← Back
Editing: driver.cpython-33.pyc
� �� f! c @ s� d Z d Z d d g Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l m Z m Z m Z m Z m Z Gd d � d e � Z d d d d d d d � Z d d � Z d d � Z e d k r� e j e e � � � n d S( uZ Parser driver. This provides a high-level interface to parse a file into a syntax tree. u# Guido van Rossum <guido@python.org>u Driveru load_grammari Ni ( u grammaru parseu tokenu tokenizeu pgenc B st | Ee Z d Z d d d d � Z d d d � Z d d d � Z d d d � Z d d d d � Z d d d � Z d S( u Driverc C s: | | _ | d k r$ t j � } n | | _ | | _ d S( N( u grammaru Noneu loggingu getLoggeru loggeru convert( u selfu grammaru convertu logger( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu __init__ s u Driver.__init__c C s@ t j | j | j � } | j � d } d } d } } } } } d } x�| D]�} | \ } } } } } | | | f k r | | f | k s� t | | f | f � � | \ } } | | k r� | d | | 7} | } d } n | | k r | | | | � 7} | } q n | t j t j f k rc| | 7} | \ } } | j d � rQ | d 7} d } qQ qQ n | t j k r�t j | } n | r�| j j d t j | | | � n | j | | | | f � r�| r�| j j d � n Pn d } | \ } } | j d � rQ | d 7} d } qQ qQ Wt j d | | | | f � � | j S( u4 Parse a series of tokens and return the syntax tree.i i u u u %s %r (prefix=%r)u Stop.u incomplete inputN( u parseu Parseru grammaru convertu setupu Noneu AssertionErroru tokenizeu COMMENTu NLu endswithu tokenu OPu opmapu loggeru debugu tok_nameu addtokenu ParseErroru rootnode( u selfu tokensu debugu pu linenou columnu typeu valueu startu endu line_textu prefixu quintupleu s_linenou s_column( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu parse_tokens& sT * u Driver.parse_tokensc C s" t j | j � } | j | | � S( u* Parse a stream and return the syntax tree.( u tokenizeu generate_tokensu readlineu parse_tokens( u selfu streamu debugu tokens( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu parse_stream_rawV s u Driver.parse_stream_rawc C s | j | | � S( u* Parse a stream and return the syntax tree.( u parse_stream_raw( u selfu streamu debug( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu parse_stream[ s u Driver.parse_streamc C s; t j | d | � } z | j | | � SWd | j � Xd S( u( Parse a file and return the syntax tree.u rN( u codecsu openu parse_streamu close( u selfu filenameu encodingu debugu stream( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu parse_file_ s u Driver.parse_filec C s+ t j t j | � j � } | j | | � S( u* Parse a string and return the syntax tree.( u tokenizeu generate_tokensu iou StringIOu readlineu parse_tokens( u selfu textu debugu tokens( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu parse_stringg s u Driver.parse_stringNF( u __name__u __module__u __qualname__u Noneu __init__u Falseu parse_tokensu parse_stream_rawu parse_streamu parse_fileu parse_string( u __locals__( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu Driver s 0u Grammar.txtc C s< | d k r t j � } n | d k r~ t j j | � \ } } | d k rT d } n | | d j t t t j � � d } n | s� t | | � r | j d | � t j | � } | r8| j d | � y | j | � Wq t k r} z | j d t | � � WYd d } ~ Xq Xq8n t j � } | j | � | S( u' Load the grammar (maybe from a pickle).u .txtu u .u .pickleu! Generating grammar tables from %su Writing grammar tables to %su Writing failed:N( u Noneu loggingu getLoggeru osu pathu splitextu joinu mapu stru sysu version_infou _neweru infou pgenu generate_grammaru dumpu IOErroru grammaru Grammaru load( u gtu gpu saveu forceu loggeru headu tailu gu e( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu load_grammarm s& *0 c C sN t j j | � s d St j j | � s, d St j j | � t j j | � k S( u0 Inquire whether file a was written since file b.FT( u osu pathu existsu Falseu Trueu getmtime( u au b( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu _newer� s u _newerc G si | s t j d d � } n t j d t j d t j d d � x$ | D] } t | d d d d �qE Wd S( u� Main program, when run as a script: produce grammar pickle files. Calls load_grammar for each argument, a path to a grammar text file. i Nu levelu streamu formatu %(message)su saveu forceT( u sysu argvu loggingu basicConfigu INFOu stdoutu load_grammaru True( u argsu gt( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu main� s u mainu __main__TF( u __doc__u __author__u __all__u codecsu iou osu loggingu sysu u grammaru parseu tokenu tokenizeu pgenu objectu Driveru Noneu Trueu Falseu load_grammaru _neweru mainu __name__u exitu int( ( ( u9 /opt/alt/python33/lib64/python3.3/lib2to3/pgen2/driver.pyu <module> s (P
Save File
Cancel