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feat: add API for editing points and ranges

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Amaan Qureshi 2025-09-18 23:28:34 -04:00 • committed by Amaan Qureshi
parent 1a0868c487
commit a69367f739
9 changed files with 209 additions and 39 deletions
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32
lib/src/tree.c
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@ -54,37 +54,7 @@ const TSLanguage *ts_tree_language(const TSTree *self) {
void ts_tree_edit(TSTree *self, const TSInputEdit *edit) {
for (unsigned i = 0; i < self->included_range_count; i++) {
TSRange *range = &self->included_ranges[i];
if (range->end_byte >= edit->old_end_byte) {
if (range->end_byte != UINT32_MAX) {
range->end_byte = edit->new_end_byte + (range->end_byte - edit->old_end_byte);
range->end_point = point_add(
edit->new_end_point,
point_sub(range->end_point, edit->old_end_point)
);
if (range->end_byte < edit->new_end_byte) {
range->end_byte = UINT32_MAX;
range->end_point = POINT_MAX;
}
}
} else if (range->end_byte > edit->start_byte) {
range->end_byte = edit->start_byte;
range->end_point = edit->start_point;
}
if (range->start_byte >= edit->old_end_byte) {
range->start_byte = edit->new_end_byte + (range->start_byte - edit->old_end_byte);
range->start_point = point_add(
edit->new_end_point,
point_sub(range->start_point, edit->old_end_point)
);
if (range->start_byte < edit->new_end_byte) {
range->start_byte = UINT32_MAX;
range->start_point = POINT_MAX;
}
} else if (range->start_byte > edit->start_byte) {
range->start_byte = edit->start_byte;
range->start_point = edit->start_point;
}
ts_range_edit(&self->included_ranges[i], edit);
}
SubtreePool pool = ts_subtree_pool_new(0);