kc3-lang/angle/src/common/debug.h

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• Hash : bd3f8780
  Author :
  Date : 2016-10-12T17:05:24
  

  Fix GCC 5.4 compilation error when parsing the __clang__ macro
  
  The __clang__ macro cannot be directly used with an #if directive if it
  has not been defined. This causes a compilation error under GCC 5.4
  Linux.
  
  Change-Id: Ieca752cd9f0e90c82febc35e19e1c1f3c6096de1
  Reviewed-on: https://chromium-review.googlesource.com/397220
  Reviewed-by: Olli Etuaho <oetuaho@nvidia.com>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Corentin Wallez <cwallez@chromium.org>
  

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• src/common/debug.h

• //
  // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // debug.h: Debugging utilities.
  
  #ifndef COMMON_DEBUG_H_
  #define COMMON_DEBUG_H_
  
  #include <assert.h>
  #include <stdio.h>
  #include <string>
  
  #include "common/angleutils.h"
  
  #if !defined(TRACE_OUTPUT_FILE)
  #define TRACE_OUTPUT_FILE "angle_debug.txt"
  #endif
  
  namespace gl
  {
  
  enum MessageType
  {
      MESSAGE_TRACE,
      MESSAGE_FIXME,
      MESSAGE_ERR,
      MESSAGE_EVENT,
  };
  
  // Outputs text to the debugging log, or the debugging window
  void trace(bool traceInDebugOnly, MessageType messageType, const char *format, ...);
  
  // Pairs a D3D begin event with an end event.
  class ScopedPerfEventHelper : angle::NonCopyable
  {
    public:
      ScopedPerfEventHelper(const char* format, ...);
      ~ScopedPerfEventHelper();
  };
  
  // Wraps the D3D9/D3D11 debug annotation functions.
  class DebugAnnotator : angle::NonCopyable
  {
    public:
      DebugAnnotator() { };
      virtual ~DebugAnnotator() { };
      virtual void beginEvent(const wchar_t *eventName) = 0;
      virtual void endEvent() = 0;
      virtual void setMarker(const wchar_t *markerName) = 0;
      virtual bool getStatus() = 0;
  };
  
  void InitializeDebugAnnotations(DebugAnnotator *debugAnnotator);
  void UninitializeDebugAnnotations();
  bool DebugAnnotationsActive();
  
  }  // namespace gl
  
  #if defined(ANGLE_ENABLE_DEBUG_TRACE) || defined(ANGLE_ENABLE_DEBUG_ANNOTATIONS)
  #define ANGLE_TRACE_ENABLED
  #endif
  
  #define ANGLE_EMPTY_STATEMENT for (;;) break
  #if !defined(NDEBUG) || defined(ANGLE_ENABLE_RELEASE_ASSERTS)
  #define ANGLE_ENABLE_ASSERTS
  #endif
  
  // A macro to output a trace of a function call and its arguments to the debugging log
  #if defined(ANGLE_TRACE_ENABLED)
  #define TRACE(message, ...) gl::trace(true, gl::MESSAGE_TRACE, "trace: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
  #else
  #define TRACE(message, ...) (void(0))
  #endif
  
  // A macro to output a function call and its arguments to the debugging log, to denote an item in need of fixing.
  #if defined(ANGLE_TRACE_ENABLED)
  #define FIXME(message, ...) gl::trace(false, gl::MESSAGE_FIXME, "fixme: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
  #else
  #define FIXME(message, ...) (void(0))
  #endif
  
  // A macro to output a function call and its arguments to the debugging log, in case of error.
  #if defined(ANGLE_TRACE_ENABLED) || defined(ANGLE_ENABLE_ASSERTS)
  #define ERR(message, ...) gl::trace(false, gl::MESSAGE_ERR, "err: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
  #else
  #define ERR(message, ...) (void(0))
  #endif
  
  // A macro to log a performance event around a scope.
  #if defined(ANGLE_TRACE_ENABLED)
  #if defined(_MSC_VER)
  #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper ## __LINE__("%s" message "\n", __FUNCTION__, __VA_ARGS__);
  #else
  #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper("%s" message "\n", __FUNCTION__, ##__VA_ARGS__);
  #endif // _MSC_VER
  #else
  #define EVENT(message, ...) (void(0))
  #endif
  
  #if defined(ANGLE_TRACE_ENABLED)
  #undef ANGLE_TRACE_ENABLED
  #endif
  
  #if defined(COMPILER_GCC) || defined(__clang__)
  #define ANGLE_CRASH() __builtin_trap()
  #else
  #define ANGLE_CRASH() ((void)(*(volatile char *)0 = 0))
  #endif
  
  #if !defined(NDEBUG)
  #define ANGLE_ASSERT_IMPL(expression) assert(expression)
  #else
  // TODO(jmadill): Detect if debugger is attached and break.
  #define ANGLE_ASSERT_IMPL(expression) ANGLE_CRASH()
  #endif  // !defined(NDEBUG)
  
  // A macro asserting a condition and outputting failures to the debug log
  #if defined(ANGLE_ENABLE_ASSERTS)
  #define ASSERT(expression)                                                                        \
      (expression ? static_cast<void>(0)                                                            \
                  : (ERR("\t! Assert failed in %s(%d): %s\n", __FUNCTION__, __LINE__, #expression), \
                     ANGLE_ASSERT_IMPL(expression)))
  #define UNUSED_ASSERTION_VARIABLE(variable)
  #else
  #define ASSERT(expression) (void(0))
  #define UNUSED_ASSERTION_VARIABLE(variable) ((void)variable)
  #endif
  
  #define UNUSED_VARIABLE(variable) ((void)variable)
  
  // A macro to indicate unimplemented functionality
  
  #if defined (ANGLE_TEST_CONFIG)
  #define NOASSERT_UNIMPLEMENTED 1
  #endif
  
  // This will allow us to test with some automated test suites (eg dEQP) without crashing
  #ifndef NOASSERT_UNIMPLEMENTED
  #define NOASSERT_UNIMPLEMENTED 0
  #endif
  
  #define UNIMPLEMENTED()                                               \
      {                                                                 \
          FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__); \
          ASSERT(NOASSERT_UNIMPLEMENTED);                               \
      }                                                                 \
      ANGLE_EMPTY_STATEMENT
  
  // A macro for code which is not expected to be reached under valid assumptions
  #define UNREACHABLE() \
      (ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__), ASSERT(false))
  
  #endif   // COMMON_DEBUG_H_
  

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