private async Task <Task <CompletionContext> > GetCompletionContextTaskAsync(LSP.CompletionContext requestContext, SnapshotPoint triggerLocation, CancellationToken token)
{
// TODO: Should this be using the ILanguageServiceBroker2 calls instead? That will include the necessary sync that the LanguageServiceBroker does
if (token.IsCancellationRequested)
{
return(System.Threading.Tasks.Task.FromResult(CompletionContext.Empty));
}
if (!triggerLocation.Snapshot.TextBuffer.IsReplBuffer())
{
return(System.Threading.Tasks.Task.FromResult(CompletionContext.Empty));
}
var itemBag = new ConcurrentBag <(ILanguageClient, LSP.CompletionItem, Func <LSP.CompletionItem, CancellationToken, Task <LSP.CompletionItem> >)>();
var isIncomplete = false;
Func <(ILanguageClient client, LSP.CompletionList completionList), System.Threading.Tasks.Task> progressAction = (partialResults) => {
if (!(partialResults.client is PythonLanguageClient clientInstance))
{
return(System.Threading.Tasks.Task.CompletedTask);
}
Func <LSP.CompletionItem, CancellationToken, Task <LSP.CompletionItem> > resolveCompletionTask = (i, c) => clientInstance.InvokeResolveAsync(i, c);
foreach (var completionItem in partialResults.completionList.Items)
{
itemBag.Add((clientInstance, completionItem, resolveCompletionTask));
}
isIncomplete |= partialResults.completionList.IsIncomplete;
return(System.Threading.Tasks.Task.CompletedTask);
};
// The following call enqueues the RPC request. We may not yield (await) before this call.
var requestTask = await GetCompletionRequestAsync(triggerLocation, triggerLocation.Snapshot.TextBuffer, requestContext, token, progressAction)
.ConfigureAwait(false);
return(this.CompletionResultsToContextAsync(requestTask, triggerLocation, itemBag, isIncomplete, token));
}
public async Task <Task <CompletionResults> > GetCompletionRequestAsync(
SnapshotPoint triggerPoint,
ITextBuffer documentBuffer,
LSP.CompletionContext requestContext,
CancellationToken token,
Func <(ILanguageClient, LSP.CompletionList), System.Threading.Tasks.Task> progressAction = null)
