private void AddParts(
IStructuralTypeDisplayService anonymousTypeService,
ArrayBuilder <SymbolDisplayPart> finalParts,
ImmutableArray <SymbolDisplayPart> parts,
SemanticModel semanticModel,
int position,
HashSet <INamedTypeSymbol>?seenSymbols = null)
{
seenSymbols ??= new();
foreach (var part in parts)
{
if (part.Symbol is INamedTypeSymbol {
IsAnonymousType: true
} anonymousType)
{
if (seenSymbols.Add(anonymousType))
{
var anonymousParts = anonymousTypeService.GetAnonymousTypeParts(anonymousType, semanticModel, position);
AddParts(anonymousTypeService, finalParts, anonymousParts, semanticModel, position, seenSymbols);
seenSymbols.Remove(anonymousType);
}
else
{
finalParts.Add(new SymbolDisplayPart(SymbolDisplayPartKind.Text, symbol: null, "..."));
}
}
public static IList <SymbolDisplayPart> InlineDelegateAnonymousTypes(
this IStructuralTypeDisplayService service, IList <SymbolDisplayPart> parts, SemanticModel semanticModel, int position)
{
var result = parts;
while (true)
{
var delegateAnonymousType = result.Select(p => p.Symbol).OfType <INamedTypeSymbol>().FirstOrDefault(s => s.IsAnonymousDelegateType());
if (delegateAnonymousType == null)
{
break;
}
result = result == parts ? new List <SymbolDisplayPart>(parts) : result;
ReplaceAnonymousType(result, delegateAnonymousType,
service.GetAnonymousTypeParts(delegateAnonymousType, semanticModel, position));
}
return(result);
}