o
    Vh;i                     @   sH   d dl Z d dlZd dlZddlmZ ddlmZ G dd deZdZ	dS )    N   )modelVerificationErrorc                   @   s  e Zd ZdZdZdd Zdd Zdd Zd	d
 ZdZddZ	dd Z
d[ddZdd Zdd Zdd Zdd Zdd ZeZeZeZdd ZeZdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d0 Zd1d2 Zd3d4 Z d5d6 Z!d7d8 Z"d9d: Z#	<	;d\d=d>Z$d?d@ Z%eZ&d]dAdBZ'dCdD Z(dEdF Z)dGdH Z*dIdJ Z+d^dLdMZ,d^dNdOZ-dPdQ Z.dRdS Z/eZ0dTdU Z1dVdW Z2eZ3dXdY Z4d;S )_VGenericEnginegFc                 C   s   || _ |j| _g | _i | _d S N)verifierffiexport_symbols_struct_pending_verification)selfr	    r   d/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/cffi/vengine_gen.py__init__   s   
zVGenericEngine.__init__c                 C   s   | d| j d S )Nr   )
setdefaultr   )r   kwdsr   r   r   patch_extension_kwds   s   z#VGenericEngine.patch_extension_kwdsc                 C   sT   |D ]%}|| }|d u rt j}|D ]}tj||}tj|r&|    S qqd S r   )syspathosjoinisfile)r   module_namer   so_suffixes	so_suffixbasenamedirnamefilenamer   r   r   find_module   s   zVGenericEngine.find_modulec                 C      d S r   r   r   r   r   r   collect_types%      zVGenericEngine.collect_types c                 C   s   | j |d  d S )N
)_fwrite)r   whatr   r   r   _prnt(      zVGenericEngine._prntc                 C   sd   | j }|t || jj | d tjdkr0tjdkrd}nd}| j }|d||f  d S d S )Ndeclwin32   PyInit_initzvoid %s%s(void) { }
)	r)   cffimod_headerr	   preamble	_generater   platformversion_infoget_module_name)r   prntprefixmodnamer   r   r   write_source_to_f+   s   



z VGenericEngine.write_source_to_fr   c                    sj   j j}tjtjjj}|||	d G  fdddt
j  d}j	d|d |S )Nloadingc                       s&   e Zd ZZjZg Z fddZdS )z/VGenericEngine.load_library.<locals>.FFILibraryc                    s    j S r   )	_cffi_dirr!   )
FFILibraryr   r   __dir__T   s   z7VGenericEngine.load_library.<locals>.FFILibrary.__dir__N)__name__
__module____qualname___cffi_generic_moduler
   	_cffi_ffir<   r>   r   r=   moduler   r   r   r=   P   s
    r=   r$   loadedlibrary)r
   _backendr   r   r   curdirr	   modulefilenameload_library_loadtypes
ModuleType)r   flagsbackendr   rH   r   rD   r   rL   A   s   zVGenericEngine.load_libraryc                 C   s$   dd | j jj D }|  |S )Nc                 S   s   g | ]
\}\}}||fqS r   r   ).0keytpqualr   r   r   
<listcomp>^   s    z4VGenericEngine._get_declarations.<locals>.<listcomp>)r
   _parser_declarationsitemssort)r   lstr   r   r   _get_declarations]   s
   z VGenericEngine._get_declarationsc                 C   s   |   D ]?\}}|dd\}}zt| d||f }W n ty(   td| w z||| W q tyC } zt||  d }~ww d S )N r   z_generate_gen_%s_%sznot implemented in verify(): %r)r\   splitgetattrAttributeErrorr   	Exceptionr   attach_exception_info)r   	step_namenamerT   kindrealnamemethoder   r   r   r3   c   s&   zVGenericEngine._generatec           
      K   sv   |   D ]4\}}|dd\}}t| d||f }z||||fi | W q ty8 }	 zt|	|  d }	~	ww d S )Nr]   r   z
_%s_gen_%s)r\   r^   r_   ra   r   rb   )
r   rE   rc   r   rd   rT   re   rf   rg   rh   r   r   r   rM   r   s   zVGenericEngine._loadc                 C   r    r   r   r   rT   rd   r   r   r   _generate_nothing|   r#   z VGenericEngine._generate_nothingc                 K   r    r   r   r   rT   rd   rE   r   r   r   r   _loaded_noop   r#   zVGenericEngine._loaded_noopc                    s  t |tjsJ |jr| d|| d S | j}t|j}g }t|jD ]\}}d}t |tj	r1d}|
d||f  q#d|   fddt|j|D }	|j}
t |
tj	rb|	d|
d	  tj}
d
|	phd}	d| }| j
| |jr||jd }nd}d|||	f }d|  ||
|  |d t |jtj	rd}nt |jtjsd}nd}|d||d
|f  |d |  d S )NFr$   *z%sx%dzargument of %sc                    s    g | ]\}}| d |  qS )z %s)
get_c_name)rR   typeargcontextr   r   rV      s    z>VGenericEngine._generate_gen_function_decl.<locals>.<listcomp>r   z *rz, void
_cffi_f_%sr]   z	 %s%s(%s)zresult of %s{z*r = zreturn z  %s%s(%s);})
isinstancer   FunctionPtrTypeellipsis_generate_gen_constr)   lenargs	enumerateStructOrUnionappendzipresultinsertrn   	void_typer   r   abiVoidType)r   rT   rd   r7   numargsargnamesiro   indirectionarglisttpresultwrappernamer   funcdeclresult_coder   rq   r   _generate_gen_function_decl   sL   



z*VGenericEngine._generate_gen_function_declc                 C   sd  t |tjsJ |jr| d|||}ng }|}tdd |jD s)t |jtjrg }t	|jD ]\}	}
t |
tjrFt
|
}
||	|
f ||
 q0|j}t |tjry|jd u rctd| f t
|}|d| |dd|f tj}tt|||j}| j|}d| }|||}|D ]\}	}
| ||	|
|}qt||| t|j| d S )NFc                 s   s    | ]	}t |tjV  qd S r   )rw   r   r~   )rR   typr   r   r   	<genexpr>   s    z6VGenericEngine._loaded_gen_function.<locals>.<genexpr>z*'%s' is used as result type, but is opaquer   r   rt   )rw   r   rx   ry   _load_constantanyr|   r   r~   r}   PointerTyper   fldtypes	TypeError_get_c_namer   r   tupler
   _get_cached_btypeload_function_make_struct_wrappersetattrro   r<   )r   rT   rd   rE   rH   newfunctionindirectionsbase_tpindirect_argsr   r   indirect_resultBFuncr   r   r   r   _loaded_gen_function   sJ   




z#VGenericEngine._loaded_gen_functionc                    sP   | j j| j | dkr| j  fdd}n	 fdd}||_|S )Nr   c                     s"     }|g| R   |d S Nr   )new)r|   res)BTyper
   oldfuncr   r   newfunc   s   
z4VGenericEngine._make_struct_wrapper.<locals>.newfuncc                     s6   | d    |  f | d d   } |  S )Nr   )newp)r|   )r   rQ   r   r   r   r   r      s   .)r
   rI   r   _cffi_base_type)r   r   r   rT   r   r   r   )r   rQ   r
   r   r   r   r      s   z#VGenericEngine._make_struct_wrapperc                 C       ||j ksJ | |d| d S Nstructrd   _generate_struct_or_union_declri   r   r   r   _generate_gen_struct_decl      z(VGenericEngine._generate_gen_struct_declc                 C      |  |d|| d S r   _loading_struct_or_unionr   rT   rd   rE   r   r   r   _loading_gen_struct   r*   z"VGenericEngine._loading_gen_structc                 K      |  | d S r   _loaded_struct_or_unionrk   r   r   r   _loaded_gen_struct      z!VGenericEngine._loaded_gen_structc                 C   r   Nunionr   ri   r   r   r   _generate_gen_union_decl   r   z'VGenericEngine._generate_gen_union_declc                 C   r   r   r   r   r   r   r   _loading_gen_union   r*   z!VGenericEngine._loading_gen_unionc                 K   r   r   r   rk   r   r   r   _loaded_gen_union  r   z VGenericEngine._loaded_gen_unionc                 C   s  |j d u rd S d||f }d||f }d||f  }| j}|d||f  |d |d |d | D ]G\}}	}
}t|	tjrF|	 sJ|
dkrQ|d	|  q6z|d
|	jdd| |d|f  W q6 t	y} } z|dt
|  W Y d }~q6d }~ww |d | j| |d|f  |d |d|  |d |d|  |d | D ]/\}}	}
}|
dkrq|d||f  t|	tjr|	jd u r|d|	   q|d||f  q|d |d |d |d |d|f  |d |  d S )Nz_cffi_check_%s_%s_cffi_layout_%s_%s%s %szstatic void %s(%s *p)ru   z8  /* only to generate compile-time warnings or errors */z
  (void)p;r   z  (void)((p->%s) << 1);z  { %s = &p->%s; (void)tmp; }z*tmpzfield %r)qualsz
  /* %s */rv   zintptr_t %s(intptr_t i)z,  struct _cffi_aligncheck { char x; %s y; };z  static intptr_t nums[] = {z    sizeof(%s),z)    offsetof(struct _cffi_aligncheck, y),z    offsetof(%s, %s),z    0,  /* %s */z    sizeof(((%s *)0)->%s),z    -1z  };z  return nums[i];z3  /* the next line is not executed, but compiled */z  %s(0);)fldnamesstripr)   
enumfieldsrw   r   PrimitiveTypeis_integer_typern   r   strr   r   	ArrayTypelengthr   )r   rT   r8   rd   checkfuncnamelayoutfuncnamecnamer7   fnameftypefbitsizefqualrh   r   r   r   r     s^   

z-VGenericEngine._generate_struct_or_union_declc                 C   s
  |j d u rd S d||f }| jdd }|||}g }d}		 ||	}
|
dk r)n
||
 |	d7 }	q t|tjrt|jrt|d }|d }|dd d }|dd d }|	  t
|t
|  krht
|j kskJ  J ||||f|_d S d||f  }||f| j|< d S )	Nr   zintptr_t(*)(intptr_t)r   Tr      r.   r   )r   r
   _typeof_lockedr   r   rw   r   r~   partialforce_flattenr{   fixedlayoutr   r   )r   rT   r8   rd   rE   r   r   functionlayoutnumx	totalsizetotalalignmentfieldofs	fieldsizer   r   r   r   r   7  s.   


*z'VGenericEngine._loading_struct_or_unionc                 C   s  |j d u rd S | j| || jv rdd }| j}||}| j|\}}||d ||d ||d ||d d}| D ];\}}	}
}|
dkrMqB||| |||d|f  ||d  dkry||	}|||d  ||d	|f  |d7 }qB|t	|ksJ d S d S )
Nc                 S   s   | |krt d||| f d S )Nz'%s (we have %d, but C compiler says %d)r   )	realvalueexpectedvaluemsgr   r   r   checkZ  s   z5VGenericEngine._loaded_struct_or_union.<locals>.checkr   zwrong total sizer   zwrong total alignmentr   zwrong offset for field %rzwrong size for field %r)
r   r
   r   r   popsizeofalignofr   offsetofr{   )r   rT   r   r
   BStructr   r   r   r   r   r   r   BFieldr   r   r   r   S  s4   




z&VGenericEngine._loaded_struct_or_unionc                 C   s0   t |tjr| ||d d S | |d| d S Nr$   )rw   r   EnumType_generate_gen_enum_declr   ri   r   r   r   _generate_gen_anonymous_declu  s   z+VGenericEngine._generate_gen_anonymous_declc                 C   s4   t |tjr| |||d d S | |d|| d S r   )rw   r   r   _loading_gen_enumr   r   r   r   r   _loading_gen_anonymous{  s   z%VGenericEngine._loading_gen_anonymousc                 K   s4   t |tjr| j|||fi | d S | | d S r   )rw   r   r   _loaded_gen_enumr   rk   r   r   r   _loaded_gen_anonymous  s   z$VGenericEngine._loaded_gen_anonymousNconstc           
      C   sB  | j }d||f }| j| |d ur6|sJ |dksJ |d|  |d | || |d |d nf|r[|dks>J |d|  |d |d|f  |d	|f  |d nA|d usaJ |d u sgJ |d
krnd}nd}d}	|dkrt|tjrd}	d}||d|	|f | |d |d||f  |d |  d S )Nz_cffi_%s_%sr   int %s(char *out_error)ru     return 0;rv   zint %s(long long *out_value)z  *out_value = (long long)(%s);z  return (%s) <= 0;var&r$   zconst *z %s%s(void)z  return (%s%s);)r)   r   r   _check_int_constant_valuerw   r   r~   rn   )
r   is_intrd   rT   categorycheck_valuer7   funcname	ampersandextrar   r   r   rz     s@   


z"VGenericEngine._generate_gen_constc                 C   s&   t |tjo	| }| ||| d S r   )rw   r   r   r   rz   )r   rT   rd   r   r   r   r   _generate_gen_constant_decl  s   z*VGenericEngine._generate_gen_constant_declc                 C   s  d| }|d ur|sJ |  || |}|S |rZ| jdd }| jdd }	||	|}
| j|}|
|}t|d }|dk rX|sX| jdd }|dd| j| > 7 }|S |d u s`J d}t|tj	rld	| }| j|
||d }	||	|}
|
 }t|tj	r|d }|S )
Nz_cffi_const_%sz
long long*r   zint(*)(long long*)z	long longr      z	(*)(void)rm   )_load_known_int_constantr
   r   r   r   intr   rw   r   r~   rn   )r   r   rT   rd   rE   r   r   valuer   r   r   pnegative	BLongLongfntypeextrar   r   r   r     s6   zVGenericEngine._load_constantc                 C   sD   t |tjo	| }| ||||}t||| t|j| d S r   )	rw   r   r   r   r   r   ro   r<   r   )r   rT   rd   rE   rH   r   r  r   r   r   _loaded_gen_constant  s   z#VGenericEngine._loaded_gen_constantc                 C   s   | j }|dkr|d|||f  n	|d|||f  |d |d|  |d|  |d |d|  |d	 |d
|d d |f  |d |d d S )Nr   z&  if ((%s) > 0 || (long)(%s) != %dL) {z1  if ((%s) <= 0 || (unsigned long)(%s) != %dUL) {z    char buf[64];z    if ((%s) <= 0)z)        sprintf(buf, "%%ld", (long)(%s));z    elsez2        sprintf(buf, "%%lu", (unsigned long)(%s));z:    sprintf(out_error, "%s has the real value %s, not %s",z            "%s", buf, "%d");d   z    return -1;z  })r)   )r   rd   r  r7   r   r   r   r     s&   
z(VGenericEngine._check_int_constant_valuec                 C   sr   | j dd }| j dd }|||}| j |d}||dk r7| j |}tjdkr3t|d}t|d S )Nzchar[]r   zint(*)(char*)   r-   zutf-8)	r
   r   r   r   stringr   r5   r   r   )r   rE   r   r   r   r   r  errorr   r   r   r    s   

z'VGenericEngine._load_known_int_constantc                 C   s   | dd}d||f S )N$___D_z_cffi_e_%s_%s)replace)r   r8   rd   r   r   r   _enum_funcname  s   zVGenericEngine._enum_funcnameenumc                 C   s   |j r|jD ]}| d| qd S | ||}| j| | j}|d|  |d t|j|jD ]
\}}| 	|| q1|d |d |  d S )NTr   ru   r   rv   )
r   enumeratorsrz   r  r   r   r)   r   
enumvaluesr   )r   rT   rd   r8   
enumeratorr   r7   	enumvaluer   r   r   r     s   

z&VGenericEngine._generate_gen_enum_declc                    sN   j r fddjD }t|_d_d S ||} | d S )Nc                    s   g | ]
} d | qS )T)r   )rR   r  rE   r   rT   r   r   rV     s    z4VGenericEngine._loading_gen_enum.<locals>.<listcomp>T)r   r  r   r  partial_resolvedr  r  )r   rT   rd   rE   r8   r  r   r   r  r   r     s   

z VGenericEngine._loading_gen_enumc                 C   s8   t |j|jD ]\}}t||| t|j| qd S r   )r   r  r  r   ro   r<   r   )r   rT   rd   rE   rH   r  r  r   r   r   r     s   zVGenericEngine._loaded_gen_enumc                 C   s&   |dkrd }n|}| j d||d d S Nz...T)r   )rz   )r   rT   rd   r   r   r   r   _generate_gen_macro_decl   s   z'VGenericEngine._generate_gen_macro_declc                 C   sF   |dkrd }n|}| j d||||d}t||| t|j| d S r  )r   r   ro   r<   r   )r   rT   rd   rE   rH   r   r  r   r   r   _loaded_gen_macro)  s   z VGenericEngine._loaded_gen_macroc                 C   s   t |tjr<| r-| j}d|f }| j| |d|  |d |d|f  |d t|j}| 	d|| d S t|}| j	d||dd d S )	N_cffi_sizeof_%szsize_t %s(void)ru   z  return sizeof(%s);rv   Fr   )r   )
rw   r   r   length_is_unknownr)   r   r   r   itemrz   )r   rT   rd   r7   r   tp_ptrr   r   r   _generate_gen_variable_decl6  s   

z*VGenericEngine._generate_gen_variable_declc                    s\  t |tjrt| rDd|f }| jdd }|||}| }| j|j}	t	|| j
|	\}
}|dkr?td||jf ||
}t|j}| d|||}|jd urd| j|}| j||}t||| t|j| d S d| }| j|d|d }|||}|   fdd	} fd
d}tt||t|| t|j| d S )Nr  zsize_t(*)(void)r   z/bad size: %r does not seem to be an array of %sFz_cffi_var_%sz
*(*)(void)c                    s    d S r   r   rG   ptrr   r   getterg  s   z3VGenericEngine._loaded_gen_variable.<locals>.getterc                    s   | d< d S r   r   )rH   r  r   r   r   setteri  s   z3VGenericEngine._loaded_gen_variable.<locals>.setter)rw   r   r   r  r
   r   r   r   r  divmodr   r   resolve_lengthr   r   r   castr   ro   r<   r   rn   property)r   rT   rd   rE   rH   r   r   r   size	BItemTyper   restr  r  BArrayr"  r#  r   r   r   _loaded_gen_variableH  s>   


z#VGenericEngine._loaded_gen_variable)r$   )r   )Nr   Nr   )r  )5r?   r@   rA   
_class_key_gen_python_moduler   r   r   r"   r)   r:   rL   r\   r3   rM   rj   rl   _generate_gen_typedef_decl_loading_gen_typedef_loaded_gen_typedefr   _loading_gen_functionr   r   r   r   r   r   r   r   r   r   r   r   r   r   rz   r   _loading_gen_constantr   r  r   r  r  r   r   r   r  _loading_gen_macror  r  _loading_gen_variabler,  r   r   r   r   r      sj    



-$1"	
%
	


r   ac  
#include <stdio.h>
#include <stddef.h>
#include <stdarg.h>
#include <errno.h>
#include <sys/types.h>   /* XXX for ssize_t on some platforms */

/* this block of #ifs should be kept exactly identical between
   c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py
   and cffi/_cffi_include.h */
#if defined(_MSC_VER)
# include <malloc.h>   /* for alloca() */
# if _MSC_VER < 1600   /* MSVC < 2010 */
   typedef __int8 int8_t;
   typedef __int16 int16_t;
   typedef __int32 int32_t;
   typedef __int64 int64_t;
   typedef unsigned __int8 uint8_t;
   typedef unsigned __int16 uint16_t;
   typedef unsigned __int32 uint32_t;
   typedef unsigned __int64 uint64_t;
   typedef __int8 int_least8_t;
   typedef __int16 int_least16_t;
   typedef __int32 int_least32_t;
   typedef __int64 int_least64_t;
   typedef unsigned __int8 uint_least8_t;
   typedef unsigned __int16 uint_least16_t;
   typedef unsigned __int32 uint_least32_t;
   typedef unsigned __int64 uint_least64_t;
   typedef __int8 int_fast8_t;
   typedef __int16 int_fast16_t;
   typedef __int32 int_fast32_t;
   typedef __int64 int_fast64_t;
   typedef unsigned __int8 uint_fast8_t;
   typedef unsigned __int16 uint_fast16_t;
   typedef unsigned __int32 uint_fast32_t;
   typedef unsigned __int64 uint_fast64_t;
   typedef __int64 intmax_t;
   typedef unsigned __int64 uintmax_t;
# else
#  include <stdint.h>
# endif
# if _MSC_VER < 1800   /* MSVC < 2013 */
#  ifndef __cplusplus
    typedef unsigned char _Bool;
#  endif
# endif
# define _cffi_float_complex_t   _Fcomplex    /* include <complex.h> for it */
# define _cffi_double_complex_t  _Dcomplex    /* include <complex.h> for it */
#else
# include <stdint.h>
# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux)
#  include <alloca.h>
# endif
# define _cffi_float_complex_t   float _Complex
# define _cffi_double_complex_t  double _Complex
#endif
)
r   r   rN   r$   r   r  r   objectr   r1   r   r   r   r   <module>   s       g