public ILspService CreateILspService(LspServices lspServices, WellKnownLspServerKinds serverKind)
{
var clientCapabilities = lspServices.GetRequiredService <IClientCapabilitiesProvider>().GetClientCapabilities();
var notificationManager = lspServices.GetRequiredService <ILanguageServerNotificationManager>();
return(new SemanticTokensRangeHandler(_globalOptions, _asyncListenerProvider, _lspWorkspaceRegistrationService, notificationManager, clientCapabilities));
}
public ILspService CreateILspService(LspServices lspServices, WellKnownLspServerKinds serverKind)
{
var logger = lspServices.GetRequiredService <ILspLogger>();
var telemetryLogger = lspServices.GetRequiredService <RequestTelemetryLogger>();
var miscFilesWorkspace = lspServices.GetService <LspMiscellaneousFilesWorkspace>();
return(new LspWorkspaceManager(logger, miscFilesWorkspace, _workspaceRegistrationService, telemetryLogger));
}
public static (IQueueItem, Task <TResponseType?>) Create(
bool mutatesSolutionState,
bool requiresLSPSolution,
ClientCapabilities clientCapabilities,
string methodName,
TextDocumentIdentifier?textDocument,
TRequestType request,
IRequestHandler <TRequestType, TResponseType> handler,
Guid activityId,
ILspLogger logger,
LspServices lspServices,
CancellationToken cancellationToken)
{
var queueItem = new QueueItem <TRequestType, TResponseType>(
mutatesSolutionState,
requiresLSPSolution,
clientCapabilities,
methodName,
textDocument,
request,
handler,
activityId,
logger,
lspServices.GetRequiredService <RequestTelemetryLogger>(),
cancellationToken);
return(queueItem, queueItem._completionSource.Task);
}
internal LanguageServerTarget(
AbstractLspServiceProvider lspServiceProvider,
JsonRpc jsonRpc,
ICapabilitiesProvider capabilitiesProvider,
IAsynchronousOperationListenerProvider listenerProvider,
ILspLogger logger,
ImmutableArray <string> supportedLanguages,
WellKnownLspServerKinds serverKind)
{
_capabilitiesProvider = capabilitiesProvider;
_logger = logger;
_jsonRpc = jsonRpc;
_jsonRpc.AddLocalRpcTarget(this);
_jsonRpc.Disconnected += JsonRpc_Disconnected;
_listener = listenerProvider.GetListener(FeatureAttribute.LanguageServer);
// Add services that require base dependencies (jsonrpc) or are more complex to create to the set manually.
_lspServices = lspServiceProvider.CreateServices(serverKind, ImmutableArray.Create(
CreateLspServiceInstance <ILanguageServerNotificationManager>(new LanguageServerNotificationManager(_jsonRpc)),
CreateLspServiceInstance(logger),
CreateLspServiceInstance <IClientCapabilitiesProvider>(this)));
_queue = new RequestExecutionQueue(
supportedLanguages,
serverKind,
_lspServices);
_queue.RequestServerShutdown += RequestExecutionQueue_Errored;
_requestDispatcher = _lspServices.GetRequiredService <RequestDispatcher>();
var entryPointMethod = typeof(DelegatingEntryPoint).GetMethod(nameof(DelegatingEntryPoint.EntryPointAsync));
Contract.ThrowIfNull(entryPointMethod, $"{typeof(DelegatingEntryPoint).FullName} is missing method {nameof(DelegatingEntryPoint.EntryPointAsync)}");
foreach (var metadata in _requestDispatcher.GetRegisteredMethods())
{
// Instead of concretely defining methods for each LSP method, we instead dynamically construct the
// generic method info from the exported handler types. This allows us to define multiple handlers for
// the same method but different type parameters. This is a key functionality to support TS external
// access as we do not want to couple our LSP protocol version dll to theirs.
//
// We also do not use the StreamJsonRpc support for JToken as the rpc method parameters because we want
// StreamJsonRpc to do the deserialization to handle streaming requests using IProgress<T>.
var delegatingEntryPoint = new DelegatingEntryPoint(metadata.MethodName, this);
var genericEntryPointMethod = entryPointMethod.MakeGenericMethod(metadata.RequestType, metadata.ResponseType);
_jsonRpc.AddLocalRpcMethod(genericEntryPointMethod, delegatingEntryPoint, new JsonRpcMethodAttribute(metadata.MethodName)
{
UseSingleObjectParameterDeserialization = true
});
}
public ILspService CreateILspService(LspServices lspServices, WellKnownLspServerKinds serverKind)
{
var completionListCache = lspServices.GetRequiredService <CompletionListCache>();
return(new CompletionResolveHandler(_globalOptions, completionListCache));
}
public static async Task <RequestContext?> CreateAsync(
bool requiresLSPSolution,
bool mutatesSolutionState,
TextDocumentIdentifier?textDocument,
WellKnownLspServerKinds serverKind,
ClientCapabilities clientCapabilities,
ImmutableArray <string> supportedLanguages,
LspServices lspServices,
CancellationToken queueCancellationToken,
CancellationToken requestCancellationToken)
{
var lspWorkspaceManager = lspServices.GetRequiredService <LspWorkspaceManager>();
var logger = lspServices.GetRequiredService <ILspLogger>();
var documentChangeTracker = mutatesSolutionState ? (IDocumentChangeTracker)lspWorkspaceManager : new NonMutatingDocumentChangeTracker();
// Retrieve the current LSP tracked text as of this request.
// This is safe as all creation of request contexts cannot happen concurrently.
var trackedDocuments = lspWorkspaceManager.GetTrackedLspText();
// If the handler doesn't need an LSP solution we do two important things:
// 1. We don't bother building the LSP solution for perf reasons
// 2. We explicitly don't give the handler a solution or document, even if we could
// so they're not accidentally operating on stale solution state.
if (!requiresLSPSolution)
{
return(new RequestContext(
solution: null, logger: logger, clientCapabilities: clientCapabilities, serverKind: serverKind, document: null,
documentChangeTracker: documentChangeTracker, trackedDocuments: trackedDocuments, supportedLanguages: supportedLanguages, lspServices: lspServices,
queueCancellationToken: queueCancellationToken));
}
Solution?workspaceSolution;
Document?document = null;
if (textDocument is not null)
{
// we were given a request associated with a document. Find the corresponding roslyn document for this.
// There are certain cases where we may be asked for a document that does not exist (for example a document is removed)
// For example, document pull diagnostics can ask us after removal to clear diagnostics for a document.
document = await lspWorkspaceManager.GetLspDocumentAsync(textDocument, requestCancellationToken).ConfigureAwait(false);
}
workspaceSolution = document?.Project.Solution ?? await lspWorkspaceManager.TryGetHostLspSolutionAsync(requestCancellationToken).ConfigureAwait(false);
if (workspaceSolution == null)
{
logger.TraceError("Could not find appropriate solution for operation");
return(null);
}
var context = new RequestContext(
workspaceSolution,
logger,
clientCapabilities,
serverKind,
document,
documentChangeTracker,
trackedDocuments,
supportedLanguages,
lspServices,
queueCancellationToken);
return(context);
}
public T GetRequiredLspService <T>() where T : class, ILspService
{
return(_lspServices.GetRequiredService <T>());
}