#ifndef _TILE_BASE_INTERNAL_MACRO_H
#define _TILE_BASE_INTERNAL_MACRO_H

#pragma once

#if defined(__GNUC__) || defined(__clang__)
#define TILE_NODISCARD __attribute__((warn_unused_result))
#else
#define TILE_NODISCARD
#endif

#define TILE_INTERNAL_PP_CAT(X, Y) TILE_INTERNAL_DETAIL_PP_CAT_IMPL(X, Y)

#define TILE_INTERNAL_PP_STRINGIZE(X) TILE_INTERNAL_PP_STRINGIZE_IMPL(X)

#define TILE_INTERNAL_PP_COUNT(...)                                                                                    \
    TILE_INTERNAL_PP_COUNT_IMPL(                                                                                       \
        __VA_ARGS__, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41,   \
        40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14,    \
        13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)

// TILE_INTERNAL_PP_SEQ_AT(0, (a, b, c)) => a
// TILE_INTERNAL_PP_SEQ_AT(1, (a, b, c)) => b
#define TILE_INTERNAL_PP_SEQ_AT(Index, Sequence) TILE_INTERNAL_PP_SEQ_AT_##Index##_IMPL Sequence

// TILE_INTERNAL_PP_FOR_EACH(Callback, Context, a, b, c) =>
// Callback(a, Context) Callback(b, Context) Callback(c, Context)
#define TILE_INTERNAL_PP_FOR_EACH(Callback, Context, ...)                                                              \
    TILE_INTERNAL_PP_CAT(TILE_INTERNAL_PP_FOR_EACH_, TILE_INTERNAL_PP_COUNT(__VA_ARGS__))                              \
    (Callback, Context, __VA_ARGS__)

#define TILE_INTERNAL_DETAIL_PP_CAT_IMPL_2(X, Y) X##Y
#define TILE_INTERNAL_DETAIL_PP_CAT_IMPL(X, Y) TILE_INTERNAL_DETAIL_PP_CAT_IMPL_2(X, Y)

#define TILE_INTERNAL_PP_STRINGIZE_IMPL(X) #X
#define TILE_INTERNAL_PP_COUNT_IMPL(                                                                                   \
    _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, \
    _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, \
    _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, Count, ...)                        \
    Count

#endif// _TILE_BASE_INTERNAL_MACRO_H
