default_main.h

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/*
 * Copyright 2021 MusicScience37 (Kenta Kabashima)
 *
 * 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.
 */
#pragma once
 
#include <cstdlib>
#include <exception>
#include <iostream>
 
#include <lyra/cli.hpp>
 
#include "stat_bench/runner/command_line_parser.h"
#include "stat_bench/runner/config.h"
#include "stat_bench/runner/runner.h"
 
namespace stat_bench {
namespace impl {

inline auto default_main(int argc, const char** argv) noexcept -> int {
    try {
        stat_bench::runner::CommandLineParser parser;
        parser.parse_cli(argc, argv);
        if (parser.config().show_help) {
            std::cout << parser.cli()
                      << std::endl;  // NOLINT(performance-avoid-endl)
            return EXIT_SUCCESS;
        }
        stat_bench::runner::Runner runner{parser.config()};
        runner.run();
        return EXIT_SUCCESS;
    } catch (const std::exception& e) {
        std::cerr << "Error: " << e.what()
                  << std::endl;  // NOLINT(performance-avoid-endl)
        return EXIT_FAILURE;
    }
}
 
}  // namespace impl
}  // namespace stat_bench

#define STAT_BENCH_IMPL_DEFAULT_MAIN                         \
    auto main(int argc, const char** argv) -> int {          \
        return ::stat_bench::impl::default_main(argc, argv); \
    }