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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paul Sokolovsky
*
* 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 "py/runtime.h"
// This is universal iterator type which calls "iternext" method stored in
// particular object instance. (So, each instance of this time can have its
// own iteration behavior.) Having this type saves to define type objects
// for various internal iterator objects.
// Any instance should have these 2 fields at the beginning
typedef struct _mp_obj_polymorph_iter_t {
mp_obj_base_t base;
mp_fun_1_t iternext;
} mp_obj_polymorph_iter_t;
STATIC mp_obj_t polymorph_it_iternext(mp_obj_t self_in) {
mp_obj_polymorph_iter_t *self = MP_OBJ_TO_PTR(self_in);
// Redirect call to object instance's iternext method
return self->iternext(self_in);
}
const mp_obj_type_t mp_type_polymorph_iter = {
{ &mp_type_type },
.name = MP_QSTR_iterator,
.getiter = mp_identity_getiter,
.iternext = polymorph_it_iternext,
};
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