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_STATEMENT_RETURN_STATEMENT_H
17 #define ES2PANDA_IR_STATEMENT_RETURN_STATEMENT_H
18 
19 #include "ir/statement.h"
20 
21 namespace ark::es2panda::checker {
22 class ETSAnalyzer;
23 }  // namespace ark::es2panda::checker
24 
25 namespace ark::es2panda::compiler {
26 class ETSCompiler;
27 }  // namespace ark::es2panda::compiler
28 
29 namespace ark::es2panda::compiler {
30 class JSCompiler;
31 class ETSCompiler;
32 }  // namespace ark::es2panda::compiler
33 
34 namespace ark::es2panda::ir {
35 class ReturnStatement : public Statement {
36 public:
ReturnStatement()37     explicit ReturnStatement() : ReturnStatement(nullptr) {}
ReturnStatement(Expression *argument)38     explicit ReturnStatement(Expression *argument) : Statement(AstNodeType::RETURN_STATEMENT), argument_(argument) {}
39 
40     // NOTE: csabahurton. these friend relationships can be removed once there are getters for private fields
41     friend class checker::ETSAnalyzer;
42     friend class compiler::ETSCompiler;
43 
44     Expression *Argument() noexcept
45     {
46         return argument_;
47     }
48 
49     const Expression *Argument() const noexcept
50     {
51         return argument_;
52     }
53 
54     checker::Type *ReturnType() noexcept
55     {
56         return returnType_;
57     }
58 
59     const checker::Type *ReturnType() const noexcept
60     {
61         return returnType_;
62     }
63 
64     void TransformChildren(const NodeTransformer &cb, std::string_view transformationName) override;
65     void SetReturnType(checker::ETSChecker *checker, checker::Type *type) override;
66     void SetArgument(Expression *arg);
67 
68     void Iterate(const NodeTraverser &cb) const override;
69     void Dump(ir::AstDumper *dumper) const override;
70     void Dump(ir::SrcDumper *dumper) const override;
71     void Compile(compiler::PandaGen *pg) const override;
72     void Compile(compiler::ETSGen *etsg) const override;
73     checker::Type *Check(checker::TSChecker *checker) override;
74     checker::Type *Check(checker::ETSChecker *checker) override;
75 
76     void Accept(ASTVisitorT *v) override
77     {
78         v->Accept(this);
79     }
80 
81 private:
82     Expression *argument_ {};
83     checker::Type *returnType_ {};
84 };
85 }  // namespace ark::es2panda::ir
86 
87 #endif
88