public override CompletionSet GetCompletions(IGlyphService glyphService)
{
var start1 = _stopwatch.ElapsedMilliseconds;
IEnumerable <CompletionResult> members = null;
IEnumerable <CompletionResult> replMembers = null;
var interactiveWindow = _snapshot.TextBuffer.GetInteractiveWindow();
var pyReplEval = interactiveWindow?.Evaluator as IPythonInteractiveIntellisense;
var analysis = GetAnalysisEntry();
string text;
SnapshotSpan statementRange;
if (!GetPrecedingExpression(out text, out statementRange))
{
return(null);
}
else if (string.IsNullOrEmpty(text))
{
if (analysis != null)
{
Debug.Assert(analysis.Analyzer == _analyzer);
lock (_analyzer) {
var location = VsProjectAnalyzer.TranslateIndex(
statementRange.Start.Position,
statementRange.Snapshot,
analysis
);
var parameters = Enumerable.Empty <CompletionResult>();
var sigs = _analyzer.WaitForRequest(_analyzer.GetSignaturesAsync(analysis, View, _snapshot, Span), "GetCompletions.GetSignatures");
if (sigs != null && sigs.Signatures.Any())
{
parameters = sigs.Signatures
.SelectMany(s => s.Parameters)
.Select(p => p.Name)
.Distinct()
.Select(n => new CompletionResult(n, PythonMemberType.Field));
}
members = _analyzer.WaitForRequest(_analyzer.GetAllAvailableMembersAsync(analysis, location, _options.MemberOptions), "GetCompletions.GetAllAvailableMembers")
.MaybeEnumerate()
.Union(parameters, CompletionComparer.MemberEquality);
}
}
if (pyReplEval == null)
{
var expansions = _analyzer.WaitForRequest(_serviceProvider.GetPythonToolsService().GetExpansionCompletionsAsync(), "GetCompletions.GetExpansionCompletions");
if (expansions != null)
{
// Expansions should come first, so that they replace our keyword
// completions with the more detailed snippets.
if (members != null)
{
members = expansions.Union(members, CompletionComparer.MemberEquality);
}
else
{
members = expansions;
}
}
}
if (pyReplEval != null)
{
replMembers = pyReplEval.GetMemberNames(string.Empty);
}
}
else
{
if (analysis != null && (pyReplEval == null || !pyReplEval.LiveCompletionsOnly))
{
Debug.Assert(analysis.Analyzer == _analyzer);
lock (_analyzer) {
var location = VsProjectAnalyzer.TranslateIndex(
statementRange.Start.Position,
statementRange.Snapshot,
analysis
);
members = _analyzer.WaitForRequest(_analyzer.GetMembersAsync(analysis, text, location, _options.MemberOptions), "GetCompletions.GetMembers");
}
}
if (pyReplEval != null && _analyzer.ShouldEvaluateForCompletion(text))
{
Debug.Assert(pyReplEval.Analyzer == _analyzer);
replMembers = pyReplEval.GetMemberNames(text);
}
}
if (replMembers != null)
{
if (members != null)
{
members = members.Union(replMembers, CompletionComparer.MemberEquality);
}
else
{
members = replMembers;
}
}
var end = _stopwatch.ElapsedMilliseconds;
if (/*Logging &&*/ (end - start1) > TooMuchTime)
{
if (members != null)
{
var memberArray = members.ToArray();
members = memberArray;
Trace.WriteLine(String.Format("{0} lookup time {1} for {2} members", this, end - start1, members.Count()));
}
else
{
Trace.WriteLine(String.Format("{0} lookup time {1} for zero members", this, end - start1));
}
}
if (members == null)
{
// The expression is invalid so we shouldn't provide
// a completion set at all.
return(null);
}
var start = _stopwatch.ElapsedMilliseconds;
var result = new FuzzyCompletionSet(
"Python",
"Python",
Span,
members.Select(m => PythonCompletion(glyphService, m)),
_options,
CompletionComparer.UnderscoresLast,
matchInsertionText: true
);
end = _stopwatch.ElapsedMilliseconds;
if (/*Logging &&*/ (end - start1) > TooMuchTime)
{
Trace.WriteLine(String.Format("{0} completion set time {1} total time {2}", this, end - start, end - start1));
}
return(result);
}