6663b6c9
 adorian
projet complet av...
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* 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 <stdlib.h>
#include <assert.h>
#include "py/runtime.h"
typedef struct _mp_obj_map_t {
mp_obj_base_t base;
size_t n_iters;
mp_obj_t fun;
mp_obj_t iters[];
} mp_obj_map_t;
STATIC mp_obj_t map_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 2, MP_OBJ_FUN_ARGS_MAX, false);
mp_obj_map_t *o = m_new_obj_var(mp_obj_map_t, mp_obj_t, n_args - 1);
o->base.type = type;
o->n_iters = n_args - 1;
o->fun = args[0];
for (size_t i = 0; i < n_args - 1; i++) {
o->iters[i] = mp_getiter(args[i + 1], NULL);
}
return MP_OBJ_FROM_PTR(o);
}
STATIC mp_obj_t map_iternext(mp_obj_t self_in) {
mp_check_self(MP_OBJ_IS_TYPE(self_in, &mp_type_map));
mp_obj_map_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_t *nextses = m_new(mp_obj_t, self->n_iters);
for (size_t i = 0; i < self->n_iters; i++) {
mp_obj_t next = mp_iternext(self->iters[i]);
if (next == MP_OBJ_STOP_ITERATION) {
m_del(mp_obj_t, nextses, self->n_iters);
return MP_OBJ_STOP_ITERATION;
}
nextses[i] = next;
}
return mp_call_function_n_kw(self->fun, self->n_iters, 0, nextses);
}
const mp_obj_type_t mp_type_map = {
{ &mp_type_type },
.name = MP_QSTR_map,
.make_new = map_make_new,
.getiter = mp_identity_getiter,
.iternext = map_iternext,
};
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