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authorallusive-dev <[email protected]>2023-09-19 17:46:20 +1000
committerallusive-dev <[email protected]>2023-09-19 17:46:20 +1000
commit5650d887357bf2a3fac8c5fd4f467bf8795b5fc4 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /src/meta.h
parentUpdate picom.sample.conf (diff)
downloadcompfy-5650d887357bf2a3fac8c5fd4f467bf8795b5fc4.tar.xz
compfy-5650d887357bf2a3fac8c5fd4f467bf8795b5fc4.zip
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-// SPDX-License-Identifier: MPL-2.0
-// Copyright (c) 2019, Yuxuan Shui <[email protected]>
-
-#pragma once
-
-/// Macro metaprogramming
-
-#define _APPLY1(a, ...) a(__VA_ARGS__)
-#define _APPLY2(a, ...) a(__VA_ARGS__)
-#define _APPLY3(a, ...) a(__VA_ARGS__)
-#define _APPLY4(a, ...) a(__VA_ARGS__)
-
-#define RIOTA1(x) x
-#define RIOTA2(x) RIOTA1(x##1), RIOTA1(x##0)
-#define RIOTA4(x) RIOTA2(x##1), RIOTA2(x##0)
-#define RIOTA8(x) RIOTA4(x##1), RIOTA4(x##0)
-#define RIOTA16(x) RIOTA8(x##1), RIOTA8(x##0)
-/// Generate a list containing 31, 30, ..., 0, in binary
-#define RIOTA32(x) RIOTA16(x##1), RIOTA16(x##0)
-
-#define CONCAT2(a, b) a##b
-#define CONCAT1(a, b) CONCAT2(a, b)
-#define CONCAT(a, b) CONCAT1(a, b)
-
-#define _ARGS_HEAD(head, ...) head
-#define _ARGS_SKIP4(_1, _2, _3, _4, ...) __VA_ARGS__
-#define _ARGS_SKIP8(...) _APPLY1(_ARGS_SKIP4, _ARGS_SKIP4(__VA_ARGS__))
-#define _ARGS_SKIP16(...) _APPLY2(_ARGS_SKIP8, _ARGS_SKIP8(__VA_ARGS__))
-#define _ARGS_SKIP32(...) _APPLY3(_ARGS_SKIP16, _ARGS_SKIP16(__VA_ARGS__))
-
-/// Return the 33rd argument
-#define _ARG33(...) _APPLY4(_ARGS_HEAD, _ARGS_SKIP32(__VA_ARGS__))
-
-/// Return the number of arguments passed in binary, handles at most 31 elements
-#define VA_ARGS_LENGTH(...) _ARG33(0, ##__VA_ARGS__, RIOTA32(0))
-
-#define LIST_APPLY_000000(fn, sep, ...)
-#define LIST_APPLY_000001(fn, sep, x, ...) fn(x)
-#define LIST_APPLY_000010(fn, sep, x, ...) fn(x) sep() LIST_APPLY_000001(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_000011(fn, sep, x, ...) fn(x) sep() LIST_APPLY_000010(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_000100(fn, sep, x, ...) fn(x) sep() LIST_APPLY_000011(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_000101(fn, sep, x, ...) fn(x) sep() LIST_APPLY_000100(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_000110(fn, sep, x, ...) fn(x) sep() LIST_APPLY_000101(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_000111(fn, sep, x, ...) fn(x) sep() LIST_APPLY_000110(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001000(fn, sep, x, ...) fn(x) sep() LIST_APPLY_000111(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001001(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001000(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001010(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001001(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001011(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001010(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001100(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001011(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001101(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001100(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001110(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001101(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_001111(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001110(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010000(fn, sep, x, ...) fn(x) sep() LIST_APPLY_001111(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010001(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010000(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010010(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010001(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010011(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010010(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010100(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010011(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010101(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010100(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010110(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010101(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_010111(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010110(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011000(fn, sep, x, ...) fn(x) sep() LIST_APPLY_010111(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011001(fn, sep, x, ...) fn(x) sep() LIST_APPLY_011000(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011010(fn, sep, x, ...) fn(x) sep() LIST_APPLY_011001(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011011(fn, sep, x, ...) fn(x) sep() LIST_APPLY_011010(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011100(fn, sep, x, ...) fn(x) sep() LIST_APPLY_011011(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011101(fn, sep, x, ...) fn(x) sep() LIST_APPLY_011100(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011110(fn, sep, x, ...) fn(x) sep() LIST_APPLY_011101(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_011111(fn, sep, x, ...) fn(x) sep() LIST_APPLY_011110(fn, sep, __VA_ARGS__)
-#define LIST_APPLY_(N, fn, sep, ...) CONCAT(LIST_APPLY_, N)(fn, sep, __VA_ARGS__)
-#define LIST_APPLY(fn, sep, ...) \
- LIST_APPLY_(VA_ARGS_LENGTH(__VA_ARGS__), fn, sep, __VA_ARGS__)
-
-#define SEP_COMMA() ,
-#define SEP_COLON() ;
-#define SEP_NONE()