circuitpython/py/proto.h

45 lines
1.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 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.
*/
#ifndef MICROPY_INCLUDED_PY_PROTO_H
#define MICROPY_INCLUDED_PY_PROTO_H
#ifdef MICROPY_UNSAFE_PROTO
#define MP_PROTOCOL_HEAD /* NOTHING */
#define MP_PROTO_IMPLEMENT(name) /* NOTHING */
static inline void *mp_proto_get(uint16_t name, mp_const_obj_type_t obj) {
return mp_type_get_protocol_slot(mp_obj_get_type(obj));
}
#else
#define MP_PROTOCOL_HEAD \
uint16_t name; // The name of this protocol, a qstr
#define MP_PROTO_IMPLEMENT(n) .name = n,
const void *mp_proto_get(uint16_t name, mp_const_obj_t obj);
const void *mp_proto_get_or_throw(uint16_t name, mp_const_obj_t obj);
#endif
#endif