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/*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
/**
* \file assert.hpp
* \brief Some assert macros to strengthen you code.
* \author Julien Jorge
*/
#ifndef __CLAW_ASSERT_HPP__
#define __CLAW_ASSERT_HPP__
#include <iostream>
#include <sstream>
#include <cstdlib>
/**
* \fn CLAW_ASSERT( b, s )
* \brief Print a message on std::cerr and stop the program if a condition is
* not true.
* \param b Condition to verify.
* \param s An error message.
*/
/**
* \fn CLAW_FAIL( s )
* \brief Print a message on std::cerr and stop the program.
* \param s An error message.
*/
/**
* \fn CLAW_PRECOND( b )
* \brief Abort the program if a precondition is not true.
* \param b Condition to verify.
*/
/**
* \fn CLAW_POSTCOND( b )
* \brief Abort the program if a postcondition is not true.
* \param b Condition to verify.
*/
#ifndef NDEBUG
namespace claw
{
/*-------------------------------------------------------------------------*/
/**
* \brief The method used by CLAW_ASSERT macro. Souldn't be used elsewhere.
* \param file The file where the error is produced.
* \param func The name of the current function.
* \param line The line where the error is produced.
* \param b A boolean condition to verify.
* \param s Message printed if b is not verified.
*/
inline void debug_assert( const char* file, const char* func,
unsigned int line, bool b, const std::string& s )
{
if ( !(b) )
{
std::cerr << file << ":" << line << "\n\t"
<< func << " : assertion failed\n\t" << s << std::endl;
#ifndef CLAW_SOFT_ASSERT
abort();
#endif
}
} // claw::debug_assert()
} // namespace claw
/*---------------------------------------------------------------------------*/
#define CLAW_ASSERT( b, s ) \
claw::debug_assert( __FILE__, __FUNCTION__, __LINE__, (b), (s) )
/*---------------------------------------------------------------------------*/
#define CLAW_FAIL( s ) \
claw::debug_assert( __FILE__, __FUNCTION__, __LINE__, false, (s) )
/*---------------------------------------------------------------------------*/
#define CLAW_PRECOND( b ) CLAW_ASSERT( b, "precondition failed: " #b )
/*---------------------------------------------------------------------------*/
#define CLAW_POSTCOND( b ) CLAW_ASSERT( b, "postcondition failed: " #b )
#else // def NDEBUG
#define CLAW_ASSERT( b, s )
#define CLAW_FAIL( s )
#define CLAW_PRECOND( b )
#define CLAW_POSTCOND( b )
#endif // NDEBUG
#endif // __CLAW_ASSERT_HPP__
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