Lichen

templates/exceptions.h

932:c07b0dd14f85
7 months ago Paul Boddie Moved integer instantiation support to library functions.
     1 /* Exception definitions.     2      3 Copyright (C) 2016, 2017 Paul Boddie <paul@boddie.org.uk>     4      5 This program is free software; you can redistribute it and/or modify it under     6 the terms of the GNU General Public License as published by the Free Software     7 Foundation; either version 3 of the License, or (at your option) any later     8 version.     9     10 This program is distributed in the hope that it will be useful, but WITHOUT    11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS    12 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more    13 details.    14     15 You should have received a copy of the GNU General Public License along with    16 this program.  If not, see <http://www.gnu.org/licenses/>.    17 */    18     19 #ifndef __EXCEPTIONS_H__    20 #define __EXCEPTIONS_H__    21     22 #include "cexcept.h"    23 #include "types.h"    24     25 /* Define the exception type. */    26     27 typedef struct    28 {    29     __attr arg;    30     unsigned char raising:1;    31     unsigned char raising_else:1;    32     unsigned char completing:1;    33 } __exc;    34     35 define_exception_type(__exc);    36 #undef define_exception_type    37     38 extern struct __exception_context __the_exception_context[1];    39     40 /* More specific macros. */    41     42 #define __Raise(value) __Throw ((__exc) {value, 1, 0, 0})    43 #define __RaiseElse(value) __Throw ((__exc) {value, 0, 1, 0})    44 #define __Return(value) __Throw ((__exc) {value, 0, 0, 1})    45 #define __Complete __Throw((__exc) {__NULL, 0, 0, 1})    46     47 #endif /* __EXCEPTIONS_H__ */