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Editing: pgen.cpython-36.opt-1.pyc
3 \�5 � @ sd d dl mZmZmZ G dd� dej�ZG dd� de�ZG dd� de�ZG dd � d e�Z dd d �Z d S )� )�grammar�token�tokenizec @ s e Zd ZdS )� PgenGrammarN)�__name__� __module__� __qualname__� r r �*/usr/lib64/python3.6/lib2to3/pgen2/pgen.pyr s r c @ s� e Zd Zd&dd�Zdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zd d � Zd d � Zd'd d!�Zd"d#� Zd$d%� ZdS )(�ParserGeneratorNc C sl d }|d krt |�}|j}|| _|| _tj|j�| _| j� | j � \| _ | _ |d k rZ|� i | _ | j � d S )N)�open�close�filename�streamr �generate_tokens�readline� generator�gettoken�parse�dfas� startsymbol�first� addfirstsets)�selfr r Z close_streamr r r �__init__ s zParserGenerator.__init__c C s* t � }t| jj� �}|j� |j| j� |jd| j� x.|D ]&}dt|j � }||j |< ||j |< q<W x�|D ]�}| j| }g }xl|D ]d}g }x6t |j j � �D ]$\} } |j| j|| �|j| �f� q�W |jr�|jd|j|�f� |j|� q�W |jj|� || j||�f|j|j | < qlW |j | j |_|S )N� � )r �listr �keys�sort�remover �insert�len� symbol2numberZ number2symbol�sorted�arcs�items�append� make_label�index�isfinal�states� make_first�start) r �c�names�name�i�dfar+ �stater% �label�nextr r r � make_grammar s. z ParserGenerator.make_grammarc C s8 | j | }i }x$t|�D ]}| j||�}d||< qW |S )Nr )r r$ r( )r r. r0 Zrawfirstr r4 �ilabelr r r r, 4 s zParserGenerator.make_firstc C s& t |j�}|d j� r�||jkrZ||jkr4|j| S |jj|j| d f� ||j|< |S n>tt|d �}||jkrz|j| S |jj|d f� ||j|< |S n�t |�}|d j� r�||j kr�|j | S |jjtj |f� ||j |< |S n>t j | }||jk�r|j| S |jj|d f� ||j|< |S d S )Nr )r" Zlabels�isalphar# Z symbol2labelr' �getattrr �tokens�eval�keywords�NAMEr Zopmap)r r. r4 r7 Zitoken�valuer r r r( = s6 zParserGenerator.make_labelc C s< t | jj� �}|j� x |D ]}|| jkr | j|� q W d S )N)r r r r r � calcfirst)r r/ r0 r r r r k s z ParserGenerator.addfirstsetsc C s | j | }d | j|< |d }i }i }x�|jj� D ]x\}}|| j kr�|| jkrl| j| }|d kr�td| ��n| j|� | j| }|j|� |||< q0d||< |di||< q0W i } xJ|j� D ]>\}} x4| D ],} | | kr�td|| || | f ��|| | < q�W q�W || j|< d S )Nr zrecursion for rule %rr zArule %s is ambiguous; %s is in the first sets of %s as well as %s)r r r% r& � ValueErrorr? 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r rJ r[ r\ rK rI r` rd rk rG r rm r r r r r s$ . $ r c @ s e Zd Zdd� Zddd�ZdS )ra 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 r5 r4 r r r rT V s zNFAState.addarc)N)r r r r rT r r r r ra Q s ra c @ s0 e Zd Zdd� Zdd� Zdd� Zdd� Zd Zd S ) rQ c C s || _ ||k| _i | _d S )N)rR r* r% )r rR �finalr r r r ] s zDFAState.__init__c C s || j |< d S )N)r% )r r5 r4 r r r rT e s zDFAState.addarcc C s. x(| j j� D ]\}}||kr || j |< q W d S )N)r% r& )r �old�newr4 r5 r r r r^ k s zDFAState.unifystatec C sX | j |j krdS t| j�t|j�kr(dS x*| jj� D ] \}}||jj|�k r4dS q4W dS )NFT)r* r" r% r& �get)r �otherr4 r5 r r r �__eq__p s zDFAState.__eq__N)r r r r rT r^ r �__hash__r r r r rQ [ s rQ � Grammar.txtc C s t | �}|j� S )N)r r6 )r �pr r r �generate_grammar� s r� N)r� ) rW r r r ZGrammarr �objectr ra rQ r� r r r r �<module> s I %
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