1 /* 2 * Copyright (c) 2023 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_JSOBJECT_RESIZING_STRATEGY_H 17 #define ECMASCRIPT_JSOBJECT_RESIZING_STRATEGY_H 18 19 namespace panda::ecmascript { 20 class JSThread; 21 class JSObjectResizingStrategy { 22 public: 23 static constexpr int PROPERTIES_GROW_SIZE = 4; 24 JSObjectResizingStrategy() = default; 25 virtual ~JSObjectResizingStrategy() = default; 26 virtual void UpdateGrowStep(JSThread *thread, uint32_t step = PROPERTIES_GROW_SIZE) = 0; 27 }; 28 29 class ThroughputJSObjectResizingStrategy : public JSObjectResizingStrategy { 30 public: 31 virtual void UpdateGrowStep(JSThread *thread, uint32_t step = PROPERTIES_GROW_SIZE) override; 32 }; 33 } // namespace panda::ecmascript 34 35 #endif // ECMASCRIPT_JSOBJECT_RESIZING_STRATEGY_H