int exec()

in main.cpp [13:53]

• 39 lines of code
• 10 McCabe index (conditional complexity)

int exec(std::string&& str, VS&& vs)
{
    namespace inference = poac::core::infer;
    namespace exception = poac::core::exception;
    namespace cli = poac::io::cli;
    using namespace std::string_literals;

    // TODO: 広い空間でcatchするのは危険．Result typeを使用したい
    try {
        return std::stoi(inference::apply("exec"s, str, std::move(vs)));
    }
    catch (const exception::invalid_first_arg& e) {
        std::cerr << cli::to_red("ERROR: ") << e.what() << std::endl << std::endl;
        inference::apply("exec"s, "--help"s, VS());
        return EXIT_FAILURE;
    }
    catch (const exception::invalid_second_arg& e) {
        inference::apply("exec"s, "--help"s, VS({e.what()}));
        return EXIT_FAILURE;
    }
    catch (const exception::error& e) {
        std::cerr << cli::to_red("ERROR: ") << e.what() << std::endl;
        return EXIT_FAILURE;
    }
    catch (const exception::warn& e) {
        std::cout << cli::to_yellow("WARN: ") << e.what() << std::endl;
        return EXIT_SUCCESS;
    }
    catch (const YAML::BadConversion& e) {
        std::cout << cli::error << "poac.yml " << e.what()
                  << std::endl;
        return EXIT_SUCCESS;
    }
    catch (const std::invalid_argument& e) { // stoi error
        return EXIT_SUCCESS;
    }
    catch (...) {
        std::cerr << cli::to_error("Unexpected error") << std::endl;
        return EXIT_FAILURE;
    }
}