X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..312cd9e93d7c0bf201e52297741e8e12a7298fc9:/src/common/log.cpp?ds=inline diff --git a/src/common/log.cpp b/src/common/log.cpp index 27f5f20ce1..6d99576b99 100644 --- a/src/common/log.cpp +++ b/src/common/log.cpp @@ -16,6 +16,7 @@ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma implementation "log.h" #endif @@ -29,27 +30,36 @@ // wxWindows #ifndef WX_PRECOMP - #include - #include - #include -#endif - -#include -#include + #include "wx/string.h" + #include "wx/intl.h" + #include "wx/app.h" + + #if wxUSE_GUI + #include "wx/window.h" + #ifdef __WXMSW__ + #include "wx/msw/private.h" + #endif + #include "wx/msgdlg.h" + #endif +#endif //WX_PRECOMP + +#include "wx/file.h" +#include "wx/textfile.h" +#include "wx/utils.h" +#include "wx/wxchar.h" +#include "wx/log.h" +#include "wx/thread.h" // other standard headers #include #include #include -// C++ headers -#include - -// _WINDOWS_ is defined when windows.h is included, -// __WINDOWS__ is defined for MS Windows compilation -#if defined(__WINDOWS__) && !defined(_WINDOWS_) -#include -#endif //windows.h +#ifdef __WXMSW__ + #include "wx/msw/private.h" // includes windows.h for OutputDebugString +#else //Unix + #include +#endif //Win/Unix // ---------------------------------------------------------------------------- // non member functions @@ -58,7 +68,7 @@ // define this to enable wrapping of log messages //#define LOG_PRETTY_WRAP -#ifdef LOG_PRETTY_WRAP +#ifdef LOG_PRETTY_WRAP static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz); #endif @@ -67,42 +77,57 @@ // ============================================================================ // ---------------------------------------------------------------------------- -// implementation of Log functions -// -// NB: unfortunately we need all these distinct functions, we can't make them -// macros and not all compilers inline vararg functions. +// globals // ---------------------------------------------------------------------------- // log functions can't allocate memory (LogError("out of memory...") should // work!), so we use a static buffer for all log messages #define LOG_BUFFER_SIZE (4096) -// static buffer for error messages (@@@ MT-unsafe) -static char s_szBuf[LOG_BUFFER_SIZE]; +// static buffer for error messages +static wxChar s_szBuf[LOG_BUFFER_SIZE]; + +#if wxUSE_THREADS + +// the critical section protecting the static buffer +static wxCriticalSection gs_csLogBuf; + +#endif // wxUSE_THREADS + +// ---------------------------------------------------------------------------- +// implementation of Log functions +// +// NB: unfortunately we need all these distinct functions, we can't make them +// macros and not all compilers inline vararg functions. +// ---------------------------------------------------------------------------- // generic log function -void wxLogGeneric(wxLog::Level level, wxTString strFormat, ...) +void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...) { - if ( wxLog::GetActiveTarget() != NULL ) { - va_list argptr; - va_start(argptr, strFormat); - vsprintf(s_szBuf, strFormat, argptr); - va_end(argptr); - - wxLog::OnLog(level, s_szBuf); - } + if ( wxLog::GetActiveTarget() != NULL ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + va_list argptr; + va_start(argptr, szFormat); + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); + va_end(argptr); + + wxLog::OnLog(level, s_szBuf, time(NULL)); + } } #define IMPLEMENT_LOG_FUNCTION(level) \ - void wxLog##level(wxTString strFormat, ...) \ + void wxLog##level(const wxChar *szFormat, ...) \ { \ if ( wxLog::GetActiveTarget() != NULL ) { \ + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \ + \ va_list argptr; \ - va_start(argptr, strFormat); \ - vsprintf(s_szBuf, strFormat, argptr); \ + va_start(argptr, szFormat); \ + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); \ va_end(argptr); \ \ - wxLog::OnLog(wxLog::level, s_szBuf); \ + wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \ } \ } @@ -113,66 +138,117 @@ IMPLEMENT_LOG_FUNCTION(Message) IMPLEMENT_LOG_FUNCTION(Info) IMPLEMENT_LOG_FUNCTION(Status) -// debug functions don't use wxTString -#undef IMPLEMENT_LOG_FUNCTION -#define IMPLEMENT_LOG_FUNCTION(level) \ - void wxLog##level(const char *szFormat, ...) \ +// same as info, but only if 'verbose' mode is on +void wxLogVerbose(const wxChar *szFormat, ...) +{ + wxLog *pLog = wxLog::GetActiveTarget(); + if ( pLog != NULL && pLog->GetVerbose() ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + va_list argptr; + va_start(argptr, szFormat); + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); + va_end(argptr); + + wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL)); + } +} + +// debug functions +#ifdef __WXDEBUG__ +#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \ + void wxLog##level(const wxChar *szFormat, ...) \ { \ if ( wxLog::GetActiveTarget() != NULL ) { \ + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \ + \ va_list argptr; \ va_start(argptr, szFormat); \ - vsprintf(s_szBuf, szFormat, argptr); \ + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); \ va_end(argptr); \ \ - wxLog::OnLog(wxLog::level, s_szBuf); \ + wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \ } \ } -IMPLEMENT_LOG_FUNCTION(Debug) -IMPLEMENT_LOG_FUNCTION(Trace) - -void wxLogVerbose(wxTString strFormat, ...) -{ - if ( wxLog::GetVerbose() && wxLog::GetActiveTarget() != NULL ) { - va_list argptr; - va_start(argptr, strFormat); - vsprintf(s_szBuf, strFormat, argptr); - va_end(argptr); - - wxLog::OnLog(wxLog::Info, s_szBuf); - } + void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...) + { + wxLog *pLog = wxLog::GetActiveTarget(); + + if ( pLog != NULL && wxLog::IsAllowedTraceMask(mask) ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + va_list argptr; + va_start(argptr, szFormat); + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); + va_end(argptr); + + wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL)); + } + } + + void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...) + { + wxLog *pLog = wxLog::GetActiveTarget(); + + // we check that all of mask bits are set in the current mask, so + // that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something + // if both bits are set. + if ( pLog != NULL && ((pLog->GetTraceMask() & mask) == mask) ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + va_list argptr; + va_start(argptr, szFormat); + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); + va_end(argptr); + + wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL)); + } + } + +#else // release + #define IMPLEMENT_LOG_DEBUG_FUNCTION(level) +#endif + +IMPLEMENT_LOG_DEBUG_FUNCTION(Debug) +IMPLEMENT_LOG_DEBUG_FUNCTION(Trace) + +// wxLogSysError: one uses the last error code, for other you must give it +// explicitly + +// common part of both wxLogSysError +void wxLogSysErrorHelper(long lErrCode) +{ + wxChar szErrMsg[LOG_BUFFER_SIZE / 2]; + wxSnprintf(szErrMsg, WXSIZEOF(szErrMsg), + _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode)); + wxStrncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - wxStrlen(s_szBuf)); + + wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL)); } - -void wxLogSysError(wxTString str, ...) + +void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...) { - if ( wxLog::GetActiveTarget() != NULL ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + va_list argptr; - va_start(argptr, str); - vsprintf(s_szBuf, str, argptr); + va_start(argptr, szFormat); + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); va_end(argptr); - char szErrMsg[LOG_BUFFER_SIZE / 2]; - sprintf(szErrMsg, _(" (error %ld: %s)"), wxSysErrorCode(), wxSysErrorMsg()); - strncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - strlen(s_szBuf)); - - wxLog::OnLog(wxLog::Error, s_szBuf); - } + wxLogSysErrorHelper(wxSysErrorCode()); } -void WXDLLEXPORT wxLogSysError(long lErrCode, wxTString strFormat, ...) +void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...) { - if ( wxLog::GetActiveTarget() != NULL ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + va_list argptr; - va_start(argptr, strFormat); - vsprintf(s_szBuf, strFormat, argptr); + va_start(argptr, szFormat); + wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); va_end(argptr); - char szErrMsg[LOG_BUFFER_SIZE / 2]; - sprintf(szErrMsg, _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode)); - strncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - strlen(s_szBuf)); - - wxLog::OnLog(wxLog::Error, s_szBuf); - } + wxLogSysErrorHelper(lErrCode); } // ---------------------------------------------------------------------------- @@ -181,271 +257,167 @@ void WXDLLEXPORT wxLogSysError(long lErrCode, wxTString strFormat, ...) wxLog::wxLog() { - m_bHasMessages = FALSE; + m_bHasMessages = FALSE; + + // enable verbose messages by default in the debug builds +#ifdef __WXDEBUG__ + m_bVerbose = TRUE; +#else // release + m_bVerbose = FALSE; +#endif // debug/release } -wxLog *wxLog::GetActiveTarget() -{ - if ( !ms_bInitialized ) { - // prevent infinite recursion if someone calls wxLogXXX() from wxApp - ms_bInitialized = TRUE; - - // ask the application to create a log target for us if it exists - if ( wxTheApp != NULL ) - ms_pLogger = wxTheApp->CreateLogTarget(); - else - ms_pLogger = new wxLogStderr; - - // do nothing if it fails - what can we do? - } +wxLog *wxLog::GetActiveTarget() +{ + if ( ms_bAutoCreate && ms_pLogger == NULL ) { + // prevent infinite recursion if someone calls wxLogXXX() from + // wxApp::CreateLogTarget() + static bool s_bInGetActiveTarget = FALSE; + if ( !s_bInGetActiveTarget ) { + s_bInGetActiveTarget = TRUE; + + // ask the application to create a log target for us + if ( wxTheApp != NULL ) + ms_pLogger = wxTheApp->CreateLogTarget(); + else + ms_pLogger = new wxLogStderr; + + s_bInGetActiveTarget = FALSE; + + // do nothing if it fails - what can we do? + } + } - return ms_pLogger; + return ms_pLogger; } wxLog *wxLog::SetActiveTarget(wxLog *pLogger) -{ - // flush the old messages before changing - if ( ms_pLogger != NULL ) - ms_pLogger->Flush(); - - ms_bInitialized = TRUE; - - wxLog *pOldLogger = ms_pLogger; - ms_pLogger = pLogger; - return pOldLogger; -} - -void wxLog::DoLog(Level level, const char *szString) { - char szBuf[128]; - time_t timeNow; - struct tm *ptmNow; - - time(&timeNow); - ptmNow = localtime(&timeNow); - - strftime(szBuf, WXSIZEOF(szBuf), ms_szTimeFormat, ptmNow); - wxString str = szBuf; - - switch ( level ) { - case FatalError: - DoLogString(str << _("Fatal error: ") << szString); - DoLogString(_("Program aborted.")); - Flush(); - abort(); - break; - - case Error: - DoLogString(str << _("Error: ") << szString); - break; - - case Warning: - DoLogString(str << _("Warning: ") << szString); - break; - - case Info: - if ( GetVerbose() ) - case Message: - DoLogString(str + szString); - // fall through - - case Status: - // nothing to do - break; - - case Trace: - case Debug: - #ifdef __DEBUG__ - #ifdef __WIN32__ - // in addition to normal logging, also send the string to debugger - // (don't prepend "Debug" here: it will go to debug window anyhow) - ::OutputDebugString(str + szString + "\n\r"); - #endif //Win32 - DoLogString(str << (level == Trace ? _("Trace") : _("Debug")) - << ": " << szString); - #endif - - break; - - default: - wxFAIL_MSG("unknown log level in wxLog::DoLog"); - } -} + if ( ms_pLogger != NULL ) { + // flush the old messages before changing because otherwise they might + // get lost later if this target is not restored + ms_pLogger->Flush(); + } -void wxLog::DoLogString(const char *WXUNUSED(szString)) -{ - wxFAIL_MSG("DoLogString must be overrided if it's called."); + wxLog *pOldLogger = ms_pLogger; + ms_pLogger = pLogger; + + return pOldLogger; } -void wxLog::Flush() +void wxLog::RemoveTraceMask(const wxString& str) { - // do nothing + int index = ms_aTraceMasks.Index(str); + if ( index != wxNOT_FOUND ) + ms_aTraceMasks.Remove((size_t)index); } -// ---------------------------------------------------------------------------- -// wxLogStderr class implementation -// ---------------------------------------------------------------------------- - -wxLogStderr::wxLogStderr(FILE *fp) +void wxLog::TimeStamp(wxString *str) { - if ( fp == NULL ) - m_fp = stderr; - else - m_fp = fp; + if ( ms_timestamp ) + { + wxChar buf[256]; + time_t timeNow; + (void)time(&timeNow); + wxStrftime(buf, WXSIZEOF(buf), ms_timestamp, localtime(&timeNow)); + + str->Empty(); + *str << buf << wxT(": "); + } } -void wxLogStderr::DoLogString(const char *szString) +void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t) { - fputs(szString, m_fp); - fputc('\n', m_fp); - fflush(m_fp); + switch ( level ) { + case wxLOG_FatalError: + DoLogString(wxString(_("Fatal error: ")) + szString, t); + DoLogString(_("Program aborted."), t); + Flush(); + abort(); + break; + + case wxLOG_Error: + DoLogString(wxString(_("Error: ")) + szString, t); + break; + + case wxLOG_Warning: + DoLogString(wxString(_("Warning: ")) + szString, t); + break; + + case wxLOG_Info: + if ( GetVerbose() ) + case wxLOG_Message: + case wxLOG_Status: + default: // log unknown log levels too + DoLogString(szString, t); + break; + + case wxLOG_Trace: + case wxLOG_Debug: +#ifdef __WXDEBUG__ + DoLogString(szString, t); +#endif + break; + } } -// ---------------------------------------------------------------------------- -// wxLogStream implementation -// ---------------------------------------------------------------------------- - -wxLogStream::wxLogStream(ostream *ostr) +void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t)) { - if ( ostr == NULL ) - m_ostr = &cerr; - else - m_ostr = ostr; + wxFAIL_MSG(wxT("DoLogString must be overriden if it's called.")); } -void wxLogStream::DoLogString(const char *szString) +void wxLog::Flush() { - (*m_ostr) << szString << endl << flush; + // do nothing } // ---------------------------------------------------------------------------- -// wxLogTextCtrl implementation +// wxLogStderr class implementation // ---------------------------------------------------------------------------- -/* -wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl) - : wxLogStream(new ostream(pTextCtrl)) +wxLogStderr::wxLogStderr(FILE *fp) { + if ( fp == NULL ) + m_fp = stderr; + else + m_fp = fp; } -wxLogTextCtrl::~wxLogTextCtrl() +void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) { - delete m_ostr; + wxString str; + TimeStamp(&str); + str << szString; + + fputs(str.mb_str(), m_fp); + fputc(_T('\n'), m_fp); + fflush(m_fp); + + // under Windows, programs usually don't have stderr at all, so show the + // messages also under debugger - unless it's a console program +#if defined(__WXMSW__) && wxUSE_GUI + OutputDebugString(str + wxT("\r\n")); +#endif // MSW } -*/ // ---------------------------------------------------------------------------- -// wxLogGui implementation +// wxLogStream implementation // ---------------------------------------------------------------------------- -#ifndef WX_TEST_MINIMAL - -wxLogGui::wxLogGui() -{ - m_bErrors = FALSE; -} - -void wxLogGui::Flush() +#if wxUSE_STD_IOSTREAM +wxLogStream::wxLogStream(ostream *ostr) { - if ( !m_bHasMessages ) - return; - - // @@@ ugly... - - // concatenate all strings (but not too many to not overfill the msg box) - wxString str; - uint nLines = 0, - nMsgCount = m_aMessages.Count(); - - // start from the most recent message - for ( uint n = nMsgCount; n > 0; n-- ) { - // for Windows strings longer than this value are wrapped (NT 4.0) - const uint nMsgLineWidth = 156; - - nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth; - - if ( nLines > 25 ) // don't put too many lines in message box - break; - - str << m_aMessages[n - 1] << "\n"; - } - - if ( m_bErrors ) { - wxMessageBox(str, _("Error"), wxOK | wxICON_EXCLAMATION); - } - else { - wxMessageBox(str, _("Information"), wxOK | wxICON_INFORMATION); - } - - // no undisplayed messages whatsoever - m_bHasMessages = - m_bErrors = FALSE; - m_aMessages.Empty(); + if ( ostr == NULL ) + m_ostr = &cerr; + else + m_ostr = ostr; } -// the default behaviour is to discard all informational messages if there -// are any errors/warnings. -void wxLogGui::DoLog(Level level, const char *szString) +void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) { - switch ( level ) { - case Info: - if ( GetVerbose() ) - case Message: - if ( !m_bErrors ) { - m_aMessages.Add(szString); - m_bHasMessages = TRUE; - } - break; - - case Status: - { - // find the top window and set it's status text if it has any - wxWindow *pWin = wxTheApp->GetTopWindow(); - if ( pWin != NULL && pWin->IsKindOf(CLASSINFO(wxFrame)) ) { - wxFrame *pFrame = (wxFrame *)pWin; - pFrame->SetStatusText(szString); - } - } - break; - - case Trace: - case Debug: - #ifdef __DEBUG__ - #ifdef __WIN32__ - OutputDebugString(szString); - OutputDebugString("\n\r"); - #else //!WIN32 - // send them to stderr - printf(stderr, level == Trace ? "Trace: %s\n" - : "Debug: %s\n", szString); - fflush(stderr); - #endif // WIN32 - #endif - break; - - case FatalError: - // show this one immediately - wxMessageBox(szString, "Fatal error", wxICON_HAND); - break; - - case Error: - case Warning: - // discard earlier informational messages if this is the 1st error - if ( !m_bErrors ) { - m_aMessages.Empty(); - m_bHasMessages = TRUE; - m_bErrors = TRUE; - } - - m_aMessages.Add(szString); - break; - - default: - wxFAIL_MSG("unknown log level in wxLogGui::DoLog"); - } + (*m_ostr) << wxConvertWX2MB(szString) << endl; } - -#endif //WX_TEST_MINIMAL +#endif // wxUSE_STD_IOSTREAM // ============================================================================ // Global functions/variables @@ -454,10 +426,15 @@ void wxLogGui::DoLog(Level level, const char *szString) // ---------------------------------------------------------------------------- // static variables // ---------------------------------------------------------------------------- -wxLog *wxLog::ms_pLogger = NULL; -bool wxLog::ms_bInitialized = FALSE; -bool wxLog::ms_bVerbose = FALSE; -const char *wxLog::ms_szTimeFormat = "[%d/%b/%y %H:%M:%S] "; + +wxLog *wxLog::ms_pLogger = (wxLog *)NULL; +bool wxLog::ms_doLog = TRUE; +bool wxLog::ms_bAutoCreate = TRUE; + +const wxChar *wxLog::ms_timestamp = wxT("%X"); // time only, no date + +wxTraceMask wxLog::ms_ulTraceMask = (wxTraceMask)0; +wxArrayString wxLog::ms_aTraceMasks; // ---------------------------------------------------------------------------- // stdout error logging helper @@ -466,34 +443,33 @@ const char *wxLog::ms_szTimeFormat = "[%d/%b/%y %H:%M:%S] "; // helper function: wraps the message and justifies it under given position // (looks more pretty on the terminal). Also adds newline at the end. // -// @@ this is now disabled until I find a portable way of determining the -// terminal window size - -#ifdef LOG_PRETTY_WRAP +// TODO this is now disabled until I find a portable way of determining the +// terminal window size (ok, I found it but does anybody really cares?) +#ifdef LOG_PRETTY_WRAP static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz) { - size_t nMax = 80; // @@@@ - size_t nStart = strlen(pszPrefix); - fputs(pszPrefix, f); - - size_t n; - while ( *psz != '\0' ) { - for ( n = nStart; (n < nMax) && (*psz != '\0'); n++ ) - putc(*psz++, f); - - // wrapped? - if ( *psz != '\0' ) { - /*putc('\n', f);*/ - for ( n = 0; n < nStart; n++ ) - putc(' ', f); - - // as we wrapped, squeeze all white space - while ( isspace(*psz) ) - psz++; + size_t nMax = 80; // FIXME + size_t nStart = strlen(pszPrefix); + fputs(pszPrefix, f); + + size_t n; + while ( *psz != '\0' ) { + for ( n = nStart; (n < nMax) && (*psz != '\0'); n++ ) + putc(*psz++, f); + + // wrapped? + if ( *psz != '\0' ) { + /*putc('\n', f);*/ + for ( n = 0; n < nStart; n++ ) + putc(' ', f); + + // as we wrapped, squeeze all white space + while ( isspace(*psz) ) + psz++; + } } - } - putc('\n', f); + putc('\n', f); } #endif //LOG_PRETTY_WRAP @@ -504,108 +480,175 @@ static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz) // get error code from syste unsigned long wxSysErrorCode() { - #ifdef __WINDOWS__ - #ifdef __WIN32__ - return ::GetLastError(); - #else //WIN16 - // @@@@ what to do on Windows 3.1? - return 0; - #endif //WIN16/32 - #else //Unix +#ifdef __WXMSW__ +#ifdef __WIN32__ + return ::GetLastError(); +#else //WIN16 + // TODO what to do on Windows 3.1? + return 0; +#endif //WIN16/32 +#else //Unix return errno; - #endif //Win/Unix +#endif //Win/Unix } // get error message from system -const char *wxSysErrorMsg(unsigned long nErrCode) +const wxChar *wxSysErrorMsg(unsigned long nErrCode) { - if ( nErrCode == 0 ) - nErrCode = wxSysErrorCode(); + if ( nErrCode == 0 ) + nErrCode = wxSysErrorCode(); -#ifdef __WINDOWS__ +#ifdef __WXMSW__ #ifdef __WIN32__ - static char s_szBuf[LOG_BUFFER_SIZE / 2]; - - // get error message from system - LPVOID lpMsgBuf; - FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, - NULL, nErrCode, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), - (LPTSTR)&lpMsgBuf, - 0, NULL); - - // copy it to our buffer and free memory - strncpy(s_szBuf, (const char *)lpMsgBuf, SIZEOF(s_szBuf) - 1); - s_szBuf[SIZEOF(s_szBuf) - 1] = '\0'; - LocalFree(lpMsgBuf); - - // returned string is capitalized and ended with '\r\n' - bad - s_szBuf[0] = (char)tolower(s_szBuf[0]); - size_t len = strlen(s_szBuf); - if ( len > 0 ) { - // truncate string - if ( s_szBuf[len - 2] == '\r' ) - s_szBuf[len - 2] = '\0'; - } + static wxChar s_szBuf[LOG_BUFFER_SIZE / 2]; + + // get error message from system + LPVOID lpMsgBuf; + FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, + NULL, nErrCode, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + (LPTSTR)&lpMsgBuf, + 0, NULL); + + // copy it to our buffer and free memory + wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1); + s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0'); + LocalFree(lpMsgBuf); + + // returned string is capitalized and ended with '\r\n' - bad + s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]); + size_t len = wxStrlen(s_szBuf); + if ( len > 0 ) { + // truncate string + if ( s_szBuf[len - 2] == wxT('\r') ) + s_szBuf[len - 2] = wxT('\0'); + } - return s_szBuf; + return s_szBuf; +#else //Win16 + // TODO + return NULL; +#endif // Win16/32 +#else // Unix +#if wxUSE_UNICODE + static wxChar s_szBuf[LOG_BUFFER_SIZE / 2]; + wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1); + return s_szBuf; #else - // TODO: Windows 3.1 - return NULL; -#endif -#else - return strerror(nErrCode); + return strerror((int)nErrCode); #endif +#endif // Win/Unix } // ---------------------------------------------------------------------------- // debug helper // ---------------------------------------------------------------------------- -#ifdef __DEBUG__ +#ifdef __WXDEBUG__ + +// break into the debugger +void Trap() +{ +#ifdef __WXMSW__ + DebugBreak(); +#elif defined(__WXMAC__) +#if __powerc + Debugger(); +#else + SysBreak(); +#endif +#elif defined(__UNIX__) + raise(SIGTRAP); +#else + // TODO +#endif // Win/Unix +} // this function is called when an assert fails -void wxOnAssert(const char *szFile, int nLine, const char *szMsg) +void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg) { - // this variable can be set to true to suppress "assert failure" messages - static s_bNoAsserts = FALSE; - - char szBuf[LOG_BUFFER_SIZE]; - sprintf(szBuf, _("Assert failed in file %s at line %d"), szFile, nLine); - if ( szMsg != NULL ) { - strcat(szBuf, ": "); - strcat(szBuf, szMsg); - } - else { - strcat(szBuf, "."); - } + // this variable can be set to true to suppress "assert failure" messages + static bool s_bNoAsserts = FALSE; + static bool s_bInAssert = FALSE; // FIXME MT-unsafe + + if ( s_bInAssert ) { + // He-e-e-e-elp!! we're trapped in endless loop + Trap(); + + s_bInAssert = FALSE; + + return; + } - // send it to the normal log destination - wxLogDebug(szBuf); + s_bInAssert = TRUE; + + wxChar szBuf[LOG_BUFFER_SIZE]; + + // make life easier for people using VC++ IDE: clicking on the message + // will take us immediately to the place of the failed assert + wxSnprintf(szBuf, WXSIZEOF(szBuf), +#ifdef __VISUALC__ + wxT("%s(%d): assert failed"), +#else // !VC++ + // make the error message more clear for all the others + wxT("Assert failed in file %s at line %d"), +#endif // VC/!VC + szFile, nLine); + + if ( szMsg != NULL ) { + wxStrcat(szBuf, wxT(": ")); + wxStrcat(szBuf, szMsg); + } + else { + wxStrcat(szBuf, wxT(".")); + } - #ifdef __WINDOWS__ if ( !s_bNoAsserts ) { - strcat(szBuf, _("\nDo you want to stop the program?" - "\nYou can also choose [Cancel] to suppress " - "further warnings.")); - - switch ( ::MessageBox(NULL, szBuf, _("Debug"), - MB_YESNOCANCEL | MB_ICONINFORMATION) ) { - case IDYES: - DebugBreak(); - break; - - case IDCANCEL: - s_bNoAsserts = TRUE; - break; - } + // send it to the normal log destination + wxLogDebug(szBuf); + +#if wxUSE_GUI || defined(__WXMSW__) + // this message is intentionally not translated - it is for + // developpers only + wxStrcat(szBuf, wxT("\nDo you want to stop the program?" + "\nYou can also choose [Cancel] to suppress " + "further warnings.")); + +#if wxUSE_GUI + switch ( wxMessageBox(szBuf, "Debug", + wxYES_NO | wxCANCEL | wxICON_STOP ) ) { + case wxYES: + Trap(); + break; + + case wxCANCEL: + s_bNoAsserts = TRUE; + break; + + //case wxNO: nothing to do + } +#else // !GUI, but MSW + switch ( ::MessageBox(NULL, szBuf, "Debug", + MB_YESNOCANCEL | MB_ICONSTOP ) ) { + case IDYES: + Trap(); + break; + + case IDCANCEL: + s_bNoAsserts = TRUE; + break; + + //case IDNO: nothing to do + } +#endif // GUI or MSW + +#else // !GUI + Trap(); +#endif // GUI/!GUI } - #else - // @@@@ don't know how to start the debugger under generic Unix - s_bNoAsserts = TRUE; // suppress 'unused var' warning - abort(); - #endif + + s_bInAssert = FALSE; } -#endif //DEBUG +#endif //WXDEBUG