public void AugmentPeekSession(IPeekSession session, IList <IPeekableItem> peekableItems)
{
try
{
XSharpModel.ModelWalker.Suspend();
if (!string.Equals(session.RelationshipName, PredefinedPeekRelationships.Definitions.Name, StringComparison.OrdinalIgnoreCase))
{
return;
}
//
var tp = session.GetTriggerPoint(_textBuffer.CurrentSnapshot);
if (!tp.HasValue)
{
return;
}
//
var triggerPoint = tp.Value;
IToken stopToken;
//
// Check if we can get the member where we are
XSharpModel.XTypeMember member = XSharpLanguage.XSharpTokenTools.FindMember(triggerPoint.GetContainingLine().LineNumber, _file);
XSharpModel.XType currentNamespace = XSharpLanguage.XSharpTokenTools.FindNamespace(triggerPoint.Position, _file);
var lineNumber = triggerPoint.GetContainingLine().LineNumber;
var snapshot = _textBuffer.CurrentSnapshot;
List <String> tokenList = XSharpTokenTools.GetTokenList(triggerPoint.Position, lineNumber, snapshot, out stopToken, false, _file, false, member);
// LookUp for the BaseType, reading the TokenList (From left to right)
CompletionElement gotoElement;
String currentNS = "";
if (currentNamespace != null)
{
currentNS = currentNamespace.Name;
}
XSharpModel.CompletionType cType = XSharpLanguage.XSharpTokenTools.RetrieveType(_file, tokenList, member, currentNS, stopToken, out gotoElement, snapshot, lineNumber, _file.Project.Dialect);
//
if ((gotoElement != null) && (gotoElement.XSharpElement != null))
{
peekableItems.Add(new XSharpDefinitionPeekItem(gotoElement.XSharpElement, _peekResultFactory));
}
}
catch (Exception ex)
{
XSharpProjectPackage.Instance.DisplayOutPutMessage("XSharpPeekItemSource.AugmentPeekSession failed : ");
XSharpProjectPackage.Instance.DisplayException(ex);
}
finally
{
XSharpModel.ModelWalker.Resume();
}
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (!XSharpProjectPackage.Instance.DebuggerIsRunning)
{
try
{
XSharpModel.ModelWalker.Suspend();
var package = XSharp.Project.XSharpProjectPackage.Instance;
var optionsPage = package.GetIntellisenseOptionsPage();
if (optionsPage.DisableQuickInfo)
{
return;
}
// Map the trigger point down to our buffer.
SnapshotPoint?subjectTriggerPoint = session.GetTriggerPoint(_subjectBuffer.CurrentSnapshot);
if (!subjectTriggerPoint.HasValue)
{
return;
}
ITextSnapshot currentSnapshot = subjectTriggerPoint.Value.Snapshot;
if (subjectTriggerPoint.Value.Position == lastTriggerPoint)
{
if (!string.IsNullOrEmpty(lastHelp))
{
qiContent.Add(lastHelp);
}
if (lastSpan != null)
{
applicableToSpan = currentSnapshot.CreateTrackingSpan(
lastSpan.GetSpan(currentSnapshot), SpanTrackingMode.EdgeInclusive);
}
return;
}
lastTriggerPoint = subjectTriggerPoint.Value.Position;
//look for occurrences of our QuickInfo words in the span
ITextStructureNavigator navigator = _provider.NavigatorService.GetTextStructureNavigator(_subjectBuffer);
TextExtent extent = navigator.GetExtentOfWord(subjectTriggerPoint.Value);
string searchText = extent.Span.GetText();
// First, where are we ?
int caretPos = subjectTriggerPoint.Value.Position;
int lineNumber = subjectTriggerPoint.Value.GetContainingLine().LineNumber;
var snapshot = session.TextView.TextBuffer.CurrentSnapshot;
if (_file == null)
{
return;
}
// Then, the corresponding Type/Element if possible
IToken stopToken;
//ITokenStream tokenStream;
XSharpModel.XTypeMember member = XSharpLanguage.XSharpTokenTools.FindMember(lineNumber, _file);
XSharpModel.XType currentNamespace = XSharpLanguage.XSharpTokenTools.FindNamespace(caretPos, _file);
// adjust caretpos, for other completions we need to stop before the caret. Now we include the caret
List <String> tokenList = XSharpLanguage.XSharpTokenTools.GetTokenList(caretPos + 1, lineNumber, snapshot, out stopToken, true, _file, false, member);
// Check if we can get the member where we are
//if (tokenList.Count > 1)
//{
// tokenList.RemoveRange(0, tokenList.Count - 1);
//}
// LookUp for the BaseType, reading the TokenList (From left to right)
XSharpLanguage.CompletionElement gotoElement;
String currentNS = "";
if (currentNamespace != null)
{
currentNS = currentNamespace.Name;
}
XSharpModel.CompletionType cType = XSharpLanguage.XSharpTokenTools.RetrieveType(_file, tokenList, member, currentNS, stopToken, out gotoElement, snapshot, lineNumber);
//
//
if ((gotoElement != null) && (gotoElement.IsInitialized))
{
// Ok, find it ! Let's go ;)
applicableToSpan = currentSnapshot.CreateTrackingSpan
(
extent.Span.Start, searchText.Length, SpanTrackingMode.EdgeInclusive
);
if (gotoElement.XSharpElement != null)
{
if (gotoElement.XSharpElement.Kind == XSharpModel.Kind.Constructor)
{
if (gotoElement.XSharpElement.Parent != null)
{
qiContent.Add(gotoElement.XSharpElement.Parent.Description);
}
}
else
{
qiContent.Add(gotoElement.XSharpElement.Description);
}
}
else if (gotoElement.SystemElement is TypeInfo)
{
XSharpLanguage.TypeAnalysis analysis = new XSharpLanguage.TypeAnalysis((TypeInfo)gotoElement.SystemElement);
qiContent.Add(analysis.Description);
}
else
{
// This works with System.MemberInfo AND
XSharpLanguage.MemberAnalysis analysis = null;
if (gotoElement.SystemElement is MemberInfo)
{
analysis = new XSharpLanguage.MemberAnalysis(gotoElement.SystemElement);
if (analysis.IsInitialized)
{
if ((analysis.Kind == XSharpModel.Kind.Constructor) && (cType != null) && (cType.SType != null))
{
XSharpLanguage.TypeAnalysis typeAnalysis;
typeAnalysis = new XSharpLanguage.TypeAnalysis(cType.SType.GetTypeInfo());
if (typeAnalysis.IsInitialized)
{
qiContent.Add(typeAnalysis.Description);
}
}
else
{
qiContent.Add(analysis.Description);
}
}
}
}
if (qiContent.Count > 0)
{
lastHelp = (string)qiContent[0];
lastSpan = applicableToSpan;
}
return;
}
}
catch (Exception ex)
{
XSharpProjectPackage.Instance.DisplayOutPutMessage("XSharpQuickInfo.AugmentQuickInfoSession failed : ");
XSharpProjectPackage.Instance.DisplayException(ex);
}
finally
{
XSharpModel.ModelWalker.Resume();
}
}
}
