lib64
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python3.9
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lib2to3
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pgen2
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pgen.cpython-39.pyc
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�NFAStater& )r4 rW r5 r6 rX r r rY � s z,ParserGenerator.make_dfa.<locals>.addclosure) r? r[ �DFAState�nfasetr& � setdefaultr% r' r( �addarc) r r. �finishrZ r, r4 r& Znfastater5 r6 r] �str rX r rS � s& zParserGenerator.make_dfac C s� t d|� |g}t|�D ]|\}}t d|||u r2dp4d� |jD ]T\}}||v rZ|�|�} nt|�} |�|� |d u r�t d| � q>t d|| f � q>qd S )NzDump of NFA for� State�(final)� z -> %d� %s -> %d)�print� enumerater& r* r# r( ) r r1 r. r` Ztodor2 r4 r5 r6 �jr r r �dump_nfa� s zParserGenerator.dump_nfac C sd t d|� t|�D ]L\}}t d||jr*dp,d� t|j�� �D ] \}}t d||�|�f � q>qd S )NzDump of DFA forrb rc rd re )rf rg r+ r% r& r' r* )r r1 r3 r2 r4 r5 r6 r r r �dump_dfa� s zParserGenerator.dump_dfac C sp d}|rld}t |�D ]T\}}t|d t|��D ]8}|| }||kr.||= |D ]}|�||� qLd} qq.qqd S )NTFr )rg �ranger# � unifystate)r r3 Zchangesr2 Zstate_irh Zstate_jr4 r r r rT � s z ParserGenerator.simplify_dfac C s~ | � � \}}| jdkr ||fS t� }t� }|�|� |�|� | jdkrr| �� | � � \}}|�|� |�|� q>||fS d S )N�|)� parse_altrF r[ r_ r )r rU rV Zaa�zzr r r rR � s zParserGenerator.parse_rhsc C sL | � � \}}| jdv s(| jtjtjfv rD| � � \}}|�|� |}q ||fS )N)�(�[)� parse_itemrF rM r rE �STRINGr_ )r rU �br/ �dr r r rn s � zParserGenerator.parse_altc C s� | j dkr>| �� | �� \}}| �tjd� |�|� ||fS | �� \}}| j }|dvr`||fS | �� |�|� |dkr�||fS ||fS d S )Nrq �])�+�*rw )rF r rR rP r rQ r_ � parse_atom)r rU rV rF r r r rr s zParserGenerator.parse_itemc C s� | j dkr4| �� | �� \}}| �tjd� ||fS | jtjtjfv rpt � }t � }|� || j � | �� ||fS | � d| j| j � d S )Nrp �)z+expected (...) or NAME or STRING, got %s/%s) rF r rR rP r rQ rM rE rs r[ r_ � raise_error)r rU rV r r r ry ( s �zParserGenerator.parse_atomc C sD | j |ks |d ur2| j|kr2| �d||| j | j� | j}| �� |S )Nzexpected %s/%s, got %s/%s)rM rF r{ r )r rM rF r r r rP 9 s �zParserGenerator.expectc C sF t | j�}|d tjtjfv r*t | j�}q |\| _| _| _| _| _ d S )Nr ) r6 r r �COMMENT�NLrM rF Zbegin�end�line)r �tupr r r r A s zParserGenerator.gettokenc G s^ |r8z || }W n& d� |gttt|�� �}Y n0 t|| j| jd | jd | jf��d S )N� r r )�joinr �map�str� SyntaxErrorr r~ r )r �msg�argsr r r r{ H s �zParserGenerator.raise_error)N)N)r r r r r7 r- r) r rG r rS ri rj rT rR rn rr ry rP r r{ r r r r r s$ . $ r c @ s e Zd Zdd� Zddd�ZdS )r[ c C s g | _ d S r )r& )r r r r r S s zNFAState.__init__Nc C s8 |d u st |t�sJ �t |t�s$J �| j�||f� d S r )r? r� r[ r& r( �r r6 r5 r r r r_ V s zNFAState.addarc)N)r r r r r_ r r r r r[ Q s r[ c @ s0 e Zd Zdd� Zdd� Zdd� Zdd� Zd Zd S ) r\ c C sL t |t�sJ �t tt|��t�s$J �t |t�s2J �|| _||v | _i | _d S r )r? �dictr6 �iterr[ r] r+ r& )r r] �finalr r r r ] s zDFAState.__init__c C s8 t |t�sJ �|| jvs J �t |t�s*J �|| j|< d S r )r? r� r& r\ r� r r r r_ e s zDFAState.addarcc C s* | j �� D ]\}}||u r || j |< q d S r )r& r' )r �old�newr5 r6 r r r rl k s zDFAState.unifystatec C sd t |t�sJ �| j|jkr dS t| j�t|j�kr6dS | j�� D ] \}}||j�|�ur@ dS q@dS )NFT)r? r\ r+ r# r& r' �get)r �otherr5 r6 r r r �__eq__p s zDFAState.__eq__N)r r r r r_ rl r� �__hash__r r r r r\ [ s r\ � Grammar.txtc C s t | �}|�� S r )r r7 )r �pr r r �generate_grammar� s r� N)r� ) rd r r r ZGrammarr �objectr r[ r\ r� r r r r �<module> s I %
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