o
    f0                     @   s   d dl mZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZm	Z	 G dd	 d	e
ZG d
d deZG dd deZG dd deZG dd dZG dd dejeZeZG dd dejeZG dd dejZG dd deZdS )    )absolute_import   )Nodes)	ExprNodes)Node)AtomicExprNode)
c_ptr_typec_bint_typec                   @   s&   e Zd ZdZdZdddZdd ZdS )
TempHandleNFc                 C   s$   || _ |d u r|j| _d S || _d S N)typeis_pyobjectneeds_cleanup)selfr   r    r   U/var/www/html/mig_web/myenv/lib/python3.10/site-packages/Cython/Compiler/UtilNodes.py__init__   s   
zTempHandle.__init__c                 C   s   t || | jdS )N)handler   )TempRefNoder   )r   posr   r   r   ref      zTempHandle.refr   )__name__
__module____qualname__tempneeds_xdecrefr   r   r   r   r   r   r
      s
    
r
   c                   @   s>   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdddZdS )r   c                 C      | j | jj ks	J | S r   r   r   r   envr   r   r   analyse_types#      zTempRefNode.analyse_typesc                 C   r   r   r   r   r   r   r   analyse_target_types'   r"   z TempRefNode.analyse_target_typesc                 C      d S r   r   r   r   r   r   analyse_target_declaration+      z&TempRefNode.analyse_target_declarationc                 C   s   | j j}|d u r
d}|S )Nz<error>)r   r   )r   resultr   r   r   calculate_result_code.   s   z!TempRefNode.calculate_result_codec                 C   r$   r   r   r   coder   r   r   generate_result_code3   r&   z TempRefNode.generate_result_codeFc                 C   sj   | j jr|| ||  |   |d|  |r| n||  f  || |	| d S N%s = %s;)
r   r   make_owned_referenceput_xdecrefr'   ctypeputln	result_asgenerate_post_assignment_code
free_tempsr   rhsr*   overloaded_assignmentr   r   r   generate_assignment_code6   s   

z$TempRefNode.generate_assignment_codeNF)	r   r   r   r!   r#   r%   r(   r+   r8   r   r   r   r   r      s    r   c                   @   s>   e Zd ZdZdgZdd Zdd Zdd Zd	d
 Zdd Z	dS )TempsBlockNodea_  
    Creates a block which allocates temporary variables.
    This is used by transforms to output constructs that need
    to make use of a temporary variable. Simply pass the types
    of the needed temporaries to the constructor.

    The variables can be referred to using a TempRefNode
    (which can be constructed by calling get_ref_node).
    bodyc                 C   sz   | j D ]}|jj|j|jd|_q| j| | j D ] }|jr3|jr+|	|j|j n|
|j|j |j|j qd S )N
manage_ref)temps	funcstateallocate_tempr   r   r   r;   generate_execution_coder   put_xdecref_clearput_decref_clearrelease_temp)r   r*   r   r   r   r   rA   U   s   


z&TempsBlockNode.generate_execution_codec                 C      | j | d S r   r;   analyse_declarationsr   r   r   r   rG   b   r   z#TempsBlockNode.analyse_declarationsc                 C      | j || _ | S r   r;   analyse_expressionsr   r   r   r   rJ   e      z"TempsBlockNode.analyse_expressionsc                 C      | j || d S r   r;   generate_function_definitionsr   r    r*   r   r   r   rN   i      z,TempsBlockNode.generate_function_definitionsc                 C   rE   r   )r;   annotater)   r   r   r   rQ   l   r   zTempsBlockNode.annotateN)
r   r   r   __doc__child_attrsrA   rG   rJ   rN   rQ   r   r   r   r   r:   C   s    r:   c                   @   s   e Zd Zg ZdZd(ddZdd Zdd	 Zd
d Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zd)d d!Zd"d# Zd$d% Zd&d' ZdS )*ResultRefNodeFNTc                 C   sh   || _ d | _|| _|d ur|j| _t|dd | _|d ur|| _|d ur&|| _|r+d| _| jd us2J d S )Nr   T)
expressionr   may_hold_nonegetattrr   is_temp)r   rU   r   r   rV   rX   r   r   r   r   w   s   zResultRefNode.__init__c                 C      | S r   r   r   r   r   r   
clone_node   s   zResultRefNode.clone_nodec                 C   s   | j r	| j |S dS )Nr   )rU   type_dependenciesr   r   r   r   r\      s   zResultRefNode.type_dependenciesc                 C   s$   || _ t|dd }|r|| _d S d S )Nr   )rU   rW   r   )r   rU   r   r   r   r   update_expression   s
   
zResultRefNode.update_expressionc                 C   r$   r   r   r   r   r   r   r%      r&   z(ResultRefNode.analyse_target_declarationc                 C   s.   | j d ur| j js| j || _ | j j| _| S r   )rU   r   r!   r   r   r   r   r!      s
   

zResultRefNode.analyse_typesc                 C   sB   | j d ur| j S | jd ur| jj d ur| jj S | j|S J d)NFz"cannot infer type of ResultRefNode)r   rU   
infer_typer   r   r   r   r^      s   

zResultRefNode.infer_typec                 C   s   | j jsdS | jS )NF)r   r   rV   rZ   r   r   r   may_be_none   s   zResultRefNode.may_be_nonec                 C   s*   | j d ur
| j  S | jd ur| jjS dS NT)rU   r_   r   r   rZ   r   r   r   _DISABLED_may_be_none   s
   


z#ResultRefNode._DISABLED_may_be_nonec                 C   s   dS r`   r   rZ   r   r   r   	is_simple   r&   zResultRefNode.is_simplec                 C   s>   z| j W S  ty   | jd ur| j | _ Y | j S Y | j S w r   )result_codeAttributeErrorrU   r'   rZ   r   r   r   r'      s   
zResultRefNode.resultc                 C   r$   r   r   r)   r   r   r   generate_evaluation_code   r&   z&ResultRefNode.generate_evaluation_codec                 C   r$   r   r   r)   r   r   r   r+      r&   z"ResultRefNode.generate_result_codec                 C   r$   r   r   r)   r   r   r   generate_disposal_code   r&   z$ResultRefNode.generate_disposal_codec                 C   sp   | j jr|| | js||  |   |d|  |r"| n||  f  |	| |
| d S r,   )r   r   r.   lhs_of_first_assignment
put_decrefr'   r0   r1   r2   r3   r4   r5   r   r   r   r8      s   

z&ResultRefNode.generate_assignment_codec                 C   r$   r   r   r   r   r   r   allocate_temps   r&   zResultRefNode.allocate_tempsc                 C   r$   r   r   r   r   r   r   rD      r&   zResultRefNode.release_tempc                 C   r$   r   r   r)   r   r   r   r4      r&   zResultRefNode.free_temps)NNNTFr9   )r   r   r   subexprsrg   r   r[   r\   r]   r%   r!   r^   r_   ra   rb   r'   re   r+   rf   r8   ri   rD   r4   r   r   r   r   rT   p   s*    
		
rT   c                   @   s$   e Zd Zdd Zdd Zdd ZdS )LetNodeMixinc                 C   s   || _ |j| _d S r   )	lazy_temprU   temp_expression)r   rl   r   r   r   set_temp_expr   s   zLetNodeMixin.set_temp_exprc                 C   s   | j | | j j| _| jjrt| jj| _| j  | _| jr&| j 	 | _
n4| jjr1| j | n| j | |jj| jdd| _
|d| j
| j 	 f  | j | | j | | j
| j_d S )NTr<   r-   )rm   re   r   	temp_typeis_arrayr   	base_typeresult_in_temp_result_in_tempr'   r   is_memoryviewslicemake_owned_memoryviewslicer.   r?   r@   r1   rf   r4   rl   rc   r)   r   r   r   setup_temp_expr   s"   
zLetNodeMixin.setup_temp_exprc                 C   sL   | j r| j| | j| d S | jjr|| j| j |j	| j d S r   )
rs   rm   rf   r4   ro   needs_refcountingrC   r   r?   rD   r)   r   r   r   teardown_temp_expr   s   zLetNodeMixin.teardown_temp_exprN)r   r   r   rn   rv   rx   r   r   r   r   rk      s    rk   c                   @   sT   e Zd ZddgZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd ZdS )EvalWithTempExprNoderm   subexpressionc                 C   s&   |  | |j| _|| _| jj| _d S r   )rn   r   rz   r   )r   rl   rz   r   r   r   r   
  s   
zEvalWithTempExprNode.__init__c                 C   s   | j |S r   )rz   r^   r   r   r   r   r^     s   zEvalWithTempExprNode.infer_typec                 C   
   | j  S r   )rz   r_   rZ   r   r   r   r_        
z EvalWithTempExprNode.may_be_nonec                 C   r{   r   )rz   r'   rZ   r   r   r   r'     r|   zEvalWithTempExprNode.resultc                 C   s8   | j || _ | j| j  | j|| _| jj| _| S r   )rm   r!   rl   r]   rz   r   r   r   r   r   r!     s
   
z"EvalWithTempExprNode.analyse_typesc                 C   rE   r   )rz   r4   r)   r   r   r   free_subexpr_temps!  r   z'EvalWithTempExprNode.free_subexpr_tempsc                 C   rE   r   )rz   rf   r)   r   r   r   generate_subexpr_disposal_code$  r   z3EvalWithTempExprNode.generate_subexpr_disposal_codec                 C   $   |  | | j| | | d S r   )rv   rz   re   rx   r)   r   r   r   re   '     
z-EvalWithTempExprNode.generate_evaluation_codeN)r   r   r   rj   r   r^   r_   r'   r!   r}   r~   re   r   r   r   r   ry     s    ry   c                   @   s<   e Zd ZddgZdd Zdd Zdd Zd	d
 Zdd ZdS )LetNoderm   r;   c                 C   s   |  | |j| _|| _d S r   )rn   r   r;   )r   rl   r;   r   r   r   r   <  s   

zLetNode.__init__c                 C   s   | j | | j| d S r   )rm   rG   r;   r   r   r   r   rG   A     zLetNode.analyse_declarationsc                 C   s    | j || _ | j|| _| S r   )rm   rJ   r;   r   r   r   r   rJ   E  s   zLetNode.analyse_expressionsc                 C   r   r   )rv   r;   rA   rx   r)   r   r   r   rA   J  r   zLetNode.generate_execution_codec                 C   s    | j || | j|| d S r   )rm   rN   r;   rO   r   r   r   rN   O  s   z%LetNode.generate_function_definitionsN)	r   r   r   rS   r   rG   rJ   rA   rN   r   r   r   r   r   0  s    
r   c                   @   sF   e Zd Zg ZdgZdd Zdd Zdd Zdd	 Zd
d Z	dd Z
dS )TempResultFromStatNoder;   c                 C   s&   || _ |j| _|| _|j| _d| _d S )Nr   )
result_refr   r;   r   rX   )r   r   r;   r   r   r   r   ]  s
   
zTempResultFromStatNode.__init__c                 C   rE   r   rF   r   r   r   r   rG   d  r   z+TempResultFromStatNode.analyse_declarationsc                 C   rH   r   rI   r   r   r   r   r!   g  rK   z$TempResultFromStatNode.analyse_typesc                 C   r{   r   )r   r_   rZ   r   r   r   r_   k  r|   z"TempResultFromStatNode.may_be_nonec                 C   s   |   | j_| j| d S r   )r'   r   rc   r;   rA   r)   r   r   r   r+   n  r   z+TempResultFromStatNode.generate_result_codec                 C   rL   r   rM   rO   r   r   r   rN   r  rP   z4TempResultFromStatNode.generate_function_definitionsN)r   r   r   rj   rS   r   rG   r!   r_   r+   rN   r   r   r   r   r   T  s    r   c                   @   s,   e Zd ZdZeZdd Zdd Zdd ZdS )	
HasGilNodez`
    Simple node that evaluates to 0 or 1 depending on whether we're
    in a nogil context
    c                 C   rY   r   r   r   r   r   r   r!   }  r&   zHasGilNode.analyse_typesc                 C   s   |j j| _d S r   )r?   	gil_ownedhas_gilr)   r   r   r   r+        zHasGilNode.generate_result_codec                 C   s   | j rdS dS )N10)r   rZ   r   r   r   r(     r   z HasGilNode.calculate_result_codeN)	r   r   r   rR   r	   r   r!   r+   r(   r   r   r   r   r   v  s    r   N)
__future__r    r   r   r   r   
PyrexTypesr   r	   objectr
   r   r:   rT   rk   ExprNodery   
LetRefNodeStatNoder   r   r   r   r   r   r   <module>   s    $-q#)$"