-#if wxUSE_STACKWALKER
-static wxString GetAssertStackTrace()
-{
- wxString stackTrace;
-
-#ifdef __WXMSW__
- // check that we can get the stack trace before trying to do it
- if ( !wxDbgHelpDLL::Init() )
- return stackTrace;
-#endif
-
- class StackDump : public wxStackWalker
- {
- public:
- StackDump() { }
-
- const wxString& GetStackTrace() const { return m_stackTrace; }
-
- protected:
- virtual void OnStackFrame(const wxStackFrame& frame)
- {
- m_stackTrace << wxString::Format(_T("[%02d] "), frame.GetLevel());
-
- wxString name = frame.GetName();
- if ( !name.empty() )
- {
- m_stackTrace << wxString::Format(_T("%-40s"), name.c_str());
- }
- else
- {
- m_stackTrace << wxString::Format
- (
- _T("0x%08lx"),
- (unsigned long)frame.GetAddress()
- );
- }
-
- if ( frame.HasSourceLocation() )
- {
- m_stackTrace << _T('\t')
- << frame.GetFileName()
- << _T(':')
- << frame.GetLine();
- }
-
- m_stackTrace << _T('\n');
- }
-
- private:
- wxString m_stackTrace;
- };
-
- StackDump dump;
- dump.Walk(5); // don't show OnAssert() call itself
- stackTrace = dump.GetStackTrace();
-
- // don't show more than maxLines or we could get a dialog too tall to be
- // shown on screen: 20 should be ok everywhere as even with 15 pixel high
- // characters it is still only 300 pixels...
- static const int maxLines = 20;
- const int count = stackTrace.Freq(wxT('\n'));
- for ( int i = 0; i < count - maxLines; i++ )
- stackTrace = stackTrace.BeforeLast(wxT('\n'));
-
- return stackTrace;
-}
-#endif // wxUSE_STACKWALKER
-