internal bool AugmentQuickInfoSession(AstRoot ast, ITextBuffer textBuffer, int position, IQuickInfoSession session,
IList <object> quickInfoContent, out ITrackingSpan applicableToSpan,
Action <IEnumerable <IRFunctionQuickInfo>, IQuickInfoSession> callback)
{
// Try cached if this was a re-trigger on async information retrieval
var eis = new EditorIntellisenseSession(session, _services);
if (GetCachedSignatures(quickInfoContent, textBuffer, position, _infos, out applicableToSpan))
{
return(true);
}
var context = new RIntellisenseContext(eis, textBuffer.ToEditorBuffer(), ast, position);
// See if information is immediately available
var infos = _engine.GetQuickInfosAsync(context, null);
if (infos != null)
{
AddQuickInfos(quickInfoContent, MakeQuickInfos(infos));
return(true);
}
// If not available, start async retrieval. Session wil be re-triggered
// when information becomes available.
_engine.GetQuickInfosAsync(context, x => callback(x, session));
return(false);
}
private IRIntellisenseContext CreateContext(Position position)
{
var bufferPosition = EditorBuffer.ToStreamPosition(position);
var session = new EditorIntellisenseSession(new EditorView(EditorBuffer, position.ToStreamPosition(EditorBuffer.CurrentSnapshot)), _services);
return(new RIntellisenseContext(session, EditorBuffer, Document.EditorTree, bufferPosition));
}
public bool AugmentSignatureHelpSession(ISignatureHelpSession session, IList <ISignature> signatures, AstRoot ast,
Action <ITextView, IEnumerable <IRFunctionSignatureHelp> > callback)
{
// Try cached if this was a re-trigger on async information retrieval
var eis = new EditorIntellisenseSession(session, _services);
if (GetCachedSignatures(signatures, eis))
{
return(true);
}
var editorBuffer = _textBuffer.ToEditorBuffer();
var position = session.GetTriggerPoint(_textBuffer).GetCurrentPosition();
var context = new RIntellisenseContext(eis, editorBuffer, ast, position);
// See if information is immediately available
var sigs = _engine.GetSignaturesAsync(context, null);
if (sigs != null)
{
AddSignatures(signatures, ToVsEditorSignatures(sigs));
return(true);
}
// If not available, start async retrieval. Session wil be re-triggered
// when information becomes available.
_engine.GetSignaturesAsync(context, s => callback(session.TextView, s));
return(false);
}
