/// <summary>
/// Given a list of symbols, and a mapping from each symbol to its original SemanticModel,
/// creates the list of completion items for them.
/// </summary>
private ImmutableArray <CompletionItem> CreateItems(
CompletionContext completionContext,
IEnumerable <ISymbol> symbols,
Func <ISymbol, SyntaxContext> contextLookup,
Dictionary <ISymbol, List <ProjectId> > invalidProjectMap,
List <ProjectId> totalProjects,
bool preselect,
Lazy <ImmutableArray <ITypeSymbol> > inferredTypes,
TelemetryCounter telemetryCounter)
{
// We might get symbol w/o name but CanBeReferencedByName is still set to true,
// need to filter them out.
// https://github.com/dotnet/roslyn/issues/47690
var symbolGroups = from symbol in symbols
let texts = GetDisplayAndSuffixAndInsertionText(symbol, contextLookup(symbol))
where !string.IsNullOrWhiteSpace(texts.displayText)
group symbol by texts into g
select g;
var itemListBuilder = ImmutableArray.CreateBuilder <CompletionItem>();
var typeConvertibilityCache = new Dictionary <ITypeSymbol, bool>(SymbolEqualityComparer.Default);
foreach (var symbolGroup in symbolGroups)
{
var arbitraryFirstContext = contextLookup(symbolGroup.First());
var item = CreateItem(
completionContext, symbolGroup.Key.displayText, symbolGroup.Key.suffix, symbolGroup.Key.insertionText,
symbolGroup.ToList(), arbitraryFirstContext, invalidProjectMap, totalProjects, preselect);
if (IsTargetTypeCompletionFilterExperimentEnabled(arbitraryFirstContext.Workspace))
{
var tick = Environment.TickCount;
foreach (var symbol in symbolGroup)
{
var syntaxContext = contextLookup(symbol);
if (ShouldIncludeInTargetTypedCompletionList(symbol, inferredTypes.Value, syntaxContext.SemanticModel, syntaxContext.Position, typeConvertibilityCache))
{
item = item.AddTag(WellKnownTags.TargetTypeMatch);
break;
}
}
telemetryCounter.AddTick(Environment.TickCount - tick);
}
itemListBuilder.Add(item);
}
return(itemListBuilder.ToImmutable());
}
/// <summary>
/// Given a list of symbols, and a mapping from each symbol to its original SemanticModel,
/// creates the list of completion items for them.
/// </summary>
private ImmutableArray <CompletionItem> CreateItems(
IEnumerable <ISymbol> symbols,
Func <ISymbol, SyntaxContext> contextLookup,
Dictionary <ISymbol, List <ProjectId> > invalidProjectMap,
List <ProjectId> totalProjects,
bool preselect,
Lazy <ImmutableArray <ITypeSymbol> > inferredTypes,
TelemetryCounter telemetryCounter)
{
var symbolGroups = from symbol in symbols
let texts = GetDisplayAndSuffixAndInsertionText(symbol, contextLookup(symbol))
group symbol by texts into g
select g;
var itemListBuilder = ImmutableArray.CreateBuilder <CompletionItem>();
var typeConvertibilityCache = new Dictionary <ITypeSymbol, bool>();
foreach (var symbolGroup in symbolGroups)
{
var arbitraryFirstContext = contextLookup(symbolGroup.First());
var item = this.CreateItem(
symbolGroup.Key.displayText, symbolGroup.Key.suffix, symbolGroup.Key.insertionText, symbolGroup.ToList(),
arbitraryFirstContext, invalidProjectMap, totalProjects, preselect);
if (IsTargetTypeCompletionFilterExperimentEnabled(arbitraryFirstContext.Workspace))
{
var tick = Environment.TickCount;
var inferredTypesWithoutNullability = inferredTypes.Value.SelectAsArray(t => t.WithoutNullability());
foreach (var symbol in symbolGroup)
{
var syntaxContext = contextLookup(symbol);
if (ShouldIncludeInTargetTypedCompletionList(symbol, inferredTypesWithoutNullability, syntaxContext.SemanticModel, syntaxContext.Position, typeConvertibilityCache))
{
item = item.AddTag(WellKnownTags.TargetTypeMatch);
break;
}
}
telemetryCounter.AddTick(Environment.TickCount - tick);
}
itemListBuilder.Add(item);
}
return(itemListBuilder.ToImmutable());
}
