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CodeGeneratorc B sB e Z d Z d Z d Z d Z d Z d Z d Z d Z
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Z d Z d Z e d Z e Z d Z d Z d Z d Z d Z d 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/ d% Z0 d& Z1 d' Z2 d( Z3 d) Z4 d* Z5 d+ Z6 d, Z7 d Z8 d- Z9 d. Z: d/ Z; d0 Z< d1 Z= d2 Z> d3 Z? d4 Z@ d5 ZA d6 ZB d7 ZC d8 ZD d9 ZE d: ZF d; d< ZG eH d= j o eG ZI eG ZJ n d> ZI d? ZJ d@ ZK h dA dB 6dC dD 6dE dF 6dG dH 6dI dJ 6dK dL 6dM dN 6dO dP 6dQ dR 6dS dT 6dU dV 6dW dX 6ZL dY ZM dZ ZN d[ ZO d\ ZP d] ZQ d^ ZR d d_ ZS d` ZT da ZU db ZV d dc ZW d dd ZX de ZY df ZZ dg Z[ dh Z\ di Z] dj Z^ dk Z_ dl Z` dm Za dn Zb do Zc dp Zd dq Ze dr Zf ds Zg dt Zh du Zi dv Zj dw Zk dx Zl dy Zm dz Zn d{ Zo d| Zp d} Zq d~ Zr RS( s Defines basic code generator for Python bytecode
This class is an abstract base class. Concrete subclasses must
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The concrete class must also define the class attributes
NameFinder, FunctionGen, and ClassGen. These attributes can be
defined in the initClass() method, which is a hook for
initializing these methods after all the classes have been
defined.
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class_nameR. R t mangle( R: RX ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s c C s t i } t | | | i S( N( R t
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R R R/ ( R: t prefixRX R ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s
c C s: | i o | i | d | n | i | d | d S( s Emit name ops for names generated implicitly by for loops
The interpreter generates names that start with a period or
dollar sign. The symbol table ignores these names because
they aren't present in the program text.
R R N( R R ( R: R RX ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt _implicitNameOp( s
c C sX t | d d } | d j o5 | | i j p | o | i d | | | _ t St S( s Emit SET_LINENO if necessary.
The instruction is considered necessary if the node has a
lineno attribute and it is different than the last lineno
emitted.
Returns true if SET_LINENO was emitted.
There are no rules for when an AST node should have a lineno
attribute. The transformer and AST code need to be reviewed
and a consistent policy implemented and documented. Until
then, this method works around missing line numbers.
t linenot
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c C s | i d | i d S( NR ( R Rk ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitConsta s c C s' | i d | i | i | i d S( NR ( R RX R R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitKeywordd s c C s d S( N( ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR` h s c C s! | i | | i | i d S( N( R R RX ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitNamel s
c C s | i | d S( N( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitPassp s c C s | i | | i i t o d n d } x | i D] \ } } t d j o$ | i d | | i d d n | i d | | i d d } | o | i | | i
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| q7 Wd S( Ni ii R t IMPORT_NAMEt .( R R t checkFlagR RU t VERSIONR R. t splitt _resolveDotsR ( R: R^ t levelRX Rc R) ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRd s s
c C s` | i | | i } | d j o | i i t o
d } n t d | i D } t d j o$ | i d | | i d | n | i d | i x | i D] \ } } t d j oz | d j o8 d | _
| i d t | i d j p t d S| i d | | i
| | i | p | q | i d | q W| i d
d S( Ni ic s s x | ] \ } } | Vq Wd S( N( ( t .0RX Rc ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pys s i R R? t *t IMPORT_STARt IMPORT_FROMR ( R RE R RA R t tupleRU RB R t modnamet namespaceR R RD R ( R: R^ RE t fromlistRX Rc ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRe s,
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c C sP | i d } t | d j o d Sx" | d D] } | i d | q2 Wd S( NR@ i R2 ( RC R R ( R: RX t eltsR\ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRD s c C s0 | i | i | i d | i | i d S( NR2 ( R R R R t attrname( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitGetattr s c C s | i | | i | i t | i d } xl t t | i D]U } | i | } | | j o | i d n t | t i o | i | qF qF Wd S( Ni R (
R R R R R R R Ri R t Node( R: R^ t dupsR R\ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAssign s
c C se | i d j o | i | i n> | i d j o! | i | | i | i n
d G| i GHd S( Nt OP_ASSIGNt OP_DELETEt oops( R6 R RX R R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRg s
c C s | i | i | i d j o | i d | i | i nB | i d j o | i d | i | i n d G| i GH| GHd S( NRT t
STORE_ATTRRU t DELETE_ATTRs warning: unexpected flags:( R R R6 R R RO ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAssAttr s t UNPACK_SEQUENCEc C sU t | d j o | i | t | i n x | i D] } | i | q: Wd S( NRU ( t findOpR R R R ( R: R^ R R ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt _visitAssSequence s
i c C s | i | d d S( Nt UNPACK_TUPLE( R\ ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitAssTuple s c C s | i | d d S( Nt UNPACK_LIST( R\ ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAssList s c C sg | i | t | i } | i | d | i | i | i | i | i | i | d d S( Nt loadt store( R t wrap_augR^ R R R t _augmented_opcodeR ( R: R^ t aug_node( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAugAssign s
t INPLACE_ADDs +=t INPLACE_SUBTRACTs -=t INPLACE_MULTIPLYs *=t INPLACE_DIVIDEs /=t INPLACE_FLOOR_DIVIDEs //=t INPLACE_MODULOs %=t
INPLACE_POWERs **=t INPLACE_RSHIFTs >>=t INPLACE_LSHIFTs <<=t INPLACE_ANDs &=t INPLACE_XORs ^=t
INPLACE_ORs |=c C sF | d j o | i | i n" | d j o | i | i n d S( NRa Rb ( R RX R ( R: R^ R5 ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAugName s
c C s | d j o= | i | i | i d | i d | i | i n; | d j o- | i d | i d | i | i n d S( NRa R R2 Rb R RW ( R R R R RO ( R: R^ R5 ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAugGetattr s
c C s | d j o | i | d n | d j o d } | i o | d B} n | i o | d B} n | d j o | i d n, | d j o | i d n | i d | i d
| n d S( NRa i Rb i i R i t ROT_FOURR s STORE_SLICE+%d( t
visitSlicet lowert upperR ( R: R^ R5 t slice( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitAugSlice s
c C sP | d j o | i | d n, | d j o | i d | i d n d S( NRa i Rb R t STORE_SUBSCR( t visitSubscriptR ( R: R^ R5 ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAugSubscript s
c C s | i | i | i d j o | i d d n | i | i | i d j o | i d n | i | i | i d d S( NR R t EXEC_STMT( R R Ry R. R RV ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitExec s c C s d } d } | i | | i | i xI | i D]> } | i | t | t i o | d } q3 | d } q3 W| i d j o | i | i n | i d j o | i | i n | i d j } | i d j } t
| | f } | i | | d >| B d S( Ni i i ( R R R^ R Ri R t Keywordt star_argsR. t
dstar_argst callfunc_opcode_infoR ( R: R^ t post kwt argt have_start
have_dstart opcode( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitCallFunc# s$
c C s | i | | i o | i | i n xn | i D]c } | i o | i d n | i | | i o | i d | i d q5 | i d q5 W| i o | o | i d n d S( NR R t
PRINT_ITEM_TOt
PRINT_ITEMR ( R t destR R R ( R: R^ t newlineR ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitPrint7 s
c C s? | i | d d | i o | i d n | i d d S( NR i t PRINT_NEWLINE_TOt
PRINT_NEWLINE( R R R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitPrintnlG s
c C s. | i | | i | i | i d d S( NR ( R R Rk R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitReturnN s
c C s. | i | | i | i | i d d S( NR ( R R Rk R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitYieldS s
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| n5 | i d j o | i d | n d
G| i GH d S( Ni i i R i t DUP_TOPXt OP_APPLYs SLICE+%dRT s STORE_SLICE+%dRU s DELETE_SLICE+%ds weird slice( R R Rw Rx R R6 ( R: R^ t aug_flagRy ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRv Z s,
c C s | i | i x | i D] } | i | q Wt | i d j o | i d t | i n | o | i d d n | i d j o | i d nC | i d j o | i d n" | i d j o | i d
n d S( Ni R R i R t
BINARY_SUBSCRRT R{ RU t
DELETE_SUBSCR( R R t subsR R R6 ( R: R^ R t sub( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR| u s
c C s1 | i | i | i | i | i | d S( N( R t leftt rightR ( R: R^ R ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt binaryOp s c C s | i | d S( Nt
BINARY_ADD( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitAdd s c C s | i | d S( Nt BINARY_SUBTRACT( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitSub s c C s | i | d S( Nt BINARY_MULTIPLY( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitMul s c C s | i | | i S( N( R R} ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitDiv s c C s | i | d S( Nt BINARY_FLOOR_DIVIDE( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitFloorDiv s c C s | i | d S( Nt
BINARY_MODULO( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitMod s c C s | i | d S( Nt BINARY_POWER( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitPower s c C s | i | d S( Nt
BINARY_LSHIFT( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitLeftShift s c C s | i | d S( Nt
BINARY_RSHIFT( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitRightShift s c C s! | i | i | i | d S( N( R R R ( R: R^ R ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt unaryOp s c C s | i | d S( Nt UNARY_INVERT( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitInvert s c C s | i | d S( Nt UNARY_NEGATIVE( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitUnarySub s c C s | i | d S( Nt UNARY_POSITIVE( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitUnaryAdd s c C s | i | d S( NR ( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitUnaryInvert s c C s | i | d S( Nt UNARY_NOT( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitNot s c C s | i | d S( Nt
UNARY_CONVERT( R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitBackquote s c C sD | i | d x, | d D] } | i | | i | q Wd S( Ni i ( R R ( R: R R R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt bitOp s
c C s | i | i d S( Nt
BINARY_AND( R R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitBitand s c C s | i | i d S( Nt BINARY_OR( R R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitBitor s c C s | i | i d S( Nt
BINARY_XOR( R R ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitBitxor s c C s | i d t d S( NR ( R t Ellipsis( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitEllipsis s c C sK | i | x | i D] } | i | q W| i d t | i d S( NR ( R R R R R ( R: R^ R\ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitTuple s
c C sK | i | x | i D] } | i | q W| i d t | i d S( NR ( R R R R R ( R: R^ R\ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt visitList s
c C s> x | i D] } | i | q
W| i d t | i d S( Nt BUILD_SLICE( R R R R ( R: R^ R ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyt
visitSliceobj s
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RA RB Rm R; R R. R R R~ R: ( ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRD s t AbstractFunctionCodec B sG e Z d Z d Z d Z d Z d Z d Z d Z e Z RS( i i c C sW | | _ | | _ | o' t } d | i } | i d | _ n
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N( RA RB Rm R; R R. R R R ( ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR w s t AbstractClassCodec B s# e Z d Z d Z d Z RS( c C s | i | _ | | _ t i | i | i d d d d | _ | i t | i | i
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c C s | i S( N( R ( R: ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR~ s c C s+ | i i | i d | i d d S( Nt LOAD_LOCALSR ( R R R ( R: ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s
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c C s# t } t | | d d | i S( s5 Find the op (DELETE, LOAD, STORE) in an AssTuple treeR i ( t OpFinderR R ( R^ R ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR[ s R c B s& e Z d Z d Z e Z e Z RS( c C s
d | _ d S( N( R. R ( R: ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR; s c C sD | i d j o | i | _ n! | i | i j o
t d n d S( Ns mixed ops in stmt( R R. R6 R2 ( R: R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRg s ( RA RB R; Rg RY R| ( ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s t Delegatorc B s e Z d Z d Z d Z RS( s Base class to support delegation for augmented assignment nodes
To generator code for augmented assignments, we use the following
wrapper classes. In visitAugAssign, the left-hand expression node
is visited twice. The first time the visit uses the normal method
for that node . The second time the visit uses a different method
that generates the appropriate code to perform the assignment.
These delegator classes wrap the original AST nodes in order to
support the variant visit methods.
c C s
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AugGetattrc B s e Z RS( ( RA RB ( ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s t AugNamec B s e Z RS( ( RA RB ( ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s t AugSlicec B s e Z RS( ( RA RB ( ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s t AugSubscriptc B s e Z RS( ( RA RB ( ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyR s c C s t | i | S( N( t wrapperRv ( R^ ( ( s* /usr/lib64/python2.6/compiler/pycodegen.pyRc s t __main__(L RQ RJ RI RM t syst cStringIOR t compilerR R R R R R R R t compiler.constsR R
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