�`^c@s�dZd
dl
mZ
d
dlmZ
d
dlmZ
d
dlm	Z	m
Z
mZ
dZdej
f
d��YZd	�Zd
�Zd�ZdS(
s.Fixer for it.next() -> next(it), per PEP 3114.i(
ttoken(
tpython_symbols(
t
fixer_base(tNametCalltfind_bindings;Calls to builtin next() possibly shadowed by global bindingtFixNextc
Bs,eZ
eZdZd
Zd�Zd�ZRS(s�
    power< base=any+ trailer< '.' attr='next' > trailer< '(' ')' > >
    |
    power< head=any+ trailer< '.' attr='next' > not trailer< '(' ')' > >
    |
    classdef< 'class' any+ ':'
              suite< any*
                     funcdef< 'def'
                              name='next'
                              parameters< '(' NAME ')' > any+ >
                     any* > >
    |
    global=global_stmt< 'global' any* 'next' any* >
    tprecCsWtt
|�j|
|�
td
|
�}|rJ|j|t�
t|_n	t|_dS(Nunext(	tsuperRt
start_treeRtwarningtbind_warningtTruet
shadowed_nexttFalse(tselfttreetfilenamet
n((s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pyR	$s



cCs�|jd
�}|jd�}|jd�}|r�|j
r[|jtdd|j�
�
q
g|D]}|j�^qb}d|d_|
jttdd|
j�
|��
n�|r�tdd|j�
}|j|�
n�|rW
t|
�rA
|d	}d
jg|D]}t	|�^q
�j
�dkr=
|j|
t�
ndS|jtd��
n(d|kr
|j|
t�
t
|_
ndS(
Ntbasetattrtnameu__next__tprefixuiunexttheadtu__builtin__tglobal(tgetR
treplaceRRtcloneRtis_assign_targettjointstrtstripR
RR(RtnodetresultsRRRRR((s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pyt	transform.s,


	



(






4





(t__name__t
__module__Rt
BM_compatibletPATTERNtorderR	R#(((s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pyRs

	
c
Cs]t|�}
|
dkrtSx:|
jD]/}|jtjkrBtSt||�r&tSq&WtS(
N(	tfind_assigntNoneRtchildrenttypeRtEQUALt
is_subtreeR(R!tassigntchild((s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pyRQs







c

CsH|jt
jkr|S|jt
jks7|jdkr;dSt|j�S(
N(R,tsymst	expr_stmttsimple_stmttparentR*R)(
R!((s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pyR)]s



!

cs-|�krtSt
�f
d
�|jD��S(Nc
3s|]}
t|
��V
qdS(
N(
R.(t.0t
c(
R!(s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pys	<genexpr>gs(RtanyR+(trootR!((
R!s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pyR.ds


N(t__doc__tpgen2RtpygramR
R1RRt
fixer_utilRRRRtBaseFixRRR)R.(((s,/sys/lib/python2.7/lib2to3/fixes/fix_next.pyt<module>
s


@