public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (XSharpProjectPackage.Instance.DebuggerIsRunning)
{
return;
}
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;
WriteOutputMessage($"Triggerpoint: {subjectTriggerPoint.Value.Position}");
if ((subjectTriggerPoint.Value.Position == lastTriggerPoint) && (lastVersion == currentSnapshot.Version.VersionNumber))
{
if (lastHelp != null)
{
var description = new TextBlock();
description.Inlines.AddRange(lastHelp);
qiContent.Add(description);
if (lastxmldoc != null)
{
qiContent.Add(lastxmldoc);
}
WriteOutputMessage($"Return last help content: {lastHelp}");
}
if (lastSpan != null)
{
applicableToSpan = lastSpan;
}
return;
}
// We don't want to lex the buffer. So get the tokens from the last lex run
// and when these are too old, then simply bail out
var tokens = _subjectBuffer.GetTokens();
if (tokens != null)
{
if (tokens.SnapShot.Version != currentSnapshot.Version)
{
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, tokens.TokenStream, 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, _file.Project.Dialect);
//
//
if ((gotoElement != null) && (gotoElement.IsInitialized))
{
IClassificationType kwType = _registry.GetClassificationType("keyword");
IClassificationFormatMap fmap = _formatMap.GetClassificationFormatMap(category: "text");
Microsoft.VisualStudio.Text.Formatting.TextFormattingRunProperties kwFormat = fmap.GetTextProperties(kwType);
kwType = _registry.GetClassificationType("text");
fmap = _formatMap.GetClassificationFormatMap(category: "text");
Microsoft.VisualStudio.Text.Formatting.TextFormattingRunProperties txtFormat = fmap.GetTextProperties(kwType);
//
// 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)
{
var xtype = gotoElement.XSharpElement.Parent as XType;
var qitm = new QuickInfoTypeAnalysis(xtype, kwFormat.ForegroundBrush, txtFormat.ForegroundBrush);
var description = new TextBlock();
description.Inlines.AddRange(qitm.WPFDescription);
qiContent.Add(description);
}
}
else if (gotoElement.XSharpElement is XSharpModel.XTypeMember)
{
QuickInfoTypeMember qitm = new QuickInfoTypeMember((XSharpModel.XTypeMember)gotoElement.XSharpElement, kwFormat.ForegroundBrush, txtFormat.ForegroundBrush);
var description = new TextBlock();
description.Inlines.AddRange(qitm.WPFDescription);
qiContent.Add(description);
}
else if (gotoElement.XSharpElement is XSharpModel.XVariable)
{
QuickInfoVariable qitm = new QuickInfoVariable((XSharpModel.XVariable)gotoElement.XSharpElement, kwFormat.ForegroundBrush, txtFormat.ForegroundBrush);
var description = new TextBlock();
description.Inlines.AddRange(qitm.WPFDescription);
qiContent.Add(description);
}
else if (gotoElement.XSharpElement is XSharpModel.XType)
{
var xtype = gotoElement.XSharpElement as XType;
var qitm = new QuickInfoTypeAnalysis(xtype, kwFormat.ForegroundBrush, txtFormat.ForegroundBrush);
var description = new TextBlock();
description.Inlines.AddRange(qitm.WPFDescription);
qiContent.Add(description);
}
else
{
var description = new TextBlock();
Run temp;
temp = new Run(gotoElement.XSharpElement.Description);
temp.Foreground = txtFormat.ForegroundBrush;
//
description.Inlines.Add(temp);
qiContent.Add(description);
}
}
else if (gotoElement.SystemElement is TypeInfo)
{
var ti = gotoElement.SystemElement as TypeInfo;
string xmldoc = XSharpXMLDocMember.GetTypeSummary(ti, member.File.Project);
QuickInfoTypeAnalysis analysis = new QuickInfoTypeAnalysis(ti, kwFormat.ForegroundBrush, txtFormat.ForegroundBrush);
var description = new TextBlock();
description.Inlines.AddRange(analysis.WPFDescription);
qiContent.Add(description);
if (xmldoc != null)
{
qiContent.Add(xmldoc);
}
}
else
{
// This works with System.MemberInfo AND
QuickInfoMemberAnalysis analysis = null;
if (gotoElement.SystemElement is MemberInfo)
{
string xmldoc = XSharpXMLDocMember.GetMemberSummary(gotoElement.SystemElement, member.File.Project);
analysis = new QuickInfoMemberAnalysis(gotoElement.SystemElement, kwFormat.ForegroundBrush, txtFormat.ForegroundBrush);
if (analysis.IsInitialized)
{
if ((analysis.Kind == XSharpModel.Kind.Constructor) && (cType != null) && (cType.SType != null))
{
QuickInfoTypeAnalysis typeAnalysis;
typeAnalysis = new QuickInfoTypeAnalysis(cType.SType.GetTypeInfo(), kwFormat.ForegroundBrush, txtFormat.ForegroundBrush);
if (typeAnalysis.IsInitialized)
{
var description = new TextBlock();
description.Inlines.AddRange(typeAnalysis.WPFDescription);
qiContent.Add(description);
}
}
else
{
var description = new TextBlock();
description.Inlines.AddRange(analysis.WPFDescription);
qiContent.Add(description);
}
if (xmldoc != null)
{
qiContent.Add(xmldoc);
}
}
}
}
if (qiContent.Count > 0)
{
TextBlock description;
description = qiContent[0] as TextBlock;
if (qiContent.Count > 1)
{
lastxmldoc = qiContent[1] as String;
}
else
{
lastxmldoc = null;
}
if (description != null)
{
lastHelp = new Inline[description.Inlines.Count];
description.Inlines.CopyTo(lastHelp, 0);
lastSpan = applicableToSpan;
lastVersion = currentSnapshot.Version.VersionNumber;
WriteOutputMessage($"Found new help content: {lastHelp}");
}
}
return;
}
}
catch (Exception ex)
{
XSharpProjectPackage.Instance.DisplayOutPutMessage("XSharpQuickInfo.AugmentQuickInfoSession failed : ");
XSharpProjectPackage.Instance.DisplayException(ex);
}
finally
{
XSharpModel.ModelWalker.Resume();
}
}
public CompletionType(XType xType)
{
this._xtype = xType;
}
public static bool IsGlobalType(XType type)
{
return(type.Name == XType.GlobalName);
}
private void pushType(XType type)
{
type.File = this._file;
this._currentTypes.Push(type);
}