def ll_keyeq(d, weakkey1, realkey2):
# only called by ll_dict_lookup() with the first arg coming from an
# entry.key, and the 2nd arg being the argument to ll_dict_lookup().
if not weakkey1:
assert bool(realkey2)
return False
return weakref_deref(rclass.OBJECTPTR, weakkey1) == realkey2
def ll_keyeq(d, weakkey1, realkey2):
# only called by ll_dict_lookup() with the first arg coming from an
# entry.key, and the 2nd arg being the argument to ll_dict_lookup().
if not weakkey1:
assert bool(realkey2)
return False
return weakref_deref(rclass.OBJECTPTR, weakkey1) == realkey2
def ll_get(self, d, llkey):
hash = self.ll_keyhash(llkey)
i = rdict.ll_dict_lookup(d, llkey, hash) & rdict.MASK
#llop.debug_print(lltype.Void, i, 'get')
valueref = d.entries[i].value
if valueref:
return weakref_deref(rclass.OBJECTPTR, valueref)
else:
return lltype.nullptr(rclass.OBJECTPTR.TO)
def ll_get(self, d, llkey):
if d.resize_counter < 0:
self.ll_weakdict_rehash_after_translation(d)
hash = self.ll_keyhash(llkey)
i = rdict.ll_dict_lookup(d, llkey, hash) & rdict.MASK
#llop.debug_print(lltype.Void, i, 'get')
valueref = d.entries[i].value
if valueref:
return weakref_deref(rclass.OBJECTPTR, valueref)
else:
return lltype.nullptr(rclass.OBJECTPTR.TO)
def ll_valid(entries, i):
key = entries[i].key
if not key:
return False
elif weakref_deref(rclass.OBJECTPTR, key):
return True
else:
# The entry might be a dead weakref still holding a strong
# reference to the value; for this case, we clear the old
# value from the entry, if any.
entries[i].value = NULLVALUE
return False
def ll_valid(entries, i):
key = entries[i].key
if not key:
return False
elif weakref_deref(rclass.OBJECTPTR, key):
return True
else:
# The entry might be a dead weakref still holding a strong
# reference to the value; for this case, we clear the old
# value from the entry, if any.
entries[i].value = NULLVALUE
return False
def ll_valid(entries, i):
value = entries[i].value
return bool(value) and bool(weakref_deref(rclass.OBJECTPTR, value))
def f():
w = g()
rgc.collect()
return llmemory.weakref_deref(lltype.Ptr(S), w)
def g():
s = lltype.malloc(S)
w = llmemory.weakref_create(s)
assert llmemory.weakref_deref(lltype.Ptr(S), w) == s
assert llmemory.weakref_deref(lltype.Ptr(S), w) == s
return w # 's' is forgotten here
def f():
w = g()
rgc.collect()
return llmemory.weakref_deref(lltype.Ptr(S), w)
def g():
s = lltype.malloc(S)
w = llmemory.weakref_create(s)
assert llmemory.weakref_deref(lltype.Ptr(S), w) == s
assert llmemory.weakref_deref(lltype.Ptr(S), w) == s
return w # 's' is forgotten here
