public static void DoTriggerCompletion(IntellisenseController controller, CompletionInfoType infoType, bool signatureHelpOnly, IntellisenseInvocationType invocationType)
{
Contract.Requires<ArgumentNullException>(controller != null, "controller");
var completionInfo = controller.CompletionInfo;
ITextView textView = controller.TextView;
SnapshotPoint? point = textView.Caret.Position.Point.GetPoint(textView.TextBuffer, PositionAffinity.Predecessor);
if (point.HasValue)
{
ITrackingPoint trackingPoint = textView.TextBuffer.CurrentSnapshot.CreateTrackingPoint(point.Value.Position, PointTrackingMode.Positive);
if (!signatureHelpOnly)
{
controller.TriggerCompletion(trackingPoint, infoType, invocationType);
DoCallMatch(controller);
}
if (signatureHelpOnly /*|| (completionInfo.CompletionFlags & CompletionFlags.HasParameterInfo) != 0*/)
{
controller.TriggerSignatureHelp(trackingPoint);
}
if (controller.CompletionSession != null)
{
controller.IntellisenseSessionStack.MoveSessionToTop(controller.CompletionSession);
}
}
}
public virtual void TriggerCompletion(ITrackingPoint triggerPoint, CompletionInfoType completionInfoType, IntellisenseInvocationType intellisenseInvocationType)
{
DismissCompletion();
CompletionInfo.InfoType = completionInfoType;
CompletionInfo.InvocationType = intellisenseInvocationType;
ICompletionSession session = Provider.CompletionBroker.TriggerCompletion(TextView, triggerPoint, true);
if (session != null)
{
session.Committed += HandleCompletionCommitted;
session.Dismissed += HandleCompletionDismissed;
CompletionSession = session;
if (completionInfoType == CompletionInfoType.GlobalInfo &&
!session.IsDismissed &&
session.SelectedCompletionSet.SelectionStatus.IsSelected &&
session.SelectedCompletionSet.SelectionStatus.IsUnique)
{
session.Commit();
}
}
}
public override void AugmentCompletionSession(ICompletionSession session, IList <CompletionSet> completionSets)
{
if (session == null || completionSets == null)
{
return;
}
ITrackingPoint triggerPoint = session.GetTriggerPoint(TextBuffer);
if (triggerPoint != null)
{
IntellisenseController controller = GetControllerForView(session.TextView);
CompletionInfo completionInfo = controller.CompletionInfo;
ITextSnapshot snapshot = triggerPoint.TextBuffer.CurrentSnapshot;
SnapshotPoint point = triggerPoint.GetPoint(snapshot);
bool extendLeft = false;
bool extend = true;
// labels includes both implicit and explicit labels
var labels = FindLabelsInScope(point);
IntellisenseInvocationType invocationType = completionInfo.InvocationType;
CompletionInfoType infoType = completionInfo.InfoType;
switch (invocationType)
{
case IntellisenseInvocationType.Default:
extend = infoType == CompletionInfoType.GlobalInfo;
break;
case IntellisenseInvocationType.BackspaceDeleteOrBackTab:
case IntellisenseInvocationType.IdentifierChar:
case IntellisenseInvocationType.Sharp:
case IntellisenseInvocationType.Space:
case IntellisenseInvocationType.ShowMemberList:
break;
default:
extendLeft = true;
break;
}
TextExtent extentOfWord = default(TextExtent);
if (extend)
{
ITextBuffer textBuffer = TextBuffer;
ITextStructureNavigator navigator = TextStructureNavigatorSelectorService.CreateTextStructureNavigator(textBuffer, textBuffer.ContentType);
SnapshotPoint currentPosition = new SnapshotPoint(snapshot, triggerPoint.GetPosition(snapshot));
extentOfWord = navigator.GetExtentOfWord(currentPosition);
if (extentOfWord.Span.Start == point)
{
TextExtent extentOfPreviousWord = navigator.GetExtentOfWord(currentPosition - 1);
if (extentOfPreviousWord.IsSignificant && extentOfPreviousWord.Span.End == point && IsCompletionPrefix(extentOfPreviousWord))
{
extentOfWord = extentOfPreviousWord;
}
else
{
extend = false;
}
}
}
if (!extend || !extentOfWord.IsSignificant)
{
SnapshotSpan span = new SnapshotSpan(point, 0);
extentOfWord = new TextExtent(span, false);
}
if (invocationType == IntellisenseInvocationType.BackspaceDeleteOrBackTab && extentOfWord.Span.Length > 0)
{
string str3 = snapshot.GetText(extentOfWord.Span);
if (!string.IsNullOrWhiteSpace(str3))
{
while (CommitCharacters.IndexOf(str3[0]) > 0)
{
SnapshotSpan span2 = extentOfWord.Span;
SnapshotSpan span3 = new SnapshotSpan(snapshot, span2.Start + 1, span2.Length - 1);
extentOfWord = new TextExtent(span3, false);
str3 = snapshot.GetText(extentOfWord.Span);
if (string.IsNullOrEmpty(str3))
{
break;
}
}
}
else
{
SnapshotSpan span4 = new SnapshotSpan(snapshot, extentOfWord.Span.End, 0);
extentOfWord = new TextExtent(span4, false);
completionInfo.InvocationType = IntellisenseInvocationType.Default;
}
}
if (completionInfo.InfoType == CompletionInfoType.AutoListMemberInfo && extentOfWord.Span.GetText().StartsWith("$") && labels.Count == 0)
{
session.Dismiss();
return;
}
ITrackingSpan applicableTo = snapshot.CreateTrackingSpan(extentOfWord.Span, SpanTrackingMode.EdgeInclusive, TrackingFidelityMode.Forward);
if (extendLeft)
{
SnapshotSpan textSoFarSpan = new SnapshotSpan(snapshot, extentOfWord.Span.Start, triggerPoint.GetPoint(snapshot));
string textSoFar = textSoFarSpan.GetText();
applicableTo = snapshot.CreateTrackingSpan(point.Position - textSoFar.Length, textSoFar.Length, SpanTrackingMode.EdgeInclusive, TrackingFidelityMode.Forward);
}
IEnumerable <Completion> context = GetContextCompletions(triggerPoint.GetPoint(snapshot), (AntlrIntellisenseController)controller, session);
IEnumerable <Completion> keywords = GetKeywordCompletions();
IEnumerable <Completion> snippets = GetSnippetCompletions();
IEnumerable <Completion> labelCompletions = GetLabelCompletions(labels);
//SnapshotSpan? Provider.IntellisenseCache.GetExpressionSpan(triggerPoint.GetPoint(snapshot));
IEnumerable <Completion> completions = context.Concat(keywords).Concat(snippets).Concat(labelCompletions);
IEnumerable <Completion> orderedCompletions = completions.Distinct(CompletionDisplayNameComparer.CurrentCulture).OrderBy(i => i.DisplayText, StringComparer.CurrentCultureIgnoreCase);
CompletionSet completionSet = new CompletionSet("AntlrCompletions", "Antlr Completions", applicableTo, orderedCompletions, EmptyCompletions);
completionSets.Add(completionSet);
}
}
void ITvlIntellisenseController.TriggerCompletion(ITrackingPoint triggerPoint, CompletionInfoType completionInfoType, IntellisenseInvocationType intellisenseInvocationType)
{
Contract.Requires <ArgumentNullException>(triggerPoint != null, "triggerPoint");
throw new NotImplementedException();
}
public virtual void TriggerCompletion(ITrackingPoint triggerPoint, CompletionInfoType completionInfoType, IntellisenseInvocationType intellisenseInvocationType)
{
DismissCompletion();
CompletionInfo.InfoType = completionInfoType;
CompletionInfo.InvocationType = intellisenseInvocationType;
ICompletionSession session = Provider.CompletionBroker.TriggerCompletion(TextView, triggerPoint, true);
if (session != null)
{
session.Committed += HandleCompletionCommitted;
session.Dismissed += HandleCompletionDismissed;
CompletionSession = session;
if (completionInfoType == CompletionInfoType.GlobalInfo
&& !session.IsDismissed
&& session.SelectedCompletionSet.SelectionStatus.IsSelected
&& session.SelectedCompletionSet.SelectionStatus.IsUnique)
{
session.Commit();
}
}
}
void ITvlIntellisenseController.TriggerCompletion(ITrackingPoint triggerPoint, CompletionInfoType completionInfoType, IntellisenseInvocationType intellisenseInvocationType)
{
Contract.Requires<ArgumentNullException>(triggerPoint != null, "triggerPoint");
throw new NotImplementedException();
}
public static void DoTriggerCompletion(IntellisenseController controller, CompletionInfoType infoType, bool signatureHelpOnly, IntellisenseInvocationType invocationType)
{
Contract.Requires <ArgumentNullException>(controller != null, "controller");
var completionInfo = controller.CompletionInfo;
ITextView textView = controller.TextView;
SnapshotPoint?point = textView.Caret.Position.Point.GetPoint(textView.TextBuffer, PositionAffinity.Predecessor);
if (point.HasValue)
{
ITrackingPoint trackingPoint = textView.TextBuffer.CurrentSnapshot.CreateTrackingPoint(point.Value.Position, PointTrackingMode.Positive);
if (!signatureHelpOnly)
{
controller.TriggerCompletion(trackingPoint, infoType, invocationType);
DoCallMatch(controller);
}
if (signatureHelpOnly /*|| (completionInfo.CompletionFlags & CompletionFlags.HasParameterInfo) != 0*/)
{
controller.TriggerSignatureHelp(trackingPoint);
}
if (controller.CompletionSession != null)
{
controller.IntellisenseSessionStack.MoveSessionToTop(controller.CompletionSession);
}
}
}
