U
    nuf                     @   s|   d dl mZ d dlmZmZ G dd deZG dd dedZG dd	 d	ZG d
d dZ	G dd dZ
G dd deZdS )    )contextmanager)DictListc                   @   s   e Zd Zdd ZdS )_NormalizerMetac                 C   s    t | |||}i |_i |_|S N)type__new__rule_value_classesrule_type_classes)clsnamebasesdctZnew_cls r   4/tmp/pip-unpacked-wheel-bhkpgl14/parso/normalizer.pyr      s    z_NormalizerMeta.__new__N)__name__
__module____qualname__r   r   r   r   r   r      s   r   c                   @   s   e Zd ZU i Zeeee f ed< i Z	eeee f ed< dd Z
dd Zdd Zd	d
 Zedd Zdd Zdd Zdd Zdd Zdd ZedddddddZdS )
Normalizer_rule_type_instances_rule_value_instancesc                 C   s.   || _ || _g | _| d| _| d| _d S )Nr
   r	   )grammar_configissues_instantiate_rulesr   r   )selfr   configr   r   r   __init__   s
    zNormalizer.__init__c                    s\   i }t   D ]F}t||i }| D ],\}} fdd|D }||g | q(q|S )Nc                    s   g | ]}| qS r   r   ).0rule_clsr   r   r   
<listcomp>   s     z1Normalizer._instantiate_rules.<locals>.<listcomp>)r   mrogetattritems
setdefaultextend)r   attrr   baseZ	rules_maptype_Zrule_classesnewr   r    r   r      s    zNormalizer._instantiate_rulesc                 C   s    |  | | |}|   |S r   )
initializevisitfinalize)r   nodevaluer   r   r   walk"   s    

zNormalizer.walkc              
      sd   z
|j }W n tk
r(    | Y S X  |& d fdd|D W  5 Q R  S Q R X d S )N c                 3   s   | ]}  |V  qd S r   )r,   )r   childr    r   r   	<genexpr>/   s     z#Normalizer.visit.<locals>.<genexpr>)childrenAttributeError
visit_leaf
visit_nodejoin)r   r.   r4   r   r    r   r,   (   s    
zNormalizer.visitc                 c   s   |  | d V  d S r   )_check_type_rulesr   r.   r   r   r   r7   1   s    
zNormalizer.visit_nodec                 C   s$   | j |jg D ]}|| qd S r   )r   getr   	feed_node)r   r.   ruler   r   r   r9   6   s    zNormalizer._check_type_rulesc                 C   s6   |  | | j|jg D ]}|| q|j|j S r   )r9   r   r;   r/   r<   prefix)r   leafr=   r   r   r   r6   :   s    
zNormalizer.visit_leafc                 C   s   d S r   r   r:   r   r   r   r+   B   s    zNormalizer.initializec                 C   s   d S r   r   r    r   r   r   r-   E   s    zNormalizer.finalizec                 C   s&   t |||}|| jkr"| j| dS )NT)Issuer   append)r   r.   codemessageissuer   r   r   	add_issueH   s    
zNormalizer.add_issueNr   )r/   valuesr   typesc                   sX   t t |dk	r"| |dk	r4| sDsDtd fdd}|S )z
        Use it as a class decorator::

            normalizer = Normalizer('grammar', 'config')
            @normalizer.register_rule(value='foo')
            class MyRule(Rule):
                error_code = 42
        Nz%You must register at least something.c                    s@   D ]} j |g |  qD ]} j|g |  q"| S r   )r	   r%   rA   r
   )r   vtr   rG   rF   r   r   	decoratorb   s
    z+Normalizer.register_rule.<locals>.decorator)listrA   
ValueError)r   r/   rF   r   rG   rK   r   rJ   r   register_ruleN   s    


zNormalizer.register_rule)r   r   r   r   r   strr   r   __annotations__r   r   r   r0   r,   r   r7   r9   r6   r+   r-   rE   classmethodrN   r   r   r   r   r      s   
		
r   )	metaclassc                   @   s   e Zd ZeZdd ZdS )NormalizerConfigc                 C   s   | j d krd S |  || S r   )normalizer_class)r   r   r   r   r   create_normalizero   s    
z"NormalizerConfig.create_normalizerN)r   r   r   r   rT   rU   r   r   r   r   rS   l   s   rS   c                   @   s4   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdS )r@   c                 C   s    || _ || _|j| _|j| _d S r   )rB   rC   	start_posZend_posr   r.   rB   rC   r   r   r   r   w   s    zIssue.__init__c                 C   s   | j |j ko| j|jkS r   )rV   rB   r   otherr   r   r   __eq__   s    zIssue.__eq__c                 C   s   |  | S r   )rZ   rX   r   r   r   __ne__   s    zIssue.__ne__c                 C   s   t | j| jfS r   )hashrB   rV   r    r   r   r   __hash__   s    zIssue.__hash__c                 C   s   d| j j| jf S )Nz<%s: %s>)	__class__r   rB   r    r   r   r   __repr__   s    zIssue.__repr__N)r   r   r   r   rZ   r[   r]   r_   r   r   r   r   r@   v   s
   r@   c                   @   sP   e Zd ZU eed< eed< dd Zdd Zdd Zd	d
 Z	dddZ
dd ZdS )RulerB   rC   c                 C   s
   || _ d S r   )_normalizer)r   Z
normalizerr   r   r   r      s    zRule.__init__c                 C   s
   t  d S r   )NotImplementedErrorr:   r   r   r   is_issue   s    zRule.is_issuec                 C   s   |S r   r   r:   r   r   r   get_node   s    zRule.get_nodec                 C   s"   |d kr| j }|d krtd|S )Nz$The message on the class is not set.)rC   rM   )r   rC   r.   r   r   r   _get_message   s
    zRule._get_messageNc                 C   s>   |d kr| j }|d krtd| ||}| j||| d S )Nz'The error code on the class is not set.)rB   rM   re   ra   rE   rW   r   r   r   rE      s    zRule.add_issuec                 C   s"   |  |r| |}| | d S r   )rc   rd   rE   )r   r.   Z
issue_noder   r   r   r<      s    

zRule.feed_node)NN)r   r   r   intrP   rO   r   rc   rd   re   rE   r<   r   r   r   r   r`      s   


r`   c                       s0   e Zd Zdd Z fddZ fddZ  ZS )RefactoringNormalizerc                 C   s
   || _ d S r   )_node_to_str_map)r   Znode_to_str_mapr   r   r   r      s    zRefactoringNormalizer.__init__c                    s2   z| j | W S  tk
r,   t | Y S X d S r   )rh   KeyErrorsuperr,   r:   r^   r   r   r,      s    zRefactoringNormalizer.visitc                    s2   z| j | W S  tk
r,   t | Y S X d S r   )rh   ri   rj   r6   )r   r?   rk   r   r   r6      s    z RefactoringNormalizer.visit_leaf)r   r   r   r   r,   r6   __classcell__r   r   rk   r   rg      s   rg   N)
contextlibr   typingr   r   r   r   r   rS   r@   r`   rg   r   r   r   r   <module>   s   _
$