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symtable.cpython-39.pyc
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a �DOg� � @ sX d Z ddlZddlmZmZmZmZmZmZmZm Z m Z m Z m Z m Z mZmZmZ ddlZg d�Zdd� ZG dd� d�Ze� ZG d d � d �ZG d d � d e�ZG d d� de�ZG dd� d�Zedk�rTddlZddl Z e e j d ��Z e � � Z!W d � n1 s�0 Y 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/python3.9/symtable.pyr s r c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�SymbolTableFactoryc C s t �� | _d S r )�weakref�WeakValueDictionary�_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 u r4| �||� }| 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 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. r1 �name�formatr2 )r# �kindr r r �__repr__, s �zSymbolTable.__repr__c C sX | j jtjkrdS | j jtjkr$dS | j jtjkr6dS | j jdv sTJ d�| j j���d S )N�module�function�class)� � � zunexpected type: {0})r1 r% r Z TYPE_MODULEr& r' r7 r" r r r �get_type9 s �zSymbolTable.get_typec C s | j jS r )r1 �idr" r r r �get_idC s zSymbolTable.get_idc C s | j jS r )r1 r6 r" r r r �get_nameF s zSymbolTable.get_namec C s | j jS r )r1 �linenor" r r r � get_linenoI s zSymbolTable.get_linenoc C s t | jjtjk�S r )�boolr1 r% r r& r" r r r � is_optimizedL s zSymbolTable.is_optimizedc C s t | jj�S r )rF r1 �nestedr" r r r � is_nestedO s zSymbolTable.is_nestedc C s t | jj�S r )rF r1 �childrenr" r r r � has_childrenR s zSymbolTable.has_childrenc C s | j j�� S r )r1 �symbols�keysr" r r r �get_identifiersU s zSymbolTable.get_identifiersc C sT | j �|�}|d u rP| jj| }| �|�}| jjdk}t||||d� }| j |< |S )Nr �� module_scope)r3 r* r1 rL � _SymbolTable__check_childrenr6 r )r# r6 Zsym�flags� namespacesrP r r r �lookupX s �zSymbolTable.lookupc s � fdd�� � � D �S )Nc s g | ]}� � |��qS r )rT ��.0�identr" r r � <listcomp>c � z+SymbolTable.get_symbols.<locals>.<listcomp>)rN r" r r" r � get_symbolsb s zSymbolTable.get_symbolsc s � �fdd��j jD �S )Nc s" g | ]}|j � krt|�j��qS r )r6 r r2 �rV �st�r6 r# r r rX f s �z0SymbolTable.__check_children.<locals>.<listcomp>�r1 rJ )r# r6 r r] r Z__check_childrene s �z SymbolTable.__check_childrenc s � fdd�� j jD �S )Nc s g | ]}t |� j��qS r )r r2 r[ r" r r rX k s �z,SymbolTable.get_children.<locals>.<listcomp>r^ r" r r" r � get_childrenj s �zSymbolTable.get_childrenN)r. r/ r0 r$ r9 r@ rB rC rE rG rI rK rN rT rZ rQ r_ r r r r r % s r 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 )r1 rL rU �r# Z test_funcr r � <genexpr>y s �z-Function.__idents_matching.<locals>.<genexpr>)�tuplerN r` r r` r Z__idents_matchingx s zFunction.__idents_matchingc C s | j d u r| �dd� �| _ | j S )Nc S s | t @ S r )r ��xr r r �<lambda>~ rY z)Function.get_parameters.<locals>.<lambda>)�_Function__params�_Function__idents_matchingr" r r r �get_parameters| s zFunction.get_parametersc s0 | j d u r*ttf� � fdd�}| �|�| _ | j S )Nc s | t ? t@ � v S r �r r rc �Zlocsr r re � rY z%Function.get_locals.<locals>.<lambda>)�_Function__localsr r rg �r# �testr rj r � get_locals� s zFunction.get_localsc s0 | j d u r*ttf� � fdd�}| �|�| _ | j S )Nc s | t ? t@ � v S r ri rc ��globr r re � rY z&Function.get_globals.<locals>.<lambda>)�_Function__globalsr r rg rl r ro r � get_globals� s zFunction.get_globalsc C s | j d u r| �dd� �| _ | j S )Nc S s | t @ S r )r rc r r r re � rY z(Function.get_nonlocals.<locals>.<lambda>)�_Function__nonlocalsrg r" r r r � get_nonlocals� s zFunction.get_nonlocalsc C s$ | j d u r dd� }| �|�| _ | j S )Nc S s | t ? t@ tkS r )r r r rc r r r re � rY z$Function.get_frees.<locals>.<lambda>)�_Function__freesrg )r# �is_freer r r � get_frees� s zFunction.get_frees)r. r/ r0 rf rk ru rq rs rg rh rn rr rt rw r r r r r o s r c @ s e Zd ZdZdd� ZdS )r Nc C s6 | j d u r0i }| jjD ]}d||j< qt|�| _ | j S )Nr= )�_Class__methodsr1 rJ r6 rb )r# �dr\ r r r � get_methods� s zClass.get_methods)r. r/ r0 rx rz r r r r r � s r c @ s� e Zd Zd$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 NFrO c C s. || _ || _|t? t@ | _|p d| _|| _d S )Nr )� _Symbol__name�_Symbol__flagsr r �_Symbol__scope�_Symbol__namespaces�_Symbol__module_scope)r# r6 rR rS rP r r r r$ � s zSymbol.__init__c C s d� | j�S )Nz<symbol {0!r}>)r7 r{ r" r r r r9 � s zSymbol.__repr__c C s | j S r )r{ r" r r r rC � s zSymbol.get_namec C s t | jtj@ �S r )rF r| r r r" r r r � is_referenced� s zSymbol.is_referencedc C s t | jt@ �S r )rF r| r r" r r r � is_parameter� s zSymbol.is_parameterc C s" t | jttfv p | jo | jt@ �S )z0Return *True* if the sysmbol is global. )rF r} r r r r| r r" r r r � is_global� s �zSymbol.is_globalc C s t | jt@ �S r )rF r| r r" r r r � is_nonlocal� s zSymbol.is_nonlocalc C s t | jtk�S r )rF r} r r" r r r �is_declared_global� s zSymbol.is_declared_globalc C s" t | jttfv p | jo | jt@ �S )z.Return *True* if the symbol is local. )rF r} r r r r| r r" r r r �is_local� s �zSymbol.is_localc C s t | jt@ �S r )rF r| r r" r r r � is_annotated� s zSymbol.is_annotatedc C s t | jtk�S r )rF r} r r" r r r rv � s zSymbol.is_freec C s t | jt@ �S r )rF r| r r" r r r � is_imported� s zSymbol.is_importedc C s t | jt@ �S r )rF r| 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. )rF 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$name is bound to multiple namespacesr )�lenr~ � ValueErrorr" r r r � get_namespace� s zSymbol.get_namespace)N)r. r/ r0 r$ r9 rC r� r� r� r� r� r� r� rv r� r� r� r� r� r r r r r � s r �__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�modrN rW rT �info�printr� r� r r r r �<module> s& DJ, M &
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