def set_instance_fields(self, value):
assert isinstance(value, Array)
self._instance_fields = value
if (self._layout_for_instances is None
or value.get_number_of_indexable_fields() !=
self._layout_for_instances.get_number_of_fields()):
self._layout_for_instances = ObjectLayout(
value.get_number_of_indexable_fields(), self)
def __init__(self,
universe,
number_of_fields=Object.NUMBER_OF_OBJECT_FIELDS,
obj_class=None):
_Class.__init__(self, universe, number_of_fields, obj_class)
if number_of_fields >= 0:
self._layout_for_instances = ObjectLayout(number_of_fields, self)
else:
self._layout_for_instances = None
def __init__(self, universe, number_of_fields=-1, obj_class=None):
Object.__init__(self, obj_class, number_of_fields)
self._super_class = nilObject
self._name = None
self._instance_fields = None
self._instance_invokables = None
self._invokables_table = {}
self._universe = universe
if number_of_fields >= 0:
self._layout_for_instances = ObjectLayout(number_of_fields, self)
else:
self._layout_for_instances = None
def __init__(self, obj_class, number_of_fields=NUMBER_OF_OBJECT_FIELDS):
cls = obj_class if obj_class is not None else nilObject
ObjectWithoutFields.__init__(self, cls)
if obj_class is not None:
self._object_layout = obj_class.get_layout_for_instances()
else:
self._object_layout = ObjectLayout(number_of_fields)
# IMPORTANT: when changing the number of preallocated fields,
# you'll also need to update storage_location.py's constants:
# NUMBER_OF_PRIMITIVE_FIELDS and NUMBER_OF_POINTER_FIELDS
self._field1 = nilObject
self._field2 = nilObject
self._field3 = nilObject
self._field4 = nilObject
self._field5 = nilObject
self._primField1 = 0
self._primField2 = 0
self._primField3 = 0
self._primField4 = 0
self._primField5 = 0
assert (self._object_layout.get_number_of_fields() == number_of_fields)
# TODO:
# or obj_class is None
# or not obj_class._universe.is_object_system_initialized())
n = self._object_layout.get_number_of_used_extended_prim_locations()
if n > 0:
self._primFields = [0] * n
else:
self._primFields = _EMPTY_LIST
self._primitive_used_map = 0
n = self._object_layout.get_number_of_used_extended_ptr_locations()
if n > 0:
self._fields = [nilObject] * n
else:
self._fields = None ## for some reason _EMPTY_LIST doesn't typecheck here
