private static async Task <ImmutableArray <CodeAction> > GetAddReferencesCodeActionsAsync(CodeFixContext context, ISet <AssemblyIdentity> uniqueIdentities)
{
var result = ArrayBuilder <CodeAction> .GetInstance();
foreach (var identity in uniqueIdentities)
{
var codeAction = await AddMissingReferenceCodeAction.CreateAsync(
context.Document.Project, identity, context.CancellationToken).ConfigureAwait(false);
result.Add(codeAction);
}
return(result.ToImmutableAndFree());
}
public override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
var cancellationToken = context.CancellationToken;
var root = await context.Document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var model = await context.Document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var uniqueIdentities = new HashSet <AssemblyIdentity>();
foreach (var diagnostic in context.Diagnostics)
{
var nodes = FindNodes(root, diagnostic);
var types = GetTypesForNodes(model, nodes, cancellationToken).Distinct();
var message = diagnostic.GetMessage();
AssemblyIdentity identity = GetAssemblyIdentity(types, message);
if (identity != null && !uniqueIdentities.Contains(identity) && !identity.Equals(model.Compilation.Assembly.Identity))
{
uniqueIdentities.Add(identity);
context.RegisterCodeFix(
await AddMissingReferenceCodeAction.CreateAsync(context.Document.Project, identity, context.CancellationToken).ConfigureAwait(false),
diagnostic);
}
}
}