public static IEnumerable <IInlinedTokenItem> ObtainEdgeSourceTokenItems(this IEnumerable <Tuple <ITokenSource, FiniteAutomationSourceKind> > sources, FiniteAutomationSourceKind?kind = FiniteAutomationSourceKind.Final, bool includeOwner = false, FilterSourcePredicate filterer = null)
{
var sourceOwners = sources.Where(k => k.Item1 is IOilexerGrammarTokenEntry || (includeOwner && k.Item1 is IInlinedTokenItem)).Where(k => (kind == null || k.Item2 == kind)).Select(k => k.Item1 is IOilexerGrammarTokenEntry ? k : Tuple.Create((ITokenSource)(((IInlinedTokenItem)k.Item1).Root), k.Item2)).Distinct().ToArray();
var middletown =
(from s in sources
where (kind == null || (s.Item2 & kind) == kind) && (filterer == null || filterer(s.Item1, TokenSourceDerivedFrom.OriginalSources, s.Item2))
let isi = s.Item1 as ICaptureTokenStructuralItem
let subQuery = from s2 in isi == null ? new ITokenSource[0] : (IEnumerable <ITokenSource>)isi.Sources
select s2
from isiElement in subQuery.DefaultIfEmpty()
let currentItem = (IInlinedTokenItem)((s.Item1 is IInlinedTokenItem) ? s.Item1 : isiElement)
where currentItem != null
where sourceOwners.Any(k => k.Item1 == currentItem.Root && (kind == null || (k.Item2 & kind) == kind) && (filterer == null || filterer(k.Item1, TokenSourceDerivedFrom.CaptureItemSources, k.Item2)))
select currentItem).ToArray();
return(middletown);
}
public static IEnumerable <IInlinedTokenItem> ObtainEdgeSourceTokenItems(this RegularLanguageDFAState state, FiniteAutomationSourceKind?kind = FiniteAutomationSourceKind.Final, bool includeOwner = false, FilterSourcePredicate filterer = null)
{
return(ObtainEdgeSourceTokenItems(state.Sources, kind, includeOwner, filterer));
}
