← Back
Editing: symtable.cpython-37.opt-1.pyc
B � fo � @ 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 � � Z!W dQ R X ee!ej"�#e j d �d d�Z$x0e$�%� 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_MASK�FREE�LOCAL�GLOBAL_IMPLICIT�GLOBAL_EXPLICIT�CELL�symtable� SymbolTable�Class�Function�Symbolc C s t �| ||�}t||�S )N)� _symtabler �_newSymbolTable)�code�filenameZ compile_type�top� 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 �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 }| jjdkr6d�|| j�S d�|| 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 s: | j jtjkrdS | j jtjkr$dS | j jtjkr6dS d S )N�moduleZfunction�class)r- r! r Z TYPE_MODULEr" r# )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 | jjtjk�S )N)�boolr- r! r r" )r r r r � is_optimizedL s zSymbolTable.is_optimizedc C s t | jj�S )N)r> r- �nested)r r r r � is_nestedO s zSymbolTable.is_nestedc C s t | jj�S )N)r> 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- �symbols�keys)r r r r �get_identifiersY s zSymbolTable.get_identifiersc C sD | j �|�}|d kr@| jj| }| �|�}t|||� }| j |< |S )N)r/ r& r- rE � _SymbolTable__check_childrenr )r r3 Zsym�flags� namespacesr r r �lookup\ s zSymbolTable.lookupc s � fdd�� � � D �S )Nc s g | ]}� � |��qS r )rK )�.0�ident)r r r � <listcomp>e s z+SymbolTable.get_symbols.<locals>.<listcomp>)rG )r r )r r � get_symbolsd s zSymbolTable.get_symbolsc s � �fdd��j jD �S )Nc s" g | ]}|j � krt|�j��qS r )r3 r r. )rL �st)r3 r r r rN h s z0SymbolTable.__check_children.<locals>.<listcomp>)r- rB )r r3 r )r3 r r Z__check_childreng s z SymbolTable.__check_childrenc s � fdd�� j jD �S )Nc s g | ]}t |� j��qS r )r r. )rL rP )r r r rN m s z,SymbolTable.get_children.<locals>.<listcomp>)r- rB )r r )r r � get_childrenl s zSymbolTable.get_childrenN)r* r+ r, r r5 r8 r: r; r= r? rA rC rD rG rK rO rH rQ 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- rE )rL rM )r � test_funcr r � <genexpr>z s z-Function.__idents_matching.<locals>.<genexpr>)�tuplerG )r rR r )r rR 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 �<lambda> � 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 S )Nc s | t ? t@ � kS )N)r r )rU )�locsr r rV � rW z%Function.get_locals.<locals>.<lambda>)�_Function__localsr r rY )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 )rU )�globr r rV � rW z&Function.get_globals.<locals>.<lambda>)�_Function__globalsr r rY )r r] r )r_ 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 )rU r r r rV � rW z$Function.get_frees.<locals>.<lambda>)�_Function__freesrY )r �is_freer r r � get_frees� s zFunction.get_frees) r* r+ r, rX r\ rb r` rY rZ r^ ra rd 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 )N� )�_Class__methodsr- rB r3 rT )r �drP r r r � get_methods� s zClass.get_methods)r* r+ r, rf rh 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 d| _d S )Nr )� _Symbol__name�_Symbol__flagsr r �_Symbol__scope�_Symbol__namespaces)r r3 rI rJ r r r r � s zSymbol.__init__c C s d� | j�S )Nz<symbol {0!r}>)r4 ri )r r r r r5 � s zSymbol.__repr__c C s | j S )N)ri )r r r r r; � s zSymbol.get_namec C s t | jtj@ �S )N)r> rj r r )r r r r � is_referenced� s zSymbol.is_referencedc C s t | jt@ �S )N)r> rj r )r r r r � is_parameter� s zSymbol.is_parameterc C s t | jttfk�S )N)r> rk r r )r r r r � is_global� s zSymbol.is_globalc C s t | jtk�S )N)r> rk r )r r r r �is_declared_global� s zSymbol.is_declared_globalc C s t | jttfk�S )N)r> rk r r )r r r r �is_local� s zSymbol.is_localc C s t | jt@ �S )N)r> rj r )r r r r � is_annotated� s zSymbol.is_annotatedc C s t | jtk�S )N)r> rk r )r r r r rc � s zSymbol.is_freec C s t | jt@ �S )N)r> rj r )r r r r � is_imported� s zSymbol.is_importedc C s t | jt@ �S )N)r> rj 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. )r> rl )r r r r � is_namespace� s zSymbol.is_namespacec C s | j S )z.Return a list of namespaces bound to this name)rl )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. re z$name is bound to multiple namespacesr )�lenrl � ValueError)r r r r � get_namespace� s zSymbol.get_namespace)N)r* r+ r, r r5 r; rm rn ro rp rq rr rc rs rt ru rv ry r r r r r � s �__main__re �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�modrG rM rK �info�printrq ru r r r r �<module> s& @L& C
Save File
Cancel