root/myassert.hh

/*  This file is part of Alue, the multiprotocol Internet discussion daemon

    Copyright © 2009 Antti-Juhani Kaijanaho

    Alue 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.

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

 */

#ifndef GUARD_MYASSERT_HH
#define GUARD_MYASSERT_HH

#include <exception>

#define myassert(x) myassert_1(x,__LINE__)
#define myassert_1(x,li) myassert_2(x,li)
#define myassert_2(x,li) do {                                              \
                if(!(x))                                                \
                        throw assertion_failure(__FILE__ ":" #li        \
                                                ": myassertion failure: " \
                                                #x);                    \
        } while (0)

#define not_reached not_reached_1(__LINE__)
#define not_reached_1(li) not_reached_2(li)
#define not_reached_2(li) do {                                           \
                        throw assertion_failure(__FILE__ ":" #li        \
                                                ": internal error");     \
        } while (0)

class assertion_failure : public std::exception
{
        const char *s;
public:
        assertion_failure(const char *s) : s(s) {}
        ~assertion_failure() throw () {}
        const char *what() const throw() { return s; }
};

#endif /* GUARD_MYASSERT_HH */