mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
74 lines
3.3 KiB
C++
74 lines
3.3 KiB
C++
/*
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* Copyright (C) 2012-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "JSSymbolTableObject.h"
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#include "JSCInlines.h"
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#include "PropertyNameArray.h"
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namespace JSC {
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const ClassInfo JSSymbolTableObject::s_info = { "SymbolTableObject", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSSymbolTableObject) };
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void JSSymbolTableObject::visitChildren(JSCell* cell, SlotVisitor& visitor)
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{
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JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(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_symbolTable);
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}
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bool JSSymbolTableObject::deleteProperty(JSCell* cell, JSGlobalObject* globalObject, PropertyName propertyName, DeletePropertySlot& slot)
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{
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JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(cell);
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if (thisObject->symbolTable()->contains(propertyName.uid()))
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return false;
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return Base::deleteProperty(thisObject, globalObject, propertyName, slot);
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}
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void JSSymbolTableObject::getOwnSpecialPropertyNames(JSObject* object, JSGlobalObject* globalObject, PropertyNameArray& propertyNames, DontEnumPropertiesMode mode)
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{
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VM& vm = globalObject->vm();
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JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(object);
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{
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ConcurrentJSLocker locker(thisObject->symbolTable()->m_lock);
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SymbolTable::Map::iterator end = thisObject->symbolTable()->end(locker);
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for (SymbolTable::Map::iterator it = thisObject->symbolTable()->begin(locker); it != end; ++it) {
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if (mode == DontEnumPropertiesMode::Include || !it->value.isDontEnum()) {
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if (it->key->isSymbol() && !propertyNames.includeSymbolProperties())
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continue;
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propertyNames.add(Identifier::fromUid(vm, it->key.get()));
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}
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}
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}
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}
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} // namespace JSC
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