Exemple #1
0
        internal LanguageServerTarget(
            AbstractRequestDispatcherFactory requestDispatcherFactory,
            JsonRpc jsonRpc,
            ICapabilitiesProvider capabilitiesProvider,
            LspWorkspaceRegistrationService workspaceRegistrationService,
            LspMiscellaneousFilesWorkspace?lspMiscellaneousFilesWorkspace,
            IGlobalOptionService globalOptions,
            IAsynchronousOperationListenerProvider listenerProvider,
            ILspLogger logger,
            ImmutableArray <string> supportedLanguages,
            string?clientName,
            WellKnownLspServerKinds serverKind)
        {
            _requestDispatcher = requestDispatcherFactory.CreateRequestDispatcher(serverKind);

            _capabilitiesProvider = capabilitiesProvider;
            _logger = logger;

            _jsonRpc = jsonRpc;
            _jsonRpc.AddLocalRpcTarget(this);
            _jsonRpc.Disconnected += JsonRpc_Disconnected;

            _listener   = listenerProvider.GetListener(FeatureAttribute.LanguageServer);
            _clientName = clientName;

            _queue = new RequestExecutionQueue(
                logger,
                workspaceRegistrationService,
                lspMiscellaneousFilesWorkspace,
                globalOptions,
                supportedLanguages,
                serverKind);
            _queue.RequestServerShutdown += RequestExecutionQueue_Errored;

            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
                });
            }
        }
Exemple #2
0
        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
                });
            }