3
ãde8©  ã               @   s@   d dl Z d dlZddlmZ ddlmZ G dd„ deƒZdZdS )é    Né   )Úmodel)ÚVerificationErrorc               @   s  e Zd ZdZdZdd„ Zdd„ Zdd„ Zd	d
„ Zdndd„Z	dd„ Z
dd„ Zdd„ Zdodd„Zdd„ Zdd„ Zdd„ Zdd„ Zdd „ Zd!d"„ Zd#d$„ Zd%d&„ Zd'd(„ ZeZeZeZeZeZd)d*„ Zd+d,„ Zd-d.„ ZeZd/d0„ Z eZ!d1d2„ Z"d3d4„ Z#d5d6„ Z$d7d8„ Z%eZ&d9d:„ Z'd;d<„ Z(d=d>„ Z)d?d@„ Z*dAdB„ Z+dCdD„ Z,dEdF„ Z-dGdH„ Z.eZ/dIdJ„ Z0dKdL„ Z1dMdN„ Z2dOdP„ Z3dpdSdT„Z4dUdV„ Z5dWdX„ Z6eZ7eZ8eZ9dqdYdZ„Z:d[d\„ Z;drd^d_„Z<eZ=eZ>d`da„ Z?dbdc„ Z@ddde„ ZAeZBeZCeZDeZEdfdg„ ZFdhdi„ ZGeZHeZIdjdk„ ZJdldm„ ZKdS )sÚVCPythonEngineÚxTc             C   s   || _ |j| _i | _i | _d S )N)ÚverifierÚffiÚ_struct_pending_verificationÚ_types_of_builtin_functions)Úselfr   © r   úG/var/www/agendate/envp3/lib/python3.6/site-packages/cffi/vengine_cpy.pyÚ__init__   s    zVCPythonEngine.__init__c             C   s   d S )Nr   )r   Úkwdsr   r   r   Úpatch_extension_kwds   s    z#VCPythonEngine.patch_extension_kwdsc             C   sP   yt j||ƒ\}}}W n tk
r*   d S X |d k	r<|jƒ  |d |krLd S |S )Nr   )ÚimpÚfind_moduleÚImportErrorÚclose)r   Úmodule_nameÚpathZso_suffixesÚfÚfilenameÚdescrr   r   r   r      s    zVCPythonEngine.find_modulec             C   s   i | _ | jdƒ d S )NZcollecttype)Ú
_typesdictÚ	_generate)r   r   r   r   Úcollect_types$   s    zVCPythonEngine.collect_typesÚ c             C   s   | j j|d ƒ d S )NÚ
)Ú_fÚwrite)r   Úwhatr   r   r   Ú_prnt(   s    zVCPythonEngine._prntc             C   s
   | j | S )N)r   )r   Útyper   r   r   Ú_gettypenum+   s    zVCPythonEngine._gettypenumc             C   s:   t |tjƒ s|jdkr6|| jkr6t| jƒ}|| j|< d S )Nzlong double)Ú
isinstancer   ÚPrimitiveTypeÚnamer   Úlen)r   ÚtpÚnumr   r   r   Ú_do_collect_type/   s
    


zVCPythonEngine._do_collect_typec             C   sê  | j ƒ  ddg| _| j}|tƒ |ƒ  || jjƒ |ƒ  | jdƒ | jƒ  |ƒ  |dƒ | jdƒ |dƒ |dƒ |dƒ |ƒ  | jjƒ }| jd }|d	ƒ |ƒ  |d
ƒ |dƒ |d| ƒ |dƒ |dƒ |dƒ |dƒ |dƒ |ƒ  |dƒ |d| ƒ |dƒ |dƒ |dƒ |dƒ |dƒ |d|f ƒ |dƒ |dƒ |dƒ |dƒ |dƒ |ƒ  |dƒ |ƒ  |dƒ |d| ƒ |dƒ |dƒ |d| ƒ |dƒ |d ƒ |d!|f ƒ |d ƒ |d"ƒ |dƒ |ƒ  |d#ƒ d S )$Nz((void)lib,0)Údeclz&static PyMethodDef _cffi_methods[] = {Úmethodz3  {"_cffi_setup", _cffi_setup, METH_VARARGS, NULL},z)  {NULL, NULL, 0, NULL}    /* Sentinel */z};Fz#if PY_MAJOR_VERSION >= 3z.static struct PyModuleDef _cffi_module_def = {z  PyModuleDef_HEAD_INIT,z  "%s",z  NULL,z  -1,z  _cffi_methods,z  NULL, NULL, NULL, NULLZPyMODINIT_FUNCzPyInit_%s(void)Ú{z  PyObject *lib;z+  lib = PyModule_Create(&_cffi_module_def);z  if (lib == NULL)z    return NULL;z#  if (%s < 0 || _cffi_init() < 0) {z    Py_DECREF(lib);z  }z  return lib;Ú}z#elsezinit%s(void)z+  lib = Py_InitModule("%s", _cffi_methods);z    return;z!  if (%s < 0 || _cffi_init() < 0)z	  return;z#endif)	r   Ú_chained_list_constantsr"   Úcffimod_headerr   Úpreambler   Ú_generate_setup_customÚget_module_name)r   ÚprntÚmodnameÚ	constantsr   r   r   Úwrite_source_to_f6   st    




z VCPythonEngine.write_source_to_fNc                sv  t jƒ  z¤ttdƒrtjƒ }zvy6ttdƒr<|d k	r<tj|ƒ t jˆjjƒ ˆjj	ƒ‰W n: t
k
rŽ } zdˆjj	|f }t|ƒ‚W Y d d }~X nX W d ttdƒr¨tj|ƒ X W d t jƒ  X ˆjˆdƒ tdd„ ˆjjƒ D ƒƒ‰‡fdd„ttˆƒƒD ƒ}ttˆjj|ƒƒ}G ‡ ‡‡fdd	„d	tƒ‰ ˆ ƒ }ˆj|t|ƒ�rRd
d l}|jdˆjjƒ  ƒ ˆjˆd|d� ˆjˆ_ˆjˆ_|S )NÚgetdlopenflagsÚsetdlopenflagszimporting %r: %sZloadingc             S   s   g | ]\}}||f‘qS r   r   )Ú.0ÚkeyÚvaluer   r   r   ú
<listcomp>¬   s   z/VCPythonEngine.load_library.<locals>.<listcomp>c                s   g | ]}ˆ | ‘qS r   r   )r;   Úi)Ú
revmappingr   r   r>   ®   s    c                   s&   e Zd Z”Z”jZg Z‡ fdd„ZdS )z/VCPythonEngine.load_library.<locals>.FFILibraryc                s   ˆ j t| jƒ S )N)Ú	_cffi_dirÚlistÚ__dict__)r   )Ú
FFILibraryr   r   Ú__dir__º   s    z7VCPythonEngine.load_library.<locals>.FFILibrary.__dir__N)Ú__name__Ú
__module__Ú__qualname__Z_cffi_python_moduler   Z	_cffi_ffirA   rE   r   )rD   Úmoduler   r   r   rD   ¶   s   rD   r   z0reimporting %r might overwrite older definitionsZloaded)Úlibrary)r   Úacquire_lockÚhasattrÚsysr9   r:   Zload_dynamicr   r4   Zmodulefilenamer   r   Úrelease_lockÚ_loadÚdictr   ÚitemsÚranger(   rB   Úmapr   Ú_get_cached_btypeÚobjectZ_cffi_setupÚwarningsÚwarnZ_cffi_original_ffir
   Z_cffi_types_of_builtin_funcs)r   ÚflagsZprevious_flagsÚeÚerrorÚlstrJ   rV   r   )rD   rI   r@   r   r   Úload_library‘   s<    



zVCPythonEngine.load_libraryc             C   s$   dd„ | j jjjƒ D ƒ}|jƒ  |S )Nc             S   s   g | ]\}\}}||f‘qS r   r   )r;   r<   r)   Zqualr   r   r   r>   Ì   s    z4VCPythonEngine._get_declarations.<locals>.<listcomp>)r   Ú_parserZ_declarationsrQ   Úsort)r   r[   r   r   r   Ú_get_declarationsË   s    z VCPythonEngine._get_declarationsc             C   s¢   xœ| j ƒ D ]�\}}|jddƒ\}}yt| d||f ƒ}W n  tk
rX   td| ƒ‚Y nX y|||ƒ W q
 tk
r˜ } ztj||ƒ ‚ W Y d d }~X q
X q
W d S )Nú r   z_generate_cpy_%s_%sznot implemented in verify(): %r)r_   ÚsplitÚgetattrÚAttributeErrorr   Ú	Exceptionr   Úattach_exception_info)r   Ú	step_namer'   r)   ÚkindÚrealnamer-   rY   r   r   r   r   Ñ   s    zVCPythonEngine._generatec       
      K   s‚   x|| j ƒ D ]p\}}|jddƒ\}}t| d||f ƒ}y||||f|Ž W q
 tk
rx }	 ztj|	|ƒ ‚ W Y d d }	~	X q
X q
W d S )Nr`   r   z
_%s_cpy_%s)r_   ra   rb   rd   r   re   )
r   rI   rf   r   r'   r)   rg   rh   r-   rY   r   r   r   rO   à   s    zVCPythonEngine._loadc             C   s   d S )Nr   )r   r)   r'   r   r   r   Ú_generate_nothingê   s    z VCPythonEngine._generate_nothingc             K   s   d S )Nr   )r   r)   r'   rI   r   r   r   r   Ú_loaded_noopí   s    zVCPythonEngine._loaded_noopc             C   s*  d}t |tjƒrT|jƒ r2|jdkr2d}d|j }nd|jdƒ|jjddƒf }d}n”t |tjƒrt| j||||ƒ d S t |tj	tj
fƒr²| jd	|| j|ƒ|f ƒ | jd
| ƒ d S t |tjƒràd|jdƒ }d| j|ƒ }d}nt|ƒ‚| jd||||f ƒ | jd||jdƒ|f ƒ | jd
| ƒ d S )Nr   Ú_BoolZ_cffi_to_c_intz, %sz(%s)_cffi_to_c_%sr`   Ú_z-1z6  if (_cffi_to_c((char *)&%s, _cffi_type(%d), %s) < 0)z    %s;z(%s)_cffi_to_c_pointerz, _cffi_type(%d)ZNULLz  %s = %s(%s%s);z'  if (%s == (%s)%s && PyErr_Occurred()))r%   r   r&   Úis_integer_typer'   Ú
get_c_nameÚreplaceÚPointerTypeÚ"_convert_funcarg_to_c_ptr_or_arrayÚStructOrUnionÚEnumTyper"   r$   ÚFunctionPtrTypeÚNotImplementedError)r   r)   ÚfromvarÚtovarÚerrcodeZextraargÚ	converterZerrvaluer   r   r   Ú_convert_funcarg_to_cò   s4    
z$VCPythonEngine._convert_funcarg_to_cc             C   s.   t |tjƒr*|jdƒ |jdƒ |jdƒ d S )NzPy_ssize_t datasizez-struct _cffi_freeme_s *large_args_free = NULLzIif (large_args_free != NULL) _cffi_free_array_arguments(large_args_free);)r%   r   rp   Úadd)r   r)   Ú	localvarsÚ	freelinesr   r   r   Ú_extra_local_variables  s    

z%VCPythonEngine._extra_local_variablesc             C   s~   | j dƒ | j d| j|ƒ||f ƒ | j dƒ | j d|f ƒ | j d| j|ƒ||f ƒ | j dƒ | j d| ƒ | j dƒ d S )	Nz1  datasize = _cffi_prepare_pointer_call_argument(z(      _cffi_type(%d), %s, (char **)&%s);z  if (datasize != 0) {zE    %s = ((size_t)datasize) <= 640 ? alloca((size_t)datasize) : NULL;zF    if (_cffi_convert_array_argument(_cffi_type(%d), %s, (char **)&%s,z,            datasize, &large_args_free) < 0)z	      %s;z  })r"   r$   )r   r)   rv   rw   rx   r   r   r   rq     s    



z1VCPythonEngine._convert_funcarg_to_c_ptr_or_arrayc             C   s  t |tjƒr`|jƒ r,|jdkr,d||jf S |jdkrLd|jjddƒ|f S d|| j|ƒf S n®t |tjtjfƒr„d|| j|ƒf S t |tj	ƒrªd|| jtj|j
ƒƒf S t |tjƒræ|jd krÔtd	|jƒ |f ƒ‚d
|| j|ƒf S t |tjƒ�rd|| j|ƒf S t|ƒ‚d S )Nrk   z_cffi_from_c_int(%s, %s)zlong doublez_cffi_from_c_%s(%s)r`   rl   z/_cffi_from_c_deref((char *)&%s, _cffi_type(%d))z0_cffi_from_c_pointer((char *)%s, _cffi_type(%d))z!'%s' is used as %s, but is opaquez0_cffi_from_c_struct((char *)&%s, _cffi_type(%d)))r%   r   r&   rm   r'   ro   r$   rp   rt   Ú	ArrayTypeÚitemrr   ÚfldnamesÚ	TypeErrorÚ_get_c_namers   ru   )r   r)   ÚvarÚcontextr   r   r   Ú_convert_expr_from_c*  s.    

z#VCPythonEngine._convert_expr_from_cc             C   sL   t |tjƒst‚|jr"| j|ƒ n&x|jD ]}| j|ƒ q*W | j|jƒ d S )N)r%   r   rt   ÚAssertionErrorÚellipsisr+   ÚargsÚresult)r   r)   r'   r#   r   r   r   Ú"_generate_cpy_function_collecttypeQ  s    z1VCPythonEngine._generate_cpy_function_collecttypec          	   C   sÔ  t |tjƒst‚|jr(| jd||ƒ d S | j}t|jƒ}|dkrFd}n|dkrTd}nd}|dƒ |d||f ƒ |d	ƒ d
| }x.t	|jƒD ] \}}|d|j
d| |ƒ ƒ qŒW tƒ }	tƒ }
x|jD ]}| j||	|
ƒ qÄW xt|	ƒD ]}|d|f ƒ qäW t |jtjƒ�s6d}d| }|d|jj
d|ƒ ƒ |dƒ nd}t|jƒdk�r¨tt|jƒƒ}x|D ]}|d| ƒ �q^W |ƒ  |dd| |djdd„ |D ƒƒf ƒ |dƒ |ƒ  x6t	|jƒD ](\}}| j|d| d| dƒ |ƒ  �qºW |dƒ |dƒ |d||djdd„ tt|jƒƒD ƒƒf ƒ |d ƒ |d!ƒ |ƒ  |d"ƒ |dk�rR|d#ƒ |�r–|d$| j|jd%d&ƒ ƒ x|
D ]}|d'| ƒ �qvW |d(ƒ n,x|
D ]}|d'| ƒ �qœW |d)ƒ |d*ƒ |d+ƒ |ƒ  d S ),NFr   Znoargr   Zarg0r‰   zstatic PyObject *z(_cffi_f_%s(PyObject *self, PyObject *%s)r.   zargument of %sz  %s;z x%dz	result = zresult of %sz resultz  PyObject *pyresult;r   z  PyObject *arg%d;z+  if (!PyArg_ParseTuple(args, "%s:%s", %s))ÚOz, c             S   s   g | ]}d | ‘qS )z&arg%dr   )r;   r?   r   r   r   r>   ‰  s    z>VCPythonEngine._generate_cpy_function_decl.<locals>.<listcomp>z    return NULL;zarg%dzx%dzreturn NULLz  Py_BEGIN_ALLOW_THREADSz  _cffi_restore_errno();z  { %s%s(%s); }c             S   s   g | ]}d | ‘qS )zx%dr   )r;   r?   r   r   r   r>   –  s    z  _cffi_save_errno();z  Py_END_ALLOW_THREADSz  (void)self; /* unused */z  (void)noarg; /* unused */z  pyresult = %s;rŠ   zresult typez  z  return pyresult;z  Py_INCREF(Py_None);z  return Py_None;r/   )r%   r   rt   r‡   rˆ   Ú_generate_cpy_constr"   r(   r‰   Ú	enumeratern   Úsetr~   ÚsortedrŠ   ZVoidTyperR   Újoinrz   r†   )r   r)   r'   r5   ÚnumargsZargnamer…   r?   r#   r|   r}   r,   Zresult_codeÚrngZfreeliner   r   r   Ú_generate_cpy_function_decl\  s‚    


"$



z*VCPythonEngine._generate_cpy_function_declc             C   sL   |j r
d S t|jƒ}|dkr"d}n|dkr0d}nd}| jd|||f ƒ d S )Nr   ZMETH_NOARGSr   ZMETH_OZMETH_VARARGSz  {"%s", _cffi_f_%s, %s, NULL},)rˆ   r(   r‰   r"   )r   r)   r'   r’   Úmethr   r   r   Ú_generate_cpy_function_method¬  s    
z,VCPythonEngine._generate_cpy_function_methodc             C   s.   |j r
d S t||ƒ}t|||ƒ || j|< d S )N)rˆ   rb   Úsetattrr
   )r   r)   r'   rI   rJ   Úfuncr   r   r   Ú_loaded_cpy_functionº  s
    
z#VCPythonEngine._loaded_cpy_functionc             C   s    ||j kst‚| j|d|ƒ d S )NÚstruct)r'   r‡   Ú_generate_struct_or_union_decl)r   r)   r'   r   r   r   Ú_generate_cpy_struct_declÅ  s    z(VCPythonEngine._generate_cpy_struct_declc             C   s   | j |d|ƒ d S )Nrš   )Ú _generate_struct_or_union_method)r   r)   r'   r   r   r   Ú_generate_cpy_struct_methodÈ  s    z*VCPythonEngine._generate_cpy_struct_methodc             C   s   | j |d||ƒ d S )Nrš   )Ú_loading_struct_or_union)r   r)   r'   rI   r   r   r   Ú_loading_cpy_structÊ  s    z"VCPythonEngine._loading_cpy_structc             K   s   | j |ƒ d S )N)Ú_loaded_struct_or_union)r   r)   r'   rI   r   r   r   r   Ú_loaded_cpy_structÌ  s    z!VCPythonEngine._loaded_cpy_structc             C   s    ||j kst‚| j|d|ƒ d S )NÚunion)r'   r‡   r›   )r   r)   r'   r   r   r   Ú_generate_cpy_union_declÐ  s    z'VCPythonEngine._generate_cpy_union_declc             C   s   | j |d|ƒ d S )Nr£   )r�   )r   r)   r'   r   r   r   Ú_generate_cpy_union_methodÓ  s    z)VCPythonEngine._generate_cpy_union_methodc             C   s   | j |d||ƒ d S )Nr£   )rŸ   )r   r)   r'   rI   r   r   r   Ú_loading_cpy_unionÕ  s    z!VCPythonEngine._loading_cpy_unionc             K   s   | j |ƒ d S )N)r¡   )r   r)   r'   rI   r   r   r   r   Ú_loaded_cpy_union×  s    z VCPythonEngine._loaded_cpy_unionc             C   s  |j d krd S d||f }d||f }d||f jƒ }| j}|d||f ƒ |dƒ |dƒ |dƒ xš|jƒ D ]Ž\}}	}
}t|	tjƒrŽ|	jƒ s–|
dkr¤|d	| ƒ qny$|d
|	jdd| |d�|f ƒ W qn t	k
rú } z|dt
|ƒ ƒ W Y d d }~X qnX qnW |dƒ |dƒ |d|f ƒ |dƒ |d| ƒ |dƒ |d| ƒ |dƒ xt|jƒ D ]h\}}	}
}|
dk�rr�qX|d||f ƒ t|	tjƒ�r®|	jd k�r®|d|	jƒ  ƒ n|d||f ƒ �qXW |dƒ |dƒ |dƒ |dƒ |dƒ |dƒ |d|f ƒ |dƒ |ƒ  d S ) Nz_cffi_check_%s_%sz_cffi_layout_%s_%sz%s %szstatic void %s(%s *p)r.   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)Zqualsz
  /* %s */r/   zstatic PyObject *z#%s(PyObject *self, PyObject *noarg)z,  struct _cffi_aligncheck { char x; %s y; };z  static Py_ssize_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  (void)self; /* unused */z  (void)noarg; /* unused */z'  return _cffi_get_struct_layout(nums);z3  /* the next line is not executed, but compiled */z  %s(0);)r�   Ústripr"   Ú
enumfieldsr%   r   r&   rm   rn   r   Ústrr   Úlengthrƒ   )r   r)   Úprefixr'   ZcheckfuncnameÚlayoutfuncnameÚcnamer5   ÚfnameÚftypeÚfbitsizeÚfqualrY   r   r   r   r›   Ú  sX    
&
z-VCPythonEngine._generate_struct_or_union_declc             C   s0   |j d krd S d||f }| jd||f ƒ d S )Nz_cffi_layout_%s_%sz   {"%s", %s, METH_NOARGS, NULL},)r�   r"   )r   r)   r¬   r'   r­   r   r   r   r�     s
    
z/VCPythonEngine._generate_struct_or_union_methodc             C   sÌ   |j d krd S d||f }t||ƒ}|ƒ }t|tjƒrª|jrª|d }|d }	|dd d… }
|dd d… }|jƒ  t|
ƒt|ƒ  ko�t|j ƒkn  sšt‚|
|||	f|_	nd||f j
ƒ }||f| j|< d S )Nz_cffi_layout_%s_%sr   r   é   é   z%s %s)r�   rb   r%   r   rr   ÚpartialZforce_flattenr(   r‡   Zfixedlayoutr¨   r	   )r   r)   r¬   r'   rI   r­   ÚfunctionÚlayoutZ	totalsizeZtotalalignmentZfieldofsZ	fieldsizer®   r   r   r   rŸ     s    

*z'VCPythonEngine._loading_struct_or_unionc             C   s  |j d krd S | jj|ƒ || jk�rdd„ }| j}|j|ƒ}| jj|ƒ\}}||d |j|ƒdƒ ||d |j|ƒdƒ d}x‚|jƒ D ]v\}}	}
}|
dkržqˆ||| |j||ƒd|f ƒ ||d  dkrö|j|	ƒ}|||d  |j|ƒd	|f ƒ |d7 }qˆW |t	|ƒk�st
‚d S )
Nc             S   s   | |krt d||| f ƒ‚d S )Nz'%s (we have %d, but C compiler says %d))r   )Z	realvalueZexpectedvalueÚmsgr   r   r   Úcheck0  s    z5VCPythonEngine._loaded_struct_or_union.<locals>.checkr   zwrong total sizer   zwrong total alignmentr³   zwrong offset for field %rzwrong size for field %r)r�   r   rT   r	   ÚpopÚsizeofZalignofr©   Zoffsetofr(   r‡   )r   r)   r¹   r   ZBStructr·   r®   r?   r¯   r°   r±   r²   ZBFieldr   r   r   r¡   )  s,    


z&VCPythonEngine._loaded_struct_or_unionc             C   s.   t |tjƒr| j||dƒ n| j|d|ƒ d S )Nr   )r%   r   rs   Ú_generate_cpy_enum_declr›   )r   r)   r'   r   r   r   Ú_generate_cpy_anonymous_declM  s    z+VCPythonEngine._generate_cpy_anonymous_declc             C   s   t |tjƒs| j|d|ƒ d S )Nr   )r%   r   rs   r�   )r   r)   r'   r   r   r   Ú_generate_cpy_anonymous_methodS  s    z-VCPythonEngine._generate_cpy_anonymous_methodc             C   s0   t |tjƒr| j|||ƒ n| j|d||ƒ d S )Nr   )r%   r   rs   Ú_loading_cpy_enumrŸ   )r   r)   r'   rI   r   r   r   Ú_loading_cpy_anonymousW  s    z%VCPythonEngine._loading_cpy_anonymousc             K   s.   t |tjƒr | j|||f|Ž n
| j|ƒ d S )N)r%   r   rs   Ú_loaded_cpy_enumr¡   )r   r)   r'   rI   r   r   r   r   Ú_loaded_cpy_anonymous]  s    z$VCPythonEngine._loaded_cpy_anonymousÚconstFc	             C   st  | j }	d||f }
|	d|
 ƒ |	dƒ |	dƒ |	dƒ |sT|	d|pD|jd|ƒ ƒ n|dks`t‚|d k	rt| j||ƒ |s¾|d	krŠd
| }n|}|	d|f ƒ |	d| j|ddƒf ƒ |sÊt‚n|	d| ƒ |	dƒ |	dƒ |�r|	dƒ |	dƒ |	d|f ƒ |	dƒ |	dƒ |	dƒ |	dƒ |	d| ƒ |	dƒ |	dƒ |	dƒ |	d| j|  ƒ |
d | j|< |	dƒ |	ƒ  d S )Nz_cffi_%s_%szstatic int %s(PyObject *lib)r.   z  PyObject *o;z
  int res;z  %s;z irÃ   r„   ú&z  i = (%s);z	  o = %s;r?   zvariable typez!  o = _cffi_from_c_int_const(%s);z  if (o == NULL)z    return -1;z  {z    PyObject *o1 = o;z8    o = Py_BuildValue("On", o1, (Py_ssize_t)sizeof(%s));z    Py_DECREF(o1);z    if (o == NULL)z      return -1;z  }z-  res = PyObject_SetAttrString(lib, "%s", o);z  Py_DECREF(o);z  if (res < 0)z  return %s;z(lib)r/   )r"   rn   r‡   Ú_check_int_constant_valuer†   r0   )r   Úis_intr'   r)   ÚcategoryÚvartpÚdelayedÚsize_tooÚcheck_valuer5   ÚfuncnameZrealexprr   r   r   r�   f  sN    


z"VCPythonEngine._generate_cpy_constc             C   s&   t |tjƒo|jƒ }|s"| j|ƒ d S )N)r%   r   r&   rm   r+   )r   r)   r'   rÆ   r   r   r   Ú"_generate_cpy_constant_collecttype–  s    z1VCPythonEngine._generate_cpy_constant_collecttypec             C   s&   t |tjƒo|jƒ }| j|||ƒ d S )N)r%   r   r&   rm   r�   )r   r)   r'   rÆ   r   r   r   Ú_generate_cpy_constant_decl›  s    z*VCPythonEngine._generate_cpy_constant_declc             C   sž   | j }|dkr"|d|||f ƒ n|d|||f ƒ |dƒ |d| ƒ |d| ƒ |dƒ |d| ƒ |d	ƒ |d
ƒ |d|||f ƒ |dƒ |dƒ 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.        snprintf(buf, 63, "%%ld", (long)(%s));z    elsez7        snprintf(buf, 63, "%%lu", (unsigned long)(%s));z)    PyErr_Format(_cffi_VerificationError,z6                 "%s%s has the real value %s, not %s",z(                 "%s", "%s", buf, "%d");z    return -1;z  })r"   )r   r'   r=   Z
err_prefixr5   r   r   r   rÅ   ¦  s$    z(VCPythonEngine._check_int_constant_valuec             C   s   |j ddƒ}d||f S )Nú$Z___D_z_cffi_e_%s_%s)ro   )r   r¬   r'   r   r   r   Ú_enum_funcname»  s    zVCPythonEngine._enum_funcnameÚenumc             C   s°   |j r*x|jD ]}| jd|dd� qW d S | j||ƒ}| j}|d| ƒ |dƒ x,t|j|jƒD ]\}}| j||d| ƒ q`W |d| jd  ƒ |d | jd< |d	ƒ |ƒ  d S )
NTF)rÉ   zstatic int %s(PyObject *lib)r.   z	enum %s: z  return %s;z(lib)r/   )	rµ   Úenumeratorsr�   rÐ   r"   ÚzipÚ
enumvaluesrÅ   r0   )r   r)   r'   r¬   Ú
enumeratorrÌ   r5   Ú	enumvaluer   r   r   r¼   À  s    z&VCPythonEngine._generate_cpy_enum_declc                s.   |j r*‡ fdd„|jD ƒ}t|ƒ|_d|_d S )Nc                s   g | ]}t ˆ |ƒ‘qS r   )rb   )r;   rÕ   )rI   r   r   r>   ×  s   z4VCPythonEngine._loading_cpy_enum.<locals>.<listcomp>T)rµ   rÒ   ÚtuplerÔ   Zpartial_resolved)r   r)   r'   rI   rÔ   r   )rI   r   r¿   Õ  s
    


z VCPythonEngine._loading_cpy_enumc             C   s,   x&t |j|jƒD ]\}}t|||ƒ qW d S )N)rÓ   rÒ   rÔ   r—   )r   r)   r'   rI   rJ   rÕ   rÖ   r   r   r   rÁ   Ü  s    zVCPythonEngine._loaded_cpy_enumc             C   s&   |dkrd }n|}| j d||d� d S )Nz...T)rË   )r�   )r   r)   r'   rË   r   r   r   Ú_generate_cpy_macro_declã  s    z'VCPythonEngine._generate_cpy_macro_declc             C   s2   t |tjƒrtj|jƒ}n
tj|ƒ}| j|ƒ d S )N)r%   r   r   rp   r€   r+   )r   r)   r'   Útp_ptrr   r   r   Ú"_generate_cpy_variable_collecttypeò  s    
z1VCPythonEngine._generate_cpy_variable_collecttypec             C   sR   t |tjƒr2tj|jƒ}| jd||||jƒ d� ntj|ƒ}| jd||dd� d S )NF)rÈ   rÊ   r„   )rÇ   )r%   r   r   rp   r€   r�   Úlength_is_unknown)r   r)   r'   rÙ   r   r   r   Ú_generate_cpy_variable_declù  s    
z*VCPythonEngine._generate_cpy_variable_declc                s   t ||ƒ}t|tjƒr°|jƒ r|t|tƒs,t‚|\}}| jj|j	ƒ}t
|| jj|ƒƒ\}}	|	dkrrtd||j	f ƒ‚|j|ƒ}|jd k	r¬| jj|ƒ}
| jj|
|ƒ}t|||ƒ d S |‰ t||ƒ ‡ fdd„}‡ fdd„}tt|ƒ|t||ƒƒ t|ƒjj|ƒ d S )Nr   z/bad size: %r does not seem to be an array of %sc                s   ˆ d S )Nr   r   )rJ   )Úptrr   r   Úgetter  s    z3VCPythonEngine._loaded_cpy_variable.<locals>.getterc                s   |ˆ d< d S )Nr   r   )rJ   r=   )rÝ   r   r   Úsetter   s    z3VCPythonEngine._loaded_cpy_variable.<locals>.setter)rb   r%   r   r   rÛ   r×   r‡   r   rT   r€   Údivmodr»   r   Zresolve_lengthr«   Úcastr—   Údelattrr#   ÚpropertyrA   Úappend)r   r)   r'   rI   rJ   r=   ÚsizeZ	BItemTyper«   ÚrestZBArrayrÞ   rß   r   )rÝ   r   Ú_loaded_cpy_variable  s.    



z#VCPythonEngine._loaded_cpy_variablec             C   s4   | j }|dƒ |dƒ |d| jd  ƒ |dƒ d S )Nz,static int _cffi_setup_custom(PyObject *lib)r.   z  return %s;Tr/   )r"   r0   )r   r5   r   r   r   r3   '  s
    z%VCPythonEngine._generate_setup_custom)r   )N)NrÃ   NTFN)r   )rÑ   )LrF   rG   rH   Z
_class_keyZ_gen_python_moduler   r   r   r   r"   r$   r+   r8   r\   r_   r   rO   ri   rj   rz   r~   rq   r†   Z!_generate_cpy_typedef_collecttypeZ_generate_cpy_typedef_declZ_generate_cpy_typedef_methodZ_loading_cpy_typedefZ_loaded_cpy_typedefr‹   r”   r–   Z_loading_cpy_functionr™   Z _generate_cpy_struct_collecttyperœ   rž   r    r¢   Z_generate_cpy_union_collecttyper¤   r¥   r¦   r§   r›   r�   rŸ   r¡   Z#_generate_cpy_anonymous_collecttyper½   r¾   rÀ   rÂ   r�   rÍ   rÎ   Z_generate_cpy_constant_methodZ_loading_cpy_constantZ_loaded_cpy_constantrÅ   rÐ   r¼   Z_generate_cpy_enum_collecttypeZ_generate_cpy_enum_methodr¿   rÁ   rØ   Z_generate_cpy_macro_collecttypeZ_generate_cpy_macro_methodZ_loading_cpy_macroZ_loaded_cpy_macrorÚ   rÜ   Z_generate_cpy_variable_methodZ_loading_cpy_variablerç   r3   r   r   r   r   r   	   s–   
[
:
$P
3"	  
.

	"r   aí(  
#include <Python.h>
#include <stddef.h>

/* 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

#if PY_MAJOR_VERSION < 3
# undef PyCapsule_CheckExact
# undef PyCapsule_GetPointer
# define PyCapsule_CheckExact(capsule) (PyCObject_Check(capsule))
# define PyCapsule_GetPointer(capsule, name) \
    (PyCObject_AsVoidPtr(capsule))
#endif

#if PY_MAJOR_VERSION >= 3
# define PyInt_FromLong PyLong_FromLong
#endif

#define _cffi_from_c_double PyFloat_FromDouble
#define _cffi_from_c_float PyFloat_FromDouble
#define _cffi_from_c_long PyInt_FromLong
#define _cffi_from_c_ulong PyLong_FromUnsignedLong
#define _cffi_from_c_longlong PyLong_FromLongLong
#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong
#define _cffi_from_c__Bool PyBool_FromLong

#define _cffi_to_c_double PyFloat_AsDouble
#define _cffi_to_c_float PyFloat_AsDouble

#define _cffi_from_c_int_const(x)                                        \
    (((x) > 0) ?                                                         \
        ((unsigned long long)(x) <= (unsigned long long)LONG_MAX) ?      \
            PyInt_FromLong((long)(x)) :                                  \
            PyLong_FromUnsignedLongLong((unsigned long long)(x)) :       \
        ((long long)(x) >= (long long)LONG_MIN) ?                        \
            PyInt_FromLong((long)(x)) :                                  \
            PyLong_FromLongLong((long long)(x)))

#define _cffi_from_c_int(x, type)                                        \
    (((type)-1) > 0 ? /* unsigned */                                     \
        (sizeof(type) < sizeof(long) ?                                   \
            PyInt_FromLong((long)x) :                                    \
         sizeof(type) == sizeof(long) ?                                  \
            PyLong_FromUnsignedLong((unsigned long)x) :                  \
            PyLong_FromUnsignedLongLong((unsigned long long)x)) :        \
        (sizeof(type) <= sizeof(long) ?                                  \
            PyInt_FromLong((long)x) :                                    \
            PyLong_FromLongLong((long long)x)))

#define _cffi_to_c_int(o, type)                                          \
    ((type)(                                                             \
     sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o)        \
                                         : (type)_cffi_to_c_i8(o)) :     \
     sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o)       \
                                         : (type)_cffi_to_c_i16(o)) :    \
     sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o)       \
                                         : (type)_cffi_to_c_i32(o)) :    \
     sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o)       \
                                         : (type)_cffi_to_c_i64(o)) :    \
     (Py_FatalError("unsupported size for type " #type), (type)0)))

#define _cffi_to_c_i8                                                    \
                 ((int(*)(PyObject *))_cffi_exports[1])
#define _cffi_to_c_u8                                                    \
                 ((int(*)(PyObject *))_cffi_exports[2])
#define _cffi_to_c_i16                                                   \
                 ((int(*)(PyObject *))_cffi_exports[3])
#define _cffi_to_c_u16                                                   \
                 ((int(*)(PyObject *))_cffi_exports[4])
#define _cffi_to_c_i32                                                   \
                 ((int(*)(PyObject *))_cffi_exports[5])
#define _cffi_to_c_u32                                                   \
                 ((unsigned int(*)(PyObject *))_cffi_exports[6])
#define _cffi_to_c_i64                                                   \
                 ((long long(*)(PyObject *))_cffi_exports[7])
#define _cffi_to_c_u64                                                   \
                 ((unsigned long long(*)(PyObject *))_cffi_exports[8])
#define _cffi_to_c_char                                                  \
                 ((int(*)(PyObject *))_cffi_exports[9])
#define _cffi_from_c_pointer                                             \
    ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[10])
#define _cffi_to_c_pointer                                               \
    ((char *(*)(PyObject *, CTypeDescrObject *))_cffi_exports[11])
#define _cffi_get_struct_layout                                          \
    ((PyObject *(*)(Py_ssize_t[]))_cffi_exports[12])
#define _cffi_restore_errno                                              \
    ((void(*)(void))_cffi_exports[13])
#define _cffi_save_errno                                                 \
    ((void(*)(void))_cffi_exports[14])
#define _cffi_from_c_char                                                \
    ((PyObject *(*)(char))_cffi_exports[15])
#define _cffi_from_c_deref                                               \
    ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[16])
#define _cffi_to_c                                                       \
    ((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[17])
#define _cffi_from_c_struct                                              \
    ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[18])
#define _cffi_to_c_wchar_t                                               \
    ((wchar_t(*)(PyObject *))_cffi_exports[19])
#define _cffi_from_c_wchar_t                                             \
    ((PyObject *(*)(wchar_t))_cffi_exports[20])
#define _cffi_to_c_long_double                                           \
    ((long double(*)(PyObject *))_cffi_exports[21])
#define _cffi_to_c__Bool                                                 \
    ((_Bool(*)(PyObject *))_cffi_exports[22])
#define _cffi_prepare_pointer_call_argument                              \
    ((Py_ssize_t(*)(CTypeDescrObject *, PyObject *, char **))_cffi_exports[23])
#define _cffi_convert_array_from_object                                  \
    ((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[24])
#define _CFFI_NUM_EXPORTS 25

typedef struct _ctypedescr CTypeDescrObject;

static void *_cffi_exports[_CFFI_NUM_EXPORTS];
static PyObject *_cffi_types, *_cffi_VerificationError;

static int _cffi_setup_custom(PyObject *lib);   /* forward */

static PyObject *_cffi_setup(PyObject *self, PyObject *args)
{
    PyObject *library;
    int was_alive = (_cffi_types != NULL);
    (void)self; /* unused */
    if (!PyArg_ParseTuple(args, "OOO", &_cffi_types, &_cffi_VerificationError,
                                       &library))
        return NULL;
    Py_INCREF(_cffi_types);
    Py_INCREF(_cffi_VerificationError);
    if (_cffi_setup_custom(library) < 0)
        return NULL;
    return PyBool_FromLong(was_alive);
}

union _cffi_union_alignment_u {
    unsigned char m_char;
    unsigned short m_short;
    unsigned int m_int;
    unsigned long m_long;
    unsigned long long m_longlong;
    float m_float;
    double m_double;
    long double m_longdouble;
};

struct _cffi_freeme_s {
    struct _cffi_freeme_s *next;
    union _cffi_union_alignment_u alignment;
};

#ifdef __GNUC__
  __attribute__((unused))
#endif
static int _cffi_convert_array_argument(CTypeDescrObject *ctptr, PyObject *arg,
                                        char **output_data, Py_ssize_t datasize,
                                        struct _cffi_freeme_s **freeme)
{
    char *p;
    if (datasize < 0)
        return -1;

    p = *output_data;
    if (p == NULL) {
        struct _cffi_freeme_s *fp = (struct _cffi_freeme_s *)PyObject_Malloc(
            offsetof(struct _cffi_freeme_s, alignment) + (size_t)datasize);
        if (fp == NULL)
            return -1;
        fp->next = *freeme;
        *freeme = fp;
        p = *output_data = (char *)&fp->alignment;
    }
    memset((void *)p, 0, (size_t)datasize);
    return _cffi_convert_array_from_object(p, ctptr, arg);
}

#ifdef __GNUC__
  __attribute__((unused))
#endif
static void _cffi_free_array_arguments(struct _cffi_freeme_s *freeme)
{
    do {
        void *p = (void *)freeme;
        freeme = freeme->next;
        PyObject_Free(p);
    } while (freeme != NULL);
}

static int _cffi_init(void)
{
    PyObject *module, *c_api_object = NULL;

    module = PyImport_ImportModule("_cffi_backend");
    if (module == NULL)
        goto failure;

    c_api_object = PyObject_GetAttrString(module, "_C_API");
    if (c_api_object == NULL)
        goto failure;
    if (!PyCapsule_CheckExact(c_api_object)) {
        PyErr_SetNone(PyExc_ImportError);
        goto failure;
    }
    memcpy(_cffi_exports, PyCapsule_GetPointer(c_api_object, "cffi"),
           _CFFI_NUM_EXPORTS * sizeof(void *));

    Py_DECREF(module);
    Py_DECREF(c_api_object);
    return 0;

  failure:
    Py_XDECREF(module);
    Py_XDECREF(c_api_object);
    return -1;
}

#define _cffi_type(num) ((CTypeDescrObject *)PyList_GET_ITEM(_cffi_types, num))

/**********/
)	rM   r   r   r   rZ   r   rU   r   r1   r   r   r   r   Ú<module>   s           3