/* | |
* 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 CachedCall_h | |
#define CachedCall_h | |
#include "CallFrameClosure.h" | |
#include "JSFunction.h" | |
#include "JSGlobalObject.h" | |
#include "Interpreter.h" | |
namespace JSC { | |
class CachedCall : public Noncopyable { | |
public: | |
CachedCall(CallFrame* callFrame, JSFunction* function, int argCount, JSValue* exception) | |
: m_valid(false) | |
, m_interpreter(callFrame->interpreter()) | |
, m_exception(exception) | |
, m_globalObjectScope(callFrame, function->scope().globalObject()) | |
{ | |
ASSERT(!function->isHostFunction()); | |
m_closure = m_interpreter->prepareForRepeatCall(function->jsExecutable(), callFrame, function, argCount, function->scope().node(), exception); | |
m_valid = !*exception; | |
} | |
JSValue call() | |
{ | |
ASSERT(m_valid); | |
return m_interpreter->execute(m_closure, m_exception); | |
} | |
void setThis(JSValue v) { m_closure.setArgument(0, v); } | |
void setArgument(int n, JSValue v) { m_closure.setArgument(n + 1, v); } | |
CallFrame* newCallFrame(ExecState* exec) | |
{ | |
CallFrame* callFrame = m_closure.newCallFrame; | |
callFrame->setScopeChain(exec->scopeChain()); | |
return callFrame; | |
} | |
~CachedCall() | |
{ | |
if (m_valid) | |
m_interpreter->endRepeatCall(m_closure); | |
} | |
private: | |
bool m_valid; | |
Interpreter* m_interpreter; | |
JSValue* m_exception; | |
DynamicGlobalObjectScope m_globalObjectScope; | |
CallFrameClosure m_closure; | |
}; | |
} | |
#endif |