o
    i$                     @   s8  d Z ddlmZ ddlmZ ddlmZmZmZm	Z	 ddl
mZmZmZmZmZmZmZmZ dd Zdd	 Zd
d Zdd Zdd Zdd Zdd Zeeeejdd Zeejddd Zeejddd Z eejddd Z!edejej"d d! Z#d"d# Z$eejd$d% Z%eej&j'ejd&d' Z(d(S ))z2
Implement slices and various slice computations.
    )zip_longest)ir)cgutilstypestypingutils)impl_ret_borrowedimpl_ret_new_refimpl_ret_untrackediternext_impllower_builtin
lower_castlower_constantlower_getattrc                 C   s2   |  d|t|jd}| ||}| |||S )z^
    Fix negative index by adding *size* to it.  Positive
    indices are left untouched.
    <r   )icmp_signedr   Constanttypeaddselect)builderidxsizeZis_negativeZwrapped_index r   d/var/www/html/eduruby.in/lip-sync/lip-sync-env/lib/python3.10/site-packages/numba/cpython/slicing.py	fix_index   s   r   c           	   	      s  t jdt jd} fdd} t jW\}}| |d |d W d   n1 s=w   Y  | |} |}|d|| |d|| W d   n1 scw   Y  W d   dS W d   dS 1 s{w   Y  dS )z
    Fix *slice* start and stop to be valid (inclusive and exclusive, resp)
    indexing bounds for a sequence of the given *size*.
    r   c                    s   t | }t |}t| |  d|} j|dd t| | W d    n1 s0w   Y   d|} j|dd t| | W d    d S 1 sUw   Y  d S )Nr   FZlikely>=)getattrr   setattrr   if_then)Z
bound_nameZ
lower_replZ
upper_replboundZ	underflowoverflowr   r   slicezeror   r   	fix_bound"   s   
"zfix_slice.<locals>.fix_boundstartstopN)r   r   r   Zif_elser   
is_neg_intstepr   )	r   r%   r   Z	minus_oner'   Zif_neg_stepZif_pos_steplowerupperr   r$   r   	fix_slice   s"   "r.   c              	   C   s   |j }|j}|j}t|jd}t|jd}t| |}| ||}| ||}	| 	||}
| 
||
|	}| 	|| ||}| 
|| d||| d||}| 
|||S )a   
    Given a slice, compute the number of indices it spans, i.e. the
    number of iterations that for_range_slice() will execute.

    Pseudo-code:
        assert step != 0
        if step > 0:
            if stop <= start:
                return 0
            else:
                return (stop - start - 1) // step + 1
        else:
            if stop >= start:
                return 0
            else:
                return (stop - start + 1) // step + 1

    (see PySlice_GetIndicesEx() in CPython)
       r   r   z<=)r(   r)   r+   r   r   r   r   r*   subr   r   Zsdivr   )r   slicestructr(   r)   r+   oner&   is_step_negativedeltaZpos_dividendZneg_dividendZdividendZnominal_lengthZis_zero_lengthr   r   r   get_slice_length=   s    r5   c           	      C   sd   |j }|j}|d}|d}| d|j|}| || |||}| || |||}||fS )z?
    Return the [lower, upper) indexing bounds of a slice.
    r   r/   r   )r(   r)   r   r   r+   r   r   )	r   r1   r(   r)   r&   r2   r3   r,   r-   r   r   r   get_slice_boundsi   s   

r6   c                 C   s   |  |j|S )z4
    Fix the given stride for the slice's step.
    )mulr+   )r   r%   Zstrider   r   r   
fix_stride{   s   r8   c                 C   s$   |j rt| ||jtdf dS dS )zP
    Guard against *slicestruct* having a zero step (and raise ValueError).
    slice step cannot be zeroN)has_stepr   Z
guard_nullr+   
ValueError)contextr   typr1   r   r   r   guard_invalid_slice   s
   r>   c                 C   s&   d| j d > d }d||| d dfS )z
    Get the default values for a slice's members:
    (start for positive step, start for negative step,
     stop for positive step, stop for negative step, step)
    r/   r   )Zaddress_size)r<   Zmaxintr   r   r   get_defaults   s   r?   c                    s    fddt  D \}}}}}d gd t|dkr*|jd tjur*|d d< ntt|j|D ]\}	\}
}|
tjurA||	< q2fdd}|d|}|d	| tj	d}|
|||}|
|||}|d|}|d|}|j}
 ||j}||_||_||_| }t ||j|S )
Nc                       g | ]	}  tj|qS r   get_constantr   intp.0xr<   r   r   
<listcomp>       z*slice_constructor_impl.<locals>.<listcomp>   r/   r   c                    s    |  }|d u r
|S |S Nr   )idefaultval)
slice_argsr   r   get_arg_value   s   z-slice_constructor_impl.<locals>.get_arg_value   r   )r?   lenargsr   none	enumeratezipr   rB   rC   r   return_typemake_helperr(   r)   r+   	_getvaluer
   )r<   r   sigrS   default_start_posdefault_start_negdefault_stop_posdefault_stop_negdefault_steprL   tyrN   rP   r+   r3   Zdefault_stopZdefault_startr)   r(   sliresr   )r<   rO   r   slice_constructor_impl   sD   




rc   r(   c                 C      |  |||}|jS rK   )rX   r(   r<   r   r=   valuera   r   r   r   slice_start_impl      rg   r)   c                 C   rd   rK   )rX   r)   re   r   r   r   slice_stop_impl   rh   ri   r+   c                 C   s(   |j r| |||}|jS | tjdS )Nr/   )r:   rX   r+   rB   r   rC   re   r   r   r   slice_step_impl   s   rj   zslice.indicesc                 C   s   |d }|  ||jd |d }|jt||dd | j|td W d    n1 s.w   Y  |jt||j	dd | j|td W d    n1 sRw   Y  t
||| | ||j|j|j|j	fS )Nr/   r   Fr   )zlength should not be negative)r9   )rX   rS   r!   r   r*   Z	call_convZreturn_user_excr;   Zis_scalar_zeror+   r.   Z
make_tuplerW   r(   r)   )r<   r   rZ   rS   lengthra   r   r   r   slice_indices   s(   rl   c                    s     ||} tj} fddt D \}}}}	}
|j}|d u r(d}|
}n|dk }||}|j}|d u r?|r<|}n|}n||}|j}|d u rR|rO|	}n|}n||}||_||_||_| S )Nc                    r@   r   rA   rD   rG   r   r   rH      rI   z,make_slice_from_constant.<locals>.<listcomp>Fr   )	rX   Zget_value_typer   rC   r?   r+   r(   r)   rY   )r<   r   r`   pyvalra   Zltyr[   r\   r]   r^   r_   r+   Zstep_is_negr(   r)   r   rG   r   make_slice_from_constant   s>   rn   c                 C   s&   t |tjr
|j}n|}t| |||S rK   )
isinstancer   LiteralZliteral_typern   )r<   r   r`   rm   r=   r   r   r   constant_slice   s   rq   c                 C   s   t | |||jS rK   )rn   Zliteral_value)r<   r   ZfromtyZtotyrN   r   r   r   cast_from_literal*  s   
rr   N))__doc__	itertoolsr   Zllvmliter   Z
numba.corer   r   r   r   Znumba.core.imputilsr   r	   r
   r   r   r   r   r   r   r.   r5   r6   r8   r>   r?   r%   ZVarArgAnyrc   Z	SliceTyperg   ri   rj   Integerrl   rn   rq   miscZSliceLiteralrr   r   r   r   r   <module>   s6    (
$,	

/





-
	