scriptcallstack.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (c) 2008, Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
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 * 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.
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 * 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
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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#ifndef ScriptCallStack_h
#define ScriptCallStack_h

#include "ScriptCallFrame.h"
#include "ScriptState.h"
#include "ScriptString.h"
#include <wtf/Noncopyable.h>

namespace JSC {
    class ExecState;
    class JSValuePtr;
}

namespace WebCore {

    class ScriptCallStack : public Noncopyable {
    public:
        ScriptCallStack(JSC::ExecState*, const JSC::ArgList&, unsigned skipArgumentCount = 0);
        ~ScriptCallStack();

        ScriptState* state() const { return m_exec; }
        // frame retrieval methods
        const ScriptCallFrame &at(unsigned);
        unsigned size();

    private:
        void initialize();
        bool m_initialized;

        JSC::ExecState* m_exec;
        Vector<ScriptCallFrame> m_frames;
        JSC::InternalFunction* m_caller;
    };

} // namespace WebCore

#endif // ScriptCallStack_h