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/*
* Copyright (C) 2008 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.
*/
#include "config.h"
#include "CallData.h"
#include "ExceptionHelpers.h"
#include "Interpreter.h"
#include "JSFunction.h"
namespace JSC {
JSValue call(ExecState* exec, JSValue functionObject, CallType callType, const CallData& callData, JSValue thisValue, const ArgList& args)
{
if (callType == CallTypeHost) {
ScopeChainNode* scopeChain = exec->scopeChain();
Interpreter *interp = exec->interpreter();
Register *oldEnd = interp->registerFile().end();
int argc = 1 + args.size(); // implicit "this" parameter
if (!interp->registerFile().grow(oldEnd + argc + RegisterFile::CallFrameHeaderSize))
return createStackOverflowError(exec);
CallFrame* newCallFrame = CallFrame::create(oldEnd);
newCallFrame[0] = thisValue;
size_t dst = 0;
ArgList::const_iterator it;
for (it = args.begin(); it != args.end(); ++it)
newCallFrame[++dst] = *it;
newCallFrame += argc + RegisterFile::CallFrameHeaderSize;
newCallFrame->init(0, /*vPC=*/0, scopeChain, exec, 0, argc, asObject(functionObject));
JSValue result = callData.native.function(newCallFrame, asObject(functionObject), thisValue, args);
interp->registerFile().shrink(oldEnd);
return result;
}
ASSERT(callType == CallTypeJS);
// FIXME: Can this be done more efficiently using the callData?
return asFunction(functionObject)->call(exec, thisValue, args);
}
} // namespace JSC
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