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 #ifndef ES2PANDA_COMPILER_BASE_CATCH_TABLE_H 17 #define ES2PANDA_COMPILER_BASE_CATCH_TABLE_H 18 19 #include <ir/irnode.h> 20 #include <compiler/core/labelPair.h> 21 22 namespace panda::es2panda::compiler { 23 24 class PandaGen; 25 26 class TryLabelSet { 27 public: 28 explicit TryLabelSet(PandaGen *pg); 29 30 ~TryLabelSet() = default; 31 DEFAULT_COPY_SEMANTIC(TryLabelSet); 32 DEFAULT_MOVE_SEMANTIC(TryLabelSet); 33 TryLabelPair()34 const LabelPair &TryLabelPair() const 35 { 36 return try_; 37 } 38 CatchLabelPair()39 const LabelPair &CatchLabelPair() const 40 { 41 return catch_; 42 } 43 TryBegin()44 Label *TryBegin() const 45 { 46 return try_.Begin(); 47 } 48 TryEnd()49 Label *TryEnd() const 50 { 51 return try_.End(); 52 } 53 CatchBegin()54 Label *CatchBegin() const 55 { 56 return catch_.Begin(); 57 } 58 CatchEnd()59 Label *CatchEnd() const 60 { 61 return catch_.End(); 62 } 63 64 private: 65 LabelPair try_; 66 LabelPair catch_; 67 }; 68 69 class CatchTable { 70 public: CatchTable(PandaGen * pg,uint32_t depth)71 CatchTable(PandaGen *pg, uint32_t depth) : labelSet_(pg), depth_(depth) {} 72 73 ~CatchTable() = default; 74 NO_COPY_SEMANTIC(CatchTable); 75 NO_MOVE_SEMANTIC(CatchTable); 76 LabelSet()77 const TryLabelSet &LabelSet() const 78 { 79 return labelSet_; 80 } 81 Depth()82 uint32_t Depth() const 83 { 84 return depth_; 85 } 86 87 private: 88 TryLabelSet labelSet_; 89 uint32_t depth_; 90 }; 91 92 } // namespace panda::es2panda::compiler 93 94 #endif 95