1 /** 2 * Copyright (c) 2021 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_IR_STATEMENT_TRY_STATEMENT_H 17 #define ES2PANDA_IR_STATEMENT_TRY_STATEMENT_H 18 19 #include <ir/statement.h> 20 21 namespace panda::es2panda::compiler { 22 class PandaGen; 23 class TryLabelSet; 24 class TryContext; 25 } // namespace panda::es2panda::compiler 26 27 namespace panda::es2panda::checker { 28 class Checker; 29 class Type; 30 } // namespace panda::es2panda::checker 31 32 namespace panda::es2panda::ir { 33 34 class BlockStatement; 35 class CatchClause; 36 37 class TryStatement : public Statement { 38 public: TryStatement(BlockStatement * block,CatchClause * catchClause,BlockStatement * finalizer)39 explicit TryStatement(BlockStatement *block, CatchClause *catchClause, BlockStatement *finalizer) 40 : Statement(AstNodeType::TRY_STATEMENT), block_(block), catchClause_(catchClause), finalizer_(finalizer) 41 { 42 } 43 FinallyBlock()44 const BlockStatement *FinallyBlock() const 45 { 46 return finalizer_; 47 } 48 Block()49 BlockStatement *Block() const 50 { 51 return block_; 52 } 53 GetCatchClause()54 CatchClause *GetCatchClause() const 55 { 56 return catchClause_; 57 } 58 59 void Iterate(const NodeTraverser &cb) const override; 60 void Dump(ir::AstDumper *dumper) const override; 61 void Compile(compiler::PandaGen *pg) const override; 62 checker::Type *Check(checker::Checker *checker) const override; 63 void UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder) override; 64 65 private: 66 void CompileTryCatch(compiler::PandaGen *pg) const; 67 void CompileTryFinally(compiler::PandaGen *pg) const; 68 void CompileTryCatchFinally(compiler::PandaGen *pg) const; 69 void CompileFinally(compiler::PandaGen *pg, compiler::TryContext *tryCtx, 70 const compiler::TryLabelSet &labelSet) const; 71 72 BlockStatement *block_; 73 CatchClause *catchClause_; 74 BlockStatement *finalizer_; 75 }; 76 77 } // namespace panda::es2panda::ir 78 79 #endif 80