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diff --git a/Source/JavaScriptCore/interpreter/VMInspector.h b/Source/JavaScriptCore/interpreter/VMInspector.h
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+++ b/Source/JavaScriptCore/interpreter/VMInspector.h
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+/*
+ * Copyright (C) 2012 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
+ * 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 VMInspector_h
+#define VMInspector_h
+
+#define ENABLE_VMINSPECTOR 0
+
+#if ENABLE(VMINSPECTOR)
+
+#include "CallFrame.h"
+#include "JSValue.h"
+
+namespace JSC {
+
+class VMInspector {
+public:    
+    static JS_EXPORT_PRIVATE const char* getTypeName(JSValue);
+    static JS_EXPORT_PRIVATE void dumpFrame0(CallFrame*);
+    static JS_EXPORT_PRIVATE void dumpFrame(CallFrame*, const char* prefix = 0, const char* funcName = 0, const char* file = 0, int line = -1);
+    static JS_EXPORT_PRIVATE int countFrames(CallFrame*);
+};
+
+} // namespace JSC
+
+#endif // ENABLE(VMINSPECTOR)
+
+#endif // VMInspector.h