paul@353 | 1 | /* Exception definitions. |
paul@353 | 2 | |
paul@807 | 3 | Copyright (C) 2016, 2017 Paul Boddie <paul@boddie.org.uk> |
paul@353 | 4 | |
paul@353 | 5 | This program is free software; you can redistribute it and/or modify it under |
paul@353 | 6 | the terms of the GNU General Public License as published by the Free Software |
paul@353 | 7 | Foundation; either version 3 of the License, or (at your option) any later |
paul@353 | 8 | version. |
paul@353 | 9 | |
paul@353 | 10 | This program is distributed in the hope that it will be useful, but WITHOUT |
paul@353 | 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
paul@353 | 12 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
paul@353 | 13 | details. |
paul@353 | 14 | |
paul@353 | 15 | You should have received a copy of the GNU General Public License along with |
paul@353 | 16 | this program. If not, see <http://www.gnu.org/licenses/>. |
paul@353 | 17 | */ |
paul@353 | 18 | |
paul@143 | 19 | #ifndef __EXCEPTIONS_H__ |
paul@143 | 20 | #define __EXCEPTIONS_H__ |
paul@143 | 21 | |
paul@143 | 22 | #include "cexcept.h" |
paul@143 | 23 | #include "types.h" |
paul@143 | 24 | |
paul@143 | 25 | /* Define the exception type. */ |
paul@143 | 26 | |
paul@143 | 27 | typedef struct |
paul@143 | 28 | { |
paul@143 | 29 | __attr arg; |
paul@807 | 30 | unsigned char raising:1; |
paul@807 | 31 | unsigned char raising_else:1; |
paul@807 | 32 | unsigned char completing:1; |
paul@143 | 33 | } __exc; |
paul@143 | 34 | |
paul@143 | 35 | define_exception_type(__exc); |
paul@143 | 36 | #undef define_exception_type |
paul@143 | 37 | |
paul@143 | 38 | extern struct __exception_context __the_exception_context[1]; |
paul@143 | 39 | |
paul@143 | 40 | /* More specific macros. */ |
paul@143 | 41 | |
paul@143 | 42 | #define __Raise(value) __Throw ((__exc) {value, 1, 0, 0}) |
paul@143 | 43 | #define __RaiseElse(value) __Throw ((__exc) {value, 0, 1, 0}) |
paul@143 | 44 | #define __Return(value) __Throw ((__exc) {value, 0, 0, 1}) |
paul@143 | 45 | #define __Complete __Throw((__exc) {__NULL, 0, 0, 1}) |
paul@143 | 46 | |
paul@143 | 47 | #endif /* __EXCEPTIONS_H__ */ |