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//lib/python2.7/compiler/symbols.pyc
� xFWgc @ s= d Z d d l m Z d d l m Z m Z m Z m Z m Z m Z d d l m Z d d l Z d d l Z d Z d d d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d d d � � YZ d � Z e d k r9d d l Z d d l m Z m Z d d l Z d � Z x�e j d D]�Z e GHe e � Z e j � Z! e j" � e j e! e d � Z# e e# � Z$ e e � Z% e � Z& e e% e& � e& j' e% j � Z( e e$ e( � s"Hd Ge GHe) e$ � GHe) e( � GHe j* d � n i Z+ e+ j, e& j' � e+ e% =e+ j- � Z' [+ x� e# j. � D]� Z& e& j/ � r[g e' D]! Z0 e0 j1 e& j2 � k rte0 ^ qtZ3 e4 e3 � d k r�d Ge& j2 � GHq.e e e& j5 � � e3 d j � � s.e& j2 � GHe) e e& j5 � � � GHe) e3 d j � � GHe j* d � q.q[q[Wq`Wn d S( s Module symbol-table generatori����( t ast( t SC_LOCALt SC_GLOBAL_IMPLICITt SC_GLOBAL_EXPLICITt SC_FREEt SC_CELLt SC_UNKNOWN( t mangleNi t Scopec B s� e Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( c C s� | | _ | | _ i | _ i | _ i | _ i | _ i | _ i | _ g | _ d | _ d | _ d | _ | d k r� x> t t | � � D]' } | | d k r� | | | _ Pq� q� Wn d S( Nt _( t namet modulet defst usest globalst paramst freest cellst childrent Nonet nestedt generatort klasst ranget len( t selfR R R t i( ( s& /usr/lib/python2.7/compiler/symbols.pyt __init__ s" c C s d | j j | j f S( Ns <%s: %s>( t __class__t __name__R ( R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt __repr__% s c C s# | j d k r | St | | j � S( N( R R R ( R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyR ( s c C s d | j | j | � <d S( Ni ( R R ( R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt add_def- s c C s d | j | j | � <d S( Ni ( R R ( R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt add_use0 s c C sy | j | � } | | j k s0 | | j k r0 n | | j k rX t d | | j f � n d | j | <| j j | � d S( Ns %s in %s is global and parameteri ( R R R R t SyntaxErrorR R R R ( R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt add_global3 s c C s- | j | � } d | j | <d | j | <d S( Ni ( R R R ( R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt add_param= s c C s@ i } | j | j � | j | j � | j | j � | j � S( N( t updateR R R t keys( R t d( ( s& /usr/lib/python2.7/compiler/symbols.pyt get_namesB s c C s | j j | � d S( N( R t append( R t child( ( s& /usr/lib/python2.7/compiler/symbols.pyt add_childI s c C s | j S( N( R ( R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt get_childrenL s c C s� t j | j I| j r d p" d IJt j d I| j IJt j d I| j IJt j d I| j IJt j d I| j IJt j d I| j IJd S( NR t s globals: s cells: s defs: s uses: s frees:( t syst stderrR R R R R R R ( R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt DEBUGO s %c C sy | | j k r t S| | j k r& t S| | j k r9 t S| j rd | | j k s` | | j k rd t S| j rq t St Sd S( sb Return scope of name. The scope of a name could be LOCAL, GLOBAL, FREE, or CELL. N( R R R R R R R R R R R R ( R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt check_nameW s ' c C sr | j s d Si } | j | j � xB | j j � D]1 } | | j k r3 | | j k r3 d | | <q3 q3 W| j � S( Ni ( ( R R$ R R R% R R ( R t freeR ( ( s& /usr/lib/python2.7/compiler/symbols.pyt get_free_varsi s c C sQ xJ | j D]? } | j � } | j | � } x | D] } | j | � q2 Wq Wd S( N( R R2 t add_freest force_global( R R) R R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt handle_childrens s c C sf d | j | <| | j k r) | j | =n x6 | j D]+ } | j | � t k r3 | j | � q3 q3 Wd S( s� Force name to be global in scope. Some child of the current node had a free reference to name. When the child was processed, it was labelled a free variable. Now that all its enclosing scope have been processed, the name is known to be a global or builtin. So walk back down the child chain and set the name to be global rather than free. Be careful to stop if a child does not think the name is free. i N( R R R R0 R R4 ( R R R) ( ( s& /usr/lib/python2.7/compiler/symbols.pyR4 z s c C s g } x� | D]� } | j | � } | j r� | t k sR | t k sR t | t � rb d | j | <q | t k r~ | j | � q t | t � r� | t k r� d | j | <q | t k r | j | � q q | t k r� d | j | <q | t k r | j | � q q W| S( s� Process list of free vars from nested scope. Returns a list of names that are either 1) declared global in the parent or 2) undefined in a top-level parent. In either case, the nested scope should treat them as globals. i ( R0 R R R t isinstancet ClassScopeR R R( t FunctionScopeR R R ( R t namest child_globalsR t sc( ( s& /usr/lib/python2.7/compiler/symbols.pyR3 � s$ c C s | j j � S( N( R R% ( R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt get_cell_vars� s N( R t __module__R R R R R R R" R# R' R* R+ R/ R0 R2 R5 R4 R3 R< ( ( ( s& /usr/lib/python2.7/compiler/symbols.pyR s" t ModuleScopec B s e Z e j Z d � Z RS( c C s | j d | � d S( Nt global( t _ModuleScope__super_init( R ( ( s& /usr/lib/python2.7/compiler/symbols.pyR � s ( R R= R R R@ ( ( ( s& /usr/lib/python2.7/compiler/symbols.pyR> � s R8 c B s e Z RS( ( R R= ( ( ( s& /usr/lib/python2.7/compiler/symbols.pyR8 � s t GenExprScopec B s, e Z e j Z d Z d d � Z d � Z RS( i c C s@ | j } | j d 7_ | j d | | | � | j d � d S( Ni s generator expression<%d>s .0( t _GenExprScope__countert _GenExprScope__super_initR# ( R R R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyR � s c C s t j | � } | S( N( R R' ( R R% ( ( s& /usr/lib/python2.7/compiler/symbols.pyR' � s N( R R= R R RC RB R R' ( ( ( s& /usr/lib/python2.7/compiler/symbols.pyRA � s t LambdaScopec B s# e Z e j Z d Z d d � Z RS( i c C s3 | j } | j d 7_ | j d | | | � d S( Ni s lambda.%d( t _LambdaScope__countert _LambdaScope__super_init( R R R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyR � s N( R R= R R RF RE R ( ( ( s& /usr/lib/python2.7/compiler/symbols.pyRD � s R7 c B s e Z e j Z d � Z RS( c C s | j | | | � d S( N( t _ClassScope__super_init( R R R ( ( s& /usr/lib/python2.7/compiler/symbols.pyR � s ( R R= R R RG ( ( ( s& /usr/lib/python2.7/compiler/symbols.pyR7 � s t SymbolVisitorc B s e Z d � Z d � Z e Z d � Z d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d d � Z d d � Z d d � Z d d � Z d � Z e j e j e j f Z d � Z d � Z RS( c C s i | _ d | _ d S( N( t scopesR R ( R ( ( s& /usr/lib/python2.7/compiler/symbols.pyR � s c C s2 t � } | _ | j | <| j | j | � d S( N( R> R RI t visitt node( R RK t scope( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitModule� s c C s� | j r | j | j | � n | j | j � x! | j D] } | j | | � q9 Wt | j | j | j � } | j s� t | t � r� d | _ n | | j | <| j | | j � | j | j | � | j | | � d S( Ni ( t decoratorsRJ R R t defaultsR8 R R R R6 RI t _do_argst argnamest codet handle_free_vars( R RK t parentt nRL ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitFunction� s c C s| t | j | j � } | j s< t | t � s< t | t � rH d | _ n | | j | <| j | j | � | j | | � d S( Ni ( RA R R R R6 R8 RI RJ RR RS ( R RK RT RL ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitGenExpr� s c C s; x! | j D] } | j | | � q W| j | j | � d S( N( t qualsRJ t expr( R RK RL t genfor( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitGenExprInner� s c C sQ | j | j | d � | j | j | � x! | j D] } | j | | � q3 Wd S( Ni ( RJ t assignt itert ifs( R RK RL t if_( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitGenExprFor s c C s | j | j | � d S( N( RJ t test( R RK RL ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitGenExprIf s i c C s� | s t � x! | j D] } | j | | � q Wt | j | j � } | j s^ t | t � rj d | _ n | | j | <| j | | j � | j | j | � | j | | � d S( Ni ( t AssertionErrorRO RJ RD R R R R6 R8 RI RP RQ RR RS ( R RK RT R\ RU RL ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitLambda s c C sJ xC | D]; } t | � t j k r5 | j | | � q | j | � q Wd S( N( t typet typest TupleTypeRP R# ( R RL t argsR ( ( s& /usr/lib/python2.7/compiler/symbols.pyRP s c C s | j | � | j � d S( N( R* R5 ( R RL RT ( ( s& /usr/lib/python2.7/compiler/symbols.pyRS s c C s� | j | j � x! | j D] } | j | | � q Wt | j | j � } | j sa t | t � rm d | _ n | j d k r� | j d � n | j d � | | j | <| j } | j | _ | j | j | � | | _ | j | | � d S( Ni t __doc__R= ( R R t basesRJ R7 R R R6 R8 t docR RI R RR RS ( R RK RT RU RL t prev( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitClass$ s c C s- | r | j | j � n | j | j � d S( N( R R R ( R RK RL R\ ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitName; s c C s_ | j | j | d � | j | j | � | j | j | � | j r[ | j | j | � n d S( Ni ( RJ R\ t listt bodyt else_( R RK RL ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitForC s c C sC x< | j D]1 \ } } | d k r( q n | j | p7 | � q Wd S( Nt *( R9 R ( R RK RL R t asname( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitFromJ s c C sY xR | j D]G \ } } | j d � } | d k r> | | } n | j | pM | � q Wd S( Nt .i����( R9 t findR ( R RK RL R Rt R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitImportP s c C s% x | j D] } | j | � q Wd S( N( R9 R" ( R RK RL R ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitGlobalW s c C s> x$ | j D] } | j | | d � q W| j | j | � d S( s. Propagate assignment flag down to child nodes. The Assign node doesn't itself contains the variables being assigned to. Instead, the children in node.nodes are visited with the assign flag set to true. When the names occur in those nodes, they are marked as defs. Some names that occur in an assignment target are not bound by the assignment, e.g. a name occurring inside a slice. The visitor handles these nodes specially; they do not propagate the assign flag to their children. i N( t nodesRJ RY ( R RK RL RU ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitAssign[ s i c C s | j | j � d S( N( R R ( R RK RL R\ ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitAssNamel s c C s | j | j | d � d S( Ni ( RJ RY ( R RK RL R\ ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitAssAttro s c C sA | j | j | d � x$ | j D] } | j | | d � q Wd S( Ni ( RJ RY t subs( R RK RL R\ RU ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitSubscriptr s c C s^ | j | j | d � | j r8 | j | j | d � n | j rZ | j | j | d � n d S( Ni ( RJ RY t lowert upper( R RK RL R\ ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitSlicew s c C sX | j | j | � t | j t j � rA | j | j | d � n | j | j | � d S( Ni ( RJ RK R6 R t NameRY ( R RK RL ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitAugAssign~ s c C s� xv | j D]k \ } } t | t j � rU t | j � | j k rU | j sR q qR qU n | j | | � | j | | � q W| j r� | j | j | � n d S( N( t testsR6 R t ConstRe t valuet _const_typesRJ Rq ( R RK RL Ra Rp ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitIf� s c C s d | _ | j | j | � d S( Ni ( R RJ R� ( R RK RL ( ( s& /usr/lib/python2.7/compiler/symbols.pyt visitYield� s ( R R= R RM t visitExpressionRV RW R[ R` Rb Rd RP RS Rm Rn Rr Ru Rx Ry R{ R| R} R R� R� Rf t StringTypet IntTypet FloatTypeR� R� R� ( ( ( s& /usr/lib/python2.7/compiler/symbols.pyRH � s4 c C s t | � t | � k S( N( t sorted( t l1t l2( ( s& /usr/lib/python2.7/compiler/symbols.pyt list_eq� s t __main__( t parseFilet walkc C sT g g | j � D] } | j � ^ q D]* } | j d � pG | j d � s& | ^ q& S( Ns _[Rv ( t get_symbolst get_namet startswith( t symst s( ( s& /usr/lib/python2.7/compiler/symbols.pyR' � s ,i t exect oopst skippingi ( ( (6 Ri t compilerR t compiler.constsR R R R R R t compiler.miscR Rf R- t MANGLE_LENR R> R8 RA RD R7 RH R� R R� R� t symtableR' t argvt filet opent ft readt buft closeR� t mod_namest treeR� RI t names2R� t exitR& R$ t valuesR� t is_namespaceR; R R� t lR t get_namespace( ( ( s& /usr/lib/python2.7/compiler/symbols.pyt <module> sj . � � !