Daily update on 20250306-064644 by Nitload Youmu. Additional Message : Building AST generator, adding a bi-channel stack as replace of two operand stack

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>

StgSharp.Script/Token.cs

@@ -39,6 +39,8 @@ namespace StgSharp.Script
     public readonly struct Token
     {
 
+        private static Token EmptyToken = new Token();
+
         public readonly int Column;
         public readonly int Line;
         public readonly string Value;
@@ -56,6 +58,8 @@ namespace StgSharp.Script
             Flag = flag;
         }
 
+        public static Token Empty => EmptyToken;
+
     }
 
     public enum TokenFlag : int