/* * Copyright (C) 2015 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. */ #pragma once #include "JSObject.h" #include "WeakMapImpl.h" namespace JSC { class JSWeakSet final : public WeakMapImpl<WeakMapBucket<WeakMapBucketDataKey>> { public: using Base = WeakMapImpl<WeakMapBucket<WeakMapBucketDataKey>>; DECLARE_EXPORT_INFO; static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) { return Structure::create(vm, globalObject, prototype, TypeInfo(JSWeakSetType, StructureFlags), info()); } static JSWeakSet* create(VM& vm, Structure* structure) { JSWeakSet* instance = new (NotNull, allocateCell<JSWeakSet>(vm.heap)) JSWeakSet(vm, structure); instance->finishCreation(vm); return instance; } private: JSWeakSet(VM& vm, Structure* structure) : Base(vm, structure) { } static String toStringName(const JSObject*, ExecState*); }; inline bool isJSWeakSet(JSCell* from) { static_assert(std::is_final<JSWeakSet>::value, ""); return from->type() == JSWeakSetType; } inline bool isJSWeakSet(JSValue from) { static_assert(std::is_final<JSWeakSet>::value, ""); return from.isCell() && from.asCell()->type() == JSWeakSetType; } } // namespace JSC