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 | |
19 | #ifndef RECASTASSERT_H |
20 | #define RECASTASSERT_H |
21 | |
22 | #ifdef NDEBUG |
23 | |
24 | // From https://web.archive.org/web/20210117002833/http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/ |
25 | # define rcAssert(x) do { (void)sizeof(x); } while ((void)(__LINE__==-1), false) |
26 | |
27 | #else |
28 | |
29 | /// An assertion failure function. |
30 | // @param[in] expression asserted expression. |
31 | // @param[in] file Filename of the failed assertion. |
32 | // @param[in] line Line number of the failed assertion. |
33 | /// @see rcAssertFailSetCustom |
34 | typedef void (rcAssertFailFunc)(const char* expression, const char* file, int line); |
35 | |
36 | /// Sets the base custom assertion failure function to be used by Recast. |
37 | /// @param[in] assertFailFunc The function to be used in case of failure of #dtAssert |
38 | void rcAssertFailSetCustom(rcAssertFailFunc* assertFailFunc); |
39 | |
40 | /// Gets the base custom assertion failure function to be used by Recast. |
41 | rcAssertFailFunc* rcAssertFailGetCustom(); |
42 | |
43 | # include <assert.h> |
44 | # define rcAssert(expression) \ |
45 | { \ |
46 | rcAssertFailFunc* failFunc = rcAssertFailGetCustom(); \ |
47 | if (failFunc == NULL) { assert(expression); } \ |
48 | else if (!(expression)) { (*failFunc)(#expression, __FILE__, __LINE__); } \ |
49 | } |
50 | |
51 | #endif |
52 | |
53 | #endif // RECASTASSERT_H |
54 | |