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

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

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

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

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