_pg_extras field stores an arbitrary user-defined object.
@@ -1657,13 +1657,15 @@ def _create_prods(context, rhs_prods, name, rule_meta_datas):
_pg_children(list): A list of child nodes.
_pg_children_names(list): A list of child node names
(i.e. LHS of assignments)
+ _pg_extras(object): An arbitrary user-defined object.
"""
__slots__ = list(attrs) + ['_pg_start_position',
'_pg_end_position',
'_pg_children',
- '_pg_children_names']
+ '_pg_children_names',
+ '_pg_extras']
_pg_attrs = attrs
