17     seqiterobject *it;  in PySeqIter_New()  local
23     it = PyObject_GC_New(seqiterobject, &PySeqIter_Type);  in PySeqIter_New()
24     if (it == NULL)  in PySeqIter_New()
26     it->it_index = 0;  in PySeqIter_New()
28     it->it_seq = seq;  in PySeqIter_New()
29     _PyObject_GC_TRACK(it);  in PySeqIter_New()
30     return (PyObject *)it;  in PySeqIter_New()
34 iter_dealloc(seqiterobject *it)  in iter_dealloc()  argument
36     _PyObject_GC_UNTRACK(it);  in iter_dealloc()
37     Py_XDECREF(it->it_seq);  in iter_dealloc()
38     PyObject_GC_Del(it);  in iter_dealloc()
42 iter_traverse(seqiterobject *it, visitproc visit, void *arg)  in iter_traverse()  argument
44     Py_VISIT(it->it_seq);  in iter_traverse()
51     seqiterobject *it;  in iter_iternext()  local
56     it = (seqiterobject *)iterator;  in iter_iternext()
57     seq = it->it_seq;  in iter_iternext()
60     if (it->it_index == PY_SSIZE_T_MAX) {  in iter_iternext()
66     result = PySequence_GetItem(seq, it->it_index);  in iter_iternext()
68         it->it_index++;  in iter_iternext()
75         it->it_seq = NULL;  in iter_iternext()
82 iter_len(seqiterobject *it, PyObject *Py_UNUSED(ignored))  in iter_len()  argument
86     if (it->it_seq) {  in iter_len()
87         if (_PyObject_HasLen(it->it_seq)) {  in iter_len()
88             seqsize = PySequence_Size(it->it_seq);  in iter_len()
95         len = seqsize - it->it_index;  in iter_len()
105 iter_reduce(seqiterobject *it, PyObject *Py_UNUSED(ignored))  in iter_reduce()  argument
107     if (it->it_seq != NULL)  in iter_reduce()
109                              it->it_seq, it->it_index);  in iter_reduce()
117 iter_setstate(seqiterobject *it, PyObject *state)  in iter_setstate()  argument
122     if (it->it_seq != NULL) {  in iter_setstate()
125         it->it_index = index;  in iter_setstate()
183     calliterobject *it;  in PyCallIter_New()  local
184     it = PyObject_GC_New(calliterobject, &PyCallIter_Type);  in PyCallIter_New()
185     if (it == NULL)  in PyCallIter_New()
188     it->it_callable = callable;  in PyCallIter_New()
190     it->it_sentinel = sentinel;  in PyCallIter_New()
191     _PyObject_GC_TRACK(it);  in PyCallIter_New()
192     return (PyObject *)it;  in PyCallIter_New()
195 calliter_dealloc(calliterobject *it)  in calliter_dealloc()  argument
197     _PyObject_GC_UNTRACK(it);  in calliter_dealloc()
198     Py_XDECREF(it->it_callable);  in calliter_dealloc()
199     Py_XDECREF(it->it_sentinel);  in calliter_dealloc()
200     PyObject_GC_Del(it);  in calliter_dealloc()
204 calliter_traverse(calliterobject *it, visitproc visit, void *arg)  in calliter_traverse()  argument
206     Py_VISIT(it->it_callable);  in calliter_traverse()
207     Py_VISIT(it->it_sentinel);  in calliter_traverse()
212 calliter_iternext(calliterobject *it)  in calliter_iternext()  argument
216     if (it->it_callable == NULL) {  in calliter_iternext()
220     result = _PyObject_CallNoArg(it->it_callable);  in calliter_iternext()
224         ok = PyObject_RichCompareBool(it->it_sentinel, result, Py_EQ);  in calliter_iternext()
231             Py_CLEAR(it->it_callable);  in calliter_iternext()
232             Py_CLEAR(it->it_sentinel);  in calliter_iternext()
237         Py_CLEAR(it->it_callable);  in calliter_iternext()
238         Py_CLEAR(it->it_sentinel);  in calliter_iternext()
244 calliter_reduce(calliterobject *it, PyObject *Py_UNUSED(ignored))  in calliter_reduce()  argument
246     if (it->it_callable != NULL && it->it_sentinel != NULL)  in calliter_reduce()
248                              it->it_callable, it->it_sentinel);  in calliter_reduce()