/* Exception definitions.

Copyright (C) 2016 Paul Boddie <paul@boddie.org.uk>

This program is free software; you can redistribute it and/or modify it under

the terms of the GNU General Public License as published by the Free Software

Foundation; either version 3 of the License, or (at your option) any later

version.

This program is distributed in the hope that it will be useful, but WITHOUT

ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

details.

You should have received a copy of the GNU General Public License along with

this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef __EXCEPTIONS_H__

#define __EXCEPTIONS_H__

#include "cexcept.h"

#include "types.h"

/* Define the exception type. */

typedef struct

{

    __attr arg;

    int raising;

    int raising_else;

    int completing;

} __exc;

define_exception_type(__exc);

#undef define_exception_type

extern struct __exception_context __the_exception_context[1];

/* More specific macros. */

#define __Raise(value) __Throw ((__exc) {value, 1, 0, 0})

#define __RaiseElse(value) __Throw ((__exc) {value, 0, 1, 0})

#define __Return(value) __Throw ((__exc) {value, 0, 0, 1})

#define __Complete __Throw((__exc) {__NULL, 0, 0, 1})

#endif /* __EXCEPTIONS_H__ */