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fix(parser): nest error children during recovery

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Tim Vermeulen 2026-07-28 21:16:57 +02:00 committed by Will Lillis
parent 869638f6cf
commit f30ee2b300
1 changed files with 9 additions and 2 deletions
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11
lib/src/parser.c
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@ -1250,10 +1250,17 @@ static bool ts_parser__recover_to_state(
Subtree error_tree = *array_get(&error_trees, 0);
uint32_t error_child_count = ts_subtree_child_count(error_tree);
if (error_child_count > 0) {
array_splice(&slice.subtrees, 0, 0, error_child_count, ts_subtree_children(error_tree));
SubtreeArray nested = array_new();
array_reserve(&nested, error_child_count);
for (unsigned j = 0; j < error_child_count; j++) {
ts_subtree_retain(*array_get(&slice.subtrees, j));
Subtree child = ts_subtree_children(error_tree)[j];
ts_subtree_retain(child);
array_push(&nested, child);
}
Subtree nested_error = ts_subtree_from_mut(ts_subtree_new_node(
ts_builtin_sym_error_repeat, &nested, 0, self->language
));
array_insert(&slice.subtrees, 0, nested_error);
}
ts_subtree_array_delete(&self->tree_pool, &error_trees);
}