private bool TryRegisterAutocompleteServer()
{
Object sessionRValueValue = GetSession();
bool returnValue = false;
if (sessionRValueValue != null && sessionRValueValue != sessionCache)
{
AutocompleteService autocompleteService = AutocompleteClient.GetAutocompleteService();
if (autocompleteService != null)
{
try
{
((IClientChannel)autocompleteService).Close();
}
catch { }
}
sessionCache = sessionRValueValue;
MethodInfo methodInfo = fsiAssembly.GetType("Microsoft.VisualStudio.FSharp.Interactive.Session+Session").GetMethod("get_Input");
dynamic fsiProcess = methodInfo.Invoke((Object)sessionRValueValue, null);
fsiProcess.Invoke("printfn \"Registering Autocomplete provider\";;");
fsiProcess.Invoke(String.Format("#r \"{0}\";;", typeof(AutocompleteServer).Assembly.Location));
fsiProcess.Invoke(String.Format("FSharp.Interactive.Intellisense.Lib.AutocompleteServer.StartServer({0});;", sessionRValueValue.GetHashCode()));
returnValue = true;
System.Threading.Tasks.Task.Delay(4000).ContinueWith((t) =>
{
// activate session
try
{
autocompleteService = AutocompleteClient.SetAutocompleteServiceChannel(sessionRValueValue.GetHashCode());
autocompleteService.Ping();
var comple = autocompleteService.GetCompletions("sys", IntellisenseProviderType.Combined);
fsiProcess.Invoke("printfn \"Autocomplete provider registration complete\";;");
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
});
}
else
{
AutocompleteService autocompleteService = AutocompleteClient.GetAutocompleteService();
if (autocompleteService != null)
{
try
{
autocompleteService.Ping();
}
catch { }
}
}
return(returnValue);
}
void ICompletionSource.AugmentCompletionSession(ICompletionSession session, IList <CompletionSet> completionSets)
{
ITextSnapshot snapshot = textBuffer.CurrentSnapshot;
SnapshotPoint?triggerPoint = session.GetTriggerPoint(snapshot);
if (triggerPoint == null)
{
return;
}
SnapshotPoint end = triggerPoint.Value;
SnapshotPoint start = end;
// go back to either a delimiter, a whitespace char or start of line.
while (start > 0)
{
SnapshotPoint prev = start - 1;
if (IsWhiteSpaceOrDelimiter(prev.GetChar()))
{
break;
}
start += -1;
}
var span = new SnapshotSpan(start, end);
// The ApplicableTo span is what text will be replaced by the completion item
ITrackingSpan applicableTo1 = snapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeInclusive);
String statement = applicableTo1.GetText(applicableTo1.TextBuffer.CurrentSnapshot);
AutocompleteService autocomplteService = AutocompleteClient.GetAutocompleteService();
IEnumerable <StatementCompletion> completions = new List <StatementCompletion>();
if (autocomplteService != null)
{
try
{
completions = autocomplteService.GetCompletions(statement, intellisenseProviderType);
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
}
compList = new List <Completion>();
bool prependDot = statement.EndsWith(".");
foreach (StatementCompletion completion in completions)
{
//StatementCompletion completion = StatementCompletion.FromTuple(tuple.Item1, tuple.Item2);
string str = completion.Text;
var glyph = sourceProvider.GlyphService.GetGlyph(CompletionTypeToStandardGlyphGroup(completion.CompletionType),
StandardGlyphItem.GlyphItemPublic);
compList.Add(new Completion(str, prependDot ? "." + str : str, str, glyph, null));
}
var applicableTo = FindTokenSpanAtPosition(session.GetTriggerPoint(textBuffer),
session);
CompletionSet completionSet = new CompletionSet(
"F# completions", //the non-localized title of the tab
"F# completions", //the display title of the tab
applicableTo,
compList,
null);
// Following code doesn't work:
//ExposedObject.From(completionSet)._filterMatchType =
// Microsoft.VisualStudio.Language.Intellisense.CompletionMatchType.MatchInsertionText;
completionSets.Add(completionSet);
}