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_EXPRESSION_FUNCTION_EXPRESSION_H
17#define ES2PANDA_IR_EXPRESSION_FUNCTION_EXPRESSION_H
18
19#include "ir/expression.h"
20
21namespace ark::es2panda::ir {
22class ScriptFunction;
23
24class FunctionExpression : public Expression {
25public:
26    FunctionExpression() = delete;
27    ~FunctionExpression() override = default;
28
29    NO_COPY_SEMANTIC(FunctionExpression);
30    NO_MOVE_SEMANTIC(FunctionExpression);
31
32    explicit FunctionExpression(ScriptFunction *const func) : Expression(AstNodeType::FUNCTION_EXPRESSION), func_(func)
33    {
34    }
35
36    FunctionExpression(ir::Identifier *namedExpr, ScriptFunction *const func)
37        : Expression(AstNodeType::FUNCTION_EXPRESSION), func_(func), exprName_(namedExpr)
38    {
39    }
40
41    [[nodiscard]] const ScriptFunction *Function() const noexcept
42    {
43        return func_;
44    }
45
46    [[nodiscard]] ScriptFunction *Function() noexcept
47    {
48        return func_;
49    }
50
51    bool IsAnonymous() const
52    {
53        return exprName_ == nullptr;
54    }
55
56    ir::Identifier *Id()
57    {
58        return exprName_;
59    }
60
61    [[nodiscard]] FunctionExpression *Clone(ArenaAllocator *allocator, AstNode *parent) override;
62
63    void TransformChildren(const NodeTransformer &cb, std::string_view transformationName) override;
64    void Iterate(const NodeTraverser &cb) const override;
65
66    void Dump(ir::AstDumper *dumper) const override;
67    void Dump(ir::SrcDumper *dumper) const override;
68    void Compile(compiler::PandaGen *pg) const override;
69    void Compile(compiler::ETSGen *etsg) const override;
70    checker::Type *Check(checker::TSChecker *checker) override;
71    checker::Type *Check(checker::ETSChecker *checker) override;
72
73    void Accept(ASTVisitorT *v) override
74    {
75        v->Accept(this);
76    }
77
78private:
79    ScriptFunction *func_;
80    ir::Identifier *exprName_ {};
81};
82}  // namespace ark::es2panda::ir
83
84#endif
85