private ImmutableArray <EnvDTE.CodeElement> EnumerateOverloads()
{
var symbol = (IMethodSymbol)ParentElement.LookupSymbol();
// Only methods and constructors can be overloaded. However, all functions
// can successfully return a collection of overloaded functions; if not
// really overloaded, the collection contains just the original function.
if (symbol.MethodKind is not MethodKind.Ordinary and
not MethodKind.Constructor)
{
return(ImmutableArray.Create((EnvDTE.CodeElement)Parent));
}
var overloadsBuilder = ArrayBuilder <EnvDTE.CodeElement> .GetInstance();
foreach (var method in symbol.ContainingType.GetMembers(symbol.Name))
{
if (method.Kind != SymbolKind.Method)
{
continue;
}
var element = ExternalCodeFunction.Create(this.State, _projectId, (IMethodSymbol)method);
if (element != null)
{
overloadsBuilder.Add((EnvDTE.CodeElement)element);
}
}
return(overloadsBuilder.ToImmutableAndFree());
}
private ExternalOverloadsCollection(
CodeModelState state,
ExternalCodeFunction parent,
ProjectId projectId)
: base(state, parent)
{
_projectId = projectId;
}
internal static EnvDTE.CodeElements Create(
CodeModelState state,
ExternalCodeFunction parent,
ProjectId projectId)
{
var collection = new ExternalOverloadsCollection(state, parent, projectId);
return (EnvDTE.CodeElements)ComAggregate.CreateAggregatedObject(collection);
}
private ExternalOverloadsCollection(
CodeModelState state,
ExternalCodeFunction parent,
ProjectId projectId)
: base(state, parent)
{
_projectId = projectId;
}
internal static EnvDTE.CodeElements Create(
CodeModelState state,
ExternalCodeFunction parent,
ProjectId projectId)
{
var collection = new ExternalOverloadsCollection(state, parent, projectId);
return((EnvDTE.CodeElements)ComAggregate.CreateAggregatedObject(collection));
}