Current File : //lib64/python3.9/site-packages/cffi/__pycache__/vengine_gen.cpython-39.pyc
a

�`<h�@sHddlZddlZddlZddlmZddlmZGdd�de�ZdZ	dS)�N�)�model��VerificationErrorc@s�eZdZdZdZdd�Zdd�Zdd�Zd	d
�ZdZdd
�Z	dd�Z
d[dd�Zdd�Zdd�Z
dd�Zdd�Zdd�ZeZeZeZdd�ZeZdd �Zd!d"�Zd#d$�Zd%d&�Zd'd(�Zd)d*�Zd+d,�Zd-d.�Zd/d0�Zd1d2�Zd3d4�Z d5d6�Z!d7d8�Z"d9d:�Z#d\d=d>�Z$d?d@�Z%eZ&d]dAdB�Z'dCdD�Z(dEdF�Z)dGdH�Z*dIdJ�Z+d^dLdM�Z,d_dNdO�Z-dPdQ�Z.dRdS�Z/eZ0dTdU�Z1dVdW�Z2eZ3dXdY�Z4d;S)`�VGenericEngine�gFcCs||_|j|_g|_i|_dS�N)�verifier�ffi�export_symbols�_struct_pending_verification)�selfr	�r�6/usr/lib64/python3.9/site-packages/cffi/vengine_gen.py�__init__szVGenericEngine.__init__cCs|�d|j�dS)Nr)�
setdefaultr)r
�kwdsrrr�patch_extension_kwdssz#VGenericEngine.patch_extension_kwdscCsT|D]J}||}|durtj}|D]*}tj�||�}tj�|�r"|Sq"qdSr)�sys�path�os�join�isfile)r
Zmodule_namerZso_suffixesZ	so_suffix�basename�dirname�filenamerrr�find_moduleszVGenericEngine.find_modulecCsdSrr�r
rrr�
collect_types%szVGenericEngine.collect_types�cCs|j�|d�dS)N�
)Z_f�write)r
Zwhatrrr�_prnt(szVGenericEngine._prntcCs`|j}|t�||jj�|�d�tjdkr\tjdkr>d}nd}|j��}|d||f�dS)NZdecl�win32��ZPyInit_�initzvoid %s%s(void) { }
)	r"�cffimod_headerr	Zpreamble�	_generater�platform�version_infoZget_module_name)r
�prnt�prefix�modnamerrr�write_source_to_f+s



z VGenericEngine.write_source_to_frcsj�jj}tj�tj�jj�}|�||����	�d�G���fdd�dt
j���d�}�j	�d|d�|S)NZloadingcs&eZdZ�Z�jZgZ�fdd�ZdS)z/VGenericEngine.load_library.<locals>.FFILibrarycs�jSr)�	_cffi_dirr)�
FFILibraryrr�__dir__Tsz7VGenericEngine.load_library.<locals>.FFILibrary.__dir__N)�__name__�
__module__�__qualname__Z_cffi_generic_moduler
Z	_cffi_ffir/r1r�r0�moduler
rrr0Psr0rZloaded��library)r
�_backendrrr�curdirr	Zmodulefilename�load_library�_load�types�
ModuleType)r
�flags�backendrr8rr5rr;AszVGenericEngine.load_librarycCs$dd�|jjj��D�}|��|S)NcSsg|]\}\}}||f�qSrr)�.0�key�tpZqualrrr�
<listcomp>^�z4VGenericEngine._get_declarations.<locals>.<listcomp>)r
Z_parserZ
_declarations�items�sort)r
Zlstrrr�_get_declarations]s
�z VGenericEngine._get_declarationscCs�|��D]�\}}|�dd�\}}zt|d||f�}WntyTtd|��Yn0z|||�Wqty�}zt�||��WYd}~qd}~00qdS)N� rz_generate_gen_%s_%sznot implemented in verify(): %r)rH�split�getattr�AttributeErrorr�	Exceptionr�attach_exception_info)r
�	step_name�namerC�kind�realname�method�errrr(cs��
zVGenericEngine._generatec
Ks�|��D]v\}}|�dd�\}}t|d||f�}z||||fi|��Wqty|}	zt�|	|��WYd}	~	qd}	~	00qdS)NrIrz
_%s_gen_%s)rHrJrKrMrrN)
r
r6rOrrPrCrQrRrSrTrrrr<rszVGenericEngine._loadcCsdSrr�r
rCrPrrr�_generate_nothing|sz VGenericEngine._generate_nothingcKsdSrr�r
rCrPr6rrrr�_loaded_noopszVGenericEngine._loaded_noopcs�t|tj�sJ�|jr(|�d||�dS|j}t|j�}g}t|j�D].\}}d}t|tj	�rbd}|�
d||f�qFd|��fdd�t|j|�D�}	|j}
t|
tj	�r�|	�
d|
�d	���tj}
d
�|	�p�d}	d|}|j�
|�|jr�|jd
}nd}d|||	f}
d|�||
�|
���|d�t|jtj	��r@d}nt|jtj��sVd}nd}|d||d
�|�f�|d�|�dS)NFr�*z%sx%dzargument of %scs g|]\}}|�d|���qS)z %s)�
get_c_name)rA�type�arg��contextrrrD�s�z>VGenericEngine._generate_gen_function_decl.<locals>.<listcomp>rz *rz, Zvoid�
_cffi_f_%srIz	 %s%s(%s)zresult of %s�{z*r = zreturn z  %s%s(%s);�})�
isinstancer�FunctionPtrType�ellipsis�_generate_gen_constr"�len�args�	enumerate�
StructOrUnion�append�zip�result�insertrZ�	void_typerr�abiZVoidType)r
rCrPr+ZnumargsZargnames�ir[ZindirectionZarglistZtpresult�wrappernameroZfuncdeclZresult_coderr]r�_generate_gen_function_decl�sL


�z*VGenericEngine._generate_gen_function_declcCsjt|tj�sJ�|jr*|�d|||�}�n g}|}tdd�|jD��sVt|jtj��r
g}t	|j�D]6\}	}
t|
tj�r�t�
|
�}
|�|	|
f�|�|
�qd|j}t|tj�r�|jdur�t
d|��f��t�
|�}|�d|�|�dd|f�tj}t�t|�||j�}|j�|�}d|}
|�||
�}|D]\}	}
|�||	|
|�}�q.t|||�t|�j�|�dS)NFcss|]}t|tj�VqdSr)rbrri)rA�typrrr�	<genexpr>�rEz6VGenericEngine._loaded_gen_function.<locals>.<genexpr>z*'%s' is used as result type, but is opaquerrlr_)rbrrcrd�_load_constant�anyrgrlrirh�PointerTyperjZfldtypes�	TypeError�_get_c_namermrn�tupler
�_get_cached_btype�
load_function�_make_struct_wrapper�setattrr[r/)r
rCrPr6r8ZnewfunctionZindirections�base_tpZ
indirect_argsrprsZindirect_result�BFuncrqrrr�_loaded_gen_function�sJ�

��

�
�z#VGenericEngine._loaded_gen_functioncsP|jj�|j�|���dkr4|j����fdd�}n����fdd�}||_|S)Nrlcs"����}�|g|�R�|dS�Nr)�new)rg�res)�BTyper
�oldfuncrr�newfunc�s
z4VGenericEngine._make_struct_wrapper.<locals>.newfunccs6|d�����|��f|�dd�}�|�S)Nr)Znewp)rg)r�r@rpr�rrr��s.)r
r9r{Z_cffi_base_type)r
r�rprCrr�r)r�r@r
rpr�rr}�sz#VGenericEngine._make_struct_wrappercCs ||jksJ�|�|d|�dS�N�struct�rP�_generate_struct_or_union_declrUrrr�_generate_gen_struct_decl�sz(VGenericEngine._generate_gen_struct_declcCs|�|d||�dSr���_loading_struct_or_union�r
rCrPr6rrr�_loading_gen_struct�sz"VGenericEngine._loading_gen_structcKs|�|�dSr��_loaded_struct_or_unionrWrrr�_loaded_gen_struct�sz!VGenericEngine._loaded_gen_structcCs ||jksJ�|�|d|�dS�N�unionr�rUrrr�_generate_gen_union_decl�sz'VGenericEngine._generate_gen_union_declcCs|�|d||�dSr�r�r�rrr�_loading_gen_unionsz!VGenericEngine._loading_gen_unioncKs|�|�dSrr�rWrrr�_loaded_gen_unionsz VGenericEngine._loaded_gen_unionc
Cs|jdurdSd||f}d||f}d||f��}|j}|d||f�|d�|d�|d�|��D]�\}}	}
}t|	tj�r�|	��s�|
dkr�|d	|�qlz$|d
|	jdd||d
�|f�Wqlt	y�}z|dt
|��WYd}~qld}~00ql|d�|j�|�|d|f�|d�|d|�|d�|d|�|d�|��D]h\}}	}
}|
dk�rr�qX|d||f�t|	tj
��r�|	jdu�r�|d|	���n|d||f��qX|d�|d�|d�|d�|d|f�|d�|�dS)Nz_cffi_check_%s_%s�_cffi_layout_%s_%s�%s %szstatic void %s(%s *p)r`z8  /* only to generate compile-time warnings or errors */z
  (void)p;rz  (void)((p->%s) << 1);z  { %s = &p->%s; (void)tmp; }z*tmpzfield %r)Zqualsz
  /* %s */razintptr_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"�
enumfieldsrbr�
PrimitiveType�is_integer_typerZr�strrrj�	ArrayType�lengthry)
r
rCr,rPZ
checkfuncname�layoutfuncname�cnamer+�fname�ftype�fbitsize�fqualrTrrrr�s\
���(
z-VGenericEngine._generate_struct_or_union_declcCs|jdurdSd||f}|j�d�d}|�||�}g}d}	||	�}
|
dkrPqd|�|
�|	d7}	q>t|tj�r�|jr�|d}|d}|ddd�}
|ddd�}|�	�t
|
�t
|�kr�t
|j�ks�nJ�|
|||f|_nd||f��}||f|j
|<dS)Nr�zintptr_t(*)(intptr_t)rr�r%r�)r�r
�_typeof_lockedr|rjrbrri�partialZ
force_flattenrfZfixedlayoutr�r)r
rCr,rPr6r�r��function�layoutZnum�xZ	totalsizeZtotalalignmentZfieldofsZ	fieldsizer�rrrr�7s*



(z'VGenericEngine._loading_struct_or_unionc
Cs|jdurdS|j�|�||jv�rdd�}|j}|�|�}|j�|�\}}||d|�|�d�||d|�|�d�d}|��D]v\}}	}
}|
dkr�q�||||�||�d|f�||ddkr�|�|	�}|||d|�|�d	|f�|d7}q�|t	|�k�sJ�dS)
NcSs||krtd|||f��dS)Nz'%s (we have %d, but C compiler says %d)r)Z	realvalueZ
expectedvalue�msgrrr�checkZs��z5VGenericEngine._loaded_struct_or_union.<locals>.checkrzwrong total sizerzwrong total alignmentr�zwrong offset for field %rzwrong size for field %r)
r�r
r{r�pop�sizeofZalignofr�Zoffsetofrf)
r
rCr�r
ZBStructr�r�rpr�r�r�r�ZBFieldrrrr�Ss0

�
�
z&VGenericEngine._loaded_struct_or_unioncCs.t|tj�r|�||d�n|�|d|�dS�Nr)rbr�EnumType�_generate_gen_enum_declr�rUrrr�_generate_gen_anonymous_declusz+VGenericEngine._generate_gen_anonymous_declcCs2t|tj�r|�|||d�n|�|d||�dSr�)rbrr��_loading_gen_enumr�r�rrr�_loading_gen_anonymous{sz%VGenericEngine._loading_gen_anonymouscKs2t|tj�r$|j|||fi|��n
|�|�dSr)rbrr��_loaded_gen_enumr�rWrrr�_loaded_gen_anonymous�sz$VGenericEngine._loaded_gen_anonymousN�constc
CsF|j}d||f}|j�|�|durl|s.J�|dks:J�|d|�|d�|�||�|d�|d�n�|r�|dks|J�|d|�|d�|d|f�|d	|f�|d�n�|dus�J�|dus�J�|d
kr�d}nd}d}	|dk�rt|tj��rd
}	d}||�d|	|f|��|d�|d||f�|d�|�dS)Nz_cffi_%s_%sr��int %s(char *out_error)r`�  return 0;razint %s(long long *out_value)z  *out_value = (long long)(%s);z  return (%s) <= 0;�var�&rzconst *z %s%s(void)z  return (%s%s);)r"rrj�_check_int_constant_valuerbrrirZ)
r
�is_intrPrC�category�check_valuer+�funcnameZ	ampersandZextrarrrre�s@

z"VGenericEngine._generate_gen_constcCs&t|tj�o|��}|�|||�dSr)rbrr�r�re)r
rCrPr�rrr�_generate_gen_constant_decl�sz*VGenericEngine._generate_gen_constant_declcCsd|}|dur*|sJ�|�||�|}n�|r�|j�d�d}|j�d�d}	|�|	|�}
|j�|�}|
|�}t|d�}|dkr�|s�|j�d�d}
|dd|j�|
�>7}nd|dus�J�d}t|tj	�r�d	|}|j�|�
||��d}	|�|	|�}
|
�}t|tj	��r|d}|S)
Nz_cffi_const_%sz
long long*rzint(*)(long long*)z	long longr�z	(*)(void)rY)�_load_known_int_constantr
r�r|r��intr�rbrrirZ)r
r�rCrPr6r�r��valuer�r�r��p�negativeZ	BLongLongZfntypeextrarrrru�s2zVGenericEngine._load_constantcCsDt|tj�o|��}|�||||�}t|||�t|�j�|�dSr)	rbrr�r�rur~r[r/rj)r
rCrPr6r8r�r�rrr�_loaded_gen_constant�sz#VGenericEngine._loaded_gen_constantcCs�|j}|dkr"|d|||f�n|d|||f�|d�|d|�|d|�|d�|d|�|d	�|d
|dd�|f�|d�|d
�dS)Nrz&  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");�dz    return -1;z  })r")r
rPr�r+rrrr��s&�
��z(VGenericEngine._check_int_constant_valuecCsr|j�d�d}|j�d�d}|�||�}|j�|d�}||�dkrn|j�|�}tjdkrft|d�}t|��dS)Nzchar[]rz
int(*)(char*)�r$zutf-8)	r
r�r|r��stringrr*r�r)r
r6r�r�r�r�r��errorrrrr��s

z'VGenericEngine._load_known_int_constantcCs|�dd�}d||fS)N�$Z___D_z
_cffi_e_%s_%s)�replace)r
r,rPrrr�_enum_funcname�szVGenericEngine._enum_funcname�enumcCs�|jr"|jD]}|�d|�qdS|�||�}|j�|�|j}|d|�|d�t|j|j�D]\}}|�	||�qb|d�|d�|�dS)NTr�r`r�ra)
r��enumeratorsrer�rrjr"rk�
enumvaluesr�)r
rCrPr,�
enumeratorr�r+�	enumvaluerrrr��s
z&VGenericEngine._generate_gen_enum_declcsL�jr0���fdd��jD�}t|��_d�_n��||�}���|�dS)Ncsg|]}��d�|���qS)T)ru)rAr��r6r
rCrrrDs�z4VGenericEngine._loading_gen_enum.<locals>.<listcomp>T)r�r�rzr�Zpartial_resolvedr�r�)r
rCrPr6r,r�r�rr�rr�s�
z VGenericEngine._loading_gen_enumcCs8t|j|j�D]$\}}t|||�t|�j�|�qdSr)rkr�r�r~r[r/rj)r
rCrPr6r8r�r�rrrr�szVGenericEngine._loaded_gen_enumcCs&|dkrd}n|}|jd||d�dS�Nz...T)r�)re)r
rCrPr�rrr�_generate_gen_macro_decl sz'VGenericEngine._generate_gen_macro_declcCsF|dkrd}n|}|jd||||d�}t|||�t|�j�|�dSr�)rur~r[r/rj)r
rCrPr6r8r�r�rrr�_loaded_gen_macro)s�z VGenericEngine._loaded_gen_macrocCs�t|tj�rv|��rZ|j}d|f}|j�|�|d|�|d�|d|f�|d�t�|j�}|�	d||�nt�|�}|j	d||dd�dS)	N�_cffi_sizeof_%szsize_t %s(void)r`z  return sizeof(%s);raFr�)r�)
rbrr��length_is_unknownr"rrjrw�itemre)r
rCrPr+r��tp_ptrrrr�_generate_gen_variable_decl6s

z*VGenericEngine._generate_gen_variable_declcs\t|tj�r�|��r�d|f}|j�d�d}|�||�}|�}|j�|j�}	t	||j�
|	��\}
}|dkr~td||jf��|�|
�}t�
|j�}|�d|||�}
|jdur�|j�|�}|j�||
�}
t|||
�t|�j�|�dSd|}|j�|�d|��d}|�||�}|���fdd	�}�fd
d�}tt|�|t||��t|�j�|�dS)Nr�zsize_t(*)(void)rz/bad size: %r does not seem to be an array of %sFz_cffi_var_%sz
*(*)(void)cs�dSr�rr7�Zptrrr�gettergsz3VGenericEngine._loaded_gen_variable.<locals>.gettercs|�d<dSr�r)r8r�r�rr�setterisz3VGenericEngine._loaded_gen_variable.<locals>.setter)rbrr�r�r
r�r|r{r��divmodr�rZresolve_lengthrwrur��castr~r[r/rjrZ�property)r
rCrPr6r8r�r�r��sizeZ	BItemTyper��restr�r�ZBArrayr�r�rr�r�_loaded_gen_variableHs>
��

z#VGenericEngine._loaded_gen_variable)r)r)Nr�N)N)r�)r�)5r2r3r4Z
_class_keyZ_gen_python_modulerrrrr"r.r;rHr(r<rVrXZ_generate_gen_typedef_declZ_loading_gen_typedefZ_loaded_gen_typedefrrZ_loading_gen_functionr�r}r�r�r�r�r�r�r�r�r�r�r�r�rer�Z_loading_gen_constantrur�r�r�r�r�r�r�r�Z_loading_gen_macror�r�Z_loading_gen_variabler�rrrrrsh



-$1"	�
%
	



rad
#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
#else
# include <stdint.h>
# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux)
#  include <alloca.h>
# endif
#endif
)
rrr=rrr�r�objectrr'rrrr�<module>sg