1/**
2 * Copyright (c) 2023-2024 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_BLOCK_EXPRESSION_H
17#define ES2PANDA_IR_EXPRESSION_BLOCK_EXPRESSION_H
18
19#include "ir/astNode.h"
20#include "ir/expression.h"
21#include "ir/statement.h"
22
23namespace ark::es2panda::ir {
24
25class BlockExpression : public Expression {
26private:
27    struct Tag {};
28
29public:
30    BlockExpression() = delete;
31    ~BlockExpression() override = default;
32
33    NO_COPY_SEMANTIC(BlockExpression);
34    NO_MOVE_SEMANTIC(BlockExpression);
35
36    explicit BlockExpression(ArenaVector<ir::Statement *> &&statements);
37    explicit BlockExpression(Tag tag, BlockExpression const &other, ArenaAllocator *allocator);
38
39    [[nodiscard]] ArenaVector<ir::Statement *> const &Statements() const noexcept
40    {
41        return statements_;
42    }
43
44    [[nodiscard]] ArenaVector<ir::Statement *> &Statements() noexcept
45    {
46        return statements_;
47    }
48
49    void AddStatements(ArenaVector<ir::Statement *> const &statements)
50    {
51        std::copy_if(statements.begin(), statements.end(), std::back_inserter(statements_),
52                     [this](ir::Statement *statement) {
53                         if (statement != nullptr) {
54                             statement->SetParent(this);
55                             return true;
56                         };
57                         return false;
58                     });
59    }
60
61    void AddStatement(ir::Statement *statement)
62    {
63        if (statement != nullptr) {
64            statement->SetParent(this);
65            statements_.emplace_back(statement);
66        }
67    }
68
69    [[nodiscard]] BlockExpression *Clone(ArenaAllocator *allocator, AstNode *parent) override;
70
71    [[nodiscard]] bool IsScopeBearer() const noexcept override
72    {
73        return true;
74    }
75
76    [[nodiscard]] varbinder::Scope *Scope() const noexcept override
77    {
78        return scope_;
79    }
80
81    void SetScope(varbinder::Scope *scope)
82    {
83        ASSERT(scope_ == nullptr);
84        scope_ = scope;
85    }
86
87    void ClearScope() noexcept override
88    {
89        scope_ = nullptr;
90    }
91
92    void TransformChildren(const NodeTransformer &cb, std::string_view transformationName) override;
93    void Iterate(const NodeTraverser &cb) const override;
94    void Dump(ir::AstDumper *dumper) const override;
95    void Dump(ir::SrcDumper *dumper) const override;
96    void Compile([[maybe_unused]] compiler::PandaGen *pg) const override;
97    void Compile([[maybe_unused]] compiler::ETSGen *etsg) const override;
98    checker::Type *Check([[maybe_unused]] checker::TSChecker *checker) override;
99    checker::Type *Check([[maybe_unused]] checker::ETSChecker *checker) override;
100
101    void Accept(ASTVisitorT *v) override
102    {
103        v->Accept(this);
104    }
105
106private:
107    varbinder::Scope *scope_ = {};
108    ArenaVector<ir::Statement *> statements_;
109};
110}  // namespace ark::es2panda::ir
111
112#endif
113