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

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• Author : shannonwoods@chromium.org
  Date : 2013-05-30 00:20:44
  Hash : eafb069c
  Message : Allow ANGLE developers to toggle unimplemented assertion failures with preprocessor define. TRAC #23089 Signed-off-by: Nicolas Capens Signed-off-by: Shannon Woods Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2406 736b8ea6-26fd-11df-bfd4-992fa37f6226

• 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 <stdio.h>
  #include <assert.h>
  
  #include "common/angleutils.h"
  
  #if !defined(TRACE_OUTPUT_FILE)
  #define TRACE_OUTPUT_FILE "debug.txt"
  #endif
  
  namespace gl
  {
      // Outputs text to the debugging log
      void trace(bool traceFileDebugOnly, const char *format, ...);
  
      // Returns whether D3DPERF is active.
      bool perfActive();
  
      // Pairs a D3D begin event with an end event.
      class ScopedPerfEventHelper
      {
        public:
          ScopedPerfEventHelper(const char* format, ...);
          ~ScopedPerfEventHelper();
  
        private:
          DISALLOW_COPY_AND_ASSIGN(ScopedPerfEventHelper);
      };
  }
  
  // A macro to output a trace of a function call and its arguments to the debugging log
  #if defined(ANGLE_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF)
  #define TRACE(message, ...) (void(0))
  #else
  #define TRACE(message, ...) gl::trace(true, "trace: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
  #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_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF)
  #define FIXME(message, ...) (void(0))
  #else
  #define FIXME(message, ...) gl::trace(false, "fixme: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
  #endif
  
  // A macro to output a function call and its arguments to the debugging log, in case of error.
  #if defined(ANGLE_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF)
  #define ERR(message, ...) (void(0))
  #else
  #define ERR(message, ...) gl::trace(false, "err: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
  #endif
  
  // A macro to log a performance event around a scope.
  #if defined(ANGLE_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF)
  #define EVENT(message, ...) (void(0))
  #elif defined(_MSC_VER)
  #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper ## __LINE__(__FUNCTION__ message "\n", __VA_ARGS__);
  #else
  #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper(message "\n", ##__VA_ARGS__);
  #endif
  
  // A macro asserting a condition and outputting failures to the debug log
  #if !defined(NDEBUG)
  #define ASSERT(expression) do { \
      if(!(expression)) \
          ERR("\t! Assert failed in %s(%d): "#expression"\n", __FUNCTION__, __LINE__); \
          assert(expression); \
      } while(0)
  #else
  #define ASSERT(expression) (void(0))
  #endif
  
  // A macro to indicate unimplemented functionality
  
  // Define NOASSERT_UNIMPLEMENTED to non zero to skip the assert fail in the unimplemented checks
  // This will allow us to test with some automated test suites (eg dEQP) without crashing
  #ifndef NOASSERT_UNIMPLEMENTED
  #define NOASSERT_UNIMPLEMENTED 0
  #endif
  
  #if !defined(NDEBUG)
  #define UNIMPLEMENTED() do { \
      FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__); \
      assert(NOASSERT_UNIMPLEMENTED); \
      } while(0)
  #else
      #define UNIMPLEMENTED() FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__)
  #endif
  
  // A macro for code which is not expected to be reached under valid assumptions
  #if !defined(NDEBUG)
  #define UNREACHABLE() do { \
      ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__); \
      assert(false); \
      } while(0)
  #else
      #define UNREACHABLE() ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__)
  #endif
  
  // A macro that determines whether an object has a given runtime type.
  #if !defined(NDEBUG) && (!defined(_MSC_VER) || defined(_CPPRTTI))
  #define HAS_DYNAMIC_TYPE(type, obj) (dynamic_cast<type >(obj) != NULL)
  #else
  #define HAS_DYNAMIC_TYPE(type, obj) true
  #endif
  
  // A macro functioning as a compile-time assert to validate constant conditions
  #define META_ASSERT(condition) typedef int COMPILE_TIME_ASSERT_##__LINE__[static_cast<bool>(condition)?1:-1]
  
  #endif   // COMMON_DEBUG_H_