error.hpp

#ifndef TOPAZ_CORE_ERROR_HPP
#define TOPAZ_CORE_ERROR_HPP
#include <string_view>
#include <string>
#include <array>
 
namespace tz
{
    enum class error_code
    {
        success,
        partial_success,
        precondition_failure,
        invalid_value,
        machine_unsuitable,
        engine_bug,
        driver_hazard,
        unknown_error,
        oom,
        voom,
        concurrent_usage,
        _count
    };
 
    namespace detail
    {
        constexpr std::array<const char*, static_cast<int>(error_code::_count)> error_code_strings
        {
            "success",
            "partial success",
            "precondition failure error",
            "invalid value error",
            "machine unsuitability error",
            "engine bug error",
            "driver hazard error",
            "unknown error",
            "out of CPU memory error",
            "out of GPU memory error",
            "concurrent usage error"
        };
    }
 
    constexpr const char* error_code_name(error_code ec)
    {
        return detail::error_code_strings[static_cast<int>(ec)];
    }
 
    std::string_view last_error();
    void set_last_error(std::string errmsg);
 
}
 
#endif // TOPAZ_CORE_ERROR_HPP