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py: Use polymorphic iterator type where possible to reduce code size.

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Only types whose iterator instances still fit in 4 machine words have
been changed to use the polymorphic iterator.

Reduces Thumb2 arch code size by 264 bytes.
This commit is contained in:
Damien George
2016-01-03 16:27:55 +00:00
parent 17f324b836
commit 8212d97317
6 changed files with 20 additions and 57 deletions
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11
py/objstrunicode.c
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@@ -267,6 +267,7 @@ const mp_obj_type_t mp_type_str = {
typedef struct _mp_obj_str_it_t {
mp_obj_base_t base;
mp_fun_1_t iternext;
mp_obj_t str;
mp_uint_t cur;
} mp_obj_str_it_t;
@@ -285,16 +286,10 @@ STATIC mp_obj_t str_it_iternext(mp_obj_t self_in) {
}
}
STATIC const mp_obj_type_t mp_type_str_it = {
{ &mp_type_type },
.name = MP_QSTR_iterator,
.getiter = mp_identity,
.iternext = str_it_iternext,
};
STATIC mp_obj_t mp_obj_new_str_iterator(mp_obj_t str) {
mp_obj_str_it_t *o = m_new_obj(mp_obj_str_it_t);
o->base.type = &mp_type_str_it;
o->base.type = &mp_type_polymorph_iter;
o->iternext = str_it_iternext;
o->str = str;
o->cur = 0;
return MP_OBJ_FROM_PTR(o);