summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/SDL2/src/SDL_assert.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/SDL2/src/SDL_assert.c')
-rw-r--r--3rdparty/SDL2/src/SDL_assert.c384
1 files changed, 0 insertions, 384 deletions
diff --git a/3rdparty/SDL2/src/SDL_assert.c b/3rdparty/SDL2/src/SDL_assert.c
deleted file mode 100644
index a21f70b68c2..00000000000
--- a/3rdparty/SDL2/src/SDL_assert.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/*
- Simple DirectMedia Layer
- 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
- 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.
-*/
-#include "./SDL_internal.h"
-
-#if defined(__WIN32__)
-#include "core/windows/SDL_windows.h"
-#endif
-
-#include "SDL.h"
-#include "SDL_atomic.h"
-#include "SDL_messagebox.h"
-#include "SDL_video.h"
-#include "SDL_assert.h"
-#include "SDL_assert_c.h"
-#include "video/SDL_sysvideo.h"
-
-#ifdef __WIN32__
-#ifndef WS_OVERLAPPEDWINDOW
-#define WS_OVERLAPPEDWINDOW 0
-#endif
-#else /* fprintf, _exit(), etc. */
-#include <stdio.h>
-#include <stdlib.h>
-#if ! defined(__WINRT__)
-#include <unistd.h>
-#endif
-#endif
-
-static SDL_assert_state
-SDL_PromptAssertion(const SDL_assert_data *data, void *userdata);
-
-/*
- * We keep all triggered assertions in a singly-linked list so we can
- * generate a report later.
- */
-static SDL_assert_data *triggered_assertions = NULL;
-
-static SDL_mutex *assertion_mutex = NULL;
-static SDL_AssertionHandler assertion_handler = SDL_PromptAssertion;
-static void *assertion_userdata = NULL;
-
-#ifdef __GNUC__
-static void
-debug_print(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
-#endif
-
-static void
-debug_print(const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- SDL_LogMessageV(SDL_LOG_CATEGORY_ASSERT, SDL_LOG_PRIORITY_WARN, fmt, ap);
- va_end(ap);
-}
-
-
-static void SDL_AddAssertionToReport(SDL_assert_data *data)
-{
- /* (data) is always a static struct defined with the assert macros, so
- we don't have to worry about copying or allocating them. */
- data->trigger_count++;
- if (data->trigger_count == 1) { /* not yet added? */
- data->next = triggered_assertions;
- triggered_assertions = data;
- }
-}
-
-
-static void SDL_GenerateAssertionReport(void)
-{
- const SDL_assert_data *item = triggered_assertions;
-
- /* only do this if the app hasn't assigned an assertion handler. */
- if ((item != NULL) && (assertion_handler != SDL_PromptAssertion)) {
- debug_print("\n\nSDL assertion report.\n");
- debug_print("All SDL assertions between last init/quit:\n\n");
-
- while (item != NULL) {
- debug_print(
- "'%s'\n"
- " * %s (%s:%d)\n"
- " * triggered %u time%s.\n"
- " * always ignore: %s.\n",
- item->condition, item->function, item->filename,
- item->linenum, item->trigger_count,
- (item->trigger_count == 1) ? "" : "s",
- item->always_ignore ? "yes" : "no");
- item = item->next;
- }
- debug_print("\n");
-
- SDL_ResetAssertionReport();
- }
-}
-
-static void SDL_ExitProcess(int exitcode)
-{
-#ifdef __WIN32__
- ExitProcess(exitcode);
-#else
- _exit(exitcode);
-#endif
-}
-
-static void SDL_AbortAssertion(void)
-{
- SDL_Quit();
- SDL_ExitProcess(42);
-}
-
-
-static SDL_assert_state
-SDL_PromptAssertion(const SDL_assert_data *data, void *userdata)
-{
-#ifdef __WIN32__
- #define ENDLINE "\r\n"
-#else
- #define ENDLINE "\n"
-#endif
-
- const char *envr;
- SDL_assert_state state = SDL_ASSERTION_ABORT;
- SDL_Window *window;
- SDL_MessageBoxData messagebox;
- SDL_MessageBoxButtonData buttons[] = {
- { 0, SDL_ASSERTION_RETRY, "Retry" },
- { 0, SDL_ASSERTION_BREAK, "Break" },
- { 0, SDL_ASSERTION_ABORT, "Abort" },
- { SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
- SDL_ASSERTION_IGNORE, "Ignore" },
- { SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
- SDL_ASSERTION_ALWAYS_IGNORE, "Always Ignore" }
- };
- char *message;
- int selected;
-
- (void) userdata; /* unused in default handler. */
-
- message = SDL_stack_alloc(char, SDL_MAX_LOG_MESSAGE);
- if (!message) {
- /* Uh oh, we're in real trouble now... */
- return SDL_ASSERTION_ABORT;
- }
- SDL_snprintf(message, SDL_MAX_LOG_MESSAGE,
- "Assertion failure at %s (%s:%d), triggered %u %s:" ENDLINE
- " '%s'",
- data->function, data->filename, data->linenum,
- data->trigger_count, (data->trigger_count == 1) ? "time" : "times",
- data->condition);
-
- debug_print("\n\n%s\n\n", message);
-
- /* let env. variable override, so unit tests won't block in a GUI. */
- envr = SDL_getenv("SDL_ASSERT");
- if (envr != NULL) {
- SDL_stack_free(message);
-
- if (SDL_strcmp(envr, "abort") == 0) {
- return SDL_ASSERTION_ABORT;
- } else if (SDL_strcmp(envr, "break") == 0) {
- return SDL_ASSERTION_BREAK;
- } else if (SDL_strcmp(envr, "retry") == 0) {
- return SDL_ASSERTION_RETRY;
- } else if (SDL_strcmp(envr, "ignore") == 0) {
- return SDL_ASSERTION_IGNORE;
- } else if (SDL_strcmp(envr, "always_ignore") == 0) {
- return SDL_ASSERTION_ALWAYS_IGNORE;
- } else {
- return SDL_ASSERTION_ABORT; /* oh well. */
- }
- }
-
- /* Leave fullscreen mode, if possible (scary!) */
- window = SDL_GetFocusWindow();
- if (window) {
- if (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) {
- SDL_MinimizeWindow(window);
- } else {
- /* !!! FIXME: ungrab the input if we're not fullscreen? */
- /* No need to mess with the window */
- window = NULL;
- }
- }
-
- /* Show a messagebox if we can, otherwise fall back to stdio */
- SDL_zero(messagebox);
- messagebox.flags = SDL_MESSAGEBOX_WARNING;
- messagebox.window = window;
- messagebox.title = "Assertion Failed";
- messagebox.message = message;
- messagebox.numbuttons = SDL_arraysize(buttons);
- messagebox.buttons = buttons;
-
- if (SDL_ShowMessageBox(&messagebox, &selected) == 0) {
- if (selected == -1) {
- state = SDL_ASSERTION_IGNORE;
- } else {
- state = (SDL_assert_state)selected;
- }
- }
-#ifdef HAVE_STDIO_H
- else
- {
- /* this is a little hacky. */
- for ( ; ; ) {
- char buf[32];
- fprintf(stderr, "Abort/Break/Retry/Ignore/AlwaysIgnore? [abriA] : ");
- fflush(stderr);
- if (fgets(buf, sizeof (buf), stdin) == NULL) {
- break;
- }
-
- if (SDL_strcmp(buf, "a") == 0) {
- state = SDL_ASSERTION_ABORT;
- break;
- } else if (SDL_strcmp(buf, "b") == 0) {
- state = SDL_ASSERTION_BREAK;
- break;
- } else if (SDL_strcmp(buf, "r") == 0) {
- state = SDL_ASSERTION_RETRY;
- break;
- } else if (SDL_strcmp(buf, "i") == 0) {
- state = SDL_ASSERTION_IGNORE;
- break;
- } else if (SDL_strcmp(buf, "A") == 0) {
- state = SDL_ASSERTION_ALWAYS_IGNORE;
- break;
- }
- }
- }
-#endif /* HAVE_STDIO_H */
-
- /* Re-enter fullscreen mode */
- if (window) {
- SDL_RestoreWindow(window);
- }
-
- SDL_stack_free(message);
-
- return state;
-}
-
-
-SDL_assert_state
-SDL_ReportAssertion(SDL_assert_data *data, const char *func, const char *file,
- int line)
-{
- static int assertion_running = 0;
- static SDL_SpinLock spinlock = 0;
- SDL_assert_state state = SDL_ASSERTION_IGNORE;
-
- SDL_AtomicLock(&spinlock);
- if (assertion_mutex == NULL) { /* never called SDL_Init()? */
- assertion_mutex = SDL_CreateMutex();
- if (assertion_mutex == NULL) {
- SDL_AtomicUnlock(&spinlock);
- return SDL_ASSERTION_IGNORE; /* oh well, I guess. */
- }
- }
- SDL_AtomicUnlock(&spinlock);
-
- if (SDL_LockMutex(assertion_mutex) < 0) {
- return SDL_ASSERTION_IGNORE; /* oh well, I guess. */
- }
-
- /* doing this because Visual C is upset over assigning in the macro. */
- if (data->trigger_count == 0) {
- data->function = func;
- data->filename = file;
- data->linenum = line;
- }
-
- SDL_AddAssertionToReport(data);
-
- assertion_running++;
- if (assertion_running > 1) { /* assert during assert! Abort. */
- if (assertion_running == 2) {
- SDL_AbortAssertion();
- } else if (assertion_running == 3) { /* Abort asserted! */
- SDL_ExitProcess(42);
- } else {
- while (1) { /* do nothing but spin; what else can you do?! */ }
- }
- }
-
- if (!data->always_ignore) {
- state = assertion_handler(data, assertion_userdata);
- }
-
- switch (state)
- {
- case SDL_ASSERTION_ABORT:
- SDL_AbortAssertion();
- return SDL_ASSERTION_IGNORE; /* shouldn't return, but oh well. */
-
- case SDL_ASSERTION_ALWAYS_IGNORE:
- state = SDL_ASSERTION_IGNORE;
- data->always_ignore = 1;
- break;
-
- case SDL_ASSERTION_IGNORE:
- case SDL_ASSERTION_RETRY:
- case SDL_ASSERTION_BREAK:
- break; /* macro handles these. */
- }
-
- assertion_running--;
- SDL_UnlockMutex(assertion_mutex);
-
- return state;
-}
-
-
-void SDL_AssertionsQuit(void)
-{
- SDL_GenerateAssertionReport();
- if (assertion_mutex != NULL) {
- SDL_DestroyMutex(assertion_mutex);
- assertion_mutex = NULL;
- }
-}
-
-void SDL_SetAssertionHandler(SDL_AssertionHandler handler, void *userdata)
-{
- if (handler != NULL) {
- assertion_handler = handler;
- assertion_userdata = userdata;
- } else {
- assertion_handler = SDL_PromptAssertion;
- assertion_userdata = NULL;
- }
-}
-
-const SDL_assert_data *SDL_GetAssertionReport(void)
-{
- return triggered_assertions;
-}
-
-void SDL_ResetAssertionReport(void)
-{
- SDL_assert_data *next = NULL;
- SDL_assert_data *item;
- for (item = triggered_assertions; item != NULL; item = next) {
- next = (SDL_assert_data *) item->next;
- item->always_ignore = SDL_FALSE;
- item->trigger_count = 0;
- item->next = NULL;
- }
-
- triggered_assertions = NULL;
-}
-
-SDL_AssertionHandler SDL_GetDefaultAssertionHandler(void)
-{
- return SDL_PromptAssertion;
-}
-
-SDL_AssertionHandler SDL_GetAssertionHandler(void **userdata)
-{
- if (userdata != NULL) {
- *userdata = assertion_userdata;
- }
- return assertion_handler;
-}
-
-/* vi: set ts=4 sw=4 expandtab: */