ripper_ensure    17154 ext/ripper/ripper.c ripper_ensure(VALUE parser_v)
ripper_ensure    11405 ext/ripper/ripper.y ripper_ensure(VALUE parser_v)
ripper_ensure    17078 parse.c        ripper_ensure(VALUE parser_v)
ripper_ensure    11405 parse.y        ripper_ensure(VALUE parser_v)