public void Analyze(Deque <AnalysisUnit> queue, CancellationToken cancel, Action <int> reportQueueSize = null, int reportQueueInterval = 1)
{
if (cancel.IsCancellationRequested)
{
return;
}
try {
// Including a marker at the end of the queue allows us to see in
// the log how frequently the queue empties.
var endOfQueueMarker = new AnalysisUnit(null, null);
int queueCountAtStart = queue.Count;
int reportInterval = reportQueueInterval - 1;
if (queueCountAtStart > 0)
{
queue.Append(endOfQueueMarker);
}
while (queue.Count > 0 && !cancel.IsCancellationRequested)
{
_unit = queue.PopLeft();
if (_unit == endOfQueueMarker)
{
AnalysisLog.EndOfQueue(queueCountAtStart, queue.Count);
if (reportInterval < 0 && reportQueueSize != null)
{
reportQueueSize(queue.Count);
}
queueCountAtStart = queue.Count;
if (queueCountAtStart > 0)
{
queue.Append(endOfQueueMarker);
}
continue;
}
AnalysisLog.Dequeue(queue, _unit);
if (reportInterval == 0 && reportQueueSize != null)
{
reportQueueSize(queue.Count);
reportInterval = reportQueueInterval - 1;
}
else if (reportInterval > 0)
{
reportInterval -= 1;
}
_unit.IsInQueue = false;
SetCurrentUnit(_unit);
AnalyzedEntries.Add(_unit.ProjectEntry);
_unit.Analyze(this, cancel);
}
if (reportQueueSize != null)
{
reportQueueSize(0);
}
if (cancel.IsCancellationRequested)
{
AnalysisLog.Cancelled(queue);
}
} finally {
AnalysisLog.Flush();
AnalyzedEntries.Remove(null);
}
}