public void ExecuteAnalysis(string path, string charset, IEnumerable <AnalysisLanguage> detectedLanguages, IIssueConsumer consumer, ProjectItem projectItem)
{
Debug.Assert(IsAnalysisSupported(detectedLanguages));
var request = CFamilyHelper.CreateRequest(logger, projectItem, path, cFamilyRulesConfigProvider);
if (request == null)
{
return;
}
TriggerAnalysisAsync(request, consumer)
.Forget(); // fire and forget
}
private async Task TriggerAnalysisAsync(Request request, IIssueConsumer consumer, CancellationToken cancellationToken)
{
// For notes on VS threading, see https://github.com/microsoft/vs-threading/blob/master/doc/cookbook_vs.md
// Note: we support multiple versions of VS which prevents us from using some threading helper methods
// that are only available in newer versions of VS e.g. [Import] IThreadHandling.
// Switch a background thread
await TaskScheduler.Default;
logger.WriteLine($"Analyzing {request.File}");
// We're tying up a background thread waiting for out-of-process analysis. We could
// change the process runner so it works asynchronously. Alternatively, we could change the
// RequestAnalysis method to be synchronous, rather than fire-and-forget.
var response = CFamilyHelper.CallClangAnalyzer(request, new ProcessRunner(settings, logger), logger, cancellationToken);
if (response != null)
{
Debug.Assert(response.Messages.All(m => m.Filename == request.File), "Issue for unexpected file returned");
var issues = response.Messages
.Where(m => IsIssueForActiveRule(m, request.RulesConfiguration))
.Select(m => CFamilyHelper.ToSonarLintIssue(m, request.CFamilyLanguage, request.RulesConfiguration))
.ToList();
telemetryManager.LanguageAnalyzed(request.CFamilyLanguage); // different keys for C and C++
logger.WriteLine($"Found {issues.Count} issue(s)");
// Switch back to the UI thread
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
// Note: the file being analyzed might have been closed by the time the analysis results are
// returned. This doesn't cause a crash; all active taggers will have been detached from the
// TextBufferIssueTracker when the file was closed, but the TextBufferIssueTracker will
// still exist and handle the call.
consumer.Accept(request.File, issues);
}
}
.Forget(); // fire and forget
protected /* for testing */ virtual void CallSubProcess(Action <Message> handleMessage, Request request, ISonarLintSettings settings, ILogger logger, CancellationToken cancellationToken)
{
CFamilyHelper.CallClangAnalyzer(handleMessage, request, new ProcessRunner(settings, logger), logger, cancellationToken);
}
protected /* for testing */ virtual Request CreateRequest(ILogger logger, ProjectItem projectItem, string absoluteFilePath, ICFamilyRulesConfigProvider cFamilyRulesConfigProvider, IAnalyzerOptions analyzerOptions) => CFamilyHelper.CreateRequest(logger, projectItem, absoluteFilePath, cFamilyRulesConfigProvider, analyzerOptions);