Ejemplo n.º 1
0
    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);
    }
Ejemplo n.º 2
0
 /// <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));
 }