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py: Add iter_buf to getiter type method.

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Allows to iterate over the following without allocating on the heap:
- tuple
- list
- string, bytes
- bytearray, array
- dict (not dict.keys, dict.values, dict.items)
- set, frozenset

Allows to call the following without heap memory:
- all, any, min, max, sum

TODO: still need to allocate stack memory in bytecode for iter_buf.
This commit is contained in:
Damien George
2016-01-09 23:14:54 +00:00
parent 101886f529
commit ae8d867586
36 changed files with 162 additions and 106 deletions
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2
py/objtuple.h
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@@ -44,7 +44,7 @@ void mp_obj_tuple_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t
mp_obj_t mp_obj_tuple_unary_op(mp_uint_t op, mp_obj_t self_in);
mp_obj_t mp_obj_tuple_binary_op(mp_uint_t op, mp_obj_t lhs, mp_obj_t rhs);
mp_obj_t mp_obj_tuple_subscr(mp_obj_t base, mp_obj_t index, mp_obj_t value);
mp_obj_t mp_obj_tuple_getiter(mp_obj_t o_in);
mp_obj_t mp_obj_tuple_getiter(mp_obj_t o_in, mp_obj_iter_buf_t *iter_buf);
extern const mp_obj_type_t mp_type_attrtuple;