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