3
\m � @ sN d Z ddlZddlmZmZmZmZmZmZmZm Z m
Z
m Z m Z m
Z
mZmZ ddlZdddddgZd d� ZG d
d � d �Ze� ZG d d� de�ZG d
d� de�ZG dd� de�ZG dd� de�Zedk�rJddlZddl Z e e j d ��Z e j � Z!W dQ R X ee!ej"j#e j d �d d�Z$x0e$j%� D ]$Z&e$j'e&�Z(e)e(e(j*� e(j+� � �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_MASK�FREE�LOCAL�GLOBAL_IMPLICIT�GLOBAL_EXPLICIT�CELL�symtable� SymbolTable�Class�Function�Symbolc C s t j| ||�}t||�S )N)� _symtabler �_newSymbolTable)�code�filenameZ compile_type�top� r � /usr/lib64/python3.6/symtable.pyr s c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�SymbolTableFactoryc C s t j� | _d S )N)�weakref�WeakValueDictionary�_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 j|d �}|d kr4| j||� }| j |< |S )N)r �getr& )r r% r �key�objr 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 }| jjdkr6dj|| j�S dj|| jj| j�S d S )N� z%s �globalz <{0}SymbolTable for module {1}>z <{0}SymbolTable for {1} in {2}>)� __class__r r+ r. �name�formatr/ )r Zkindr r r �__repr__, s
zSymbolTable.__repr__c C sX | j jtjkrdS | j jtjkr$dS | j jtjkr6dS | j jdksTtdj| j j���d S ) N�moduleZfunction�class� � � zunexpected type: {0})r9 r: r; )r. r" r Z TYPE_MODULEr# r$ �AssertionErrorr5 )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. r4 )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 | jjtjk�S )N)�boolr. r" r r# )r r r r � is_optimizedL s zSymbolTable.is_optimizedc C s t | jj�S )N)rC r. �nested)r r r r � is_nestedO s zSymbolTable.is_nestedc C s t | jj�S )N)rC 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 jj� S )N)r. �symbols�keys)r r r r �get_identifiersY s zSymbolTable.get_identifiersc C sD | j j|�}|d kr@| jj| }| j|�}t|||� }| j |< |S )N)r0 r' r. rJ � _SymbolTable__check_childrenr )r r4 Zsym�flags�
namespacesr r r �lookup\ s
zSymbolTable.lookupc s � fdd�� j � D �S )Nc s g | ]}� j |��qS r )rP )�.0�ident)r r r �
<listcomp>e s z+SymbolTable.get_symbols.<locals>.<listcomp>)rL )r r )r r � get_symbolsd s zSymbolTable.get_symbolsc s � �fdd��j jD �S )Nc s" g | ]}|j � krt|�j��qS r )r4 r r/ )rQ �st)r4 r r r rS h s z0SymbolTable.__check_children.<locals>.<listcomp>)r. rG )r r4 r )r4 r r Z__check_childreng s z SymbolTable.__check_childrenc s � fdd�� j jD �S )Nc s g | ]}t |� j��qS r )r r/ )rQ rU )r r r rS m s z,SymbolTable.get_children.<locals>.<listcomp>)r. rG )r r )r r � get_childrenl s
zSymbolTable.get_childrenN)r+ r, r- r! r6 r= r? r@ rB rD rF rH rI rL rP rT rM rV 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�� j� D ��S )Nc s g | ]}�� j j| �r|�qS r )r. rJ )rQ rR )r � test_funcr r rS z s z.Function.__idents_matching.<locals>.<listcomp>)�tuplerL )r rW r )r rW r Z__idents_matchingy s zFunction.__idents_matchingc C s | j d kr| jdd� �| _ | j S )Nc S s | t @ S )N)r )�xr r r �<lambda> s z)Function.get_parameters.<locals>.<lambda>)�_Function__params�_Function__idents_matching)r r r r �get_parameters} s
zFunction.get_parametersc s0 | j d kr*ttf� � fdd�}| j|�| _ | j S )Nc s | t ? t@ � kS )N)r r
)rY )�locsr r rZ � s z%Function.get_locals.<locals>.<lambda>)�_Function__localsr r r\ )r �testr )r^ r �
get_locals� s
zFunction.get_localsc s0 | j d kr*ttf� � fdd�}| j|�| _ | j S )Nc s | t ? t@ � kS )N)r r
)rY )�globr r rZ � s z&Function.get_globals.<locals>.<lambda>)�_Function__globalsr
r r\ )r r` r )rb r � get_globals� s
zFunction.get_globalsc C s$ | j d kr dd� }| j|�| _ | j S )Nc S s | t ? t@ tkS )N)r r
r )rY r r r rZ � s z$Function.get_frees.<locals>.<lambda>)�_Function__freesr\ )r �is_freer r r � get_frees� s
zFunction.get_frees) r+ r, r- r[ r_ re rc r\ r] ra rd rg 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 )Nr9 )�_Class__methodsr. rG r4 rX )r �drU r r r � get_methods� s
zClass.get_methods)r+ r, r- rh rj r r r r r � s c @ s� e Zd Zd dd�Zdd� 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 f | _d S )N)�
_Symbol__name�_Symbol__flagsr r
�_Symbol__scope�_Symbol__namespaces)r r4 rN rO r r r r! � s zSymbol.__init__c C s dj | j�S )Nz<symbol {0!r}>)r5 rk )r r r r r6 � s zSymbol.__repr__c C s | j S )N)rk )r r r r r@ � s zSymbol.get_namec C s t | jtj@ �S )N)rC rl r r )r r r r �
is_referenced� s zSymbol.is_referencedc C s t | jt@ �S )N)rC rl r )r r r r � is_parameter� s zSymbol.is_parameterc C s t | jttfk�S )N)rC rm r
r )r r r r � is_global� s zSymbol.is_globalc C s t | jtk�S )N)rC rm r )r r r r �is_declared_global� s zSymbol.is_declared_globalc C s t | jt@ �S )N)rC rl r )r r r r �is_local� s zSymbol.is_localc C s t | jt@ �S )N)rC rl r )r r r r � is_annotated� s zSymbol.is_annotatedc C s t | jtk�S )N)rC rm r )r r r r rf � s zSymbol.is_freec C s t | jt@ �S )N)rC rl r )r r r r � is_imported� s zSymbol.is_importedc C s t | jt@ �S )N)rC rl r )r r r r � is_assigned� s zSymbol.is_assignedc C s
t | j�S )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.
)rC rn )r r r r � is_namespace� s zSymbol.is_namespacec C s | j S )z.Return a list of namespaces bound to this name)rn )r r r r �get_namespaces� s zSymbol.get_namespacesc C s t | j�dkrtd��| jd S )z�Returns the single namespace bound to this name.
Raises ValueError if the name is bound to multiple namespaces.
r9 z$name is bound to multiple namespacesr )�lenrn �
ValueError)r r r r �
get_namespace� s zSymbol.get_namespace)N)r+ r, r- r! r6 r@ ro rp rq rr rs rt rf ru rv rw rx r{ r r r r r � s
�__main__r9 �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+ �os�sys�open�argv�f�read�src�path�split�modrL rR rP �info�printrs rw r r r r �<module> s& @L&
C