private async IAsyncEnumerable <SuggestedActionSet> GetCodeFixesAndRefactoringsAsync(
ReferenceCountedDisposable <State> state,
ISuggestedActionCategorySet requestedActionCategories,
Document document,
SnapshotSpan range,
TextSpan?selection,
Func <string, IDisposable?> addOperationScope,
CodeActionRequestPriority priority,
int currentActionCount,
[EnumeratorCancellation] CancellationToken cancellationToken)
{
var workspace = document.Project.Solution.Workspace;
var supportsFeatureService = workspace.Services.GetRequiredService <ITextBufferSupportsFeatureService>();
var options = GlobalOptions.GetCodeActionOptionsProvider();
var fixesTask = GetCodeFixesAsync(
state, supportsFeatureService, requestedActionCategories, workspace, document, range,
addOperationScope, priority, options, isBlocking: false, cancellationToken);
var refactoringsTask = GetRefactoringsAsync(
state, supportsFeatureService, requestedActionCategories, GlobalOptions, workspace, document, selection,
addOperationScope, priority, options, isBlocking: false, cancellationToken);
await Task.WhenAll(fixesTask, refactoringsTask).ConfigureAwait(false);
var fixes = await fixesTask.ConfigureAwait(false);
var refactorings = await refactoringsTask.ConfigureAwait(false);
foreach (var set in ConvertToSuggestedActionSets(state, selection, fixes, refactorings, currentActionCount))
{
yield return(set);
}
}