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fix(lib): correct extra node creation from non-zero root-alias cursors

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This commit is contained in:
Amaan Qureshi 2024-08-30 22:46:03 -04:00
parent 4387e44b98
commit ee06325f67
2 changed files with 30 additions and 2 deletions
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5
lib/src/tree_cursor.c
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@ -475,8 +475,9 @@ uint32_t ts_tree_cursor_current_descendant_index(const TSTreeCursor *_self) {
TSNode ts_tree_cursor_current_node(const TSTreeCursor *_self) {
const TreeCursor *self = (const TreeCursor *)_self;
TreeCursorEntry *last_entry = array_back(&self->stack);
TSSymbol alias_symbol = self->root_alias_symbol;
if (self->stack.size > 1 && !ts_subtree_extra(*last_entry->subtree)) {
bool is_extra = ts_subtree_extra(*last_entry->subtree);
TSSymbol alias_symbol = is_extra ? 0 : self->root_alias_symbol;
if (self->stack.size > 1 && !is_extra) {
TreeCursorEntry *parent_entry = &self->stack.contents[self->stack.size - 2];
alias_symbol = ts_language_alias_at(
self->tree->language,