yaml_parser_state_t 1247 ext/psych/yaml/yaml.h         yaml_parser_state_t *start;
yaml_parser_state_t 1249 ext/psych/yaml/yaml.h         yaml_parser_state_t *end;
yaml_parser_state_t 1251 ext/psych/yaml/yaml.h         yaml_parser_state_t *top;
yaml_parser_state_t 1255 ext/psych/yaml/yaml.h     yaml_parser_state_t state;