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

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• Author : alokp@chromium.org
  Date : 2010-05-07 14:33:36
  Hash : 7664e55a
  Message : Making glsl-translator cross-platform. Removed unnecessary inclusion of windows.h. Review URL: http://codereview.appspot.com/1136042 git-svn-id: https://angleproject.googlecode.com/svn/trunk@249 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>
  
  namespace gl
  {
      // Outputs text to the debugging log
      void trace(const char *format, ...);
  }
  
  // A macro to output a trace of a function call and its arguments to the debugging log
  #ifndef NDEBUG
      #define TRACE(message, ...) gl::trace("trace: %s"message"\n", __FUNCTION__, __VA_ARGS__)
  #else
      #define TRACE(...) ((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. Will occur even in release mode.
  #define FIXME(message, ...) gl::trace("fixme: %s"message"\n", __FUNCTION__, __VA_ARGS__)
  
  // A macro to output a function call and its arguments to the debugging log, in case of error. Will occur even in release mode.
  #define ERR(message, ...) gl::trace("err: %s"message"\n", __FUNCTION__, __VA_ARGS__)
  
  // A macro asserting a condition and outputting failures to the debug log
  #define ASSERT(expression) do { \
      if(!(expression)) \
          ERR("\t! Assert failed in %s(%d): "#expression"\n", __FUNCTION__, __LINE__); \
      assert(expression); \
      } while(0)
  
  
  // A macro to indicate unimplemented functionality
  #ifndef NDEBUG
      #define UNIMPLEMENTED() do { \
          FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__); \
          assert(false); \
          } 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
  #ifndef 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 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_