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diff --git a/Source/JavaScriptCore/debugger/DebuggerCallFrame.h b/Source/JavaScriptCore/debugger/DebuggerCallFrame.h
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+++ b/Source/JavaScriptCore/debugger/DebuggerCallFrame.h
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+/*
+ * Copyright (C) 2008 Apple 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:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  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 with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+#ifndef DebuggerCallFrame_h
+#define DebuggerCallFrame_h
+
+#include "CallFrame.h"
+
+namespace JSC {
+    
+    class DebuggerCallFrame {
+    public:
+        enum Type { ProgramType, FunctionType };
+
+        DebuggerCallFrame(CallFrame* callFrame)
+            : m_callFrame(callFrame)
+        {
+        }
+
+        DebuggerCallFrame(CallFrame* callFrame, JSValue exception)
+            : m_callFrame(callFrame)
+            , m_exception(exception)
+        {
+        }
+
+        JSGlobalObject* dynamicGlobalObject() const { return m_callFrame->dynamicGlobalObject(); }
+        ScopeChainNode* scopeChain() const { return m_callFrame->scopeChain(); }
+        const UString* functionName() const;
+        JS_EXPORT_PRIVATE UString calculatedFunctionName() const;
+        JS_EXPORT_PRIVATE Type type() const;
+        JS_EXPORT_PRIVATE JSObject* thisObject() const;
+        JS_EXPORT_PRIVATE JSValue evaluate(const UString&, JSValue& exception) const;
+        JSValue exception() const { return m_exception; }
+
+    private:
+        CallFrame* m_callFrame;
+        JSValue m_exception;
+    };
+
+} // namespace JSC
+
+#endif // DebuggerCallFrame_h