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query: Fix detection of repeated field names

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Fixes #790
This commit is contained in:
Max Brunsfeld 2020-11-02 14:07:39 -08:00
parent 3497f34dd7
commit 99cd283e39
2 changed files with 36 additions and 5 deletions
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14
lib/src/tree_cursor.c
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@ -330,7 +330,7 @@ void ts_tree_cursor_current_status(
}
}
#undef subtree_metadata
#undef subtree_symbol
if (!ts_subtree_extra(*entry->subtree)) {
const TSFieldMapEntry *field_map, *field_map_end;
@ -345,7 +345,6 @@ void ts_tree_cursor_current_status(
for (const TSFieldMapEntry *i = field_map; i < field_map_end; i++) {
if (!i->inherited && i->child_index == entry->structural_child_index) {
*field_id = i->field_id;
*can_have_later_siblings_with_this_field = false;
break;
}
}
@ -354,9 +353,14 @@ void ts_tree_cursor_current_status(
// Determine if the current node can have later siblings with the same field name.
if (*field_id) {
for (const TSFieldMapEntry *i = field_map; i < field_map_end; i++) {
if (i->field_id == *field_id && i->child_index > entry->structural_child_index) {
*can_have_later_siblings_with_this_field = true;
break;
if (i->field_id == *field_id) {
if (
i->child_index > entry->structural_child_index ||
(i->child_index == entry->structural_child_index && *has_later_named_siblings)
) {
*can_have_later_siblings_with_this_field = true;
break;
}
}
}
}