fix: 同名捕获组回引与 groups 字段改末次已定义语义

2026-10-25 11:11:11 +08:00 · 2026-10-14 08:05:13 +00:00
parent 3d3bdaa5cf
commit fe430d4bcb
12 changed files with 287 additions and 42 deletions
@@ -160,7 +160,10 @@ fn remove_empties(n: &mut Node, _w: &Walk) -> PassAction {
            // Capture groups could in principle be optimized if they only match empties.
            PassAction::Keep
        }
-        Node::WordBoundary { .. } | Node::BackRef { .. } | Node::Bracket { .. } => PassAction::Keep,
+        Node::WordBoundary { .. }
+        | Node::BackRef { .. }
+        | Node::BackRefLastDefined { .. }
+        | Node::Bracket { .. } => PassAction::Keep,
        Node::LookaroundAssertion {
            negate, contents, ..
        } => {