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_FILTER_HELPER_H 17 #define ECMASCRIPT_FILTER_HELPER_H 18 19 #include "ecmascript/object_operator.h" 20 #include "ecmascript/property_attributes.h" 21 22 #define NATIVE_DEFAULT 0 23 #define NATIVE_WRITABLE 1 << 0 24 #define NATIVE_ENUMERABLE 1 << 1 25 #define NATIVE_CONFIGURABLE 1 << 2 26 #define NATIVE_KEY_SKIP_STRINGS 1 << 3 27 #define NATIVE_KEY_SKIP_SYMBOLS 1 << 4 28 #define NATIVE_KEY_INCLUDE_PROTOTYPES 1 << 5 29 #define NATIVE_KEY_OWN_ONLY 1 << 6 30 #define NATIVE_KEY_KEEP_NUMBERS 1 << 7 31 #define NATIVE_KEY_NUMBERS_TO_STRINGS 1 << 8 32 33 namespace panda::ecmascript { 34 class PropertyAttributes; 35 class ObjectOperator; 36 37 class FilterHelper { 38 public: 39 template <typename T> IgnoreKeyByFilter(T & desc,uint32_t filter)40 static bool IgnoreKeyByFilter(T &desc, uint32_t filter) 41 { 42 if (filter == NATIVE_DEFAULT) { 43 return false; 44 } 45 if ((filter & NATIVE_WRITABLE) && !desc.IsWritable()) { 46 return true; 47 } 48 if ((filter & NATIVE_ENUMERABLE) && !desc.IsEnumerable()) { 49 return true; 50 } 51 if ((filter & NATIVE_CONFIGURABLE) && !desc.IsConfigurable()) { 52 return true; 53 } 54 return false; 55 } 56 }; 57 } // namespace panda::ecmascript 58 59 #endif // ECMASCRIPT_GENERATOR_HELPER_H 60