private static async Task InsertTextAsync(
RequestExecutionQueue queue,
LanguageServerProtocol server,
Document document,
int position,
string text)
{
var sourceText = await document.GetTextAsync();
var lineInfo = sourceText.Lines.GetLinePositionSpan(new TextSpan(position, 0));
await server.ExecuteRequestAsync <DidChangeTextDocumentParams, object>(
queue,
Methods.TextDocumentDidChangeName,
new DidChangeTextDocumentParams
{
TextDocument = ProtocolConversions.DocumentToVersionedTextDocumentIdentifier(document),
ContentChanges = new TextDocumentContentChangeEvent[]
{
new TextDocumentContentChangeEvent
{
Range = new LSP.Range
{
Start = ProtocolConversions.LinePositionToPosition(lineInfo.Start),
End = ProtocolConversions.LinePositionToPosition(lineInfo.End),
},
Text = text,
},
},
},
new LSP.ClientCapabilities(),
clientName : null,
CancellationToken.None);
}
public async Task FindReferencesAsync(Document document, int position, IFindUsagesContext context)
{
var text = await document.GetTextAsync().ConfigureAwait(false);
var lspClient = _roslynLspClientServiceFactory.ActiveLanguageServerClient;
if (lspClient == null)
{
return;
}
var referenceParams = new LSP.ReferenceParams
{
Context = new LSP.ReferenceContext {
IncludeDeclaration = false
},
TextDocument = ProtocolConversions.DocumentToTextDocumentIdentifier(document),
Position = ProtocolConversions.LinePositionToPosition(text.Lines.GetLinePosition(position))
};
var locations = await lspClient.RequestAsync(LSP.Methods.TextDocumentReferences, referenceParams, context.CancellationToken).ConfigureAwait(false);
if (locations == null)
{
return;
}
// TODO: Need to get real definition data from the server.
var dummyDef = DefinitionItem.CreateNonNavigableItem(ImmutableArray <string> .Empty, ImmutableArray <TaggedText> .Empty);
await context.OnDefinitionFoundAsync(dummyDef).ConfigureAwait(false);
foreach (var location in locations)
{
var documentSpan = await _remoteLanguageServiceWorkspace.GetDocumentSpanFromLocation(location, context.CancellationToken).ConfigureAwait(false);
if (documentSpan == null)
{
continue;
}
#pragma warning disable CS0612 // Type or member is obsolete. TODO.
await context.OnReferenceFoundAsync(new SourceReferenceItem(dummyDef, documentSpan.Value, isWrittenTo : false)).ConfigureAwait(false);
#pragma warning restore CS0612 // Type or member is obsolete
}
}
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);
}
}
