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preemptive adjacent pdb conversion on initial module load; tighten up c/c++ lexer for smaller string lexes

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This commit is contained in:
Ryan Fleury
2024-10-28 13:52:36 -07:00
parent 100d3523d3
commit 41cddf96b8
4 changed files with 91 additions and 21 deletions
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src/font_cache/font_cache.c
+18 -16
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@@ -575,46 +575,48 @@ fnt_push_run_from_string(Arena *arena, FNT_Tag tag, F32 size, F32 base_align_px,
FNT_Hash2StyleRasterCacheNode *hash2style_node = fnt_hash2style_from_tag_size_flags(tag, size, flags);
//- rjf: decode string & produce run pieces
B32 first = 1;
FNT_PieceChunkList piece_chunks = {0};
Vec2F32 dim = {0};
B32 font_handle_mapped_on_miss = 0;
FP_Handle font_handle = {0};
U64 piece_substring_start_idx = 0;
for(U64 idx = 0; idx < string.size; first = 0)
U64 piece_substring_end_idx = 0;
for(U64 idx = 0; idx <= string.size;)
{
//- rjf: decode next codepoint & get piece substring, or continuation rule
String8 piece_substring;
U8 byte = (idx < string.size ? string.str[idx] : 0);
B32 need_another_codepoint = 0;
switch(utf8_class[string.str[idx]>>3])
if(byte == 0)
{
idx += 1;
}
else switch(utf8_class[byte>>3])
{
case 1:
{
piece_substring.str = &string.str[idx];
piece_substring.size = 1;
idx += 1;
piece_substring_end_idx += 1;
need_another_codepoint = 0;
}break;
default:
{
UnicodeDecode decode = utf8_decode(string.str+idx, string.size-idx);
idx += decode.inc;
if(decode.inc == 0) { break; }
piece_substring.str = string.str + piece_substring_start_idx;
piece_substring.size = decode.inc;
// NOTE(rjf): assuming 1 codepoint per piece for now.
piece_substring_end_idx += decode.inc;
need_another_codepoint = 0;
}break;
}
//- rjf: need another codepoint? -> continue
if(need_another_codepoint)
//- rjf: need another codepoint, or have no substring? -> continue
if(need_another_codepoint || piece_substring_end_idx == piece_substring_start_idx)
{
continue;
}
//- rjf: do not need another codepoint? -> bump piece start idx
{
piece_substring_start_idx = idx;
}
//- rjf: do not need another codepoint? -> grab substring, bump piece start idx
String8 piece_substring = str8_substr(string, r1u64(piece_substring_start_idx, piece_substring_end_idx));
piece_substring_start_idx = idx;
piece_substring_end_idx = idx;
//- rjf: determine if this piece is a tab - if so, use space info to draw
B32 is_tab = (piece_substring.size == 1 && piece_substring.str[0] == '\t');