public override void ExitRule(IParseTreeListener listener) { ICalculatorListener typedListener = listener as ICalculatorListener; if (typedListener != null) { typedListener.ExitInt(this); } }
public override void EnterRule(IParseTreeListener listener) { ICalculatorListener typedListener = listener as ICalculatorListener; if (typedListener != null) { typedListener.EnterAddSub(this); } }