/// <summary>
/// Following standard framework guideline dispose pattern
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources..</param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
ThreadingService.JoinableTaskFactory.Run(async delegate
{
#pragma warning disable CA2007 // Do not directly await a Task (see https://github.com/dotnet/roslyn/issues/6770)
await LanguageServiceRegister.UnregisterAsync(this);
#pragma warning restore CA2007 // Do not directly await a Task
if (_intellisenseEngine != null)
{
await ThreadingService.JoinableTaskFactory.SwitchToMainThreadAsync();
Marshal.ThrowExceptionForHR(_intellisenseEngine.StopIntellisenseEngine());
Marshal.ThrowExceptionForHR(_intellisenseEngine.Close());
_intellisenseEngine = null;
}
_designTimeBuildSubscriptionLink?.Dispose();
_evaluationSubscriptionLink?.Dispose();
});
}
}
/// <inheritdoc/>
async Task IProjectWithIntellisense.OnProjectRemovedAsync(UnconfiguredProject unconfiguredProject, IVsIntellisenseProject intellisenseProject)
{
ProjectReferenceState state;
if (_projectReferenceFullPaths.TryGetValue(unconfiguredProject.FullPath, out state))
{
await ThreadingService.JoinableTaskFactory.SwitchToMainThreadAsync();
Marshal.ThrowExceptionForHR(_intellisenseEngine.RemoveP2PReference(intellisenseProject));
state.AsProjectReference = false;
if (state.ResolvedPath != null)
{
Marshal.ThrowExceptionForHR(_intellisenseEngine.AddAssemblyReference(state.ResolvedPath));
}
Marshal.ThrowExceptionForHR(_intellisenseEngine.StartIntellisenseEngine());
}
}
/// <summary>
/// Invoked when the UnconfiguredProject is first loaded to initialize language services.
/// </summary>
protected async Task InitializeAsync()
{
ProjectAsynchronousTasksService.UnloadCancellationToken.ThrowIfCancellationRequested();
// Don't start until the project has been loaded as far as the IDE is concerned.
#pragma warning disable CA2007 // Do not directly await a Task (see https://github.com/dotnet/roslyn/issues/6770)
await ProjectAsyncLoadDashboard.ProjectLoadedInHost;
#pragma warning restore CA2007 // Do not directly await a Task
// Defer this work until VS has idle time. Otherwise we'll block the UI thread to load the MSBuild project evaluation
// during synchronous project load time.
await ThreadHelper.JoinableTaskFactory.RunAsync(
VsTaskRunContext.UIThreadBackgroundPriority,
async delegate
{
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
await Task.Yield();
using (ProjectAsynchronousTasksService.LoadedProject())
{
// hack to ensure webproj package is properly sited, by forcing it to load with a QueryService call for
// one of the services it implements.
var tmpObj = Package.GetGlobalService(typeof(SWebApplicationCtxSvc)) as IWebApplicationCtxSvc;
Report.IfNotPresent(tmpObj);
if (tmpObj == null)
{
return;
}
// Create the Intellisense engine for C#
var registry = ServiceProvider.GetService(typeof(SLocalRegistry)) as ILocalRegistry3;
Assumes.Present(registry);
IntPtr pIntellisenseEngine = IntPtr.Zero;
try
{
Marshal.ThrowExceptionForHR(registry.CreateInstance(
IntelliSenseProviderGuid,
null,
typeof(IVsIntellisenseProject).GUID,
(uint)CLSCTX.CLSCTX_INPROC_SERVER,
out pIntellisenseEngine));
_intellisenseEngine = Marshal.GetObjectForIUnknown(pIntellisenseEngine) as IVsIntellisenseProject;
}
finally
{
if (pIntellisenseEngine != IntPtr.Zero)
{
Marshal.Release(pIntellisenseEngine);
}
}
Marshal.ThrowExceptionForHR(_intellisenseEngine.Init(this));
#pragma warning disable CA2007 // Do not directly await a Task (see https://github.com/dotnet/roslyn/issues/6770)
await LanguageServiceRegister.RegisterProjectAsync(this);
#pragma warning restore CA2007 // Do not directly await a Task
}
});
// The rest of this can execute on a worker thread.
await TaskScheduler.Default;
using (ProjectAsynchronousTasksService.LoadedProject())
{
var designTimeBuildBlock = new ActionBlock <IProjectVersionedValue <IProjectSubscriptionUpdate> >(
ProjectBuildRuleBlock_ChangedAsync);
_designTimeBuildSubscriptionLink = ActiveConfiguredProjectSubscriptionService.JointRuleSource.SourceBlock.LinkTo(
designTimeBuildBlock,
ruleNames: WatchedEvaluationRules.Union(WatchedDesignTimeBuildRules));
var evaluationBlock = new ActionBlock <IProjectVersionedValue <IProjectSubscriptionUpdate> >(
ProjectRuleBlock_ChangedAsync);
_evaluationSubscriptionLink = ActiveConfiguredProjectSubscriptionService.JointRuleSource.SourceBlock.LinkTo(
evaluationBlock,
ruleNames: WatchedEvaluationRules);
}
}
