1/**
2 * Copyright (c) 2021-2022 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#include "statement.h"
17
18namespace panda::es2panda::ir {
19void Statement::UpdateForMultipleTransformedStatements(const NodeUpdater &cb,
20                                                       ArenaVector<Statement *> &originStatements)
21{
22    for (auto iter = originStatements.begin(); iter != originStatements.end();) {
23        auto newStatements = cb(*iter);
24        if (std::holds_alternative<ir::AstNode *>(newStatements)) {
25            auto statement = std::get<ir::AstNode *>(newStatements);
26            if (statement == *iter) {
27                iter++;
28            } else if (statement == nullptr) {
29                iter = originStatements.erase(iter);
30            } else {
31                *iter = statement->AsStatement();
32                iter++;
33            }
34        } else {
35            auto statements = std::get<std::vector<ir::AstNode *>>(newStatements);
36            for (auto *it : statements) {
37                iter = originStatements.insert(iter, it->AsStatement());
38                iter++;
39            }
40            iter = originStatements.erase(iter);
41        }
42    }
43}
44}  // namespace panda::es2panda::ir
45