o
    ߐi.                     @   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$edZ%G d d! d!Z&G d"d# d#Z'G d$d% d%e(Z)G d&d' d'e(Z*d(d) Z+e j,dd* d+kre+nej-Z.e) Z/d,d- Z0d.d/ Z1G d0d1 d1e(Z2G d2d3 d3e(Z3d4d5 Z4d6d7 Z5G d8d9 d9e(Z6dS ):    N)_decode_string_is_shutting_down)get_library_namec                 C   s   t | tjfi }t|S N)typectypesZ	StructureZPOINTER)nameZnewcls r	   c/var/www/html/eduruby.in/lip-sync/lip-sync-env/lib/python3.10/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LLVMAttributeSetIteratorLLVMGlobalsIteratorLLVMFunctionsIteratorLLVMBlocksIteratorLLVMArgumentsIteratorLLVMInstructionsIteratorLLVMOperandsIterator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__4   s   

z_LLVMLock.__init__c                 C      | 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   r   )z)Remove the registered callbacks.
        N)r   remover!   r	   r	   r
   
unregisterA   s   z_LLVMLock.unregisterc                 C   s$   | j   | jD ]\}}|  qd S r   )r   acquirer   r!   r	   r	   r
   	__enter__F   s   
z_LLVMLock.__enter__c                 G   s$   | j D ]\}}|  q| j  d S r   )r   r   release)r   exc_detailsr"   r#   r	   r	   r
   __exit__L   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   T      
z!_suppress_cleanup_errors.__init__c                 C   s
   | j  S r   )r1   r(   r   r	   r	   r
   r(   W   r3   z"_suppress_cleanup_errors.__enter__c                 C   s(   z	| j |||W S  ty   Y d S w r   )r1   r+   PermissionError)r   exc_type	exc_value	tracebackr	   r	   r
   r+   Z   s
   z!_suppress_cleanup_errors.__exit__N)r,   r-   r.   r   r(   r+   r	   r	   r	   r
   r0   S   s    r0   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   )r9   r:   r   r   r   r	   r	   r
   r   i   s   z_lib_wrapper.__init__c              
   C   s   z/t ttdd t }tt|| _| j	 }W d    W d S 1 s(w   Y  W d S  t
tfyB } zt
d|d }~ww )N.r   z&Could not find/load shared object file)r0   _importlib_resources_pathr,   
rpartitionr   r   CDLLstrr9   ZLLVMPY_GetVersionInfoOSErrorAttributeError)r   Zlib_path_er	   r	   r
   	_load_libn   s   &
z_lib_wrapper._load_libc                 C   s   | j s|   | j S r   )r9   rD   r   r	   r	   r
   _lib}   s   z_lib_wrapper._libc                 C   sF   z| j | W S  ty"   t| j|}t| j|}|| j |< | Y S w r   )r:   KeyErrorgetattrrE   _lib_fn_wrapperr   )r   r   cfnwrappedr	   r	   r
   __getattr__   s   
z_lib_wrapper.__getattr__c                 C      | j jS )zgThe name of the library passed in the CDLL constructor.

        For duck-typing a ctypes.CDLL
        )rE   _namer   r	   r	   r
   rM         z_lib_wrapper._namec                 C   rL   )z]The system handle used to access the library.

        For duck-typing a ctypes.CDLL
        )rE   _handler   r	   r	   r
   rO      rN   z_lib_wrapper._handleN)r,   r-   r.   r/   	__slots__r   rD   propertyrE   rK   rM   rO   r	   r	   r	   r
   r8   a   s    


r8   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 )rH   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   lockrI   r	   r	   r
   r      s   
z_lib_fn_wrapper.__init__c                 C   rL   r   rR   argtypesr   r	   r	   r
   rV         z_lib_fn_wrapper.argtypesc                 C      || j _d S r   rU   )r   rV   r	   r	   r
   rV         c                 C   rL   r   rR   restyper   r	   r	   r
   r[      rW   z_lib_fn_wrapper.restypec                 C   rX   r   rZ   )r   r[   r	   r	   r
   r[      rY   c                 O   s:   | j  | j|i |W  d    S 1 sw   Y  d S r   rS   )r   argskwargsr	   r	   r
   __call__   s   $z_lib_fn_wrapper.__call__N)r,   r-   r.   r/   rP   r   rQ   rV   setterr[   r^   r	   r	   r	   r
   rH      s    



rH   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   re      )   	   c                 C      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      rl   c                 C   ri   )zRemove the registered callback functions for lock acquire and release.
    The arguments are the same as used in `register_lock_callback()`.
    N)rj   r   r&   rk   r	   r	   r
   unregister_lock_callback   rm   rn   c                   @   s   e Zd ZdZdS )_DeadPointerz:
    Dummy class to make error messages more helpful.
    N)r,   r-   r.   r/   r	   r	   r	   r
   ro      s    ro   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   rs   _ptrZbyref_as_parameter__owned)r   Zownedrq   r	   r	   r
   r      s   
zOutputString.__init__c                 C   s.   | j d ur| jrt| j  d | _ | `d S d S r   )rw   ry   rj   ZLLVMPY_DisposeStringrx   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      |    d S r   rz   r   r5   exc_valexc_tbr	   r	   r
   r+        zOutputString.__exit__c                 C   $   | s| j d ur|    d S d S d S r   r|   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>)rw   valuer   )r   sr	   r	   r
   __str__  s
   
zOutputString.__str__c                 C   
   t | jS r   boolrw   r   r	   r	   r
   __bool__  r3   zOutputString.__bool__c                 C   rL   )z:Get the raw bytes of content of the char pointer.
        )rw   r   r   r	   r	   r
   bytes"  s   zOutputString.bytes)TN)r,   r-   r.   r/   ro   rx   classmethodrv   r   rz   r(   r+   r   r   r   r   __nonzero__rQ   r   r	   r	   r	   r
   rp      s    

rp   c                 C   s   | durt t| S dS )z,To wrap string return-value from C-API.
    N)r?   rp   rv   ru   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)rp   rv   r   r   r	   r	   r
   	ret_bytes0  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)
ValueErrorrw   rx   rj   Z_capi)r   ru   r	   r	   r
   r   @  s
   
zObjectRef.__init__c                 C   sJ   z| j s| js|   W |   dS W |   dS W |   dS |   w )zI
        Close this object and do any required clean-up actions.
        N)_closedry   _disposedetachr   r	   r	   r
   rz   G  s   
zObjectRef.closec                 C   s   | j s| `d| _ d| _dS dS )zN
        Detach the underlying LLVM resource without disposing of it.
        TN)r   rx   rw   r   r	   r	   r
   r   Q  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   Z  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
   closeda  s   zObjectRef.closedc                 C   s(   t | dsJ | jrtd| jf | S )Nrz   z%s instance already closed)hasattrr   RuntimeError	__class__r   r	   r	   r
   r(   i  s   zObjectRef.__enter__c                 C   r{   r   r|   r}   r	   r	   r
   r+   o  r   zObjectRef.__exit__c                 C   r   r   r|   r   r	   r	   r
   r   r  s
   
zObjectRef.__del__c                 C   r   r   r   r   r	   r	   r
   r   w  r3   zObjectRef.__bool__c                 C   s.   t |dsdS t| jd t|jd kS )Nrw   Fr   )r   r   Z	addressofrw   )r   otherr	   r	   r
   __eq__z  s
   
zObjectRef.__eq__c                 C   s   t t| jtjjS r   )hashr   rr   rw   Zc_void_pr   r   r	   r	   r
   __hash__  s   zObjectRef.__hash__N)r,   r-   r.   r/   r   ro   rx   ry   r   rz   r   r   rQ   r   r(   r+   r   r   r   r   r   r   r	   r	   r	   r
   r   7  s$    
	
r   )7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   ZLLVMObjectCacheRefZLLVMObjectFileRefZLLVMSectionIteratorRefr   r   r   r0   objectr8   rH   re   version_infopathr<   rj   rl   rn   ro   rp   r   r   r   r	   r	   r	   r
   <module>   sd    (>">