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fix(lib): do not access the alias sequence for the end subtree in ts_subtree_summarize_children

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Amaan Qureshi 2025-04-28 18:17:47 -04:00
parent e057299b0d
commit 21c658a12c
1 changed files with 6 additions and 1 deletions
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7
lib/src/subtree.c
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@ -407,7 +407,12 @@ void ts_subtree_summarize_children(
self.ptr->dynamic_precedence += ts_subtree_dynamic_precedence(child);
self.ptr->visible_descendant_count += ts_subtree_visible_descendant_count(child);
if (alias_sequence && alias_sequence[structural_index] != 0 && !ts_subtree_extra(child)) {
if (
!ts_subtree_extra(child) &&
ts_subtree_symbol(child) != 0 &&
alias_sequence &&
alias_sequence[structural_index] != 0
) {
self.ptr->visible_descendant_count++;
self.ptr->visible_child_count++;
if (ts_language_symbol_metadata(language, alias_sequence[structural_index]).named) {