U
    e#                  	   @   s  d dl mZmZmZmZmZmZmZmZ d dl	m
Z
 d dl mZ d dlmZ d dlmZmZ d dlmZmZmZ ddd	d
dddddg	Zdd eD Zee dddddg Zdd ZG dd deZdd ZG dd deZG dd  d eZd!d" Zd#d$ Zd%d& Zd'S )(   )Nodes	ExprNodes	FusedNodeTreeFragmentPipelineParseTreeTransformsNaming	UtilNodes)error)
PyrexTypes)CythonUtilityCode)TempitaUtilityCodeUtilityCode)	PrintTreeTreeVisitorVisitorTransformZNPY_BYTEZNPY_INT8Z	NPY_SHORTZ	NPY_INT16ZNPY_INTZ	NPY_INT32ZNPY_LONGZNPY_LONGLONGZ	NPY_INT64c                 C   s   g | ]}| d dqS )ZNPY_ZNPY_U)replace).0tp r   :/tmp/pip-unpacked-wheel-7k3cqui1/Cython/Compiler/UFuncs.py
<listcomp>   s     r   Z	NPY_FLOATZNPY_FLOAT32Z
NPY_DOUBLEZNPY_FLOAT64ZNPY_LONGDOUBLEc                 C   s~   |j r2|tjkrdS |tjkr"dS |tjkrldS n:|jrb|  dd}d| }|t	krl|S n
|j
rldS t| d|  d S )	NZ
NPY_CFLOATZNPY_CDOUBLEZNPY_CLONGDOUBLE  zNPY_%sZ
NPY_OBJECTz,Type '%s' cannot be used as a ufunc argument)Z
is_complexr   Zc_float_complex_typeZc_double_complex_typeZc_longdouble_complex_typeZ
is_numericZempty_declaration_codeupperr   numpy_numeric_typesis_pyobjectr
   )postype_Zpostfixtypenamer   r   r   _get_type_constant+   s    


r    c                   @   s,   e Zd ZdZdZdd Zdd Zdd ZdS )	_FindCFuncDefNodezf
    Finds the CFuncDefNode in the tree

    The assumption is that there's only one CFuncDefNode
    Nc                 C   s   | j r
d S | | d S N)
found_nodeZvisitchildrenselfnoder   r   r   
visit_NodeI   s    z_FindCFuncDefNode.visit_Nodec                 C   s
   || _ d S r"   )r#   r$   r   r   r   visit_CFuncDefNodeO   s    z$_FindCFuncDefNode.visit_CFuncDefNodec                 C   s   |  | | jS r"   )visitr#   )r%   treer   r   r   __call__R   s    
z_FindCFuncDefNode.__call__)__name__
__module____qualname____doc__r#   r'   r(   r+   r   r   r   r   r!   @   s
   r!   c                 C   s
   t  | S r"   )r!   )r*   r   r   r   get_cfunc_from_treeW   s    r0   c                   @   s   e Zd ZdZdd ZdS )_ArgumentInfoz
    Everything related to defining an input/output argument for a ufunc

    type  - PyrexType
    type_constant  - str such as "NPY_INT8" representing numpy dtype constants
    c                 C   s   || _ || _d S r"   )typetype_constant)r%   r2   r3   r   r   r   __init__c   s    z_ArgumentInfo.__init__N)r,   r-   r.   r/   r4   r   r   r   r   r1   [   s   r1   c                   @   s4   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdS )UFuncConversionc                 C   s*   || _ |j | _|  | _|  | _d S r"   )r&   local_scopeglobal_scopeget_in_type_infoin_definitionsget_out_type_infoout_definitionsr$   r   r   r   r4   i   s    
zUFuncConversion.__init__c                 C   s@   g }t | jjD ]*\}}t| jj|j}|t|j| q|S r"   )	enumerater&   argsr    r   r2   appendr1   )r%   definitionsnargZ
type_constr   r   r   r8   p   s
    z UFuncConversion.get_in_type_infoc                 C   sT   | j jjr| j jj}n
| j jg}g }t|D ]"\}}|t|t| j j| q,|S r"   )	r&   return_typeZ	is_ctuple
componentsr<   r>   r1   r    r   )r%   rC   r?   r@   r2   r   r   r   r:   w   s    

z!UFuncConversion.get_out_type_infoc           	   	   C   s   dd | j D }dd | jD }| jjjj| jjjdd}d| jj_| j	| jjj
d }tdd |D p|td	d |D  }t|||| jjj|| jjjj|d
}tjdd|| jd}|jdd}|S )Nc                 S   s   g | ]
}|j qS r   r2   r   ar   r   r   r      s     z<UFuncConversion.generate_cy_utility_code.<locals>.<listcomp>c                 S   s   g | ]
}|j qS r   rD   rE   r   r   r   r      s     T)ZpyrexZ
_ufunc_defc                 s   s   | ]}|j V  qd S r"   r   r   tr   r   r   	<genexpr>   s     z;UFuncConversion.generate_cy_utility_code.<locals>.<genexpr>c                 s   s   | ]}|j V  qd S r"   rG   rH   r   r   r   rJ      s     )Z
func_cnameZin_types	out_typesZinline_func_callZinline_func_declarationnogilwill_be_called_without_gilZUFuncDefinitionz
UFuncs.pyx)contextZouter_module_scope)Zentries_only)r9   r;   r&   entryr2   Zdeclaration_codecnameusedr7   next_idnameanydictrL   r   loadZget_tree)	r%   Z	arg_typesrK   Zinline_func_declZufunc_cnamerM   rN   coder*   r   r   r   generate_cy_utility_code   s8    
 


z(UFuncConversion.generate_cy_utility_codec                 C   s,   | j tdd | j tdd d S )NZ
UFuncsInit
UFuncs_C.cZNumpyImportUFunczNumpyImportArray.c)r7   use_utility_coder   Zload_cached)r%   r   r   r   use_generic_utility_code   s    

z(UFuncConversion.use_generic_utility_codeN)r,   r-   r.   r4   r8   r:   rX   r[   r   r   r   r   r5   h   s
   !r5   c                 C   s   t | tjr6| jjjr&t| jd | S t| g}| }n^t | t	j
rt | jtjr| jjjjrlt| jd | S dd | jD }| j}nt| jd | S |sd S |d jj|jj= |d   | gt|| S )Nz0Methods cannot currently be converted to a ufuncc                 S   s   g | ]}t |qS r   )r5   )r   r@   r   r   r   r      s     z$convert_to_ufunc.<locals>.<listcomp>z,Only C functions can be converted to a ufunc    )
isinstancer   ZCFuncDefNoder6   Zparent_scopeZis_c_class_scoper
   r   r5   r   ZFusedCFuncDefNoder&   Znodesr7   entriesrO   rS   r[   _generate_stats_from_converters)r&   
convertersoriginal_noder   r   r   convert_to_ufunc   s,    

 rb   c                 C   s  | d j }|tjd }|tjd }|tjd }g }d }d }	| D ]|}
dd |
jD }|d k	rx|t|kstnt|}|| dd |
jD }|	d k	r|	t|kstnt|}	|| qJdd |D }t	|||||d	}|
tjd
d|d |j}|jj}|j}d|||t|||	||r4| ndf }tj|dttjtdtjd gtj|tj|dgd}||tj|}tj|tj||tj|d|d}|S )Nr\   funcstypesdatac                 S   s   g | ]
}|j qS r   r3   r   dr   r   r   r      s     z1generate_ufunc_initialization.<locals>.<listcomp>c                 S   s   g | ]
}|j qS r   rf   rg   r   r   r   r      s     c                 S   s   g | ]}|j jqS r   )rO   rP   )r   Zcfnoder   r   r   r      s     )ufunc_funcs_namefunc_cnamesufunc_types_nametype_constantsufunc_data_nameZUFuncConstsrY   )rN   z5%s(), %s, %s(), %s, %s, %s, PyUFunc_None, "%s", %s, 0ZNULLZPyUFunc_FromFuncAndDatadummy)r2   value)Zfunction_nameZ	func_typer=   )rS   r2   rO   )lhsrhs)r7   rR   r   Zpyrex_prefixr9   lenAssertionErrorextendr;   rU   rZ   r   rV   r   rO   rS   docZas_c_string_literalr   ZPythonCapiCallNoder   Z	CFuncTypeZpy_object_typeZCFuncTypeArgZc_void_ptr_typeZ	ConstNodeZdeclare_varr   ZSingleAssignmentNodeZNameNode)r`   Zcfunc_nodesra   r7   ri   rk   rm   rl   Znarg_inZnarg_outcZin_constZ	out_constrj   rN   r   	func_nameZdocstrZargs_to_funcZ	call_nodeZ	lhs_entryZ
assgn_noder   r   r   generate_ufunc_initialization   s    

     rx   c                 C   sP   g }| D ]0}|  }t|}|jj|jj || q|t| || |S r"   )rX   r0   r7   Zutility_code_listrt   Zscoper>   rx   )r`   r&   stats	converterr*   Z
ufunc_noder   r   r   r_     s    r_   N) r   r   r   r   r   r   r   r   r	   ZErrorsr
   r   r   r   ZCoder   ZVisitorr   r   r   Znumpy_int_typesZnumpy_uint_typesr   r    r!   r0   objectr1   r5   rb   rx   r_   r   r   r   r   <module>   sF   (
FJ