Working on tree optimizer, char concat flatten ok, working on alt union

2026-02-12 18:12:40 +08:00
parent 39dd32992d
commit 6c78373375
8 changed files with 285 additions and 70 deletions
@@ -66,6 +66,14 @@ namespace StgSharp.RegularAnalysis.Abstraction
             TNode nextToken
        );

+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static virtual bool IsNullOrEmpty(
+                                   TNode node
+        )
+        {
+            return node is null || node.Equals(TNode.Empty);
+        }
+
        void PrependNode(
             TNode previousNode
        );