def get_objects(space): """Return a list of all app-level objects.""" if not rgc.has_gcflag_extra(): raise missing_operation(space) result_w = do_get_objects() rgc.assert_no_more_gcflags() return space.newlist(result_w)
def get_instances_array_gc(interp, w_class=None): space = interp.space from rpython.rlib import rgc result_w = [] roots = [gcref for gcref in rgc.get_rpy_roots() if gcref] pending = roots[:] while pending: gcref = pending.pop() if not rgc.get_gcflag_extra(gcref): rgc.toggle_gcflag_extra(gcref) w_obj = rgc.try_cast_gcref_to_instance(W_Object, gcref) if w_obj is not None and w_obj.has_class(): w_cls = w_obj.getclass(space) if w_cls is not None: # XXX: should not return SmallFloat64 on Spur64... if ((not w_cls.is_same_object(space.w_SmallInteger)) and (not (space.is_spur.is_set() and w_cls.is_same_object(space.w_Character))) and (w_class is None or w_cls.is_same_object(w_class))): result_w.append(w_obj) pending.extend(rgc.get_rpy_referents(gcref)) rgc.clear_gcflag_extra(roots) rgc.assert_no_more_gcflags() return result_w
def get_referrers(space, args_w): """Return the list of objects that directly refer to any of objs.""" if not rgc.has_gcflag_extra(): raise missing_operation(space) result_w = [] for w_arg in args_w: result_w += do_get_referrers(w_arg) rgc.assert_no_more_gcflags() return space.newlist(result_w)
def get_referents(space, args_w): """Return a list of objects directly referred to by any of the arguments. """ if not rgc.has_gcflag_extra(): raise missing_operation(space) result_w = [] for w_obj in args_w: gcref = rgc.cast_instance_to_gcref(w_obj) _list_w_obj_referents(gcref, result_w) rgc.assert_no_more_gcflags() return space.newlist(result_w)
def getMonteObjects(): roots = [gcref for gcref in rgc.get_rpy_roots() if gcref] pending = roots[:] result_w = [] while pending: gcref = pending.pop() if not rgc.get_gcflag_extra(gcref): rgc.toggle_gcflag_extra(gcref) w_obj = rgc.try_cast_gcref_to_instance(Object, gcref) if w_obj is not None: result_w.append(w_obj) pending.extend(rgc.get_rpy_referents(gcref)) clear_gcflag_extra(roots) rgc.assert_no_more_gcflags() return result_w
def get_referrers(space, args_w): """Return the list of objects that directly refer to any of objs.""" if not rgc.has_gcflag_extra(): raise missing_operation(space) # xxx uses a lot of memory to make the list of all W_Root objects, # but it's simpler this way and more correct than the previous # version of this code (issue #2612). It is potentially very slow # because each of the n calls to _list_w_obj_referents() could take # O(n) time as well, in theory, but I hope in practice the whole # thing takes much less than O(n^2). We could re-add an algorithm # that visits most objects only once, if needed... all_objects_w = rgc.do_get_objects(try_cast_gcref_to_w_root) result_w = [] for w_obj in all_objects_w: refs_w = [] gcref = rgc.cast_instance_to_gcref(w_obj) _list_w_obj_referents(gcref, refs_w) for w_arg in args_w: if w_arg in refs_w: result_w.append(w_obj) rgc.assert_no_more_gcflags() return space.newlist(result_w)