config.hpp

/*
 * mstd - Maipa's Standard Library
 *
 * Licensed under the BSD 3-Clause License with Attribution Requirement.
 * See the LICENSE file for details: https://github.com/MAIPA01/mstd/blob/main/LICENSE
 *
 * Copyright (c) 2025, Patryk Antosik (MAIPA01)
 */
 
#pragma once
#ifndef _MSTD_CONFIG_HPP
    #define _MSTD_CONFIG_HPP
 
    #pragma region VERSION
    #define MSTD_VERSION_MAJOR 1
    #define MSTD_VERSION_MINOR 5
    #define MSTD_VERSION_PATCH 6
 
    #define _MSTD_STRINGIFY_HELPER(x) #x
 
    #define _MSTD_VERSION_TO_STRING(major, minor, patch)
        _MSTD_STRINGIFY_HELPER(major) "." _MSTD_STRINGIFY_HELPER(minor) "." _MSTD_STRINGIFY_HELPER(patch)
    #define _MSTD_VERSION_TO_INT(major, minor, patch) (major * 100 + minor * 10 + patch)
 
    #define MSTD_VERSION_STRING _MSTD_VERSION_TO_STRING(MSTD_VERSION_MAJOR, MSTD_VERSION_MINOR, MSTD_VERSION_PATCH)
    #define MSTD_VERSION_INT    _MSTD_VERSION_TO_INT(MSTD_VERSION_MAJOR, MSTD_VERSION_MINOR, MSTD_VERSION_PATCH)
    #define MSTD_VERSION        MSTD_VERSION_STRING
    #pragma endregion
 
    #pragma region LAST_UPDATE
    #define MSTD_LAST_UPDATE_DAY   19
    #define MSTD_LAST_UPDATE_MONTH 05
    #define MSTD_LAST_UPDATE_YEAR  2026
 
    #define _MSTD_LAST_UPDATE_DATE_HELPER(day, month, year)
        _MSTD_STRINGIFY_HELPER(day) "." _MSTD_STRINGIFY_HELPER(month) "." _MSTD_STRINGIFY_HELPER(year)
 
    #define MSTD_LAST_UPDATE_DATE
        _MSTD_LAST_UPDATE_DATE_HELPER(MSTD_LAST_UPDATE_DAY, MSTD_LAST_UPDATE_MONTH, MSTD_LAST_UPDATE_YEAR)
    #pragma endregion
 
    #pragma region VERSION_CHECKS
    #ifndef _HAS_CXX17
    // clang-format off
        #define _MSTD_HAS_CXX17 __cplusplus >= 201703l
    // clang-format on
    #else
        #define _MSTD_HAS_CXX17 _HAS_CXX17
    #endif
 
    #ifndef MSTD_ENABLE_CXX20
        #define _MSTD_HAS_CXX20 0
    #elif !defined(_HAS_CXX20)
    // clang-format off
        #define _MSTD_HAS_CXX20 (__cplusplus >= 202002l)
    // clang-format on
    #else
        #define _MSTD_HAS_CXX20 _HAS_CXX20
    #endif
    #pragma endregion
 
    #pragma region PRAGMA_MESSAGES
    #define _MSTD_STRINGIZE_(S) #S
    #define _MSTD_STRINGIZE(S)  _MSTD_STRINGIZE_(S)
 
    #define _MSTD_PRAGMA(PRAGMA)          _Pragma(#PRAGMA)
    #define _MSTD_PRAGMA_MESSAGE(MESSAGE) _MSTD_PRAGMA(message(MESSAGE))
    #define _MSTD_MESSAGE(MESSAGE)        _MSTD_PRAGMA_MESSAGE(__FILE__ "(" _MSTD_STRINGIZE(__LINE__) "): " MESSAGE)
 
    #define _MSTD_WARNING(MESSAGE) _MSTD_MESSAGE("warning: " MESSAGE)
    #define _MSTD_ERROR(MESSAGE)   static_assert(false, "error: " MESSAGE)
    #pragma endregion
 
    #pragma region VERSION_DEPENDENT
    #if _MSTD_HAS_CXX17
        #define _MSTD_CONSTEXPR17 constexpr
    #else
        #define _MSTD_CONSTEXPR17
    #endif
 
    #if _MSTD_HAS_CXX20
        #define _MSTD_TYPENAME17
        #define _MSTD_INLINE17
        #define _MSTD_CONSTEXPR20                     constexpr
        #define _MSTD_RETURN_VALUE_IF(condition, ...) __VA_ARGS__
        #define _MSTD_REQUIRES(condition)             requires (condition)
        #define _MSTD_ENABLE_IF_TEMPLATE(class_name, condition)
    #else
        #define _MSTD_TYPENAME17 typename
        #define _MSTD_INLINE17   inline
        #define _MSTD_CONSTEXPR20
        #define _MSTD_RETURN_VALUE_IF(condition, ...) typename std::enable_if_t<(condition), __VA_ARGS__>
        #define _MSTD_REQUIRES(condition)
        #define _MSTD_ENABLE_IF_TEMPLATE(class_name, condition)
            template<class class_name, std::enable_if_t<(condition), bool> = true>
    #endif
    #pragma endregion
 
#endif