public override void ExitRule(IParseTreeListener listener)
            {
                IExcelListener typedListener = listener as IExcelListener;

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

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

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

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

                if (typedListener != null)
                {
                    typedListener.ExitCompileUnit(this);
                }
            }