public void IServiceProviderExtensions_GetMefServiceAsync_NullArgChecks()
{
IAsyncServiceProvider nullServiceProvider = null;
Exceptions.Expect <ArgumentNullException>(() => nullServiceProvider.GetMefServiceAsync <IService>());
Exceptions.Expect <ArgumentNullException>(() => IServiceProviderExtensions.GetMefServiceAsync <IService>(nullServiceProvider));
}
private async Task ShutdownAsync()
{
// we are shutting down, cancel any pending work.
_cancellationTokenSource.Cancel();
await ThreadingContext.JoinableTaskFactory.SwitchToMainThreadAsync();
if (_priorityCommandTargetCookie != VSConstants.VSCOOKIE_NIL)
{
var priorityCommandTargetRegistrar = IServiceProviderExtensions.GetService <SVsRegisterPriorityCommandTarget, IVsRegisterPriorityCommandTarget>(_serviceProvider);
var cookie = _priorityCommandTargetCookie;
_priorityCommandTargetCookie = VSConstants.VSCOOKIE_NIL;
var hr = priorityCommandTargetRegistrar.UnregisterPriorityCommandTarget(cookie);
if (ErrorHandler.Failed(hr))
{
FatalError.ReportWithoutCrash(Marshal.GetExceptionForHR(hr));
}
}
if (_oleComponent != null)
{
_oleComponent.Dispose();
_oleComponent = null;
}
}
public void IServiceProviderExtensions_GetServiceOfTU_NullArgChecks()
{
IServiceProvider nullServiceProvider = null;
Exceptions.Expect <ArgumentNullException>(() => nullServiceProvider.GetService <IService, IOther>());
Exceptions.Expect <ArgumentNullException>(() => IServiceProviderExtensions.GetService <IService, IOther>(nullServiceProvider));
}
public bool TryNavigateToSymbol(ISymbol symbol, Project project, NavigationOptions options, CancellationToken cancellationToken)
{
if (project == null || symbol == null)
{
return(false);
}
symbol = symbol.OriginalDefinition;
// Prefer visible source locations if possible.
var sourceLocations = symbol.Locations.Where(loc => loc.IsInSource);
var visibleSourceLocations = sourceLocations.Where(loc => loc.IsVisibleSourceLocation());
var sourceLocation = visibleSourceLocations.FirstOrDefault() ?? sourceLocations.FirstOrDefault();
if (sourceLocation != null)
{
var targetDocument = project.Solution.GetDocument(sourceLocation.SourceTree);
if (targetDocument != null)
{
var editorWorkspace = targetDocument.Project.Solution.Workspace;
var navigationService = editorWorkspace.Services.GetRequiredService <IDocumentNavigationService>();
return(navigationService.TryNavigateToSpan(editorWorkspace, targetDocument.Id, sourceLocation.SourceSpan, options, cancellationToken));
}
}
// We don't have a source document, so show the Metadata as Source view in a preview tab.
if (!_metadataAsSourceFileService.IsNavigableMetadataSymbol(symbol))
{
return(false);
}
// Should we prefer navigating to the Object Browser over metadata-as-source?
if (_globalOptions.GetOption(VisualStudioNavigationOptions.NavigateToObjectBrowser, project.Language))
{
var libraryService = project.LanguageServices.GetService <ILibraryService>();
if (libraryService == null)
{
return(false);
}
var compilation = project.GetCompilationAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var navInfo = libraryService.NavInfoFactory.CreateForSymbol(symbol, project, compilation);
if (navInfo == null)
{
navInfo = libraryService.NavInfoFactory.CreateForProject(project);
}
if (navInfo != null)
{
var navigationTool = IServiceProviderExtensions.GetService <SVsObjBrowser, IVsNavigationTool>(_serviceProvider);
return(navigationTool.NavigateToNavInfo(navInfo) == VSConstants.S_OK);
}
// Note: we'll fallback to Metadata-As-Source if we fail to get IVsNavInfo, but that should never happen.
}
// Generate new source or retrieve existing source for the symbol in question
return(ThreadingContext.JoinableTaskFactory.Run(() => TryNavigateToMetadataAsync(project, symbol, options, cancellationToken)));
}
private async Task <bool> TryNavigateToMetadataAsync(Project project, ISymbol symbol, OptionSet options, CancellationToken cancellationToken)
{
var allowDecompilation = _globalOptions.GetOption(FeatureOnOffOptions.NavigateToDecompiledSources);
var result = await _metadataAsSourceFileService.GetGeneratedFileAsync(project, symbol, signaturesOnly : false, allowDecompilation, cancellationToken).ConfigureAwait(false);
await this.ThreadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
var vsRunningDocumentTable4 = IServiceProviderExtensions.GetService <SVsRunningDocumentTable, IVsRunningDocumentTable4>(_serviceProvider);
var fileAlreadyOpen = vsRunningDocumentTable4.IsMonikerValid(result.FilePath);
var openDocumentService = IServiceProviderExtensions.GetService <SVsUIShellOpenDocument, IVsUIShellOpenDocument>(_serviceProvider);
openDocumentService.OpenDocumentViaProject(result.FilePath, VSConstants.LOGVIEWID.TextView_guid, out _, out _, out _, out var windowFrame);
var documentCookie = vsRunningDocumentTable4.GetDocumentCookie(result.FilePath);
var vsTextBuffer = (IVsTextBuffer)vsRunningDocumentTable4.GetDocumentData(documentCookie);
// Set the buffer to read only, just in case the file isn't
ErrorHandler.ThrowOnFailure(vsTextBuffer.GetStateFlags(out var flags));
flags |= (int)BUFFERSTATEFLAGS.BSF_USER_READONLY;
ErrorHandler.ThrowOnFailure(vsTextBuffer.SetStateFlags(flags));
var textBuffer = _editorAdaptersFactory.GetDataBuffer(vsTextBuffer);
if (!fileAlreadyOpen)
{
ErrorHandler.ThrowOnFailure(windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_IsProvisional, true));
ErrorHandler.ThrowOnFailure(windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_OverrideCaption, result.DocumentTitle));
ErrorHandler.ThrowOnFailure(windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_OverrideToolTip, result.DocumentTooltip));
}
windowFrame.Show();
var openedDocument = textBuffer?.AsTextContainer().GetRelatedDocuments().FirstOrDefault();
if (openedDocument != null)
{
var editorWorkspace = openedDocument.Project.Solution.Workspace;
var navigationService = editorWorkspace.Services.GetRequiredService <IDocumentNavigationService>();
return(navigationService.TryNavigateToSpan(
editorWorkspace,
openedDocument.Id,
result.IdentifierLocation.SourceSpan,
options.WithChangedOption(NavigationOptions.PreferProvisionalTab, true),
cancellationToken));
}
return(true);
}
public VisualStudioSymbolNavigationService(
SVsServiceProvider serviceProvider,
VisualStudio14StructureTaggerProvider outliningTaggerProvider)
: base(outliningTaggerProvider.ThreadingContext)
{
_serviceProvider = serviceProvider;
var componentModel = IServiceProviderExtensions.GetService <SComponentModel, IComponentModel>(_serviceProvider);
_editorAdaptersFactory = componentModel.GetService <IVsEditorAdaptersFactoryService>();
_metadataAsSourceFileService = componentModel.GetService <IMetadataAsSourceFileService>();
_sourceGeneratedFileManager = componentModel.GetService <SourceGeneratedFileManager>();
}
private void InitializeCore()
{
AssertIsForeground();
// Ensure one of the flights is enabled, otherwise bail
_experimentationService = _workspace.Services.GetRequiredService <IExperimentationService>();
if (!_experimentationService.IsExperimentEnabled(ExternalFlightName) && !_experimentationService.IsExperimentEnabled(InternalFlightName))
{
return;
}
var vsShell = IServiceProviderExtensions.GetService <SVsShell, IVsShell>(_serviceProvider);
var hr = vsShell.IsPackageInstalled(ReSharperPackageGuid, out var extensionEnabled);
if (ErrorHandler.Failed(hr))
{
FatalError.ReportWithoutCrash(Marshal.GetExceptionForHR(hr));
return;
}
_resharperExtensionInstalledAndEnabled = extensionEnabled != 0;
if (_resharperExtensionInstalledAndEnabled)
{
// We need to monitor for suspend/resume commands, so create and install the command target and the modal callback.
var priorityCommandTargetRegistrar = IServiceProviderExtensions.GetService <SVsRegisterPriorityCommandTarget, IVsRegisterPriorityCommandTarget>(_serviceProvider);
hr = priorityCommandTargetRegistrar.RegisterPriorityCommandTarget(
dwReserved: 0 /* from docs must be 0 */,
pCmdTrgt: this,
pdwCookie: out _priorityCommandTargetCookie);
if (ErrorHandler.Failed(hr))
{
FatalError.ReportWithoutCrash(Marshal.GetExceptionForHR(hr));
return;
}
// Initialize the OleComponent to listen for modal changes (which will tell us when Tools->Options is closed)
_oleComponent = OleComponent.CreateHostedComponent("Keybinding Reset Detector");
_oleComponent.ModalStateChanged += OnModalStateChanged;
}
// run it from background and fire and forget
StartUpdateStateMachine();
}
private void RestoreVsKeybindings()
{
AssertIsForeground();
if (_uiShell == null)
{
_uiShell = IServiceProviderExtensions.GetService <SVsUIShell, IVsUIShell>(_serviceProvider);
}
ErrorHandler.ThrowOnFailure(_uiShell.PostExecCommand(
VSConstants.GUID_VSStandardCommandSet97,
(uint)VSConstants.VSStd97CmdID.CustomizeKeyboard,
(uint)OLECMDEXECOPT.OLECMDEXECOPT_DODEFAULT,
null));
KeybindingsResetLogger.Log("KeybindingsReset");
_workspace.TryApplyChanges(_workspace.CurrentSolution.WithOptions(_workspace.Options
.WithChangedOption(KeybindingResetOptions.NeedsReset, false)));
}
public App()
{
var c = new ServiceCollection();
c.AddSingleton(p => Navigation);
useMobileAppCache();
Services = this.SetupDependencies(c);
Log.Logged += onLogged;
Log.QueryAsync = onQueryLogAsync;
InitializeComponent();
try
{
var navigationPage = new NavigationPage(new MainPage {
BindingContext = IServiceProviderExtensions.GetService <MainViewModel>(Services)
});
MainPage = navigationPage;
Navigation = navigationPage.Navigation;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public bool TryNavigateToSymbol(ISymbol symbol, Project project, OptionSet?options, CancellationToken cancellationToken)
{
if (project == null || symbol == null)
{
return(false);
}
options ??= project.Solution.Options;
symbol = symbol.OriginalDefinition;
// Prefer visible source locations if possible.
var sourceLocations = symbol.Locations.Where(loc => loc.IsInSource);
var visibleSourceLocations = sourceLocations.Where(loc => loc.IsVisibleSourceLocation());
var sourceLocation = visibleSourceLocations.FirstOrDefault() ?? sourceLocations.FirstOrDefault();
if (sourceLocation != null)
{
var targetDocument = project.Solution.GetDocument(sourceLocation.SourceTree);
if (targetDocument != null)
{
var editorWorkspace = targetDocument.Project.Solution.Workspace;
var navigationService = editorWorkspace.Services.GetRequiredService <IDocumentNavigationService>();
return(navigationService.TryNavigateToSpan(editorWorkspace, targetDocument.Id, sourceLocation.SourceSpan, options, cancellationToken));
}
}
// We don't have a source document, so show the Metadata as Source view in a preview tab.
var metadataLocation = symbol.Locations.Where(loc => loc.IsInMetadata).FirstOrDefault();
if (metadataLocation == null || !_metadataAsSourceFileService.IsNavigableMetadataSymbol(symbol))
{
return(false);
}
// Should we prefer navigating to the Object Browser over metadata-as-source?
if (_globalOptions.GetOption(VisualStudioNavigationOptions.NavigateToObjectBrowser, project.Language))
{
var libraryService = project.LanguageServices.GetService <ILibraryService>();
if (libraryService == null)
{
return(false);
}
var compilation = project.GetCompilationAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var navInfo = libraryService.NavInfoFactory.CreateForSymbol(symbol, project, compilation);
if (navInfo == null)
{
navInfo = libraryService.NavInfoFactory.CreateForProject(project);
}
if (navInfo != null)
{
var navigationTool = IServiceProviderExtensions.GetService <SVsObjBrowser, IVsNavigationTool>(_serviceProvider);
return(navigationTool.NavigateToNavInfo(navInfo) == VSConstants.S_OK);
}
// Note: we'll fallback to Metadata-As-Source if we fail to get IVsNavInfo, but that should never happen.
}
// Generate new source or retrieve existing source for the symbol in question
var allowDecompilation = false;
// Check whether decompilation is supported for the project. We currently only support this for C# projects.
if (project.LanguageServices.GetService <IDecompiledSourceService>() != null)
{
allowDecompilation = project.Solution.Workspace.Options.GetOption(FeatureOnOffOptions.NavigateToDecompiledSources) && !symbol.IsFromSource();
}
var result = _metadataAsSourceFileService.GetGeneratedFileAsync(project, symbol, allowDecompilation, cancellationToken).WaitAndGetResult(cancellationToken);
var vsRunningDocumentTable4 = IServiceProviderExtensions.GetService <SVsRunningDocumentTable, IVsRunningDocumentTable4>(_serviceProvider);
var fileAlreadyOpen = vsRunningDocumentTable4.IsMonikerValid(result.FilePath);
var openDocumentService = IServiceProviderExtensions.GetService <SVsUIShellOpenDocument, IVsUIShellOpenDocument>(_serviceProvider);
openDocumentService.OpenDocumentViaProject(result.FilePath, VSConstants.LOGVIEWID.TextView_guid, out var localServiceProvider, out var hierarchy, out var itemId, out var windowFrame);
var documentCookie = vsRunningDocumentTable4.GetDocumentCookie(result.FilePath);
// The cast from dynamic to object doesn't change semantics, but avoids loading the dynamic binder
// which saves us JIT time in this method.
var vsTextBuffer = (IVsTextBuffer)(object)vsRunningDocumentTable4.GetDocumentData(documentCookie);
var textBuffer = _editorAdaptersFactory.GetDataBuffer(vsTextBuffer);
if (!fileAlreadyOpen)
{
ErrorHandler.ThrowOnFailure(windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_IsProvisional, true));
ErrorHandler.ThrowOnFailure(windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_OverrideCaption, result.DocumentTitle));
ErrorHandler.ThrowOnFailure(windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_OverrideToolTip, result.DocumentTooltip));
}
windowFrame.Show();
var openedDocument = textBuffer?.AsTextContainer().GetRelatedDocuments().FirstOrDefault();
if (openedDocument != null)
{
var editorWorkspace = openedDocument.Project.Solution.Workspace;
var navigationService = editorWorkspace.Services.GetRequiredService <IDocumentNavigationService>();
return(navigationService.TryNavigateToSpan(
editorWorkspace,
openedDocument.Id,
result.IdentifierLocation.SourceSpan,
options.WithChangedOption(NavigationOptions.PreferProvisionalTab, true),
cancellationToken));
}
return(true);
}
public bool ExecuteCommand(SyncClassViewCommandArgs args, CommandExecutionContext context)
{
this.AssertIsForeground();
var caretPosition = args.TextView.GetCaretPoint(args.SubjectBuffer) ?? -1;
if (caretPosition < 0)
{
return(false);
}
var snapshot = args.SubjectBuffer.CurrentSnapshot;
using var waitScope = context.OperationContext.AddScope(
allowCancellation: true,
string.Format(ServicesVSResources.Synchronizing_with_0, ClassView)
);
var document = snapshot
.GetFullyLoadedOpenDocumentInCurrentContextWithChangesAsync(
context.OperationContext
)
.WaitAndGetResult(context.OperationContext.UserCancellationToken);
if (document == null)
{
return(true);
}
var syntaxFactsService = document.GetLanguageService <ISyntaxFactsService>();
if (syntaxFactsService == null)
{
return(true);
}
var libraryService = document.GetLanguageService <ILibraryService>();
if (libraryService == null)
{
return(true);
}
var userCancellationToken = context.OperationContext.UserCancellationToken;
var semanticModel = document
.GetSemanticModelAsync(userCancellationToken)
.WaitAndGetResult(userCancellationToken);
var root = semanticModel.SyntaxTree
.GetRootAsync(userCancellationToken)
.WaitAndGetResult(userCancellationToken);
var memberDeclaration = syntaxFactsService.GetContainingMemberDeclaration(
root,
caretPosition
);
var symbol =
memberDeclaration != null
? semanticModel.GetDeclaredSymbol(memberDeclaration, userCancellationToken)
: null;
while (symbol != null && !IsValidSymbolToSynchronize(symbol))
{
symbol = symbol.ContainingSymbol;
}
IVsNavInfo navInfo = null;
if (symbol != null)
{
navInfo = libraryService.NavInfoFactory.CreateForSymbol(
symbol,
document.Project,
semanticModel.Compilation,
useExpandedHierarchy: true
);
}
if (navInfo == null)
{
navInfo = libraryService.NavInfoFactory.CreateForProject(document.Project);
}
if (navInfo == null)
{
return(true);
}
var navigationTool = IServiceProviderExtensions.GetService <
SVsClassView,
IVsNavigationTool
>(_serviceProvider);
navigationTool.NavigateToNavInfo(navInfo);
return(true);
}
public void GetRequiredServiceFailsWithNullThis()
{
Assert.Throws <ArgumentNullException>(() => IServiceProviderExtensions.GetRequiredService <object>(null));
}
/// <summary>
/// Returns true if ReSharper is installed, enabled, and not suspended.
/// </summary>
private async ValueTask <ReSharperStatus> IsReSharperRunningAsync(CancellationToken cancellationToken)
{
// Quick exit if resharper is either uninstalled or not enabled
if (!_resharperExtensionInstalledAndEnabled)
{
return(ReSharperStatus.NotInstalledOrDisabled);
}
await EnsureOleCommandTargetAsync().ConfigureAwait(false);
// poll until either suspend or resume botton is available, or until operation is canceled
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
var suspendFlag = await QueryStatusAsync(SuspendId).ConfigureAwait(false);
// In the case of an error when attempting to get the status, pretend that ReSharper isn't enabled. We also
// shut down monitoring so we don't keep hitting this.
if (suspendFlag == 0)
{
return(ReSharperStatus.NotInstalledOrDisabled);
}
var resumeFlag = await QueryStatusAsync(ResumeId).ConfigureAwait(false);
if (resumeFlag == 0)
{
return(ReSharperStatus.NotInstalledOrDisabled);
}
// When ReSharper is running, the ReSharper_Suspend command is Enabled and not Invisible
if (suspendFlag.HasFlag(OLECMDF.OLECMDF_ENABLED) && !suspendFlag.HasFlag(OLECMDF.OLECMDF_INVISIBLE))
{
return(ReSharperStatus.Enabled);
}
// When ReSharper is suspended, the ReSharper_Resume command is Enabled and not Invisible
if (resumeFlag.HasFlag(OLECMDF.OLECMDF_ENABLED) && !resumeFlag.HasFlag(OLECMDF.OLECMDF_INVISIBLE))
{
return(ReSharperStatus.Suspended);
}
// ReSharper has not finished initializing, so try again later
await Task.Delay(TimeSpan.FromSeconds(2), cancellationToken).ConfigureAwait(false);
}
async Task <OLECMDF> QueryStatusAsync(uint cmdId)
{
var cmds = new OLECMD[1];
cmds[0].cmdID = cmdId;
cmds[0].cmdf = 0;
await ThreadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
var hr = _oleCommandTarget.QueryStatus(ReSharperCommandGroup, (uint)cmds.Length, cmds, IntPtr.Zero);
if (ErrorHandler.Failed(hr))
{
FatalError.ReportWithoutCrash(Marshal.GetExceptionForHR(hr));
await ShutdownAsync().ConfigureAwait(false);
return(0);
}
return((OLECMDF)cmds[0].cmdf);
}
async Task EnsureOleCommandTargetAsync()
{
if (_oleCommandTarget != null)
{
return;
}
await ThreadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
_oleCommandTarget = IServiceProviderExtensions.GetService <SUIHostCommandDispatcher, IOleCommandTarget>(_serviceProvider);
}
}
