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This provides a high-level interface to parse a file into a syntax tree.
s# Guido van Rossum <guido@python.org>t Drivert load_grammariÿÿÿÿNi ( 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 ƒ } n | | _ | | _ d S( N( R t Nonet loggingt getLoggert loggert convert( t selfR R R
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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
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ParseErrort rootnode( R t tokensR t pt linenot columnt typet valuet startt endt line_textt prefixt quintuplet s_linenot s_column( ( s* /usr/lib/python2.7/lib2to3/pgen2/driver.pyt parse_tokens& sT
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c C s" t j | j ƒ } | j | | ƒ S( s* Parse a stream and return the syntax tree.( R t generate_tokenst readlineR) ( R t streamR R ( ( s* /usr/lib/python2.7/lib2to3/pgen2/driver.pyt parse_stream_rawV s c C s | j | | ƒ S( s* Parse a stream and return the syntax tree.( R- ( R R, R ( ( s* /usr/lib/python2.7/lib2to3/pgen2/driver.pyt parse_stream[ s c C s; t j | d | ƒ } z | j | | ƒ SWd | j ƒ 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/lib/python2.7/lib2to3/pgen2/driver.pyt
parse_file_ s c C s+ t j t j | ƒ j ƒ } | j | | ƒ S( s* Parse a string and return the syntax tree.( R R* t StringIOR+ R) ( R t textR R ( ( s* /usr/lib/python2.7/lib2to3/pgen2/driver.pyt parse_stringg s N(
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Xq&n t j ƒ } | j | ƒ | 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/lib/python2.7/lib2to3/pgen2/driver.pyR m s& *!
c C sN t j j | ƒ s t St j j | ƒ s, t St j j | ƒ t j j | ƒ k S( s0 Inquire whether file a was written since file b.( R= R> t existsR; t Truet getmtime( t at b( ( s* /usr/lib/python2.7/lib2to3/pgen2/driver.pyRE † s
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