path: root/libdevcore/Assertions.h

/*
    This file is part of solidity.

    solidity 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.

    solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * @file Assertions.h
 * @author Christian <c@ethdev.com>
 * @date 2015
 *
 * Assertion handling.
 */

#pragma once

#include "Exceptions.h"

namespace dev
{

#if defined(_MSC_VER)
#define ETH_FUNC __FUNCSIG__
#elif defined(__GNUC__)
#define ETH_FUNC __PRETTY_FUNCTION__
#else
#define ETH_FUNC __func__
#endif

/// Assertion that throws an exception containing the given description if it is not met.
/// Use it as assertThrow(1 == 1, ExceptionType, "Mathematics is wrong.");
/// Do NOT supply an exception object as the second parameter.
#define assertThrow(_condition, _ExceptionType, _description) \
    do \
    { \
        if (!(_condition)) \
            ::boost::throw_exception( \
                _ExceptionType() << \
                ::dev::errinfo_comment(_description) << \
                ::boost::throw_function(ETH_FUNC) << \
                ::boost::throw_file(__FILE__) << \
                ::boost::throw_line(__LINE__) \
            ); \
    } \
    while (false)

}