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begin sketching out live cfg mutation code, as replacement for frontend entity tree formation/mutation

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This commit is contained in:
Ryan Fleury
2024-09-03 15:20:04 -07:00
parent 06a685221a
commit c8c9c7ea27
13 changed files with 859 additions and 655 deletions
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src/base/base_strings.c
+63
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@@ -1665,6 +1665,69 @@ wrapped_lines_from_string(Arena *arena, String8 string, U64 first_line_max_width
return list;
}
////////////////////////////////
//~ rjf: Text Escaping
internal String8
escaped_from_raw_string(Arena *arena, String8 string)
{
Temp scratch = scratch_begin(&arena, 1);
String8List parts = {0};
U64 split_start_idx = 0;
for(U64 idx = 0; idx <= string.size; idx += 1)
{
U8 byte = (idx < string.size ? string.str[idx] : 0);
if(byte == 0 || byte == '\"' || byte == '\\')
{
String8 part = str8_substr(string, r1u64(split_start_idx, idx));
str8_list_push(scratch.arena, &parts, part);
switch(byte)
{
default:{}break;
case '\"':{str8_list_push(scratch.arena, &parts, str8_lit("\\\""));}break;
case '\\':{str8_list_push(scratch.arena, &parts, str8_lit("\\\\"));}break;
}
split_start_idx = idx+1;
}
}
StringJoin join = {0};
String8 result = str8_list_join(arena, &parts, &join);
scratch_end(scratch);
return result;
}
internal String8
raw_from_escaped_string(Arena *arena, String8 string)
{
Temp scratch = scratch_begin(&arena, 1);
String8List parts = {0};
U64 split_start_idx = 0;
U64 extra_advance = 0;
for(U64 idx = 0; idx <= string.size; ((idx += 1+extra_advance), extra_advance=0))
{
U8 byte = (idx < string.size ? string.str[idx] : 0);
if(byte == 0 || byte == '\\')
{
String8 part = str8_substr(string, r1u64(split_start_idx, idx));
str8_list_push(scratch.arena, &parts, part);
if(byte == '\\' && idx+1 < string.size)
{
switch(string.str[idx+1])
{
default:{}break;
case '"': {extra_advance = 1; str8_list_push(scratch.arena, &parts, str8_lit("\""));}break;
case '\\':{extra_advance = 1; str8_list_push(scratch.arena, &parts, str8_lit("\\"));}break;
}
}
split_start_idx = idx+1+extra_advance;
}
}
StringJoin join = {0};
String8 result = str8_list_join(arena, &parts, &join);
scratch_end(scratch);
return result;
}
////////////////////////////////
//~ rjf: String <-> Color