traxys/tree-sitter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Optimize Node parent() method

Browse source
This commit is contained in:
Max Brunsfeld 2015-09-09 12:43:35 -07:00
parent 67241e3052
commit fe3be2aa53
1 changed files with 3 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/runtime/node.c
View file

@ -183,16 +183,10 @@ TSNode ts_node_parent(TSNode this) {
TSLength position = ts_node__offset(this);
do {
TSTree *parent = tree->context.parent;
if (!parent)
position = ts_length_sub(position, tree->context.offset);
tree = tree->context.parent;
if (!tree)
return ts_node__null();
for (size_t i = 0; i < tree->context.index; i++) {
TSTree *child = parent->children[i];
position = ts_length_sub(position, ts_tree_total_size(child));
}
tree = parent;
} while (!ts_tree_is_visible(tree));
return ts_node_make(tree, position);