public TextSpan GetSelection()
{
TextSpan result = new TextSpan();
ExpansionProvider provider = this.ExpansionProvider;
if (provider != null && provider.TextView != null)
{
NativeMethods.ThrowOnFailure(provider.TextView.GetSelection(out result.iStartLine,
out result.iStartIndex, out result.iEndLine, out result.iEndIndex));
}
return(result);
}
internal ExpansionFunction(ExpansionProvider provider)
{
this.provider = provider;
}
// Overriden in source.fs, it calls this base implementation
public virtual void Dispose()
{
#if LANGTRACE
Trace.WriteLine("Source::Cleanup");
#endif
this.disposed = true;
try
{
if (this.textLinesEvents != null)
{
this.textLinesEvents.Dispose();
this.textLinesEvents = null;
}
}
finally
{
try
{
if (this.userDataEvents != null)
{
this.userDataEvents.Dispose();
this.userDataEvents = null;
}
}
finally
{
try
{
if (this.hiddenTextSession != null)
{
// We can't throw or exit here because we need to call Dispose on the
// other members that need to be disposed.
this.hiddenTextSession.UnadviseClient();
// This is causing a debug assert in vs\env\msenv\textmgr\vrlist.cpp
// at line 1997 in CVisibleRegionList::Terminate
//this.hiddenTextSession.Terminate();
this.hiddenTextSession = null;
}
}
finally
{
try
{
if (this.methodData != null)
{
this.methodData.Dispose();
this.methodData = null;
}
}
finally
{
try
{
if (this.completionSet != null)
{
this.completionSet.Dispose();
this.completionSet = null;
}
}
finally
{
try
{
// clear out any remaining tasks for this doc in the task list
// tp may not be the same as taskProvider
// REVIEW: This should be: if (null != this.taskReporter)
// Right now, MSBuild 4.0 can clear out build loggers responsibly, so this.taskReporter will always
// be null when we get to this point, so we'll need to create a new taskReporter to clear out the
// background tasks
TaskReporter tr = this.GetTaskReporter(); // may be our own TR or one from ProjectSite of this file
if (null != tr)
{
tr.ClearBackgroundTasksForFile(this.GetFilePath());
// Refresh the task list
tr.OutputTaskList();
}
if (null != this.taskReporter) // dispose the one we own (do not dispose one shared by project site!)
{
this.taskReporter.Dispose();
this.taskReporter = null;
this.taskProvider = null;
}
}
finally
{
try
{
this.service = null;
if (this.colorizer != null)
{
// The colorizer is owned by the core text editor, so we don't close it, the core text editor
// does that for us when it is ready to do so.
//colorizer.CloseColorizer();
this.colorizer = null;
}
}
finally
{
this.colorState = null;
try
{
if (this.expansionProvider != null)
{
this.expansionProvider.Dispose();
this.expansionProvider = null;
}
}
finally
{
// Sometimes OnCloseSource is called when language service is changed, (for example
// when you save the file with a different file extension) in which case we cannot
// null out the site because that will cause a crash inside msenv.dll.
// if (this.textLines != null) {
// ((IObjectWithSite)this.textLines).SetSite(null);
// }
if (this.textLines != null)
{
this.textLines = null;
Marshal.Release(pUnkTextLines);
}
}
}
}
}
}
}
}
}
}
public virtual int ReleaseFunction()
{
this.provider = null;
return(NativeMethods.S_OK);
}
public ExpansionProvider GetExpansionProvider()
{
if (this.expansionProvider == null && this.service != null)
{
this.expansionProvider = this.service.CreateExpansionProvider(this);
}
return this.expansionProvider;
}
internal SourceImpl(LanguageService service, IVsTextLines textLines, Colorizer colorizer)
{
#if LANGTRACE
Tracing.TraceRef(textLines, "Source.textLines");
#endif
this.service = service;
this.textLines = textLines;
// REVIEW: why the next line? RCW in this.textLines holds IUnknown already. (released in Dispose correctly though)
pUnkTextLines = Marshal.GetIUnknownForObject(this.textLines); //so it can't get disposed on us
this.colorizer = colorizer;
this.completionSet = this.CreateCompletionSet();
this.methodData = new MethodData(this.service.Site);
this.colorState = (IVsTextColorState)textLines;
// track source changes
this.textLinesEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsTextLinesEvents));
this.userDataEvents = new NativeMethods.ConnectionPointCookie(textLines, this, typeof(IVsUserDataEvents));
this.doOutlining = this.service.Preferences.AutoOutlining;
if (this.doOutlining)
{
GetHiddenTextSession();
}
this.expansionProvider = GetExpansionProvider();
this.lastOnIdleRequestDuration = 0;
this.openedTime = System.DateTime.Now;
}
public virtual int ReleaseFunction() {
this.provider = null;
return NativeMethods.S_OK;
}
internal ExpansionFunction(ExpansionProvider provider) {
this.provider = provider;
}
/// If the functionName is supported, return a new IVsExpansionFunction object.
internal virtual ExpansionFunction CreateExpansionFunction(ExpansionProvider provider, string functionName)
{
return null;
}