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recompiler.cpython-39.pyc
a <� `8� � @ s0 d dl Z d dlZd dlZddlmZmZ ddlmZ ddlT dZ dZ dZ ej d kpdej d k pdej d kZG d d � d �ZG dd� d�ZG dd� d�ZG dd� d�ZG dd� d�ZG dd� d�Zej dkr�ejZnG dd� dej�Zdd � Zd1d d �Zd2d d!�Zd"d#� Zd$d%� Z d&d'� Z d(d)� Z d*d+� Z d3d/d0�Z dS )4� N� )� ffiplatform�model)�VerificationError)�*i& i' i( �win32)� r )r � c @ s& e Zd Zd dd�Zdd� Zdd� ZdS ) � GlobalExprr c C s" || _ || _|| _|| _|| _d S �N)�name�address�type_op�size� check_value)�selfr r r r r � r �5/usr/lib64/python3.9/site-packages/cffi/recompiler.py�__init__ s zGlobalExpr.__init__c C s d| j | j| j�� | jf S )Nz' { "%s", (void *)%s, %s, (void *)%s },)r r r � as_c_exprr �r r r r r s �zGlobalExpr.as_c_exprc C s d| j �� | j| jf S )Nz b'%s%s',%d)r �as_python_bytesr r r r r r �as_python_expr s �zGlobalExpr.as_python_exprN)r r ��__name__� __module__� __qualname__r r r r r r r r s r c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) � FieldExprc C s" || _ || _|| _|| _|| _d S r )r � field_offset� field_size�fbitsize� field_type_op)r r r r r r! r r r r s zFieldExpr.__init__c C s> dt | j� }d| j| jf d|| jf d|| j�� f S )N� z { "%s", %s, z %s %s, z %s %s },)�lenr r r r! r )r �spacesr r r r & s ��zFieldExpr.as_c_exprc C s t �d S r )�NotImplementedErrorr r r r r , s zFieldExpr.as_python_exprc C sD | j jtkrd}n | j jtkr*t| j�}nt�d| j �� || jf S )N� z b'%s%s%s') r! �op�OP_NOOP� OP_BITFIELD�format_four_bytesr r% r r )r Z size_exprr r r �as_field_python_expr/ s �z FieldExpr.as_field_python_exprN)r r r r r r r+ r r r r r s r c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�StructUnionExprc C s4 || _ || _|| _|| _|| _|| _|| _|| _d S r )r � type_index�flagsr � alignment�comment�first_field_index�c_fields) r r r- r. r r/ r0 r1 r2 r r r r ; s zStructUnionExpr.__init__c C sP d| j | j| jf d| j| jf d| jt| j�f | jrFd| j nd d S )Nz { "%s", %d, %s,z %s, %s, z%d, %d z /* %s */ r& z},) r r- r. r r/ r1 r# r2 r0 r r r r r F s ����zStructUnionExpr.as_c_exprc C s> t | jt�}dd� | jD �}dt| j�t|�| jd�|�f S )Nc S s g | ] }|� � �qS r )r+ )�.0Zc_fieldr r r � <listcomp>O s �z2StructUnionExpr.as_python_expr.<locals>.<listcomp>z(b'%s%s%s',%s)�,)�evalr. 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Z fields_exprr r r r M s ��z StructUnionExpr.as_python_exprNr r r r r r, : s r, c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�EnumExprc C s" || _ || _|| _|| _|| _d S r �r r- r �signed�allenums)r r r- r r: r; r r r r X s zEnumExpr.__init__c C s d| j | j| j| j| jf S )Nz1 { "%s", %d, _cffi_prim_int(%s, %s), "%s" },r9 r r r r r _ s ��zEnumExpr.as_c_exprc C s@ t tttttttd�| j| j f }dt | j �t |�| j | j f S )N))r r )r r )� r )r< r )� r )r= r )� r )r> r zb'%s%s%s\x00%s')Z PRIM_UINT8Z PRIM_INT8Z PRIM_UINT16Z PRIM_INT16Z PRIM_UINT32Z PRIM_INT32Z PRIM_UINT64Z PRIM_INT64r r: r* r- r r; )r � prim_indexr r r r d s � � �zEnumExpr.as_python_exprNr r r r r r8 W s r8 c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )� TypenameExprc C s || _ || _d S r �r r- )r r r- r r r r p s zTypenameExpr.__init__c C s d| j | jf S )Nz { "%s", %d },rA r r r r r t s zTypenameExpr.as_c_exprc C s dt | j�| jf S )Nzb'%s%s')r* r- r r r r r r w s zTypenameExpr.as_python_exprNr r r r r r@ o s r@ c @ s� e Zd ZdZd�dd�Zdd� Zdd� Zd d � Zd d � Zd d� Z g d�Z dd� Z d�dd�Z dd� Z dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd3d4� Z d5d6� Z d7d8� Z d9d:� Z d;d<� Z d=d>� Z!d�d@dA�Z"dBdC� Z#dDdE� Z$dFdG� Z%e%Z&dHdI� Z'dJdK� Z(e(Z)dLdM� Z*e*Z+dNdO� Z,dPdQ� Z-dRdS� Z.d�dUdV�Z/dWdX� Z0dYdZ� Z1d[d\� Z2d]d^� Z3d�d_d`�Z4dadb� Z5dcdd� Z6dedf� Z7dgdh� Z8didj� Z9dkdl� Z:dmdn� Z;dodp� Z<dqdr� Z=dsdt� Z>e> Z?Z@dudv� ZAdwdx� ZBdydz� ZCd{d|� ZDd}d~� ZEeE ZFZGdd�� ZHd�d�� ZId�d�� ZJd�d�� ZKd�d�� ZLd�d�� ZMd�d�� ZNeNZOeNZPd�d�� ZQd�d�� ZRd�d�� ZSeSZTd�d�� ZUd?S )�� Recompilerr Fc C s || _ || _|| _t| _d S r )�ffi� module_name�target_is_python� VERSION_BASE�_version)r rC rD rE r r r r � s zRecompiler.__init__c C s t | j|�| _d S r )�maxrG )r Zverr r r � needs_version� s zRecompiler.needs_versionc C s. i | _ | �d� t| j td�}g | _|D ]�}|jr(| j | d u sDJ �t| j�| j |< | j�|� |jD ]P}t |t j t j t j t jt jf�s�J �| j | d u r�t| j�| j |< | j�|� qf| j�d� q(|D ]P}|js�| j | d u r�t| j�| j |< | j�|� |jr�|jd ur�| j�d� q�d | j �� v�s0J �i | _i | _|D ]8}t |t j��r^d | j|< nt |t j��r@d | j|< �q@tt| jdd� d��D ]\}}|| j|< �q�tt| jdd� d��D ]\}}|| j|< �q�|D ](}t| d|jj �}||| j | � �q�| jD ]}t |t��sJ ��qt | j�| _d S ) NZ collecttype��keyZEND�LENc S s | j S r �r ��tpr r r �<lambda>� � z/Recompiler.collect_type_table.<locals>.<lambda>c S s | j S r rM rN r r r rP � rQ Z_emit_bytecode_) � _typesdict� _generate�sorted�str� cffi_typesZis_raw_functionr# �append�args� isinstancer �VoidType�BasePrimitiveType� PointerType�StructOrUnionOrEnum�FunctionPtrTypeZ is_array_type�length�values�_struct_unions�_enums� StructOrUnion�EnumType� enumerate�getattr� __class__r �CffiOp�tuple)r Z all_declsrO �tp1�i�methodr' r r r �collect_type_table� s` � �� z Recompiler.collect_type_tablec C s | j }|�|�S r )rE � enumfields)r rO Z expand_anonymous_struct_unionr r r � _enum_fields� s zRecompiler._enum_fieldsc C s� t |tj�s.t |t�r*|D ]}| �|� qd S || jvr�d | j|< t |tj�r^| �|�� � nnt |tj�r�|j d ur�|| j j j vr�| � |�D ] \}}}}| �| �|||�� q�n |�� D ]\}}| �|� q�d 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ALL_STEPS�set�_seen_struct_unionsrS �_add_missing_struct_unions�sortri ra rx r# r rb )r r} r~ rO rk r r r �collect_step_tables� s* z Recompiler.collect_step_tablesr& c C s | j �|d � d S )N� )�_f�write)r Zwhatr r r �_prnt s zRecompiler._prntc C s: | j r |d u sJ �| �|� n|d us*J �| �||� d S r )rE �write_py_source_to_f�write_c_source_to_f)r �f�preambler r r �write_source_to_f s z Recompiler.write_source_to_fc C s0 t tj�tj�t�|�d�}|�� }|�� |S )N�r)�open�os�pathr7 �dirname�__file__� readlines�close)r �filename�g�linesr r r �_rel_readlines! s zRecompiler._rel_readlinesc C sl || _ | j}| jjd ur |d� ts,|d� | �d�}|�d�}| �d�|||d �< |d�|�� | j� d�d }| jjd u�r<|d | jf � |d � | � | jj� |d � |d � |d|f � |d� |d|f � |d� |d|f � |d� | �d�}|�d�}| �d�|||d �< |d�|�� | � t � |d� |� ||� |� |d� |� |d� t dd� | j�� D ��}t| j�D ]>\}}d} ||v �r�d|| �� } |d ||�� | f � �q�| j�s�|d � |d � |� t� | _| �d � i } | jD ]`} | j| } t| �| | < | | d k�r |d!| | f � | D ]} || �� � �qF|d � |� �q | jj�r|d"� | jjD ]d}z|jd d#� \}}W n& t �y� t d$| j|f ��Y n0 |d u �r�t d%��|d&|f � �q�|d'� |d � |� |d(� |d)� | jD ].} | | d k�r8|d*| � n |d+| � �q| jD ]$} | d,k�rN|d-| | | f � �qN| jj�r�|d.� n|d/� |d0t| j�f � d }| j �r�|dO }|d1| � |d � |� |d2� |d3� |d� |� |d � |d4� |d5|f � |d6� | j �r6|d7� |d8� |d9� |d:| j � |d;� |d<� |d=� |d� |d>� |d?� |d@� |dA� |dB|f � |dC� |dD|f � |dE� |dE� |d� |d4� |dF|f � |d6� |dG| j| j f � |d>� |d� |d4� |dH|f � |d6� |dI| j| j f � |d>� |d� |� |d2� |dJ� |d� d | _ d S )KNz#define _CFFI_USE_EMBEDDINGz #define _CFFI_NO_LIMITED_APIz_cffi_include.hz#include "parse_c_type.h" zparse_c_type.hr r& �.���z #define _CFFI_MODULE_NAME "%s"z1static const char _CFFI_PYTHON_STARTUP_CODE[] = {z0 };z#ifdef PYPY_VERSIONz5# define _CFFI_PYTHON_STARTUP_FUNC _cffi_pypyinit_%sz#elif PY_MAJOR_VERSION >= 3z-# define _CFFI_PYTHON_STARTUP_FUNC PyInit_%s�#elsez*# define _CFFI_PYTHON_STARTUP_FUNC init%s�#endifz _embedding.hz#include "_cffi_errors.h" z_cffi_errors.hz>/************************************************************/z static void *_cffi_types[] = {c S s g | ]\}}||f�qS r r �r3 rO rk r r r r4 W rQ z2Recompiler.write_c_source_to_f.<locals>.<listcomp>z // z/* %2d */ %s,%sz 0z};�declr z.static const struct _cffi_%s_s _cffi_%ss[] = {z.static const char * const _cffi_includes[] = {r< �Qffi object %r includes %r, but the latter has not been prepared with set_source()zMnot implemented yet: ffi.include() of a Python-based ffi inside a C-based ffiz "%s",z NULLz?static const struct _cffi_type_context_s _cffi_type_context = {z _cffi_types,z _cffi_%ss,z NULL, /* no %ss */r� z %d, /* num_%ss */z _cffi_includes,z NULL, /* no includes */z %d, /* num_types */z %d, /* flags */z#ifdef __GNUC__z?# pragma GCC visibility push(default) /* for -fvisibility= */ZPyMODINIT_FUNCz"_cffi_pypyinit_%s(const void *p[])�{z% if (((intptr_t)p[0]) >= 0x0A03) {zQ _cffi_call_python_org = (void(*)(struct _cffi_externpy_s *, char *))p[1];z }z p[0] = (const void *)0x%x;z p[1] = &_cffi_type_context;z#if PY_MAJOR_VERSION >= 3� return NULL;�}z# 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d� \}}W n$ ty~ td| j|f ��Y n0 |d ur�td��|d||f � q4|� |d| j f � |d | j f � d | _ t | j �| _ d d � | j D �}|d | � d �|��f � tdd � | j�� D ��} | jD ]>} | j| } t| �dk�r"| dk�r"|d| | � | �f � �q"|dk�r�|dd�dd � t|�D ��f � |d� d S )Nz# auto-generated filezimport _cffi_backendr r< r� zMnot implemented yet: ffi.include() of a C-based ffi inside a Python-based ffiz from %s import ffi as _ffi%dz ffi = _cffi_backend.FFI('%s',z _version = 0x%x,c S s g | ] }|� � �qS r )r )r3 r' r r r r4 � rQ z3Recompiler.write_py_source_to_f.<locals>.<listcomp>z _types = %s,r& c S s g | ]\}}||f�qS r r r� r r r r4 rQ r r� z _%ss = %s,z _includes = (%s,),�, c S s g | ] }d | �qS )z_ffi%dr �r3 rk r r r r4 rQ �))r� r� r# rC r� �ranger� rz r rD rG ri rV r� r7 r� rR rx r� r� ) r r� r� Z num_includesrk r� r� r� Z types_lstr� r} r~ r r r r� � sN � ��� � �z Recompiler.write_py_source_to_fc C s | j | S r )rR )r �typer r r � _gettypenum s zRecompiler._gettypenumc C sn d}t |tj�r�|�� s�|�� r:|jdkr:d}d|j }nPt |tj�rXd|�d�f }n2|�d�}d||j�dd�f }|d v r�| � t � d }n�t |tj �r�| � ||||� d S t |tj �s�t |tj�r�| �d || �|�|f � | �d | � d S t |tj��r$d |�d� }d| �|� }d}nt|��| �d||||f � | �d||�d�|f � | �d | � d S )Nr& �_BoolZ_cffi_to_c_intz, %sz(%s)_cffi_to_c_doublez(%s)_cffi_to_c_%sr" rw �Zchar16_tZchar32_tz-1z6 if (_cffi_to_c((char *)&%s, _cffi_type(%d), %s) < 0)z %s;z(%s)_cffi_to_c_pointerz, _cffi_type(%d)ZNULLz %s = %s(%s%s);z' if (%s == (%s)%s && PyErr_Occurred()))rY r r[ �is_complex_type�is_integer_typer �UnknownFloatType� get_c_name�replacerI �VERSION_CHAR16CHAR32r\ �"_convert_funcarg_to_c_ptr_or_arrayr] r� r� r^ r% ) r rO �fromvar�tovar�errcodeZextraargZ converter�cnameZerrvaluer r r �_convert_funcarg_to_c sJ � � �� �z Recompiler._convert_funcarg_to_cc C s. t |tj�r*|�d� |�d� |�d� d S )NzPy_ssize_t datasizez-struct _cffi_freeme_s *large_args_free = NULLzIif (large_args_free != NULL) _cffi_free_array_arguments(large_args_free);)rY r r\ �add)r rO � localvars� freelinesr r r �_extra_local_variablesC s z!Recompiler._extra_local_variablesc C s� | � d� | � d| �|�||f � | � d� | � d||�d�f � | � d| �|�||f � | � d� | � d| � | � d � d S ) Nz1 datasize = _cffi_prepare_pointer_call_argument(z( _cffi_type(%d), %s, (char **)&%s);z if (datasize != 0) {zI %s = ((size_t)datasize) <= 640 ? 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