1 /*
2  * This file is part of the MicroPython project, http://micropython.org/
3  *
4  * The MIT License (MIT)
5  *
6  * Copyright (c) 2014 Damien P. George
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a copy
9  * of this software and associated documentation files (the "Software"), to deal
10  * in the Software without restriction, including without limitation the rights
11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12  * copies of the Software, and to permit persons to whom the Software is
13  * furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24  * THE SOFTWARE.
25  */
26 #ifndef MICROPY_INCLUDED_PY_OBJEXCEPT_H
27 #define MICROPY_INCLUDED_PY_OBJEXCEPT_H
28 
29 #include "py/obj.h"
30 #include "py/objtuple.h"
31 
32 typedef struct _mp_obj_exception_t {
33     mp_obj_base_t base;
34     size_t traceback_alloc : (8 * sizeof(size_t) / 2);
35     size_t traceback_len : (8 * sizeof(size_t) / 2);
36     size_t *traceback_data;
37     mp_obj_tuple_t *args;
38 } mp_obj_exception_t;
39 
40 void mp_obj_exception_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind);
41 void mp_obj_exception_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest);
42 
43 #define MP_DEFINE_EXCEPTION(exc_name, base_name) \
44     const mp_obj_type_t mp_type_##exc_name = { \
45         { &mp_type_type }, \
46         .name = MP_QSTR_##exc_name, \
47         .print = mp_obj_exception_print, \
48         .make_new = mp_obj_exception_make_new, \
49         .attr = mp_obj_exception_attr, \
50         .parent = &mp_type_##base_name, \
51     };
52 
53 #endif // MICROPY_INCLUDED_PY_OBJEXCEPT_H
54