1 /** 2 * Copyright (c) 2021-2024 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_IR_TS_AS_EXPRESSION_H 17 #define ES2PANDA_IR_TS_AS_EXPRESSION_H 18 19 #include "ir/astDump.h" 20 #include "ir/srcDump.h" 21 #include "ir/expression.h" 22 namespace ark::es2panda::checker { 23 class ETSAnalyzer; 24 } // namespace ark::es2panda::checker 25 26 namespace ark::es2panda::compiler { 27 class ETSCompiler; 28 } // namespace ark::es2panda::compiler 29 namespace ark::es2panda::ir { 30 class TSAsExpression : public AnnotatedExpression { 31 public: 32 TSAsExpression() = delete; 33 ~TSAsExpression() override = default; 34 35 NO_COPY_SEMANTIC(TSAsExpression); 36 NO_MOVE_SEMANTIC(TSAsExpression); 37 TSAsExpression(Expression *expression, TypeNode *typeAnnotation, bool isConst)38 explicit TSAsExpression(Expression *expression, TypeNode *typeAnnotation, bool isConst) 39 : AnnotatedExpression(AstNodeType::TS_AS_EXPRESSION, typeAnnotation), expression_(expression), isConst_(isConst) 40 { 41 } 42 // NOTE (vivienvoros): these friend relationships can be removed once there are getters for private fields 43 friend class checker::ETSAnalyzer; 44 friend class compiler::ETSCompiler; 45 46 [[nodiscard]] const Expression *Expr() const noexcept 47 { 48 return expression_; 49 } 50 51 [[nodiscard]] Expression *Expr() noexcept; 52 void SetExpr(Expression *expr) noexcept; 53 54 [[nodiscard]] bool IsConst() const noexcept 55 { 56 return isConst_; 57 } 58 59 [[nodiscard]] TSAsExpression *Clone(ArenaAllocator *allocator, AstNode *parent) override; 60 61 void SetUncheckedCast(bool isUncheckedCast) noexcept 62 { 63 isUncheckedCast_ = isUncheckedCast; 64 } 65 66 void TransformChildren(const NodeTransformer &cb, std::string_view transformationName) override; 67 void Iterate(const NodeTraverser &cb) const override; 68 void Dump(ir::AstDumper *dumper) const override; 69 void Dump(ir::SrcDumper *dumper) const override; 70 void Compile([[maybe_unused]] compiler::PandaGen *pg) const override; 71 void Compile([[maybe_unused]] compiler::ETSGen *etsg) const override; 72 checker::Type *Check([[maybe_unused]] checker::TSChecker *checker) override; 73 checker::Type *Check([[maybe_unused]] checker::ETSChecker *checker) override; 74 75 void Accept(ASTVisitorT *v) override 76 { 77 v->Accept(this); 78 } 79 80 private: 81 Expression *expression_; 82 bool isUncheckedCast_ {true}; 83 bool isConst_; 84 }; 85 } // namespace ark::es2panda::ir 86 87 #endif 88