B
     S]                 @   s:   d Z ddlmZ ddlmZmZmZ G dd dejZdS )zFixer for exec.

This converts usages of the exec statement into calls to a built-in
exec() function.

exec code in ns1, ns2 -> exec(code, ns1, ns2)
   )
fixer_base)CommaNameCallc               @   s   e Zd ZdZdZdd ZdS )FixExecTzx
    exec_stmt< 'exec' a=any 'in' b=any [',' c=any] >
    |
    exec_stmt< 'exec' (not atom<'(' [any] ')'>) a=any >
    c             C   s   |st | j}|d }|d}|d}| g}d|d _|d k	rZ|t | g |d k	rv|t | g ttd||jdS )Nabc     exec)prefix)	AssertionErrorsymsgetZcloner   extendr   r   r   )selfZnodeZresultsr   r   r   r	   args r   'lib/python3.7/lib2to3/fixes/fix_exec.py	transform   s    



zFixExec.transformN)__name__
__module____qualname__ZBM_compatibleZPATTERNr   r   r   r   r   r      s   r   N)	__doc__r
   r   Z
fixer_utilr   r   r   ZBaseFixr   r   r   r   r   <module>
   s   