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 21 #include "ecmascript/js_object.h" 22 23 namespace panda::ecmascript { 24 class JSWeakMap : public JSObject { 25 public: Cast(TaggedObject * object)26 static JSWeakMap *Cast(TaggedObject *object) 27 { 28 ASSERT(JSTaggedValue(object).IsJSWeakMap()); 29 return static_cast<JSWeakMap *>(object); 30 } 31 32 static bool Delete(JSThread *thread, const JSHandle<JSWeakMap> &map, const JSHandle<JSTaggedValue> &key); 33 34 static void Set(JSThread *thread, const JSHandle<JSWeakMap> &map, const JSHandle<JSTaggedValue> &key, 35 const JSHandle<JSTaggedValue> &value); 36 37 bool Has(JSTaggedValue key) const; 38 39 JSTaggedValue Get(JSTaggedValue key) const; 40 41 int GetSize() const; 42 43 static constexpr size_t LINKED_MAP_OFFSET = JSObject::SIZE; 44 ACCESSORS(LinkedMap, LINKED_MAP_OFFSET, SIZE) 45 46 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, LINKED_MAP_OFFSET, SIZE) 47 DECL_DUMP() 48 }; 49 50 class JSWeakSet : public JSObject { 51 public: Cast(TaggedObject * object)52 static JSWeakSet *Cast(TaggedObject *object) 53 { 54 ASSERT(JSTaggedValue(object).IsJSWeakSet()); 55 return static_cast<JSWeakSet *>(object); 56 } 57 static bool Delete(JSThread *thread, const JSHandle<JSWeakSet> &set, const JSHandle<JSTaggedValue> &value); 58 59 static void Add(JSThread *thread, const JSHandle<JSWeakSet> &set, const JSHandle<JSTaggedValue> &value); 60 61 bool Has(JSTaggedValue value) const; 62 63 int GetSize() const; 64 65 static constexpr size_t LINKED_SET_OFFSET = JSObject::SIZE; 66 ACCESSORS(LinkedSet, LINKED_SET_OFFSET, SIZE) 67 68 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, LINKED_SET_OFFSET, SIZE) 69 70 DECL_DUMP() 71 }; 72 } // namespace panda::ecmascript 73 #endif // ECMASCRIPT_JS_WEAK_CONTAINER_H