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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015/6 Mark Shannon
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/runtime.h"
#include "lib/iters.h"
typedef struct _repeat_iterator_t {
mp_obj_base_t base;
mp_obj_t iterable;
mp_int_t index;
} repeat_iterator_t;
static mp_obj_t microbit_repeat_iter_next(mp_obj_t iter_in) {
repeat_iterator_t *iter = (repeat_iterator_t *)iter_in;
iter->index++;
if (iter->index >= mp_obj_get_int(mp_obj_len(iter->iterable))) {
iter->index = 0;
}
return mp_obj_subscr(iter->iterable, MP_OBJ_NEW_SMALL_INT(iter->index), MP_OBJ_SENTINEL);
}
const mp_obj_type_t microbit_repeat_iterator_type = {
{ &mp_type_type },
.name = MP_QSTR_iterator,
.print = NULL,
.make_new = NULL,
.call = NULL,
.unary_op = NULL,
.binary_op = NULL,
.attr = NULL,
.subscr = NULL,
.getiter = mp_identity_getiter,
.iternext = microbit_repeat_iter_next,
};
mp_obj_t microbit_repeat_iterator(mp_obj_t iterable) {
repeat_iterator_t *result = m_new_obj(repeat_iterator_t);
result->base.type = µbit_repeat_iterator_type;
result->iterable = iterable;
result->index = -1;
return result;
}
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