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✏️ symtable.cpython-38.pyc
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U e5dU � @ sJ d Z ddlZddlmZmZmZmZmZmZmZm Z m Z m Z m Z m Z mZmZmZ ddlZdddddgZd d� ZG d d � d �Ze� ZG d d� d�ZG d d� de�ZG dd� de�ZG dd� d�Zedk�rFddlZddl Z e e j d ��Z e � � Z!W 5 Q R X ee!ej"�#e j d �d d�Z$e$�%� D ]$Z&e$�'e&�Z(e)e(e(�*� e(�+� � �q dS )z2Interface to the compiler's internal symbol tables� N)�USE� DEF_GLOBAL� DEF_NONLOCAL� 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 � /usr/lib64/python3.8/symtable.pyr s c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�SymbolTableFactoryc C s t �� | _d S r )�weakrefZWeakValueDictionary�_SymbolTableFactory__memo��selfr r r �__init__ s zSymbolTableFactory.__init__c C s6 |j tjkrt||�S |j tjkr,t||�S t||�S r )�typer � TYPE_FUNCTIONr � TYPE_CLASSr r )r" �tabler r r r �new s zSymbolTableFactory.newc C s8 ||f}| j �|d �}|d kr4| �||� }| j |< |S r )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 r )�_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 r z <{0}SymbolTable for module {1}>z <{0}SymbolTable for {1} in {2}>)� __class__r r- r0 �name�formatr1 )r" Zkindr r r �__repr__, s �zSymbolTable.__repr__c C sX | j jtjkrdS | j jtjkr$dS | j jtjkr6dS | j jdksTtd�| j j���d S )N�moduleZfunction�class)� � � zunexpected type: {0})r0 r$ r Z TYPE_MODULEr% r& �AssertionErrorr6 r! r r r �get_type9 s �zSymbolTable.get_typec C s | j jS r )r0 �idr! r r r �get_idC s zSymbolTable.get_idc C s | j jS r )r0 r5 r! r r r �get_nameF s zSymbolTable.get_namec C s | j jS r )r0 �linenor! r r r � get_linenoI s zSymbolTable.get_linenoc C s t | jjtjk�S r )�boolr0 r$ r r% r! r r r � is_optimizedL s zSymbolTable.is_optimizedc C s t | jj�S r )rD r0 �nestedr! r r r � is_nestedO s zSymbolTable.is_nestedc C s t | jj�S r )rD r0 �childrenr! 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 r )r0 �symbols�keysr! r r r �get_identifiersY s zSymbolTable.get_identifiersc C sT | j �|�}|d krP| jj| }| �|�}| jjdk}t||||d� }| j |< |S )Nr �� module_scope)r2 r) r0 rK � _SymbolTable__check_childrenr5 r )r" r5 Zsym�flags� namespacesrO r r r �lookup\ s �zSymbolTable.lookupc s � fdd�� � � D �S )Nc s g | ]}� � |��qS r )rS ��.0�identr! r r � <listcomp>g s z+SymbolTable.get_symbols.<locals>.<listcomp>)rM r! r r! r � get_symbolsf s zSymbolTable.get_symbolsc s � �fdd��j jD �S )Nc s" g | ]}|j � krt|�j��qS r )r5 r r1 �rU �st�r5 r" r r rW j s �z0SymbolTable.__check_children.<locals>.<listcomp>�r0 rH )r" r5 r r[ r Z__check_childreni s �z SymbolTable.__check_childrenc s � fdd�� j jD �S )Nc s g | ]}t |� j��qS r )r r1 rY r! r r rW o s �z,SymbolTable.get_children.<locals>.<listcomp>r\ r! r r! r � get_childrenn s �zSymbolTable.get_childrenN)r- r. r/ r# r7 r> r@ rA rC rE rG rI rJ rM rS rX rP r] r r r r r % s c @ sP e Zd ZdZdZdZdZdZdd� Zdd� Z dd� Z dd � Z d d � Z d d � Z dS )r Nc s t � �fdd�� �� D ��S )Nc 3 s" | ]}�� j j| �r|V qd S r )r0 rK rT �r" Z test_funcr r � <genexpr>} s �z-Function.__idents_matching.<locals>.<genexpr>)�tuplerM r^ r r^ r Z__idents_matching| s zFunction.__idents_matchingc C s | j d kr| �dd� �| _ | j S )Nc S s | t @ S r )r ��xr r r �<lambda>� � z)Function.get_parameters.<locals>.<lambda>)�_Function__params�_Function__idents_matchingr! r r r �get_parameters� s zFunction.get_parametersc s0 | j d kr*ttf� � fdd�}| �|�| _ | j S )Nc s | t ? t@ � kS r �r r ra �Zlocsr r rc � rd z%Function.get_locals.<locals>.<lambda>)�_Function__localsr r rf �r" Ztestr ri r � get_locals� s zFunction.get_localsc s0 | j d kr*ttf� � fdd�}| �|�| _ | j S )Nc s | t ? t@ � kS r rh ra �Zglobr r rc � rd z&Function.get_globals.<locals>.<lambda>)�_Function__globalsr r rf rk r rm r � get_globals� s zFunction.get_globalsc C s | j d kr| �dd� �| _ | j S )Nc S s | t @ S r )r ra r r r rc � rd z(Function.get_nonlocals.<locals>.<lambda>)�_Function__nonlocalsrf r! r r r � get_nonlocals� s zFunction.get_nonlocalsc C s$ | j d kr dd� }| �|�| _ | j S )Nc S s | t ? t@ tkS r )r r r ra r r r rc � rd z$Function.get_frees.<locals>.<lambda>)�_Function__freesrf )r" �is_freer r r � get_frees� s zFunction.get_frees)r- r. r/ re rj rr rn rp rf rg rl ro rq rt r r r r r s s c @ s e Zd ZdZdd� ZdS )r Nc C s6 | j d kr0i }| jjD ]}d||j< qt|�| _ | j S )Nr: )�_Class__methodsr0 rH r5 r` )r" �drZ r r r � get_methods� s zClass.get_methods)r- r. r/ ru rw r r r r r � s c @ s� e Zd Zd$dd�dd�Zdd� Zdd � Zd d � Zd d � Zdd� Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zd d � Zd d � Zd d!� Zd"d#� ZdS )%r NFrN c C s. || _ || _|t? t@ | _|p d| _|| _d S )Nr )� _Symbol__name�_Symbol__flagsr r �_Symbol__scope�_Symbol__namespaces�_Symbol__module_scope)r" r5 rQ rR rO r r r r# � s zSymbol.__init__c C s d� | j�S )Nz<symbol {0!r}>)r6 rx r! r r r r7 � s zSymbol.__repr__c C s | j S r )rx r! r r r rA � s zSymbol.get_namec C s t | jtj@ �S r )rD ry r r r! r r r � is_referenced� s zSymbol.is_referencedc C s t | jt@ �S r )rD ry r r! r r r � is_parameter� s zSymbol.is_parameterc C s" t | jttfkp | jo | jt@ �S )z0Return *True* if the sysmbol is global. )rD rz r r r| ry r r! r r r � is_global� s �zSymbol.is_globalc C s t | jt@ �S r )rD ry r r! r r r � is_nonlocal� s zSymbol.is_nonlocalc C s t | jtk�S r )rD rz r r! r r r �is_declared_global� s zSymbol.is_declared_globalc C s" t | jttfkp | jo | jt@ �S )z.Return *True* if the symbol is local. )rD rz r r r| ry r r! r r r �is_local� s �zSymbol.is_localc C s t | jt@ �S r )rD ry r r! r r r � is_annotated� s zSymbol.is_annotatedc C s t | jtk�S r )rD rz r r! r r r rs � s zSymbol.is_freec C s t | jt@ �S r )rD ry r r! r r r � is_imported� s zSymbol.is_importedc C s t | jt@ �S r )rD ry 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. )rD r{ r! r r r � is_namespace� s zSymbol.is_namespacec C s | j S )z.Return a list of namespaces bound to this name)r{ 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. r: z$name is bound to multiple namespacesr )�lenr{ � ValueErrorr! r r r � get_namespace� s zSymbol.get_namespace)N)r- r. r/ r# r7 rA r} r~ r r� r� r� r� rs r� r� r� r� r� r r r r r � s �__main__r: �exec),�__doc__r r r r r r r r r r r r r r r r r �__all__r r r r r r r r- �os�sys�open�argv�f�read�src�path�split�modrM rV rS �info�printr� r� r r r r �<module> s& DN, M
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