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annotate src/SDL_assert.c @ 3661:22b6a0c7ea6e

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Handle assertion failures during assertion handler.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 13 Jan 2010 09:13:37 +0000
parents eaea59cee6f2
children 6a0b3048f271
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #include "SDL.h"
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24 #include "SDL_assert.h"
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25
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26 #if (SDL_ASSERT_LEVEL > 0)
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27
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28 #ifdef _WINDOWS
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29 #define WIN32_LEAN_AND_MEAN 1
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30 #include <windows.h>
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31 #else /* fprintf, _exit(), etc. */
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32 #include <stdio.h>
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33 #include <stdlib.h>
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34 #include <unistd.h>
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35 #endif
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36
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37 /* We can keep all triggered assertions in a singly-linked list so we can
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38 * generate a report later.
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39 */
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40 #if !SDL_ASSERTION_REPORT_DISABLED
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41 static SDL_assert_data assertion_list_terminator = { 0, 0, 0, 0, 0, 0, 0 };
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42 static SDL_assert_data *triggered_assertions = &assertion_list_terminator;
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43 #endif
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44
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45 #ifdef __GNUC__
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46 static void
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47 debug_print(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
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48 #endif
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49
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50 static void
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51 debug_print(const char *fmt, ...)
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52 {
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53 #ifdef _WINDOWS
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54 /* Format into a buffer for OutputDebugStringA(). */
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55 char buf[1024];
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56 char *startptr;
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57 char *ptr;
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58 int len;
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59 va_list ap;
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60 va_start(ap, fmt);
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61 len = (int) SDL_vsnprintf(buf, sizeof (buf), fmt, ap);
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62 va_end(ap);
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63
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64 /* Visual C's vsnprintf() may not null-terminate the buffer. */
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65 if ((len >= sizeof (buf)) || (len < 0)) {
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66 buf[sizeof (buf) - 1] = '\0';
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67 }
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68
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69 /* Write it, sorting out the Unix newlines... */
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70 startptr = buf;
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71 for (ptr = startptr; *ptr; ptr++) {
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72 if (*ptr == '\n') {
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73 *ptr = '\0';
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74 OutputDebugStringA(startptr);
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75 OutputDebugStringA("\r\n");
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76 startptr = ptr+1;
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77 }
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78 }
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79
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80 /* catch that last piece if it didn't have a newline... */
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81 if (startptr != ptr) {
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82 OutputDebugStringA(startptr);
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83 }
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84 #else
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85 /* Unix has it easy. Just dump it to stderr. */
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86 va_list ap;
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87 va_start(ap, fmt);
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88 fprintf(stderr, fmt, ap);
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89 va_end(ap);
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90 fflush(stderr);
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91 #endif
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92 }
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93
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94
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95 #ifdef _WINDOWS
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96 static SDL_assert_state SDL_Windows_AssertChoice = SDL_ASSERTION_ABORT;
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97 static const SDL_assert_data *SDL_Windows_AssertData = NULL;
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98
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99 static LRESULT CALLBACK
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100 SDL_Assertion_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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101 {
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102 switch (msg)
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103 {
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104 case WM_CREATE:
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105 {
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106 /* !!! FIXME: all this code stinks. */
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107 const SDL_assert_data *data = SDL_Windows_AssertData;
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108 char buf[1024];
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109 const int w = 100;
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110 const int h = 25;
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111 const int gap = 10;
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112 int x = gap;
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113 int y = 50;
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114 int len;
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115 int i;
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116 static const struct {
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117 const char *name;
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118 SDL_assert_state state;
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119 } buttons[] = {
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120 {"Abort", SDL_ASSERTION_ABORT },
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121 {"Break", SDL_ASSERTION_BREAK },
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122 {"Retry", SDL_ASSERTION_RETRY },
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123 {"Ignore", SDL_ASSERTION_IGNORE },
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124 {"Always Ignore", SDL_ASSERTION_ALWAYS_IGNORE },
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125 };
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126
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127 len = (int) SDL_snprintf(buf, sizeof (buf),
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128 "Assertion failure at %s (%s:%d), triggered %u time%s:\r\n '%s'",
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129 data->function, data->filename, data->linenum,
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130 data->trigger_count, (data->trigger_count == 1) ? "" : "s",
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131 data->condition);
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132 if ((len < 0) || (len >= sizeof (buf))) {
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133 buf[sizeof (buf) - 1] = '\0';
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134 }
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135
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136 CreateWindowA("STATIC", buf,
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137 WS_VISIBLE | WS_CHILD | SS_LEFT,
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138 x, y, 550, 100,
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139 hwnd, (HMENU) 1, NULL, NULL);
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diff changeset
140 y += 110;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 for (i = 0; i < (sizeof (buttons) / sizeof (buttons[0])); i++) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 CreateWindowA("BUTTON", buttons[i].name,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 WS_VISIBLE | WS_CHILD,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 x, y, w, h,
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 hwnd, (HMENU) buttons[i].state, NULL, NULL);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 x += w + gap;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 case WM_COMMAND:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 SDL_Windows_AssertChoice = ((SDL_assert_state) (LOWORD(wParam)));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 SDL_Windows_AssertData = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 case WM_DESTROY:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 SDL_Windows_AssertData = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
161
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 return DefWindowProc(hwnd, msg, wParam, lParam);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 static SDL_assert_state
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 SDL_PromptAssertion_windows(const SDL_assert_data *data)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 HINSTANCE hInstance = 0; /* !!! FIXME? */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 HWND hwnd;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 MSG msg;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 WNDCLASS wc = {0};
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 SDL_Windows_AssertChoice = SDL_ASSERTION_ABORT;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 SDL_Windows_AssertData = data;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 wc.lpszClassName = TEXT("SDL_assert");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 wc.hInstance = hInstance ;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 wc.lpfnWndProc = SDL_Assertion_WndProc;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 wc.hCursor = LoadCursor(0, IDC_ARROW);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 RegisterClass(&wc);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 hwnd = CreateWindow(wc.lpszClassName, TEXT("SDL assertion failure"),
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 WS_OVERLAPPEDWINDOW | WS_VISIBLE,
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 150, 150, 570, 260, 0, 0, hInstance, 0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 while (GetMessage(&msg, NULL, 0, 0) && (SDL_Windows_AssertData != NULL)) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 TranslateMessage(&msg);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 DispatchMessage(&msg);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 DestroyWindow(hwnd);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 UnregisterClass(wc.lpszClassName, hInstance);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 return SDL_Windows_AssertChoice;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 static void SDL_AddAssertionToReport(SDL_assert_data *data)
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 #if !SDL_ASSERTION_REPORT_DISABLED
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 /* (data) is always a static struct defined with the assert macros, so
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 we don't have to worry about copying or allocating them. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 if (data->next == NULL) { /* not yet added? */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 data->next = triggered_assertions;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 triggered_assertions = data;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 static void SDL_GenerateAssertionReport(void)
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 #if !SDL_ASSERTION_REPORT_DISABLED
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 if (triggered_assertions != &assertion_list_terminator)
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 SDL_assert_data *item = triggered_assertions;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 debug_print("\n\nSDL assertion report.\n");
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 debug_print("All SDL assertions between last init/quit:\n\n");
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 while (item != &assertion_list_terminator) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 debug_print(
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 "'%s'\n"
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 " * %s (%s:%d)\n"
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 " * triggered %u time%s.\n"
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 " * always ignore: %s.\n",
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 item->condition, item->function, item->filename,
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 item->linenum, item->trigger_count,
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 (item->trigger_count == 1) ? "" : "s",
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 item->always_ignore ? "yes" : "no");
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 item = item->next;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 debug_print("\n");
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 triggered_assertions = &assertion_list_terminator;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
240 static void SDL_ExitProcess(int exitcode)
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 #ifdef _WINDOWS
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 ExitProcess(42);
3656
f17ea6f49745 Assume _exit() is available. It may be, even if unix isn't defined.
Sam Lantinga <slouken@libsdl.org>
parents: 3655
diff changeset
244 #else
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 _exit(42);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 }
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
248
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
249 static void SDL_AbortAssertion(void)
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
250 {
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
251 SDL_Quit();
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
252 SDL_ExitProcess(42);
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
253 }
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
254
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 static SDL_assert_state SDL_PromptAssertion(const SDL_assert_data *data)
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 const char *envr;
3657
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
Sam Lantinga <slouken@libsdl.org>
parents: 3656
diff changeset
259 SDL_assert_state state = SDL_ASSERTION_ABORT;
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
Sam Lantinga <slouken@libsdl.org>
parents: 3656
diff changeset
260 SDL_WindowID window;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 debug_print("\n\n"
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 "Assertion failure at %s (%s:%d), triggered %u time%s:\n"
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 " '%s'\n"
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 "\n",
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 data->function, data->filename, data->linenum,
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 data->trigger_count, (data->trigger_count == 1) ? "" : "s",
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 data->condition);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269
3655
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
270 /* let env. variable override, so unit tests won't block in a GUI. */
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 envr = SDL_getenv("SDL_ASSERT");
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 if (envr != NULL) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 if (SDL_strcmp(envr, "abort") == 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 return SDL_ASSERTION_ABORT;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 } else if (SDL_strcmp(envr, "break") == 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 return SDL_ASSERTION_BREAK;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 } else if (SDL_strcmp(envr, "retry") == 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 return SDL_ASSERTION_RETRY;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 } else if (SDL_strcmp(envr, "ignore") == 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 return SDL_ASSERTION_IGNORE;
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parents:
diff changeset
281 } else if (SDL_strcmp(envr, "always_ignore") == 0) {
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parents:
diff changeset
282 return SDL_ASSERTION_ALWAYS_IGNORE;
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parents:
diff changeset
283 } else {
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parents:
diff changeset
284 return SDL_ASSERTION_ABORT; /* oh well. */
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parents:
diff changeset
285 }
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parents:
diff changeset
286 }
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parents:
diff changeset
287
3657
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diff changeset
288 /* Leave fullscreen mode, if possible (scary!) */
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diff changeset
289 window = SDL_GetFocusWindow();
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diff changeset
290 if (window) {
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diff changeset
291 if (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) {
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diff changeset
292 SDL_MinimizeWindow(window);
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parents: 3656
diff changeset
293 } else {
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diff changeset
294 /* No need to mess with the window */
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diff changeset
295 window = 0;
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diff changeset
296 }
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diff changeset
297 }
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298
3647
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299 /* platform-specific UI... */
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300
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parents:
diff changeset
301 #ifdef _WINDOWS
3657
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diff changeset
302 state = SDL_PromptAssertion_windows(data);
3647
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303
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parents:
diff changeset
304 #elif __APPLE__
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parents:
diff changeset
305 /* This has to be done in an Objective-C (*.m) file, so we call out. */
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parents:
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306 extern SDL_assert_state SDL_PromptAssertion_cocoa(const SDL_assert_data *);
3657
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307 state = SDL_PromptAssertion_cocoa(data);
3647
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diff changeset
308
3657
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diff changeset
309 #else
3647
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diff changeset
310 /* this is a little hacky. */
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parents:
diff changeset
311 for ( ; ; ) {
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parents:
diff changeset
312 char buf[32];
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parents:
diff changeset
313 fprintf(stderr, "Abort/Break/Retry/Ignore/AlwaysIgnore? [abriA] : ");
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
314 fflush(stderr);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 if (fgets(buf, sizeof (buf), stdin) == NULL) {
3657
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
316 break;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
317 }
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parents:
diff changeset
318
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parents:
diff changeset
319 if (SDL_strcmp(buf, "a") == 0) {
3657
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diff changeset
320 state = SDL_ASSERTION_ABORT;
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diff changeset
321 break;
3647
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parents:
diff changeset
322 } else if (SDL_strcmp(envr, "b") == 0) {
3657
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diff changeset
323 state = SDL_ASSERTION_BREAK;
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
Sam Lantinga <slouken@libsdl.org>
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diff changeset
324 break;
3647
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 } else if (SDL_strcmp(envr, "r") == 0) {
3657
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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parents: 3656
diff changeset
326 state = SDL_ASSERTION_RETRY;
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diff changeset
327 break;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
328 } else if (SDL_strcmp(envr, "i") == 0) {
3657
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
329 state = SDL_ASSERTION_IGNORE;
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
Sam Lantinga <slouken@libsdl.org>
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diff changeset
330 break;
3647
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parents:
diff changeset
331 } else if (SDL_strcmp(envr, "A") == 0) {
3657
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
332 state = SDL_ASSERTION_ALWAYS_IGNORE;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
333 break;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
334 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
335 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
336 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
337
3657
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diff changeset
338 /* Re-enter fullscreen mode */
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diff changeset
339 if (window) {
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diff changeset
340 SDL_RestoreWindow(window);
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
Sam Lantinga <slouken@libsdl.org>
parents: 3656
diff changeset
341 }
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
342
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
343 return state;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
344 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
345
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
346
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
347 static SDL_mutex *assertion_mutex = NULL;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
348
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
349 SDL_assert_state
3655
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
350 SDL_ReportAssertion(SDL_assert_data *data, const char *func, const char *file,
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
351 int line)
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 {
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
353 static int assertion_running = 0;
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
354 SDL_assert_state state = SDL_ASSERTION_IGNORE;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 if (SDL_LockMutex(assertion_mutex) < 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 return SDL_ASSERTION_IGNORE; /* oh well, I guess. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 /* doing this because Visual C is upset over assigning in the macro. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 if (data->trigger_count == 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 data->function = func;
3655
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
363 data->filename = file;
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
364 data->linenum = line;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 SDL_AddAssertionToReport(data);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 data->trigger_count++;
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
370
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
371 assertion_running++;
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
372 if (assertion_running > 1) { /* assert during assert! Abort. */
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
373 if (assertion_running == 2) {
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
374 SDL_AbortAssertion();
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
375 } else if (assertion_running == 3) { /* Abort asserted! */
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
376 SDL_ExitProcess(42);
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
377 } else {
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
378 while (1) { /* do nothing but spin; what else can you do?! */ }
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
379 }
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
382 if (!data->always_ignore) {
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
383 state = SDL_PromptAssertion(data);
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
384 }
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 switch (state)
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 case SDL_ASSERTION_ABORT:
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 SDL_AbortAssertion();
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 return SDL_ASSERTION_IGNORE; /* shouldn't return, but oh well. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 case SDL_ASSERTION_ALWAYS_IGNORE:
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 state = SDL_ASSERTION_IGNORE;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 data->always_ignore = 1;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 break;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 case SDL_ASSERTION_IGNORE:
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 case SDL_ASSERTION_RETRY:
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 case SDL_ASSERTION_BREAK:
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 break; /* macro handles these. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
403 assertion_running--;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 SDL_UnlockMutex(assertion_mutex);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 return state;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 #endif /* SDL_ASSERT_LEVEL > 0 */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 int SDL_AssertionsInit(void)
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 #if (SDL_ASSERT_LEVEL > 0)
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 assertion_mutex = SDL_CreateMutex();
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 if (assertion_mutex == NULL) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 return -1;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 return 0;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422
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423 void SDL_AssertionsQuit(void)
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424 {
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425 #if (SDL_ASSERT_LEVEL > 0)
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426 SDL_GenerateAssertionReport();
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427 SDL_DestroyMutex(assertion_mutex);
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428 assertion_mutex = NULL;
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429 #endif
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430 }
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431
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432 /* vi: set ts=4 sw=4 expandtab: */