/// <summary> /// Visit a parse tree produced by the <c>ChangeSign</c> /// labeled alternative in <see cref="CalculatorParser.unaryMinus"/>. /// <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 VisitChangeSign([NotNull] CalculatorParser.ChangeSignContext context) { return(VisitChildren(context)); }
public override decimal VisitChangeSign([NotNull] CalculatorParser.ChangeSignContext context) { return(-1m * Visit(context.unaryMinus())); }