JavaScriptCore-1097.13.tar.gz

[apple/javascriptcore.git] / interpreter / CallFrameClosure.h

/*
 * Copyright (C) 2009 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 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
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#ifndef CallFrameClosure_h
#define CallFrameClosure_h

namespace JSC {

struct CallFrameClosure {
    CallFrame* oldCallFrame;
    CallFrame* newCallFrame;
    JSFunction* function;
    FunctionExecutable* functionExecutable;
    JSGlobalData* globalData;
    Register* oldEnd;
    ScopeChainNode* scopeChain;
    int parameterCountIncludingThis;
    int argumentCountIncludingThis;
    
    void setThis(JSValue value)
    {
        newCallFrame->setThisValue(value);
    }

    void setArgument(int argument, JSValue value)
    {
        newCallFrame->setArgument(argument, value);
    }

    void resetCallFrame()
    {
        newCallFrame->setScopeChain(scopeChain);
        for (int i = argumentCountIncludingThis; i < parameterCountIncludingThis; ++i)
            newCallFrame->setArgument(i, jsUndefined());
    }
};

}

#endif