+ var nid2 = n_id2
+ var name = nid2.text
+
+ var atabstract = self.get_single_annotation("abstract", modelbuilder)
+ if atabstract == null then
+ if mclass.kind == interface_kind then
+ modelbuilder.error(self, "Error: Attempt to define attribute {name} in the interface {mclass}.")
+ else if mclass.kind == enum_kind then
+ modelbuilder.error(self, "Error: Attempt to define attribute {name} in the enum class {mclass}.")
+ else if mclass.kind == extern_kind then
+ modelbuilder.error(self, "Error: Attempt to define attribute {name} in the extern class {mclass}.")
+ end