1 /** 2 * Copyright (c) 2021-2022 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 #include "parserContext.h" 17 18 #include <algorithm> 19 20 namespace panda::es2panda::parser { FindLabel(const util::StringView & label) const21const ParserContext *ParserContext::FindLabel(const util::StringView &label) const 22 { 23 const auto *iter = this; 24 do { 25 if (iter->label_.Empty()) { 26 return nullptr; 27 } 28 29 if (iter->label_ == label) { 30 return iter; 31 } 32 33 iter = iter->prev_; 34 } while (iter); 35 36 return nullptr; 37 } 38 } // namespace panda::es2panda::parser 39