Example #1
0
        protected IEnumerable <MemberResult> GetModules(string[] package, bool modulesOnly = true)
        {
            var analysis = GetAnalysisEntry();

            if (analysis == null)
            {
                return(Enumerable.Empty <MemberResult>());
            }

            IPythonReplIntellisense pyReplEval = null;
            IReplEvaluator          eval;

            if (TextBuffer.Properties.TryGetProperty <IReplEvaluator>(typeof(IReplEvaluator), out eval))
            {
                pyReplEval = eval as IPythonReplIntellisense;
            }
            IEnumerable <KeyValuePair <string, bool> > replScopes = null;

            if (pyReplEval != null)
            {
                replScopes = pyReplEval.GetAvailableScopesAndKind();
            }

            if (package == null)
            {
                package = new string[0];
            }

            var modules = Enumerable.Empty <MemberResult>();

            if (analysis != null && (pyReplEval == null || !pyReplEval.LiveCompletionsOnly))
            {
                modules = modules.Concat(package.Length > 0 ?
                                         analysis.GetModuleMembers(package, !modulesOnly) :
                                         analysis.GetModules(true).Distinct(CompletionComparer.MemberEquality)
                                         );
            }
            if (replScopes != null)
            {
                modules = GetModulesFromReplScope(replScopes, package)
                          .Concat(modules)
                          .Distinct(CompletionComparer.MemberEquality);
            }

            return(modules);
        }
        public override CompletionSet GetCompletions(IGlyphService glyphService)
        {
            var start1 = _stopwatch.ElapsedMilliseconds;

            IEnumerable <CompletionResult> members     = null;
            IEnumerable <CompletionResult> replMembers = null;

            IInteractiveEvaluator   eval;
            IPythonReplIntellisense pyReplEval = null;

            if (_snapshot.TextBuffer.Properties.TryGetProperty(typeof(IInteractiveEvaluator), out eval))
            {
                pyReplEval = eval as IPythonReplIntellisense;
            }

            var analysis = GetAnalysisEntry();

            string       text;
            SnapshotSpan statementRange;

            if (!GetPrecedingExpression(out text, out statementRange))
            {
                return(null);
            }
            else if (string.IsNullOrEmpty(text))
            {
                if (analysis != null)
                {
                    lock (_analyzer) {
                        var location = VsProjectAnalyzer.TranslateIndex(
                            statementRange.Start.Position,
                            statementRange.Snapshot,
                            analysis
                            );
                        var parameters = Enumerable.Empty <CompletionResult>();
                        var sigs       = VsProjectAnalyzer.GetSignaturesAsync(_serviceProvider, _snapshot, Span).WaitOrDefault(1000);
                        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 = (analysis.Analyzer.GetAllAvailableMembersAsync(analysis, location, _options.MemberOptions).WaitOrDefault(1000) ?? new CompletionResult[0])
                                  .Union(parameters, CompletionComparer.MemberEquality);
                    }
                }

                if (pyReplEval != null)
                {
                    replMembers = pyReplEval.GetMemberNames(string.Empty);
                }
            }
            else
            {
                if (analysis != null && (pyReplEval == null || !pyReplEval.LiveCompletionsOnly))
                {
                    lock (_analyzer) {
                        var location = VsProjectAnalyzer.TranslateIndex(
                            statementRange.Start.Position,
                            statementRange.Snapshot,
                            analysis
                            );

                        members = analysis.Analyzer.GetMembersAsync(analysis, text, location, _options.MemberOptions).WaitOrDefault(1000);
                    }
                }

                if (pyReplEval != null && _snapshot.TextBuffer.GetAnalyzer(_serviceProvider).ShouldEvaluateForCompletion(text))
                {
                    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);
        }