2 * Copyright (C) 2009 Apple Inc. All rights reserved.
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5 * modification, are permitted provided that the following conditions
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26 #ifndef CallFrameClosure_h
27 #define CallFrameClosure_h
31 struct CallFrameClosure {
32 CallFrame* oldCallFrame;
33 CallFrame* newCallFrame;
35 FunctionExecutable* functionExecutable;
36 JSGlobalData* globalData;
38 ScopeChainNode* scopeChain;
39 int parameterCountIncludingThis;
40 int argumentCountIncludingThis;
42 void setThis(JSValue value)
44 newCallFrame[-RegisterFile::CallFrameHeaderSize - parameterCountIncludingThis] = value;
45 if (argumentCountIncludingThis > parameterCountIncludingThis)
46 newCallFrame[-RegisterFile::CallFrameHeaderSize - parameterCountIncludingThis - argumentCountIncludingThis] = value;
49 void setArgument(int argument, JSValue value)
51 if (argument + 1 < parameterCountIncludingThis)
52 newCallFrame[argument + 1 - RegisterFile::CallFrameHeaderSize - parameterCountIncludingThis] = value;
54 if (argumentCountIncludingThis > parameterCountIncludingThis)
55 newCallFrame[argument + 1 - RegisterFile::CallFrameHeaderSize - parameterCountIncludingThis - argumentCountIncludingThis] = value;
60 newCallFrame->setScopeChain(scopeChain);
61 for (int i = argumentCountIncludingThis; i < parameterCountIncludingThis; ++i)
62 newCallFrame[i - RegisterFile::CallFrameHeaderSize - parameterCountIncludingThis] = jsUndefined();