/* | |
* Copyright (C) 2009 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 CallFrameClosure_h | |
#define CallFrameClosure_h | |
namespace JSC { | |
struct CallFrameClosure { | |
CallFrame* oldCallFrame; | |
CallFrame* newCallFrame; | |
JSFunction* function; | |
FunctionExecutable* functionExecutable; | |
JSGlobalData* globalData; | |
Register* oldEnd; | |
ScopeChainNode* scopeChain; | |
int expectedParams; | |
int providedParams; | |
void setArgument(int arg, JSValue value) | |
{ | |
if (arg < expectedParams) | |
newCallFrame[arg - RegisterFile::CallFrameHeaderSize - expectedParams] = value; | |
else | |
newCallFrame[arg - RegisterFile::CallFrameHeaderSize - expectedParams - providedParams] = value; | |
} | |
void resetCallFrame() | |
{ | |
newCallFrame->setScopeChain(scopeChain); | |
newCallFrame->setCalleeArguments(JSValue()); | |
for (int i = providedParams; i < expectedParams; ++i) | |
newCallFrame[i - RegisterFile::CallFrameHeaderSize - expectedParams] = jsUndefined(); | |
} | |
}; | |
} | |
#endif |