public override async Task ProvideCompletionsAsync(CompletionContext context) { // This provider is exported for all workspaces - so limit it to just our workspace & the debugger's intellisense workspace if (context.Document.Project.Solution.Workspace.Kind != WorkspaceKind.AnyCodeRoslynWorkspace && context.Document.Project.Solution.Workspace.Kind != StringConstants.DebuggerIntellisenseWorkspaceKind) { return; } var lspClient = _roslynLspClientServiceFactory.ActiveLanguageServerClient; if (lspClient == null) { return; } var text = await context.Document.GetTextAsync(context.CancellationToken).ConfigureAwait(false); var completionParams = new LSP.CompletionParams { TextDocument = ProtocolConversions.DocumentToTextDocumentIdentifier(context.Document), Position = ProtocolConversions.LinePositionToPosition(text.Lines.GetLinePosition(context.Position)), Context = new LSP.CompletionContext { TriggerCharacter = context.Trigger.Character.ToString(), TriggerKind = GetTriggerKind(context.Trigger) } }; var completionObject = await lspClient.RequestAsync(LSP.Methods.TextDocumentCompletion.ToLSRequest(), completionParams, context.CancellationToken).ConfigureAwait(false); if (completionObject == null) { return; } var completionList = ((JToken)completionObject).ToObject <RoslynCompletionItem[]>(); foreach (var item in completionList) { ImmutableArray <string> tags; if (item.Tags != null) { tags = item.Tags.AsImmutable(); } else { var glyph = ProtocolConversions.CompletionItemKindToGlyph(item.Kind); tags = GlyphTags.GetTags(glyph); } var properties = ImmutableDictionary.CreateBuilder <string, string>(); if (!string.IsNullOrEmpty(item.Detail)) { // The display text is encoded as TaggedText | value properties.Add("Description", $"Text|{item.Detail}"); } properties.Add("InsertionText", item.InsertText); properties.Add("ResolveData", JToken.FromObject(item).ToString()); var completionItem = CompletionItem.Create(item.Label, item.FilterText, item.SortText, properties: properties.ToImmutable(), tags: tags); context.AddItem(completionItem); } }