��Yf�, � @ 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 � � n6 e j d Z e e � � Z e e e e � � Wd QRXd 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 s t | t � r t | � } | d k r< | | _ | | _ n t j | _ d | _ | | _ | rl d | _ n d | _ d | _ d | _
| j r� | j
d 7_
d | _ d | _ d | _
d | _ d | _ d
| _ t � | _ d | _ d | _ d | _ t � | _ d | _ d S)
N� �#Z?abcdfeghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_u| ßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞz
Fz'"�\�"� � r )�
isinstance�strr �instream�infile�sys�stdin�posix�eof�
commenters� wordchars�
whitespace�whitespace_split�quotes�escape�
escapedquotes�stater �pushback�lineno�debug�token� filestack�source)�selfr r r � r$ �*/opt/alt/python35/lib64/python3.5/shlex.py�__init__ s6 zshlex.__init__c C s7 | j d k r# t d t | � � | j j | � d S)z:Push a token onto the stack popped by the get_token methodr zshlex: pushing token N)r �print�reprr �
appendleft)r# �tokr$ r$ r% �
push_token5 s zshlex.push_tokenc C s� t | t � r t | � } | j j | j | j | j f � | | _ | | _ d | _ | j r� | d k r� t d | j f � n t d | j f � 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 s^ | j j � | j j � \ | _ | _ | _ | j rQ t d | j | j f � 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_sourceI s
! zshlex.pop_sourcec C s2 | j r? | j j � } | j d k r; t d t | � � | S| j � } | j d k r� xV | | j k r� | j | j � � } | r� | \ } } | j | | � | j � } q] Wx9 | | j
k r� | j s� | j
S| j � | j � } q� W| j d k r.| | j
k r$t d t | � � n
t d � | S)zBGet a token from the input stream (or from stack if it's nonempty)r zshlex: popping token Nz
shlex: token=zshlex: token=EOF)
r r0 r r' r( �
read_tokenr" �
sourcehookr. � get_tokenr r! r1 )r# r* �raw�specr- r, r$ r$ r% r4 R s.
zshlex.get_tokenc C su d } d } x�| j j d � } | d k r= | j d | _ | j d k rn t d t | j � d t | � � | j d k r� d | _ Pq | j d k r�| s� d | _ Pq| | j k r� | j d k r� t d
� | j s� | j r | r Pq�q q| | j
k r%| j j � | j d | _ q| j rO| | j k rOd } | | _ q| | j
k rs| | _ d | _ q| | j k r�| j s�| | _ | | _ q| j r�| | _ d | _ q| | _ | j s�| j r | r Pqq q | j | j k r�d } | s,| j d k r t d
� t d � � | | j k rm| j sa| j | | _ d | _ Pq�d | _ q| j r�| | j k r�| j | j k r�| j } | | _ q| j | | _ q | j | j k rU| s�| j d k r�t d � t d � � | | j k r9| | j k r9| | k r9| j | j | _ | j | | _ | | _ q | j d k r | swd | _ Pq | | j k r�| j d k r�t d � d | _ | j s�| j r | r Pqq q | | j
k r*| j j � | j d | _ | j rd | _ | j s | j r | r Pqq q | j rN| | j k rN| | _ q | j rx| | j k rxd } | | _ q | | j
k s�| | j k s�| j r�| j | | _ q | j j | � | j d k r�t d � d | _ | j s�| j r | r Pq q q W| j } d | _ | j r;| r;| d k r;d } | j d k rq| rgt d t | � � n
t d � | 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 r s�
zshlex.read_tokenc C s| | d d k r | d d � } t | j t � ri t j j | � ri t j j t j j | j � | � } | 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
%$zshlex.sourcehookc C s8 | d k r | j } | d k r* | j } d | | f S)z<Emit a C-compiler-like, Emacs-friendly error-message leader.Nz"%s", line %d: )r r )r# r r r$ 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 � | 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 s4 t | d | �} d | _ | s* d | _ 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 s2 x+ | j � } | s Pt 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" �