File: //usr/lib/python2.4/compiler/transformer.pyc
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Transforms Python source code into an abstract syntax tree (AST)
defined in the ast module.
The simplest ways to invoke this module are via parse and parseFile.
parse(buf) -> AST
parseFile(path) -> AST
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dc Zj eh ei dd o de Zm df Zn n dg Zo dh Zp di Zq dj Zr dk Zs dl Zt dm Zu dn Zv do Zw ex dp Zy RS(q s Utility object for transforming Python parse trees.
Exposes the following methods:
tree = transform(ast_tree)
tree = parsesuite(text)
tree = parseexpr(text)
tree = parsefile(fileob | filename)
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shift_exprn s $ $ c C s | i | d } x t d t | d D] } | i | | } | | d d t i j o$ t
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arith_expr{ s $ $ c C s | i | d } x t d t | d D] } | i | | } | | d d } | t i
j o t | | g } n | t i j o t
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c C s | d } | d } | i | d | d d } | t i j o t | d | d SnS | t i j o t
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j o) | i | d | t B} | d } q n | t | j o\ | | d } | t i j o | | d } n t d | | i | d | t B} n Pn | i | i | | d } | t | j o Pn | | d t i j o, | i | i | | d | d } n% t | o | i t d n | d } q W| | | f S( Ni i i s unexpected token: %si ( Rz R{ R| Rc R) Ra RU R5 R R RC R t
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Names, slices, and attributes are the only allowable nodes.
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t d n | | d d t i j p t
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| | | q Wt | d t | S( Ni i i s" can't assign to list comprehensionR$ ( R: R R) RU Rc R. t list_forR0 R5 R Rl R R, R R3 t AssListR# ( R, RU R3 R: Rc ( ( R R8 s
2!c C s t | d | d | d S( Ni R$ i ( t AssNameRU R3 ( R, RU R3 ( ( R R9 s c C s | d d } | t i j o | i | | d | Sn | t i j o | i | | d | Sn | t i
j o
t d n t d | d S( Ni i i s can't assign to function calls unknown trailer type: %s( RU R R5 Rm R, t com_assign_attrR5 R3 R9 t com_subscriptlistR7 R0 ( R, R5 RU R3 R ( ( R R7 s
c C s t | | d | d | d S( Ni R$ i( t AssAttrR5 RU R3 ( R, R5 RU R3 ( ( R R? s c C s t | } | d j o% | d } | i | | d Sn g } xD t d | d D]0 } | | } | i | i | | d qW W| | d t | S( s= Compile 'NODE (OP NODE)*' into (type, [ node1, ..., nodeN ]).i i i R$ N( R) Ra R RV R, R R0 R Rc R t constructorR# ( R, RB Ra Rc R0 R RV ( ( R R s
$c C sR | i | | d } | d j p t t | t o | Sn t | g S( Ni ( R, R RU R R Rl R Rh ( R, RU R ( ( R R^ s
c C sb | i | | d } | d j p t t | t o | i | i
n | i | d S( Ni ( R, R RU R R Rl R Rh Rd t extendR R ( R, Rd RU R ( ( R Rf s
R< c C s g } x t d t | D] } | | d t i j o: t | | d j p t | i | d | | Sn | | d t
i j o q n | i | i
| | q Wt | d | d i S( Ni i R$ ( t valuesR R) Ra Rc R. R< Rl R, t com_list_comprehensionR5 R R Rj R R$ ( R, Ra Rc RD ( ( R R s
c C so | d d } g } xE| o=| d d }
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Ni i t fori i t ifR$ i s, unexpected list comprehension element: %s %d( RU R$ t forsR R, R R R Rj R t ListCompFort newforR R) R t
com_list_iterR t
ListCompIft newift ifsR0 t ListCompRQ ( R, RQ RU R RJ R R$ RM RH R R ( ( R RE s.
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R c C s | d d } g } xB| o:| d d }
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| d j o
d } qT| i | d } q t d | | f q Wt | d
_ t t | | d | S( Ni i RF i R$ i RG i s. unexpected generator expression element: %s %di ( RU R$ RH R R, R R R Rj t genNodet
GenExprForRJ R R) R t com_gen_iterR t GenExprIfRM RN R0 t Truet
is_outmostt GenExprt GenExprInnerRQ ( R, RQ RU RQ RJ R R$ RM RH R R ( ( R R G s0
c C s# | d t i j p t | d S( Ni i ( RU R. t gen_iterRl ( R, RU ( ( R RS i s c C sd g } xQ t d t | d D]7 } | i | i | | | i | | d f q Wt | S( Ni i i ( R0 R R) Ra Rc R R, Rj R ( R, Ra Rc R0 ( ( R R m s
5c C s | d d } | t i j o | i | | d Sn | t i j o | i | | d Sn | t i j o | i
| | d t Sn t d | d S( Ni i i s unknown node type: %s(
Ra R R5 R7 R, Rs t primaryNodeRm t com_select_memberR9 R@ t OP_APPLYR0 ( R, RZ Ra R ( ( R R u s c C s< | d t i j o
t d n t | | d d | d S( Ni s member must be a namei R$ i ( Ra R5 RC R0 Rn RZ ( R, RZ Ra ( ( R R[ s
c
C sC | d t i j o t | g d t | Sn g } d } t | } x t
d | d D] }
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Ni R$ i i i s& generator expression needs parenthesiss$ already have the varargs indentifiers# already have the kwargs indentifiers unknown node type: %s( Ra R5 R t CallFuncRZ R# R% t kwR) t len_nodelistR Rc RU R R R, t com_argumentR R RW R. R R0 R R R t star_nodet
dstar_nodet tokR6 Rj (
R, RZ Ra R6 R Rc RU R% R_ Rb Rc R^ Ra ( ( R Rs sD
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c C sD t | d j oI | d d t i j o1 | i | d } d | i | | d f Sn t | d j o/ | o
t d n d | i | d f Sn | i | d } | d } x6 t | d j o" | d t i
j o | d } q W| d t i
j o t d | d n t | d | d | d } d | f S( Ni i i i s! non-keyword arg after keyword args# keyword can't be an expression (%s)R$ ( R) Ra R. R R, Rj R R R^ R0 R RV R5 RC t KeywordRU ( R, Ra R^ RU RV R R ( ( R R` s +
' c C s t | d j o | d } | d d t i j p+ t | d j o- | d d t i j o/ | d d t i j o | i | | | Sq n g } x: t d t | d D] } | i | i | | q Wt | | | d t | S( Ni i i iR$ ( R) Ra t subR5 R R. R R, t com_sliceR5 R3 t
subscriptsR Rc R t
com_subscriptR/ R# ( R, R5 Ra R3 Rg Re Rc ( ( R R@ s
[ c C s | d } | d } | t i j o# | d d t i j o t Sn | t i j p t | d j o | i | Sn | i
| S( Ni i i ( RU R6 R R5 Rm t EllipsisR R) R, t com_sliceobjRj ( R, RU R6 R ( ( R Rh s
( #c C sE g } | d d t i j o | i t d d } n! | i | i | d d } | t
| j o@ | | d t i j o( | i | i | | | d } n | i t d xk t
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| d j o | i t d q | i | i | d q Wt | d t | S( Ni i i i R$ ( R0 RU R5 R R R R Rc R, Rj R) R. R R t jR6 t SliceobjR# ( R, RU R6 Rc R0 Rk ( ( R Rj s"
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c C s d } } t | d j oF | d d t i j o | i | d } q | i | d } n> t | d j o* | i | d } | i | d } n t | | | | d t | S( Ni i i i i R$ (
R t lowert upperR) RU R5 R R, Rj R. R5 R3 R# ( R, R5 RU R3 Rn Rm ( ( R Rf s
c C s | d j o | d } | d } n | t i j of t | d j o | i | d Sn x3 | D]+ } | d t i j o | i | Sqd qd Wd Sn | t i
j o> x3 | D]+ } | d t i j o | i | Sq q Wd Sn | t i j oS | d d t i
j o3 d } x" | D] } | t | d } q W| Sn d Sn | t i j p | t i j p | t i j o | i | d Sn | t j o( t | d j o | i | d Sn d S( Ni i RR ( RV R RU R. RO R) R, R` Re R RY R
R5 RA t sR R R t
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testlist_safet testlist1R1 R R R R R RQ R R R R R R R R
R8 R: R< R> R@ R RB RD R t _callersRj R4 Ry R R R R$ R R' R R R R R R R R2 R8 R9 R7 R? R R^ Rf R R. R RE RK R RS R R R[ Rs R` R@ Rh Rj Rf R R` ( ( ( R R _ s
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