Show user script source line that caused exception intead of a line in a nati...

src/frames.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
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 158 matching lines @@
   return result;
 
 #undef FRAME_TYPE_CASE
 }
 
 
 // -------------------------------------------------------------------------
 
 
 StackTraceFrameIterator::StackTraceFrameIterator() {
-  if (!done() && !frame()->function()->IsJSFunction()) Advance();
+  if (!done() && !IsValidFrame()) Advance();
 }
 
 
 void StackTraceFrameIterator::Advance() {
   while (true) {
     JavaScriptFrameIterator::Advance();
     if (done()) return;
-    if (frame()->function()->IsJSFunction()) return;
+    if (IsValidFrame()) return;
   }
 }
 
+bool StackTraceFrameIterator::IsValidFrame() {
+    if (!frame()->function()->IsJSFunction()) return false;
+    Object* script = JSFunction::cast(frame()->function())->shared()->script();
+    // Don't show functions from native scripts to user.
+    return (script->IsScript() &&
+            Script::TYPE_NATIVE != Script::cast(script)->type()->value());
+}
+
 
 // -------------------------------------------------------------------------
 
 
 SafeStackFrameIterator::SafeStackFrameIterator(
     Address fp, Address sp, Address low_bound, Address high_bound) :
     low_bound_(low_bound), high_bound_(high_bound),
     is_valid_top_(
         IsWithinBounds(low_bound, high_bound,
                        Top::c_entry_fp(Top::GetCurrentThread())) &&
@@ skipping 539 matching lines @@
         reg_code[i++] = r;
 
     ASSERT(i == kNumJSCallerSaved);
   }
   ASSERT(0 <= n && n < kNumJSCallerSaved);
   return reg_code[n];
 }
 
 
 } }  // namespace v8::internal