private AbcInstance DefineEnumSuperType(IType type)
{
if (!type.IsEnum)
{
throw new InvalidOperationException("type is not enum");
}
var vtype = type.ValueType;
var st = vtype.SystemType();
if (st == null)
{
throw new InvalidOperationException(string.Format("invalid enum type {0}", type.FullName));
}
int index = GetEnumIndex(st);
var instance = _enumSuperTypes[index];
if (instance != null)
{
return(instance);
}
var super = BuildInstance(type.BaseType);
instance = _enumSuperTypes[index];
if (instance != null)
{
return(instance);
}
instance = new AbcInstance(true)
{
Name = Abc.DefineName(QName.PfxPackage(GetEnumName(st))),
BaseTypeName = super.Name,
BaseInstance = super,
Initializer = Initializers.BuildDefaultInitializer(Abc, null)
};
Abc.AddInstance(instance);
instance.Class.Initializer = Abc.DefineEmptyMethod();
_enumSuperTypes[index] = instance;
string name = Const.Boxing.Value;
instance.CreateSlot(Abc.DefineName(QName.Global(name)), BuildMemberType(vtype));
//SetFlags(instance, type);
return(instance);
}