Add weakref support generator-iterators.

Part of fixing SF bug #591704.
This commit is contained in:
Fred Drake 2002-08-09 18:35:52 +00:00
parent f16c3dc81b
commit 72bc456403

View file

@ -94,6 +94,9 @@ typedef struct {
/* True if generator is being executed. */
int gi_running;
/* List of weak reference. */
PyObject *gi_weakreflist;
} genobject;
static PyObject *
@ -106,6 +109,7 @@ gen_new(PyFrameObject *f)
}
gen->gi_frame = f;
gen->gi_running = 0;
gen->gi_weakreflist = NULL;
_PyObject_GC_TRACK(gen);
return (PyObject *)gen;
}
@ -120,6 +124,8 @@ static void
gen_dealloc(genobject *gen)
{
_PyObject_GC_UNTRACK(gen);
if (gen->gi_weakreflist != NULL)
PyObject_ClearWeakRefs((PyObject *) gen);
Py_DECREF(gen->gi_frame);
PyObject_GC_Del(gen);
}
@ -205,7 +211,7 @@ static PyTypeObject gentype = {
(traverseproc)gen_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
offsetof(genobject, gi_weakreflist), /* tp_weaklistoffset */
(getiterfunc)gen_getiter, /* tp_iter */
(iternextfunc)gen_iternext, /* tp_iternext */
0, /* tp_methods */