| | |
| | | /* |
| | | Simple DirectMedia Layer |
| | | Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> |
| | | Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.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 |
| | |
| | | disable assertions. |
| | | */ |
| | | |
| | | /* "while (0,0)" fools Microsoft's compiler's /W4 warning level into thinking |
| | | this condition isn't constant. And looks like an owl's face! */ |
| | | #ifdef _MSC_VER /* stupid /W4 warnings. */ |
| | | #define SDL_NULL_WHILE_LOOP_CONDITION (-1 == __LINE__) |
| | | #define SDL_NULL_WHILE_LOOP_CONDITION (0,0) |
| | | #else |
| | | #define SDL_NULL_WHILE_LOOP_CONDITION (0) |
| | | #endif |
| | |
| | | SDL_ASSERTION_ABORT, /**< Terminate the program. */ |
| | | SDL_ASSERTION_IGNORE, /**< Ignore the assert. */ |
| | | SDL_ASSERTION_ALWAYS_IGNORE /**< Ignore the assert from now on. */ |
| | | } SDL_assert_state; |
| | | } SDL_AssertState; |
| | | |
| | | typedef struct SDL_assert_data |
| | | typedef struct SDL_AssertData |
| | | { |
| | | int always_ignore; |
| | | unsigned int trigger_count; |
| | |
| | | const char *filename; |
| | | int linenum; |
| | | const char *function; |
| | | const struct SDL_assert_data *next; |
| | | } SDL_assert_data; |
| | | const struct SDL_AssertData *next; |
| | | } SDL_AssertData; |
| | | |
| | | #if (SDL_ASSERT_LEVEL > 0) |
| | | |
| | | /* Never call this directly. Use the SDL_assert* macros. */ |
| | | extern DECLSPEC SDL_assert_state SDLCALL SDL_ReportAssertion(SDL_assert_data *, |
| | | extern DECLSPEC SDL_AssertState SDLCALL SDL_ReportAssertion(SDL_AssertData *, |
| | | const char *, |
| | | const char *, int) |
| | | #if defined(__clang__) |
| | |
| | | #define SDL_enabled_assert(condition) \ |
| | | do { \ |
| | | while ( !(condition) ) { \ |
| | | static struct SDL_assert_data sdl_assert_data = { \ |
| | | static struct SDL_AssertData sdl_assert_data = { \ |
| | | 0, 0, #condition, 0, 0, 0, 0 \ |
| | | }; \ |
| | | const SDL_assert_state sdl_assert_state = SDL_ReportAssertion(&sdl_assert_data, SDL_FUNCTION, SDL_FILE, SDL_LINE); \ |
| | | const SDL_AssertState sdl_assert_state = SDL_ReportAssertion(&sdl_assert_data, SDL_FUNCTION, SDL_FILE, SDL_LINE); \ |
| | | if (sdl_assert_state == SDL_ASSERTION_RETRY) { \ |
| | | continue; /* go again. */ \ |
| | | } else if (sdl_assert_state == SDL_ASSERTION_BREAK) { \ |
| | |
| | | #define SDL_assert_always(condition) SDL_enabled_assert(condition) |
| | | |
| | | |
| | | typedef SDL_assert_state (SDLCALL *SDL_AssertionHandler)( |
| | | const SDL_assert_data* data, void* userdata); |
| | | typedef SDL_AssertState (SDLCALL *SDL_AssertionHandler)( |
| | | const SDL_AssertData* data, void* userdata); |
| | | |
| | | /** |
| | | * \brief Set an application-defined assertion handler. |
| | |
| | | * |
| | | * This callback is NOT reset to SDL's internal handler upon SDL_Quit()! |
| | | * |
| | | * \return SDL_assert_state value of how to handle the assertion failure. |
| | | * \return SDL_AssertState value of how to handle the assertion failure. |
| | | * |
| | | * \param handler Callback function, called when an assertion fails. |
| | | * \param userdata A pointer passed to the callback as-is. |
| | |
| | | * The proper way to examine this data looks something like this: |
| | | * |
| | | * <code> |
| | | * const SDL_assert_data *item = SDL_GetAssertionReport(); |
| | | * const SDL_AssertData *item = SDL_GetAssertionReport(); |
| | | * while (item) { |
| | | * printf("'%s', %s (%s:%d), triggered %u times, always ignore: %s.\n", |
| | | * item->condition, item->function, item->filename, |
| | |
| | | * \return List of all assertions. |
| | | * \sa SDL_ResetAssertionReport |
| | | */ |
| | | extern DECLSPEC const SDL_assert_data * SDLCALL SDL_GetAssertionReport(void); |
| | | extern DECLSPEC const SDL_AssertData * SDLCALL SDL_GetAssertionReport(void); |
| | | |
| | | /** |
| | | * \brief Reset the list of all assertion failures. |
| | |
| | | */ |
| | | extern DECLSPEC void SDLCALL SDL_ResetAssertionReport(void); |
| | | |
| | | |
| | | /* these had wrong naming conventions until 2.0.4. Please update your app! */ |
| | | #define SDL_assert_state SDL_AssertState |
| | | #define SDL_assert_data SDL_AssertData |
| | | |
| | | |
| | | /* Ends C function definitions when using C++ */ |
| | | #ifdef __cplusplus |
| | | } |