mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
/*
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* Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
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* Copyright (C) 2001 Peter Kelly (pmk@post.com)
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* Copyright (C) 2004-2017 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "config.h"
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#include "GetterSetter.h"
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#include "Exception.h"
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#include "JSObjectInlines.h"
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#include <wtf/Assertions.h>
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namespace JSC {
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STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(GetterSetter);
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const ClassInfo GetterSetter::s_info = { "GetterSetter", nullptr, nullptr, nullptr, CREATE_METHOD_TABLE(GetterSetter) };
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void GetterSetter::visitChildren(JSCell* cell, SlotVisitor& visitor)
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{
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GetterSetter* thisObject = jsCast<GetterSetter*>(cell);
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ASSERT_GC_OBJECT_INHERITS(thisObject, info());
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Base::visitChildren(thisObject, visitor);
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visitor.append(thisObject->m_getter);
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visitor.append(thisObject->m_setter);
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}
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JSValue callGetter(JSGlobalObject* globalObject, JSValue base, JSValue getterSetter)
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{
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VM& vm = globalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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// FIXME: Some callers may invoke get() without checking for an exception first.
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// We work around that by checking here.
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RETURN_IF_EXCEPTION(scope, scope.exception()->value());
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JSObject* getter = jsCast<GetterSetter*>(getterSetter)->getter();
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auto callData = getCallData(vm, getter);
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RELEASE_AND_RETURN(scope, call(globalObject, getter, callData, base, ArgList()));
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}
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bool callSetter(JSGlobalObject* globalObject, JSValue base, JSValue getterSetter, JSValue value, ECMAMode ecmaMode)
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{
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VM& vm = globalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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GetterSetter* getterSetterObj = jsCast<GetterSetter*>(getterSetter);
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if (getterSetterObj->isSetterNull())
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return typeError(globalObject, scope, ecmaMode.isStrict(), ReadonlyPropertyWriteError);
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JSObject* setter = getterSetterObj->setter();
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MarkedArgumentBuffer args;
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args.append(value);
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ASSERT(!args.hasOverflowed());
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auto callData = getCallData(vm, setter);
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scope.release();
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call(globalObject, setter, callData, base, args);
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return true;
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}
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} // namespace JSC
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