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objlist: Implement support for arbitrary (3-arg) slices.

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This commit is contained in:
Paul Sokolovsky
2014-05-25 22:12:56 +03:00
parent de4b9329f9
commit 5fd5af98d0
7 changed files with 33 additions and 6 deletions
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3
py/objtuple.c
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@@ -165,7 +165,8 @@ mp_obj_t mp_obj_tuple_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
if (MP_OBJ_IS_TYPE(index, &mp_type_slice)) {
mp_bound_slice_t slice;
if (!mp_seq_get_fast_slice_indexes(self->len, index, &slice)) {
assert(0);
nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
"Only slices with step=1 (aka None) are supported"));
}
mp_obj_tuple_t *res = mp_obj_new_tuple(slice.stop - slice.start, NULL);
mp_seq_copy(res->items, self->items + slice.start, res->len, mp_obj_t);