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py: Convert mp_uint_t to size_t for tuple/list accessors.
This patch changes mp_uint_t to size_t for the len argument of the following public facing C functions: mp_obj_tuple_get mp_obj_list_get mp_obj_get_array These functions take a pointer to the len argument (to be filled in by the function) and callers of these functions should update their code so the type of len is changed to size_t. For ports that don't use nan-boxing there should be no change in generate code because the size of the type remains the same (word sized), and in a lot of cases there won't even be a compiler warning if the type remains as mp_uint_t. The reason for this change is to standardise on the use of size_t for variables that count memory (or memory related) sizes/lengths. It helps builds that use nan-boxing.
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@@ -513,7 +513,7 @@ STATIC mp_uint_t convert_obj_for_inline_asm(mp_obj_t obj) {
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#endif
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} else if (type == &mp_type_tuple || type == &mp_type_list) {
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// pointer to start of tuple (could pass length, but then could use len(x) for that)
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mp_uint_t len;
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size_t len;
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mp_obj_t *items;
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mp_obj_get_array(obj, &len, &items);
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return (mp_uint_t)items;
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