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();
}
}
