public async Task <IWorkspaceProjectContext> CreateProjectContextAsync(
string languageName,
string projectUniqueName,
string projectFilePath,
Guid projectGuid,
object hierarchy,
string binOutputPath,
CancellationToken cancellationToken
)
{
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
var creationInfo = new VisualStudioProjectCreationInfo
{
FilePath = projectFilePath,
Hierarchy = hierarchy as IVsHierarchy,
ProjectGuid = projectGuid,
};
var visualStudioProject = await _projectFactory
.CreateAndAddToWorkspaceAsync(
projectUniqueName,
languageName,
creationInfo,
cancellationToken
)
.ConfigureAwait(true);
#pragma warning disable IDE0059 // Unnecessary assignment of a value
// At this point we've mutated the workspace. So we're no longer cancellable.
cancellationToken = CancellationToken.None;
#pragma warning restore IDE0059 // Unnecessary assignment of a value
if (languageName == LanguageNames.FSharp)
{
var shell = await _serviceProvider
.GetServiceAsync <SVsShell, IVsShell7>()
.ConfigureAwait(true);
// Force the F# package to load; this is necessary because the F# package listens to WorkspaceChanged to
// set up some items, and the F# project system doesn't guarantee that the F# package has been loaded itself
// so we're caught in the middle doing this.
var packageId = Guids.FSharpPackageId;
await shell.LoadPackageAsync(ref packageId);
}
// CPSProject constructor has a UI thread dependencies currently, so switch back to the UI thread before proceeding.
return(new CPSProject(
visualStudioProject,
_workspace,
_projectCodeModelFactory,
projectGuid,
binOutputPath
));
}
public async Task <IWorkspaceProjectContext> CreateProjectContextAsync(
string languageName,
string projectUniqueName,
string?projectFilePath,
Guid projectGuid,
object?hierarchy,
string?binOutputPath,
string?assemblyName,
CancellationToken cancellationToken)
{
var creationInfo = new VisualStudioProjectCreationInfo
{
AssemblyName = assemblyName,
FilePath = projectFilePath,
Hierarchy = hierarchy as IVsHierarchy,
ProjectGuid = projectGuid,
};
var visualStudioProject = await _projectFactory.CreateAndAddToWorkspaceAsync(
projectUniqueName, languageName, creationInfo, cancellationToken).ConfigureAwait(false);
#pragma warning disable IDE0059 // Unnecessary assignment of a value
// At this point we've mutated the workspace. So we're no longer cancellable.
cancellationToken = CancellationToken.None;
#pragma warning restore IDE0059 // Unnecessary assignment of a value
if (languageName == LanguageNames.FSharp)
{
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
var shell = await _serviceProvider.GetServiceAsync <SVsShell, IVsShell7>().ConfigureAwait(true);
// Force the F# package to load; this is necessary because the F# package listens to WorkspaceChanged to
// set up some items, and the F# project system doesn't guarantee that the F# package has been loaded itself
// so we're caught in the middle doing this.
var packageId = Guids.FSharpPackageId;
await shell.LoadPackageAsync(ref packageId);
await TaskScheduler.Default;
}
var project = new CPSProject(visualStudioProject, _workspace, _projectCodeModelFactory, projectGuid);
// Set the output path in a batch; if we set the property directly we'll be taking a synchronous lock here and
// potentially block up thread pool threads. Doing this in a batch means the global lock will be acquired asynchronously.
project.StartBatch();
project.BinOutputPath = binOutputPath;
await project.EndBatchAsync().ConfigureAwait(false);
return(project);
}
public FileChangeWatcherProvider(IThreadingContext threadingContext, [Import(typeof(SVsServiceProvider))] Shell.IAsyncServiceProvider serviceProvider)
{
// We do not want background work to implicitly block on the availability of the SVsFileChangeEx to avoid any deadlock risk,
// since the first fetch for a file watcher might end up happening on the background.
Watcher = new FileChangeWatcher(_fileChangeService.Task);
System.Threading.Tasks.Task.Run(async() =>
{
await threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync();
var fileChangeService = (IVsAsyncFileChangeEx)await serviceProvider.GetServiceAsync(typeof(SVsFileChangeEx)).ConfigureAwait(true);
_fileChangeService.SetResult(fileChangeService);
});
}
private async Task InitializeAndPopulateSnippetsCacheAsync(Shell.IAsyncServiceProvider asyncServiceProvider)
{
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync();
var textManager = (IVsTextManager2?)await asyncServiceProvider.GetServiceAsync(typeof(SVsTextManager)).ConfigureAwait(true);
Assumes.Present(textManager);
if (textManager.GetExpansionManager(out _expansionManager) == VSConstants.S_OK)
{
ComEventSink.Advise <IVsExpansionEvents>(_expansionManager, this);
await PopulateSnippetCacheAsync().ConfigureAwait(false);
}
}
public FileChangeWatcherProvider(
IThreadingContext threadingContext,
IAsynchronousOperationListenerProvider listenerProvider,
[Import(typeof(SVsServiceProvider))] Shell.IAsyncServiceProvider serviceProvider)
{
var fileChangeService = Task.Factory.StartNew(
async() =>
{
await threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(threadingContext.DisposalToken);
var fileChangeService = (IVsAsyncFileChangeEx?)await serviceProvider.GetServiceAsync(typeof(SVsFileChangeEx)).ConfigureAwait(true);
Assumes.Present(fileChangeService);
return(fileChangeService);
},
threadingContext.DisposalToken,
TaskCreationOptions.RunContinuationsAsynchronously,
TaskScheduler.Default)
.Unwrap();
// We do not want background work to implicitly block on the availability of the SVsFileChangeEx to avoid any deadlock risk,
// since the first fetch for a file watcher might end up happening on the background.
Watcher = new FileChangeWatcher(listenerProvider, fileChangeService);
}
public async Task <VisualStudioProject> CreateAndAddToWorkspaceAsync(
string projectSystemName, string language, VisualStudioProjectCreationInfo creationInfo, CancellationToken cancellationToken)
{
// HACK: Fetch this service to ensure it's still created on the UI thread; once this is
// moved off we'll need to fix up it's constructor to be free-threaded.
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
_visualStudioWorkspaceImpl.Services.GetRequiredService <VisualStudioMetadataReferenceManager>();
_visualStudioWorkspaceImpl.SubscribeExternalErrorDiagnosticUpdateSourceToSolutionBuildEvents();
// Since we're on the UI thread here anyways, use that as an opportunity to grab the
// IVsSolution object and solution file path.
//
// ConfigureAwait(true) as we have to come back to the UI thread to do the cast to IVsSolution2.
var solution = (IVsSolution2?)await _serviceProvider.GetServiceAsync(typeof(SVsSolution)).ConfigureAwait(true);
var solutionFilePath = solution != null && ErrorHandler.Succeeded(solution.GetSolutionInfo(out _, out var filePath, out _))
? filePath
: null;
// Following can be off the UI thread.
await TaskScheduler.Default;
// From this point on, we start mutating the solution. So make us non cancellable.
cancellationToken = CancellationToken.None;
var id = ProjectId.CreateNewId(projectSystemName);
var assemblyName = creationInfo.AssemblyName ?? projectSystemName;
// We will use the project system name as the default display name of the project
var project = new VisualStudioProject(
_visualStudioWorkspaceImpl,
_dynamicFileInfoProviders,
_hostDiagnosticUpdateSource,
id,
displayName: projectSystemName,
language,
assemblyName: assemblyName,
compilationOptions: creationInfo.CompilationOptions,
filePath: creationInfo.FilePath,
parseOptions: creationInfo.ParseOptions);
var versionStamp = creationInfo.FilePath != null?VersionStamp.Create(File.GetLastWriteTimeUtc(creationInfo.FilePath))
: VersionStamp.Create();
await _visualStudioWorkspaceImpl.ApplyChangeToWorkspaceAsync(w =>
{
_visualStudioWorkspaceImpl.AddProjectToInternalMaps_NoLock(project, creationInfo.Hierarchy, creationInfo.ProjectGuid, projectSystemName);
var projectInfo = ProjectInfo.Create(
id,
versionStamp,
name: projectSystemName,
assemblyName: assemblyName,
language: language,
filePath: creationInfo.FilePath,
compilationOptions: creationInfo.CompilationOptions,
parseOptions: creationInfo.ParseOptions)
.WithTelemetryId(creationInfo.ProjectGuid);
// If we don't have any projects and this is our first project being added, then we'll create a new SolutionId
// and count this as the solution being added so that event is raised.
if (w.CurrentSolution.ProjectIds.Count == 0)
{
var solutionSessionId = GetSolutionSessionId();
w.OnSolutionAdded(
SolutionInfo.Create(
SolutionId.CreateNewId(solutionFilePath),
VersionStamp.Create(),
solutionFilePath,
projects: new[] { projectInfo },
analyzerReferences: w.CurrentSolution.AnalyzerReferences)
.WithTelemetryId(solutionSessionId));
}
else
{
w.OnProjectAdded(projectInfo);
}
}).ConfigureAwait(false);
// Ensure that other VS contexts get accurate information that the UIContext for this language is now active.
// This is not cancellable as we have already mutated the solution.
await _visualStudioWorkspaceImpl.RefreshProjectExistsUIContextForLanguageAsync(language, CancellationToken.None).ConfigureAwait(false);
return(project);