axmol/external/recast/DetourAssert.h

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2020-11-16 14:47:43 +08:00
//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#ifndef DETOURASSERT_H
#define DETOURASSERT_H
// Note: This header file's only purpose is to include define assert.
// Feel free to change the file and include your own implementation instead.
#ifdef NDEBUG
// From http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
# define dtAssert(x) do { (void)sizeof(x); } while((void)(__LINE__==-1),false)
#else
/// An assertion failure function.
// @param[in] expression asserted expression.
// @param[in] file Filename of the failed assertion.
// @param[in] line Line number of the failed assertion.
/// @see dtAssertFailSetCustom
typedef void (dtAssertFailFunc)(const char* expression, const char* file, int line);
/// Sets the base custom assertion failure function to be used by Detour.
/// @param[in] assertFailFunc The function to be invoked in case of failure of #dtAssert
void dtAssertFailSetCustom(dtAssertFailFunc *assertFailFunc);
/// Gets the base custom assertion failure function to be used by Detour.
dtAssertFailFunc* dtAssertFailGetCustom();
# include <assert.h>
# define dtAssert(expression) \
{ \
dtAssertFailFunc* failFunc = dtAssertFailGetCustom(); \
if(failFunc == NULL) { assert(expression); } \
else if(!(expression)) { (*failFunc)(#expression, __FILE__, __LINE__); } \
}
#endif
#endif // DETOURASSERT_H