RecastAssert.h 2.2 KB

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  1. //
  2. // Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
  3. //
  4. // This software is provided 'as-is', without any express or implied
  5. // warranty. In no event will the authors be held liable for any damages
  6. // arising from the use of this software.
  7. // Permission is granted to anyone to use this software for any purpose,
  8. // including commercial applications, and to alter it and redistribute it
  9. // freely, subject to the following restrictions:
  10. // 1. The origin of this software must not be misrepresented; you must not
  11. // claim that you wrote the original software. If you use this software
  12. // in a product, an acknowledgment in the product documentation would be
  13. // appreciated but is not required.
  14. // 2. Altered source versions must be plainly marked as such, and must not be
  15. // misrepresented as being the original software.
  16. // 3. This notice may not be removed or altered from any source distribution.
  17. //
  18. #ifndef RECASTASSERT_H
  19. #define RECASTASSERT_H
  20. // Note: This header file's only purpose is to include define assert.
  21. // Feel free to change the file and include your own implementation instead.
  22. #ifdef NDEBUG
  23. // From http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
  24. # define rcAssert(x) do { (void)sizeof(x); } while((void)(__LINE__==-1),false)
  25. #else
  26. /// An assertion failure function.
  27. // @param[in] expression asserted expression.
  28. // @param[in] file Filename of the failed assertion.
  29. // @param[in] line Line number of the failed assertion.
  30. /// @see rcAssertFailSetCustom
  31. typedef void (rcAssertFailFunc)(const char* expression, const char* file, int line);
  32. /// Sets the base custom assertion failure function to be used by Recast.
  33. /// @param[in] assertFailFunc The function to be used in case of failure of #dtAssert
  34. void rcAssertFailSetCustom(rcAssertFailFunc *assertFailFunc);
  35. /// Gets the base custom assertion failure function to be used by Recast.
  36. rcAssertFailFunc* rcAssertFailGetCustom();
  37. # include <assert.h>
  38. # define rcAssert(expression) \
  39. { \
  40. rcAssertFailFunc* failFunc = rcAssertFailGetCustom(); \
  41. if(failFunc == NULL) { assert(expression); } \
  42. else if(!(expression)) { (*failFunc)(#expression, __FILE__, __LINE__); } \
  43. }
  44. #endif
  45. #endif // RECASTASSERT_H