public async Task <CompletionResult> GetCompletionData(int position, char?triggerChar)
{
IList <ICompletionDataEx> completionData = null;
IOverloadProvider overloadProvider = null;
bool?isCompletion = null;
if (triggerChar != null)
{
var isSignatureHelp = await _interactiveManager.IsSignatureHelpTriggerCharacter(position - 1).ConfigureAwait(false);
if (isSignatureHelp)
{
var signatureHelp = await _interactiveManager.GetSignatureHelp(
new SignatureHelpTriggerInfo(SignatureHelpTriggerReason.TypeCharCommand, triggerChar.Value), position)
.ConfigureAwait(false);
if (signatureHelp != null)
{
overloadProvider = new RoslynOverloadProvider(signatureHelp);
}
}
else
{
isCompletion = await _interactiveManager.IsCompletionTriggerCharacter(position - 1).ConfigureAwait(false);
}
}
if (overloadProvider == null && isCompletion != false)
{
var items = await _interactiveManager.GetCompletion(
triggerChar != null
?CompletionTriggerInfo.CreateTypeCharTriggerInfo(triggerChar.Value)
: CompletionTriggerInfo.CreateInvokeCompletionTriggerInfo(),
position).ConfigureAwait(false);
completionData = items.Select(item => new AvalonEditCompletionData(item)).ToArray <ICompletionDataEx>();
}
return(new CompletionResult(completionData, overloadProvider));
}