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 AugmentSignatureHelpSession(ISignatureHelpSession session, IList <ISignature> signatures)
{
try
{
XSharpProjectPackage.Instance.DisplayOutPutMessage("XSharpSignatureHelpSource.AugmentSignatureHelpSession()");
XSharpModel.ModelWalker.Suspend();
ITextSnapshot snapshot = m_textBuffer.CurrentSnapshot;
int position = session.GetTriggerPoint(m_textBuffer).GetPosition(snapshot);
int start = (int)session.Properties["Start"];
int length = (int)session.Properties["Length"];
var comma = (bool)session.Properties["Comma"];
m_applicableToSpan = m_textBuffer.CurrentSnapshot.CreateTrackingSpan(
new Span(start, length), SpanTrackingMode.EdgeInclusive, 0);
object elt = session.Properties["Element"];
m_session = session;
if (elt is XSharpModel.XElement)
{
XSharpModel.XElement element = elt as XSharpModel.XElement;
signatures.Add(CreateSignature(m_textBuffer, element.Prototype, "", ApplicableToSpan, comma));
//
if (elt is XSharpModel.XTypeMember)
{
XSharpModel.XTypeMember xMember = elt as XSharpModel.XTypeMember;
List <XSharpModel.XTypeMember> namesake = xMember.Namesake();
foreach (var member in namesake)
{
signatures.Add(CreateSignature(m_textBuffer, member.Prototype, "", ApplicableToSpan, comma));
}
//
}
// why not ?
int paramCount = int.MaxValue;
foreach (ISignature sig in signatures)
{
if (sig.Parameters.Count < paramCount)
{
paramCount = sig.Parameters.Count;
}
}
//
m_textBuffer.Changed += new EventHandler <TextContentChangedEventArgs>(OnSubjectBufferChanged);
}
else if (elt is System.Reflection.MemberInfo)
{
System.Reflection.MemberInfo element = elt as System.Reflection.MemberInfo;
XSharpLanguage.MemberAnalysis analysis = new XSharpLanguage.MemberAnalysis(element);
if (analysis.IsInitialized)
{
signatures.Add(CreateSignature(m_textBuffer, analysis.Prototype, "", ApplicableToSpan, comma));
// Any other member with the same name in the current Type and in the Parent(s) ?
SystemNameSake(element.DeclaringType, signatures, element.Name, analysis.Prototype, comma);
//
m_textBuffer.Changed += new EventHandler <TextContentChangedEventArgs>(OnSubjectBufferChanged);
}
}
session.Dismissed += OnSignatureHelpSessionDismiss;
}
catch (Exception ex)
{
XSharpProjectPackage.Instance.DisplayOutPutMessage("XSharpSignatureHelpSource.AugmentSignatureHelpSession Exception 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();
}
}
}
private void OnSelectionChanged(object sender, object e)
{
try
{
String selectedText = this.View.Selection.StreamSelectionSpan.GetText();
if (!string.IsNullOrEmpty(selectedText) && !string.IsNullOrWhiteSpace(selectedText))
{
// where are we
SnapshotPoint currentRequest = this.View.Selection.Start.Position;
List <SnapshotSpan> wordSpans = new List <SnapshotSpan>();
// Search for me please
TextExtent word = TextStructureNavigator.GetExtentOfWord(currentRequest);
bool foundWord = true;
//
if (!WordExtentIsValid(currentRequest, word))
{
//Same context ?
if (word.Span.Start != currentRequest ||
currentRequest == currentRequest.GetContainingLine().Start ||
char.IsWhiteSpace((currentRequest - 1).GetChar()))
{
foundWord = false;
}
else
{
// Move back, and start again
word = TextStructureNavigator.GetExtentOfWord(currentRequest - 1);
//If the word still isn't valid, we're done
if (!WordExtentIsValid(currentRequest, word))
{
foundWord = false;
}
}
}
if (!foundWord)
{
//If we couldn't find a word, clear out the existing markers
SynchronousUpdate(new NormalizedSnapshotSpanCollection());
return;
}
SnapshotSpan currentWord = word.Span;
selectedWord = this.View.Selection.StreamSelectionSpan.SnapshotSpan;
//If this is the current word, and the caret moved within a word, we're done.
if (!(selectedWord.HasValue && currentWord == selectedWord))
{
return;
}
//Find the new spans
FindData findData = new FindData(currentWord.GetText(), currentWord.Snapshot);
findData.FindOptions = FindOptions.WholeWord | FindOptions.MatchCase;
// Values are zero-based
SnapshotPoint point = View.Caret.Position.BufferPosition;
// Retrieve the XFile
XSharpModel.XFile xFile = this.View.TextBuffer.GetFile();
if (xFile != null)
{
// Now, retrieve the current member
XSharpModel.XTypeMember member = XSharpTokenTools.FindMemberAtPosition(point.Position, xFile);
if (member == null)
{
return;
}
// Ok, so we now have the "range" of the Member, and will only select text in THIS member
SnapshotSpan memberSpan = new SnapshotSpan(currentWord.Snapshot, member.Interval.Start, member.Interval.Width);
// Get all the corresponding Words
Collection <SnapshotSpan> allFound = TextSearchService.FindAll(findData);
Collection <SnapshotSpan> memberFound = new Collection <SnapshotSpan>();
foreach (SnapshotSpan ssp in allFound)
{
// Inside the Member ?
if (memberSpan.Contains(ssp))
{
memberFound.Add(ssp);
}
}
//
wordSpans.AddRange(memberFound);
// Show please
SynchronousUpdate(new NormalizedSnapshotSpanCollection(wordSpans));
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("HighlightWordTag Exception: " + ex.Message);
}
}
