1// tAssert.cpp 
2// 
3// Tacent asserts and warnings. 
4// 
5// Copyright (c) 2004-2006, 2015, 2017 Tristan Grimmer. 
6// Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby 
7// granted, provided that the above copyright notice and this permission notice appear in all copies. 
8// 
9// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL 
10// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, 
11// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 
12// AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 
13// PERFORMANCE OF THIS SOFTWARE. 
14 
15#include <stdio.h> 
16#include "Foundation/tPlatform.h" 
17#ifdef PLATFORM_WINDOWS 
18#include <signal.h> 
19#include <Windows.h> 
20#endif 
21 
22 
23void tAbort() 
24{ 
25 // Note the use of stdio printf here to reduce dependencies. 
26 printf("%s(%d) Tacent Abort\n", __FILE__, __LINE__); 
27 abort(); 
28} 
29 
30 
31void tAssertPrintBreak(const char* expr, const char* fileName, int lineNum, const char* msg) 
32{ 
33 const int assertMessageSize = 4*1024; 
34 char message[assertMessageSize]; 
35 
36 snprintf 
37 ( 
38 message, assertMessageSize, 
39 "Tacent Assert Failed.\n\n" 
40 "Expr: [%s]\n" 
41 "File: [%s]\n" 
42 "Line: [%d]\n" 
43 "Msg : [%s]\n\n" 
44 #ifdef PLATFORM_WINDOWS 
45 "Press 'Abort' to abort the program completely.\n" 
46 "Press 'Retry' to start debugging.\n" 
47 "Press 'Ignore' to try and move past this assert and continue running.\n" 
48 #endif 
49 , 
50 expr, fileName, lineNum, msg ? msg : "None" 
51 ); 
52 printf("%s", message); 
53 
54 #ifdef PLATFORM_WINDOWS 
55 // In windows we bring up a message box. 
56 int retCode = ::MessageBox 
57 ( 
58 0, message, "Tacent Assert", 
59 MB_ABORTRETRYIGNORE | MB_ICONHAND | MB_SETFOREGROUND | MB_TASKMODAL 
60 ); 
61 
62 switch (retCode) 
63 { 
64 case IDABORT: 
65 // Exit ungracefully. 
66 raise(SIGABRT); 
67 _exit(200); 
68 break; 
69 
70 case IDRETRY: 
71 // Attempt break to debugger. 
72 __debugbreak(); 
73 return; 
74 
75 case IDIGNORE: 
76 return; 
77 } 
78 #endif 
79} 
80