private void ResolveForInterface(
Declaration declaration,
InheritanceModel result,
Dictionary <DescriptionModel.TypeReference, HashSet <Declaration> > usages,
Dictionary <Declaration, HashSet <Declaration> > rawInheritanceLists,
Dictionary <Declaration, HashSet <Declaration> > rawInheritanceListsReversed,
AstDescription astDescription)
{
if (settings.TypesRepresentedAsInterface.Contains(declaration.GetFullName()))
{
result.RepresentedAsInterface.Add(declaration);
}
var list = new HashSet <Declaration>(rawInheritanceLists[declaration]);
bool shouldContinue = true;
var item = new InheritanceModelDeclaration()
{
OriginalDeclaration = declaration
};
while (shouldContinue)
{
shouldContinue = false;
var entities = list.Where(i => !result.CollapsedToEmptyInterface.Contains(i) && !result.CollapsedToInterface.Contains(i)).ToArray();
var emptyInterfaces = list.Where(i => result.CollapsedToEmptyInterface.Contains(i)).ToArray();
var pureInterfaces = list.Where(i => result.CollapsedToInterface.Contains(i)).ToArray();
list.Clear();
if (emptyInterfaces.Length == 0 && pureInterfaces.Length == 0)
{
if (entities.Length <= 1)
{
if (entities.Length == 1)
{
item.BaseDeclaration = entities[0];
}
}
else
{
var filteredEntities = entities.Where(e => !entities.Any(e1 => e != e1 && this.FirstInheritsSecond(e1, e, rawInheritanceLists))).ToArray();
if (filteredEntities.Length < entities.Length)
{
shouldContinue = true;
foreach (var e in filteredEntities)
{
list.Add(e);
}
}
else
{
var collapsibleToEmpty = entities.Where(e => this.CanCollapseToEmptyInterface(e, rawInheritanceLists)).ToArray();
if (collapsibleToEmpty.Length > 0)
{
foreach (var e in collapsibleToEmpty)
{
this.CollapseToEmptyInterface(e, result, rawInheritanceLists);
}
shouldContinue = true;
}
else
{
var collapsible = entities
.Where(e => this.CanCollapseToInterface(e, rawInheritanceLists))
.OrderBy(c => rawInheritanceListsReversed.ContainsKey(c) ? rawInheritanceListsReversed[c].Count : 0)
.ToArray();
if (collapsible.Length > 0)
{
for (var i = 0; i < Math.Min(entities.Length - 1, collapsible.Length); i++)
{
this.CollapseToInterface(collapsible[i], result, rawInheritanceLists);
}
shouldContinue = true;
}
}
foreach (var e in entities)
{
list.Add(e);
}
}
if (!shouldContinue)
{
throw new InvalidOperationException("Unable to resolve inheritance list.");
}
}
}
else
{
foreach (var e in entities)
{
list.Add(e);
}
foreach (var empty in emptyInterfaces)
{
var baseItems = rawInheritanceLists[empty];
if (!item.ImplementedInterfaces.Any(i => this.FirstInheritsSecond(i, empty, rawInheritanceLists)))
{
item.ImplementedInterfaces.Add(empty);
}
foreach (var baseItem in baseItems)
{
list.Add(baseItem);
}
shouldContinue = true;
}
foreach (var pure in pureInterfaces)
{
var baseItems = rawInheritanceLists[pure];
if (!item.ImplementedInterfaces.Any(i => this.FirstInheritsSecond(i, pure, rawInheritanceLists)))
{
item.ImplementedInterfaces.Add(pure);
item.MergedDeclarations.Add(pure);
}
foreach (var baseItem in baseItems)
{
list.Add(baseItem);
}
shouldContinue = true;
}
}
}
result.Declarations.Add(declaration.GetName(), item);
}