a
    Df8/                     @   s  d dl Z d dlZd dlZd dlmZ d dlmZmZ d dl	m
Z
 dd ZedZedZedZed	Zed
ZedZedZedZedZedZedZedZedZedZedZedZedZedZedZedZedZ edZ!edZ"edZ#edZ$edZ%ed Z&ed!Z'G d"d# d#Z(G d$d% d%Z)G d&d' d'e*Z+G d(d) d)e*Z,d*d+ Z-e j.dd, d-kre-nej/Z0e+ Z1d.d/ Z2d0d1 Z3G d2d3 d3e*Z4G d4d5 d5e*Z5d6d7 Z6d8d9 Z7G d:d; d;e*Z8dS )<    N)_decode_string_is_shutting_down)get_library_namec                 C   s   t | tjfi }t|S N)typectypes	StructurePOINTER)nameZnewcls r   a/nfs/NAS7/SABIOD/METHODE/ermites/ermites_venv/lib/python3.9/site-packages/llvmlite/binding/ffi.py_make_opaque_ref
   s    r   ZLLVMContextZ
LLVMModuleZ	LLVMValueZLLVMTypeZLLVMExecutionEngineZLLVMPassManagerBuilderZLLVMPassManagerZLLVMTargetDataZLLVMTargetLibraryInfoZ
LLVMTargetZLLVMTargetMachineZLLVMMemoryBufferLLVMAttributeListIteratorLLVMElementIteratorLLVMAttributeSetIteratorLLVMGlobalsIteratorLLVMFunctionsIteratorLLVMBlocksIteratorLLVMArgumentsIteratorLLVMInstructionsIteratorLLVMOperandsIteratorLLVMIncomingBlocksIteratorLLVMTypesIteratorZLLVMObjectCacheZLLVMObjectFileZLLVMSectionIteratorLLVMOrcLLJITRefLLVMOrcDylibTrackerRefc                   @   s8   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d ZdS )	_LLVMLocka6  A Lock to guarantee thread-safety for the LLVM C-API.

    This class implements __enter__ and __exit__ for acquiring and releasing
    the lock as a context manager.

    Also, callbacks can be attached so that every time the lock is acquired
    and released the corresponding callbacks will be invoked.
    c                 C   s   t  | _g | _d S r   )	threadingRLock_lock_cblistselfr   r   r   __init__6   s    
z_LLVMLock.__init__c                 C   s   | j ||f dS )zRegister callbacks that are invoked immediately after the lock is
        acquired (``acq_fn()``) and immediately before the lock is released
        (``rel_fn()``).
        N)r   appendr!   acq_fnrel_fnr   r   r   register<   s    z_LLVMLock.registerc                 C   s   | j ||f dS )z)Remove the registered callbacks.
        N)r   remover$   r   r   r   
unregisterC   s    z_LLVMLock.unregisterc                 C   s$   | j   | jD ]\}}|  qd S r   )r   acquirer   r$   r   r   r   	__enter__H   s    
z_LLVMLock.__enter__c                 G   s$   | j D ]\}}|  q| j  d S r   )r   r   release)r!   exc_detailsr%   r&   r   r   r   __exit__N   s    z_LLVMLock.__exit__N)	__name__
__module____qualname____doc__r"   r'   r)   r+   r.   r   r   r   r   r   -   s   r   c                   @   s$   e Zd Zdd Zdd Zdd ZdS )_suppress_cleanup_errorsc                 C   s
   || _ d S r   )_context)r!   contextr   r   r   r"   V   s    z!_suppress_cleanup_errors.__init__c                 C   s
   | j  S r   )r4   r+   r    r   r   r   r+   Y   s    z"_suppress_cleanup_errors.__enter__c                 C   s*   z| j |||W S  ty$   Y n0 d S r   )r4   r.   PermissionError)r!   exc_type	exc_value	tracebackr   r   r   r.   \   s    z!_suppress_cleanup_errors.__exit__N)r/   r0   r1   r"   r+   r.   r   r   r   r   r3   U   s   r3   c                   @   sT   e Zd ZdZg dZdd Zdd Zedd Zd	d
 Z	edd Z
edd ZdS )_lib_wrapperz{Wrap libllvmlite with a lock such that only one thread may access it at
    a time.

    This class duck-types a CDLL.
    )_lib_handle_fntabr   c                 C   s   d | _ i | _t | _d S r   )r;   r<   r   r   r    r   r   r   r"   k   s    z_lib_wrapper.__init__c              
   C   s   zXt ttdd t *}tt|| _| j	 }W d    n1 sL0    Y  W n2 t
tfy } zt
d|W Y d }~n
d }~0 0 d S )N.r   z&Could not find/load shared object file)r3   _importlib_resources_pathr/   
rpartitionr   r   CDLLstrr;   ZLLVMPY_GetVersionInfoOSErrorAttributeError)r!   Zlib_path_er   r   r   	_load_libp   s    ,z_lib_wrapper._load_libc                 C   s   | j s|   | j S r   )r;   rF   r    r   r   r   _lib   s    z_lib_wrapper._libc                 C   sJ   z| j | W S  tyD   t| j|}t| j|}|| j |< | Y S 0 d S r   )r<   KeyErrorgetattrrG   _lib_fn_wrapperr   )r!   r
   cfnwrappedr   r   r   __getattr__   s    
z_lib_wrapper.__getattr__c                 C   s   | j jS )zgThe name of the library passed in the CDLL constructor.

        For duck-typing a ctypes.CDLL
        )rG   _namer    r   r   r   rN      s    z_lib_wrapper._namec                 C   s   | j jS )z]The system handle used to access the library.

        For duck-typing a ctypes.CDLL
        )rG   _handler    r   r   r   rO      s    z_lib_wrapper._handleN)r/   r0   r1   r2   	__slots__r"   rF   propertyrG   rM   rN   rO   r   r   r   r   r:   c   s   


r:   c                   @   s\   e Zd ZdZddgZdd Zedd Zejdd Zed	d
 Z	e	jdd
 Z	dd Z
dS )rJ   zWraps and duck-types a ctypes.CFUNCTYPE to provide
    automatic locking when the wrapped function is called.

    TODO: we can add methods to mark the function as threadsafe
          and remove the locking-step on call when marked.
    r   _cfnc                 C   s   || _ || _d S r   r   rR   )r!   lockrK   r   r   r   r"      s    z_lib_fn_wrapper.__init__c                 C   s   | j jS r   rR   argtypesr    r   r   r   rV      s    z_lib_fn_wrapper.argtypesc                 C   s   || j _d S r   rU   )r!   rV   r   r   r   rV      s    c                 C   s   | j jS r   rR   restyper    r   r   r   rX      s    z_lib_fn_wrapper.restypec                 C   s   || j _d S r   rW   )r!   rX   r   r   r   rX      s    c                 O   s:   | j   | j|i |W  d    S 1 s,0    Y  d S r   rS   )r!   argskwargsr   r   r   __call__   s    z_lib_fn_wrapper.__call__N)r/   r0   r1   r2   rP   r"   rQ   rV   setterrX   r[   r   r   r   r   rJ      s   



rJ   c                 C   s   t t | | S )a  Replacement implementation of `import.resources.path` to avoid
    deprecation warning following code at importlib_resources/_legacy.py
    as suggested by https://importlib-resources.readthedocs.io/en/latest/using.html#migrating-from-legacy

    Notes on differences from importlib.resources implementation:

    The `_common.normalize_path(resource)` call is skipped because it is an
    internal API and it is unnecessary for the use here. What it does is
    ensuring `resource` is a str and that it does not contain path separators.
    )_impresas_filefiles)packageresourcer   r   r   _importlib_resources_path_repl   s    rb      )   	   c                 C   s   t j| | dS )z~Register callback functions for lock acquire and release.
    *acq_fn* and *rel_fn* are callables that take no arguments.
    N)libr   r'   r%   r&   r   r   r   register_lock_callback   s    rh   c                 C   s   t j| | dS )zRemove the registered callback functions for lock acquire and release.
    The arguments are the same as used in `register_lock_callback()`.
    N)rf   r   r)   rg   r   r   r   unregister_lock_callback   s    ri   c                   @   s   e Zd ZdZdS )_DeadPointerz:
    Dummy class to make error messages more helpful.
    N)r/   r0   r1   r2   r   r   r   r   rj      s   rj   c                   @   sp   e Zd ZdZe Zedd ZdddZdd	 Z	d
d Z
dd ZefddZdd Zdd ZeZedd ZdS )OutputStringz<
    Object for managing the char* output of LLVM APIs.
    c                 C   s   | t |t jdS )a%  Constructing from a pointer returned from the C-API.
        The pointer must be allocated with LLVMPY_CreateString.

        Note
        ----
        Because ctypes auto-converts *restype* of *c_char_p* into a python
        string, we must use *c_void_p* to obtain the raw pointer.
        )init)r   castc_char_p)clsptrr   r   r   from_return   s    
zOutputString.from_returnTNc                 C   s0   |d ur|nt d | _t | j| _|| _d S r   )r   rn   _ptrbyref_as_parameter__owned)r!   Zownedrl   r   r   r   r"      s    zOutputString.__init__c                 C   s*   | j d ur&| jrt| j  d | _ | `d S r   )rr   ru   rf   ZLLVMPY_DisposeStringrt   r    r   r   r   close  s
    
zOutputString.closec                 C   s   | S r   r   r    r   r   r   r+     s    zOutputString.__enter__c                 C   s   |    d S r   rv   r!   r7   exc_valexc_tbr   r   r   r.     s    zOutputString.__exit__c                 C   s   | s| j d ur|    d S r   rw   r!   r   r   r   r   __del__  s    
zOutputString.__del__c                 C   s*   | j d u rdS | j j}|d us"J t|S )Nz<dead OutputString>)rr   valuer   )r!   sr   r   r   __str__  s
    
zOutputString.__str__c                 C   s
   t | jS r   boolrr   r    r   r   r   __bool__  s    zOutputString.__bool__c                 C   s   | j jS )z:Get the raw bytes of content of the char pointer.
        )rr   r}   r    r   r   r   bytes$  s    zOutputString.bytes)TN)r/   r0   r1   r2   rj   rt   classmethodrq   r"   rv   r+   r.   r   r|   r   r   __nonzero__rQ   r   r   r   r   r   rk      s   

rk   c                 C   s   | durt t| S dS )z,To wrap string return-value from C-API.
    N)rA   rk   rq   rp   r   r   r   
ret_string+  s    r   c                 C   s   | durt | jS dS )z+To wrap bytes return-value from C-API.
    N)rk   rq   r   r   r   r   r   	ret_bytes2  s    r   c                   @   s   e Zd ZdZdZe ZdZdd Zdd Z	dd Z
d	d
 Zedd Zdd Zdd ZefddZdd Zdd ZeZdd ZdS )	ObjectRefzJ
    A wrapper around a ctypes pointer to a LLVM object ("resource").
    Fc                 C   s&   |d u rt d|| _|| _t| _d S )NzNULL pointer)
ValueErrorrr   rt   rf   Z_capi)r!   rp   r   r   r   r"   B  s
    zObjectRef.__init__c                 C   s0   z | j s| js|   W |   n
|   0 dS )zI
        Close this object and do any required clean-up actions.
        N)_closedru   _disposedetachr    r   r   r   rv   I  s    
zObjectRef.closec                 C   s   | j s| `d| _ d| _dS )zN
        Detach the underlying LLVM resource without disposing of it.
        TN)r   rt   rr   r    r   r   r   r   S  s    zObjectRef.detachc                 C   s   dS )z
        Dispose of the underlying LLVM resource.  Should be overriden
        by subclasses.  Automatically called by close(), __del__() and
        __exit__() (unless the resource has been detached).
        Nr   r    r   r   r   r   \  s    zObjectRef._disposec                 C   s   | j S )zf
        Whether this object has been closed.  A closed object can't
        be used anymore.
        )r   r    r   r   r   closedc  s    zObjectRef.closedc                 C   s(   t | dsJ | jr$td| jf | S )Nrv   z%s instance already closed)hasattrr   RuntimeError	__class__r    r   r   r   r+   k  s    zObjectRef.__enter__c                 C   s   |    d S r   rw   rx   r   r   r   r.   q  s    zObjectRef.__exit__c                 C   s   | s| j d ur|    d S r   rw   r{   r   r   r   r|   t  s    
zObjectRef.__del__c                 C   s
   t | jS r   r   r    r   r   r   r   y  s    zObjectRef.__bool__c                 C   s.   t |dsdS t| jd t|jd kS )Nrr   Fr   )r   r   	addressofrr   )r!   otherr   r   r   __eq__|  s
    
zObjectRef.__eq__c                 C   s   t t| jtjjS r   )hashr   rm   rr   c_void_pr}   r    r   r   r   __hash__  s    zObjectRef.__hash__N)r/   r0   r1   r2   r   rj   rt   ru   r"   rv   r   r   rQ   r   r+   r.   r   r|   r   r   r   r   r   r   r   r   r   9  s"   
	
r   )9sysr   r   importlib.resources	resourcesr]   Zllvmlite.binding.commonr   r   Zllvmlite.utilsr   r   ZLLVMContextRefZLLVMModuleRefZLLVMValueRefZLLVMTypeRefZLLVMExecutionEngineRefZLLVMPassManagerBuilderRefZLLVMPassManagerRefZLLVMTargetDataRefZLLVMTargetLibraryInfoRefZLLVMTargetRefZLLVMTargetMachineRefZLLVMMemoryBufferRefr   r   r   r   r   r   r   r   r   r   r   ZLLVMObjectCacheRefZLLVMObjectFileRefZLLVMSectionIteratorRefr   r   r   r3   objectr:   rJ   rb   version_infopathr>   rf   rh   ri   rj   rk   r   r   r   r   r   r   r   <module>   sf   (>">