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fix text search fwds/bwds

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This commit is contained in:
Ryan Fleury
2026-07-27 14:47:39 -07:00
parent aa94eb6901
commit 62241f0d55
1 changed files with 61 additions and 36 deletions
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src/raddbg/raddbg_views.c
+61 -36
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@@ -767,69 +767,94 @@ rd_code_view_build(Arena *arena, RD_CodeViewState *cv, RD_CodeViewBuildFlags fla
if(cv->find_text_fwd.size != 0)
{
String8 needle = cv->find_text_fwd;
B32 done = 0;
for(U64 off = rd_regs()->cursor+1; !done && off < text_patched.size; off += search_chunk_size)
Rng1U64 ranges[] =
{
Temp scratch = scratch_begin(&arena, 1);
String8 data = memory_map_data_from_range(scratch.arena, &text_patched.memory_map, r1u64(off, off+search_chunk_size));
U64 needle_pos = str8_find_needle(data, 0, needle, StringMatchFlag_CaseInsensitive);
if(needle_pos < data.size)
r1u64(rd_regs()->cursor+1, text_patched.size),
r1u64(0, rd_regs()->cursor+1),
};
B32 found = 0;
for EachElement(range_idx, ranges)
{
for(U64 off = ranges[range_idx].min; off < ranges[range_idx].max; off += search_chunk_size)
{
done = 1;
rd_regs()->mark = off+needle_pos;
rd_regs()->cursor = rd_regs()->mark + needle.size;
Temp scratch = scratch_begin(&arena, 1);
String8 data = memory_map_data_from_range(scratch.arena, &text_patched.memory_map, r1u64(off, off+search_chunk_size));
U64 hint_needle_pos = str8_find_needle(data, 0, needle, StringMatchFlag_CaseInsensitive|StringMatchFlag_RightSideSloppy);
if(hint_needle_pos < data.size)
{
String8 candidate = memory_map_data_from_range(scratch.arena, &text_patched.memory_map, r1u64(off+hint_needle_pos, off+hint_needle_pos+needle.size));
if(str8_match(candidate, needle, StringMatchFlag_CaseInsensitive))
{
found = 1;
rd_regs()->mark = off+hint_needle_pos;
rd_regs()->cursor = rd_regs()->mark + needle.size;
}
}
scratch_end(scratch);
if(found) { goto done_fwd; }
}
scratch_end(scratch);
}
if(!done)
done_fwd:;
if(!found)
{
log_user_errorf("Could not find `%S`", needle);
}
cv->center_cursor = done;
cv->center_cursor = found;
}
//- rjf: find text (backward)
if(cv->find_text_bwd.size != 0 && rd_regs()->cursor > 0)
{
String8 needle = cv->find_text_bwd;
B32 done = 0;
for(U64 off = rd_regs()->cursor-1, next_off = 0; !done; off = next_off)
Rng1U64 ranges[] =
{
U64 advance = Min(search_chunk_size, off);
next_off = off - advance;
Temp scratch = scratch_begin(&arena, 1);
String8 data = memory_map_data_from_range(scratch.arena, &text_patched.memory_map, r1u64(off, off+search_chunk_size));
U64 needle_pos = 0;
r1u64(0, Min(rd_regs()->cursor, rd_regs()->mark)),
r1u64(rd_regs()->cursor+1, text_patched.size),
};
B32 found = 0;
for EachElement(range_idx, ranges)
{
U64 start_off = ranges[range_idx].max + (search_chunk_size-1);
start_off -= start_off%search_chunk_size;
start_off -= search_chunk_size;
for(U64 off = start_off;; off -= search_chunk_size)
{
U64 start_search_pos = 0;
for(;;)
Temp scratch = scratch_begin(&arena, 1);
String8 data = memory_map_data_from_range(scratch.arena, &text_patched.memory_map, r1u64(off, Min(off+search_chunk_size, ranges[range_idx].max)));
U64 hint_needle_pos = str8_find_needle(data, 0, needle, StringMatchFlag_CaseInsensitive|StringMatchFlag_RightSideSloppy);
for(;hint_needle_pos < data.size;)
{
U64 next_needle_pos = str8_find_needle(data, start_search_pos, needle, StringMatchFlag_CaseInsensitive);
if(next_needle_pos < data.size)
U64 next_hint_needle_pos = str8_find_needle(data, hint_needle_pos+1, needle, StringMatchFlag_CaseInsensitive|StringMatchFlag_RightSideSloppy);
if(next_hint_needle_pos < data.size)
{
needle_pos = next_needle_pos;
hint_needle_pos = next_hint_needle_pos;
}
else
{
needle_pos = data.size;
break;
}
start_search_pos = next_needle_pos+1;
}
if(hint_needle_pos < data.size)
{
String8 candidate = memory_map_data_from_range(scratch.arena, &text_patched.memory_map, r1u64(off+hint_needle_pos, off+hint_needle_pos+needle.size));
if(str8_match(candidate, needle, StringMatchFlag_CaseInsensitive))
{
found = 1;
rd_regs()->mark = off+hint_needle_pos;
rd_regs()->cursor = rd_regs()->mark + needle.size;
}
}
scratch_end(scratch);
if(found) { goto done_bwd; }
if(off == 0) { break; }
}
if(needle_pos < data.size)
{
done = 1;
rd_regs()->mark = off+needle_pos;
rd_regs()->cursor = rd_regs()->mark + needle.size;
}
scratch_end(scratch);
}
if(!done)
done_bwd:;
if(!found)
{
log_user_errorf("Could not find `%S`", needle);
}
cv->center_cursor = done;
cv->center_cursor = found;
}
MemoryZeroStruct(&cv->find_text_fwd);
@@ -2568,7 +2593,7 @@ RD_VIEW_UI_FUNCTION_DEF(text)
ui_spacer(ui_em(1.5f, 1));
}
Rng1U64 cursor_line_range = txt_range_from_line_num(&patched.line_map, cursor_line_num);
ui_labelf("Line: %I64d, Column: %I64d", cursor_line_num, 1 + rd_regs()->cursor - cursor_line_range.min);
ui_labelf("Line: %I64d, Column: %I64d, Offset: 0x%I64x", cursor_line_num, 1 + rd_regs()->cursor - cursor_line_range.min, rd_regs()->cursor);
ui_spacer(ui_pct(1, 0));
ui_labelf("(read only)");
ui_labelf("%s",