--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/v8/ScriptCallStack.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2008, 2009 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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 ScriptCallStack_h
+#define ScriptCallStack_h
+
+#include "ScriptArray.h"
+#include "ScriptCallFrame.h"
+#include "ScriptState.h"
+#include "ScriptValue.h"
+#include <wtf/Noncopyable.h>
+#include <wtf/RefPtr.h>
+
+namespace v8 {
+    class Arguments;
+}
+
+namespace WebCore {
+
+class InspectorArray;
+
+class ScriptCallStack : public Noncopyable {
+public:
+    static const int maxCallStackSizeToCapture;
+
+    static PassOwnPtr<ScriptCallStack> create(const v8::Arguments&, unsigned skipArgumentCount = 0, int framCountLimit = 1);
+    static PassOwnPtr<ScriptCallStack> create(ScriptState*, v8::Handle<v8::StackTrace>);
+    ~ScriptCallStack();
+
+    // Returns false if there is no running JavaScript or if fetching the stack failed.
+    // Sets stackTrace to be an array of stack frame objects.
+    // A stack frame object looks like:
+    // {
+    //   scriptName: <file name for the associated script resource>
+    //   functionName: <name of the JavaScript function>
+    //   lineNumber: <1 based line number>
+    //   column: <1 based column offset on the line>
+    // }
+    static bool stackTrace(int frameLimit, const RefPtr<InspectorArray>& stackTrace);
+
+    const ScriptCallFrame& at(unsigned);
+    unsigned size();
+
+    ScriptState* state() const { return m_scriptState; }
+    ScriptState* globalState() const { return m_scriptState; }
+
+private:
+    ScriptCallStack(ScriptState* scriptState, PassOwnPtr<ScriptCallFrame> topFrame, Vector<OwnPtr<ScriptCallFrame> >& scriptCallFrames);
+    ScriptCallStack(ScriptState* scriptState, v8::Handle<v8::StackTrace> stackTrace);
+
+    OwnPtr<ScriptCallFrame> m_topFrame;
+    ScriptState* m_scriptState;
+    Vector<OwnPtr<ScriptCallFrame> > m_scriptCallFrames;
+};
+
+} // namespace WebCore
+
+#endif // ScriptCallStack_h