/** * Copyright (c) 2021-2024 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef ES2PANDA_IR_STATEMENT_FOR_OF_STATEMENT_H #define ES2PANDA_IR_STATEMENT_FOR_OF_STATEMENT_H #include #include "ir/statements/loopStatement.h" namespace ark::es2panda::varbinder { class LoopScope; } // namespace ark::es2panda::varbinder namespace ark::es2panda::checker { class ETSAnalyzer; class ETSObjectType; } // namespace ark::es2panda::checker namespace ark::es2panda::ir { class Expression; // NOLINTBEGIN(modernize-avoid-c-arrays) inline constexpr char const ITERATOR_INTERFACE_NAME[] = "Iterator"; inline constexpr char const ITERATOR_INTERFACE_METHOD[] = "next"; inline constexpr char const ITERATOR_RESULT_NAME[] = "IteratorResult"; // NOLINTEND(modernize-avoid-c-arrays) class ForOfStatement final : public LoopStatement { friend class checker::ETSAnalyzer; public: ForOfStatement() = delete; ~ForOfStatement() override = default; NO_COPY_SEMANTIC(ForOfStatement); NO_MOVE_SEMANTIC(ForOfStatement); explicit ForOfStatement(AstNode *left, Expression *right, Statement *body, bool const isAwait) : LoopStatement(AstNodeType::FOR_OF_STATEMENT), left_(left), right_(right), body_(body), isAwait_(isAwait) { } [[nodiscard]] AstNode *Left() noexcept { return left_; } [[nodiscard]] const AstNode *Left() const noexcept { return left_; } [[nodiscard]] Expression *Right() noexcept { return right_; } [[nodiscard]] const Expression *Right() const noexcept { return right_; } [[nodiscard]] Statement *Body() noexcept { return body_; } [[nodiscard]] const Statement *Body() const noexcept { return body_; } [[nodiscard]] bool IsAwait() const noexcept { return isAwait_; } [[nodiscard]] ForOfStatement *Clone(ArenaAllocator *allocator, AstNode *parent) override; void TransformChildren(const NodeTransformer &cb, std::string_view transformationName) override; void Iterate(const NodeTraverser &cb) const override; void Dump(ir::AstDumper *dumper) const override; void Dump(ir::SrcDumper *dumper) const override; void Compile(compiler::PandaGen *pg) const override; void Compile(compiler::ETSGen *etsg) const override; checker::Type *Check(checker::TSChecker *checker) override; checker::Type *Check(checker::ETSChecker *checker) override; void Accept(ASTVisitorT *v) override { v->Accept(this); } protected: [[nodiscard]] checker::Type *CheckIteratorMethod(checker::ETSChecker *checker); [[nodiscard]] checker::Type *CheckIteratorMethodForObject(checker::ETSChecker *checker, checker::ETSObjectType *sourceType); static bool CheckReturnTypeOfIteratorMethod(checker::ETSChecker *checker, checker::ETSObjectType *sourceType, checker::Signature *signature, const lexer::SourcePosition &position); static bool CheckIteratorInterfaceForObject(checker::ETSChecker *checker, checker::ETSObjectType *obj); private: checker::Type *CreateUnionIteratorTypes(checker::ETSChecker *checker, checker::Type *exprType); AstNode *left_; Expression *right_; Statement *body_; bool isAwait_; }; } // namespace ark::es2panda::ir #endif