U
    ,d                     @   s   d Z ddlmZmZ ddlmZ ddlmZmZ ddl	m
Z
 ddlmZmZmZ ddlmZ ddlmZ d	Zd
ZdZdd ZeeeddZeeeddZdd Zi Zdd Zeejdd Zeejdd Zeej dd Z!dS )z
Implement logic relating to wrapping (box) and unwrapping (unbox) instances
of jitclasses for use inside the python interpreter.
    )wrapspartial)ir)typescgutils)njit)boxunboxNativeValue)typeof_impl)_boxz;
def accessor(__numba_self_):
    return __numba_self_.{0}
zN
def mutator(__numba_self_, __numba_val):
    __numba_self_.{0} = __numba_val
zL
def method(__numba_self_, *args):
    return __numba_self_.{method}(*args)
c                 C   s$   | | }i }t|| t|| S )zG
    Generate simple function that get/set a field of the instance
    )formatexecr   )fieldtemplatefnamesourceglbls r   F/tmp/pip-unpacked-wheel-eu7e0c37/numba/experimental/jitclass/boxing.py_generate_property!   s    

r   accessor)r   r   Zmutatorc                    s>   t j| d}i }t|| t|d  t| fdd}|S )zo
    Generate a wrapper for calling a method.  Note the wrapper will only
    accept positional arguments.
    methodr   c                     s
    | |S Nr   )argskwargsr   r   r   wrapper;   s    z!_generate_method.<locals>.wrapper)_method_code_templater   r   r   r   )namefuncr   r   r   r   r   r   _generate_method1   s    
r!   c              ,   C   s  | t krt |  S d| | jjd}| jD ]"}t|}t|}t||||< q&| j D ]f\}}d}d}d|krtt|}d|krt|}|	dp|	dpd}t
|dd}t|||d||< qTdd	d
dddddddddddddddddddddd d!d"d#d$d%d&d'd(d)d*d+d,d-d.d/d0d1d2d3h,}| j D ]>\}	}
|	d4rP|	d4rP|	|krPq"t|	|
||	< q"| j D ]\}	}
t|	|
||	< qlt| jtjf|}|t | < | D ]d\}}t|trt
||}|jdk	r|j}|| f}|  t||t||j|j|jd q|S )5z
    Create a subclass of Box that is specialized to the jitclass.

    This function caches the result to avoid code bloat.
    r   )	__slots___numba_type___doc__Ngetsetr$   )doc__abs____bool____complex____contains__	__float____getitem____hash__	__index____int____len____setitem____str____eq____ne____ge____gt____le____lt____add____floordiv__
__lshift____mod____mul____neg____pos____pow__
__rshift____sub____truediv____and____or____xor____iadd____ifloordiv____ilshift____imod____imul____ipow____irshift____isub____itruediv____iand____ior____ixor____)_cache_specialized_boxZ
class_typeZ	class_docstruct_generate_getter_generate_setterpropertyZ	jit_propsitemsr%   getattrmethods
startswithendswithr!   Zstatic_methodstype	classnamer   Box
isinstancefgetcompileZdisable_compilesetattrfsetfdelr$   )typdctr   gettersetterZimpdctimpr'   Zsupported_dundersr   r    subclskvproprc   Z	fast_fgetr   r   r   _specialize_boxE   s    
.
rq   c                    s   t j|\}}t| }jjjt|dd}j|jj	}j
|d td j|}j|}	 fdd}
|
tj| |
tj|	  S )NZbox_class_instance)infor      c                    sD   j tj| }tj |}j| }j	|| d S r   )
contextget_constantr   uintpr   pointer_addbuilderbitcast
as_pointerstore)member_offsetvalueoffsetptrcastedr   c	llvoidptrr   r   
set_member   s    z'_box_class_instance.<locals>.set_member)r   Zunpack_tuplerx   rq   rt   Zadd_dynamic_addridry   pyapiZpyobjZcall_function_objargsr   IntTyperz   r   box_meminfoptr_offsetbox_dataptr_offset)rh   valr   meminfoZdataptrZbox_subclassedZvoidptr_boxclsZbox_clsZaddr_meminfoZ	addr_datar   r   r   r   _box_class_instance   s     r   c           	         s    fdd}t | }| j j}|tj}|tj} j||jj	|_ j||j
j	|_
| } jj j| | t| j dS )Nc                    sL    j tj| }td }t j	|} j	
|| } j	|S )Nrs   )rt   ru   r   rv   r   r   rz   r   rw   rx   ry   load)r|   r~   r   r   r   r   r   r   r   access_member   s
    z,_unbox_class_instance.<locals>.access_member)Zis_error)r   Zcreate_struct_proxyrt   rx   r   r   r   ry   r   r_   dataZ	_getvalueZnrtZincrefr
   r   Zc_api_error)	rh   r   r   r   Z
struct_clsinstZptr_meminfoZptr_dataptrretr   r   r   _unbox_class_instance   s    


r   c                 C   s   t t| dS )Nr#   )r[   r_   )r   r   r   r   r   _typeof_jitclass_box   s    r   N)"r$   	functoolsr   r   Zllvmliter   Z
numba.corer   r   Znumba.core.decoratorsr   Znumba.core.pythonapir   r	   r
   Znumba.core.typing.typeofr   Znumba.experimental.jitclassr   Z_getter_code_templateZ_setter_code_templater   r   rW   rX   r!   rU   rq   ZClassInstanceTyper   r   registerra   r   r   r   r   r   <module>   s4   
s
 
$
