Support merged Dart-JS callstacks

Source/core/inspector/JavaScriptCallFrame.cpp

 /*
  * Copyright (c) 2010, 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 56 matching lines @@
 {
     v8::HandleScope handleScope(m_isolate);
     v8::Handle<v8::Object> callFrame = m_callFrame.newLocal(m_isolate);
     v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(callFrame->Get(v8AtomicString(m_isolate, name)));
     v8::Handle<v8::Value> result = func->Call(callFrame, 0, 0);
     if (result->IsInt32())
         return result->Int32Value();
     return 0;
 }
 
+double JavaScriptCallFrame::callV8FunctionReturnDouble(const char* name) const
+{
+    v8::HandleScope handleScope(m_isolate);
+    v8::Handle<v8::Object> callFrame = m_callFrame.newLocal(m_isolate);
+    v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(callFrame->Get(v8AtomicString(m_isolate, name)));
+    v8::Handle<v8::Value> result = func->Call(callFrame, 0, 0);
+    if (result->IsNumber())
+        return result->NumberValue();
+    return 0;
+}
+
 String JavaScriptCallFrame::callV8FunctionReturnString(const char* name) const
 {
     v8::HandleScope handleScope(m_isolate);
     v8::Handle<v8::Object> callFrame = m_callFrame.newLocal(m_isolate);
     v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(callFrame->Get(v8AtomicString(m_isolate, name)));
     v8::Handle<v8::Value> result = func->Call(callFrame, 0, 0);
     return toCoreStringWithUndefinedOrNullCheck(result);
 }
 
 int JavaScriptCallFrame::sourceID() const
 {
     return callV8FunctionReturnInt("sourceID");
 }
 
 int JavaScriptCallFrame::line() const
 {
     return callV8FunctionReturnInt("line");
 }
 
 int JavaScriptCallFrame::column() const
 {
     return callV8FunctionReturnInt("column");
 }
 
+double JavaScriptCallFrame::framePointer() const
+{
+    return callV8FunctionReturnDouble("framePointer");
+}
+
 String JavaScriptCallFrame::functionName() const
 {
     return callV8FunctionReturnString("functionName");
 }
 
 v8::Handle<v8::Value> JavaScriptCallFrame::scopeChain() const
 {
     v8::Handle<v8::Object> callFrame = m_callFrame.newLocal(m_isolate);
     v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(callFrame->Get(v8AtomicString(m_isolate, "scopeChain")));
     v8::Handle<v8::Array> scopeChain = v8::Handle<v8::Array>::Cast(func->Call(callFrame, 0, 0));
@@ skipping 65 matching lines @@
     };
     return ScriptValue(v8ScriptState, setVariableValueFunction->Call(callFrame, WTF_ARRAY_LENGTH(argv), argv));
 }
 
 void JavaScriptCallFrame::trace(Visitor* visitor)
 {
     visitor->trace(m_caller);
 }
 
 } // namespace WebCore