//
// Copyright 2011 Ettus Research LLC
//
// 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/>.
//

#include <uhd/exception.hpp>
#include <boost/functional/hash.hpp>
#include <boost/format.hpp>

using namespace uhd;

static unsigned make_code(const std::string &name){
    boost::hash<std::string> string_hash;
    return unsigned(string_hash(name) & 0xfff);
};

exception::exception(const std::string &what):
    std::runtime_error(what){/* NOP */}

#define make_exception_impl(name, class, base) \
    class::class(const std::string &what): \
        base(str(boost::format("%s: %s") % name % what)){} \
    unsigned class::code(void) const{return make_code(#class);}

make_exception_impl("AssertionError",        assertion_error,         exception)
make_exception_impl("LookupError",           lookup_error,            exception)
make_exception_impl("IndexError",            index_error,             lookup_error)
make_exception_impl("KeyError",              key_error,               lookup_error)
make_exception_impl("TypeError",             type_error,              exception)
make_exception_impl("ValueError",            value_error,             exception)
make_exception_impl("RuntimeError",          runtime_error,           exception)
make_exception_impl("NotImplementedError",   not_implemented_error,   runtime_error)
make_exception_impl("EnvironmentError",      environment_error,       exception)
make_exception_impl("IOError",               io_error,                environment_error)
make_exception_impl("OSError",               os_error,                environment_error)
make_exception_impl("SystemError",           system_error,            exception)