kc3-lang/freetype/src/tools/chktrcmp.py

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• Hash : 3f3427c6
  Author :
  Date : 2022-09-28T22:35:49
  

  * src/tools/*.py: Migrate to Python 3. Fixes #1185, closes !205. Formatting changes according to PEP8.

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• src/tools/chktrcmp.py

• #!/usr/bin/env python3
  #
  # Check trace components in FreeType 2 source.
  # Author: suzuki toshiya, 2009, 2013, 2020
  #
  # This code is explicitly into the public domain.
  
  import sys
  import os
  import re
  
  SRC_FILE_LIST = []
  USED_COMPONENT = {}
  KNOWN_COMPONENT = {}
  
  SRC_FILE_DIRS = ["src"]
  TRACE_DEF_FILES = ["include/freetype/internal/fttrace.h"]
  
  
  def usage():
      print("Usage: %s [option]" % sys.argv[0])
      print("Search used-but-defined and defined-but-not-used trace_XXX macros")
      print("")
      print("  --help:")
      print("        Show this help")
      print("")
      print("  --src-dirs=dir1:dir2:...")
      print("        Specify the directories of C source files to be checked")
      print("        Default is %s" % ":".join(SRC_FILE_DIRS))
      print("")
      print("  --def-files=file1:file2:...")
      print("        Specify the header files including FT_TRACE_DEF()")
      print("        Default is %s" % ":".join(TRACE_DEF_FILES))
      print("")
  
  
  # --------------------------------------------------------------
  # Parse command line options
  #
  for i in range(1, len(sys.argv)):
      if sys.argv[i].startswith("--help"):
          usage()
          exit(0)
      if sys.argv[i].startswith("--src-dirs="):
          SRC_FILE_DIRS = sys.argv[i].replace("--src-dirs=", "", 1).split(":")
      elif sys.argv[i].startswith("--def-files="):
          TRACE_DEF_FILES = sys.argv[i].replace("--def-files=", "", 1).split(":")
  
  # --------------------------------------------------------------
  # Scan C source and header files using trace macros.
  #
  
  c_pathname_pat = re.compile('^.*\.[ch]$', re.IGNORECASE)
  trace_use_pat = re.compile('^[ \t]*#define[ \t]+FT_COMPONENT[ \t]+')
  
  for d in SRC_FILE_DIRS:
      for (p, dlst, flst) in os.walk(d):
          for f in flst:
              if c_pathname_pat.match(f) is not None:
                  src_pathname = os.path.join(p, f)
  
                  line_num = 0
                  for src_line in open(src_pathname, 'r'):
                      line_num = line_num + 1
                      src_line = src_line.strip()
                      if trace_use_pat.match(src_line) is not None:
                          component_name = trace_use_pat.sub('', src_line)
                          if component_name in USED_COMPONENT:
                              USED_COMPONENT[component_name]\
                                  .append("%s:%d" % (src_pathname, line_num))
                          else:
                              USED_COMPONENT[component_name] =\
                                  ["%s:%d" % (src_pathname, line_num)]
  
  # --------------------------------------------------------------
  # Scan header file(s) defining trace macros.
  #
  
  trace_def_pat_opn = re.compile('^.*FT_TRACE_DEF[ \t]*\([ \t]*')
  trace_def_pat_cls = re.compile('[ \t\)].*$')
  
  for f in TRACE_DEF_FILES:
      line_num = 0
      for hdr_line in open(f, 'r'):
          line_num = line_num + 1
          hdr_line = hdr_line.strip()
          if trace_def_pat_opn.match(hdr_line) is not None:
              component_name = trace_def_pat_opn.sub('', hdr_line)
              component_name = trace_def_pat_cls.sub('', component_name)
              if component_name in KNOWN_COMPONENT:
                  print("trace component %s is defined twice,"
                        " see %s and fttrace.h:%d" %
                        (component_name, KNOWN_COMPONENT[component_name],
                         line_num))
              else:
                  KNOWN_COMPONENT[component_name] =\
                      "%s:%d" % (os.path.basename(f), line_num)
  
  # --------------------------------------------------------------
  # Compare the used and defined trace macros.
  #
  
  print("# Trace component used in the implementations but not defined in "
        "fttrace.h.")
  cmpnt = list(USED_COMPONENT.keys())
  cmpnt.sort()
  for c in cmpnt:
      if c not in KNOWN_COMPONENT:
          print("Trace component %s (used in %s) is not defined." %
                (c, ", ".join(USED_COMPONENT[c])))
  
  print("# Trace component is defined but not used in the implementations.")
  cmpnt = list(KNOWN_COMPONENT.keys())
  cmpnt.sort()
  for c in cmpnt:
      if c not in USED_COMPONENT:
          if c != "any":
              print("Trace component %s (defined in %s) is not used." %
                    (c, KNOWN_COMPONENT[c]))
  

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