internal static IList<ITagSpan<IErrorTag>> GetErrorsFromUpdateSource(TestWorkspace workspace, TestHostDocument document, DiagnosticsUpdatedArgs updateArgs)
{
var source = new TestDiagnosticUpdateSource();
var listener = new AsynchronousOperationListener();
var listeners = AsynchronousOperationListener.CreateListeners(
ValueTuple.Create(FeatureAttribute.DiagnosticService, listener),
ValueTuple.Create(FeatureAttribute.ErrorSquiggles, listener));
var optionsService = workspace.Services.GetService<IOptionService>();
var diagnosticService = new DiagnosticService(SpecializedCollections.SingletonEnumerable<IDiagnosticUpdateSource>(source), listeners);
var foregroundService = workspace.GetService<IForegroundNotificationService>(); //new TestForegroundNotificationService();
var buffer = document.GetTextBuffer();
var provider = new DiagnosticsSquiggleTaggerProvider(optionsService, diagnosticService, foregroundService, listeners);
var tagger = provider.CreateTagger<IErrorTag>(buffer);
source.RaiseDiagnosticsUpdated(updateArgs);
listener.CreateWaitTask().PumpingWait();
var snapshot = buffer.CurrentSnapshot;
var spans = tagger.GetTags(new NormalizedSnapshotSpanCollection(new SnapshotSpan(snapshot, 0, snapshot.Length))).ToImmutableArray();
((IDisposable)tagger).Dispose();
return spans;
}
internal static IList<ITagSpan<IErrorTag>> GetErrorsFromUpdateSource(TestWorkspace workspace, TestHostDocument document, DiagnosticsUpdatedArgs updateArgs)
{
var source = new TestDiagnosticUpdateSource();
var diagnosticWaiter = new DiagnosticServiceWaiter();
var diagnosticListeners = SpecializedCollections.SingletonEnumerable(new Lazy<IAsynchronousOperationListener, FeatureMetadata>(
() => diagnosticWaiter, new FeatureMetadata(new Dictionary<string, object>() { { "FeatureName", FeatureAttribute.DiagnosticService } })));
var optionsService = workspace.Services.GetService<IOptionService>();
var diagnosticService = new DiagnosticService(SpecializedCollections.SingletonEnumerable<IDiagnosticUpdateSource>(source), diagnosticListeners);
var squiggleWaiter = new ErrorSquiggleWaiter();
var foregroundService = new TestForegroundNotificationService();
var buffer = document.GetTextBuffer();
var taggerSource = new DiagnosticsSquiggleTaggerProvider.TagSource(buffer, foregroundService, diagnosticService, optionsService, squiggleWaiter);
source.RaiseDiagnosticsUpdated(updateArgs);
diagnosticWaiter.CreateWaitTask().PumpingWait();
squiggleWaiter.CreateWaitTask().PumpingWait();
var snapshot = buffer.CurrentSnapshot;
var intervalTree = taggerSource.GetTagIntervalTreeForBuffer(buffer);
var spans = intervalTree.GetIntersectingSpans(new SnapshotSpan(snapshot, 0, snapshot.Length));
taggerSource.TestOnly_Dispose();
return spans;
}
protected void RaiseDiagnosticsUpdated(DiagnosticsUpdatedArgs args)
{
var updated = this.DiagnosticsUpdated;
if (updated != null)
{
updated(this, args);
}
}
internal void RaiseDiagnosticsUpdated(DiagnosticsUpdatedArgs state)
{
var handler = this.DiagnosticsUpdated;
if (handler != null)
{
handler(this, state);
}
}
internal void RaiseDiagnosticsUpdated(object sender, DiagnosticsUpdatedArgs state)
{
var handler = this.DiagnosticsUpdated;
if (handler != null)
{
handler(sender, state);
}
}
private void OnDiagnosticsUpdated(object sender, DiagnosticsUpdatedArgs e)
{
var document = _subjectBuffer.AsTextContainer().GetOpenDocumentInCurrentContext();
if (document != null && document.Project.Solution.Workspace == e.Workspace && document.Id == e.DocumentId)
{
this.RaiseChanged();
}
}
internal void RaiseDiagnosticsUpdated(DiagnosticsUpdatedArgs args)
{
// all diagnostics events are serialized.
var ev = _eventMap.GetEventHandlers<EventHandler<DiagnosticsUpdatedArgs>>(DiagnosticsUpdatedEventName);
if (ev.HasHandlers)
{
var asyncToken = Listener.BeginAsyncOperation(nameof(RaiseDiagnosticsUpdated));
_eventQueue.ScheduleTask(() => ev.RaiseEvent(handler => handler(this, args))).CompletesAsyncOperation(asyncToken);
}
}
private void RaiseDiagnosticsUpdatedForProject(ProjectId projectId, object key, IEnumerable<DiagnosticData> items)
{
var args = new DiagnosticsUpdatedArgs(
id: Tuple.Create(this, projectId, key),
workspace: _workspace,
solution: null,
projectId: projectId,
documentId: null,
diagnostics: items.AsImmutableOrEmpty());
RaiseDiagnosticsUpdated(args);
}
internal static async Task<IList<ITagSpan<IErrorTag>>> GetErrorsFromUpdateSource(TestWorkspace workspace, TestHostDocument document, DiagnosticsUpdatedArgs updateArgs)
{
var source = new TestDiagnosticUpdateSource();
using (var wrapper = new DiagnosticTaggerWrapper(workspace, source))
{
var tagger = wrapper.TaggerProvider.CreateTagger<IErrorTag>(workspace.Documents.First().GetTextBuffer());
using (var disposable = tagger as IDisposable)
{
source.RaiseDiagnosticsUpdated(updateArgs);
await wrapper.WaitForTags();
var snapshot = workspace.Documents.First().GetTextBuffer().CurrentSnapshot;
var spans = tagger.GetTags(snapshot.GetSnapshotSpanCollection()).ToImmutableArray();
return spans;
}
}
}
public void OnAnalyzerLoadFailed(object?sender, AnalyzerLoadFailureEventArgs e)
{
if (!(sender is AnalyzerFileReference reference))
{
return;
}
var diagnostic = AnalyzerHelper.CreateAnalyzerLoadFailureDiagnostic(e, reference.FullPath, projectId: null, language: null);
// diagnostic from host analyzer can never go away
var args = DiagnosticsUpdatedArgs.DiagnosticsCreated(
id: Tuple.Create(this, reference.FullPath, e.ErrorCode, e.TypeName),
workspace: _primaryWorkspace.Workspace,
solution: null,
projectId: null,
documentId: null,
diagnostics: ImmutableArray.Create <DiagnosticData>(diagnostic));
// this can be null in test. but in product code, this should never be null.
_hostUpdateSource?.RaiseDiagnosticsUpdated(args);
}
public async Task AnalyzeSyntaxAsync(Document document, InvocationReasons reasons, CancellationToken cancellationToken)
{
// right now, there is no way to observe diagnostics for closed file.
if (!_workspace.IsDocumentOpen(document.Id) ||
!_workspace.Options.GetOption(InternalRuntimeDiagnosticOptions.Syntax))
{
return;
}
var tree = await document.GetSyntaxTreeAsync(cancellationToken).ConfigureAwait(false);
var diagnostics = tree.GetDiagnostics(cancellationToken);
Contract.Requires(document.Project.Solution.Workspace == _workspace);
var diagnosticData = diagnostics == null ? ImmutableArray <DiagnosticData> .Empty : diagnostics.Select(d => DiagnosticData.Create(document, d)).ToImmutableArrayOrEmpty();
_service.RaiseDiagnosticsUpdated(
DiagnosticsUpdatedArgs.DiagnosticsCreated(new DefaultUpdateArgsId(_workspace.Kind, Syntax, document.Id),
_workspace, document.Project.Solution, document.Project.Id, document.Id, diagnosticData));
}
private void RaiseDiagnosticsUpdated(IDiagnosticUpdateSource source, DiagnosticsUpdatedArgs args)
{
var ev = _eventMap.GetEventHandlers <EventHandler <DiagnosticsUpdatedArgs> >(DiagnosticsUpdatedEventName);
if (!RequireRunningEventTasks(source, ev))
{
return;
}
var eventToken = _listener.BeginAsyncOperation(DiagnosticsUpdatedEventName);
_eventQueue.ScheduleTask(() =>
{
if (!UpdateDataMap(source, args))
{
// there is no change, nothing to raise events for.
return;
}
ev.RaiseEvent(handler => handler(source, args));
}).CompletesAsyncOperation(eventToken);
}
private async Task AnalyzeForKind(Document document, AnalysisKind kind, CancellationToken cancellationToken)
{
var diagnosticData = await _service._analyzerService.GetDiagnosticsAsync(document, GetAnalyzers(), kind, cancellationToken).ConfigureAwait(false);
_service.RaiseDiagnosticsUpdated(
DiagnosticsUpdatedArgs.DiagnosticsCreated(new DefaultUpdateArgsId(_workspace.Kind, kind, document.Id),
_workspace, document.Project.Solution, document.Project.Id, document.Id, diagnosticData.ToImmutableArrayOrEmpty()));
IEnumerable <DiagnosticAnalyzer> GetAnalyzers()
{
// C# or VB document that supports compiler
var compilerAnalyzer = _service._analyzerService.GetCompilerDiagnosticAnalyzer(document.Project.Language);
if (compilerAnalyzer != null)
{
return(SpecializedCollections.SingletonEnumerable(compilerAnalyzer));
}
// document that doesn't support compiler diagnostics such as fsharp or typescript
return(_service._analyzerService.GetDiagnosticAnalyzers(document.Project));
}
}
public void OnAnalyzerLoadFailed(object sender, AnalyzerLoadFailureEventArgs e)
{
var reference = sender as AnalyzerFileReference;
if (reference == null)
{
return;
}
var diagnostic = AnalyzerHelper.CreateAnalyzerLoadFailureDiagnostic(reference.FullPath, e);
// diagnostic from host analyzer can never go away
var args = DiagnosticsUpdatedArgs.DiagnosticsCreated(
id: Tuple.Create(this, reference.FullPath, e.ErrorCode, e.TypeName),
workspace: PrimaryWorkspace.Workspace,
solution: null,
projectId: null,
documentId: null,
diagnostics: ImmutableArray.Create <DiagnosticData>(diagnostic));
_hostUpdateSource.RaiseDiagnosticsUpdated(args);
}
public async Task AnalyzeDocumentAsync(Document document, SyntaxNode bodyOpt, InvocationReasons reasons, CancellationToken cancellationToken)
{
// right now, there is no way to observe diagnostics for closed file.
if (!_workspace.IsDocumentOpen(document.Id) ||
!_workspace.Options.GetOption(InternalRuntimeDiagnosticOptions.Semantic))
{
return;
}
var model = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var diagnostics = model.GetMethodBodyDiagnostics(span: null, cancellationToken: cancellationToken).Concat(
model.GetDeclarationDiagnostics(span: null, cancellationToken: cancellationToken));
Debug.Assert(document.Project.Solution.Workspace == _workspace);
var diagnosticData = diagnostics == null ? ImmutableArray <DiagnosticData> .Empty : diagnostics.Select(d => DiagnosticData.Create(document, d)).ToImmutableArrayOrEmpty();
_service.RaiseDiagnosticsUpdated(
DiagnosticsUpdatedArgs.DiagnosticsCreated(new DefaultUpdateArgsId(_workspace.Kind, Semantic, document.Id),
_workspace, document.Project.Solution, document.Project.Id, document.Id, diagnosticData));
}
private bool ClearDiagnosticsReportedBySource(
IDiagnosticUpdateSource source,
List <DiagnosticsUpdatedArgs> removed
)
{
// we expect source who uses this ability to have small number of diagnostics.
lock (_gate)
{
Debug.Assert(_updateSources.Contains(source));
// 2 different workspaces (ex, PreviewWorkspaces) can return same Args.Id, we need to
// distinguish them. so we separate diagnostics per workspace map.
if (!_map.TryGetValue(source, out var workspaceMap))
{
return(false);
}
foreach (var(workspace, map) in workspaceMap)
{
foreach (var(id, data) in map)
{
removed.Add(
DiagnosticsUpdatedArgs.DiagnosticsRemoved(
id,
data.Workspace,
solution: null,
data.ProjectId,
data.DocumentId
)
);
}
}
// all diagnostics from the source is cleared
_map.Remove(source);
return(true);
}
}
public void RaiseDiagnosticsUpdated(DiagnosticsUpdatedArgs args)
{
this.DiagnosticsUpdated?.Invoke(this, args);
}
private void RaiseEmptyDiagnosticUpdated(AnalysisKind kind, DocumentId documentId)
{
_service.RaiseDiagnosticsUpdated(DiagnosticsUpdatedArgs.DiagnosticsRemoved(
new DefaultUpdateArgsId(_workspace.Kind, kind, documentId), _workspace, null, documentId.ProjectId, documentId));
}
private DiagnosticsUpdatedArgs MakeCreatedArgs(DiagnosticAnalyzer analyzer, ImmutableHashSet <DiagnosticData> items, Project project)
{
return(DiagnosticsUpdatedArgs.DiagnosticsCreated(
CreateId(analyzer, project), this.Workspace, project?.Solution, project?.Id, documentId: null, diagnostics: items.ToImmutableArray()));
}
private DiagnosticsUpdatedArgs MakeRemovedArgs(DiagnosticAnalyzer analyzer, Project project)
{
return(DiagnosticsUpdatedArgs.DiagnosticsRemoved(
CreateId(analyzer, project), this.Workspace, project?.Solution, project?.Id, documentId: null));
}
public void RaiseUpdateEvent(DiagnosticsUpdatedArgs args)
{
DiagnosticsUpdated?.Invoke(this, args);
}
public void LiveErrorZeroLengthSpan()
{
var workspaceXml =
@"<Workspace>
<Project Language=""C#"" CommonReferences=""true"">
<Document FilePath = ""Test.cs"" >
class Test
{
}
</Document>
</Project>
</Workspace>";
using (var workspace = TestWorkspaceFactory.CreateWorkspace(workspaceXml))
{
var document = workspace.Documents.First();
var updateArgs = new DiagnosticsUpdatedArgs(
new LiveId(), workspace, workspace.CurrentSolution, document.Project.Id, document.Id,
ImmutableArray.Create(
CreateDiagnosticData(workspace, document, new TextSpan(0, 0)),
CreateDiagnosticData(workspace, document, new TextSpan(0, 1))));
var spans = GetErrorsFromUpdateSource(workspace, document, updateArgs);
Assert.Equal(2, spans.Count());
var first = spans.First();
var second = spans.Last();
Assert.Equal(1, first.Span.Span.Length);
Assert.Equal(1, second.Span.Span.Length);
}
}
public void RaiseUpdateEvent(DiagnosticsUpdatedArgs args)
{
var handler = DiagnosticsUpdated;
if (handler != null)
{
handler(this, args);
}
}
private bool UpdateDataMap(IDiagnosticUpdateSource source, DiagnosticsUpdatedArgs args)
{
// we expect source who uses this ability to have small number of diagnostics.
lock (_gate)
{
Debug.Assert(_updateSources.Contains(source));
// The diagnostic service itself caches all diagnostics produced by the IDiagnosticUpdateSource's. As
// such, we want to grab all the diagnostics (regardless of push/pull setting) and cache inside
// ourselves. Later, when anyone calls GetDiagnostics or GetDiagnosticBuckets we will check if their
// push/pull request matches the current user setting and return these if appropriate.
var diagnostics = args.GetAllDiagnosticsRegardlessOfPushPullSetting();
// check cheap early bail out
if (diagnostics.Length == 0 && !_map.ContainsKey(source))
{
// no new diagnostic, and we don't have update source for it.
return(false);
}
// 2 different workspaces (ex, PreviewWorkspaces) can return same Args.Id, we need to
// distinguish them. so we separate diagnostics per workspace map.
var workspaceMap = _map.GetOrAdd(
source,
_ => new Dictionary <Workspace, Dictionary <object, Data> >()
);
if (diagnostics.Length == 0 && !workspaceMap.ContainsKey(args.Workspace))
{
// no new diagnostic, and we don't have workspace for it.
return(false);
}
var diagnosticDataMap = workspaceMap.GetOrAdd(
args.Workspace,
_ => new Dictionary <object, Data>()
);
diagnosticDataMap.Remove(args.Id);
if (diagnosticDataMap.Count == 0 && diagnostics.Length == 0)
{
workspaceMap.Remove(args.Workspace);
if (workspaceMap.Count == 0)
{
_map.Remove(source);
}
return(true);
}
if (diagnostics.Length > 0)
{
// save data only if there is a diagnostic
var data = source.SupportGetDiagnostics
? new Data(args)
: new Data(args, diagnostics);
diagnosticDataMap.Add(args.Id, data);
}
return(true);
}
}
public void OnAnalyzerLoadFailed(object sender, AnalyzerLoadFailureEventArgs e)
{
var reference = sender as AnalyzerFileReference;
if (reference == null)
{
return;
}
var diagnostic = AnalyzerHelper.CreateAnalyzerLoadFailureDiagnostic(reference.FullPath, e);
// diagnostic from host analyzer can never go away
var args = new DiagnosticsUpdatedArgs(
id: Tuple.Create(this, reference.FullPath, e.ErrorCode, e.TypeName),
workspace: PrimaryWorkspace.Workspace,
solution: null,
projectId: null,
documentId: null,
diagnostics: ImmutableArray.Create<DiagnosticData>(diagnostic));
_hostUpdateSource.RaiseDiagnosticsUpdated(args);
}
private void OnDiagnosticsUpdated(object sender, DiagnosticsUpdatedArgs e)
{
// document removed case. no reason to raise event
if (e.Solution == null)
{
return;
}
OnSuggestedActionsChanged(e.Workspace, e.DocumentId, e.Solution.WorkspaceVersion);
}
public void RaiseDiagnosticsUpdated(DiagnosticsUpdatedArgs args)
{
this.DiagnosticsUpdated?.Invoke(this, args);
}
private void OnDiagnosticsUpdated(object sender, DiagnosticsUpdatedArgs e)
{
RaiseDiagnosticsUpdated(sender, e);
}
private void OnDiagnosticsUpdated(object sender, DiagnosticsUpdatedArgs e)
{
AssertIfNull(e.Diagnostics);
RaiseDiagnosticsUpdated(sender, e);
}
internal void RaiseDiagnosticsUpdated(DiagnosticsUpdatedArgs state) => DiagnosticsUpdated?.Invoke(this, state);
internal void RaiseDiagnosticsUpdated(object sender, DiagnosticsUpdatedArgs state)
{
this.DiagnosticsUpdated?.Invoke(sender, state);
}
private void OnSuggestedActionsChanged(Workspace currentWorkspace, DocumentId currentDocumentId, int solutionVersion, DiagnosticsUpdatedArgs args = null)
{
// Explicitly hold onto the _subjectBuffer field in a local and use this local in this function to avoid crashes
// if this field happens to be cleared by Dispose() below. This is required since this code path involves code
// that can run on background thread.
var buffer = _subjectBuffer;
if (buffer == null)
{
return;
}
var workspace = buffer.GetWorkspace();
// workspace is not ready, nothing to do.
if (workspace == null || workspace != currentWorkspace)
{
return;
}
if (currentDocumentId != workspace.GetDocumentIdInCurrentContext(buffer.AsTextContainer()) ||
solutionVersion == Volatile.Read(ref _lastSolutionVersionReported))
{
return;
}
this.SuggestedActionsChanged?.Invoke(this, EventArgs.Empty);
Volatile.Write(ref _lastSolutionVersionReported, solutionVersion);
}
private void OnSuggestedActionsChanged(Workspace currentWorkspace, DocumentId currentDocumentId, int solutionVersion, DiagnosticsUpdatedArgs args = null)
{
if (_subjectBuffer == null)
{
return;
}
var workspace = _subjectBuffer.GetWorkspace();
// workspace is not ready, nothing to do.
if (workspace == null || workspace != currentWorkspace)
{
return;
}
if (currentDocumentId != workspace.GetDocumentIdInCurrentContext(_subjectBuffer.AsTextContainer()) ||
solutionVersion == Volatile.Read(ref _lastSolutionVersionReported))
{
return;
}
// make sure we only raise event once for same solution version.
// light bulb controller will call us back to find out new information
var changed = this.SuggestedActionsChanged;
if (changed != null)
{
changed(this, EventArgs.Empty);
}
Volatile.Write(ref _lastSolutionVersionReported, solutionVersion);
}