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GH-92678: Expose managed dict clear and visit functions (#95246)

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Mark Shannon 2022-07-25 22:30:53 +01:00 • committed by GitHub
parent 2d26449b06
commit 27055d766a
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29
Objects/dictobject.c
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@ -5583,6 +5583,35 @@ _PyObject_FreeInstanceAttributes(PyObject *self)
free_values(*values_ptr);
}
int
_PyObject_VisitManagedDict(PyObject *self, visitproc visit, void *arg)
{
PyTypeObject *tp = Py_TYPE(self);
if((tp->tp_flags & Py_TPFLAGS_MANAGED_DICT) == 0) {
return 0;
}
assert(tp->tp_dictoffset);
int err = _PyObject_VisitInstanceAttributes(self, visit, arg);
if (err) {
return err;
}
Py_VISIT(*_PyObject_ManagedDictPointer(self));
return 0;
}
void
_PyObject_ClearManagedDict(PyObject *self)
{
PyTypeObject *tp = Py_TYPE(self);
if((tp->tp_flags & Py_TPFLAGS_MANAGED_DICT) == 0) {
return;
}
_PyObject_FreeInstanceAttributes(self);
*_PyObject_ValuesPointer(self) = NULL;
Py_CLEAR(*_PyObject_ManagedDictPointer(self));
}
PyObject *
PyObject_GenericGetDict(PyObject *obj, void *context)
{