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decoder table generator (metaprogram) works... will test rest tmrw.

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ed
2026-09-05 00:03:12 -04:00
parent 6a456097ba
commit 28e6e38c92
8 changed files with 390 additions and 214 deletions
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code/duffle/text.h
+7 -4
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@@ -196,8 +196,8 @@ typedef Struct_(Str8Gen) { UTF8* ptr; U8 cap, len; };
FI_ Slice str8gen_buf(Str8Gen_R gen) { return (Slice){u8_(gen->ptr) + gen->len, gen->cap - gen->len}; }
FI_ void str8gen_append_str8(Str8Gen_R gen, Str8 str) { assert(gen != nullptr);
mem_bump_u8(u8_(gen->ptr), gen->cap, & gen->len, str.len);
U8 ptr = u8_(gen->ptr) + gen->len;
mem_bump_u8(u8_(gen->ptr), gen->cap, & gen->len, str.len);
mem_copy(ptr, u8_(str.ptr), str.len);
}
FI_ void str8gen_append_fmt(Str8Gen_R gen, Str8 fmt, KTL_Str8 tbl) {
@@ -216,8 +216,9 @@ typedef Str16 Slice_UTF16;
internal Str16
str16_from_8(FArena* arena, Str8 in) {
Str16 result = {0}; if (in.len) {
U8 cap = in.len * 2;
Slice_U2 str = farena_push_array(arena, U2, cap + 1);
U8 pre_pos = farena_save(arena[0]);
U8 cap = in.len * 2;
Slice_U2 str = farena_push_array(arena, U2, cap + 1);
U1* ptr = in.ptr;
U1* opl = ptr + in.len;
U8 size = 0;
@@ -227,7 +228,9 @@ str16_from_8(FArena* arena, Str8 in) {
consume = utf8_decode(ptr, opl - ptr);
size += utf16_encode(str.ptr + size, consume.codepoint);
}
str.ptr[size] = 0; farena_rewind(arena, (cap - size) * 2);
str.ptr[size] = 0;
U8 committed = align_pow2((size + 1) * S_(U2), MEM_ALIGNMENT_DEFAULT);
farena_rewind(arena, pre_pos + committed);
result = str16(C_(UTF16*, str.ptr), size);
}
return result;