protected internal virtual void ExitRule(IParseTreeListener listener, IRuleNode r
     )
 {
     ParserRuleContext ctx = (ParserRuleContext)r.RuleContext;
     ctx.ExitRule(listener);
     listener.ExitEveryRule(ctx);
 }

 public virtual void Walk(IParseTreeListener listener, IParseTree t)
 {
     if (t is IErrorNode)
     {
         listener.VisitErrorNode((IErrorNode)t);
         return;
     }
     else
     {
         if (t is ITerminalNode)
         {
             listener.VisitTerminal((ITerminalNode)t);
             return;
         }
     }
     IRuleNode r = (IRuleNode)t;
     EnterRule(listener, r);
     int n = r.ChildCount;
     for (int i = 0; i < n; i++)
     {
         Walk(listener, r.GetChild(i));
     }
     ExitRule(listener, r);
 }

		public override void ExitRule(IParseTreeListener listener) {
			IBinShredListener typedListener = listener as IBinShredListener;
			if (typedListener != null) typedListener.ExitLookupTableEntryKey(this);
		}

		public override void EnterRule(IParseTreeListener listener) {
			IBinShredListener typedListener = listener as IBinShredListener;
			if (typedListener != null) typedListener.EnterSizeReference(this);
		}

		public override void ExitRule(IParseTreeListener listener) {
			IVBGrammarListener typedListener = listener as IVBGrammarListener;
			if (typedListener != null) typedListener.ExitVsMid(this);
		}

		public override void EnterRule(IParseTreeListener listener) {
			IVBGrammarListener typedListener = listener as IVBGrammarListener;
			if (typedListener != null) typedListener.EnterAmbiguousIdentifier(this);
		}