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/*
* Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2004, 2007, 2008, 2009 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "GetterSetter.h"
#include "Error.h"
#include "JSObject.h"
#include "Operations.h"
#include <wtf/Assertions.h>
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(GetterSetter);
const ClassInfo GetterSetter::s_info = { "GetterSetter", 0, 0, 0, CREATE_METHOD_TABLE(GetterSetter) };
void GetterSetter::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
GetterSetter* thisObject = jsCast<GetterSetter*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
JSCell::visitChildren(thisObject, visitor);
visitor.append(&thisObject->m_getter);
visitor.append(&thisObject->m_setter);
}
JSValue callGetter(ExecState* exec, JSValue base, JSValue getterSetter)
{
// FIXME: Some callers may invoke get() without checking for an exception first.
// We work around that by checking here.
if (exec->hadException())
return exec->exception();
JSObject* getter = jsCast<GetterSetter*>(getterSetter)->getter();
if (!getter)
return jsUndefined();
CallData callData;
CallType callType = getter->methodTable()->getCallData(getter, callData);
return call(exec, getter, callType, callData, base, ArgList());
}
void callSetter(ExecState* exec, JSValue base, JSValue getterSetter, JSValue value, ECMAMode ecmaMode)
{
JSObject* setter = jsCast<GetterSetter*>(getterSetter)->setter();
if (!setter) {
if (ecmaMode == StrictMode)
throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
return;
}
MarkedArgumentBuffer args;
args.append(value);
CallData callData;
CallType callType = setter->methodTable()->getCallData(setter, callData);
call(exec, setter, callType, callData, base, args);
}
} // namespace JSC
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