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import os
from ctypes import *
from ctypes.util import find_library
isl_dyld_library_path = os.environ.get('ISL_DYLD_LIBRARY_PATH')
if isl_dyld_library_path != None:
os.environ['DYLD_LIBRARY_PATH'] = isl_dyld_library_path
try:
isl = cdll.LoadLibrary(isl_dlname)
except:
isl = cdll.LoadLibrary(find_library("isl"))
libc = cdll.LoadLibrary(find_library("c"))
class Error(Exception):
pass
class Context:
defaultInstance = None
def __init__(self):
ptr = isl.isl_ctx_alloc()
self.ptr = ptr
def __del__(self):
isl.isl_ctx_free(self)
def from_param(self):
return c_void_p(self.ptr)
@staticmethod
def getDefaultInstance():
if Context.defaultInstance == None:
Context.defaultInstance = Context()
return Context.defaultInstance
@CFUNCTYPE(None, py_object)
def free_user(user):
pythonapi.Py_DecRef(py_object(user))
isl.isl_ctx_alloc.restype = c_void_p
isl.isl_ctx_free.argtypes = [Context]
isl.isl_id_alloc.restype = c_void_p
isl.isl_id_alloc.argtypes = [Context, c_char_p, py_object]
isl.isl_id_set_free_user.restype = c_void_p
isl.isl_id_set_free_user.argtypes = [c_void_p, c_void_p]
isl.isl_id_get_free_user.restype = c_void_p
isl.isl_id_get_free_user.argtypes = [c_void_p]
isl.isl_id_get_user.restype = py_object
isl.isl_id_get_user.argtypes = [c_void_p]
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