public override object VisitExpressionContentNegative(FaParser.ExpressionContentNegativeContext context)
{
object expToNegate = Visit(context.expressionContent());
object result = null;
if (expToNegate is double)
{
result = -Convert.ToDouble(expToNegate);
}
if (expToNegate is int)
{
result = -(int)expToNegate;
}
if (expToNegate is string || expToNegate is bool)
{
Debug.LogError("No es posible aplicar el operador - a string o bool");
// Console.WriteLine("No es posible aplicar el operador - a string o bool");
MyConsole.main.AppendText("No es posible aplicar el operador - a string o bool");
}
return(result);
}
/// <summary>
/// Visit a parse tree produced by the <c>expressionContentNegative</c>
/// labeled alternative in <see cref="FaParser.expressionContent"/>.
/// <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 VisitExpressionContentNegative([NotNull] FaParser.ExpressionContentNegativeContext context)
{
return(VisitChildren(context));
}