private async Task ResetStatesAsync()
{
try
{
if (!IsSolutionChanged())
{
return;
}
await RunAnalyzersAsync(this.Analyzers, this.Processor.CurrentSolution, (a, s, c) => a.NewSolutionSnapshotAsync(s, c), this.CancellationToken).ConfigureAwait(false);
foreach (var id in this.Processor.GetOpenDocumentIds())
{
AddHigherPriorityDocument(id);
}
SolutionCrawlerLogger.LogResetStates(this.Processor._logAggregator);
}
catch (Exception e) when(FatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
bool IsSolutionChanged()
{
var currentSolution = this.Processor.CurrentSolution;
var oldSolution = _lastSolution;
if (currentSolution == oldSolution)
{
return(false);
}
_lastSolution = currentSolution;
ResetLogAggregatorIfNeeded(currentSolution, oldSolution);
return(true);
}
void ResetLogAggregatorIfNeeded(Solution currentSolution, Solution oldSolution)
{
if (currentSolution == null || oldSolution == null ||
currentSolution.Id == oldSolution.Id)
{
// we log aggregated info when solution is changed such as
// new solution is opened or solution is closed
return;
}
// this log things like how many time we analyzed active files, how many times other files are analyzed,
// avg time to analyze files, how many solution snapshot got analyzed and etc.
// all accumultation is done in VS side and we only send statistics to VS telemetry otherwise, it is too much
// data to send
SolutionCrawlerLogger.LogIncrementalAnalyzerProcessorStatistics(
this.Processor._registration.CorrelationId, oldSolution, this.Processor._logAggregator, this.Analyzers);
this.Processor.ResetLogAggregator();
}
}
public override void Shutdown()
{
base.Shutdown();
SolutionCrawlerLogger.LogIncrementalAnalyzerProcessorStatistics(this.Processor._registration.CorrelationId, this.Processor.CurrentSolution, this.Processor._logAggregator, this.Analyzers);
_workItemQueue.Dispose();
if (_projectCache != null)
{
_projectCache.Dispose();
_projectCache = null;
}
}