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Add custom syntax highlighter and optimize

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This commit is contained in:
Syed Daanish
2026-01-16 21:47:05 +00:00
parent 04cce25bf2
commit 1fda5bf246
77 changed files with 1487 additions and 1673 deletions
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64
src/editor/scroll.cc
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@@ -1,5 +1,4 @@
#include "editor/editor.h"
#include "editor/folds.h"
void scroll_up(Editor *editor, int32_t number) {
if (!editor || number == 0)
@@ -63,41 +62,6 @@ void scroll_up(Editor *editor, int32_t number) {
free(it);
return;
}
const Fold *fold = fold_for_line(editor->folds, line_index);
if (fold) {
while (line && line_index > fold->start) {
free(line);
line = prev_line(it, &len);
line_index--;
if (!line) {
editor->scroll = {0, 0};
free(it->buffer);
free(it);
return;
}
}
if (--number == 0) {
editor->scroll = {fold->start, 0};
free(it->buffer);
free(it);
return;
}
if (fold->start == 0) {
editor->scroll = {0, 0};
free(it->buffer);
free(it);
return;
}
line_index = fold->start - 1;
line = prev_line(it, &len);
if (!line) {
editor->scroll = {0, 0};
free(it->buffer);
free(it);
return;
}
continue;
}
if (len > 0 && line[len - 1] == '\n')
len--;
current_byte_offset = 0;
@@ -147,34 +111,6 @@ void scroll_down(Editor *editor, uint32_t number) {
uint32_t visual_seen = 0;
bool first_visual_line = true;
while (true) {
const Fold *fold = fold_for_line(editor->folds, line_index);
if (fold) {
Coord fold_coord = {fold->start, 0};
if (q_size < max_visual_lines) {
scroll_queue[(q_head + q_size) % max_visual_lines] = fold_coord;
q_size++;
} else {
scroll_queue[q_head] = fold_coord;
q_head = (q_head + 1) % max_visual_lines;
}
visual_seen++;
if (visual_seen >= number + max_visual_lines) {
editor->scroll = scroll_queue[q_head];
break;
}
uint32_t skip_until = fold->end;
while (line_index <= skip_until) {
char *line = next_line(it, nullptr);
if (!line) {
free(scroll_queue);
free(it->buffer);
free(it);
return;
}
line_index++;
}
continue;
}
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line)