o iT@sdZGdddZdS)zDThis module implements useful building blocks for the Earley parser c@s<eZdZdZdZddZddZddZd d Zd d Z d S)Itemz*An Earley Item, the atom of the algorithm.) sruleptrstart is_completeexpectpreviousnode_hashcCst|j|k|_||_||_||_d|_|jr2|j|_d|_ |dkr.t|jr.|j|dnd|_ n||f|_|j||_ |dkrMt|jrM|j|dnd|_ t |j|j|jf|_ dS)N) len expansionrrrrr originrrrhashr )selfrrrrW/home/ubuntu/veenaModal/venv/lib/python3.10/site-packages/lark/parsers/earley_common.py__init__ s(  &z Item.__init__cCst|j|jd|jS)Nr )rrrrrrrradvancesz Item.advancecCs,||up|j|jko|j|jko|j|jkSN)rrr)rotherrrr__eq__s,z Item.__eq__cCs|jSr)r rrrr__hash__sz Item.__hash__cCsfdd|jjd|jD}dd|jj|jdD}d|jjjd|d|}d||jfS)Ncs|]}|jVqdSrname.0rrrr #z Item.__repr__..csrrrrrrrr $r!z {} ::= {}* {} z%s (%d))rrrformatrrjoinr)rbeforeaftersymbolrrr__repr__"s z Item.__repr__N) __name__ __module__ __qualname____doc__ __slots__rrrrr(rrrrrs rN)r,rrrrrs