pypol/isl.py

   1 import ctypes, ctypes.util
   2
   3 from . import _isl
   4
   5
   6 libisl = ctypes.CDLL(ctypes.util.find_library('isl'))
   7
   8 libisl.isl_printer_get_str.restype = ctypes.c_char_p
   9 libisl.isl_dim_set = _isl.isl_dim_set
  10
  11
  12 class IslObject:
  13
  14     __slots__ = (
  15         '_ptr'
  16     )
  17
  18     def __init__(self, ptr):
  19         self._ptr = ptr
  20
  21     @property
  22     def _as_parameter_(self):
  23         return self._ptr
  24
  25
  26 class Context(IslObject):
  27
  28     def __init__(self):
  29         ptr = libisl.isl_ctx_alloc()
  30         super().__init__(ptr)
  31
  32     #comment out so does not delete itself after being created
  33     #def __del__(self):
  34     #   libisl.isl_ctx_free(self)
  35
  36     def __eq__(self, other):
  37         if not isinstance(other, Context):
  38             return False
  39         return self._ptr == other._ptr
  40
  41
  42 class BasicSet(IslObject):
  43
  44     def __str__(self):
  45         ls = libisl.isl_basic_set_get_local_space(self)
  46         ctx = libisl.isl_local_space_get_ctx(ls)
  47         p = libisl.isl_printer_to_str(ctx)
  48         p = libisl.isl_printer_print_basic_set(p, self)
  49         string = libisl.isl_printer_get_str(p).decode()
  50         return string
  51
  52     def __del__(self):
  53         libisl.isl_basic_set_free(self)