B
7 @ sN d Z ddlZddlmZmZmZmZmZmZmZm Z m
Z
m Z m Z m
Z
mZmZ ddlZdddddgZd d ZG d
d d Ze ZG d d deZG d
d deZG dd deZG dd deZedkrJddlZddl Z e e j d Z e Z!W dQ R X ee!ej"#e j d d dZ$x0e$% D ]$Z&e$'e&Z(e)e(e(* e(+ q"W dS )z2Interface to the compiler's internal symbol tables N)USE
DEF_GLOBAL DEF_LOCAL DEF_PARAM
DEF_IMPORT DEF_BOUND DEF_ANNOT SCOPE_OFF
SCOPE_MASKFREELOCALGLOBAL_IMPLICITGLOBAL_EXPLICITCELLsymtable SymbolTableClassFunctionSymbolc C s t | ||}t||S )N) _symtabler _newSymbolTable)codefilenameZ compile_typetop r -/opt/alt/python37/lib64/python3.7/symtable.pyr s c @ s$ e Zd Zdd Zdd Zdd ZdS )SymbolTableFactoryc C s t | _d S )N)weakrefZWeakValueDictionary_SymbolTableFactory__memo)selfr r r __init__ s zSymbolTableFactory.__init__c C s6 |j tjkrt||S |j tjkr,t||S t||S )N)typer
TYPE_FUNCTIONr
TYPE_CLASSr r )r tabler r r r new s
zSymbolTableFactory.newc C s8 ||f}| j |d }|d kr4| || }| j |< |S )N)r getr% )r r$ r keyobjr r r __call__ s
zSymbolTableFactory.__call__N)__name__
__module__ __qualname__r r% r) r r r r r s r c @ s e Zd Zdd Zdd Zdd Zdd Zd d
Zd d Zd
d Z dd Z
dd Z dd Z dd Z
dd Zdd Zdd Zd d Zd S ) r c C s || _ || _i | _d S )N)_table _filename_symbols)r Z raw_tabler r r r r ' s zSymbolTable.__init__c C sN | j tkrd}n d| j j }| jjdkr6d|| jS d|| jj| jS d S )N z%s globalz <{0}SymbolTable for module {1}>z <{0}SymbolTable for {1} in {2}>) __class__r r* r- nameformatr. )r Zkindr r r __repr__, s
zSymbolTable.__repr__c C sX | j jtjkrdS | j jtjkr$dS | j jtjkr6dS | j jdksTtd| j jd S )NmoduleZfunctionclass) zunexpected type: {0})r- r! r Z TYPE_MODULEr" r# AssertionErrorr4 )r r r r get_type9 s zSymbolTable.get_typec C s | j jS )N)r- id)r r r r get_idC s zSymbolTable.get_idc C s | j jS )N)r- r3 )r r r r get_nameF s zSymbolTable.get_namec C s | j jS )N)r- lineno)r r r r
get_linenoI s zSymbolTable.get_linenoc C s t | jjtjkS )N)boolr- r! r r" )r r r r is_optimizedL s zSymbolTable.is_optimizedc C s t | jjS )N)rB r- nested)r r r r is_nestedO s zSymbolTable.is_nestedc C s t | jjS )N)rB r- children)r r r r has_childrenR s zSymbolTable.has_childrenc C s dS )z7Return true if the scope uses exec. Deprecated method.Fr )r r r r has_execU s zSymbolTable.has_execc C s | j j S )N)r- symbolskeys)r r r r get_identifiersY s zSymbolTable.get_identifiersc C sD | j |}|d kr@| jj| }| |}t||| }| j |< |S )N)r/ r& r- rI _SymbolTable__check_childrenr )r r3 Zsymflags
namespacesr r r lookup\ s
zSymbolTable.lookupc s fdd D S )Nc s g | ]} |qS r )rO ).0ident)r r r
e s z+SymbolTable.get_symbols..)rK )r r )r r get_symbolsd s zSymbolTable.get_symbolsc s fddj jD S )Nc s" g | ]}|j krt|jqS r )r3 r r. )rP st)r3 r r r rR h s z0SymbolTable.__check_children..)r- rF )r r3 r )r3 r r Z__check_childreng s z SymbolTable.__check_childrenc s fdd j jD S )Nc s g | ]}t | jqS r )r r. )rP rT )r r r rR m s z,SymbolTable.get_children..)r- rF )r r )r r get_childrenl s
zSymbolTable.get_childrenN)r* r+ r, r r5 r< r> r? rA rC rE rG rH rK rO rS rL rU r r r r r % s
c @ sD e Zd ZdZdZdZdZdd Zdd Zdd Z dd Z
d
d Z dS ) r Nc s t fdd D S )Nc 3 s" | ]} j j| r|V qd S )N)r- rI )rP rQ )r test_funcr r z s z-Function.__idents_matching..)tuplerK )r rV r )r rV r Z__idents_matchingy s zFunction.__idents_matchingc C s | j d kr| dd | _ | j S )Nc S s | t @ S )N)r )xr r r z)Function.get_parameters..)_Function__params_Function__idents_matching)r r r r get_parameters} s
zFunction.get_parametersc s0 | j d kr*ttf fdd}| || _ | j S )Nc s | t ? t@ kS )N)r r
)rY )locsr r rZ r[ z%Function.get_locals..)_Function__localsr r r] )r testr )r_ r
get_locals s
zFunction.get_localsc s0 | j d kr*ttf fdd}| || _ | j S )Nc s | t ? t@ kS )N)r r
)rY )globr r rZ r[ z&Function.get_globals..)_Function__globalsr
r r] )r ra r )rc r get_globals s
zFunction.get_globalsc C s$ | j d kr dd }| || _ | j S )Nc S s | t ? t@ tkS )N)r r
r )rY r r r rZ r[ z$Function.get_frees..)_Function__freesr] )r is_freer r r get_frees s
zFunction.get_frees) r* r+ r, r\ r` rf rd r] r^ rb re rh r r r r r q s c @ s e Zd ZdZdd ZdS )r Nc C s: | j d kr4i }x| jjD ]}d||j< qW t|| _ | j S )Nr8 )_Class__methodsr- rF r3 rX )r drT r r r get_methods s
zClass.get_methods)r* r+ r, ri rk r r r r r s c @ s e Zd Zd ddZdd Zdd Zdd Zd
d Zd d
Zdd Z dd Z
dd Z dd Z dd Z
dd Zdd Zd d Zd d ZdS )!r Nc C s( || _ || _|t? t@ | _|p d| _d S )Nr )
_Symbol__name_Symbol__flagsr r
_Symbol__scope_Symbol__namespaces)r r3 rM rN r r r r s zSymbol.__init__c C s d | jS )Nz)r4 rl )r r r r r5 s zSymbol.__repr__c C s | j S )N)rl )r r r r r? s zSymbol.get_namec C s t | jtj@ S )N)rB rm r r )r r r r
is_referenced s zSymbol.is_referencedc C s t | jt@ S )N)rB rm r )r r r r is_parameter s zSymbol.is_parameterc C s t | jttfkS )N)rB rn r
r )r r r r is_global s zSymbol.is_globalc C s t | jtkS )N)rB rn r )r r r r is_declared_global s zSymbol.is_declared_globalc C s t | jttfkS )N)rB rn r r )r r r r is_local s zSymbol.is_localc C s t | jt@ S )N)rB rm r )r r r r is_annotated s zSymbol.is_annotatedc C s t | jtkS )N)rB rn r )r r r r rg s zSymbol.is_freec C s t | jt@ S )N)rB rm r )r r r r is_imported s zSymbol.is_importedc C s t | jt@ S )N)rB rm r )r r r r is_assigned s zSymbol.is_assignedc C s
t | jS )a Returns true if name binding introduces new namespace.
If the name is used as the target of a function or class
statement, this will be true.
Note that a single name can be bound to multiple objects. If
is_namespace() is true, the name may also be bound to other
objects, like an int or list, that does not introduce a new
namespace.
)rB ro )r r r r is_namespace s zSymbol.is_namespacec C s | j S )z.Return a list of namespaces bound to this name)ro )r r r r get_namespaces s zSymbol.get_namespacesc C s t | jdkrtd| jd S )zReturns the single namespace bound to this name.
Raises ValueError if the name is bound to multiple namespaces.
r8 z$name is bound to multiple namespacesr )lenro
ValueError)r r r r
get_namespace s zSymbol.get_namespace)N)r* r+ r, r r5 r? rp rq rr rs rt ru rg rv rw rx ry r| r r r r r s
__main__r8 exec),__doc__r r r r r r r r r r
r r r
r r r __all__r r r objectr r r r r* ossysopenargvfreadsrcpathsplitmodrK rQ rO infoprintrt rx r r r r s& @L&
C