+// ----------------------------------------------------------------------------
+// debugging support
+// ----------------------------------------------------------------------------
+
+#ifdef __WXDEBUG__
+
+// wxASSERT() helper
+bool wxAssertIsEqual(int x, int y)
+{
+ return x == y;
+}
+
+// break into the debugger
+void wxTrap()
+{
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+ DebugBreak();
+#elif defined(__WXMAC__)
+#if __powerc
+ Debugger();
+#else
+ SysBreak();
+#endif
+#elif defined(__UNIX__)
+ raise(SIGTRAP);
+#else
+ // TODO
+#endif // Win/Unix
+}
+
+// show the assert modal dialog
+static
+void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg)
+{
+ // 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
+ wxTrap();
+
+ s_bInAssert = FALSE;
+
+ return;
+ }
+
+ s_bInAssert = TRUE;
+
+ wxChar szBuf[4096];
+
+ // 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 // no message given
+ {
+ wxStrcat(szBuf, wxT("."));
+ }
+
+ if ( !s_bNoAsserts )
+ {
+ // send it to the normal log destination
+ wxLogDebug(szBuf);
+
+#if (wxUSE_GUI && wxUSE_MSGDLG) || 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."));
+
+ // use the native message box if available: this is more robust than
+ // using our own
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+ switch ( ::MessageBox(NULL, szBuf, _T("Debug"),
+ MB_YESNOCANCEL | MB_ICONSTOP ) )
+ {
+ case IDYES:
+ wxTrap();
+ break;
+
+ case IDCANCEL:
+ s_bNoAsserts = TRUE;
+ break;
+
+ //case IDNO: nothing to do
+ }
+#else // !MSW
+ switch ( wxMessageBox(szBuf, wxT("Debug"),
+ wxYES_NO | wxCANCEL | wxICON_STOP ) )
+ {
+ case wxYES:
+ wxTrap();
+ break;
+
+ case wxCANCEL:
+ s_bNoAsserts = TRUE;
+ break;
+
+ //case wxNO: nothing to do
+ }
+#endif // GUI or MSW
+
+#else // !GUI
+ wxTrap();
+#endif // GUI/!GUI
+ }
+
+ s_bInAssert = FALSE;
+}
+
+// this function is called when an assert fails
+void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg)
+{
+ if ( !wxTheApp )
+ {
+ // by default, show the assert dialog box - we can't customize this
+ // behaviour
+ ShowAssertDialog(szFile, nLine, szMsg);
+ }
+ else
+ {
+ // let the app process it as it wants
+ wxTheApp->OnAssert(szFile, nLine, szMsg);
+ }
+}
+
+void wxAppBase::OnAssert(const wxChar *file, int line, const wxChar *msg)
+{
+ ShowAssertDialog(file, line, msg);
+}
+
+#endif //WXDEBUG
+
projects / wxWidgets.git / commitdiff
