/// <summary>
/// Generate an XElement that represents this expression.
/// </summary>
/// <param name="context">XML generation context.</param>
internal XElement GetXElement(ExpressionXmlContext context)
{
return(context.CheckElement(this, () =>
new XElement("Expression",
new XAttribute("resultType", ResultType.ToString( )),
new XElement("Root", Root?.GetXElement(context)),
new XElement("ListRoot", ListRoot?.GetXElement(context)))));
}
private IEnumerable <T> EvaluateList <T>(EvaluationContext evalContext, Func <EvaluationContext, T> evaluator)
{
var list = ListRoot.VisitItems(evalContext);
foreach (var handle in list)
{
handle.Activate(evalContext);
T result = evaluator(evalContext);
yield return(result);
}
}
