solidity/libsolutil/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 <libsolutil/Exceptions.h>

namespace solidity::util
{

#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() << \
				::solidity::util::errinfo_comment(_description) << \
				::boost::throw_function(ETH_FUNC) << \
				::boost::throw_file(__FILE__) << \
				::boost::throw_line(__LINE__) \
			); \
	} \
	while (false)

}