micropython/py/objcell.c

72 lines
2.4 KiB
C

/*
* This file is part of the Micro Python 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 "py/obj.h"
typedef struct _mp_obj_cell_t {
mp_obj_base_t base;
mp_obj_t obj;
} mp_obj_cell_t;
mp_obj_t mp_obj_cell_get(mp_obj_t self_in) {
mp_obj_cell_t *self = MP_OBJ_TO_PTR(self_in);
return self->obj;
}
void mp_obj_cell_set(mp_obj_t self_in, mp_obj_t obj) {
mp_obj_cell_t *self = MP_OBJ_TO_PTR(self_in);
self->obj = obj;
}
#if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_DETAILED
STATIC void cell_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_cell_t *o = MP_OBJ_TO_PTR(o_in);
mp_printf(print, "<cell %p ", o->obj);
if (o->obj == MP_OBJ_NULL) {
mp_print_str(print, "(nil)");
} else {
mp_obj_print_helper(print, o->obj, PRINT_REPR);
}
mp_print_str(print, ">");
}
#endif
STATIC const mp_obj_type_t mp_type_cell = {
{ &mp_type_type },
.name = MP_QSTR_, // cell representation is just value in < >
#if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_DETAILED
.print = cell_print,
#endif
};
mp_obj_t mp_obj_new_cell(mp_obj_t obj) {
mp_obj_cell_t *o = m_new_obj(mp_obj_cell_t);
o->base.type = &mp_type_cell;
o->obj = obj;
return MP_OBJ_FROM_PTR(o);
}