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Round 1 of Neil Schemenauer's GC patches:

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This patch adds the type methods traverse and clear necessary for GC
implementation.
This commit is contained in:
Jeremy Hylton 2000-06-23 14:18:11 +00:00
parent a392dcb211
commit 8caad49c30
6 changed files with 218 additions and 3 deletions
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19
Objects/tupleobject.c
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@ -420,6 +420,23 @@ tuplerepeat(a, n)
return (PyObject *) np;
}
static int
tupletraverse(PyTupleObject *o, visitproc visit, void *arg)
{
int i, err;
PyObject *x;
for (i = o->ob_size; --i >= 0; ) {
x = o->ob_item[i];
if (x != NULL) {
err = visit(x, arg);
if (err)
return err;
}
}
return 0;
}
static PySequenceMethods tuple_as_sequence = {
(inquiry)tuplelength, /*sq_length*/
(binaryfunc)tupleconcat, /*sq_concat*/
@ -453,6 +470,8 @@ PyTypeObject PyTuple_Type = {
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
0, /*tp_doc*/
(traverseproc)tupletraverse, /* tp_traverse */
};
/* The following function breaks the notion that tuples are immutable: