Files
perfaware/code/duffle/tables.h
T
2026-08-06 17:08:56 -04:00

40 lines
1.1 KiB
C

#ifdef INTELLISENSE_DIRECTIVES
# pragma once
# include "dsl.h"
# include "memory.h"
# include "hashing.h"
#endif
#pragma region Key Table Linear (KTL)
enum { KT_SLot_value = S_(U8), };
#define KTL_Slot_(type) Struct_(tmpl(KTL_Slot,type)) { \
U8 key; \
type value; \
}
#define KTL_(type) Slice_(tmpl(KTL_Slot,type)); \
typedef tmpl(Slice_KTL_Slot,type) tmpl(KTL,type)
typedef Slice KTL_Byte;
typedef Struct_(KTL_Meta) {
U8 slot_size;
U8 type_width;
};
typedef Array_(Str8, 2);
typedef Slice_(A2_Str8);
typedef KTL_Slot_(Str8);
typedef KTL_(Str8);
FI_ void ktl_populate_slice_a2_str8(KTL_Str8* kt, Slice_A2_Str8 values) {
assert(kt != null); slice_assert(* kt);
if (values.len == 0) return;
assert(kt->len == values.len);
for index_iter(U4, id, 0, <, values.len) {
hash64_fnv1a(& kt->ptr[id].key, slice_to_ut(values.ptr[id][0]), 0);
mem_copy(u8_(& kt->ptr[id].value), u8_(& values.ptr[id][1]), S_(Str8));
}
}
#define ktl_str8_key(str) hash64_fnv1a_ret(slice_to_ut(str8(str)), 0)
#define ktl_str8_from_arr(arr) (KTL_Str8){arr, array_len(arr)}
#pragma endregion KTL