Allow to capture stack trace for uncaught exceptions

src/messages.cc

 
 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
@@ skipping 48 matching lines @@
 
 void MessageHandler::ReportMessage(const char* msg) {
   PrintF("%s\n", msg);
 }
 
 
 Handle<Object> MessageHandler::MakeMessageObject(
     const char* type,
     MessageLocation* loc,
     Vector< Handle<Object> > args,
-    Handle<String> stack_trace) {
+    Handle<String> stack_trace,
+    Handle<JSArray> stack_frames) {
   // Build error message object
   v8::HandleScope scope;  // Instantiate a closeable HandleScope for EscapeFrom.
   Handle<Object> type_str = Factory::LookupAsciiSymbol(type);
   Handle<Object> array = Factory::NewJSArray(args.length());
   for (int i = 0; i < args.length(); i++)
     SetElement(Handle<JSArray>::cast(array), i, args[i]);
 
   Handle<JSFunction> fun(Top::global_context()->make_message_fun());
   int start, end;
   Handle<Object> script;
   if (loc) {
     start = loc->start_pos();
     end = loc->end_pos();
     script = GetScriptWrapper(loc->script());
   } else {
     start = end = 0;
     script = Factory::undefined_value();
   }
   Handle<Object> start_handle(Smi::FromInt(start));
   Handle<Object> end_handle(Smi::FromInt(end));
   Handle<Object> stack_trace_val = stack_trace.is_null()
     ? Factory::undefined_value()
     : Handle<Object>::cast(stack_trace);
-  const int argc = 6;
+  Handle<Object> stack_frames_val =  stack_frames.is_null()
+    ? Factory::undefined_value()
+    : Handle<Object>::cast(stack_frames);
+  const int argc = 7;
   Object** argv[argc] = { type_str.location(),
                           array.location(),
                           start_handle.location(),
                           end_handle.location(),
                           script.location(),
-                          stack_trace_val.location() };
+                          stack_trace_val.location(),
+                          stack_frames_val.location() };
 
   // Setup a catch handler to catch exceptions in creating the message. This
   // handler is non-verbose to avoid calling MakeMessage recursively in case of
   // an exception.
   v8::TryCatch catcher;
   catcher.SetVerbose(false);
   catcher.SetCaptureMessage(false);
 
   // Format the message.
   bool caught_exception = false;
@@ skipping 59 matching lines @@
 }
 
 
 SmartPointer<char> MessageHandler::GetLocalizedMessage(Handle<Object> data) {
   HandleScope scope;
   return GetMessage(data)->ToCString(DISALLOW_NULLS);
 }
 
 
 } }  // namespace v8::internal