internal void EnqueueItem(IDocument doc, AnalysisPriority priority = AnalysisPriority.Normal, bool enqueueForAnalysis = true)
{
ThrowIfDisposed();
var pending = _pendingAnalysisEnqueue.Incremented();
try {
Task <IAnalysisCookie> cookieTask;
using (GetDocumentParseCounter(doc, out var count)) {
if (count > 3)
{
// Rough check to prevent unbounded queueing. If we have
// multiple parses in queue, we will get the latest doc
// version in one of the ones to come.
return;
}
TraceMessage($"Parsing document {doc.DocumentUri}");
cookieTask = _parseQueue.Enqueue(doc, Analyzer.LanguageVersion);
}
if (doc is ProjectEntry entry)
{
entry.ResetCompleteAnalysis();
}
AnalysisQueued(doc.DocumentUri);
// The call must be fire and forget, but should not be yielding.
// It is called from DidChangeTextDocument which must fully finish
// since otherwise Complete() may come before the change is enqueued
// for processing and the completion list will be driven off the stale data.
var p = pending;
cookieTask.ContinueWith(t => {
if (t.IsFaulted)
{
// Happens when file got deleted before processing
p.Dispose();
LogMessage(MessageType.Error, t.Exception.Message);
return;
}
OnDocumentChangeProcessingComplete(doc, t.Result as VersionCookie, enqueueForAnalysis, priority, p);
}).DoNotWait();
pending = null;
} finally {
pending?.Dispose();
}
}
