public CodeRefactoring(CodeRefactoringProvider provider, ImmutableArray <CodeAction> actions)
{
Provider = provider;
Actions = actions.NullToEmpty();
if (Actions.Length == 0)
{
throw new ArgumentException(FeaturesResources.Actions_can_not_be_empty, nameof(actions));
}
}
private async Task <CodeRefactoring> GetRefactoringFromProviderAsync(
Document document,
TextSpan state,
CodeRefactoringProvider provider,
IExtensionManager extensionManager,
CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (extensionManager.IsDisabled(provider))
{
return(null);
}
try
{
var actions = ArrayBuilder <CodeAction> .GetInstance();
var context = new CodeRefactoringContext(document, state,
// TODO: Can we share code between similar lambdas that we pass to this API in BatchFixAllProvider.cs, CodeFixService.cs and CodeRefactoringService.cs?
a =>
{
// Serialize access for thread safety - we don't know what thread the refactoring provider will call this delegate from.
lock (actions)
{
actions.Add(a);
}
},
cancellationToken);
var task = provider.ComputeRefactoringsAsync(context) ?? Task.CompletedTask;
await task.ConfigureAwait(false);
var result = actions.Count > 0
? new CodeRefactoring(provider, actions.ToImmutable())
: null;
actions.Free();
return(result);
}
catch (OperationCanceledException)
{
// We don't want to catch operation canceled exceptions in the catch block
// below. So catch is here and rethrow it.
throw;
}
catch (Exception e)
{
extensionManager.HandleException(provider, e);
}
return(null);
}