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Adjusting type convention for raw memory. (Reviewing for articles)

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Feel like opting for u1-4.. (b1-4 not meaning byte anymore, not sure why I bothered, just bools/bits)
This commit is contained in:
ed
2026-09-03 17:14:34 -04:00
parent 2c38a73709
commit 6b3fbab387
8 changed files with 89 additions and 76 deletions
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code/duffle/memory.h
+14 -14
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@@ -23,10 +23,10 @@ FI_ void mem_bump(U4 cap, U4*R_ used, U4 amount) {
used[0] += amount;
}
FI_ U4 mem_copy (U4 dest, U4 src, U4 len) { return (U4)(__builtin_memcpy ((void*)dest, (void const*)src, len)); }
FI_ U4 mem_copy_overlapping(U4 dest, U4 src, U4 len) { return (U4)(__builtin_memmove((void*)dest, (void const*)src, len)); }
FI_ U4 mem_fill (U4 dest, U4 value, U4 len) { return (U4)(__builtin_memset ((void*)dest, (int) value, len)); }
FI_ B4 mem_zero (U4 dest, U4 len) { if(dest == 0){return false;} mem_fill(dest, 0, len); return true; }
FI_ U4 mem_copy (U1_R dest, U1_R src, U4 len) { return (U4)(__builtin_memcpy ((void*)dest, (void const*)src, len)); }
FI_ U4 mem_copy_overlapping(U1* dest, U1* src, U4 len) { return (U4)(__builtin_memmove((void*)dest, (void const*)src, len)); }
FI_ U4 mem_fill (U1_R dest, U4 value, U4 len) { return (U4)(__builtin_memset ((void*)dest, (int) value, len)); }
FI_ B4 mem_zero (U1_R dest, U4 len) { if(dest == 0){return false;} mem_fill(dest, 0, len); return true; }
#pragma region DAG
@@ -58,31 +58,30 @@ typedef Struct_(Str8) { UTF8* ptr; U4 len; };
typedef Struct_(Slice_Str8) { Str8* ptr; U4 len; };
#define slit(string_literal) (Str8){ (UTF8*) string_literal, S_(string_literal) - 1 }
typedef Struct_(Slice) { B1* ptr; U4 len; };
FI_ Slice slice_ut_(U4 ptr, U4 len) { return (Slice){(B1*)ptr, len}; }
typedef Struct_(Slice) { U1* ptr; U4 len; };
FI_ Slice slice_ut_(U1* ptr, U4 len) { return (Slice){ptr, len}; }
#define Slice_(type) Struct_(tmpl(Slice,type)) { type* ptr; U4 len; }
typedef Slice_(B1);
#define slice_assert(s) do { assert((s).ptr != 0); assert((s).len > 0); } while(0)
#define slice_end(slice) ((slice).ptr + S_slice(slice) / S_(B1))
#define slice_end(slice) ((slice).ptr + S_slice(slice))
#define S_slice(s) ((s).len * S_((s).ptr[0]))
#define slice_ut(ptr,len) slice_ut_(u4_(ptr), u4_(len))
#define slice_ut_arr(a) slice_ut_(u4_(a), S_(a))
#define slice_to_ut(s) slice_ut_(u4_((s).ptr), S_slice(s))
#define slice_ut(ptr,len) slice_ut_(C_(U1*,ptr), u4_(len))
#define slice_ut_arr(a) slice_ut_(C_(U1*,a), S_(a))
#define slice_to_ut(s) slice_ut_(C_(U1*,(s).ptr), S_slice(s))
#define slice_iter(container, iter) (T_((container).ptr) iter = (container).ptr; iter != slice_end(container); ++ iter)
#define slice_arg_from_array(type, ...) & (tmpl(Slice,type)) { .ptr = Array_decl(type,__VA_ARGS__), .len = Array_len( Array_decl(type,__VA_ARGS__)) }
#define slice_from_array(type, array) (tmpl(Slice,type)) { .ptr = array, .len = Array_len(array) }
FI_ void slice_zero_(Slice s) { slice_assert(s); mem_zero(u4_(s.ptr), s.len); }
FI_ void slice_zero_(Slice s) { slice_assert(s); mem_zero(s.ptr, s.len); }
#define slice_zero(s) slice_zero_(slice_to_ut(s))
FI_ void slice_copy_(Slice dest, Slice src) {
assert(S_slice(dest) >= S_slice(src));
slice_assert(dest);
slice_assert(src);
mem_copy(u4_(dest.ptr), u4_(src.ptr), S_slice(src));
mem_copy(dest.ptr, src.ptr, S_slice(src));
}
#define slice_copy(dest, src) do { \
static_assert(T_same(dest, src)); \
@@ -95,6 +94,7 @@ FI_ Slice slice_bump(U4_R used, U4 start, U4 len, U4 amount) {
return slice_ut(ptr, amount);
}
typedef Slice_(B1);
typedef Slice_(U1);
typedef Slice_(U4);
@@ -117,7 +117,7 @@ I_ Slice farena_push(FArena_R arena, U4 amount, Opt_farena o) {
U4 to_commit = align_pow2(desired, o.alignment ? o.alignment : MEM_ALIGNMENT_DEFAULT);
U4 ptr = arena->start + arena->used;
mem_bump(arena->capacity, & arena->used, to_commit);
return (Slice){ (B1*)ptr, to_commit };
return (Slice){ (U1*)ptr, to_commit };
}
FI_ void farena_reset (FArena_R arena) { arena->used = 0; }
FI_ void farena_rewind(FArena_R arena, U4 save_point) {