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generate all length prefix array variants via macro

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This commit is contained in:
Michael Sippel 2025-03-20 16:16:41 +01:00
parent 4c7302c4a3
commit e29a5a3475
Signed by: senvas
GPG key ID: F96CF119C34B64A6
7 changed files with 175 additions and 241 deletions
morphisms/runtime/include/array
length-prefix.h

153
morphisms/runtime/include/array/length-prefix.h
View file

@ -1,70 +1,101 @@
#pragma once
#include <stdio.h>
#include <stdint.h>
/* UInt8 */
// Macro to define length-prefixed array structures and functions
#define DEFINE_LENGTH_PREFIX_ARRAY(LEN_TYPE, ITEM_TYPE) \
typedef struct { \
LEN_TYPE len; \
ITEM_TYPE items[]; \
} LengthPrefix_##LEN_TYPE##_Array_##ITEM_TYPE; \
\
static inline void length_prefix_##LEN_TYPE##_array_##ITEM_TYPE##_clear( \
LengthPrefix_##LEN_TYPE##_Array_##ITEM_TYPE *data) { \
data->len = 0; \
} \
\
static inline void length_prefix_##LEN_TYPE##_array_##ITEM_TYPE##_push( \
LengthPrefix_##LEN_TYPE##_Array_##ITEM_TYPE *data, \
ITEM_TYPE value) { \
data->items[data->len++] = value; \
} \
\
static inline int length_prefix_##LEN_TYPE##_array_##ITEM_TYPE##_reverse( \
LengthPrefix_##LEN_TYPE##_Array_##ITEM_TYPE const * restrict src, \
LengthPrefix_##LEN_TYPE##_Array_##ITEM_TYPE *restrict dst) { \
for (LEN_TYPE i = 0; i < src->len; i++) { \
dst->items[i] = src->items[src->len - 1 - i]; \
} \
dst->len = src->len; \
return 0; \
} \
\
static inline void length_prefix_##LEN_TYPE##_array_##ITEM_TYPE##_dump( \
LengthPrefix_##LEN_TYPE##_Array_##ITEM_TYPE const * data) { \
printf("Length: %llu\n", (unsigned long long) data->len); \
for (LEN_TYPE i = 0; i < data->len; i++) { \
printf("%llu ", (unsigned long long) data->items[i]); \
} \
printf("\n"); \
}
struct LengthPrefixUInt8Array {
uint64_t len;
uint8_t items[];
};
void length_prefix_uint8_array_clear(
struct LengthPrefixUInt8Array * data
);
void length_prefix_uint8_array_push(
struct LengthPrefixUInt8Array * data,
uint8_t value
);
int length_prefix_uint8_array_reverse(
struct LengthPrefixUInt8Array const * restrict src,
struct LengthPrefixUInt8Array * restrict dst
);
void length_prefix_uint8_array_dump(
struct LengthPrefixUInt8Array const * data
);
/* UInt64 */
struct LengthPrefixUInt64Array {
uint64_t len;
uint64_t items[];
};
void length_prefix_uint64_array_clear(
struct LengthPrefixUInt64Array * data
);
void length_prefix_uint64_array_push(
struct LengthPrefixUInt64Array * data,
uint64_t value
);
int length_prefix_uint64_array_reverse(
struct LengthPrefixUInt64Array const * restrict src,
struct LengthPrefixUInt64Array * restrict dst
);
void length_prefix_uint64_array_dump(
struct LengthPrefixUInt64Array const * data
);
// Define all combinations of length and item types
DEFINE_LENGTH_PREFIX_ARRAY(uint8_t, uint8_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint8_t, uint16_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint8_t, uint32_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint8_t, uint64_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint16_t, uint8_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint16_t, uint16_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint16_t, uint32_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint16_t, uint64_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint32_t, uint8_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint32_t, uint16_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint32_t, uint32_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint32_t, uint64_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint64_t, uint8_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint64_t, uint16_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint64_t, uint32_t)
DEFINE_LENGTH_PREFIX_ARRAY(uint64_t, uint64_t)
/*
* Map
*/
int length_prefix_array_map_64_to_64(
int (*f) ( uint64_t const * restrict, uint64_t * restrict ),
struct LengthPrefixUInt64Array const * restrict src,
struct LengthPrefixUInt64Array * restrict dst
);
int length_prefix_array_map_8_to_64(
int (*f) ( uint8_t const * restrict, uint64_t * restrict ),
struct LengthPrefixUInt8Array const * restrict src,
struct LengthPrefixUInt64Array * restrict dst
);
int length_prefix_array_map_64_to_8(
int (*f) ( uint64_t const * restrict, uint8_t * restrict ),
struct LengthPrefixUInt64Array const * restrict src,
struct LengthPrefixUInt8Array * restrict dst
);
int length_prefix_array_map_8_to_8(
int (*f) ( uint8_t const * restrict, uint8_t * restrict ),
struct LengthPrefixUInt8Array const * restrict src,
struct LengthPrefixUInt8Array * restrict dst
);
// Macro to define map function between different item types
#define DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, SRC_ITEM_TYPE, DST_ITEM_TYPE) \
static inline int length_prefix_##LEN_TYPE##_array_map_##SRC_ITEM_TYPE##_to_##DST_ITEM_TYPE( \
int (*f)(SRC_ITEM_TYPE const * restrict, DST_ITEM_TYPE * restrict), \
LengthPrefix_##LEN_TYPE##_Array_##SRC_ITEM_TYPE const * restrict src, \
LengthPrefix_##LEN_TYPE##_Array_##DST_ITEM_TYPE * restrict dst) \
{ \
if (dst->len < src->len) return -1; /* Ensure enough space */ \
for (LEN_TYPE i = 0; i < src->len; i++) { \
if (f(&src->items[i], &dst->items[i]) != 0) return -1; \
} \
dst->len = src->len; \
return 0; \
}
#define DEFINE_ALL_MAPS(LEN_TYPE) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint8_t, uint8_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint8_t, uint16_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint8_t, uint32_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint8_t, uint64_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint16_t, uint8_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint16_t, uint16_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint16_t, uint32_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint16_t, uint64_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint32_t, uint8_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint32_t, uint16_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint32_t, uint32_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint32_t, uint64_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint64_t, uint8_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint64_t, uint16_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint64_t, uint32_t) \
DEFINE_LENGTH_PREFIX_ARRAY_MAP(LEN_TYPE, uint64_t, uint64_t)
DEFINE_ALL_MAPS(uint8_t)
DEFINE_ALL_MAPS(uint16_t)
DEFINE_ALL_MAPS(uint32_t)
DEFINE_ALL_MAPS(uint64_t)