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| j t j t j f k rg | j � \ } } | j | � | } q W| | f S)N�(�[)ra rb )� parse_itemr= rC r r< �STRINGrS )r rK �br- �dr r r r_ s zParserGenerator.parse_altc C s� | j d k rU | j � | j � \ } } | j t j d � | j | � | | f S| j � \ } } | j } | d k r� | | f S| j � | j | � | d k r� | | f S| | f Sd S)Nrb �]�+�*)rh ri )r= r rH rF r rG rS � parse_atom)r rK rL r= r r r rc s zParserGenerator.parse_itemc C s� | j d k rH | j � | j � \ } } | j t j d � | | f S| j t j t j f k r� t � } t � } | j | | j � | j � | | f S| j d | j | j � d S)Nra �)z+expected (...) or NAME or STRING, got %s/%s) r= r rH rF r rG rC r< rd r` rS � raise_error)r rK rL r r r rj ( s zParserGenerator.parse_atomc C sc | j | k s* | d k rL | j | k rL | j d | | | j | j � n | j } | j � | S)Nzexpected %s/%s, got %s/%s)rC r= rl r )r rC r= r r r rF 9 s * zParserGenerator.expectc C si t | j � } x/ | d t j t j f k r@ t | j � } q W| \ | _ | _ | _ | _ | _ d S)Nr ) r4 r r �COMMENT�NLrC r= Zbegin�end�line)r �tupr r r r A s zParserGenerator.gettokenc G sz | rG y | | } WqG d j | g t t t | � � � } YqG Xn t | | j | j d | j d | j f � � d S)N� r r )�joinr �map�str� SyntaxErrorr ro rp )r �msg�argsr r r rl H s -zParserGenerator.raise_error)r r r r r5 r+ r' r r> r rI rZ r[ rJ rH r_ rc rj rF r rl r r r r r s$ . $ r c @ s+ e Z d Z d d � Z d d d � Z d S)r` c C s g | _ d S)N)r$ )r r r r r S s zNFAState.__init__Nc C s | j j | | f � d S)N)r$ r& )r r4 r3 r r r rS V s zNFAState.addarc)r r r r rS r r r r r` Q s r` c @ sF e Z d Z d d � Z d d � Z d d � Z d d � Z d Z d S) rP c C s% | | _ | | k | _ i | _ d S)N)rQ r) r$ )r rQ �finalr r r r ] s zDFAState.__init__c C s | | j | <d S)N)r$ )r r4 r3 r r r rS e s zDFAState.addarcc C s@ x9 | j j � D]( \ } } | | k r | | j | <q q Wd S)N)r$ r% )r �old�newr3 r4 r r r r] k s zDFAState.unifystatec C sx | j | j k r d St | j � t | j � k r8 d Sx9 | j j � D]( \ } } | | j j | � k rH d SqH Wd S)NFT)r) r" r$ r% �get)r �otherr3 r4 r r r �__eq__p s zDFAState.__eq__N)r r r r rS r] r~ �__hash__r r r r rP [ s rP z Grammar.txtc C s t | � } | j � S)N)r r5 )r �pr r r �generate_grammar� s r� N) rV r r r ZGrammarr �objectr r` rP r� r r r r �<module> s � H %
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