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_VARIABLE_DECLARATOR_H
17#define ES2PANDA_IR_STATEMENT_VARIABLE_DECLARATOR_H
18
19#include <ir/expression.h>
20#include <ir/statement.h>
21
22namespace panda::es2panda::compiler {
23class PandaGen;
24}  // namespace panda::es2panda::compiler
25
26namespace panda::es2panda::checker {
27class Checker;
28class Type;
29}  // namespace panda::es2panda::checker
30
31namespace panda::es2panda::ir {
32
33class Expression;
34
35class VariableDeclarator : public Statement {
36public:
37    explicit VariableDeclarator(Expression *ident)
38        : Statement(AstNodeType::VARIABLE_DECLARATOR), id_(ident), init_(nullptr)
39    {
40    }
41
42    explicit VariableDeclarator(Expression *ident, Expression *init)
43        : Statement(AstNodeType::VARIABLE_DECLARATOR), id_(ident), init_(init)
44    {
45    }
46
47    Expression *Init()
48    {
49        return init_;
50    }
51
52    const Expression *Init() const
53    {
54        return init_;
55    }
56
57    Expression *Id()
58    {
59        return id_;
60    }
61
62    const Expression *Id() const
63    {
64        return id_;
65    }
66
67    bool Definite() const
68    {
69        return definite_;
70    }
71
72    void SetDefinite(bool definite)
73    {
74        definite_ = definite;
75    }
76
77    void Iterate(const NodeTraverser &cb) const override;
78    void Dump(ir::AstDumper *dumper) const override;
79    void Compile(compiler::PandaGen *pg) const override;
80    checker::Type *Check(checker::Checker *checker) const override;
81    void UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder) override;
82
83private:
84    Expression *id_;
85    Expression *init_;
86    // TODO(xucheng): don't use now, it will be used in type checker later
87    bool definite_ {false};
88};
89
90}  // namespace panda::es2panda::ir
91
92#endif
93