private static async Task<bool> ShouldRunAnalyzerForStateTypeAsync(DiagnosticAnalyzerDriver driver, DiagnosticAnalyzer analyzer, StateType stateTypeId,
ImmutableHashSet<string> diagnosticIds = null, Func<DiagnosticAnalyzer, ImmutableArray<DiagnosticDescriptor>> getDescriptors = null)
{
Debug.Assert(!driver.IsAnalyzerSuppressed(analyzer));
if (diagnosticIds != null && getDescriptors(analyzer).All(d => !diagnosticIds.Contains(d.Id)))
{
return false;
}
switch (stateTypeId)
{
case StateType.Syntax:
return await analyzer.SupportsSyntaxDiagnosticAnalysisAsync(driver).ConfigureAwait(false);
case StateType.Document:
return await analyzer.SupportsSemanticDiagnosticAnalysisAsync(driver).ConfigureAwait(false);
case StateType.Project:
return await analyzer.SupportsProjectDiagnosticAnalysisAsync(driver).ConfigureAwait(false);
default:
throw ExceptionUtilities.Unreachable;
}
}
private async Task AnalyzeProjectAsync(Project project, ImmutableHashSet<string> diagnosticIds, bool skipClosedFileChecks, CancellationToken cancellationToken)
{
try
{
if (!skipClosedFileChecks && !CheckOption(project.Solution.Workspace, project.Language, documentOpened: project.Documents.Any(d => d.IsOpen())))
{
return;
}
var projectTextVersion = await project.GetLatestDocumentVersionAsync(cancellationToken).ConfigureAwait(false);
var semanticVersion = await project.GetDependentSemanticVersionAsync(cancellationToken).ConfigureAwait(false);
var projectVersion = await project.GetDependentVersionAsync(cancellationToken).ConfigureAwait(false);
var analyzerDriver = new DiagnosticAnalyzerDriver(project, this, cancellationToken);
var versions = new VersionArgument(projectTextVersion, semanticVersion, projectVersion);
foreach (var stateSet in _stateManger.GetOrUpdateStateSets(project))
{
if (analyzerDriver.IsAnalyzerSuppressed(stateSet.Analyzer))
{
await HandleSuppressedAnalyzerAsync(project, stateSet, cancellationToken).ConfigureAwait(false);
}
else if (await ShouldRunAnalyzerForStateTypeAsync(analyzerDriver, stateSet.Analyzer, StateType.Project, diagnosticIds).ConfigureAwait(false) &&
(skipClosedFileChecks || ShouldRunAnalyzerForClosedFile(openedDocument: false, analyzer: stateSet.Analyzer)))
{
var data = await _executor.GetProjectAnalysisDataAsync(analyzerDriver, stateSet, versions).ConfigureAwait(false);
if (data.FromCache)
{
RaiseProjectDiagnosticsUpdated(project, stateSet, data.Items);
continue;
}
var state = stateSet.GetState(StateType.Project);
await PersistProjectData(project, state, data).ConfigureAwait(false);
RaiseProjectDiagnosticsUpdatedIfNeeded(project, stateSet, data.OldItems, data.Items);
}
}
}
catch (Exception e) when (FatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
private async Task AnalyzeBodyDocumentAsync(Document document, SyntaxNode member, VersionArgument versions, CancellationToken cancellationToken)
{
try
{
// syntax facts service must exist, otherwise, this method won't have called.
var syntaxFacts = document.Project.LanguageServices.GetService<ISyntaxFactsService>();
var root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var memberId = syntaxFacts.GetMethodLevelMemberId(root, member);
var spanBasedDriver = new DiagnosticAnalyzerDriver(document, member.FullSpan, root, this, cancellationToken);
var documentBasedDriver = new DiagnosticAnalyzerDriver(document, root.FullSpan, root, this, cancellationToken);
foreach (var stateSet in _stateManger.GetOrUpdateStateSets(document.Project))
{
if (spanBasedDriver.IsAnalyzerSuppressed(stateSet.Analyzer))
{
await HandleSuppressedAnalyzerAsync(document, stateSet, StateType.Document, cancellationToken).ConfigureAwait(false);
}
else if (await ShouldRunAnalyzerForStateTypeAsync(spanBasedDriver, stateSet.Analyzer, StateType.Document).ConfigureAwait(false))
{
var supportsSemanticInSpan = await stateSet.Analyzer.SupportsSpanBasedSemanticDiagnosticAnalysisAsync(spanBasedDriver).ConfigureAwait(false);
var userDiagnosticDriver = supportsSemanticInSpan ? spanBasedDriver : documentBasedDriver;
var ranges = _memberRangeMap.GetSavedMemberRange(stateSet.Analyzer, document);
var data = await _executor.GetDocumentBodyAnalysisDataAsync(
stateSet, versions, userDiagnosticDriver, root, member, memberId, supportsSemanticInSpan, ranges).ConfigureAwait(false);
_memberRangeMap.UpdateMemberRange(stateSet.Analyzer, document, versions.TextVersion, memberId, member.FullSpan, ranges);
var state = stateSet.GetState(StateType.Document);
await state.PersistAsync(document, data.ToPersistData(), cancellationToken).ConfigureAwait(false);
if (data.FromCache)
{
RaiseDiagnosticsUpdated(StateType.Document, document.Id, stateSet, new SolutionArgument(document), data.Items);
continue;
}
RaiseDocumentDiagnosticsUpdatedIfNeeded(StateType.Document, document, stateSet, data.OldItems, data.Items);
}
}
}
catch (Exception e) when (FatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
private async Task AnalyzeDocumentAsync(Document document, VersionArgument versions, ImmutableHashSet<string> diagnosticIds, bool skipClosedFileChecks, CancellationToken cancellationToken)
{
try
{
var root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var fullSpan = root == null ? null : (TextSpan?)root.FullSpan;
var userDiagnosticDriver = new DiagnosticAnalyzerDriver(document, fullSpan, root, this, cancellationToken);
bool openedDocument = document.IsOpen();
foreach (var stateSet in _stateManger.GetOrUpdateStateSets(document.Project))
{
if (userDiagnosticDriver.IsAnalyzerSuppressed(stateSet.Analyzer))
{
await HandleSuppressedAnalyzerAsync(document, stateSet, StateType.Document, cancellationToken).ConfigureAwait(false);
}
else if (await ShouldRunAnalyzerForStateTypeAsync(userDiagnosticDriver, stateSet.Analyzer, StateType.Document, diagnosticIds).ConfigureAwait(false) &&
(skipClosedFileChecks || ShouldRunAnalyzerForClosedFile(openedDocument, stateSet.Analyzer)))
{
var data = await _executor.GetDocumentAnalysisDataAsync(userDiagnosticDriver, stateSet, versions).ConfigureAwait(false);
if (data.FromCache)
{
RaiseDiagnosticsUpdated(StateType.Document, document.Id, stateSet, new SolutionArgument(document), data.Items);
continue;
}
if (openedDocument)
{
_memberRangeMap.Touch(stateSet.Analyzer, document, versions.TextVersion);
}
var state = stateSet.GetState(StateType.Document);
await state.PersistAsync(document, data.ToPersistData(), cancellationToken).ConfigureAwait(false);
RaiseDocumentDiagnosticsUpdatedIfNeeded(StateType.Document, document, stateSet, data.OldItems, data.Items);
}
}
}
catch (Exception e) when (FatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
private bool SkipRunningAnalyzer(
CompilationOptions compilationOptions,
DiagnosticAnalyzerDriver userDiagnosticDriver,
bool openedDocument,
bool skipClosedFileChecks,
StateSet stateSet)
{
if (userDiagnosticDriver.IsAnalyzerSuppressed(stateSet.Analyzer))
{
return true;
}
if (skipClosedFileChecks)
{
return false;
}
if (ShouldRunAnalyzerForClosedFile(compilationOptions, openedDocument, stateSet.Analyzer))
{
return false;
}
return true;
}
