micropython/py/objbool.c

101 wiersze
3.1 KiB
C

/*
* 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 "py/runtime.h"
#if MICROPY_OBJ_IMMEDIATE_OBJS
#define BOOL_VALUE(o) ((o) == mp_const_false ? 0 : 1)
#else
#define BOOL_VALUE(o) (((mp_obj_bool_t *)MP_OBJ_TO_PTR(o))->value)
typedef struct _mp_obj_bool_t {
mp_obj_base_t base;
bool value;
} mp_obj_bool_t;
#endif
STATIC void bool_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
bool value = BOOL_VALUE(self_in);
if (MICROPY_PY_UJSON && kind == PRINT_JSON) {
if (value) {
mp_print_str(print, "true");
} else {
mp_print_str(print, "false");
}
} else {
if (value) {
mp_print_str(print, "True");
} else {
mp_print_str(print, "False");
}
}
}
STATIC mp_obj_t bool_make_new(const mp_obj_type_t *type_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
(void)type_in;
mp_arg_check_num(n_args, n_kw, 0, 1, false);
if (n_args == 0) {
return mp_const_false;
} else {
return mp_obj_new_bool(mp_obj_is_true(args[0]));
}
}
STATIC mp_obj_t bool_unary_op(mp_unary_op_t op, mp_obj_t o_in) {
if (op == MP_UNARY_OP_LEN) {
return MP_OBJ_NULL;
}
bool value = BOOL_VALUE(o_in);
return mp_unary_op(op, MP_OBJ_NEW_SMALL_INT(value));
}
STATIC mp_obj_t bool_binary_op(mp_binary_op_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
bool value = BOOL_VALUE(lhs_in);
return mp_binary_op(op, MP_OBJ_NEW_SMALL_INT(value), rhs_in);
}
const mp_obj_type_t mp_type_bool = {
{ &mp_type_type },
.flags = MP_TYPE_FLAG_EQ_CHECKS_OTHER_TYPE, // can match all numeric types
.name = MP_QSTR_bool,
.print = bool_print,
.make_new = bool_make_new,
.unary_op = bool_unary_op,
.binary_op = bool_binary_op,
};
#if !MICROPY_OBJ_IMMEDIATE_OBJS
const mp_obj_bool_t mp_const_false_obj = {{&mp_type_bool}, false};
const mp_obj_bool_t mp_const_true_obj = {{&mp_type_bool}, true};
#endif