circuitpython/py/enum.h

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* SPDX-FileCopyrightText: Copyright (c) 2020 Jeff Epler for Adafruit Industries
*
* 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.
*/
#pragma once
#include "py/obj.h"
typedef struct {
mp_obj_base_t base;
int16_t value;
int16_t name;
} cp_enum_obj_t;
#define MAKE_ENUM_VALUE(type, prefix, name, value) \
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const cp_enum_obj_t prefix##_##name##_obj = { \
{ &type }, value, MP_QSTR_##name, \
}
#define MAKE_ENUM_MAP(name) \
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const mp_rom_map_elem_t name##_locals_table[] =
#define MAKE_ENUM_MAP_ENTRY(prefix, name) \
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{ MP_ROM_QSTR(MP_QSTR_##name), MP_ROM_PTR(&prefix##_##name##_obj) }
#define MAKE_PRINTER(module, typename) \
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STATIC void typename##_##print(const mp_print_t * print, mp_obj_t self_in, mp_print_kind_t kind) { \
cp_enum_obj_print_helper(MP_QSTR_##module, print, self_in, kind); \
}
#define MAKE_ENUM_TYPE(module, type, typename, ...) \
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MP_DEFINE_CONST_OBJ_TYPE(typename##_type, \
MP_QSTR_##type, \
0, \
print, typename##_print, \
locals_dict, &typename##_locals_dict, \
##__VA_ARGS__ \
)
mp_obj_t cp_enum_find(const mp_obj_type_t *type, int value);
int cp_enum_value(const mp_obj_type_t *type, mp_obj_t obj, qstr arg_name);
void cp_enum_obj_print_helper(uint16_t module, const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind);