U
��,ac � @ sP d Z ddlZddddddd d
d d d
�
Zdd� Zdd� Zdd� ZedkrLe� dS )z<Safely evaluate Python string literals without using eval().� N��� �
�
� � �'�"�\)
�a�b�f�n�r�t�vr r
r c C s� | � dd�\}}t�|�}|d k r&|S |�d�r�|dd � }t|�dk rTtd| ��zt|d�}W q� tk
r� td| �d �Y q�X n2zt|d�}W n" tk
r� td| �d �Y nX t|�S ) Nr � �x� z!invalid hex string escape ('\%s')� � z#invalid octal string escape ('\%s'))�group�simple_escapes�get�
startswith�len�
ValueError�int�chr)�m�all�tailZescZhexes�i� r$ �;/opt/alt/python38/lib64/python3.8/lib2to3/pgen2/literals.py�escape s"
r& c C sH | d }| d d� |d kr$|d }| t |�t |� � } t�dt| �S )Nr � z)\\(\'|\"|\\|[abfnrtv]|x.{0,2}|[0-7]{1,3}))r �re�subr& )�s�qr$ r$ r% �
evalString( s
r, c C s@ t d�D ]2} t| �}t|�}t|�}||krt| |||� qd S )N� )�ranger �reprr, �print)r# �cr* �er$ r$ r% �test2 s r3 �__main__)�__doc__r( r r& r, r3 �__name__r$ r$ r$ r% �<module> s" �