← Back
Editing: shlex.cpython-34.pyo
� j f - � @ s d Z d d l Z d d l Z d d l Z d d l m Z d d l m Z d d d g Z Gd d � d � Z d d d d � Z e j d e j � j Z d d � Z d d � Z e d k re e j � d k r� e e � � qe j d Z e e � � Z e e e e � � Wd QXn d S)z8A lexical analyzer class for simple shell-like syntaxes.� N)�deque)�StringIO�shlex�split�quotec @ s� e Z d Z d Z d d d d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z d d d d � Z d d � Z d d � Z d S)r z8A lexical analyzer class for simple shell-like syntaxes.NFc C sA t | t � r t | � } n | d k r? | | _ | | _ n t j | _ d | _ | | _ | ro d | _ n d | _ d | _ d | _ | j r� | j d 7_ n d | _ d | _ d | _ d | _ d | _ d | _ t � | _ d | _ d | _ d | _ t � | _ d | _ | j r=t d | j | j f � n d S)N� �#Z?abcdfeghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_u| ßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞz Fz'"�\�"� � r z shlex: reading from %s, line %d)� isinstance�strr �instream�infile�sys�stdin�posix�eof� commenters� wordchars� whitespace�whitespace_split�quotes�escape� escapedquotes�stater �pushback�lineno�debug�token� filestack�source�print)�selfr r r � r% �*/opt/alt/python34/lib64/python3.4/shlex.py�__init__ s< zshlex.__init__c C s: | j d k r& t d t | � � n | j j | � d S)z:Push a token onto the stack popped by the get_token methodr zshlex: pushing token N)r r# �reprr � appendleft)r$ �tokr% r% r& � push_token8 s zshlex.push_tokenc C s� t | t � r t | � } n | j j | j | j | j f � | | _ | | _ d | _ | j r� | d k r� t d | j f � q� t d | j f � n d S)z9Push an input source onto the lexer's input source stack.r Nzshlex: pushing to file %szshlex: pushing to stream %s) r r r r! r) r r r r r# )r$ � newstream�newfiler% r% r& � push_source> s " zshlex.push_sourcec C sa | j j � | j j � \ | _ | _ | _ | j rT t d | j | j f � n d | _ d S)zPop the input source stack.z shlex: popping to %s, line %dr N) r �closer! �popleftr r r r# r )r$ r% r% r& � pop_sourceL s ! zshlex.pop_sourcec C s> | j rB | j j � } | j d k r> t d t | � � n | S| j � } | j d k r� x\ | | j k r� | j | j � � } | r� | \ } } | j | | � n | j � } q` Wn x9 | | j k r� | j s� | j S| j � | j � } q� W| j d k r:| | j k r-t d t | � � q:t d � n | S)zBGet a token from the input stream (or from stack if it's nonempty)r zshlex: popping token Nz shlex: token=zshlex: token=EOF) r r0 r r# r( � read_tokenr" � sourcehookr. � get_tokenr r! r1 )r$ r* �raw�specr- r, r% r% r& r4 U s. zshlex.get_tokenc C s� d } d } x| j j d � } | d k r@ | j d | _ n | j d k rt t d t | j � d t | � � n | j d k r� d | _ Pq | j d k r�| s� d | _ Pq| | j k r� | j d k r� t d � n | j s� | j r | r Pq�q q| | j k r.| j j � | j d | _ q| j rX| | j k rXd } | | _ q| | j k r|| | _ d | _ q| | j k r�| j s�| | _ n | | _ q| j r�| | _ d | _ q| | _ | j s�| j r | r Pqq q | j | j k r�d } | s>| j d k r/t d � n t d � � n | | j k r| j ss| j | | _ d | _ Pq�d | _ q| j r�| | j k r�| j | j k r�| j } | | _ q| j | | _ q | j | j k rp| s| j d k rt d � n t d � � n | | j k rT| | j k rT| | k rT| j | j | _ n | j | | _ | | _ q | j d k r | s�d | _ Pq| | j k r�| j d k r�t d � n d | _ | j s�| j r | r Pqq q| | j k rK| j j � | j d | _ | j rd | _ | j s>| j r | r PqHq qq| j ro| | j k ro| | _ q| j r�| | j k r�d } | | _ q| | j k s�| | j k s�| j r�| j | | _ q| j j | � | j d k r�t d � n d | _ | j r Pqq q q W| j } d | _ | j rV| rV| d k rVd } n | j d k r�| r�t d t | � � q�t d � n | S)NFr r � � zshlex: in statezI see character:r � z+shlex: I see whitespace in whitespace state�aTz shlex: I see EOF in quotes statezNo closing quotationz shlex: I see EOF in escape statezNo escaped characterz%shlex: I see whitespace in word statez&shlex: I see punctuation in word statezshlex: raw token=zshlex: raw token=EOF)r �readr r r# r( r r r r r �readliner r r r � ValueErrorr r r) )r$ ZquotedZ escapedstateZnextchar�resultr% r% r& r2 u s� zshlex.read_tokenc C s� | d d k r# | d d � } n t | j t � ro t j j | � ro t j j t j j | j � | � } n | t | d � f S)z(Hook called on a filename to be sourced.r r r �r���) r r r �os�path�isabs�join�dirname�open)r$ r- r% r% r& r3 � s %'zshlex.sourcehookc C s> | d k r | j } n | d k r0 | j } n d | | f S)z<Emit a C-compiler-like, Emacs-friendly error-message leader.Nz"%s", line %d: )r r )r$ r r r% r% r& � error_leader� s zshlex.error_leaderc C s | S)Nr% )r$ r% r% r& �__iter__ s zshlex.__iter__c C s( | j � } | | j k r$ t � n | S)N)r4 r � StopIteration)r$ r r% r% r& �__next__ s zshlex.__next__)�__name__� __module__� __qualname__�__doc__r' r+ r. r1 r4 r2 r3 rG rH rJ r% r% r% r& r s $ � FTc C s7 t | d | �} d | _ | s- d | _ n t | � S)Nr Tr )r r r �list)�sZcommentsr Zlexr% r% r& r s z[^\w@%+=:,./-]c C s8 | s d St | � d k r | Sd | j d d � d S)z1Return a shell-escaped version of the string *s*.z''N�'z'"'"')� _find_unsafe�replace)rP r% r% r& r s c C s5 x. | j � } | s Pn t d t | � � q Wd S)NzToken: )r4 r# r( )ZlexerZttr% r% r& � _print_tokens% s rT �__main__r )rN rA �rer � collectionsr �ior �__all__r r �compile�ASCII�searchrR r rT rK �len�argv�fnrF �fr% r% r% r& �<module> s" �
Save File
Cancel