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1/////////////////////////////////////////////////////////////////////////////
2// Name: log.cpp
3// Purpose: Assorted wxLogXXX functions, and wxLog (sink for logs)
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 29/01/98
7// RCS-ID: $Id$
8// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9// Licence: wxWindows license
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "log.h"
22#endif
23
24// For compilers that support precompilation, includes "wx.h".
25#include "wx/wxprec.h"
26
27#ifdef __BORLANDC__
28 #pragma hdrstop
29#endif
30
31// wxWindows
32#ifndef WX_PRECOMP
33 #include "wx/string.h"
34 #include "wx/intl.h"
35 #include "wx/app.h"
36
37 #if wxUSE_GUI
38 #include "wx/window.h"
39 #ifdef __WXMSW__
40 #include "wx/msw/private.h"
41 #endif
42 #include "wx/msgdlg.h"
43 #endif
44#endif //WX_PRECOMP
45
46#include "wx/file.h"
47#include "wx/textfile.h"
48#include "wx/utils.h"
49#include "wx/wxchar.h"
50#include "wx/log.h"
51#include "wx/thread.h"
52
53#if wxUSE_LOG
54
55// other standard headers
56#include <errno.h>
57#include <stdlib.h>
58#include <time.h>
59
60#if defined(__WXMSW__)
61 #include "wx/msw/private.h" // includes windows.h for OutputDebugString
62#endif
63
64#if !defined(__WXMSW__) || defined(__WXMICROWIN__)
65 #include <signal.h>
66#endif //Win/Unix
67
68// ----------------------------------------------------------------------------
69// non member functions
70// ----------------------------------------------------------------------------
71
72// define this to enable wrapping of log messages
73//#define LOG_PRETTY_WRAP
74
75#ifdef LOG_PRETTY_WRAP
76 static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz);
77#endif
78
79// ============================================================================
80// implementation
81// ============================================================================
82
83// ----------------------------------------------------------------------------
84// globals
85// ----------------------------------------------------------------------------
86
87// log functions can't allocate memory (LogError("out of memory...") should
88// work!), so we use a static buffer for all log messages
89#define LOG_BUFFER_SIZE (4096)
90
91// static buffer for error messages
92static wxChar s_szBuf[LOG_BUFFER_SIZE];
93
94#if wxUSE_THREADS
95
96// the critical section protecting the static buffer
97static wxCriticalSection gs_csLogBuf;
98
99#endif // wxUSE_THREADS
100
101// return true if we have a non NULL non disabled log target
102static inline bool IsLoggingEnabled()
103{
104 return wxLog::IsEnabled() && (wxLog::GetActiveTarget() != NULL);
105}
106
107// ----------------------------------------------------------------------------
108// implementation of Log functions
109//
110// NB: unfortunately we need all these distinct functions, we can't make them
111// macros and not all compilers inline vararg functions.
112// ----------------------------------------------------------------------------
113
114// generic log function
115void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
116{
117 if ( IsLoggingEnabled() ) {
118 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
119
120 va_list argptr;
121 va_start(argptr, szFormat);
122 wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
123 va_end(argptr);
124
125 wxLog::OnLog(level, s_szBuf, time(NULL));
126 }
127}
128
129#define IMPLEMENT_LOG_FUNCTION(level) \
130 void wxLog##level(const wxChar *szFormat, ...) \
131 { \
132 if ( IsLoggingEnabled() ) { \
133 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
134 \
135 va_list argptr; \
136 va_start(argptr, szFormat); \
137 wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); \
138 va_end(argptr); \
139 \
140 wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
141 } \
142 }
143
144IMPLEMENT_LOG_FUNCTION(FatalError)
145IMPLEMENT_LOG_FUNCTION(Error)
146IMPLEMENT_LOG_FUNCTION(Warning)
147IMPLEMENT_LOG_FUNCTION(Message)
148IMPLEMENT_LOG_FUNCTION(Info)
149IMPLEMENT_LOG_FUNCTION(Status)
150
151// same as info, but only if 'verbose' mode is on
152void wxLogVerbose(const wxChar *szFormat, ...)
153{
154 if ( IsLoggingEnabled() ) {
155 wxLog *pLog = wxLog::GetActiveTarget();
156 if ( pLog != NULL && pLog->GetVerbose() ) {
157 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
158
159 va_list argptr;
160 va_start(argptr, szFormat);
161 wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
162 va_end(argptr);
163
164 wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));
165 }
166 }
167}
168
169// debug functions
170#ifdef __WXDEBUG__
171#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \
172 void wxLog##level(const wxChar *szFormat, ...) \
173 { \
174 if ( IsLoggingEnabled() ) { \
175 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
176 \
177 va_list argptr; \
178 va_start(argptr, szFormat); \
179 wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); \
180 va_end(argptr); \
181 \
182 wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
183 } \
184 }
185
186 void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
187 {
188 if ( IsLoggingEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
189 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
190
191 wxChar *p = s_szBuf;
192 size_t len = WXSIZEOF(s_szBuf);
193 wxStrncpy(s_szBuf, _T("("), len);
194 len -= 1; // strlen("(")
195 p += 1;
196 wxStrncat(p, mask, len);
197 size_t lenMask = wxStrlen(mask);
198 len -= lenMask;
199 p += lenMask;
200
201 wxStrncat(p, _T(") "), len);
202 len -= 2;
203 p += 2;
204
205 va_list argptr;
206 va_start(argptr, szFormat);
207 wxVsnprintf(p, len, szFormat, argptr);
208 va_end(argptr);
209
210 wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
211 }
212 }
213
214 void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
215 {
216 // we check that all of mask bits are set in the current mask, so
217 // that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
218 // if both bits are set.
219 if ( IsLoggingEnabled() && ((wxLog::GetTraceMask() & mask) == mask) ) {
220 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
221
222 va_list argptr;
223 va_start(argptr, szFormat);
224 wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
225 va_end(argptr);
226
227 wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
228 }
229 }
230
231#else // release
232 #define IMPLEMENT_LOG_DEBUG_FUNCTION(level)
233#endif
234
235IMPLEMENT_LOG_DEBUG_FUNCTION(Debug)
236IMPLEMENT_LOG_DEBUG_FUNCTION(Trace)
237
238// wxLogSysError: one uses the last error code, for other you must give it
239// explicitly
240
241// common part of both wxLogSysError
242void wxLogSysErrorHelper(long lErrCode)
243{
244 wxChar szErrMsg[LOG_BUFFER_SIZE / 2];
245 wxSnprintf(szErrMsg, WXSIZEOF(szErrMsg),
246 _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
247 wxStrncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - wxStrlen(s_szBuf));
248
249 wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL));
250}
251
252void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
253{
254 if ( IsLoggingEnabled() ) {
255 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
256
257 va_list argptr;
258 va_start(argptr, szFormat);
259 wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
260 va_end(argptr);
261
262 wxLogSysErrorHelper(wxSysErrorCode());
263 }
264}
265
266void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
267{
268 if ( IsLoggingEnabled() ) {
269 wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
270
271 va_list argptr;
272 va_start(argptr, szFormat);
273 wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
274 va_end(argptr);
275
276 wxLogSysErrorHelper(lErrCode);
277 }
278}
279
280// ----------------------------------------------------------------------------
281// wxLog class implementation
282// ----------------------------------------------------------------------------
283
284wxLog::wxLog()
285{
286 m_bHasMessages = FALSE;
287 m_bVerbose = FALSE;
288}
289
290wxLog *wxLog::GetActiveTarget()
291{
292 if ( ms_bAutoCreate && ms_pLogger == NULL ) {
293 // prevent infinite recursion if someone calls wxLogXXX() from
294 // wxApp::CreateLogTarget()
295 static bool s_bInGetActiveTarget = FALSE;
296 if ( !s_bInGetActiveTarget ) {
297 s_bInGetActiveTarget = TRUE;
298
299 // ask the application to create a log target for us
300 if ( wxTheApp != NULL )
301 ms_pLogger = wxTheApp->CreateLogTarget();
302 else
303 ms_pLogger = new wxLogStderr;
304
305 s_bInGetActiveTarget = FALSE;
306
307 // do nothing if it fails - what can we do?
308 }
309 }
310
311 return ms_pLogger;
312}
313
314wxLog *wxLog::SetActiveTarget(wxLog *pLogger)
315{
316 if ( ms_pLogger != NULL ) {
317 // flush the old messages before changing because otherwise they might
318 // get lost later if this target is not restored
319 ms_pLogger->Flush();
320 }
321
322 wxLog *pOldLogger = ms_pLogger;
323 ms_pLogger = pLogger;
324
325 return pOldLogger;
326}
327
328void wxLog::DontCreateOnDemand()
329{
330 ms_bAutoCreate = FALSE;
331
332 // this is usually called at the end of the program and we assume that it
333 // is *always* called at the end - so we free memory here to avoid false
334 // memory leak reports from wxWin memory tracking code
335 ClearTraceMasks();
336}
337
338void wxLog::RemoveTraceMask(const wxString& str)
339{
340 int index = ms_aTraceMasks.Index(str);
341 if ( index != wxNOT_FOUND )
342 ms_aTraceMasks.Remove((size_t)index);
343}
344
345void wxLog::ClearTraceMasks()
346{
347 ms_aTraceMasks.Clear();
348}
349
350void wxLog::TimeStamp(wxString *str)
351{
352 if ( ms_timestamp )
353 {
354 wxChar buf[256];
355 time_t timeNow;
356 (void)time(&timeNow);
357 wxStrftime(buf, WXSIZEOF(buf), ms_timestamp, localtime(&timeNow));
358
359 str->Empty();
360 *str << buf << wxT(": ");
361 }
362}
363
364void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
365{
366 switch ( level ) {
367 case wxLOG_FatalError:
368 DoLogString(wxString(_("Fatal error: ")) + szString, t);
369 DoLogString(_("Program aborted."), t);
370 Flush();
371 abort();
372 break;
373
374 case wxLOG_Error:
375 DoLogString(wxString(_("Error: ")) + szString, t);
376 break;
377
378 case wxLOG_Warning:
379 DoLogString(wxString(_("Warning: ")) + szString, t);
380 break;
381
382 case wxLOG_Info:
383 if ( GetVerbose() )
384 case wxLOG_Message:
385 case wxLOG_Status:
386 default: // log unknown log levels too
387 DoLogString(szString, t);
388 break;
389
390 case wxLOG_Trace:
391 case wxLOG_Debug:
392#ifdef __WXDEBUG__
393 {
394 wxString msg = level == wxLOG_Trace ? wxT("Trace: ")
395 : wxT("Debug: ");
396 msg << szString;
397 DoLogString(msg, t);
398 }
399#endif // Debug
400 break;
401 }
402}
403
404void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t))
405{
406 wxFAIL_MSG(wxT("DoLogString must be overriden if it's called."));
407}
408
409void wxLog::Flush()
410{
411 // do nothing
412}
413
414// ----------------------------------------------------------------------------
415// wxLogStderr class implementation
416// ----------------------------------------------------------------------------
417
418wxLogStderr::wxLogStderr(FILE *fp)
419{
420 if ( fp == NULL )
421 m_fp = stderr;
422 else
423 m_fp = fp;
424}
425
426#if defined(__WXMAC__) && !defined(__UNIX__)
427#define kDebuggerSignature 'MWDB'
428
429static Boolean FindProcessBySignature(OSType signature, ProcessInfoRec* info)
430{
431 OSErr err;
432 ProcessSerialNumber psn;
433 Boolean found = false;
434 psn.highLongOfPSN = 0;
435 psn.lowLongOfPSN = kNoProcess;
436
437 if (!info) return false;
438
439 info->processInfoLength = sizeof(ProcessInfoRec);
440 info->processName = NULL;
441 info->processAppSpec = NULL;
442
443 err = noErr;
444 while (!found && err == noErr)
445 {
446 err = GetNextProcess(&psn);
447 if (err == noErr)
448 {
449 err = GetProcessInformation(&psn, info);
450 found = err == noErr && info->processSignature == signature;
451 }
452 }
453 return found;
454}
455
456pascal Boolean MWDebuggerIsRunning(void)
457{
458 ProcessInfoRec info;
459 return FindProcessBySignature(kDebuggerSignature, &info);
460}
461
462pascal OSErr AmIBeingMWDebugged(Boolean* result)
463{
464 OSErr err;
465 ProcessSerialNumber psn;
466 OSType sig = kDebuggerSignature;
467 AppleEvent theAE = {typeNull, NULL};
468 AppleEvent theReply = {typeNull, NULL};
469 AEAddressDesc addr = {typeNull, NULL};
470 DescType actualType;
471 Size actualSize;
472
473 if (!result) return paramErr;
474
475 err = AECreateDesc(typeApplSignature, &sig, sizeof(sig), &addr);
476 if (err != noErr) goto exit;
477
478 err = AECreateAppleEvent('MWDB', 'Dbg?', &addr,
479 kAutoGenerateReturnID, kAnyTransactionID, &theAE);
480 if (err != noErr) goto exit;
481
482 GetCurrentProcess(&psn);
483 err = AEPutParamPtr(&theAE, keyDirectObject, typeProcessSerialNumber,
484 &psn, sizeof(psn));
485 if (err != noErr) goto exit;
486
487 err = AESend(&theAE, &theReply, kAEWaitReply, kAENormalPriority,
488 kAEDefaultTimeout, NULL, NULL);
489 if (err != noErr) goto exit;
490
491 err = AEGetParamPtr(&theReply, keyAEResult, typeBoolean, &actualType, result,
492 sizeof(Boolean), &actualSize);
493
494exit:
495 if (addr.dataHandle)
496 AEDisposeDesc(&addr);
497 if (theAE.dataHandle)
498 AEDisposeDesc(&theAE);
499 if (theReply.dataHandle)
500 AEDisposeDesc(&theReply);
501
502 return err;
503}
504#endif
505
506void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
507{
508 wxString str;
509 TimeStamp(&str);
510 str << szString;
511
512 fputs(str.mb_str(), m_fp);
513 fputc(_T('\n'), m_fp);
514 fflush(m_fp);
515
516 // under Windows, programs usually don't have stderr at all, so show the
517 // messages also under debugger - unless it's a console program
518#if defined(__WXMSW__) && wxUSE_GUI && !defined(__WXMICROWIN__)
519 str += wxT("\r\n") ;
520 OutputDebugString(str.c_str());
521#endif // MSW
522#if defined(__WXMAC__) && !defined(__WXMAC_X__) && wxUSE_GUI
523 Str255 pstr ;
524 strcpy( (char*) pstr , str.c_str() ) ;
525 strcat( (char*) pstr , ";g" ) ;
526 c2pstr( (char*) pstr ) ;
527#if __WXDEBUG__
528 Boolean running = false ;
529
530/*
531 if ( MWDebuggerIsRunning() )
532 {
533 AmIBeingMWDebugged( &running ) ;
534 }
535*/
536 if (running)
537 {
538 #ifdef __powerc
539 DebugStr(pstr);
540 #else
541 SysBreakStr(pstr);
542 #endif
543 }
544 else
545#endif
546 {
547 #ifdef __powerc
548 DebugStr(pstr);
549 #else
550 DebugStr(pstr);
551 #endif
552 }
553#endif // Mac
554}
555
556// ----------------------------------------------------------------------------
557// wxLogStream implementation
558// ----------------------------------------------------------------------------
559
560#if wxUSE_STD_IOSTREAM
561wxLogStream::wxLogStream(wxSTD ostream *ostr)
562{
563 if ( ostr == NULL )
564 m_ostr = &wxSTD cerr;
565 else
566 m_ostr = ostr;
567}
568
569void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
570{
571 wxString str;
572 TimeStamp(&str);
573 (*m_ostr) << str << wxConvertWX2MB(szString) << wxSTD endl;
574}
575#endif // wxUSE_STD_IOSTREAM
576
577// ============================================================================
578// Global functions/variables
579// ============================================================================
580
581// ----------------------------------------------------------------------------
582// static variables
583// ----------------------------------------------------------------------------
584
585wxLog *wxLog::ms_pLogger = (wxLog *)NULL;
586bool wxLog::ms_doLog = TRUE;
587bool wxLog::ms_bAutoCreate = TRUE;
588
589size_t wxLog::ms_suspendCount = 0;
590
591#if wxUSE_GUI
592 const wxChar *wxLog::ms_timestamp = wxT("%X"); // time only, no date
593#else
594 const wxChar *wxLog::ms_timestamp = NULL; // save space
595#endif
596
597wxTraceMask wxLog::ms_ulTraceMask = (wxTraceMask)0;
598wxArrayString wxLog::ms_aTraceMasks;
599
600// ----------------------------------------------------------------------------
601// stdout error logging helper
602// ----------------------------------------------------------------------------
603
604// helper function: wraps the message and justifies it under given position
605// (looks more pretty on the terminal). Also adds newline at the end.
606//
607// TODO this is now disabled until I find a portable way of determining the
608// terminal window size (ok, I found it but does anybody really cares?)
609#ifdef LOG_PRETTY_WRAP
610static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz)
611{
612 size_t nMax = 80; // FIXME
613 size_t nStart = strlen(pszPrefix);
614 fputs(pszPrefix, f);
615
616 size_t n;
617 while ( *psz != '\0' ) {
618 for ( n = nStart; (n < nMax) && (*psz != '\0'); n++ )
619 putc(*psz++, f);
620
621 // wrapped?
622 if ( *psz != '\0' ) {
623 /*putc('\n', f);*/
624 for ( n = 0; n < nStart; n++ )
625 putc(' ', f);
626
627 // as we wrapped, squeeze all white space
628 while ( isspace(*psz) )
629 psz++;
630 }
631 }
632
633 putc('\n', f);
634}
635#endif //LOG_PRETTY_WRAP
636
637// ----------------------------------------------------------------------------
638// error code/error message retrieval functions
639// ----------------------------------------------------------------------------
640
641// get error code from syste
642unsigned long wxSysErrorCode()
643{
644#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
645#ifdef __WIN32__
646 return ::GetLastError();
647#else //WIN16
648 // TODO what to do on Windows 3.1?
649 return 0;
650#endif //WIN16/32
651#else //Unix
652 return errno;
653#endif //Win/Unix
654}
655
656// get error message from system
657const wxChar *wxSysErrorMsg(unsigned long nErrCode)
658{
659 if ( nErrCode == 0 )
660 nErrCode = wxSysErrorCode();
661
662#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
663#ifdef __WIN32__
664 static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
665
666 // get error message from system
667 LPVOID lpMsgBuf;
668 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
669 NULL, nErrCode,
670 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
671 (LPTSTR)&lpMsgBuf,
672 0, NULL);
673
674 // copy it to our buffer and free memory
675 wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
676 s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
677 LocalFree(lpMsgBuf);
678
679 // returned string is capitalized and ended with '\r\n' - bad
680 s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);
681 size_t len = wxStrlen(s_szBuf);
682 if ( len > 0 ) {
683 // truncate string
684 if ( s_szBuf[len - 2] == wxT('\r') )
685 s_szBuf[len - 2] = wxT('\0');
686 }
687
688 return s_szBuf;
689#else //Win16
690 // TODO
691 return NULL;
692#endif // Win16/32
693#else // Unix
694#if wxUSE_UNICODE
695 static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
696 wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
697 return s_szBuf;
698#else
699 return strerror((int)nErrCode);
700#endif
701#endif // Win/Unix
702}
703
704// ----------------------------------------------------------------------------
705// debug helper
706// ----------------------------------------------------------------------------
707
708#ifdef __WXDEBUG__
709
710// wxASSERT() helper
711bool wxAssertIsEqual(int x, int y)
712{
713 return x == y;
714}
715
716// break into the debugger
717void wxTrap()
718{
719#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
720 DebugBreak();
721#elif defined(__WXMAC__)
722#if __powerc
723 Debugger();
724#else
725 SysBreak();
726#endif
727#elif defined(__UNIX__)
728 raise(SIGTRAP);
729#else
730 // TODO
731#endif // Win/Unix
732}
733
734// this function is called when an assert fails
735void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg)
736{
737 // this variable can be set to true to suppress "assert failure" messages
738 static bool s_bNoAsserts = FALSE;
739 static bool s_bInAssert = FALSE; // FIXME MT-unsafe
740
741 if ( s_bInAssert ) {
742 // He-e-e-e-elp!! we're trapped in endless loop
743 wxTrap();
744
745 s_bInAssert = FALSE;
746
747 return;
748 }
749
750 s_bInAssert = TRUE;
751
752 wxChar szBuf[LOG_BUFFER_SIZE];
753
754 // make life easier for people using VC++ IDE: clicking on the message
755 // will take us immediately to the place of the failed assert
756 wxSnprintf(szBuf, WXSIZEOF(szBuf),
757#ifdef __VISUALC__
758 wxT("%s(%d): assert failed"),
759#else // !VC++
760 // make the error message more clear for all the others
761 wxT("Assert failed in file %s at line %d"),
762#endif // VC/!VC
763 szFile, nLine);
764
765 if ( szMsg != NULL ) {
766 wxStrcat(szBuf, wxT(": "));
767 wxStrcat(szBuf, szMsg);
768 }
769 else {
770 wxStrcat(szBuf, wxT("."));
771 }
772
773 if ( !s_bNoAsserts ) {
774 // send it to the normal log destination
775 wxLogDebug(szBuf);
776
777#if (wxUSE_GUI && wxUSE_MSGDLG) || defined(__WXMSW__)
778 // this message is intentionally not translated - it is for
779 // developpers only
780 wxStrcat(szBuf, wxT("\nDo you want to stop the program?\nYou can also choose [Cancel] to suppress further warnings."));
781
782 // use the native message box if available: this is more robust than
783 // using our own
784#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
785 switch ( ::MessageBox(NULL, szBuf, _T("Debug"),
786 MB_YESNOCANCEL | MB_ICONSTOP ) ) {
787 case IDYES:
788 wxTrap();
789 break;
790
791 case IDCANCEL:
792 s_bNoAsserts = TRUE;
793 break;
794
795 //case IDNO: nothing to do
796 }
797#else // !MSW
798 switch ( wxMessageBox(szBuf, wxT("Debug"),
799 wxYES_NO | wxCANCEL | wxICON_STOP ) ) {
800 case wxYES:
801 wxTrap();
802 break;
803
804 case wxCANCEL:
805 s_bNoAsserts = TRUE;
806 break;
807
808 //case wxNO: nothing to do
809 }
810#endif // GUI or MSW
811
812#else // !GUI
813 wxTrap();
814#endif // GUI/!GUI
815 }
816
817 s_bInAssert = FALSE;
818}
819
820#endif //WXDEBUG
821
822#endif //wxUSE_LOG