code: def p_enum(self, p):  # noqa
          '''enum : ENUM IDENTIFIER '{' enum_seq '}' annotations'''
          p[0] = ast.Enum(
              name=p[2], items=p[4], annotations=p[6], lineno=p.lineno(2)
          f p_enum(self, p):  # noqa
          '''enum : ENUM IDENTIFIER '{' enum_seq '}' annotations'''
          p[0] = ast.Enum(
              name=p[2], items=p[4], annotations=p[6], lineno=p.lineno(2)
          )
docs: enum : ENUM IDENTIFIER '{' enum_seq '}' annotations