Example #1
0
        public ScriptManager(ICompletionService completionService, IScriptWorkspace scriptWorkspace)
        {
            _completionService = completionService;
            _scriptWorkspace = scriptWorkspace;

            _compilationOptions = new CompilationOptions(OutputKind.DynamicallyLinkedLibrary);
            _parseOptions = new ParseOptions(CompatibilityMode.None, LanguageVersion.CSharp6, true, SourceCodeKind.Script);

            var metadataFileProvider = _scriptWorkspace.CurrentSolution.MetadataFileProvider;
            _references = AssemblyTypes.Select(type => GetReference(metadataFileProvider, type));
        }
 public DescriptionModifyingCompletionItem(CompletionItem completionItem, ICompletionService completionService, Workspace workspace)
     : base(default(CompletionListProvider),
            completionItem.DisplayText,
            completionItem.FilterSpan,
            descriptionFactory: null,
            glyph: completionItem.Glyph,
            sortText: completionItem.SortText,
            filterText: completionItem.FilterText,
            preselect: completionItem.Preselect,
            isBuilder: completionItem.IsBuilder,
            showsWarningIcon: completionItem.ShowsWarningIcon,
            shouldFormatOnCommit: completionItem.ShouldFormatOnCommit)
 {
     this.CompletionItem = completionItem;
     _completionService = completionService;
     _workspace = workspace;
 }
            public void ComputeModel(
                ICompletionService completionService,
                CompletionTriggerInfo triggerInfo,
                IEnumerable<ICompletionProvider> completionProviders,
                bool isDebugger)
            {
                AssertIsForeground();

                // If we've already computed a model then we can just ignore this request and not
                // generate any tasks.
                if (this.Computation.InitialUnfilteredModel != null)
                {
                    return;
                }

                new ModelComputer(this, completionService, triggerInfo, completionProviders, isDebugger).Do();
            }
                public ModelComputer(
                    Session session,
                    ICompletionService completionService,
                    CompletionTriggerInfo triggerInfo,
                    IEnumerable<ICompletionProvider> completionProviders,
                    bool isDebugger)
                {
                    _session = session;
                    _completionService = completionService;
                    _options = session.Controller.SubjectBuffer.TryGetOptions();
                    _triggerInfo = triggerInfo;
                    _subjectBufferCaretPosition = session.Controller.TextView.GetCaretPoint(session.Controller.SubjectBuffer).Value;
                    _completionProviders = completionProviders;

                    _text = _subjectBufferCaretPosition.Snapshot.AsText();

                    _includeBuilder = session.Controller.SubjectBuffer.GetOption(Options.EditorCompletionOptions.UseSuggestionMode);

                    _disconnectedBufferGraph = new DisconnectedBufferGraph(session.Controller.SubjectBuffer, session.Controller.TextView.TextBuffer);
                }
                public ModelComputer(
                    Session session,
                    ICompletionService completionService,
                    CompletionTriggerInfo triggerInfo,
                    IEnumerable <ICompletionProvider> completionProviders,
                    bool isDebugger)
                {
                    _session                    = session;
                    _completionService          = completionService;
                    _options                    = session.Controller.SubjectBuffer.TryGetOptions();
                    _triggerInfo                = triggerInfo;
                    _subjectBufferCaretPosition = session.Controller.TextView.GetCaretPoint(session.Controller.SubjectBuffer).Value;
                    _completionProviders        = completionProviders;

                    _text = _subjectBufferCaretPosition.Snapshot.AsText();

                    _includeBuilder = session.Controller.SubjectBuffer.GetOption(Options.EditorCompletionOptions.UseSuggestionMode);

                    _disconnectedBufferGraph = new DisconnectedBufferGraph(session.Controller.SubjectBuffer, session.Controller.TextView.TextBuffer);
                }
Example #6
0
        private bool StartNewModelComputation(ICompletionService completionService, CompletionTriggerInfo triggerInfo, bool filterItems, bool dismissIfEmptyAllowed = true)
        {
            AssertIsForeground();
            Contract.ThrowIfTrue(sessionOpt != null);

            if (this.TextView.Selection.Mode == TextSelectionMode.Box)
            {
                // No completion with multiple selection
                return(false);
            }

            if (this.TextView.Caret.Position.VirtualBufferPosition.IsInVirtualSpace)
            {
                // Convert any virtual whitespace to real whitespace by doing an empty edit at the caret position.
                _editorOperationsFactoryService.GetEditorOperations(TextView).InsertText("");
            }

            var computation = new ModelComputation <Model>(this, PrioritizedTaskScheduler.AboveNormalInstance);

            this.sessionOpt = new Session(this, computation, GetCompletionRules(), Presenter.CreateSession(TextView, SubjectBuffer, null));

            var completionProviders = triggerInfo.TriggerReason == CompletionTriggerReason.Snippets
                ? GetSnippetCompletionProviders()
                : GetCompletionProviders();

            sessionOpt.ComputeModel(completionService, triggerInfo, completionProviders, _isDebugger);
            var filterReason = triggerInfo.TriggerReason == CompletionTriggerReason.BackspaceOrDeleteCommand ? CompletionFilterReason.BackspaceOrDelete : CompletionFilterReason.TypeChar;

            if (filterItems)
            {
                sessionOpt.FilterModel(filterReason, dismissIfEmptyAllowed: dismissIfEmptyAllowed);
            }
            else
            {
                sessionOpt.IdentifyBestMatchAndFilterToAllItems(filterReason, dismissIfEmptyAllowed: dismissIfEmptyAllowed);
            }

            return(true);
        }
Example #7
0
 private bool StartNewModelComputation(ICompletionService completionService, bool filterItems, bool dismissIfEmptyAllowed = true)
 {
     return(StartNewModelComputation(
                completionService,
                CompletionTriggerInfo.CreateInvokeCompletionTriggerInfo().WithIsDebugger(_isDebugger).WithIsImmediateWindow(_isImmediateWindow), filterItems, dismissIfEmptyAllowed));
 }
Example #8
0
 private async Task <CompletionList> GetCompletionListAsync(ICompletionService completionService, CompletionTriggerInfo triggerInfo, CancellationToken cancellationToken)
 {
     return(_documentOpt != null
         ? await completionService.GetCompletionListAsync(_documentOpt, _subjectBufferCaretPosition, triggerInfo, _options, _completionProviders, cancellationToken).ConfigureAwait(false)
         : null);
 }
 public AcknowledgementController(IBus bus, ICompletionService completionService)
 {
     this.bus = bus;
     this.completionService = completionService;
 }
 private async Task <IEnumerable <CompletionItemGroup> > GetGroupsAsync(ICompletionService completionService, CompletionTriggerInfo triggerInfo, CancellationToken cancellationToken)
 {
     if (_documentOpt == null && completionService is ITextCompletionService)
     {
         var textCompletionService = (ITextCompletionService)completionService;
         return(await textCompletionService.GetGroupsAsync(_text, _subjectBufferCaretPosition, triggerInfo, _completionProviders, _options, cancellationToken).ConfigureAwait(false));
     }
     else if (_documentOpt != null)
     {
         return(await completionService.GetGroupsAsync(_documentOpt, _subjectBufferCaretPosition, triggerInfo, _completionProviders, cancellationToken).ConfigureAwait(false));
     }
     else
     {
         return(null);
     }
 }
Example #11
0
 public AcknowledgementController(IBus bus, ICompletionService completionService)
 {
     this.bus = bus;
     this.completionService = completionService;
 }
Example #12
0
 public WordSpudEngine(ICompletionService completionService, ILogger logger, WordSpudClient client) : base(completionService, logger, client)
 {
     JackboxClient.OnSelfUpdate += OnSelfUpdate;
     JackboxClient.OnRoomUpdate += OnRoomUpdate;
     JackboxClient.Connect();
 }
Example #13
0
        public static Model CreateModel(
            DisconnectedBufferGraph disconnectedBufferGraph,
            TextSpan defaultTrackingSpanInSubjectBuffer,
            ImmutableArray <CompletionItem> totalItems,
            CompletionItem selectedItem,
            bool isHardSelection,
            bool isUnique,
            bool useSuggestionCompletionMode,
            CompletionItem builder,
            CompletionTriggerInfo triggerInfo,
            ICompletionService completionService,
            Workspace workspace)
        {
            var            updatedTotalItems     = totalItems;
            CompletionItem updatedSelectedItem   = selectedItem;
            CompletionItem updatedBuilder        = builder;
            CompletionItem updatedDefaultBuilder = GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer);

            // Get the set of actual filters used by all the completion items
            // that are in the list.
            var actualFiltersSeen = new HashSet <CompletionItemFilter>();

            foreach (var item in totalItems)
            {
                foreach (var filter in item.Filters)
                {
                    actualFiltersSeen.Add(filter);
                }
            }

            // The set of filters we'll want to show the user are the filters that are actually
            // used by our completion items.  i.e. there's no reason to show the "field" filter
            // if none of completion items is actually a field.
            var actualItemFilters = CompletionItemFilter.AllFilters.Where(actualFiltersSeen.Contains)
                                    .ToImmutableArray();

            // By default we do not filter anything out.
            ImmutableDictionary <CompletionItemFilter, bool> filterState = null;

            if (completionService != null &&
                workspace != null &&
                workspace.Kind != WorkspaceKind.Interactive && // TODO (https://github.com/dotnet/roslyn/issues/5107): support in interactive
                workspace.Options.GetOption(InternalFeatureOnOffOptions.Snippets) &&
                triggerInfo.TriggerReason != CompletionTriggerReason.Snippets)
            {
                // In order to add snippet expansion notes to completion item descriptions, update
                // all of the provided CompletionItems to DescriptionModifyingCompletionItem which will proxy
                // requests to the original completion items and add the snippet expansion note to
                // the description if necessary. We won't do this if the list was triggered to show
                // snippet shortcuts.

                var updatedTotalItemsBuilder = ImmutableArray.CreateBuilder <CompletionItem>();
                updatedSelectedItem = null;

                foreach (var item in totalItems)
                {
                    var updatedItem = new DescriptionModifyingCompletionItem(item, completionService, workspace);
                    updatedTotalItemsBuilder.Add(updatedItem);

                    if (item == selectedItem)
                    {
                        updatedSelectedItem = updatedItem;
                    }
                }

                updatedTotalItems = updatedTotalItemsBuilder.AsImmutable();

                updatedBuilder = null;
                if (builder != null)
                {
                    updatedBuilder = new DescriptionModifyingCompletionItem(builder, completionService, workspace);
                }

                updatedDefaultBuilder = new DescriptionModifyingCompletionItem(
                    GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer),
                    completionService,
                    workspace);
            }

            var completionItemToFilterText = new Dictionary <CompletionItem, string>();

            return(new Model(
                       disconnectedBufferGraph,
                       updatedTotalItems,
                       updatedTotalItems,
                       updatedSelectedItem,
                       actualItemFilters,
                       filterState,
                       completionItemToFilterText,
                       isHardSelection,
                       isUnique,
                       useSuggestionCompletionMode,
                       updatedBuilder,
                       updatedDefaultBuilder,
                       triggerInfo,
                       GetDefaultTrackingSpanEnd(defaultTrackingSpanInSubjectBuffer, disconnectedBufferGraph),
                       completionService.DismissIfEmpty));
        }
Example #14
0
        public static Model CreateModel(
            DisconnectedBufferGraph disconnectedBufferGraph,
            TextSpan defaultTrackingSpanInSubjectBuffer,
            IList <CompletionItem> totalItems,
            CompletionItem selectedItem,
            bool isHardSelection,
            bool isUnique,
            bool useSuggestionCompletionMode,
            CompletionItem builder,
            CompletionTriggerInfo triggerInfo,
            ICompletionService completionService,
            Workspace workspace)
        {
            var            updatedTotalItems     = totalItems;
            CompletionItem updatedSelectedItem   = selectedItem;
            CompletionItem updatedBuilder        = builder;
            CompletionItem updatedDefaultBuilder = GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer);

            if (completionService != null && workspace != null && triggerInfo.TriggerReason != CompletionTriggerReason.Snippets)
            {
                // In order to add snippet expansion notes to completion item descriptions, update
                // all of the provided CompletionItems to DisplayCompletionItems which will proxy
                // requests to the original completion items and add the snippet expansion note to
                // the description if necessary. We won't do this if the list was triggered to show
                // snippet shorcuts.

                updatedTotalItems   = new List <CompletionItem>();
                updatedSelectedItem = null;

                foreach (var item in totalItems)
                {
                    var updatedItem = new DescriptionModifyingCompletionItem(item, completionService, workspace);
                    updatedTotalItems.Add(updatedItem);

                    if (item == selectedItem)
                    {
                        updatedSelectedItem = updatedItem;
                    }
                }

                updatedBuilder = null;
                if (builder != null)
                {
                    updatedBuilder = new DescriptionModifyingCompletionItem(builder, completionService, workspace);
                }

                updatedDefaultBuilder = new DescriptionModifyingCompletionItem(
                    GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer),
                    completionService,
                    workspace);
            }

            return(new Model(
                       disconnectedBufferGraph,
                       updatedTotalItems,
                       updatedTotalItems,
                       updatedSelectedItem,
                       isHardSelection,
                       isUnique,
                       useSuggestionCompletionMode,
                       updatedBuilder,
                       updatedDefaultBuilder,
                       triggerInfo,
                       GetDefaultTrackingSpanEnd(defaultTrackingSpanInSubjectBuffer, disconnectedBufferGraph),
                       completionService.DismissIfEmpty));
        }
 private async Task<IEnumerable<CompletionItemGroup>> GetGroupsAsync(ICompletionService completionService, CompletionTriggerInfo triggerInfo, CancellationToken cancellationToken)
 {
     if (_documentOpt == null && completionService is ITextCompletionService)
     {
         var textCompletionService = (ITextCompletionService)completionService;
         return await textCompletionService.GetGroupsAsync(_text, _subjectBufferCaretPosition, triggerInfo, _completionProviders, _options, cancellationToken).ConfigureAwait(false);
     }
     else if (_documentOpt != null)
     {
         return await completionService.GetGroupsAsync(_documentOpt, _subjectBufferCaretPosition, triggerInfo, _completionProviders, cancellationToken).ConfigureAwait(false);
     }
     else
     {
         return null;
     }
 }
Example #16
0
 public OrderService(IOrderRepository orderRepository, IOrderLineRepository orderLineRepository, IClientRepository clientRepository, IAddressRepository addressRepository, ICurrencyRepository currencyRepository, IUnitOfWork unitOfWork, IConfigurationService configurationService, ICompletionService completionService, IProductRepository productRepository)
 {
     _orderRepository      = orderRepository;
     _orderLineRepository  = orderLineRepository;
     _clientRepository     = clientRepository;
     _unitOfWork           = unitOfWork;
     _currencyRepository   = currencyRepository;
     _configurationService = configurationService;
     _completionService    = completionService;
     _productRepository    = productRepository;
 }
Example #17
0
 protected BaseJackboxEngine(ICompletionService completionService, ILogger logger, TClient client)
 {
     CompletionService = completionService;
     JackboxClient     = client;
     _logger           = logger;
 }
 private async Task<CompletionList> GetCompletionListAsync(ICompletionService completionService, CompletionTriggerInfo triggerInfo, CancellationToken cancellationToken)
 {
     return _documentOpt != null
         ? await completionService.GetCompletionListAsync(_documentOpt, _subjectBufferCaretPosition, triggerInfo, _options, _completionProviders, cancellationToken).ConfigureAwait(false)
         : null;
 }
 public CompletionMessageHandler(ICompletionService completionService)
 {
     this.completionService = completionService;
 }
Example #20
0
        public static Model CreateModel(
            DisconnectedBufferGraph disconnectedBufferGraph,
            TextSpan defaultTrackingSpanInSubjectBuffer,
            ImmutableArray<CompletionItem> totalItems,
            CompletionItem selectedItem,
            bool isHardSelection,
            bool isUnique,
            bool useSuggestionCompletionMode,
            CompletionItem builder,
            CompletionTriggerInfo triggerInfo,
            ICompletionService completionService,
            Workspace workspace)
        {
            var updatedTotalItems = totalItems;
            CompletionItem updatedSelectedItem = selectedItem;
            CompletionItem updatedBuilder = builder;
            CompletionItem updatedDefaultBuilder = GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer);

            if (completionService != null &&
                workspace != null &&
                workspace.Kind != WorkspaceKind.Interactive && // TODO (https://github.com/dotnet/roslyn/issues/5107): support in interactive
                workspace.Options.GetOption(InternalFeatureOnOffOptions.Snippets) &&
                triggerInfo.TriggerReason != CompletionTriggerReason.Snippets)
            {
                // In order to add snippet expansion notes to completion item descriptions, update
                // all of the provided CompletionItems to DescriptionModifyingCompletionItem which will proxy
                // requests to the original completion items and add the snippet expansion note to
                // the description if necessary. We won't do this if the list was triggered to show
                // snippet shortcuts.

                var updatedTotalItemsBuilder = ImmutableArray.CreateBuilder<CompletionItem>();
                updatedSelectedItem = null;

                foreach (var item in totalItems)
                {
                    var updatedItem = new DescriptionModifyingCompletionItem(item, completionService, workspace);
                    updatedTotalItemsBuilder.Add(updatedItem);

                    if (item == selectedItem)
                    {
                        updatedSelectedItem = updatedItem;
                    }
                }

                updatedTotalItems = updatedTotalItemsBuilder.AsImmutable();

                updatedBuilder = null;
                if (builder != null)
                {
                    updatedBuilder = new DescriptionModifyingCompletionItem(builder, completionService, workspace);
                }

                updatedDefaultBuilder = new DescriptionModifyingCompletionItem(
                    GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer),
                    completionService,
                    workspace);
            }

            return new Model(
                disconnectedBufferGraph,
                updatedTotalItems,
                updatedTotalItems,
                updatedSelectedItem,
                isHardSelection,
                isUnique,
                useSuggestionCompletionMode,
                updatedBuilder,
                updatedDefaultBuilder,
                triggerInfo,
                GetDefaultTrackingSpanEnd(defaultTrackingSpanInSubjectBuffer, disconnectedBufferGraph),
                completionService.DismissIfEmpty);
        }
Example #21
0
 private bool StartNewModelComputation(ICompletionService completionService, bool filterItems, bool dismissIfEmptyAllowed = true)
 {
     return(StartNewModelComputation(
                completionService,
                CompletionTriggerInfo.CreateInvokeCompletionTriggerInfo(), filterItems, dismissIfEmptyAllowed));
 }
Example #22
0
 internal ExecutionHelper(TaskScheduler executor)
 {
     this.service = new TaskSchedulerCompletionService <T>(executor);
 }
Example #23
0
        public static Model CreateModel(
            DisconnectedBufferGraph disconnectedBufferGraph,
            TextSpan defaultTrackingSpanInSubjectBuffer,
            ImmutableArray <CompletionItem> totalItems,
            CompletionItem selectedItem,
            bool isHardSelection,
            bool isUnique,
            bool useSuggestionCompletionMode,
            CompletionItem builder,
            CompletionTriggerInfo triggerInfo,
            ICompletionService completionService,
            Workspace workspace)
        {
            var            updatedTotalItems     = totalItems;
            CompletionItem updatedSelectedItem   = selectedItem;
            CompletionItem updatedBuilder        = builder;
            CompletionItem updatedDefaultBuilder = GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer);

            if (completionService != null &&
                workspace != null &&
                workspace.Kind != WorkspaceKind.Interactive && // TODO (https://github.com/dotnet/roslyn/issues/5107): support in interactive
                workspace.Options.GetOption(InternalFeatureOnOffOptions.Snippets) &&
                triggerInfo.TriggerReason != CompletionTriggerReason.Snippets)
            {
                // In order to add snippet expansion notes to completion item descriptions, update
                // all of the provided CompletionItems to DescriptionModifyingCompletionItem which will proxy
                // requests to the original completion items and add the snippet expansion note to
                // the description if necessary. We won't do this if the list was triggered to show
                // snippet shortcuts.

                var updatedTotalItemsBuilder = ImmutableArray.CreateBuilder <CompletionItem>();
                updatedSelectedItem = null;

                foreach (var item in totalItems)
                {
                    var updatedItem = new DescriptionModifyingCompletionItem(item, completionService, workspace);
                    updatedTotalItemsBuilder.Add(updatedItem);

                    if (item == selectedItem)
                    {
                        updatedSelectedItem = updatedItem;
                    }
                }

                updatedTotalItems = updatedTotalItemsBuilder.AsImmutable();

                updatedBuilder = null;
                if (builder != null)
                {
                    updatedBuilder = new DescriptionModifyingCompletionItem(builder, completionService, workspace);
                }

                updatedDefaultBuilder = new DescriptionModifyingCompletionItem(
                    GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer),
                    completionService,
                    workspace);
            }

            return(new Model(
                       disconnectedBufferGraph,
                       updatedTotalItems,
                       updatedTotalItems,
                       updatedSelectedItem,
                       isHardSelection,
                       isUnique,
                       useSuggestionCompletionMode,
                       updatedBuilder,
                       updatedDefaultBuilder,
                       triggerInfo,
                       GetDefaultTrackingSpanEnd(defaultTrackingSpanInSubjectBuffer, disconnectedBufferGraph),
                       completionService.DismissIfEmpty));
        }
Example #24
0
        public static Model CreateModel(
            DisconnectedBufferGraph disconnectedBufferGraph,
            TextSpan defaultTrackingSpanInSubjectBuffer,
            IList<CompletionItem> totalItems,
            CompletionItem selectedItem,
            bool isHardSelection,
            bool isUnique,
            bool useSuggestionCompletionMode,
            CompletionItem builder,
            CompletionTriggerInfo triggerInfo,
            ICompletionService completionService,
            Workspace workspace)
        {
            var updatedTotalItems = totalItems;
            CompletionItem updatedSelectedItem = selectedItem;
            CompletionItem updatedBuilder = builder;
            CompletionItem updatedDefaultBuilder = GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer);

            if (completionService != null && workspace != null && triggerInfo.TriggerReason != CompletionTriggerReason.Snippets)
            {
                // In order to add snippet expansion notes to completion item descriptions, update
                // all of the provided CompletionItems to DisplayCompletionItems which will proxy
                // requests to the original completion items and add the snippet expansion note to
                // the description if necessary. We won't do this if the list was triggered to show
                // snippet shorcuts.

                updatedTotalItems = new List<CompletionItem>();
                updatedSelectedItem = null;

                foreach (var item in totalItems)
                {
                    var updatedItem = new DescriptionModifyingCompletionItem(item, completionService, workspace);
                    updatedTotalItems.Add(updatedItem);

                    if (item == selectedItem)
                    {
                        updatedSelectedItem = updatedItem;
                    }
                }

                updatedBuilder = null;
                if (builder != null)
                {
                    updatedBuilder = new DescriptionModifyingCompletionItem(builder, completionService, workspace);
                }

                updatedDefaultBuilder = new DescriptionModifyingCompletionItem(
                    GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer),
                    completionService,
                    workspace);
            }

            return new Model(
                disconnectedBufferGraph,
                updatedTotalItems,
                updatedTotalItems,
                updatedSelectedItem,
                isHardSelection,
                isUnique,
                useSuggestionCompletionMode,
                updatedBuilder,
                updatedDefaultBuilder,
                triggerInfo,
                GetDefaultTrackingSpanEnd(defaultTrackingSpanInSubjectBuffer, disconnectedBufferGraph),
                completionService.DismissIfEmpty);
        }
Example #25
0
File: Model.cs Project: Eyas/roslyn
        public static Model CreateModel(
            DisconnectedBufferGraph disconnectedBufferGraph,
            TextSpan defaultTrackingSpanInSubjectBuffer,
            ImmutableArray<CompletionItem> totalItems,
            CompletionItem selectedItem,
            bool isHardSelection,
            bool isUnique,
            bool useSuggestionCompletionMode,
            CompletionItem builder,
            CompletionTriggerInfo triggerInfo,
            ICompletionService completionService,
            Workspace workspace)
        {
            var updatedTotalItems = totalItems;
            CompletionItem updatedSelectedItem = selectedItem;
            CompletionItem updatedBuilder = builder;
            CompletionItem updatedDefaultBuilder = GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer);

            // Get the set of actual filters used by all the completion items 
            // that are in the list.
            var actualFiltersSeen = new HashSet<CompletionItemFilter>();
            foreach (var item in totalItems)
            {
                foreach (var filter in item.Filters)
                {
                    actualFiltersSeen.Add(filter);
                }
            }

            // The set of filters we'll want to show the user are the filters that are actually
            // used by our completion items.  i.e. there's no reason to show the "field" filter
            // if none of completion items is actually a field.
            var actualItemFilters = CompletionItemFilter.AllFilters.Where(actualFiltersSeen.Contains)
                                                                   .ToImmutableArray();

            // By default we do not filter anything out.
            ImmutableDictionary<CompletionItemFilter, bool> filterState = null;
             
            if (completionService != null &&
                workspace != null &&
                workspace.Kind != WorkspaceKind.Interactive && // TODO (https://github.com/dotnet/roslyn/issues/5107): support in interactive
                workspace.Options.GetOption(InternalFeatureOnOffOptions.Snippets) &&
                triggerInfo.TriggerReason != CompletionTriggerReason.Snippets)
            {
                // In order to add snippet expansion notes to completion item descriptions, update
                // all of the provided CompletionItems to DescriptionModifyingCompletionItem which will proxy
                // requests to the original completion items and add the snippet expansion note to
                // the description if necessary. We won't do this if the list was triggered to show
                // snippet shortcuts.

                var updatedTotalItemsBuilder = ImmutableArray.CreateBuilder<CompletionItem>();
                updatedSelectedItem = null;

                foreach (var item in totalItems)
                {
                    var updatedItem = new DescriptionModifyingCompletionItem(item, completionService, workspace);
                    updatedTotalItemsBuilder.Add(updatedItem);

                    if (item == selectedItem)
                    {
                        updatedSelectedItem = updatedItem;
                    }
                }

                updatedTotalItems = updatedTotalItemsBuilder.AsImmutable();

                updatedBuilder = null;
                if (builder != null)
                {
                    updatedBuilder = new DescriptionModifyingCompletionItem(builder, completionService, workspace);
                }

                updatedDefaultBuilder = new DescriptionModifyingCompletionItem(
                    GetDefaultBuilder(defaultTrackingSpanInSubjectBuffer),
                    completionService,
                    workspace);
            }

            var completionItemToFilterText= new Dictionary<CompletionItem, string>();

            return new Model(
                disconnectedBufferGraph,
                updatedTotalItems,
                updatedTotalItems,
                updatedSelectedItem,
                actualItemFilters,
                filterState,
                completionItemToFilterText,
                isHardSelection,
                isUnique,
                useSuggestionCompletionMode,
                updatedBuilder,
                updatedDefaultBuilder,
                triggerInfo,
                GetDefaultTrackingSpanEnd(defaultTrackingSpanInSubjectBuffer, disconnectedBufferGraph),
                completionService.DismissIfEmpty);
        }