* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "statement.h"
namespace panda::es2panda::ir {
void Statement::UpdateForMultipleTransformedStatements(const NodeUpdater &cb,
ArenaVector<Statement *> &originStatements)
{
for (auto iter = originStatements.begin(); iter != originStatements.end();) {
auto newStatements = cb(*iter);
if (std::holds_alternative<ir::AstNode *>(newStatements)) {
auto statement = std::get<ir::AstNode *>(newStatements);
if (statement == *iter) {
iter++;
} else if (statement == nullptr) {
iter = originStatements.erase(iter);
} else {
*iter = statement->AsStatement();
iter++;
}
} else {
auto statements = std::get<std::vector<ir::AstNode *>>(newStatements);
for (auto *it : statements) {
iter = originStatements.insert(iter, it->AsStatement());
iter++;
}
iter = originStatements.erase(iter);
}
}
}
}