public override void ExitRule(IParseTreeListener listener) { IPropositionalLogicGrammarListener typedListener = listener as IPropositionalLogicGrammarListener; if (typedListener != null) { typedListener.ExitInvalid(this); } }
public override void EnterRule(IParseTreeListener listener) { IPropositionalLogicGrammarListener typedListener = listener as IPropositionalLogicGrammarListener; if (typedListener != null) { typedListener.EnterParentheses(this); } }