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merge master 31/07/25

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AlexOn1ine
2025-08-01 12:18:11 +02:00
parent dc1abb72dc 01105171a3
commit bc73f4654b
69 changed files with 733 additions and 813 deletions
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20
include/metaprogram.h
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@@ -45,26 +45,26 @@
#define EXCEPT_3(a, ...) __VA_OPT__(EXCEPT_2(__VA_ARGS__))
#define EXCEPT_4(a, ...) __VA_OPT__(EXCEPT_3(__VA_ARGS__))
/* 'UNPACK (x, y, z)' expands to 'x, y, z'.
/* 'UNPACK_META (x, y, z)' expands to 'x, y, z'.
* Useful for passing arguments which may contain commas into a macro. */
#define UNPACK(...) __VA_ARGS__
#define UNPACK_META(...) __VA_ARGS__
/* Updated version that can extract arguments from brackets as well.
/* Updated version that can extract arguments from brackets as well.
* Examples:
*
*
* UNPACK_B(a, b) => a, b
* UNPACK_B((a, b)) => a, b
* UNPACK_B((a)) => a
*
*
* The simple UNPACK is used for extracting non-bracketed arguments.
* */
#define UNPACK_EXTRA(...) IF_YOU_SEE_ME_SOMETHING_IS_WRONG, __VA_ARGS__
#define UNPACK_B(a) INVOKE(UNPACK_B_, a, UNPACK_EXTRA a)
#define UNPACK_B_(a, b, ...) __VA_OPT__(UNPACK)a
#define UNPACK_B(a) INVOKE_WITH_(UNPACK_B_, a, UNPACK_EXTRA a)
#define UNPACK_B_(a, b, ...) __VA_OPT__(UNPACK_META)a
/* Expands to 'macro(...args, ...)'. */
#define INVOKE_WITH(macro, args, ...) INVOKE(macro, UNPACK args __VA_OPT__(, __VA_ARGS__))
#define INVOKE(macro, ...) macro(__VA_ARGS__)
#define INVOKE_WITH(macro, args, ...) INVOKE_WITH_(macro, UNPACK_META args __VA_OPT__(, __VA_ARGS__))
#define INVOKE_WITH_(macro, ...) macro(__VA_ARGS__)
/* Same as INVOKE_WITH but uses UNPACK_B to unpack arguments and only applies macro to args if there are any. */
#define INVOKE_WITH_B(macro, args, ...) INVOKE_B(macro, UNPACK_B(args) __VA_OPT__(, __VA_ARGS__))
@@ -178,7 +178,7 @@ store a number (max: 32). Sample: https://godbolt.org/z/xb4KdPMhT */
/* Will try and compress a set bit (or up to three sequential bits) into a single byte
Input must be of the form (upper << lower) where upper can be up to 7, lower up to 31 */
#define COMPRESS_BITS(_val) COMPRESS_BITS_STEP_2 _val
#define COMPRESS_BITS_STEP_2(_unpacked) INVOKE(COMPRESS_BITS_STEP_3, COMPRESS_BITS_## _unpacked)
#define COMPRESS_BITS_STEP_2(_unpacked) INVOKE_WITH_(COMPRESS_BITS_STEP_3, COMPRESS_BITS_## _unpacked)
#define COMPRESS_BITS_STEP_3(upper, lower) (((upper % 8) << 5) + (BIT_INDEX(lower)))
/* Will read a compressed bit stored by COMPRESS_BIT into a single byte */