1/*
2 * Copyright (c) 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_COMPILER_CORE_AST_VERIFIER_CHECKINFINITELOOP_H
17#define ES2PANDA_COMPILER_CORE_AST_VERIFIER_CHECKINFINITELOOP_H
18
19#include "checkContext.h"
20
21namespace ark::es2panda::compiler::ast_verifier {
22
23class CheckInfiniteLoop {
24public:
25    explicit CheckInfiniteLoop([[maybe_unused]] ArenaAllocator &allocator) {}
26    [[nodiscard]] CheckResult operator()(CheckContext &ctx, const ir::AstNode *ast);
27
28private:
29    bool ConditionIsAlwaysTrue(const ir::Expression *const test) const;
30    bool HasBreakOrReturnStatement(const ir::Statement *const body) const;
31    [[nodiscard]] CheckResult HandleWhileStatement(CheckContext &ctx, const ir::WhileStatement *const stmt) const;
32    [[nodiscard]] CheckResult HandleDoWhileStatement(CheckContext &ctx, const ir::DoWhileStatement *const stmt) const;
33    [[nodiscard]] CheckResult HandleForUpdateStatement(CheckContext &ctx,
34                                                       const ir::ForUpdateStatement *const stmt) const;
35};
36
37}  // namespace ark::es2panda::compiler::ast_verifier
38
39#endif  // ES2PANDA_COMPILER_CORE_AST_VERIFIER_CHECKINFINITELOOP_H
40