ee7a880d6e
Updated functions now do proper checking that n_kw==0, and are simpler because they don't have to explicitly raise an exception. Down side is that the error messages no longer include the function name, but that's acceptable. Saves order 300 text bytes on x64 and ARM.
119 lines
3.7 KiB
C
119 lines
3.7 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) 2013, 2014 Damien P. George
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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 <stdlib.h>
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#include <assert.h>
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#include "mpconfig.h"
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#include "nlr.h"
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#include "misc.h"
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#include "qstr.h"
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#include "obj.h"
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#include "runtime.h"
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#if MICROPY_ENABLE_PROPERTY
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typedef struct _mp_obj_property_t {
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mp_obj_base_t base;
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mp_obj_t proxy[3]; // getter, setter, deleter
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} mp_obj_property_t;
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STATIC mp_obj_t property_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 0, 4, false);
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mp_obj_property_t *o = m_new_obj(mp_obj_property_t);
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o->base.type = &mp_type_property;
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if (n_args >= 4) {
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// doc ignored
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}
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if (n_args >= 3) {
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o->proxy[2] = args[2];
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} else {
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o->proxy[2] = mp_const_none;
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}
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if (n_args >= 2) {
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o->proxy[1] = args[1];
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} else {
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o->proxy[1] = mp_const_none;
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}
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if (n_args >= 1) {
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o->proxy[0] = args[0];
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} else {
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o->proxy[0] = mp_const_none;
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}
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return o;
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}
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STATIC mp_obj_t property_getter(mp_obj_t self_in, mp_obj_t getter) {
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mp_obj_property_t *p2 = m_new_obj(mp_obj_property_t);
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*p2 = *(mp_obj_property_t*)self_in;
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p2->proxy[0] = getter;
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return p2;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(property_getter_obj, property_getter);
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STATIC mp_obj_t property_setter(mp_obj_t self_in, mp_obj_t setter) {
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mp_obj_property_t *p2 = m_new_obj(mp_obj_property_t);
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*p2 = *(mp_obj_property_t*)self_in;
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p2->proxy[1] = setter;
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return p2;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(property_setter_obj, property_setter);
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STATIC mp_obj_t property_deleter(mp_obj_t self_in, mp_obj_t deleter) {
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mp_obj_property_t *p2 = m_new_obj(mp_obj_property_t);
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*p2 = *(mp_obj_property_t*)self_in;
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p2->proxy[2] = deleter;
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return p2;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(property_deleter_obj, property_deleter);
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STATIC const mp_map_elem_t property_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_getter), (mp_obj_t)&property_getter_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_setter), (mp_obj_t)&property_setter_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_deleter), (mp_obj_t)&property_deleter_obj },
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};
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STATIC MP_DEFINE_CONST_DICT(property_locals_dict, property_locals_dict_table);
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const mp_obj_type_t mp_type_property = {
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{ &mp_type_type },
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.name = MP_QSTR_property,
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.make_new = property_make_new,
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.locals_dict = (mp_obj_t)&property_locals_dict,
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};
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const mp_obj_t *mp_obj_property_get(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_property));
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mp_obj_property_t *self = self_in;
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return self->proxy;
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}
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#endif // MICROPY_ENABLE_PROPERTY
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