91 lines
3.2 KiB
C
91 lines
3.2 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 "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 "runtime0.h"
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#include "runtime.h"
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typedef struct _mp_obj_bool_t {
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mp_obj_base_t base;
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bool value;
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} mp_obj_bool_t;
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STATIC void bool_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
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mp_obj_bool_t *self = self_in;
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if (self->value) {
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print(env, "True");
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} else {
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print(env, "False");
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}
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}
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STATIC mp_obj_t bool_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
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// TODO check n_kw == 0
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switch (n_args) {
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case 0: return mp_const_false;
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case 1: if (mp_obj_is_true(args[0])) { return mp_const_true; } else { return mp_const_false; }
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default: nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "bool takes at most 1 argument, %d given", n_args));
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}
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}
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STATIC mp_obj_t bool_unary_op(int op, mp_obj_t o_in) {
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machine_int_t value = ((mp_obj_bool_t*)o_in)->value;
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switch (op) {
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case MP_UNARY_OP_BOOL: return o_in;
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case MP_UNARY_OP_POSITIVE: return MP_OBJ_NEW_SMALL_INT(value);
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case MP_UNARY_OP_NEGATIVE: return MP_OBJ_NEW_SMALL_INT(-value);
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case MP_UNARY_OP_INVERT:
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default: // no other cases
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return MP_OBJ_NEW_SMALL_INT(~value);
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}
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}
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STATIC mp_obj_t bool_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
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if (MP_BINARY_OP_OR <= op && op <= MP_BINARY_OP_NOT_EQUAL) {
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return mp_binary_op(op, MP_OBJ_NEW_SMALL_INT((machine_int_t)mp_obj_is_true(lhs_in)), rhs_in);
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}
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return MP_OBJ_NOT_SUPPORTED;
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}
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const mp_obj_type_t mp_type_bool = {
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{ &mp_type_type },
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.name = MP_QSTR_bool,
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.print = bool_print,
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.make_new = bool_make_new,
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.unary_op = bool_unary_op,
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.binary_op = bool_binary_op,
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};
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const mp_obj_bool_t mp_const_false_obj = {{&mp_type_bool}, false};
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const mp_obj_bool_t mp_const_true_obj = {{&mp_type_bool}, true};
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