virtualx-engine/thirdparty/recastnavigation/Recast/Include/RecastAssert.h

53 lines
2.1 KiB
C++

//
// 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 RECASTASSERT_H
#define RECASTASSERT_H
#ifdef NDEBUG
// From https://web.archive.org/web/20210117002833/http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
# define rcAssert(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 rcAssertFailSetCustom
typedef void (rcAssertFailFunc)(const char* expression, const char* file, int line);
/// Sets the base custom assertion failure function to be used by Recast.
/// @param[in] assertFailFunc The function to be used in case of failure of #dtAssert
void rcAssertFailSetCustom(rcAssertFailFunc* assertFailFunc);
/// Gets the base custom assertion failure function to be used by Recast.
rcAssertFailFunc* rcAssertFailGetCustom();
# include <assert.h>
# define rcAssert(expression) \
{ \
rcAssertFailFunc* failFunc = rcAssertFailGetCustom(); \
if (failFunc == NULL) { assert(expression); } \
else if (!(expression)) { (*failFunc)(#expression, __FILE__, __LINE__); } \
}
#endif
#endif // RECASTASSERT_H