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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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77
src/editor/worker.cc
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@@ -1,7 +1,4 @@
#include "editor/editor.h"
#include "ts/ts.h"
static Highlight HL_UNDERLINE = {0, 0, CF_UNDERLINE, UINT8_MAX - 1};
void hover_diagnostic(Editor *editor) {
std::shared_lock lock(editor->v_mtx);
@@ -30,78 +27,8 @@ void hover_diagnostic(Editor *editor) {
void editor_worker(Editor *editor) {
if (!editor || !editor->root)
return;
if (editor->root->char_count > (1024 * 128))
return;
if (editor->ts.query_file != "" && !editor->ts.query)
editor->ts.query = load_query(editor->ts.query_file.c_str(), &editor->ts);
if (editor->ts.parser && editor->ts.query)
ts_collect_spans(editor);
if (editor->root->char_count > (1024 * 32))
return;
uint32_t prev_col, next_col;
word_boundaries_exclusive(editor, editor->cursor, &prev_col, &next_col);
std::unique_lock lock(editor->word_spans.mtx);
editor->word_spans.spans.clear();
lock.unlock();
if (next_col - prev_col > 0 && next_col - prev_col < 256 - 4) {
std::shared_lock lockk(editor->knot_mtx);
uint32_t offset = line_to_byte(editor->root, editor->cursor.row, nullptr);
char *word = read(editor->root, offset + prev_col, next_col - prev_col);
lockk.unlock();
if (word) {
char buf[256];
snprintf(buf, sizeof(buf), "\\b%s\\b", word);
std::shared_lock lockk(editor->knot_mtx);
std::vector<std::pair<size_t, size_t>> results =
search_rope_dfa(editor->root, buf);
lockk.unlock();
std::unique_lock lock2(editor->word_spans.mtx);
editor->word_spans.spans.reserve(results.size());
for (const auto &match : results) {
Span s;
s.start = match.first;
s.end = match.first + match.second;
s.hl = &HL_UNDERLINE;
editor->word_spans.spans.push_back(s);
}
free(word);
lock2.unlock();
}
}
static uint16_t limit = 150;
static Highlight *hl_s = (Highlight *)calloc(limit, sizeof(Highlight));
if (!hl_s)
exit(ENOMEM);
std::shared_lock lockk(editor->knot_mtx);
std::vector<Match> results =
search_rope(editor->root, "(?:0x|#)[0-9a-fA-F]{6,8}\\b");
if (results.size() > limit) {
limit = results.size() + 50;
free(hl_s);
hl_s = (Highlight *)calloc(limit, sizeof(Highlight));
if (!hl_s)
exit(ENOMEM);
}
lockk.unlock();
std::unique_lock lock2(editor->hex_color_spans.mtx);
editor->hex_color_spans.spans.clear();
editor->hex_color_spans.spans.reserve(results.size());
for (size_t i = 0; i < results.size(); ++i) {
Span s;
s.start = results[i].start;
s.end = results[i].end;
int x = results[i].text[0] == '#' ? 1 : 2;
uint32_t bg = HEX(results[i].text.substr(x, 6));
uint8_t r = bg >> 16;
uint8_t g = (bg >> 8) & 0xFF;
uint8_t b = bg & 0xFF;
double luminance = 0.299 * r + 0.587 * g + 0.114 * b;
uint32_t fg = (luminance > 128) ? 0x010101 : 0xFEFEFE;
hl_s[i] = {fg, bg, CF_BOLD, UINT8_MAX};
s.hl = &hl_s[i];
editor->hex_color_spans.spans.push_back(s);
}
lock2.unlock();
if (editor->parser)
editor->parser->work();
hover_diagnostic(editor);
if (editor->completion.active && editor->completion.hover_dirty) {
editor->completion.hover.render_first();