public CompletionSet GetCompletions(IGlyphService glyphService)
{
if (_snapshot == null)
{
return(null);
}
var start = _stopwatch.ElapsedMilliseconds;
var interactiveWindow = _snapshot.TextBuffer.GetInteractiveWindow();
var pyReplEval = interactiveWindow?.Evaluator as IPythonInteractiveIntellisense;
var bufferInfo = PythonTextBufferInfo.TryGetForBuffer(_textBuffer);
Debug.Assert(bufferInfo != null, "Getting completions from uninitialized buffer " + _textBuffer);
var analysis = bufferInfo?.AnalysisEntry;
var analyzer = analysis?.Analyzer;
if (analyzer == null)
{
return(null);
}
var point = _point.GetPoint(bufferInfo.CurrentSnapshot);
var location = VsProjectAnalyzer.TranslateIndex(
point.Position,
point.Snapshot,
analysis
);
var triggerChar = _session.GetTriggerCharacter();
var completions = analyzer.WaitForRequest(analyzer.GetCompletionsAsync(
analysis,
location,
_options.MemberOptions,
triggerChar == '\0' ? Analysis.LanguageServer.CompletionTriggerKind.Invoked : Analysis.LanguageServer.CompletionTriggerKind.TriggerCharacter,
triggerChar == '\0' ? null : triggerChar.ToString()
), "GetCompletions.GetMembers", null, pyReplEval?.Analyzer == null ? 1 : 5);
if (completions == null)
{
return(null);
}
var snapshotSpan = completions._applicableSpan.HasValue
? ((SourceSpan)completions._applicableSpan.Value).ToSnapshotSpan(_snapshot)
: new SnapshotSpan(point, 0);
_span = bufferInfo.CurrentSnapshot.CreateTrackingSpan(snapshotSpan, SpanTrackingMode.EdgeInclusive);
var members = completions.items.MaybeEnumerate().Select(c => new CompletionResult(
// if a method stub generation (best guess by comparing length),
// merge entry based on label, for everything else, use insertion text
c.filterText ?? (c.insertText != null && c.insertText.Length <= c.label.Length ? c.insertText : c.label),
c.label,
c.insertText ?? c.label,
c.documentation?.value,
Enum.TryParse(c._kind, true, out PythonMemberType mt) ? mt : PythonMemberType.Unknown,
null
));
if (pyReplEval?.Analyzer != null && (string.IsNullOrEmpty(completions._expr) || pyReplEval.Analyzer.ShouldEvaluateForCompletion(completions._expr)))
{
var replMembers = pyReplEval.GetMemberNames(completions._expr ?? "");
if (_services.Python.InteractiveOptions.LiveCompletionsOnly)
{
members = replMembers ?? Array.Empty <CompletionResult>();
}
else if (replMembers != null)
{
members = members.Union(replMembers, CompletionMergeKeyComparer.Instance);
}
}
if (pyReplEval == null && (completions._allowSnippet ?? false))
{
var expansions = analyzer.WaitForRequest(_services.Python?.GetExpansionCompletionsAsync(), "GetCompletions.GetExpansions", null, 5);
if (expansions != null)
{
// Expansions should come first, so that they replace our keyword
// completions with the more detailed snippets.
members = expansions.Union(members, CompletionMergeKeyComparer.Instance);
}
}
var end = _stopwatch.ElapsedMilliseconds;
if (/*Logging &&*/ (end - start) > TooMuchTime)
{
var memberArray = members.ToArray();
members = memberArray;
Trace.WriteLine($"{this} lookup time {end - start} for {memberArray.Length} members");
}
start = _stopwatch.ElapsedMilliseconds;
var result = new FuzzyCompletionSet(
"Python",
"Python",
_span,
members.Select(m => PythonCompletion(glyphService, m)),
_options,
CompletionComparer.UnderscoresLast,
matchInsertionText: true
)
{
CommitByDefault = completions._commitByDefault ?? true
};
end = _stopwatch.ElapsedMilliseconds;
if (/*Logging &&*/ (end - start) > TooMuchTime)
{
Trace.WriteLine($"{this} completion set time {end - start} total time {end - start}");
}
return(result);
}