public override Double VisitPower(CalculatorParser.PowerContext ctx)
{
if (ctx.pow() != null)
{
return(Math.Pow(Visit(ctx.unaryMinus()), Visit(ctx.pow())));
}
return(Visit(ctx.unaryMinus()));
}
/// <summary>
/// Visit a parse tree produced by the <c>Power</c>
/// labeled alternative in <see cref="CalculatorParser.pow"/>.
/// <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 VisitPower([NotNull] CalculatorParser.PowerContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Visita el nodo correspondiente a la potencia de un número o expresión
/// </summary>
/// <param name="context">Variable de contexto</param>
/// <returns>Devuelve el resultado de la expresión interna elevada a la potencia señalada</returns>
public override double VisitPower(CalculatorParser.PowerContext context)
{
return(context.ChildCount == 1 ?
Visit(context.unaryMinus()):
Math.Pow(Visit(context.unaryMinus()), Visit(context.pow())));
}
