra_data->flags & PCRE_EXTRA_CALLOUT_DATA) != 0 ? extra_data->callout_data : NULL;
+arguments.real_offset_count = offset_count;
+
+/* pcre_exec() rounds offset_count to a multiple of 3, and then uses only 2/3 of
+the output vector for storing captured strings, with the remainder used as
+workspace. We don't need the workspace here. For compatibility, we limit the
+number of captured strings in the same way as pcre_exec(), so that the user
+gets the same result with and without JIT. */
+
+if (offset_count != 2)
+ offset_count = ((offset_count - (offset_count % 3)) * 2) / 3;
+max_offset_count = functions->top_bracket;
+if (offset_count > max_offset_count)
+ offset_count = max_offset_count;
+arguments.offset_count = offset_count;
+
+if (functions->callback)
+ arguments.stack = (struct sljit_stack *)functions->callback(functions->userdata);
+else
+ arguments.stack = (struct sljit_stack *)functions->userdata;
+
+if (arguments.stack == NULL)
+ retval = jit_machine_stack_exec(&arguments, functions->executable_funcs[mode]);
+else
+ {
+ convert_executable_func.executable_func = functions->executable_funcs[mode];
+ retval = convert_executable_func.call_executable_func(&arguments);
+ }
+
+if (retval * 2 > offset_count)
+ retval = 0;
+if ((extra_data->flags & PCRE_EXTRA_MARK) != 0)
+ *(extra_data->mark) = arguments.mark_ptr;
+
+return retval;
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_jit_exec(const pcre *argument_re, const pcre_extra *extra_data,
+ PCRE_SPTR subject, int length, int start_offset, int options,
+ int *offsets, int offset_count, pcre_jit_stack *stack)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_jit_exec(const pcre16 *argument_re, const pcre16_extra *extra_data,
+ PCRE_SPTR16 subject, int length, int start_offset, int options,
+ int *offsets, int offset_count, pcre16_jit_stack *stack)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_jit_exec(const pcre32 *argument_re, const pcre32_extra *extra_data,
+ PCRE_SPTR32 subject, int length, int start_offset, int options,
+ int *offsets, int offset_count, pcre32_jit_stack *stack)
+#endif
+{
+pcre_uchar *subject_ptr = (pcre_uchar *)subject;
+executable_functions *functions = (executable_functions *)extra_data->executable_jit;
+union {
+ void *executable_func;
+ jit_function call_executable_func;
+} convert_executable_func;
+jit_arguments arguments;
+int max_offset_count;
+int retval;
+int mode = JIT_COMPILE;
+
+SLJIT_UNUSED_ARG(argument_re);
+
+/* Plausibility checks */
+if ((options & ~PUBLIC_JIT_EXEC_OPTIONS) != 0) return PCRE_ERROR_JIT_BADOPTION;
+
+if ((options & PCRE_PARTIAL_HARD) != 0)
+ mode = JIT_PARTIAL_HARD_COMPILE;
+else if ((options & PCRE_PARTIAL_SOFT) != 0)
+ mode = JIT_PARTIAL_SOFT_COMPILE;
+
+if (functions == NULL || functions->executable_funcs[mode] == NULL)
+ return PCRE_ERROR_JIT_BADOPTION;
+
+/* Sanity checks should be handled by pcre_exec. */
+arguments.stack = (struct sljit_stack *)stack;
+arguments.str = subject_ptr + start_offset;
+arguments.begin = subject_ptr;
+arguments.end = subject_ptr + length;
+arguments.mark_ptr = NULL;
+/* JIT decreases this value less frequently than the interpreter. */
+arguments.limit_match = ((extra_data->flags & PCRE_EXTRA_MATCH_LIMIT) == 0) ? MATCH_LIMIT : (sljit_u32)(extra_data->match_limit);
+if (functions->limit_match != 0 && functions->limit_match < arguments.limit_match)
+ arguments.limit_match = functions->limit_match;
+arguments.notbol = (options & PCRE_NOTBOL) != 0;
+arguments.noteol = (options & PCRE_NOTEOL) != 0;
+arguments.notempty = (options & PCRE_NOTEMPTY) != 0;
+arguments.notempty_atstart = (options & PCRE_NOTEMPTY_ATSTART) != 0;
+arguments.offsets = offsets;
+arguments.callout_data = (extra_data->flags & PCRE_EXTRA_CALLOUT_DATA) != 0 ? extra_data->callout_data : NULL;
+arguments.real_offset_count = offset_count;
+
+/* pcre_exec() rounds offset_count to a multiple of 3, and then uses only 2/3 of
+the output vector for storing captured strings, with the remainder used as
+workspace. We don't need the workspace here. For compatibility, we limit the
+number of captured strings in the same way as pcre_exec(), so that the user
+gets the same result with and without JIT. */
+
+if (offset_count != 2)
+ offset_count = ((offset_count - (offset_count % 3)) * 2) / 3;
+max_offset_count = functions->top_bracket;
+if (offset_count > max_offset_count)
+ offset_count = max_offset_count;
+arguments.offset_count = offset_count;
+
+convert_executable_func.executable_func = functions->executable_funcs[mode];
+retval = convert_executable_func.call_executable_func(&arguments);
+
+if (retval * 2 > offset_count)
+ retval = 0;
+if ((extra_data->flags & PCRE_EXTRA_MARK) != 0)
+ *(extra_data->mark) = arguments.mark_ptr;
+
+return retval;
+}
+
+void
+PRIV(jit_free)(void *executable_funcs)
+{
+int i;
+executable_functions *functions = (executable_functions *)executable_funcs;
+for (i = 0; i < JIT_NUMBER_OF_COMPILE_MODES; i++)
+ {
+ if (functions->executable_funcs[i] != NULL)
+ sljit_free_code(functions->executable_funcs[i]);
+ free_read_only_data(functions->read_only_data_heads[i], NULL);
+ }
+SLJIT_FREE(functions, compiler->allocator_data);
+}
+
+int
+PRIV(jit_get_size)(void *executable_funcs)
+{
+int i;
+sljit_uw size = 0;
+sljit_uw *executable_sizes = ((executable_functions *)executable_funcs)->executable_sizes;
+for (i = 0; i < JIT_NUMBER_OF_COMPILE_MODES; i++)
+ size += executable_sizes[i];
+return (int)size;
+}
+
+const char*
+PRIV(jit_get_target)(void)
+{
+return sljit_get_platform_name();
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL pcre_jit_stack *
+pcre_jit_stack_alloc(int startsize, int maxsize)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL pcre16_jit_stack *
+pcre16_jit_stack_alloc(int startsize, int maxsize)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL pcre32_jit_stack *
+pcre32_jit_stack_alloc(int startsize, int maxsize)
+#endif
+{
+if (startsize < 1 || maxsize < 1)
+ return NULL;
+if (startsize > maxsize)
+ startsize = maxsize;
+startsize = (startsize + STACK_GROWTH_RATE - 1) & ~(STACK_GROWTH_RATE - 1);
+maxsize = (maxsize + STACK_GROWTH_RATE - 1) & ~(STACK_GROWTH_RATE - 1);
+return (PUBL(jit_stack)*)sljit_allocate_stack(startsize, maxsize, NULL);
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_jit_stack_free(pcre_jit_stack *stack)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_jit_stack_free(pcre16_jit_stack *stack)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_jit_stack_free(pcre32_jit_stack *stack)
+#endif
+{
+sljit_free_stack((struct sljit_stack *)stack, NULL);
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_assign_jit_stack(pcre_extra *extra, pcre_jit_callback callback, void *userdata)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_assign_jit_stack(pcre16_extra *extra, pcre16_jit_callback callback, void *userdata)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_assign_jit_stack(pcre32_extra *extra, pcre32_jit_callback callback, void *userdata)
+#endif
+{
+executable_functions *functions;
+if (extra != NULL &&
+ (extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0 &&
+ extra->executable_jit != NULL)
+ {
+ functions = (executable_functions *)extra->executable_jit;
+ functions->callback = callback;
+ functions->userdata = userdata;
+ }
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_jit_free_unused_memory(void)
+#endif
+{
+sljit_free_unused_memory_exec();
+}
+
+#else /* SUPPORT_JIT */
+
+/* These are dummy functions to avoid linking errors when JIT support is not
+being compiled. */
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL pcre_jit_stack *
+pcre_jit_stack_alloc(int startsize, int maxsize)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL pcre16_jit_stack *
+pcre16_jit_stack_alloc(int startsize, int maxsize)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL pcre32_jit_stack *
+pcre32_jit_stack_alloc(int startsize, int maxsize)
+#endif
+{
+(void)startsize;
+(void)maxsize;
+return NULL;
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_jit_stack_free(pcre_jit_stack *stack)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_jit_stack_free(pcre16_jit_stack *stack)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_jit_stack_free(pcre32_jit_stack *stack)
+#endif
+{
+(void)stack;
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_assign_jit_stack(pcre_extra *extra, pcre_jit_callback callback, void *userdata)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_assign_jit_stack(pcre16_extra *extra, pcre16_jit_callback callback, void *userdata)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_assign_jit_stack(pcre32_extra *extra, pcre32_jit_callback callback, void *userdata)
+#endif
+{
+(void)extra;
+(void)callback;
+(void)userdata;
+}
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_jit_free_unused_memory(void)
+#endif
+{
+}
+
+#endif
+
+/* End of pcre_jit_compile.c */
diff --git a/deps/pcre/pcre_maketables.c b/deps/pcre/pcre_maketables.c
new file mode 100644
index 0000000..a44a6ea
--- /dev/null
+++ b/deps/pcre/pcre_maketables.c
@@ -0,0 +1,156 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains the external function pcre_maketables(), which builds
+character tables for PCRE in the current locale. The file is compiled on its
+own as part of the PCRE library. However, it is also included in the
+compilation of dftables.c, in which case the macro DFTABLES is defined. */
+
+
+#ifndef DFTABLES
+# ifdef HAVE_CONFIG_H
+# include "config.h"
+# endif
+# include "pcre_internal.h"
+#endif
+
+
+/*************************************************
+* Create PCRE character tables *
+*************************************************/
+
+/* This function builds a set of character tables for use by PCRE and returns
+a pointer to them. They are build using the ctype functions, and consequently
+their contents will depend upon the current locale setting. When compiled as
+part of the library, the store is obtained via PUBL(malloc)(), but when
+compiled inside dftables, use malloc().
+
+Arguments: none
+Returns: pointer to the contiguous block of data
+*/
+
+#if defined COMPILE_PCRE8
+const unsigned char *
+pcre_maketables(void)
+#elif defined COMPILE_PCRE16
+const unsigned char *
+pcre16_maketables(void)
+#elif defined COMPILE_PCRE32
+const unsigned char *
+pcre32_maketables(void)
+#endif
+{
+unsigned char *yield, *p;
+int i;
+
+#ifndef DFTABLES
+yield = (unsigned char*)(PUBL(malloc))(tables_length);
+#else
+yield = (unsigned char*)malloc(tables_length);
+#endif
+
+if (yield == NULL) return NULL;
+p = yield;
+
+/* First comes the lower casing table */
+
+for (i = 0; i < 256; i++) *p++ = tolower(i);
+
+/* Next the case-flipping table */
+
+for (i = 0; i < 256; i++) *p++ = islower(i)? toupper(i) : tolower(i);
+
+/* Then the character class tables. Don't try to be clever and save effort on
+exclusive ones - in some locales things may be different.
+
+Note that the table for "space" includes everything "isspace" gives, including
+VT in the default locale. This makes it work for the POSIX class [:space:].
+From release 8.34 is is also correct for Perl space, because Perl added VT at
+release 5.18.
+
+Note also that it is possible for a character to be alnum or alpha without
+being lower or upper, such as "male and female ordinals" (\xAA and \xBA) in the
+fr_FR locale (at least under Debian Linux's locales as of 12/2005). So we must
+test for alnum specially. */
+
+memset(p, 0, cbit_length);
+for (i = 0; i < 256; i++)
+ {
+ if (isdigit(i)) p[cbit_digit + i/8] |= 1 << (i&7);
+ if (isupper(i)) p[cbit_upper + i/8] |= 1 << (i&7);
+ if (islower(i)) p[cbit_lower + i/8] |= 1 << (i&7);
+ if (isalnum(i)) p[cbit_word + i/8] |= 1 << (i&7);
+ if (i == '_') p[cbit_word + i/8] |= 1 << (i&7);
+ if (isspace(i)) p[cbit_space + i/8] |= 1 << (i&7);
+ if (isxdigit(i))p[cbit_xdigit + i/8] |= 1 << (i&7);
+ if (isgraph(i)) p[cbit_graph + i/8] |= 1 << (i&7);
+ if (isprint(i)) p[cbit_print + i/8] |= 1 << (i&7);
+ if (ispunct(i)) p[cbit_punct + i/8] |= 1 << (i&7);
+ if (iscntrl(i)) p[cbit_cntrl + i/8] |= 1 << (i&7);
+ }
+p += cbit_length;
+
+/* Finally, the character type table. In this, we used to exclude VT from the
+white space chars, because Perl didn't recognize it as such for \s and for
+comments within regexes. However, Perl changed at release 5.18, so PCRE changed
+at release 8.34. */
+
+for (i = 0; i < 256; i++)
+ {
+ int x = 0;
+ if (isspace(i)) x += ctype_space;
+ if (isalpha(i)) x += ctype_letter;
+ if (isdigit(i)) x += ctype_digit;
+ if (isxdigit(i)) x += ctype_xdigit;
+ if (isalnum(i) || i == '_') x += ctype_word;
+
+ /* Note: strchr includes the terminating zero in the characters it considers.
+ In this instance, that is ok because we want binary zero to be flagged as a
+ meta-character, which in this sense is any character that terminates a run
+ of data characters. */
+
+ if (strchr("\\*+?{^.$|()[", i) != 0) x += ctype_meta;
+ *p++ = x;
+ }
+
+return yield;
+}
+
+/* End of pcre_maketables.c */
diff --git a/deps/pcre/pcre_newline.c b/deps/pcre/pcre_newline.c
new file mode 100644
index 0000000..b8f5a4d
--- /dev/null
+++ b/deps/pcre/pcre_newline.c
@@ -0,0 +1,210 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains internal functions for testing newlines when more than
+one kind of newline is to be recognized. When a newline is found, its length is
+returned. In principle, we could implement several newline "types", each
+referring to a different set of newline characters. At present, PCRE supports
+only NLTYPE_FIXED, which gets handled without these functions, NLTYPE_ANYCRLF,
+and NLTYPE_ANY. The full list of Unicode newline characters is taken from
+http://unicode.org/unicode/reports/tr18/. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+
+/*************************************************
+* Check for newline at given position *
+*************************************************/
+
+/* It is guaranteed that the initial value of ptr is less than the end of the
+string that is being processed.
+
+Arguments:
+ ptr pointer to possible newline
+ type the newline type
+ endptr pointer to the end of the string
+ lenptr where to return the length
+ utf TRUE if in utf mode
+
+Returns: TRUE or FALSE
+*/
+
+BOOL
+PRIV(is_newline)(PCRE_PUCHAR ptr, int type, PCRE_PUCHAR endptr, int *lenptr,
+ BOOL utf)
+{
+pcre_uint32 c;
+(void)utf;
+#ifdef SUPPORT_UTF
+if (utf)
+ {
+ GETCHAR(c, ptr);
+ }
+else
+#endif /* SUPPORT_UTF */
+ c = *ptr;
+
+/* Note that this function is called only for ANY or ANYCRLF. */
+
+if (type == NLTYPE_ANYCRLF) switch(c)
+ {
+ case CHAR_LF: *lenptr = 1; return TRUE;
+ case CHAR_CR: *lenptr = (ptr < endptr - 1 && ptr[1] == CHAR_LF)? 2 : 1;
+ return TRUE;
+ default: return FALSE;
+ }
+
+/* NLTYPE_ANY */
+
+else switch(c)
+ {
+#ifdef EBCDIC
+ case CHAR_NEL:
+#endif
+ case CHAR_LF:
+ case CHAR_VT:
+ case CHAR_FF: *lenptr = 1; return TRUE;
+
+ case CHAR_CR:
+ *lenptr = (ptr < endptr - 1 && ptr[1] == CHAR_LF)? 2 : 1;
+ return TRUE;
+
+#ifndef EBCDIC
+#ifdef COMPILE_PCRE8
+ case CHAR_NEL: *lenptr = utf? 2 : 1; return TRUE;
+ case 0x2028: /* LS */
+ case 0x2029: *lenptr = 3; return TRUE; /* PS */
+#else /* COMPILE_PCRE16 || COMPILE_PCRE32 */
+ case CHAR_NEL:
+ case 0x2028: /* LS */
+ case 0x2029: *lenptr = 1; return TRUE; /* PS */
+#endif /* COMPILE_PCRE8 */
+#endif /* Not EBCDIC */
+
+ default: return FALSE;
+ }
+}
+
+
+
+/*************************************************
+* Check for newline at previous position *
+*************************************************/
+
+/* It is guaranteed that the initial value of ptr is greater than the start of
+the string that is being processed.
+
+Arguments:
+ ptr pointer to possible newline
+ type the newline type
+ startptr pointer to the start of the string
+ lenptr where to return the length
+ utf TRUE if in utf mode
+
+Returns: TRUE or FALSE
+*/
+
+BOOL
+PRIV(was_newline)(PCRE_PUCHAR ptr, int type, PCRE_PUCHAR startptr, int *lenptr,
+ BOOL utf)
+{
+pcre_uint32 c;
+(void)utf;
+ptr--;
+#ifdef SUPPORT_UTF
+if (utf)
+ {
+ BACKCHAR(ptr);
+ GETCHAR(c, ptr);
+ }
+else
+#endif /* SUPPORT_UTF */
+ c = *ptr;
+
+/* Note that this function is called only for ANY or ANYCRLF. */
+
+if (type == NLTYPE_ANYCRLF) switch(c)
+ {
+ case CHAR_LF:
+ *lenptr = (ptr > startptr && ptr[-1] == CHAR_CR)? 2 : 1;
+ return TRUE;
+
+ case CHAR_CR: *lenptr = 1; return TRUE;
+ default: return FALSE;
+ }
+
+/* NLTYPE_ANY */
+
+else switch(c)
+ {
+ case CHAR_LF:
+ *lenptr = (ptr > startptr && ptr[-1] == CHAR_CR)? 2 : 1;
+ return TRUE;
+
+#ifdef EBCDIC
+ case CHAR_NEL:
+#endif
+ case CHAR_VT:
+ case CHAR_FF:
+ case CHAR_CR: *lenptr = 1; return TRUE;
+
+#ifndef EBCDIC
+#ifdef COMPILE_PCRE8
+ case CHAR_NEL: *lenptr = utf? 2 : 1; return TRUE;
+ case 0x2028: /* LS */
+ case 0x2029: *lenptr = 3; return TRUE; /* PS */
+#else /* COMPILE_PCRE16 || COMPILE_PCRE32 */
+ case CHAR_NEL:
+ case 0x2028: /* LS */
+ case 0x2029: *lenptr = 1; return TRUE; /* PS */
+#endif /* COMPILE_PCRE8 */
+#endif /* NotEBCDIC */
+
+ default: return FALSE;
+ }
+}
+
+/* End of pcre_newline.c */
diff --git a/deps/pcre/pcre_ord2utf8.c b/deps/pcre/pcre_ord2utf8.c
new file mode 100644
index 0000000..95f1beb
--- /dev/null
+++ b/deps/pcre/pcre_ord2utf8.c
@@ -0,0 +1,94 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This file contains a private PCRE function that converts an ordinal
+character value into a UTF8 string. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define COMPILE_PCRE8
+
+#include "pcre_internal.h"
+
+/*************************************************
+* Convert character value to UTF-8 *
+*************************************************/
+
+/* This function takes an integer value in the range 0 - 0x10ffff
+and encodes it as a UTF-8 character in 1 to 4 pcre_uchars.
+
+Arguments:
+ cvalue the character value
+ buffer pointer to buffer for result - at least 6 pcre_uchars long
+
+Returns: number of characters placed in the buffer
+*/
+
+unsigned
+int
+PRIV(ord2utf)(pcre_uint32 cvalue, pcre_uchar *buffer)
+{
+#ifdef SUPPORT_UTF
+
+register int i, j;
+
+for (i = 0; i < PRIV(utf8_table1_size); i++)
+ if ((int)cvalue <= PRIV(utf8_table1)[i]) break;
+buffer += i;
+for (j = i; j > 0; j--)
+ {
+ *buffer-- = 0x80 | (cvalue & 0x3f);
+ cvalue >>= 6;
+ }
+*buffer = PRIV(utf8_table2)[i] | cvalue;
+return i + 1;
+
+#else
+
+(void)(cvalue); /* Keep compiler happy; this function won't ever be */
+(void)(buffer); /* called when SUPPORT_UTF is not defined. */
+return 0;
+
+#endif
+}
+
+/* End of pcre_ord2utf8.c */
diff --git a/deps/pcre/pcre_printint.c b/deps/pcre/pcre_printint.c
new file mode 100644
index 0000000..60dcb55
--- /dev/null
+++ b/deps/pcre/pcre_printint.c
@@ -0,0 +1,834 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains a PCRE private debugging function for printing out the
+internal form of a compiled regular expression, along with some supporting
+local functions. This source file is used in two places:
+
+(1) It is #included by pcre_compile.c when it is compiled in debugging mode
+(PCRE_DEBUG defined in pcre_internal.h). It is not included in production
+compiles. In this case PCRE_INCLUDED is defined.
+
+(2) It is also compiled separately and linked with pcretest.c, which can be
+asked to print out a compiled regex for debugging purposes. */
+
+#ifndef PCRE_INCLUDED
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* For pcretest program. */
+#define PRIV(name) name
+
+/* We have to include pcre_internal.h because we need the internal info for
+displaying the results of pcre_study() and we also need to know about the
+internal macros, structures, and other internal data values; pcretest has
+"inside information" compared to a program that strictly follows the PCRE API.
+
+Although pcre_internal.h does itself include pcre.h, we explicitly include it
+here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
+appropriately for an application, not for building PCRE. */
+
+#include "pcre.h"
+#include "pcre_internal.h"
+
+/* These are the funtions that are contained within. It doesn't seem worth
+having a separate .h file just for this. */
+
+#endif /* PCRE_INCLUDED */
+
+#ifdef PCRE_INCLUDED
+static /* Keep the following function as private. */
+#endif
+
+#if defined COMPILE_PCRE8
+void pcre_printint(pcre *external_re, FILE *f, BOOL print_lengths);
+#elif defined COMPILE_PCRE16
+void pcre16_printint(pcre *external_re, FILE *f, BOOL print_lengths);
+#elif defined COMPILE_PCRE32
+void pcre32_printint(pcre *external_re, FILE *f, BOOL print_lengths);
+#endif
+
+/* Macro that decides whether a character should be output as a literal or in
+hexadecimal. We don't use isprint() because that can vary from system to system
+(even without the use of locales) and we want the output always to be the same,
+for testing purposes. */
+
+#ifdef EBCDIC
+#define PRINTABLE(c) ((c) >= 64 && (c) < 255)
+#else
+#define PRINTABLE(c) ((c) >= 32 && (c) < 127)
+#endif
+
+/* The table of operator names. */
+
+static const char *priv_OP_names[] = { OP_NAME_LIST };
+
+/* This table of operator lengths is not actually used by the working code,
+but its size is needed for a check that ensures it is the correct size for the
+number of opcodes (thus catching update omissions). */
+
+static const pcre_uint8 priv_OP_lengths[] = { OP_LENGTHS };
+
+
+
+/*************************************************
+* Print single- or multi-byte character *
+*************************************************/
+
+static unsigned int
+print_char(FILE *f, pcre_uchar *ptr, BOOL utf)
+{
+pcre_uint32 c = *ptr;
+
+#ifndef SUPPORT_UTF
+
+(void)utf; /* Avoid compiler warning */
+if (PRINTABLE(c)) fprintf(f, "%c", (char)c);
+else if (c <= 0x80) fprintf(f, "\\x%02x", c);
+else fprintf(f, "\\x{%x}", c);
+return 0;
+
+#else
+
+#if defined COMPILE_PCRE8
+
+if (!utf || (c & 0xc0) != 0xc0)
+ {
+ if (PRINTABLE(c)) fprintf(f, "%c", (char)c);
+ else if (c < 0x80) fprintf(f, "\\x%02x", c);
+ else fprintf(f, "\\x{%02x}", c);
+ return 0;
+ }
+else
+ {
+ int i;
+ int a = PRIV(utf8_table4)[c & 0x3f]; /* Number of additional bytes */
+ int s = 6*a;
+ c = (c & PRIV(utf8_table3)[a]) << s;
+ for (i = 1; i <= a; i++)
+ {
+ /* This is a check for malformed UTF-8; it should only occur if the sanity
+ check has been turned off. Rather than swallow random bytes, just stop if
+ we hit a bad one. Print it with \X instead of \x as an indication. */
+
+ if ((ptr[i] & 0xc0) != 0x80)
+ {
+ fprintf(f, "\\X{%x}", c);
+ return i - 1;
+ }
+
+ /* The byte is OK */
+
+ s -= 6;
+ c |= (ptr[i] & 0x3f) << s;
+ }
+ fprintf(f, "\\x{%x}", c);
+ return a;
+ }
+
+#elif defined COMPILE_PCRE16
+
+if (!utf || (c & 0xfc00) != 0xd800)
+ {
+ if (PRINTABLE(c)) fprintf(f, "%c", (char)c);
+ else if (c <= 0x80) fprintf(f, "\\x%02x", c);
+ else fprintf(f, "\\x{%02x}", c);
+ return 0;
+ }
+else
+ {
+ /* This is a check for malformed UTF-16; it should only occur if the sanity
+ check has been turned off. Rather than swallow a low surrogate, just stop if
+ we hit a bad one. Print it with \X instead of \x as an indication. */
+
+ if ((ptr[1] & 0xfc00) != 0xdc00)
+ {
+ fprintf(f, "\\X{%x}", c);
+ return 0;
+ }
+
+ c = (((c & 0x3ff) << 10) | (ptr[1] & 0x3ff)) + 0x10000;
+ fprintf(f, "\\x{%x}", c);
+ return 1;
+ }
+
+#elif defined COMPILE_PCRE32
+
+if (!utf || (c & 0xfffff800u) != 0xd800u)
+ {
+ if (PRINTABLE(c)) fprintf(f, "%c", (char)c);
+ else if (c <= 0x80) fprintf(f, "\\x%02x", c);
+ else fprintf(f, "\\x{%x}", c);
+ return 0;
+ }
+else
+ {
+ /* This is a check for malformed UTF-32; it should only occur if the sanity
+ check has been turned off. Rather than swallow a surrogate, just stop if
+ we hit one. Print it with \X instead of \x as an indication. */
+ fprintf(f, "\\X{%x}", c);
+ return 0;
+ }
+
+#endif /* COMPILE_PCRE[8|16|32] */
+
+#endif /* SUPPORT_UTF */
+}
+
+/*************************************************
+* Print uchar string (regardless of utf) *
+*************************************************/
+
+static void
+print_puchar(FILE *f, PCRE_PUCHAR ptr)
+{
+while (*ptr != '\0')
+ {
+ register pcre_uint32 c = *ptr++;
+ if (PRINTABLE(c)) fprintf(f, "%c", c); else fprintf(f, "\\x{%x}", c);
+ }
+}
+
+/*************************************************
+* Find Unicode property name *
+*************************************************/
+
+static const char *
+get_ucpname(unsigned int ptype, unsigned int pvalue)
+{
+#ifdef SUPPORT_UCP
+int i;
+for (i = PRIV(utt_size) - 1; i >= 0; i--)
+ {
+ if (ptype == PRIV(utt)[i].type && pvalue == PRIV(utt)[i].value) break;
+ }
+return (i >= 0)? PRIV(utt_names) + PRIV(utt)[i].name_offset : "??";
+#else
+/* It gets harder and harder to shut off unwanted compiler warnings. */
+ptype = ptype * pvalue;
+return (ptype == pvalue)? "??" : "??";
+#endif
+}
+
+
+/*************************************************
+* Print Unicode property value *
+*************************************************/
+
+/* "Normal" properties can be printed from tables. The PT_CLIST property is a
+pseudo-property that contains a pointer to a list of case-equivalent
+characters. This is used only when UCP support is available and UTF mode is
+selected. It should never occur otherwise, but just in case it does, have
+something ready to print. */
+
+static void
+print_prop(FILE *f, pcre_uchar *code, const char *before, const char *after)
+{
+if (code[1] != PT_CLIST)
+ {
+ fprintf(f, "%s%s %s%s", before, priv_OP_names[*code], get_ucpname(code[1],
+ code[2]), after);
+ }
+else
+ {
+ const char *not = (*code == OP_PROP)? "" : "not ";
+#ifndef SUPPORT_UCP
+ fprintf(f, "%s%sclist %d%s", before, not, code[2], after);
+#else
+ const pcre_uint32 *p = PRIV(ucd_caseless_sets) + code[2];
+ fprintf (f, "%s%sclist", before, not);
+ while (*p < NOTACHAR) fprintf(f, " %04x", *p++);
+ fprintf(f, "%s", after);
+#endif
+ }
+}
+
+
+
+
+/*************************************************
+* Print compiled regex *
+*************************************************/
+
+/* Make this function work for a regex with integers either byte order.
+However, we assume that what we are passed is a compiled regex. The
+print_lengths flag controls whether offsets and lengths of items are printed.
+They can be turned off from pcretest so that automatic tests on bytecode can be
+written that do not depend on the value of LINK_SIZE. */
+
+#ifdef PCRE_INCLUDED
+static /* Keep the following function as private. */
+#endif
+#if defined COMPILE_PCRE8
+void
+pcre_printint(pcre *external_re, FILE *f, BOOL print_lengths)
+#elif defined COMPILE_PCRE16
+void
+pcre16_printint(pcre *external_re, FILE *f, BOOL print_lengths)
+#elif defined COMPILE_PCRE32
+void
+pcre32_printint(pcre *external_re, FILE *f, BOOL print_lengths)
+#endif
+{
+REAL_PCRE *re = (REAL_PCRE *)external_re;
+pcre_uchar *codestart, *code;
+BOOL utf;
+
+unsigned int options = re->options;
+int offset = re->name_table_offset;
+int count = re->name_count;
+int size = re->name_entry_size;
+
+if (re->magic_number != MAGIC_NUMBER)
+ {
+ offset = ((offset << 8) & 0xff00) | ((offset >> 8) & 0xff);
+ count = ((count << 8) & 0xff00) | ((count >> 8) & 0xff);
+ size = ((size << 8) & 0xff00) | ((size >> 8) & 0xff);
+ options = ((options << 24) & 0xff000000) |
+ ((options << 8) & 0x00ff0000) |
+ ((options >> 8) & 0x0000ff00) |
+ ((options >> 24) & 0x000000ff);
+ }
+
+code = codestart = (pcre_uchar *)re + offset + count * size;
+/* PCRE_UTF(16|32) have the same value as PCRE_UTF8. */
+utf = (options & PCRE_UTF8) != 0;
+
+for(;;)
+ {
+ pcre_uchar *ccode;
+ const char *flag = " ";
+ pcre_uint32 c;
+ unsigned int extra = 0;
+
+ if (print_lengths)
+ fprintf(f, "%3d ", (int)(code - codestart));
+ else
+ fprintf(f, " ");
+
+ switch(*code)
+ {
+/* ========================================================================== */
+ /* These cases are never obeyed. This is a fudge that causes a compile-
+ time error if the vectors OP_names or OP_lengths, which are indexed
+ by opcode, are not the correct length. It seems to be the only way to do
+ such a check at compile time, as the sizeof() operator does not work in
+ the C preprocessor. */
+
+ case OP_TABLE_LENGTH:
+ case OP_TABLE_LENGTH +
+ ((sizeof(priv_OP_names)/sizeof(const char *) == OP_TABLE_LENGTH) &&
+ (sizeof(priv_OP_lengths) == OP_TABLE_LENGTH)):
+ break;
+/* ========================================================================== */
+
+ case OP_END:
+ fprintf(f, " %s\n", priv_OP_names[*code]);
+ fprintf(f, "------------------------------------------------------------------\n");
+ return;
+
+ case OP_CHAR:
+ fprintf(f, " ");
+ do
+ {
+ code++;
+ code += 1 + print_char(f, code, utf);
+ }
+ while (*code == OP_CHAR);
+ fprintf(f, "\n");
+ continue;
+
+ case OP_CHARI:
+ fprintf(f, " /i ");
+ do
+ {
+ code++;
+ code += 1 + print_char(f, code, utf);
+ }
+ while (*code == OP_CHARI);
+ fprintf(f, "\n");
+ continue;
+
+ case OP_CBRA:
+ case OP_CBRAPOS:
+ case OP_SCBRA:
+ case OP_SCBRAPOS:
+ if (print_lengths) fprintf(f, "%3d ", GET(code, 1));
+ else fprintf(f, " ");
+ fprintf(f, "%s %d", priv_OP_names[*code], GET2(code, 1+LINK_SIZE));
+ break;
+
+ case OP_BRA:
+ case OP_BRAPOS:
+ case OP_SBRA:
+ case OP_SBRAPOS:
+ case OP_KETRMAX:
+ case OP_KETRMIN:
+ case OP_KETRPOS:
+ case OP_ALT:
+ case OP_KET:
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_COND:
+ case OP_SCOND:
+ case OP_REVERSE:
+ if (print_lengths) fprintf(f, "%3d ", GET(code, 1));
+ else fprintf(f, " ");
+ fprintf(f, "%s", priv_OP_names[*code]);
+ break;
+
+ case OP_CLOSE:
+ fprintf(f, " %s %d", priv_OP_names[*code], GET2(code, 1));
+ break;
+
+ case OP_CREF:
+ fprintf(f, "%3d %s", GET2(code,1), priv_OP_names[*code]);
+ break;
+
+ case OP_DNCREF:
+ {
+ pcre_uchar *entry = (pcre_uchar *)re + offset + (GET2(code, 1) * size) +
+ IMM2_SIZE;
+ fprintf(f, " %s Cond ref <", flag);
+ print_puchar(f, entry);
+ fprintf(f, ">%d", GET2(code, 1 + IMM2_SIZE));
+ }
+ break;
+
+ case OP_RREF:
+ c = GET2(code, 1);
+ if (c == RREF_ANY)
+ fprintf(f, " Cond recurse any");
+ else
+ fprintf(f, " Cond recurse %d", c);
+ break;
+
+ case OP_DNRREF:
+ {
+ pcre_uchar *entry = (pcre_uchar *)re + offset + (GET2(code, 1) * size) +
+ IMM2_SIZE;
+ fprintf(f, " %s Cond recurse <", flag);
+ print_puchar(f, entry);
+ fprintf(f, ">%d", GET2(code, 1 + IMM2_SIZE));
+ }
+ break;
+
+ case OP_DEF:
+ fprintf(f, " Cond def");
+ break;
+
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_POSSTARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_POSPLUSI:
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_POSQUERYI:
+ flag = "/i";
+ /* Fall through */
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_POSSTAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_POSPLUS:
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_POSQUERY:
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEPOSPLUS:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSQUERY:
+ fprintf(f, " %s ", flag);
+ if (*code >= OP_TYPESTAR)
+ {
+ if (code[1] == OP_PROP || code[1] == OP_NOTPROP)
+ {
+ print_prop(f, code + 1, "", " ");
+ extra = 2;
+ }
+ else fprintf(f, "%s", priv_OP_names[code[1]]);
+ }
+ else extra = print_char(f, code+1, utf);
+ fprintf(f, "%s", priv_OP_names[*code]);
+ break;
+
+ case OP_EXACTI:
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_POSUPTOI:
+ flag = "/i";
+ /* Fall through */
+ case OP_EXACT:
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_POSUPTO:
+ fprintf(f, " %s ", flag);
+ extra = print_char(f, code + 1 + IMM2_SIZE, utf);
+ fprintf(f, "{");
+ if (*code != OP_EXACT && *code != OP_EXACTI) fprintf(f, "0,");
+ fprintf(f, "%d}", GET2(code,1));
+ if (*code == OP_MINUPTO || *code == OP_MINUPTOI) fprintf(f, "?");
+ else if (*code == OP_POSUPTO || *code == OP_POSUPTOI) fprintf(f, "+");
+ break;
+
+ case OP_TYPEEXACT:
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEPOSUPTO:
+ if (code[1 + IMM2_SIZE] == OP_PROP || code[1 + IMM2_SIZE] == OP_NOTPROP)
+ {
+ print_prop(f, code + IMM2_SIZE + 1, " ", " ");
+ extra = 2;
+ }
+ else fprintf(f, " %s", priv_OP_names[code[1 + IMM2_SIZE]]);
+ fprintf(f, "{");
+ if (*code != OP_TYPEEXACT) fprintf(f, "0,");
+ fprintf(f, "%d}", GET2(code,1));
+ if (*code == OP_TYPEMINUPTO) fprintf(f, "?");
+ else if (*code == OP_TYPEPOSUPTO) fprintf(f, "+");
+ break;
+
+ case OP_NOTI:
+ flag = "/i";
+ /* Fall through */
+ case OP_NOT:
+ fprintf(f, " %s [^", flag);
+ extra = print_char(f, code + 1, utf);
+ fprintf(f, "]");
+ break;
+
+ case OP_NOTSTARI:
+ case OP_NOTMINSTARI:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUSI:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTQUERYI:
+ case OP_NOTMINQUERYI:
+ case OP_NOTPOSQUERYI:
+ flag = "/i";
+ /* Fall through */
+
+ case OP_NOTSTAR:
+ case OP_NOTMINSTAR:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPLUS:
+ case OP_NOTMINPLUS:
+ case OP_NOTPOSPLUS:
+ case OP_NOTQUERY:
+ case OP_NOTMINQUERY:
+ case OP_NOTPOSQUERY:
+ fprintf(f, " %s [^", flag);
+ extra = print_char(f, code + 1, utf);
+ fprintf(f, "]%s", priv_OP_names[*code]);
+ break;
+
+ case OP_NOTEXACTI:
+ case OP_NOTUPTOI:
+ case OP_NOTMINUPTOI:
+ case OP_NOTPOSUPTOI:
+ flag = "/i";
+ /* Fall through */
+
+ case OP_NOTEXACT:
+ case OP_NOTUPTO:
+ case OP_NOTMINUPTO:
+ case OP_NOTPOSUPTO:
+ fprintf(f, " %s [^", flag);
+ extra = print_char(f, code + 1 + IMM2_SIZE, utf);
+ fprintf(f, "]{");
+ if (*code != OP_NOTEXACT && *code != OP_NOTEXACTI) fprintf(f, "0,");
+ fprintf(f, "%d}", GET2(code,1));
+ if (*code == OP_NOTMINUPTO || *code == OP_NOTMINUPTOI) fprintf(f, "?");
+ else
+ if (*code == OP_NOTPOSUPTO || *code == OP_NOTPOSUPTOI) fprintf(f, "+");
+ break;
+
+ case OP_RECURSE:
+ if (print_lengths) fprintf(f, "%3d ", GET(code, 1));
+ else fprintf(f, " ");
+ fprintf(f, "%s", priv_OP_names[*code]);
+ break;
+
+ case OP_REFI:
+ flag = "/i";
+ /* Fall through */
+ case OP_REF:
+ fprintf(f, " %s \\%d", flag, GET2(code,1));
+ ccode = code + priv_OP_lengths[*code];
+ goto CLASS_REF_REPEAT;
+
+ case OP_DNREFI:
+ flag = "/i";
+ /* Fall through */
+ case OP_DNREF:
+ {
+ pcre_uchar *entry = (pcre_uchar *)re + offset + (GET2(code, 1) * size) +
+ IMM2_SIZE;
+ fprintf(f, " %s \\k<", flag);
+ print_puchar(f, entry);
+ fprintf(f, ">%d", GET2(code, 1 + IMM2_SIZE));
+ }
+ ccode = code + priv_OP_lengths[*code];
+ goto CLASS_REF_REPEAT;
+
+ case OP_CALLOUT:
+ fprintf(f, " %s %d %d %d", priv_OP_names[*code], code[1], GET(code,2),
+ GET(code, 2 + LINK_SIZE));
+ break;
+
+ case OP_PROP:
+ case OP_NOTPROP:
+ print_prop(f, code, " ", "");
+ break;
+
+ /* OP_XCLASS cannot occur in 8-bit, non-UTF mode. However, there's no harm
+ in having this code always here, and it makes it less messy without all
+ those #ifdefs. */
+
+ case OP_CLASS:
+ case OP_NCLASS:
+ case OP_XCLASS:
+ {
+ int i;
+ unsigned int min, max;
+ BOOL printmap;
+ BOOL invertmap = FALSE;
+ pcre_uint8 *map;
+ pcre_uint8 inverted_map[32];
+
+ fprintf(f, " [");
+
+ if (*code == OP_XCLASS)
+ {
+ extra = GET(code, 1);
+ ccode = code + LINK_SIZE + 1;
+ printmap = (*ccode & XCL_MAP) != 0;
+ if ((*ccode & XCL_NOT) != 0)
+ {
+ invertmap = (*ccode & XCL_HASPROP) == 0;
+ fprintf(f, "^");
+ }
+ ccode++;
+ }
+ else
+ {
+ printmap = TRUE;
+ ccode = code + 1;
+ }
+
+ /* Print a bit map */
+
+ if (printmap)
+ {
+ map = (pcre_uint8 *)ccode;
+ if (invertmap)
+ {
+ for (i = 0; i < 32; i++) inverted_map[i] = ~map[i];
+ map = inverted_map;
+ }
+
+ for (i = 0; i < 256; i++)
+ {
+ if ((map[i/8] & (1 << (i&7))) != 0)
+ {
+ int j;
+ for (j = i+1; j < 256; j++)
+ if ((map[j/8] & (1 << (j&7))) == 0) break;
+ if (i == '-' || i == ']') fprintf(f, "\\");
+ if (PRINTABLE(i)) fprintf(f, "%c", i);
+ else fprintf(f, "\\x%02x", i);
+ if (--j > i)
+ {
+ if (j != i + 1) fprintf(f, "-");
+ if (j == '-' || j == ']') fprintf(f, "\\");
+ if (PRINTABLE(j)) fprintf(f, "%c", j);
+ else fprintf(f, "\\x%02x", j);
+ }
+ i = j;
+ }
+ }
+ ccode += 32 / sizeof(pcre_uchar);
+ }
+
+ /* For an XCLASS there is always some additional data */
+
+ if (*code == OP_XCLASS)
+ {
+ pcre_uchar ch;
+ while ((ch = *ccode++) != XCL_END)
+ {
+ BOOL not = FALSE;
+ const char *notch = "";
+
+ switch(ch)
+ {
+ case XCL_NOTPROP:
+ not = TRUE;
+ notch = "^";
+ /* Fall through */
+
+ case XCL_PROP:
+ {
+ unsigned int ptype = *ccode++;
+ unsigned int pvalue = *ccode++;
+
+ switch(ptype)
+ {
+ case PT_PXGRAPH:
+ fprintf(f, "[:%sgraph:]", notch);
+ break;
+
+ case PT_PXPRINT:
+ fprintf(f, "[:%sprint:]", notch);
+ break;
+
+ case PT_PXPUNCT:
+ fprintf(f, "[:%spunct:]", notch);
+ break;
+
+ default:
+ fprintf(f, "\\%c{%s}", (not? 'P':'p'),
+ get_ucpname(ptype, pvalue));
+ break;
+ }
+ }
+ break;
+
+ default:
+ ccode += 1 + print_char(f, ccode, utf);
+ if (ch == XCL_RANGE)
+ {
+ fprintf(f, "-");
+ ccode += 1 + print_char(f, ccode, utf);
+ }
+ break;
+ }
+ }
+ }
+
+ /* Indicate a non-UTF class which was created by negation */
+
+ fprintf(f, "]%s", (*code == OP_NCLASS)? " (neg)" : "");
+
+ /* Handle repeats after a class or a back reference */
+
+ CLASS_REF_REPEAT:
+ switch(*ccode)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSPLUS:
+ case OP_CRPOSQUERY:
+ fprintf(f, "%s", priv_OP_names[*ccode]);
+ extra += priv_OP_lengths[*ccode];
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ min = GET2(ccode,1);
+ max = GET2(ccode,1 + IMM2_SIZE);
+ if (max == 0) fprintf(f, "{%u,}", min);
+ else fprintf(f, "{%u,%u}", min, max);
+ if (*ccode == OP_CRMINRANGE) fprintf(f, "?");
+ else if (*ccode == OP_CRPOSRANGE) fprintf(f, "+");
+ extra += priv_OP_lengths[*ccode];
+ break;
+
+ /* Do nothing if it's not a repeat; this code stops picky compilers
+ warning about the lack of a default code path. */
+
+ default:
+ break;
+ }
+ }
+ break;
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ fprintf(f, " %s ", priv_OP_names[*code]);
+ print_puchar(f, code + 2);
+ extra += code[1];
+ break;
+
+ case OP_THEN:
+ fprintf(f, " %s", priv_OP_names[*code]);
+ break;
+
+ case OP_CIRCM:
+ case OP_DOLLM:
+ flag = "/m";
+ /* Fall through */
+
+ /* Anything else is just an item with no data, but possibly a flag. */
+
+ default:
+ fprintf(f, " %s %s", flag, priv_OP_names[*code]);
+ break;
+ }
+
+ code += priv_OP_lengths[*code] + extra;
+ fprintf(f, "\n");
+ }
+}
+
+/* End of pcre_printint.src */
diff --git a/deps/pcre/pcre_refcount.c b/deps/pcre/pcre_refcount.c
new file mode 100644
index 0000000..79efa90
--- /dev/null
+++ b/deps/pcre/pcre_refcount.c
@@ -0,0 +1,92 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains the external function pcre_refcount(), which is an
+auxiliary function that can be used to maintain a reference count in a compiled
+pattern data block. This might be helpful in applications where the block is
+shared by different users. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Maintain reference count *
+*************************************************/
+
+/* The reference count is a 16-bit field, initialized to zero. It is not
+possible to transfer a non-zero count from one host to a different host that
+has a different byte order - though I can't see why anyone in their right mind
+would ever want to do that!
+
+Arguments:
+ argument_re points to compiled code
+ adjust value to add to the count
+
+Returns: the (possibly updated) count value (a non-negative number), or
+ a negative error number
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_refcount(pcre *argument_re, int adjust)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre16_refcount(pcre16 *argument_re, int adjust)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre32_refcount(pcre32 *argument_re, int adjust)
+#endif
+{
+REAL_PCRE *re = (REAL_PCRE *)argument_re;
+if (re == NULL) return PCRE_ERROR_NULL;
+if (re->magic_number != MAGIC_NUMBER) return PCRE_ERROR_BADMAGIC;
+if ((re->flags & PCRE_MODE) == 0) return PCRE_ERROR_BADMODE;
+re->ref_count = (-adjust > re->ref_count)? 0 :
+ (adjust + re->ref_count > 65535)? 65535 :
+ re->ref_count + adjust;
+return re->ref_count;
+}
+
+/* End of pcre_refcount.c */
diff --git a/deps/pcre/pcre_string_utils.c b/deps/pcre/pcre_string_utils.c
new file mode 100644
index 0000000..25eacc8
--- /dev/null
+++ b/deps/pcre/pcre_string_utils.c
@@ -0,0 +1,211 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2014 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains internal functions for comparing and finding the length
+of strings for different data item sizes. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+#ifndef COMPILE_PCRE8
+
+/*************************************************
+* Compare string utilities *
+*************************************************/
+
+/* The following two functions compares two strings. Basically a strcmp
+for non 8 bit characters.
+
+Arguments:
+ str1 first string
+ str2 second string
+
+Returns: 0 if both string are equal (like strcmp), 1 otherwise
+*/
+
+int
+PRIV(strcmp_uc_uc)(const pcre_uchar *str1, const pcre_uchar *str2)
+{
+pcre_uchar c1;
+pcre_uchar c2;
+
+while (*str1 != '\0' || *str2 != '\0')
+ {
+ c1 = *str1++;
+ c2 = *str2++;
+ if (c1 != c2)
+ return ((c1 > c2) << 1) - 1;
+ }
+/* Both length and characters must be equal. */
+return 0;
+}
+
+#ifdef COMPILE_PCRE32
+
+int
+PRIV(strcmp_uc_uc_utf)(const pcre_uchar *str1, const pcre_uchar *str2)
+{
+pcre_uchar c1;
+pcre_uchar c2;
+
+while (*str1 != '\0' || *str2 != '\0')
+ {
+ c1 = UCHAR21INC(str1);
+ c2 = UCHAR21INC(str2);
+ if (c1 != c2)
+ return ((c1 > c2) << 1) - 1;
+ }
+/* Both length and characters must be equal. */
+return 0;
+}
+
+#endif /* COMPILE_PCRE32 */
+
+int
+PRIV(strcmp_uc_c8)(const pcre_uchar *str1, const char *str2)
+{
+const pcre_uint8 *ustr2 = (pcre_uint8 *)str2;
+pcre_uchar c1;
+pcre_uchar c2;
+
+while (*str1 != '\0' || *ustr2 != '\0')
+ {
+ c1 = *str1++;
+ c2 = (pcre_uchar)*ustr2++;
+ if (c1 != c2)
+ return ((c1 > c2) << 1) - 1;
+ }
+/* Both length and characters must be equal. */
+return 0;
+}
+
+#ifdef COMPILE_PCRE32
+
+int
+PRIV(strcmp_uc_c8_utf)(const pcre_uchar *str1, const char *str2)
+{
+const pcre_uint8 *ustr2 = (pcre_uint8 *)str2;
+pcre_uchar c1;
+pcre_uchar c2;
+
+while (*str1 != '\0' || *ustr2 != '\0')
+ {
+ c1 = UCHAR21INC(str1);
+ c2 = (pcre_uchar)*ustr2++;
+ if (c1 != c2)
+ return ((c1 > c2) << 1) - 1;
+ }
+/* Both length and characters must be equal. */
+return 0;
+}
+
+#endif /* COMPILE_PCRE32 */
+
+/* The following two functions compares two, fixed length
+strings. Basically an strncmp for non 8 bit characters.
+
+Arguments:
+ str1 first string
+ str2 second string
+ num size of the string
+
+Returns: 0 if both string are equal (like strcmp), 1 otherwise
+*/
+
+int
+PRIV(strncmp_uc_uc)(const pcre_uchar *str1, const pcre_uchar *str2, unsigned int num)
+{
+pcre_uchar c1;
+pcre_uchar c2;
+
+while (num-- > 0)
+ {
+ c1 = *str1++;
+ c2 = *str2++;
+ if (c1 != c2)
+ return ((c1 > c2) << 1) - 1;
+ }
+/* Both length and characters must be equal. */
+return 0;
+}
+
+int
+PRIV(strncmp_uc_c8)(const pcre_uchar *str1, const char *str2, unsigned int num)
+{
+const pcre_uint8 *ustr2 = (pcre_uint8 *)str2;
+pcre_uchar c1;
+pcre_uchar c2;
+
+while (num-- > 0)
+ {
+ c1 = *str1++;
+ c2 = (pcre_uchar)*ustr2++;
+ if (c1 != c2)
+ return ((c1 > c2) << 1) - 1;
+ }
+/* Both length and characters must be equal. */
+return 0;
+}
+
+/* The following function returns with the length of
+a zero terminated string. Basically an strlen for non 8 bit characters.
+
+Arguments:
+ str string
+
+Returns: length of the string
+*/
+
+unsigned int
+PRIV(strlen_uc)(const pcre_uchar *str)
+{
+unsigned int len = 0;
+while (*str++ != 0)
+ len++;
+return len;
+}
+
+#endif /* !COMPILE_PCRE8 */
+
+/* End of pcre_string_utils.c */
diff --git a/deps/pcre/pcre_study.c b/deps/pcre/pcre_study.c
new file mode 100644
index 0000000..d9d4960
--- /dev/null
+++ b/deps/pcre/pcre_study.c
@@ -0,0 +1,1686 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains the external function pcre_study(), along with local
+supporting functions. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+#define SET_BIT(c) start_bits[c/8] |= (1 << (c&7))
+
+/* Returns from set_start_bits() */
+
+enum { SSB_FAIL, SSB_DONE, SSB_CONTINUE, SSB_UNKNOWN };
+
+
+
+/*************************************************
+* Find the minimum subject length for a group *
+*************************************************/
+
+/* Scan a parenthesized group and compute the minimum length of subject that
+is needed to match it. This is a lower bound; it does not mean there is a
+string of that length that matches. In UTF8 mode, the result is in characters
+rather than bytes.
+
+Arguments:
+ re compiled pattern block
+ code pointer to start of group (the bracket)
+ startcode pointer to start of the whole pattern's code
+ options the compiling options
+ recurses chain of recurse_check to catch mutual recursion
+ countptr pointer to call count (to catch over complexity)
+
+Returns: the minimum length
+ -1 if \C in UTF-8 mode or (*ACCEPT) was encountered
+ -2 internal error (missing capturing bracket)
+ -3 internal error (opcode not listed)
+*/
+
+static int
+find_minlength(const REAL_PCRE *re, const pcre_uchar *code,
+ const pcre_uchar *startcode, int options, recurse_check *recurses,
+ int *countptr)
+{
+int length = -1;
+/* PCRE_UTF16 has the same value as PCRE_UTF8. */
+BOOL utf = (options & PCRE_UTF8) != 0;
+BOOL had_recurse = FALSE;
+recurse_check this_recurse;
+register int branchlength = 0;
+register pcre_uchar *cc = (pcre_uchar *)code + 1 + LINK_SIZE;
+
+if ((*countptr)++ > 1000) return -1; /* too complex */
+
+if (*code == OP_CBRA || *code == OP_SCBRA ||
+ *code == OP_CBRAPOS || *code == OP_SCBRAPOS) cc += IMM2_SIZE;
+
+/* Scan along the opcodes for this branch. If we get to the end of the
+branch, check the length against that of the other branches. */
+
+for (;;)
+ {
+ int d, min;
+ pcre_uchar *cs, *ce;
+ register pcre_uchar op = *cc;
+
+ switch (op)
+ {
+ case OP_COND:
+ case OP_SCOND:
+
+ /* If there is only one branch in a condition, the implied branch has zero
+ length, so we don't add anything. This covers the DEFINE "condition"
+ automatically. */
+
+ cs = cc + GET(cc, 1);
+ if (*cs != OP_ALT)
+ {
+ cc = cs + 1 + LINK_SIZE;
+ break;
+ }
+
+ /* Otherwise we can fall through and treat it the same as any other
+ subpattern. */
+
+ case OP_CBRA:
+ case OP_SCBRA:
+ case OP_BRA:
+ case OP_SBRA:
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ case OP_BRAPOS:
+ case OP_SBRAPOS:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ d = find_minlength(re, cc, startcode, options, recurses, countptr);
+ if (d < 0) return d;
+ branchlength += d;
+ do cc += GET(cc, 1); while (*cc == OP_ALT);
+ cc += 1 + LINK_SIZE;
+ break;
+
+ /* ACCEPT makes things far too complicated; we have to give up. */
+
+ case OP_ACCEPT:
+ case OP_ASSERT_ACCEPT:
+ return -1;
+
+ /* Reached end of a branch; if it's a ket it is the end of a nested
+ call. If it's ALT it is an alternation in a nested call. If it is END it's
+ the end of the outer call. All can be handled by the same code. If an
+ ACCEPT was previously encountered, use the length that was in force at that
+ time, and pass back the shortest ACCEPT length. */
+
+ case OP_ALT:
+ case OP_KET:
+ case OP_KETRMAX:
+ case OP_KETRMIN:
+ case OP_KETRPOS:
+ case OP_END:
+ if (length < 0 || (!had_recurse && branchlength < length))
+ length = branchlength;
+ if (op != OP_ALT) return length;
+ cc += 1 + LINK_SIZE;
+ branchlength = 0;
+ had_recurse = FALSE;
+ break;
+
+ /* Skip over assertive subpatterns */
+
+ case OP_ASSERT:
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ do cc += GET(cc, 1); while (*cc == OP_ALT);
+ /* Fall through */
+
+ /* Skip over things that don't match chars */
+
+ case OP_REVERSE:
+ case OP_CREF:
+ case OP_DNCREF:
+ case OP_RREF:
+ case OP_DNRREF:
+ case OP_DEF:
+ case OP_CALLOUT:
+ case OP_SOD:
+ case OP_SOM:
+ case OP_EOD:
+ case OP_EODN:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_DOLL:
+ case OP_DOLLM:
+ case OP_NOT_WORD_BOUNDARY:
+ case OP_WORD_BOUNDARY:
+ cc += PRIV(OP_lengths)[*cc];
+ break;
+
+ /* Skip over a subpattern that has a {0} or {0,x} quantifier */
+
+ case OP_BRAZERO:
+ case OP_BRAMINZERO:
+ case OP_BRAPOSZERO:
+ case OP_SKIPZERO:
+ cc += PRIV(OP_lengths)[*cc];
+ do cc += GET(cc, 1); while (*cc == OP_ALT);
+ cc += 1 + LINK_SIZE;
+ break;
+
+ /* Handle literal characters and + repetitions */
+
+ case OP_CHAR:
+ case OP_CHARI:
+ case OP_NOT:
+ case OP_NOTI:
+ case OP_PLUS:
+ case OP_PLUSI:
+ case OP_MINPLUS:
+ case OP_MINPLUSI:
+ case OP_POSPLUS:
+ case OP_POSPLUSI:
+ case OP_NOTPLUS:
+ case OP_NOTPLUSI:
+ case OP_NOTMINPLUS:
+ case OP_NOTMINPLUSI:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSPLUSI:
+ branchlength++;
+ cc += 2;
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEPOSPLUS:
+ branchlength++;
+ cc += (cc[1] == OP_PROP || cc[1] == OP_NOTPROP)? 4 : 2;
+ break;
+
+ /* Handle exact repetitions. The count is already in characters, but we
+ need to skip over a multibyte character in UTF8 mode. */
+
+ case OP_EXACT:
+ case OP_EXACTI:
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+ branchlength += GET2(cc,1);
+ cc += 2 + IMM2_SIZE;
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ case OP_TYPEEXACT:
+ branchlength += GET2(cc,1);
+ cc += 2 + IMM2_SIZE + ((cc[1 + IMM2_SIZE] == OP_PROP
+ || cc[1 + IMM2_SIZE] == OP_NOTPROP)? 2 : 0);
+ break;
+
+ /* Handle single-char non-literal matchers */
+
+ case OP_PROP:
+ case OP_NOTPROP:
+ cc += 2;
+ /* Fall through */
+
+ case OP_NOT_DIGIT:
+ case OP_DIGIT:
+ case OP_NOT_WHITESPACE:
+ case OP_WHITESPACE:
+ case OP_NOT_WORDCHAR:
+ case OP_WORDCHAR:
+ case OP_ANY:
+ case OP_ALLANY:
+ case OP_EXTUNI:
+ case OP_HSPACE:
+ case OP_NOT_HSPACE:
+ case OP_VSPACE:
+ case OP_NOT_VSPACE:
+ branchlength++;
+ cc++;
+ break;
+
+ /* "Any newline" might match two characters, but it also might match just
+ one. */
+
+ case OP_ANYNL:
+ branchlength += 1;
+ cc++;
+ break;
+
+ /* The single-byte matcher means we can't proceed in UTF-8 mode. (In
+ non-UTF-8 mode \C will actually be turned into OP_ALLANY, so won't ever
+ appear, but leave the code, just in case.) */
+
+ case OP_ANYBYTE:
+#ifdef SUPPORT_UTF
+ if (utf) return -1;
+#endif
+ branchlength++;
+ cc++;
+ break;
+
+ /* For repeated character types, we have to test for \p and \P, which have
+ an extra two bytes of parameters. */
+
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEPOSQUERY:
+ if (cc[1] == OP_PROP || cc[1] == OP_NOTPROP) cc += 2;
+ cc += PRIV(OP_lengths)[op];
+ break;
+
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEPOSUPTO:
+ if (cc[1 + IMM2_SIZE] == OP_PROP
+ || cc[1 + IMM2_SIZE] == OP_NOTPROP) cc += 2;
+ cc += PRIV(OP_lengths)[op];
+ break;
+
+ /* Check a class for variable quantification */
+
+ case OP_CLASS:
+ case OP_NCLASS:
+#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ case OP_XCLASS:
+ /* The original code caused an unsigned overflow in 64 bit systems,
+ so now we use a conditional statement. */
+ if (op == OP_XCLASS)
+ cc += GET(cc, 1);
+ else
+ cc += PRIV(OP_lengths)[OP_CLASS];
+#else
+ cc += PRIV(OP_lengths)[OP_CLASS];
+#endif
+
+ switch (*cc)
+ {
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRPOSPLUS:
+ branchlength++;
+ /* Fall through */
+
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSQUERY:
+ cc++;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ branchlength += GET2(cc,1);
+ cc += 1 + 2 * IMM2_SIZE;
+ break;
+
+ default:
+ branchlength++;
+ break;
+ }
+ break;
+
+ /* Backreferences and subroutine calls are treated in the same way: we find
+ the minimum length for the subpattern. A recursion, however, causes an
+ a flag to be set that causes the length of this branch to be ignored. The
+ logic is that a recursion can only make sense if there is another
+ alternation that stops the recursing. That will provide the minimum length
+ (when no recursion happens). A backreference within the group that it is
+ referencing behaves in the same way.
+
+ If PCRE_JAVASCRIPT_COMPAT is set, a backreference to an unset bracket
+ matches an empty string (by default it causes a matching failure), so in
+ that case we must set the minimum length to zero. */
+
+ case OP_DNREF: /* Duplicate named pattern back reference */
+ case OP_DNREFI:
+ if ((options & PCRE_JAVASCRIPT_COMPAT) == 0)
+ {
+ int count = GET2(cc, 1+IMM2_SIZE);
+ pcre_uchar *slot = (pcre_uchar *)re +
+ re->name_table_offset + GET2(cc, 1) * re->name_entry_size;
+ d = INT_MAX;
+ while (count-- > 0)
+ {
+ ce = cs = (pcre_uchar *)PRIV(find_bracket)(startcode, utf, GET2(slot, 0));
+ if (cs == NULL) return -2;
+ do ce += GET(ce, 1); while (*ce == OP_ALT);
+ if (cc > cs && cc < ce) /* Simple recursion */
+ {
+ d = 0;
+ had_recurse = TRUE;
+ break;
+ }
+ else
+ {
+ recurse_check *r = recurses;
+ for (r = recurses; r != NULL; r = r->prev) if (r->group == cs) break;
+ if (r != NULL) /* Mutual recursion */
+ {
+ d = 0;
+ had_recurse = TRUE;
+ break;
+ }
+ else
+ {
+ int dd;
+ this_recurse.prev = recurses;
+ this_recurse.group = cs;
+ dd = find_minlength(re, cs, startcode, options, &this_recurse,
+ countptr);
+ if (dd < d) d = dd;
+ }
+ }
+ slot += re->name_entry_size;
+ }
+ }
+ else d = 0;
+ cc += 1 + 2*IMM2_SIZE;
+ goto REPEAT_BACK_REFERENCE;
+
+ case OP_REF: /* Single back reference */
+ case OP_REFI:
+ if ((options & PCRE_JAVASCRIPT_COMPAT) == 0)
+ {
+ ce = cs = (pcre_uchar *)PRIV(find_bracket)(startcode, utf, GET2(cc, 1));
+ if (cs == NULL) return -2;
+ do ce += GET(ce, 1); while (*ce == OP_ALT);
+ if (cc > cs && cc < ce) /* Simple recursion */
+ {
+ d = 0;
+ had_recurse = TRUE;
+ }
+ else
+ {
+ recurse_check *r = recurses;
+ for (r = recurses; r != NULL; r = r->prev) if (r->group == cs) break;
+ if (r != NULL) /* Mutual recursion */
+ {
+ d = 0;
+ had_recurse = TRUE;
+ }
+ else
+ {
+ this_recurse.prev = recurses;
+ this_recurse.group = cs;
+ d = find_minlength(re, cs, startcode, options, &this_recurse,
+ countptr);
+ }
+ }
+ }
+ else d = 0;
+ cc += 1 + IMM2_SIZE;
+
+ /* Handle repeated back references */
+
+ REPEAT_BACK_REFERENCE:
+ switch (*cc)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSQUERY:
+ min = 0;
+ cc++;
+ break;
+
+ case OP_CRPLUS:
+ case OP_CRMINPLUS:
+ case OP_CRPOSPLUS:
+ min = 1;
+ cc++;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ min = GET2(cc, 1);
+ cc += 1 + 2 * IMM2_SIZE;
+ break;
+
+ default:
+ min = 1;
+ break;
+ }
+
+ branchlength += min * d;
+ break;
+
+ /* We can easily detect direct recursion, but not mutual recursion. This is
+ caught by a recursion depth count. */
+
+ case OP_RECURSE:
+ cs = ce = (pcre_uchar *)startcode + GET(cc, 1);
+ do ce += GET(ce, 1); while (*ce == OP_ALT);
+ if (cc > cs && cc < ce) /* Simple recursion */
+ had_recurse = TRUE;
+ else
+ {
+ recurse_check *r = recurses;
+ for (r = recurses; r != NULL; r = r->prev) if (r->group == cs) break;
+ if (r != NULL) /* Mutual recursion */
+ had_recurse = TRUE;
+ else
+ {
+ this_recurse.prev = recurses;
+ this_recurse.group = cs;
+ branchlength += find_minlength(re, cs, startcode, options,
+ &this_recurse, countptr);
+ }
+ }
+ cc += 1 + LINK_SIZE;
+ break;
+
+ /* Anything else does not or need not match a character. We can get the
+ item's length from the table, but for those that can match zero occurrences
+ of a character, we must take special action for UTF-8 characters. As it
+ happens, the "NOT" versions of these opcodes are used at present only for
+ ASCII characters, so they could be omitted from this list. However, in
+ future that may change, so we include them here so as not to leave a
+ gotcha for a future maintainer. */
+
+ case OP_UPTO:
+ case OP_UPTOI:
+ case OP_NOTUPTO:
+ case OP_NOTUPTOI:
+ case OP_MINUPTO:
+ case OP_MINUPTOI:
+ case OP_NOTMINUPTO:
+ case OP_NOTMINUPTOI:
+ case OP_POSUPTO:
+ case OP_POSUPTOI:
+ case OP_NOTPOSUPTO:
+ case OP_NOTPOSUPTOI:
+
+ case OP_STAR:
+ case OP_STARI:
+ case OP_NOTSTAR:
+ case OP_NOTSTARI:
+ case OP_MINSTAR:
+ case OP_MINSTARI:
+ case OP_NOTMINSTAR:
+ case OP_NOTMINSTARI:
+ case OP_POSSTAR:
+ case OP_POSSTARI:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSSTARI:
+
+ case OP_QUERY:
+ case OP_QUERYI:
+ case OP_NOTQUERY:
+ case OP_NOTQUERYI:
+ case OP_MINQUERY:
+ case OP_MINQUERYI:
+ case OP_NOTMINQUERY:
+ case OP_NOTMINQUERYI:
+ case OP_POSQUERY:
+ case OP_POSQUERYI:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSQUERYI:
+
+ cc += PRIV(OP_lengths)[op];
+#ifdef SUPPORT_UTF
+ if (utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
+#endif
+ break;
+
+ /* Skip these, but we need to add in the name length. */
+
+ case OP_MARK:
+ case OP_PRUNE_ARG:
+ case OP_SKIP_ARG:
+ case OP_THEN_ARG:
+ cc += PRIV(OP_lengths)[op] + cc[1];
+ break;
+
+ /* The remaining opcodes are just skipped over. */
+
+ case OP_CLOSE:
+ case OP_COMMIT:
+ case OP_FAIL:
+ case OP_PRUNE:
+ case OP_SET_SOM:
+ case OP_SKIP:
+ case OP_THEN:
+ cc += PRIV(OP_lengths)[op];
+ break;
+
+ /* This should not occur: we list all opcodes explicitly so that when
+ new ones get added they are properly considered. */
+
+ default:
+ return -3;
+ }
+ }
+/* Control never gets here */
+}
+
+
+
+/*************************************************
+* Set a bit and maybe its alternate case *
+*************************************************/
+
+/* Given a character, set its first byte's bit in the table, and also the
+corresponding bit for the other version of a letter if we are caseless. In
+UTF-8 mode, for characters greater than 127, we can only do the caseless thing
+when Unicode property support is available.
+
+Arguments:
+ start_bits points to the bit map
+ p points to the character
+ caseless the caseless flag
+ cd the block with char table pointers
+ utf TRUE for UTF-8 / UTF-16 / UTF-32 mode
+
+Returns: pointer after the character
+*/
+
+static const pcre_uchar *
+set_table_bit(pcre_uint8 *start_bits, const pcre_uchar *p, BOOL caseless,
+ compile_data *cd, BOOL utf)
+{
+pcre_uint32 c = *p;
+
+#ifdef COMPILE_PCRE8
+SET_BIT(c);
+
+#ifdef SUPPORT_UTF
+if (utf && c > 127)
+ {
+ GETCHARINC(c, p);
+#ifdef SUPPORT_UCP
+ if (caseless)
+ {
+ pcre_uchar buff[6];
+ c = UCD_OTHERCASE(c);
+ (void)PRIV(ord2utf)(c, buff);
+ SET_BIT(buff[0]);
+ }
+#endif /* Not SUPPORT_UCP */
+ return p;
+ }
+#else /* Not SUPPORT_UTF */
+(void)(utf); /* Stops warning for unused parameter */
+#endif /* SUPPORT_UTF */
+
+/* Not UTF-8 mode, or character is less than 127. */
+
+if (caseless && (cd->ctypes[c] & ctype_letter) != 0) SET_BIT(cd->fcc[c]);
+return p + 1;
+#endif /* COMPILE_PCRE8 */
+
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+if (c > 0xff)
+ {
+ c = 0xff;
+ caseless = FALSE;
+ }
+SET_BIT(c);
+
+#ifdef SUPPORT_UTF
+if (utf && c > 127)
+ {
+ GETCHARINC(c, p);
+#ifdef SUPPORT_UCP
+ if (caseless)
+ {
+ c = UCD_OTHERCASE(c);
+ if (c > 0xff)
+ c = 0xff;
+ SET_BIT(c);
+ }
+#endif /* SUPPORT_UCP */
+ return p;
+ }
+#else /* Not SUPPORT_UTF */
+(void)(utf); /* Stops warning for unused parameter */
+#endif /* SUPPORT_UTF */
+
+if (caseless && (cd->ctypes[c] & ctype_letter) != 0) SET_BIT(cd->fcc[c]);
+return p + 1;
+#endif
+}
+
+
+
+/*************************************************
+* Set bits for a positive character type *
+*************************************************/
+
+/* This function sets starting bits for a character type. In UTF-8 mode, we can
+only do a direct setting for bytes less than 128, as otherwise there can be
+confusion with bytes in the middle of UTF-8 characters. In a "traditional"
+environment, the tables will only recognize ASCII characters anyway, but in at
+least one Windows environment, some higher bytes bits were set in the tables.
+So we deal with that case by considering the UTF-8 encoding.
+
+Arguments:
+ start_bits the starting bitmap
+ cbit type the type of character wanted
+ table_limit 32 for non-UTF-8; 16 for UTF-8
+ cd the block with char table pointers
+
+Returns: nothing
+*/
+
+static void
+set_type_bits(pcre_uint8 *start_bits, int cbit_type, unsigned int table_limit,
+ compile_data *cd)
+{
+register pcre_uint32 c;
+for (c = 0; c < table_limit; c++) start_bits[c] |= cd->cbits[c+cbit_type];
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+if (table_limit == 32) return;
+for (c = 128; c < 256; c++)
+ {
+ if ((cd->cbits[c/8] & (1 << (c&7))) != 0)
+ {
+ pcre_uchar buff[6];
+ (void)PRIV(ord2utf)(c, buff);
+ SET_BIT(buff[0]);
+ }
+ }
+#endif
+}
+
+
+/*************************************************
+* Set bits for a negative character type *
+*************************************************/
+
+/* This function sets starting bits for a negative character type such as \D.
+In UTF-8 mode, we can only do a direct setting for bytes less than 128, as
+otherwise there can be confusion with bytes in the middle of UTF-8 characters.
+Unlike in the positive case, where we can set appropriate starting bits for
+specific high-valued UTF-8 characters, in this case we have to set the bits for
+all high-valued characters. The lowest is 0xc2, but we overkill by starting at
+0xc0 (192) for simplicity.
+
+Arguments:
+ start_bits the starting bitmap
+ cbit type the type of character wanted
+ table_limit 32 for non-UTF-8; 16 for UTF-8
+ cd the block with char table pointers
+
+Returns: nothing
+*/
+
+static void
+set_nottype_bits(pcre_uint8 *start_bits, int cbit_type, unsigned int table_limit,
+ compile_data *cd)
+{
+register pcre_uint32 c;
+for (c = 0; c < table_limit; c++) start_bits[c] |= ~cd->cbits[c+cbit_type];
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+if (table_limit != 32) for (c = 24; c < 32; c++) start_bits[c] = 0xff;
+#endif
+}
+
+
+
+/*************************************************
+* Create bitmap of starting bytes *
+*************************************************/
+
+/* This function scans a compiled unanchored expression recursively and
+attempts to build a bitmap of the set of possible starting bytes. As time goes
+by, we may be able to get more clever at doing this. The SSB_CONTINUE return is
+useful for parenthesized groups in patterns such as (a*)b where the group
+provides some optional starting bytes but scanning must continue at the outer
+level to find at least one mandatory byte. At the outermost level, this
+function fails unless the result is SSB_DONE.
+
+Arguments:
+ code points to an expression
+ start_bits points to a 32-byte table, initialized to 0
+ utf TRUE if in UTF-8 / UTF-16 / UTF-32 mode
+ cd the block with char table pointers
+
+Returns: SSB_FAIL => Failed to find any starting bytes
+ SSB_DONE => Found mandatory starting bytes
+ SSB_CONTINUE => Found optional starting bytes
+ SSB_UNKNOWN => Hit an unrecognized opcode
+*/
+
+static int
+set_start_bits(const pcre_uchar *code, pcre_uint8 *start_bits, BOOL utf,
+ compile_data *cd)
+{
+register pcre_uint32 c;
+int yield = SSB_DONE;
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+int table_limit = utf? 16:32;
+#else
+int table_limit = 32;
+#endif
+
+#if 0
+/* ========================================================================= */
+/* The following comment and code was inserted in January 1999. In May 2006,
+when it was observed to cause compiler warnings about unused values, I took it
+out again. If anybody is still using OS/2, they will have to put it back
+manually. */
+
+/* This next statement and the later reference to dummy are here in order to
+trick the optimizer of the IBM C compiler for OS/2 into generating correct
+code. Apparently IBM isn't going to fix the problem, and we would rather not
+disable optimization (in this module it actually makes a big difference, and
+the pcre module can use all the optimization it can get). */
+
+volatile int dummy;
+/* ========================================================================= */
+#endif
+
+do
+ {
+ BOOL try_next = TRUE;
+ const pcre_uchar *tcode = code + 1 + LINK_SIZE;
+
+ if (*code == OP_CBRA || *code == OP_SCBRA ||
+ *code == OP_CBRAPOS || *code == OP_SCBRAPOS) tcode += IMM2_SIZE;
+
+ while (try_next) /* Loop for items in this branch */
+ {
+ int rc;
+
+ switch(*tcode)
+ {
+ /* If we reach something we don't understand, it means a new opcode has
+ been created that hasn't been added to this code. Hopefully this problem
+ will be discovered during testing. */
+
+ default:
+ return SSB_UNKNOWN;
+
+ /* Fail for a valid opcode that implies no starting bits. */
+
+ case OP_ACCEPT:
+ case OP_ASSERT_ACCEPT:
+ case OP_ALLANY:
+ case OP_ANY:
+ case OP_ANYBYTE:
+ case OP_CIRC:
+ case OP_CIRCM:
+ case OP_CLOSE:
+ case OP_COMMIT:
+ case OP_COND:
+ case OP_CREF:
+ case OP_DEF:
+ case OP_DNCREF:
+ case OP_DNREF:
+ case OP_DNREFI:
+ case OP_DNRREF:
+ case OP_DOLL:
+ case OP_DOLLM:
+ case OP_END:
+ case OP_EOD:
+ case OP_EODN:
+ case OP_EXTUNI:
+ case OP_FAIL:
+ case OP_MARK:
+ case OP_NOT:
+ case OP_NOTEXACT:
+ case OP_NOTEXACTI:
+ case OP_NOTI:
+ case OP_NOTMINPLUS:
+ case OP_NOTMINPLUSI:
+ case OP_NOTMINQUERY:
+ case OP_NOTMINQUERYI:
+ case OP_NOTMINSTAR:
+ case OP_NOTMINSTARI:
+ case OP_NOTMINUPTO:
+ case OP_NOTMINUPTOI:
+ case OP_NOTPLUS:
+ case OP_NOTPLUSI:
+ case OP_NOTPOSPLUS:
+ case OP_NOTPOSPLUSI:
+ case OP_NOTPOSQUERY:
+ case OP_NOTPOSQUERYI:
+ case OP_NOTPOSSTAR:
+ case OP_NOTPOSSTARI:
+ case OP_NOTPOSUPTO:
+ case OP_NOTPOSUPTOI:
+ case OP_NOTPROP:
+ case OP_NOTQUERY:
+ case OP_NOTQUERYI:
+ case OP_NOTSTAR:
+ case OP_NOTSTARI:
+ case OP_NOTUPTO:
+ case OP_NOTUPTOI:
+ case OP_NOT_HSPACE:
+ case OP_NOT_VSPACE:
+ case OP_PRUNE:
+ case OP_PRUNE_ARG:
+ case OP_RECURSE:
+ case OP_REF:
+ case OP_REFI:
+ case OP_REVERSE:
+ case OP_RREF:
+ case OP_SCOND:
+ case OP_SET_SOM:
+ case OP_SKIP:
+ case OP_SKIP_ARG:
+ case OP_SOD:
+ case OP_SOM:
+ case OP_THEN:
+ case OP_THEN_ARG:
+ return SSB_FAIL;
+
+ /* A "real" property test implies no starting bits, but the fake property
+ PT_CLIST identifies a list of characters. These lists are short, as they
+ are used for characters with more than one "other case", so there is no
+ point in recognizing them for OP_NOTPROP. */
+
+ case OP_PROP:
+ if (tcode[1] != PT_CLIST) return SSB_FAIL;
+ {
+ const pcre_uint32 *p = PRIV(ucd_caseless_sets) + tcode[2];
+ while ((c = *p++) < NOTACHAR)
+ {
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (utf)
+ {
+ pcre_uchar buff[6];
+ (void)PRIV(ord2utf)(c, buff);
+ c = buff[0];
+ }
+#endif
+ if (c > 0xff) SET_BIT(0xff); else SET_BIT(c);
+ }
+ }
+ try_next = FALSE;
+ break;
+
+ /* We can ignore word boundary tests. */
+
+ case OP_WORD_BOUNDARY:
+ case OP_NOT_WORD_BOUNDARY:
+ tcode++;
+ break;
+
+ /* If we hit a bracket or a positive lookahead assertion, recurse to set
+ bits from within the subpattern. If it can't find anything, we have to
+ give up. If it finds some mandatory character(s), we are done for this
+ branch. Otherwise, carry on scanning after the subpattern. */
+
+ case OP_BRA:
+ case OP_SBRA:
+ case OP_CBRA:
+ case OP_SCBRA:
+ case OP_BRAPOS:
+ case OP_SBRAPOS:
+ case OP_CBRAPOS:
+ case OP_SCBRAPOS:
+ case OP_ONCE:
+ case OP_ONCE_NC:
+ case OP_ASSERT:
+ rc = set_start_bits(tcode, start_bits, utf, cd);
+ if (rc == SSB_FAIL || rc == SSB_UNKNOWN) return rc;
+ if (rc == SSB_DONE) try_next = FALSE; else
+ {
+ do tcode += GET(tcode, 1); while (*tcode == OP_ALT);
+ tcode += 1 + LINK_SIZE;
+ }
+ break;
+
+ /* If we hit ALT or KET, it means we haven't found anything mandatory in
+ this branch, though we might have found something optional. For ALT, we
+ continue with the next alternative, but we have to arrange that the final
+ result from subpattern is SSB_CONTINUE rather than SSB_DONE. For KET,
+ return SSB_CONTINUE: if this is the top level, that indicates failure,
+ but after a nested subpattern, it causes scanning to continue. */
+
+ case OP_ALT:
+ yield = SSB_CONTINUE;
+ try_next = FALSE;
+ break;
+
+ case OP_KET:
+ case OP_KETRMAX:
+ case OP_KETRMIN:
+ case OP_KETRPOS:
+ return SSB_CONTINUE;
+
+ /* Skip over callout */
+
+ case OP_CALLOUT:
+ tcode += 2 + 2*LINK_SIZE;
+ break;
+
+ /* Skip over lookbehind and negative lookahead assertions */
+
+ case OP_ASSERT_NOT:
+ case OP_ASSERTBACK:
+ case OP_ASSERTBACK_NOT:
+ do tcode += GET(tcode, 1); while (*tcode == OP_ALT);
+ tcode += 1 + LINK_SIZE;
+ break;
+
+ /* BRAZERO does the bracket, but carries on. */
+
+ case OP_BRAZERO:
+ case OP_BRAMINZERO:
+ case OP_BRAPOSZERO:
+ rc = set_start_bits(++tcode, start_bits, utf, cd);
+ if (rc == SSB_FAIL || rc == SSB_UNKNOWN) return rc;
+/* =========================================================================
+ See the comment at the head of this function concerning the next line,
+ which was an old fudge for the benefit of OS/2.
+ dummy = 1;
+ ========================================================================= */
+ do tcode += GET(tcode,1); while (*tcode == OP_ALT);
+ tcode += 1 + LINK_SIZE;
+ break;
+
+ /* SKIPZERO skips the bracket. */
+
+ case OP_SKIPZERO:
+ tcode++;
+ do tcode += GET(tcode,1); while (*tcode == OP_ALT);
+ tcode += 1 + LINK_SIZE;
+ break;
+
+ /* Single-char * or ? sets the bit and tries the next item */
+
+ case OP_STAR:
+ case OP_MINSTAR:
+ case OP_POSSTAR:
+ case OP_QUERY:
+ case OP_MINQUERY:
+ case OP_POSQUERY:
+ tcode = set_table_bit(start_bits, tcode + 1, FALSE, cd, utf);
+ break;
+
+ case OP_STARI:
+ case OP_MINSTARI:
+ case OP_POSSTARI:
+ case OP_QUERYI:
+ case OP_MINQUERYI:
+ case OP_POSQUERYI:
+ tcode = set_table_bit(start_bits, tcode + 1, TRUE, cd, utf);
+ break;
+
+ /* Single-char upto sets the bit and tries the next */
+
+ case OP_UPTO:
+ case OP_MINUPTO:
+ case OP_POSUPTO:
+ tcode = set_table_bit(start_bits, tcode + 1 + IMM2_SIZE, FALSE, cd, utf);
+ break;
+
+ case OP_UPTOI:
+ case OP_MINUPTOI:
+ case OP_POSUPTOI:
+ tcode = set_table_bit(start_bits, tcode + 1 + IMM2_SIZE, TRUE, cd, utf);
+ break;
+
+ /* At least one single char sets the bit and stops */
+
+ case OP_EXACT:
+ tcode += IMM2_SIZE;
+ /* Fall through */
+ case OP_CHAR:
+ case OP_PLUS:
+ case OP_MINPLUS:
+ case OP_POSPLUS:
+ (void)set_table_bit(start_bits, tcode + 1, FALSE, cd, utf);
+ try_next = FALSE;
+ break;
+
+ case OP_EXACTI:
+ tcode += IMM2_SIZE;
+ /* Fall through */
+ case OP_CHARI:
+ case OP_PLUSI:
+ case OP_MINPLUSI:
+ case OP_POSPLUSI:
+ (void)set_table_bit(start_bits, tcode + 1, TRUE, cd, utf);
+ try_next = FALSE;
+ break;
+
+ /* Special spacing and line-terminating items. These recognize specific
+ lists of characters. The difference between VSPACE and ANYNL is that the
+ latter can match the two-character CRLF sequence, but that is not
+ relevant for finding the first character, so their code here is
+ identical. */
+
+ case OP_HSPACE:
+ SET_BIT(CHAR_HT);
+ SET_BIT(CHAR_SPACE);
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+#ifdef COMPILE_PCRE8
+ SET_BIT(0xC2); /* For U+00A0 */
+ SET_BIT(0xE1); /* For U+1680, U+180E */
+ SET_BIT(0xE2); /* For U+2000 - U+200A, U+202F, U+205F */
+ SET_BIT(0xE3); /* For U+3000 */
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SET_BIT(0xA0);
+ SET_BIT(0xFF); /* For characters > 255 */
+#endif /* COMPILE_PCRE[8|16|32] */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ {
+#ifndef EBCDIC
+ SET_BIT(0xA0);
+#endif /* Not EBCDIC */
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SET_BIT(0xFF); /* For characters > 255 */
+#endif /* COMPILE_PCRE[16|32] */
+ }
+ try_next = FALSE;
+ break;
+
+ case OP_ANYNL:
+ case OP_VSPACE:
+ SET_BIT(CHAR_LF);
+ SET_BIT(CHAR_VT);
+ SET_BIT(CHAR_FF);
+ SET_BIT(CHAR_CR);
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+#ifdef COMPILE_PCRE8
+ SET_BIT(0xC2); /* For U+0085 */
+ SET_BIT(0xE2); /* For U+2028, U+2029 */
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SET_BIT(CHAR_NEL);
+ SET_BIT(0xFF); /* For characters > 255 */
+#endif /* COMPILE_PCRE[8|16|32] */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ {
+ SET_BIT(CHAR_NEL);
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SET_BIT(0xFF); /* For characters > 255 */
+#endif
+ }
+ try_next = FALSE;
+ break;
+
+ /* Single character types set the bits and stop. Note that if PCRE_UCP
+ is set, we do not see these op codes because \d etc are converted to
+ properties. Therefore, these apply in the case when only characters less
+ than 256 are recognized to match the types. */
+
+ case OP_NOT_DIGIT:
+ set_nottype_bits(start_bits, cbit_digit, table_limit, cd);
+ try_next = FALSE;
+ break;
+
+ case OP_DIGIT:
+ set_type_bits(start_bits, cbit_digit, table_limit, cd);
+ try_next = FALSE;
+ break;
+
+ /* The cbit_space table has vertical tab as whitespace; we no longer
+ have to play fancy tricks because Perl added VT to its whitespace at
+ release 5.18. PCRE added it at release 8.34. */
+
+ case OP_NOT_WHITESPACE:
+ set_nottype_bits(start_bits, cbit_space, table_limit, cd);
+ try_next = FALSE;
+ break;
+
+ case OP_WHITESPACE:
+ set_type_bits(start_bits, cbit_space, table_limit, cd);
+ try_next = FALSE;
+ break;
+
+ case OP_NOT_WORDCHAR:
+ set_nottype_bits(start_bits, cbit_word, table_limit, cd);
+ try_next = FALSE;
+ break;
+
+ case OP_WORDCHAR:
+ set_type_bits(start_bits, cbit_word, table_limit, cd);
+ try_next = FALSE;
+ break;
+
+ /* One or more character type fudges the pointer and restarts, knowing
+ it will hit a single character type and stop there. */
+
+ case OP_TYPEPLUS:
+ case OP_TYPEMINPLUS:
+ case OP_TYPEPOSPLUS:
+ tcode++;
+ break;
+
+ case OP_TYPEEXACT:
+ tcode += 1 + IMM2_SIZE;
+ break;
+
+ /* Zero or more repeats of character types set the bits and then
+ try again. */
+
+ case OP_TYPEUPTO:
+ case OP_TYPEMINUPTO:
+ case OP_TYPEPOSUPTO:
+ tcode += IMM2_SIZE; /* Fall through */
+
+ case OP_TYPESTAR:
+ case OP_TYPEMINSTAR:
+ case OP_TYPEPOSSTAR:
+ case OP_TYPEQUERY:
+ case OP_TYPEMINQUERY:
+ case OP_TYPEPOSQUERY:
+ switch(tcode[1])
+ {
+ default:
+ case OP_ANY:
+ case OP_ALLANY:
+ return SSB_FAIL;
+
+ case OP_HSPACE:
+ SET_BIT(CHAR_HT);
+ SET_BIT(CHAR_SPACE);
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+#ifdef COMPILE_PCRE8
+ SET_BIT(0xC2); /* For U+00A0 */
+ SET_BIT(0xE1); /* For U+1680, U+180E */
+ SET_BIT(0xE2); /* For U+2000 - U+200A, U+202F, U+205F */
+ SET_BIT(0xE3); /* For U+3000 */
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SET_BIT(0xA0);
+ SET_BIT(0xFF); /* For characters > 255 */
+#endif /* COMPILE_PCRE[8|16|32] */
+ }
+ else
+#endif /* SUPPORT_UTF */
+#ifndef EBCDIC
+ SET_BIT(0xA0);
+#endif /* Not EBCDIC */
+ break;
+
+ case OP_ANYNL:
+ case OP_VSPACE:
+ SET_BIT(CHAR_LF);
+ SET_BIT(CHAR_VT);
+ SET_BIT(CHAR_FF);
+ SET_BIT(CHAR_CR);
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+#ifdef COMPILE_PCRE8
+ SET_BIT(0xC2); /* For U+0085 */
+ SET_BIT(0xE2); /* For U+2028, U+2029 */
+#elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SET_BIT(CHAR_NEL);
+ SET_BIT(0xFF); /* For characters > 255 */
+#endif /* COMPILE_PCRE16 */
+ }
+ else
+#endif /* SUPPORT_UTF */
+ SET_BIT(CHAR_NEL);
+ break;
+
+ case OP_NOT_DIGIT:
+ set_nottype_bits(start_bits, cbit_digit, table_limit, cd);
+ break;
+
+ case OP_DIGIT:
+ set_type_bits(start_bits, cbit_digit, table_limit, cd);
+ break;
+
+ /* The cbit_space table has vertical tab as whitespace; we no longer
+ have to play fancy tricks because Perl added VT to its whitespace at
+ release 5.18. PCRE added it at release 8.34. */
+
+ case OP_NOT_WHITESPACE:
+ set_nottype_bits(start_bits, cbit_space, table_limit, cd);
+ break;
+
+ case OP_WHITESPACE:
+ set_type_bits(start_bits, cbit_space, table_limit, cd);
+ break;
+
+ case OP_NOT_WORDCHAR:
+ set_nottype_bits(start_bits, cbit_word, table_limit, cd);
+ break;
+
+ case OP_WORDCHAR:
+ set_type_bits(start_bits, cbit_word, table_limit, cd);
+ break;
+ }
+
+ tcode += 2;
+ break;
+
+ /* Character class where all the information is in a bit map: set the
+ bits and either carry on or not, according to the repeat count. If it was
+ a negative class, and we are operating with UTF-8 characters, any byte
+ with a value >= 0xc4 is a potentially valid starter because it starts a
+ character with a value > 255. */
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ case OP_XCLASS:
+ if ((tcode[1 + LINK_SIZE] & XCL_HASPROP) != 0)
+ return SSB_FAIL;
+ /* All bits are set. */
+ if ((tcode[1 + LINK_SIZE] & XCL_MAP) == 0 && (tcode[1 + LINK_SIZE] & XCL_NOT) != 0)
+ return SSB_FAIL;
+#endif
+ /* Fall through */
+
+ case OP_NCLASS:
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (utf)
+ {
+ start_bits[24] |= 0xf0; /* Bits for 0xc4 - 0xc8 */
+ memset(start_bits+25, 0xff, 7); /* Bits for 0xc9 - 0xff */
+ }
+#endif
+#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
+ SET_BIT(0xFF); /* For characters > 255 */
+#endif
+ /* Fall through */
+
+ case OP_CLASS:
+ {
+ pcre_uint8 *map;
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ map = NULL;
+ if (*tcode == OP_XCLASS)
+ {
+ if ((tcode[1 + LINK_SIZE] & XCL_MAP) != 0)
+ map = (pcre_uint8 *)(tcode + 1 + LINK_SIZE + 1);
+ tcode += GET(tcode, 1);
+ }
+ else
+#endif
+ {
+ tcode++;
+ map = (pcre_uint8 *)tcode;
+ tcode += 32 / sizeof(pcre_uchar);
+ }
+
+ /* In UTF-8 mode, the bits in a bit map correspond to character
+ values, not to byte values. However, the bit map we are constructing is
+ for byte values. So we have to do a conversion for characters whose
+ value is > 127. In fact, there are only two possible starting bytes for
+ characters in the range 128 - 255. */
+
+#if defined SUPPORT_UTF || !defined COMPILE_PCRE8
+ if (map != NULL)
+#endif
+ {
+#if defined SUPPORT_UTF && defined COMPILE_PCRE8
+ if (utf)
+ {
+ for (c = 0; c < 16; c++) start_bits[c] |= map[c];
+ for (c = 128; c < 256; c++)
+ {
+ if ((map[c/8] & (1 << (c&7))) != 0)
+ {
+ int d = (c >> 6) | 0xc0; /* Set bit for this starter */
+ start_bits[d/8] |= (1 << (d&7)); /* and then skip on to the */
+ c = (c & 0xc0) + 0x40 - 1; /* next relevant character. */
+ }
+ }
+ }
+ else
+#endif
+ {
+ /* In non-UTF-8 mode, the two bit maps are completely compatible. */
+ for (c = 0; c < 32; c++) start_bits[c] |= map[c];
+ }
+ }
+
+ /* Advance past the bit map, and act on what follows. For a zero
+ minimum repeat, continue; otherwise stop processing. */
+
+ switch (*tcode)
+ {
+ case OP_CRSTAR:
+ case OP_CRMINSTAR:
+ case OP_CRQUERY:
+ case OP_CRMINQUERY:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSQUERY:
+ tcode++;
+ break;
+
+ case OP_CRRANGE:
+ case OP_CRMINRANGE:
+ case OP_CRPOSRANGE:
+ if (GET2(tcode, 1) == 0) tcode += 1 + 2 * IMM2_SIZE;
+ else try_next = FALSE;
+ break;
+
+ default:
+ try_next = FALSE;
+ break;
+ }
+ }
+ break; /* End of bitmap class handling */
+
+ } /* End of switch */
+ } /* End of try_next loop */
+
+ code += GET(code, 1); /* Advance to next branch */
+ }
+while (*code == OP_ALT);
+return yield;
+}
+
+
+
+
+
+/*************************************************
+* Study a compiled expression *
+*************************************************/
+
+/* This function is handed a compiled expression that it must study to produce
+information that will speed up the matching. It returns a pcre[16]_extra block
+which then gets handed back to pcre_exec().
+
+Arguments:
+ re points to the compiled expression
+ options contains option bits
+ errorptr points to where to place error messages;
+ set NULL unless error
+
+Returns: pointer to a pcre[16]_extra block, with study_data filled in and
+ the appropriate flags set;
+ NULL on error or if no optimization possible
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN pcre_extra * PCRE_CALL_CONVENTION
+pcre_study(const pcre *external_re, int options, const char **errorptr)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN pcre16_extra * PCRE_CALL_CONVENTION
+pcre16_study(const pcre16 *external_re, int options, const char **errorptr)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN pcre32_extra * PCRE_CALL_CONVENTION
+pcre32_study(const pcre32 *external_re, int options, const char **errorptr)
+#endif
+{
+int min;
+int count = 0;
+BOOL bits_set = FALSE;
+pcre_uint8 start_bits[32];
+PUBL(extra) *extra = NULL;
+pcre_study_data *study;
+const pcre_uint8 *tables;
+pcre_uchar *code;
+compile_data compile_block;
+const REAL_PCRE *re = (const REAL_PCRE *)external_re;
+
+
+*errorptr = NULL;
+
+if (re == NULL || re->magic_number != MAGIC_NUMBER)
+ {
+ *errorptr = "argument is not a compiled regular expression";
+ return NULL;
+ }
+
+if ((re->flags & PCRE_MODE) == 0)
+ {
+#if defined COMPILE_PCRE8
+ *errorptr = "argument not compiled in 8 bit mode";
+#elif defined COMPILE_PCRE16
+ *errorptr = "argument not compiled in 16 bit mode";
+#elif defined COMPILE_PCRE32
+ *errorptr = "argument not compiled in 32 bit mode";
+#endif
+ return NULL;
+ }
+
+if ((options & ~PUBLIC_STUDY_OPTIONS) != 0)
+ {
+ *errorptr = "unknown or incorrect option bit(s) set";
+ return NULL;
+ }
+
+code = (pcre_uchar *)re + re->name_table_offset +
+ (re->name_count * re->name_entry_size);
+
+/* For an anchored pattern, or an unanchored pattern that has a first char, or
+a multiline pattern that matches only at "line starts", there is no point in
+seeking a list of starting bytes. */
+
+if ((re->options & PCRE_ANCHORED) == 0 &&
+ (re->flags & (PCRE_FIRSTSET|PCRE_STARTLINE)) == 0)
+ {
+ int rc;
+
+ /* Set the character tables in the block that is passed around */
+
+ tables = re->tables;
+
+#if defined COMPILE_PCRE8
+ if (tables == NULL)
+ (void)pcre_fullinfo(external_re, NULL, PCRE_INFO_DEFAULT_TABLES,
+ (void *)(&tables));
+#elif defined COMPILE_PCRE16
+ if (tables == NULL)
+ (void)pcre16_fullinfo(external_re, NULL, PCRE_INFO_DEFAULT_TABLES,
+ (void *)(&tables));
+#elif defined COMPILE_PCRE32
+ if (tables == NULL)
+ (void)pcre32_fullinfo(external_re, NULL, PCRE_INFO_DEFAULT_TABLES,
+ (void *)(&tables));
+#endif
+
+ compile_block.lcc = tables + lcc_offset;
+ compile_block.fcc = tables + fcc_offset;
+ compile_block.cbits = tables + cbits_offset;
+ compile_block.ctypes = tables + ctypes_offset;
+
+ /* See if we can find a fixed set of initial characters for the pattern. */
+
+ memset(start_bits, 0, 32 * sizeof(pcre_uint8));
+ rc = set_start_bits(code, start_bits, (re->options & PCRE_UTF8) != 0,
+ &compile_block);
+ bits_set = rc == SSB_DONE;
+ if (rc == SSB_UNKNOWN)
+ {
+ *errorptr = "internal error: opcode not recognized";
+ return NULL;
+ }
+ }
+
+/* Find the minimum length of subject string. */
+
+switch(min = find_minlength(re, code, code, re->options, NULL, &count))
+ {
+ case -2: *errorptr = "internal error: missing capturing bracket"; return NULL;
+ case -3: *errorptr = "internal error: opcode not recognized"; return NULL;
+ default: break;
+ }
+
+/* If a set of starting bytes has been identified, or if the minimum length is
+greater than zero, or if JIT optimization has been requested, or if
+PCRE_STUDY_EXTRA_NEEDED is set, get a pcre[16]_extra block and a
+pcre_study_data block. The study data is put in the latter, which is pointed to
+by the former, which may also get additional data set later by the calling
+program. At the moment, the size of pcre_study_data is fixed. We nevertheless
+save it in a field for returning via the pcre_fullinfo() function so that if it
+becomes variable in the future, we don't have to change that code. */
+
+if (bits_set || min > 0 || (options & (
+#ifdef SUPPORT_JIT
+ PCRE_STUDY_JIT_COMPILE | PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE |
+ PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE |
+#endif
+ PCRE_STUDY_EXTRA_NEEDED)) != 0)
+ {
+ extra = (PUBL(extra) *)(PUBL(malloc))
+ (sizeof(PUBL(extra)) + sizeof(pcre_study_data));
+ if (extra == NULL)
+ {
+ *errorptr = "failed to get memory";
+ return NULL;
+ }
+
+ study = (pcre_study_data *)((char *)extra + sizeof(PUBL(extra)));
+ extra->flags = PCRE_EXTRA_STUDY_DATA;
+ extra->study_data = study;
+
+ study->size = sizeof(pcre_study_data);
+ study->flags = 0;
+
+ /* Set the start bits always, to avoid unset memory errors if the
+ study data is written to a file, but set the flag only if any of the bits
+ are set, to save time looking when none are. */
+
+ if (bits_set)
+ {
+ study->flags |= PCRE_STUDY_MAPPED;
+ memcpy(study->start_bits, start_bits, sizeof(start_bits));
+ }
+ else memset(study->start_bits, 0, 32 * sizeof(pcre_uint8));
+
+#ifdef PCRE_DEBUG
+ if (bits_set)
+ {
+ pcre_uint8 *ptr = start_bits;
+ int i;
+
+ printf("Start bits:\n");
+ for (i = 0; i < 32; i++)
+ printf("%3d: %02x%s", i * 8, *ptr++, ((i + 1) & 0x7) != 0? " " : "\n");
+ }
+#endif
+
+ /* Always set the minlength value in the block, because the JIT compiler
+ makes use of it. However, don't set the bit unless the length is greater than
+ zero - the interpretive pcre_exec() and pcre_dfa_exec() needn't waste time
+ checking the zero case. */
+
+ if (min > 0)
+ {
+ study->flags |= PCRE_STUDY_MINLEN;
+ study->minlength = min;
+ }
+ else study->minlength = 0;
+
+ /* If JIT support was compiled and requested, attempt the JIT compilation.
+ If no starting bytes were found, and the minimum length is zero, and JIT
+ compilation fails, abandon the extra block and return NULL, unless
+ PCRE_STUDY_EXTRA_NEEDED is set. */
+
+#ifdef SUPPORT_JIT
+ extra->executable_jit = NULL;
+ if ((options & PCRE_STUDY_JIT_COMPILE) != 0)
+ PRIV(jit_compile)(re, extra, JIT_COMPILE);
+ if ((options & PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE) != 0)
+ PRIV(jit_compile)(re, extra, JIT_PARTIAL_SOFT_COMPILE);
+ if ((options & PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE) != 0)
+ PRIV(jit_compile)(re, extra, JIT_PARTIAL_HARD_COMPILE);
+
+ if (study->flags == 0 && (extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) == 0 &&
+ (options & PCRE_STUDY_EXTRA_NEEDED) == 0)
+ {
+#if defined COMPILE_PCRE8
+ pcre_free_study(extra);
+#elif defined COMPILE_PCRE16
+ pcre16_free_study(extra);
+#elif defined COMPILE_PCRE32
+ pcre32_free_study(extra);
+#endif
+ extra = NULL;
+ }
+#endif
+ }
+
+return extra;
+}
+
+
+/*************************************************
+* Free the study data *
+*************************************************/
+
+/* This function frees the memory that was obtained by pcre_study().
+
+Argument: a pointer to the pcre[16]_extra block
+Returns: nothing
+*/
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN void
+pcre_free_study(pcre_extra *extra)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN void
+pcre16_free_study(pcre16_extra *extra)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN void
+pcre32_free_study(pcre32_extra *extra)
+#endif
+{
+if (extra == NULL)
+ return;
+#ifdef SUPPORT_JIT
+if ((extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0 &&
+ extra->executable_jit != NULL)
+ PRIV(jit_free)(extra->executable_jit);
+#endif
+PUBL(free)(extra);
+}
+
+/* End of pcre_study.c */
diff --git a/deps/pcre/pcre_tables.c b/deps/pcre/pcre_tables.c
new file mode 100644
index 0000000..5e18e8c
--- /dev/null
+++ b/deps/pcre/pcre_tables.c
@@ -0,0 +1,727 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2017 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+#ifndef PCRE_INCLUDED
+
+/* This module contains some fixed tables that are used by more than one of the
+PCRE code modules. The tables are also #included by the pcretest program, which
+uses macros to change their names from _pcre_xxx to xxxx, thereby avoiding name
+clashes with the library. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+#endif /* PCRE_INCLUDED */
+
+/* Table of sizes for the fixed-length opcodes. It's defined in a macro so that
+the definition is next to the definition of the opcodes in pcre_internal.h. */
+
+const pcre_uint8 PRIV(OP_lengths)[] = { OP_LENGTHS };
+
+/* Tables of horizontal and vertical whitespace characters, suitable for
+adding to classes. */
+
+const pcre_uint32 PRIV(hspace_list)[] = { HSPACE_LIST };
+const pcre_uint32 PRIV(vspace_list)[] = { VSPACE_LIST };
+
+
+
+/*************************************************
+* Tables for UTF-8 support *
+*************************************************/
+
+/* These are the breakpoints for different numbers of bytes in a UTF-8
+character. */
+
+#if (defined SUPPORT_UTF && defined COMPILE_PCRE8) \
+ || (defined PCRE_INCLUDED && (defined SUPPORT_PCRE16 || defined SUPPORT_PCRE32))
+
+/* These tables are also required by pcretest in 16- or 32-bit mode. */
+
+const int PRIV(utf8_table1)[] =
+ { 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff};
+
+const int PRIV(utf8_table1_size) = sizeof(PRIV(utf8_table1)) / sizeof(int);
+
+/* These are the indicator bits and the mask for the data bits to set in the
+first byte of a character, indexed by the number of additional bytes. */
+
+const int PRIV(utf8_table2)[] = { 0, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc};
+const int PRIV(utf8_table3)[] = { 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01};
+
+/* Table of the number of extra bytes, indexed by the first byte masked with
+0x3f. The highest number for a valid UTF-8 first byte is in fact 0x3d. */
+
+const pcre_uint8 PRIV(utf8_table4)[] = {
+ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+ 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
+ 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 };
+
+#endif /* (SUPPORT_UTF && COMPILE_PCRE8) || (PCRE_INCLUDED && SUPPORT_PCRE[16|32])*/
+
+#ifdef SUPPORT_UTF
+
+/* Table to translate from particular type value to the general value. */
+
+const pcre_uint32 PRIV(ucp_gentype)[] = {
+ ucp_C, ucp_C, ucp_C, ucp_C, ucp_C, /* Cc, Cf, Cn, Co, Cs */
+ ucp_L, ucp_L, ucp_L, ucp_L, ucp_L, /* Ll, Lu, Lm, Lo, Lt */
+ ucp_M, ucp_M, ucp_M, /* Mc, Me, Mn */
+ ucp_N, ucp_N, ucp_N, /* Nd, Nl, No */
+ ucp_P, ucp_P, ucp_P, ucp_P, ucp_P, /* Pc, Pd, Pe, Pf, Pi */
+ ucp_P, ucp_P, /* Ps, Po */
+ ucp_S, ucp_S, ucp_S, ucp_S, /* Sc, Sk, Sm, So */
+ ucp_Z, ucp_Z, ucp_Z /* Zl, Zp, Zs */
+};
+
+/* This table encodes the rules for finding the end of an extended grapheme
+cluster. Every code point has a grapheme break property which is one of the
+ucp_gbXX values defined in ucp.h. The 2-dimensional table is indexed by the
+properties of two adjacent code points. The left property selects a word from
+the table, and the right property selects a bit from that word like this:
+
+ ucp_gbtable[left-property] & (1 << right-property)
+
+The value is non-zero if a grapheme break is NOT permitted between the relevant
+two code points. The breaking rules are as follows:
+
+1. Break at the start and end of text (pretty obviously).
+
+2. Do not break between a CR and LF; otherwise, break before and after
+ controls.
+
+3. Do not break Hangul syllable sequences, the rules for which are:
+
+ L may be followed by L, V, LV or LVT
+ LV or V may be followed by V or T
+ LVT or T may be followed by T
+
+4. Do not break before extending characters.
+
+The next two rules are only for extended grapheme clusters (but that's what we
+are implementing).
+
+5. Do not break before SpacingMarks.
+
+6. Do not break after Prepend characters.
+
+7. Otherwise, break everywhere.
+*/
+
+const pcre_uint32 PRIV(ucp_gbtable[]) = {
+ (1<<ucp_gbLF), /* 0 CR */
+ 0, /* 1 LF */
+ 0, /* 2 Control */
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark), /* 3 Extend */
+ (1<<ucp_gbExtend)|(1<<ucp_gbPrepend)| /* 4 Prepend */
+ (1<<ucp_gbSpacingMark)|(1<<ucp_gbL)|
+ (1<<ucp_gbV)|(1<<ucp_gbT)|(1<<ucp_gbLV)|
+ (1<<ucp_gbLVT)|(1<<ucp_gbOther),
+
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark), /* 5 SpacingMark */
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark)|(1<<ucp_gbL)| /* 6 L */
+ (1<<ucp_gbV)|(1<<ucp_gbLV)|(1<<ucp_gbLVT),
+
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark)|(1<<ucp_gbV)| /* 7 V */
+ (1<<ucp_gbT),
+
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark)|(1<<ucp_gbT), /* 8 T */
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark)|(1<<ucp_gbV)| /* 9 LV */
+ (1<<ucp_gbT),
+
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark)|(1<<ucp_gbT), /* 10 LVT */
+ (1<<ucp_gbRegionalIndicator), /* 11 RegionalIndicator */
+ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark) /* 12 Other */
+};
+
+#ifdef SUPPORT_JIT
+/* This table reverses PRIV(ucp_gentype). We can save the cost
+of a memory load. */
+
+const int PRIV(ucp_typerange)[] = {
+ ucp_Cc, ucp_Cs,
+ ucp_Ll, ucp_Lu,
+ ucp_Mc, ucp_Mn,
+ ucp_Nd, ucp_No,
+ ucp_Pc, ucp_Ps,
+ ucp_Sc, ucp_So,
+ ucp_Zl, ucp_Zs,
+};
+#endif /* SUPPORT_JIT */
+
+/* The pcre_utt[] table below translates Unicode property names into type and
+code values. It is searched by binary chop, so must be in collating sequence of
+name. Originally, the table contained pointers to the name strings in the first
+field of each entry. However, that leads to a large number of relocations when
+a shared library is dynamically loaded. A significant reduction is made by
+putting all the names into a single, large string and then using offsets in the
+table itself. Maintenance is more error-prone, but frequent changes to this
+data are unlikely.
+
+July 2008: There is now a script called maint/GenerateUtt.py that can be used
+to generate this data automatically instead of maintaining it by hand.
+
+The script was updated in March 2009 to generate a new EBCDIC-compliant
+version. Like all other character and string literals that are compared against
+the regular expression pattern, we must use STR_ macros instead of literal
+strings to make sure that UTF-8 support works on EBCDIC platforms. */
+
+#define STRING_Any0 STR_A STR_n STR_y "\0"
+#define STRING_Arabic0 STR_A STR_r STR_a STR_b STR_i STR_c "\0"
+#define STRING_Armenian0 STR_A STR_r STR_m STR_e STR_n STR_i STR_a STR_n "\0"
+#define STRING_Avestan0 STR_A STR_v STR_e STR_s STR_t STR_a STR_n "\0"
+#define STRING_Balinese0 STR_B STR_a STR_l STR_i STR_n STR_e STR_s STR_e "\0"
+#define STRING_Bamum0 STR_B STR_a STR_m STR_u STR_m "\0"
+#define STRING_Bassa_Vah0 STR_B STR_a STR_s STR_s STR_a STR_UNDERSCORE STR_V STR_a STR_h "\0"
+#define STRING_Batak0 STR_B STR_a STR_t STR_a STR_k "\0"
+#define STRING_Bengali0 STR_B STR_e STR_n STR_g STR_a STR_l STR_i "\0"
+#define STRING_Bopomofo0 STR_B STR_o STR_p STR_o STR_m STR_o STR_f STR_o "\0"
+#define STRING_Brahmi0 STR_B STR_r STR_a STR_h STR_m STR_i "\0"
+#define STRING_Braille0 STR_B STR_r STR_a STR_i STR_l STR_l STR_e "\0"
+#define STRING_Buginese0 STR_B STR_u STR_g STR_i STR_n STR_e STR_s STR_e "\0"
+#define STRING_Buhid0 STR_B STR_u STR_h STR_i STR_d "\0"
+#define STRING_C0 STR_C "\0"
+#define STRING_Canadian_Aboriginal0 STR_C STR_a STR_n STR_a STR_d STR_i STR_a STR_n STR_UNDERSCORE STR_A STR_b STR_o STR_r STR_i STR_g STR_i STR_n STR_a STR_l "\0"
+#define STRING_Carian0 STR_C STR_a STR_r STR_i STR_a STR_n "\0"
+#define STRING_Caucasian_Albanian0 STR_C STR_a STR_u STR_c STR_a STR_s STR_i STR_a STR_n STR_UNDERSCORE STR_A STR_l STR_b STR_a STR_n STR_i STR_a STR_n "\0"
+#define STRING_Cc0 STR_C STR_c "\0"
+#define STRING_Cf0 STR_C STR_f "\0"
+#define STRING_Chakma0 STR_C STR_h STR_a STR_k STR_m STR_a "\0"
+#define STRING_Cham0 STR_C STR_h STR_a STR_m "\0"
+#define STRING_Cherokee0 STR_C STR_h STR_e STR_r STR_o STR_k STR_e STR_e "\0"
+#define STRING_Cn0 STR_C STR_n "\0"
+#define STRING_Co0 STR_C STR_o "\0"
+#define STRING_Common0 STR_C STR_o STR_m STR_m STR_o STR_n "\0"
+#define STRING_Coptic0 STR_C STR_o STR_p STR_t STR_i STR_c "\0"
+#define STRING_Cs0 STR_C STR_s "\0"
+#define STRING_Cuneiform0 STR_C STR_u STR_n STR_e STR_i STR_f STR_o STR_r STR_m "\0"
+#define STRING_Cypriot0 STR_C STR_y STR_p STR_r STR_i STR_o STR_t "\0"
+#define STRING_Cyrillic0 STR_C STR_y STR_r STR_i STR_l STR_l STR_i STR_c "\0"
+#define STRING_Deseret0 STR_D STR_e STR_s STR_e STR_r STR_e STR_t "\0"
+#define STRING_Devanagari0 STR_D STR_e STR_v STR_a STR_n STR_a STR_g STR_a STR_r STR_i "\0"
+#define STRING_Duployan0 STR_D STR_u STR_p STR_l STR_o STR_y STR_a STR_n "\0"
+#define STRING_Egyptian_Hieroglyphs0 STR_E STR_g STR_y STR_p STR_t STR_i STR_a STR_n STR_UNDERSCORE STR_H STR_i STR_e STR_r STR_o STR_g STR_l STR_y STR_p STR_h STR_s "\0"
+#define STRING_Elbasan0 STR_E STR_l STR_b STR_a STR_s STR_a STR_n "\0"
+#define STRING_Ethiopic0 STR_E STR_t STR_h STR_i STR_o STR_p STR_i STR_c "\0"
+#define STRING_Georgian0 STR_G STR_e STR_o STR_r STR_g STR_i STR_a STR_n "\0"
+#define STRING_Glagolitic0 STR_G STR_l STR_a STR_g STR_o STR_l STR_i STR_t STR_i STR_c "\0"
+#define STRING_Gothic0 STR_G STR_o STR_t STR_h STR_i STR_c "\0"
+#define STRING_Grantha0 STR_G STR_r STR_a STR_n STR_t STR_h STR_a "\0"
+#define STRING_Greek0 STR_G STR_r STR_e STR_e STR_k "\0"
+#define STRING_Gujarati0 STR_G STR_u STR_j STR_a STR_r STR_a STR_t STR_i "\0"
+#define STRING_Gurmukhi0 STR_G STR_u STR_r STR_m STR_u STR_k STR_h STR_i "\0"
+#define STRING_Han0 STR_H STR_a STR_n "\0"
+#define STRING_Hangul0 STR_H STR_a STR_n STR_g STR_u STR_l "\0"
+#define STRING_Hanunoo0 STR_H STR_a STR_n STR_u STR_n STR_o STR_o "\0"
+#define STRING_Hebrew0 STR_H STR_e STR_b STR_r STR_e STR_w "\0"
+#define STRING_Hiragana0 STR_H STR_i STR_r STR_a STR_g STR_a STR_n STR_a "\0"
+#define STRING_Imperial_Aramaic0 STR_I STR_m STR_p STR_e STR_r STR_i STR_a STR_l STR_UNDERSCORE STR_A STR_r STR_a STR_m STR_a STR_i STR_c "\0"
+#define STRING_Inherited0 STR_I STR_n STR_h STR_e STR_r STR_i STR_t STR_e STR_d "\0"
+#define STRING_Inscriptional_Pahlavi0 STR_I STR_n STR_s STR_c STR_r STR_i STR_p STR_t STR_i STR_o STR_n STR_a STR_l STR_UNDERSCORE STR_P STR_a STR_h STR_l STR_a STR_v STR_i "\0"
+#define STRING_Inscriptional_Parthian0 STR_I STR_n STR_s STR_c STR_r STR_i STR_p STR_t STR_i STR_o STR_n STR_a STR_l STR_UNDERSCORE STR_P STR_a STR_r STR_t STR_h STR_i STR_a STR_n "\0"
+#define STRING_Javanese0 STR_J STR_a STR_v STR_a STR_n STR_e STR_s STR_e "\0"
+#define STRING_Kaithi0 STR_K STR_a STR_i STR_t STR_h STR_i "\0"
+#define STRING_Kannada0 STR_K STR_a STR_n STR_n STR_a STR_d STR_a "\0"
+#define STRING_Katakana0 STR_K STR_a STR_t STR_a STR_k STR_a STR_n STR_a "\0"
+#define STRING_Kayah_Li0 STR_K STR_a STR_y STR_a STR_h STR_UNDERSCORE STR_L STR_i "\0"
+#define STRING_Kharoshthi0 STR_K STR_h STR_a STR_r STR_o STR_s STR_h STR_t STR_h STR_i "\0"
+#define STRING_Khmer0 STR_K STR_h STR_m STR_e STR_r "\0"
+#define STRING_Khojki0 STR_K STR_h STR_o STR_j STR_k STR_i "\0"
+#define STRING_Khudawadi0 STR_K STR_h STR_u STR_d STR_a STR_w STR_a STR_d STR_i "\0"
+#define STRING_L0 STR_L "\0"
+#define STRING_L_AMPERSAND0 STR_L STR_AMPERSAND "\0"
+#define STRING_Lao0 STR_L STR_a STR_o "\0"
+#define STRING_Latin0 STR_L STR_a STR_t STR_i STR_n "\0"
+#define STRING_Lepcha0 STR_L STR_e STR_p STR_c STR_h STR_a "\0"
+#define STRING_Limbu0 STR_L STR_i STR_m STR_b STR_u "\0"
+#define STRING_Linear_A0 STR_L STR_i STR_n STR_e STR_a STR_r STR_UNDERSCORE STR_A "\0"
+#define STRING_Linear_B0 STR_L STR_i STR_n STR_e STR_a STR_r STR_UNDERSCORE STR_B "\0"
+#define STRING_Lisu0 STR_L STR_i STR_s STR_u "\0"
+#define STRING_Ll0 STR_L STR_l "\0"
+#define STRING_Lm0 STR_L STR_m "\0"
+#define STRING_Lo0 STR_L STR_o "\0"
+#define STRING_Lt0 STR_L STR_t "\0"
+#define STRING_Lu0 STR_L STR_u "\0"
+#define STRING_Lycian0 STR_L STR_y STR_c STR_i STR_a STR_n "\0"
+#define STRING_Lydian0 STR_L STR_y STR_d STR_i STR_a STR_n "\0"
+#define STRING_M0 STR_M "\0"
+#define STRING_Mahajani0 STR_M STR_a STR_h STR_a STR_j STR_a STR_n STR_i "\0"
+#define STRING_Malayalam0 STR_M STR_a STR_l STR_a STR_y STR_a STR_l STR_a STR_m "\0"
+#define STRING_Mandaic0 STR_M STR_a STR_n STR_d STR_a STR_i STR_c "\0"
+#define STRING_Manichaean0 STR_M STR_a STR_n STR_i STR_c STR_h STR_a STR_e STR_a STR_n "\0"
+#define STRING_Mc0 STR_M STR_c "\0"
+#define STRING_Me0 STR_M STR_e "\0"
+#define STRING_Meetei_Mayek0 STR_M STR_e STR_e STR_t STR_e STR_i STR_UNDERSCORE STR_M STR_a STR_y STR_e STR_k "\0"
+#define STRING_Mende_Kikakui0 STR_M STR_e STR_n STR_d STR_e STR_UNDERSCORE STR_K STR_i STR_k STR_a STR_k STR_u STR_i "\0"
+#define STRING_Meroitic_Cursive0 STR_M STR_e STR_r STR_o STR_i STR_t STR_i STR_c STR_UNDERSCORE STR_C STR_u STR_r STR_s STR_i STR_v STR_e "\0"
+#define STRING_Meroitic_Hieroglyphs0 STR_M STR_e STR_r STR_o STR_i STR_t STR_i STR_c STR_UNDERSCORE STR_H STR_i STR_e STR_r STR_o STR_g STR_l STR_y STR_p STR_h STR_s "\0"
+#define STRING_Miao0 STR_M STR_i STR_a STR_o "\0"
+#define STRING_Mn0 STR_M STR_n "\0"
+#define STRING_Modi0 STR_M STR_o STR_d STR_i "\0"
+#define STRING_Mongolian0 STR_M STR_o STR_n STR_g STR_o STR_l STR_i STR_a STR_n "\0"
+#define STRING_Mro0 STR_M STR_r STR_o "\0"
+#define STRING_Myanmar0 STR_M STR_y STR_a STR_n STR_m STR_a STR_r "\0"
+#define STRING_N0 STR_N "\0"
+#define STRING_Nabataean0 STR_N STR_a STR_b STR_a STR_t STR_a STR_e STR_a STR_n "\0"
+#define STRING_Nd0 STR_N STR_d "\0"
+#define STRING_New_Tai_Lue0 STR_N STR_e STR_w STR_UNDERSCORE STR_T STR_a STR_i STR_UNDERSCORE STR_L STR_u STR_e "\0"
+#define STRING_Nko0 STR_N STR_k STR_o "\0"
+#define STRING_Nl0 STR_N STR_l "\0"
+#define STRING_No0 STR_N STR_o "\0"
+#define STRING_Ogham0 STR_O STR_g STR_h STR_a STR_m "\0"
+#define STRING_Ol_Chiki0 STR_O STR_l STR_UNDERSCORE STR_C STR_h STR_i STR_k STR_i "\0"
+#define STRING_Old_Italic0 STR_O STR_l STR_d STR_UNDERSCORE STR_I STR_t STR_a STR_l STR_i STR_c "\0"
+#define STRING_Old_North_Arabian0 STR_O STR_l STR_d STR_UNDERSCORE STR_N STR_o STR_r STR_t STR_h STR_UNDERSCORE STR_A STR_r STR_a STR_b STR_i STR_a STR_n "\0"
+#define STRING_Old_Permic0 STR_O STR_l STR_d STR_UNDERSCORE STR_P STR_e STR_r STR_m STR_i STR_c "\0"
+#define STRING_Old_Persian0 STR_O STR_l STR_d STR_UNDERSCORE STR_P STR_e STR_r STR_s STR_i STR_a STR_n "\0"
+#define STRING_Old_South_Arabian0 STR_O STR_l STR_d STR_UNDERSCORE STR_S STR_o STR_u STR_t STR_h STR_UNDERSCORE STR_A STR_r STR_a STR_b STR_i STR_a STR_n "\0"
+#define STRING_Old_Turkic0 STR_O STR_l STR_d STR_UNDERSCORE STR_T STR_u STR_r STR_k STR_i STR_c "\0"
+#define STRING_Oriya0 STR_O STR_r STR_i STR_y STR_a "\0"
+#define STRING_Osmanya0 STR_O STR_s STR_m STR_a STR_n STR_y STR_a "\0"
+#define STRING_P0 STR_P "\0"
+#define STRING_Pahawh_Hmong0 STR_P STR_a STR_h STR_a STR_w STR_h STR_UNDERSCORE STR_H STR_m STR_o STR_n STR_g "\0"
+#define STRING_Palmyrene0 STR_P STR_a STR_l STR_m STR_y STR_r STR_e STR_n STR_e "\0"
+#define STRING_Pau_Cin_Hau0 STR_P STR_a STR_u STR_UNDERSCORE STR_C STR_i STR_n STR_UNDERSCORE STR_H STR_a STR_u "\0"
+#define STRING_Pc0 STR_P STR_c "\0"
+#define STRING_Pd0 STR_P STR_d "\0"
+#define STRING_Pe0 STR_P STR_e "\0"
+#define STRING_Pf0 STR_P STR_f "\0"
+#define STRING_Phags_Pa0 STR_P STR_h STR_a STR_g STR_s STR_UNDERSCORE STR_P STR_a "\0"
+#define STRING_Phoenician0 STR_P STR_h STR_o STR_e STR_n STR_i STR_c STR_i STR_a STR_n "\0"
+#define STRING_Pi0 STR_P STR_i "\0"
+#define STRING_Po0 STR_P STR_o "\0"
+#define STRING_Ps0 STR_P STR_s "\0"
+#define STRING_Psalter_Pahlavi0 STR_P STR_s STR_a STR_l STR_t STR_e STR_r STR_UNDERSCORE STR_P STR_a STR_h STR_l STR_a STR_v STR_i "\0"
+#define STRING_Rejang0 STR_R STR_e STR_j STR_a STR_n STR_g "\0"
+#define STRING_Runic0 STR_R STR_u STR_n STR_i STR_c "\0"
+#define STRING_S0 STR_S "\0"
+#define STRING_Samaritan0 STR_S STR_a STR_m STR_a STR_r STR_i STR_t STR_a STR_n "\0"
+#define STRING_Saurashtra0 STR_S STR_a STR_u STR_r STR_a STR_s STR_h STR_t STR_r STR_a "\0"
+#define STRING_Sc0 STR_S STR_c "\0"
+#define STRING_Sharada0 STR_S STR_h STR_a STR_r STR_a STR_d STR_a "\0"
+#define STRING_Shavian0 STR_S STR_h STR_a STR_v STR_i STR_a STR_n "\0"
+#define STRING_Siddham0 STR_S STR_i STR_d STR_d STR_h STR_a STR_m "\0"
+#define STRING_Sinhala0 STR_S STR_i STR_n STR_h STR_a STR_l STR_a "\0"
+#define STRING_Sk0 STR_S STR_k "\0"
+#define STRING_Sm0 STR_S STR_m "\0"
+#define STRING_So0 STR_S STR_o "\0"
+#define STRING_Sora_Sompeng0 STR_S STR_o STR_r STR_a STR_UNDERSCORE STR_S STR_o STR_m STR_p STR_e STR_n STR_g "\0"
+#define STRING_Sundanese0 STR_S STR_u STR_n STR_d STR_a STR_n STR_e STR_s STR_e "\0"
+#define STRING_Syloti_Nagri0 STR_S STR_y STR_l STR_o STR_t STR_i STR_UNDERSCORE STR_N STR_a STR_g STR_r STR_i "\0"
+#define STRING_Syriac0 STR_S STR_y STR_r STR_i STR_a STR_c "\0"
+#define STRING_Tagalog0 STR_T STR_a STR_g STR_a STR_l STR_o STR_g "\0"
+#define STRING_Tagbanwa0 STR_T STR_a STR_g STR_b STR_a STR_n STR_w STR_a "\0"
+#define STRING_Tai_Le0 STR_T STR_a STR_i STR_UNDERSCORE STR_L STR_e "\0"
+#define STRING_Tai_Tham0 STR_T STR_a STR_i STR_UNDERSCORE STR_T STR_h STR_a STR_m "\0"
+#define STRING_Tai_Viet0 STR_T STR_a STR_i STR_UNDERSCORE STR_V STR_i STR_e STR_t "\0"
+#define STRING_Takri0 STR_T STR_a STR_k STR_r STR_i "\0"
+#define STRING_Tamil0 STR_T STR_a STR_m STR_i STR_l "\0"
+#define STRING_Telugu0 STR_T STR_e STR_l STR_u STR_g STR_u "\0"
+#define STRING_Thaana0 STR_T STR_h STR_a STR_a STR_n STR_a "\0"
+#define STRING_Thai0 STR_T STR_h STR_a STR_i "\0"
+#define STRING_Tibetan0 STR_T STR_i STR_b STR_e STR_t STR_a STR_n "\0"
+#define STRING_Tifinagh0 STR_T STR_i STR_f STR_i STR_n STR_a STR_g STR_h "\0"
+#define STRING_Tirhuta0 STR_T STR_i STR_r STR_h STR_u STR_t STR_a "\0"
+#define STRING_Ugaritic0 STR_U STR_g STR_a STR_r STR_i STR_t STR_i STR_c "\0"
+#define STRING_Vai0 STR_V STR_a STR_i "\0"
+#define STRING_Warang_Citi0 STR_W STR_a STR_r STR_a STR_n STR_g STR_UNDERSCORE STR_C STR_i STR_t STR_i "\0"
+#define STRING_Xan0 STR_X STR_a STR_n "\0"
+#define STRING_Xps0 STR_X STR_p STR_s "\0"
+#define STRING_Xsp0 STR_X STR_s STR_p "\0"
+#define STRING_Xuc0 STR_X STR_u STR_c "\0"
+#define STRING_Xwd0 STR_X STR_w STR_d "\0"
+#define STRING_Yi0 STR_Y STR_i "\0"
+#define STRING_Z0 STR_Z "\0"
+#define STRING_Zl0 STR_Z STR_l "\0"
+#define STRING_Zp0 STR_Z STR_p "\0"
+#define STRING_Zs0 STR_Z STR_s "\0"
+
+const char PRIV(utt_names)[] =
+ STRING_Any0
+ STRING_Arabic0
+ STRING_Armenian0
+ STRING_Avestan0
+ STRING_Balinese0
+ STRING_Bamum0
+ STRING_Bassa_Vah0
+ STRING_Batak0
+ STRING_Bengali0
+ STRING_Bopomofo0
+ STRING_Brahmi0
+ STRING_Braille0
+ STRING_Buginese0
+ STRING_Buhid0
+ STRING_C0
+ STRING_Canadian_Aboriginal0
+ STRING_Carian0
+ STRING_Caucasian_Albanian0
+ STRING_Cc0
+ STRING_Cf0
+ STRING_Chakma0
+ STRING_Cham0
+ STRING_Cherokee0
+ STRING_Cn0
+ STRING_Co0
+ STRING_Common0
+ STRING_Coptic0
+ STRING_Cs0
+ STRING_Cuneiform0
+ STRING_Cypriot0
+ STRING_Cyrillic0
+ STRING_Deseret0
+ STRING_Devanagari0
+ STRING_Duployan0
+ STRING_Egyptian_Hieroglyphs0
+ STRING_Elbasan0
+ STRING_Ethiopic0
+ STRING_Georgian0
+ STRING_Glagolitic0
+ STRING_Gothic0
+ STRING_Grantha0
+ STRING_Greek0
+ STRING_Gujarati0
+ STRING_Gurmukhi0
+ STRING_Han0
+ STRING_Hangul0
+ STRING_Hanunoo0
+ STRING_Hebrew0
+ STRING_Hiragana0
+ STRING_Imperial_Aramaic0
+ STRING_Inherited0
+ STRING_Inscriptional_Pahlavi0
+ STRING_Inscriptional_Parthian0
+ STRING_Javanese0
+ STRING_Kaithi0
+ STRING_Kannada0
+ STRING_Katakana0
+ STRING_Kayah_Li0
+ STRING_Kharoshthi0
+ STRING_Khmer0
+ STRING_Khojki0
+ STRING_Khudawadi0
+ STRING_L0
+ STRING_L_AMPERSAND0
+ STRING_Lao0
+ STRING_Latin0
+ STRING_Lepcha0
+ STRING_Limbu0
+ STRING_Linear_A0
+ STRING_Linear_B0
+ STRING_Lisu0
+ STRING_Ll0
+ STRING_Lm0
+ STRING_Lo0
+ STRING_Lt0
+ STRING_Lu0
+ STRING_Lycian0
+ STRING_Lydian0
+ STRING_M0
+ STRING_Mahajani0
+ STRING_Malayalam0
+ STRING_Mandaic0
+ STRING_Manichaean0
+ STRING_Mc0
+ STRING_Me0
+ STRING_Meetei_Mayek0
+ STRING_Mende_Kikakui0
+ STRING_Meroitic_Cursive0
+ STRING_Meroitic_Hieroglyphs0
+ STRING_Miao0
+ STRING_Mn0
+ STRING_Modi0
+ STRING_Mongolian0
+ STRING_Mro0
+ STRING_Myanmar0
+ STRING_N0
+ STRING_Nabataean0
+ STRING_Nd0
+ STRING_New_Tai_Lue0
+ STRING_Nko0
+ STRING_Nl0
+ STRING_No0
+ STRING_Ogham0
+ STRING_Ol_Chiki0
+ STRING_Old_Italic0
+ STRING_Old_North_Arabian0
+ STRING_Old_Permic0
+ STRING_Old_Persian0
+ STRING_Old_South_Arabian0
+ STRING_Old_Turkic0
+ STRING_Oriya0
+ STRING_Osmanya0
+ STRING_P0
+ STRING_Pahawh_Hmong0
+ STRING_Palmyrene0
+ STRING_Pau_Cin_Hau0
+ STRING_Pc0
+ STRING_Pd0
+ STRING_Pe0
+ STRING_Pf0
+ STRING_Phags_Pa0
+ STRING_Phoenician0
+ STRING_Pi0
+ STRING_Po0
+ STRING_Ps0
+ STRING_Psalter_Pahlavi0
+ STRING_Rejang0
+ STRING_Runic0
+ STRING_S0
+ STRING_Samaritan0
+ STRING_Saurashtra0
+ STRING_Sc0
+ STRING_Sharada0
+ STRING_Shavian0
+ STRING_Siddham0
+ STRING_Sinhala0
+ STRING_Sk0
+ STRING_Sm0
+ STRING_So0
+ STRING_Sora_Sompeng0
+ STRING_Sundanese0
+ STRING_Syloti_Nagri0
+ STRING_Syriac0
+ STRING_Tagalog0
+ STRING_Tagbanwa0
+ STRING_Tai_Le0
+ STRING_Tai_Tham0
+ STRING_Tai_Viet0
+ STRING_Takri0
+ STRING_Tamil0
+ STRING_Telugu0
+ STRING_Thaana0
+ STRING_Thai0
+ STRING_Tibetan0
+ STRING_Tifinagh0
+ STRING_Tirhuta0
+ STRING_Ugaritic0
+ STRING_Vai0
+ STRING_Warang_Citi0
+ STRING_Xan0
+ STRING_Xps0
+ STRING_Xsp0
+ STRING_Xuc0
+ STRING_Xwd0
+ STRING_Yi0
+ STRING_Z0
+ STRING_Zl0
+ STRING_Zp0
+ STRING_Zs0;
+
+const ucp_type_table PRIV(utt)[] = {
+ { 0, PT_ANY, 0 },
+ { 4, PT_SC, ucp_Arabic },
+ { 11, PT_SC, ucp_Armenian },
+ { 20, PT_SC, ucp_Avestan },
+ { 28, PT_SC, ucp_Balinese },
+ { 37, PT_SC, ucp_Bamum },
+ { 43, PT_SC, ucp_Bassa_Vah },
+ { 53, PT_SC, ucp_Batak },
+ { 59, PT_SC, ucp_Bengali },
+ { 67, PT_SC, ucp_Bopomofo },
+ { 76, PT_SC, ucp_Brahmi },
+ { 83, PT_SC, ucp_Braille },
+ { 91, PT_SC, ucp_Buginese },
+ { 100, PT_SC, ucp_Buhid },
+ { 106, PT_GC, ucp_C },
+ { 108, PT_SC, ucp_Canadian_Aboriginal },
+ { 128, PT_SC, ucp_Carian },
+ { 135, PT_SC, ucp_Caucasian_Albanian },
+ { 154, PT_PC, ucp_Cc },
+ { 157, PT_PC, ucp_Cf },
+ { 160, PT_SC, ucp_Chakma },
+ { 167, PT_SC, ucp_Cham },
+ { 172, PT_SC, ucp_Cherokee },
+ { 181, PT_PC, ucp_Cn },
+ { 184, PT_PC, ucp_Co },
+ { 187, PT_SC, ucp_Common },
+ { 194, PT_SC, ucp_Coptic },
+ { 201, PT_PC, ucp_Cs },
+ { 204, PT_SC, ucp_Cuneiform },
+ { 214, PT_SC, ucp_Cypriot },
+ { 222, PT_SC, ucp_Cyrillic },
+ { 231, PT_SC, ucp_Deseret },
+ { 239, PT_SC, ucp_Devanagari },
+ { 250, PT_SC, ucp_Duployan },
+ { 259, PT_SC, ucp_Egyptian_Hieroglyphs },
+ { 280, PT_SC, ucp_Elbasan },
+ { 288, PT_SC, ucp_Ethiopic },
+ { 297, PT_SC, ucp_Georgian },
+ { 306, PT_SC, ucp_Glagolitic },
+ { 317, PT_SC, ucp_Gothic },
+ { 324, PT_SC, ucp_Grantha },
+ { 332, PT_SC, ucp_Greek },
+ { 338, PT_SC, ucp_Gujarati },
+ { 347, PT_SC, ucp_Gurmukhi },
+ { 356, PT_SC, ucp_Han },
+ { 360, PT_SC, ucp_Hangul },
+ { 367, PT_SC, ucp_Hanunoo },
+ { 375, PT_SC, ucp_Hebrew },
+ { 382, PT_SC, ucp_Hiragana },
+ { 391, PT_SC, ucp_Imperial_Aramaic },
+ { 408, PT_SC, ucp_Inherited },
+ { 418, PT_SC, ucp_Inscriptional_Pahlavi },
+ { 440, PT_SC, ucp_Inscriptional_Parthian },
+ { 463, PT_SC, ucp_Javanese },
+ { 472, PT_SC, ucp_Kaithi },
+ { 479, PT_SC, ucp_Kannada },
+ { 487, PT_SC, ucp_Katakana },
+ { 496, PT_SC, ucp_Kayah_Li },
+ { 505, PT_SC, ucp_Kharoshthi },
+ { 516, PT_SC, ucp_Khmer },
+ { 522, PT_SC, ucp_Khojki },
+ { 529, PT_SC, ucp_Khudawadi },
+ { 539, PT_GC, ucp_L },
+ { 541, PT_LAMP, 0 },
+ { 544, PT_SC, ucp_Lao },
+ { 548, PT_SC, ucp_Latin },
+ { 554, PT_SC, ucp_Lepcha },
+ { 561, PT_SC, ucp_Limbu },
+ { 567, PT_SC, ucp_Linear_A },
+ { 576, PT_SC, ucp_Linear_B },
+ { 585, PT_SC, ucp_Lisu },
+ { 590, PT_PC, ucp_Ll },
+ { 593, PT_PC, ucp_Lm },
+ { 596, PT_PC, ucp_Lo },
+ { 599, PT_PC, ucp_Lt },
+ { 602, PT_PC, ucp_Lu },
+ { 605, PT_SC, ucp_Lycian },
+ { 612, PT_SC, ucp_Lydian },
+ { 619, PT_GC, ucp_M },
+ { 621, PT_SC, ucp_Mahajani },
+ { 630, PT_SC, ucp_Malayalam },
+ { 640, PT_SC, ucp_Mandaic },
+ { 648, PT_SC, ucp_Manichaean },
+ { 659, PT_PC, ucp_Mc },
+ { 662, PT_PC, ucp_Me },
+ { 665, PT_SC, ucp_Meetei_Mayek },
+ { 678, PT_SC, ucp_Mende_Kikakui },
+ { 692, PT_SC, ucp_Meroitic_Cursive },
+ { 709, PT_SC, ucp_Meroitic_Hieroglyphs },
+ { 730, PT_SC, ucp_Miao },
+ { 735, PT_PC, ucp_Mn },
+ { 738, PT_SC, ucp_Modi },
+ { 743, PT_SC, ucp_Mongolian },
+ { 753, PT_SC, ucp_Mro },
+ { 757, PT_SC, ucp_Myanmar },
+ { 765, PT_GC, ucp_N },
+ { 767, PT_SC, ucp_Nabataean },
+ { 777, PT_PC, ucp_Nd },
+ { 780, PT_SC, ucp_New_Tai_Lue },
+ { 792, PT_SC, ucp_Nko },
+ { 796, PT_PC, ucp_Nl },
+ { 799, PT_PC, ucp_No },
+ { 802, PT_SC, ucp_Ogham },
+ { 808, PT_SC, ucp_Ol_Chiki },
+ { 817, PT_SC, ucp_Old_Italic },
+ { 828, PT_SC, ucp_Old_North_Arabian },
+ { 846, PT_SC, ucp_Old_Permic },
+ { 857, PT_SC, ucp_Old_Persian },
+ { 869, PT_SC, ucp_Old_South_Arabian },
+ { 887, PT_SC, ucp_Old_Turkic },
+ { 898, PT_SC, ucp_Oriya },
+ { 904, PT_SC, ucp_Osmanya },
+ { 912, PT_GC, ucp_P },
+ { 914, PT_SC, ucp_Pahawh_Hmong },
+ { 927, PT_SC, ucp_Palmyrene },
+ { 937, PT_SC, ucp_Pau_Cin_Hau },
+ { 949, PT_PC, ucp_Pc },
+ { 952, PT_PC, ucp_Pd },
+ { 955, PT_PC, ucp_Pe },
+ { 958, PT_PC, ucp_Pf },
+ { 961, PT_SC, ucp_Phags_Pa },
+ { 970, PT_SC, ucp_Phoenician },
+ { 981, PT_PC, ucp_Pi },
+ { 984, PT_PC, ucp_Po },
+ { 987, PT_PC, ucp_Ps },
+ { 990, PT_SC, ucp_Psalter_Pahlavi },
+ { 1006, PT_SC, ucp_Rejang },
+ { 1013, PT_SC, ucp_Runic },
+ { 1019, PT_GC, ucp_S },
+ { 1021, PT_SC, ucp_Samaritan },
+ { 1031, PT_SC, ucp_Saurashtra },
+ { 1042, PT_PC, ucp_Sc },
+ { 1045, PT_SC, ucp_Sharada },
+ { 1053, PT_SC, ucp_Shavian },
+ { 1061, PT_SC, ucp_Siddham },
+ { 1069, PT_SC, ucp_Sinhala },
+ { 1077, PT_PC, ucp_Sk },
+ { 1080, PT_PC, ucp_Sm },
+ { 1083, PT_PC, ucp_So },
+ { 1086, PT_SC, ucp_Sora_Sompeng },
+ { 1099, PT_SC, ucp_Sundanese },
+ { 1109, PT_SC, ucp_Syloti_Nagri },
+ { 1122, PT_SC, ucp_Syriac },
+ { 1129, PT_SC, ucp_Tagalog },
+ { 1137, PT_SC, ucp_Tagbanwa },
+ { 1146, PT_SC, ucp_Tai_Le },
+ { 1153, PT_SC, ucp_Tai_Tham },
+ { 1162, PT_SC, ucp_Tai_Viet },
+ { 1171, PT_SC, ucp_Takri },
+ { 1177, PT_SC, ucp_Tamil },
+ { 1183, PT_SC, ucp_Telugu },
+ { 1190, PT_SC, ucp_Thaana },
+ { 1197, PT_SC, ucp_Thai },
+ { 1202, PT_SC, ucp_Tibetan },
+ { 1210, PT_SC, ucp_Tifinagh },
+ { 1219, PT_SC, ucp_Tirhuta },
+ { 1227, PT_SC, ucp_Ugaritic },
+ { 1236, PT_SC, ucp_Vai },
+ { 1240, PT_SC, ucp_Warang_Citi },
+ { 1252, PT_ALNUM, 0 },
+ { 1256, PT_PXSPACE, 0 },
+ { 1260, PT_SPACE, 0 },
+ { 1264, PT_UCNC, 0 },
+ { 1268, PT_WORD, 0 },
+ { 1272, PT_SC, ucp_Yi },
+ { 1275, PT_GC, ucp_Z },
+ { 1277, PT_PC, ucp_Zl },
+ { 1280, PT_PC, ucp_Zp },
+ { 1283, PT_PC, ucp_Zs }
+};
+
+const int PRIV(utt_size) = sizeof(PRIV(utt)) / sizeof(ucp_type_table);
+
+#endif /* SUPPORT_UTF */
+
+/* End of pcre_tables.c */
diff --git a/deps/pcre/pcre_ucd.c b/deps/pcre/pcre_ucd.c
new file mode 100644
index 0000000..f22f826
--- /dev/null
+++ b/deps/pcre/pcre_ucd.c
@@ -0,0 +1,3644 @@
+/* This module is generated by the maint/MultiStage2.py script.
+Do not modify it by hand. Instead modify the script and run it
+to regenerate this code.
+
+As well as being part of the PCRE library, this module is #included
+by the pcretest program, which redefines the PRIV macro to change
+table names from _pcre_xxx to xxxx, thereby avoiding name clashes
+with the library. At present, just one of these tables is actually
+needed. */
+
+#ifndef PCRE_INCLUDED
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+#endif /* PCRE_INCLUDED */
+
+/* Unicode character database. */
+/* This file was autogenerated by the MultiStage2.py script. */
+/* Total size: 72576 bytes, block size: 128. */
+
+/* The tables herein are needed only when UCP support is built
+into PCRE. This module should not be referenced otherwise, so
+it should not matter whether it is compiled or not. However
+a comment was received about space saving - maybe the guy linked
+all the modules rather than using a library - so we include a
+condition to cut out the tables when not needed. But don't leave
+a totally empty module because some compilers barf at that.
+Instead, just supply small dummy tables. */
+
+#ifndef SUPPORT_UCP
+const ucd_record PRIV(ucd_records)[] = {{0,0,0,0,0 }};
+const pcre_uint8 PRIV(ucd_stage1)[] = {0};
+const pcre_uint16 PRIV(ucd_stage2)[] = {0};
+const pcre_uint32 PRIV(ucd_caseless_sets)[] = {0};
+#else
+
+/* If the 32-bit library is run in non-32-bit mode, character values
+greater than 0x10ffff may be encountered. For these we set up a
+special record. */
+
+#ifdef COMPILE_PCRE32
+const ucd_record PRIV(dummy_ucd_record)[] = {{
+ ucp_Common, /* script */
+ ucp_Cn, /* type unassigned */
+ ucp_gbOther, /* grapheme break property */
+ 0, /* case set */
+ 0, /* other case */
+ }};
+#endif
+
+/* When recompiling tables with a new Unicode version, please check the
+types in this structure definition from pcre_internal.h (the actual
+field names will be different):
+
+typedef struct {
+pcre_uint8 property_0;
+pcre_uint8 property_1;
+pcre_uint8 property_2;
+pcre_uint8 property_3;
+pcre_int32 property_4;
+} ucd_record;
+*/
+
+
+const pcre_uint32 PRIV(ucd_caseless_sets)[] = {
+ NOTACHAR,
+ 0x0053, 0x0073, 0x017f, NOTACHAR,
+ 0x01c4, 0x01c5, 0x01c6, NOTACHAR,
+ 0x01c7, 0x01c8, 0x01c9, NOTACHAR,
+ 0x01ca, 0x01cb, 0x01cc, NOTACHAR,
+ 0x01f1, 0x01f2, 0x01f3, NOTACHAR,
+ 0x0345, 0x0399, 0x03b9, 0x1fbe, NOTACHAR,
+ 0x00b5, 0x039c, 0x03bc, NOTACHAR,
+ 0x03a3, 0x03c2, 0x03c3, NOTACHAR,
+ 0x0392, 0x03b2, 0x03d0, NOTACHAR,
+ 0x0398, 0x03b8, 0x03d1, 0x03f4, NOTACHAR,
+ 0x03a6, 0x03c6, 0x03d5, NOTACHAR,
+ 0x03a0, 0x03c0, 0x03d6, NOTACHAR,
+ 0x039a, 0x03ba, 0x03f0, NOTACHAR,
+ 0x03a1, 0x03c1, 0x03f1, NOTACHAR,
+ 0x0395, 0x03b5, 0x03f5, NOTACHAR,
+ 0x1e60, 0x1e61, 0x1e9b, NOTACHAR,
+ 0x03a9, 0x03c9, 0x2126, NOTACHAR,
+ 0x004b, 0x006b, 0x212a, NOTACHAR,
+ 0x00c5, 0x00e5, 0x212b, NOTACHAR,
+};
+
+/* When #included in pcretest, we don't need this large table. */
+
+#ifndef PCRE_INCLUDED
+
+const ucd_record PRIV(ucd_records)[] = { /* 5760 bytes, record size 8 */
+ { 9, 0, 2, 0, 0, }, /* 0 */
+ { 9, 0, 1, 0, 0, }, /* 1 */
+ { 9, 0, 0, 0, 0, }, /* 2 */
+ { 9, 29, 12, 0, 0, }, /* 3 */
+ { 9, 21, 12, 0, 0, }, /* 4 */
+ { 9, 23, 12, 0, 0, }, /* 5 */
+ { 9, 22, 12, 0, 0, }, /* 6 */
+ { 9, 18, 12, 0, 0, }, /* 7 */
+ { 9, 25, 12, 0, 0, }, /* 8 */
+ { 9, 17, 12, 0, 0, }, /* 9 */
+ { 9, 13, 12, 0, 0, }, /* 10 */
+ { 33, 9, 12, 0, 32, }, /* 11 */
+ { 33, 9, 12, 71, 32, }, /* 12 */
+ { 33, 9, 12, 1, 32, }, /* 13 */
+ { 9, 24, 12, 0, 0, }, /* 14 */
+ { 9, 16, 12, 0, 0, }, /* 15 */
+ { 33, 5, 12, 0, -32, }, /* 16 */
+ { 33, 5, 12, 71, -32, }, /* 17 */
+ { 33, 5, 12, 1, -32, }, /* 18 */
+ { 9, 26, 12, 0, 0, }, /* 19 */
+ { 33, 7, 12, 0, 0, }, /* 20 */
+ { 9, 20, 12, 0, 0, }, /* 21 */
+ { 9, 1, 2, 0, 0, }, /* 22 */
+ { 9, 15, 12, 0, 0, }, /* 23 */
+ { 9, 5, 12, 26, 775, }, /* 24 */
+ { 9, 19, 12, 0, 0, }, /* 25 */
+ { 33, 9, 12, 75, 32, }, /* 26 */
+ { 33, 5, 12, 0, 7615, }, /* 27 */
+ { 33, 5, 12, 75, -32, }, /* 28 */
+ { 33, 5, 12, 0, 121, }, /* 29 */
+ { 33, 9, 12, 0, 1, }, /* 30 */
+ { 33, 5, 12, 0, -1, }, /* 31 */
+ { 33, 9, 12, 0, 0, }, /* 32 */
+ { 33, 5, 12, 0, 0, }, /* 33 */
+ { 33, 9, 12, 0, -121, }, /* 34 */
+ { 33, 5, 12, 1, -268, }, /* 35 */
+ { 33, 5, 12, 0, 195, }, /* 36 */
+ { 33, 9, 12, 0, 210, }, /* 37 */
+ { 33, 9, 12, 0, 206, }, /* 38 */
+ { 33, 9, 12, 0, 205, }, /* 39 */
+ { 33, 9, 12, 0, 79, }, /* 40 */
+ { 33, 9, 12, 0, 202, }, /* 41 */
+ { 33, 9, 12, 0, 203, }, /* 42 */
+ { 33, 9, 12, 0, 207, }, /* 43 */
+ { 33, 5, 12, 0, 97, }, /* 44 */
+ { 33, 9, 12, 0, 211, }, /* 45 */
+ { 33, 9, 12, 0, 209, }, /* 46 */
+ { 33, 5, 12, 0, 163, }, /* 47 */
+ { 33, 9, 12, 0, 213, }, /* 48 */
+ { 33, 5, 12, 0, 130, }, /* 49 */
+ { 33, 9, 12, 0, 214, }, /* 50 */
+ { 33, 9, 12, 0, 218, }, /* 51 */
+ { 33, 9, 12, 0, 217, }, /* 52 */
+ { 33, 9, 12, 0, 219, }, /* 53 */
+ { 33, 5, 12, 0, 56, }, /* 54 */
+ { 33, 9, 12, 5, 2, }, /* 55 */
+ { 33, 8, 12, 5, 1, }, /* 56 */
+ { 33, 5, 12, 5, -2, }, /* 57 */
+ { 33, 9, 12, 9, 2, }, /* 58 */
+ { 33, 8, 12, 9, 1, }, /* 59 */
+ { 33, 5, 12, 9, -2, }, /* 60 */
+ { 33, 9, 12, 13, 2, }, /* 61 */
+ { 33, 8, 12, 13, 1, }, /* 62 */
+ { 33, 5, 12, 13, -2, }, /* 63 */
+ { 33, 5, 12, 0, -79, }, /* 64 */
+ { 33, 9, 12, 17, 2, }, /* 65 */
+ { 33, 8, 12, 17, 1, }, /* 66 */
+ { 33, 5, 12, 17, -2, }, /* 67 */
+ { 33, 9, 12, 0, -97, }, /* 68 */
+ { 33, 9, 12, 0, -56, }, /* 69 */
+ { 33, 9, 12, 0, -130, }, /* 70 */
+ { 33, 9, 12, 0, 10795, }, /* 71 */
+ { 33, 9, 12, 0, -163, }, /* 72 */
+ { 33, 9, 12, 0, 10792, }, /* 73 */
+ { 33, 5, 12, 0, 10815, }, /* 74 */
+ { 33, 9, 12, 0, -195, }, /* 75 */
+ { 33, 9, 12, 0, 69, }, /* 76 */
+ { 33, 9, 12, 0, 71, }, /* 77 */
+ { 33, 5, 12, 0, 10783, }, /* 78 */
+ { 33, 5, 12, 0, 10780, }, /* 79 */
+ { 33, 5, 12, 0, 10782, }, /* 80 */
+ { 33, 5, 12, 0, -210, }, /* 81 */
+ { 33, 5, 12, 0, -206, }, /* 82 */
+ { 33, 5, 12, 0, -205, }, /* 83 */
+ { 33, 5, 12, 0, -202, }, /* 84 */
+ { 33, 5, 12, 0, -203, }, /* 85 */
+ { 33, 5, 12, 0, 42319, }, /* 86 */
+ { 33, 5, 12, 0, 42315, }, /* 87 */
+ { 33, 5, 12, 0, -207, }, /* 88 */
+ { 33, 5, 12, 0, 42280, }, /* 89 */
+ { 33, 5, 12, 0, 42308, }, /* 90 */
+ { 33, 5, 12, 0, -209, }, /* 91 */
+ { 33, 5, 12, 0, -211, }, /* 92 */
+ { 33, 5, 12, 0, 10743, }, /* 93 */
+ { 33, 5, 12, 0, 42305, }, /* 94 */
+ { 33, 5, 12, 0, 10749, }, /* 95 */
+ { 33, 5, 12, 0, -213, }, /* 96 */
+ { 33, 5, 12, 0, -214, }, /* 97 */
+ { 33, 5, 12, 0, 10727, }, /* 98 */
+ { 33, 5, 12, 0, -218, }, /* 99 */
+ { 33, 5, 12, 0, 42282, }, /* 100 */
+ { 33, 5, 12, 0, -69, }, /* 101 */
+ { 33, 5, 12, 0, -217, }, /* 102 */
+ { 33, 5, 12, 0, -71, }, /* 103 */
+ { 33, 5, 12, 0, -219, }, /* 104 */
+ { 33, 5, 12, 0, 42258, }, /* 105 */
+ { 33, 6, 12, 0, 0, }, /* 106 */
+ { 9, 6, 12, 0, 0, }, /* 107 */
+ { 3, 24, 12, 0, 0, }, /* 108 */
+ { 27, 12, 3, 0, 0, }, /* 109 */
+ { 27, 12, 3, 21, 116, }, /* 110 */
+ { 19, 9, 12, 0, 1, }, /* 111 */
+ { 19, 5, 12, 0, -1, }, /* 112 */
+ { 19, 24, 12, 0, 0, }, /* 113 */
+ { 9, 2, 12, 0, 0, }, /* 114 */
+ { 19, 6, 12, 0, 0, }, /* 115 */
+ { 19, 5, 12, 0, 130, }, /* 116 */
+ { 19, 9, 12, 0, 116, }, /* 117 */
+ { 19, 9, 12, 0, 38, }, /* 118 */
+ { 19, 9, 12, 0, 37, }, /* 119 */
+ { 19, 9, 12, 0, 64, }, /* 120 */
+ { 19, 9, 12, 0, 63, }, /* 121 */
+ { 19, 5, 12, 0, 0, }, /* 122 */
+ { 19, 9, 12, 0, 32, }, /* 123 */
+ { 19, 9, 12, 34, 32, }, /* 124 */
+ { 19, 9, 12, 59, 32, }, /* 125 */
+ { 19, 9, 12, 38, 32, }, /* 126 */
+ { 19, 9, 12, 21, 32, }, /* 127 */
+ { 19, 9, 12, 51, 32, }, /* 128 */
+ { 19, 9, 12, 26, 32, }, /* 129 */
+ { 19, 9, 12, 47, 32, }, /* 130 */
+ { 19, 9, 12, 55, 32, }, /* 131 */
+ { 19, 9, 12, 30, 32, }, /* 132 */
+ { 19, 9, 12, 43, 32, }, /* 133 */
+ { 19, 9, 12, 67, 32, }, /* 134 */
+ { 19, 5, 12, 0, -38, }, /* 135 */
+ { 19, 5, 12, 0, -37, }, /* 136 */
+ { 19, 5, 12, 0, -32, }, /* 137 */
+ { 19, 5, 12, 34, -32, }, /* 138 */
+ { 19, 5, 12, 59, -32, }, /* 139 */
+ { 19, 5, 12, 38, -32, }, /* 140 */
+ { 19, 5, 12, 21, -116, }, /* 141 */
+ { 19, 5, 12, 51, -32, }, /* 142 */
+ { 19, 5, 12, 26, -775, }, /* 143 */
+ { 19, 5, 12, 47, -32, }, /* 144 */
+ { 19, 5, 12, 55, -32, }, /* 145 */
+ { 19, 5, 12, 30, 1, }, /* 146 */
+ { 19, 5, 12, 30, -32, }, /* 147 */
+ { 19, 5, 12, 43, -32, }, /* 148 */
+ { 19, 5, 12, 67, -32, }, /* 149 */
+ { 19, 5, 12, 0, -64, }, /* 150 */
+ { 19, 5, 12, 0, -63, }, /* 151 */
+ { 19, 9, 12, 0, 8, }, /* 152 */
+ { 19, 5, 12, 34, -30, }, /* 153 */
+ { 19, 5, 12, 38, -25, }, /* 154 */
+ { 19, 9, 12, 0, 0, }, /* 155 */
+ { 19, 5, 12, 43, -15, }, /* 156 */
+ { 19, 5, 12, 47, -22, }, /* 157 */
+ { 19, 5, 12, 0, -8, }, /* 158 */
+ { 10, 9, 12, 0, 1, }, /* 159 */
+ { 10, 5, 12, 0, -1, }, /* 160 */
+ { 19, 5, 12, 51, -54, }, /* 161 */
+ { 19, 5, 12, 55, -48, }, /* 162 */
+ { 19, 5, 12, 0, 7, }, /* 163 */
+ { 19, 5, 12, 0, -116, }, /* 164 */
+ { 19, 9, 12, 38, -60, }, /* 165 */
+ { 19, 5, 12, 59, -64, }, /* 166 */
+ { 19, 25, 12, 0, 0, }, /* 167 */
+ { 19, 9, 12, 0, -7, }, /* 168 */
+ { 19, 9, 12, 0, -130, }, /* 169 */
+ { 12, 9, 12, 0, 80, }, /* 170 */
+ { 12, 9, 12, 0, 32, }, /* 171 */
+ { 12, 5, 12, 0, -32, }, /* 172 */
+ { 12, 5, 12, 0, -80, }, /* 173 */
+ { 12, 9, 12, 0, 1, }, /* 174 */
+ { 12, 5, 12, 0, -1, }, /* 175 */
+ { 12, 26, 12, 0, 0, }, /* 176 */
+ { 12, 12, 3, 0, 0, }, /* 177 */
+ { 12, 11, 3, 0, 0, }, /* 178 */
+ { 12, 9, 12, 0, 15, }, /* 179 */
+ { 12, 5, 12, 0, -15, }, /* 180 */
+ { 1, 9, 12, 0, 48, }, /* 181 */
+ { 1, 6, 12, 0, 0, }, /* 182 */
+ { 1, 21, 12, 0, 0, }, /* 183 */
+ { 1, 5, 12, 0, -48, }, /* 184 */
+ { 1, 5, 12, 0, 0, }, /* 185 */
+ { 1, 17, 12, 0, 0, }, /* 186 */
+ { 1, 26, 12, 0, 0, }, /* 187 */
+ { 1, 23, 12, 0, 0, }, /* 188 */
+ { 25, 12, 3, 0, 0, }, /* 189 */
+ { 25, 17, 12, 0, 0, }, /* 190 */
+ { 25, 21, 12, 0, 0, }, /* 191 */
+ { 25, 7, 12, 0, 0, }, /* 192 */
+ { 0, 1, 2, 0, 0, }, /* 193 */
+ { 0, 25, 12, 0, 0, }, /* 194 */
+ { 0, 21, 12, 0, 0, }, /* 195 */
+ { 0, 23, 12, 0, 0, }, /* 196 */
+ { 0, 26, 12, 0, 0, }, /* 197 */
+ { 0, 12, 3, 0, 0, }, /* 198 */
+ { 0, 7, 12, 0, 0, }, /* 199 */
+ { 0, 6, 12, 0, 0, }, /* 200 */
+ { 0, 13, 12, 0, 0, }, /* 201 */
+ { 49, 21, 12, 0, 0, }, /* 202 */
+ { 49, 1, 2, 0, 0, }, /* 203 */
+ { 49, 7, 12, 0, 0, }, /* 204 */
+ { 49, 12, 3, 0, 0, }, /* 205 */
+ { 55, 7, 12, 0, 0, }, /* 206 */
+ { 55, 12, 3, 0, 0, }, /* 207 */
+ { 63, 13, 12, 0, 0, }, /* 208 */
+ { 63, 7, 12, 0, 0, }, /* 209 */
+ { 63, 12, 3, 0, 0, }, /* 210 */
+ { 63, 6, 12, 0, 0, }, /* 211 */
+ { 63, 26, 12, 0, 0, }, /* 212 */
+ { 63, 21, 12, 0, 0, }, /* 213 */
+ { 89, 7, 12, 0, 0, }, /* 214 */
+ { 89, 12, 3, 0, 0, }, /* 215 */
+ { 89, 6, 12, 0, 0, }, /* 216 */
+ { 89, 21, 12, 0, 0, }, /* 217 */
+ { 94, 7, 12, 0, 0, }, /* 218 */
+ { 94, 12, 3, 0, 0, }, /* 219 */
+ { 94, 21, 12, 0, 0, }, /* 220 */
+ { 14, 12, 3, 0, 0, }, /* 221 */
+ { 14, 10, 5, 0, 0, }, /* 222 */
+ { 14, 7, 12, 0, 0, }, /* 223 */
+ { 14, 13, 12, 0, 0, }, /* 224 */
+ { 14, 21, 12, 0, 0, }, /* 225 */
+ { 14, 6, 12, 0, 0, }, /* 226 */
+ { 2, 7, 12, 0, 0, }, /* 227 */
+ { 2, 12, 3, 0, 0, }, /* 228 */
+ { 2, 10, 5, 0, 0, }, /* 229 */
+ { 2, 10, 3, 0, 0, }, /* 230 */
+ { 2, 13, 12, 0, 0, }, /* 231 */
+ { 2, 23, 12, 0, 0, }, /* 232 */
+ { 2, 15, 12, 0, 0, }, /* 233 */
+ { 2, 26, 12, 0, 0, }, /* 234 */
+ { 21, 12, 3, 0, 0, }, /* 235 */
+ { 21, 10, 5, 0, 0, }, /* 236 */
+ { 21, 7, 12, 0, 0, }, /* 237 */
+ { 21, 13, 12, 0, 0, }, /* 238 */
+ { 20, 12, 3, 0, 0, }, /* 239 */
+ { 20, 10, 5, 0, 0, }, /* 240 */
+ { 20, 7, 12, 0, 0, }, /* 241 */
+ { 20, 13, 12, 0, 0, }, /* 242 */
+ { 20, 21, 12, 0, 0, }, /* 243 */
+ { 20, 23, 12, 0, 0, }, /* 244 */
+ { 43, 12, 3, 0, 0, }, /* 245 */
+ { 43, 10, 5, 0, 0, }, /* 246 */
+ { 43, 7, 12, 0, 0, }, /* 247 */
+ { 43, 10, 3, 0, 0, }, /* 248 */
+ { 43, 13, 12, 0, 0, }, /* 249 */
+ { 43, 26, 12, 0, 0, }, /* 250 */
+ { 43, 15, 12, 0, 0, }, /* 251 */
+ { 53, 12, 3, 0, 0, }, /* 252 */
+ { 53, 7, 12, 0, 0, }, /* 253 */
+ { 53, 10, 3, 0, 0, }, /* 254 */
+ { 53, 10, 5, 0, 0, }, /* 255 */
+ { 53, 13, 12, 0, 0, }, /* 256 */
+ { 53, 15, 12, 0, 0, }, /* 257 */
+ { 53, 26, 12, 0, 0, }, /* 258 */
+ { 53, 23, 12, 0, 0, }, /* 259 */
+ { 54, 12, 3, 0, 0, }, /* 260 */
+ { 54, 10, 5, 0, 0, }, /* 261 */
+ { 54, 7, 12, 0, 0, }, /* 262 */
+ { 54, 13, 12, 0, 0, }, /* 263 */
+ { 54, 15, 12, 0, 0, }, /* 264 */
+ { 54, 26, 12, 0, 0, }, /* 265 */
+ { 28, 12, 3, 0, 0, }, /* 266 */
+ { 28, 10, 5, 0, 0, }, /* 267 */
+ { 28, 7, 12, 0, 0, }, /* 268 */
+ { 28, 10, 3, 0, 0, }, /* 269 */
+ { 28, 13, 12, 0, 0, }, /* 270 */
+ { 36, 12, 3, 0, 0, }, /* 271 */
+ { 36, 10, 5, 0, 0, }, /* 272 */
+ { 36, 7, 12, 0, 0, }, /* 273 */
+ { 36, 10, 3, 0, 0, }, /* 274 */
+ { 36, 13, 12, 0, 0, }, /* 275 */
+ { 36, 15, 12, 0, 0, }, /* 276 */
+ { 36, 26, 12, 0, 0, }, /* 277 */
+ { 47, 10, 5, 0, 0, }, /* 278 */
+ { 47, 7, 12, 0, 0, }, /* 279 */
+ { 47, 12, 3, 0, 0, }, /* 280 */
+ { 47, 10, 3, 0, 0, }, /* 281 */
+ { 47, 13, 12, 0, 0, }, /* 282 */
+ { 47, 21, 12, 0, 0, }, /* 283 */
+ { 56, 7, 12, 0, 0, }, /* 284 */
+ { 56, 12, 3, 0, 0, }, /* 285 */
+ { 56, 7, 5, 0, 0, }, /* 286 */
+ { 56, 6, 12, 0, 0, }, /* 287 */
+ { 56, 21, 12, 0, 0, }, /* 288 */
+ { 56, 13, 12, 0, 0, }, /* 289 */
+ { 32, 7, 12, 0, 0, }, /* 290 */
+ { 32, 12, 3, 0, 0, }, /* 291 */
+ { 32, 7, 5, 0, 0, }, /* 292 */
+ { 32, 6, 12, 0, 0, }, /* 293 */
+ { 32, 13, 12, 0, 0, }, /* 294 */
+ { 57, 7, 12, 0, 0, }, /* 295 */
+ { 57, 26, 12, 0, 0, }, /* 296 */
+ { 57, 21, 12, 0, 0, }, /* 297 */
+ { 57, 12, 3, 0, 0, }, /* 298 */
+ { 57, 13, 12, 0, 0, }, /* 299 */
+ { 57, 15, 12, 0, 0, }, /* 300 */
+ { 57, 22, 12, 0, 0, }, /* 301 */
+ { 57, 18, 12, 0, 0, }, /* 302 */
+ { 57, 10, 5, 0, 0, }, /* 303 */
+ { 38, 7, 12, 0, 0, }, /* 304 */
+ { 38, 10, 12, 0, 0, }, /* 305 */
+ { 38, 12, 3, 0, 0, }, /* 306 */
+ { 38, 10, 5, 0, 0, }, /* 307 */
+ { 38, 13, 12, 0, 0, }, /* 308 */
+ { 38, 21, 12, 0, 0, }, /* 309 */
+ { 38, 26, 12, 0, 0, }, /* 310 */
+ { 16, 9, 12, 0, 7264, }, /* 311 */
+ { 16, 7, 12, 0, 0, }, /* 312 */
+ { 16, 6, 12, 0, 0, }, /* 313 */
+ { 23, 7, 6, 0, 0, }, /* 314 */
+ { 23, 7, 7, 0, 0, }, /* 315 */
+ { 23, 7, 8, 0, 0, }, /* 316 */
+ { 15, 7, 12, 0, 0, }, /* 317 */
+ { 15, 12, 3, 0, 0, }, /* 318 */
+ { 15, 21, 12, 0, 0, }, /* 319 */
+ { 15, 15, 12, 0, 0, }, /* 320 */
+ { 15, 26, 12, 0, 0, }, /* 321 */
+ { 8, 7, 12, 0, 0, }, /* 322 */
+ { 7, 17, 12, 0, 0, }, /* 323 */
+ { 7, 7, 12, 0, 0, }, /* 324 */
+ { 7, 21, 12, 0, 0, }, /* 325 */
+ { 40, 29, 12, 0, 0, }, /* 326 */
+ { 40, 7, 12, 0, 0, }, /* 327 */
+ { 40, 22, 12, 0, 0, }, /* 328 */
+ { 40, 18, 12, 0, 0, }, /* 329 */
+ { 45, 7, 12, 0, 0, }, /* 330 */
+ { 45, 14, 12, 0, 0, }, /* 331 */
+ { 50, 7, 12, 0, 0, }, /* 332 */
+ { 50, 12, 3, 0, 0, }, /* 333 */
+ { 24, 7, 12, 0, 0, }, /* 334 */
+ { 24, 12, 3, 0, 0, }, /* 335 */
+ { 6, 7, 12, 0, 0, }, /* 336 */
+ { 6, 12, 3, 0, 0, }, /* 337 */
+ { 51, 7, 12, 0, 0, }, /* 338 */
+ { 51, 12, 3, 0, 0, }, /* 339 */
+ { 31, 7, 12, 0, 0, }, /* 340 */
+ { 31, 12, 3, 0, 0, }, /* 341 */
+ { 31, 10, 5, 0, 0, }, /* 342 */
+ { 31, 21, 12, 0, 0, }, /* 343 */
+ { 31, 6, 12, 0, 0, }, /* 344 */
+ { 31, 23, 12, 0, 0, }, /* 345 */
+ { 31, 13, 12, 0, 0, }, /* 346 */
+ { 31, 15, 12, 0, 0, }, /* 347 */
+ { 37, 21, 12, 0, 0, }, /* 348 */
+ { 37, 17, 12, 0, 0, }, /* 349 */
+ { 37, 12, 3, 0, 0, }, /* 350 */
+ { 37, 1, 2, 0, 0, }, /* 351 */
+ { 37, 13, 12, 0, 0, }, /* 352 */
+ { 37, 7, 12, 0, 0, }, /* 353 */
+ { 37, 6, 12, 0, 0, }, /* 354 */
+ { 34, 7, 12, 0, 0, }, /* 355 */
+ { 34, 12, 3, 0, 0, }, /* 356 */
+ { 34, 10, 5, 0, 0, }, /* 357 */
+ { 34, 26, 12, 0, 0, }, /* 358 */
+ { 34, 21, 12, 0, 0, }, /* 359 */
+ { 34, 13, 12, 0, 0, }, /* 360 */
+ { 52, 7, 12, 0, 0, }, /* 361 */
+ { 39, 7, 12, 0, 0, }, /* 362 */
+ { 39, 10, 12, 0, 0, }, /* 363 */
+ { 39, 10, 5, 0, 0, }, /* 364 */
+ { 39, 13, 12, 0, 0, }, /* 365 */
+ { 39, 15, 12, 0, 0, }, /* 366 */
+ { 39, 26, 12, 0, 0, }, /* 367 */
+ { 31, 26, 12, 0, 0, }, /* 368 */
+ { 5, 7, 12, 0, 0, }, /* 369 */
+ { 5, 12, 3, 0, 0, }, /* 370 */
+ { 5, 10, 5, 0, 0, }, /* 371 */
+ { 5, 21, 12, 0, 0, }, /* 372 */
+ { 90, 7, 12, 0, 0, }, /* 373 */
+ { 90, 10, 5, 0, 0, }, /* 374 */
+ { 90, 12, 3, 0, 0, }, /* 375 */
+ { 90, 10, 12, 0, 0, }, /* 376 */
+ { 90, 13, 12, 0, 0, }, /* 377 */
+ { 90, 21, 12, 0, 0, }, /* 378 */
+ { 90, 6, 12, 0, 0, }, /* 379 */
+ { 27, 11, 3, 0, 0, }, /* 380 */
+ { 61, 12, 3, 0, 0, }, /* 381 */
+ { 61, 10, 5, 0, 0, }, /* 382 */
+ { 61, 7, 12, 0, 0, }, /* 383 */
+ { 61, 13, 12, 0, 0, }, /* 384 */
+ { 61, 21, 12, 0, 0, }, /* 385 */
+ { 61, 26, 12, 0, 0, }, /* 386 */
+ { 75, 12, 3, 0, 0, }, /* 387 */
+ { 75, 10, 5, 0, 0, }, /* 388 */
+ { 75, 7, 12, 0, 0, }, /* 389 */
+ { 75, 13, 12, 0, 0, }, /* 390 */
+ { 92, 7, 12, 0, 0, }, /* 391 */
+ { 92, 12, 3, 0, 0, }, /* 392 */
+ { 92, 10, 5, 0, 0, }, /* 393 */
+ { 92, 21, 12, 0, 0, }, /* 394 */
+ { 69, 7, 12, 0, 0, }, /* 395 */
+ { 69, 10, 5, 0, 0, }, /* 396 */
+ { 69, 12, 3, 0, 0, }, /* 397 */
+ { 69, 21, 12, 0, 0, }, /* 398 */
+ { 69, 13, 12, 0, 0, }, /* 399 */
+ { 72, 13, 12, 0, 0, }, /* 400 */
+ { 72, 7, 12, 0, 0, }, /* 401 */
+ { 72, 6, 12, 0, 0, }, /* 402 */
+ { 72, 21, 12, 0, 0, }, /* 403 */
+ { 75, 21, 12, 0, 0, }, /* 404 */
+ { 9, 10, 5, 0, 0, }, /* 405 */
+ { 9, 7, 12, 0, 0, }, /* 406 */
+ { 12, 5, 12, 0, 0, }, /* 407 */
+ { 12, 6, 12, 0, 0, }, /* 408 */
+ { 33, 5, 12, 0, 35332, }, /* 409 */
+ { 33, 5, 12, 0, 3814, }, /* 410 */
+ { 33, 9, 12, 63, 1, }, /* 411 */
+ { 33, 5, 12, 63, -1, }, /* 412 */
+ { 33, 5, 12, 63, -58, }, /* 413 */
+ { 33, 9, 12, 0, -7615, }, /* 414 */
+ { 19, 5, 12, 0, 8, }, /* 415 */
+ { 19, 9, 12, 0, -8, }, /* 416 */
+ { 19, 5, 12, 0, 74, }, /* 417 */
+ { 19, 5, 12, 0, 86, }, /* 418 */
+ { 19, 5, 12, 0, 100, }, /* 419 */
+ { 19, 5, 12, 0, 128, }, /* 420 */
+ { 19, 5, 12, 0, 112, }, /* 421 */
+ { 19, 5, 12, 0, 126, }, /* 422 */
+ { 19, 8, 12, 0, -8, }, /* 423 */
+ { 19, 5, 12, 0, 9, }, /* 424 */
+ { 19, 9, 12, 0, -74, }, /* 425 */
+ { 19, 8, 12, 0, -9, }, /* 426 */
+ { 19, 5, 12, 21, -7173, }, /* 427 */
+ { 19, 9, 12, 0, -86, }, /* 428 */
+ { 19, 9, 12, 0, -100, }, /* 429 */
+ { 19, 9, 12, 0, -112, }, /* 430 */
+ { 19, 9, 12, 0, -128, }, /* 431 */
+ { 19, 9, 12, 0, -126, }, /* 432 */
+ { 27, 1, 3, 0, 0, }, /* 433 */
+ { 9, 27, 2, 0, 0, }, /* 434 */
+ { 9, 28, 2, 0, 0, }, /* 435 */
+ { 9, 2, 2, 0, 0, }, /* 436 */
+ { 9, 9, 12, 0, 0, }, /* 437 */
+ { 9, 5, 12, 0, 0, }, /* 438 */
+ { 19, 9, 12, 67, -7517, }, /* 439 */
+ { 33, 9, 12, 71, -8383, }, /* 440 */
+ { 33, 9, 12, 75, -8262, }, /* 441 */
+ { 33, 9, 12, 0, 28, }, /* 442 */
+ { 33, 5, 12, 0, -28, }, /* 443 */
+ { 33, 14, 12, 0, 16, }, /* 444 */
+ { 33, 14, 12, 0, -16, }, /* 445 */
+ { 33, 14, 12, 0, 0, }, /* 446 */
+ { 9, 26, 12, 0, 26, }, /* 447 */
+ { 9, 26, 12, 0, -26, }, /* 448 */
+ { 4, 26, 12, 0, 0, }, /* 449 */
+ { 17, 9, 12, 0, 48, }, /* 450 */
+ { 17, 5, 12, 0, -48, }, /* 451 */
+ { 33, 9, 12, 0, -10743, }, /* 452 */
+ { 33, 9, 12, 0, -3814, }, /* 453 */
+ { 33, 9, 12, 0, -10727, }, /* 454 */
+ { 33, 5, 12, 0, -10795, }, /* 455 */
+ { 33, 5, 12, 0, -10792, }, /* 456 */
+ { 33, 9, 12, 0, -10780, }, /* 457 */
+ { 33, 9, 12, 0, -10749, }, /* 458 */
+ { 33, 9, 12, 0, -10783, }, /* 459 */
+ { 33, 9, 12, 0, -10782, }, /* 460 */
+ { 33, 9, 12, 0, -10815, }, /* 461 */
+ { 10, 5, 12, 0, 0, }, /* 462 */
+ { 10, 26, 12, 0, 0, }, /* 463 */
+ { 10, 12, 3, 0, 0, }, /* 464 */
+ { 10, 21, 12, 0, 0, }, /* 465 */
+ { 10, 15, 12, 0, 0, }, /* 466 */
+ { 16, 5, 12, 0, -7264, }, /* 467 */
+ { 58, 7, 12, 0, 0, }, /* 468 */
+ { 58, 6, 12, 0, 0, }, /* 469 */
+ { 58, 21, 12, 0, 0, }, /* 470 */
+ { 58, 12, 3, 0, 0, }, /* 471 */
+ { 22, 26, 12, 0, 0, }, /* 472 */
+ { 22, 6, 12, 0, 0, }, /* 473 */
+ { 22, 14, 12, 0, 0, }, /* 474 */
+ { 23, 10, 3, 0, 0, }, /* 475 */
+ { 26, 7, 12, 0, 0, }, /* 476 */
+ { 26, 6, 12, 0, 0, }, /* 477 */
+ { 29, 7, 12, 0, 0, }, /* 478 */
+ { 29, 6, 12, 0, 0, }, /* 479 */
+ { 3, 7, 12, 0, 0, }, /* 480 */
+ { 23, 7, 12, 0, 0, }, /* 481 */
+ { 23, 26, 12, 0, 0, }, /* 482 */
+ { 29, 26, 12, 0, 0, }, /* 483 */
+ { 22, 7, 12, 0, 0, }, /* 484 */
+ { 60, 7, 12, 0, 0, }, /* 485 */
+ { 60, 6, 12, 0, 0, }, /* 486 */
+ { 60, 26, 12, 0, 0, }, /* 487 */
+ { 85, 7, 12, 0, 0, }, /* 488 */
+ { 85, 6, 12, 0, 0, }, /* 489 */
+ { 85, 21, 12, 0, 0, }, /* 490 */
+ { 76, 7, 12, 0, 0, }, /* 491 */
+ { 76, 6, 12, 0, 0, }, /* 492 */
+ { 76, 21, 12, 0, 0, }, /* 493 */
+ { 76, 13, 12, 0, 0, }, /* 494 */
+ { 12, 7, 12, 0, 0, }, /* 495 */
+ { 12, 21, 12, 0, 0, }, /* 496 */
+ { 78, 7, 12, 0, 0, }, /* 497 */
+ { 78, 14, 12, 0, 0, }, /* 498 */
+ { 78, 12, 3, 0, 0, }, /* 499 */
+ { 78, 21, 12, 0, 0, }, /* 500 */
+ { 33, 9, 12, 0, -35332, }, /* 501 */
+ { 33, 9, 12, 0, -42280, }, /* 502 */
+ { 33, 9, 12, 0, -42308, }, /* 503 */
+ { 33, 9, 12, 0, -42319, }, /* 504 */
+ { 33, 9, 12, 0, -42315, }, /* 505 */
+ { 33, 9, 12, 0, -42305, }, /* 506 */
+ { 33, 9, 12, 0, -42258, }, /* 507 */
+ { 33, 9, 12, 0, -42282, }, /* 508 */
+ { 48, 7, 12, 0, 0, }, /* 509 */
+ { 48, 12, 3, 0, 0, }, /* 510 */
+ { 48, 10, 5, 0, 0, }, /* 511 */
+ { 48, 26, 12, 0, 0, }, /* 512 */
+ { 64, 7, 12, 0, 0, }, /* 513 */
+ { 64, 21, 12, 0, 0, }, /* 514 */
+ { 74, 10, 5, 0, 0, }, /* 515 */
+ { 74, 7, 12, 0, 0, }, /* 516 */
+ { 74, 12, 3, 0, 0, }, /* 517 */
+ { 74, 21, 12, 0, 0, }, /* 518 */
+ { 74, 13, 12, 0, 0, }, /* 519 */
+ { 68, 13, 12, 0, 0, }, /* 520 */
+ { 68, 7, 12, 0, 0, }, /* 521 */
+ { 68, 12, 3, 0, 0, }, /* 522 */
+ { 68, 21, 12, 0, 0, }, /* 523 */
+ { 73, 7, 12, 0, 0, }, /* 524 */
+ { 73, 12, 3, 0, 0, }, /* 525 */
+ { 73, 10, 5, 0, 0, }, /* 526 */
+ { 73, 21, 12, 0, 0, }, /* 527 */
+ { 83, 12, 3, 0, 0, }, /* 528 */
+ { 83, 10, 5, 0, 0, }, /* 529 */
+ { 83, 7, 12, 0, 0, }, /* 530 */
+ { 83, 21, 12, 0, 0, }, /* 531 */
+ { 83, 13, 12, 0, 0, }, /* 532 */
+ { 38, 6, 12, 0, 0, }, /* 533 */
+ { 67, 7, 12, 0, 0, }, /* 534 */
+ { 67, 12, 3, 0, 0, }, /* 535 */
+ { 67, 10, 5, 0, 0, }, /* 536 */
+ { 67, 13, 12, 0, 0, }, /* 537 */
+ { 67, 21, 12, 0, 0, }, /* 538 */
+ { 91, 7, 12, 0, 0, }, /* 539 */
+ { 91, 12, 3, 0, 0, }, /* 540 */
+ { 91, 6, 12, 0, 0, }, /* 541 */
+ { 91, 21, 12, 0, 0, }, /* 542 */
+ { 86, 7, 12, 0, 0, }, /* 543 */
+ { 86, 10, 5, 0, 0, }, /* 544 */
+ { 86, 12, 3, 0, 0, }, /* 545 */
+ { 86, 21, 12, 0, 0, }, /* 546 */
+ { 86, 6, 12, 0, 0, }, /* 547 */
+ { 86, 13, 12, 0, 0, }, /* 548 */
+ { 23, 7, 9, 0, 0, }, /* 549 */
+ { 23, 7, 10, 0, 0, }, /* 550 */
+ { 9, 4, 2, 0, 0, }, /* 551 */
+ { 9, 3, 12, 0, 0, }, /* 552 */
+ { 25, 25, 12, 0, 0, }, /* 553 */
+ { 0, 24, 12, 0, 0, }, /* 554 */
+ { 9, 6, 3, 0, 0, }, /* 555 */
+ { 35, 7, 12, 0, 0, }, /* 556 */
+ { 19, 14, 12, 0, 0, }, /* 557 */
+ { 19, 15, 12, 0, 0, }, /* 558 */
+ { 19, 26, 12, 0, 0, }, /* 559 */
+ { 70, 7, 12, 0, 0, }, /* 560 */
+ { 66, 7, 12, 0, 0, }, /* 561 */
+ { 41, 7, 12, 0, 0, }, /* 562 */
+ { 41, 15, 12, 0, 0, }, /* 563 */
+ { 18, 7, 12, 0, 0, }, /* 564 */
+ { 18, 14, 12, 0, 0, }, /* 565 */
+ { 117, 7, 12, 0, 0, }, /* 566 */
+ { 117, 12, 3, 0, 0, }, /* 567 */
+ { 59, 7, 12, 0, 0, }, /* 568 */
+ { 59, 21, 12, 0, 0, }, /* 569 */
+ { 42, 7, 12, 0, 0, }, /* 570 */
+ { 42, 21, 12, 0, 0, }, /* 571 */
+ { 42, 14, 12, 0, 0, }, /* 572 */
+ { 13, 9, 12, 0, 40, }, /* 573 */
+ { 13, 5, 12, 0, -40, }, /* 574 */
+ { 46, 7, 12, 0, 0, }, /* 575 */
+ { 44, 7, 12, 0, 0, }, /* 576 */
+ { 44, 13, 12, 0, 0, }, /* 577 */
+ { 105, 7, 12, 0, 0, }, /* 578 */
+ { 103, 7, 12, 0, 0, }, /* 579 */
+ { 103, 21, 12, 0, 0, }, /* 580 */
+ { 109, 7, 12, 0, 0, }, /* 581 */
+ { 11, 7, 12, 0, 0, }, /* 582 */
+ { 80, 7, 12, 0, 0, }, /* 583 */
+ { 80, 21, 12, 0, 0, }, /* 584 */
+ { 80, 15, 12, 0, 0, }, /* 585 */
+ { 119, 7, 12, 0, 0, }, /* 586 */
+ { 119, 26, 12, 0, 0, }, /* 587 */
+ { 119, 15, 12, 0, 0, }, /* 588 */
+ { 115, 7, 12, 0, 0, }, /* 589 */
+ { 115, 15, 12, 0, 0, }, /* 590 */
+ { 65, 7, 12, 0, 0, }, /* 591 */
+ { 65, 15, 12, 0, 0, }, /* 592 */
+ { 65, 21, 12, 0, 0, }, /* 593 */
+ { 71, 7, 12, 0, 0, }, /* 594 */
+ { 71, 21, 12, 0, 0, }, /* 595 */
+ { 97, 7, 12, 0, 0, }, /* 596 */
+ { 96, 7, 12, 0, 0, }, /* 597 */
+ { 30, 7, 12, 0, 0, }, /* 598 */
+ { 30, 12, 3, 0, 0, }, /* 599 */
+ { 30, 15, 12, 0, 0, }, /* 600 */
+ { 30, 21, 12, 0, 0, }, /* 601 */
+ { 87, 7, 12, 0, 0, }, /* 602 */
+ { 87, 15, 12, 0, 0, }, /* 603 */
+ { 87, 21, 12, 0, 0, }, /* 604 */
+ { 116, 7, 12, 0, 0, }, /* 605 */
+ { 116, 15, 12, 0, 0, }, /* 606 */
+ { 111, 7, 12, 0, 0, }, /* 607 */
+ { 111, 26, 12, 0, 0, }, /* 608 */
+ { 111, 12, 3, 0, 0, }, /* 609 */
+ { 111, 15, 12, 0, 0, }, /* 610 */
+ { 111, 21, 12, 0, 0, }, /* 611 */
+ { 77, 7, 12, 0, 0, }, /* 612 */
+ { 77, 21, 12, 0, 0, }, /* 613 */
+ { 82, 7, 12, 0, 0, }, /* 614 */
+ { 82, 15, 12, 0, 0, }, /* 615 */
+ { 81, 7, 12, 0, 0, }, /* 616 */
+ { 81, 15, 12, 0, 0, }, /* 617 */
+ { 120, 7, 12, 0, 0, }, /* 618 */
+ { 120, 21, 12, 0, 0, }, /* 619 */
+ { 120, 15, 12, 0, 0, }, /* 620 */
+ { 88, 7, 12, 0, 0, }, /* 621 */
+ { 0, 15, 12, 0, 0, }, /* 622 */
+ { 93, 10, 5, 0, 0, }, /* 623 */
+ { 93, 12, 3, 0, 0, }, /* 624 */
+ { 93, 7, 12, 0, 0, }, /* 625 */
+ { 93, 21, 12, 0, 0, }, /* 626 */
+ { 93, 15, 12, 0, 0, }, /* 627 */
+ { 93, 13, 12, 0, 0, }, /* 628 */
+ { 84, 12, 3, 0, 0, }, /* 629 */
+ { 84, 10, 5, 0, 0, }, /* 630 */
+ { 84, 7, 12, 0, 0, }, /* 631 */
+ { 84, 21, 12, 0, 0, }, /* 632 */
+ { 84, 1, 2, 0, 0, }, /* 633 */
+ { 100, 7, 12, 0, 0, }, /* 634 */
+ { 100, 13, 12, 0, 0, }, /* 635 */
+ { 95, 12, 3, 0, 0, }, /* 636 */
+ { 95, 7, 12, 0, 0, }, /* 637 */
+ { 95, 10, 5, 0, 0, }, /* 638 */
+ { 95, 13, 12, 0, 0, }, /* 639 */
+ { 95, 21, 12, 0, 0, }, /* 640 */
+ { 110, 7, 12, 0, 0, }, /* 641 */
+ { 110, 12, 3, 0, 0, }, /* 642 */
+ { 110, 21, 12, 0, 0, }, /* 643 */
+ { 99, 12, 3, 0, 0, }, /* 644 */
+ { 99, 10, 5, 0, 0, }, /* 645 */
+ { 99, 7, 12, 0, 0, }, /* 646 */
+ { 99, 21, 12, 0, 0, }, /* 647 */
+ { 99, 13, 12, 0, 0, }, /* 648 */
+ { 47, 15, 12, 0, 0, }, /* 649 */
+ { 107, 7, 12, 0, 0, }, /* 650 */
+ { 107, 10, 5, 0, 0, }, /* 651 */
+ { 107, 12, 3, 0, 0, }, /* 652 */
+ { 107, 21, 12, 0, 0, }, /* 653 */
+ { 108, 7, 12, 0, 0, }, /* 654 */
+ { 108, 12, 3, 0, 0, }, /* 655 */
+ { 108, 10, 5, 0, 0, }, /* 656 */
+ { 108, 13, 12, 0, 0, }, /* 657 */
+ { 106, 12, 3, 0, 0, }, /* 658 */
+ { 106, 10, 5, 0, 0, }, /* 659 */
+ { 106, 7, 12, 0, 0, }, /* 660 */
+ { 106, 10, 3, 0, 0, }, /* 661 */
+ { 123, 7, 12, 0, 0, }, /* 662 */
+ { 123, 10, 3, 0, 0, }, /* 663 */
+ { 123, 10, 5, 0, 0, }, /* 664 */
+ { 123, 12, 3, 0, 0, }, /* 665 */
+ { 123, 21, 12, 0, 0, }, /* 666 */
+ { 123, 13, 12, 0, 0, }, /* 667 */
+ { 122, 7, 12, 0, 0, }, /* 668 */
+ { 122, 10, 3, 0, 0, }, /* 669 */
+ { 122, 10, 5, 0, 0, }, /* 670 */
+ { 122, 12, 3, 0, 0, }, /* 671 */
+ { 122, 21, 12, 0, 0, }, /* 672 */
+ { 113, 7, 12, 0, 0, }, /* 673 */
+ { 113, 10, 5, 0, 0, }, /* 674 */
+ { 113, 12, 3, 0, 0, }, /* 675 */
+ { 113, 21, 12, 0, 0, }, /* 676 */
+ { 113, 13, 12, 0, 0, }, /* 677 */
+ { 101, 7, 12, 0, 0, }, /* 678 */
+ { 101, 12, 3, 0, 0, }, /* 679 */
+ { 101, 10, 5, 0, 0, }, /* 680 */
+ { 101, 13, 12, 0, 0, }, /* 681 */
+ { 124, 9, 12, 0, 32, }, /* 682 */
+ { 124, 5, 12, 0, -32, }, /* 683 */
+ { 124, 13, 12, 0, 0, }, /* 684 */
+ { 124, 15, 12, 0, 0, }, /* 685 */
+ { 124, 7, 12, 0, 0, }, /* 686 */
+ { 121, 7, 12, 0, 0, }, /* 687 */
+ { 62, 7, 12, 0, 0, }, /* 688 */
+ { 62, 14, 12, 0, 0, }, /* 689 */
+ { 62, 21, 12, 0, 0, }, /* 690 */
+ { 79, 7, 12, 0, 0, }, /* 691 */
+ { 114, 7, 12, 0, 0, }, /* 692 */
+ { 114, 13, 12, 0, 0, }, /* 693 */
+ { 114, 21, 12, 0, 0, }, /* 694 */
+ { 102, 7, 12, 0, 0, }, /* 695 */
+ { 102, 12, 3, 0, 0, }, /* 696 */
+ { 102, 21, 12, 0, 0, }, /* 697 */
+ { 118, 7, 12, 0, 0, }, /* 698 */
+ { 118, 12, 3, 0, 0, }, /* 699 */
+ { 118, 21, 12, 0, 0, }, /* 700 */
+ { 118, 26, 12, 0, 0, }, /* 701 */
+ { 118, 6, 12, 0, 0, }, /* 702 */
+ { 118, 13, 12, 0, 0, }, /* 703 */
+ { 118, 15, 12, 0, 0, }, /* 704 */
+ { 98, 7, 12, 0, 0, }, /* 705 */
+ { 98, 10, 5, 0, 0, }, /* 706 */
+ { 98, 12, 3, 0, 0, }, /* 707 */
+ { 98, 6, 12, 0, 0, }, /* 708 */
+ { 104, 7, 12, 0, 0, }, /* 709 */
+ { 104, 26, 12, 0, 0, }, /* 710 */
+ { 104, 12, 3, 0, 0, }, /* 711 */
+ { 104, 21, 12, 0, 0, }, /* 712 */
+ { 9, 10, 3, 0, 0, }, /* 713 */
+ { 19, 12, 3, 0, 0, }, /* 714 */
+ { 112, 7, 12, 0, 0, }, /* 715 */
+ { 112, 15, 12, 0, 0, }, /* 716 */
+ { 112, 12, 3, 0, 0, }, /* 717 */
+ { 9, 26, 11, 0, 0, }, /* 718 */
+ { 26, 26, 12, 0, 0, }, /* 719 */
+};
+
+const pcre_uint8 PRIV(ucd_stage1)[] = { /* 8704 bytes */
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* U+0000 */
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, /* U+0800 */
+ 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 41, 41, 42, 43, 44, 45, /* U+1000 */
+ 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, /* U+1800 */
+ 62, 63, 64, 65, 66, 66, 67, 68, 69, 70, 71, 72, 73, 71, 74, 75, /* U+2000 */
+ 76, 76, 66, 77, 66, 66, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, /* U+2800 */
+ 88, 89, 90, 91, 92, 93, 94, 71, 95, 95, 95, 95, 95, 95, 95, 95, /* U+3000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+3800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+4000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 96, 95, 95, 95, 95, /* U+4800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+5000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+5800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+6000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+6800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+7000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+7800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+8000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+8800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+9000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 97, /* U+9800 */
+ 98, 99, 99, 99, 99, 99, 99, 99, 99,100,101,101,102,103,104,105, /* U+A000 */
+106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,114, /* U+A800 */
+115,116,117,118,119,120,114,115,116,117,118,119,120,114,115,116, /* U+B000 */
+117,118,119,120,114,115,116,117,118,119,120,114,115,116,117,118, /* U+B800 */
+119,120,114,115,116,117,118,119,120,114,115,116,117,118,119,120, /* U+C000 */
+114,115,116,117,118,119,120,114,115,116,117,118,119,120,114,115, /* U+C800 */
+116,117,118,119,120,114,115,116,117,118,119,120,114,115,116,121, /* U+D000 */
+122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122, /* U+D800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+E000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+E800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F000 */
+123,123, 95, 95,124,125,126,127,128,128,129,130,131,132,133,134, /* U+F800 */
+135,136,137,138,139,140,141,142,143,144,145,139,146,146,147,139, /* U+10000 */
+148,149,150,151,152,153,154,155,156,139,139,139,157,139,139,139, /* U+10800 */
+158,159,160,161,162,163,164,139,139,165,139,166,167,168,139,139, /* U+11000 */
+139,169,139,139,139,170,139,139,139,139,139,139,139,139,139,139, /* U+11800 */
+171,171,171,171,171,171,171,172,173,139,139,139,139,139,139,139, /* U+12000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+12800 */
+174,174,174,174,174,174,174,174,175,139,139,139,139,139,139,139, /* U+13000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+13800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+14000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+14800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+15000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+15800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+16000 */
+176,176,176,176,177,178,179,180,139,139,139,139,139,139,181,182, /* U+16800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+17000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+17800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+18000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+18800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+19000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+19800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1A800 */
+183,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1B000 */
+139,139,139,139,139,139,139,139,184,185,139,139,139,139,139,139, /* U+1B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1C800 */
+ 71,186,187,188,189,139,190,139,191,192,193,194,195,196,197,198, /* U+1D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1E000 */
+199,200,139,139,139,139,139,139,139,139,139,139,201,202,139,139, /* U+1E800 */
+203,204,205,206,207,139,208,209, 71,210,211,212,213,214,215,216, /* U+1F000 */
+217,218,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+1F800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+20000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+20800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+21000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+21800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+22000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+22800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+23000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+23800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+24000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+24800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+25000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+25800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+26000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+26800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+27000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+27800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+28000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+28800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+29000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+29800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95,219, 95, 95, /* U+2A000 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, /* U+2A800 */
+ 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95,220, 95, /* U+2B000 */
+221,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+2F000 */
+ 95, 95, 95, 95,221,139,139,139,139,139,139,139,139,139,139,139, /* U+2F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+30000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+30800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+31000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+31800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+32000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+32800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+33000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+33800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+34000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+34800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+35000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+35800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+36000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+36800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+37000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+37800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+38000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+38800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+39000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+39800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3A800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3B000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3F000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+3F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+40000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+40800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+41000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+41800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+42000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+42800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+43000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+43800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+44000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+44800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+45000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+45800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+46000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+46800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+47000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+47800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+48000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+48800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+49000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+49800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4A800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4B000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4F000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+4F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+50000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+50800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+51000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+51800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+52000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+52800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+53000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+53800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+54000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+54800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+55000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+55800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+56000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+56800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+57000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+57800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+58000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+58800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+59000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+59800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5A800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5B000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5F000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+5F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+60000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+60800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+61000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+61800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+62000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+62800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+63000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+63800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+64000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+64800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+65000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+65800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+66000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+66800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+67000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+67800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+68000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+68800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+69000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+69800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6A800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6B000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6F000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+6F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+70000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+70800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+71000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+71800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+72000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+72800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+73000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+73800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+74000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+74800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+75000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+75800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+76000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+76800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+77000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+77800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+78000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+78800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+79000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+79800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7A800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7B000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7F000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+7F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+80000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+80800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+81000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+81800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+82000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+82800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+83000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+83800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+84000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+84800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+85000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+85800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+86000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+86800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+87000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+87800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+88000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+88800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+89000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+89800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8A800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8B000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8F000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+8F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+90000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+90800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+91000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+91800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+92000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+92800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+93000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+93800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+94000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+94800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+95000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+95800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+96000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+96800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+97000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+97800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+98000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+98800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+99000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+99800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9A000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9A800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9B000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9B800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9C000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9C800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9D000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9D800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9E000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9E800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9F000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+9F800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A0000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A0800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A1000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A1800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A2000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A2800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A3000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A3800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A4000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A4800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A5000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A5800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A6000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A6800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A7000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A7800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A8000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A8800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A9000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+A9800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AA000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AA800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AB000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AB800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AC000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AC800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AD000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AD800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AE000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AE800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AF000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+AF800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B0000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B0800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B1000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B1800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B2000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B2800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B3000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B3800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B4000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B4800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B5000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B5800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B6000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B6800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B7000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B7800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B8000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B8800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B9000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+B9800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BA000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BA800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BB000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BB800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BC000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BC800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BD000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BD800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BE000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BE800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BF000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+BF800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C0000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C0800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C1000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C1800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C2000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C2800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C3000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C3800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C4000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C4800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C5000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C5800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C6000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C6800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C7000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C7800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C8000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C8800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C9000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+C9800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CA000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CA800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CB000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CB800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CC000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CC800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CD000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CD800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CE000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CE800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CF000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+CF800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D0000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D0800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D1000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D1800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D2000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D2800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D3000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D3800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D4000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D4800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D5000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D5800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D6000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D6800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D7000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D7800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D8000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D8800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D9000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+D9800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DA000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DA800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DB000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DB800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DC000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DC800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DD000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DD800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DE000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DE800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DF000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+DF800 */
+222,223,224,225,223,223,223,223,223,223,223,223,223,223,223,223, /* U+E0000 */
+223,223,223,223,223,223,223,223,223,223,223,223,223,223,223,223, /* U+E0800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E1000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E1800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E2000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E2800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E3000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E3800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E4000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E4800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E5000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E5800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E6000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E6800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E7000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E7800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E8000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E8800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E9000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+E9800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EA000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EA800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EB000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EB800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EC000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EC800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+ED000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+ED800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EE000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EE800 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EF000 */
+139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, /* U+EF800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F0000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F0800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F1000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F1800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F2000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F2800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F3000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F3800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F4000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F4800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F5000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F5800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F6000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F6800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F7000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F7800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F8000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F8800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F9000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+F9800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FA000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FA800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FB000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FB800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FC000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FC800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FD000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FD800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FE000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FE800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+FF000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,226, /* U+FF800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+100000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+100800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+101000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+101800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+102000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+102800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+103000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+103800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+104000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+104800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+105000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+105800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+106000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+106800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+107000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+107800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+108000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+108800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+109000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+109800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10A000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10A800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10B000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10B800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10C000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10C800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10D000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10D800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10E000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10E800 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123, /* U+10F000 */
+123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,226, /* U+10F800 */
+};
+
+const pcre_uint16 PRIV(ucd_stage2)[] = { /* 58112 bytes, block = 128 */
+/* block 0 */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 3, 4, 4, 4, 5, 4, 4, 4, 6, 7, 4, 8, 4, 9, 4, 4,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 8, 8, 8, 4,
+ 4, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 11, 11, 11, 11,
+ 11, 11, 11, 13, 11, 11, 11, 11, 11, 11, 11, 6, 4, 7, 14, 15,
+ 14, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 16, 16, 16, 16,
+ 16, 16, 16, 18, 16, 16, 16, 16, 16, 16, 16, 6, 8, 7, 8, 0,
+
+/* block 1 */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 3, 4, 5, 5, 5, 5, 19, 4, 14, 19, 20, 21, 8, 22, 19, 14,
+ 19, 8, 23, 23, 14, 24, 4, 4, 14, 23, 20, 25, 23, 23, 23, 4,
+ 11, 11, 11, 11, 11, 26, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 8, 11, 11, 11, 11, 11, 11, 11, 27,
+ 16, 16, 16, 16, 16, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+ 16, 16, 16, 16, 16, 16, 16, 8, 16, 16, 16, 16, 16, 16, 16, 29,
+
+/* block 2 */
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 32, 33, 30, 31, 30, 31, 30, 31, 33, 30, 31, 30, 31, 30, 31, 30,
+ 31, 30, 31, 30, 31, 30, 31, 30, 31, 33, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 34, 30, 31, 30, 31, 30, 31, 35,
+
+/* block 3 */
+ 36, 37, 30, 31, 30, 31, 38, 30, 31, 39, 39, 30, 31, 33, 40, 41,
+ 42, 30, 31, 39, 43, 44, 45, 46, 30, 31, 47, 33, 45, 48, 49, 50,
+ 30, 31, 30, 31, 30, 31, 51, 30, 31, 51, 33, 33, 30, 31, 51, 30,
+ 31, 52, 52, 30, 31, 30, 31, 53, 30, 31, 33, 20, 30, 31, 33, 54,
+ 20, 20, 20, 20, 55, 56, 57, 58, 59, 60, 61, 62, 63, 30, 31, 30,
+ 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 64, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 33, 65, 66, 67, 30, 31, 68, 69, 30, 31, 30, 31, 30, 31, 30, 31,
+
+/* block 4 */
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 70, 33, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 33, 33, 33, 33, 33, 33, 71, 30, 31, 72, 73, 74,
+ 74, 30, 31, 75, 76, 77, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 78, 79, 80, 81, 82, 33, 83, 83, 33, 84, 33, 85, 86, 33, 33, 33,
+ 83, 87, 33, 88, 33, 89, 90, 33, 91, 92, 33, 93, 94, 33, 33, 92,
+ 33, 95, 96, 33, 33, 97, 33, 33, 33, 33, 33, 33, 33, 98, 33, 33,
+
+/* block 5 */
+ 99, 33, 33, 99, 33, 33, 33,100, 99,101,102,102,103, 33, 33, 33,
+ 33, 33,104, 33, 20, 33, 33, 33, 33, 33, 33, 33, 33, 33,105, 33,
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
+106,106,106,106,106,106,106,106,106,107,107,107,107,107,107,107,
+107,107, 14, 14, 14, 14,107,107,107,107,107,107,107,107,107,107,
+107,107, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
+106,106,106,106,106, 14, 14, 14, 14, 14,108,108,107, 14,107, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
+
+/* block 6 */
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,110,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+111,112,111,112,107,113,111,112,114,114,115,116,116,116, 4,117,
+
+/* block 7 */
+114,114,114,114,113, 14,118, 4,119,119,119,114,120,114,121,121,
+122,123,124,123,123,125,123,123,126,127,128,123,129,123,123,123,
+130,131,114,132,123,123,133,123,123,134,123,123,135,136,136,136,
+122,137,138,137,137,139,137,137,140,141,142,137,143,137,137,137,
+144,145,146,147,137,137,148,137,137,149,137,137,150,151,151,152,
+153,154,155,155,155,156,157,158,111,112,111,112,111,112,111,112,
+111,112,159,160,159,160,159,160,159,160,159,160,159,160,159,160,
+161,162,163,164,165,166,167,111,112,168,111,112,122,169,169,169,
+
+/* block 8 */
+170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,
+171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,
+171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,
+172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,
+172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,
+173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+
+/* block 9 */
+174,175,176,177,177,109,109,177,178,178,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+179,174,175,174,175,174,175,174,175,174,175,174,175,174,175,180,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+
+/* block 10 */
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+114,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,
+181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,
+181,181,181,181,181,181,181,114,114,182,183,183,183,183,183,183,
+114,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,
+184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,
+
+/* block 11 */
+184,184,184,184,184,184,184,185,114, 4,186,114,114,187,187,188,
+114,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,
+189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,
+189,189,189,189,189,189,189,189,189,189,189,189,189,189,190,189,
+191,189,189,191,189,189,191,189,114,114,114,114,114,114,114,114,
+192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,
+192,192,192,192,192,192,192,192,192,192,192,114,114,114,114,114,
+192,192,192,191,191,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 12 */
+193,193,193,193,193, 22,194,194,194,195,195,196, 4,195,197,197,
+198,198,198,198,198,198,198,198,198,198,198, 4, 22,114,195, 4,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+107,199,199,199,199,199,199,199,199,199,199,109,109,109,109,109,
+109,109,109,109,109,109,198,198,198,198,198,198,198,198,198,198,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,195,195,195,195,199,199,
+109,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+
+/* block 13 */
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,195,199,198,198,198,198,198,198,198, 22,197,198,
+198,198,198,198,198,200,200,198,198,197,198,198,198,198,199,199,
+201,201,201,201,201,201,201,201,201,201,199,199,199,197,197,199,
+
+/* block 14 */
+202,202,202,202,202,202,202,202,202,202,202,202,202,202,114,203,
+204,205,204,204,204,204,204,204,204,204,204,204,204,204,204,204,
+204,204,204,204,204,204,204,204,204,204,204,204,204,204,204,204,
+205,205,205,205,205,205,205,205,205,205,205,205,205,205,205,205,
+205,205,205,205,205,205,205,205,205,205,205,114,114,204,204,204,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+
+/* block 15 */
+206,206,206,206,206,206,206,206,206,206,206,206,206,206,206,206,
+206,206,206,206,206,206,206,206,206,206,206,206,206,206,206,206,
+206,206,206,206,206,206,207,207,207,207,207,207,207,207,207,207,
+207,206,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+208,208,208,208,208,208,208,208,208,208,209,209,209,209,209,209,
+209,209,209,209,209,209,209,209,209,209,209,209,209,209,209,209,
+209,209,209,209,209,209,209,209,209,209,209,210,210,210,210,210,
+210,210,210,210,211,211,212,213,213,213,211,114,114,114,114,114,
+
+/* block 16 */
+214,214,214,214,214,214,214,214,214,214,214,214,214,214,214,214,
+214,214,214,214,214,214,215,215,215,215,216,215,215,215,215,215,
+215,215,215,215,216,215,215,215,216,215,215,215,215,215,114,114,
+217,217,217,217,217,217,217,217,217,217,217,217,217,217,217,114,
+218,218,218,218,218,218,218,218,218,218,218,218,218,218,218,218,
+218,218,218,218,218,218,218,218,218,219,219,219,114,114,220,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 17 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,198,198,198,198,198,198,198,198,198,198,198,198,
+198,198,198,198,198,198,198,198,198,198,198,198,198,198,198,198,
+
+/* block 18 */
+221,221,221,222,223,223,223,223,223,223,223,223,223,223,223,223,
+223,223,223,223,223,223,223,223,223,223,223,223,223,223,223,223,
+223,223,223,223,223,223,223,223,223,223,223,223,223,223,223,223,
+223,223,223,223,223,223,223,223,223,223,221,222,221,223,222,222,
+222,221,221,221,221,221,221,221,221,222,222,222,222,221,222,222,
+223,109,109,221,221,221,221,221,223,223,223,223,223,223,223,223,
+223,223,221,221, 4, 4,224,224,224,224,224,224,224,224,224,224,
+225,226,223,223,223,223,223,223,223,223,223,223,223,223,223,223,
+
+/* block 19 */
+227,228,229,229,114,227,227,227,227,227,227,227,227,114,114,227,
+227,114,114,227,227,227,227,227,227,227,227,227,227,227,227,227,
+227,227,227,227,227,227,227,227,227,114,227,227,227,227,227,227,
+227,114,227,114,114,114,227,227,227,227,114,114,228,227,230,229,
+229,228,228,228,228,114,114,229,229,114,114,229,229,228,227,114,
+114,114,114,114,114,114,114,230,114,114,114,114,227,227,114,227,
+227,227,228,228,114,114,231,231,231,231,231,231,231,231,231,231,
+227,227,232,232,233,233,233,233,233,233,234,232,114,114,114,114,
+
+/* block 20 */
+114,235,235,236,114,237,237,237,237,237,237,114,114,114,114,237,
+237,114,114,237,237,237,237,237,237,237,237,237,237,237,237,237,
+237,237,237,237,237,237,237,237,237,114,237,237,237,237,237,237,
+237,114,237,237,114,237,237,114,237,237,114,114,235,114,236,236,
+236,235,235,114,114,114,114,235,235,114,114,235,235,235,114,114,
+114,235,114,114,114,114,114,114,114,237,237,237,237,114,237,114,
+114,114,114,114,114,114,238,238,238,238,238,238,238,238,238,238,
+235,235,237,237,237,235,114,114,114,114,114,114,114,114,114,114,
+
+/* block 21 */
+114,239,239,240,114,241,241,241,241,241,241,241,241,241,114,241,
+241,241,114,241,241,241,241,241,241,241,241,241,241,241,241,241,
+241,241,241,241,241,241,241,241,241,114,241,241,241,241,241,241,
+241,114,241,241,114,241,241,241,241,241,114,114,239,241,240,240,
+240,239,239,239,239,239,114,239,239,240,114,240,240,239,114,114,
+241,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+241,241,239,239,114,114,242,242,242,242,242,242,242,242,242,242,
+243,244,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 22 */
+114,245,246,246,114,247,247,247,247,247,247,247,247,114,114,247,
+247,114,114,247,247,247,247,247,247,247,247,247,247,247,247,247,
+247,247,247,247,247,247,247,247,247,114,247,247,247,247,247,247,
+247,114,247,247,114,247,247,247,247,247,114,114,245,247,248,245,
+246,245,245,245,245,114,114,246,246,114,114,246,246,245,114,114,
+114,114,114,114,114,114,245,248,114,114,114,114,247,247,114,247,
+247,247,245,245,114,114,249,249,249,249,249,249,249,249,249,249,
+250,247,251,251,251,251,251,251,114,114,114,114,114,114,114,114,
+
+/* block 23 */
+114,114,252,253,114,253,253,253,253,253,253,114,114,114,253,253,
+253,114,253,253,253,253,114,114,114,253,253,114,253,114,253,253,
+114,114,114,253,253,114,114,114,253,253,253,114,114,114,253,253,
+253,253,253,253,253,253,253,253,253,253,114,114,114,114,254,255,
+252,255,255,114,114,114,255,255,255,114,255,255,255,252,114,114,
+253,114,114,114,114,114,114,254,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,256,256,256,256,256,256,256,256,256,256,
+257,257,257,258,258,258,258,258,258,259,258,114,114,114,114,114,
+
+/* block 24 */
+260,261,261,261,114,262,262,262,262,262,262,262,262,114,262,262,
+262,114,262,262,262,262,262,262,262,262,262,262,262,262,262,262,
+262,262,262,262,262,262,262,262,262,114,262,262,262,262,262,262,
+262,262,262,262,262,262,262,262,262,262,114,114,114,262,260,260,
+260,261,261,261,261,114,260,260,260,114,260,260,260,260,114,114,
+114,114,114,114,114,260,260,114,262,262,114,114,114,114,114,114,
+262,262,260,260,114,114,263,263,263,263,263,263,263,263,263,263,
+114,114,114,114,114,114,114,114,264,264,264,264,264,264,264,265,
+
+/* block 25 */
+114,266,267,267,114,268,268,268,268,268,268,268,268,114,268,268,
+268,114,268,268,268,268,268,268,268,268,268,268,268,268,268,268,
+268,268,268,268,268,268,268,268,268,114,268,268,268,268,268,268,
+268,268,268,268,114,268,268,268,268,268,114,114,266,268,267,266,
+267,267,269,267,267,114,266,267,267,114,267,267,266,266,114,114,
+114,114,114,114,114,269,269,114,114,114,114,114,114,114,268,114,
+268,268,266,266,114,114,270,270,270,270,270,270,270,270,270,270,
+114,268,268,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 26 */
+114,271,272,272,114,273,273,273,273,273,273,273,273,114,273,273,
+273,114,273,273,273,273,273,273,273,273,273,273,273,273,273,273,
+273,273,273,273,273,273,273,273,273,273,273,273,273,273,273,273,
+273,273,273,273,273,273,273,273,273,273,273,114,114,273,274,272,
+272,271,271,271,271,114,272,272,272,114,272,272,272,271,273,114,
+114,114,114,114,114,114,114,274,114,114,114,114,114,114,114,114,
+273,273,271,271,114,114,275,275,275,275,275,275,275,275,275,275,
+276,276,276,276,276,276,114,114,114,277,273,273,273,273,273,273,
+
+/* block 27 */
+114,114,278,278,114,279,279,279,279,279,279,279,279,279,279,279,
+279,279,279,279,279,279,279,114,114,114,279,279,279,279,279,279,
+279,279,279,279,279,279,279,279,279,279,279,279,279,279,279,279,
+279,279,114,279,279,279,279,279,279,279,279,279,114,279,114,114,
+279,279,279,279,279,279,279,114,114,114,280,114,114,114,114,281,
+278,278,280,280,280,114,280,114,278,278,278,278,278,278,278,281,
+114,114,114,114,114,114,282,282,282,282,282,282,282,282,282,282,
+114,114,278,278,283,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 28 */
+114,284,284,284,284,284,284,284,284,284,284,284,284,284,284,284,
+284,284,284,284,284,284,284,284,284,284,284,284,284,284,284,284,
+284,284,284,284,284,284,284,284,284,284,284,284,284,284,284,284,
+284,285,284,286,285,285,285,285,285,285,285,114,114,114,114, 5,
+284,284,284,284,284,284,287,285,285,285,285,285,285,285,285,288,
+289,289,289,289,289,289,289,289,289,289,288,288,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 29 */
+114,290,290,114,290,114,114,290,290,114,290,114,114,290,114,114,
+114,114,114,114,290,290,290,290,114,290,290,290,290,290,290,290,
+114,290,290,290,114,290,114,290,114,114,290,290,114,290,290,290,
+290,291,290,292,291,291,291,291,291,291,114,291,291,290,114,114,
+290,290,290,290,290,114,293,114,291,291,291,291,291,291,114,114,
+294,294,294,294,294,294,294,294,294,294,114,114,290,290,290,290,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 30 */
+295,296,296,296,297,297,297,297,297,297,297,297,297,297,297,297,
+297,297,297,296,297,296,296,296,298,298,296,296,296,296,296,296,
+299,299,299,299,299,299,299,299,299,299,300,300,300,300,300,300,
+300,300,300,300,296,298,296,298,296,298,301,302,301,302,303,303,
+295,295,295,295,295,295,295,295,114,295,295,295,295,295,295,295,
+295,295,295,295,295,295,295,295,295,295,295,295,295,295,295,295,
+295,295,295,295,295,295,295,295,295,295,295,295,295,114,114,114,
+114,298,298,298,298,298,298,298,298,298,298,298,298,298,298,303,
+
+/* block 31 */
+298,298,298,298,298,297,298,298,295,295,295,295,295,298,298,298,
+298,298,298,298,298,298,298,298,114,298,298,298,298,298,298,298,
+298,298,298,298,298,298,298,298,298,298,298,298,298,298,298,298,
+298,298,298,298,298,298,298,298,298,298,298,298,298,114,296,296,
+296,296,296,296,296,296,298,296,296,296,296,296,296,114,296,296,
+297,297,297,297,297, 19, 19, 19, 19,297,297,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 32 */
+304,304,304,304,304,304,304,304,304,304,304,304,304,304,304,304,
+304,304,304,304,304,304,304,304,304,304,304,304,304,304,304,304,
+304,304,304,304,304,304,304,304,304,304,304,305,305,306,306,306,
+306,307,306,306,306,306,306,306,305,306,306,307,307,306,306,304,
+308,308,308,308,308,308,308,308,308,308,309,309,309,309,309,309,
+304,304,304,304,304,304,307,307,306,306,304,304,304,304,306,306,
+306,304,305,305,305,304,304,305,305,305,305,305,305,305,304,304,
+304,306,306,306,306,304,304,304,304,304,304,304,304,304,304,304,
+
+/* block 33 */
+304,304,306,305,307,306,306,305,305,305,305,305,305,306,304,305,
+308,308,308,308,308,308,308,308,308,308,305,305,305,306,310,310,
+311,311,311,311,311,311,311,311,311,311,311,311,311,311,311,311,
+311,311,311,311,311,311,311,311,311,311,311,311,311,311,311,311,
+311,311,311,311,311,311,114,311,114,114,114,114,114,311,114,114,
+312,312,312,312,312,312,312,312,312,312,312,312,312,312,312,312,
+312,312,312,312,312,312,312,312,312,312,312,312,312,312,312,312,
+312,312,312,312,312,312,312,312,312,312,312, 4,313,312,312,312,
+
+/* block 34 */
+314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,
+314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,
+314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,
+314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,
+314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,
+314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,
+315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,
+315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,
+
+/* block 35 */
+315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,
+315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,
+315,315,315,315,315,315,315,315,316,316,316,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,
+
+/* block 36 */
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,114,317,317,317,317,114,114,
+317,317,317,317,317,317,317,114,317,114,317,317,317,317,114,114,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+
+/* block 37 */
+317,317,317,317,317,317,317,317,317,114,317,317,317,317,114,114,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,114,317,317,317,317,114,114,317,317,317,317,317,317,317,114,
+317,114,317,317,317,317,114,114,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,114,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+
+/* block 38 */
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,114,317,317,317,317,114,114,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,317,317,317,317,114,114,318,318,318,
+319,319,319,319,319,319,319,319,319,320,320,320,320,320,320,320,
+320,320,320,320,320,320,320,320,320,320,320,320,320,114,114,114,
+
+/* block 39 */
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+321,321,321,321,321,321,321,321,321,321,114,114,114,114,114,114,
+322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,
+322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,
+322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,
+322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,
+322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,322,
+322,322,322,322,322,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 40 */
+323,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+
+/* block 41 */
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+
+/* block 42 */
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,325,325,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+
+/* block 43 */
+326,327,327,327,327,327,327,327,327,327,327,327,327,327,327,327,
+327,327,327,327,327,327,327,327,327,327,327,328,329,114,114,114,
+330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,
+330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,
+330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,
+330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,330,
+330,330,330,330,330,330,330,330,330,330,330, 4, 4, 4,331,331,
+331,330,330,330,330,330,330,330,330,114,114,114,114,114,114,114,
+
+/* block 44 */
+332,332,332,332,332,332,332,332,332,332,332,332,332,114,332,332,
+332,332,333,333,333,114,114,114,114,114,114,114,114,114,114,114,
+334,334,334,334,334,334,334,334,334,334,334,334,334,334,334,334,
+334,334,335,335,335, 4, 4,114,114,114,114,114,114,114,114,114,
+336,336,336,336,336,336,336,336,336,336,336,336,336,336,336,336,
+336,336,337,337,114,114,114,114,114,114,114,114,114,114,114,114,
+338,338,338,338,338,338,338,338,338,338,338,338,338,114,338,338,
+338,114,339,339,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 45 */
+340,340,340,340,340,340,340,340,340,340,340,340,340,340,340,340,
+340,340,340,340,340,340,340,340,340,340,340,340,340,340,340,340,
+340,340,340,340,340,340,340,340,340,340,340,340,340,340,340,340,
+340,340,340,340,341,341,342,341,341,341,341,341,341,341,342,342,
+342,342,342,342,342,342,341,342,342,341,341,341,341,341,341,341,
+341,341,341,341,343,343,343,344,343,343,343,345,340,341,114,114,
+346,346,346,346,346,346,346,346,346,346,114,114,114,114,114,114,
+347,347,347,347,347,347,347,347,347,347,114,114,114,114,114,114,
+
+/* block 46 */
+348,348, 4, 4,348, 4,349,348,348,348,348,350,350,350,351,114,
+352,352,352,352,352,352,352,352,352,352,114,114,114,114,114,114,
+353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,
+353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,
+353,353,353,354,353,353,353,353,353,353,353,353,353,353,353,353,
+353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,
+353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,
+353,353,353,353,353,353,353,353,114,114,114,114,114,114,114,114,
+
+/* block 47 */
+353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,
+353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,353,
+353,353,353,353,353,353,353,353,353,350,353,114,114,114,114,114,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,
+324,324,324,324,324,324,114,114,114,114,114,114,114,114,114,114,
+
+/* block 48 */
+355,355,355,355,355,355,355,355,355,355,355,355,355,355,355,355,
+355,355,355,355,355,355,355,355,355,355,355,355,355,355,355,114,
+356,356,356,357,357,357,357,356,356,357,357,357,114,114,114,114,
+357,357,356,357,357,357,357,357,357,356,356,356,114,114,114,114,
+358,114,114,114,359,359,360,360,360,360,360,360,360,360,360,360,
+361,361,361,361,361,361,361,361,361,361,361,361,361,361,361,361,
+361,361,361,361,361,361,361,361,361,361,361,361,361,361,114,114,
+361,361,361,361,361,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 49 */
+362,362,362,362,362,362,362,362,362,362,362,362,362,362,362,362,
+362,362,362,362,362,362,362,362,362,362,362,362,362,362,362,362,
+362,362,362,362,362,362,362,362,362,362,362,362,114,114,114,114,
+363,363,363,363,363,364,364,364,363,363,364,363,363,363,363,363,
+363,362,362,362,362,362,362,362,363,363,114,114,114,114,114,114,
+365,365,365,365,365,365,365,365,365,365,366,114,114,114,367,367,
+368,368,368,368,368,368,368,368,368,368,368,368,368,368,368,368,
+368,368,368,368,368,368,368,368,368,368,368,368,368,368,368,368,
+
+/* block 50 */
+369,369,369,369,369,369,369,369,369,369,369,369,369,369,369,369,
+369,369,369,369,369,369,369,370,370,371,371,370,114,114,372,372,
+373,373,373,373,373,373,373,373,373,373,373,373,373,373,373,373,
+373,373,373,373,373,373,373,373,373,373,373,373,373,373,373,373,
+373,373,373,373,373,373,373,373,373,373,373,373,373,373,373,373,
+373,373,373,373,373,374,375,374,375,375,375,375,375,375,375,114,
+375,376,375,376,376,375,375,375,375,375,375,375,375,374,374,374,
+374,374,374,375,375,375,375,375,375,375,375,375,375,114,114,375,
+
+/* block 51 */
+377,377,377,377,377,377,377,377,377,377,114,114,114,114,114,114,
+377,377,377,377,377,377,377,377,377,377,114,114,114,114,114,114,
+378,378,378,378,378,378,378,379,378,378,378,378,378,378,114,114,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,380,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 52 */
+381,381,381,381,382,383,383,383,383,383,383,383,383,383,383,383,
+383,383,383,383,383,383,383,383,383,383,383,383,383,383,383,383,
+383,383,383,383,383,383,383,383,383,383,383,383,383,383,383,383,
+383,383,383,383,381,382,381,381,381,381,381,382,381,382,382,382,
+382,382,381,382,382,383,383,383,383,383,383,383,114,114,114,114,
+384,384,384,384,384,384,384,384,384,384,385,385,385,385,385,385,
+385,386,386,386,386,386,386,386,386,386,386,381,381,381,381,381,
+381,381,381,381,386,386,386,386,386,386,386,386,386,114,114,114,
+
+/* block 53 */
+387,387,388,389,389,389,389,389,389,389,389,389,389,389,389,389,
+389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,
+389,388,387,387,387,387,388,388,387,387,388,387,387,387,389,389,
+390,390,390,390,390,390,390,390,390,390,389,389,389,389,389,389,
+391,391,391,391,391,391,391,391,391,391,391,391,391,391,391,391,
+391,391,391,391,391,391,391,391,391,391,391,391,391,391,391,391,
+391,391,391,391,391,391,392,393,392,392,393,393,393,392,393,392,
+392,392,393,393,114,114,114,114,114,114,114,114,394,394,394,394,
+
+/* block 54 */
+395,395,395,395,395,395,395,395,395,395,395,395,395,395,395,395,
+395,395,395,395,395,395,395,395,395,395,395,395,395,395,395,395,
+395,395,395,395,396,396,396,396,396,396,396,396,397,397,397,397,
+397,397,397,397,396,396,397,397,114,114,114,398,398,398,398,398,
+399,399,399,399,399,399,399,399,399,399,114,114,114,395,395,395,
+400,400,400,400,400,400,400,400,400,400,401,401,401,401,401,401,
+401,401,401,401,401,401,401,401,401,401,401,401,401,401,401,401,
+401,401,401,401,401,401,401,401,402,402,402,402,402,402,403,403,
+
+/* block 55 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+404,404,404,404,404,404,404,404,114,114,114,114,114,114,114,114,
+109,109,109, 4,109,109,109,109,109,109,109,109,109,109,109,109,
+109,405,109,109,109,109,109,109,109,406,406,406,406,109,406,406,
+406,406,405,405,109,406,406,114,109,109,114,114,114,114,114,114,
+
+/* block 56 */
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
+ 33, 33, 33, 33, 33, 33,122,122,122,122,122,407,106,106,106,106,
+106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,
+106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,
+106,106,106,106,106,106,106,106,106,106,106,106,106,115,115,115,
+115,115,106,106,106,106,115,115,115,115,115, 33, 33, 33, 33, 33,
+ 33, 33, 33, 33, 33, 33, 33, 33,408,409, 33, 33, 33,410, 33, 33,
+
+/* block 57 */
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,106,106,106,106,106,
+106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,
+106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,115,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,114,114,114,114,114,114,109,109,109,109,
+
+/* block 58 */
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+411,412, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+
+/* block 59 */
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 33, 33, 33, 33, 33,413, 33, 33,414, 33,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+
+/* block 60 */
+415,415,415,415,415,415,415,415,416,416,416,416,416,416,416,416,
+415,415,415,415,415,415,114,114,416,416,416,416,416,416,114,114,
+415,415,415,415,415,415,415,415,416,416,416,416,416,416,416,416,
+415,415,415,415,415,415,415,415,416,416,416,416,416,416,416,416,
+415,415,415,415,415,415,114,114,416,416,416,416,416,416,114,114,
+122,415,122,415,122,415,122,415,114,416,114,416,114,416,114,416,
+415,415,415,415,415,415,415,415,416,416,416,416,416,416,416,416,
+417,417,418,418,418,418,419,419,420,420,421,421,422,422,114,114,
+
+/* block 61 */
+415,415,415,415,415,415,415,415,423,423,423,423,423,423,423,423,
+415,415,415,415,415,415,415,415,423,423,423,423,423,423,423,423,
+415,415,415,415,415,415,415,415,423,423,423,423,423,423,423,423,
+415,415,122,424,122,114,122,122,416,416,425,425,426,113,427,113,
+113,113,122,424,122,114,122,122,428,428,428,428,426,113,113,113,
+415,415,122,122,114,114,122,122,416,416,429,429,114,113,113,113,
+415,415,122,122,122,163,122,122,416,416,430,430,168,113,113,113,
+114,114,122,424,122,114,122,122,431,431,432,432,426,113,113,114,
+
+/* block 62 */
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 22,433,433, 22, 22,
+ 9, 9, 9, 9, 9, 9, 4, 4, 21, 25, 6, 21, 21, 25, 6, 21,
+ 4, 4, 4, 4, 4, 4, 4, 4,434,435, 22, 22, 22, 22, 22, 3,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 21, 25, 4, 4, 4, 4, 15,
+ 15, 4, 4, 4, 8, 6, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 8, 4, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3,
+ 22, 22, 22, 22, 22,436, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 23,106,114,114, 23, 23, 23, 23, 23, 23, 8, 8, 8, 6, 7,106,
+
+/* block 63 */
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 8, 8, 8, 6, 7,114,
+106,106,106,106,106,106,106,106,106,106,106,106,106,114,114,114,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+109,109,109,109,109,109,109,109,109,109,109,109,109,380,380,380,
+380,109,380,380,380,109,109,109,109,109,109,109,109,109,109,109,
+109,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 64 */
+ 19, 19,437, 19, 19, 19, 19,437, 19, 19,438,437,437,437,438,438,
+437,437,437,438, 19,437, 19, 19, 8,437,437,437,437,437, 19, 19,
+ 19, 19, 19, 19,437, 19,439, 19,437, 19,440,441,437,437, 19,438,
+437,437,442,437,438,406,406,406,406,438, 19, 19,438,438,437,437,
+ 8, 8, 8, 8, 8,437,438,438,438,438, 19, 8, 19, 19,443, 19,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+444,444,444,444,444,444,444,444,444,444,444,444,444,444,444,444,
+445,445,445,445,445,445,445,445,445,445,445,445,445,445,445,445,
+
+/* block 65 */
+446,446,446, 30, 31,446,446,446,446, 23,114,114,114,114,114,114,
+ 8, 8, 8, 8, 8, 19, 19, 19, 19, 19, 8, 8, 19, 19, 19, 19,
+ 8, 19, 19, 8, 19, 19, 8, 19, 19, 19, 19, 19, 19, 19, 8, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 8, 8,
+ 19, 19, 8, 19, 8, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+
+/* block 66 */
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+
+/* block 67 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 6, 7, 6, 7, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 8, 8, 19, 19, 19, 19, 19, 19, 19, 6, 7, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 8, 19, 19, 19,
+
+/* block 68 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 8, 8, 8, 8,
+ 8, 8, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,
+
+/* block 69 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+
+/* block 70 */
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19,447,447,447,447,447,447,447,447,447,447,
+447,447,447,447,447,447,447,447,447,447,447,447,447,447,447,447,
+448,448,448,448,448,448,448,448,448,448,448,448,448,448,448,448,
+448,448,448,448,448,448,448,448,448,448, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+
+/* block 71 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 72 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 8, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 8, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 8, 8, 8, 8, 8, 8, 8, 8,
+
+/* block 73 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 8,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 74 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 6, 7, 6, 7, 6, 7, 6, 7,
+ 6, 7, 6, 7, 6, 7, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+
+/* block 75 */
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 8, 8, 8, 8, 8, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+
+/* block 76 */
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449,
+
+/* block 77 */
+ 8, 8, 8, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6,
+ 7, 6, 7, 6, 7, 6, 7, 6, 7, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 6, 7, 6, 7, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 7, 8, 8,
+
+/* block 78 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 19, 19, 8, 8, 8, 8, 8, 8, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19,114,114, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 79 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19,114,114, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19,114, 19, 19, 19, 19, 19, 19,
+ 19, 19,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 80 */
+450,450,450,450,450,450,450,450,450,450,450,450,450,450,450,450,
+450,450,450,450,450,450,450,450,450,450,450,450,450,450,450,450,
+450,450,450,450,450,450,450,450,450,450,450,450,450,450,450,114,
+451,451,451,451,451,451,451,451,451,451,451,451,451,451,451,451,
+451,451,451,451,451,451,451,451,451,451,451,451,451,451,451,451,
+451,451,451,451,451,451,451,451,451,451,451,451,451,451,451,114,
+ 30, 31,452,453,454,455,456, 30, 31, 30, 31, 30, 31,457,458,459,
+460, 33, 30, 31, 33, 30, 31, 33, 33, 33, 33, 33,106,106,461,461,
+
+/* block 81 */
+159,160,159,160,159,160,159,160,159,160,159,160,159,160,159,160,
+159,160,159,160,159,160,159,160,159,160,159,160,159,160,159,160,
+159,160,159,160,159,160,159,160,159,160,159,160,159,160,159,160,
+159,160,159,160,159,160,159,160,159,160,159,160,159,160,159,160,
+159,160,159,160,159,160,159,160,159,160,159,160,159,160,159,160,
+159,160,159,160,159,160,159,160,159,160,159,160,159,160,159,160,
+159,160,159,160,462,463,463,463,463,463,463,159,160,159,160,464,
+464,464,159,160,114,114,114,114,114,465,465,465,465,466,465,465,
+
+/* block 82 */
+467,467,467,467,467,467,467,467,467,467,467,467,467,467,467,467,
+467,467,467,467,467,467,467,467,467,467,467,467,467,467,467,467,
+467,467,467,467,467,467,114,467,114,114,114,114,114,467,114,114,
+468,468,468,468,468,468,468,468,468,468,468,468,468,468,468,468,
+468,468,468,468,468,468,468,468,468,468,468,468,468,468,468,468,
+468,468,468,468,468,468,468,468,468,468,468,468,468,468,468,468,
+468,468,468,468,468,468,468,468,114,114,114,114,114,114,114,469,
+470,114,114,114,114,114,114,114,114,114,114,114,114,114,114,471,
+
+/* block 83 */
+317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,317,
+317,317,317,317,317,317,317,114,114,114,114,114,114,114,114,114,
+317,317,317,317,317,317,317,114,317,317,317,317,317,317,317,114,
+317,317,317,317,317,317,317,114,317,317,317,317,317,317,317,114,
+317,317,317,317,317,317,317,114,317,317,317,317,317,317,317,114,
+317,317,317,317,317,317,317,114,317,317,317,317,317,317,317,114,
+177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,
+177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,
+
+/* block 84 */
+ 4, 4, 21, 25, 21, 25, 4, 4, 4, 21, 25, 4, 21, 25, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 9, 4, 4, 9, 4, 21, 25, 4, 4,
+ 21, 25, 6, 7, 6, 7, 6, 7, 6, 7, 4, 4, 4, 4, 4,107,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 9, 9, 4, 4, 4, 4,
+ 9, 4, 6,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 85 */
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,114,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 86 */
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+
+/* block 87 */
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,
+472,472,472,472,472,472,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,
+
+/* block 88 */
+ 3, 4, 4, 4, 19,473,406,474, 6, 7, 6, 7, 6, 7, 6, 7,
+ 6, 7, 19, 19, 6, 7, 6, 7, 6, 7, 6, 7, 9, 6, 7, 7,
+ 19,474,474,474,474,474,474,474,474,474,109,109,109,109,475,475,
+ 9,107,107,107,107,107, 19, 19,474,474,474,473,406, 4, 19, 19,
+114,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,
+476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,
+476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,
+476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,
+
+/* block 89 */
+476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,
+476,476,476,476,476,476,476,114,114,109,109, 14, 14,477,477,476,
+ 9,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+478,478,478,478,478,478,478,478,478,478,478, 4,107,479,479,478,
+
+/* block 90 */
+114,114,114,114,114,480,480,480,480,480,480,480,480,480,480,480,
+480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,
+480,480,480,480,480,480,480,480,480,480,480,480,480,480,114,114,
+114,481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,
+481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,
+481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,
+481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,
+481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,
+
+/* block 91 */
+481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,114,
+ 19, 19, 23, 23, 23, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,
+480,480,480,480,480,480,480,480,480,480,480,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,114,114,114,
+478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+
+/* block 92 */
+482,482,482,482,482,482,482,482,482,482,482,482,482,482,482,482,
+482,482,482,482,482,482,482,482,482,482,482,482,482,482,482,114,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 23, 23, 23, 23, 23, 23, 23, 23,
+ 19, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+482,482,482,482,482,482,482,482,482,482,482,482,482,482,482,482,
+482,482,482,482,482,482,482,482,482,482,482,482,482,482,482, 19,
+
+/* block 93 */
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,114,
+
+/* block 94 */
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,
+483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,483,
+483,483,483,483,483,483,483,483, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 95 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+
+/* block 96 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,114,114,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 97 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 98 */
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,486,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+
+/* block 99 */
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,
+
+/* block 100 */
+485,485,485,485,485,485,485,485,485,485,485,485,485,114,114,114,
+487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,
+487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,
+487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,
+487,487,487,487,487,487,487,114,114,114,114,114,114,114,114,114,
+488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,
+488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,
+488,488,488,488,488,488,488,488,489,489,489,489,489,489,490,490,
+
+/* block 101 */
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+
+/* block 102 */
+491,491,491,491,491,491,491,491,491,491,491,491,492,493,493,493,
+491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,
+494,494,494,494,494,494,494,494,494,494,491,491,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,495,177,
+178,178,178,496,177,177,177,177,177,177,177,177,177,177,496,408,
+
+/* block 103 */
+174,175,174,175,174,175,174,175,174,175,174,175,174,175,174,175,
+174,175,174,175,174,175,174,175,174,175,174,175,408,408,114,177,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,498,498,498,498,498,498,498,498,498,498,
+499,499,500,500,500,500,500,500,114,114,114,114,114,114,114,114,
+
+/* block 104 */
+ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14,107,107,107,107,107,107,107,107,107,
+ 14, 14, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 33, 33, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+106, 33, 33, 33, 33, 33, 33, 33, 33, 30, 31, 30, 31,501, 30, 31,
+
+/* block 105 */
+ 30, 31, 30, 31, 30, 31, 30, 31,107, 14, 14, 30, 31,502, 33,114,
+ 30, 31, 30, 31, 33, 33, 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
+ 30, 31, 30, 31, 30, 31, 30, 31, 30, 31,503,504,505,506,114,114,
+507,508,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114, 20,106,106, 33, 20, 20, 20, 20, 20,
+
+/* block 106 */
+509,509,510,509,509,509,510,509,509,509,509,510,509,509,509,509,
+509,509,509,509,509,509,509,509,509,509,509,509,509,509,509,509,
+509,509,509,511,511,510,510,511,512,512,512,512,114,114,114,114,
+ 23, 23, 23, 23, 23, 23, 19, 19, 5, 19,114,114,114,114,114,114,
+513,513,513,513,513,513,513,513,513,513,513,513,513,513,513,513,
+513,513,513,513,513,513,513,513,513,513,513,513,513,513,513,513,
+513,513,513,513,513,513,513,513,513,513,513,513,513,513,513,513,
+513,513,513,513,514,514,514,514,114,114,114,114,114,114,114,114,
+
+/* block 107 */
+515,515,516,516,516,516,516,516,516,516,516,516,516,516,516,516,
+516,516,516,516,516,516,516,516,516,516,516,516,516,516,516,516,
+516,516,516,516,516,516,516,516,516,516,516,516,516,516,516,516,
+516,516,516,516,515,515,515,515,515,515,515,515,515,515,515,515,
+515,515,515,515,517,114,114,114,114,114,114,114,114,114,518,518,
+519,519,519,519,519,519,519,519,519,519,114,114,114,114,114,114,
+221,221,221,221,221,221,221,221,221,221,221,221,221,221,221,221,
+221,221,223,223,223,223,223,223,225,225,225,223,114,114,114,114,
+
+/* block 108 */
+520,520,520,520,520,520,520,520,520,520,521,521,521,521,521,521,
+521,521,521,521,521,521,521,521,521,521,521,521,521,521,521,521,
+521,521,521,521,521,521,522,522,522,522,522,522,522,522, 4,523,
+524,524,524,524,524,524,524,524,524,524,524,524,524,524,524,524,
+524,524,524,524,524,524,524,525,525,525,525,525,525,525,525,525,
+525,525,526,526,114,114,114,114,114,114,114,114,114,114,114,527,
+314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,314,
+314,314,314,314,314,314,314,314,314,314,314,314,314,114,114,114,
+
+/* block 109 */
+528,528,528,529,530,530,530,530,530,530,530,530,530,530,530,530,
+530,530,530,530,530,530,530,530,530,530,530,530,530,530,530,530,
+530,530,530,530,530,530,530,530,530,530,530,530,530,530,530,530,
+530,530,530,528,529,529,528,528,528,528,529,529,528,529,529,529,
+529,531,531,531,531,531,531,531,531,531,531,531,531,531,114,107,
+532,532,532,532,532,532,532,532,532,532,114,114,114,114,531,531,
+304,304,304,304,304,306,533,304,304,304,304,304,304,304,304,304,
+308,308,308,308,308,308,308,308,308,308,304,304,304,304,304,114,
+
+/* block 110 */
+534,534,534,534,534,534,534,534,534,534,534,534,534,534,534,534,
+534,534,534,534,534,534,534,534,534,534,534,534,534,534,534,534,
+534,534,534,534,534,534,534,534,534,535,535,535,535,535,535,536,
+536,535,535,536,536,535,535,114,114,114,114,114,114,114,114,114,
+534,534,534,535,534,534,534,534,534,534,534,534,535,536,114,114,
+537,537,537,537,537,537,537,537,537,537,114,114,538,538,538,538,
+304,304,304,304,304,304,304,304,304,304,304,304,304,304,304,304,
+533,304,304,304,304,304,304,310,310,310,304,305,306,305,304,304,
+
+/* block 111 */
+539,539,539,539,539,539,539,539,539,539,539,539,539,539,539,539,
+539,539,539,539,539,539,539,539,539,539,539,539,539,539,539,539,
+539,539,539,539,539,539,539,539,539,539,539,539,539,539,539,539,
+540,539,540,540,540,539,539,540,540,539,539,539,539,539,540,540,
+539,540,539,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,539,539,541,542,542,
+543,543,543,543,543,543,543,543,543,543,543,544,545,545,544,544,
+546,546,543,547,547,544,545,114,114,114,114,114,114,114,114,114,
+
+/* block 112 */
+114,317,317,317,317,317,317,114,114,317,317,317,317,317,317,114,
+114,317,317,317,317,317,317,114,114,114,114,114,114,114,114,114,
+317,317,317,317,317,317,317,114,317,317,317,317,317,317,317,114,
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
+ 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 14,106,106,106,106,
+114,114,114,114, 33,122,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 113 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+543,543,543,543,543,543,543,543,543,543,543,543,543,543,543,543,
+543,543,543,543,543,543,543,543,543,543,543,543,543,543,543,543,
+543,543,543,544,544,545,544,544,545,544,544,546,544,545,114,114,
+548,548,548,548,548,548,548,548,548,548,114,114,114,114,114,114,
+
+/* block 114 */
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+
+/* block 115 */
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+
+/* block 116 */
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+
+/* block 117 */
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+
+/* block 118 */
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+
+/* block 119 */
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+
+/* block 120 */
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+549,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,549,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,549,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+
+/* block 121 */
+550,550,550,550,550,550,550,550,549,550,550,550,550,550,550,550,
+550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,550,
+550,550,550,550,114,114,114,114,114,114,114,114,114,114,114,114,
+315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,315,
+315,315,315,315,315,315,315,114,114,114,114,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,316,
+316,316,316,316,316,316,316,316,316,316,316,316,114,114,114,114,
+
+/* block 122 */
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,551,
+
+/* block 123 */
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+
+/* block 124 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,114,114,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+
+/* block 125 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 126 */
+ 33, 33, 33, 33, 33, 33, 33,114,114,114,114,114,114,114,114,114,
+114,114,114,185,185,185,185,185,114,114,114,114,114,192,189,192,
+192,192,192,192,192,192,192,192,192,553,192,192,192,192,192,192,
+192,192,192,192,192,192,192,114,192,192,192,192,192,114,192,114,
+192,192,114,192,192,114,192,192,192,192,192,192,192,192,192,192,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+
+/* block 127 */
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,554,554,554,554,554,554,554,554,554,554,554,554,554,554,
+554,554,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+
+/* block 128 */
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+
+/* block 129 */
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199, 7, 6,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+
+/* block 130 */
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+114,114,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+199,199,199,199,199,199,199,199,199,199,199,199,196,197,114,114,
+
+/* block 131 */
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+ 4, 4, 4, 4, 4, 4, 4, 6, 7, 4,114,114,114,114,114,114,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,114,114,
+ 4, 9, 9, 15, 15, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6,
+ 7, 6, 7, 6, 7, 4, 4, 6, 7, 4, 4, 4, 4, 15, 15, 15,
+ 4, 4, 4,114, 4, 4, 4, 4, 9, 6, 7, 6, 7, 6, 7, 4,
+ 4, 4, 8, 9, 8, 8, 8,114, 4, 5, 4, 4,114,114,114,114,
+199,199,199,199,199,114,199,199,199,199,199,199,199,199,199,199,
+
+/* block 132 */
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,114,114, 22,
+
+/* block 133 */
+114, 4, 4, 4, 5, 4, 4, 4, 6, 7, 4, 8, 4, 9, 4, 4,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 8, 8, 8, 4,
+ 4, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 4, 7, 14, 15,
+ 14, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+ 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 6, 8, 7, 8, 6,
+ 7, 4, 6, 7, 4, 4,478,478,478,478,478,478,478,478,478,478,
+107,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+
+/* block 134 */
+478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,478,
+478,478,478,478,478,478,478,478,478,478,478,478,478,478,555,555,
+481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,
+481,481,481,481,481,481,481,481,481,481,481,481,481,481,481,114,
+114,114,481,481,481,481,481,481,114,114,481,481,481,481,481,481,
+114,114,481,481,481,481,481,481,114,114,481,481,481,114,114,114,
+ 5, 5, 8, 14, 19, 5, 5,114, 19, 8, 8, 8, 8, 19, 19,114,
+436,436,436,436,436,436,436,436,436, 22, 22, 22, 19, 19,114,114,
+
+/* block 135 */
+556,556,556,556,556,556,556,556,556,556,556,556,114,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,114,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,114,556,556,114,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,114,114,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 136 */
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,556,
+556,556,556,556,556,556,556,556,556,556,556,114,114,114,114,114,
+
+/* block 137 */
+ 4, 4, 4,114,114,114,114, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23,114,114,114, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+557,557,557,557,557,557,557,557,557,557,557,557,557,557,557,557,
+557,557,557,557,557,557,557,557,557,557,557,557,557,557,557,557,
+557,557,557,557,557,557,557,557,557,557,557,557,557,557,557,557,
+557,557,557,557,557,558,558,558,558,559,559,559,559,559,559,559,
+
+/* block 138 */
+559,559,559,559,559,559,559,559,559,559,558,558,559,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,
+559,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,109,114,114,
+
+/* block 139 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 140 */
+560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,
+560,560,560,560,560,560,560,560,560,560,560,560,560,114,114,114,
+561,561,561,561,561,561,561,561,561,561,561,561,561,561,561,561,
+561,561,561,561,561,561,561,561,561,561,561,561,561,561,561,561,
+561,561,561,561,561,561,561,561,561,561,561,561,561,561,561,561,
+561,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+109, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,114,114,114,114,
+
+/* block 141 */
+562,562,562,562,562,562,562,562,562,562,562,562,562,562,562,562,
+562,562,562,562,562,562,562,562,562,562,562,562,562,562,562,562,
+563,563,563,563,114,114,114,114,114,114,114,114,114,114,114,114,
+564,564,564,564,564,564,564,564,564,564,564,564,564,564,564,564,
+564,565,564,564,564,564,564,564,564,564,565,114,114,114,114,114,
+566,566,566,566,566,566,566,566,566,566,566,566,566,566,566,566,
+566,566,566,566,566,566,566,566,566,566,566,566,566,566,566,566,
+566,566,566,566,566,566,567,567,567,567,567,114,114,114,114,114,
+
+/* block 142 */
+568,568,568,568,568,568,568,568,568,568,568,568,568,568,568,568,
+568,568,568,568,568,568,568,568,568,568,568,568,568,568,114,569,
+570,570,570,570,570,570,570,570,570,570,570,570,570,570,570,570,
+570,570,570,570,570,570,570,570,570,570,570,570,570,570,570,570,
+570,570,570,570,114,114,114,114,570,570,570,570,570,570,570,570,
+571,572,572,572,572,572,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 143 */
+573,573,573,573,573,573,573,573,573,573,573,573,573,573,573,573,
+573,573,573,573,573,573,573,573,573,573,573,573,573,573,573,573,
+573,573,573,573,573,573,573,573,574,574,574,574,574,574,574,574,
+574,574,574,574,574,574,574,574,574,574,574,574,574,574,574,574,
+574,574,574,574,574,574,574,574,574,574,574,574,574,574,574,574,
+575,575,575,575,575,575,575,575,575,575,575,575,575,575,575,575,
+575,575,575,575,575,575,575,575,575,575,575,575,575,575,575,575,
+575,575,575,575,575,575,575,575,575,575,575,575,575,575,575,575,
+
+/* block 144 */
+576,576,576,576,576,576,576,576,576,576,576,576,576,576,576,576,
+576,576,576,576,576,576,576,576,576,576,576,576,576,576,114,114,
+577,577,577,577,577,577,577,577,577,577,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 145 */
+578,578,578,578,578,578,578,578,578,578,578,578,578,578,578,578,
+578,578,578,578,578,578,578,578,578,578,578,578,578,578,578,578,
+578,578,578,578,578,578,578,578,114,114,114,114,114,114,114,114,
+579,579,579,579,579,579,579,579,579,579,579,579,579,579,579,579,
+579,579,579,579,579,579,579,579,579,579,579,579,579,579,579,579,
+579,579,579,579,579,579,579,579,579,579,579,579,579,579,579,579,
+579,579,579,579,114,114,114,114,114,114,114,114,114,114,114,580,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 146 */
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+
+/* block 147 */
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,581,114,114,114,114,114,114,114,114,114,
+581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,581,
+581,581,581,581,581,581,114,114,114,114,114,114,114,114,114,114,
+581,581,581,581,581,581,581,581,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 148 */
+582,582,582,582,582,582,114,114,582,114,582,582,582,582,582,582,
+582,582,582,582,582,582,582,582,582,582,582,582,582,582,582,582,
+582,582,582,582,582,582,582,582,582,582,582,582,582,582,582,582,
+582,582,582,582,582,582,114,582,582,114,114,114,582,114,114,582,
+583,583,583,583,583,583,583,583,583,583,583,583,583,583,583,583,
+583,583,583,583,583,583,114,584,585,585,585,585,585,585,585,585,
+586,586,586,586,586,586,586,586,586,586,586,586,586,586,586,586,
+586,586,586,586,586,586,586,587,587,588,588,588,588,588,588,588,
+
+/* block 149 */
+589,589,589,589,589,589,589,589,589,589,589,589,589,589,589,589,
+589,589,589,589,589,589,589,589,589,589,589,589,589,589,589,114,
+114,114,114,114,114,114,114,590,590,590,590,590,590,590,590,590,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 150 */
+591,591,591,591,591,591,591,591,591,591,591,591,591,591,591,591,
+591,591,591,591,591,591,592,592,592,592,592,592,114,114,114,593,
+594,594,594,594,594,594,594,594,594,594,594,594,594,594,594,594,
+594,594,594,594,594,594,594,594,594,594,114,114,114,114,114,595,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 151 */
+596,596,596,596,596,596,596,596,596,596,596,596,596,596,596,596,
+596,596,596,596,596,596,596,596,596,596,596,596,596,596,596,596,
+597,597,597,597,597,597,597,597,597,597,597,597,597,597,597,597,
+597,597,597,597,597,597,597,597,114,114,114,114,114,114,597,597,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 152 */
+598,599,599,599,114,599,599,114,114,114,114,114,599,599,599,599,
+598,598,598,598,114,598,598,598,114,598,598,598,598,598,598,598,
+598,598,598,598,598,598,598,598,598,598,598,598,598,598,598,598,
+598,598,598,598,114,114,114,114,599,599,599,114,114,114,114,599,
+600,600,600,600,600,600,600,600,114,114,114,114,114,114,114,114,
+601,601,601,601,601,601,601,601,601,114,114,114,114,114,114,114,
+602,602,602,602,602,602,602,602,602,602,602,602,602,602,602,602,
+602,602,602,602,602,602,602,602,602,602,602,602,602,603,603,604,
+
+/* block 153 */
+605,605,605,605,605,605,605,605,605,605,605,605,605,605,605,605,
+605,605,605,605,605,605,605,605,605,605,605,605,605,606,606,606,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+607,607,607,607,607,607,607,607,608,607,607,607,607,607,607,607,
+607,607,607,607,607,607,607,607,607,607,607,607,607,607,607,607,
+607,607,607,607,607,609,609,114,114,114,114,610,610,610,610,610,
+611,611,611,611,611,611,611,114,114,114,114,114,114,114,114,114,
+
+/* block 154 */
+612,612,612,612,612,612,612,612,612,612,612,612,612,612,612,612,
+612,612,612,612,612,612,612,612,612,612,612,612,612,612,612,612,
+612,612,612,612,612,612,612,612,612,612,612,612,612,612,612,612,
+612,612,612,612,612,612,114,114,114,613,613,613,613,613,613,613,
+614,614,614,614,614,614,614,614,614,614,614,614,614,614,614,614,
+614,614,614,614,614,614,114,114,615,615,615,615,615,615,615,615,
+616,616,616,616,616,616,616,616,616,616,616,616,616,616,616,616,
+616,616,616,114,114,114,114,114,617,617,617,617,617,617,617,617,
+
+/* block 155 */
+618,618,618,618,618,618,618,618,618,618,618,618,618,618,618,618,
+618,618,114,114,114,114,114,114,114,619,619,619,619,114,114,114,
+114,114,114,114,114,114,114,114,114,620,620,620,620,620,620,620,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 156 */
+621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,
+621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,
+621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,
+621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,621,
+621,621,621,621,621,621,621,621,621,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 157 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+622,622,622,622,622,622,622,622,622,622,622,622,622,622,622,622,
+622,622,622,622,622,622,622,622,622,622,622,622,622,622,622,114,
+
+/* block 158 */
+623,624,623,625,625,625,625,625,625,625,625,625,625,625,625,625,
+625,625,625,625,625,625,625,625,625,625,625,625,625,625,625,625,
+625,625,625,625,625,625,625,625,625,625,625,625,625,625,625,625,
+625,625,625,625,625,625,625,625,624,624,624,624,624,624,624,624,
+624,624,624,624,624,624,624,626,626,626,626,626,626,626,114,114,
+114,114,627,627,627,627,627,627,627,627,627,627,627,627,627,627,
+627,627,627,627,627,627,628,628,628,628,628,628,628,628,628,628,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,624,
+
+/* block 159 */
+629,629,630,631,631,631,631,631,631,631,631,631,631,631,631,631,
+631,631,631,631,631,631,631,631,631,631,631,631,631,631,631,631,
+631,631,631,631,631,631,631,631,631,631,631,631,631,631,631,631,
+630,630,630,629,629,629,629,630,630,629,629,632,632,633,632,632,
+632,632,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+634,634,634,634,634,634,634,634,634,634,634,634,634,634,634,634,
+634,634,634,634,634,634,634,634,634,114,114,114,114,114,114,114,
+635,635,635,635,635,635,635,635,635,635,114,114,114,114,114,114,
+
+/* block 160 */
+636,636,636,637,637,637,637,637,637,637,637,637,637,637,637,637,
+637,637,637,637,637,637,637,637,637,637,637,637,637,637,637,637,
+637,637,637,637,637,637,637,636,636,636,636,636,638,636,636,636,
+636,636,636,636,636,114,639,639,639,639,639,639,639,639,639,639,
+640,640,640,640,114,114,114,114,114,114,114,114,114,114,114,114,
+641,641,641,641,641,641,641,641,641,641,641,641,641,641,641,641,
+641,641,641,641,641,641,641,641,641,641,641,641,641,641,641,641,
+641,641,641,642,643,643,641,114,114,114,114,114,114,114,114,114,
+
+/* block 161 */
+644,644,645,646,646,646,646,646,646,646,646,646,646,646,646,646,
+646,646,646,646,646,646,646,646,646,646,646,646,646,646,646,646,
+646,646,646,646,646,646,646,646,646,646,646,646,646,646,646,646,
+646,646,646,645,645,645,644,644,644,644,644,644,644,644,644,645,
+645,646,646,646,646,647,647,647,647,114,114,114,114,647,114,114,
+648,648,648,648,648,648,648,648,648,648,646,114,114,114,114,114,
+114,649,649,649,649,649,649,649,649,649,649,649,649,649,649,649,
+649,649,649,649,649,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 162 */
+650,650,650,650,650,650,650,650,650,650,650,650,650,650,650,650,
+650,650,114,650,650,650,650,650,650,650,650,650,650,650,650,650,
+650,650,650,650,650,650,650,650,650,650,650,650,651,651,651,652,
+652,652,651,651,652,651,652,652,653,653,653,653,653,653,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 163 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+654,654,654,654,654,654,654,654,654,654,654,654,654,654,654,654,
+654,654,654,654,654,654,654,654,654,654,654,654,654,654,654,654,
+654,654,654,654,654,654,654,654,654,654,654,654,654,654,654,655,
+656,656,656,655,655,655,655,655,655,655,655,114,114,114,114,114,
+657,657,657,657,657,657,657,657,657,657,114,114,114,114,114,114,
+
+/* block 164 */
+114,658,659,659,114,660,660,660,660,660,660,660,660,114,114,660,
+660,114,114,660,660,660,660,660,660,660,660,660,660,660,660,660,
+660,660,660,660,660,660,660,660,660,114,660,660,660,660,660,660,
+660,114,660,660,114,660,660,660,660,660,114,114,658,660,661,659,
+658,659,659,659,659,114,114,659,659,114,114,659,659,659,114,114,
+114,114,114,114,114,114,114,661,114,114,114,114,114,660,660,660,
+660,660,659,659,114,114,658,658,658,658,658,658,658,114,114,114,
+658,658,658,658,658,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 165 */
+662,662,662,662,662,662,662,662,662,662,662,662,662,662,662,662,
+662,662,662,662,662,662,662,662,662,662,662,662,662,662,662,662,
+662,662,662,662,662,662,662,662,662,662,662,662,662,662,662,662,
+663,664,664,665,665,665,665,665,665,664,665,664,664,663,664,665,
+665,664,665,665,662,662,666,662,114,114,114,114,114,114,114,114,
+667,667,667,667,667,667,667,667,667,667,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 166 */
+668,668,668,668,668,668,668,668,668,668,668,668,668,668,668,668,
+668,668,668,668,668,668,668,668,668,668,668,668,668,668,668,668,
+668,668,668,668,668,668,668,668,668,668,668,668,668,668,668,669,
+670,670,671,671,671,671,114,114,670,670,670,670,671,671,670,671,
+671,672,672,672,672,672,672,672,672,672,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 167 */
+673,673,673,673,673,673,673,673,673,673,673,673,673,673,673,673,
+673,673,673,673,673,673,673,673,673,673,673,673,673,673,673,673,
+673,673,673,673,673,673,673,673,673,673,673,673,673,673,673,673,
+674,674,674,675,675,675,675,675,675,675,675,674,674,675,674,675,
+675,676,676,676,673,114,114,114,114,114,114,114,114,114,114,114,
+677,677,677,677,677,677,677,677,677,677,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 168 */
+678,678,678,678,678,678,678,678,678,678,678,678,678,678,678,678,
+678,678,678,678,678,678,678,678,678,678,678,678,678,678,678,678,
+678,678,678,678,678,678,678,678,678,678,678,679,680,679,680,680,
+679,679,679,679,679,679,680,679,114,114,114,114,114,114,114,114,
+681,681,681,681,681,681,681,681,681,681,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 169 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+682,682,682,682,682,682,682,682,682,682,682,682,682,682,682,682,
+682,682,682,682,682,682,682,682,682,682,682,682,682,682,682,682,
+683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,
+683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,
+684,684,684,684,684,684,684,684,684,684,685,685,685,685,685,685,
+685,685,685,114,114,114,114,114,114,114,114,114,114,114,114,686,
+
+/* block 170 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+687,687,687,687,687,687,687,687,687,687,687,687,687,687,687,687,
+687,687,687,687,687,687,687,687,687,687,687,687,687,687,687,687,
+687,687,687,687,687,687,687,687,687,687,687,687,687,687,687,687,
+687,687,687,687,687,687,687,687,687,114,114,114,114,114,114,114,
+
+/* block 171 */
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+
+/* block 172 */
+688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,688,
+688,688,688,688,688,688,688,688,688,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 173 */
+689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,
+689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,
+689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,
+689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,
+689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,
+689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,
+689,689,689,689,689,689,689,689,689,689,689,689,689,689,689,114,
+690,690,690,690,690,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 174 */
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+
+/* block 175 */
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,
+691,691,691,691,691,691,691,691,691,691,691,691,691,691,691,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 176 */
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+
+/* block 177 */
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,497,
+497,497,497,497,497,497,497,497,497,114,114,114,114,114,114,114,
+692,692,692,692,692,692,692,692,692,692,692,692,692,692,692,692,
+692,692,692,692,692,692,692,692,692,692,692,692,692,692,692,114,
+693,693,693,693,693,693,693,693,693,693,114,114,114,114,694,694,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 178 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+695,695,695,695,695,695,695,695,695,695,695,695,695,695,695,695,
+695,695,695,695,695,695,695,695,695,695,695,695,695,695,114,114,
+696,696,696,696,696,697,114,114,114,114,114,114,114,114,114,114,
+
+/* block 179 */
+698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,
+698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,
+698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,
+699,699,699,699,699,699,699,700,700,700,700,700,701,701,701,701,
+702,702,702,702,700,701,114,114,114,114,114,114,114,114,114,114,
+703,703,703,703,703,703,703,703,703,703,114,704,704,704,704,704,
+704,704,114,698,698,698,698,698,698,698,698,698,698,698,698,698,
+698,698,698,698,698,698,698,698,114,114,114,114,114,698,698,698,
+
+/* block 180 */
+698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,698,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 181 */
+705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,
+705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,
+705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,
+705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,705,
+705,705,705,705,705,114,114,114,114,114,114,114,114,114,114,114,
+705,706,706,706,706,706,706,706,706,706,706,706,706,706,706,706,
+706,706,706,706,706,706,706,706,706,706,706,706,706,706,706,706,
+706,706,706,706,706,706,706,706,706,706,706,706,706,706,706,114,
+
+/* block 182 */
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,707,
+707,707,707,708,708,708,708,708,708,708,708,708,708,708,708,708,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 183 */
+478,476,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 184 */
+709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,
+709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,
+709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,
+709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,
+709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,
+709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,709,
+709,709,709,709,709,709,709,709,709,709,709,114,114,114,114,114,
+709,709,709,709,709,709,709,709,709,709,709,709,709,114,114,114,
+
+/* block 185 */
+709,709,709,709,709,709,709,709,709,114,114,114,114,114,114,114,
+709,709,709,709,709,709,709,709,709,709,114,114,710,711,711,712,
+ 22, 22, 22, 22,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 186 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,114,
+
+/* block 187 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19,114,114, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19,713,405,109,109,109, 19, 19, 19,405,713,713,
+713,713,713, 22, 22, 22, 22, 22, 22, 22, 22,109,109,109,109,109,
+
+/* block 188 */
+109,109,109, 19, 19,109,109,109,109,109,109,109, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,109,109,109,109, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 189 */
+559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,
+559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,
+559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,
+559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,559,
+559,559,714,714,714,559,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 190 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+ 23, 23,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 191 */
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,438,438,
+438,438,438,438,438,114,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+
+/* block 192 */
+437,437,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,437,114,437,437,
+114,114,437,114,114,437,437,114,114,437,437,437,437,114,437,437,
+437,437,437,437,437,437,438,438,438,438,114,438,114,438,438,438,
+438,438,438,438,114,438,438,438,438,438,438,438,438,438,438,438,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+
+/* block 193 */
+438,438,438,438,437,437,114,437,437,437,437,114,114,437,437,437,
+437,437,437,437,437,114,437,437,437,437,437,437,437,114,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,437,437,114,437,437,437,437,114,
+437,437,437,437,437,114,437,114,114,114,437,437,437,437,437,437,
+437,114,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+
+/* block 194 */
+437,437,437,437,437,437,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+
+/* block 195 */
+438,438,438,438,438,438,438,438,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+
+/* block 196 */
+437,437,437,437,437,437,437,437,437,437,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,114,114,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437, 8,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438, 8,438,438,438,438,
+438,438,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437, 8,438,438,438,438,
+
+/* block 197 */
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438, 8,438,438,438,438,438,438,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437, 8,438,438,438,438,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438, 8,
+438,438,438,438,438,438,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437, 8,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+
+/* block 198 */
+438,438,438,438,438,438,438,438,438, 8,438,438,438,438,438,438,
+437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437,
+437,437,437,437,437,437,437,437,437, 8,438,438,438,438,438,438,
+438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438,
+438,438,438, 8,438,438,438,438,438,438,437,438,114,114, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+
+/* block 199 */
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+
+/* block 200 */
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,715,
+715,715,715,715,715,114,114,716,716,716,716,716,716,716,716,716,
+717,717,717,717,717,717,717,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 201 */
+199,199,199,199,114,199,199,199,199,199,199,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,199,
+114,199,199,114,199,114,114,199,114,199,199,199,199,199,199,199,
+199,199,199,114,199,199,199,199,114,199,114,199,114,114,114,114,
+114,114,199,114,114,114,114,199,114,199,114,199,114,199,199,199,
+114,199,199,114,199,114,114,199,114,199,114,199,114,199,114,199,
+114,199,199,114,199,114,114,199,199,199,199,114,199,199,199,199,
+199,199,199,114,199,199,199,199,114,199,199,199,199,114,199,114,
+
+/* block 202 */
+199,199,199,199,199,199,199,199,199,199,114,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,114,114,114,114,
+114,199,199,199,114,199,199,199,199,199,114,199,199,199,199,199,
+199,199,199,199,199,199,199,199,199,199,199,199,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+194,194,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 203 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 204 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,
+114, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+114, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+114, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,114,
+
+/* block 205 */
+ 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 206 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,718,718,718,718,718,718,718,718,718,718,
+718,718,718,718,718,718,718,718,718,718,718,718,718,718,718,718,
+
+/* block 207 */
+719, 19, 19,114,114,114,114,114,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,
+ 19, 19,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 208 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,
+
+/* block 209 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,
+114,114,114,114, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,
+
+/* block 210 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,
+
+/* block 211 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114, 19, 19, 19, 19, 19,
+
+/* block 212 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19,114, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 213 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19,114,114, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 214 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,
+ 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 215 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 216 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 217 */
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+
+/* block 218 */
+ 19, 19, 19, 19, 19, 19, 19, 19,114,114,114,114,114,114,114,114,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 219 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 220 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,114,114,114,114,114,114,114,114,114,114,114,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+
+/* block 221 */
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,484,
+484,484,484,484,484,484,484,484,484,484,484,484,484,484,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,
+
+/* block 222 */
+436, 22,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+
+/* block 223 */
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+
+/* block 224 */
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+
+/* block 225 */
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
+436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436,
+
+/* block 226 */
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,552,
+552,552,552,552,552,552,552,552,552,552,552,552,552,552,114,114,
+
+};
+
+#if UCD_BLOCK_SIZE != 128
+#error Please correct UCD_BLOCK_SIZE in pcre_internal.h
+#endif
+#endif /* SUPPORT_UCP */
+
+#endif /* PCRE_INCLUDED */
diff --git a/deps/pcre/pcre_valid_utf8.c b/deps/pcre/pcre_valid_utf8.c
new file mode 100644
index 0000000..3b0f646
--- /dev/null
+++ b/deps/pcre/pcre_valid_utf8.c
@@ -0,0 +1,301 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2013 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains an internal function for validating UTF-8 character
+strings. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Validate a UTF-8 string *
+*************************************************/
+
+/* This function is called (optionally) at the start of compile or match, to
+check that a supposed UTF-8 string is actually valid. The early check means
+that subsequent code can assume it is dealing with a valid string. The check
+can be turned off for maximum performance, but the consequences of supplying an
+invalid string are then undefined.
+
+Originally, this function checked according to RFC 2279, allowing for values in
+the range 0 to 0x7fffffff, up to 6 bytes long, but ensuring that they were in
+the canonical format. Once somebody had pointed out RFC 3629 to me (it
+obsoletes 2279), additional restrictions were applied. The values are now
+limited to be between 0 and 0x0010ffff, no more than 4 bytes long, and the
+subrange 0xd000 to 0xdfff is excluded. However, the format of 5-byte and 6-byte
+characters is still checked.
+
+From release 8.13 more information about the details of the error are passed
+back in the returned value:
+
+PCRE_UTF8_ERR0 No error
+PCRE_UTF8_ERR1 Missing 1 byte at the end of the string
+PCRE_UTF8_ERR2 Missing 2 bytes at the end of the string
+PCRE_UTF8_ERR3 Missing 3 bytes at the end of the string
+PCRE_UTF8_ERR4 Missing 4 bytes at the end of the string
+PCRE_UTF8_ERR5 Missing 5 bytes at the end of the string
+PCRE_UTF8_ERR6 2nd-byte's two top bits are not 0x80
+PCRE_UTF8_ERR7 3rd-byte's two top bits are not 0x80
+PCRE_UTF8_ERR8 4th-byte's two top bits are not 0x80
+PCRE_UTF8_ERR9 5th-byte's two top bits are not 0x80
+PCRE_UTF8_ERR10 6th-byte's two top bits are not 0x80
+PCRE_UTF8_ERR11 5-byte character is not permitted by RFC 3629
+PCRE_UTF8_ERR12 6-byte character is not permitted by RFC 3629
+PCRE_UTF8_ERR13 4-byte character with value > 0x10ffff is not permitted
+PCRE_UTF8_ERR14 3-byte character with value 0xd000-0xdfff is not permitted
+PCRE_UTF8_ERR15 Overlong 2-byte sequence
+PCRE_UTF8_ERR16 Overlong 3-byte sequence
+PCRE_UTF8_ERR17 Overlong 4-byte sequence
+PCRE_UTF8_ERR18 Overlong 5-byte sequence (won't ever occur)
+PCRE_UTF8_ERR19 Overlong 6-byte sequence (won't ever occur)
+PCRE_UTF8_ERR20 Isolated 0x80 byte (not within UTF-8 character)
+PCRE_UTF8_ERR21 Byte with the illegal value 0xfe or 0xff
+PCRE_UTF8_ERR22 Unused (was non-character)
+
+Arguments:
+ string points to the string
+ length length of string, or -1 if the string is zero-terminated
+ errp pointer to an error position offset variable
+
+Returns: = 0 if the string is a valid UTF-8 string
+ > 0 otherwise, setting the offset of the bad character
+*/
+
+int
+PRIV(valid_utf)(PCRE_PUCHAR string, int length, int *erroroffset)
+{
+#ifdef SUPPORT_UTF
+register PCRE_PUCHAR p;
+
+if (length < 0)
+ {
+ for (p = string; *p != 0; p++);
+ length = (int)(p - string);
+ }
+
+for (p = string; length-- > 0; p++)
+ {
+ register pcre_uchar ab, c, d;
+
+ c = *p;
+ if (c < 128) continue; /* ASCII character */
+
+ if (c < 0xc0) /* Isolated 10xx xxxx byte */
+ {
+ *erroroffset = (int)(p - string);
+ return PCRE_UTF8_ERR20;
+ }
+
+ if (c >= 0xfe) /* Invalid 0xfe or 0xff bytes */
+ {
+ *erroroffset = (int)(p - string);
+ return PCRE_UTF8_ERR21;
+ }
+
+ ab = PRIV(utf8_table4)[c & 0x3f]; /* Number of additional bytes */
+ if (length < ab)
+ {
+ *erroroffset = (int)(p - string); /* Missing bytes */
+ return ab - length; /* Codes ERR1 to ERR5 */
+ }
+ length -= ab; /* Length remaining */
+
+ /* Check top bits in the second byte */
+
+ if (((d = *(++p)) & 0xc0) != 0x80)
+ {
+ *erroroffset = (int)(p - string) - 1;
+ return PCRE_UTF8_ERR6;
+ }
+
+ /* For each length, check that the remaining bytes start with the 0x80 bit
+ set and not the 0x40 bit. Then check for an overlong sequence, and for the
+ excluded range 0xd800 to 0xdfff. */
+
+ switch (ab)
+ {
+ /* 2-byte character. No further bytes to check for 0x80. Check first byte
+ for for xx00 000x (overlong sequence). */
+
+ case 1: if ((c & 0x3e) == 0)
+ {
+ *erroroffset = (int)(p - string) - 1;
+ return PCRE_UTF8_ERR15;
+ }
+ break;
+
+ /* 3-byte character. Check third byte for 0x80. Then check first 2 bytes
+ for 1110 0000, xx0x xxxx (overlong sequence) or
+ 1110 1101, 1010 xxxx (0xd800 - 0xdfff) */
+
+ case 2:
+ if ((*(++p) & 0xc0) != 0x80) /* Third byte */
+ {
+ *erroroffset = (int)(p - string) - 2;
+ return PCRE_UTF8_ERR7;
+ }
+ if (c == 0xe0 && (d & 0x20) == 0)
+ {
+ *erroroffset = (int)(p - string) - 2;
+ return PCRE_UTF8_ERR16;
+ }
+ if (c == 0xed && d >= 0xa0)
+ {
+ *erroroffset = (int)(p - string) - 2;
+ return PCRE_UTF8_ERR14;
+ }
+ break;
+
+ /* 4-byte character. Check 3rd and 4th bytes for 0x80. Then check first 2
+ bytes for for 1111 0000, xx00 xxxx (overlong sequence), then check for a
+ character greater than 0x0010ffff (f4 8f bf bf) */
+
+ case 3:
+ if ((*(++p) & 0xc0) != 0x80) /* Third byte */
+ {
+ *erroroffset = (int)(p - string) - 2;
+ return PCRE_UTF8_ERR7;
+ }
+ if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */
+ {
+ *erroroffset = (int)(p - string) - 3;
+ return PCRE_UTF8_ERR8;
+ }
+ if (c == 0xf0 && (d & 0x30) == 0)
+ {
+ *erroroffset = (int)(p - string) - 3;
+ return PCRE_UTF8_ERR17;
+ }
+ if (c > 0xf4 || (c == 0xf4 && d > 0x8f))
+ {
+ *erroroffset = (int)(p - string) - 3;
+ return PCRE_UTF8_ERR13;
+ }
+ break;
+
+ /* 5-byte and 6-byte characters are not allowed by RFC 3629, and will be
+ rejected by the length test below. However, we do the appropriate tests
+ here so that overlong sequences get diagnosed, and also in case there is
+ ever an option for handling these larger code points. */
+
+ /* 5-byte character. Check 3rd, 4th, and 5th bytes for 0x80. Then check for
+ 1111 1000, xx00 0xxx */
+
+ case 4:
+ if ((*(++p) & 0xc0) != 0x80) /* Third byte */
+ {
+ *erroroffset = (int)(p - string) - 2;
+ return PCRE_UTF8_ERR7;
+ }
+ if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */
+ {
+ *erroroffset = (int)(p - string) - 3;
+ return PCRE_UTF8_ERR8;
+ }
+ if ((*(++p) & 0xc0) != 0x80) /* Fifth byte */
+ {
+ *erroroffset = (int)(p - string) - 4;
+ return PCRE_UTF8_ERR9;
+ }
+ if (c == 0xf8 && (d & 0x38) == 0)
+ {
+ *erroroffset = (int)(p - string) - 4;
+ return PCRE_UTF8_ERR18;
+ }
+ break;
+
+ /* 6-byte character. Check 3rd-6th bytes for 0x80. Then check for
+ 1111 1100, xx00 00xx. */
+
+ case 5:
+ if ((*(++p) & 0xc0) != 0x80) /* Third byte */
+ {
+ *erroroffset = (int)(p - string) - 2;
+ return PCRE_UTF8_ERR7;
+ }
+ if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */
+ {
+ *erroroffset = (int)(p - string) - 3;
+ return PCRE_UTF8_ERR8;
+ }
+ if ((*(++p) & 0xc0) != 0x80) /* Fifth byte */
+ {
+ *erroroffset = (int)(p - string) - 4;
+ return PCRE_UTF8_ERR9;
+ }
+ if ((*(++p) & 0xc0) != 0x80) /* Sixth byte */
+ {
+ *erroroffset = (int)(p - string) - 5;
+ return PCRE_UTF8_ERR10;
+ }
+ if (c == 0xfc && (d & 0x3c) == 0)
+ {
+ *erroroffset = (int)(p - string) - 5;
+ return PCRE_UTF8_ERR19;
+ }
+ break;
+ }
+
+ /* Character is valid under RFC 2279, but 4-byte and 5-byte characters are
+ excluded by RFC 3629. The pointer p is currently at the last byte of the
+ character. */
+
+ if (ab > 3)
+ {
+ *erroroffset = (int)(p - string) - ab;
+ return (ab == 4)? PCRE_UTF8_ERR11 : PCRE_UTF8_ERR12;
+ }
+ }
+
+#else /* Not SUPPORT_UTF */
+(void)(string); /* Keep picky compilers happy */
+(void)(length);
+(void)(erroroffset);
+#endif
+
+return PCRE_UTF8_ERR0; /* This indicates success */
+}
+
+/* End of pcre_valid_utf8.c */
diff --git a/deps/pcre/pcre_version.c b/deps/pcre/pcre_version.c
new file mode 100644
index 0000000..ae86ff2
--- /dev/null
+++ b/deps/pcre/pcre_version.c
@@ -0,0 +1,98 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains the external function pcre_version(), which returns a
+string that identifies the PCRE version that is in use. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Return version string *
+*************************************************/
+
+/* These macros are the standard way of turning unquoted text into C strings.
+They allow macros like PCRE_MAJOR to be defined without quotes, which is
+convenient for user programs that want to test its value. */
+
+#define STRING(a) # a
+#define XSTRING(s) STRING(s)
+
+/* A problem turned up with PCRE_PRERELEASE, which is defined empty for
+production releases. Originally, it was used naively in this code:
+
+ return XSTRING(PCRE_MAJOR)
+ "." XSTRING(PCRE_MINOR)
+ XSTRING(PCRE_PRERELEASE)
+ " " XSTRING(PCRE_DATE);
+
+However, when PCRE_PRERELEASE is empty, this leads to an attempted expansion of
+STRING(). The C standard states: "If (before argument substitution) any
+argument consists of no preprocessing tokens, the behavior is undefined." It
+turns out the gcc treats this case as a single empty string - which is what we
+really want - but Visual C grumbles about the lack of an argument for the
+macro. Unfortunately, both are within their rights. To cope with both ways of
+handling this, I had resort to some messy hackery that does a test at run time.
+I could find no way of detecting that a macro is defined as an empty string at
+pre-processor time. This hack uses a standard trick for avoiding calling
+the STRING macro with an empty argument when doing the test. */
+
+#if defined COMPILE_PCRE8
+PCRE_EXP_DEFN const char * PCRE_CALL_CONVENTION
+pcre_version(void)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DEFN const char * PCRE_CALL_CONVENTION
+pcre16_version(void)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DEFN const char * PCRE_CALL_CONVENTION
+pcre32_version(void)
+#endif
+{
+return (XSTRING(Z PCRE_PRERELEASE)[1] == 0)?
+ XSTRING(PCRE_MAJOR.PCRE_MINOR PCRE_DATE) :
+ XSTRING(PCRE_MAJOR.PCRE_MINOR) XSTRING(PCRE_PRERELEASE PCRE_DATE);
+}
+
+/* End of pcre_version.c */
diff --git a/deps/pcre/pcre_xclass.c b/deps/pcre/pcre_xclass.c
new file mode 100644
index 0000000..ef759a5
--- /dev/null
+++ b/deps/pcre/pcre_xclass.c
@@ -0,0 +1,268 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2013 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module contains an internal function that is used to match an extended
+class. It is used by both pcre_exec() and pcre_def_exec(). */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pcre_internal.h"
+
+
+/*************************************************
+* Match character against an XCLASS *
+*************************************************/
+
+/* This function is called to match a character against an extended class that
+might contain values > 255 and/or Unicode properties.
+
+Arguments:
+ c the character
+ data points to the flag byte of the XCLASS data
+
+Returns: TRUE if character matches, else FALSE
+*/
+
+BOOL
+PRIV(xclass)(pcre_uint32 c, const pcre_uchar *data, BOOL utf)
+{
+pcre_uchar t;
+BOOL negated = (*data & XCL_NOT) != 0;
+
+(void)utf;
+#ifdef COMPILE_PCRE8
+/* In 8 bit mode, this must always be TRUE. Help the compiler to know that. */
+utf = TRUE;
+#endif
+
+/* Character values < 256 are matched against a bitmap, if one is present. If
+not, we still carry on, because there may be ranges that start below 256 in the
+additional data. */
+
+if (c < 256)
+ {
+ if ((*data & XCL_HASPROP) == 0)
+ {
+ if ((*data & XCL_MAP) == 0) return negated;
+ return (((pcre_uint8 *)(data + 1))[c/8] & (1 << (c&7))) != 0;
+ }
+ if ((*data & XCL_MAP) != 0 &&
+ (((pcre_uint8 *)(data + 1))[c/8] & (1 << (c&7))) != 0)
+ return !negated; /* char found */
+ }
+
+/* First skip the bit map if present. Then match against the list of Unicode
+properties or large chars or ranges that end with a large char. We won't ever
+encounter XCL_PROP or XCL_NOTPROP when UCP support is not compiled. */
+
+if ((*data++ & XCL_MAP) != 0) data += 32 / sizeof(pcre_uchar);
+
+while ((t = *data++) != XCL_END)
+ {
+ pcre_uint32 x, y;
+ if (t == XCL_SINGLE)
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ GETCHARINC(x, data); /* macro generates multiple statements */
+ }
+ else
+#endif
+ x = *data++;
+ if (c == x) return !negated;
+ }
+ else if (t == XCL_RANGE)
+ {
+#ifdef SUPPORT_UTF
+ if (utf)
+ {
+ GETCHARINC(x, data); /* macro generates multiple statements */
+ GETCHARINC(y, data); /* macro generates multiple statements */
+ }
+ else
+#endif
+ {
+ x = *data++;
+ y = *data++;
+ }
+ if (c >= x && c <= y) return !negated;
+ }
+
+#ifdef SUPPORT_UCP
+ else /* XCL_PROP & XCL_NOTPROP */
+ {
+ const ucd_record *prop = GET_UCD(c);
+ BOOL isprop = t == XCL_PROP;
+
+ switch(*data)
+ {
+ case PT_ANY:
+ if (isprop) return !negated;
+ break;
+
+ case PT_LAMP:
+ if ((prop->chartype == ucp_Lu || prop->chartype == ucp_Ll ||
+ prop->chartype == ucp_Lt) == isprop) return !negated;
+ break;
+
+ case PT_GC:
+ if ((data[1] == PRIV(ucp_gentype)[prop->chartype]) == isprop)
+ return !negated;
+ break;
+
+ case PT_PC:
+ if ((data[1] == prop->chartype) == isprop) return !negated;
+ break;
+
+ case PT_SC:
+ if ((data[1] == prop->script) == isprop) return !negated;
+ break;
+
+ case PT_ALNUM:
+ if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N) == isprop)
+ return !negated;
+ break;
+
+ /* Perl space used to exclude VT, but from Perl 5.18 it is included,
+ which means that Perl space and POSIX space are now identical. PCRE
+ was changed at release 8.34. */
+
+ case PT_SPACE: /* Perl space */
+ case PT_PXSPACE: /* POSIX space */
+ switch(c)
+ {
+ HSPACE_CASES:
+ VSPACE_CASES:
+ if (isprop) return !negated;
+ break;
+
+ default:
+ if ((PRIV(ucp_gentype)[prop->chartype] == ucp_Z) == isprop)
+ return !negated;
+ break;
+ }
+ break;
+
+ case PT_WORD:
+ if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
+ PRIV(ucp_gentype)[prop->chartype] == ucp_N || c == CHAR_UNDERSCORE)
+ == isprop)
+ return !negated;
+ break;
+
+ case PT_UCNC:
+ if (c < 0xa0)
+ {
+ if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
+ c == CHAR_GRAVE_ACCENT) == isprop)
+ return !negated;
+ }
+ else
+ {
+ if ((c < 0xd800 || c > 0xdfff) == isprop)
+ return !negated;
+ }
+ break;
+
+ /* The following three properties can occur only in an XCLASS, as there
+ is no \p or \P coding for them. */
+
+ /* Graphic character. Implement this as not Z (space or separator) and
+ not C (other), except for Cf (format) with a few exceptions. This seems
+ to be what Perl does. The exceptional characters are:
+
+ U+061C Arabic Letter Mark
+ U+180E Mongolian Vowel Separator
+ U+2066 - U+2069 Various "isolate"s
+ */
+
+ case PT_PXGRAPH:
+ if ((PRIV(ucp_gentype)[prop->chartype] != ucp_Z &&
+ (PRIV(ucp_gentype)[prop->chartype] != ucp_C ||
+ (prop->chartype == ucp_Cf &&
+ c != 0x061c && c != 0x180e && (c < 0x2066 || c > 0x2069))
+ )) == isprop)
+ return !negated;
+ break;
+
+ /* Printable character: same as graphic, with the addition of Zs, i.e.
+ not Zl and not Zp, and U+180E. */
+
+ case PT_PXPRINT:
+ if ((prop->chartype != ucp_Zl &&
+ prop->chartype != ucp_Zp &&
+ (PRIV(ucp_gentype)[prop->chartype] != ucp_C ||
+ (prop->chartype == ucp_Cf &&
+ c != 0x061c && (c < 0x2066 || c > 0x2069))
+ )) == isprop)
+ return !negated;
+ break;
+
+ /* Punctuation: all Unicode punctuation, plus ASCII characters that
+ Unicode treats as symbols rather than punctuation, for Perl
+ compatibility (these are $+<=>^`|~). */
+
+ case PT_PXPUNCT:
+ if ((PRIV(ucp_gentype)[prop->chartype] == ucp_P ||
+ (c < 128 && PRIV(ucp_gentype)[prop->chartype] == ucp_S)) == isprop)
+ return !negated;
+ break;
+
+ /* This should never occur, but compilers may mutter if there is no
+ default. */
+
+ default:
+ return FALSE;
+ }
+
+ data += 2;
+ }
+#endif /* SUPPORT_UCP */
+ }
+
+return negated; /* char did not match */
+}
+
+/* End of pcre_xclass.c */
diff --git a/deps/pcre/pcreposix.c b/deps/pcre/pcreposix.c
new file mode 100644
index 0000000..77dbddb
--- /dev/null
+++ b/deps/pcre/pcreposix.c
@@ -0,0 +1,421 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+/* PCRE is a library of functions to support regular expressions whose syntax
+and semantics are as close as possible to those of the Perl 5 language.
+
+ Written by Philip Hazel
+ Copyright (c) 1997-2018 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+
+/* This module is a wrapper that provides a POSIX API to the underlying PCRE
+functions. */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* We include pcre.h before pcre_internal.h so that the PCRE library functions
+are declared as "import" for Windows by defining PCRE_EXP_DECL as "import".
+This is needed even though pcre_internal.h itself includes pcre.h, because it
+does so after it has set PCRE_EXP_DECL to "export" if it is not already set. */
+
+#include "pcre.h"
+#include "pcre_internal.h"
+#include "pcreposix.h"
+
+
+/* Table to translate PCRE compile time error codes into POSIX error codes. */
+
+static const int eint[] = {
+ 0, /* no error */
+ PCRE_REG_EESCAPE, /* \ at end of pattern */
+ PCRE_REG_EESCAPE, /* \c at end of pattern */
+ PCRE_REG_EESCAPE, /* unrecognized character follows \ */
+ PCRE_REG_BADBR, /* numbers out of order in {} quantifier */
+ /* 5 */
+ PCRE_REG_BADBR, /* number too big in {} quantifier */
+ PCRE_REG_EBRACK, /* missing terminating ] for character class */
+ PCRE_REG_ECTYPE, /* invalid escape sequence in character class */
+ PCRE_REG_ERANGE, /* range out of order in character class */
+ PCRE_REG_BADRPT, /* nothing to repeat */
+ /* 10 */
+ PCRE_REG_BADRPT, /* operand of unlimited repeat could match the empty string */
+ PCRE_REG_ASSERT, /* internal error: unexpected repeat */
+ PCRE_REG_BADPAT, /* unrecognized character after (? */
+ PCRE_REG_BADPAT, /* POSIX named classes are supported only within a class */
+ PCRE_REG_EPAREN, /* missing ) */
+ /* 15 */
+ PCRE_REG_ESUBREG, /* reference to non-existent subpattern */
+ PCRE_REG_INVARG, /* erroffset passed as NULL */
+ PCRE_REG_INVARG, /* unknown option bit(s) set */
+ PCRE_REG_EPAREN, /* missing ) after comment */
+ PCRE_REG_ESIZE, /* parentheses nested too deeply */
+ /* 20 */
+ PCRE_REG_ESIZE, /* regular expression too large */
+ PCRE_REG_ESPACE, /* failed to get memory */
+ PCRE_REG_EPAREN, /* unmatched parentheses */
+ PCRE_REG_ASSERT, /* internal error: code overflow */
+ PCRE_REG_BADPAT, /* unrecognized character after (?< */
+ /* 25 */
+ PCRE_REG_BADPAT, /* lookbehind assertion is not fixed length */
+ PCRE_REG_BADPAT, /* malformed number or name after (?( */
+ PCRE_REG_BADPAT, /* conditional group contains more than two branches */
+ PCRE_REG_BADPAT, /* assertion expected after (?( */
+ PCRE_REG_BADPAT, /* (?R or (?[+-]digits must be followed by ) */
+ /* 30 */
+ PCRE_REG_ECTYPE, /* unknown POSIX class name */
+ PCRE_REG_BADPAT, /* POSIX collating elements are not supported */
+ PCRE_REG_INVARG, /* this version of PCRE is not compiled with PCRE_UTF8 support */
+ PCRE_REG_BADPAT, /* spare error */
+ PCRE_REG_BADPAT, /* character value in \x{} or \o{} is too large */
+ /* 35 */
+ PCRE_REG_BADPAT, /* invalid condition (?(0) */
+ PCRE_REG_BADPAT, /* \C not allowed in lookbehind assertion */
+ PCRE_REG_EESCAPE, /* PCRE does not support \L, \l, \N, \U, or \u */
+ PCRE_REG_BADPAT, /* number after (?C is > 255 */
+ PCRE_REG_BADPAT, /* closing ) for (?C expected */
+ /* 40 */
+ PCRE_REG_BADPAT, /* recursive call could loop indefinitely */
+ PCRE_REG_BADPAT, /* unrecognized character after (?P */
+ PCRE_REG_BADPAT, /* syntax error in subpattern name (missing terminator) */
+ PCRE_REG_BADPAT, /* two named subpatterns have the same name */
+ PCRE_REG_BADPAT, /* invalid UTF-8 string */
+ /* 45 */
+ PCRE_REG_BADPAT, /* support for \P, \p, and \X has not been compiled */
+ PCRE_REG_BADPAT, /* malformed \P or \p sequence */
+ PCRE_REG_BADPAT, /* unknown property name after \P or \p */
+ PCRE_REG_BADPAT, /* subpattern name is too long (maximum 32 characters) */
+ PCRE_REG_BADPAT, /* too many named subpatterns (maximum 10,000) */
+ /* 50 */
+ PCRE_REG_BADPAT, /* repeated subpattern is too long */
+ PCRE_REG_BADPAT, /* octal value is greater than \377 (not in UTF-8 mode) */
+ PCRE_REG_BADPAT, /* internal error: overran compiling workspace */
+ PCRE_REG_BADPAT, /* internal error: previously-checked referenced subpattern not found */
+ PCRE_REG_BADPAT, /* DEFINE group contains more than one branch */
+ /* 55 */
+ PCRE_REG_BADPAT, /* repeating a DEFINE group is not allowed */
+ PCRE_REG_INVARG, /* inconsistent NEWLINE options */
+ PCRE_REG_BADPAT, /* \g is not followed followed by an (optionally braced) non-zero number */
+ PCRE_REG_BADPAT, /* a numbered reference must not be zero */
+ PCRE_REG_BADPAT, /* an argument is not allowed for (*ACCEPT), (*FAIL), or (*COMMIT) */
+ /* 60 */
+ PCRE_REG_BADPAT, /* (*VERB) not recognized */
+ PCRE_REG_BADPAT, /* number is too big */
+ PCRE_REG_BADPAT, /* subpattern name expected */
+ PCRE_REG_BADPAT, /* digit expected after (?+ */
+ PCRE_REG_BADPAT, /* ] is an invalid data character in JavaScript compatibility mode */
+ /* 65 */
+ PCRE_REG_BADPAT, /* different names for subpatterns of the same number are not allowed */
+ PCRE_REG_BADPAT, /* (*MARK) must have an argument */
+ PCRE_REG_INVARG, /* this version of PCRE is not compiled with PCRE_UCP support */
+ PCRE_REG_BADPAT, /* \c must be followed by an ASCII character */
+ PCRE_REG_BADPAT, /* \k is not followed by a braced, angle-bracketed, or quoted name */
+ /* 70 */
+ PCRE_REG_BADPAT, /* internal error: unknown opcode in find_fixedlength() */
+ PCRE_REG_BADPAT, /* \N is not supported in a class */
+ PCRE_REG_BADPAT, /* too many forward references */
+ PCRE_REG_BADPAT, /* disallowed UTF-8/16/32 code point (>= 0xd800 && <= 0xdfff) */
+ PCRE_REG_BADPAT, /* invalid UTF-16 string (should not occur) */
+ /* 75 */
+ PCRE_REG_BADPAT, /* overlong MARK name */
+ PCRE_REG_BADPAT, /* character value in \u.... sequence is too large */
+ PCRE_REG_BADPAT, /* invalid UTF-32 string (should not occur) */
+ PCRE_REG_BADPAT, /* setting UTF is disabled by the application */
+ PCRE_REG_BADPAT, /* non-hex character in \\x{} (closing brace missing?) */
+ /* 80 */
+ PCRE_REG_BADPAT, /* non-octal character in \o{} (closing brace missing?) */
+ PCRE_REG_BADPAT, /* missing opening brace after \o */
+ PCRE_REG_BADPAT, /* parentheses too deeply nested */
+ PCRE_REG_BADPAT, /* invalid range in character class */
+ PCRE_REG_BADPAT, /* group name must start with a non-digit */
+ /* 85 */
+ PCRE_REG_BADPAT, /* parentheses too deeply nested (stack check) */
+ PCRE_REG_BADPAT, /* missing digits in \x{} or \o{} */
+ PCRE_REG_BADPAT /* pattern too complicated */
+};
+
+/* Table of texts corresponding to POSIX error codes */
+
+static const char *const pstring[] = {
+ "", /* Dummy for value 0 */
+ "internal error", /* REG_ASSERT */
+ "invalid repeat counts in {}", /* BADBR */
+ "pattern error", /* BADPAT */
+ "? * + invalid", /* BADRPT */
+ "unbalanced {}", /* EBRACE */
+ "unbalanced []", /* EBRACK */
+ "collation error - not relevant", /* ECOLLATE */
+ "bad class", /* ECTYPE */
+ "bad escape sequence", /* EESCAPE */
+ "empty expression", /* EMPTY */
+ "unbalanced ()", /* EPAREN */
+ "bad range inside []", /* ERANGE */
+ "expression too big", /* ESIZE */
+ "failed to get memory", /* ESPACE */
+ "bad back reference", /* ESUBREG */
+ "bad argument", /* INVARG */
+ "match failed" /* NOMATCH */
+};
+
+
+
+
+/*************************************************
+* Translate error code to string *
+*************************************************/
+
+PCREPOSIX_EXP_DEFN size_t PCRE_CALL_CONVENTION
+pcre_regerror(int errcode, const pcre_regex_t *preg, char *errbuf, size_t errbuf_size)
+{
+const char *message, *addmessage;
+size_t length, addlength;
+
+message = (errcode >= (int)(sizeof(pstring)/sizeof(char *)))?
+ "unknown error code" : pstring[errcode];
+length = strlen(message) + 1;
+
+addmessage = " at offset ";
+addlength = (preg != NULL && (int)preg->re_erroffset != -1)?
+ strlen(addmessage) + 6 : 0;
+
+if (errbuf_size > 0)
+ {
+ if (addlength > 0 && errbuf_size >= length + addlength)
+ sprintf(errbuf, "%s%s%-6d", message, addmessage, (int)preg->re_erroffset);
+ else
+ {
+ strncpy(errbuf, message, errbuf_size - 1);
+ errbuf[errbuf_size-1] = 0;
+ }
+ }
+
+return length + addlength;
+}
+
+
+
+
+/*************************************************
+* Free store held by a regex *
+*************************************************/
+
+PCREPOSIX_EXP_DEFN void PCRE_CALL_CONVENTION
+pcre_regfree(pcre_regex_t *preg)
+{
+(PUBL(free))(preg->re_pcre);
+}
+
+
+
+
+/*************************************************
+* Compile a regular expression *
+*************************************************/
+
+/*
+Arguments:
+ preg points to a structure for recording the compiled expression
+ pattern the pattern to compile
+ cflags compilation flags
+
+Returns: 0 on success
+ various non-zero codes on failure
+*/
+
+PCREPOSIX_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_regcomp(pcre_regex_t *preg, const char *pattern, int cflags)
+{
+const char *errorptr;
+int erroffset;
+int errorcode;
+int options = 0;
+int re_nsub = 0;
+
+if ((cflags & PCRE_REG_ICASE) != 0) options |= PCRE_CASELESS;
+if ((cflags & PCRE_REG_NEWLINE) != 0) options |= PCRE_MULTILINE;
+if ((cflags & PCRE_REG_DOTALL) != 0) options |= PCRE_DOTALL;
+if ((cflags & PCRE_REG_NOSUB) != 0) options |= PCRE_NO_AUTO_CAPTURE;
+if ((cflags & PCRE_REG_UTF8) != 0) options |= PCRE_UTF8;
+if ((cflags & PCRE_REG_UCP) != 0) options |= PCRE_UCP;
+if ((cflags & PCRE_REG_UNGREEDY) != 0) options |= PCRE_UNGREEDY;
+
+preg->re_pcre = pcre_compile2(pattern, options, &errorcode, &errorptr,
+ &erroffset, NULL);
+preg->re_erroffset = erroffset;
+
+/* Safety: if the error code is too big for the translation vector (which
+should not happen, but we all make mistakes), return REG_BADPAT. */
+
+if (preg->re_pcre == NULL)
+ {
+ return (errorcode < (int)(sizeof(eint)/sizeof(const int)))?
+ eint[errorcode] : PCRE_REG_BADPAT;
+ }
+
+(void)pcre_fullinfo((const pcre *)preg->re_pcre, NULL, PCRE_INFO_CAPTURECOUNT,
+ &re_nsub);
+preg->re_nsub = (size_t)re_nsub;
+return 0;
+}
+
+
+
+
+/*************************************************
+* Match a regular expression *
+*************************************************/
+
+/* Unfortunately, PCRE requires 3 ints of working space for each captured
+substring, so we have to get and release working store instead of just using
+the POSIX structures as was done in earlier releases when PCRE needed only 2
+ints. However, if the number of possible capturing brackets is small, use a
+block of store on the stack, to reduce the use of malloc/free. The threshold is
+in a macro that can be changed at configure time.
+
+If REG_NOSUB was specified at compile time, the PCRE_NO_AUTO_CAPTURE flag will
+be set. When this is the case, the nmatch and pmatch arguments are ignored, and
+the only result is yes/no/error. */
+
+PCREPOSIX_EXP_DEFN int PCRE_CALL_CONVENTION
+pcre_regexec(const pcre_regex_t *preg, const char *string, size_t nmatch,
+ pcre_regmatch_t pmatch[], int eflags)
+{
+int rc, so, eo;
+int options = 0;
+int *ovector = NULL;
+int small_ovector[POSIX_MALLOC_THRESHOLD * 3];
+BOOL allocated_ovector = FALSE;
+BOOL nosub =
+ (REAL_PCRE_OPTIONS((const pcre *)preg->re_pcre) & PCRE_NO_AUTO_CAPTURE) != 0;
+
+if ((eflags & PCRE_REG_NOTBOL) != 0) options |= PCRE_NOTBOL;
+if ((eflags & PCRE_REG_NOTEOL) != 0) options |= PCRE_NOTEOL;
+if ((eflags & PCRE_REG_NOTEMPTY) != 0) options |= PCRE_NOTEMPTY;
+
+((pcre_regex_t *)preg)->re_erroffset = (size_t)(-1); /* Only has meaning after compile */
+
+/* When no string data is being returned, or no vector has been passed in which
+to put it, ensure that nmatch is zero. Otherwise, ensure the vector for holding
+the return data is large enough. */
+
+if (nosub || pmatch == NULL) nmatch = 0;
+
+else if (nmatch > 0)
+ {
+ if (nmatch <= POSIX_MALLOC_THRESHOLD)
+ {
+ ovector = &(small_ovector[0]);
+ }
+ else
+ {
+ if (nmatch > INT_MAX/(sizeof(int) * 3)) return PCRE_REG_ESPACE;
+ ovector = (int *)malloc(sizeof(int) * nmatch * 3);
+ if (ovector == NULL) return PCRE_REG_ESPACE;
+ allocated_ovector = TRUE;
+ }
+ }
+
+/* REG_STARTEND is a BSD extension, to allow for non-NUL-terminated strings.
+The man page from OS X says "REG_STARTEND affects only the location of the
+string, not how it is matched". That is why the "so" value is used to bump the
+start location rather than being passed as a PCRE "starting offset". */
+
+if ((eflags & PCRE_REG_STARTEND) != 0)
+ {
+ if (pmatch == NULL) return PCRE_REG_INVARG;
+ so = pmatch[0].rm_so;
+ eo = pmatch[0].rm_eo;
+ }
+else
+ {
+ so = 0;
+ eo = (int)strlen(string);
+ }
+
+rc = pcre_exec((const pcre *)preg->re_pcre, NULL, string + so, (eo - so),
+ 0, options, ovector, (int)(nmatch * 3));
+
+if (rc == 0) rc = (int)nmatch; /* All captured slots were filled in */
+
+/* Successful match */
+
+if (rc >= 0)
+ {
+ size_t i;
+ if (!nosub)
+ {
+ for (i = 0; i < (size_t)rc; i++)
+ {
+ pmatch[i].rm_so = (ovector[i*2] < 0)? -1 : ovector[i*2] + so;
+ pmatch[i].rm_eo = (ovector[i*2+1] < 0)? -1: ovector[i*2+1] + so;
+ }
+ if (allocated_ovector) free(ovector);
+ for (; i < nmatch; i++) pmatch[i].rm_so = pmatch[i].rm_eo = -1;
+ }
+ return 0;
+ }
+
+/* Unsuccessful match */
+
+if (allocated_ovector) free(ovector);
+switch(rc)
+ {
+/* ========================================================================== */
+ /* These cases are never obeyed. This is a fudge that causes a compile-time
+ error if the vector eint, which is indexed by compile-time error number, is
+ not the correct length. It seems to be the only way to do such a check at
+ compile time, as the sizeof() operator does not work in the C preprocessor.
+ As all the PCRE_ERROR_xxx values are negative, we can use 0 and 1. */
+
+ case 0:
+ case (sizeof(eint)/sizeof(int) == ERRCOUNT):
+ return PCRE_REG_ASSERT;
+/* ========================================================================== */
+
+ case PCRE_ERROR_NOMATCH: return PCRE_REG_NOMATCH;
+ case PCRE_ERROR_NULL: return PCRE_REG_INVARG;
+ case PCRE_ERROR_BADOPTION: return PCRE_REG_INVARG;
+ case PCRE_ERROR_BADMAGIC: return PCRE_REG_INVARG;
+ case PCRE_ERROR_UNKNOWN_NODE: return PCRE_REG_ASSERT;
+ case PCRE_ERROR_NOMEMORY: return PCRE_REG_ESPACE;
+ case PCRE_ERROR_MATCHLIMIT: return PCRE_REG_ESPACE;
+ case PCRE_ERROR_BADUTF8: return PCRE_REG_INVARG;
+ case PCRE_ERROR_BADUTF8_OFFSET: return PCRE_REG_INVARG;
+ case PCRE_ERROR_BADMODE: return PCRE_REG_INVARG;
+ default: return PCRE_REG_ASSERT;
+ }
+}
+
+/* End of pcreposix.c */
diff --git a/deps/pcre/pcreposix.h b/deps/pcre/pcreposix.h
new file mode 100644
index 0000000..70a195c
--- /dev/null
+++ b/deps/pcre/pcreposix.h
@@ -0,0 +1,117 @@
+/*************************************************
+* Perl-Compatible Regular Expressions *
+*************************************************/
+
+#ifndef _PCREPOSIX_H
+#define _PCREPOSIX_H
+
+/* This is the header for the POSIX wrapper interface to the PCRE Perl-
+Compatible Regular Expression library. It defines the things POSIX says should
+be there. I hope.
+
+ Copyright (c) 1997-2012 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of the University of Cambridge nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+
+/* Have to include stdlib.h in order to ensure that size_t is defined. */
+
+#include <stdlib.h>
+
+#define PCREPOSIX_EXP_DEFN extern
+#define PCREPOSIX_EXP_DECL extern
+
+/* Options, mostly defined by POSIX, but with some extras. */
+
+#define PCRE_REG_ICASE 0x0001 /* Maps to PCRE_CASELESS */
+#define PCRE_REG_NEWLINE 0x0002 /* Maps to PCRE_MULTILINE */
+#define PCRE_REG_NOTBOL 0x0004 /* Maps to PCRE_NOTBOL */
+#define PCRE_REG_NOTEOL 0x0008 /* Maps to PCRE_NOTEOL */
+#define PCRE_REG_DOTALL 0x0010 /* NOT defined by POSIX; maps to PCRE_DOTALL */
+#define PCRE_REG_NOSUB 0x0020 /* Maps to PCRE_NO_AUTO_CAPTURE */
+#define PCRE_REG_UTF8 0x0040 /* NOT defined by POSIX; maps to PCRE_UTF8 */
+#define PCRE_REG_STARTEND 0x0080 /* BSD feature: pass subject string by so,eo */
+#define PCRE_REG_NOTEMPTY 0x0100 /* NOT defined by POSIX; maps to PCRE_NOTEMPTY */
+#define PCRE_REG_UNGREEDY 0x0200 /* NOT defined by POSIX; maps to PCRE_UNGREEDY */
+#define PCRE_REG_UCP 0x0400 /* NOT defined by POSIX; maps to PCRE_UCP */
+
+/* This is not used by PCRE, but by defining it we make it easier
+to slot PCRE into existing programs that make POSIX calls. */
+
+#define PCRE_REG_EXTENDED 0
+
+/* Error values. Not all these are relevant or used by the wrapper. */
+
+enum {
+ PCRE_REG_ASSERT = 1, /* internal error ? */
+ PCRE_REG_BADBR, /* invalid repeat counts in {} */
+ PCRE_REG_BADPAT, /* pattern error */
+ PCRE_REG_BADRPT, /* ? * + invalid */
+ PCRE_REG_EBRACE, /* unbalanced {} */
+ PCRE_REG_EBRACK, /* unbalanced [] */
+ PCRE_REG_ECOLLATE, /* collation error - not relevant */
+ PCRE_REG_ECTYPE, /* bad class */
+ PCRE_REG_EESCAPE, /* bad escape sequence */
+ PCRE_REG_EMPTY, /* empty expression */
+ PCRE_REG_EPAREN, /* unbalanced () */
+ PCRE_REG_ERANGE, /* bad range inside [] */
+ PCRE_REG_ESIZE, /* expression too big */
+ PCRE_REG_ESPACE, /* failed to get memory */
+ PCRE_REG_ESUBREG, /* bad back reference */
+ PCRE_REG_INVARG, /* bad argument */
+ PCRE_REG_NOMATCH /* match failed */
+};
+
+
+/* The structure representing a compiled regular expression. */
+
+typedef struct {
+ void *re_pcre;
+ size_t re_nsub;
+ size_t re_erroffset;
+} pcre_regex_t;
+
+/* The structure in which a captured offset is returned. */
+
+typedef int pcre_regoff_t;
+
+typedef struct {
+ pcre_regoff_t rm_so;
+ pcre_regoff_t rm_eo;
+} pcre_regmatch_t;
+
+/* The functions */
+
+PCREPOSIX_EXP_DECL int pcre_regcomp(pcre_regex_t *, const char *, int);
+PCREPOSIX_EXP_DECL int pcre_regexec(const pcre_regex_t *, const char *, size_t,
+ pcre_regmatch_t *, int);
+PCREPOSIX_EXP_DECL size_t pcre_regerror(int, const pcre_regex_t *, char *, size_t);
+PCREPOSIX_EXP_DECL void pcre_regfree(pcre_regex_t *);
+
+#endif /* End of pcreposix.h */
diff --git a/deps/pcre/ucp.h b/deps/pcre/ucp.h
new file mode 100644
index 0000000..2fa0029
--- /dev/null
+++ b/deps/pcre/ucp.h
@@ -0,0 +1,224 @@
+/*************************************************
+* Unicode Property Table handler *
+*************************************************/
+
+#ifndef _UCP_H
+#define _UCP_H
+
+/* This file contains definitions of the property values that are returned by
+the UCD access macros. New values that are added for new releases of Unicode
+should always be at the end of each enum, for backwards compatibility.
+
+IMPORTANT: Note also that the specific numeric values of the enums have to be
+the same as the values that are generated by the maint/MultiStage2.py script,
+where the equivalent property descriptive names are listed in vectors.
+
+ALSO: The specific values of the first two enums are assumed for the table
+called catposstab in pcre_compile.c. */
+
+/* These are the general character categories. */
+
+enum {
+ ucp_C, /* Other */
+ ucp_L, /* Letter */
+ ucp_M, /* Mark */
+ ucp_N, /* Number */
+ ucp_P, /* Punctuation */
+ ucp_S, /* Symbol */
+ ucp_Z /* Separator */
+};
+
+/* These are the particular character categories. */
+
+enum {
+ ucp_Cc, /* Control */
+ ucp_Cf, /* Format */
+ ucp_Cn, /* Unassigned */
+ ucp_Co, /* Private use */
+ ucp_Cs, /* Surrogate */
+ ucp_Ll, /* Lower case letter */
+ ucp_Lm, /* Modifier letter */
+ ucp_Lo, /* Other letter */
+ ucp_Lt, /* Title case letter */
+ ucp_Lu, /* Upper case letter */
+ ucp_Mc, /* Spacing mark */
+ ucp_Me, /* Enclosing mark */
+ ucp_Mn, /* Non-spacing mark */
+ ucp_Nd, /* Decimal number */
+ ucp_Nl, /* Letter number */
+ ucp_No, /* Other number */
+ ucp_Pc, /* Connector punctuation */
+ ucp_Pd, /* Dash punctuation */
+ ucp_Pe, /* Close punctuation */
+ ucp_Pf, /* Final punctuation */
+ ucp_Pi, /* Initial punctuation */
+ ucp_Po, /* Other punctuation */
+ ucp_Ps, /* Open punctuation */
+ ucp_Sc, /* Currency symbol */
+ ucp_Sk, /* Modifier symbol */
+ ucp_Sm, /* Mathematical symbol */
+ ucp_So, /* Other symbol */
+ ucp_Zl, /* Line separator */
+ ucp_Zp, /* Paragraph separator */
+ ucp_Zs /* Space separator */
+};
+
+/* These are grapheme break properties. Note that the code for processing them
+assumes that the values are less than 16. If more values are added that take
+the number to 16 or more, the code will have to be rewritten. */
+
+enum {
+ ucp_gbCR, /* 0 */
+ ucp_gbLF, /* 1 */
+ ucp_gbControl, /* 2 */
+ ucp_gbExtend, /* 3 */
+ ucp_gbPrepend, /* 4 */
+ ucp_gbSpacingMark, /* 5 */
+ ucp_gbL, /* 6 Hangul syllable type L */
+ ucp_gbV, /* 7 Hangul syllable type V */
+ ucp_gbT, /* 8 Hangul syllable type T */
+ ucp_gbLV, /* 9 Hangul syllable type LV */
+ ucp_gbLVT, /* 10 Hangul syllable type LVT */
+ ucp_gbRegionalIndicator, /* 11 */
+ ucp_gbOther /* 12 */
+};
+
+/* These are the script identifications. */
+
+enum {
+ ucp_Arabic,
+ ucp_Armenian,
+ ucp_Bengali,
+ ucp_Bopomofo,
+ ucp_Braille,
+ ucp_Buginese,
+ ucp_Buhid,
+ ucp_Canadian_Aboriginal,
+ ucp_Cherokee,
+ ucp_Common,
+ ucp_Coptic,
+ ucp_Cypriot,
+ ucp_Cyrillic,
+ ucp_Deseret,
+ ucp_Devanagari,
+ ucp_Ethiopic,
+ ucp_Georgian,
+ ucp_Glagolitic,
+ ucp_Gothic,
+ ucp_Greek,
+ ucp_Gujarati,
+ ucp_Gurmukhi,
+ ucp_Han,
+ ucp_Hangul,
+ ucp_Hanunoo,
+ ucp_Hebrew,
+ ucp_Hiragana,
+ ucp_Inherited,
+ ucp_Kannada,
+ ucp_Katakana,
+ ucp_Kharoshthi,
+ ucp_Khmer,
+ ucp_Lao,
+ ucp_Latin,
+ ucp_Limbu,
+ ucp_Linear_B,
+ ucp_Malayalam,
+ ucp_Mongolian,
+ ucp_Myanmar,
+ ucp_New_Tai_Lue,
+ ucp_Ogham,
+ ucp_Old_Italic,
+ ucp_Old_Persian,
+ ucp_Oriya,
+ ucp_Osmanya,
+ ucp_Runic,
+ ucp_Shavian,
+ ucp_Sinhala,
+ ucp_Syloti_Nagri,
+ ucp_Syriac,
+ ucp_Tagalog,
+ ucp_Tagbanwa,
+ ucp_Tai_Le,
+ ucp_Tamil,
+ ucp_Telugu,
+ ucp_Thaana,
+ ucp_Thai,
+ ucp_Tibetan,
+ ucp_Tifinagh,
+ ucp_Ugaritic,
+ ucp_Yi,
+ /* New for Unicode 5.0: */
+ ucp_Balinese,
+ ucp_Cuneiform,
+ ucp_Nko,
+ ucp_Phags_Pa,
+ ucp_Phoenician,
+ /* New for Unicode 5.1: */
+ ucp_Carian,
+ ucp_Cham,
+ ucp_Kayah_Li,
+ ucp_Lepcha,
+ ucp_Lycian,
+ ucp_Lydian,
+ ucp_Ol_Chiki,
+ ucp_Rejang,
+ ucp_Saurashtra,
+ ucp_Sundanese,
+ ucp_Vai,
+ /* New for Unicode 5.2: */
+ ucp_Avestan,
+ ucp_Bamum,
+ ucp_Egyptian_Hieroglyphs,
+ ucp_Imperial_Aramaic,
+ ucp_Inscriptional_Pahlavi,
+ ucp_Inscriptional_Parthian,
+ ucp_Javanese,
+ ucp_Kaithi,
+ ucp_Lisu,
+ ucp_Meetei_Mayek,
+ ucp_Old_South_Arabian,
+ ucp_Old_Turkic,
+ ucp_Samaritan,
+ ucp_Tai_Tham,
+ ucp_Tai_Viet,
+ /* New for Unicode 6.0.0: */
+ ucp_Batak,
+ ucp_Brahmi,
+ ucp_Mandaic,
+ /* New for Unicode 6.1.0: */
+ ucp_Chakma,
+ ucp_Meroitic_Cursive,
+ ucp_Meroitic_Hieroglyphs,
+ ucp_Miao,
+ ucp_Sharada,
+ ucp_Sora_Sompeng,
+ ucp_Takri,
+ /* New for Unicode 7.0.0: */
+ ucp_Bassa_Vah,
+ ucp_Caucasian_Albanian,
+ ucp_Duployan,
+ ucp_Elbasan,
+ ucp_Grantha,
+ ucp_Khojki,
+ ucp_Khudawadi,
+ ucp_Linear_A,
+ ucp_Mahajani,
+ ucp_Manichaean,
+ ucp_Mende_Kikakui,
+ ucp_Modi,
+ ucp_Mro,
+ ucp_Nabataean,
+ ucp_Old_North_Arabian,
+ ucp_Old_Permic,
+ ucp_Pahawh_Hmong,
+ ucp_Palmyrene,
+ ucp_Psalter_Pahlavi,
+ ucp_Pau_Cin_Hau,
+ ucp_Siddham,
+ ucp_Tirhuta,
+ ucp_Warang_Citi
+};
+
+#endif
+
+/* End of ucp.h */
diff --git a/deps/regex/CMakeLists.txt b/deps/regex/CMakeLists.txt
deleted file mode 100644
index 141b54c..0000000
--- a/deps/regex/CMakeLists.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-INCLUDE_DIRECTORIES(".")
-ADD_LIBRARY(regex OBJECT "regex.c" "regex.h")
diff --git a/deps/regex/COPYING b/deps/regex/COPYING
deleted file mode 100644
index 4362b49..0000000
--- a/deps/regex/COPYING
+++ /dev/null
@@ -1,502 +0,0 @@
- GNU LESSER GENERAL PUBLIC LICENSE
- Version 2.1, February 1999
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- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-
-Also add information on how to contact you by electronic and paper mail.
-
-You should also get your employer (if you work as a programmer) or your
-school, if any, to sign a "copyright disclaimer" for the library, if
-necessary. Here is a sample; alter the names:
-
- Yoyodyne, Inc., hereby disclaims all copyright interest in the
- library `Frob' (a library for tweaking knobs) written by James Random Hacker.
-
- <signature of Ty Coon>, 1 April 1990
- Ty Coon, President of Vice
-
-That's all there is to it!
diff --git a/deps/regex/config.h b/deps/regex/config.h
deleted file mode 100644
index 9537069..0000000
--- a/deps/regex/config.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _REGEX_CONFIG_H_
-#define _REGEX_CONFIG_H_
-
-# define GAWK
-# define NO_MBSUPPORT
-
-#endif
diff --git a/deps/regex/regcomp.c b/deps/regex/regcomp.c
deleted file mode 100644
index 43bffbc..0000000
--- a/deps/regex/regcomp.c
+++ /dev/null
@@ -1,3857 +0,0 @@
-/* Extended regular expression matching and search library.
- Copyright (C) 2002-2007,2009,2010 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
-
-static reg_errcode_t re_compile_internal (regex_t *preg, const char * pattern,
- size_t length, reg_syntax_t syntax);
-static void re_compile_fastmap_iter (regex_t *bufp,
- const re_dfastate_t *init_state,
- char *fastmap);
-static reg_errcode_t init_dfa (re_dfa_t *dfa, size_t pat_len);
-#ifdef RE_ENABLE_I18N
-static void free_charset (re_charset_t *cset);
-#endif /* RE_ENABLE_I18N */
-static void free_workarea_compile (regex_t *preg);
-static reg_errcode_t create_initial_state (re_dfa_t *dfa);
-#ifdef RE_ENABLE_I18N
-static void optimize_utf8 (re_dfa_t *dfa);
-#endif
-static reg_errcode_t analyze (regex_t *preg);
-static reg_errcode_t preorder (bin_tree_t *root,
- reg_errcode_t (fn (void *, bin_tree_t *)),
- void *extra);
-static reg_errcode_t postorder (bin_tree_t *root,
- reg_errcode_t (fn (void *, bin_tree_t *)),
- void *extra);
-static reg_errcode_t optimize_subexps (void *extra, bin_tree_t *node);
-static reg_errcode_t lower_subexps (void *extra, bin_tree_t *node);
-static bin_tree_t *lower_subexp (reg_errcode_t *err, regex_t *preg,
- bin_tree_t *node);
-static reg_errcode_t calc_first (void *extra, bin_tree_t *node);
-static reg_errcode_t calc_next (void *extra, bin_tree_t *node);
-static reg_errcode_t link_nfa_nodes (void *extra, bin_tree_t *node);
-static int duplicate_node (re_dfa_t *dfa, int org_idx, unsigned int constraint);
-static int search_duplicated_node (const re_dfa_t *dfa, int org_node,
- unsigned int constraint);
-static reg_errcode_t calc_eclosure (re_dfa_t *dfa);
-static reg_errcode_t calc_eclosure_iter (re_node_set *new_set, re_dfa_t *dfa,
- int node, int root);
-static reg_errcode_t calc_inveclosure (re_dfa_t *dfa);
-static int fetch_number (re_string_t *input, re_token_t *token,
- reg_syntax_t syntax);
-static int peek_token (re_token_t *token, re_string_t *input,
- reg_syntax_t syntax) internal_function;
-static bin_tree_t *parse (re_string_t *regexp, regex_t *preg,
- reg_syntax_t syntax, reg_errcode_t *err);
-static bin_tree_t *parse_reg_exp (re_string_t *regexp, regex_t *preg,
- re_token_t *token, reg_syntax_t syntax,
- int nest, reg_errcode_t *err);
-static bin_tree_t *parse_branch (re_string_t *regexp, regex_t *preg,
- re_token_t *token, reg_syntax_t syntax,
- int nest, reg_errcode_t *err);
-static bin_tree_t *parse_expression (re_string_t *regexp, regex_t *preg,
- re_token_t *token, reg_syntax_t syntax,
- int nest, reg_errcode_t *err);
-static bin_tree_t *parse_sub_exp (re_string_t *regexp, regex_t *preg,
- re_token_t *token, reg_syntax_t syntax,
- int nest, reg_errcode_t *err);
-static bin_tree_t *parse_dup_op (bin_tree_t *dup_elem, re_string_t *regexp,
- re_dfa_t *dfa, re_token_t *token,
- reg_syntax_t syntax, reg_errcode_t *err);
-static bin_tree_t *parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa,
- re_token_t *token, reg_syntax_t syntax,
- reg_errcode_t *err);
-static reg_errcode_t parse_bracket_element (bracket_elem_t *elem,
- re_string_t *regexp,
- re_token_t *token, int token_len,
- re_dfa_t *dfa,
- reg_syntax_t syntax,
- int accept_hyphen);
-static reg_errcode_t parse_bracket_symbol (bracket_elem_t *elem,
- re_string_t *regexp,
- re_token_t *token);
-#ifdef RE_ENABLE_I18N
-static reg_errcode_t build_equiv_class (bitset_t sbcset,
- re_charset_t *mbcset,
- int *equiv_class_alloc,
- const unsigned char *name);
-static reg_errcode_t build_charclass (RE_TRANSLATE_TYPE trans,
- bitset_t sbcset,
- re_charset_t *mbcset,
- int *char_class_alloc,
- const char *class_name,
- reg_syntax_t syntax);
-#else /* not RE_ENABLE_I18N */
-static reg_errcode_t build_equiv_class (bitset_t sbcset,
- const unsigned char *name);
-static reg_errcode_t build_charclass (RE_TRANSLATE_TYPE trans,
- bitset_t sbcset,
- const char *class_name,
- reg_syntax_t syntax);
-#endif /* not RE_ENABLE_I18N */
-static bin_tree_t *build_charclass_op (re_dfa_t *dfa,
- RE_TRANSLATE_TYPE trans,
- const char *class_name,
- const char *extra,
- int non_match, reg_errcode_t *err);
-static bin_tree_t *create_tree (re_dfa_t *dfa,
- bin_tree_t *left, bin_tree_t *right,
- re_token_type_t type);
-static bin_tree_t *create_token_tree (re_dfa_t *dfa,
- bin_tree_t *left, bin_tree_t *right,
- const re_token_t *token);
-static bin_tree_t *duplicate_tree (const bin_tree_t *src, re_dfa_t *dfa);
-static void free_token (re_token_t *node);
-static reg_errcode_t free_tree (void *extra, bin_tree_t *node);
-static reg_errcode_t mark_opt_subexp (void *extra, bin_tree_t *node);
-
-/* This table gives an error message for each of the error codes listed
- in regex.h. Obviously the order here has to be same as there.
- POSIX doesn't require that we do anything for REG_NOERROR,
- but why not be nice? */
-
-const char __re_error_msgid[] attribute_hidden =
- {
-#define REG_NOERROR_IDX 0
- gettext_noop ("Success") /* REG_NOERROR */
- "\0"
-#define REG_NOMATCH_IDX (REG_NOERROR_IDX + sizeof "Success")
- gettext_noop ("No match") /* REG_NOMATCH */
- "\0"
-#define REG_BADPAT_IDX (REG_NOMATCH_IDX + sizeof "No match")
- gettext_noop ("Invalid regular expression") /* REG_BADPAT */
- "\0"
-#define REG_ECOLLATE_IDX (REG_BADPAT_IDX + sizeof "Invalid regular expression")
- gettext_noop ("Invalid collation character") /* REG_ECOLLATE */
- "\0"
-#define REG_ECTYPE_IDX (REG_ECOLLATE_IDX + sizeof "Invalid collation character")
- gettext_noop ("Invalid character class name") /* REG_ECTYPE */
- "\0"
-#define REG_EESCAPE_IDX (REG_ECTYPE_IDX + sizeof "Invalid character class name")
- gettext_noop ("Trailing backslash") /* REG_EESCAPE */
- "\0"
-#define REG_ESUBREG_IDX (REG_EESCAPE_IDX + sizeof "Trailing backslash")
- gettext_noop ("Invalid back reference") /* REG_ESUBREG */
- "\0"
-#define REG_EBRACK_IDX (REG_ESUBREG_IDX + sizeof "Invalid back reference")
- gettext_noop ("Unmatched [ or [^") /* REG_EBRACK */
- "\0"
-#define REG_EPAREN_IDX (REG_EBRACK_IDX + sizeof "Unmatched [ or [^")
- gettext_noop ("Unmatched ( or \\(") /* REG_EPAREN */
- "\0"
-#define REG_EBRACE_IDX (REG_EPAREN_IDX + sizeof "Unmatched ( or \\(")
- gettext_noop ("Unmatched \\{") /* REG_EBRACE */
- "\0"
-#define REG_BADBR_IDX (REG_EBRACE_IDX + sizeof "Unmatched \\{")
- gettext_noop ("Invalid content of \\{\\}") /* REG_BADBR */
- "\0"
-#define REG_ERANGE_IDX (REG_BADBR_IDX + sizeof "Invalid content of \\{\\}")
- gettext_noop ("Invalid range end") /* REG_ERANGE */
- "\0"
-#define REG_ESPACE_IDX (REG_ERANGE_IDX + sizeof "Invalid range end")
- gettext_noop ("Memory exhausted") /* REG_ESPACE */
- "\0"
-#define REG_BADRPT_IDX (REG_ESPACE_IDX + sizeof "Memory exhausted")
- gettext_noop ("Invalid preceding regular expression") /* REG_BADRPT */
- "\0"
-#define REG_EEND_IDX (REG_BADRPT_IDX + sizeof "Invalid preceding regular expression")
- gettext_noop ("Premature end of regular expression") /* REG_EEND */
- "\0"
-#define REG_ESIZE_IDX (REG_EEND_IDX + sizeof "Premature end of regular expression")
- gettext_noop ("Regular expression too big") /* REG_ESIZE */
- "\0"
-#define REG_ERPAREN_IDX (REG_ESIZE_IDX + sizeof "Regular expression too big")
- gettext_noop ("Unmatched ) or \\)") /* REG_ERPAREN */
- };
-
-const size_t __re_error_msgid_idx[] attribute_hidden =
- {
- REG_NOERROR_IDX,
- REG_NOMATCH_IDX,
- REG_BADPAT_IDX,
- REG_ECOLLATE_IDX,
- REG_ECTYPE_IDX,
- REG_EESCAPE_IDX,
- REG_ESUBREG_IDX,
- REG_EBRACK_IDX,
- REG_EPAREN_IDX,
- REG_EBRACE_IDX,
- REG_BADBR_IDX,
- REG_ERANGE_IDX,
- REG_ESPACE_IDX,
- REG_BADRPT_IDX,
- REG_EEND_IDX,
- REG_ESIZE_IDX,
- REG_ERPAREN_IDX
- };
-
-/* Entry points for GNU code. */
-
-
-#ifdef ZOS_USS
-
-/* For ZOS USS we must define btowc */
-
-wchar_t
-btowc (int c)
-{
- wchar_t wtmp[2];
- char tmp[2];
-
- tmp[0] = c;
- tmp[1] = 0;
-
- mbtowc (wtmp, tmp, 1);
- return wtmp[0];
-}
-#endif
-
-/* re_compile_pattern is the GNU regular expression compiler: it
- compiles PATTERN (of length LENGTH) and puts the result in BUFP.
- Returns 0 if the pattern was valid, otherwise an error string.
-
- Assumes the `allocated' (and perhaps `buffer') and `translate' fields
- are set in BUFP on entry. */
-
-const char *
-re_compile_pattern (const char *pattern,
- size_t length,
- struct re_pattern_buffer *bufp)
-{
- reg_errcode_t ret;
-
- /* And GNU code determines whether or not to get register information
- by passing null for the REGS argument to re_match, etc., not by
- setting no_sub, unless RE_NO_SUB is set. */
- bufp->no_sub = !!(re_syntax_options & RE_NO_SUB);
-
- /* Match anchors at newline. */
- bufp->newline_anchor = 1;
-
- ret = re_compile_internal (bufp, pattern, length, re_syntax_options);
-
- if (!ret)
- return NULL;
- return gettext (__re_error_msgid + __re_error_msgid_idx[(int) ret]);
-}
-#ifdef _LIBC
-weak_alias (__re_compile_pattern, re_compile_pattern)
-#endif
-
-/* Set by `re_set_syntax' to the current regexp syntax to recognize. Can
- also be assigned to arbitrarily: each pattern buffer stores its own
- syntax, so it can be changed between regex compilations. */
-/* This has no initializer because initialized variables in Emacs
- become read-only after dumping. */
-reg_syntax_t re_syntax_options;
-
-
-/* Specify the precise syntax of regexps for compilation. This provides
- for compatibility for various utilities which historically have
- different, incompatible syntaxes.
-
- The argument SYNTAX is a bit mask comprised of the various bits
- defined in regex.h. We return the old syntax. */
-
-reg_syntax_t
-re_set_syntax (reg_syntax_t syntax)
-{
- reg_syntax_t ret = re_syntax_options;
-
- re_syntax_options = syntax;
- return ret;
-}
-#ifdef _LIBC
-weak_alias (__re_set_syntax, re_set_syntax)
-#endif
-
-int
-re_compile_fastmap (struct re_pattern_buffer *bufp)
-{
- re_dfa_t *dfa = (re_dfa_t *) bufp->buffer;
- char *fastmap = bufp->fastmap;
-
- memset (fastmap, '\0', sizeof (char) * SBC_MAX);
- re_compile_fastmap_iter (bufp, dfa->init_state, fastmap);
- if (dfa->init_state != dfa->init_state_word)
- re_compile_fastmap_iter (bufp, dfa->init_state_word, fastmap);
- if (dfa->init_state != dfa->init_state_nl)
- re_compile_fastmap_iter (bufp, dfa->init_state_nl, fastmap);
- if (dfa->init_state != dfa->init_state_begbuf)
- re_compile_fastmap_iter (bufp, dfa->init_state_begbuf, fastmap);
- bufp->fastmap_accurate = 1;
- return 0;
-}
-#ifdef _LIBC
-weak_alias (__re_compile_fastmap, re_compile_fastmap)
-#endif
-
-static inline void
-__attribute ((always_inline))
-re_set_fastmap (char *fastmap, int icase, int ch)
-{
- fastmap[ch] = 1;
- if (icase)
- fastmap[tolower (ch)] = 1;
-}
-
-/* Helper function for re_compile_fastmap.
- Compile fastmap for the initial_state INIT_STATE. */
-
-static void
-re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,
- char *fastmap)
-{
- volatile re_dfa_t *dfa = (re_dfa_t *) bufp->buffer;
- int node_cnt;
- int icase = (dfa->mb_cur_max == 1 && (bufp->syntax & RE_ICASE));
- for (node_cnt = 0; node_cnt < init_state->nodes.nelem; ++node_cnt)
- {
- int node = init_state->nodes.elems[node_cnt];
- re_token_type_t type = dfa->nodes[node].type;
-
- if (type == CHARACTER)
- {
- re_set_fastmap (fastmap, icase, dfa->nodes[node].opr.c);
-#ifdef RE_ENABLE_I18N
- if ((bufp->syntax & RE_ICASE) && dfa->mb_cur_max > 1)
- {
- unsigned char *buf = re_malloc (unsigned char, dfa->mb_cur_max), *p;
- wchar_t wc;
- mbstate_t state;
-
- p = buf;
- *p++ = dfa->nodes[node].opr.c;
- while (++node < dfa->nodes_len
- && dfa->nodes[node].type == CHARACTER
- && dfa->nodes[node].mb_partial)
- *p++ = dfa->nodes[node].opr.c;
- memset (&state, '\0', sizeof (state));
- if (__mbrtowc (&wc, (const char *) buf, p - buf,
- &state) == p - buf
- && (__wcrtomb ((char *) buf, towlower (wc), &state)
- != (size_t) -1))
- re_set_fastmap (fastmap, 0, buf[0]);
- re_free (buf);
- }
-#endif
- }
- else if (type == SIMPLE_BRACKET)
- {
- int i, ch;
- for (i = 0, ch = 0; i < BITSET_WORDS; ++i)
- {
- int j;
- bitset_word_t w = dfa->nodes[node].opr.sbcset[i];
- for (j = 0; j < BITSET_WORD_BITS; ++j, ++ch)
- if (w & ((bitset_word_t) 1 << j))
- re_set_fastmap (fastmap, icase, ch);
- }
- }
-#ifdef RE_ENABLE_I18N
- else if (type == COMPLEX_BRACKET)
- {
- re_charset_t *cset = dfa->nodes[node].opr.mbcset;
- int i;
-
-# ifdef _LIBC
- /* See if we have to try all bytes which start multiple collation
- elements.
- e.g. In da_DK, we want to catch 'a' since "aa" is a valid
- collation element, and don't catch 'b' since 'b' is
- the only collation element which starts from 'b' (and
- it is caught by SIMPLE_BRACKET). */
- if (_NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES) != 0
- && (cset->ncoll_syms || cset->nranges))
- {
- const int32_t *table = (const int32_t *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
- for (i = 0; i < SBC_MAX; ++i)
- if (table[i] < 0)
- re_set_fastmap (fastmap, icase, i);
- }
-# endif /* _LIBC */
-
- /* See if we have to start the match at all multibyte characters,
- i.e. where we would not find an invalid sequence. This only
- applies to multibyte character sets; for single byte character
- sets, the SIMPLE_BRACKET again suffices. */
- if (dfa->mb_cur_max > 1
- && (cset->nchar_classes || cset->non_match || cset->nranges
-# ifdef _LIBC
- || cset->nequiv_classes
-# endif /* _LIBC */
- ))
- {
- unsigned char c = 0;
- do
- {
- mbstate_t mbs;
- memset (&mbs, 0, sizeof (mbs));
- if (__mbrtowc (NULL, (char *) &c, 1, &mbs) == (size_t) -2)
- re_set_fastmap (fastmap, false, (int) c);
- }
- while (++c != 0);
- }
-
- else
- {
- /* ... Else catch all bytes which can start the mbchars. */
- for (i = 0; i < cset->nmbchars; ++i)
- {
- char buf[256];
- mbstate_t state;
- memset (&state, '\0', sizeof (state));
- if (__wcrtomb (buf, cset->mbchars[i], &state) != (size_t) -1)
- re_set_fastmap (fastmap, icase, *(unsigned char *) buf);
- if ((bufp->syntax & RE_ICASE) && dfa->mb_cur_max > 1)
- {
- if (__wcrtomb (buf, towlower (cset->mbchars[i]), &state)
- != (size_t) -1)
- re_set_fastmap (fastmap, false, *(unsigned char *) buf);
- }
- }
- }
- }
-#endif /* RE_ENABLE_I18N */
- else if (type == OP_PERIOD
-#ifdef RE_ENABLE_I18N
- || type == OP_UTF8_PERIOD
-#endif /* RE_ENABLE_I18N */
- || type == END_OF_RE)
- {
- memset (fastmap, '\1', sizeof (char) * SBC_MAX);
- if (type == END_OF_RE)
- bufp->can_be_null = 1;
- return;
- }
- }
-}
-
-/* Entry point for POSIX code. */
-/* regcomp takes a regular expression as a string and compiles it.
-
- PREG is a regex_t *. We do not expect any fields to be initialized,
- since POSIX says we shouldn't. Thus, we set
-
- `buffer' to the compiled pattern;
- `used' to the length of the compiled pattern;
- `syntax' to RE_SYNTAX_POSIX_EXTENDED if the
- REG_EXTENDED bit in CFLAGS is set; otherwise, to
- RE_SYNTAX_POSIX_BASIC;
- `newline_anchor' to REG_NEWLINE being set in CFLAGS;
- `fastmap' to an allocated space for the fastmap;
- `fastmap_accurate' to zero;
- `re_nsub' to the number of subexpressions in PATTERN.
-
- PATTERN is the address of the pattern string.
-
- CFLAGS is a series of bits which affect compilation.
-
- If REG_EXTENDED is set, we use POSIX extended syntax; otherwise, we
- use POSIX basic syntax.
-
- If REG_NEWLINE is set, then . and [^...] don't match newline.
- Also, regexec will try a match beginning after every newline.
-
- If REG_ICASE is set, then we considers upper- and lowercase
- versions of letters to be equivalent when matching.
-
- If REG_NOSUB is set, then when PREG is passed to regexec, that
- routine will report only success or failure, and nothing about the
- registers.
-
- It returns 0 if it succeeds, nonzero if it doesn't. (See regex.h for
- the return codes and their meanings.) */
-
-int
-regcomp (regex_t *__restrict preg,
- const char *__restrict pattern,
- int cflags)
-{
- reg_errcode_t ret;
- reg_syntax_t syntax = ((cflags & REG_EXTENDED) ? RE_SYNTAX_POSIX_EXTENDED
- : RE_SYNTAX_POSIX_BASIC);
-
- preg->buffer = NULL;
- preg->allocated = 0;
- preg->used = 0;
-
- /* Try to allocate space for the fastmap. */
- preg->fastmap = re_malloc (char, SBC_MAX);
- if (BE (preg->fastmap == NULL, 0))
- return REG_ESPACE;
-
- syntax |= (cflags & REG_ICASE) ? RE_ICASE : 0;
-
- /* If REG_NEWLINE is set, newlines are treated differently. */
- if (cflags & REG_NEWLINE)
- { /* REG_NEWLINE implies neither . nor [^...] match newline. */
- syntax &= ~RE_DOT_NEWLINE;
- syntax |= RE_HAT_LISTS_NOT_NEWLINE;
- /* It also changes the matching behavior. */
- preg->newline_anchor = 1;
- }
- else
- preg->newline_anchor = 0;
- preg->no_sub = !!(cflags & REG_NOSUB);
- preg->translate = NULL;
-
- ret = re_compile_internal (preg, pattern, strlen (pattern), syntax);
-
- /* POSIX doesn't distinguish between an unmatched open-group and an
- unmatched close-group: both are REG_EPAREN. */
- if (ret == REG_ERPAREN)
- ret = REG_EPAREN;
-
- /* We have already checked preg->fastmap != NULL. */
- if (BE (ret == REG_NOERROR, 1))
- /* Compute the fastmap now, since regexec cannot modify the pattern
- buffer. This function never fails in this implementation. */
- (void) re_compile_fastmap (preg);
- else
- {
- /* Some error occurred while compiling the expression. */
- re_free (preg->fastmap);
- preg->fastmap = NULL;
- }
-
- return (int) ret;
-}
-#ifdef _LIBC
-weak_alias (__regcomp, regcomp)
-#endif
-
-/* Returns a message corresponding to an error code, ERRCODE, returned
- from either regcomp or regexec. We don't use PREG here. */
-
-size_t
-regerror(int errcode, UNUSED const regex_t *__restrict preg,
- char *__restrict errbuf, size_t errbuf_size)
-{
- const char *msg;
- size_t msg_size;
-
- if (BE (errcode < 0
- || errcode >= (int) (sizeof (__re_error_msgid_idx)
- / sizeof (__re_error_msgid_idx[0])), 0))
- /* Only error codes returned by the rest of the code should be passed
- to this routine. If we are given anything else, or if other regex
- code generates an invalid error code, then the program has a bug.
- Dump core so we can fix it. */
- abort ();
-
- msg = gettext (__re_error_msgid + __re_error_msgid_idx[errcode]);
-
- msg_size = strlen (msg) + 1; /* Includes the null. */
-
- if (BE (errbuf_size != 0, 1))
- {
- if (BE (msg_size > errbuf_size, 0))
- {
- memcpy (errbuf, msg, errbuf_size - 1);
- errbuf[errbuf_size - 1] = 0;
- }
- else
- memcpy (errbuf, msg, msg_size);
- }
-
- return msg_size;
-}
-#ifdef _LIBC
-weak_alias (__regerror, regerror)
-#endif
-
-
-#ifdef RE_ENABLE_I18N
-/* This static array is used for the map to single-byte characters when
- UTF-8 is used. Otherwise we would allocate memory just to initialize
- it the same all the time. UTF-8 is the preferred encoding so this is
- a worthwhile optimization. */
-#if __GNUC__ >= 3
-static const bitset_t utf8_sb_map = {
- /* Set the first 128 bits. */
- [0 ... 0x80 / BITSET_WORD_BITS - 1] = BITSET_WORD_MAX
-};
-#else /* ! (__GNUC__ >= 3) */
-static bitset_t utf8_sb_map;
-#endif /* __GNUC__ >= 3 */
-#endif /* RE_ENABLE_I18N */
-
-
-static void
-free_dfa_content (re_dfa_t *dfa)
-{
- unsigned int i;
- int j;
-
- if (dfa->nodes)
- for (i = 0; i < dfa->nodes_len; ++i)
- free_token (dfa->nodes + i);
- re_free (dfa->nexts);
- for (i = 0; i < dfa->nodes_len; ++i)
- {
- if (dfa->eclosures != NULL)
- re_node_set_free (dfa->eclosures + i);
- if (dfa->inveclosures != NULL)
- re_node_set_free (dfa->inveclosures + i);
- if (dfa->edests != NULL)
- re_node_set_free (dfa->edests + i);
- }
- re_free (dfa->edests);
- re_free (dfa->eclosures);
- re_free (dfa->inveclosures);
- re_free (dfa->nodes);
-
- if (dfa->state_table)
- for (i = 0; i <= dfa->state_hash_mask; ++i)
- {
- struct re_state_table_entry *entry = dfa->state_table + i;
- for (j = 0; j < entry->num; ++j)
- {
- re_dfastate_t *state = entry->array[j];
- free_state (state);
- }
- re_free (entry->array);
- }
- re_free (dfa->state_table);
-#ifdef RE_ENABLE_I18N
- if (dfa->sb_char != utf8_sb_map)
- re_free (dfa->sb_char);
-#endif
- re_free (dfa->subexp_map);
-#ifdef DEBUG
- re_free (dfa->re_str);
-#endif
-
- re_free (dfa);
-}
-
-
-/* Free dynamically allocated space used by PREG. */
-
-void
-regfree (regex_t *preg)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- if (BE (dfa != NULL, 1))
- free_dfa_content (dfa);
- preg->buffer = NULL;
- preg->allocated = 0;
-
- re_free (preg->fastmap);
- preg->fastmap = NULL;
-
- re_free (preg->translate);
- preg->translate = NULL;
-}
-#ifdef _LIBC
-weak_alias (__regfree, regfree)
-#endif
-
-/* Entry points compatible with 4.2 BSD regex library. We don't define
- them unless specifically requested. */
-
-#if defined _REGEX_RE_COMP || defined _LIBC
-
-/* BSD has one and only one pattern buffer. */
-static struct re_pattern_buffer re_comp_buf;
-
-char *
-# ifdef _LIBC
-/* Make these definitions weak in libc, so POSIX programs can redefine
- these names if they don't use our functions, and still use
- regcomp/regexec above without link errors. */
-weak_function
-# endif
-re_comp (s)
- const char *s;
-{
- reg_errcode_t ret;
- char *fastmap;
-
- if (!s)
- {
- if (!re_comp_buf.buffer)
- return gettext ("No previous regular expression");
- return 0;
- }
-
- if (re_comp_buf.buffer)
- {
- fastmap = re_comp_buf.fastmap;
- re_comp_buf.fastmap = NULL;
- __regfree (&re_comp_buf);
- memset (&re_comp_buf, '\0', sizeof (re_comp_buf));
- re_comp_buf.fastmap = fastmap;
- }
-
- if (re_comp_buf.fastmap == NULL)
- {
- re_comp_buf.fastmap = (char *) malloc (SBC_MAX);
- if (re_comp_buf.fastmap == NULL)
- return (char *) gettext (__re_error_msgid
- + __re_error_msgid_idx[(int) REG_ESPACE]);
- }
-
- /* Since `re_exec' always passes NULL for the `regs' argument, we
- don't need to initialize the pattern buffer fields which affect it. */
-
- /* Match anchors at newlines. */
- re_comp_buf.newline_anchor = 1;
-
- ret = re_compile_internal (&re_comp_buf, s, strlen (s), re_syntax_options);
-
- if (!ret)
- return NULL;
-
- /* Yes, we're discarding `const' here if !HAVE_LIBINTL. */
- return (char *) gettext (__re_error_msgid + __re_error_msgid_idx[(int) ret]);
-}
-
-#ifdef _LIBC
-libc_freeres_fn (free_mem)
-{
- __regfree (&re_comp_buf);
-}
-#endif
-
-#endif /* _REGEX_RE_COMP */
-
-/* Internal entry point.
- Compile the regular expression PATTERN, whose length is LENGTH.
- SYNTAX indicate regular expression's syntax. */
-
-static reg_errcode_t
-re_compile_internal (regex_t *preg, const char * pattern, size_t length,
- reg_syntax_t syntax)
-{
- reg_errcode_t err = REG_NOERROR;
- re_dfa_t *dfa;
- re_string_t regexp;
-
- /* Initialize the pattern buffer. */
- preg->fastmap_accurate = 0;
- preg->syntax = syntax;
- preg->not_bol = preg->not_eol = 0;
- preg->used = 0;
- preg->re_nsub = 0;
- preg->can_be_null = 0;
- preg->regs_allocated = REGS_UNALLOCATED;
-
- /* Initialize the dfa. */
- dfa = (re_dfa_t *) preg->buffer;
- if (BE (preg->allocated < sizeof (re_dfa_t), 0))
- {
- /* If zero allocated, but buffer is non-null, try to realloc
- enough space. This loses if buffer's address is bogus, but
- that is the user's responsibility. If ->buffer is NULL this
- is a simple allocation. */
- dfa = re_realloc (preg->buffer, re_dfa_t, 1);
- if (dfa == NULL)
- return REG_ESPACE;
- preg->allocated = sizeof (re_dfa_t);
- preg->buffer = (unsigned char *) dfa;
- }
- preg->used = sizeof (re_dfa_t);
-
- err = init_dfa (dfa, length);
- if (BE (err != REG_NOERROR, 0))
- {
- free_dfa_content (dfa);
- preg->buffer = NULL;
- preg->allocated = 0;
- return err;
- }
-#ifdef DEBUG
- /* Note: length+1 will not overflow since it is checked in init_dfa. */
- dfa->re_str = re_malloc (char, length + 1);
- strncpy (dfa->re_str, pattern, length + 1);
-#endif
-
- __libc_lock_init (dfa->lock);
-
- err = re_string_construct (®exp, pattern, length, preg->translate,
- syntax & RE_ICASE, dfa);
- if (BE (err != REG_NOERROR, 0))
- {
- re_compile_internal_free_return:
- free_workarea_compile (preg);
- re_string_destruct (®exp);
- free_dfa_content (dfa);
- preg->buffer = NULL;
- preg->allocated = 0;
- return err;
- }
-
- /* Parse the regular expression, and build a structure tree. */
- preg->re_nsub = 0;
- dfa->str_tree = parse (®exp, preg, syntax, &err);
- if (BE (dfa->str_tree == NULL, 0))
- goto re_compile_internal_free_return;
-
- /* Analyze the tree and create the nfa. */
- err = analyze (preg);
- if (BE (err != REG_NOERROR, 0))
- goto re_compile_internal_free_return;
-
-#ifdef RE_ENABLE_I18N
- /* If possible, do searching in single byte encoding to speed things up. */
- if (dfa->is_utf8 && !(syntax & RE_ICASE) && preg->translate == NULL)
- optimize_utf8 (dfa);
-#endif
-
- /* Then create the initial state of the dfa. */
- err = create_initial_state (dfa);
-
- /* Release work areas. */
- free_workarea_compile (preg);
- re_string_destruct (®exp);
-
- if (BE (err != REG_NOERROR, 0))
- {
- free_dfa_content (dfa);
- preg->buffer = NULL;
- preg->allocated = 0;
- }
-
- return err;
-}
-
-/* Initialize DFA. We use the length of the regular expression PAT_LEN
- as the initial length of some arrays. */
-
-static reg_errcode_t
-init_dfa (re_dfa_t *dfa, size_t pat_len)
-{
- unsigned int table_size;
-
- memset (dfa, '\0', sizeof (re_dfa_t));
-
- /* Force allocation of str_tree_storage the first time. */
- dfa->str_tree_storage_idx = BIN_TREE_STORAGE_SIZE;
-
- /* Avoid overflows. */
- if (pat_len == SIZE_MAX)
- return REG_ESPACE;
-
- dfa->nodes_alloc = pat_len + 1;
- dfa->nodes = re_malloc (re_token_t, dfa->nodes_alloc);
-
- /* table_size = 2 ^ ceil(log pat_len) */
- for (table_size = 1; ; table_size <<= 1)
- if (table_size > pat_len)
- break;
-
- dfa->state_table = calloc (sizeof (struct re_state_table_entry), table_size);
- dfa->state_hash_mask = table_size - 1;
-
- dfa->mb_cur_max = MB_CUR_MAX;
-#ifdef _LIBC
- if (dfa->mb_cur_max == 6
- && strcmp (_NL_CURRENT (LC_CTYPE, _NL_CTYPE_CODESET_NAME), "UTF-8") == 0)
- dfa->is_utf8 = 1;
- dfa->map_notascii = (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_TO_NONASCII)
- != 0);
-#else
- dfa->is_utf8 = 1;
- /* We check exhaustively in the loop below if this charset is a
- superset of ASCII. */
- dfa->map_notascii = 0;
-#endif
-
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- {
- if (dfa->is_utf8)
- {
-#if !defined(__GNUC__) || __GNUC__ < 3
- static short utf8_sb_map_inited = 0;
-
- if (! utf8_sb_map_inited)
- {
- int i;
-
- utf8_sb_map_inited = 0;
- for (i = 0; i <= 0x80 / BITSET_WORD_BITS - 1; i++)
- utf8_sb_map[i] = BITSET_WORD_MAX;
- }
-#endif
- dfa->sb_char = (re_bitset_ptr_t) utf8_sb_map;
- }
- else
- {
- int i, j, ch;
-
- dfa->sb_char = (re_bitset_ptr_t) calloc (sizeof (bitset_t), 1);
- if (BE (dfa->sb_char == NULL, 0))
- return REG_ESPACE;
-
- /* Set the bits corresponding to single byte chars. */
- for (i = 0, ch = 0; i < BITSET_WORDS; ++i)
- for (j = 0; j < BITSET_WORD_BITS; ++j, ++ch)
- {
- wint_t wch = __btowc (ch);
- if (wch != WEOF)
- dfa->sb_char[i] |= (bitset_word_t) 1 << j;
-# ifndef _LIBC
- if (isascii (ch) && wch != ch)
- dfa->map_notascii = 1;
-# endif
- }
- }
- }
-#endif
-
- if (BE (dfa->nodes == NULL || dfa->state_table == NULL, 0))
- return REG_ESPACE;
- return REG_NOERROR;
-}
-
-/* Initialize WORD_CHAR table, which indicate which character is
- "word". In this case "word" means that it is the word construction
- character used by some operators like "\<", "\>", etc. */
-
-static void
-internal_function
-init_word_char (re_dfa_t *dfa)
-{
- int i, j, ch;
- dfa->word_ops_used = 1;
- for (i = 0, ch = 0; i < BITSET_WORDS; ++i)
- for (j = 0; j < BITSET_WORD_BITS; ++j, ++ch)
- if (isalnum (ch) || ch == '_')
- dfa->word_char[i] |= (bitset_word_t) 1 << j;
-}
-
-/* Free the work area which are only used while compiling. */
-
-static void
-free_workarea_compile (regex_t *preg)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- bin_tree_storage_t *storage, *next;
- for (storage = dfa->str_tree_storage; storage; storage = next)
- {
- next = storage->next;
- re_free (storage);
- }
- dfa->str_tree_storage = NULL;
- dfa->str_tree_storage_idx = BIN_TREE_STORAGE_SIZE;
- dfa->str_tree = NULL;
- re_free (dfa->org_indices);
- dfa->org_indices = NULL;
-}
-
-/* Create initial states for all contexts. */
-
-static reg_errcode_t
-create_initial_state (re_dfa_t *dfa)
-{
- int first, i;
- reg_errcode_t err;
- re_node_set init_nodes;
-
- /* Initial states have the epsilon closure of the node which is
- the first node of the regular expression. */
- first = dfa->str_tree->first->node_idx;
- dfa->init_node = first;
- err = re_node_set_init_copy (&init_nodes, dfa->eclosures + first);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- /* The back-references which are in initial states can epsilon transit,
- since in this case all of the subexpressions can be null.
- Then we add epsilon closures of the nodes which are the next nodes of
- the back-references. */
- if (dfa->nbackref > 0)
- for (i = 0; i < init_nodes.nelem; ++i)
- {
- int node_idx = init_nodes.elems[i];
- re_token_type_t type = dfa->nodes[node_idx].type;
-
- int clexp_idx;
- if (type != OP_BACK_REF)
- continue;
- for (clexp_idx = 0; clexp_idx < init_nodes.nelem; ++clexp_idx)
- {
- re_token_t *clexp_node;
- clexp_node = dfa->nodes + init_nodes.elems[clexp_idx];
- if (clexp_node->type == OP_CLOSE_SUBEXP
- && clexp_node->opr.idx == dfa->nodes[node_idx].opr.idx)
- break;
- }
- if (clexp_idx == init_nodes.nelem)
- continue;
-
- if (type == OP_BACK_REF)
- {
- int dest_idx = dfa->edests[node_idx].elems[0];
- if (!re_node_set_contains (&init_nodes, dest_idx))
- {
- reg_errcode_t err = re_node_set_merge (&init_nodes,
- dfa->eclosures
- + dest_idx);
- if (err != REG_NOERROR)
- return err;
- i = 0;
- }
- }
- }
-
- /* It must be the first time to invoke acquire_state. */
- dfa->init_state = re_acquire_state_context (&err, dfa, &init_nodes, 0);
- /* We don't check ERR here, since the initial state must not be NULL. */
- if (BE (dfa->init_state == NULL, 0))
- return err;
- if (dfa->init_state->has_constraint)
- {
- dfa->init_state_word = re_acquire_state_context (&err, dfa, &init_nodes,
- CONTEXT_WORD);
- dfa->init_state_nl = re_acquire_state_context (&err, dfa, &init_nodes,
- CONTEXT_NEWLINE);
- dfa->init_state_begbuf = re_acquire_state_context (&err, dfa,
- &init_nodes,
- CONTEXT_NEWLINE
- | CONTEXT_BEGBUF);
- if (BE (dfa->init_state_word == NULL || dfa->init_state_nl == NULL
- || dfa->init_state_begbuf == NULL, 0))
- return err;
- }
- else
- dfa->init_state_word = dfa->init_state_nl
- = dfa->init_state_begbuf = dfa->init_state;
-
- re_node_set_free (&init_nodes);
- return REG_NOERROR;
-}
-
-#ifdef RE_ENABLE_I18N
-/* If it is possible to do searching in single byte encoding instead of UTF-8
- to speed things up, set dfa->mb_cur_max to 1, clear is_utf8 and change
- DFA nodes where needed. */
-
-static void
-optimize_utf8 (re_dfa_t *dfa)
-{
- int node, i, mb_chars = 0, has_period = 0;
-
- for (node = 0; node < dfa->nodes_len; ++node)
- switch (dfa->nodes[node].type)
- {
- case CHARACTER:
- if (dfa->nodes[node].opr.c >= 0x80)
- mb_chars = 1;
- break;
- case ANCHOR:
- switch (dfa->nodes[node].opr.ctx_type)
- {
- case LINE_FIRST:
- case LINE_LAST:
- case BUF_FIRST:
- case BUF_LAST:
- break;
- default:
- /* Word anchors etc. cannot be handled. It's okay to test
- opr.ctx_type since constraints (for all DFA nodes) are
- created by ORing one or more opr.ctx_type values. */
- return;
- }
- break;
- case OP_PERIOD:
- has_period = 1;
- break;
- case OP_BACK_REF:
- case OP_ALT:
- case END_OF_RE:
- case OP_DUP_ASTERISK:
- case OP_OPEN_SUBEXP:
- case OP_CLOSE_SUBEXP:
- break;
- case COMPLEX_BRACKET:
- return;
- case SIMPLE_BRACKET:
- /* Just double check. The non-ASCII range starts at 0x80. */
- assert (0x80 % BITSET_WORD_BITS == 0);
- for (i = 0x80 / BITSET_WORD_BITS; i < BITSET_WORDS; ++i)
- if (dfa->nodes[node].opr.sbcset[i])
- return;
- break;
- default:
- abort ();
- }
-
- if (mb_chars || has_period)
- for (node = 0; node < dfa->nodes_len; ++node)
- {
- if (dfa->nodes[node].type == CHARACTER
- && dfa->nodes[node].opr.c >= 0x80)
- dfa->nodes[node].mb_partial = 0;
- else if (dfa->nodes[node].type == OP_PERIOD)
- dfa->nodes[node].type = OP_UTF8_PERIOD;
- }
-
- /* The search can be in single byte locale. */
- dfa->mb_cur_max = 1;
- dfa->is_utf8 = 0;
- dfa->has_mb_node = dfa->nbackref > 0 || has_period;
-}
-#endif
-
-/* Analyze the structure tree, and calculate "first", "next", "edest",
- "eclosure", and "inveclosure". */
-
-static reg_errcode_t
-analyze (regex_t *preg)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- reg_errcode_t ret;
-
- /* Allocate arrays. */
- dfa->nexts = re_malloc (int, dfa->nodes_alloc);
- dfa->org_indices = re_malloc (int, dfa->nodes_alloc);
- dfa->edests = re_malloc (re_node_set, dfa->nodes_alloc);
- dfa->eclosures = re_malloc (re_node_set, dfa->nodes_alloc);
- if (BE (dfa->nexts == NULL || dfa->org_indices == NULL || dfa->edests == NULL
- || dfa->eclosures == NULL, 0))
- return REG_ESPACE;
-
- dfa->subexp_map = re_malloc (int, preg->re_nsub);
- if (dfa->subexp_map != NULL)
- {
- unsigned int i;
- for (i = 0; i < preg->re_nsub; i++)
- dfa->subexp_map[i] = i;
- preorder (dfa->str_tree, optimize_subexps, dfa);
- for (i = 0; i < preg->re_nsub; i++)
- if (dfa->subexp_map[i] != (int)i)
- break;
- if (i == preg->re_nsub)
- {
- free (dfa->subexp_map);
- dfa->subexp_map = NULL;
- }
- }
-
- ret = postorder (dfa->str_tree, lower_subexps, preg);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- ret = postorder (dfa->str_tree, calc_first, dfa);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- preorder (dfa->str_tree, calc_next, dfa);
- ret = preorder (dfa->str_tree, link_nfa_nodes, dfa);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- ret = calc_eclosure (dfa);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
-
- /* We only need this during the prune_impossible_nodes pass in regexec.c;
- skip it if p_i_n will not run, as calc_inveclosure can be quadratic. */
- if ((!preg->no_sub && preg->re_nsub > 0 && dfa->has_plural_match)
- || dfa->nbackref)
- {
- dfa->inveclosures = re_malloc (re_node_set, dfa->nodes_len);
- if (BE (dfa->inveclosures == NULL, 0))
- return REG_ESPACE;
- ret = calc_inveclosure (dfa);
- }
-
- return ret;
-}
-
-/* Our parse trees are very unbalanced, so we cannot use a stack to
- implement parse tree visits. Instead, we use parent pointers and
- some hairy code in these two functions. */
-static reg_errcode_t
-postorder (bin_tree_t *root, reg_errcode_t (fn (void *, bin_tree_t *)),
- void *extra)
-{
- bin_tree_t *node, *prev;
-
- for (node = root; ; )
- {
- /* Descend down the tree, preferably to the left (or to the right
- if that's the only child). */
- while (node->left || node->right)
- if (node->left)
- node = node->left;
- else
- node = node->right;
-
- do
- {
- reg_errcode_t err = fn (extra, node);
- if (BE (err != REG_NOERROR, 0))
- return err;
- if (node->parent == NULL)
- return REG_NOERROR;
- prev = node;
- node = node->parent;
- }
- /* Go up while we have a node that is reached from the right. */
- while (node->right == prev || node->right == NULL);
- node = node->right;
- }
-}
-
-static reg_errcode_t
-preorder (bin_tree_t *root, reg_errcode_t (fn (void *, bin_tree_t *)),
- void *extra)
-{
- bin_tree_t *node;
-
- for (node = root; ; )
- {
- reg_errcode_t err = fn (extra, node);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- /* Go to the left node, or up and to the right. */
- if (node->left)
- node = node->left;
- else
- {
- bin_tree_t *prev = NULL;
- while (node->right == prev || node->right == NULL)
- {
- prev = node;
- node = node->parent;
- if (!node)
- return REG_NOERROR;
- }
- node = node->right;
- }
- }
-}
-
-/* Optimization pass: if a SUBEXP is entirely contained, strip it and tell
- re_search_internal to map the inner one's opr.idx to this one's. Adjust
- backreferences as well. Requires a preorder visit. */
-static reg_errcode_t
-optimize_subexps (void *extra, bin_tree_t *node)
-{
- re_dfa_t *dfa = (re_dfa_t *) extra;
-
- if (node->token.type == OP_BACK_REF && dfa->subexp_map)
- {
- int idx = node->token.opr.idx;
- node->token.opr.idx = dfa->subexp_map[idx];
- dfa->used_bkref_map |= 1 << node->token.opr.idx;
- }
-
- else if (node->token.type == SUBEXP
- && node->left && node->left->token.type == SUBEXP)
- {
- int other_idx = node->left->token.opr.idx;
-
- node->left = node->left->left;
- if (node->left)
- node->left->parent = node;
-
- dfa->subexp_map[other_idx] = dfa->subexp_map[node->token.opr.idx];
- if (other_idx < BITSET_WORD_BITS)
- dfa->used_bkref_map &= ~((bitset_word_t) 1 << other_idx);
- }
-
- return REG_NOERROR;
-}
-
-/* Lowering pass: Turn each SUBEXP node into the appropriate concatenation
- of OP_OPEN_SUBEXP, the body of the SUBEXP (if any) and OP_CLOSE_SUBEXP. */
-static reg_errcode_t
-lower_subexps (void *extra, bin_tree_t *node)
-{
- regex_t *preg = (regex_t *) extra;
- reg_errcode_t err = REG_NOERROR;
-
- if (node->left && node->left->token.type == SUBEXP)
- {
- node->left = lower_subexp (&err, preg, node->left);
- if (node->left)
- node->left->parent = node;
- }
- if (node->right && node->right->token.type == SUBEXP)
- {
- node->right = lower_subexp (&err, preg, node->right);
- if (node->right)
- node->right->parent = node;
- }
-
- return err;
-}
-
-static bin_tree_t *
-lower_subexp (reg_errcode_t *err, regex_t *preg, bin_tree_t *node)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- bin_tree_t *body = node->left;
- bin_tree_t *op, *cls, *tree1, *tree;
-
- if (preg->no_sub
- /* We do not optimize empty subexpressions, because otherwise we may
- have bad CONCAT nodes with NULL children. This is obviously not
- very common, so we do not lose much. An example that triggers
- this case is the sed "script" /\(\)/x. */
- && node->left != NULL
- && (node->token.opr.idx >= BITSET_WORD_BITS
- || !(dfa->used_bkref_map
- & ((bitset_word_t) 1 << node->token.opr.idx))))
- return node->left;
-
- /* Convert the SUBEXP node to the concatenation of an
- OP_OPEN_SUBEXP, the contents, and an OP_CLOSE_SUBEXP. */
- op = create_tree (dfa, NULL, NULL, OP_OPEN_SUBEXP);
- cls = create_tree (dfa, NULL, NULL, OP_CLOSE_SUBEXP);
- tree1 = body ? create_tree (dfa, body, cls, CONCAT) : cls;
- tree = create_tree (dfa, op, tree1, CONCAT);
- if (BE (tree == NULL || tree1 == NULL || op == NULL || cls == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
-
- op->token.opr.idx = cls->token.opr.idx = node->token.opr.idx;
- op->token.opt_subexp = cls->token.opt_subexp = node->token.opt_subexp;
- return tree;
-}
-
-/* Pass 1 in building the NFA: compute FIRST and create unlinked automaton
- nodes. Requires a postorder visit. */
-static reg_errcode_t
-calc_first (void *extra, bin_tree_t *node)
-{
- re_dfa_t *dfa = (re_dfa_t *) extra;
- if (node->token.type == CONCAT)
- {
- node->first = node->left->first;
- node->node_idx = node->left->node_idx;
- }
- else
- {
- node->first = node;
- node->node_idx = re_dfa_add_node (dfa, node->token);
- if (BE (node->node_idx == -1, 0))
- return REG_ESPACE;
- if (node->token.type == ANCHOR)
- dfa->nodes[node->node_idx].constraint = node->token.opr.ctx_type;
- }
- return REG_NOERROR;
-}
-
-/* Pass 2: compute NEXT on the tree. Preorder visit. */
-static reg_errcode_t
-calc_next (UNUSED void *extra, bin_tree_t *node)
-{
- switch (node->token.type)
- {
- case OP_DUP_ASTERISK:
- node->left->next = node;
- break;
- case CONCAT:
- node->left->next = node->right->first;
- node->right->next = node->next;
- break;
- default:
- if (node->left)
- node->left->next = node->next;
- if (node->right)
- node->right->next = node->next;
- break;
- }
- return REG_NOERROR;
-}
-
-/* Pass 3: link all DFA nodes to their NEXT node (any order will do). */
-static reg_errcode_t
-link_nfa_nodes (void *extra, bin_tree_t *node)
-{
- re_dfa_t *dfa = (re_dfa_t *) extra;
- int idx = node->node_idx;
- reg_errcode_t err = REG_NOERROR;
-
- switch (node->token.type)
- {
- case CONCAT:
- break;
-
- case END_OF_RE:
- assert (node->next == NULL);
- break;
-
- case OP_DUP_ASTERISK:
- case OP_ALT:
- {
- int left, right;
- dfa->has_plural_match = 1;
- if (node->left != NULL)
- left = node->left->first->node_idx;
- else
- left = node->next->node_idx;
- if (node->right != NULL)
- right = node->right->first->node_idx;
- else
- right = node->next->node_idx;
- assert (left > -1);
- assert (right > -1);
- err = re_node_set_init_2 (dfa->edests + idx, left, right);
- }
- break;
-
- case ANCHOR:
- case OP_OPEN_SUBEXP:
- case OP_CLOSE_SUBEXP:
- err = re_node_set_init_1 (dfa->edests + idx, node->next->node_idx);
- break;
-
- case OP_BACK_REF:
- dfa->nexts[idx] = node->next->node_idx;
- if (node->token.type == OP_BACK_REF)
- err = re_node_set_init_1 (dfa->edests + idx, dfa->nexts[idx]);
- break;
-
- default:
- assert (!IS_EPSILON_NODE (node->token.type));
- dfa->nexts[idx] = node->next->node_idx;
- break;
- }
-
- return err;
-}
-
-/* Duplicate the epsilon closure of the node ROOT_NODE.
- Note that duplicated nodes have constraint INIT_CONSTRAINT in addition
- to their own constraint. */
-
-static reg_errcode_t
-internal_function
-duplicate_node_closure (re_dfa_t *dfa, int top_org_node, int top_clone_node,
- int root_node, unsigned int init_constraint)
-{
- int org_node, clone_node, ret;
- unsigned int constraint = init_constraint;
- for (org_node = top_org_node, clone_node = top_clone_node;;)
- {
- int org_dest, clone_dest;
- if (dfa->nodes[org_node].type == OP_BACK_REF)
- {
- /* If the back reference epsilon-transit, its destination must
- also have the constraint. Then duplicate the epsilon closure
- of the destination of the back reference, and store it in
- edests of the back reference. */
- org_dest = dfa->nexts[org_node];
- re_node_set_empty (dfa->edests + clone_node);
- clone_dest = duplicate_node (dfa, org_dest, constraint);
- if (BE (clone_dest == -1, 0))
- return REG_ESPACE;
- dfa->nexts[clone_node] = dfa->nexts[org_node];
- ret = re_node_set_insert (dfa->edests + clone_node, clone_dest);
- if (BE (ret < 0, 0))
- return REG_ESPACE;
- }
- else if (dfa->edests[org_node].nelem == 0)
- {
- /* In case of the node can't epsilon-transit, don't duplicate the
- destination and store the original destination as the
- destination of the node. */
- dfa->nexts[clone_node] = dfa->nexts[org_node];
- break;
- }
- else if (dfa->edests[org_node].nelem == 1)
- {
- /* In case of the node can epsilon-transit, and it has only one
- destination. */
- org_dest = dfa->edests[org_node].elems[0];
- re_node_set_empty (dfa->edests + clone_node);
- /* If the node is root_node itself, it means the epsilon clsoure
- has a loop. Then tie it to the destination of the root_node. */
- if (org_node == root_node && clone_node != org_node)
- {
- ret = re_node_set_insert (dfa->edests + clone_node, org_dest);
- if (BE (ret < 0, 0))
- return REG_ESPACE;
- break;
- }
- /* In case of the node has another constraint, add it. */
- constraint |= dfa->nodes[org_node].constraint;
- clone_dest = duplicate_node (dfa, org_dest, constraint);
- if (BE (clone_dest == -1, 0))
- return REG_ESPACE;
- ret = re_node_set_insert (dfa->edests + clone_node, clone_dest);
- if (BE (ret < 0, 0))
- return REG_ESPACE;
- }
- else /* dfa->edests[org_node].nelem == 2 */
- {
- /* In case of the node can epsilon-transit, and it has two
- destinations. In the bin_tree_t and DFA, that's '|' and '*'. */
- org_dest = dfa->edests[org_node].elems[0];
- re_node_set_empty (dfa->edests + clone_node);
- /* Search for a duplicated node which satisfies the constraint. */
- clone_dest = search_duplicated_node (dfa, org_dest, constraint);
- if (clone_dest == -1)
- {
- /* There is no such duplicated node, create a new one. */
- reg_errcode_t err;
- clone_dest = duplicate_node (dfa, org_dest, constraint);
- if (BE (clone_dest == -1, 0))
- return REG_ESPACE;
- ret = re_node_set_insert (dfa->edests + clone_node, clone_dest);
- if (BE (ret < 0, 0))
- return REG_ESPACE;
- err = duplicate_node_closure (dfa, org_dest, clone_dest,
- root_node, constraint);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- else
- {
- /* There is a duplicated node which satisfies the constraint,
- use it to avoid infinite loop. */
- ret = re_node_set_insert (dfa->edests + clone_node, clone_dest);
- if (BE (ret < 0, 0))
- return REG_ESPACE;
- }
-
- org_dest = dfa->edests[org_node].elems[1];
- clone_dest = duplicate_node (dfa, org_dest, constraint);
- if (BE (clone_dest == -1, 0))
- return REG_ESPACE;
- ret = re_node_set_insert (dfa->edests + clone_node, clone_dest);
- if (BE (ret < 0, 0))
- return REG_ESPACE;
- }
- org_node = org_dest;
- clone_node = clone_dest;
- }
- return REG_NOERROR;
-}
-
-/* Search for a node which is duplicated from the node ORG_NODE, and
- satisfies the constraint CONSTRAINT. */
-
-static int
-search_duplicated_node (const re_dfa_t *dfa, int org_node,
- unsigned int constraint)
-{
- int idx;
- for (idx = dfa->nodes_len - 1; dfa->nodes[idx].duplicated && idx > 0; --idx)
- {
- if (org_node == dfa->org_indices[idx]
- && constraint == dfa->nodes[idx].constraint)
- return idx; /* Found. */
- }
- return -1; /* Not found. */
-}
-
-/* Duplicate the node whose index is ORG_IDX and set the constraint CONSTRAINT.
- Return the index of the new node, or -1 if insufficient storage is
- available. */
-
-static int
-duplicate_node (re_dfa_t *dfa, int org_idx, unsigned int constraint)
-{
- int dup_idx = re_dfa_add_node (dfa, dfa->nodes[org_idx]);
- if (BE (dup_idx != -1, 1))
- {
- dfa->nodes[dup_idx].constraint = constraint;
- dfa->nodes[dup_idx].constraint |= dfa->nodes[org_idx].constraint;
- dfa->nodes[dup_idx].duplicated = 1;
-
- /* Store the index of the original node. */
- dfa->org_indices[dup_idx] = org_idx;
- }
- return dup_idx;
-}
-
-static reg_errcode_t
-calc_inveclosure (re_dfa_t *dfa)
-{
- int ret;
- unsigned int src, idx;
- for (idx = 0; idx < dfa->nodes_len; ++idx)
- re_node_set_init_empty (dfa->inveclosures + idx);
-
- for (src = 0; src < dfa->nodes_len; ++src)
- {
- int *elems = dfa->eclosures[src].elems;
- int idx;
- for (idx = 0; idx < dfa->eclosures[src].nelem; ++idx)
- {
- ret = re_node_set_insert_last (dfa->inveclosures + elems[idx], src);
- if (BE (ret == -1, 0))
- return REG_ESPACE;
- }
- }
-
- return REG_NOERROR;
-}
-
-/* Calculate "eclosure" for all the node in DFA. */
-
-static reg_errcode_t
-calc_eclosure (re_dfa_t *dfa)
-{
- size_t node_idx;
- int incomplete;
-#ifdef DEBUG
- assert (dfa->nodes_len > 0);
-#endif
- incomplete = 0;
- /* For each nodes, calculate epsilon closure. */
- for (node_idx = 0; ; ++node_idx)
- {
- reg_errcode_t err;
- re_node_set eclosure_elem;
- if (node_idx == dfa->nodes_len)
- {
- if (!incomplete)
- break;
- incomplete = 0;
- node_idx = 0;
- }
-
-#ifdef DEBUG
- assert (dfa->eclosures[node_idx].nelem != -1);
-#endif
-
- /* If we have already calculated, skip it. */
- if (dfa->eclosures[node_idx].nelem != 0)
- continue;
- /* Calculate epsilon closure of `node_idx'. */
- err = calc_eclosure_iter (&eclosure_elem, dfa, node_idx, 1);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- if (dfa->eclosures[node_idx].nelem == 0)
- {
- incomplete = 1;
- re_node_set_free (&eclosure_elem);
- }
- }
- return REG_NOERROR;
-}
-
-/* Calculate epsilon closure of NODE. */
-
-static reg_errcode_t
-calc_eclosure_iter (re_node_set *new_set, re_dfa_t *dfa, int node, int root)
-{
- reg_errcode_t err;
- int i;
- re_node_set eclosure;
- int ret;
- int incomplete = 0;
- err = re_node_set_alloc (&eclosure, dfa->edests[node].nelem + 1);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- /* This indicates that we are calculating this node now.
- We reference this value to avoid infinite loop. */
- dfa->eclosures[node].nelem = -1;
-
- /* If the current node has constraints, duplicate all nodes
- since they must inherit the constraints. */
- if (dfa->nodes[node].constraint
- && dfa->edests[node].nelem
- && !dfa->nodes[dfa->edests[node].elems[0]].duplicated)
- {
- err = duplicate_node_closure (dfa, node, node, node,
- dfa->nodes[node].constraint);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
-
- /* Expand each epsilon destination nodes. */
- if (IS_EPSILON_NODE(dfa->nodes[node].type))
- for (i = 0; i < dfa->edests[node].nelem; ++i)
- {
- re_node_set eclosure_elem;
- int edest = dfa->edests[node].elems[i];
- /* If calculating the epsilon closure of `edest' is in progress,
- return intermediate result. */
- if (dfa->eclosures[edest].nelem == -1)
- {
- incomplete = 1;
- continue;
- }
- /* If we haven't calculated the epsilon closure of `edest' yet,
- calculate now. Otherwise use calculated epsilon closure. */
- if (dfa->eclosures[edest].nelem == 0)
- {
- err = calc_eclosure_iter (&eclosure_elem, dfa, edest, 0);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- else
- eclosure_elem = dfa->eclosures[edest];
- /* Merge the epsilon closure of `edest'. */
- err = re_node_set_merge (&eclosure, &eclosure_elem);
- if (BE (err != REG_NOERROR, 0))
- return err;
- /* If the epsilon closure of `edest' is incomplete,
- the epsilon closure of this node is also incomplete. */
- if (dfa->eclosures[edest].nelem == 0)
- {
- incomplete = 1;
- re_node_set_free (&eclosure_elem);
- }
- }
-
- /* An epsilon closure includes itself. */
- ret = re_node_set_insert (&eclosure, node);
- if (BE (ret < 0, 0))
- return REG_ESPACE;
- if (incomplete && !root)
- dfa->eclosures[node].nelem = 0;
- else
- dfa->eclosures[node] = eclosure;
- *new_set = eclosure;
- return REG_NOERROR;
-}
-
-/* Functions for token which are used in the parser. */
-
-/* Fetch a token from INPUT.
- We must not use this function inside bracket expressions. */
-
-static void
-internal_function
-fetch_token (re_token_t *result, re_string_t *input, reg_syntax_t syntax)
-{
- re_string_skip_bytes (input, peek_token (result, input, syntax));
-}
-
-/* Peek a token from INPUT, and return the length of the token.
- We must not use this function inside bracket expressions. */
-
-static int
-internal_function
-peek_token (re_token_t *token, re_string_t *input, reg_syntax_t syntax)
-{
- unsigned char c;
-
- if (re_string_eoi (input))
- {
- token->type = END_OF_RE;
- return 0;
- }
-
- c = re_string_peek_byte (input, 0);
- token->opr.c = c;
-
- token->word_char = 0;
-#ifdef RE_ENABLE_I18N
- token->mb_partial = 0;
- if (input->mb_cur_max > 1 &&
- !re_string_first_byte (input, re_string_cur_idx (input)))
- {
- token->type = CHARACTER;
- token->mb_partial = 1;
- return 1;
- }
-#endif
- if (c == '\\')
- {
- unsigned char c2;
- if (re_string_cur_idx (input) + 1 >= re_string_length (input))
- {
- token->type = BACK_SLASH;
- return 1;
- }
-
- c2 = re_string_peek_byte_case (input, 1);
- token->opr.c = c2;
- token->type = CHARACTER;
-#ifdef RE_ENABLE_I18N
- if (input->mb_cur_max > 1)
- {
- wint_t wc = re_string_wchar_at (input,
- re_string_cur_idx (input) + 1);
- token->word_char = IS_WIDE_WORD_CHAR (wc) != 0;
- }
- else
-#endif
- token->word_char = IS_WORD_CHAR (c2) != 0;
-
- switch (c2)
- {
- case '|':
- if (!(syntax & RE_LIMITED_OPS) && !(syntax & RE_NO_BK_VBAR))
- token->type = OP_ALT;
- break;
- case '1': case '2': case '3': case '4': case '5':
- case '6': case '7': case '8': case '9':
- if (!(syntax & RE_NO_BK_REFS))
- {
- token->type = OP_BACK_REF;
- token->opr.idx = c2 - '1';
- }
- break;
- case '<':
- if (!(syntax & RE_NO_GNU_OPS))
- {
- token->type = ANCHOR;
- token->opr.ctx_type = WORD_FIRST;
- }
- break;
- case '>':
- if (!(syntax & RE_NO_GNU_OPS))
- {
- token->type = ANCHOR;
- token->opr.ctx_type = WORD_LAST;
- }
- break;
- case 'b':
- if (!(syntax & RE_NO_GNU_OPS))
- {
- token->type = ANCHOR;
- token->opr.ctx_type = WORD_DELIM;
- }
- break;
- case 'B':
- if (!(syntax & RE_NO_GNU_OPS))
- {
- token->type = ANCHOR;
- token->opr.ctx_type = NOT_WORD_DELIM;
- }
- break;
- case 'w':
- if (!(syntax & RE_NO_GNU_OPS))
- token->type = OP_WORD;
- break;
- case 'W':
- if (!(syntax & RE_NO_GNU_OPS))
- token->type = OP_NOTWORD;
- break;
- case 's':
- if (!(syntax & RE_NO_GNU_OPS))
- token->type = OP_SPACE;
- break;
- case 'S':
- if (!(syntax & RE_NO_GNU_OPS))
- token->type = OP_NOTSPACE;
- break;
- case '`':
- if (!(syntax & RE_NO_GNU_OPS))
- {
- token->type = ANCHOR;
- token->opr.ctx_type = BUF_FIRST;
- }
- break;
- case '\'':
- if (!(syntax & RE_NO_GNU_OPS))
- {
- token->type = ANCHOR;
- token->opr.ctx_type = BUF_LAST;
- }
- break;
- case '(':
- if (!(syntax & RE_NO_BK_PARENS))
- token->type = OP_OPEN_SUBEXP;
- break;
- case ')':
- if (!(syntax & RE_NO_BK_PARENS))
- token->type = OP_CLOSE_SUBEXP;
- break;
- case '+':
- if (!(syntax & RE_LIMITED_OPS) && (syntax & RE_BK_PLUS_QM))
- token->type = OP_DUP_PLUS;
- break;
- case '?':
- if (!(syntax & RE_LIMITED_OPS) && (syntax & RE_BK_PLUS_QM))
- token->type = OP_DUP_QUESTION;
- break;
- case '{':
- if ((syntax & RE_INTERVALS) && (!(syntax & RE_NO_BK_BRACES)))
- token->type = OP_OPEN_DUP_NUM;
- break;
- case '}':
- if ((syntax & RE_INTERVALS) && (!(syntax & RE_NO_BK_BRACES)))
- token->type = OP_CLOSE_DUP_NUM;
- break;
- default:
- break;
- }
- return 2;
- }
-
- token->type = CHARACTER;
-#ifdef RE_ENABLE_I18N
- if (input->mb_cur_max > 1)
- {
- wint_t wc = re_string_wchar_at (input, re_string_cur_idx (input));
- token->word_char = IS_WIDE_WORD_CHAR (wc) != 0;
- }
- else
-#endif
- token->word_char = IS_WORD_CHAR (token->opr.c);
-
- switch (c)
- {
- case '\n':
- if (syntax & RE_NEWLINE_ALT)
- token->type = OP_ALT;
- break;
- case '|':
- if (!(syntax & RE_LIMITED_OPS) && (syntax & RE_NO_BK_VBAR))
- token->type = OP_ALT;
- break;
- case '*':
- token->type = OP_DUP_ASTERISK;
- break;
- case '+':
- if (!(syntax & RE_LIMITED_OPS) && !(syntax & RE_BK_PLUS_QM))
- token->type = OP_DUP_PLUS;
- break;
- case '?':
- if (!(syntax & RE_LIMITED_OPS) && !(syntax & RE_BK_PLUS_QM))
- token->type = OP_DUP_QUESTION;
- break;
- case '{':
- if ((syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES))
- token->type = OP_OPEN_DUP_NUM;
- break;
- case '}':
- if ((syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES))
- token->type = OP_CLOSE_DUP_NUM;
- break;
- case '(':
- if (syntax & RE_NO_BK_PARENS)
- token->type = OP_OPEN_SUBEXP;
- break;
- case ')':
- if (syntax & RE_NO_BK_PARENS)
- token->type = OP_CLOSE_SUBEXP;
- break;
- case '[':
- token->type = OP_OPEN_BRACKET;
- break;
- case '.':
- token->type = OP_PERIOD;
- break;
- case '^':
- if (!(syntax & (RE_CONTEXT_INDEP_ANCHORS | RE_CARET_ANCHORS_HERE)) &&
- re_string_cur_idx (input) != 0)
- {
- char prev = re_string_peek_byte (input, -1);
- if (!(syntax & RE_NEWLINE_ALT) || prev != '\n')
- break;
- }
- token->type = ANCHOR;
- token->opr.ctx_type = LINE_FIRST;
- break;
- case '$':
- if (!(syntax & RE_CONTEXT_INDEP_ANCHORS) &&
- re_string_cur_idx (input) + 1 != re_string_length (input))
- {
- re_token_t next;
- re_string_skip_bytes (input, 1);
- peek_token (&next, input, syntax);
- re_string_skip_bytes (input, -1);
- if (next.type != OP_ALT && next.type != OP_CLOSE_SUBEXP)
- break;
- }
- token->type = ANCHOR;
- token->opr.ctx_type = LINE_LAST;
- break;
- default:
- break;
- }
- return 1;
-}
-
-/* Peek a token from INPUT, and return the length of the token.
- We must not use this function out of bracket expressions. */
-
-static int
-internal_function
-peek_token_bracket (re_token_t *token, re_string_t *input, reg_syntax_t syntax)
-{
- unsigned char c;
- if (re_string_eoi (input))
- {
- token->type = END_OF_RE;
- return 0;
- }
- c = re_string_peek_byte (input, 0);
- token->opr.c = c;
-
-#ifdef RE_ENABLE_I18N
- if (input->mb_cur_max > 1 &&
- !re_string_first_byte (input, re_string_cur_idx (input)))
- {
- token->type = CHARACTER;
- return 1;
- }
-#endif /* RE_ENABLE_I18N */
-
- if (c == '\\' && (syntax & RE_BACKSLASH_ESCAPE_IN_LISTS)
- && re_string_cur_idx (input) + 1 < re_string_length (input))
- {
- /* In this case, '\' escape a character. */
- unsigned char c2;
- re_string_skip_bytes (input, 1);
- c2 = re_string_peek_byte (input, 0);
- token->opr.c = c2;
- token->type = CHARACTER;
- return 1;
- }
- if (c == '[') /* '[' is a special char in a bracket exps. */
- {
- unsigned char c2;
- int token_len;
- if (re_string_cur_idx (input) + 1 < re_string_length (input))
- c2 = re_string_peek_byte (input, 1);
- else
- c2 = 0;
- token->opr.c = c2;
- token_len = 2;
- switch (c2)
- {
- case '.':
- token->type = OP_OPEN_COLL_ELEM;
- break;
- case '=':
- token->type = OP_OPEN_EQUIV_CLASS;
- break;
- case ':':
- if (syntax & RE_CHAR_CLASSES)
- {
- token->type = OP_OPEN_CHAR_CLASS;
- break;
- }
- /* else fall through. */
- default:
- token->type = CHARACTER;
- token->opr.c = c;
- token_len = 1;
- break;
- }
- return token_len;
- }
- switch (c)
- {
- case '-':
- token->type = OP_CHARSET_RANGE;
- break;
- case ']':
- token->type = OP_CLOSE_BRACKET;
- break;
- case '^':
- token->type = OP_NON_MATCH_LIST;
- break;
- default:
- token->type = CHARACTER;
- }
- return 1;
-}
-
-/* Functions for parser. */
-
-/* Entry point of the parser.
- Parse the regular expression REGEXP and return the structure tree.
- If an error is occured, ERR is set by error code, and return NULL.
- This function build the following tree, from regular expression <reg_exp>:
- CAT
- / \
- / \
- <reg_exp> EOR
-
- CAT means concatenation.
- EOR means end of regular expression. */
-
-static bin_tree_t *
-parse (re_string_t *regexp, regex_t *preg, reg_syntax_t syntax,
- reg_errcode_t *err)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- bin_tree_t *tree, *eor, *root;
- re_token_t current_token;
- dfa->syntax = syntax;
- fetch_token (¤t_token, regexp, syntax | RE_CARET_ANCHORS_HERE);
- tree = parse_reg_exp (regexp, preg, ¤t_token, syntax, 0, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
- eor = create_tree (dfa, NULL, NULL, END_OF_RE);
- if (tree != NULL)
- root = create_tree (dfa, tree, eor, CONCAT);
- else
- root = eor;
- if (BE (eor == NULL || root == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- return root;
-}
-
-/* This function build the following tree, from regular expression
- <branch1>|<branch2>:
- ALT
- / \
- / \
- <branch1> <branch2>
-
- ALT means alternative, which represents the operator `|'. */
-
-static bin_tree_t *
-parse_reg_exp (re_string_t *regexp, regex_t *preg, re_token_t *token,
- reg_syntax_t syntax, int nest, reg_errcode_t *err)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- bin_tree_t *tree, *branch = NULL;
- tree = parse_branch (regexp, preg, token, syntax, nest, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
-
- while (token->type == OP_ALT)
- {
- fetch_token (token, regexp, syntax | RE_CARET_ANCHORS_HERE);
- if (token->type != OP_ALT && token->type != END_OF_RE
- && (nest == 0 || token->type != OP_CLOSE_SUBEXP))
- {
- branch = parse_branch (regexp, preg, token, syntax, nest, err);
- if (BE (*err != REG_NOERROR && branch == NULL, 0))
- return NULL;
- }
- else
- branch = NULL;
- tree = create_tree (dfa, tree, branch, OP_ALT);
- if (BE (tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- }
- return tree;
-}
-
-/* This function build the following tree, from regular expression
- <exp1><exp2>:
- CAT
- / \
- / \
- <exp1> <exp2>
-
- CAT means concatenation. */
-
-static bin_tree_t *
-parse_branch (re_string_t *regexp, regex_t *preg, re_token_t *token,
- reg_syntax_t syntax, int nest, reg_errcode_t *err)
-{
- bin_tree_t *tree, *exp;
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- tree = parse_expression (regexp, preg, token, syntax, nest, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
-
- while (token->type != OP_ALT && token->type != END_OF_RE
- && (nest == 0 || token->type != OP_CLOSE_SUBEXP))
- {
- exp = parse_expression (regexp, preg, token, syntax, nest, err);
- if (BE (*err != REG_NOERROR && exp == NULL, 0))
- {
- return NULL;
- }
- if (tree != NULL && exp != NULL)
- {
- tree = create_tree (dfa, tree, exp, CONCAT);
- if (tree == NULL)
- {
- *err = REG_ESPACE;
- return NULL;
- }
- }
- else if (tree == NULL)
- tree = exp;
- /* Otherwise exp == NULL, we don't need to create new tree. */
- }
- return tree;
-}
-
-/* This function build the following tree, from regular expression a*:
- *
- |
- a
-*/
-
-static bin_tree_t *
-parse_expression (re_string_t *regexp, regex_t *preg, re_token_t *token,
- reg_syntax_t syntax, int nest, reg_errcode_t *err)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- bin_tree_t *tree;
- switch (token->type)
- {
- case CHARACTER:
- tree = create_token_tree (dfa, NULL, NULL, token);
- if (BE (tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- {
- while (!re_string_eoi (regexp)
- && !re_string_first_byte (regexp, re_string_cur_idx (regexp)))
- {
- bin_tree_t *mbc_remain;
- fetch_token (token, regexp, syntax);
- mbc_remain = create_token_tree (dfa, NULL, NULL, token);
- tree = create_tree (dfa, tree, mbc_remain, CONCAT);
- if (BE (mbc_remain == NULL || tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- }
- }
-#endif
- break;
- case OP_OPEN_SUBEXP:
- tree = parse_sub_exp (regexp, preg, token, syntax, nest + 1, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
- break;
- case OP_OPEN_BRACKET:
- tree = parse_bracket_exp (regexp, dfa, token, syntax, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
- break;
- case OP_BACK_REF:
- if (!BE (dfa->completed_bkref_map & (1 << token->opr.idx), 1))
- {
- *err = REG_ESUBREG;
- return NULL;
- }
- dfa->used_bkref_map |= 1 << token->opr.idx;
- tree = create_token_tree (dfa, NULL, NULL, token);
- if (BE (tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- ++dfa->nbackref;
- dfa->has_mb_node = 1;
- break;
- case OP_OPEN_DUP_NUM:
- if (syntax & RE_CONTEXT_INVALID_DUP)
- {
- *err = REG_BADRPT;
- return NULL;
- }
- /* FALLTHROUGH */
- case OP_DUP_ASTERISK:
- case OP_DUP_PLUS:
- case OP_DUP_QUESTION:
- if (syntax & RE_CONTEXT_INVALID_OPS)
- {
- *err = REG_BADRPT;
- return NULL;
- }
- else if (syntax & RE_CONTEXT_INDEP_OPS)
- {
- fetch_token (token, regexp, syntax);
- return parse_expression (regexp, preg, token, syntax, nest, err);
- }
- /* else fall through */
- case OP_CLOSE_SUBEXP:
- if ((token->type == OP_CLOSE_SUBEXP) &&
- !(syntax & RE_UNMATCHED_RIGHT_PAREN_ORD))
- {
- *err = REG_ERPAREN;
- return NULL;
- }
- /* else fall through */
- case OP_CLOSE_DUP_NUM:
- /* We treat it as a normal character. */
-
- /* Then we can these characters as normal characters. */
- token->type = CHARACTER;
- /* mb_partial and word_char bits should be initialized already
- by peek_token. */
- tree = create_token_tree (dfa, NULL, NULL, token);
- if (BE (tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- break;
- case ANCHOR:
- if ((token->opr.ctx_type
- & (WORD_DELIM | NOT_WORD_DELIM | WORD_FIRST | WORD_LAST))
- && dfa->word_ops_used == 0)
- init_word_char (dfa);
- if (token->opr.ctx_type == WORD_DELIM
- || token->opr.ctx_type == NOT_WORD_DELIM)
- {
- bin_tree_t *tree_first, *tree_last;
- if (token->opr.ctx_type == WORD_DELIM)
- {
- token->opr.ctx_type = WORD_FIRST;
- tree_first = create_token_tree (dfa, NULL, NULL, token);
- token->opr.ctx_type = WORD_LAST;
- }
- else
- {
- token->opr.ctx_type = INSIDE_WORD;
- tree_first = create_token_tree (dfa, NULL, NULL, token);
- token->opr.ctx_type = INSIDE_NOTWORD;
- }
- tree_last = create_token_tree (dfa, NULL, NULL, token);
- tree = create_tree (dfa, tree_first, tree_last, OP_ALT);
- if (BE (tree_first == NULL || tree_last == NULL || tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- }
- else
- {
- tree = create_token_tree (dfa, NULL, NULL, token);
- if (BE (tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- }
- /* We must return here, since ANCHORs can't be followed
- by repetition operators.
- eg. RE"^*" is invalid or "<ANCHOR(^)><CHAR(*)>",
- it must not be "<ANCHOR(^)><REPEAT(*)>". */
- fetch_token (token, regexp, syntax);
- return tree;
- case OP_PERIOD:
- tree = create_token_tree (dfa, NULL, NULL, token);
- if (BE (tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- if (dfa->mb_cur_max > 1)
- dfa->has_mb_node = 1;
- break;
- case OP_WORD:
- case OP_NOTWORD:
- tree = build_charclass_op (dfa, regexp->trans,
- "alnum",
- "_",
- token->type == OP_NOTWORD, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
- break;
- case OP_SPACE:
- case OP_NOTSPACE:
- tree = build_charclass_op (dfa, regexp->trans,
- "space",
- "",
- token->type == OP_NOTSPACE, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
- break;
- case OP_ALT:
- case END_OF_RE:
- return NULL;
- case BACK_SLASH:
- *err = REG_EESCAPE;
- return NULL;
- default:
- /* Must not happen? */
-#ifdef DEBUG
- assert (0);
-#endif
- return NULL;
- }
- fetch_token (token, regexp, syntax);
-
- while (token->type == OP_DUP_ASTERISK || token->type == OP_DUP_PLUS
- || token->type == OP_DUP_QUESTION || token->type == OP_OPEN_DUP_NUM)
- {
- tree = parse_dup_op (tree, regexp, dfa, token, syntax, err);
- if (BE (*err != REG_NOERROR && tree == NULL, 0))
- return NULL;
- /* In BRE consecutive duplications are not allowed. */
- if ((syntax & RE_CONTEXT_INVALID_DUP)
- && (token->type == OP_DUP_ASTERISK
- || token->type == OP_OPEN_DUP_NUM))
- {
- *err = REG_BADRPT;
- return NULL;
- }
- }
-
- return tree;
-}
-
-/* This function build the following tree, from regular expression
- (<reg_exp>):
- SUBEXP
- |
- <reg_exp>
-*/
-
-static bin_tree_t *
-parse_sub_exp (re_string_t *regexp, regex_t *preg, re_token_t *token,
- reg_syntax_t syntax, int nest, reg_errcode_t *err)
-{
- re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
- bin_tree_t *tree;
- size_t cur_nsub;
- cur_nsub = preg->re_nsub++;
-
- fetch_token (token, regexp, syntax | RE_CARET_ANCHORS_HERE);
-
- /* The subexpression may be a null string. */
- if (token->type == OP_CLOSE_SUBEXP)
- tree = NULL;
- else
- {
- tree = parse_reg_exp (regexp, preg, token, syntax, nest, err);
- if (BE (*err == REG_NOERROR && token->type != OP_CLOSE_SUBEXP, 0))
- *err = REG_EPAREN;
- if (BE (*err != REG_NOERROR, 0))
- return NULL;
- }
-
- if (cur_nsub <= '9' - '1')
- dfa->completed_bkref_map |= 1 << cur_nsub;
-
- tree = create_tree (dfa, tree, NULL, SUBEXP);
- if (BE (tree == NULL, 0))
- {
- *err = REG_ESPACE;
- return NULL;
- }
- tree->token.opr.idx = cur_nsub;
- return tree;
-}
-
-/* This function parse repetition operators like "*", "+", "{1,3}" etc. */
-
-static bin_tree_t *
-parse_dup_op (bin_tree_t *elem, re_string_t *regexp, re_dfa_t *dfa,
- re_token_t *token, reg_syntax_t syntax, reg_errcode_t *err)
-{
- bin_tree_t *tree = NULL, *old_tree = NULL;
- int i, start, end, start_idx = re_string_cur_idx (regexp);
-#ifndef RE_TOKEN_INIT_BUG
- re_token_t start_token = *token;
-#else
- re_token_t start_token;
-
- memcpy ((void *) &start_token, (void *) token, sizeof start_token);
-#endif
-
- if (token->type == OP_OPEN_DUP_NUM)
- {
- end = 0;
- start = fetch_number (regexp, token, syntax);
- if (start == -1)
- {
- if (token->type == CHARACTER && token->opr.c == ',')
- start = 0; /* We treat "{,m}" as "{0,m}". */
- else
- {
- *err = REG_BADBR; /* <re>{} is invalid. */
- return NULL;
- }
- }
- if (BE (start != -2, 1))
- {
- /* We treat "{n}" as "{n,n}". */
- end = ((token->type == OP_CLOSE_DUP_NUM) ? start
- : ((token->type == CHARACTER && token->opr.c == ',')
- ? fetch_number (regexp, token, syntax) : -2));
- }
- if (BE (start == -2 || end == -2, 0))
- {
- /* Invalid sequence. */
- if (BE (!(syntax & RE_INVALID_INTERVAL_ORD), 0))
- {
- if (token->type == END_OF_RE)
- *err = REG_EBRACE;
- else
- *err = REG_BADBR;
-
- return NULL;
- }
-
- /* If the syntax bit is set, rollback. */
- re_string_set_index (regexp, start_idx);
- *token = start_token;
- token->type = CHARACTER;
- /* mb_partial and word_char bits should be already initialized by
- peek_token. */
- return elem;
- }
-
- if (BE ((end != -1 && start > end) || token->type != OP_CLOSE_DUP_NUM, 0))
- {
- /* First number greater than second. */
- *err = REG_BADBR;
- return NULL;
- }
- }
- else
- {
- start = (token->type == OP_DUP_PLUS) ? 1 : 0;
- end = (token->type == OP_DUP_QUESTION) ? 1 : -1;
- }
-
- fetch_token (token, regexp, syntax);
-
- if (BE (elem == NULL, 0))
- return NULL;
- if (BE (start == 0 && end == 0, 0))
- {
- postorder (elem, free_tree, NULL);
- return NULL;
- }
-
- /* Extract "<re>{n,m}" to "<re><re>...<re><re>{0,<m-n>}". */
- if (BE (start > 0, 0))
- {
- tree = elem;
- for (i = 2; i <= start; ++i)
- {
- elem = duplicate_tree (elem, dfa);
- tree = create_tree (dfa, tree, elem, CONCAT);
- if (BE (elem == NULL || tree == NULL, 0))
- goto parse_dup_op_espace;
- }
-
- if (start == end)
- return tree;
-
- /* Duplicate ELEM before it is marked optional. */
- elem = duplicate_tree (elem, dfa);
- old_tree = tree;
- }
- else
- old_tree = NULL;
-
- if (elem->token.type == SUBEXP)
- postorder (elem, mark_opt_subexp, (void *) (long) elem->token.opr.idx);
-
- tree = create_tree (dfa, elem, NULL, (end == -1 ? OP_DUP_ASTERISK : OP_ALT));
- if (BE (tree == NULL, 0))
- goto parse_dup_op_espace;
-
- /* This loop is actually executed only when end != -1,
- to rewrite <re>{0,n} as (<re>(<re>...<re>?)?)?... We have
- already created the start+1-th copy. */
- for (i = start + 2; i <= end; ++i)
- {
- elem = duplicate_tree (elem, dfa);
- tree = create_tree (dfa, tree, elem, CONCAT);
- if (BE (elem == NULL || tree == NULL, 0))
- goto parse_dup_op_espace;
-
- tree = create_tree (dfa, tree, NULL, OP_ALT);
- if (BE (tree == NULL, 0))
- goto parse_dup_op_espace;
- }
-
- if (old_tree)
- tree = create_tree (dfa, old_tree, tree, CONCAT);
-
- return tree;
-
- parse_dup_op_espace:
- *err = REG_ESPACE;
- return NULL;
-}
-
-/* Size of the names for collating symbol/equivalence_class/character_class.
- I'm not sure, but maybe enough. */
-#define BRACKET_NAME_BUF_SIZE 32
-
-#ifndef _LIBC
- /* Local function for parse_bracket_exp only used in case of NOT _LIBC.
- Build the range expression which starts from START_ELEM, and ends
- at END_ELEM. The result are written to MBCSET and SBCSET.
- RANGE_ALLOC is the allocated size of mbcset->range_starts, and
- mbcset->range_ends, is a pointer argument sinse we may
- update it. */
-
-static reg_errcode_t
-internal_function
-# ifdef RE_ENABLE_I18N
-build_range_exp (bitset_t sbcset, re_charset_t *mbcset, int *range_alloc,
- bracket_elem_t *start_elem, bracket_elem_t *end_elem)
-# else /* not RE_ENABLE_I18N */
-build_range_exp (bitset_t sbcset, bracket_elem_t *start_elem,
- bracket_elem_t *end_elem)
-# endif /* not RE_ENABLE_I18N */
-{
- unsigned int start_ch, end_ch;
- /* Equivalence Classes and Character Classes can't be a range start/end. */
- if (BE (start_elem->type == EQUIV_CLASS || start_elem->type == CHAR_CLASS
- || end_elem->type == EQUIV_CLASS || end_elem->type == CHAR_CLASS,
- 0))
- return REG_ERANGE;
-
- /* We can handle no multi character collating elements without libc
- support. */
- if (BE ((start_elem->type == COLL_SYM
- && strlen ((char *) start_elem->opr.name) > 1)
- || (end_elem->type == COLL_SYM
- && strlen ((char *) end_elem->opr.name) > 1), 0))
- return REG_ECOLLATE;
-
-# ifdef RE_ENABLE_I18N
- {
- wchar_t wc;
- wint_t start_wc;
- wint_t end_wc;
- wchar_t cmp_buf[6] = {L'\0', L'\0', L'\0', L'\0', L'\0', L'\0'};
-
- start_ch = ((start_elem->type == SB_CHAR) ? start_elem->opr.ch
- : ((start_elem->type == COLL_SYM) ? start_elem->opr.name[0]
- : 0));
- end_ch = ((end_elem->type == SB_CHAR) ? end_elem->opr.ch
- : ((end_elem->type == COLL_SYM) ? end_elem->opr.name[0]
- : 0));
-#ifdef GAWK
- /*
- * Fedora Core 2, maybe others, have broken `btowc' that returns -1
- * for any value > 127. Sigh. Note that `start_ch' and `end_ch' are
- * unsigned, so we don't have sign extension problems.
- */
- start_wc = ((start_elem->type == SB_CHAR || start_elem->type == COLL_SYM)
- ? start_ch : start_elem->opr.wch);
- end_wc = ((end_elem->type == SB_CHAR || end_elem->type == COLL_SYM)
- ? end_ch : end_elem->opr.wch);
-#else
- start_wc = ((start_elem->type == SB_CHAR || start_elem->type == COLL_SYM)
- ? __btowc (start_ch) : start_elem->opr.wch);
- end_wc = ((end_elem->type == SB_CHAR || end_elem->type == COLL_SYM)
- ? __btowc (end_ch) : end_elem->opr.wch);
-#endif
- if (start_wc == WEOF || end_wc == WEOF)
- return REG_ECOLLATE;
- cmp_buf[0] = start_wc;
- cmp_buf[4] = end_wc;
- if (wcscoll (cmp_buf, cmp_buf + 4) > 0)
- return REG_ERANGE;
-
- /* Got valid collation sequence values, add them as a new entry.
- However, for !_LIBC we have no collation elements: if the
- character set is single byte, the single byte character set
- that we build below suffices. parse_bracket_exp passes
- no MBCSET if dfa->mb_cur_max == 1. */
- if (mbcset)
- {
- /* Check the space of the arrays. */
- if (BE (*range_alloc == mbcset->nranges, 0))
- {
- /* There is not enough space, need realloc. */
- wchar_t *new_array_start, *new_array_end;
- int new_nranges;
-
- /* +1 in case of mbcset->nranges is 0. */
- new_nranges = 2 * mbcset->nranges + 1;
- /* Use realloc since mbcset->range_starts and mbcset->range_ends
- are NULL if *range_alloc == 0. */
- new_array_start = re_realloc (mbcset->range_starts, wchar_t,
- new_nranges);
- new_array_end = re_realloc (mbcset->range_ends, wchar_t,
- new_nranges);
-
- if (BE (new_array_start == NULL || new_array_end == NULL, 0))
- return REG_ESPACE;
-
- mbcset->range_starts = new_array_start;
- mbcset->range_ends = new_array_end;
- *range_alloc = new_nranges;
- }
-
- mbcset->range_starts[mbcset->nranges] = start_wc;
- mbcset->range_ends[mbcset->nranges++] = end_wc;
- }
-
- /* Build the table for single byte characters. */
- for (wc = 0; wc < SBC_MAX; ++wc)
- {
- cmp_buf[2] = wc;
- if (wcscoll (cmp_buf, cmp_buf + 2) <= 0
- && wcscoll (cmp_buf + 2, cmp_buf + 4) <= 0)
- bitset_set (sbcset, wc);
- }
- }
-# else /* not RE_ENABLE_I18N */
- {
- unsigned int ch;
- start_ch = ((start_elem->type == SB_CHAR ) ? start_elem->opr.ch
- : ((start_elem->type == COLL_SYM) ? start_elem->opr.name[0]
- : 0));
- end_ch = ((end_elem->type == SB_CHAR ) ? end_elem->opr.ch
- : ((end_elem->type == COLL_SYM) ? end_elem->opr.name[0]
- : 0));
- if (start_ch > end_ch)
- return REG_ERANGE;
- /* Build the table for single byte characters. */
- for (ch = 0; ch < SBC_MAX; ++ch)
- if (start_ch <= ch && ch <= end_ch)
- bitset_set (sbcset, ch);
- }
-# endif /* not RE_ENABLE_I18N */
- return REG_NOERROR;
-}
-#endif /* not _LIBC */
-
-#ifndef _LIBC
-/* Helper function for parse_bracket_exp only used in case of NOT _LIBC..
- Build the collating element which is represented by NAME.
- The result are written to MBCSET and SBCSET.
- COLL_SYM_ALLOC is the allocated size of mbcset->coll_sym, is a
- pointer argument since we may update it. */
-
-static reg_errcode_t
-internal_function
-# ifdef RE_ENABLE_I18N
-build_collating_symbol (bitset_t sbcset, re_charset_t *mbcset,
- int *coll_sym_alloc, const unsigned char *name)
-# else /* not RE_ENABLE_I18N */
-build_collating_symbol (bitset_t sbcset, const unsigned char *name)
-# endif /* not RE_ENABLE_I18N */
-{
- size_t name_len = strlen ((const char *) name);
- if (BE (name_len != 1, 0))
- return REG_ECOLLATE;
- else
- {
- bitset_set (sbcset, name[0]);
- return REG_NOERROR;
- }
-}
-#endif /* not _LIBC */
-
-/* This function parse bracket expression like "[abc]", "[a-c]",
- "[[.a-a.]]" etc. */
-
-static bin_tree_t *
-parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
- reg_syntax_t syntax, reg_errcode_t *err)
-{
-#ifdef _LIBC
- const unsigned char *collseqmb;
- const char *collseqwc;
- uint32_t nrules;
- int32_t table_size;
- const int32_t *symb_table;
- const unsigned char *extra;
-
- /* Local function for parse_bracket_exp used in _LIBC environement.
- Seek the collating symbol entry correspondings to NAME.
- Return the index of the symbol in the SYMB_TABLE. */
-
- auto inline int32_t
- __attribute ((always_inline))
- seek_collating_symbol_entry (name, name_len)
- const unsigned char *name;
- size_t name_len;
- {
- int32_t hash = elem_hash ((const char *) name, name_len);
- int32_t elem = hash % table_size;
- if (symb_table[2 * elem] != 0)
- {
- int32_t second = hash % (table_size - 2) + 1;
-
- do
- {
- /* First compare the hashing value. */
- if (symb_table[2 * elem] == hash
- /* Compare the length of the name. */
- && name_len == extra[symb_table[2 * elem + 1]]
- /* Compare the name. */
- && memcmp (name, &extra[symb_table[2 * elem + 1] + 1],
- name_len) == 0)
- {
- /* Yep, this is the entry. */
- break;
- }
-
- /* Next entry. */
- elem += second;
- }
- while (symb_table[2 * elem] != 0);
- }
- return elem;
- }
-
- /* Local function for parse_bracket_exp used in _LIBC environment.
- Look up the collation sequence value of BR_ELEM.
- Return the value if succeeded, UINT_MAX otherwise. */
-
- auto inline unsigned int
- __attribute ((always_inline))
- lookup_collation_sequence_value (br_elem)
- bracket_elem_t *br_elem;
- {
- if (br_elem->type == SB_CHAR)
- {
- /*
- if (MB_CUR_MAX == 1)
- */
- if (nrules == 0)
- return collseqmb[br_elem->opr.ch];
- else
- {
- wint_t wc = __btowc (br_elem->opr.ch);
- return __collseq_table_lookup (collseqwc, wc);
- }
- }
- else if (br_elem->type == MB_CHAR)
- {
- if (nrules != 0)
- return __collseq_table_lookup (collseqwc, br_elem->opr.wch);
- }
- else if (br_elem->type == COLL_SYM)
- {
- size_t sym_name_len = strlen ((char *) br_elem->opr.name);
- if (nrules != 0)
- {
- int32_t elem, idx;
- elem = seek_collating_symbol_entry (br_elem->opr.name,
- sym_name_len);
- if (symb_table[2 * elem] != 0)
- {
- /* We found the entry. */
- idx = symb_table[2 * elem + 1];
- /* Skip the name of collating element name. */
- idx += 1 + extra[idx];
- /* Skip the byte sequence of the collating element. */
- idx += 1 + extra[idx];
- /* Adjust for the alignment. */
- idx = (idx + 3) & ~3;
- /* Skip the multibyte collation sequence value. */
- idx += sizeof (unsigned int);
- /* Skip the wide char sequence of the collating element. */
- idx += sizeof (unsigned int) *
- (1 + *(unsigned int *) (extra + idx));
- /* Return the collation sequence value. */
- return *(unsigned int *) (extra + idx);
- }
- else if (symb_table[2 * elem] == 0 && sym_name_len == 1)
- {
- /* No valid character. Match it as a single byte
- character. */
- return collseqmb[br_elem->opr.name[0]];
- }
- }
- else if (sym_name_len == 1)
- return collseqmb[br_elem->opr.name[0]];
- }
- return UINT_MAX;
- }
-
- /* Local function for parse_bracket_exp used in _LIBC environement.
- Build the range expression which starts from START_ELEM, and ends
- at END_ELEM. The result are written to MBCSET and SBCSET.
- RANGE_ALLOC is the allocated size of mbcset->range_starts, and
- mbcset->range_ends, is a pointer argument sinse we may
- update it. */
-
- auto inline reg_errcode_t
- __attribute ((always_inline))
- build_range_exp (sbcset, mbcset, range_alloc, start_elem, end_elem)
- re_charset_t *mbcset;
- int *range_alloc;
- bitset_t sbcset;
- bracket_elem_t *start_elem, *end_elem;
- {
- unsigned int ch;
- uint32_t start_collseq;
- uint32_t end_collseq;
-
- /* Equivalence Classes and Character Classes can't be a range
- start/end. */
- if (BE (start_elem->type == EQUIV_CLASS || start_elem->type == CHAR_CLASS
- || end_elem->type == EQUIV_CLASS || end_elem->type == CHAR_CLASS,
- 0))
- return REG_ERANGE;
-
- start_collseq = lookup_collation_sequence_value (start_elem);
- end_collseq = lookup_collation_sequence_value (end_elem);
- /* Check start/end collation sequence values. */
- if (BE (start_collseq == UINT_MAX || end_collseq == UINT_MAX, 0))
- return REG_ECOLLATE;
- if (BE ((syntax & RE_NO_EMPTY_RANGES) && start_collseq > end_collseq, 0))
- return REG_ERANGE;
-
- /* Got valid collation sequence values, add them as a new entry.
- However, if we have no collation elements, and the character set
- is single byte, the single byte character set that we
- build below suffices. */
- if (nrules > 0 || dfa->mb_cur_max > 1)
- {
- /* Check the space of the arrays. */
- if (BE (*range_alloc == mbcset->nranges, 0))
- {
- /* There is not enough space, need realloc. */
- uint32_t *new_array_start;
- uint32_t *new_array_end;
- int new_nranges;
-
- /* +1 in case of mbcset->nranges is 0. */
- new_nranges = 2 * mbcset->nranges + 1;
- new_array_start = re_realloc (mbcset->range_starts, uint32_t,
- new_nranges);
- new_array_end = re_realloc (mbcset->range_ends, uint32_t,
- new_nranges);
-
- if (BE (new_array_start == NULL || new_array_end == NULL, 0))
- return REG_ESPACE;
-
- mbcset->range_starts = new_array_start;
- mbcset->range_ends = new_array_end;
- *range_alloc = new_nranges;
- }
-
- mbcset->range_starts[mbcset->nranges] = start_collseq;
- mbcset->range_ends[mbcset->nranges++] = end_collseq;
- }
-
- /* Build the table for single byte characters. */
- for (ch = 0; ch < SBC_MAX; ch++)
- {
- uint32_t ch_collseq;
- /*
- if (MB_CUR_MAX == 1)
- */
- if (nrules == 0)
- ch_collseq = collseqmb[ch];
- else
- ch_collseq = __collseq_table_lookup (collseqwc, __btowc (ch));
- if (start_collseq <= ch_collseq && ch_collseq <= end_collseq)
- bitset_set (sbcset, ch);
- }
- return REG_NOERROR;
- }
-
- /* Local function for parse_bracket_exp used in _LIBC environement.
- Build the collating element which is represented by NAME.
- The result are written to MBCSET and SBCSET.
- COLL_SYM_ALLOC is the allocated size of mbcset->coll_sym, is a
- pointer argument sinse we may update it. */
-
- auto inline reg_errcode_t
- __attribute ((always_inline))
- build_collating_symbol (sbcset, mbcset, coll_sym_alloc, name)
- re_charset_t *mbcset;
- int *coll_sym_alloc;
- bitset_t sbcset;
- const unsigned char *name;
- {
- int32_t elem, idx;
- size_t name_len = strlen ((const char *) name);
- if (nrules != 0)
- {
- elem = seek_collating_symbol_entry (name, name_len);
- if (symb_table[2 * elem] != 0)
- {
- /* We found the entry. */
- idx = symb_table[2 * elem + 1];
- /* Skip the name of collating element name. */
- idx += 1 + extra[idx];
- }
- else if (symb_table[2 * elem] == 0 && name_len == 1)
- {
- /* No valid character, treat it as a normal
- character. */
- bitset_set (sbcset, name[0]);
- return REG_NOERROR;
- }
- else
- return REG_ECOLLATE;
-
- /* Got valid collation sequence, add it as a new entry. */
- /* Check the space of the arrays. */
- if (BE (*coll_sym_alloc == mbcset->ncoll_syms, 0))
- {
- /* Not enough, realloc it. */
- /* +1 in case of mbcset->ncoll_syms is 0. */
- int new_coll_sym_alloc = 2 * mbcset->ncoll_syms + 1;
- /* Use realloc since mbcset->coll_syms is NULL
- if *alloc == 0. */
- int32_t *new_coll_syms = re_realloc (mbcset->coll_syms, int32_t,
- new_coll_sym_alloc);
- if (BE (new_coll_syms == NULL, 0))
- return REG_ESPACE;
- mbcset->coll_syms = new_coll_syms;
- *coll_sym_alloc = new_coll_sym_alloc;
- }
- mbcset->coll_syms[mbcset->ncoll_syms++] = idx;
- return REG_NOERROR;
- }
- else
- {
- if (BE (name_len != 1, 0))
- return REG_ECOLLATE;
- else
- {
- bitset_set (sbcset, name[0]);
- return REG_NOERROR;
- }
- }
- }
-#endif
-
- re_token_t br_token;
- re_bitset_ptr_t sbcset;
-#ifdef RE_ENABLE_I18N
- re_charset_t *mbcset;
- int coll_sym_alloc = 0, range_alloc = 0, mbchar_alloc = 0;
- int equiv_class_alloc = 0, char_class_alloc = 0;
-#endif /* not RE_ENABLE_I18N */
- int non_match = 0;
- bin_tree_t *work_tree;
- int token_len;
- int first_round = 1;
-#ifdef _LIBC
- collseqmb = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_COLLSEQMB);
- nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
- if (nrules)
- {
- /*
- if (MB_CUR_MAX > 1)
- */
- collseqwc = _NL_CURRENT (LC_COLLATE, _NL_COLLATE_COLLSEQWC);
- table_size = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_SYMB_HASH_SIZEMB);
- symb_table = (const int32_t *) _NL_CURRENT (LC_COLLATE,
- _NL_COLLATE_SYMB_TABLEMB);
- extra = (const unsigned char *) _NL_CURRENT (LC_COLLATE,
- _NL_COLLATE_SYMB_EXTRAMB);
- }
-#endif
- sbcset = (re_bitset_ptr_t) calloc (sizeof (bitset_t), 1);
-#ifdef RE_ENABLE_I18N
- mbcset = (re_charset_t *) calloc (sizeof (re_charset_t), 1);
-#endif /* RE_ENABLE_I18N */
-#ifdef RE_ENABLE_I18N
- if (BE (sbcset == NULL || mbcset == NULL, 0))
-#else
- if (BE (sbcset == NULL, 0))
-#endif /* RE_ENABLE_I18N */
- {
- *err = REG_ESPACE;
- return NULL;
- }
-
- token_len = peek_token_bracket (token, regexp, syntax);
- if (BE (token->type == END_OF_RE, 0))
- {
- *err = REG_BADPAT;
- goto parse_bracket_exp_free_return;
- }
- if (token->type == OP_NON_MATCH_LIST)
- {
-#ifdef RE_ENABLE_I18N
- mbcset->non_match = 1;
-#endif /* not RE_ENABLE_I18N */
- non_match = 1;
- if (syntax & RE_HAT_LISTS_NOT_NEWLINE)
- bitset_set (sbcset, '\n');
- re_string_skip_bytes (regexp, token_len); /* Skip a token. */
- token_len = peek_token_bracket (token, regexp, syntax);
- if (BE (token->type == END_OF_RE, 0))
- {
- *err = REG_BADPAT;
- goto parse_bracket_exp_free_return;
- }
- }
-
- /* We treat the first ']' as a normal character. */
- if (token->type == OP_CLOSE_BRACKET)
- token->type = CHARACTER;
-
- while (1)
- {
- bracket_elem_t start_elem, end_elem;
- unsigned char start_name_buf[BRACKET_NAME_BUF_SIZE];
- unsigned char end_name_buf[BRACKET_NAME_BUF_SIZE];
- reg_errcode_t ret;
- int token_len2 = 0, is_range_exp = 0;
- re_token_t token2;
-
- start_elem.opr.name = start_name_buf;
- ret = parse_bracket_element (&start_elem, regexp, token, token_len, dfa,
- syntax, first_round);
- if (BE (ret != REG_NOERROR, 0))
- {
- *err = ret;
- goto parse_bracket_exp_free_return;
- }
- first_round = 0;
-
- /* Get information about the next token. We need it in any case. */
- token_len = peek_token_bracket (token, regexp, syntax);
-
- /* Do not check for ranges if we know they are not allowed. */
- if (start_elem.type != CHAR_CLASS && start_elem.type != EQUIV_CLASS)
- {
- if (BE (token->type == END_OF_RE, 0))
- {
- *err = REG_EBRACK;
- goto parse_bracket_exp_free_return;
- }
- if (token->type == OP_CHARSET_RANGE)
- {
- re_string_skip_bytes (regexp, token_len); /* Skip '-'. */
- token_len2 = peek_token_bracket (&token2, regexp, syntax);
- if (BE (token2.type == END_OF_RE, 0))
- {
- *err = REG_EBRACK;
- goto parse_bracket_exp_free_return;
- }
- if (token2.type == OP_CLOSE_BRACKET)
- {
- /* We treat the last '-' as a normal character. */
- re_string_skip_bytes (regexp, -token_len);
- token->type = CHARACTER;
- }
- else
- is_range_exp = 1;
- }
- }
-
- if (is_range_exp == 1)
- {
- end_elem.opr.name = end_name_buf;
- ret = parse_bracket_element (&end_elem, regexp, &token2, token_len2,
- dfa, syntax, 1);
- if (BE (ret != REG_NOERROR, 0))
- {
- *err = ret;
- goto parse_bracket_exp_free_return;
- }
-
- token_len = peek_token_bracket (token, regexp, syntax);
-
-#ifdef _LIBC
- *err = build_range_exp (sbcset, mbcset, &range_alloc,
- &start_elem, &end_elem);
-#else
-# ifdef RE_ENABLE_I18N
- *err = build_range_exp (sbcset,
- dfa->mb_cur_max > 1 ? mbcset : NULL,
- &range_alloc, &start_elem, &end_elem);
-# else
- *err = build_range_exp (sbcset, &start_elem, &end_elem);
-# endif
-#endif /* RE_ENABLE_I18N */
- if (BE (*err != REG_NOERROR, 0))
- goto parse_bracket_exp_free_return;
- }
- else
- {
- switch (start_elem.type)
- {
- case SB_CHAR:
- bitset_set (sbcset, start_elem.opr.ch);
- break;
-#ifdef RE_ENABLE_I18N
- case MB_CHAR:
- /* Check whether the array has enough space. */
- if (BE (mbchar_alloc == mbcset->nmbchars, 0))
- {
- wchar_t *new_mbchars;
- /* Not enough, realloc it. */
- /* +1 in case of mbcset->nmbchars is 0. */
- mbchar_alloc = 2 * mbcset->nmbchars + 1;
- /* Use realloc since array is NULL if *alloc == 0. */
- new_mbchars = re_realloc (mbcset->mbchars, wchar_t,
- mbchar_alloc);
- if (BE (new_mbchars == NULL, 0))
- goto parse_bracket_exp_espace;
- mbcset->mbchars = new_mbchars;
- }
- mbcset->mbchars[mbcset->nmbchars++] = start_elem.opr.wch;
- break;
-#endif /* RE_ENABLE_I18N */
- case EQUIV_CLASS:
- *err = build_equiv_class (sbcset,
-#ifdef RE_ENABLE_I18N
- mbcset, &equiv_class_alloc,
-#endif /* RE_ENABLE_I18N */
- start_elem.opr.name);
- if (BE (*err != REG_NOERROR, 0))
- goto parse_bracket_exp_free_return;
- break;
- case COLL_SYM:
- *err = build_collating_symbol (sbcset,
-#ifdef RE_ENABLE_I18N
- mbcset, &coll_sym_alloc,
-#endif /* RE_ENABLE_I18N */
- start_elem.opr.name);
- if (BE (*err != REG_NOERROR, 0))
- goto parse_bracket_exp_free_return;
- break;
- case CHAR_CLASS:
- *err = build_charclass (regexp->trans, sbcset,
-#ifdef RE_ENABLE_I18N
- mbcset, &char_class_alloc,
-#endif /* RE_ENABLE_I18N */
- (const char *) start_elem.opr.name, syntax);
- if (BE (*err != REG_NOERROR, 0))
- goto parse_bracket_exp_free_return;
- break;
- default:
- assert (0);
- break;
- }
- }
- if (BE (token->type == END_OF_RE, 0))
- {
- *err = REG_EBRACK;
- goto parse_bracket_exp_free_return;
- }
- if (token->type == OP_CLOSE_BRACKET)
- break;
- }
-
- re_string_skip_bytes (regexp, token_len); /* Skip a token. */
-
- /* If it is non-matching list. */
- if (non_match)
- bitset_not (sbcset);
-
-#ifdef RE_ENABLE_I18N
- /* Ensure only single byte characters are set. */
- if (dfa->mb_cur_max > 1)
- bitset_mask (sbcset, dfa->sb_char);
-
- if (mbcset->nmbchars || mbcset->ncoll_syms || mbcset->nequiv_classes
- || mbcset->nranges || (dfa->mb_cur_max > 1 && (mbcset->nchar_classes
- || mbcset->non_match)))
- {
- bin_tree_t *mbc_tree;
- int sbc_idx;
- /* Build a tree for complex bracket. */
- dfa->has_mb_node = 1;
- br_token.type = COMPLEX_BRACKET;
- br_token.opr.mbcset = mbcset;
- mbc_tree = create_token_tree (dfa, NULL, NULL, &br_token);
- if (BE (mbc_tree == NULL, 0))
- goto parse_bracket_exp_espace;
- for (sbc_idx = 0; sbc_idx < BITSET_WORDS; ++sbc_idx)
- if (sbcset[sbc_idx])
- break;
- /* If there are no bits set in sbcset, there is no point
- of having both SIMPLE_BRACKET and COMPLEX_BRACKET. */
- if (sbc_idx < BITSET_WORDS)
- {
- /* Build a tree for simple bracket. */
- br_token.type = SIMPLE_BRACKET;
- br_token.opr.sbcset = sbcset;
- work_tree = create_token_tree (dfa, NULL, NULL, &br_token);
- if (BE (work_tree == NULL, 0))
- goto parse_bracket_exp_espace;
-
- /* Then join them by ALT node. */
- work_tree = create_tree (dfa, work_tree, mbc_tree, OP_ALT);
- if (BE (work_tree == NULL, 0))
- goto parse_bracket_exp_espace;
- }
- else
- {
- re_free (sbcset);
- work_tree = mbc_tree;
- }
- }
- else
-#endif /* not RE_ENABLE_I18N */
- {
-#ifdef RE_ENABLE_I18N
- free_charset (mbcset);
-#endif
- /* Build a tree for simple bracket. */
- br_token.type = SIMPLE_BRACKET;
- br_token.opr.sbcset = sbcset;
- work_tree = create_token_tree (dfa, NULL, NULL, &br_token);
- if (BE (work_tree == NULL, 0))
- goto parse_bracket_exp_espace;
- }
- return work_tree;
-
- parse_bracket_exp_espace:
- *err = REG_ESPACE;
- parse_bracket_exp_free_return:
- re_free (sbcset);
-#ifdef RE_ENABLE_I18N
- free_charset (mbcset);
-#endif /* RE_ENABLE_I18N */
- return NULL;
-}
-
-/* Parse an element in the bracket expression. */
-
-static reg_errcode_t
-parse_bracket_element (bracket_elem_t *elem, re_string_t *regexp,
- re_token_t *token, int token_len, UNUSED re_dfa_t *dfa,
- reg_syntax_t syntax, int accept_hyphen)
-{
-#ifdef RE_ENABLE_I18N
- int cur_char_size;
- cur_char_size = re_string_char_size_at (regexp, re_string_cur_idx (regexp));
- if (cur_char_size > 1)
- {
- elem->type = MB_CHAR;
- elem->opr.wch = re_string_wchar_at (regexp, re_string_cur_idx (regexp));
- re_string_skip_bytes (regexp, cur_char_size);
- return REG_NOERROR;
- }
-#endif /* RE_ENABLE_I18N */
- re_string_skip_bytes (regexp, token_len); /* Skip a token. */
- if (token->type == OP_OPEN_COLL_ELEM || token->type == OP_OPEN_CHAR_CLASS
- || token->type == OP_OPEN_EQUIV_CLASS)
- return parse_bracket_symbol (elem, regexp, token);
- if (BE (token->type == OP_CHARSET_RANGE, 0) && !accept_hyphen)
- {
- /* A '-' must only appear as anything but a range indicator before
- the closing bracket. Everything else is an error. */
- re_token_t token2;
- (void) peek_token_bracket (&token2, regexp, syntax);
- if (token2.type != OP_CLOSE_BRACKET)
- /* The actual error value is not standardized since this whole
- case is undefined. But ERANGE makes good sense. */
- return REG_ERANGE;
- }
- elem->type = SB_CHAR;
- elem->opr.ch = token->opr.c;
- return REG_NOERROR;
-}
-
-/* Parse a bracket symbol in the bracket expression. Bracket symbols are
- such as [:<character_class>:], [.<collating_element>.], and
- [=<equivalent_class>=]. */
-
-static reg_errcode_t
-parse_bracket_symbol (bracket_elem_t *elem, re_string_t *regexp,
- re_token_t *token)
-{
- unsigned char ch, delim = token->opr.c;
- int i = 0;
- if (re_string_eoi(regexp))
- return REG_EBRACK;
- for (;; ++i)
- {
- if (i >= BRACKET_NAME_BUF_SIZE)
- return REG_EBRACK;
- if (token->type == OP_OPEN_CHAR_CLASS)
- ch = re_string_fetch_byte_case (regexp);
- else
- ch = re_string_fetch_byte (regexp);
- if (re_string_eoi(regexp))
- return REG_EBRACK;
- if (ch == delim && re_string_peek_byte (regexp, 0) == ']')
- break;
- elem->opr.name[i] = ch;
- }
- re_string_skip_bytes (regexp, 1);
- elem->opr.name[i] = '\0';
- switch (token->type)
- {
- case OP_OPEN_COLL_ELEM:
- elem->type = COLL_SYM;
- break;
- case OP_OPEN_EQUIV_CLASS:
- elem->type = EQUIV_CLASS;
- break;
- case OP_OPEN_CHAR_CLASS:
- elem->type = CHAR_CLASS;
- break;
- default:
- break;
- }
- return REG_NOERROR;
-}
-
- /* Helper function for parse_bracket_exp.
- Build the equivalence class which is represented by NAME.
- The result are written to MBCSET and SBCSET.
- EQUIV_CLASS_ALLOC is the allocated size of mbcset->equiv_classes,
- is a pointer argument sinse we may update it. */
-
-static reg_errcode_t
-#ifdef RE_ENABLE_I18N
-build_equiv_class (bitset_t sbcset, re_charset_t *mbcset,
- int *equiv_class_alloc, const unsigned char *name)
-#else /* not RE_ENABLE_I18N */
-build_equiv_class (bitset_t sbcset, const unsigned char *name)
-#endif /* not RE_ENABLE_I18N */
-{
-#ifdef _LIBC
- uint32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
- if (nrules != 0)
- {
- const int32_t *table, *indirect;
- const unsigned char *weights, *extra, *cp;
- unsigned char char_buf[2];
- int32_t idx1, idx2;
- unsigned int ch;
- size_t len;
- /* This #include defines a local function! */
-# include <locale/weight.h>
- /* Calculate the index for equivalence class. */
- cp = name;
- table = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
- weights = (const unsigned char *) _NL_CURRENT (LC_COLLATE,
- _NL_COLLATE_WEIGHTMB);
- extra = (const unsigned char *) _NL_CURRENT (LC_COLLATE,
- _NL_COLLATE_EXTRAMB);
- indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE,
- _NL_COLLATE_INDIRECTMB);
- idx1 = findidx (&cp);
- if (BE (idx1 == 0 || cp < name + strlen ((const char *) name), 0))
- /* This isn't a valid character. */
- return REG_ECOLLATE;
-
- /* Build single byte matcing table for this equivalence class. */
- char_buf[1] = (unsigned char) '\0';
- len = weights[idx1 & 0xffffff];
- for (ch = 0; ch < SBC_MAX; ++ch)
- {
- char_buf[0] = ch;
- cp = char_buf;
- idx2 = findidx (&cp);
-/*
- idx2 = table[ch];
-*/
- if (idx2 == 0)
- /* This isn't a valid character. */
- continue;
- /* Compare only if the length matches and the collation rule
- index is the same. */
- if (len == weights[idx2 & 0xffffff] && (idx1 >> 24) == (idx2 >> 24))
- {
- int cnt = 0;
-
- while (cnt <= len &&
- weights[(idx1 & 0xffffff) + 1 + cnt]
- == weights[(idx2 & 0xffffff) + 1 + cnt])
- ++cnt;
-
- if (cnt > len)
- bitset_set (sbcset, ch);
- }
- }
- /* Check whether the array has enough space. */
- if (BE (*equiv_class_alloc == mbcset->nequiv_classes, 0))
- {
- /* Not enough, realloc it. */
- /* +1 in case of mbcset->nequiv_classes is 0. */
- int new_equiv_class_alloc = 2 * mbcset->nequiv_classes + 1;
- /* Use realloc since the array is NULL if *alloc == 0. */
- int32_t *new_equiv_classes = re_realloc (mbcset->equiv_classes,
- int32_t,
- new_equiv_class_alloc);
- if (BE (new_equiv_classes == NULL, 0))
- return REG_ESPACE;
- mbcset->equiv_classes = new_equiv_classes;
- *equiv_class_alloc = new_equiv_class_alloc;
- }
- mbcset->equiv_classes[mbcset->nequiv_classes++] = idx1;
- }
- else
-#endif /* _LIBC */
- {
- if (BE (strlen ((const char *) name) != 1, 0))
- return REG_ECOLLATE;
- bitset_set (sbcset, *name);
- }
- return REG_NOERROR;
-}
-
- /* Helper function for parse_bracket_exp.
- Build the character class which is represented by NAME.
- The result are written to MBCSET and SBCSET.
- CHAR_CLASS_ALLOC is the allocated size of mbcset->char_classes,
- is a pointer argument sinse we may update it. */
-
-static reg_errcode_t
-#ifdef RE_ENABLE_I18N
-build_charclass (RE_TRANSLATE_TYPE trans, bitset_t sbcset,
- re_charset_t *mbcset, int *char_class_alloc,
- const char *class_name, reg_syntax_t syntax)
-#else /* not RE_ENABLE_I18N */
-build_charclass (RE_TRANSLATE_TYPE trans, bitset_t sbcset,
- const char *class_name, reg_syntax_t syntax)
-#endif /* not RE_ENABLE_I18N */
-{
- int i;
-
- /* In case of REG_ICASE "upper" and "lower" match the both of
- upper and lower cases. */
- if ((syntax & RE_ICASE)
- && (strcmp (class_name, "upper") == 0 || strcmp (class_name, "lower") == 0))
- class_name = "alpha";
-
-#ifdef RE_ENABLE_I18N
- /* Check the space of the arrays. */
- if (BE (*char_class_alloc == mbcset->nchar_classes, 0))
- {
- /* Not enough, realloc it. */
- /* +1 in case of mbcset->nchar_classes is 0. */
- int new_char_class_alloc = 2 * mbcset->nchar_classes + 1;
- /* Use realloc since array is NULL if *alloc == 0. */
- wctype_t *new_char_classes = re_realloc (mbcset->char_classes, wctype_t,
- new_char_class_alloc);
- if (BE (new_char_classes == NULL, 0))
- return REG_ESPACE;
- mbcset->char_classes = new_char_classes;
- *char_class_alloc = new_char_class_alloc;
- }
- mbcset->char_classes[mbcset->nchar_classes++] = __wctype (class_name);
-#endif /* RE_ENABLE_I18N */
-
-#define BUILD_CHARCLASS_LOOP(ctype_func) \
- do { \
- if (BE (trans != NULL, 0)) \
- { \
- for (i = 0; i < SBC_MAX; ++i) \
- if (ctype_func (i)) \
- bitset_set (sbcset, trans[i]); \
- } \
- else \
- { \
- for (i = 0; i < SBC_MAX; ++i) \
- if (ctype_func (i)) \
- bitset_set (sbcset, i); \
- } \
- } while (0)
-
- if (strcmp (class_name, "alnum") == 0)
- BUILD_CHARCLASS_LOOP (isalnum);
- else if (strcmp (class_name, "cntrl") == 0)
- BUILD_CHARCLASS_LOOP (iscntrl);
- else if (strcmp (class_name, "lower") == 0)
- BUILD_CHARCLASS_LOOP (islower);
- else if (strcmp (class_name, "space") == 0)
- BUILD_CHARCLASS_LOOP (isspace);
- else if (strcmp (class_name, "alpha") == 0)
- BUILD_CHARCLASS_LOOP (isalpha);
- else if (strcmp (class_name, "digit") == 0)
- BUILD_CHARCLASS_LOOP (isdigit);
- else if (strcmp (class_name, "print") == 0)
- BUILD_CHARCLASS_LOOP (isprint);
- else if (strcmp (class_name, "upper") == 0)
- BUILD_CHARCLASS_LOOP (isupper);
- else if (strcmp (class_name, "blank") == 0)
-#ifndef GAWK
- BUILD_CHARCLASS_LOOP (isblank);
-#else
- /* see comments above */
- BUILD_CHARCLASS_LOOP (is_blank);
-#endif
- else if (strcmp (class_name, "graph") == 0)
- BUILD_CHARCLASS_LOOP (isgraph);
- else if (strcmp (class_name, "punct") == 0)
- BUILD_CHARCLASS_LOOP (ispunct);
- else if (strcmp (class_name, "xdigit") == 0)
- BUILD_CHARCLASS_LOOP (isxdigit);
- else
- return REG_ECTYPE;
-
- return REG_NOERROR;
-}
-
-static bin_tree_t *
-build_charclass_op (re_dfa_t *dfa, RE_TRANSLATE_TYPE trans,
- const char *class_name,
- const char *extra, int non_match,
- reg_errcode_t *err)
-{
- re_bitset_ptr_t sbcset;
-#ifdef RE_ENABLE_I18N
- re_charset_t *mbcset;
- int alloc = 0;
-#endif /* not RE_ENABLE_I18N */
- reg_errcode_t ret;
- re_token_t br_token;
- bin_tree_t *tree;
-
- sbcset = (re_bitset_ptr_t) calloc (sizeof (bitset_t), 1);
-#ifdef RE_ENABLE_I18N
- mbcset = (re_charset_t *) calloc (sizeof (re_charset_t), 1);
-#endif /* RE_ENABLE_I18N */
-
-#ifdef RE_ENABLE_I18N
- if (BE (sbcset == NULL || mbcset == NULL, 0))
-#else /* not RE_ENABLE_I18N */
- if (BE (sbcset == NULL, 0))
-#endif /* not RE_ENABLE_I18N */
- {
- *err = REG_ESPACE;
- return NULL;
- }
-
- if (non_match)
- {
-#ifdef RE_ENABLE_I18N
- mbcset->non_match = 1;
-#endif /* not RE_ENABLE_I18N */
- }
-
- /* We don't care the syntax in this case. */
- ret = build_charclass (trans, sbcset,
-#ifdef RE_ENABLE_I18N
- mbcset, &alloc,
-#endif /* RE_ENABLE_I18N */
- class_name, 0);
-
- if (BE (ret != REG_NOERROR, 0))
- {
- re_free (sbcset);
-#ifdef RE_ENABLE_I18N
- free_charset (mbcset);
-#endif /* RE_ENABLE_I18N */
- *err = ret;
- return NULL;
- }
- /* \w match '_' also. */
- for (; *extra; extra++)
- bitset_set (sbcset, *extra);
-
- /* If it is non-matching list. */
- if (non_match)
- bitset_not (sbcset);
-
-#ifdef RE_ENABLE_I18N
- /* Ensure only single byte characters are set. */
- if (dfa->mb_cur_max > 1)
- bitset_mask (sbcset, dfa->sb_char);
-#endif
-
- /* Build a tree for simple bracket. */
- br_token.type = SIMPLE_BRACKET;
- br_token.opr.sbcset = sbcset;
- tree = create_token_tree (dfa, NULL, NULL, &br_token);
- if (BE (tree == NULL, 0))
- goto build_word_op_espace;
-
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- {
- bin_tree_t *mbc_tree;
- /* Build a tree for complex bracket. */
- br_token.type = COMPLEX_BRACKET;
- br_token.opr.mbcset = mbcset;
- dfa->has_mb_node = 1;
- mbc_tree = create_token_tree (dfa, NULL, NULL, &br_token);
- if (BE (mbc_tree == NULL, 0))
- goto build_word_op_espace;
- /* Then join them by ALT node. */
- tree = create_tree (dfa, tree, mbc_tree, OP_ALT);
- if (BE (mbc_tree != NULL, 1))
- return tree;
- }
- else
- {
- free_charset (mbcset);
- return tree;
- }
-#else /* not RE_ENABLE_I18N */
- return tree;
-#endif /* not RE_ENABLE_I18N */
-
- build_word_op_espace:
- re_free (sbcset);
-#ifdef RE_ENABLE_I18N
- free_charset (mbcset);
-#endif /* RE_ENABLE_I18N */
- *err = REG_ESPACE;
- return NULL;
-}
-
-/* This is intended for the expressions like "a{1,3}".
- Fetch a number from `input', and return the number.
- Return -1, if the number field is empty like "{,1}".
- Return -2, If an error is occured. */
-
-static int
-fetch_number (re_string_t *input, re_token_t *token, reg_syntax_t syntax)
-{
- int num = -1;
- unsigned char c;
- while (1)
- {
- fetch_token (token, input, syntax);
- c = token->opr.c;
- if (BE (token->type == END_OF_RE, 0))
- return -2;
- if (token->type == OP_CLOSE_DUP_NUM || c == ',')
- break;
- num = ((token->type != CHARACTER || c < '0' || '9' < c || num == -2)
- ? -2 : ((num == -1) ? c - '0' : num * 10 + c - '0'));
- num = (num > RE_DUP_MAX) ? -2 : num;
- }
- return num;
-}
-
-#ifdef RE_ENABLE_I18N
-static void
-free_charset (re_charset_t *cset)
-{
- re_free (cset->mbchars);
-# ifdef _LIBC
- re_free (cset->coll_syms);
- re_free (cset->equiv_classes);
- re_free (cset->range_starts);
- re_free (cset->range_ends);
-# endif
- re_free (cset->char_classes);
- re_free (cset);
-}
-#endif /* RE_ENABLE_I18N */
-
-/* Functions for binary tree operation. */
-
-/* Create a tree node. */
-
-static bin_tree_t *
-create_tree (re_dfa_t *dfa, bin_tree_t *left, bin_tree_t *right,
- re_token_type_t type)
-{
- re_token_t t;
- t.type = type;
- return create_token_tree (dfa, left, right, &t);
-}
-
-static bin_tree_t *
-create_token_tree (re_dfa_t *dfa, bin_tree_t *left, bin_tree_t *right,
- const re_token_t *token)
-{
- bin_tree_t *tree;
- if (BE (dfa->str_tree_storage_idx == BIN_TREE_STORAGE_SIZE, 0))
- {
- bin_tree_storage_t *storage = re_malloc (bin_tree_storage_t, 1);
-
- if (storage == NULL)
- return NULL;
- storage->next = dfa->str_tree_storage;
- dfa->str_tree_storage = storage;
- dfa->str_tree_storage_idx = 0;
- }
- tree = &dfa->str_tree_storage->data[dfa->str_tree_storage_idx++];
-
- tree->parent = NULL;
- tree->left = left;
- tree->right = right;
- tree->token = *token;
- tree->token.duplicated = 0;
- tree->token.opt_subexp = 0;
- tree->first = NULL;
- tree->next = NULL;
- tree->node_idx = -1;
-
- if (left != NULL)
- left->parent = tree;
- if (right != NULL)
- right->parent = tree;
- return tree;
-}
-
-/* Mark the tree SRC as an optional subexpression.
- To be called from preorder or postorder. */
-
-static reg_errcode_t
-mark_opt_subexp (void *extra, bin_tree_t *node)
-{
- int idx = (int) (long) extra;
- if (node->token.type == SUBEXP && node->token.opr.idx == idx)
- node->token.opt_subexp = 1;
-
- return REG_NOERROR;
-}
-
-/* Free the allocated memory inside NODE. */
-
-static void
-free_token (re_token_t *node)
-{
-#ifdef RE_ENABLE_I18N
- if (node->type == COMPLEX_BRACKET && node->duplicated == 0)
- free_charset (node->opr.mbcset);
- else
-#endif /* RE_ENABLE_I18N */
- if (node->type == SIMPLE_BRACKET && node->duplicated == 0)
- re_free (node->opr.sbcset);
-}
-
-/* Worker function for tree walking. Free the allocated memory inside NODE
- and its children. */
-
-static reg_errcode_t
-free_tree (UNUSED void *extra, bin_tree_t *node)
-{
- free_token (&node->token);
- return REG_NOERROR;
-}
-
-
-/* Duplicate the node SRC, and return new node. This is a preorder
- visit similar to the one implemented by the generic visitor, but
- we need more infrastructure to maintain two parallel trees --- so,
- it's easier to duplicate. */
-
-static bin_tree_t *
-duplicate_tree (const bin_tree_t *root, re_dfa_t *dfa)
-{
- const bin_tree_t *node;
- bin_tree_t *dup_root;
- bin_tree_t **p_new = &dup_root, *dup_node = root->parent;
-
- for (node = root; ; )
- {
- /* Create a new tree and link it back to the current parent. */
- *p_new = create_token_tree (dfa, NULL, NULL, &node->token);
- if (*p_new == NULL)
- return NULL;
- (*p_new)->parent = dup_node;
- (*p_new)->token.duplicated = 1;
- dup_node = *p_new;
-
- /* Go to the left node, or up and to the right. */
- if (node->left)
- {
- node = node->left;
- p_new = &dup_node->left;
- }
- else
- {
- const bin_tree_t *prev = NULL;
- while (node->right == prev || node->right == NULL)
- {
- prev = node;
- node = node->parent;
- dup_node = dup_node->parent;
- if (!node)
- return dup_root;
- }
- node = node->right;
- p_new = &dup_node->right;
- }
- }
-}
diff --git a/deps/regex/regex.c b/deps/regex/regex.c
deleted file mode 100644
index 225a001..0000000
--- a/deps/regex/regex.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Extended regular expression matching and search library.
- Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
-
-#include "config.h"
-
-/* Make sure noone compiles this code with a C++ compiler. */
-#ifdef __cplusplus
-# error "This is C code, use a C compiler"
-#endif
-
-#ifdef _LIBC
-/* We have to keep the namespace clean. */
-# define regfree(preg) __regfree (preg)
-# define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
-# define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
-# define regerror(errcode, preg, errbuf, errbuf_size) \
- __regerror(errcode, preg, errbuf, errbuf_size)
-# define re_set_registers(bu, re, nu, st, en) \
- __re_set_registers (bu, re, nu, st, en)
-# define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
- __re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
-# define re_match(bufp, string, size, pos, regs) \
- __re_match (bufp, string, size, pos, regs)
-# define re_search(bufp, string, size, startpos, range, regs) \
- __re_search (bufp, string, size, startpos, range, regs)
-# define re_compile_pattern(pattern, length, bufp) \
- __re_compile_pattern (pattern, length, bufp)
-# define re_set_syntax(syntax) __re_set_syntax (syntax)
-# define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
- __re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
-# define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
-
-# include "../locale/localeinfo.h"
-#endif
-
-#if defined (_MSC_VER)
-#include <stdio.h> /* for size_t */
-#endif
-
-/* On some systems, limits.h sets RE_DUP_MAX to a lower value than
- GNU regex allows. Include it before <regex.h>, which correctly
- #undefs RE_DUP_MAX and sets it to the right value. */
-#include <limits.h>
-
-#ifdef GAWK
-#undef alloca
-#define alloca alloca_is_bad_you_should_never_use_it
-#endif
-#include <regex.h>
-#include "regex_internal.h"
-
-#include "regex_internal.c"
-
-#ifdef GAWK
-# define bool int
-
-# ifndef true
-# define true (1)
-# endif
-
-# ifndef false
-# define false (0)
-# endif
-#endif
-#include "regcomp.c"
-#include "regexec.c"
-
-/* Binary backward compatibility. */
-#if _LIBC
-# include <shlib-compat.h>
-# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
-link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
-int re_max_failures = 2000;
-# endif
-#endif
diff --git a/deps/regex/regex.h b/deps/regex/regex.h
deleted file mode 100644
index 61c9683..0000000
--- a/deps/regex/regex.h
+++ /dev/null
@@ -1,582 +0,0 @@
-#include <stdio.h>
-#include <stddef.h>
-
-/* Definitions for data structures and routines for the regular
- expression library.
- Copyright (C) 1985,1989-93,1995-98,2000,2001,2002,2003,2005,2006,2008
- Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
-
-#ifndef _REGEX_H
-#define _REGEX_H 1
-
-#ifdef HAVE_STDDEF_H
-#include <stddef.h>
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#ifndef _LIBC
-#define __USE_GNU 1
-#endif
-
-/* Allow the use in C++ code. */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* The following two types have to be signed and unsigned integer type
- wide enough to hold a value of a pointer. For most ANSI compilers
- ptrdiff_t and size_t should be likely OK. Still size of these two
- types is 2 for Microsoft C. Ugh... */
-typedef long int s_reg_t;
-typedef unsigned long int active_reg_t;
-
-/* The following bits are used to determine the regexp syntax we
- recognize. The set/not-set meanings are chosen so that Emacs syntax
- remains the value 0. The bits are given in alphabetical order, and
- the definitions shifted by one from the previous bit; thus, when we
- add or remove a bit, only one other definition need change. */
-typedef unsigned long int reg_syntax_t;
-
-#ifdef __USE_GNU
-/* If this bit is not set, then \ inside a bracket expression is literal.
- If set, then such a \ quotes the following character. */
-# define RE_BACKSLASH_ESCAPE_IN_LISTS ((unsigned long int) 1)
-
-/* If this bit is not set, then + and ? are operators, and \+ and \? are
- literals.
- If set, then \+ and \? are operators and + and ? are literals. */
-# define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1)
-
-/* If this bit is set, then character classes are supported. They are:
- [:alpha:], [:upper:], [:lower:], [:digit:], [:alnum:], [:xdigit:],
- [:space:], [:print:], [:punct:], [:graph:], and [:cntrl:].
- If not set, then character classes are not supported. */
-# define RE_CHAR_CLASSES (RE_BK_PLUS_QM << 1)
-
-/* If this bit is set, then ^ and $ are always anchors (outside bracket
- expressions, of course).
- If this bit is not set, then it depends:
- ^ is an anchor if it is at the beginning of a regular
- expression or after an open-group or an alternation operator;
- $ is an anchor if it is at the end of a regular expression, or
- before a close-group or an alternation operator.
-
- This bit could be (re)combined with RE_CONTEXT_INDEP_OPS, because
- POSIX draft 11.2 says that * etc. in leading positions is undefined.
- We already implemented a previous draft which made those constructs
- invalid, though, so we haven't changed the code back. */
-# define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
-
-/* If this bit is set, then special characters are always special
- regardless of where they are in the pattern.
- If this bit is not set, then special characters are special only in
- some contexts; otherwise they are ordinary. Specifically,
- * + ? and intervals are only special when not after the beginning,
- open-group, or alternation operator. */
-# define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1)
-
-/* If this bit is set, then *, +, ?, and { cannot be first in an re or
- immediately after an alternation or begin-group operator. */
-# define RE_CONTEXT_INVALID_OPS (RE_CONTEXT_INDEP_OPS << 1)
-
-/* If this bit is set, then . matches newline.
- If not set, then it doesn't. */
-# define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1)
-
-/* If this bit is set, then . doesn't match NUL.
- If not set, then it does. */
-# define RE_DOT_NOT_NULL (RE_DOT_NEWLINE << 1)
-
-/* If this bit is set, nonmatching lists [^...] do not match newline.
- If not set, they do. */
-# define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1)
-
-/* If this bit is set, either \{...\} or {...} defines an
- interval, depending on RE_NO_BK_BRACES.
- If not set, \{, \}, {, and } are literals. */
-# define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
-
-/* If this bit is set, +, ? and | aren't recognized as operators.
- If not set, they are. */
-# define RE_LIMITED_OPS (RE_INTERVALS << 1)
-
-/* If this bit is set, newline is an alternation operator.
- If not set, newline is literal. */
-# define RE_NEWLINE_ALT (RE_LIMITED_OPS << 1)
-
-/* If this bit is set, then `{...}' defines an interval, and \{ and \}
- are literals.
- If not set, then `\{...\}' defines an interval. */
-# define RE_NO_BK_BRACES (RE_NEWLINE_ALT << 1)
-
-/* If this bit is set, (...) defines a group, and \( and \) are literals.
- If not set, \(...\) defines a group, and ( and ) are literals. */
-# define RE_NO_BK_PARENS (RE_NO_BK_BRACES << 1)
-
-/* If this bit is set, then \<digit> matches <digit>.
- If not set, then \<digit> is a back-reference. */
-# define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1)
-
-/* If this bit is set, then | is an alternation operator, and \| is literal.
- If not set, then \| is an alternation operator, and | is literal. */
-# define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1)
-
-/* If this bit is set, then an ending range point collating higher
- than the starting range point, as in [z-a], is invalid.
- If not set, then when ending range point collates higher than the
- starting range point, the range is ignored. */
-# define RE_NO_EMPTY_RANGES (RE_NO_BK_VBAR << 1)
-
-/* If this bit is set, then an unmatched ) is ordinary.
- If not set, then an unmatched ) is invalid. */
-# define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1)
-
-/* If this bit is set, succeed as soon as we match the whole pattern,
- without further backtracking. */
-# define RE_NO_POSIX_BACKTRACKING (RE_UNMATCHED_RIGHT_PAREN_ORD << 1)
-
-/* If this bit is set, do not process the GNU regex operators.
- If not set, then the GNU regex operators are recognized. */
-# define RE_NO_GNU_OPS (RE_NO_POSIX_BACKTRACKING << 1)
-
-/* If this bit is set, a syntactically invalid interval is treated as
- a string of ordinary characters. For example, the ERE 'a{1' is
- treated as 'a\{1'. */
-# define RE_INVALID_INTERVAL_ORD (RE_NO_GNU_OPS << 1)
-
-/* If this bit is set, then ignore case when matching.
- If not set, then case is significant. */
-# define RE_ICASE (RE_INVALID_INTERVAL_ORD << 1)
-
-/* This bit is used internally like RE_CONTEXT_INDEP_ANCHORS but only
- for ^, because it is difficult to scan the regex backwards to find
- whether ^ should be special. */
-# define RE_CARET_ANCHORS_HERE (RE_ICASE << 1)
-
-/* If this bit is set, then \{ cannot be first in an bre or
- immediately after an alternation or begin-group operator. */
-# define RE_CONTEXT_INVALID_DUP (RE_CARET_ANCHORS_HERE << 1)
-
-/* If this bit is set, then no_sub will be set to 1 during
- re_compile_pattern. */
-#define RE_NO_SUB (RE_CONTEXT_INVALID_DUP << 1)
-#endif
-
-/* This global variable defines the particular regexp syntax to use (for
- some interfaces). When a regexp is compiled, the syntax used is
- stored in the pattern buffer, so changing this does not affect
- already-compiled regexps. */
-extern reg_syntax_t re_syntax_options;
-
-#ifdef __USE_GNU
-/* Define combinations of the above bits for the standard possibilities.
- (The [[[ comments delimit what gets put into the Texinfo file, so
- don't delete them!) */
-/* [[[begin syntaxes]]] */
-#define RE_SYNTAX_EMACS 0
-
-#define RE_SYNTAX_AWK \
- (RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DOT_NOT_NULL \
- | RE_NO_BK_PARENS | RE_NO_BK_REFS \
- | RE_NO_BK_VBAR | RE_NO_EMPTY_RANGES \
- | RE_DOT_NEWLINE | RE_CONTEXT_INDEP_ANCHORS \
- | RE_UNMATCHED_RIGHT_PAREN_ORD | RE_NO_GNU_OPS)
-
-#define RE_SYNTAX_GNU_AWK \
- ((RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS \
- | RE_INVALID_INTERVAL_ORD) \
- & ~(RE_DOT_NOT_NULL | RE_CONTEXT_INDEP_OPS \
- | RE_CONTEXT_INVALID_OPS ))
-
-#define RE_SYNTAX_POSIX_AWK \
- (RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS \
- | RE_INTERVALS | RE_NO_GNU_OPS \
- | RE_INVALID_INTERVAL_ORD)
-
-#define RE_SYNTAX_GREP \
- (RE_BK_PLUS_QM | RE_CHAR_CLASSES \
- | RE_HAT_LISTS_NOT_NEWLINE | RE_INTERVALS \
- | RE_NEWLINE_ALT)
-
-#define RE_SYNTAX_EGREP \
- (RE_CHAR_CLASSES | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INDEP_OPS | RE_HAT_LISTS_NOT_NEWLINE \
- | RE_NEWLINE_ALT | RE_NO_BK_PARENS \
- | RE_NO_BK_VBAR)
-
-#define RE_SYNTAX_POSIX_EGREP \
- (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES \
- | RE_INVALID_INTERVAL_ORD)
-
-/* P1003.2/D11.2, section 4.20.7.1, lines 5078ff. */
-#define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC
-
-#define RE_SYNTAX_SED RE_SYNTAX_POSIX_BASIC
-
-/* Syntax bits common to both basic and extended POSIX regex syntax. */
-#define _RE_SYNTAX_POSIX_COMMON \
- (RE_CHAR_CLASSES | RE_DOT_NEWLINE | RE_DOT_NOT_NULL \
- | RE_INTERVALS | RE_NO_EMPTY_RANGES)
-
-#define RE_SYNTAX_POSIX_BASIC \
- (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM | RE_CONTEXT_INVALID_DUP)
-
-/* Differs from ..._POSIX_BASIC only in that RE_BK_PLUS_QM becomes
- RE_LIMITED_OPS, i.e., \? \+ \| are not recognized. Actually, this
- isn't minimal, since other operators, such as \`, aren't disabled. */
-#define RE_SYNTAX_POSIX_MINIMAL_BASIC \
- (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS)
-
-#define RE_SYNTAX_POSIX_EXTENDED \
- (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INDEP_OPS | RE_NO_BK_BRACES \
- | RE_NO_BK_PARENS | RE_NO_BK_VBAR \
- | RE_CONTEXT_INVALID_OPS | RE_UNMATCHED_RIGHT_PAREN_ORD)
-
-/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INDEP_OPS is
- removed and RE_NO_BK_REFS is added. */
-#define RE_SYNTAX_POSIX_MINIMAL_EXTENDED \
- (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INVALID_OPS | RE_NO_BK_BRACES \
- | RE_NO_BK_PARENS | RE_NO_BK_REFS \
- | RE_NO_BK_VBAR | RE_UNMATCHED_RIGHT_PAREN_ORD)
-/* [[[end syntaxes]]] */
-
-/* Maximum number of duplicates an interval can allow. Some systems
- (erroneously) define this in other header files, but we want our
- value, so remove any previous define. */
-# ifdef RE_DUP_MAX
-# undef RE_DUP_MAX
-# endif
-/* If sizeof(int) == 2, then ((1 << 15) - 1) overflows. */
-# define RE_DUP_MAX (0x7fff)
-#endif
-
-
-/* POSIX `cflags' bits (i.e., information for `regcomp'). */
-
-/* If this bit is set, then use extended regular expression syntax.
- If not set, then use basic regular expression syntax. */
-#define REG_EXTENDED 1
-
-/* If this bit is set, then ignore case when matching.
- If not set, then case is significant. */
-#define REG_ICASE (REG_EXTENDED << 1)
-
-/* If this bit is set, then anchors do not match at newline
- characters in the string.
- If not set, then anchors do match at newlines. */
-#define REG_NEWLINE (REG_ICASE << 1)
-
-/* If this bit is set, then report only success or fail in regexec.
- If not set, then returns differ between not matching and errors. */
-#define REG_NOSUB (REG_NEWLINE << 1)
-
-
-/* POSIX `eflags' bits (i.e., information for regexec). */
-
-/* If this bit is set, then the beginning-of-line operator doesn't match
- the beginning of the string (presumably because it's not the
- beginning of a line).
- If not set, then the beginning-of-line operator does match the
- beginning of the string. */
-#define REG_NOTBOL 1
-
-/* Like REG_NOTBOL, except for the end-of-line. */
-#define REG_NOTEOL (1 << 1)
-
-/* Use PMATCH[0] to delimit the start and end of the search in the
- buffer. */
-#define REG_STARTEND (1 << 2)
-
-
-/* If any error codes are removed, changed, or added, update the
- `re_error_msg' table in regex.c. */
-typedef enum
-{
-#if defined _XOPEN_SOURCE || defined __USE_XOPEN2K
- REG_ENOSYS = -1, /* This will never happen for this implementation. */
-#endif
-
- REG_NOERROR = 0, /* Success. */
- REG_NOMATCH, /* Didn't find a match (for regexec). */
-
- /* POSIX regcomp return error codes. (In the order listed in the
- standard.) */
- REG_BADPAT, /* Invalid pattern. */
- REG_ECOLLATE, /* Inalid collating element. */
- REG_ECTYPE, /* Invalid character class name. */
- REG_EESCAPE, /* Trailing backslash. */
- REG_ESUBREG, /* Invalid back reference. */
- REG_EBRACK, /* Unmatched left bracket. */
- REG_EPAREN, /* Parenthesis imbalance. */
- REG_EBRACE, /* Unmatched \{. */
- REG_BADBR, /* Invalid contents of \{\}. */
- REG_ERANGE, /* Invalid range end. */
- REG_ESPACE, /* Ran out of memory. */
- REG_BADRPT, /* No preceding re for repetition op. */
-
- /* Error codes we've added. */
- REG_EEND, /* Premature end. */
- REG_ESIZE, /* Compiled pattern bigger than 2^16 bytes. */
- REG_ERPAREN /* Unmatched ) or \); not returned from regcomp. */
-} reg_errcode_t;
-
-/* This data structure represents a compiled pattern. Before calling
- the pattern compiler, the fields `buffer', `allocated', `fastmap',
- `translate', and `no_sub' can be set. After the pattern has been
- compiled, the `re_nsub' field is available. All other fields are
- private to the regex routines. */
-
-#ifndef RE_TRANSLATE_TYPE
-# define __RE_TRANSLATE_TYPE unsigned char *
-# ifdef __USE_GNU
-# define RE_TRANSLATE_TYPE __RE_TRANSLATE_TYPE
-# endif
-#endif
-
-#ifdef __USE_GNU
-# define __REPB_PREFIX(name) name
-#else
-# define __REPB_PREFIX(name) __##name
-#endif
-
-struct re_pattern_buffer
-{
- /* Space that holds the compiled pattern. It is declared as
- `unsigned char *' because its elements are sometimes used as
- array indexes. */
- unsigned char *__REPB_PREFIX(buffer);
-
- /* Number of bytes to which `buffer' points. */
- unsigned long int __REPB_PREFIX(allocated);
-
- /* Number of bytes actually used in `buffer'. */
- unsigned long int __REPB_PREFIX(used);
-
- /* Syntax setting with which the pattern was compiled. */
- reg_syntax_t __REPB_PREFIX(syntax);
-
- /* Pointer to a fastmap, if any, otherwise zero. re_search uses the
- fastmap, if there is one, to skip over impossible starting points
- for matches. */
- char *__REPB_PREFIX(fastmap);
-
- /* Either a translate table to apply to all characters before
- comparing them, or zero for no translation. The translation is
- applied to a pattern when it is compiled and to a string when it
- is matched. */
- __RE_TRANSLATE_TYPE __REPB_PREFIX(translate);
-
- /* Number of subexpressions found by the compiler. */
- size_t re_nsub;
-
- /* Zero if this pattern cannot match the empty string, one else.
- Well, in truth it's used only in `re_search_2', to see whether or
- not we should use the fastmap, so we don't set this absolutely
- perfectly; see `re_compile_fastmap' (the `duplicate' case). */
- unsigned __REPB_PREFIX(can_be_null) : 1;
-
- /* If REGS_UNALLOCATED, allocate space in the `regs' structure
- for `max (RE_NREGS, re_nsub + 1)' groups.
- If REGS_REALLOCATE, reallocate space if necessary.
- If REGS_FIXED, use what's there. */
-#ifdef __USE_GNU
-# define REGS_UNALLOCATED 0
-# define REGS_REALLOCATE 1
-# define REGS_FIXED 2
-#endif
- unsigned __REPB_PREFIX(regs_allocated) : 2;
-
- /* Set to zero when `regex_compile' compiles a pattern; set to one
- by `re_compile_fastmap' if it updates the fastmap. */
- unsigned __REPB_PREFIX(fastmap_accurate) : 1;
-
- /* If set, `re_match_2' does not return information about
- subexpressions. */
- unsigned __REPB_PREFIX(no_sub) : 1;
-
- /* If set, a beginning-of-line anchor doesn't match at the beginning
- of the string. */
- unsigned __REPB_PREFIX(not_bol) : 1;
-
- /* Similarly for an end-of-line anchor. */
- unsigned __REPB_PREFIX(not_eol) : 1;
-
- /* If true, an anchor at a newline matches. */
- unsigned __REPB_PREFIX(newline_anchor) : 1;
-};
-
-typedef struct re_pattern_buffer regex_t;
-
-/* Type for byte offsets within the string. POSIX mandates this. */
-typedef int regoff_t;
-
-
-#ifdef __USE_GNU
-/* This is the structure we store register match data in. See
- regex.texinfo for a full description of what registers match. */
-struct re_registers
-{
- unsigned num_regs;
- regoff_t *start;
- regoff_t *end;
-};
-
-
-/* If `regs_allocated' is REGS_UNALLOCATED in the pattern buffer,
- `re_match_2' returns information about at least this many registers
- the first time a `regs' structure is passed. */
-# ifndef RE_NREGS
-# define RE_NREGS 30
-# endif
-#endif
-
-
-/* POSIX specification for registers. Aside from the different names than
- `re_registers', POSIX uses an array of structures, instead of a
- structure of arrays. */
-typedef struct
-{
- regoff_t rm_so; /* Byte offset from string's start to substring's start. */
- regoff_t rm_eo; /* Byte offset from string's start to substring's end. */
-} regmatch_t;
-
-/* Declarations for routines. */
-
-#ifdef __USE_GNU
-/* Sets the current default syntax to SYNTAX, and return the old syntax.
- You can also simply assign to the `re_syntax_options' variable. */
-extern reg_syntax_t re_set_syntax (reg_syntax_t __syntax);
-
-/* Compile the regular expression PATTERN, with length LENGTH
- and syntax given by the global `re_syntax_options', into the buffer
- BUFFER. Return NULL if successful, and an error string if not. */
-extern const char *re_compile_pattern (const char *__pattern, size_t __length,
- struct re_pattern_buffer *__buffer);
-
-
-/* Compile a fastmap for the compiled pattern in BUFFER; used to
- accelerate searches. Return 0 if successful and -2 if was an
- internal error. */
-extern int re_compile_fastmap (struct re_pattern_buffer *__buffer);
-
-
-/* Search in the string STRING (with length LENGTH) for the pattern
- compiled into BUFFER. Start searching at position START, for RANGE
- characters. Return the starting position of the match, -1 for no
- match, or -2 for an internal error. Also return register
- information in REGS (if REGS and BUFFER->no_sub are nonzero). */
-extern int re_search (struct re_pattern_buffer *__buffer, const char *__cstring,
- int __length, int __start, int __range,
- struct re_registers *__regs);
-
-
-/* Like `re_search', but search in the concatenation of STRING1 and
- STRING2. Also, stop searching at index START + STOP. */
-extern int re_search_2 (struct re_pattern_buffer *__buffer,
- const char *__string1, int __length1,
- const char *__string2, int __length2, int __start,
- int __range, struct re_registers *__regs, int __stop);
-
-
-/* Like `re_search', but return how many characters in STRING the regexp
- in BUFFER matched, starting at position START. */
-extern int re_match (struct re_pattern_buffer *__buffer, const char *__cstring,
- int __length, int __start, struct re_registers *__regs);
-
-
-/* Relates to `re_match' as `re_search_2' relates to `re_search'. */
-extern int re_match_2 (struct re_pattern_buffer *__buffer,
- const char *__string1, int __length1,
- const char *__string2, int __length2, int __start,
- struct re_registers *__regs, int __stop);
-
-
-/* Set REGS to hold NUM_REGS registers, storing them in STARTS and
- ENDS. Subsequent matches using BUFFER and REGS will use this memory
- for recording register information. STARTS and ENDS must be
- allocated with malloc, and must each be at least `NUM_REGS * sizeof
- (regoff_t)' bytes long.
-
- If NUM_REGS == 0, then subsequent matches should allocate their own
- register data.
-
- Unless this function is called, the first search or match using
- PATTERN_BUFFER will allocate its own register data, without
- freeing the old data. */
-extern void re_set_registers (struct re_pattern_buffer *__buffer,
- struct re_registers *__regs,
- unsigned int __num_regs,
- regoff_t *__starts, regoff_t *__ends);
-#endif /* Use GNU */
-
-#if defined _REGEX_RE_COMP || (defined _LIBC && defined __USE_BSD)
-# ifndef _CRAY
-/* 4.2 bsd compatibility. */
-extern char *re_comp (const char *);
-extern int re_exec (const char *);
-# endif
-#endif
-
-/* GCC 2.95 and later have "__restrict"; C99 compilers have
- "restrict", and "configure" may have defined "restrict". */
-#ifndef __restrict
-# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
-# if defined restrict || 199901L <= __STDC_VERSION__
-# define __restrict restrict
-# else
-# define __restrict
-# endif
-# endif
-#endif
-/* gcc 3.1 and up support the [restrict] syntax. */
-#ifndef __restrict_arr
-# if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) \
- && !defined __GNUG__
-# define __restrict_arr __restrict
-# else
-# define __restrict_arr
-# endif
-#endif
-
-/* POSIX compatibility. */
-extern int regcomp (regex_t *__restrict __preg,
- const char *__restrict __pattern,
- int __cflags);
-
-extern int regexec (const regex_t *__restrict __preg,
- const char *__restrict __cstring, size_t __nmatch,
- regmatch_t __pmatch[__restrict_arr],
- int __eflags);
-
-extern size_t regerror (int __errcode, const regex_t *__restrict __preg,
- char *__restrict __errbuf, size_t __errbuf_size);
-
-extern void regfree (regex_t *__preg);
-
-
-#ifdef __cplusplus
-}
-#endif /* C++ */
-
-#endif /* regex.h */
diff --git a/deps/regex/regex_internal.c b/deps/regex/regex_internal.c
deleted file mode 100644
index ad57c20..0000000
--- a/deps/regex/regex_internal.c
+++ /dev/null
@@ -1,1744 +0,0 @@
-/* Extended regular expression matching and search library.
- Copyright (C) 2002-2006, 2010 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
-
-static void re_string_construct_common (const char *str, int len,
- re_string_t *pstr,
- RE_TRANSLATE_TYPE trans, int icase,
- const re_dfa_t *dfa) internal_function;
-static re_dfastate_t *create_ci_newstate (const re_dfa_t *dfa,
- const re_node_set *nodes,
- unsigned int hash) internal_function;
-static re_dfastate_t *create_cd_newstate (const re_dfa_t *dfa,
- const re_node_set *nodes,
- unsigned int context,
- unsigned int hash) internal_function;
-
-#ifdef GAWK
-#undef MAX /* safety */
-static size_t
-MAX(size_t a, size_t b)
-{
- return (a > b ? a : b);
-}
-#endif
-
-/* Functions for string operation. */
-
-/* This function allocate the buffers. It is necessary to call
- re_string_reconstruct before using the object. */
-
-static reg_errcode_t
-internal_function
-re_string_allocate (re_string_t *pstr, const char *str, int len, int init_len,
- RE_TRANSLATE_TYPE trans, int icase, const re_dfa_t *dfa)
-{
- reg_errcode_t ret;
- int init_buf_len;
-
- /* Ensure at least one character fits into the buffers. */
- if (init_len < dfa->mb_cur_max)
- init_len = dfa->mb_cur_max;
- init_buf_len = (len + 1 < init_len) ? len + 1: init_len;
- re_string_construct_common (str, len, pstr, trans, icase, dfa);
-
- ret = re_string_realloc_buffers (pstr, init_buf_len);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
-
- pstr->word_char = dfa->word_char;
- pstr->word_ops_used = dfa->word_ops_used;
- pstr->mbs = pstr->mbs_allocated ? pstr->mbs : (unsigned char *) str;
- pstr->valid_len = (pstr->mbs_allocated || dfa->mb_cur_max > 1) ? 0 : len;
- pstr->valid_raw_len = pstr->valid_len;
- return REG_NOERROR;
-}
-
-/* This function allocate the buffers, and initialize them. */
-
-static reg_errcode_t
-internal_function
-re_string_construct (re_string_t *pstr, const char *str, int len,
- RE_TRANSLATE_TYPE trans, int icase, const re_dfa_t *dfa)
-{
- reg_errcode_t ret;
- memset (pstr, '\0', sizeof (re_string_t));
- re_string_construct_common (str, len, pstr, trans, icase, dfa);
-
- if (len > 0)
- {
- ret = re_string_realloc_buffers (pstr, len + 1);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- }
- pstr->mbs = pstr->mbs_allocated ? pstr->mbs : (unsigned char *) str;
-
- if (icase)
- {
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- {
- while (1)
- {
- ret = build_wcs_upper_buffer (pstr);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- if (pstr->valid_raw_len >= len)
- break;
- if (pstr->bufs_len > pstr->valid_len + dfa->mb_cur_max)
- break;
- ret = re_string_realloc_buffers (pstr, pstr->bufs_len * 2);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- }
- }
- else
-#endif /* RE_ENABLE_I18N */
- build_upper_buffer (pstr);
- }
- else
- {
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- build_wcs_buffer (pstr);
- else
-#endif /* RE_ENABLE_I18N */
- {
- if (trans != NULL)
- re_string_translate_buffer (pstr);
- else
- {
- pstr->valid_len = pstr->bufs_len;
- pstr->valid_raw_len = pstr->bufs_len;
- }
- }
- }
-
- return REG_NOERROR;
-}
-
-/* Helper functions for re_string_allocate, and re_string_construct. */
-
-static reg_errcode_t
-internal_function
-re_string_realloc_buffers (re_string_t *pstr, int new_buf_len)
-{
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1)
- {
- wint_t *new_wcs;
-
- /* Avoid overflow in realloc. */
- const size_t max_object_size = MAX (sizeof (wint_t), sizeof (int));
- if (BE (SIZE_MAX / max_object_size < new_buf_len, 0))
- return REG_ESPACE;
-
- new_wcs = re_realloc (pstr->wcs, wint_t, new_buf_len);
- if (BE (new_wcs == NULL, 0))
- return REG_ESPACE;
- pstr->wcs = new_wcs;
- if (pstr->offsets != NULL)
- {
- int *new_offsets = re_realloc (pstr->offsets, int, new_buf_len);
- if (BE (new_offsets == NULL, 0))
- return REG_ESPACE;
- pstr->offsets = new_offsets;
- }
- }
-#endif /* RE_ENABLE_I18N */
- if (pstr->mbs_allocated)
- {
- unsigned char *new_mbs = re_realloc (pstr->mbs, unsigned char,
- new_buf_len);
- if (BE (new_mbs == NULL, 0))
- return REG_ESPACE;
- pstr->mbs = new_mbs;
- }
- pstr->bufs_len = new_buf_len;
- return REG_NOERROR;
-}
-
-
-static void
-internal_function
-re_string_construct_common (const char *str, int len, re_string_t *pstr,
- RE_TRANSLATE_TYPE trans, int icase,
- const re_dfa_t *dfa)
-{
- pstr->raw_mbs = (const unsigned char *) str;
- pstr->len = len;
- pstr->raw_len = len;
- pstr->trans = trans;
- pstr->icase = icase ? 1 : 0;
- pstr->mbs_allocated = (trans != NULL || icase);
- pstr->mb_cur_max = dfa->mb_cur_max;
- pstr->is_utf8 = dfa->is_utf8;
- pstr->map_notascii = dfa->map_notascii;
- pstr->stop = pstr->len;
- pstr->raw_stop = pstr->stop;
-}
-
-#ifdef RE_ENABLE_I18N
-
-/* Build wide character buffer PSTR->WCS.
- If the byte sequence of the string are:
- <mb1>(0), <mb1>(1), <mb2>(0), <mb2>(1), <sb3>
- Then wide character buffer will be:
- <wc1> , WEOF , <wc2> , WEOF , <wc3>
- We use WEOF for padding, they indicate that the position isn't
- a first byte of a multibyte character.
-
- Note that this function assumes PSTR->VALID_LEN elements are already
- built and starts from PSTR->VALID_LEN. */
-
-static void
-internal_function
-build_wcs_buffer (re_string_t *pstr)
-{
-#ifdef _LIBC
- unsigned char buf[MB_LEN_MAX];
- assert (MB_LEN_MAX >= pstr->mb_cur_max);
-#else
- unsigned char buf[64];
-#endif
- mbstate_t prev_st;
- int byte_idx, end_idx, remain_len;
- size_t mbclen;
-
- /* Build the buffers from pstr->valid_len to either pstr->len or
- pstr->bufs_len. */
- end_idx = (pstr->bufs_len > pstr->len) ? pstr->len : pstr->bufs_len;
- for (byte_idx = pstr->valid_len; byte_idx < end_idx;)
- {
- wchar_t wc;
- const char *p;
-
- remain_len = end_idx - byte_idx;
- prev_st = pstr->cur_state;
- /* Apply the translation if we need. */
- if (BE (pstr->trans != NULL, 0))
- {
- int i, ch;
-
- for (i = 0; i < pstr->mb_cur_max && i < remain_len; ++i)
- {
- ch = pstr->raw_mbs [pstr->raw_mbs_idx + byte_idx + i];
- buf[i] = pstr->mbs[byte_idx + i] = pstr->trans[ch];
- }
- p = (const char *) buf;
- }
- else
- p = (const char *) pstr->raw_mbs + pstr->raw_mbs_idx + byte_idx;
- mbclen = __mbrtowc (&wc, p, remain_len, &pstr->cur_state);
- if (BE (mbclen == (size_t) -2, 0))
- {
- /* The buffer doesn't have enough space, finish to build. */
- pstr->cur_state = prev_st;
- break;
- }
- else if (BE (mbclen == (size_t) -1 || mbclen == 0, 0))
- {
- /* We treat these cases as a singlebyte character. */
- mbclen = 1;
- wc = (wchar_t) pstr->raw_mbs[pstr->raw_mbs_idx + byte_idx];
- if (BE (pstr->trans != NULL, 0))
- wc = pstr->trans[wc];
- pstr->cur_state = prev_st;
- }
-
- /* Write wide character and padding. */
- pstr->wcs[byte_idx++] = wc;
- /* Write paddings. */
- for (remain_len = byte_idx + mbclen - 1; byte_idx < remain_len ;)
- pstr->wcs[byte_idx++] = WEOF;
- }
- pstr->valid_len = byte_idx;
- pstr->valid_raw_len = byte_idx;
-}
-
-/* Build wide character buffer PSTR->WCS like build_wcs_buffer,
- but for REG_ICASE. */
-
-static reg_errcode_t
-internal_function
-build_wcs_upper_buffer (re_string_t *pstr)
-{
- mbstate_t prev_st;
- int src_idx, byte_idx, end_idx, remain_len;
- size_t mbclen;
-#ifdef _LIBC
- char buf[MB_LEN_MAX];
- assert (MB_LEN_MAX >= pstr->mb_cur_max);
-#else
- char buf[64];
-#endif
-
- byte_idx = pstr->valid_len;
- end_idx = (pstr->bufs_len > pstr->len) ? pstr->len : pstr->bufs_len;
-
- /* The following optimization assumes that ASCII characters can be
- mapped to wide characters with a simple cast. */
- if (! pstr->map_notascii && pstr->trans == NULL && !pstr->offsets_needed)
- {
- while (byte_idx < end_idx)
- {
- wchar_t wc;
-
- if (isascii (pstr->raw_mbs[pstr->raw_mbs_idx + byte_idx])
- && mbsinit (&pstr->cur_state))
- {
- /* In case of a singlebyte character. */
- pstr->mbs[byte_idx]
- = toupper (pstr->raw_mbs[pstr->raw_mbs_idx + byte_idx]);
- /* The next step uses the assumption that wchar_t is encoded
- ASCII-safe: all ASCII values can be converted like this. */
- pstr->wcs[byte_idx] = (wchar_t) pstr->mbs[byte_idx];
- ++byte_idx;
- continue;
- }
-
- remain_len = end_idx - byte_idx;
- prev_st = pstr->cur_state;
- mbclen = __mbrtowc (&wc,
- ((const char *) pstr->raw_mbs + pstr->raw_mbs_idx
- + byte_idx), remain_len, &pstr->cur_state);
- if (BE (mbclen + 2 > 2, 1))
- {
- wchar_t wcu = wc;
- if (iswlower (wc))
- {
- size_t mbcdlen;
-
- wcu = towupper (wc);
- mbcdlen = wcrtomb (buf, wcu, &prev_st);
- if (BE (mbclen == mbcdlen, 1))
- memcpy (pstr->mbs + byte_idx, buf, mbclen);
- else
- {
- src_idx = byte_idx;
- goto offsets_needed;
- }
- }
- else
- memcpy (pstr->mbs + byte_idx,
- pstr->raw_mbs + pstr->raw_mbs_idx + byte_idx, mbclen);
- pstr->wcs[byte_idx++] = wcu;
- /* Write paddings. */
- for (remain_len = byte_idx + mbclen - 1; byte_idx < remain_len ;)
- pstr->wcs[byte_idx++] = WEOF;
- }
- else if (mbclen == (size_t) -1 || mbclen == 0)
- {
- /* It is an invalid character or '\0'. Just use the byte. */
- int ch = pstr->raw_mbs[pstr->raw_mbs_idx + byte_idx];
- pstr->mbs[byte_idx] = ch;
- /* And also cast it to wide char. */
- pstr->wcs[byte_idx++] = (wchar_t) ch;
- if (BE (mbclen == (size_t) -1, 0))
- pstr->cur_state = prev_st;
- }
- else
- {
- /* The buffer doesn't have enough space, finish to build. */
- pstr->cur_state = prev_st;
- break;
- }
- }
- pstr->valid_len = byte_idx;
- pstr->valid_raw_len = byte_idx;
- return REG_NOERROR;
- }
- else
- for (src_idx = pstr->valid_raw_len; byte_idx < end_idx;)
- {
- wchar_t wc;
- const char *p;
- offsets_needed:
- remain_len = end_idx - byte_idx;
- prev_st = pstr->cur_state;
- if (BE (pstr->trans != NULL, 0))
- {
- int i, ch;
-
- for (i = 0; i < pstr->mb_cur_max && i < remain_len; ++i)
- {
- ch = pstr->raw_mbs [pstr->raw_mbs_idx + src_idx + i];
- buf[i] = pstr->trans[ch];
- }
- p = (const char *) buf;
- }
- else
- p = (const char *) pstr->raw_mbs + pstr->raw_mbs_idx + src_idx;
- mbclen = __mbrtowc (&wc, p, remain_len, &pstr->cur_state);
- if (BE (mbclen + 2 > 2, 1))
- {
- wchar_t wcu = wc;
- if (iswlower (wc))
- {
- size_t mbcdlen;
-
- wcu = towupper (wc);
- mbcdlen = wcrtomb ((char *) buf, wcu, &prev_st);
- if (BE (mbclen == mbcdlen, 1))
- memcpy (pstr->mbs + byte_idx, buf, mbclen);
- else if (mbcdlen != (size_t) -1)
- {
- size_t i;
-
- if (byte_idx + mbcdlen > pstr->bufs_len)
- {
- pstr->cur_state = prev_st;
- break;
- }
-
- if (pstr->offsets == NULL)
- {
- pstr->offsets = re_malloc (int, pstr->bufs_len);
-
- if (pstr->offsets == NULL)
- return REG_ESPACE;
- }
- if (!pstr->offsets_needed)
- {
- for (i = 0; i < (size_t) byte_idx; ++i)
- pstr->offsets[i] = i;
- pstr->offsets_needed = 1;
- }
-
- memcpy (pstr->mbs + byte_idx, buf, mbcdlen);
- pstr->wcs[byte_idx] = wcu;
- pstr->offsets[byte_idx] = src_idx;
- for (i = 1; i < mbcdlen; ++i)
- {
- pstr->offsets[byte_idx + i]
- = src_idx + (i < mbclen ? i : mbclen - 1);
- pstr->wcs[byte_idx + i] = WEOF;
- }
- pstr->len += mbcdlen - mbclen;
- if (pstr->raw_stop > src_idx)
- pstr->stop += mbcdlen - mbclen;
- end_idx = (pstr->bufs_len > pstr->len)
- ? pstr->len : pstr->bufs_len;
- byte_idx += mbcdlen;
- src_idx += mbclen;
- continue;
- }
- else
- memcpy (pstr->mbs + byte_idx, p, mbclen);
- }
- else
- memcpy (pstr->mbs + byte_idx, p, mbclen);
-
- if (BE (pstr->offsets_needed != 0, 0))
- {
- size_t i;
- for (i = 0; i < mbclen; ++i)
- pstr->offsets[byte_idx + i] = src_idx + i;
- }
- src_idx += mbclen;
-
- pstr->wcs[byte_idx++] = wcu;
- /* Write paddings. */
- for (remain_len = byte_idx + mbclen - 1; byte_idx < remain_len ;)
- pstr->wcs[byte_idx++] = WEOF;
- }
- else if (mbclen == (size_t) -1 || mbclen == 0)
- {
- /* It is an invalid character or '\0'. Just use the byte. */
- int ch = pstr->raw_mbs[pstr->raw_mbs_idx + src_idx];
-
- if (BE (pstr->trans != NULL, 0))
- ch = pstr->trans [ch];
- pstr->mbs[byte_idx] = ch;
-
- if (BE (pstr->offsets_needed != 0, 0))
- pstr->offsets[byte_idx] = src_idx;
- ++src_idx;
-
- /* And also cast it to wide char. */
- pstr->wcs[byte_idx++] = (wchar_t) ch;
- if (BE (mbclen == (size_t) -1, 0))
- pstr->cur_state = prev_st;
- }
- else
- {
- /* The buffer doesn't have enough space, finish to build. */
- pstr->cur_state = prev_st;
- break;
- }
- }
- pstr->valid_len = byte_idx;
- pstr->valid_raw_len = src_idx;
- return REG_NOERROR;
-}
-
-/* Skip characters until the index becomes greater than NEW_RAW_IDX.
- Return the index. */
-
-static int
-internal_function
-re_string_skip_chars (re_string_t *pstr, int new_raw_idx, wint_t *last_wc)
-{
- mbstate_t prev_st;
- int rawbuf_idx;
- size_t mbclen;
- wint_t wc = WEOF;
-
- /* Skip the characters which are not necessary to check. */
- for (rawbuf_idx = pstr->raw_mbs_idx + pstr->valid_raw_len;
- rawbuf_idx < new_raw_idx;)
- {
- wchar_t wc2;
- int remain_len = pstr->len - rawbuf_idx;
- prev_st = pstr->cur_state;
- mbclen = __mbrtowc (&wc2, (const char *) pstr->raw_mbs + rawbuf_idx,
- remain_len, &pstr->cur_state);
- if (BE (mbclen == (size_t) -2 || mbclen == (size_t) -1 || mbclen == 0, 0))
- {
- /* We treat these cases as a single byte character. */
- if (mbclen == 0 || remain_len == 0)
- wc = L'\0';
- else
- wc = *(unsigned char *) (pstr->raw_mbs + rawbuf_idx);
- mbclen = 1;
- pstr->cur_state = prev_st;
- }
- else
- wc = (wint_t) wc2;
- /* Then proceed the next character. */
- rawbuf_idx += mbclen;
- }
- *last_wc = (wint_t) wc;
- return rawbuf_idx;
-}
-#endif /* RE_ENABLE_I18N */
-
-/* Build the buffer PSTR->MBS, and apply the translation if we need.
- This function is used in case of REG_ICASE. */
-
-static void
-internal_function
-build_upper_buffer (re_string_t *pstr)
-{
- int char_idx, end_idx;
- end_idx = (pstr->bufs_len > pstr->len) ? pstr->len : pstr->bufs_len;
-
- for (char_idx = pstr->valid_len; char_idx < end_idx; ++char_idx)
- {
- int ch = pstr->raw_mbs[pstr->raw_mbs_idx + char_idx];
- if (BE (pstr->trans != NULL, 0))
- ch = pstr->trans[ch];
- if (islower (ch))
- pstr->mbs[char_idx] = toupper (ch);
- else
- pstr->mbs[char_idx] = ch;
- }
- pstr->valid_len = char_idx;
- pstr->valid_raw_len = char_idx;
-}
-
-/* Apply TRANS to the buffer in PSTR. */
-
-static void
-internal_function
-re_string_translate_buffer (re_string_t *pstr)
-{
- int buf_idx, end_idx;
- end_idx = (pstr->bufs_len > pstr->len) ? pstr->len : pstr->bufs_len;
-
- for (buf_idx = pstr->valid_len; buf_idx < end_idx; ++buf_idx)
- {
- int ch = pstr->raw_mbs[pstr->raw_mbs_idx + buf_idx];
- pstr->mbs[buf_idx] = pstr->trans[ch];
- }
-
- pstr->valid_len = buf_idx;
- pstr->valid_raw_len = buf_idx;
-}
-
-/* This function re-construct the buffers.
- Concretely, convert to wide character in case of pstr->mb_cur_max > 1,
- convert to upper case in case of REG_ICASE, apply translation. */
-
-static reg_errcode_t
-internal_function
-re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
-{
- int offset = idx - pstr->raw_mbs_idx;
- if (BE (offset < 0, 0))
- {
- /* Reset buffer. */
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1)
- memset (&pstr->cur_state, '\0', sizeof (mbstate_t));
-#endif /* RE_ENABLE_I18N */
- pstr->len = pstr->raw_len;
- pstr->stop = pstr->raw_stop;
- pstr->valid_len = 0;
- pstr->raw_mbs_idx = 0;
- pstr->valid_raw_len = 0;
- pstr->offsets_needed = 0;
- pstr->tip_context = ((eflags & REG_NOTBOL) ? CONTEXT_BEGBUF
- : CONTEXT_NEWLINE | CONTEXT_BEGBUF);
- if (!pstr->mbs_allocated)
- pstr->mbs = (unsigned char *) pstr->raw_mbs;
- offset = idx;
- }
-
- if (BE (offset != 0, 1))
- {
- /* Should the already checked characters be kept? */
- if (BE (offset < pstr->valid_raw_len, 1))
- {
- /* Yes, move them to the front of the buffer. */
-#ifdef RE_ENABLE_I18N
- if (BE (pstr->offsets_needed, 0))
- {
- int low = 0, high = pstr->valid_len, mid;
- do
- {
- mid = (high + low) / 2;
- if (pstr->offsets[mid] > offset)
- high = mid;
- else if (pstr->offsets[mid] < offset)
- low = mid + 1;
- else
- break;
- }
- while (low < high);
- if (pstr->offsets[mid] < offset)
- ++mid;
- pstr->tip_context = re_string_context_at (pstr, mid - 1,
- eflags);
- /* This can be quite complicated, so handle specially
- only the common and easy case where the character with
- different length representation of lower and upper
- case is present at or after offset. */
- if (pstr->valid_len > offset
- && mid == offset && pstr->offsets[mid] == offset)
- {
- memmove (pstr->wcs, pstr->wcs + offset,
- (pstr->valid_len - offset) * sizeof (wint_t));
- memmove (pstr->mbs, pstr->mbs + offset, pstr->valid_len - offset);
- pstr->valid_len -= offset;
- pstr->valid_raw_len -= offset;
- for (low = 0; low < pstr->valid_len; low++)
- pstr->offsets[low] = pstr->offsets[low + offset] - offset;
- }
- else
- {
- /* Otherwise, just find out how long the partial multibyte
- character at offset is and fill it with WEOF/255. */
- pstr->len = pstr->raw_len - idx + offset;
- pstr->stop = pstr->raw_stop - idx + offset;
- pstr->offsets_needed = 0;
- while (mid > 0 && pstr->offsets[mid - 1] == offset)
- --mid;
- while (mid < pstr->valid_len)
- if (pstr->wcs[mid] != WEOF)
- break;
- else
- ++mid;
- if (mid == pstr->valid_len)
- pstr->valid_len = 0;
- else
- {
- pstr->valid_len = pstr->offsets[mid] - offset;
- if (pstr->valid_len)
- {
- for (low = 0; low < pstr->valid_len; ++low)
- pstr->wcs[low] = WEOF;
- memset (pstr->mbs, 255, pstr->valid_len);
- }
- }
- pstr->valid_raw_len = pstr->valid_len;
- }
- }
- else
-#endif
- {
- pstr->tip_context = re_string_context_at (pstr, offset - 1,
- eflags);
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1)
- memmove (pstr->wcs, pstr->wcs + offset,
- (pstr->valid_len - offset) * sizeof (wint_t));
-#endif /* RE_ENABLE_I18N */
- if (BE (pstr->mbs_allocated, 0))
- memmove (pstr->mbs, pstr->mbs + offset,
- pstr->valid_len - offset);
- pstr->valid_len -= offset;
- pstr->valid_raw_len -= offset;
-#if DEBUG
- assert (pstr->valid_len > 0);
-#endif
- }
- }
- else
- {
-#ifdef RE_ENABLE_I18N
- /* No, skip all characters until IDX. */
- int prev_valid_len = pstr->valid_len;
-
- if (BE (pstr->offsets_needed, 0))
- {
- pstr->len = pstr->raw_len - idx + offset;
- pstr->stop = pstr->raw_stop - idx + offset;
- pstr->offsets_needed = 0;
- }
-#endif
- pstr->valid_len = 0;
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1)
- {
- int wcs_idx;
- wint_t wc = WEOF;
-
- if (pstr->is_utf8)
- {
- const unsigned char *raw, *p, *end;
-
- /* Special case UTF-8. Multi-byte chars start with any
- byte other than 0x80 - 0xbf. */
- raw = pstr->raw_mbs + pstr->raw_mbs_idx;
- end = raw + (offset - pstr->mb_cur_max);
- if (end < pstr->raw_mbs)
- end = pstr->raw_mbs;
- p = raw + offset - 1;
-#ifdef _LIBC
- /* We know the wchar_t encoding is UCS4, so for the simple
- case, ASCII characters, skip the conversion step. */
- if (isascii (*p) && BE (pstr->trans == NULL, 1))
- {
- memset (&pstr->cur_state, '\0', sizeof (mbstate_t));
- /* pstr->valid_len = 0; */
- wc = (wchar_t) *p;
- }
- else
-#endif
- for (; p >= end; --p)
- if ((*p & 0xc0) != 0x80)
- {
- mbstate_t cur_state;
- wchar_t wc2;
- int mlen = raw + pstr->len - p;
- unsigned char buf[6];
- size_t mbclen;
-
- if (BE (pstr->trans != NULL, 0))
- {
- int i = mlen < 6 ? mlen : 6;
- while (--i >= 0)
- buf[i] = pstr->trans[p[i]];
- }
- /* XXX Don't use mbrtowc, we know which conversion
- to use (UTF-8 -> UCS4). */
- memset (&cur_state, 0, sizeof (cur_state));
- mbclen = __mbrtowc (&wc2, (const char *) p, mlen,
- &cur_state);
- if (raw + offset - p <= mbclen
- && mbclen < (size_t) -2)
- {
- memset (&pstr->cur_state, '\0',
- sizeof (mbstate_t));
- pstr->valid_len = mbclen - (raw + offset - p);
- wc = wc2;
- }
- break;
- }
- }
-
- if (wc == WEOF)
- pstr->valid_len = re_string_skip_chars (pstr, idx, &wc) - idx;
- if (wc == WEOF)
- pstr->tip_context
- = re_string_context_at (pstr, prev_valid_len - 1, eflags);
- else
- pstr->tip_context = ((BE (pstr->word_ops_used != 0, 0)
- && IS_WIDE_WORD_CHAR (wc))
- ? CONTEXT_WORD
- : ((IS_WIDE_NEWLINE (wc)
- && pstr->newline_anchor)
- ? CONTEXT_NEWLINE : 0));
- if (BE (pstr->valid_len, 0))
- {
- for (wcs_idx = 0; wcs_idx < pstr->valid_len; ++wcs_idx)
- pstr->wcs[wcs_idx] = WEOF;
- if (pstr->mbs_allocated)
- memset (pstr->mbs, 255, pstr->valid_len);
- }
- pstr->valid_raw_len = pstr->valid_len;
- }
- else
-#endif /* RE_ENABLE_I18N */
- {
- int c = pstr->raw_mbs[pstr->raw_mbs_idx + offset - 1];
- pstr->valid_raw_len = 0;
- if (pstr->trans)
- c = pstr->trans[c];
- pstr->tip_context = (bitset_contain (pstr->word_char, c)
- ? CONTEXT_WORD
- : ((IS_NEWLINE (c) && pstr->newline_anchor)
- ? CONTEXT_NEWLINE : 0));
- }
- }
- if (!BE (pstr->mbs_allocated, 0))
- pstr->mbs += offset;
- }
- pstr->raw_mbs_idx = idx;
- pstr->len -= offset;
- pstr->stop -= offset;
-
- /* Then build the buffers. */
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1)
- {
- if (pstr->icase)
- {
- reg_errcode_t ret = build_wcs_upper_buffer (pstr);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- }
- else
- build_wcs_buffer (pstr);
- }
- else
-#endif /* RE_ENABLE_I18N */
- if (BE (pstr->mbs_allocated, 0))
- {
- if (pstr->icase)
- build_upper_buffer (pstr);
- else if (pstr->trans != NULL)
- re_string_translate_buffer (pstr);
- }
- else
- pstr->valid_len = pstr->len;
-
- pstr->cur_idx = 0;
- return REG_NOERROR;
-}
-
-static unsigned char
-internal_function __attribute ((pure))
-re_string_peek_byte_case (const re_string_t *pstr, int idx)
-{
- int ch, off;
-
- /* Handle the common (easiest) cases first. */
- if (BE (!pstr->mbs_allocated, 1))
- return re_string_peek_byte (pstr, idx);
-
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1
- && ! re_string_is_single_byte_char (pstr, pstr->cur_idx + idx))
- return re_string_peek_byte (pstr, idx);
-#endif
-
- off = pstr->cur_idx + idx;
-#ifdef RE_ENABLE_I18N
- if (pstr->offsets_needed)
- off = pstr->offsets[off];
-#endif
-
- ch = pstr->raw_mbs[pstr->raw_mbs_idx + off];
-
-#ifdef RE_ENABLE_I18N
- /* Ensure that e.g. for tr_TR.UTF-8 BACKSLASH DOTLESS SMALL LETTER I
- this function returns CAPITAL LETTER I instead of first byte of
- DOTLESS SMALL LETTER I. The latter would confuse the parser,
- since peek_byte_case doesn't advance cur_idx in any way. */
- if (pstr->offsets_needed && !isascii (ch))
- return re_string_peek_byte (pstr, idx);
-#endif
-
- return ch;
-}
-
-static unsigned char
-internal_function __attribute ((pure))
-re_string_fetch_byte_case (re_string_t *pstr)
-{
- if (BE (!pstr->mbs_allocated, 1))
- return re_string_fetch_byte (pstr);
-
-#ifdef RE_ENABLE_I18N
- if (pstr->offsets_needed)
- {
- int off, ch;
-
- /* For tr_TR.UTF-8 [[:islower:]] there is
- [[: CAPITAL LETTER I WITH DOT lower:]] in mbs. Skip
- in that case the whole multi-byte character and return
- the original letter. On the other side, with
- [[: DOTLESS SMALL LETTER I return [[:I, as doing
- anything else would complicate things too much. */
-
- if (!re_string_first_byte (pstr, pstr->cur_idx))
- return re_string_fetch_byte (pstr);
-
- off = pstr->offsets[pstr->cur_idx];
- ch = pstr->raw_mbs[pstr->raw_mbs_idx + off];
-
- if (! isascii (ch))
- return re_string_fetch_byte (pstr);
-
- re_string_skip_bytes (pstr,
- re_string_char_size_at (pstr, pstr->cur_idx));
- return ch;
- }
-#endif
-
- return pstr->raw_mbs[pstr->raw_mbs_idx + pstr->cur_idx++];
-}
-
-static void
-internal_function
-re_string_destruct (re_string_t *pstr)
-{
-#ifdef RE_ENABLE_I18N
- re_free (pstr->wcs);
- re_free (pstr->offsets);
-#endif /* RE_ENABLE_I18N */
- if (pstr->mbs_allocated)
- re_free (pstr->mbs);
-}
-
-/* Return the context at IDX in INPUT. */
-
-static unsigned int
-internal_function
-re_string_context_at (const re_string_t *input, int idx, int eflags)
-{
- int c;
- if (BE (idx < 0, 0))
- /* In this case, we use the value stored in input->tip_context,
- since we can't know the character in input->mbs[-1] here. */
- return input->tip_context;
- if (BE (idx == input->len, 0))
- return ((eflags & REG_NOTEOL) ? CONTEXT_ENDBUF
- : CONTEXT_NEWLINE | CONTEXT_ENDBUF);
-#ifdef RE_ENABLE_I18N
- if (input->mb_cur_max > 1)
- {
- wint_t wc;
- int wc_idx = idx;
- while(input->wcs[wc_idx] == WEOF)
- {
-#ifdef DEBUG
- /* It must not happen. */
- assert (wc_idx >= 0);
-#endif
- --wc_idx;
- if (wc_idx < 0)
- return input->tip_context;
- }
- wc = input->wcs[wc_idx];
- if (BE (input->word_ops_used != 0, 0) && IS_WIDE_WORD_CHAR (wc))
- return CONTEXT_WORD;
- return (IS_WIDE_NEWLINE (wc) && input->newline_anchor
- ? CONTEXT_NEWLINE : 0);
- }
- else
-#endif
- {
- c = re_string_byte_at (input, idx);
- if (bitset_contain (input->word_char, c))
- return CONTEXT_WORD;
- return IS_NEWLINE (c) && input->newline_anchor ? CONTEXT_NEWLINE : 0;
- }
-}
-
-/* Functions for set operation. */
-
-static reg_errcode_t
-internal_function
-re_node_set_alloc (re_node_set *set, int size)
-{
- /*
- * ADR: valgrind says size can be 0, which then doesn't
- * free the block of size 0. Harumph. This seems
- * to work ok, though.
- */
- if (size == 0)
- {
- memset(set, 0, sizeof(*set));
- return REG_NOERROR;
- }
- set->alloc = size;
- set->nelem = 0;
- set->elems = re_malloc (int, size);
- if (BE (set->elems == NULL, 0))
- return REG_ESPACE;
- return REG_NOERROR;
-}
-
-static reg_errcode_t
-internal_function
-re_node_set_init_1 (re_node_set *set, int elem)
-{
- set->alloc = 1;
- set->nelem = 1;
- set->elems = re_malloc (int, 1);
- if (BE (set->elems == NULL, 0))
- {
- set->alloc = set->nelem = 0;
- return REG_ESPACE;
- }
- set->elems[0] = elem;
- return REG_NOERROR;
-}
-
-static reg_errcode_t
-internal_function
-re_node_set_init_2 (re_node_set *set, int elem1, int elem2)
-{
- set->alloc = 2;
- set->elems = re_malloc (int, 2);
- if (BE (set->elems == NULL, 0))
- return REG_ESPACE;
- if (elem1 == elem2)
- {
- set->nelem = 1;
- set->elems[0] = elem1;
- }
- else
- {
- set->nelem = 2;
- if (elem1 < elem2)
- {
- set->elems[0] = elem1;
- set->elems[1] = elem2;
- }
- else
- {
- set->elems[0] = elem2;
- set->elems[1] = elem1;
- }
- }
- return REG_NOERROR;
-}
-
-static reg_errcode_t
-internal_function
-re_node_set_init_copy (re_node_set *dest, const re_node_set *src)
-{
- dest->nelem = src->nelem;
- if (src->nelem > 0)
- {
- dest->alloc = dest->nelem;
- dest->elems = re_malloc (int, dest->alloc);
- if (BE (dest->elems == NULL, 0))
- {
- dest->alloc = dest->nelem = 0;
- return REG_ESPACE;
- }
- memcpy (dest->elems, src->elems, src->nelem * sizeof (int));
- }
- else
- re_node_set_init_empty (dest);
- return REG_NOERROR;
-}
-
-/* Calculate the intersection of the sets SRC1 and SRC2. And merge it to
- DEST. Return value indicate the error code or REG_NOERROR if succeeded.
- Note: We assume dest->elems is NULL, when dest->alloc is 0. */
-
-static reg_errcode_t
-internal_function
-re_node_set_add_intersect (re_node_set *dest, const re_node_set *src1,
- const re_node_set *src2)
-{
- int i1, i2, is, id, delta, sbase;
- if (src1->nelem == 0 || src2->nelem == 0)
- return REG_NOERROR;
-
- /* We need dest->nelem + 2 * elems_in_intersection; this is a
- conservative estimate. */
- if (src1->nelem + src2->nelem + dest->nelem > dest->alloc)
- {
- int new_alloc = src1->nelem + src2->nelem + dest->alloc;
- int *new_elems = re_realloc (dest->elems, int, new_alloc);
- if (BE (new_elems == NULL, 0))
- return REG_ESPACE;
- dest->elems = new_elems;
- dest->alloc = new_alloc;
- }
-
- /* Find the items in the intersection of SRC1 and SRC2, and copy
- into the top of DEST those that are not already in DEST itself. */
- sbase = dest->nelem + src1->nelem + src2->nelem;
- i1 = src1->nelem - 1;
- i2 = src2->nelem - 1;
- id = dest->nelem - 1;
- for (;;)
- {
- if (src1->elems[i1] == src2->elems[i2])
- {
- /* Try to find the item in DEST. Maybe we could binary search? */
- while (id >= 0 && dest->elems[id] > src1->elems[i1])
- --id;
-
- if (id < 0 || dest->elems[id] != src1->elems[i1])
- dest->elems[--sbase] = src1->elems[i1];
-
- if (--i1 < 0 || --i2 < 0)
- break;
- }
-
- /* Lower the highest of the two items. */
- else if (src1->elems[i1] < src2->elems[i2])
- {
- if (--i2 < 0)
- break;
- }
- else
- {
- if (--i1 < 0)
- break;
- }
- }
-
- id = dest->nelem - 1;
- is = dest->nelem + src1->nelem + src2->nelem - 1;
- delta = is - sbase + 1;
-
- /* Now copy. When DELTA becomes zero, the remaining
- DEST elements are already in place; this is more or
- less the same loop that is in re_node_set_merge. */
- dest->nelem += delta;
- if (delta > 0 && id >= 0)
- for (;;)
- {
- if (dest->elems[is] > dest->elems[id])
- {
- /* Copy from the top. */
- dest->elems[id + delta--] = dest->elems[is--];
- if (delta == 0)
- break;
- }
- else
- {
- /* Slide from the bottom. */
- dest->elems[id + delta] = dest->elems[id];
- if (--id < 0)
- break;
- }
- }
-
- /* Copy remaining SRC elements. */
- memcpy (dest->elems, dest->elems + sbase, delta * sizeof (int));
-
- return REG_NOERROR;
-}
-
-/* Calculate the union set of the sets SRC1 and SRC2. And store it to
- DEST. Return value indicate the error code or REG_NOERROR if succeeded. */
-
-static reg_errcode_t
-internal_function
-re_node_set_init_union (re_node_set *dest, const re_node_set *src1,
- const re_node_set *src2)
-{
- int i1, i2, id;
- if (src1 != NULL && src1->nelem > 0 && src2 != NULL && src2->nelem > 0)
- {
- dest->alloc = src1->nelem + src2->nelem;
- dest->elems = re_malloc (int, dest->alloc);
- if (BE (dest->elems == NULL, 0))
- return REG_ESPACE;
- }
- else
- {
- if (src1 != NULL && src1->nelem > 0)
- return re_node_set_init_copy (dest, src1);
- else if (src2 != NULL && src2->nelem > 0)
- return re_node_set_init_copy (dest, src2);
- else
- re_node_set_init_empty (dest);
- return REG_NOERROR;
- }
- for (i1 = i2 = id = 0 ; i1 < src1->nelem && i2 < src2->nelem ;)
- {
- if (src1->elems[i1] > src2->elems[i2])
- {
- dest->elems[id++] = src2->elems[i2++];
- continue;
- }
- if (src1->elems[i1] == src2->elems[i2])
- ++i2;
- dest->elems[id++] = src1->elems[i1++];
- }
- if (i1 < src1->nelem)
- {
- memcpy (dest->elems + id, src1->elems + i1,
- (src1->nelem - i1) * sizeof (int));
- id += src1->nelem - i1;
- }
- else if (i2 < src2->nelem)
- {
- memcpy (dest->elems + id, src2->elems + i2,
- (src2->nelem - i2) * sizeof (int));
- id += src2->nelem - i2;
- }
- dest->nelem = id;
- return REG_NOERROR;
-}
-
-/* Calculate the union set of the sets DEST and SRC. And store it to
- DEST. Return value indicate the error code or REG_NOERROR if succeeded. */
-
-static reg_errcode_t
-internal_function
-re_node_set_merge (re_node_set *dest, const re_node_set *src)
-{
- int is, id, sbase, delta;
- if (src == NULL || src->nelem == 0)
- return REG_NOERROR;
- if (dest->alloc < 2 * src->nelem + dest->nelem)
- {
- int new_alloc = 2 * (src->nelem + dest->alloc);
- int *new_buffer = re_realloc (dest->elems, int, new_alloc);
- if (BE (new_buffer == NULL, 0))
- return REG_ESPACE;
- dest->elems = new_buffer;
- dest->alloc = new_alloc;
- }
-
- if (BE (dest->nelem == 0, 0))
- {
- dest->nelem = src->nelem;
- memcpy (dest->elems, src->elems, src->nelem * sizeof (int));
- return REG_NOERROR;
- }
-
- /* Copy into the top of DEST the items of SRC that are not
- found in DEST. Maybe we could binary search in DEST? */
- for (sbase = dest->nelem + 2 * src->nelem,
- is = src->nelem - 1, id = dest->nelem - 1; is >= 0 && id >= 0; )
- {
- if (dest->elems[id] == src->elems[is])
- is--, id--;
- else if (dest->elems[id] < src->elems[is])
- dest->elems[--sbase] = src->elems[is--];
- else /* if (dest->elems[id] > src->elems[is]) */
- --id;
- }
-
- if (is >= 0)
- {
- /* If DEST is exhausted, the remaining items of SRC must be unique. */
- sbase -= is + 1;
- memcpy (dest->elems + sbase, src->elems, (is + 1) * sizeof (int));
- }
-
- id = dest->nelem - 1;
- is = dest->nelem + 2 * src->nelem - 1;
- delta = is - sbase + 1;
- if (delta == 0)
- return REG_NOERROR;
-
- /* Now copy. When DELTA becomes zero, the remaining
- DEST elements are already in place. */
- dest->nelem += delta;
- for (;;)
- {
- if (dest->elems[is] > dest->elems[id])
- {
- /* Copy from the top. */
- dest->elems[id + delta--] = dest->elems[is--];
- if (delta == 0)
- break;
- }
- else
- {
- /* Slide from the bottom. */
- dest->elems[id + delta] = dest->elems[id];
- if (--id < 0)
- {
- /* Copy remaining SRC elements. */
- memcpy (dest->elems, dest->elems + sbase,
- delta * sizeof (int));
- break;
- }
- }
- }
-
- return REG_NOERROR;
-}
-
-/* Insert the new element ELEM to the re_node_set* SET.
- SET should not already have ELEM.
- return -1 if an error is occured, return 1 otherwise. */
-
-static int
-internal_function
-re_node_set_insert (re_node_set *set, int elem)
-{
- int idx;
- /* In case the set is empty. */
- if (set->alloc == 0)
- {
- if (BE (re_node_set_init_1 (set, elem) == REG_NOERROR, 1))
- return 1;
- else
- return -1;
- }
-
- if (BE (set->nelem, 0) == 0)
- {
- /* We already guaranteed above that set->alloc != 0. */
- set->elems[0] = elem;
- ++set->nelem;
- return 1;
- }
-
- /* Realloc if we need. */
- if (set->alloc == set->nelem)
- {
- int *new_elems;
- set->alloc = set->alloc * 2;
- new_elems = re_realloc (set->elems, int, set->alloc);
- if (BE (new_elems == NULL, 0))
- return -1;
- set->elems = new_elems;
- }
-
- /* Move the elements which follows the new element. Test the
- first element separately to skip a check in the inner loop. */
- if (elem < set->elems[0])
- {
- idx = 0;
- for (idx = set->nelem; idx > 0; idx--)
- set->elems[idx] = set->elems[idx - 1];
- }
- else
- {
- for (idx = set->nelem; set->elems[idx - 1] > elem; idx--)
- set->elems[idx] = set->elems[idx - 1];
- }
-
- /* Insert the new element. */
- set->elems[idx] = elem;
- ++set->nelem;
- return 1;
-}
-
-/* Insert the new element ELEM to the re_node_set* SET.
- SET should not already have any element greater than or equal to ELEM.
- Return -1 if an error is occured, return 1 otherwise. */
-
-static int
-internal_function
-re_node_set_insert_last (re_node_set *set, int elem)
-{
- /* Realloc if we need. */
- if (set->alloc == set->nelem)
- {
- int *new_elems;
- set->alloc = (set->alloc + 1) * 2;
- new_elems = re_realloc (set->elems, int, set->alloc);
- if (BE (new_elems == NULL, 0))
- return -1;
- set->elems = new_elems;
- }
-
- /* Insert the new element. */
- set->elems[set->nelem++] = elem;
- return 1;
-}
-
-/* Compare two node sets SET1 and SET2.
- return 1 if SET1 and SET2 are equivalent, return 0 otherwise. */
-
-static int
-internal_function __attribute ((pure))
-re_node_set_compare (const re_node_set *set1, const re_node_set *set2)
-{
- int i;
- if (set1 == NULL || set2 == NULL || set1->nelem != set2->nelem)
- return 0;
- for (i = set1->nelem ; --i >= 0 ; )
- if (set1->elems[i] != set2->elems[i])
- return 0;
- return 1;
-}
-
-/* Return (idx + 1) if SET contains the element ELEM, return 0 otherwise. */
-
-static int
-internal_function __attribute ((pure))
-re_node_set_contains (const re_node_set *set, int elem)
-{
- unsigned int idx, right, mid;
- if (set->nelem <= 0)
- return 0;
-
- /* Binary search the element. */
- idx = 0;
- right = set->nelem - 1;
- while (idx < right)
- {
- mid = (idx + right) / 2;
- if (set->elems[mid] < elem)
- idx = mid + 1;
- else
- right = mid;
- }
- return set->elems[idx] == elem ? idx + 1 : 0;
-}
-
-static void
-internal_function
-re_node_set_remove_at (re_node_set *set, int idx)
-{
- if (idx < 0 || idx >= set->nelem)
- return;
- --set->nelem;
- for (; idx < set->nelem; idx++)
- set->elems[idx] = set->elems[idx + 1];
-}
-
-
-/* Add the token TOKEN to dfa->nodes, and return the index of the token.
- Or return -1, if an error will be occured. */
-
-static int
-internal_function
-re_dfa_add_node (re_dfa_t *dfa, re_token_t token)
-{
- if (BE (dfa->nodes_len >= dfa->nodes_alloc, 0))
- {
- size_t new_nodes_alloc = dfa->nodes_alloc * 2;
- int *new_nexts, *new_indices;
- re_node_set *new_edests, *new_eclosures;
- re_token_t *new_nodes;
-
- /* Avoid overflows in realloc. */
- const size_t max_object_size = MAX (sizeof (re_token_t),
- MAX (sizeof (re_node_set),
- sizeof (int)));
- if (BE (SIZE_MAX / max_object_size < new_nodes_alloc, 0))
- return -1;
-
- new_nodes = re_realloc (dfa->nodes, re_token_t, new_nodes_alloc);
- if (BE (new_nodes == NULL, 0))
- return -1;
- dfa->nodes = new_nodes;
- new_nexts = re_realloc (dfa->nexts, int, new_nodes_alloc);
- new_indices = re_realloc (dfa->org_indices, int, new_nodes_alloc);
- new_edests = re_realloc (dfa->edests, re_node_set, new_nodes_alloc);
- new_eclosures = re_realloc (dfa->eclosures, re_node_set, new_nodes_alloc);
- if (BE (new_nexts == NULL || new_indices == NULL
- || new_edests == NULL || new_eclosures == NULL, 0))
- return -1;
- dfa->nexts = new_nexts;
- dfa->org_indices = new_indices;
- dfa->edests = new_edests;
- dfa->eclosures = new_eclosures;
- dfa->nodes_alloc = new_nodes_alloc;
- }
- dfa->nodes[dfa->nodes_len] = token;
- dfa->nodes[dfa->nodes_len].constraint = 0;
-#ifdef RE_ENABLE_I18N
- dfa->nodes[dfa->nodes_len].accept_mb =
- (token.type == OP_PERIOD && dfa->mb_cur_max > 1) || token.type == COMPLEX_BRACKET;
-#endif
- dfa->nexts[dfa->nodes_len] = -1;
- re_node_set_init_empty (dfa->edests + dfa->nodes_len);
- re_node_set_init_empty (dfa->eclosures + dfa->nodes_len);
- return dfa->nodes_len++;
-}
-
-static inline unsigned int
-internal_function
-calc_state_hash (const re_node_set *nodes, unsigned int context)
-{
- unsigned int hash = nodes->nelem + context;
- int i;
- for (i = 0 ; i < nodes->nelem ; i++)
- hash += nodes->elems[i];
- return hash;
-}
-
-/* Search for the state whose node_set is equivalent to NODES.
- Return the pointer to the state, if we found it in the DFA.
- Otherwise create the new one and return it. In case of an error
- return NULL and set the error code in ERR.
- Note: - We assume NULL as the invalid state, then it is possible that
- return value is NULL and ERR is REG_NOERROR.
- - We never return non-NULL value in case of any errors, it is for
- optimization. */
-
-static re_dfastate_t *
-internal_function
-re_acquire_state (reg_errcode_t *err, const re_dfa_t *dfa,
- const re_node_set *nodes)
-{
- unsigned int hash;
- re_dfastate_t *new_state;
- struct re_state_table_entry *spot;
- int i;
- if (BE (nodes->nelem == 0, 0))
- {
- *err = REG_NOERROR;
- return NULL;
- }
- hash = calc_state_hash (nodes, 0);
- spot = dfa->state_table + (hash & dfa->state_hash_mask);
-
- for (i = 0 ; i < spot->num ; i++)
- {
- re_dfastate_t *state = spot->array[i];
- if (hash != state->hash)
- continue;
- if (re_node_set_compare (&state->nodes, nodes))
- return state;
- }
-
- /* There are no appropriate state in the dfa, create the new one. */
- new_state = create_ci_newstate (dfa, nodes, hash);
- if (BE (new_state == NULL, 0))
- *err = REG_ESPACE;
-
- return new_state;
-}
-
-/* Search for the state whose node_set is equivalent to NODES and
- whose context is equivalent to CONTEXT.
- Return the pointer to the state, if we found it in the DFA.
- Otherwise create the new one and return it. In case of an error
- return NULL and set the error code in ERR.
- Note: - We assume NULL as the invalid state, then it is possible that
- return value is NULL and ERR is REG_NOERROR.
- - We never return non-NULL value in case of any errors, it is for
- optimization. */
-
-static re_dfastate_t *
-internal_function
-re_acquire_state_context (reg_errcode_t *err, const re_dfa_t *dfa,
- const re_node_set *nodes, unsigned int context)
-{
- unsigned int hash;
- re_dfastate_t *new_state;
- struct re_state_table_entry *spot;
- int i;
- if (nodes->nelem == 0)
- {
- *err = REG_NOERROR;
- return NULL;
- }
- hash = calc_state_hash (nodes, context);
- spot = dfa->state_table + (hash & dfa->state_hash_mask);
-
- for (i = 0 ; i < spot->num ; i++)
- {
- re_dfastate_t *state = spot->array[i];
- if (state->hash == hash
- && state->context == context
- && re_node_set_compare (state->entrance_nodes, nodes))
- return state;
- }
- /* There are no appropriate state in `dfa', create the new one. */
- new_state = create_cd_newstate (dfa, nodes, context, hash);
- if (BE (new_state == NULL, 0))
- *err = REG_ESPACE;
-
- return new_state;
-}
-
-/* Finish initialization of the new state NEWSTATE, and using its hash value
- HASH put in the appropriate bucket of DFA's state table. Return value
- indicates the error code if failed. */
-
-static reg_errcode_t
-register_state (const re_dfa_t *dfa, re_dfastate_t *newstate,
- unsigned int hash)
-{
- struct re_state_table_entry *spot;
- reg_errcode_t err;
- int i;
-
- newstate->hash = hash;
- err = re_node_set_alloc (&newstate->non_eps_nodes, newstate->nodes.nelem);
- if (BE (err != REG_NOERROR, 0))
- return REG_ESPACE;
- for (i = 0; i < newstate->nodes.nelem; i++)
- {
- int elem = newstate->nodes.elems[i];
- if (!IS_EPSILON_NODE (dfa->nodes[elem].type))
- if (re_node_set_insert_last (&newstate->non_eps_nodes, elem) < 0)
- return REG_ESPACE;
- }
-
- spot = dfa->state_table + (hash & dfa->state_hash_mask);
- if (BE (spot->alloc <= spot->num, 0))
- {
- int new_alloc = 2 * spot->num + 2;
- re_dfastate_t **new_array = re_realloc (spot->array, re_dfastate_t *,
- new_alloc);
- if (BE (new_array == NULL, 0))
- return REG_ESPACE;
- spot->array = new_array;
- spot->alloc = new_alloc;
- }
- spot->array[spot->num++] = newstate;
- return REG_NOERROR;
-}
-
-static void
-free_state (re_dfastate_t *state)
-{
- re_node_set_free (&state->non_eps_nodes);
- re_node_set_free (&state->inveclosure);
- if (state->entrance_nodes != &state->nodes)
- {
- re_node_set_free (state->entrance_nodes);
- re_free (state->entrance_nodes);
- }
- re_node_set_free (&state->nodes);
- re_free (state->word_trtable);
- re_free (state->trtable);
- re_free (state);
-}
-
-/* Create the new state which is independ of contexts.
- Return the new state if succeeded, otherwise return NULL. */
-
-static re_dfastate_t *
-internal_function
-create_ci_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
- unsigned int hash)
-{
- int i;
- reg_errcode_t err;
- re_dfastate_t *newstate;
-
- newstate = (re_dfastate_t *) calloc (sizeof (re_dfastate_t), 1);
- if (BE (newstate == NULL, 0))
- return NULL;
- err = re_node_set_init_copy (&newstate->nodes, nodes);
- if (BE (err != REG_NOERROR, 0))
- {
- re_free (newstate);
- return NULL;
- }
-
- newstate->entrance_nodes = &newstate->nodes;
- for (i = 0 ; i < nodes->nelem ; i++)
- {
- re_token_t *node = dfa->nodes + nodes->elems[i];
- re_token_type_t type = node->type;
- if (type == CHARACTER && !node->constraint)
- continue;
-#ifdef RE_ENABLE_I18N
- newstate->accept_mb |= node->accept_mb;
-#endif /* RE_ENABLE_I18N */
-
- /* If the state has the halt node, the state is a halt state. */
- if (type == END_OF_RE)
- newstate->halt = 1;
- else if (type == OP_BACK_REF)
- newstate->has_backref = 1;
- else if (type == ANCHOR || node->constraint)
- newstate->has_constraint = 1;
- }
- err = register_state (dfa, newstate, hash);
- if (BE (err != REG_NOERROR, 0))
- {
- free_state (newstate);
- newstate = NULL;
- }
- return newstate;
-}
-
-/* Create the new state which is depend on the context CONTEXT.
- Return the new state if succeeded, otherwise return NULL. */
-
-static re_dfastate_t *
-internal_function
-create_cd_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
- unsigned int context, unsigned int hash)
-{
- int i, nctx_nodes = 0;
- reg_errcode_t err;
- re_dfastate_t *newstate;
-
- newstate = (re_dfastate_t *) calloc (sizeof (re_dfastate_t), 1);
- if (BE (newstate == NULL, 0))
- return NULL;
- err = re_node_set_init_copy (&newstate->nodes, nodes);
- if (BE (err != REG_NOERROR, 0))
- {
- re_free (newstate);
- return NULL;
- }
-
- newstate->context = context;
- newstate->entrance_nodes = &newstate->nodes;
-
- for (i = 0 ; i < nodes->nelem ; i++)
- {
- re_token_t *node = dfa->nodes + nodes->elems[i];
- re_token_type_t type = node->type;
- unsigned int constraint = node->constraint;
-
- if (type == CHARACTER && !constraint)
- continue;
-#ifdef RE_ENABLE_I18N
- newstate->accept_mb |= node->accept_mb;
-#endif /* RE_ENABLE_I18N */
-
- /* If the state has the halt node, the state is a halt state. */
- if (type == END_OF_RE)
- newstate->halt = 1;
- else if (type == OP_BACK_REF)
- newstate->has_backref = 1;
-
- if (constraint)
- {
- if (newstate->entrance_nodes == &newstate->nodes)
- {
- newstate->entrance_nodes = re_malloc (re_node_set, 1);
- if (BE (newstate->entrance_nodes == NULL, 0))
- {
- free_state (newstate);
- return NULL;
- }
- if (re_node_set_init_copy (newstate->entrance_nodes, nodes)
- != REG_NOERROR)
- return NULL;
- nctx_nodes = 0;
- newstate->has_constraint = 1;
- }
-
- if (NOT_SATISFY_PREV_CONSTRAINT (constraint,context))
- {
- re_node_set_remove_at (&newstate->nodes, i - nctx_nodes);
- ++nctx_nodes;
- }
- }
- }
- err = register_state (dfa, newstate, hash);
- if (BE (err != REG_NOERROR, 0))
- {
- free_state (newstate);
- newstate = NULL;
- }
- return newstate;
-}
diff --git a/deps/regex/regex_internal.h b/deps/regex/regex_internal.h
deleted file mode 100644
index 53ccebe..0000000
--- a/deps/regex/regex_internal.h
+++ /dev/null
@@ -1,819 +0,0 @@
-/* Extended regular expression matching and search library.
- Copyright (C) 2002-2005, 2007, 2008, 2010 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#ifndef _REGEX_INTERNAL_H
-#define _REGEX_INTERNAL_H 1
-
-#include <assert.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifndef UNUSED
-# ifdef __GNUC__
-# define UNUSED __attribute__((unused))
-# else
-# define UNUSED
-# endif
-#endif
-
-#if defined HAVE_LANGINFO_H || defined HAVE_LANGINFO_CODESET || defined _LIBC
-# include <langinfo.h>
-#endif
-#if defined HAVE_LOCALE_H || defined _LIBC
-# include <locale.h>
-#endif
-#if defined HAVE_WCHAR_H || defined _LIBC
-# include <wchar.h>
-#endif /* HAVE_WCHAR_H || _LIBC */
-#if defined HAVE_WCTYPE_H || defined _LIBC
-# include <wctype.h>
-#endif /* HAVE_WCTYPE_H || _LIBC */
-#if defined HAVE_STDBOOL_H || defined _LIBC
-# include <stdbool.h>
-#endif /* HAVE_STDBOOL_H || _LIBC */
-#if !defined(ZOS_USS)
-#if defined HAVE_STDINT_H || defined _LIBC
-# include <stdint.h>
-#endif /* HAVE_STDINT_H || _LIBC */
-#endif /* !ZOS_USS */
-#if defined _LIBC
-# include <bits/libc-lock.h>
-#else
-# define __libc_lock_define(CLASS,NAME)
-# define __libc_lock_init(NAME) do { } while (0)
-# define __libc_lock_lock(NAME) do { } while (0)
-# define __libc_lock_unlock(NAME) do { } while (0)
-#endif
-
-#ifndef GAWK
-/* In case that the system doesn't have isblank(). */
-#if !defined _LIBC && !defined HAVE_ISBLANK && !defined isblank
-# define isblank(ch) ((ch) == ' ' || (ch) == '\t')
-#endif
-#else /* GAWK */
-/*
- * This is a mess. On glibc systems you have to define
- * a magic constant to get isblank() out of <ctype.h>, since it's
- * a C99 function. To heck with all that and borrow a page from
- * dfa.c's book.
- */
-
-static int
-is_blank (int c)
-{
- return (c == ' ' || c == '\t');
-}
-#endif /* GAWK */
-
-#ifdef _LIBC
-# ifndef _RE_DEFINE_LOCALE_FUNCTIONS
-# define _RE_DEFINE_LOCALE_FUNCTIONS 1
-# include <locale/localeinfo.h>
-# include <locale/elem-hash.h>
-# include <locale/coll-lookup.h>
-# endif
-#endif
-
-/* This is for other GNU distributions with internationalized messages. */
-#if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
-# include <libintl.h>
-# ifdef _LIBC
-# undef gettext
-# define gettext(msgid) \
- INTUSE(__dcgettext) (_libc_intl_domainname, msgid, LC_MESSAGES)
-# endif
-#else
-# define gettext(msgid) (msgid)
-#endif
-
-#ifndef gettext_noop
-/* This define is so xgettext can find the internationalizable
- strings. */
-# define gettext_noop(String) String
-#endif
-
-/* For loser systems without the definition. */
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-
-#ifndef NO_MBSUPPORT
-#include "mbsupport.h" /* gawk */
-#endif
-#ifndef MB_CUR_MAX
-#define MB_CUR_MAX 1
-#endif
-
-#if (defined MBS_SUPPORT) || _LIBC
-# define RE_ENABLE_I18N
-#endif
-
-#if __GNUC__ >= 3
-# define BE(expr, val) __builtin_expect (expr, val)
-#else
-# define BE(expr, val) (expr)
-# ifdef inline
-# undef inline
-# endif
-# define inline
-#endif
-
-/* Number of single byte character. */
-#define SBC_MAX 256
-
-#define COLL_ELEM_LEN_MAX 8
-
-/* The character which represents newline. */
-#define NEWLINE_CHAR '\n'
-#define WIDE_NEWLINE_CHAR L'\n'
-
-/* Rename to standard API for using out of glibc. */
-#ifndef _LIBC
-# ifdef __wctype
-# undef __wctype
-# endif
-# define __wctype wctype
-# ifdef __iswctype
-# undef __iswctype
-# endif
-# define __iswctype iswctype
-# define __btowc btowc
-# define __mbrtowc mbrtowc
-#undef __mempcpy /* GAWK */
-# define __mempcpy mempcpy
-# define __wcrtomb wcrtomb
-# define __regfree regfree
-# define attribute_hidden
-#endif /* not _LIBC */
-
-#ifdef __GNUC__
-# define __attribute(arg) __attribute__ (arg)
-#else
-# define __attribute(arg)
-#endif
-
-extern const char __re_error_msgid[] attribute_hidden;
-extern const size_t __re_error_msgid_idx[] attribute_hidden;
-
-/* An integer used to represent a set of bits. It must be unsigned,
- and must be at least as wide as unsigned int. */
-typedef unsigned long int bitset_word_t;
-/* All bits set in a bitset_word_t. */
-#define BITSET_WORD_MAX ULONG_MAX
-/* Number of bits in a bitset_word_t. Cast to int as most code use it
- * like that for counting */
-#define BITSET_WORD_BITS ((int)(sizeof (bitset_word_t) * CHAR_BIT))
-/* Number of bitset_word_t in a bit_set. */
-#define BITSET_WORDS (SBC_MAX / BITSET_WORD_BITS)
-typedef bitset_word_t bitset_t[BITSET_WORDS];
-typedef bitset_word_t *re_bitset_ptr_t;
-typedef const bitset_word_t *re_const_bitset_ptr_t;
-
-#define bitset_set(set,i) \
- (set[i / BITSET_WORD_BITS] |= (bitset_word_t) 1 << i % BITSET_WORD_BITS)
-#define bitset_clear(set,i) \
- (set[i / BITSET_WORD_BITS] &= ~((bitset_word_t) 1 << i % BITSET_WORD_BITS))
-#define bitset_contain(set,i) \
- (set[i / BITSET_WORD_BITS] & ((bitset_word_t) 1 << i % BITSET_WORD_BITS))
-#define bitset_empty(set) memset (set, '\0', sizeof (bitset_t))
-#define bitset_set_all(set) memset (set, '\xff', sizeof (bitset_t))
-#define bitset_copy(dest,src) memcpy (dest, src, sizeof (bitset_t))
-
-#define PREV_WORD_CONSTRAINT 0x0001
-#define PREV_NOTWORD_CONSTRAINT 0x0002
-#define NEXT_WORD_CONSTRAINT 0x0004
-#define NEXT_NOTWORD_CONSTRAINT 0x0008
-#define PREV_NEWLINE_CONSTRAINT 0x0010
-#define NEXT_NEWLINE_CONSTRAINT 0x0020
-#define PREV_BEGBUF_CONSTRAINT 0x0040
-#define NEXT_ENDBUF_CONSTRAINT 0x0080
-#define WORD_DELIM_CONSTRAINT 0x0100
-#define NOT_WORD_DELIM_CONSTRAINT 0x0200
-
-typedef enum
-{
- INSIDE_WORD = PREV_WORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
- WORD_FIRST = PREV_NOTWORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
- WORD_LAST = PREV_WORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
- INSIDE_NOTWORD = PREV_NOTWORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
- LINE_FIRST = PREV_NEWLINE_CONSTRAINT,
- LINE_LAST = NEXT_NEWLINE_CONSTRAINT,
- BUF_FIRST = PREV_BEGBUF_CONSTRAINT,
- BUF_LAST = NEXT_ENDBUF_CONSTRAINT,
- WORD_DELIM = WORD_DELIM_CONSTRAINT,
- NOT_WORD_DELIM = NOT_WORD_DELIM_CONSTRAINT
-} re_context_type;
-
-typedef struct
-{
- int alloc;
- int nelem;
- int *elems;
-} re_node_set;
-
-typedef enum
-{
- NON_TYPE = 0,
-
- /* Node type, These are used by token, node, tree. */
- CHARACTER = 1,
- END_OF_RE = 2,
- SIMPLE_BRACKET = 3,
- OP_BACK_REF = 4,
- OP_PERIOD = 5,
-#ifdef RE_ENABLE_I18N
- COMPLEX_BRACKET = 6,
- OP_UTF8_PERIOD = 7,
-#endif /* RE_ENABLE_I18N */
-
- /* We define EPSILON_BIT as a macro so that OP_OPEN_SUBEXP is used
- when the debugger shows values of this enum type. */
-#define EPSILON_BIT 8
- OP_OPEN_SUBEXP = EPSILON_BIT | 0,
- OP_CLOSE_SUBEXP = EPSILON_BIT | 1,
- OP_ALT = EPSILON_BIT | 2,
- OP_DUP_ASTERISK = EPSILON_BIT | 3,
- ANCHOR = EPSILON_BIT | 4,
-
- /* Tree type, these are used only by tree. */
- CONCAT = 16,
- SUBEXP = 17,
-
- /* Token type, these are used only by token. */
- OP_DUP_PLUS = 18,
- OP_DUP_QUESTION,
- OP_OPEN_BRACKET,
- OP_CLOSE_BRACKET,
- OP_CHARSET_RANGE,
- OP_OPEN_DUP_NUM,
- OP_CLOSE_DUP_NUM,
- OP_NON_MATCH_LIST,
- OP_OPEN_COLL_ELEM,
- OP_CLOSE_COLL_ELEM,
- OP_OPEN_EQUIV_CLASS,
- OP_CLOSE_EQUIV_CLASS,
- OP_OPEN_CHAR_CLASS,
- OP_CLOSE_CHAR_CLASS,
- OP_WORD,
- OP_NOTWORD,
- OP_SPACE,
- OP_NOTSPACE,
- BACK_SLASH
-
-} re_token_type_t;
-
-#ifdef RE_ENABLE_I18N
-typedef struct
-{
- /* Multibyte characters. */
- wchar_t *mbchars;
-
- /* Collating symbols. */
-# ifdef _LIBC
- int32_t *coll_syms;
-# endif
-
- /* Equivalence classes. */
-# ifdef _LIBC
- int32_t *equiv_classes;
-# endif
-
- /* Range expressions. */
-# ifdef _LIBC
- uint32_t *range_starts;
- uint32_t *range_ends;
-# else /* not _LIBC */
- wchar_t *range_starts;
- wchar_t *range_ends;
-# endif /* not _LIBC */
-
- /* Character classes. */
- wctype_t *char_classes;
-
- /* If this character set is the non-matching list. */
- unsigned int non_match : 1;
-
- /* # of multibyte characters. */
- int nmbchars;
-
- /* # of collating symbols. */
- int ncoll_syms;
-
- /* # of equivalence classes. */
- int nequiv_classes;
-
- /* # of range expressions. */
- int nranges;
-
- /* # of character classes. */
- int nchar_classes;
-} re_charset_t;
-#endif /* RE_ENABLE_I18N */
-
-typedef struct
-{
- union
- {
- unsigned char c; /* for CHARACTER */
- re_bitset_ptr_t sbcset; /* for SIMPLE_BRACKET */
-#ifdef RE_ENABLE_I18N
- re_charset_t *mbcset; /* for COMPLEX_BRACKET */
-#endif /* RE_ENABLE_I18N */
- int idx; /* for BACK_REF */
- re_context_type ctx_type; /* for ANCHOR */
- } opr;
-#if __GNUC__ >= 2
- re_token_type_t type : 8;
-#else
- re_token_type_t type;
-#endif
- unsigned int constraint : 10; /* context constraint */
- unsigned int duplicated : 1;
- unsigned int opt_subexp : 1;
-#ifdef RE_ENABLE_I18N
- unsigned int accept_mb : 1;
- /* These 2 bits can be moved into the union if needed (e.g. if running out
- of bits; move opr.c to opr.c.c and move the flags to opr.c.flags). */
- unsigned int mb_partial : 1;
-#endif
- unsigned int word_char : 1;
-} re_token_t;
-
-#define IS_EPSILON_NODE(type) ((type) & EPSILON_BIT)
-
-struct re_string_t
-{
- /* Indicate the raw buffer which is the original string passed as an
- argument of regexec(), re_search(), etc.. */
- const unsigned char *raw_mbs;
- /* Store the multibyte string. In case of "case insensitive mode" like
- REG_ICASE, upper cases of the string are stored, otherwise MBS points
- the same address that RAW_MBS points. */
- unsigned char *mbs;
-#ifdef RE_ENABLE_I18N
- /* Store the wide character string which is corresponding to MBS. */
- wint_t *wcs;
- int *offsets;
- mbstate_t cur_state;
-#endif
- /* Index in RAW_MBS. Each character mbs[i] corresponds to
- raw_mbs[raw_mbs_idx + i]. */
- int raw_mbs_idx;
- /* The length of the valid characters in the buffers. */
- int valid_len;
- /* The corresponding number of bytes in raw_mbs array. */
- int valid_raw_len;
- /* The length of the buffers MBS and WCS. */
- int bufs_len;
- /* The index in MBS, which is updated by re_string_fetch_byte. */
- int cur_idx;
- /* length of RAW_MBS array. */
- int raw_len;
- /* This is RAW_LEN - RAW_MBS_IDX + VALID_LEN - VALID_RAW_LEN. */
- int len;
- /* End of the buffer may be shorter than its length in the cases such
- as re_match_2, re_search_2. Then, we use STOP for end of the buffer
- instead of LEN. */
- int raw_stop;
- /* This is RAW_STOP - RAW_MBS_IDX adjusted through OFFSETS. */
- int stop;
-
- /* The context of mbs[0]. We store the context independently, since
- the context of mbs[0] may be different from raw_mbs[0], which is
- the beginning of the input string. */
- unsigned int tip_context;
- /* The translation passed as a part of an argument of re_compile_pattern. */
- RE_TRANSLATE_TYPE trans;
- /* Copy of re_dfa_t's word_char. */
- re_const_bitset_ptr_t word_char;
- /* 1 if REG_ICASE. */
- unsigned char icase;
- unsigned char is_utf8;
- unsigned char map_notascii;
- unsigned char mbs_allocated;
- unsigned char offsets_needed;
- unsigned char newline_anchor;
- unsigned char word_ops_used;
- int mb_cur_max;
-};
-typedef struct re_string_t re_string_t;
-
-
-struct re_dfa_t;
-typedef struct re_dfa_t re_dfa_t;
-
-#ifndef _LIBC
-# ifdef __i386__
-# define internal_function __attribute ((regparm (3), stdcall))
-# else
-# define internal_function
-# endif
-#endif
-
-#ifndef NOT_IN_libc
-static reg_errcode_t re_string_realloc_buffers (re_string_t *pstr,
- int new_buf_len)
- internal_function;
-# ifdef RE_ENABLE_I18N
-static void build_wcs_buffer (re_string_t *pstr) internal_function;
-static reg_errcode_t build_wcs_upper_buffer (re_string_t *pstr)
- internal_function;
-# endif /* RE_ENABLE_I18N */
-static void build_upper_buffer (re_string_t *pstr) internal_function;
-static void re_string_translate_buffer (re_string_t *pstr) internal_function;
-static unsigned int re_string_context_at (const re_string_t *input, int idx,
- int eflags)
- internal_function __attribute ((pure));
-#endif
-#define re_string_peek_byte(pstr, offset) \
- ((pstr)->mbs[(pstr)->cur_idx + offset])
-#define re_string_fetch_byte(pstr) \
- ((pstr)->mbs[(pstr)->cur_idx++])
-#define re_string_first_byte(pstr, idx) \
- ((idx) == (pstr)->valid_len || (pstr)->wcs[idx] != WEOF)
-#define re_string_is_single_byte_char(pstr, idx) \
- ((pstr)->wcs[idx] != WEOF && ((pstr)->valid_len == (idx) + 1 \
- || (pstr)->wcs[(idx) + 1] != WEOF))
-#define re_string_eoi(pstr) ((pstr)->stop <= (pstr)->cur_idx)
-#define re_string_cur_idx(pstr) ((pstr)->cur_idx)
-#define re_string_get_buffer(pstr) ((pstr)->mbs)
-#define re_string_length(pstr) ((pstr)->len)
-#define re_string_byte_at(pstr,idx) ((pstr)->mbs[idx])
-#define re_string_skip_bytes(pstr,idx) ((pstr)->cur_idx += (idx))
-#define re_string_set_index(pstr,idx) ((pstr)->cur_idx = (idx))
-
-#ifndef _LIBC
-# if HAVE_ALLOCA
-# if (_MSC_VER)
-# include <malloc.h>
-# define __libc_use_alloca(n) 0
-# else
-# include <alloca.h>
-/* The OS usually guarantees only one guard page at the bottom of the stack,
- and a page size can be as small as 4096 bytes. So we cannot safely
- allocate anything larger than 4096 bytes. Also care for the possibility
- of a few compiler-allocated temporary stack slots. */
-# define __libc_use_alloca(n) ((n) < 4032)
-# endif
-# else
-/* alloca is implemented with malloc, so just use malloc. */
-# define __libc_use_alloca(n) 0
-# endif
-#endif
-
-#define re_malloc(t,n) ((t *) malloc ((n) * sizeof (t)))
-/* SunOS 4.1.x realloc doesn't accept null pointers: pre-Standard C. Sigh. */
-#define re_realloc(p,t,n) ((p != NULL) ? (t *) realloc (p,(n)*sizeof(t)) : (t *) calloc(n,sizeof(t)))
-#define re_free(p) free (p)
-
-struct bin_tree_t
-{
- struct bin_tree_t *parent;
- struct bin_tree_t *left;
- struct bin_tree_t *right;
- struct bin_tree_t *first;
- struct bin_tree_t *next;
-
- re_token_t token;
-
- /* `node_idx' is the index in dfa->nodes, if `type' == 0.
- Otherwise `type' indicate the type of this node. */
- int node_idx;
-};
-typedef struct bin_tree_t bin_tree_t;
-
-#define BIN_TREE_STORAGE_SIZE \
- ((1024 - sizeof (void *)) / sizeof (bin_tree_t))
-
-struct bin_tree_storage_t
-{
- struct bin_tree_storage_t *next;
- bin_tree_t data[BIN_TREE_STORAGE_SIZE];
-};
-typedef struct bin_tree_storage_t bin_tree_storage_t;
-
-#define CONTEXT_WORD 1
-#define CONTEXT_NEWLINE (CONTEXT_WORD << 1)
-#define CONTEXT_BEGBUF (CONTEXT_NEWLINE << 1)
-#define CONTEXT_ENDBUF (CONTEXT_BEGBUF << 1)
-
-#define IS_WORD_CONTEXT(c) ((c) & CONTEXT_WORD)
-#define IS_NEWLINE_CONTEXT(c) ((c) & CONTEXT_NEWLINE)
-#define IS_BEGBUF_CONTEXT(c) ((c) & CONTEXT_BEGBUF)
-#define IS_ENDBUF_CONTEXT(c) ((c) & CONTEXT_ENDBUF)
-#define IS_ORDINARY_CONTEXT(c) ((c) == 0)
-
-#define IS_WORD_CHAR(ch) (isalnum (ch) || (ch) == '_')
-#define IS_NEWLINE(ch) ((ch) == NEWLINE_CHAR)
-#define IS_WIDE_WORD_CHAR(ch) (iswalnum (ch) || (ch) == L'_')
-#define IS_WIDE_NEWLINE(ch) ((ch) == WIDE_NEWLINE_CHAR)
-
-#define NOT_SATISFY_PREV_CONSTRAINT(constraint,context) \
- ((((constraint) & PREV_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
- || ((constraint & PREV_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
- || ((constraint & PREV_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context))\
- || ((constraint & PREV_BEGBUF_CONSTRAINT) && !IS_BEGBUF_CONTEXT (context)))
-
-#define NOT_SATISFY_NEXT_CONSTRAINT(constraint,context) \
- ((((constraint) & NEXT_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
- || (((constraint) & NEXT_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
- || (((constraint) & NEXT_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context)) \
- || (((constraint) & NEXT_ENDBUF_CONSTRAINT) && !IS_ENDBUF_CONTEXT (context)))
-
-struct re_dfastate_t
-{
- unsigned int hash;
- re_node_set nodes;
- re_node_set non_eps_nodes;
- re_node_set inveclosure;
- re_node_set *entrance_nodes;
- struct re_dfastate_t **trtable, **word_trtable;
- unsigned int context : 4;
- unsigned int halt : 1;
- /* If this state can accept `multi byte'.
- Note that we refer to multibyte characters, and multi character
- collating elements as `multi byte'. */
- unsigned int accept_mb : 1;
- /* If this state has backreference node(s). */
- unsigned int has_backref : 1;
- unsigned int has_constraint : 1;
-};
-typedef struct re_dfastate_t re_dfastate_t;
-
-struct re_state_table_entry
-{
- int num;
- int alloc;
- re_dfastate_t **array;
-};
-
-/* Array type used in re_sub_match_last_t and re_sub_match_top_t. */
-
-typedef struct
-{
- int next_idx;
- int alloc;
- re_dfastate_t **array;
-} state_array_t;
-
-/* Store information about the node NODE whose type is OP_CLOSE_SUBEXP. */
-
-typedef struct
-{
- int node;
- int str_idx; /* The position NODE match at. */
- state_array_t path;
-} re_sub_match_last_t;
-
-/* Store information about the node NODE whose type is OP_OPEN_SUBEXP.
- And information about the node, whose type is OP_CLOSE_SUBEXP,
- corresponding to NODE is stored in LASTS. */
-
-typedef struct
-{
- int str_idx;
- int node;
- state_array_t *path;
- int alasts; /* Allocation size of LASTS. */
- int nlasts; /* The number of LASTS. */
- re_sub_match_last_t **lasts;
-} re_sub_match_top_t;
-
-struct re_backref_cache_entry
-{
- int node;
- int str_idx;
- int subexp_from;
- int subexp_to;
- char more;
- char unused;
- unsigned short int eps_reachable_subexps_map;
-};
-
-typedef struct
-{
- /* The string object corresponding to the input string. */
- re_string_t input;
-#if defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
- const re_dfa_t *const dfa;
-#else
- const re_dfa_t *dfa;
-#endif
- /* EFLAGS of the argument of regexec. */
- int eflags;
- /* Where the matching ends. */
- int match_last;
- int last_node;
- /* The state log used by the matcher. */
- re_dfastate_t **state_log;
- int state_log_top;
- /* Back reference cache. */
- int nbkref_ents;
- int abkref_ents;
- struct re_backref_cache_entry *bkref_ents;
- int max_mb_elem_len;
- int nsub_tops;
- int asub_tops;
- re_sub_match_top_t **sub_tops;
-} re_match_context_t;
-
-typedef struct
-{
- re_dfastate_t **sifted_states;
- re_dfastate_t **limited_states;
- int last_node;
- int last_str_idx;
- re_node_set limits;
-} re_sift_context_t;
-
-struct re_fail_stack_ent_t
-{
- int idx;
- int node;
- regmatch_t *regs;
- re_node_set eps_via_nodes;
-};
-
-struct re_fail_stack_t
-{
- int num;
- int alloc;
- struct re_fail_stack_ent_t *stack;
-};
-
-struct re_dfa_t
-{
- re_token_t *nodes;
- size_t nodes_alloc;
- size_t nodes_len;
- int *nexts;
- int *org_indices;
- re_node_set *edests;
- re_node_set *eclosures;
- re_node_set *inveclosures;
- struct re_state_table_entry *state_table;
- re_dfastate_t *init_state;
- re_dfastate_t *init_state_word;
- re_dfastate_t *init_state_nl;
- re_dfastate_t *init_state_begbuf;
- bin_tree_t *str_tree;
- bin_tree_storage_t *str_tree_storage;
- re_bitset_ptr_t sb_char;
- int str_tree_storage_idx;
-
- /* number of subexpressions `re_nsub' is in regex_t. */
- unsigned int state_hash_mask;
- int init_node;
- int nbackref; /* The number of backreference in this dfa. */
-
- /* Bitmap expressing which backreference is used. */
- bitset_word_t used_bkref_map;
- bitset_word_t completed_bkref_map;
-
- unsigned int has_plural_match : 1;
- /* If this dfa has "multibyte node", which is a backreference or
- a node which can accept multibyte character or multi character
- collating element. */
- unsigned int has_mb_node : 1;
- unsigned int is_utf8 : 1;
- unsigned int map_notascii : 1;
- unsigned int word_ops_used : 1;
- int mb_cur_max;
- bitset_t word_char;
- reg_syntax_t syntax;
- int *subexp_map;
-#ifdef DEBUG
- char* re_str;
-#endif
-#if defined _LIBC
- __libc_lock_define (, lock)
-#endif
-};
-
-#define re_node_set_init_empty(set) memset (set, '\0', sizeof (re_node_set))
-#define re_node_set_remove(set,id) \
- (re_node_set_remove_at (set, re_node_set_contains (set, id) - 1))
-#define re_node_set_empty(p) ((p)->nelem = 0)
-#define re_node_set_free(set) re_free ((set)->elems)
-
-
-typedef enum
-{
- SB_CHAR,
- MB_CHAR,
- EQUIV_CLASS,
- COLL_SYM,
- CHAR_CLASS
-} bracket_elem_type;
-
-typedef struct
-{
- bracket_elem_type type;
- union
- {
- unsigned char ch;
- unsigned char *name;
- wchar_t wch;
- } opr;
-} bracket_elem_t;
-
-
-/* Inline functions for bitset operation. */
-static inline void
-bitset_not (bitset_t set)
-{
- int bitset_i;
- for (bitset_i = 0; bitset_i < BITSET_WORDS; ++bitset_i)
- set[bitset_i] = ~set[bitset_i];
-}
-
-static inline void
-bitset_merge (bitset_t dest, const bitset_t src)
-{
- int bitset_i;
- for (bitset_i = 0; bitset_i < BITSET_WORDS; ++bitset_i)
- dest[bitset_i] |= src[bitset_i];
-}
-
-static inline void
-bitset_mask (bitset_t dest, const bitset_t src)
-{
- int bitset_i;
- for (bitset_i = 0; bitset_i < BITSET_WORDS; ++bitset_i)
- dest[bitset_i] &= src[bitset_i];
-}
-
-#ifdef RE_ENABLE_I18N
-/* Inline functions for re_string. */
-static inline int
-internal_function __attribute ((pure))
-re_string_char_size_at (const re_string_t *pstr, int idx)
-{
- int byte_idx;
- if (pstr->mb_cur_max == 1)
- return 1;
- for (byte_idx = 1; idx + byte_idx < pstr->valid_len; ++byte_idx)
- if (pstr->wcs[idx + byte_idx] != WEOF)
- break;
- return byte_idx;
-}
-
-static inline wint_t
-internal_function __attribute ((pure))
-re_string_wchar_at (const re_string_t *pstr, int idx)
-{
- if (pstr->mb_cur_max == 1)
- return (wint_t) pstr->mbs[idx];
- return (wint_t) pstr->wcs[idx];
-}
-
-# ifndef NOT_IN_libc
-static int
-internal_function __attribute ((pure))
-re_string_elem_size_at (const re_string_t *pstr, int idx)
-{
-# ifdef _LIBC
- const unsigned char *p, *extra;
- const int32_t *table, *indirect;
- int32_t tmp;
-# include <locale/weight.h>
- uint_fast32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
-
- if (nrules != 0)
- {
- table = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
- extra = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
- indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE,
- _NL_COLLATE_INDIRECTMB);
- p = pstr->mbs + idx;
- tmp = findidx (&p);
- return p - pstr->mbs - idx;
- }
- else
-# endif /* _LIBC */
- return 1;
-}
-# endif
-#endif /* RE_ENABLE_I18N */
-
-#endif /* _REGEX_INTERNAL_H */
diff --git a/deps/regex/regexec.c b/deps/regex/regexec.c
deleted file mode 100644
index 0a1602e..0000000
--- a/deps/regex/regexec.c
+++ /dev/null
@@ -1,4369 +0,0 @@
-/* Extended regular expression matching and search library.
- Copyright (C) 2002-2005, 2007, 2009, 2010 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
-
-static reg_errcode_t match_ctx_init (re_match_context_t *cache, int eflags,
- int n) internal_function;
-static void match_ctx_clean (re_match_context_t *mctx) internal_function;
-static void match_ctx_free (re_match_context_t *cache) internal_function;
-static reg_errcode_t match_ctx_add_entry (re_match_context_t *cache, int node,
- int str_idx, int from, int to)
- internal_function;
-static int search_cur_bkref_entry (const re_match_context_t *mctx, int str_idx)
- internal_function;
-static reg_errcode_t match_ctx_add_subtop (re_match_context_t *mctx, int node,
- int str_idx) internal_function;
-static re_sub_match_last_t * match_ctx_add_sublast (re_sub_match_top_t *subtop,
- int node, int str_idx)
- internal_function;
-static void sift_ctx_init (re_sift_context_t *sctx, re_dfastate_t **sifted_sts,
- re_dfastate_t **limited_sts, int last_node,
- int last_str_idx)
- internal_function;
-static reg_errcode_t re_search_internal (const regex_t *preg,
- const char *string, int length,
- int start, int range, int stop,
- size_t nmatch, regmatch_t pmatch[],
- int eflags);
-static int re_search_2_stub (struct re_pattern_buffer *bufp,
- const char *string1, int length1,
- const char *string2, int length2,
- int start, int range, struct re_registers *regs,
- int stop, int ret_len);
-static int re_search_stub (struct re_pattern_buffer *bufp,
- const char *string, int length, int start,
- int range, int stop, struct re_registers *regs,
- int ret_len);
-static unsigned re_copy_regs (struct re_registers *regs, regmatch_t *pmatch,
- unsigned int nregs, int regs_allocated);
-static reg_errcode_t prune_impossible_nodes (re_match_context_t *mctx);
-static int check_matching (re_match_context_t *mctx, int fl_longest_match,
- int *p_match_first) internal_function;
-static int check_halt_state_context (const re_match_context_t *mctx,
- const re_dfastate_t *state, int idx)
- internal_function;
-static void update_regs (const re_dfa_t *dfa, regmatch_t *pmatch,
- regmatch_t *prev_idx_match, int cur_node,
- int cur_idx, int nmatch) internal_function;
-static reg_errcode_t push_fail_stack (struct re_fail_stack_t *fs,
- int str_idx, int dest_node, int nregs,
- regmatch_t *regs,
- re_node_set *eps_via_nodes)
- internal_function;
-static reg_errcode_t set_regs (const regex_t *preg,
- const re_match_context_t *mctx,
- size_t nmatch, regmatch_t *pmatch,
- int fl_backtrack) internal_function;
-static reg_errcode_t free_fail_stack_return (struct re_fail_stack_t *fs)
- internal_function;
-
-#ifdef RE_ENABLE_I18N
-static int sift_states_iter_mb (const re_match_context_t *mctx,
- re_sift_context_t *sctx,
- int node_idx, int str_idx, int max_str_idx)
- internal_function;
-#endif /* RE_ENABLE_I18N */
-static reg_errcode_t sift_states_backward (const re_match_context_t *mctx,
- re_sift_context_t *sctx)
- internal_function;
-static reg_errcode_t build_sifted_states (const re_match_context_t *mctx,
- re_sift_context_t *sctx, int str_idx,
- re_node_set *cur_dest)
- internal_function;
-static reg_errcode_t update_cur_sifted_state (const re_match_context_t *mctx,
- re_sift_context_t *sctx,
- int str_idx,
- re_node_set *dest_nodes)
- internal_function;
-static reg_errcode_t add_epsilon_src_nodes (const re_dfa_t *dfa,
- re_node_set *dest_nodes,
- const re_node_set *candidates)
- internal_function;
-static int check_dst_limits (const re_match_context_t *mctx,
- re_node_set *limits,
- int dst_node, int dst_idx, int src_node,
- int src_idx) internal_function;
-static int check_dst_limits_calc_pos_1 (const re_match_context_t *mctx,
- int boundaries, int subexp_idx,
- int from_node, int bkref_idx)
- internal_function;
-static int check_dst_limits_calc_pos (const re_match_context_t *mctx,
- int limit, int subexp_idx,
- int node, int str_idx,
- int bkref_idx) internal_function;
-static reg_errcode_t check_subexp_limits (const re_dfa_t *dfa,
- re_node_set *dest_nodes,
- const re_node_set *candidates,
- re_node_set *limits,
- struct re_backref_cache_entry *bkref_ents,
- int str_idx) internal_function;
-static reg_errcode_t sift_states_bkref (const re_match_context_t *mctx,
- re_sift_context_t *sctx,
- int str_idx, const re_node_set *candidates)
- internal_function;
-static reg_errcode_t merge_state_array (const re_dfa_t *dfa,
- re_dfastate_t **dst,
- re_dfastate_t **src, int num)
- internal_function;
-static re_dfastate_t *find_recover_state (reg_errcode_t *err,
- re_match_context_t *mctx) internal_function;
-static re_dfastate_t *transit_state (reg_errcode_t *err,
- re_match_context_t *mctx,
- re_dfastate_t *state) internal_function;
-static re_dfastate_t *merge_state_with_log (reg_errcode_t *err,
- re_match_context_t *mctx,
- re_dfastate_t *next_state)
- internal_function;
-static reg_errcode_t check_subexp_matching_top (re_match_context_t *mctx,
- re_node_set *cur_nodes,
- int str_idx) internal_function;
-#if 0
-static re_dfastate_t *transit_state_sb (reg_errcode_t *err,
- re_match_context_t *mctx,
- re_dfastate_t *pstate)
- internal_function;
-#endif
-#ifdef RE_ENABLE_I18N
-static reg_errcode_t transit_state_mb (re_match_context_t *mctx,
- re_dfastate_t *pstate)
- internal_function;
-#endif /* RE_ENABLE_I18N */
-static reg_errcode_t transit_state_bkref (re_match_context_t *mctx,
- const re_node_set *nodes)
- internal_function;
-static reg_errcode_t get_subexp (re_match_context_t *mctx,
- int bkref_node, int bkref_str_idx)
- internal_function;
-static reg_errcode_t get_subexp_sub (re_match_context_t *mctx,
- const re_sub_match_top_t *sub_top,
- re_sub_match_last_t *sub_last,
- int bkref_node, int bkref_str)
- internal_function;
-static int find_subexp_node (const re_dfa_t *dfa, const re_node_set *nodes,
- int subexp_idx, int type) internal_function;
-static reg_errcode_t check_arrival (re_match_context_t *mctx,
- state_array_t *path, int top_node,
- int top_str, int last_node, int last_str,
- int type) internal_function;
-static reg_errcode_t check_arrival_add_next_nodes (re_match_context_t *mctx,
- int str_idx,
- re_node_set *cur_nodes,
- re_node_set *next_nodes)
- internal_function;
-static reg_errcode_t check_arrival_expand_ecl (const re_dfa_t *dfa,
- re_node_set *cur_nodes,
- int ex_subexp, int type)
- internal_function;
-static reg_errcode_t check_arrival_expand_ecl_sub (const re_dfa_t *dfa,
- re_node_set *dst_nodes,
- int target, int ex_subexp,
- int type) internal_function;
-static reg_errcode_t expand_bkref_cache (re_match_context_t *mctx,
- re_node_set *cur_nodes, int cur_str,
- int subexp_num, int type)
- internal_function;
-static int build_trtable (const re_dfa_t *dfa,
- re_dfastate_t *state) internal_function;
-#ifdef RE_ENABLE_I18N
-static int check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
- const re_string_t *input, int idx)
- internal_function;
-# ifdef _LIBC
-static unsigned int find_collation_sequence_value (const unsigned char *mbs,
- size_t name_len)
- internal_function;
-# endif /* _LIBC */
-#endif /* RE_ENABLE_I18N */
-static int group_nodes_into_DFAstates (const re_dfa_t *dfa,
- const re_dfastate_t *state,
- re_node_set *states_node,
- bitset_t *states_ch) internal_function;
-static int check_node_accept (const re_match_context_t *mctx,
- const re_token_t *node, int idx)
- internal_function;
-static reg_errcode_t extend_buffers (re_match_context_t *mctx)
- internal_function;
-
-/* Entry point for POSIX code. */
-
-/* regexec searches for a given pattern, specified by PREG, in the
- string STRING.
-
- If NMATCH is zero or REG_NOSUB was set in the cflags argument to
- `regcomp', we ignore PMATCH. Otherwise, we assume PMATCH has at
- least NMATCH elements, and we set them to the offsets of the
- corresponding matched substrings.
-
- EFLAGS specifies `execution flags' which affect matching: if
- REG_NOTBOL is set, then ^ does not match at the beginning of the
- string; if REG_NOTEOL is set, then $ does not match at the end.
-
- We return 0 if we find a match and REG_NOMATCH if not. */
-
-int
-regexec (
- const regex_t *__restrict preg,
- const char *__restrict string,
- size_t nmatch,
- regmatch_t pmatch[],
- int eflags)
-{
- reg_errcode_t err;
- int start, length;
-
- if (eflags & ~(REG_NOTBOL | REG_NOTEOL | REG_STARTEND))
- return REG_BADPAT;
-
- if (eflags & REG_STARTEND)
- {
- start = pmatch[0].rm_so;
- length = pmatch[0].rm_eo;
- }
- else
- {
- start = 0;
- length = strlen (string);
- }
-
- __libc_lock_lock (dfa->lock);
- if (preg->no_sub)
- err = re_search_internal (preg, string, length, start, length - start,
- length, 0, NULL, eflags);
- else
- err = re_search_internal (preg, string, length, start, length - start,
- length, nmatch, pmatch, eflags);
- __libc_lock_unlock (dfa->lock);
- return err != REG_NOERROR;
-}
-
-#ifdef _LIBC
-# include <shlib-compat.h>
-versioned_symbol (libc, __regexec, regexec, GLIBC_2_3_4);
-
-# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)
-__typeof__ (__regexec) __compat_regexec;
-
-int
-attribute_compat_text_section
-__compat_regexec (const regex_t *__restrict preg,
- const char *__restrict string, size_t nmatch,
- regmatch_t pmatch[], int eflags)
-{
- return regexec (preg, string, nmatch, pmatch,
- eflags & (REG_NOTBOL | REG_NOTEOL));
-}
-compat_symbol (libc, __compat_regexec, regexec, GLIBC_2_0);
-# endif
-#endif
-
-/* Entry points for GNU code. */
-
-/* re_match, re_search, re_match_2, re_search_2
-
- The former two functions operate on STRING with length LENGTH,
- while the later two operate on concatenation of STRING1 and STRING2
- with lengths LENGTH1 and LENGTH2, respectively.
-
- re_match() matches the compiled pattern in BUFP against the string,
- starting at index START.
-
- re_search() first tries matching at index START, then it tries to match
- starting from index START + 1, and so on. The last start position tried
- is START + RANGE. (Thus RANGE = 0 forces re_search to operate the same
- way as re_match().)
-
- The parameter STOP of re_{match,search}_2 specifies that no match exceeding
- the first STOP characters of the concatenation of the strings should be
- concerned.
-
- If REGS is not NULL, and BUFP->no_sub is not set, the offsets of the match
- and all groups is stroed in REGS. (For the "_2" variants, the offsets are
- computed relative to the concatenation, not relative to the individual
- strings.)
-
- On success, re_match* functions return the length of the match, re_search*
- return the position of the start of the match. Return value -1 means no
- match was found and -2 indicates an internal error. */
-
-int
-re_match (struct re_pattern_buffer *bufp,
- const char *string,
- int length,
- int start,
- struct re_registers *regs)
-{
- return re_search_stub (bufp, string, length, start, 0, length, regs, 1);
-}
-#ifdef _LIBC
-weak_alias (__re_match, re_match)
-#endif
-
-int
-re_search (struct re_pattern_buffer *bufp,
- const char *string,
- int length, int start, int range,
- struct re_registers *regs)
-{
- return re_search_stub (bufp, string, length, start, range, length, regs, 0);
-}
-#ifdef _LIBC
-weak_alias (__re_search, re_search)
-#endif
-
-int
-re_match_2 (struct re_pattern_buffer *bufp,
- const char *string1, int length1,
- const char *string2, int length2, int start,
- struct re_registers *regs, int stop)
-{
- return re_search_2_stub (bufp, string1, length1, string2, length2,
- start, 0, regs, stop, 1);
-}
-#ifdef _LIBC
-weak_alias (__re_match_2, re_match_2)
-#endif
-
-int
-re_search_2 (struct re_pattern_buffer *bufp,
- const char *string1, int length1,
- const char *string2, int length2, int start,
- int range, struct re_registers *regs, int stop)
-{
- return re_search_2_stub (bufp, string1, length1, string2, length2,
- start, range, regs, stop, 0);
-}
-#ifdef _LIBC
-weak_alias (__re_search_2, re_search_2)
-#endif
-
-static int
-re_search_2_stub (struct re_pattern_buffer *bufp,
- const char *string1, int length1,
- const char *string2, int length2, int start,
- int range, struct re_registers *regs,
- int stop, int ret_len)
-{
- const char *str;
- int rval;
- int len = length1 + length2;
- int free_str = 0;
-
- if (BE (length1 < 0 || length2 < 0 || stop < 0, 0))
- return -2;
-
- /* Concatenate the strings. */
- if (length2 > 0)
- if (length1 > 0)
- {
- char *s = re_malloc (char, len);
-
- if (BE (s == NULL, 0))
- return -2;
- memcpy (s, string1, length1);
- memcpy (s + length1, string2, length2);
- str = s;
- free_str = 1;
- }
- else
- str = string2;
- else
- str = string1;
-
- rval = re_search_stub (bufp, str, len, start, range, stop, regs, ret_len);
- if (free_str)
- re_free ((char *) str);
- return rval;
-}
-
-/* The parameters have the same meaning as those of re_search.
- Additional parameters:
- If RET_LEN is nonzero the length of the match is returned (re_match style);
- otherwise the position of the match is returned. */
-
-static int
-re_search_stub (struct re_pattern_buffer *bufp,
- const char *string, int length, int start,
- int range, int stop,
- struct re_registers *regs, int ret_len)
-{
- reg_errcode_t result;
- regmatch_t *pmatch;
- int nregs, rval;
- int eflags = 0;
-
- /* Check for out-of-range. */
- if (BE (start < 0 || start > length, 0))
- return -1;
- if (BE (start + range > length, 0))
- range = length - start;
- else if (BE (start + range < 0, 0))
- range = -start;
-
- __libc_lock_lock (dfa->lock);
-
- eflags |= (bufp->not_bol) ? REG_NOTBOL : 0;
- eflags |= (bufp->not_eol) ? REG_NOTEOL : 0;
-
- /* Compile fastmap if we haven't yet. */
- if (range > 0 && bufp->fastmap != NULL && !bufp->fastmap_accurate)
- re_compile_fastmap (bufp);
-
- if (BE (bufp->no_sub, 0))
- regs = NULL;
-
- /* We need at least 1 register. */
- if (regs == NULL)
- nregs = 1;
- else if (BE (bufp->regs_allocated == REGS_FIXED &&
- regs->num_regs < bufp->re_nsub + 1, 0))
- {
- nregs = regs->num_regs;
- if (BE (nregs < 1, 0))
- {
- /* Nothing can be copied to regs. */
- regs = NULL;
- nregs = 1;
- }
- }
- else
- nregs = bufp->re_nsub + 1;
- pmatch = re_malloc (regmatch_t, nregs);
- if (BE (pmatch == NULL, 0))
- {
- rval = -2;
- goto out;
- }
-
- result = re_search_internal (bufp, string, length, start, range, stop,
- nregs, pmatch, eflags);
-
- rval = 0;
-
- /* I hope we needn't fill ther regs with -1's when no match was found. */
- if (result != REG_NOERROR)
- rval = -1;
- else if (regs != NULL)
- {
- /* If caller wants register contents data back, copy them. */
- bufp->regs_allocated = re_copy_regs (regs, pmatch, nregs,
- bufp->regs_allocated);
- if (BE (bufp->regs_allocated == REGS_UNALLOCATED, 0))
- rval = -2;
- }
-
- if (BE (rval == 0, 1))
- {
- if (ret_len)
- {
- assert (pmatch[0].rm_so == start);
- rval = pmatch[0].rm_eo - start;
- }
- else
- rval = pmatch[0].rm_so;
- }
- re_free (pmatch);
- out:
- __libc_lock_unlock (dfa->lock);
- return rval;
-}
-
-static unsigned
-re_copy_regs (struct re_registers *regs,
- regmatch_t *pmatch,
- unsigned int nregs, int regs_allocated)
-{
- int rval = REGS_REALLOCATE;
- unsigned int i;
- unsigned int need_regs = nregs + 1;
- /* We need one extra element beyond `num_regs' for the `-1' marker GNU code
- uses. */
-
- /* Have the register data arrays been allocated? */
- if (regs_allocated == REGS_UNALLOCATED)
- { /* No. So allocate them with malloc. */
- regs->start = re_malloc (regoff_t, need_regs);
- if (BE (regs->start == NULL, 0))
- return REGS_UNALLOCATED;
- regs->end = re_malloc (regoff_t, need_regs);
- if (BE (regs->end == NULL, 0))
- {
- re_free (regs->start);
- return REGS_UNALLOCATED;
- }
- regs->num_regs = need_regs;
- }
- else if (regs_allocated == REGS_REALLOCATE)
- { /* Yes. If we need more elements than were already
- allocated, reallocate them. If we need fewer, just
- leave it alone. */
- if (BE (need_regs > regs->num_regs, 0))
- {
- regoff_t *new_start = re_realloc (regs->start, regoff_t, need_regs);
- regoff_t *new_end;
- if (BE (new_start == NULL, 0))
- return REGS_UNALLOCATED;
- new_end = re_realloc (regs->end, regoff_t, need_regs);
- if (BE (new_end == NULL, 0))
- {
- re_free (new_start);
- return REGS_UNALLOCATED;
- }
- regs->start = new_start;
- regs->end = new_end;
- regs->num_regs = need_regs;
- }
- }
- else
- {
- assert (regs_allocated == REGS_FIXED);
- /* This function may not be called with REGS_FIXED and nregs too big. */
- assert (regs->num_regs >= nregs);
- rval = REGS_FIXED;
- }
-
- /* Copy the regs. */
- for (i = 0; i < nregs; ++i)
- {
- regs->start[i] = pmatch[i].rm_so;
- regs->end[i] = pmatch[i].rm_eo;
- }
- for ( ; i < regs->num_regs; ++i)
- regs->start[i] = regs->end[i] = -1;
-
- return rval;
-}
-
-/* Set REGS to hold NUM_REGS registers, storing them in STARTS and
- ENDS. Subsequent matches using PATTERN_BUFFER and REGS will use
- this memory for recording register information. STARTS and ENDS
- must be allocated using the malloc library routine, and must each
- be at least NUM_REGS * sizeof (regoff_t) bytes long.
-
- If NUM_REGS == 0, then subsequent matches should allocate their own
- register data.
-
- Unless this function is called, the first search or match using
- PATTERN_BUFFER will allocate its own register data, without
- freeing the old data. */
-
-void
-re_set_registers (struct re_pattern_buffer *bufp,
- struct re_registers *regs,
- unsigned num_regs,
- regoff_t *starts,
- regoff_t *ends)
-{
- if (num_regs)
- {
- bufp->regs_allocated = REGS_REALLOCATE;
- regs->num_regs = num_regs;
- regs->start = starts;
- regs->end = ends;
- }
- else
- {
- bufp->regs_allocated = REGS_UNALLOCATED;
- regs->num_regs = 0;
- regs->start = regs->end = (regoff_t *) 0;
- }
-}
-#ifdef _LIBC
-weak_alias (__re_set_registers, re_set_registers)
-#endif
-
-/* Entry points compatible with 4.2 BSD regex library. We don't define
- them unless specifically requested. */
-
-#if defined _REGEX_RE_COMP || defined _LIBC
-int
-# ifdef _LIBC
-weak_function
-# endif
-re_exec (s)
- const char *s;
-{
- return 0 == regexec (&re_comp_buf, s, 0, NULL, 0);
-}
-#endif /* _REGEX_RE_COMP */
-
-/* Internal entry point. */
-
-/* Searches for a compiled pattern PREG in the string STRING, whose
- length is LENGTH. NMATCH, PMATCH, and EFLAGS have the same
- mingings with regexec. START, and RANGE have the same meanings
- with re_search.
- Return REG_NOERROR if we find a match, and REG_NOMATCH if not,
- otherwise return the error code.
- Note: We assume front end functions already check ranges.
- (START + RANGE >= 0 && START + RANGE <= LENGTH) */
-
-static reg_errcode_t
-re_search_internal (const regex_t *preg,
- const char *string,
- int length, int start, int range, int stop,
- size_t nmatch, regmatch_t pmatch[],
- int eflags)
-{
- reg_errcode_t err;
- const re_dfa_t *dfa = (const re_dfa_t *) preg->buffer;
- int left_lim, right_lim, incr;
- int fl_longest_match, match_first, match_kind, match_last = -1;
- unsigned int extra_nmatch;
- int sb, ch;
-#if defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
- re_match_context_t mctx = { .dfa = dfa };
-#else
- re_match_context_t mctx;
-#endif
- char *fastmap = (preg->fastmap != NULL && preg->fastmap_accurate
- && range && !preg->can_be_null) ? preg->fastmap : NULL;
- RE_TRANSLATE_TYPE t = preg->translate;
-
-#if !(defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
- memset (&mctx, '\0', sizeof (re_match_context_t));
- mctx.dfa = dfa;
-#endif
-
- extra_nmatch = (nmatch > preg->re_nsub) ? nmatch - (preg->re_nsub + 1) : 0;
- nmatch -= extra_nmatch;
-
- /* Check if the DFA haven't been compiled. */
- if (BE (preg->used == 0 || dfa->init_state == NULL
- || dfa->init_state_word == NULL || dfa->init_state_nl == NULL
- || dfa->init_state_begbuf == NULL, 0))
- return REG_NOMATCH;
-
-#ifdef DEBUG
- /* We assume front-end functions already check them. */
- assert (start + range >= 0 && start + range <= length);
-#endif
-
- /* If initial states with non-begbuf contexts have no elements,
- the regex must be anchored. If preg->newline_anchor is set,
- we'll never use init_state_nl, so do not check it. */
- if (dfa->init_state->nodes.nelem == 0
- && dfa->init_state_word->nodes.nelem == 0
- && (dfa->init_state_nl->nodes.nelem == 0
- || !preg->newline_anchor))
- {
- if (start != 0 && start + range != 0)
- return REG_NOMATCH;
- start = range = 0;
- }
-
- /* We must check the longest matching, if nmatch > 0. */
- fl_longest_match = (nmatch != 0 || dfa->nbackref);
-
- err = re_string_allocate (&mctx.input, string, length, dfa->nodes_len + 1,
- preg->translate, preg->syntax & RE_ICASE, dfa);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- mctx.input.stop = stop;
- mctx.input.raw_stop = stop;
- mctx.input.newline_anchor = preg->newline_anchor;
-
- err = match_ctx_init (&mctx, eflags, dfa->nbackref * 2);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
-
- /* We will log all the DFA states through which the dfa pass,
- if nmatch > 1, or this dfa has "multibyte node", which is a
- back-reference or a node which can accept multibyte character or
- multi character collating element. */
- if (nmatch > 1 || dfa->has_mb_node)
- {
- /* Avoid overflow. */
- if (BE (SIZE_MAX / sizeof (re_dfastate_t *) <= (size_t)mctx.input.bufs_len, 0))
- {
- err = REG_ESPACE;
- goto free_return;
- }
-
- mctx.state_log = re_malloc (re_dfastate_t *, mctx.input.bufs_len + 1);
- if (BE (mctx.state_log == NULL, 0))
- {
- err = REG_ESPACE;
- goto free_return;
- }
- }
- else
- mctx.state_log = NULL;
-
- match_first = start;
- mctx.input.tip_context = (eflags & REG_NOTBOL) ? CONTEXT_BEGBUF
- : CONTEXT_NEWLINE | CONTEXT_BEGBUF;
-
- /* Check incrementally whether of not the input string match. */
- incr = (range < 0) ? -1 : 1;
- left_lim = (range < 0) ? start + range : start;
- right_lim = (range < 0) ? start : start + range;
- sb = dfa->mb_cur_max == 1;
- match_kind =
- (fastmap
- ? ((sb || !(preg->syntax & RE_ICASE || t) ? 4 : 0)
- | (range >= 0 ? 2 : 0)
- | (t != NULL ? 1 : 0))
- : 8);
-
- for (;; match_first += incr)
- {
- err = REG_NOMATCH;
- if (match_first < left_lim || right_lim < match_first)
- goto free_return;
-
- /* Advance as rapidly as possible through the string, until we
- find a plausible place to start matching. This may be done
- with varying efficiency, so there are various possibilities:
- only the most common of them are specialized, in order to
- save on code size. We use a switch statement for speed. */
- switch (match_kind)
- {
- case 8:
- /* No fastmap. */
- break;
-
- case 7:
- /* Fastmap with single-byte translation, match forward. */
- while (BE (match_first < right_lim, 1)
- && !fastmap[t[(unsigned char) string[match_first]]])
- ++match_first;
- goto forward_match_found_start_or_reached_end;
-
- case 6:
- /* Fastmap without translation, match forward. */
- while (BE (match_first < right_lim, 1)
- && !fastmap[(unsigned char) string[match_first]])
- ++match_first;
-
- forward_match_found_start_or_reached_end:
- if (BE (match_first == right_lim, 0))
- {
- ch = match_first >= length
- ? 0 : (unsigned char) string[match_first];
- if (!fastmap[t ? t[ch] : ch])
- goto free_return;
- }
- break;
-
- case 4:
- case 5:
- /* Fastmap without multi-byte translation, match backwards. */
- while (match_first >= left_lim)
- {
- ch = match_first >= length
- ? 0 : (unsigned char) string[match_first];
- if (fastmap[t ? t[ch] : ch])
- break;
- --match_first;
- }
- if (match_first < left_lim)
- goto free_return;
- break;
-
- default:
- /* In this case, we can't determine easily the current byte,
- since it might be a component byte of a multibyte
- character. Then we use the constructed buffer instead. */
- for (;;)
- {
- /* If MATCH_FIRST is out of the valid range, reconstruct the
- buffers. */
- unsigned int offset = match_first - mctx.input.raw_mbs_idx;
- if (BE (offset >= (unsigned int) mctx.input.valid_raw_len, 0))
- {
- err = re_string_reconstruct (&mctx.input, match_first,
- eflags);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
-
- offset = match_first - mctx.input.raw_mbs_idx;
- }
- /* If MATCH_FIRST is out of the buffer, leave it as '\0'.
- Note that MATCH_FIRST must not be smaller than 0. */
- ch = (match_first >= length
- ? 0 : re_string_byte_at (&mctx.input, offset));
- if (fastmap[ch])
- break;
- match_first += incr;
- if (match_first < left_lim || match_first > right_lim)
- {
- err = REG_NOMATCH;
- goto free_return;
- }
- }
- break;
- }
-
- /* Reconstruct the buffers so that the matcher can assume that
- the matching starts from the beginning of the buffer. */
- err = re_string_reconstruct (&mctx.input, match_first, eflags);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
-
-#ifdef RE_ENABLE_I18N
- /* Don't consider this char as a possible match start if it part,
- yet isn't the head, of a multibyte character. */
- if (!sb && !re_string_first_byte (&mctx.input, 0))
- continue;
-#endif
-
- /* It seems to be appropriate one, then use the matcher. */
- /* We assume that the matching starts from 0. */
- mctx.state_log_top = mctx.nbkref_ents = mctx.max_mb_elem_len = 0;
- match_last = check_matching (&mctx, fl_longest_match,
- range >= 0 ? &match_first : NULL);
- if (match_last != -1)
- {
- if (BE (match_last == -2, 0))
- {
- err = REG_ESPACE;
- goto free_return;
- }
- else
- {
- mctx.match_last = match_last;
- if ((!preg->no_sub && nmatch > 1) || dfa->nbackref)
- {
- re_dfastate_t *pstate = mctx.state_log[match_last];
- mctx.last_node = check_halt_state_context (&mctx, pstate,
- match_last);
- }
- if ((!preg->no_sub && nmatch > 1 && dfa->has_plural_match)
- || dfa->nbackref)
- {
- err = prune_impossible_nodes (&mctx);
- if (err == REG_NOERROR)
- break;
- if (BE (err != REG_NOMATCH, 0))
- goto free_return;
- match_last = -1;
- }
- else
- break; /* We found a match. */
- }
- }
-
- match_ctx_clean (&mctx);
- }
-
-#ifdef DEBUG
- assert (match_last != -1);
- assert (err == REG_NOERROR);
-#endif
-
- /* Set pmatch[] if we need. */
- if (nmatch > 0)
- {
- unsigned int reg_idx;
-
- /* Initialize registers. */
- for (reg_idx = 1; reg_idx < nmatch; ++reg_idx)
- pmatch[reg_idx].rm_so = pmatch[reg_idx].rm_eo = -1;
-
- /* Set the points where matching start/end. */
- pmatch[0].rm_so = 0;
- pmatch[0].rm_eo = mctx.match_last;
-
- if (!preg->no_sub && nmatch > 1)
- {
- err = set_regs (preg, &mctx, nmatch, pmatch,
- dfa->has_plural_match && dfa->nbackref > 0);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- }
-
- /* At last, add the offset to the each registers, since we slided
- the buffers so that we could assume that the matching starts
- from 0. */
- for (reg_idx = 0; reg_idx < nmatch; ++reg_idx)
- if (pmatch[reg_idx].rm_so != -1)
- {
-#ifdef RE_ENABLE_I18N
- if (BE (mctx.input.offsets_needed != 0, 0))
- {
- pmatch[reg_idx].rm_so =
- (pmatch[reg_idx].rm_so == mctx.input.valid_len
- ? mctx.input.valid_raw_len
- : mctx.input.offsets[pmatch[reg_idx].rm_so]);
- pmatch[reg_idx].rm_eo =
- (pmatch[reg_idx].rm_eo == mctx.input.valid_len
- ? mctx.input.valid_raw_len
- : mctx.input.offsets[pmatch[reg_idx].rm_eo]);
- }
-#else
- assert (mctx.input.offsets_needed == 0);
-#endif
- pmatch[reg_idx].rm_so += match_first;
- pmatch[reg_idx].rm_eo += match_first;
- }
- for (reg_idx = 0; reg_idx < extra_nmatch; ++reg_idx)
- {
- pmatch[nmatch + reg_idx].rm_so = -1;
- pmatch[nmatch + reg_idx].rm_eo = -1;
- }
-
- if (dfa->subexp_map)
- for (reg_idx = 0; reg_idx + 1 < nmatch; reg_idx++)
- if (dfa->subexp_map[reg_idx] != (int)reg_idx)
- {
- pmatch[reg_idx + 1].rm_so
- = pmatch[dfa->subexp_map[reg_idx] + 1].rm_so;
- pmatch[reg_idx + 1].rm_eo
- = pmatch[dfa->subexp_map[reg_idx] + 1].rm_eo;
- }
- }
-
- free_return:
- re_free (mctx.state_log);
- if (dfa->nbackref)
- match_ctx_free (&mctx);
- re_string_destruct (&mctx.input);
- return err;
-}
-
-static reg_errcode_t
-prune_impossible_nodes (re_match_context_t *mctx)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int halt_node, match_last;
- reg_errcode_t ret;
- re_dfastate_t **sifted_states;
- re_dfastate_t **lim_states = NULL;
- re_sift_context_t sctx;
-#ifdef DEBUG
- assert (mctx->state_log != NULL);
-#endif
- match_last = mctx->match_last;
- halt_node = mctx->last_node;
-
- /* Avoid overflow. */
- if (BE (SIZE_MAX / sizeof (re_dfastate_t *) <= (size_t)match_last, 0))
- return REG_ESPACE;
-
- sifted_states = re_malloc (re_dfastate_t *, match_last + 1);
- if (BE (sifted_states == NULL, 0))
- {
- ret = REG_ESPACE;
- goto free_return;
- }
- if (dfa->nbackref)
- {
- lim_states = re_malloc (re_dfastate_t *, match_last + 1);
- if (BE (lim_states == NULL, 0))
- {
- ret = REG_ESPACE;
- goto free_return;
- }
- while (1)
- {
- memset (lim_states, '\0',
- sizeof (re_dfastate_t *) * (match_last + 1));
- sift_ctx_init (&sctx, sifted_states, lim_states, halt_node,
- match_last);
- ret = sift_states_backward (mctx, &sctx);
- re_node_set_free (&sctx.limits);
- if (BE (ret != REG_NOERROR, 0))
- goto free_return;
- if (sifted_states[0] != NULL || lim_states[0] != NULL)
- break;
- do
- {
- --match_last;
- if (match_last < 0)
- {
- ret = REG_NOMATCH;
- goto free_return;
- }
- } while (mctx->state_log[match_last] == NULL
- || !mctx->state_log[match_last]->halt);
- halt_node = check_halt_state_context (mctx,
- mctx->state_log[match_last],
- match_last);
- }
- ret = merge_state_array (dfa, sifted_states, lim_states,
- match_last + 1);
- re_free (lim_states);
- lim_states = NULL;
- if (BE (ret != REG_NOERROR, 0))
- goto free_return;
- }
- else
- {
- sift_ctx_init (&sctx, sifted_states, lim_states, halt_node, match_last);
- ret = sift_states_backward (mctx, &sctx);
- re_node_set_free (&sctx.limits);
- if (BE (ret != REG_NOERROR, 0))
- goto free_return;
- if (sifted_states[0] == NULL)
- {
- ret = REG_NOMATCH;
- goto free_return;
- }
- }
- re_free (mctx->state_log);
- mctx->state_log = sifted_states;
- sifted_states = NULL;
- mctx->last_node = halt_node;
- mctx->match_last = match_last;
- ret = REG_NOERROR;
- free_return:
- re_free (sifted_states);
- re_free (lim_states);
- return ret;
-}
-
-/* Acquire an initial state and return it.
- We must select appropriate initial state depending on the context,
- since initial states may have constraints like "\<", "^", etc.. */
-
-static inline re_dfastate_t *
-__attribute ((always_inline)) internal_function
-acquire_init_state_context (reg_errcode_t *err, const re_match_context_t *mctx,
- int idx)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- if (dfa->init_state->has_constraint)
- {
- unsigned int context;
- context = re_string_context_at (&mctx->input, idx - 1, mctx->eflags);
- if (IS_WORD_CONTEXT (context))
- return dfa->init_state_word;
- else if (IS_ORDINARY_CONTEXT (context))
- return dfa->init_state;
- else if (IS_BEGBUF_CONTEXT (context) && IS_NEWLINE_CONTEXT (context))
- return dfa->init_state_begbuf;
- else if (IS_NEWLINE_CONTEXT (context))
- return dfa->init_state_nl;
- else if (IS_BEGBUF_CONTEXT (context))
- {
- /* It is relatively rare case, then calculate on demand. */
- return re_acquire_state_context (err, dfa,
- dfa->init_state->entrance_nodes,
- context);
- }
- else
- /* Must not happen? */
- return dfa->init_state;
- }
- else
- return dfa->init_state;
-}
-
-/* Check whether the regular expression match input string INPUT or not,
- and return the index where the matching end, return -1 if not match,
- or return -2 in case of an error.
- FL_LONGEST_MATCH means we want the POSIX longest matching.
- If P_MATCH_FIRST is not NULL, and the match fails, it is set to the
- next place where we may want to try matching.
- Note that the matcher assume that the maching starts from the current
- index of the buffer. */
-
-static int
-internal_function
-check_matching (re_match_context_t *mctx, int fl_longest_match,
- int *p_match_first)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- reg_errcode_t err;
- int match = 0;
- int match_last = -1;
- int cur_str_idx = re_string_cur_idx (&mctx->input);
- re_dfastate_t *cur_state;
- int at_init_state = p_match_first != NULL;
- int next_start_idx = cur_str_idx;
-
- err = REG_NOERROR;
- cur_state = acquire_init_state_context (&err, mctx, cur_str_idx);
- /* An initial state must not be NULL (invalid). */
- if (BE (cur_state == NULL, 0))
- {
- assert (err == REG_ESPACE);
- return -2;
- }
-
- if (mctx->state_log != NULL)
- {
- mctx->state_log[cur_str_idx] = cur_state;
-
- /* Check OP_OPEN_SUBEXP in the initial state in case that we use them
- later. E.g. Processing back references. */
- if (BE (dfa->nbackref, 0))
- {
- at_init_state = 0;
- err = check_subexp_matching_top (mctx, &cur_state->nodes, 0);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- if (cur_state->has_backref)
- {
- err = transit_state_bkref (mctx, &cur_state->nodes);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- }
- }
-
- /* If the RE accepts NULL string. */
- if (BE (cur_state->halt, 0))
- {
- if (!cur_state->has_constraint
- || check_halt_state_context (mctx, cur_state, cur_str_idx))
- {
- if (!fl_longest_match)
- return cur_str_idx;
- else
- {
- match_last = cur_str_idx;
- match = 1;
- }
- }
- }
-
- while (!re_string_eoi (&mctx->input))
- {
- re_dfastate_t *old_state = cur_state;
- int next_char_idx = re_string_cur_idx (&mctx->input) + 1;
-
- if (BE (next_char_idx >= mctx->input.bufs_len, 0)
- || (BE (next_char_idx >= mctx->input.valid_len, 0)
- && mctx->input.valid_len < mctx->input.len))
- {
- err = extend_buffers (mctx);
- if (BE (err != REG_NOERROR, 0))
- {
- assert (err == REG_ESPACE);
- return -2;
- }
- }
-
- cur_state = transit_state (&err, mctx, cur_state);
- if (mctx->state_log != NULL)
- cur_state = merge_state_with_log (&err, mctx, cur_state);
-
- if (cur_state == NULL)
- {
- /* Reached the invalid state or an error. Try to recover a valid
- state using the state log, if available and if we have not
- already found a valid (even if not the longest) match. */
- if (BE (err != REG_NOERROR, 0))
- return -2;
-
- if (mctx->state_log == NULL
- || (match && !fl_longest_match)
- || (cur_state = find_recover_state (&err, mctx)) == NULL)
- break;
- }
-
- if (BE (at_init_state, 0))
- {
- if (old_state == cur_state)
- next_start_idx = next_char_idx;
- else
- at_init_state = 0;
- }
-
- if (cur_state->halt)
- {
- /* Reached a halt state.
- Check the halt state can satisfy the current context. */
- if (!cur_state->has_constraint
- || check_halt_state_context (mctx, cur_state,
- re_string_cur_idx (&mctx->input)))
- {
- /* We found an appropriate halt state. */
- match_last = re_string_cur_idx (&mctx->input);
- match = 1;
-
- /* We found a match, do not modify match_first below. */
- p_match_first = NULL;
- if (!fl_longest_match)
- break;
- }
- }
- }
-
- if (p_match_first)
- *p_match_first += next_start_idx;
-
- return match_last;
-}
-
-/* Check NODE match the current context. */
-
-static int
-internal_function
-check_halt_node_context (const re_dfa_t *dfa, int node, unsigned int context)
-{
- re_token_type_t type = dfa->nodes[node].type;
- unsigned int constraint = dfa->nodes[node].constraint;
- if (type != END_OF_RE)
- return 0;
- if (!constraint)
- return 1;
- if (NOT_SATISFY_NEXT_CONSTRAINT (constraint, context))
- return 0;
- return 1;
-}
-
-/* Check the halt state STATE match the current context.
- Return 0 if not match, if the node, STATE has, is a halt node and
- match the context, return the node. */
-
-static int
-internal_function
-check_halt_state_context (const re_match_context_t *mctx,
- const re_dfastate_t *state, int idx)
-{
- int i;
- unsigned int context;
-#ifdef DEBUG
- assert (state->halt);
-#endif
- context = re_string_context_at (&mctx->input, idx, mctx->eflags);
- for (i = 0; i < state->nodes.nelem; ++i)
- if (check_halt_node_context (mctx->dfa, state->nodes.elems[i], context))
- return state->nodes.elems[i];
- return 0;
-}
-
-/* Compute the next node to which "NFA" transit from NODE("NFA" is a NFA
- corresponding to the DFA).
- Return the destination node, and update EPS_VIA_NODES, return -1 in case
- of errors. */
-
-static int
-internal_function
-proceed_next_node (const re_match_context_t *mctx, int nregs, regmatch_t *regs,
- int *pidx, int node, re_node_set *eps_via_nodes,
- struct re_fail_stack_t *fs)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int i, err;
- if (IS_EPSILON_NODE (dfa->nodes[node].type))
- {
- re_node_set *cur_nodes = &mctx->state_log[*pidx]->nodes;
- re_node_set *edests = &dfa->edests[node];
- int dest_node;
- err = re_node_set_insert (eps_via_nodes, node);
- if (BE (err < 0, 0))
- return -2;
- /* Pick up a valid destination, or return -1 if none is found. */
- for (dest_node = -1, i = 0; i < edests->nelem; ++i)
- {
- int candidate = edests->elems[i];
- if (!re_node_set_contains (cur_nodes, candidate))
- continue;
- if (dest_node == -1)
- dest_node = candidate;
-
- else
- {
- /* In order to avoid infinite loop like "(a*)*", return the second
- epsilon-transition if the first was already considered. */
- if (re_node_set_contains (eps_via_nodes, dest_node))
- return candidate;
-
- /* Otherwise, push the second epsilon-transition on the fail stack. */
- else if (fs != NULL
- && push_fail_stack (fs, *pidx, candidate, nregs, regs,
- eps_via_nodes))
- return -2;
-
- /* We know we are going to exit. */
- break;
- }
- }
- return dest_node;
- }
- else
- {
- int naccepted = 0;
- re_token_type_t type = dfa->nodes[node].type;
-
-#ifdef RE_ENABLE_I18N
- if (dfa->nodes[node].accept_mb)
- naccepted = check_node_accept_bytes (dfa, node, &mctx->input, *pidx);
- else
-#endif /* RE_ENABLE_I18N */
- if (type == OP_BACK_REF)
- {
- int subexp_idx = dfa->nodes[node].opr.idx + 1;
- naccepted = regs[subexp_idx].rm_eo - regs[subexp_idx].rm_so;
- if (fs != NULL)
- {
- if (regs[subexp_idx].rm_so == -1 || regs[subexp_idx].rm_eo == -1)
- return -1;
- else if (naccepted)
- {
- char *buf = (char *) re_string_get_buffer (&mctx->input);
- if (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx,
- naccepted) != 0)
- return -1;
- }
- }
-
- if (naccepted == 0)
- {
- int dest_node;
- err = re_node_set_insert (eps_via_nodes, node);
- if (BE (err < 0, 0))
- return -2;
- dest_node = dfa->edests[node].elems[0];
- if (re_node_set_contains (&mctx->state_log[*pidx]->nodes,
- dest_node))
- return dest_node;
- }
- }
-
- if (naccepted != 0
- || check_node_accept (mctx, dfa->nodes + node, *pidx))
- {
- int dest_node = dfa->nexts[node];
- *pidx = (naccepted == 0) ? *pidx + 1 : *pidx + naccepted;
- if (fs && (*pidx > mctx->match_last || mctx->state_log[*pidx] == NULL
- || !re_node_set_contains (&mctx->state_log[*pidx]->nodes,
- dest_node)))
- return -1;
- re_node_set_empty (eps_via_nodes);
- return dest_node;
- }
- }
- return -1;
-}
-
-static reg_errcode_t
-internal_function
-push_fail_stack (struct re_fail_stack_t *fs, int str_idx, int dest_node,
- int nregs, regmatch_t *regs, re_node_set *eps_via_nodes)
-{
- reg_errcode_t err;
- int num = fs->num++;
- if (fs->num == fs->alloc)
- {
- struct re_fail_stack_ent_t *new_array;
- new_array = realloc (fs->stack, (sizeof (struct re_fail_stack_ent_t)
- * fs->alloc * 2));
- if (new_array == NULL)
- return REG_ESPACE;
- fs->alloc *= 2;
- fs->stack = new_array;
- }
- fs->stack[num].idx = str_idx;
- fs->stack[num].node = dest_node;
- fs->stack[num].regs = re_malloc (regmatch_t, nregs);
- if (fs->stack[num].regs == NULL)
- return REG_ESPACE;
- memcpy (fs->stack[num].regs, regs, sizeof (regmatch_t) * nregs);
- err = re_node_set_init_copy (&fs->stack[num].eps_via_nodes, eps_via_nodes);
- return err;
-}
-
-static int
-internal_function
-pop_fail_stack (struct re_fail_stack_t *fs, int *pidx, int nregs,
- regmatch_t *regs, re_node_set *eps_via_nodes)
-{
- int num = --fs->num;
- assert (num >= 0);
- *pidx = fs->stack[num].idx;
- memcpy (regs, fs->stack[num].regs, sizeof (regmatch_t) * nregs);
- re_node_set_free (eps_via_nodes);
- re_free (fs->stack[num].regs);
- *eps_via_nodes = fs->stack[num].eps_via_nodes;
- return fs->stack[num].node;
-}
-
-/* Set the positions where the subexpressions are starts/ends to registers
- PMATCH.
- Note: We assume that pmatch[0] is already set, and
- pmatch[i].rm_so == pmatch[i].rm_eo == -1 for 0 < i < nmatch. */
-
-static reg_errcode_t
-internal_function
-set_regs (const regex_t *preg, const re_match_context_t *mctx, size_t nmatch,
- regmatch_t *pmatch, int fl_backtrack)
-{
- const re_dfa_t *dfa = (const re_dfa_t *) preg->buffer;
- int idx, cur_node;
- re_node_set eps_via_nodes;
- struct re_fail_stack_t *fs;
- struct re_fail_stack_t fs_body = { 0, 2, NULL };
- regmatch_t *prev_idx_match;
- int prev_idx_match_malloced = 0;
-
-#ifdef DEBUG
- assert (nmatch > 1);
- assert (mctx->state_log != NULL);
-#endif
- if (fl_backtrack)
- {
- fs = &fs_body;
- fs->stack = re_malloc (struct re_fail_stack_ent_t, fs->alloc);
- if (fs->stack == NULL)
- return REG_ESPACE;
- }
- else
- fs = NULL;
-
- cur_node = dfa->init_node;
- re_node_set_init_empty (&eps_via_nodes);
-
-#ifdef HAVE_ALLOCA
- if (__libc_use_alloca (nmatch * sizeof (regmatch_t)))
- prev_idx_match = (regmatch_t *) alloca (nmatch * sizeof (regmatch_t));
- else
-#endif
- {
- prev_idx_match = re_malloc (regmatch_t, nmatch);
- if (prev_idx_match == NULL)
- {
- free_fail_stack_return (fs);
- return REG_ESPACE;
- }
- prev_idx_match_malloced = 1;
- }
- memcpy (prev_idx_match, pmatch, sizeof (regmatch_t) * nmatch);
-
- for (idx = pmatch[0].rm_so; idx <= pmatch[0].rm_eo ;)
- {
- update_regs (dfa, pmatch, prev_idx_match, cur_node, idx, nmatch);
-
- if (idx == pmatch[0].rm_eo && cur_node == mctx->last_node)
- {
- unsigned int reg_idx;
- if (fs)
- {
- for (reg_idx = 0; reg_idx < nmatch; ++reg_idx)
- if (pmatch[reg_idx].rm_so > -1 && pmatch[reg_idx].rm_eo == -1)
- break;
- if (reg_idx == nmatch)
- {
- re_node_set_free (&eps_via_nodes);
- if (prev_idx_match_malloced)
- re_free (prev_idx_match);
- return free_fail_stack_return (fs);
- }
- cur_node = pop_fail_stack (fs, &idx, nmatch, pmatch,
- &eps_via_nodes);
- }
- else
- {
- re_node_set_free (&eps_via_nodes);
- if (prev_idx_match_malloced)
- re_free (prev_idx_match);
- return REG_NOERROR;
- }
- }
-
- /* Proceed to next node. */
- cur_node = proceed_next_node (mctx, nmatch, pmatch, &idx, cur_node,
- &eps_via_nodes, fs);
-
- if (BE (cur_node < 0, 0))
- {
- if (BE (cur_node == -2, 0))
- {
- re_node_set_free (&eps_via_nodes);
- if (prev_idx_match_malloced)
- re_free (prev_idx_match);
- free_fail_stack_return (fs);
- return REG_ESPACE;
- }
- if (fs)
- cur_node = pop_fail_stack (fs, &idx, nmatch, pmatch,
- &eps_via_nodes);
- else
- {
- re_node_set_free (&eps_via_nodes);
- if (prev_idx_match_malloced)
- re_free (prev_idx_match);
- return REG_NOMATCH;
- }
- }
- }
- re_node_set_free (&eps_via_nodes);
- if (prev_idx_match_malloced)
- re_free (prev_idx_match);
- return free_fail_stack_return (fs);
-}
-
-static reg_errcode_t
-internal_function
-free_fail_stack_return (struct re_fail_stack_t *fs)
-{
- if (fs)
- {
- int fs_idx;
- for (fs_idx = 0; fs_idx < fs->num; ++fs_idx)
- {
- re_node_set_free (&fs->stack[fs_idx].eps_via_nodes);
- re_free (fs->stack[fs_idx].regs);
- }
- re_free (fs->stack);
- }
- return REG_NOERROR;
-}
-
-static void
-internal_function
-update_regs (const re_dfa_t *dfa, regmatch_t *pmatch,
- regmatch_t *prev_idx_match, int cur_node, int cur_idx, int nmatch)
-{
- int type = dfa->nodes[cur_node].type;
- if (type == OP_OPEN_SUBEXP)
- {
- int reg_num = dfa->nodes[cur_node].opr.idx + 1;
-
- /* We are at the first node of this sub expression. */
- if (reg_num < nmatch)
- {
- pmatch[reg_num].rm_so = cur_idx;
- pmatch[reg_num].rm_eo = -1;
- }
- }
- else if (type == OP_CLOSE_SUBEXP)
- {
- int reg_num = dfa->nodes[cur_node].opr.idx + 1;
- if (reg_num < nmatch)
- {
- /* We are at the last node of this sub expression. */
- if (pmatch[reg_num].rm_so < cur_idx)
- {
- pmatch[reg_num].rm_eo = cur_idx;
- /* This is a non-empty match or we are not inside an optional
- subexpression. Accept this right away. */
- memcpy (prev_idx_match, pmatch, sizeof (regmatch_t) * nmatch);
- }
- else
- {
- if (dfa->nodes[cur_node].opt_subexp
- && prev_idx_match[reg_num].rm_so != -1)
- /* We transited through an empty match for an optional
- subexpression, like (a?)*, and this is not the subexp's
- first match. Copy back the old content of the registers
- so that matches of an inner subexpression are undone as
- well, like in ((a?))*. */
- memcpy (pmatch, prev_idx_match, sizeof (regmatch_t) * nmatch);
- else
- /* We completed a subexpression, but it may be part of
- an optional one, so do not update PREV_IDX_MATCH. */
- pmatch[reg_num].rm_eo = cur_idx;
- }
- }
- }
-}
-
-/* This function checks the STATE_LOG from the SCTX->last_str_idx to 0
- and sift the nodes in each states according to the following rules.
- Updated state_log will be wrote to STATE_LOG.
-
- Rules: We throw away the Node `a' in the STATE_LOG[STR_IDX] if...
- 1. When STR_IDX == MATCH_LAST(the last index in the state_log):
- If `a' isn't the LAST_NODE and `a' can't epsilon transit to
- the LAST_NODE, we throw away the node `a'.
- 2. When 0 <= STR_IDX < MATCH_LAST and `a' accepts
- string `s' and transit to `b':
- i. If 'b' isn't in the STATE_LOG[STR_IDX+strlen('s')], we throw
- away the node `a'.
- ii. If 'b' is in the STATE_LOG[STR_IDX+strlen('s')] but 'b' is
- thrown away, we throw away the node `a'.
- 3. When 0 <= STR_IDX < MATCH_LAST and 'a' epsilon transit to 'b':
- i. If 'b' isn't in the STATE_LOG[STR_IDX], we throw away the
- node `a'.
- ii. If 'b' is in the STATE_LOG[STR_IDX] but 'b' is thrown away,
- we throw away the node `a'. */
-
-#define STATE_NODE_CONTAINS(state,node) \
- ((state) != NULL && re_node_set_contains (&(state)->nodes, node))
-
-static reg_errcode_t
-internal_function
-sift_states_backward (const re_match_context_t *mctx, re_sift_context_t *sctx)
-{
- reg_errcode_t err;
- int null_cnt = 0;
- int str_idx = sctx->last_str_idx;
- re_node_set cur_dest;
-
-#ifdef DEBUG
- assert (mctx->state_log != NULL && mctx->state_log[str_idx] != NULL);
-#endif
-
- /* Build sifted state_log[str_idx]. It has the nodes which can epsilon
- transit to the last_node and the last_node itself. */
- err = re_node_set_init_1 (&cur_dest, sctx->last_node);
- if (BE (err != REG_NOERROR, 0))
- return err;
- err = update_cur_sifted_state (mctx, sctx, str_idx, &cur_dest);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
-
- /* Then check each states in the state_log. */
- while (str_idx > 0)
- {
- /* Update counters. */
- null_cnt = (sctx->sifted_states[str_idx] == NULL) ? null_cnt + 1 : 0;
- if (null_cnt > mctx->max_mb_elem_len)
- {
- memset (sctx->sifted_states, '\0',
- sizeof (re_dfastate_t *) * str_idx);
- re_node_set_free (&cur_dest);
- return REG_NOERROR;
- }
- re_node_set_empty (&cur_dest);
- --str_idx;
-
- if (mctx->state_log[str_idx])
- {
- err = build_sifted_states (mctx, sctx, str_idx, &cur_dest);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- }
-
- /* Add all the nodes which satisfy the following conditions:
- - It can epsilon transit to a node in CUR_DEST.
- - It is in CUR_SRC.
- And update state_log. */
- err = update_cur_sifted_state (mctx, sctx, str_idx, &cur_dest);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- }
- err = REG_NOERROR;
- free_return:
- re_node_set_free (&cur_dest);
- return err;
-}
-
-static reg_errcode_t
-internal_function
-build_sifted_states (const re_match_context_t *mctx, re_sift_context_t *sctx,
- int str_idx, re_node_set *cur_dest)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- const re_node_set *cur_src = &mctx->state_log[str_idx]->non_eps_nodes;
- int i;
-
- /* Then build the next sifted state.
- We build the next sifted state on `cur_dest', and update
- `sifted_states[str_idx]' with `cur_dest'.
- Note:
- `cur_dest' is the sifted state from `state_log[str_idx + 1]'.
- `cur_src' points the node_set of the old `state_log[str_idx]'
- (with the epsilon nodes pre-filtered out). */
- for (i = 0; i < cur_src->nelem; i++)
- {
- int prev_node = cur_src->elems[i];
- int naccepted = 0;
- int ret;
-
-#ifdef DEBUG
- re_token_type_t type = dfa->nodes[prev_node].type;
- assert (!IS_EPSILON_NODE (type));
-#endif
-#ifdef RE_ENABLE_I18N
- /* If the node may accept `multi byte'. */
- if (dfa->nodes[prev_node].accept_mb)
- naccepted = sift_states_iter_mb (mctx, sctx, prev_node,
- str_idx, sctx->last_str_idx);
-#endif /* RE_ENABLE_I18N */
-
- /* We don't check backreferences here.
- See update_cur_sifted_state(). */
- if (!naccepted
- && check_node_accept (mctx, dfa->nodes + prev_node, str_idx)
- && STATE_NODE_CONTAINS (sctx->sifted_states[str_idx + 1],
- dfa->nexts[prev_node]))
- naccepted = 1;
-
- if (naccepted == 0)
- continue;
-
- if (sctx->limits.nelem)
- {
- int to_idx = str_idx + naccepted;
- if (check_dst_limits (mctx, &sctx->limits,
- dfa->nexts[prev_node], to_idx,
- prev_node, str_idx))
- continue;
- }
- ret = re_node_set_insert (cur_dest, prev_node);
- if (BE (ret == -1, 0))
- return REG_ESPACE;
- }
-
- return REG_NOERROR;
-}
-
-/* Helper functions. */
-
-static reg_errcode_t
-internal_function
-clean_state_log_if_needed (re_match_context_t *mctx, int next_state_log_idx)
-{
- int top = mctx->state_log_top;
-
- if (next_state_log_idx >= mctx->input.bufs_len
- || (next_state_log_idx >= mctx->input.valid_len
- && mctx->input.valid_len < mctx->input.len))
- {
- reg_errcode_t err;
- err = extend_buffers (mctx);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
-
- if (top < next_state_log_idx)
- {
- memset (mctx->state_log + top + 1, '\0',
- sizeof (re_dfastate_t *) * (next_state_log_idx - top));
- mctx->state_log_top = next_state_log_idx;
- }
- return REG_NOERROR;
-}
-
-static reg_errcode_t
-internal_function
-merge_state_array (const re_dfa_t *dfa, re_dfastate_t **dst,
- re_dfastate_t **src, int num)
-{
- int st_idx;
- reg_errcode_t err;
- for (st_idx = 0; st_idx < num; ++st_idx)
- {
- if (dst[st_idx] == NULL)
- dst[st_idx] = src[st_idx];
- else if (src[st_idx] != NULL)
- {
- re_node_set merged_set;
- err = re_node_set_init_union (&merged_set, &dst[st_idx]->nodes,
- &src[st_idx]->nodes);
- if (BE (err != REG_NOERROR, 0))
- return err;
- dst[st_idx] = re_acquire_state (&err, dfa, &merged_set);
- re_node_set_free (&merged_set);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- }
- return REG_NOERROR;
-}
-
-static reg_errcode_t
-internal_function
-update_cur_sifted_state (const re_match_context_t *mctx,
- re_sift_context_t *sctx, int str_idx,
- re_node_set *dest_nodes)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- reg_errcode_t err = REG_NOERROR;
- const re_node_set *candidates;
- candidates = ((mctx->state_log[str_idx] == NULL) ? NULL
- : &mctx->state_log[str_idx]->nodes);
-
- if (dest_nodes->nelem == 0)
- sctx->sifted_states[str_idx] = NULL;
- else
- {
- if (candidates)
- {
- /* At first, add the nodes which can epsilon transit to a node in
- DEST_NODE. */
- err = add_epsilon_src_nodes (dfa, dest_nodes, candidates);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- /* Then, check the limitations in the current sift_context. */
- if (sctx->limits.nelem)
- {
- err = check_subexp_limits (dfa, dest_nodes, candidates, &sctx->limits,
- mctx->bkref_ents, str_idx);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- }
-
- sctx->sifted_states[str_idx] = re_acquire_state (&err, dfa, dest_nodes);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
-
- if (candidates && mctx->state_log[str_idx]->has_backref)
- {
- err = sift_states_bkref (mctx, sctx, str_idx, candidates);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- return REG_NOERROR;
-}
-
-static reg_errcode_t
-internal_function
-add_epsilon_src_nodes (const re_dfa_t *dfa, re_node_set *dest_nodes,
- const re_node_set *candidates)
-{
- reg_errcode_t err = REG_NOERROR;
- int i;
-
- re_dfastate_t *state = re_acquire_state (&err, dfa, dest_nodes);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- if (!state->inveclosure.alloc)
- {
- err = re_node_set_alloc (&state->inveclosure, dest_nodes->nelem);
- if (BE (err != REG_NOERROR, 0))
- return REG_ESPACE;
- for (i = 0; i < dest_nodes->nelem; i++)
- {
- err = re_node_set_merge (&state->inveclosure,
- dfa->inveclosures + dest_nodes->elems[i]);
- if (BE (err != REG_NOERROR, 0))
- return REG_ESPACE;
- }
- }
- return re_node_set_add_intersect (dest_nodes, candidates,
- &state->inveclosure);
-}
-
-static reg_errcode_t
-internal_function
-sub_epsilon_src_nodes (const re_dfa_t *dfa, int node, re_node_set *dest_nodes,
- const re_node_set *candidates)
-{
- int ecl_idx;
- reg_errcode_t err;
- re_node_set *inv_eclosure = dfa->inveclosures + node;
- re_node_set except_nodes;
- re_node_set_init_empty (&except_nodes);
- for (ecl_idx = 0; ecl_idx < inv_eclosure->nelem; ++ecl_idx)
- {
- int cur_node = inv_eclosure->elems[ecl_idx];
- if (cur_node == node)
- continue;
- if (IS_EPSILON_NODE (dfa->nodes[cur_node].type))
- {
- int edst1 = dfa->edests[cur_node].elems[0];
- int edst2 = ((dfa->edests[cur_node].nelem > 1)
- ? dfa->edests[cur_node].elems[1] : -1);
- if ((!re_node_set_contains (inv_eclosure, edst1)
- && re_node_set_contains (dest_nodes, edst1))
- || (edst2 > 0
- && !re_node_set_contains (inv_eclosure, edst2)
- && re_node_set_contains (dest_nodes, edst2)))
- {
- err = re_node_set_add_intersect (&except_nodes, candidates,
- dfa->inveclosures + cur_node);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&except_nodes);
- return err;
- }
- }
- }
- }
- for (ecl_idx = 0; ecl_idx < inv_eclosure->nelem; ++ecl_idx)
- {
- int cur_node = inv_eclosure->elems[ecl_idx];
- if (!re_node_set_contains (&except_nodes, cur_node))
- {
- int idx = re_node_set_contains (dest_nodes, cur_node) - 1;
- re_node_set_remove_at (dest_nodes, idx);
- }
- }
- re_node_set_free (&except_nodes);
- return REG_NOERROR;
-}
-
-static int
-internal_function
-check_dst_limits (const re_match_context_t *mctx, re_node_set *limits,
- int dst_node, int dst_idx, int src_node, int src_idx)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int lim_idx, src_pos, dst_pos;
-
- int dst_bkref_idx = search_cur_bkref_entry (mctx, dst_idx);
- int src_bkref_idx = search_cur_bkref_entry (mctx, src_idx);
- for (lim_idx = 0; lim_idx < limits->nelem; ++lim_idx)
- {
- int subexp_idx;
- struct re_backref_cache_entry *ent;
- ent = mctx->bkref_ents + limits->elems[lim_idx];
- subexp_idx = dfa->nodes[ent->node].opr.idx;
-
- dst_pos = check_dst_limits_calc_pos (mctx, limits->elems[lim_idx],
- subexp_idx, dst_node, dst_idx,
- dst_bkref_idx);
- src_pos = check_dst_limits_calc_pos (mctx, limits->elems[lim_idx],
- subexp_idx, src_node, src_idx,
- src_bkref_idx);
-
- /* In case of:
- <src> <dst> ( <subexp> )
- ( <subexp> ) <src> <dst>
- ( <subexp1> <src> <subexp2> <dst> <subexp3> ) */
- if (src_pos == dst_pos)
- continue; /* This is unrelated limitation. */
- else
- return 1;
- }
- return 0;
-}
-
-static int
-internal_function
-check_dst_limits_calc_pos_1 (const re_match_context_t *mctx, int boundaries,
- int subexp_idx, int from_node, int bkref_idx)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- const re_node_set *eclosures = dfa->eclosures + from_node;
- int node_idx;
-
- /* Else, we are on the boundary: examine the nodes on the epsilon
- closure. */
- for (node_idx = 0; node_idx < eclosures->nelem; ++node_idx)
- {
- int node = eclosures->elems[node_idx];
- switch (dfa->nodes[node].type)
- {
- case OP_BACK_REF:
- if (bkref_idx != -1)
- {
- struct re_backref_cache_entry *ent = mctx->bkref_ents + bkref_idx;
- do
- {
- int dst, cpos;
-
- if (ent->node != node)
- continue;
-
- if (subexp_idx < BITSET_WORD_BITS
- && !(ent->eps_reachable_subexps_map
- & ((bitset_word_t) 1 << subexp_idx)))
- continue;
-
- /* Recurse trying to reach the OP_OPEN_SUBEXP and
- OP_CLOSE_SUBEXP cases below. But, if the
- destination node is the same node as the source
- node, don't recurse because it would cause an
- infinite loop: a regex that exhibits this behavior
- is ()\1*\1* */
- dst = dfa->edests[node].elems[0];
- if (dst == from_node)
- {
- if (boundaries & 1)
- return -1;
- else /* if (boundaries & 2) */
- return 0;
- }
-
- cpos =
- check_dst_limits_calc_pos_1 (mctx, boundaries, subexp_idx,
- dst, bkref_idx);
- if (cpos == -1 /* && (boundaries & 1) */)
- return -1;
- if (cpos == 0 && (boundaries & 2))
- return 0;
-
- if (subexp_idx < BITSET_WORD_BITS)
- ent->eps_reachable_subexps_map
- &= ~((bitset_word_t) 1 << subexp_idx);
- }
- while (ent++->more);
- }
- break;
-
- case OP_OPEN_SUBEXP:
- if ((boundaries & 1) && subexp_idx == dfa->nodes[node].opr.idx)
- return -1;
- break;
-
- case OP_CLOSE_SUBEXP:
- if ((boundaries & 2) && subexp_idx == dfa->nodes[node].opr.idx)
- return 0;
- break;
-
- default:
- break;
- }
- }
-
- return (boundaries & 2) ? 1 : 0;
-}
-
-static int
-internal_function
-check_dst_limits_calc_pos (const re_match_context_t *mctx, int limit,
- int subexp_idx, int from_node, int str_idx,
- int bkref_idx)
-{
- struct re_backref_cache_entry *lim = mctx->bkref_ents + limit;
- int boundaries;
-
- /* If we are outside the range of the subexpression, return -1 or 1. */
- if (str_idx < lim->subexp_from)
- return -1;
-
- if (lim->subexp_to < str_idx)
- return 1;
-
- /* If we are within the subexpression, return 0. */
- boundaries = (str_idx == lim->subexp_from);
- boundaries |= (str_idx == lim->subexp_to) << 1;
- if (boundaries == 0)
- return 0;
-
- /* Else, examine epsilon closure. */
- return check_dst_limits_calc_pos_1 (mctx, boundaries, subexp_idx,
- from_node, bkref_idx);
-}
-
-/* Check the limitations of sub expressions LIMITS, and remove the nodes
- which are against limitations from DEST_NODES. */
-
-static reg_errcode_t
-internal_function
-check_subexp_limits (const re_dfa_t *dfa, re_node_set *dest_nodes,
- const re_node_set *candidates, re_node_set *limits,
- struct re_backref_cache_entry *bkref_ents, int str_idx)
-{
- reg_errcode_t err;
- int node_idx, lim_idx;
-
- for (lim_idx = 0; lim_idx < limits->nelem; ++lim_idx)
- {
- int subexp_idx;
- struct re_backref_cache_entry *ent;
- ent = bkref_ents + limits->elems[lim_idx];
-
- if (str_idx <= ent->subexp_from || ent->str_idx < str_idx)
- continue; /* This is unrelated limitation. */
-
- subexp_idx = dfa->nodes[ent->node].opr.idx;
- if (ent->subexp_to == str_idx)
- {
- int ops_node = -1;
- int cls_node = -1;
- for (node_idx = 0; node_idx < dest_nodes->nelem; ++node_idx)
- {
- int node = dest_nodes->elems[node_idx];
- re_token_type_t type = dfa->nodes[node].type;
- if (type == OP_OPEN_SUBEXP
- && subexp_idx == dfa->nodes[node].opr.idx)
- ops_node = node;
- else if (type == OP_CLOSE_SUBEXP
- && subexp_idx == dfa->nodes[node].opr.idx)
- cls_node = node;
- }
-
- /* Check the limitation of the open subexpression. */
- /* Note that (ent->subexp_to = str_idx != ent->subexp_from). */
- if (ops_node >= 0)
- {
- err = sub_epsilon_src_nodes (dfa, ops_node, dest_nodes,
- candidates);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
-
- /* Check the limitation of the close subexpression. */
- if (cls_node >= 0)
- for (node_idx = 0; node_idx < dest_nodes->nelem; ++node_idx)
- {
- int node = dest_nodes->elems[node_idx];
- if (!re_node_set_contains (dfa->inveclosures + node,
- cls_node)
- && !re_node_set_contains (dfa->eclosures + node,
- cls_node))
- {
- /* It is against this limitation.
- Remove it form the current sifted state. */
- err = sub_epsilon_src_nodes (dfa, node, dest_nodes,
- candidates);
- if (BE (err != REG_NOERROR, 0))
- return err;
- --node_idx;
- }
- }
- }
- else /* (ent->subexp_to != str_idx) */
- {
- for (node_idx = 0; node_idx < dest_nodes->nelem; ++node_idx)
- {
- int node = dest_nodes->elems[node_idx];
- re_token_type_t type = dfa->nodes[node].type;
- if (type == OP_CLOSE_SUBEXP || type == OP_OPEN_SUBEXP)
- {
- if (subexp_idx != dfa->nodes[node].opr.idx)
- continue;
- /* It is against this limitation.
- Remove it form the current sifted state. */
- err = sub_epsilon_src_nodes (dfa, node, dest_nodes,
- candidates);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- }
- }
- }
- return REG_NOERROR;
-}
-
-static reg_errcode_t
-internal_function
-sift_states_bkref (const re_match_context_t *mctx, re_sift_context_t *sctx,
- int str_idx, const re_node_set *candidates)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- reg_errcode_t err;
- int node_idx, node;
- re_sift_context_t local_sctx;
- int first_idx = search_cur_bkref_entry (mctx, str_idx);
-
- if (first_idx == -1)
- return REG_NOERROR;
-
- local_sctx.sifted_states = NULL; /* Mark that it hasn't been initialized. */
-
- for (node_idx = 0; node_idx < candidates->nelem; ++node_idx)
- {
- int enabled_idx;
- re_token_type_t type;
- struct re_backref_cache_entry *entry;
- node = candidates->elems[node_idx];
- type = dfa->nodes[node].type;
- /* Avoid infinite loop for the REs like "()\1+". */
- if (node == sctx->last_node && str_idx == sctx->last_str_idx)
- continue;
- if (type != OP_BACK_REF)
- continue;
-
- entry = mctx->bkref_ents + first_idx;
- enabled_idx = first_idx;
- do
- {
- int subexp_len;
- int to_idx;
- int dst_node;
- int ret;
- re_dfastate_t *cur_state;
-
- if (entry->node != node)
- continue;
- subexp_len = entry->subexp_to - entry->subexp_from;
- to_idx = str_idx + subexp_len;
- dst_node = (subexp_len ? dfa->nexts[node]
- : dfa->edests[node].elems[0]);
-
- if (to_idx > sctx->last_str_idx
- || sctx->sifted_states[to_idx] == NULL
- || !STATE_NODE_CONTAINS (sctx->sifted_states[to_idx], dst_node)
- || check_dst_limits (mctx, &sctx->limits, node,
- str_idx, dst_node, to_idx))
- continue;
-
- if (local_sctx.sifted_states == NULL)
- {
- local_sctx = *sctx;
- err = re_node_set_init_copy (&local_sctx.limits, &sctx->limits);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- }
- local_sctx.last_node = node;
- local_sctx.last_str_idx = str_idx;
- ret = re_node_set_insert (&local_sctx.limits, enabled_idx);
- if (BE (ret < 0, 0))
- {
- err = REG_ESPACE;
- goto free_return;
- }
- cur_state = local_sctx.sifted_states[str_idx];
- err = sift_states_backward (mctx, &local_sctx);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- if (sctx->limited_states != NULL)
- {
- err = merge_state_array (dfa, sctx->limited_states,
- local_sctx.sifted_states,
- str_idx + 1);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- }
- local_sctx.sifted_states[str_idx] = cur_state;
- re_node_set_remove (&local_sctx.limits, enabled_idx);
-
- /* mctx->bkref_ents may have changed, reload the pointer. */
- entry = mctx->bkref_ents + enabled_idx;
- }
- while (enabled_idx++, entry++->more);
- }
- err = REG_NOERROR;
- free_return:
- if (local_sctx.sifted_states != NULL)
- {
- re_node_set_free (&local_sctx.limits);
- }
-
- return err;
-}
-
-
-#ifdef RE_ENABLE_I18N
-static int
-internal_function
-sift_states_iter_mb (const re_match_context_t *mctx, re_sift_context_t *sctx,
- int node_idx, int str_idx, int max_str_idx)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int naccepted;
- /* Check the node can accept `multi byte'. */
- naccepted = check_node_accept_bytes (dfa, node_idx, &mctx->input, str_idx);
- if (naccepted > 0 && str_idx + naccepted <= max_str_idx &&
- !STATE_NODE_CONTAINS (sctx->sifted_states[str_idx + naccepted],
- dfa->nexts[node_idx]))
- /* The node can't accept the `multi byte', or the
- destination was already thrown away, then the node
- could't accept the current input `multi byte'. */
- naccepted = 0;
- /* Otherwise, it is sure that the node could accept
- `naccepted' bytes input. */
- return naccepted;
-}
-#endif /* RE_ENABLE_I18N */
-
-
-/* Functions for state transition. */
-
-/* Return the next state to which the current state STATE will transit by
- accepting the current input byte, and update STATE_LOG if necessary.
- If STATE can accept a multibyte char/collating element/back reference
- update the destination of STATE_LOG. */
-
-static re_dfastate_t *
-internal_function
-transit_state (reg_errcode_t *err, re_match_context_t *mctx,
- re_dfastate_t *state)
-{
- re_dfastate_t **trtable;
- unsigned char ch;
-
-#ifdef RE_ENABLE_I18N
- /* If the current state can accept multibyte. */
- if (BE (state->accept_mb, 0))
- {
- *err = transit_state_mb (mctx, state);
- if (BE (*err != REG_NOERROR, 0))
- return NULL;
- }
-#endif /* RE_ENABLE_I18N */
-
- /* Then decide the next state with the single byte. */
-#if 0
- if (0)
- /* don't use transition table */
- return transit_state_sb (err, mctx, state);
-#endif
-
- /* Use transition table */
- ch = re_string_fetch_byte (&mctx->input);
- for (;;)
- {
- trtable = state->trtable;
- if (BE (trtable != NULL, 1))
- return trtable[ch];
-
- trtable = state->word_trtable;
- if (BE (trtable != NULL, 1))
- {
- unsigned int context;
- context
- = re_string_context_at (&mctx->input,
- re_string_cur_idx (&mctx->input) - 1,
- mctx->eflags);
- if (IS_WORD_CONTEXT (context))
- return trtable[ch + SBC_MAX];
- else
- return trtable[ch];
- }
-
- if (!build_trtable (mctx->dfa, state))
- {
- *err = REG_ESPACE;
- return NULL;
- }
-
- /* Retry, we now have a transition table. */
- }
-}
-
-/* Update the state_log if we need */
-re_dfastate_t *
-internal_function
-merge_state_with_log (reg_errcode_t *err, re_match_context_t *mctx,
- re_dfastate_t *next_state)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int cur_idx = re_string_cur_idx (&mctx->input);
-
- if (cur_idx > mctx->state_log_top)
- {
- mctx->state_log[cur_idx] = next_state;
- mctx->state_log_top = cur_idx;
- }
- else if (mctx->state_log[cur_idx] == 0)
- {
- mctx->state_log[cur_idx] = next_state;
- }
- else
- {
- re_dfastate_t *pstate;
- unsigned int context;
- re_node_set next_nodes, *log_nodes, *table_nodes = NULL;
- /* If (state_log[cur_idx] != 0), it implies that cur_idx is
- the destination of a multibyte char/collating element/
- back reference. Then the next state is the union set of
- these destinations and the results of the transition table. */
- pstate = mctx->state_log[cur_idx];
- log_nodes = pstate->entrance_nodes;
- if (next_state != NULL)
- {
- table_nodes = next_state->entrance_nodes;
- *err = re_node_set_init_union (&next_nodes, table_nodes,
- log_nodes);
- if (BE (*err != REG_NOERROR, 0))
- return NULL;
- }
- else
- next_nodes = *log_nodes;
- /* Note: We already add the nodes of the initial state,
- then we don't need to add them here. */
-
- context = re_string_context_at (&mctx->input,
- re_string_cur_idx (&mctx->input) - 1,
- mctx->eflags);
- next_state = mctx->state_log[cur_idx]
- = re_acquire_state_context (err, dfa, &next_nodes, context);
- /* We don't need to check errors here, since the return value of
- this function is next_state and ERR is already set. */
-
- if (table_nodes != NULL)
- re_node_set_free (&next_nodes);
- }
-
- if (BE (dfa->nbackref, 0) && next_state != NULL)
- {
- /* Check OP_OPEN_SUBEXP in the current state in case that we use them
- later. We must check them here, since the back references in the
- next state might use them. */
- *err = check_subexp_matching_top (mctx, &next_state->nodes,
- cur_idx);
- if (BE (*err != REG_NOERROR, 0))
- return NULL;
-
- /* If the next state has back references. */
- if (next_state->has_backref)
- {
- *err = transit_state_bkref (mctx, &next_state->nodes);
- if (BE (*err != REG_NOERROR, 0))
- return NULL;
- next_state = mctx->state_log[cur_idx];
- }
- }
-
- return next_state;
-}
-
-/* Skip bytes in the input that correspond to part of a
- multi-byte match, then look in the log for a state
- from which to restart matching. */
-re_dfastate_t *
-internal_function
-find_recover_state (reg_errcode_t *err, re_match_context_t *mctx)
-{
- re_dfastate_t *cur_state;
- do
- {
- int max = mctx->state_log_top;
- int cur_str_idx = re_string_cur_idx (&mctx->input);
-
- do
- {
- if (++cur_str_idx > max)
- return NULL;
- re_string_skip_bytes (&mctx->input, 1);
- }
- while (mctx->state_log[cur_str_idx] == NULL);
-
- cur_state = merge_state_with_log (err, mctx, NULL);
- }
- while (*err == REG_NOERROR && cur_state == NULL);
- return cur_state;
-}
-
-/* Helper functions for transit_state. */
-
-/* From the node set CUR_NODES, pick up the nodes whose types are
- OP_OPEN_SUBEXP and which have corresponding back references in the regular
- expression. And register them to use them later for evaluating the
- correspoding back references. */
-
-static reg_errcode_t
-internal_function
-check_subexp_matching_top (re_match_context_t *mctx, re_node_set *cur_nodes,
- int str_idx)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int node_idx;
- reg_errcode_t err;
-
- /* TODO: This isn't efficient.
- Because there might be more than one nodes whose types are
- OP_OPEN_SUBEXP and whose index is SUBEXP_IDX, we must check all
- nodes.
- E.g. RE: (a){2} */
- for (node_idx = 0; node_idx < cur_nodes->nelem; ++node_idx)
- {
- int node = cur_nodes->elems[node_idx];
- if (dfa->nodes[node].type == OP_OPEN_SUBEXP
- && dfa->nodes[node].opr.idx < BITSET_WORD_BITS
- && (dfa->used_bkref_map
- & ((bitset_word_t) 1 << dfa->nodes[node].opr.idx)))
- {
- err = match_ctx_add_subtop (mctx, node, str_idx);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- }
- return REG_NOERROR;
-}
-
-#if 0
-/* Return the next state to which the current state STATE will transit by
- accepting the current input byte. */
-
-static re_dfastate_t *
-transit_state_sb (reg_errcode_t *err, re_match_context_t *mctx,
- re_dfastate_t *state)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- re_node_set next_nodes;
- re_dfastate_t *next_state;
- int node_cnt, cur_str_idx = re_string_cur_idx (&mctx->input);
- unsigned int context;
-
- *err = re_node_set_alloc (&next_nodes, state->nodes.nelem + 1);
- if (BE (*err != REG_NOERROR, 0))
- return NULL;
- for (node_cnt = 0; node_cnt < state->nodes.nelem; ++node_cnt)
- {
- int cur_node = state->nodes.elems[node_cnt];
- if (check_node_accept (mctx, dfa->nodes + cur_node, cur_str_idx))
- {
- *err = re_node_set_merge (&next_nodes,
- dfa->eclosures + dfa->nexts[cur_node]);
- if (BE (*err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return NULL;
- }
- }
- }
- context = re_string_context_at (&mctx->input, cur_str_idx, mctx->eflags);
- next_state = re_acquire_state_context (err, dfa, &next_nodes, context);
- /* We don't need to check errors here, since the return value of
- this function is next_state and ERR is already set. */
-
- re_node_set_free (&next_nodes);
- re_string_skip_bytes (&mctx->input, 1);
- return next_state;
-}
-#endif
-
-#ifdef RE_ENABLE_I18N
-static reg_errcode_t
-internal_function
-transit_state_mb (re_match_context_t *mctx, re_dfastate_t *pstate)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- reg_errcode_t err;
- int i;
-
- for (i = 0; i < pstate->nodes.nelem; ++i)
- {
- re_node_set dest_nodes, *new_nodes;
- int cur_node_idx = pstate->nodes.elems[i];
- int naccepted, dest_idx;
- unsigned int context;
- re_dfastate_t *dest_state;
-
- if (!dfa->nodes[cur_node_idx].accept_mb)
- continue;
-
- if (dfa->nodes[cur_node_idx].constraint)
- {
- context = re_string_context_at (&mctx->input,
- re_string_cur_idx (&mctx->input),
- mctx->eflags);
- if (NOT_SATISFY_NEXT_CONSTRAINT (dfa->nodes[cur_node_idx].constraint,
- context))
- continue;
- }
-
- /* How many bytes the node can accept? */
- naccepted = check_node_accept_bytes (dfa, cur_node_idx, &mctx->input,
- re_string_cur_idx (&mctx->input));
- if (naccepted == 0)
- continue;
-
- /* The node can accepts `naccepted' bytes. */
- dest_idx = re_string_cur_idx (&mctx->input) + naccepted;
- mctx->max_mb_elem_len = ((mctx->max_mb_elem_len < naccepted) ? naccepted
- : mctx->max_mb_elem_len);
- err = clean_state_log_if_needed (mctx, dest_idx);
- if (BE (err != REG_NOERROR, 0))
- return err;
-#ifdef DEBUG
- assert (dfa->nexts[cur_node_idx] != -1);
-#endif
- new_nodes = dfa->eclosures + dfa->nexts[cur_node_idx];
-
- dest_state = mctx->state_log[dest_idx];
- if (dest_state == NULL)
- dest_nodes = *new_nodes;
- else
- {
- err = re_node_set_init_union (&dest_nodes,
- dest_state->entrance_nodes, new_nodes);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- context = re_string_context_at (&mctx->input, dest_idx - 1,
- mctx->eflags);
- mctx->state_log[dest_idx]
- = re_acquire_state_context (&err, dfa, &dest_nodes, context);
- if (dest_state != NULL)
- re_node_set_free (&dest_nodes);
- if (BE (mctx->state_log[dest_idx] == NULL && err != REG_NOERROR, 0))
- return err;
- }
- return REG_NOERROR;
-}
-#endif /* RE_ENABLE_I18N */
-
-static reg_errcode_t
-internal_function
-transit_state_bkref (re_match_context_t *mctx, const re_node_set *nodes)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- reg_errcode_t err;
- int i;
- int cur_str_idx = re_string_cur_idx (&mctx->input);
-
- for (i = 0; i < nodes->nelem; ++i)
- {
- int dest_str_idx, prev_nelem, bkc_idx;
- int node_idx = nodes->elems[i];
- unsigned int context;
- const re_token_t *node = dfa->nodes + node_idx;
- re_node_set *new_dest_nodes;
-
- /* Check whether `node' is a backreference or not. */
- if (node->type != OP_BACK_REF)
- continue;
-
- if (node->constraint)
- {
- context = re_string_context_at (&mctx->input, cur_str_idx,
- mctx->eflags);
- if (NOT_SATISFY_NEXT_CONSTRAINT (node->constraint, context))
- continue;
- }
-
- /* `node' is a backreference.
- Check the substring which the substring matched. */
- bkc_idx = mctx->nbkref_ents;
- err = get_subexp (mctx, node_idx, cur_str_idx);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
-
- /* And add the epsilon closures (which is `new_dest_nodes') of
- the backreference to appropriate state_log. */
-#ifdef DEBUG
- assert (dfa->nexts[node_idx] != -1);
-#endif
- for (; bkc_idx < mctx->nbkref_ents; ++bkc_idx)
- {
- int subexp_len;
- re_dfastate_t *dest_state;
- struct re_backref_cache_entry *bkref_ent;
- bkref_ent = mctx->bkref_ents + bkc_idx;
- if (bkref_ent->node != node_idx || bkref_ent->str_idx != cur_str_idx)
- continue;
- subexp_len = bkref_ent->subexp_to - bkref_ent->subexp_from;
- new_dest_nodes = (subexp_len == 0
- ? dfa->eclosures + dfa->edests[node_idx].elems[0]
- : dfa->eclosures + dfa->nexts[node_idx]);
- dest_str_idx = (cur_str_idx + bkref_ent->subexp_to
- - bkref_ent->subexp_from);
- context = re_string_context_at (&mctx->input, dest_str_idx - 1,
- mctx->eflags);
- dest_state = mctx->state_log[dest_str_idx];
- prev_nelem = ((mctx->state_log[cur_str_idx] == NULL) ? 0
- : mctx->state_log[cur_str_idx]->nodes.nelem);
- /* Add `new_dest_node' to state_log. */
- if (dest_state == NULL)
- {
- mctx->state_log[dest_str_idx]
- = re_acquire_state_context (&err, dfa, new_dest_nodes,
- context);
- if (BE (mctx->state_log[dest_str_idx] == NULL
- && err != REG_NOERROR, 0))
- goto free_return;
- }
- else
- {
- re_node_set dest_nodes;
- err = re_node_set_init_union (&dest_nodes,
- dest_state->entrance_nodes,
- new_dest_nodes);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&dest_nodes);
- goto free_return;
- }
- mctx->state_log[dest_str_idx]
- = re_acquire_state_context (&err, dfa, &dest_nodes, context);
- re_node_set_free (&dest_nodes);
- if (BE (mctx->state_log[dest_str_idx] == NULL
- && err != REG_NOERROR, 0))
- goto free_return;
- }
- /* We need to check recursively if the backreference can epsilon
- transit. */
- if (subexp_len == 0
- && mctx->state_log[cur_str_idx]->nodes.nelem > prev_nelem)
- {
- err = check_subexp_matching_top (mctx, new_dest_nodes,
- cur_str_idx);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- err = transit_state_bkref (mctx, new_dest_nodes);
- if (BE (err != REG_NOERROR, 0))
- goto free_return;
- }
- }
- }
- err = REG_NOERROR;
- free_return:
- return err;
-}
-
-/* Enumerate all the candidates which the backreference BKREF_NODE can match
- at BKREF_STR_IDX, and register them by match_ctx_add_entry().
- Note that we might collect inappropriate candidates here.
- However, the cost of checking them strictly here is too high, then we
- delay these checking for prune_impossible_nodes(). */
-
-static reg_errcode_t
-internal_function
-get_subexp (re_match_context_t *mctx, int bkref_node, int bkref_str_idx)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int subexp_num, sub_top_idx;
- const char *buf = (const char *) re_string_get_buffer (&mctx->input);
- /* Return if we have already checked BKREF_NODE at BKREF_STR_IDX. */
- int cache_idx = search_cur_bkref_entry (mctx, bkref_str_idx);
- if (cache_idx != -1)
- {
- const struct re_backref_cache_entry *entry
- = mctx->bkref_ents + cache_idx;
- do
- if (entry->node == bkref_node)
- return REG_NOERROR; /* We already checked it. */
- while (entry++->more);
- }
-
- subexp_num = dfa->nodes[bkref_node].opr.idx;
-
- /* For each sub expression */
- for (sub_top_idx = 0; sub_top_idx < mctx->nsub_tops; ++sub_top_idx)
- {
- reg_errcode_t err;
- re_sub_match_top_t *sub_top = mctx->sub_tops[sub_top_idx];
- re_sub_match_last_t *sub_last;
- int sub_last_idx, sl_str, bkref_str_off;
-
- if (dfa->nodes[sub_top->node].opr.idx != subexp_num)
- continue; /* It isn't related. */
-
- sl_str = sub_top->str_idx;
- bkref_str_off = bkref_str_idx;
- /* At first, check the last node of sub expressions we already
- evaluated. */
- for (sub_last_idx = 0; sub_last_idx < sub_top->nlasts; ++sub_last_idx)
- {
- int sl_str_diff;
- sub_last = sub_top->lasts[sub_last_idx];
- sl_str_diff = sub_last->str_idx - sl_str;
- /* The matched string by the sub expression match with the substring
- at the back reference? */
- if (sl_str_diff > 0)
- {
- if (BE (bkref_str_off + sl_str_diff > mctx->input.valid_len, 0))
- {
- /* Not enough chars for a successful match. */
- if (bkref_str_off + sl_str_diff > mctx->input.len)
- break;
-
- err = clean_state_log_if_needed (mctx,
- bkref_str_off
- + sl_str_diff);
- if (BE (err != REG_NOERROR, 0))
- return err;
- buf = (const char *) re_string_get_buffer (&mctx->input);
- }
- if (memcmp (buf + bkref_str_off, buf + sl_str, sl_str_diff) != 0)
- /* We don't need to search this sub expression any more. */
- break;
- }
- bkref_str_off += sl_str_diff;
- sl_str += sl_str_diff;
- err = get_subexp_sub (mctx, sub_top, sub_last, bkref_node,
- bkref_str_idx);
-
- /* Reload buf, since the preceding call might have reallocated
- the buffer. */
- buf = (const char *) re_string_get_buffer (&mctx->input);
-
- if (err == REG_NOMATCH)
- continue;
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
-
- if (sub_last_idx < sub_top->nlasts)
- continue;
- if (sub_last_idx > 0)
- ++sl_str;
- /* Then, search for the other last nodes of the sub expression. */
- for (; sl_str <= bkref_str_idx; ++sl_str)
- {
- int cls_node, sl_str_off;
- const re_node_set *nodes;
- sl_str_off = sl_str - sub_top->str_idx;
- /* The matched string by the sub expression match with the substring
- at the back reference? */
- if (sl_str_off > 0)
- {
- if (BE (bkref_str_off >= mctx->input.valid_len, 0))
- {
- /* If we are at the end of the input, we cannot match. */
- if (bkref_str_off >= mctx->input.len)
- break;
-
- err = extend_buffers (mctx);
- if (BE (err != REG_NOERROR, 0))
- return err;
-
- buf = (const char *) re_string_get_buffer (&mctx->input);
- }
- if (buf [bkref_str_off++] != buf[sl_str - 1])
- break; /* We don't need to search this sub expression
- any more. */
- }
- if (mctx->state_log[sl_str] == NULL)
- continue;
- /* Does this state have a ')' of the sub expression? */
- nodes = &mctx->state_log[sl_str]->nodes;
- cls_node = find_subexp_node (dfa, nodes, subexp_num,
- OP_CLOSE_SUBEXP);
- if (cls_node == -1)
- continue; /* No. */
- if (sub_top->path == NULL)
- {
- sub_top->path = calloc (sizeof (state_array_t),
- sl_str - sub_top->str_idx + 1);
- if (sub_top->path == NULL)
- return REG_ESPACE;
- }
- /* Can the OP_OPEN_SUBEXP node arrive the OP_CLOSE_SUBEXP node
- in the current context? */
- err = check_arrival (mctx, sub_top->path, sub_top->node,
- sub_top->str_idx, cls_node, sl_str,
- OP_CLOSE_SUBEXP);
- if (err == REG_NOMATCH)
- continue;
- if (BE (err != REG_NOERROR, 0))
- return err;
- sub_last = match_ctx_add_sublast (sub_top, cls_node, sl_str);
- if (BE (sub_last == NULL, 0))
- return REG_ESPACE;
- err = get_subexp_sub (mctx, sub_top, sub_last, bkref_node,
- bkref_str_idx);
- if (err == REG_NOMATCH)
- continue;
- }
- }
- return REG_NOERROR;
-}
-
-/* Helper functions for get_subexp(). */
-
-/* Check SUB_LAST can arrive to the back reference BKREF_NODE at BKREF_STR.
- If it can arrive, register the sub expression expressed with SUB_TOP
- and SUB_LAST. */
-
-static reg_errcode_t
-internal_function
-get_subexp_sub (re_match_context_t *mctx, const re_sub_match_top_t *sub_top,
- re_sub_match_last_t *sub_last, int bkref_node, int bkref_str)
-{
- reg_errcode_t err;
- int to_idx;
- /* Can the subexpression arrive the back reference? */
- err = check_arrival (mctx, &sub_last->path, sub_last->node,
- sub_last->str_idx, bkref_node, bkref_str,
- OP_OPEN_SUBEXP);
- if (err != REG_NOERROR)
- return err;
- err = match_ctx_add_entry (mctx, bkref_node, bkref_str, sub_top->str_idx,
- sub_last->str_idx);
- if (BE (err != REG_NOERROR, 0))
- return err;
- to_idx = bkref_str + sub_last->str_idx - sub_top->str_idx;
- return clean_state_log_if_needed (mctx, to_idx);
-}
-
-/* Find the first node which is '(' or ')' and whose index is SUBEXP_IDX.
- Search '(' if FL_OPEN, or search ')' otherwise.
- TODO: This function isn't efficient...
- Because there might be more than one nodes whose types are
- OP_OPEN_SUBEXP and whose index is SUBEXP_IDX, we must check all
- nodes.
- E.g. RE: (a){2} */
-
-static int
-internal_function
-find_subexp_node (const re_dfa_t *dfa, const re_node_set *nodes,
- int subexp_idx, int type)
-{
- int cls_idx;
- for (cls_idx = 0; cls_idx < nodes->nelem; ++cls_idx)
- {
- int cls_node = nodes->elems[cls_idx];
- const re_token_t *node = dfa->nodes + cls_node;
- if (node->type == type
- && node->opr.idx == subexp_idx)
- return cls_node;
- }
- return -1;
-}
-
-/* Check whether the node TOP_NODE at TOP_STR can arrive to the node
- LAST_NODE at LAST_STR. We record the path onto PATH since it will be
- heavily reused.
- Return REG_NOERROR if it can arrive, or REG_NOMATCH otherwise. */
-
-static reg_errcode_t
-internal_function
-check_arrival (re_match_context_t *mctx, state_array_t *path, int top_node,
- int top_str, int last_node, int last_str, int type)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- reg_errcode_t err = REG_NOERROR;
- int subexp_num, backup_cur_idx, str_idx, null_cnt;
- re_dfastate_t *cur_state = NULL;
- re_node_set *cur_nodes, next_nodes;
- re_dfastate_t **backup_state_log;
- unsigned int context;
-
- subexp_num = dfa->nodes[top_node].opr.idx;
- /* Extend the buffer if we need. */
- if (BE (path->alloc < last_str + mctx->max_mb_elem_len + 1, 0))
- {
- re_dfastate_t **new_array;
- int old_alloc = path->alloc;
- path->alloc += last_str + mctx->max_mb_elem_len + 1;
- new_array = re_realloc (path->array, re_dfastate_t *, path->alloc);
- if (BE (new_array == NULL, 0))
- {
- path->alloc = old_alloc;
- return REG_ESPACE;
- }
- path->array = new_array;
- memset (new_array + old_alloc, '\0',
- sizeof (re_dfastate_t *) * (path->alloc - old_alloc));
- }
-
- str_idx = path->next_idx ? path->next_idx : top_str;
-
- /* Temporary modify MCTX. */
- backup_state_log = mctx->state_log;
- backup_cur_idx = mctx->input.cur_idx;
- mctx->state_log = path->array;
- mctx->input.cur_idx = str_idx;
-
- /* Setup initial node set. */
- context = re_string_context_at (&mctx->input, str_idx - 1, mctx->eflags);
- if (str_idx == top_str)
- {
- err = re_node_set_init_1 (&next_nodes, top_node);
- if (BE (err != REG_NOERROR, 0))
- return err;
- err = check_arrival_expand_ecl (dfa, &next_nodes, subexp_num, type);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- }
- else
- {
- cur_state = mctx->state_log[str_idx];
- if (cur_state && cur_state->has_backref)
- {
- err = re_node_set_init_copy (&next_nodes, &cur_state->nodes);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- else
- re_node_set_init_empty (&next_nodes);
- }
- if (str_idx == top_str || (cur_state && cur_state->has_backref))
- {
- if (next_nodes.nelem)
- {
- err = expand_bkref_cache (mctx, &next_nodes, str_idx,
- subexp_num, type);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- }
- cur_state = re_acquire_state_context (&err, dfa, &next_nodes, context);
- if (BE (cur_state == NULL && err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- mctx->state_log[str_idx] = cur_state;
- }
-
- for (null_cnt = 0; str_idx < last_str && null_cnt <= mctx->max_mb_elem_len;)
- {
- re_node_set_empty (&next_nodes);
- if (mctx->state_log[str_idx + 1])
- {
- err = re_node_set_merge (&next_nodes,
- &mctx->state_log[str_idx + 1]->nodes);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- }
- if (cur_state)
- {
- err = check_arrival_add_next_nodes (mctx, str_idx,
- &cur_state->non_eps_nodes,
- &next_nodes);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- }
- ++str_idx;
- if (next_nodes.nelem)
- {
- err = check_arrival_expand_ecl (dfa, &next_nodes, subexp_num, type);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- err = expand_bkref_cache (mctx, &next_nodes, str_idx,
- subexp_num, type);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- }
- context = re_string_context_at (&mctx->input, str_idx - 1, mctx->eflags);
- cur_state = re_acquire_state_context (&err, dfa, &next_nodes, context);
- if (BE (cur_state == NULL && err != REG_NOERROR, 0))
- {
- re_node_set_free (&next_nodes);
- return err;
- }
- mctx->state_log[str_idx] = cur_state;
- null_cnt = cur_state == NULL ? null_cnt + 1 : 0;
- }
- re_node_set_free (&next_nodes);
- cur_nodes = (mctx->state_log[last_str] == NULL ? NULL
- : &mctx->state_log[last_str]->nodes);
- path->next_idx = str_idx;
-
- /* Fix MCTX. */
- mctx->state_log = backup_state_log;
- mctx->input.cur_idx = backup_cur_idx;
-
- /* Then check the current node set has the node LAST_NODE. */
- if (cur_nodes != NULL && re_node_set_contains (cur_nodes, last_node))
- return REG_NOERROR;
-
- return REG_NOMATCH;
-}
-
-/* Helper functions for check_arrival. */
-
-/* Calculate the destination nodes of CUR_NODES at STR_IDX, and append them
- to NEXT_NODES.
- TODO: This function is similar to the functions transit_state*(),
- however this function has many additional works.
- Can't we unify them? */
-
-static reg_errcode_t
-internal_function
-check_arrival_add_next_nodes (re_match_context_t *mctx, int str_idx,
- re_node_set *cur_nodes, re_node_set *next_nodes)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- int result;
- int cur_idx;
-#ifdef RE_ENABLE_I18N
- reg_errcode_t err = REG_NOERROR;
-#endif
- re_node_set union_set;
- re_node_set_init_empty (&union_set);
- for (cur_idx = 0; cur_idx < cur_nodes->nelem; ++cur_idx)
- {
- int naccepted = 0;
- int cur_node = cur_nodes->elems[cur_idx];
-#ifdef DEBUG
- re_token_type_t type = dfa->nodes[cur_node].type;
- assert (!IS_EPSILON_NODE (type));
-#endif
-#ifdef RE_ENABLE_I18N
- /* If the node may accept `multi byte'. */
- if (dfa->nodes[cur_node].accept_mb)
- {
- naccepted = check_node_accept_bytes (dfa, cur_node, &mctx->input,
- str_idx);
- if (naccepted > 1)
- {
- re_dfastate_t *dest_state;
- int next_node = dfa->nexts[cur_node];
- int next_idx = str_idx + naccepted;
- dest_state = mctx->state_log[next_idx];
- re_node_set_empty (&union_set);
- if (dest_state)
- {
- err = re_node_set_merge (&union_set, &dest_state->nodes);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&union_set);
- return err;
- }
- }
- result = re_node_set_insert (&union_set, next_node);
- if (BE (result < 0, 0))
- {
- re_node_set_free (&union_set);
- return REG_ESPACE;
- }
- mctx->state_log[next_idx] = re_acquire_state (&err, dfa,
- &union_set);
- if (BE (mctx->state_log[next_idx] == NULL
- && err != REG_NOERROR, 0))
- {
- re_node_set_free (&union_set);
- return err;
- }
- }
- }
-#endif /* RE_ENABLE_I18N */
- if (naccepted
- || check_node_accept (mctx, dfa->nodes + cur_node, str_idx))
- {
- result = re_node_set_insert (next_nodes, dfa->nexts[cur_node]);
- if (BE (result < 0, 0))
- {
- re_node_set_free (&union_set);
- return REG_ESPACE;
- }
- }
- }
- re_node_set_free (&union_set);
- return REG_NOERROR;
-}
-
-/* For all the nodes in CUR_NODES, add the epsilon closures of them to
- CUR_NODES, however exclude the nodes which are:
- - inside the sub expression whose number is EX_SUBEXP, if FL_OPEN.
- - out of the sub expression whose number is EX_SUBEXP, if !FL_OPEN.
-*/
-
-static reg_errcode_t
-internal_function
-check_arrival_expand_ecl (const re_dfa_t *dfa, re_node_set *cur_nodes,
- int ex_subexp, int type)
-{
- reg_errcode_t err;
- int idx, outside_node;
- re_node_set new_nodes;
-#ifdef DEBUG
- assert (cur_nodes->nelem);
-#endif
- err = re_node_set_alloc (&new_nodes, cur_nodes->nelem);
- if (BE (err != REG_NOERROR, 0))
- return err;
- /* Create a new node set NEW_NODES with the nodes which are epsilon
- closures of the node in CUR_NODES. */
-
- for (idx = 0; idx < cur_nodes->nelem; ++idx)
- {
- int cur_node = cur_nodes->elems[idx];
- const re_node_set *eclosure = dfa->eclosures + cur_node;
- outside_node = find_subexp_node (dfa, eclosure, ex_subexp, type);
- if (outside_node == -1)
- {
- /* There are no problematic nodes, just merge them. */
- err = re_node_set_merge (&new_nodes, eclosure);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&new_nodes);
- return err;
- }
- }
- else
- {
- /* There are problematic nodes, re-calculate incrementally. */
- err = check_arrival_expand_ecl_sub (dfa, &new_nodes, cur_node,
- ex_subexp, type);
- if (BE (err != REG_NOERROR, 0))
- {
- re_node_set_free (&new_nodes);
- return err;
- }
- }
- }
- re_node_set_free (cur_nodes);
- *cur_nodes = new_nodes;
- return REG_NOERROR;
-}
-
-/* Helper function for check_arrival_expand_ecl.
- Check incrementally the epsilon closure of TARGET, and if it isn't
- problematic append it to DST_NODES. */
-
-static reg_errcode_t
-internal_function
-check_arrival_expand_ecl_sub (const re_dfa_t *dfa, re_node_set *dst_nodes,
- int target, int ex_subexp, int type)
-{
- int cur_node;
- for (cur_node = target; !re_node_set_contains (dst_nodes, cur_node);)
- {
- int err;
-
- if (dfa->nodes[cur_node].type == type
- && dfa->nodes[cur_node].opr.idx == ex_subexp)
- {
- if (type == OP_CLOSE_SUBEXP)
- {
- err = re_node_set_insert (dst_nodes, cur_node);
- if (BE (err == -1, 0))
- return REG_ESPACE;
- }
- break;
- }
- err = re_node_set_insert (dst_nodes, cur_node);
- if (BE (err == -1, 0))
- return REG_ESPACE;
- if (dfa->edests[cur_node].nelem == 0)
- break;
- if (dfa->edests[cur_node].nelem == 2)
- {
- err = check_arrival_expand_ecl_sub (dfa, dst_nodes,
- dfa->edests[cur_node].elems[1],
- ex_subexp, type);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- cur_node = dfa->edests[cur_node].elems[0];
- }
- return REG_NOERROR;
-}
-
-
-/* For all the back references in the current state, calculate the
- destination of the back references by the appropriate entry
- in MCTX->BKREF_ENTS. */
-
-static reg_errcode_t
-internal_function
-expand_bkref_cache (re_match_context_t *mctx, re_node_set *cur_nodes,
- int cur_str, int subexp_num, int type)
-{
- const re_dfa_t *const dfa = mctx->dfa;
- reg_errcode_t err;
- int cache_idx_start = search_cur_bkref_entry (mctx, cur_str);
- struct re_backref_cache_entry *ent;
-
- if (cache_idx_start == -1)
- return REG_NOERROR;
-
- restart:
- ent = mctx->bkref_ents + cache_idx_start;
- do
- {
- int to_idx, next_node;
-
- /* Is this entry ENT is appropriate? */
- if (!re_node_set_contains (cur_nodes, ent->node))
- continue; /* No. */
-
- to_idx = cur_str + ent->subexp_to - ent->subexp_from;
- /* Calculate the destination of the back reference, and append it
- to MCTX->STATE_LOG. */
- if (to_idx == cur_str)
- {
- /* The backreference did epsilon transit, we must re-check all the
- node in the current state. */
- re_node_set new_dests;
- reg_errcode_t err2, err3;
- next_node = dfa->edests[ent->node].elems[0];
- if (re_node_set_contains (cur_nodes, next_node))
- continue;
- err = re_node_set_init_1 (&new_dests, next_node);
- err2 = check_arrival_expand_ecl (dfa, &new_dests, subexp_num, type);
- err3 = re_node_set_merge (cur_nodes, &new_dests);
- re_node_set_free (&new_dests);
- if (BE (err != REG_NOERROR || err2 != REG_NOERROR
- || err3 != REG_NOERROR, 0))
- {
- err = (err != REG_NOERROR ? err
- : (err2 != REG_NOERROR ? err2 : err3));
- return err;
- }
- /* TODO: It is still inefficient... */
- goto restart;
- }
- else
- {
- re_node_set union_set;
- next_node = dfa->nexts[ent->node];
- if (mctx->state_log[to_idx])
- {
- int ret;
- if (re_node_set_contains (&mctx->state_log[to_idx]->nodes,
- next_node))
- continue;
- err = re_node_set_init_copy (&union_set,
- &mctx->state_log[to_idx]->nodes);
- ret = re_node_set_insert (&union_set, next_node);
- if (BE (err != REG_NOERROR || ret < 0, 0))
- {
- re_node_set_free (&union_set);
- err = err != REG_NOERROR ? err : REG_ESPACE;
- return err;
- }
- }
- else
- {
- err = re_node_set_init_1 (&union_set, next_node);
- if (BE (err != REG_NOERROR, 0))
- return err;
- }
- mctx->state_log[to_idx] = re_acquire_state (&err, dfa, &union_set);
- re_node_set_free (&union_set);
- if (BE (mctx->state_log[to_idx] == NULL
- && err != REG_NOERROR, 0))
- return err;
- }
- }
- while (ent++->more);
- return REG_NOERROR;
-}
-
-/* Build transition table for the state.
- Return 1 if succeeded, otherwise return NULL. */
-
-static int
-internal_function
-build_trtable (const re_dfa_t *dfa, re_dfastate_t *state)
-{
- reg_errcode_t err;
- int i, j, ch, need_word_trtable = 0;
- bitset_word_t elem, mask;
- bool dests_node_malloced = false;
- bool dest_states_malloced = false;
- int ndests; /* Number of the destination states from `state'. */
- re_dfastate_t **trtable;
- re_dfastate_t **dest_states = NULL, **dest_states_word, **dest_states_nl;
- re_node_set follows, *dests_node;
- bitset_t *dests_ch;
- bitset_t acceptable;
-
- struct dests_alloc
- {
- re_node_set dests_node[SBC_MAX];
- bitset_t dests_ch[SBC_MAX];
- } *dests_alloc;
-
- /* We build DFA states which corresponds to the destination nodes
- from `state'. `dests_node[i]' represents the nodes which i-th
- destination state contains, and `dests_ch[i]' represents the
- characters which i-th destination state accepts. */
-#ifdef HAVE_ALLOCA
- if (__libc_use_alloca (sizeof (struct dests_alloc)))
- dests_alloc = (struct dests_alloc *) alloca (sizeof (struct dests_alloc));
- else
-#endif
- {
- dests_alloc = re_malloc (struct dests_alloc, 1);
- if (BE (dests_alloc == NULL, 0))
- return 0;
- dests_node_malloced = true;
- }
- dests_node = dests_alloc->dests_node;
- dests_ch = dests_alloc->dests_ch;
-
- /* Initialize transiton table. */
- state->word_trtable = state->trtable = NULL;
-
- /* At first, group all nodes belonging to `state' into several
- destinations. */
- ndests = group_nodes_into_DFAstates (dfa, state, dests_node, dests_ch);
- if (BE (ndests <= 0, 0))
- {
- if (dests_node_malloced)
- free (dests_alloc);
- /* Return 0 in case of an error, 1 otherwise. */
- if (ndests == 0)
- {
- state->trtable = (re_dfastate_t **)
- calloc (sizeof (re_dfastate_t *), SBC_MAX);
- return 1;
- }
- return 0;
- }
-
- err = re_node_set_alloc (&follows, ndests + 1);
- if (BE (err != REG_NOERROR, 0))
- goto out_free;
-
- /* Avoid arithmetic overflow in size calculation. */
- if (BE ((((SIZE_MAX - (sizeof (re_node_set) + sizeof (bitset_t)) * SBC_MAX)
- / (3 * sizeof (re_dfastate_t *)))
- < (size_t)ndests),
- 0))
- goto out_free;
-
-#ifdef HAVE_ALLOCA
- if (__libc_use_alloca ((sizeof (re_node_set) + sizeof (bitset_t)) * SBC_MAX
- + ndests * 3 * sizeof (re_dfastate_t *)))
- dest_states = (re_dfastate_t **)
- alloca (ndests * 3 * sizeof (re_dfastate_t *));
- else
-#endif
- {
- dest_states = (re_dfastate_t **)
- malloc (ndests * 3 * sizeof (re_dfastate_t *));
- if (BE (dest_states == NULL, 0))
- {
-out_free:
- if (dest_states_malloced)
- free (dest_states);
- re_node_set_free (&follows);
- for (i = 0; i < ndests; ++i)
- re_node_set_free (dests_node + i);
- if (dests_node_malloced)
- free (dests_alloc);
- return 0;
- }
- dest_states_malloced = true;
- }
- dest_states_word = dest_states + ndests;
- dest_states_nl = dest_states_word + ndests;
- bitset_empty (acceptable);
-
- /* Then build the states for all destinations. */
- for (i = 0; i < ndests; ++i)
- {
- int next_node;
- re_node_set_empty (&follows);
- /* Merge the follows of this destination states. */
- for (j = 0; j < dests_node[i].nelem; ++j)
- {
- next_node = dfa->nexts[dests_node[i].elems[j]];
- if (next_node != -1)
- {
- err = re_node_set_merge (&follows, dfa->eclosures + next_node);
- if (BE (err != REG_NOERROR, 0))
- goto out_free;
- }
- }
- dest_states[i] = re_acquire_state_context (&err, dfa, &follows, 0);
- if (BE (dest_states[i] == NULL && err != REG_NOERROR, 0))
- goto out_free;
- /* If the new state has context constraint,
- build appropriate states for these contexts. */
- if (dest_states[i]->has_constraint)
- {
- dest_states_word[i] = re_acquire_state_context (&err, dfa, &follows,
- CONTEXT_WORD);
- if (BE (dest_states_word[i] == NULL && err != REG_NOERROR, 0))
- goto out_free;
-
- if (dest_states[i] != dest_states_word[i] && dfa->mb_cur_max > 1)
- need_word_trtable = 1;
-
- dest_states_nl[i] = re_acquire_state_context (&err, dfa, &follows,
- CONTEXT_NEWLINE);
- if (BE (dest_states_nl[i] == NULL && err != REG_NOERROR, 0))
- goto out_free;
- }
- else
- {
- dest_states_word[i] = dest_states[i];
- dest_states_nl[i] = dest_states[i];
- }
- bitset_merge (acceptable, dests_ch[i]);
- }
-
- if (!BE (need_word_trtable, 0))
- {
- /* We don't care about whether the following character is a word
- character, or we are in a single-byte character set so we can
- discern by looking at the character code: allocate a
- 256-entry transition table. */
- trtable = state->trtable =
- (re_dfastate_t **) calloc (sizeof (re_dfastate_t *), SBC_MAX);
- if (BE (trtable == NULL, 0))
- goto out_free;
-
- /* For all characters ch...: */
- for (i = 0; i < BITSET_WORDS; ++i)
- for (ch = i * BITSET_WORD_BITS, elem = acceptable[i], mask = 1;
- elem;
- mask <<= 1, elem >>= 1, ++ch)
- if (BE (elem & 1, 0))
- {
- /* There must be exactly one destination which accepts
- character ch. See group_nodes_into_DFAstates. */
- for (j = 0; (dests_ch[j][i] & mask) == 0; ++j)
- ;
-
- /* j-th destination accepts the word character ch. */
- if (dfa->word_char[i] & mask)
- trtable[ch] = dest_states_word[j];
- else
- trtable[ch] = dest_states[j];
- }
- }
- else
- {
- /* We care about whether the following character is a word
- character, and we are in a multi-byte character set: discern
- by looking at the character code: build two 256-entry
- transition tables, one starting at trtable[0] and one
- starting at trtable[SBC_MAX]. */
- trtable = state->word_trtable =
- (re_dfastate_t **) calloc (sizeof (re_dfastate_t *), 2 * SBC_MAX);
- if (BE (trtable == NULL, 0))
- goto out_free;
-
- /* For all characters ch...: */
- for (i = 0; i < BITSET_WORDS; ++i)
- for (ch = i * BITSET_WORD_BITS, elem = acceptable[i], mask = 1;
- elem;
- mask <<= 1, elem >>= 1, ++ch)
- if (BE (elem & 1, 0))
- {
- /* There must be exactly one destination which accepts
- character ch. See group_nodes_into_DFAstates. */
- for (j = 0; (dests_ch[j][i] & mask) == 0; ++j)
- ;
-
- /* j-th destination accepts the word character ch. */
- trtable[ch] = dest_states[j];
- trtable[ch + SBC_MAX] = dest_states_word[j];
- }
- }
-
- /* new line */
- if (bitset_contain (acceptable, NEWLINE_CHAR))
- {
- /* The current state accepts newline character. */
- for (j = 0; j < ndests; ++j)
- if (bitset_contain (dests_ch[j], NEWLINE_CHAR))
- {
- /* k-th destination accepts newline character. */
- trtable[NEWLINE_CHAR] = dest_states_nl[j];
- if (need_word_trtable)
- trtable[NEWLINE_CHAR + SBC_MAX] = dest_states_nl[j];
- /* There must be only one destination which accepts
- newline. See group_nodes_into_DFAstates. */
- break;
- }
- }
-
- if (dest_states_malloced)
- free (dest_states);
-
- re_node_set_free (&follows);
- for (i = 0; i < ndests; ++i)
- re_node_set_free (dests_node + i);
-
- if (dests_node_malloced)
- free (dests_alloc);
-
- return 1;
-}
-
-/* Group all nodes belonging to STATE into several destinations.
- Then for all destinations, set the nodes belonging to the destination
- to DESTS_NODE[i] and set the characters accepted by the destination
- to DEST_CH[i]. This function return the number of destinations. */
-
-static int
-internal_function
-group_nodes_into_DFAstates (const re_dfa_t *dfa, const re_dfastate_t *state,
- re_node_set *dests_node, bitset_t *dests_ch)
-{
- reg_errcode_t err;
- int result;
- int i, j, k;
- int ndests; /* Number of the destinations from `state'. */
- bitset_t accepts; /* Characters a node can accept. */
- const re_node_set *cur_nodes = &state->nodes;
- bitset_empty (accepts);
- ndests = 0;
-
- /* For all the nodes belonging to `state', */
- for (i = 0; i < cur_nodes->nelem; ++i)
- {
- re_token_t *node = &dfa->nodes[cur_nodes->elems[i]];
- re_token_type_t type = node->type;
- unsigned int constraint = node->constraint;
-
- /* Enumerate all single byte character this node can accept. */
- if (type == CHARACTER)
- bitset_set (accepts, node->opr.c);
- else if (type == SIMPLE_BRACKET)
- {
- bitset_merge (accepts, node->opr.sbcset);
- }
- else if (type == OP_PERIOD)
- {
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- bitset_merge (accepts, dfa->sb_char);
- else
-#endif
- bitset_set_all (accepts);
- if (!(dfa->syntax & RE_DOT_NEWLINE))
- bitset_clear (accepts, '\n');
- if (dfa->syntax & RE_DOT_NOT_NULL)
- bitset_clear (accepts, '\0');
- }
-#ifdef RE_ENABLE_I18N
- else if (type == OP_UTF8_PERIOD)
- {
- memset (accepts, '\xff', sizeof (bitset_t) / 2);
- if (!(dfa->syntax & RE_DOT_NEWLINE))
- bitset_clear (accepts, '\n');
- if (dfa->syntax & RE_DOT_NOT_NULL)
- bitset_clear (accepts, '\0');
- }
-#endif
- else
- continue;
-
- /* Check the `accepts' and sift the characters which are not
- match it the context. */
- if (constraint)
- {
- if (constraint & NEXT_NEWLINE_CONSTRAINT)
- {
- bool accepts_newline = bitset_contain (accepts, NEWLINE_CHAR);
- bitset_empty (accepts);
- if (accepts_newline)
- bitset_set (accepts, NEWLINE_CHAR);
- else
- continue;
- }
- if (constraint & NEXT_ENDBUF_CONSTRAINT)
- {
- bitset_empty (accepts);
- continue;
- }
-
- if (constraint & NEXT_WORD_CONSTRAINT)
- {
- bitset_word_t any_set = 0;
- if (type == CHARACTER && !node->word_char)
- {
- bitset_empty (accepts);
- continue;
- }
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- for (j = 0; j < BITSET_WORDS; ++j)
- any_set |= (accepts[j] &= (dfa->word_char[j] | ~dfa->sb_char[j]));
- else
-#endif
- for (j = 0; j < BITSET_WORDS; ++j)
- any_set |= (accepts[j] &= dfa->word_char[j]);
- if (!any_set)
- continue;
- }
- if (constraint & NEXT_NOTWORD_CONSTRAINT)
- {
- bitset_word_t any_set = 0;
- if (type == CHARACTER && node->word_char)
- {
- bitset_empty (accepts);
- continue;
- }
-#ifdef RE_ENABLE_I18N
- if (dfa->mb_cur_max > 1)
- for (j = 0; j < BITSET_WORDS; ++j)
- any_set |= (accepts[j] &= ~(dfa->word_char[j] & dfa->sb_char[j]));
- else
-#endif
- for (j = 0; j < BITSET_WORDS; ++j)
- any_set |= (accepts[j] &= ~dfa->word_char[j]);
- if (!any_set)
- continue;
- }
- }
-
- /* Then divide `accepts' into DFA states, or create a new
- state. Above, we make sure that accepts is not empty. */
- for (j = 0; j < ndests; ++j)
- {
- bitset_t intersec; /* Intersection sets, see below. */
- bitset_t remains;
- /* Flags, see below. */
- bitset_word_t has_intersec, not_subset, not_consumed;
-
- /* Optimization, skip if this state doesn't accept the character. */
- if (type == CHARACTER && !bitset_contain (dests_ch[j], node->opr.c))
- continue;
-
- /* Enumerate the intersection set of this state and `accepts'. */
- has_intersec = 0;
- for (k = 0; k < BITSET_WORDS; ++k)
- has_intersec |= intersec[k] = accepts[k] & dests_ch[j][k];
- /* And skip if the intersection set is empty. */
- if (!has_intersec)
- continue;
-
- /* Then check if this state is a subset of `accepts'. */
- not_subset = not_consumed = 0;
- for (k = 0; k < BITSET_WORDS; ++k)
- {
- not_subset |= remains[k] = ~accepts[k] & dests_ch[j][k];
- not_consumed |= accepts[k] = accepts[k] & ~dests_ch[j][k];
- }
-
- /* If this state isn't a subset of `accepts', create a
- new group state, which has the `remains'. */
- if (not_subset)
- {
- bitset_copy (dests_ch[ndests], remains);
- bitset_copy (dests_ch[j], intersec);
- err = re_node_set_init_copy (dests_node + ndests, &dests_node[j]);
- if (BE (err != REG_NOERROR, 0))
- goto error_return;
- ++ndests;
- }
-
- /* Put the position in the current group. */
- result = re_node_set_insert (&dests_node[j], cur_nodes->elems[i]);
- if (BE (result < 0, 0))
- goto error_return;
-
- /* If all characters are consumed, go to next node. */
- if (!not_consumed)
- break;
- }
- /* Some characters remain, create a new group. */
- if (j == ndests)
- {
- bitset_copy (dests_ch[ndests], accepts);
- err = re_node_set_init_1 (dests_node + ndests, cur_nodes->elems[i]);
- if (BE (err != REG_NOERROR, 0))
- goto error_return;
- ++ndests;
- bitset_empty (accepts);
- }
- }
- return ndests;
- error_return:
- for (j = 0; j < ndests; ++j)
- re_node_set_free (dests_node + j);
- return -1;
-}
-
-#ifdef RE_ENABLE_I18N
-/* Check how many bytes the node `dfa->nodes[node_idx]' accepts.
- Return the number of the bytes the node accepts.
- STR_IDX is the current index of the input string.
-
- This function handles the nodes which can accept one character, or
- one collating element like '.', '[a-z]', opposite to the other nodes
- can only accept one byte. */
-
-static int
-internal_function
-check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
- const re_string_t *input, int str_idx)
-{
- const re_token_t *node = dfa->nodes + node_idx;
- int char_len, elem_len;
- int i;
- wint_t wc;
-
- if (BE (node->type == OP_UTF8_PERIOD, 0))
- {
- unsigned char c = re_string_byte_at (input, str_idx), d;
- if (BE (c < 0xc2, 1))
- return 0;
-
- if (str_idx + 2 > input->len)
- return 0;
-
- d = re_string_byte_at (input, str_idx + 1);
- if (c < 0xe0)
- return (d < 0x80 || d > 0xbf) ? 0 : 2;
- else if (c < 0xf0)
- {
- char_len = 3;
- if (c == 0xe0 && d < 0xa0)
- return 0;
- }
- else if (c < 0xf8)
- {
- char_len = 4;
- if (c == 0xf0 && d < 0x90)
- return 0;
- }
- else if (c < 0xfc)
- {
- char_len = 5;
- if (c == 0xf8 && d < 0x88)
- return 0;
- }
- else if (c < 0xfe)
- {
- char_len = 6;
- if (c == 0xfc && d < 0x84)
- return 0;
- }
- else
- return 0;
-
- if (str_idx + char_len > input->len)
- return 0;
-
- for (i = 1; i < char_len; ++i)
- {
- d = re_string_byte_at (input, str_idx + i);
- if (d < 0x80 || d > 0xbf)
- return 0;
- }
- return char_len;
- }
-
- char_len = re_string_char_size_at (input, str_idx);
- if (node->type == OP_PERIOD)
- {
- if (char_len <= 1)
- return 0;
- /* FIXME: I don't think this if is needed, as both '\n'
- and '\0' are char_len == 1. */
- /* '.' accepts any one character except the following two cases. */
- if ((!(dfa->syntax & RE_DOT_NEWLINE) &&
- re_string_byte_at (input, str_idx) == '\n') ||
- ((dfa->syntax & RE_DOT_NOT_NULL) &&
- re_string_byte_at (input, str_idx) == '\0'))
- return 0;
- return char_len;
- }
-
- elem_len = re_string_elem_size_at (input, str_idx);
- wc = __btowc(*(input->mbs+str_idx));
- if (((elem_len <= 1 && char_len <= 1) || char_len == 0) && (wc != WEOF && wc < SBC_MAX))
- return 0;
-
- if (node->type == COMPLEX_BRACKET)
- {
- const re_charset_t *cset = node->opr.mbcset;
-# ifdef _LIBC
- const unsigned char *pin
- = ((const unsigned char *) re_string_get_buffer (input) + str_idx);
- int j;
- uint32_t nrules;
-# endif /* _LIBC */
- int match_len = 0;
- wchar_t wc = ((cset->nranges || cset->nchar_classes || cset->nmbchars)
- ? re_string_wchar_at (input, str_idx) : 0);
-
- /* match with multibyte character? */
- for (i = 0; i < cset->nmbchars; ++i)
- if (wc == cset->mbchars[i])
- {
- match_len = char_len;
- goto check_node_accept_bytes_match;
- }
- /* match with character_class? */
- for (i = 0; i < cset->nchar_classes; ++i)
- {
- wctype_t wt = cset->char_classes[i];
- if (__iswctype (wc, wt))
- {
- match_len = char_len;
- goto check_node_accept_bytes_match;
- }
- }
-
-# ifdef _LIBC
- nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
- if (nrules != 0)
- {
- unsigned int in_collseq = 0;
- const int32_t *table, *indirect;
- const unsigned char *weights, *extra;
- const char *collseqwc;
- /* This #include defines a local function! */
-# include <locale/weight.h>
-
- /* match with collating_symbol? */
- if (cset->ncoll_syms)
- extra = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_SYMB_EXTRAMB);
- for (i = 0; i < cset->ncoll_syms; ++i)
- {
- const unsigned char *coll_sym = extra + cset->coll_syms[i];
- /* Compare the length of input collating element and
- the length of current collating element. */
- if (*coll_sym != elem_len)
- continue;
- /* Compare each bytes. */
- for (j = 0; j < *coll_sym; j++)
- if (pin[j] != coll_sym[1 + j])
- break;
- if (j == *coll_sym)
- {
- /* Match if every bytes is equal. */
- match_len = j;
- goto check_node_accept_bytes_match;
- }
- }
-
- if (cset->nranges)
- {
- if (elem_len <= char_len)
- {
- collseqwc = _NL_CURRENT (LC_COLLATE, _NL_COLLATE_COLLSEQWC);
- in_collseq = __collseq_table_lookup (collseqwc, wc);
- }
- else
- in_collseq = find_collation_sequence_value (pin, elem_len);
- }
- /* match with range expression? */
- for (i = 0; i < cset->nranges; ++i)
- if (cset->range_starts[i] <= in_collseq
- && in_collseq <= cset->range_ends[i])
- {
- match_len = elem_len;
- goto check_node_accept_bytes_match;
- }
-
- /* match with equivalence_class? */
- if (cset->nequiv_classes)
- {
- const unsigned char *cp = pin;
- table = (const int32_t *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
- weights = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_WEIGHTMB);
- extra = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
- indirect = (const int32_t *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_INDIRECTMB);
- int32_t idx = findidx (&cp);
- if (idx > 0)
- for (i = 0; i < cset->nequiv_classes; ++i)
- {
- int32_t equiv_class_idx = cset->equiv_classes[i];
- size_t weight_len = weights[idx & 0xffffff];
- if (weight_len == weights[equiv_class_idx & 0xffffff]
- && (idx >> 24) == (equiv_class_idx >> 24))
- {
- int cnt = 0;
-
- idx &= 0xffffff;
- equiv_class_idx &= 0xffffff;
-
- while (cnt <= weight_len
- && (weights[equiv_class_idx + 1 + cnt]
- == weights[idx + 1 + cnt]))
- ++cnt;
- if (cnt > weight_len)
- {
- match_len = elem_len;
- goto check_node_accept_bytes_match;
- }
- }
- }
- }
- }
- else
-# endif /* _LIBC */
- {
- /* match with range expression? */
-#if __GNUC__ >= 2
- wchar_t cmp_buf[] = {L'\0', L'\0', wc, L'\0', L'\0', L'\0'};
-#else
- wchar_t cmp_buf[] = {L'\0', L'\0', L'\0', L'\0', L'\0', L'\0'};
- cmp_buf[2] = wc;
-#endif
- for (i = 0; i < cset->nranges; ++i)
- {
- cmp_buf[0] = cset->range_starts[i];
- cmp_buf[4] = cset->range_ends[i];
- if (wcscoll (cmp_buf, cmp_buf + 2) <= 0
- && wcscoll (cmp_buf + 2, cmp_buf + 4) <= 0)
- {
- match_len = char_len;
- goto check_node_accept_bytes_match;
- }
- }
- }
- check_node_accept_bytes_match:
- if (!cset->non_match)
- return match_len;
- else
- {
- if (match_len > 0)
- return 0;
- else
- return (elem_len > char_len) ? elem_len : char_len;
- }
- }
- return 0;
-}
-
-# ifdef _LIBC
-static unsigned int
-internal_function
-find_collation_sequence_value (const unsigned char *mbs, size_t mbs_len)
-{
- uint32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
- if (nrules == 0)
- {
- if (mbs_len == 1)
- {
- /* No valid character. Match it as a single byte character. */
- const unsigned char *collseq = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_COLLSEQMB);
- return collseq[mbs[0]];
- }
- return UINT_MAX;
- }
- else
- {
- int32_t idx;
- const unsigned char *extra = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_SYMB_EXTRAMB);
- int32_t extrasize = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_SYMB_EXTRAMB + 1) - extra;
-
- for (idx = 0; idx < extrasize;)
- {
- int mbs_cnt, found = 0;
- int32_t elem_mbs_len;
- /* Skip the name of collating element name. */
- idx = idx + extra[idx] + 1;
- elem_mbs_len = extra[idx++];
- if (mbs_len == elem_mbs_len)
- {
- for (mbs_cnt = 0; mbs_cnt < elem_mbs_len; ++mbs_cnt)
- if (extra[idx + mbs_cnt] != mbs[mbs_cnt])
- break;
- if (mbs_cnt == elem_mbs_len)
- /* Found the entry. */
- found = 1;
- }
- /* Skip the byte sequence of the collating element. */
- idx += elem_mbs_len;
- /* Adjust for the alignment. */
- idx = (idx + 3) & ~3;
- /* Skip the collation sequence value. */
- idx += sizeof (uint32_t);
- /* Skip the wide char sequence of the collating element. */
- idx = idx + sizeof (uint32_t) * (extra[idx] + 1);
- /* If we found the entry, return the sequence value. */
- if (found)
- return *(uint32_t *) (extra + idx);
- /* Skip the collation sequence value. */
- idx += sizeof (uint32_t);
- }
- return UINT_MAX;
- }
-}
-# endif /* _LIBC */
-#endif /* RE_ENABLE_I18N */
-
-/* Check whether the node accepts the byte which is IDX-th
- byte of the INPUT. */
-
-static int
-internal_function
-check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
- int idx)
-{
- unsigned char ch;
- ch = re_string_byte_at (&mctx->input, idx);
- switch (node->type)
- {
- case CHARACTER:
- if (node->opr.c != ch)
- return 0;
- break;
-
- case SIMPLE_BRACKET:
- if (!bitset_contain (node->opr.sbcset, ch))
- return 0;
- break;
-
-#ifdef RE_ENABLE_I18N
- case OP_UTF8_PERIOD:
- if (ch >= 0x80)
- return 0;
- /* FALLTHROUGH */
-#endif
- case OP_PERIOD:
- if ((ch == '\n' && !(mctx->dfa->syntax & RE_DOT_NEWLINE))
- || (ch == '\0' && (mctx->dfa->syntax & RE_DOT_NOT_NULL)))
- return 0;
- break;
-
- default:
- return 0;
- }
-
- if (node->constraint)
- {
- /* The node has constraints. Check whether the current context
- satisfies the constraints. */
- unsigned int context = re_string_context_at (&mctx->input, idx,
- mctx->eflags);
- if (NOT_SATISFY_NEXT_CONSTRAINT (node->constraint, context))
- return 0;
- }
-
- return 1;
-}
-
-/* Extend the buffers, if the buffers have run out. */
-
-static reg_errcode_t
-internal_function
-extend_buffers (re_match_context_t *mctx)
-{
- reg_errcode_t ret;
- re_string_t *pstr = &mctx->input;
-
- /* Avoid overflow. */
- if (BE (INT_MAX / 2 / sizeof (re_dfastate_t *) <= (size_t)pstr->bufs_len, 0))
- return REG_ESPACE;
-
- /* Double the lengthes of the buffers. */
- ret = re_string_realloc_buffers (pstr, pstr->bufs_len * 2);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
-
- if (mctx->state_log != NULL)
- {
- /* And double the length of state_log. */
- /* XXX We have no indication of the size of this buffer. If this
- allocation fail we have no indication that the state_log array
- does not have the right size. */
- re_dfastate_t **new_array = re_realloc (mctx->state_log, re_dfastate_t *,
- pstr->bufs_len + 1);
- if (BE (new_array == NULL, 0))
- return REG_ESPACE;
- mctx->state_log = new_array;
- }
-
- /* Then reconstruct the buffers. */
- if (pstr->icase)
- {
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1)
- {
- ret = build_wcs_upper_buffer (pstr);
- if (BE (ret != REG_NOERROR, 0))
- return ret;
- }
- else
-#endif /* RE_ENABLE_I18N */
- build_upper_buffer (pstr);
- }
- else
- {
-#ifdef RE_ENABLE_I18N
- if (pstr->mb_cur_max > 1)
- build_wcs_buffer (pstr);
- else
-#endif /* RE_ENABLE_I18N */
- {
- if (pstr->trans != NULL)
- re_string_translate_buffer (pstr);
- }
- }
- return REG_NOERROR;
-}
-
-
-/* Functions for matching context. */
-
-/* Initialize MCTX. */
-
-static reg_errcode_t
-internal_function
-match_ctx_init (re_match_context_t *mctx, int eflags, int n)
-{
- mctx->eflags = eflags;
- mctx->match_last = -1;
- if (n > 0)
- {
- mctx->bkref_ents = re_malloc (struct re_backref_cache_entry, n);
- mctx->sub_tops = re_malloc (re_sub_match_top_t *, n);
- if (BE (mctx->bkref_ents == NULL || mctx->sub_tops == NULL, 0))
- return REG_ESPACE;
- }
- /* Already zero-ed by the caller.
- else
- mctx->bkref_ents = NULL;
- mctx->nbkref_ents = 0;
- mctx->nsub_tops = 0; */
- mctx->abkref_ents = n;
- mctx->max_mb_elem_len = 1;
- mctx->asub_tops = n;
- return REG_NOERROR;
-}
-
-/* Clean the entries which depend on the current input in MCTX.
- This function must be invoked when the matcher changes the start index
- of the input, or changes the input string. */
-
-static void
-internal_function
-match_ctx_clean (re_match_context_t *mctx)
-{
- int st_idx;
- for (st_idx = 0; st_idx < mctx->nsub_tops; ++st_idx)
- {
- int sl_idx;
- re_sub_match_top_t *top = mctx->sub_tops[st_idx];
- for (sl_idx = 0; sl_idx < top->nlasts; ++sl_idx)
- {
- re_sub_match_last_t *last = top->lasts[sl_idx];
- re_free (last->path.array);
- re_free (last);
- }
- re_free (top->lasts);
- if (top->path)
- {
- re_free (top->path->array);
- re_free (top->path);
- }
- free (top);
- }
-
- mctx->nsub_tops = 0;
- mctx->nbkref_ents = 0;
-}
-
-/* Free all the memory associated with MCTX. */
-
-static void
-internal_function
-match_ctx_free (re_match_context_t *mctx)
-{
- /* First, free all the memory associated with MCTX->SUB_TOPS. */
- match_ctx_clean (mctx);
- re_free (mctx->sub_tops);
- re_free (mctx->bkref_ents);
-}
-
-/* Add a new backreference entry to MCTX.
- Note that we assume that caller never call this function with duplicate
- entry, and call with STR_IDX which isn't smaller than any existing entry.
-*/
-
-static reg_errcode_t
-internal_function
-match_ctx_add_entry (re_match_context_t *mctx, int node, int str_idx, int from,
- int to)
-{
- if (mctx->nbkref_ents >= mctx->abkref_ents)
- {
- struct re_backref_cache_entry* new_entry;
- new_entry = re_realloc (mctx->bkref_ents, struct re_backref_cache_entry,
- mctx->abkref_ents * 2);
- if (BE (new_entry == NULL, 0))
- {
- re_free (mctx->bkref_ents);
- return REG_ESPACE;
- }
- mctx->bkref_ents = new_entry;
- memset (mctx->bkref_ents + mctx->nbkref_ents, '\0',
- sizeof (struct re_backref_cache_entry) * mctx->abkref_ents);
- mctx->abkref_ents *= 2;
- }
- if (mctx->nbkref_ents > 0
- && mctx->bkref_ents[mctx->nbkref_ents - 1].str_idx == str_idx)
- mctx->bkref_ents[mctx->nbkref_ents - 1].more = 1;
-
- mctx->bkref_ents[mctx->nbkref_ents].node = node;
- mctx->bkref_ents[mctx->nbkref_ents].str_idx = str_idx;
- mctx->bkref_ents[mctx->nbkref_ents].subexp_from = from;
- mctx->bkref_ents[mctx->nbkref_ents].subexp_to = to;
-
- /* This is a cache that saves negative results of check_dst_limits_calc_pos.
- If bit N is clear, means that this entry won't epsilon-transition to
- an OP_OPEN_SUBEXP or OP_CLOSE_SUBEXP for the N+1-th subexpression. If
- it is set, check_dst_limits_calc_pos_1 will recurse and try to find one
- such node.
-
- A backreference does not epsilon-transition unless it is empty, so set
- to all zeros if FROM != TO. */
- mctx->bkref_ents[mctx->nbkref_ents].eps_reachable_subexps_map
- = (from == to ? ~0 : 0);
-
- mctx->bkref_ents[mctx->nbkref_ents++].more = 0;
- if (mctx->max_mb_elem_len < to - from)
- mctx->max_mb_elem_len = to - from;
- return REG_NOERROR;
-}
-
-/* Search for the first entry which has the same str_idx, or -1 if none is
- found. Note that MCTX->BKREF_ENTS is already sorted by MCTX->STR_IDX. */
-
-static int
-internal_function
-search_cur_bkref_entry (const re_match_context_t *mctx, int str_idx)
-{
- int left, right, mid, last;
- last = right = mctx->nbkref_ents;
- for (left = 0; left < right;)
- {
- mid = (left + right) / 2;
- if (mctx->bkref_ents[mid].str_idx < str_idx)
- left = mid + 1;
- else
- right = mid;
- }
- if (left < last && mctx->bkref_ents[left].str_idx == str_idx)
- return left;
- else
- return -1;
-}
-
-/* Register the node NODE, whose type is OP_OPEN_SUBEXP, and which matches
- at STR_IDX. */
-
-static reg_errcode_t
-internal_function
-match_ctx_add_subtop (re_match_context_t *mctx, int node, int str_idx)
-{
-#ifdef DEBUG
- assert (mctx->sub_tops != NULL);
- assert (mctx->asub_tops > 0);
-#endif
- if (BE (mctx->nsub_tops == mctx->asub_tops, 0))
- {
- int new_asub_tops = mctx->asub_tops * 2;
- re_sub_match_top_t **new_array = re_realloc (mctx->sub_tops,
- re_sub_match_top_t *,
- new_asub_tops);
- if (BE (new_array == NULL, 0))
- return REG_ESPACE;
- mctx->sub_tops = new_array;
- mctx->asub_tops = new_asub_tops;
- }
- mctx->sub_tops[mctx->nsub_tops] = calloc (1, sizeof (re_sub_match_top_t));
- if (BE (mctx->sub_tops[mctx->nsub_tops] == NULL, 0))
- return REG_ESPACE;
- mctx->sub_tops[mctx->nsub_tops]->node = node;
- mctx->sub_tops[mctx->nsub_tops++]->str_idx = str_idx;
- return REG_NOERROR;
-}
-
-/* Register the node NODE, whose type is OP_CLOSE_SUBEXP, and which matches
- at STR_IDX, whose corresponding OP_OPEN_SUBEXP is SUB_TOP. */
-
-static re_sub_match_last_t *
-internal_function
-match_ctx_add_sublast (re_sub_match_top_t *subtop, int node, int str_idx)
-{
- re_sub_match_last_t *new_entry;
- if (BE (subtop->nlasts == subtop->alasts, 0))
- {
- int new_alasts = 2 * subtop->alasts + 1;
- re_sub_match_last_t **new_array = re_realloc (subtop->lasts,
- re_sub_match_last_t *,
- new_alasts);
- if (BE (new_array == NULL, 0))
- return NULL;
- subtop->lasts = new_array;
- subtop->alasts = new_alasts;
- }
- new_entry = calloc (1, sizeof (re_sub_match_last_t));
- if (BE (new_entry != NULL, 1))
- {
- subtop->lasts[subtop->nlasts] = new_entry;
- new_entry->node = node;
- new_entry->str_idx = str_idx;
- ++subtop->nlasts;
- }
- return new_entry;
-}
-
-static void
-internal_function
-sift_ctx_init (re_sift_context_t *sctx, re_dfastate_t **sifted_sts,
- re_dfastate_t **limited_sts, int last_node, int last_str_idx)
-{
- sctx->sifted_states = sifted_sts;
- sctx->limited_states = limited_sts;
- sctx->last_node = last_node;
- sctx->last_str_idx = last_str_idx;
- re_node_set_init_empty (&sctx->limits);
-}
diff --git a/fuzzers/CMakeLists.txt b/fuzzers/CMakeLists.txt
index ea06123..1c03aa9 100644
--- a/fuzzers/CMakeLists.txt
+++ b/fuzzers/CMakeLists.txt
@@ -1,5 +1,6 @@
LINK_DIRECTORIES(${LIBGIT2_LIBDIRS})
INCLUDE_DIRECTORIES(${LIBGIT2_INCLUDES})
+INCLUDE_DIRECTORIES(SYSTEM ${LIBGIT2_SYSTEM_INCLUDES})
IF(BUILD_FUZZERS AND NOT USE_STANDALONE_FUZZERS)
ADD_C_FLAG(-fsanitize=fuzzer)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 00021b8..bf51c45 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -48,23 +48,6 @@ IF (ENABLE_TRACE STREQUAL "ON")
ENDIF()
ADD_FEATURE_INFO(tracing GIT_TRACE "tracing support")
-# Use `regcomp_l` if available
-CHECK_SYMBOL_EXISTS(regcomp_l "regex.h;xlocale.h" HAVE_REGCOMP_L)
-IF (HAVE_REGCOMP_L)
- SET(GIT_USE_REGCOMP_L 1)
-ENDIF ()
-
-# Otherwise, we either want to use system's `regcomp` or our
-# bundled regcomp code, if system doesn't provide `regcomp`.
-IF(NOT HAVE_REGCOMP_L)
- CHECK_FUNCTION_EXISTS(regcomp HAVE_REGCOMP)
- IF(NOT HAVE_REGCOMP)
- ADD_SUBDIRECTORY("${libgit2_SOURCE_DIR}/deps/regex" "${libgit2_BINARY_DIR}/deps/regex")
- LIST(APPEND LIBGIT2_INCLUDES "${libgit2_SOURCE_DIR}/deps/regex")
- LIST(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:regex>)
- ENDIF()
-ENDIF()
-
CHECK_FUNCTION_EXISTS(futimens HAVE_FUTIMENS)
IF (HAVE_FUTIMENS)
SET(GIT_USE_FUTIMENS 1)
@@ -306,6 +289,56 @@ ELSE()
MESSAGE(FATAL_ERROR "Asked for unknown SHA1 backend ${SHA1_BACKEND}")
ENDIF()
+# Specify regular expression implementation
+FIND_PACKAGE(PCRE)
+
+IF(REGEX_BACKEND STREQUAL "")
+ CHECK_SYMBOL_EXISTS(regcomp_l "regex.h;xlocale.h" HAVE_REGCOMP_L)
+
+ IF(HAVE_REGCOMP_L)
+ SET(REGEX_BACKEND "regcomp_l")
+ ELSEIF(PCRE_FOUND)
+ SET(REGEX_BACKEND "pcre")
+ ELSE()
+ SET(REGEX_BACKEND "builtin")
+ ENDIF()
+ENDIF()
+
+IF(REGEX_BACKEND STREQUAL "regcomp_l")
+ ADD_FEATURE_INFO(regex ON "using system regcomp_l")
+ SET(GIT_REGEX_REGCOMP_L 1)
+ELSEIF(REGEX_BACKEND STREQUAL "pcre2")
+ FIND_PACKAGE(PCRE2)
+
+ IF(NOT PCRE2_FOUND)
+ MESSAGE(FATAL_ERROR "PCRE2 support was requested but not found")
+ ENDIF()
+
+ ADD_FEATURE_INFO(regex ON "using system PCRE2")
+ SET(GIT_REGEX_PCRE2 1)
+
+ LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${PCRE2_INCLUDE_DIRS})
+ LIST(APPEND LIBGIT2_LIBS ${PCRE2_LIBRARIES})
+ELSEIF(REGEX_BACKEND STREQUAL "pcre")
+ ADD_FEATURE_INFO(regex ON "using system PCRE")
+ SET(GIT_REGEX_PCRE 1)
+
+ LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${PCRE_INCLUDE_DIRS})
+ LIST(APPEND LIBGIT2_LIBS ${PCRE_LIBRARIES})
+ELSEIF(REGEX_BACKEND STREQUAL "regcomp")
+ ADD_FEATURE_INFO(regex ON "using system regcomp")
+ SET(GIT_REGEX_REGCOMP 1)
+ELSEIF(REGEX_BACKEND STREQUAL "builtin")
+ ADD_FEATURE_INFO(regex ON "using bundled PCRE")
+ SET(GIT_REGEX_BUILTIN 1)
+
+ ADD_SUBDIRECTORY("${libgit2_SOURCE_DIR}/deps/pcre" "${libgit2_BINARY_DIR}/deps/pcre")
+ LIST(APPEND LIBGIT2_INCLUDES "${libgit2_SOURCE_DIR}/deps/pcre")
+ LIST(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:pcre>)
+ELSE()
+ MESSAGE(FATAL_ERROR "The REGEX_BACKEND option provided is not supported")
+ENDIF()
+
# Optional external dependency: http-parser
FIND_PACKAGE(HTTP_Parser)
IF (USE_EXT_HTTP_PARSER AND HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
diff --git a/src/common.h b/src/common.h
index 18ba72d..8a5761a 100644
--- a/src/common.h
+++ b/src/common.h
@@ -47,6 +47,7 @@
# include <ws2tcpip.h>
# include "win32/msvc-compat.h"
# include "win32/mingw-compat.h"
+# include "win32/w32_common.h"
# include "win32/win32-compat.h"
# include "win32/error.h"
# include "win32/version.h"
@@ -76,6 +77,7 @@
#include "git2/types.h"
#include "git2/errors.h"
+#include "errors.h"
#include "thread-utils.h"
#include "integer.h"
@@ -85,7 +87,8 @@
*/
#include "git2/deprecated.h"
-#include <regex.h>
+#include "posix.h"
+#include "posix_regex.h"
#define DEFAULT_BUFSIZE 65536
#define FILEIO_BUFSIZE DEFAULT_BUFSIZE
@@ -109,80 +112,6 @@
do { int _err = (code); if (_err) return _err; } while (0)
/**
- * Set the error message for this thread, formatting as needed.
- */
-
-void git_error_set(int error_class, const char *string, ...) GIT_FORMAT_PRINTF(2, 3);
-
-/**
- * Set the error message for a regex failure, using the internal regex
- * error code lookup and return a libgit error code.
- */
-int git_error_set_regex(const regex_t *regex, int error_code);
-
-/**
- * Set error message for user callback if needed.
- *
- * If the error code in non-zero and no error message is set, this
- * sets a generic error message.
- *
- * @return This always returns the `error_code` parameter.
- */
-GIT_INLINE(int) git_error_set_after_callback_function(
- int error_code, const char *action)
-{
- if (error_code) {
- const git_error *e = git_error_last();
- if (!e || !e->message)
- git_error_set(e ? e->klass : GIT_ERROR_CALLBACK,
- "%s callback returned %d", action, error_code);
- }
- return error_code;
-}
-
-#ifdef GIT_WIN32
-#define git_error_set_after_callback(code) \
- git_error_set_after_callback_function((code), __FUNCTION__)
-#else
-#define git_error_set_after_callback(code) \
- git_error_set_after_callback_function((code), __func__)
-#endif
-
-/**
- * Gets the system error code for this thread.
- */
-int git_error_system_last(void);
-
-/**
- * Sets the system error code for this thread.
- */
-void git_error_system_set(int code);
-
-/**
- * Structure to preserve libgit2 error state
- */
-typedef struct {
- int error_code;
- unsigned int oom : 1;
- git_error error_msg;
-} git_error_state;
-
-/**
- * Capture current error state to restore later, returning error code.
- * If `error_code` is zero, this does not clear the current error state.
- * You must either restore this error state, or free it.
- */
-extern int git_error_state_capture(git_error_state *state, int error_code);
-
-/**
- * Restore error state to a previous value, returning saved error code.
- */
-extern int git_error_state_restore(git_error_state *state);
-
-/** Free an error state. */
-extern void git_error_state_free(git_error_state *state);
-
-/**
* Check a versioned structure for validity
*/
GIT_INLINE(int) git_error__check_version(const void *structure, unsigned int expected_max, const char *name)
diff --git a/src/config.c b/src/config.c
index fce1aad..5519fe1 100644
--- a/src/config.c
+++ b/src/config.c
@@ -345,7 +345,7 @@ typedef struct {
git_config_iterator parent;
git_config_iterator *current;
const git_config *cfg;
- regex_t regex;
+ p_regex_t regex;
size_t i;
} all_iter;
@@ -423,7 +423,7 @@ static int all_iter_glob_next(git_config_entry **entry, git_config_iterator *_it
*/
while ((error = all_iter_next(entry, _iter)) == 0) {
/* skip non-matching keys if regexp was provided */
- if (regexec(&iter->regex, (*entry)->name, 0, NULL, 0) != 0)
+ if (p_regexec(&iter->regex, (*entry)->name, 0, NULL, 0) != 0)
continue;
/* and simply return if we like the entry's name */
@@ -447,7 +447,7 @@ static void all_iter_glob_free(git_config_iterator *_iter)
{
all_iter *iter = (all_iter *) _iter;
- regfree(&iter->regex);
+ p_regfree(&iter->regex);
all_iter_free(_iter);
}
@@ -480,7 +480,7 @@ int git_config_iterator_glob_new(git_config_iterator **out, const git_config *cf
iter = git__calloc(1, sizeof(all_iter));
GIT_ERROR_CHECK_ALLOC(iter);
- if ((result = p_regcomp(&iter->regex, regexp, REG_EXTENDED)) != 0) {
+ if ((result = p_regcomp(&iter->regex, regexp, P_REG_EXTENDED)) != 0) {
git_error_set_regex(&iter->regex, result);
git__free(iter);
return -1;
@@ -510,15 +510,15 @@ int git_config_backend_foreach_match(
{
git_config_entry *entry;
git_config_iterator* iter;
- regex_t regex;
+ p_regex_t regex;
int error = 0;
assert(backend && cb);
if (regexp != NULL) {
- if ((error = p_regcomp(®ex, regexp, REG_EXTENDED)) != 0) {
+ if ((error = p_regcomp(®ex, regexp, P_REG_EXTENDED)) != 0) {
git_error_set_regex(®ex, error);
- regfree(®ex);
+ p_regfree(®ex);
return -1;
}
}
@@ -530,7 +530,7 @@ int git_config_backend_foreach_match(
while (!(iter->next(&entry, iter) < 0)) {
/* skip non-matching keys if regexp was provided */
- if (regexp && regexec(®ex, entry->name, 0, NULL, 0) != 0)
+ if (regexp && p_regexec(®ex, entry->name, 0, NULL, 0) != 0)
continue;
/* abort iterator on non-zero return value */
@@ -541,7 +541,7 @@ int git_config_backend_foreach_match(
}
if (regexp != NULL)
- regfree(®ex);
+ p_regfree(®ex);
iter->free(iter);
@@ -981,7 +981,7 @@ typedef struct {
git_config_iterator parent;
git_config_iterator *iter;
char *name;
- regex_t regex;
+ p_regex_t regex;
int have_regex;
} multivar_iter;
@@ -997,7 +997,7 @@ static int multivar_iter_next(git_config_entry **entry, git_config_iterator *_it
if (!iter->have_regex)
return 0;
- if (regexec(&iter->regex, (*entry)->value, 0, NULL, 0) == 0)
+ if (p_regexec(&iter->regex, (*entry)->value, 0, NULL, 0) == 0)
return 0;
}
@@ -1012,7 +1012,7 @@ void multivar_iter_free(git_config_iterator *_iter)
git__free(iter->name);
if (iter->have_regex)
- regfree(&iter->regex);
+ p_regfree(&iter->regex);
git__free(iter);
}
@@ -1032,11 +1032,11 @@ int git_config_multivar_iterator_new(git_config_iterator **out, const git_config
goto on_error;
if (regexp != NULL) {
- error = p_regcomp(&iter->regex, regexp, REG_EXTENDED);
+ error = p_regcomp(&iter->regex, regexp, P_REG_EXTENDED);
if (error != 0) {
git_error_set_regex(&iter->regex, error);
error = -1;
- regfree(&iter->regex);
+ p_regfree(&iter->regex);
goto on_error;
}
diff --git a/src/config_file.c b/src/config_file.c
index 48a9a26..7162058 100644
--- a/src/config_file.c
+++ b/src/config_file.c
@@ -21,7 +21,6 @@
#include <ctype.h>
#include <sys/types.h>
-#include <regex.h>
/* Max depth for [include] directives */
#define MAX_INCLUDE_DEPTH 10
@@ -62,7 +61,7 @@ typedef struct {
} diskfile_parse_state;
static int config_read(git_config_entries *entries, const git_repository *repo, git_config_file *file, git_config_level_t level, int depth);
-static int config_write(diskfile_backend *cfg, const char *orig_key, const char *key, const regex_t *preg, const char *value);
+static int config_write(diskfile_backend *cfg, const char *orig_key, const char *key, const p_regex_t *preg, const char *value);
static char *escape_value(const char *ptr);
static int config_snapshot(git_config_backend **out, git_config_backend *in);
@@ -329,7 +328,7 @@ static int config_set_multivar(
{
diskfile_backend *b = (diskfile_backend *)cfg;
char *key;
- regex_t preg;
+ p_regex_t preg;
int result;
assert(regexp);
@@ -337,7 +336,7 @@ static int config_set_multivar(
if ((result = git_config__normalize_name(name, &key)) < 0)
return result;
- result = p_regcomp(&preg, regexp, REG_EXTENDED);
+ result = p_regcomp(&preg, regexp, P_REG_EXTENDED);
if (result != 0) {
git_error_set_regex(&preg, result);
result = -1;
@@ -352,7 +351,7 @@ static int config_set_multivar(
out:
git__free(key);
- regfree(&preg);
+ p_regfree(&preg);
return result;
}
@@ -395,7 +394,7 @@ static int config_delete_multivar(git_config_backend *cfg, const char *name, con
diskfile_backend *b = (diskfile_backend *)cfg;
git_config_entries *entries = NULL;
git_config_entry *entry = NULL;
- regex_t preg = { 0 };
+ p_regex_t preg = { 0 };
char *key = NULL;
int result;
@@ -413,7 +412,7 @@ static int config_delete_multivar(git_config_backend *cfg, const char *name, con
goto out;
}
- if ((result = p_regcomp(&preg, regexp, REG_EXTENDED)) != 0) {
+ if ((result = p_regcomp(&preg, regexp, P_REG_EXTENDED)) != 0) {
git_error_set_regex(&preg, result);
result = -1;
goto out;
@@ -428,7 +427,7 @@ static int config_delete_multivar(git_config_backend *cfg, const char *name, con
out:
git_config_entries_free(entries);
git__free(key);
- regfree(&preg);
+ p_regfree(&preg);
return result;
}
@@ -954,7 +953,7 @@ struct write_data {
const char *section;
const char *orig_name;
const char *name;
- const regex_t *preg;
+ const p_regex_t *preg;
const char *value;
};
@@ -1059,7 +1058,7 @@ static int write_on_variable(
/* If we have a regex to match the value, see if it matches */
if (has_matched && write_data->preg != NULL)
- has_matched = (regexec(write_data->preg, var_value, 0, NULL, 0) == 0);
+ has_matched = (p_regexec(write_data->preg, var_value, 0, NULL, 0) == 0);
/* If this isn't the name/value we're looking for, simply dump the
* existing data back out and continue on.
@@ -1120,7 +1119,7 @@ static int write_on_eof(
/*
* This is pretty much the parsing, except we write out anything we don't have
*/
-static int config_write(diskfile_backend *cfg, const char *orig_key, const char *key, const regex_t *preg, const char* value)
+static int config_write(diskfile_backend *cfg, const char *orig_key, const char *key, const p_regex_t *preg, const char* value)
{
int result;
char *orig_section, *section, *orig_name, *name, *ldot;
diff --git a/src/diff_driver.c b/src/diff_driver.c
index 959cf62..740b5c9 100644
--- a/src/diff_driver.c
+++ b/src/diff_driver.c
@@ -9,6 +9,7 @@
#include "git2/attr.h"
+#include "common.h"
#include "diff.h"
#include "strmap.h"
#include "map.h"
@@ -24,7 +25,7 @@ typedef enum {
} git_diff_driver_t;
typedef struct {
- regex_t re;
+ p_regex_t re;
int flags;
} git_diff_driver_pattern;
@@ -38,7 +39,7 @@ struct git_diff_driver {
uint32_t binary_flags;
uint32_t other_flags;
git_array_t(git_diff_driver_pattern) fn_patterns;
- regex_t word_pattern;
+ p_regex_t word_pattern;
char name[GIT_FLEX_ARRAY];
};
@@ -129,7 +130,7 @@ static int diff_driver_add_patterns(
static int diff_driver_xfuncname(const git_config_entry *entry, void *payload)
{
- return diff_driver_add_patterns(payload, entry->value, REG_EXTENDED);
+ return diff_driver_add_patterns(payload, entry->value, P_REG_EXTENDED);
}
static int diff_driver_funcname(const git_config_entry *entry, void *payload)
@@ -204,12 +205,12 @@ static int git_diff_driver_builtin(
if (ddef->fns &&
(error = diff_driver_add_patterns(
- drv, ddef->fns, ddef->flags | REG_EXTENDED)) < 0)
+ drv, ddef->fns, ddef->flags | P_REG_EXTENDED)) < 0)
goto done;
if (ddef->words &&
(error = p_regcomp(
- &drv->word_pattern, ddef->words, ddef->flags | REG_EXTENDED)))
+ &drv->word_pattern, ddef->words, ddef->flags | P_REG_EXTENDED)))
{
error = git_error_set_regex(&drv->word_pattern, error);
goto done;
@@ -280,7 +281,9 @@ static int git_diff_driver_load(
/* TODO: warn if diff.<name>.command or diff.<name>.textconv are set */
git_buf_truncate(&name, namelen + strlen("diff.."));
- git_buf_put(&name, "xfuncname", strlen("xfuncname"));
+ if ((error = git_buf_PUTS(&name, "xfuncname")) < 0)
+ goto done;
+
if ((error = git_config_get_multivar_foreach(
cfg, name.ptr, NULL, diff_driver_xfuncname, drv)) < 0) {
if (error != GIT_ENOTFOUND)
@@ -289,7 +292,9 @@ static int git_diff_driver_load(
}
git_buf_truncate(&name, namelen + strlen("diff.."));
- git_buf_put(&name, "funcname", strlen("funcname"));
+ if ((error = git_buf_PUTS(&name, "funcname")) < 0)
+ goto done;
+
if ((error = git_config_get_multivar_foreach(
cfg, name.ptr, NULL, diff_driver_funcname, drv)) < 0) {
if (error != GIT_ENOTFOUND)
@@ -304,12 +309,14 @@ static int git_diff_driver_load(
}
git_buf_truncate(&name, namelen + strlen("diff.."));
- git_buf_put(&name, "wordregex", strlen("wordregex"));
+ if ((error = git_buf_PUTS(&name, "wordregex")) < 0)
+ goto done;
+
if ((error = git_config__lookup_entry(&ce, cfg, name.ptr, false)) < 0)
goto done;
if (!ce || !ce->value)
/* no diff.<driver>.wordregex, so just continue */;
- else if (!(error = p_regcomp(&drv->word_pattern, ce->value, REG_EXTENDED)))
+ else if (!(error = p_regcomp(&drv->word_pattern, ce->value, P_REG_EXTENDED)))
found_driver = true;
else {
/* TODO: warn about bad regex instead of failure */
@@ -393,10 +400,10 @@ void git_diff_driver_free(git_diff_driver *driver)
return;
for (i = 0; i < git_array_size(driver->fn_patterns); ++i)
- regfree(& git_array_get(driver->fn_patterns, i)->re);
+ p_regfree(& git_array_get(driver->fn_patterns, i)->re);
git_array_clear(driver->fn_patterns);
- regfree(&driver->word_pattern);
+ p_regfree(&driver->word_pattern);
git__free(driver);
}
@@ -444,12 +451,12 @@ static int diff_context_line__pattern_match(
git_diff_driver *driver, git_buf *line)
{
size_t i, maxi = git_array_size(driver->fn_patterns);
- regmatch_t pmatch[2];
+ p_regmatch_t pmatch[2];
for (i = 0; i < maxi; ++i) {
git_diff_driver_pattern *pat = git_array_get(driver->fn_patterns, i);
- if (!regexec(&pat->re, line->ptr, 2, pmatch, 0)) {
+ if (!p_regexec(&pat->re, line->ptr, 2, pmatch, 0)) {
if (pat->flags & REG_NEGATE)
return false;
diff --git a/src/errors.c b/src/errors.c
index afa3409..8ef4919 100644
--- a/src/errors.c
+++ b/src/errors.c
@@ -105,16 +105,16 @@ void git_error_set_str(int error_class, const char *string)
set_error_from_buffer(error_class);
}
-int git_error_set_regex(const regex_t *regex, int error_code)
+int git_error_set_regex(const p_regex_t *regex, int error_code)
{
char error_buf[1024];
assert(error_code);
- regerror(error_code, regex, error_buf, sizeof(error_buf));
+ p_regerror(error_code, regex, error_buf, sizeof(error_buf));
git_error_set_str(GIT_ERROR_REGEX, error_buf);
- if (error_code == REG_NOMATCH)
+ if (error_code == P_REG_NOMATCH)
return GIT_ENOTFOUND;
return GIT_EINVALIDSPEC;
diff --git a/src/errors.h b/src/errors.h
new file mode 100644
index 0000000..f2af1e3
--- /dev/null
+++ b/src/errors.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#ifndef INCLUDE_errors_h__
+#define INCLUDE_errors_h__
+
+#include "posix_regex.h"
+#include "common.h"
+
+/*
+ * Set the error message for this thread, formatting as needed.
+ */
+
+void git_error_set(int error_class, const char *string, ...) GIT_FORMAT_PRINTF(2, 3);
+
+/**
+ * Set the error message for a regex failure, using the internal regex
+ * error code lookup and return a libgit error code.
+ */
+int git_error_set_regex(const p_regex_t *regex, int error_code);
+
+/**
+ * Set error message for user callback if needed.
+ *
+ * If the error code in non-zero and no error message is set, this
+ * sets a generic error message.
+ *
+ * @return This always returns the `error_code` parameter.
+ */
+GIT_INLINE(int) git_error_set_after_callback_function(
+ int error_code, const char *action)
+{
+ if (error_code) {
+ const git_error *e = git_error_last();
+ if (!e || !e->message)
+ git_error_set(e ? e->klass : GIT_ERROR_CALLBACK,
+ "%s callback returned %d", action, error_code);
+ }
+ return error_code;
+}
+
+#ifdef GIT_WIN32
+#define git_error_set_after_callback(code) \
+ git_error_set_after_callback_function((code), __FUNCTION__)
+#else
+#define git_error_set_after_callback(code) \
+ git_error_set_after_callback_function((code), __func__)
+#endif
+
+/**
+ * Gets the system error code for this thread.
+ */
+int git_error_system_last(void);
+
+/**
+ * Sets the system error code for this thread.
+ */
+void git_error_system_set(int code);
+
+/**
+ * Structure to preserve libgit2 error state
+ */
+typedef struct {
+ int error_code;
+ unsigned int oom : 1;
+ git_error error_msg;
+} git_error_state;
+
+/**
+ * Capture current error state to restore later, returning error code.
+ * If `error_code` is zero, this does not clear the current error state.
+ * You must either restore this error state, or free it.
+ */
+extern int git_error_state_capture(git_error_state *state, int error_code);
+
+/**
+ * Restore error state to a previous value, returning saved error code.
+ */
+extern int git_error_state_restore(git_error_state *state);
+
+/** Free an error state. */
+extern void git_error_state_free(git_error_state *state);
+
+#endif
diff --git a/src/features.h.in b/src/features.h.in
index 694a61c..4090fad 100644
--- a/src/features.h.in
+++ b/src/features.h.in
@@ -15,7 +15,12 @@
#cmakedefine GIT_USE_STAT_MTIMESPEC 1
#cmakedefine GIT_USE_STAT_MTIME_NSEC 1
#cmakedefine GIT_USE_FUTIMENS 1
-#cmakedefine GIT_USE_REGCOMP_L 1
+
+#cmakedefine GIT_REGEX_REGCOMP_L
+#cmakedefine GIT_REGEX_REGCOMP
+#cmakedefine GIT_REGEX_PCRE
+#cmakedefine GIT_REGEX_PCRE2
+#cmakedefine GIT_REGEX_BUILTIN 1
#cmakedefine GIT_SSH 1
#cmakedefine GIT_SSH_MEMORY_CREDENTIALS 1
diff --git a/src/posix_regex.h b/src/posix_regex.h
new file mode 100644
index 0000000..421ffeb
--- /dev/null
+++ b/src/posix_regex.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_posix_regex_h__
+#define INCLUDE_posix_regex_h__
+
+#include "common.h"
+
+/*
+ * Regular expressions: if we were asked to use PCRE (either our
+ * bundled version or a system version) then use their regcomp
+ * compatible implementation.
+ */
+
+#ifdef GIT_REGEX_BUILTIN
+
+# include "pcreposix.h"
+
+# define P_REG_EXTENDED PCRE_REG_EXTENDED
+# define P_REG_ICASE PCRE_REG_ICASE
+# define P_REG_NOMATCH PCRE_REG_NOMATCH
+
+# define p_regex_t pcre_regex_t
+# define p_regmatch_t pcre_regmatch_t
+# define p_regcomp pcre_regcomp
+# define p_regerror pcre_regerror
+# define p_regexec pcre_regexec
+# define p_regfree pcre_regfree
+
+/*
+ * Use the system-provided `regex` routines, whether that's via the
+ * PCRE emulation layer, or libc, preferring `regcomp_l` it's available.
+ */
+
+#else
+
+# if defined(GIT_REGEX_PCRE2)
+# include <pcre2posix.h>
+# elif defined(GIT_REGEX_PCRE)
+# include <pcreposix.h>
+# else
+# include <regex.h>
+# endif
+
+# define P_REG_EXTENDED REG_EXTENDED
+# define P_REG_ICASE REG_ICASE
+# define P_REG_NOMATCH REG_NOMATCH
+
+# define p_regex_t regex_t
+# define p_regmatch_t regmatch_t
+
+# define p_regerror regerror
+# define p_regexec regexec
+# define p_regfree regfree
+
+# ifdef GIT_REGEX_REGCOMP_L
+# include <xlocale.h>
+
+GIT_INLINE(int) p_regcomp(p_regex_t *preg, const char *pattern, int cflags)
+{
+ return regcomp_l(preg, pattern, cflags, (locale_t) 0);
+}
+
+# else
+# define p_regcomp regcomp
+# endif /* GIT_REGEX_REGCOMP_L */
+
+#endif
+
+#endif
diff --git a/src/revparse.c b/src/revparse.c
index 50ee31c..4bde0d7 100644
--- a/src/revparse.c
+++ b/src/revparse.c
@@ -42,7 +42,7 @@ static int maybe_abbrev(git_object** out, git_repository *repo, const char *spec
return maybe_sha_or_abbrev(out, repo, spec, speclen);
}
-static int build_regex(regex_t *regex, const char *pattern)
+static int build_regex(p_regex_t *regex, const char *pattern)
{
int error;
@@ -51,13 +51,13 @@ static int build_regex(regex_t *regex, const char *pattern)
return GIT_EINVALIDSPEC;
}
- error = p_regcomp(regex, pattern, REG_EXTENDED);
+ error = p_regcomp(regex, pattern, P_REG_EXTENDED);
if (!error)
return 0;
error = git_error_set_regex(regex, error);
- regfree(regex);
+ p_regfree(regex);
return error;
}
@@ -66,7 +66,7 @@ static int maybe_describe(git_object**out, git_repository *repo, const char *spe
{
const char *substr;
int error;
- regex_t regex;
+ p_regex_t regex;
substr = strstr(spec, "-g");
@@ -76,8 +76,8 @@ static int maybe_describe(git_object**out, git_repository *repo, const char *spe
if (build_regex(®ex, ".+-[0-9]+-g[0-9a-fA-F]+") < 0)
return -1;
- error = regexec(®ex, spec, 0, NULL, 0);
- regfree(®ex);
+ error = p_regexec(®ex, spec, 0, NULL, 0);
+ p_regfree(®ex);
if (error)
return GIT_ENOTFOUND;
@@ -143,12 +143,12 @@ static int retrieve_previously_checked_out_branch_or_revision(git_object **out,
{
git_reference *ref = NULL;
git_reflog *reflog = NULL;
- regex_t preg;
+ p_regex_t preg;
int error = -1;
size_t i, numentries, cur;
const git_reflog_entry *entry;
const char *msg;
- regmatch_t regexmatches[2];
+ p_regmatch_t regexmatches[2];
git_buf buf = GIT_BUF_INIT;
cur = position;
@@ -173,7 +173,7 @@ static int retrieve_previously_checked_out_branch_or_revision(git_object **out,
if (!msg)
continue;
- if (regexec(&preg, msg, 2, regexmatches, 0))
+ if (p_regexec(&preg, msg, 2, regexmatches, 0))
continue;
cur--;
@@ -199,7 +199,7 @@ static int retrieve_previously_checked_out_branch_or_revision(git_object **out,
cleanup:
git_reference_free(ref);
git_buf_dispose(&buf);
- regfree(&preg);
+ p_regfree(&preg);
git_reflog_free(reflog);
return error;
}
@@ -448,7 +448,7 @@ cleanup:
return error;
}
-static int walk_and_search(git_object **out, git_revwalk *walk, regex_t *regex)
+static int walk_and_search(git_object **out, git_revwalk *walk, p_regex_t *regex)
{
int error;
git_oid oid;
@@ -460,7 +460,7 @@ static int walk_and_search(git_object **out, git_revwalk *walk, regex_t *regex)
if ((error < 0) && (error != GIT_ENOTFOUND))
return -1;
- if (!regexec(regex, git_commit_message((git_commit*)obj), 0, NULL, 0)) {
+ if (!p_regexec(regex, git_commit_message((git_commit*)obj), 0, NULL, 0)) {
*out = obj;
return 0;
}
@@ -476,7 +476,7 @@ static int walk_and_search(git_object **out, git_revwalk *walk, regex_t *regex)
static int handle_grep_syntax(git_object **out, git_repository *repo, const git_oid *spec_oid, const char *pattern)
{
- regex_t preg;
+ p_regex_t preg;
git_revwalk *walk = NULL;
int error;
@@ -497,7 +497,7 @@ static int handle_grep_syntax(git_object **out, git_repository *repo, const git_
error = walk_and_search(out, walk, &preg);
cleanup:
- regfree(&preg);
+ p_regfree(&preg);
git_revwalk_free(walk);
return error;
diff --git a/src/unix/posix.h b/src/unix/posix.h
index f2fffd5..f969f83 100644
--- a/src/unix/posix.h
+++ b/src/unix/posix.h
@@ -89,14 +89,4 @@ GIT_INLINE(int) p_futimes(int f, const struct p_timeval t[2])
# define p_futimes futimes
#endif
-#ifdef GIT_USE_REGCOMP_L
-#include <xlocale.h>
-GIT_INLINE(int) p_regcomp(regex_t *preg, const char *pattern, int cflags)
-{
- return regcomp_l(preg, pattern, cflags, (locale_t) 0);
-}
-#else
-# define p_regcomp regcomp
-#endif
-
#endif
diff --git a/src/userdiff.h b/src/userdiff.h
index 91c1f42..8bde630 100644
--- a/src/userdiff.h
+++ b/src/userdiff.h
@@ -29,7 +29,7 @@ typedef struct {
#define PATTERNS(NAME, FN_PATS, WORD_PAT) \
{ NAME, FN_PATS, WORD_PAT WORD_DEFAULT, 0 }
#define IPATTERN(NAME, FN_PATS, WORD_PAT) \
- { NAME, FN_PATS, WORD_PAT WORD_DEFAULT, REG_ICASE }
+ { NAME, FN_PATS, WORD_PAT WORD_DEFAULT, P_REG_ICASE }
/*
* The table of diff driver patterns
diff --git a/src/win32/path_w32.h b/src/win32/path_w32.h
index facbced..afd0aa1 100644
--- a/src/win32/path_w32.h
+++ b/src/win32/path_w32.h
@@ -8,37 +8,8 @@
#define INCLUDE_win32_path_w32_h__
#include "common.h"
-
#include "vector.h"
-/*
- * Provides a large enough buffer to support Windows paths: MAX_PATH is
- * 260, corresponding to a maximum path length of 259 characters plus a
- * NULL terminator. Prefixing with "\\?\" adds 4 characters, but if the
- * original was a UNC path, then we turn "\\server\share" into
- * "\\?\UNC\server\share". So we replace the first two characters with
- * 8 characters, a net gain of 6, so the maximum length is MAX_PATH+6.
- */
-#define GIT_WIN_PATH_UTF16 MAX_PATH+6
-
-/* Maximum size of a UTF-8 Win32 path. We remove the "\\?\" or "\\?\UNC\"
- * prefixes for presentation, bringing us back to 259 (non-NULL)
- * characters. UTF-8 does have 4-byte sequences, but they are encoded in
- * UTF-16 using surrogate pairs, which takes up the space of two characters.
- * Two characters in the range U+0800 -> U+FFFF take up more space in UTF-8
- * (6 bytes) than one surrogate pair (4 bytes).
- */
-#define GIT_WIN_PATH_UTF8 (259 * 3 + 1)
-
-/*
- * The length of a Windows "shortname", for 8.3 compatibility.
- */
-#define GIT_WIN_PATH_SHORTNAME 13
-
-/* Win32 path types */
-typedef wchar_t git_win32_path[GIT_WIN_PATH_UTF16];
-typedef char git_win32_utf8_path[GIT_WIN_PATH_UTF8];
-
/**
* Create a Win32 path (in UCS-2 format) from a UTF-8 string.
*
diff --git a/src/win32/posix.h b/src/win32/posix.h
index d5ab2e8..e427d64 100644
--- a/src/win32/posix.h
+++ b/src/win32/posix.h
@@ -60,7 +60,4 @@ extern int p_lstat_posixly(const char *filename, struct stat *buf);
extern struct tm * p_localtime_r(const time_t *timer, struct tm *result);
extern struct tm * p_gmtime_r(const time_t *timer, struct tm *result);
-/* Use the bundled regcomp */
-#define p_regcomp regcomp
-
#endif
diff --git a/src/win32/precompiled.h b/src/win32/precompiled.h
index 851a083..314383d 100644
--- a/src/win32/precompiled.h
+++ b/src/win32/precompiled.h
@@ -13,8 +13,6 @@
#include <sys/types.h>
#include <sys/stat.h>
-#include <regex.h>
-
#include <io.h>
#include <direct.h>
#ifdef GIT_THREADS
diff --git a/src/win32/w32_common.h b/src/win32/w32_common.h
new file mode 100644
index 0000000..f9e74b9
--- /dev/null
+++ b/src/win32/w32_common.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#ifndef INCLUDE_win32_w32_common_h__
+#define INCLUDE_win32_w32_common_h__
+
+/*
+ * Provides a large enough buffer to support Windows paths: MAX_PATH is
+ * 260, corresponding to a maximum path length of 259 characters plus a
+ * NULL terminator. Prefixing with "\\?\" adds 4 characters, but if the
+ * original was a UNC path, then we turn "\\server\share" into
+ * "\\?\UNC\server\share". So we replace the first two characters with
+ * 8 characters, a net gain of 6, so the maximum length is MAX_PATH+6.
+ */
+#define GIT_WIN_PATH_UTF16 MAX_PATH+6
+
+/* Maximum size of a UTF-8 Win32 path. We remove the "\\?\" or "\\?\UNC\"
+ * prefixes for presentation, bringing us back to 259 (non-NULL)
+ * characters. UTF-8 does have 4-byte sequences, but they are encoded in
+ * UTF-16 using surrogate pairs, which takes up the space of two characters.
+ * Two characters in the range U+0800 -> U+FFFF take up more space in UTF-8
+ * (6 bytes) than one surrogate pair (4 bytes).
+ */
+#define GIT_WIN_PATH_UTF8 (259 * 3 + 1)
+
+/*
+ * The length of a Windows "shortname", for 8.3 compatibility.
+ */
+#define GIT_WIN_PATH_SHORTNAME 13
+
+/* Win32 path types */
+typedef wchar_t git_win32_path[GIT_WIN_PATH_UTF16];
+typedef char git_win32_utf8_path[GIT_WIN_PATH_UTF8];
+
+#endif
diff --git a/tests/clar_libgit2.h b/tests/clar_libgit2.h
index da6ff29..5ea62e7 100644
--- a/tests/clar_libgit2.h
+++ b/tests/clar_libgit2.h
@@ -3,8 +3,8 @@
#include "clar.h"
#include <git2.h>
-#include <posix.h>
#include "common.h"
+#include "posix.h"
/**
* Replace for `clar_must_pass` that passes the last library error as the
diff --git a/tests/core/posix.c b/tests/core/posix.c
index 529ee37..2b60077 100644
--- a/tests/core/posix.c
+++ b/tests/core/posix.c
@@ -15,8 +15,16 @@
#include "posix.h"
#include "userdiff.h"
+#if LC_ALL > 0
+static const char *old_locales[LC_ALL];
+#endif
+
void test_core_posix__initialize(void)
{
+#if LC_ALL > 0
+ memset(&old_locales, 0, sizeof(old_locales));
+#endif
+
#ifdef GIT_WIN32
/* on win32, the WSA context needs to be initialized
* before any socket calls can be performed */
@@ -152,29 +160,94 @@ void test_core_posix__utimes(void)
p_unlink("foo");
}
-void test_core_posix__p_regcomp_ignores_global_locale_ctype(void)
+static void try_set_locale(int category)
{
- regex_t preg;
- int error = 0;
-
- const char* oldlocale = setlocale(LC_CTYPE, NULL);
+#if LC_ALL > 0
+ old_locales[category] = setlocale(category, NULL);
+#endif
- if (!setlocale(LC_CTYPE, "UTF-8") &&
- !setlocale(LC_CTYPE, "c.utf8") &&
- !setlocale(LC_CTYPE, "en_US.UTF-8"))
+ if (!setlocale(category, "UTF-8") &&
+ !setlocale(category, "c.utf8") &&
+ !setlocale(category, "en_US.UTF-8"))
cl_skip();
- if (MB_CUR_MAX == 1) {
- setlocale(LC_CTYPE, oldlocale);
+ if (MB_CUR_MAX == 1)
cl_fail("Expected locale to be switched to multibyte");
+}
+
+void test_core_posix__p_regcomp_ignores_global_locale_ctype(void)
+{
+ p_regex_t preg;
+
+ try_set_locale(LC_CTYPE);
+
+ cl_assert(!p_regcomp(&preg, "[\xc0-\xff][\x80-\xbf]", P_REG_EXTENDED));
+
+ p_regfree(&preg);
+}
+
+void test_core_posix__p_regcomp_ignores_global_locale_collate(void)
+{
+ p_regex_t preg;
+
+#ifdef GIT_WIN32
+ cl_skip();
+#endif
+
+ try_set_locale(LC_COLLATE);
+ cl_assert(!p_regcomp(&preg, "[\xc0-\xff][\x80-\xbf]", P_REG_EXTENDED));
+
+ p_regfree(&preg);
+}
+
+void test_core_posix__p_regcomp_matches_digits_with_locale(void)
+{
+ p_regex_t preg;
+ char c, str[2];
+
+#ifdef GIT_WIN32
+ cl_skip();
+#endif
+
+ try_set_locale(LC_COLLATE);
+ try_set_locale(LC_CTYPE);
+
+ cl_assert(!p_regcomp(&preg, "[[:digit:]]", P_REG_EXTENDED));
+
+ str[1] = '\0';
+ for (c = '0'; c <= '9'; c++) {
+ str[0] = c;
+ cl_assert(!p_regexec(&preg, str, 0, NULL, 0));
}
- p_regcomp(&preg, "[\xc0-\xff][\x80-\xbf]", REG_EXTENDED);
- regfree(&preg);
+ p_regfree(&preg);
+}
+
+void test_core_posix__p_regcomp_matches_alphabet_with_locale(void)
+{
+ p_regex_t preg;
+ char c, str[2];
+
+#ifdef GIT_WIN32
+ cl_skip();
+#endif
+
+ try_set_locale(LC_COLLATE);
+ try_set_locale(LC_CTYPE);
+
+ cl_assert(!p_regcomp(&preg, "[[:alpha:]]", P_REG_EXTENDED));
- setlocale(LC_CTYPE, oldlocale);
+ str[1] = '\0';
+ for (c = 'a'; c <= 'z'; c++) {
+ str[0] = c;
+ cl_assert(!p_regexec(&preg, str, 0, NULL, 0));
+ }
+ for (c = 'A'; c <= 'Z'; c++) {
+ str[0] = c;
+ cl_assert(!p_regexec(&preg, str, 0, NULL, 0));
+ }
- cl_must_pass(error);
+ p_regfree(&preg);
}
void test_core_posix__p_regcomp_compile_userdiff_regexps(void)
@@ -184,15 +257,15 @@ void test_core_posix__p_regcomp_compile_userdiff_regexps(void)
for (idx = 0; idx < ARRAY_SIZE(builtin_defs); ++idx) {
git_diff_driver_definition ddef = builtin_defs[idx];
int error = 0;
- regex_t preg;
+ p_regex_t preg;
- error = p_regcomp(&preg, ddef.fns, REG_EXTENDED | ddef.flags);
- regfree(&preg);
- cl_must_pass(error);
+ error = p_regcomp(&preg, ddef.fns, P_REG_EXTENDED | ddef.flags);
+ p_regfree(&preg);
+ cl_assert(!error);
- error = p_regcomp(&preg, ddef.words, REG_EXTENDED);
- regfree(&preg);
- cl_must_pass(error);
+ error = p_regcomp(&preg, ddef.words, P_REG_EXTENDED);
+ p_regfree(&preg);
+ cl_assert(!error);
}
}