/// <summary> /// Visit a parse tree produced by the <c>UnaryMinus</c> /// labeled alternative in <see cref="CalcParser.expression"/>. /// <para> /// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/> /// on <paramref name="context"/>. /// </para> /// </summary> /// <param name="context">The parse tree.</param> /// <return>The visitor result.</return> public virtual Result VisitUnaryMinus([NotNull] CalcParser.UnaryMinusContext context) { return(VisitChildren(context)); }
public override double VisitUnaryMinus(CalcParser.UnaryMinusContext context) { return(-1 * WalkLeft(context)); }
/// <summary> /// Exit a parse tree produced by the <c>UnaryMinus</c> /// labeled alternative in <see cref="CalcParser.expression"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitUnaryMinus([NotNull] CalcParser.UnaryMinusContext context) { }