119 lines
3.7 KiB
C
119 lines
3.7 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 <stdlib.h>
|
|
#include <assert.h>
|
|
|
|
#include "mpconfig.h"
|
|
#include "nlr.h"
|
|
#include "misc.h"
|
|
#include "qstr.h"
|
|
#include "obj.h"
|
|
#include "runtime.h"
|
|
|
|
#if MICROPY_PY_BUILTINS_PROPERTY
|
|
|
|
typedef struct _mp_obj_property_t {
|
|
mp_obj_base_t base;
|
|
mp_obj_t proxy[3]; // getter, setter, deleter
|
|
} mp_obj_property_t;
|
|
|
|
STATIC mp_obj_t property_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
|
|
mp_arg_check_num(n_args, n_kw, 0, 4, false);
|
|
|
|
mp_obj_property_t *o = m_new_obj(mp_obj_property_t);
|
|
o->base.type = &mp_type_property;
|
|
if (n_args >= 4) {
|
|
// doc ignored
|
|
}
|
|
if (n_args >= 3) {
|
|
o->proxy[2] = args[2];
|
|
} else {
|
|
o->proxy[2] = mp_const_none;
|
|
}
|
|
if (n_args >= 2) {
|
|
o->proxy[1] = args[1];
|
|
} else {
|
|
o->proxy[1] = mp_const_none;
|
|
}
|
|
if (n_args >= 1) {
|
|
o->proxy[0] = args[0];
|
|
} else {
|
|
o->proxy[0] = mp_const_none;
|
|
}
|
|
return o;
|
|
}
|
|
|
|
STATIC mp_obj_t property_getter(mp_obj_t self_in, mp_obj_t getter) {
|
|
mp_obj_property_t *p2 = m_new_obj(mp_obj_property_t);
|
|
*p2 = *(mp_obj_property_t*)self_in;
|
|
p2->proxy[0] = getter;
|
|
return p2;
|
|
}
|
|
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_2(property_getter_obj, property_getter);
|
|
|
|
STATIC mp_obj_t property_setter(mp_obj_t self_in, mp_obj_t setter) {
|
|
mp_obj_property_t *p2 = m_new_obj(mp_obj_property_t);
|
|
*p2 = *(mp_obj_property_t*)self_in;
|
|
p2->proxy[1] = setter;
|
|
return p2;
|
|
}
|
|
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_2(property_setter_obj, property_setter);
|
|
|
|
STATIC mp_obj_t property_deleter(mp_obj_t self_in, mp_obj_t deleter) {
|
|
mp_obj_property_t *p2 = m_new_obj(mp_obj_property_t);
|
|
*p2 = *(mp_obj_property_t*)self_in;
|
|
p2->proxy[2] = deleter;
|
|
return p2;
|
|
}
|
|
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_2(property_deleter_obj, property_deleter);
|
|
|
|
STATIC const mp_map_elem_t property_locals_dict_table[] = {
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_getter), (mp_obj_t)&property_getter_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_setter), (mp_obj_t)&property_setter_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_deleter), (mp_obj_t)&property_deleter_obj },
|
|
};
|
|
|
|
STATIC MP_DEFINE_CONST_DICT(property_locals_dict, property_locals_dict_table);
|
|
|
|
const mp_obj_type_t mp_type_property = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_property,
|
|
.make_new = property_make_new,
|
|
.locals_dict = (mp_obj_t)&property_locals_dict,
|
|
};
|
|
|
|
const mp_obj_t *mp_obj_property_get(mp_obj_t self_in) {
|
|
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_property));
|
|
mp_obj_property_t *self = self_in;
|
|
return self->proxy;
|
|
}
|
|
|
|
#endif // MICROPY_PY_BUILTINS_PROPERTY
|