a
    bt-                     @   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 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dS )    )absolute_import   )Nodes)	ExprNodes)Node)AtomicExprNode)
c_ptr_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| _n|| _d S N)typeis_pyobjectneeds_cleanup)selfr   r    r   i/Users/vegardjervell/Documents/master/model/venv/lib/python3.9/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   s    zTempHandle.ref)N)__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   s   | j | jj ksJ | S r
   r   r   r   envr   r   r   analyse_types#   s    zTempRefNode.analyse_typesc                 C   s   | j | jj ksJ | S r
   r   r   r   r   r   analyse_target_types'   s    z TempRefNode.analyse_target_typesc                 C   s   d S r
   r   r   r   r   r   analyse_target_declaration+   s    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   s   d S r
   r   r   coder   r   r   generate_result_code3   s    z TempRefNode.generate_result_codeFc                 C   sj   | j jr&|| ||  |   |d|  |r>| n||  f  || |	| d S N%s = %s;)
r   r   make_owned_referenceZput_xdecrefr!   ctypeputln	result_asgenerate_post_assignment_code
free_tempsr   rhsr$   Zoverloaded_assignmentr   r   r   generate_assignment_code6   s    

z$TempRefNode.generate_assignment_codeN)F)	r   r   r   r   r   r    r"   r%   r0   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rf|jrV|	|j|j n|
|j|j |j|j q4d S )NZ
manage_ref)Ztemps	funcstateallocate_tempr   r   r   r2   generate_execution_coder   Zput_xdecref_clearput_decref_clearrelease_temp)r   r$   r   r   r   r   r6   U   s    


z&TempsBlockNode.generate_execution_codec                 C   s   | j | d S r
   r2   analyse_declarationsr   r   r   r   r:   b   s    z#TempsBlockNode.analyse_declarationsc                 C   s   | j || _ | S r
   r2   analyse_expressionsr   r   r   r   r<   e   s    z"TempsBlockNode.analyse_expressionsc                 C   s   | j || d S r
   )r2   generate_function_definitionsr   r   r$   r   r   r   r=   i   s    z,TempsBlockNode.generate_function_definitionsc                 C   s   | j | d S r
   )r2   annotater#   r   r   r   r?   l   s    zTempsBlockNode.annotateN)
r   r   r   __doc__child_attrsr6   r:   r<   r=   r?   r   r   r   r   r1   C   s   r1   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dZd d! Zd"d# Zd$d% ZdS )(ResultRefNodeFNTc                 C   sl   || _ d | _|| _|d ur4|j| _t|dr4|j| _|d urB|| _|d urP|| _|rZd| _| jd ushJ d S )Nr   T)
expressionr   may_hold_nonehasattrr   is_temp)r   rC   r   r   rD   rF   r   r   r   r   w   s    
zResultRefNode.__init__c                 C   s   | S r
   r   r   r   r   r   
clone_node   s    zResultRefNode.clone_nodec                 C   s   | j r| j |S dS d S )Nr   )rC   type_dependenciesr   r   r   r   rI      s    zResultRefNode.type_dependenciesc                 C   s   || _ t|dr|j| _d S )Nr   )rC   rE   r   )r   rC   r   r   r   update_expression   s    
zResultRefNode.update_expressionc                 C   s.   | j d ur*| j js | j || _ | j j| _| S r
   )rC   r   r   r   r   r   r   r      s
    

zResultRefNode.analyse_typesc                 C   sJ   | j d ur| j S | jd ur:| jj d ur.| jj S | j|S dsFJ dd S )NFz"cannot infer type of ResultRefNode)r   rC   
infer_typer   r   r   r   rK      s    

zResultRefNode.infer_typec                 C   s   | j jsdS | jS )NF)r   r   rD   rG   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)rC   rL   r   r   rG   r   r   r   _DISABLED_may_be_none   s
    


z#ResultRefNode._DISABLED_may_be_nonec                 C   s   dS rM   r   rG   r   r   r   	is_simple   s    zResultRefNode.is_simplec                 C   s8   z| j W S  ty0   | jd ur,| j | _ Y n0 | j S r
   )result_codeAttributeErrorrC   r!   rG   r   r   r   r!      s    
zResultRefNode.resultc                 C   s   d S r
   r   r#   r   r   r   generate_evaluation_code   s    z&ResultRefNode.generate_evaluation_codec                 C   s   d S r
   r   r#   r   r   r   r%      s    z"ResultRefNode.generate_result_codec                 C   s   d S r
   r   r#   r   r   r   generate_disposal_code   s    z$ResultRefNode.generate_disposal_codec                 C   sp   | j jr,|| | js,||  |   |d|  |rD| n||  f  |	| |
| d S r&   )r   r   r(   lhs_of_first_assignmentZ
put_decrefr!   r)   r*   r+   r,   r-   r.   r   r   r   r0      s    

z&ResultRefNode.generate_assignment_codec                 C   s   d S r
   r   r   r   r   r   allocate_temps   s    zResultRefNode.allocate_tempsc                 C   s   d S r
   r   r   r   r   r   r8      s    zResultRefNode.release_tempc                 C   s   d S r
   r   r#   r   r   r   r-      s    zResultRefNode.free_temps)NNNTF)F)r   r   r   subexprsrT   r   rH   rI   rJ   r   rK   rL   rN   rO   r!   rR   r%   rS   r0   rU   r8   r-   r   r   r   r   rB   p   s&   
		
rB   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_temprC   temp_expression)r   rX   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rL| j 	 | _
nR| j | |jj| jdd| _
|d| j
| j 	 f  | j | | j | | j
| j_d S )NTr3   r'   )rY   rR   r   	temp_typeZis_arrayr   Z	base_typeZresult_in_temp_result_in_tempr!   r   r(   r4   r5   r*   rS   r-   rX   rP   r#   r   r   r   setup_temp_expr   s    
zLetNodeMixin.setup_temp_exprc                 C   sJ   | j r | j| | j| n&| jjr8|| j| j |j	| j d S r
   )
r\   rY   rS   r-   r[   r   r7   r   r4   r8   r#   r   r   r   teardown_temp_expr   s    zLetNodeMixin.teardown_temp_exprN)r   r   r   rZ   r]   r^   r   r   r   r   rW      s   rW   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 )EvalWithTempExprNoderY   subexpressionc                 C   s&   |  | |j| _|| _| jj| _d S r
   )rZ   r   r`   r   )r   rX   r`   r   r   r   r     s    
zEvalWithTempExprNode.__init__c                 C   s   | j |S r
   )r`   rK   r   r   r   r   rK     s    zEvalWithTempExprNode.infer_typec                 C   s
   | j  S r
   )r`   rL   rG   r   r   r   rL     s    z EvalWithTempExprNode.may_be_nonec                 C   s
   | j  S r
   )r`   r!   rG   r   r   r   r!     s    zEvalWithTempExprNode.resultc                 C   s8   | j || _ | j| j  | j|| _| jj| _| S r
   )rY   r   rX   rJ   r`   r   r   r   r   r   r     s
    
z"EvalWithTempExprNode.analyse_typesc                 C   s   | j | d S r
   )r`   r-   r#   r   r   r   free_subexpr_temps  s    z'EvalWithTempExprNode.free_subexpr_tempsc                 C   s   | j | d S r
   )r`   rS   r#   r   r   r   generate_subexpr_disposal_code  s    z3EvalWithTempExprNode.generate_subexpr_disposal_codec                 C   s$   |  | | j| | | d S r
   )r]   r`   rR   r^   r#   r   r   r   rR   !  s    
z-EvalWithTempExprNode.generate_evaluation_codeN)r   r   r   rV   r   rK   rL   r!   r   ra   rb   rR   r   r   r   r   r_      s   r_   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 )LetNoderY   r2   c                 C   s   |  | |j| _|| _d S r
   )rZ   r   r2   )r   rX   r2   r   r   r   r   6  s    
zLetNode.__init__c                 C   s   | j | | j| d S r
   )rY   r:   r2   r   r   r   r   r:   ;  s    zLetNode.analyse_declarationsc                 C   s    | j || _ | j|| _| S r
   )rY   r<   r2   r   r   r   r   r<   ?  s    zLetNode.analyse_expressionsc                 C   s$   |  | | j| | | d S r
   )r]   r2   r6   r^   r#   r   r   r   r6   D  s    
zLetNode.generate_execution_codec                 C   s    | j || | j|| d S r
   )rY   r=   r2   r>   r   r   r   r=   I  s    z%LetNode.generate_function_definitionsN)	r   r   r   rA   r   r:   r<   r6   r=   r   r   r   r   rc   *  s   
rc   c                   @   s6   e Zd Zg ZdgZdd Zdd Zdd Zdd	 Zd
S )TempResultFromStatNoder2   c                 C   s&   || _ |j| _|| _|j| _d| _d S )Nr   )
result_refr   r2   r   rF   )r   re   r2   r   r   r   r   W  s
    zTempResultFromStatNode.__init__c                 C   s   | j | d S r
   r9   r   r   r   r   r:   ^  s    z+TempResultFromStatNode.analyse_declarationsc                 C   s   | j || _ | S r
   r;   r   r   r   r   r   a  s    z$TempResultFromStatNode.analyse_typesc                 C   s   |   | j_| j| d S r
   )r!   re   rP   r2   r6   r#   r   r   r   r%   e  s    z+TempResultFromStatNode.generate_result_codeN)	r   r   r   rV   rA   r   r:   r   r%   r   r   r   r   rd   N  s   rd   N)
__future__r    r   r   r   r   Z
PyrexTypesr   objectr	   r   r1   rB   rW   ZExprNoder_   Z
LetRefNodeZStatNoderc   rd   r   r   r   r   <module>   s   $-n )$