1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_JS_WEAK_CONTAINER_H 17 #define ECMASCRIPT_JS_WEAK_CONTAINER_H 18 19 #include <limits> 20 #include "ecmascript/js_object.h" 21 22 namespace panda::ecmascript { 23 class JSWeakMap : public JSObject { 24 public: Cast(ObjectHeader * object)25 static JSWeakMap *Cast(ObjectHeader *object) 26 { 27 ASSERT(JSTaggedValue(object).IsJSWeakMap()); 28 return static_cast<JSWeakMap *>(object); 29 } 30 31 static bool Delete(JSThread *thread, const JSHandle<JSWeakMap> &map, const JSHandle<JSTaggedValue> &key); 32 33 static void Set(JSThread *thread, const JSHandle<JSWeakMap> &map, const JSHandle<JSTaggedValue> &key, 34 const JSHandle<JSTaggedValue> &value); 35 36 bool Has(JSTaggedValue key) const; 37 38 JSTaggedValue Get(JSTaggedValue key) const; 39 40 int GetSize() const; 41 42 static constexpr size_t LINKED_MAP_OFFSET = JSObject::SIZE; 43 ACCESSORS(LinkedMap, LINKED_MAP_OFFSET, SIZE) 44 45 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, LINKED_MAP_OFFSET, SIZE) 46 DECL_DUMP() 47 }; 48 49 class JSWeakSet : public JSObject { 50 public: Cast(ObjectHeader * object)51 static JSWeakSet *Cast(ObjectHeader *object) 52 { 53 ASSERT(JSTaggedValue(object).IsJSWeakSet()); 54 return static_cast<JSWeakSet *>(object); 55 } 56 static bool Delete(JSThread *thread, const JSHandle<JSWeakSet> &set, const JSHandle<JSTaggedValue> &value); 57 58 static void Add(JSThread *thread, const JSHandle<JSWeakSet> &set, const JSHandle<JSTaggedValue> &value); 59 60 bool Has(JSTaggedValue value) const; 61 62 int GetSize() const; 63 64 static constexpr size_t LINKED_SET_OFFSET = JSObject::SIZE; 65 ACCESSORS(LinkedSet, LINKED_SET_OFFSET, SIZE) 66 67 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, LINKED_SET_OFFSET, SIZE) 68 69 DECL_DUMP() 70 }; 71 } // namespace panda::ecmascript 72 #endif // ECMASCRIPT_JS_WEAK_CONTAINER_H