1 /* 2 * Copyright (c) 2023-2024 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 ES2PANDA_COMPILER_LOWERING_OPTIONAL_LOWERING_H 17 #define ES2PANDA_COMPILER_LOWERING_OPTIONAL_LOWERING_H 18 19 #include "compiler/lowering/phase.h" 20 21 namespace ark::es2panda::compiler { 22 23 class OptionalLowering : public Phase { 24 public: 25 std::string_view Name() const override; 26 bool Perform(public_lib::Context *ctx, parser::Program *program) override; 27 bool Postcondition(public_lib::Context *ctx, const parser::Program *program) override; 28 }; 29 30 } // namespace ark::es2panda::compiler 31 32 #endif 33