fix

Author: toolgood

csharp/ToolGood.Algorithm/math/Ext.cs

@@ -0,0 +1,38 @@
+using Antlr4.Runtime;
+using Antlr4.Runtime.Misc;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using ToolGood.Algorithm.Internals.Visitors;
+
+namespace ToolGood.Algorithm.math
+{
+	partial class mathParser
+	{
+		private AntlrErrorData ErrorData;
+		public void AddErrorData(AntlrErrorData data)
+		{
+			ErrorData = data;
+		}
+
+		public override void NotifyErrorListeners(IToken offendingToken, string msg, RecognitionException e)
+		{
+			ErrorData.IsError = true;
+			ErrorData.ErrorMsg = msg;
+			//base.NotifyErrorListeners(offendingToken, msg, e);
+		}
+	}
+	partial class mathLexer
+	{
+		private AntlrErrorData ErrorData;
+		public void AddErrorData(AntlrErrorData data)
+		{
+			ErrorData = data;
+		}
+		public override void NotifyListeners(LexerNoViableAltException e)
+		{
+			ErrorData.IsError = true;
+			ErrorData.ErrorMsg = "Lexer is err";
+		}
+	}
+}