public TypeUpdateInformation UpdateFromParseInfo(ICompilationUnit cu)
        {
            if (cu == null)
            {
                return(new TypeUpdateInformation());
            }
            // TODO dom Get tag comments
//			UpdateTagComments (cu.TagComments, file);
            List <IType> resolved;

            ProjectDomService.ResolveTypes(SourceProjectDom, cu, cu.Types, out resolved);
            TypeUpdateInformation res = UpdateTypeInformation(resolved, file);

            Flush();
            return(res);
        }