Google
Edit File: driver.pyc
� ۜSec @ 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 d e f d � � YZ d d e e d d � Z d � Z d � Z e d k r� e j e e � � � n d S( sZ Parser driver. This provides a high-level interface to parse a file into a syntax tree. s# Guido van Rossum <guido@python.org>t Drivert load_grammari����Ni ( t grammart parset tokent tokenizet pgenc B sV e Z d d d � Z e d � Z e d � Z e d � Z d e d � Z e d � Z RS( c C s: | | _ | d k r$ t j � } n | | _ | | _ d S( N( R t Nonet loggingt getLoggert loggert convert( t selfR R R ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt __init__ s 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 r`| | 7} | \ } } | j d � rQ | d 7} d } qQ qQ n | t j k rt 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( s4 Parse a series of tokens and return the syntax tree.i i u s s %s %r (prefix=%r)s Stop.t s incomplete inputN( R t ParserR R t setupR t AssertionErrorR t COMMENTt NLt endswithR t OPt opmapR t debugt tok_namet addtokent ParseErrort rootnode( R t tokensR t pt linenot columnt typet valuet startt endt line_textt prefixt quintuplet s_linenot s_column( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt parse_tokens& sT * c C s" t j | j � } | j | | � S( s* Parse a stream and return the syntax tree.( R t generate_tokenst readlineR) ( R t streamR R ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt parse_stream_rawV s c C s | j | | � S( s* Parse a stream and return the syntax tree.( R- ( R R, R ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt parse_stream[ s c C s; t j | d | � } z | j | | � SWd | j � Xd S( s( Parse a file and return the syntax tree.t rN( t codecst openR. t close( R t filenamet encodingR R, ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt parse_file_ s c C s+ t j t j | � j � } | j | | � S( s* Parse a string and return the syntax tree.( R R* t StringIOR+ R) ( R t textR R ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt parse_stringg s N( t __name__t __module__R R t FalseR) R- R. R5 R8 ( ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyR s 0 s 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 | � } | r&| j d | � y | j | � Wq t k r} | j d t | � � q Xq&n t j � } | j | � | S( s' Load the grammar (maybe from a pickle).s .txtR t .s .pickles! Generating grammar tables from %ss Writing grammar tables to %ss Writing failed:N( R R R t ost patht splitextt joint mapt strt syst version_infot _newert infoR t generate_grammart dumpt IOErrorR t Grammart load( t gtt gpt savet forceR t headt tailt gt e( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyR m s& *! c C sN t j j | � s t St j j | � s, t St j j | � t j j | � k S( s0 Inquire whether file a was written since file b.( R= R> t existsR; t Truet getmtime( t at b( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyRE � s c G sc | s t j d } n t j d t j d t j d d � x$ | D] } t | d t d t �q? Wt S( s� 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 t levelR, t formats %(message)sRN RO ( RC t argvR t basicConfigt INFOt stdoutR RU ( t argsRL ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt main� s t __main__( t __doc__t __author__t __all__R0 R= R R6 RC R R R R R R t objectR R RU R; R RE R` R9 t exitt int( ( ( s, /usr/lib64/python2.7/lib2to3/pgen2/driver.pyt <module> s (P