private static ICollection <string> GetAllMvcNames(TExpression expression)
{
ICollection <string> val = expression.UserData.GetData(AllMvcNamesKey);
if (val == null)
{
ISolution solution = expression.GetSolution();
var attributeNames = solution.GetComponent <MvcAttributeNames>();
val = new HashSet <string>(attributeNames.AttributeClrNamesToWatch.SelectMany(
typeName => solution.GetMembersByAttributeName(typeName.ShortName)), StringComparer.OrdinalIgnoreCase);
expression.UserData.PutData(AllMvcNamesKey, val);
}
return(val);
}