py/obj: Merge getiter and iternext mp_obj_type_t slots.

The goal here is to remove a slot (making way to turn make_new into a slot)
as well as reduce code size by the ~40 references to mp_identity_getiter
and mp_stream_unbuffered_iter.

This introduces two new type flags:
- MP_TYPE_FLAG_ITER_IS_ITERNEXT: This means that the "iter" slot in the
  type is "iternext", and should use the identity getiter.
- MP_TYPE_FLAG_ITER_IS_CUSTOM: This means that the "iter" slot is a pointer
  to a mp_getiter_iternext_custom_t instance, which then defines both
  getiter and iternext.

And a third flag that is the OR of both, MP_TYPE_FLAG_ITER_IS_STREAM: This
means that the type should use the identity getiter, and
mp_stream_unbuffered_iter as iternext.

Finally, MP_TYPE_FLAG_ITER_IS_GETITER is defined as a no-op flag to give
the default case where "iter" is "getiter".

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2022-09-16 23:57:38 +10:00
committed by Damien George
parent 3c6127dfcf
commit 6da41b5900
54 changed files with 234 additions and 227 deletions

View File

@@ -32,7 +32,7 @@
#include "py/runtime.h"
// type check is done on getiter method to allow tuple, namedtuple, attrtuple
#define mp_obj_is_tuple_compatible(o) (MP_OBJ_TYPE_GET_SLOT_OR_NULL(mp_obj_get_type(o), getiter) == mp_obj_tuple_getiter)
#define mp_obj_is_tuple_compatible(o) (MP_OBJ_TYPE_GET_SLOT_OR_NULL(mp_obj_get_type(o), iter) == mp_obj_tuple_getiter)
/******************************************************************************/
/* tuple */
@@ -111,7 +111,7 @@ STATIC mp_obj_t tuple_cmp_helper(mp_uint_t op, mp_obj_t self_in, mp_obj_t anothe
mp_check_self(mp_obj_is_tuple_compatible(self_in));
const mp_obj_type_t *another_type = mp_obj_get_type(another_in);
mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
if (MP_OBJ_TYPE_GET_SLOT_OR_NULL(another_type, getiter) != mp_obj_tuple_getiter) {
if (MP_OBJ_TYPE_GET_SLOT_OR_NULL(another_type, iter) != mp_obj_tuple_getiter) {
// Slow path for user subclasses
another_in = mp_obj_cast_to_native_base(another_in, MP_OBJ_FROM_PTR(&mp_type_tuple));
if (another_in == MP_OBJ_NULL) {
@@ -227,13 +227,13 @@ STATIC MP_DEFINE_CONST_DICT(tuple_locals_dict, tuple_locals_dict_table);
MP_DEFINE_CONST_OBJ_TYPE(
mp_type_tuple,
MP_QSTR_tuple,
MP_TYPE_FLAG_NONE,
MP_TYPE_FLAG_ITER_IS_GETITER,
mp_obj_tuple_make_new,
print, mp_obj_tuple_print,
unary_op, mp_obj_tuple_unary_op,
binary_op, mp_obj_tuple_binary_op,
subscr, mp_obj_tuple_subscr,
getiter, mp_obj_tuple_getiter,
iter, mp_obj_tuple_getiter,
locals_dict, &tuple_locals_dict
);