doris/be/src/vec/common/assert_cast.h

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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.
// This file is copied from
// https://github.com/ClickHouse/ClickHouse/blob/master/src/Common/assert_cast.h
// and modified by Doris

#pragma once

#include <string>
#include <type_traits>
#include <typeindex>
#include <typeinfo>

#include "common/logging.h"
#include "fmt/format.h"
#include "vec/common/demangle.h"
#include "vec/common/exception.h"

/** Perform static_cast in release build.
  * Checks type by comparing typeid and throw an exception in debug build.
  * The exact match of the type is checked. That is, cast to the ancestor will be unsuccessful.
  */
template <typename To, typename From>
To assert_cast(From&& from) {
#ifndef NDEBUG
    try {
        if constexpr (std::is_pointer_v<To>) {
            if (typeid(*from) == typeid(std::remove_pointer_t<To>)) return static_cast<To>(from);
        } else {
            if (typeid(from) == typeid(To)) return static_cast<To>(from);
        }
    } catch (const std::exception& e) {
        LOG(FATAL) << "assert cast err:" << e.what();
    }

    LOG(FATAL) << fmt::format("Bad cast from type:{} to {}", demangle(typeid(from).name()),
                              demangle(typeid(To).name()));
    __builtin_unreachable();
#else
    return static_cast<To>(from);
#endif
}