Merge 95083 - Web Inspector: [v8] building call frame info for location-less internal script func...

Source/WebCore/bindings/v8/ScriptDebugServer.cpp

 /*
  * Copyright (c) 2010-2011 Google Inc. 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
@@ skipping 233 matching lines @@
         *newCallFrames = currentCallFrame();
     return true;
 }
 
 ScriptValue ScriptDebugServer::currentCallFrame()
 {
     ASSERT(isPaused());
     v8::Handle<v8::Function> currentCallFrameFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::New("currentCallFrame")));
     v8::Handle<v8::Value> argv[] = { m_executionState.get() };
     v8::Handle<v8::Value> currentCallFrameV8 = currentCallFrameFunction->Call(m_debuggerScript.get(), 1, argv);
+
+    ASSERT(!currentCallFrameV8.IsEmpty());
     if (!currentCallFrameV8->IsObject())
         return ScriptValue(v8::Null());
+
     RefPtr<JavaScriptCallFrame> currentCallFrame = JavaScriptCallFrame::create(v8::Debug::GetDebugContext(), v8::Handle<v8::Object>::Cast(currentCallFrameV8));
     v8::Context::Scope contextScope(m_pausedContext);
     return ScriptValue(toV8(currentCallFrame.release()));
 }
 
 void ScriptDebugServer::interruptAndRun(PassOwnPtr<Task> task)
 {
     v8::Debug::DebugBreakForCommand(new ClientDataImpl(task));
 }
 
@@ skipping 118 matching lines @@
 }
 
 bool ScriptDebugServer::isPaused()
 {
     return !m_executionState.get().IsEmpty();
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(JAVASCRIPT_DEBUGGER)