/// <summary>
/// Visits if.
/// </summary>
/// <param name="ifx">The ifx.</param>
/// <returns></returns>
protected virtual Expression VisitIf(IFCommand ifx)
{
var check = this.Visit(ifx.Check);
var ifTrue = this.Visit(ifx.IfTrue);
var ifFalse = this.Visit(ifx.IfFalse);
return(this.UpdateIf(ifx, check, ifTrue, ifFalse));
}
/// <summary>
/// Updates if.
/// </summary>
/// <param name="ifx">The ifx.</param>
/// <param name="check">The check.</param>
/// <param name="ifTrue">If true.</param>
/// <param name="ifFalse">If false.</param>
/// <returns></returns>
protected IFCommand UpdateIf(IFCommand ifx, Expression check, Expression ifTrue, Expression ifFalse)
{
if (check != ifx.Check || ifTrue != ifx.IfTrue || ifFalse != ifx.IfFalse)
{
return(new IFCommand(check, ifTrue, ifFalse));
}
return(ifx);
}
/// <summary>
/// Compares if.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <returns></returns>
protected virtual bool CompareIf(IFCommand x, IFCommand y)
{
return(this.Compare(x.Check, y.Check) && this.Compare(x.IfTrue, y.IfTrue) && this.Compare(x.IfFalse, y.IfFalse));
}