X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b494c48b31885ee0d9cd91e7931ac837e00144a0..c497d0b2123337d89fe5d35c25a2f37026b7dba9:/src/common/appbase.cpp

diff --git a/src/common/appbase.cpp b/src/common/appbase.cpp
index f1610067c4..ee78eb257c 100644
--- a/src/common/appbase.cpp
+++ b/src/common/appbase.cpp
@@ -51,6 +51,11 @@
     #include "wx/fontmap.h"
 #endif // wxUSE_FONTMAP
 
+#if defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
+    // For MacTypes.h for Debugger function
+    #include <CoreFoundation/CFBase.h>
+#endif
+
 #if defined(__WXMAC__)
     // VZ: MacTypes.h is enough under Mac OS X (where I could test it) but
     //     I don't know which headers are needed under earlier systems so
@@ -62,6 +67,12 @@
     #endif
 #endif // __WXMAC__
 
+#ifdef __WXDEBUG__
+    #ifdef wxUSE_STACKWALKER
+        #include "wx/stackwalk.h"
+    #endif // wxUSE_STACKWALKER
+#endif // __WXDEBUG__
+
 // ----------------------------------------------------------------------------
 // private functions prototypes
 // ----------------------------------------------------------------------------
@@ -576,6 +587,8 @@ void wxTrap()
     #else
         SysBreak();
     #endif
+#elif defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
+    Debugger();
 #elif defined(__UNIX__)
     raise(SIGTRAP);
 #else
@@ -715,6 +728,70 @@ void ShowAssertDialog(const wxChar *szFile,
         msg << _T('.');
     }
 
+#if wxUSE_STACKWALKER
+    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
+    wxString 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...
+    const int maxLines = 20;
+    int count = stackTrace.Freq(wxT('\n'));
+    if (count > maxLines)
+    {
+        int i;
+        for (i = 0; i < count - maxLines; i++)
+            stackTrace = stackTrace.BeforeLast(wxT('\n'));
+    }
+    if ( !stackTrace.empty() )
+    {
+        msg << _T("\n\nCall stack:\n")
+            << stackTrace;
+    }
+#endif // wxUSE_STACKWALKER
+
 #if wxUSE_THREADS
     // if we are not in the main thread, output the assert directly and trap
     // since dialogs cannot be displayed
@@ -733,6 +810,7 @@ void ShowAssertDialog(const wxChar *szFile,
         // He-e-e-e-elp!! we're asserting in a child thread
         wxTrap();
     }
+    else
 #endif // wxUSE_THREADS
 
     if ( !s_bNoAsserts )