private static void TryInlineIfThenReturnFollowedByReturn(IfThenElement ifThen, IList<IElement> elements, int index)
{
if (index == elements.Count - 1)
return;
if (ifThen.Then.Count != 1 || ifThen.Else.Count > 0)
return;
var returnInIf = ifThen.Then.Single() as ReturnElement;
var returnAfterIf = elements[index + 1] as ReturnElement;
if (returnInIf == null || returnAfterIf == null)
return;
if (returnInIf.Result == null || returnAfterIf.Result == null)
return;
elements[index] = new ReturnElement(Expression.Condition(
ifThen.Condition,
returnInIf.Result,
returnAfterIf.Result
));
elements.RemoveAt(index + 1);
}
protected virtual IElement VisitReturn(ReturnElement @return)
{
@return.Result = this.Visit(@return.Result);
return(@return);
}