void AddAttribute(DomRegion region, IAttribute attribute, string target = "")
{
var view = SD.FileService.OpenFile(new FileName(region.FileName), false);
var editor = view.GetRequiredService <ITextEditor>();
var context = SDRefactoringContext.Create(editor.FileName, editor.Document, region.Begin, CancellationToken.None);
var node = context.RootNode.GetNodeAt <EntityDeclaration>(region.Begin);
var resolver = context.GetResolverStateBefore(node);
var builder = new TypeSystemAstBuilder(resolver);
using (Script script = context.StartScript()) {
var attr = new AttributeSection();
attr.AttributeTarget = target;
attr.Attributes.Add(builder.ConvertAttribute(attribute));
script.AddAttribute(node, attr);
}
}
