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Shift spans between highlights properly

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This commit is contained in:
Syed Daanish
2025-12-08 17:02:43 +00:00
parent c121fa9c15
commit 2121339e67
4 changed files with 76 additions and 29 deletions
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29
src/ts.cc
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@@ -1,6 +1,7 @@
#include "../include/ts.h"
#include "../include/editor.h"
#include "../include/rope.h"
#include <algorithm>
#include <cstdint>
#include <fstream>
#include <regex>
@@ -177,10 +178,10 @@ void ts_collect_spans(Editor *editor) {
.decode = nullptr,
};
TSTree *tree, *copy = nullptr;
std::unique_lock lock_0(editor->knot_mtx);
std::unique_lock knot_mtx(editor->knot_mtx);
if (editor->tree)
copy = ts_tree_copy(editor->tree);
lock_0.unlock();
knot_mtx.unlock();
if (!running)
return;
std::vector<TSInputEdit> edits;
@@ -189,21 +190,17 @@ void ts_collect_spans(Editor *editor) {
while (editor->edit_queue.pop(edit)) {
edits.push_back(edit);
ts_tree_edit(copy, &edits.back());
}
};
editor->spans.mid_parse = true;
tree = ts_parser_parse(editor->parser, copy, tsinput);
if (copy)
ts_tree_delete(copy);
while (editor->edit_queue.pop(edit)) {
edits.push_back(edit);
ts_tree_edit(tree, &edits.back());
}
lock_0.lock();
knot_mtx.lock();
if (editor->tree)
ts_tree_delete(editor->tree);
editor->tree = tree;
copy = ts_tree_copy(tree);
lock_0.unlock();
std::shared_lock lock_1(editor->span_mtx);
knot_mtx.unlock();
TSQueryCursor *cursor = ts_query_cursor_new();
ts_query_cursor_exec(cursor, editor->query, ts_tree_root_node(copy));
std::vector<Span> new_spans;
@@ -232,12 +229,16 @@ void ts_collect_spans(Editor *editor) {
free(load.prev);
return;
}
lock_1.unlock();
std::sort(new_spans.begin(), new_spans.end());
std::unique_lock lock_2(editor->span_mtx);
editor->spans.swap(new_spans);
lock_2.unlock();
std::unique_lock span_mtx(editor->spans.mtx);
editor->spans.mid_parse = false;
editor->spans.spans.swap(new_spans);
span_mtx.unlock();
std::pair<uint32_t, int64_t> span_edit;
while (editor->spans.edits.pop(span_edit))
editor->spans.apply(span_edit.first, span_edit.second);
ts_query_cursor_delete(cursor);
ts_tree_delete(copy);
if (load.prev)
free(load.prev);
}