def get_referrers(space, args_w):
"""Return the list of objects that directly refer to any of objs."""
roots = rgc.get_rpy_roots()
pending_w = _get_objects_from_rpy(roots)
arguments_w = {}
for w_obj in args_w:
arguments_w[w_obj] = None
# continue by following every W_Root. Same remark about hashes as
# in get_objects().
result_w = {}
seen_w = {}
while len(pending_w) > 0:
previous_w = pending_w
pending_w = []
for w_obj in previous_w:
if w_obj not in seen_w:
seen_w[w_obj] = None
gcref = rgc.cast_instance_to_gcref(w_obj)
referents_w = []
_list_w_obj_referents(gcref, referents_w)
for w_subobj in referents_w:
if w_subobj in arguments_w:
result_w[w_obj] = None
pending_w += referents_w
return space.newlist(result_w.keys())
def g(s):
lst = rgc.get_rpy_roots()
found = False
for x in lst:
if x == lltype.cast_opaque_ptr(llmemory.GCREF, s):
found = True
if x == lltype.cast_opaque_ptr(llmemory.GCREF, s.u):
os.write(2, "s.u should not be found!\n")
assert False
return found == 1
def g(s):
lst = rgc.get_rpy_roots()
found = False
for x in lst:
if x == lltype.cast_opaque_ptr(llmemory.GCREF, s):
found = True
if x == lltype.cast_opaque_ptr(llmemory.GCREF, s.u):
os.write(2, "s.u should not be found!\n")
assert False
return found == 1
def get_objects(space):
"""Return a list of all app-level objects."""
roots = rgc.get_rpy_roots()
pending_w = _get_objects_from_rpy(roots)
# continue by following every W_Root. Note that this will force a hash
# on every W_Root, which is kind of bad, but not on every RPython object,
# which is really good.
result_w = {}
while len(pending_w) > 0:
previous_w = pending_w
pending_w = []
for w_obj in previous_w:
if w_obj not in result_w:
result_w[w_obj] = None
gcref = rgc.cast_instance_to_gcref(w_obj)
_list_w_obj_referents(gcref, pending_w)
return space.newlist(result_w.keys())
def get_rpy_roots(space):
lst = rgc.get_rpy_roots()
if lst is None:
raise missing_operation(space)
return space.newlist([wrap(space, gcref) for gcref in lst if gcref])