errormacro.hh

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/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
 *
 * MIA 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 MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef mia_core_errormacro_hh
#define mia_core_errormacro_hh


#include <iostream>
#include <sstream>
#include <cassert>
#include <stdexcept>
#include <mia/core/defines.hh>


NS_MIA_BEGIN

#if defined(HAVE_CXXABI_H) && defined(HAVE_EXEINFO_H)
void append_stacktrace(ostream& os); 
#endif 

template <typename V>
void __append_message(std::ostream& os, const V& v)
{
        os << v; 
}

inline void __append_message(std::ostream& MIA_PARAM_UNUSED(os))
{
}

template <typename V, typename... T>
void __append_message(std::ostream& os, const V& v, T ...t)
{
        os << v; 
        ::mia::__append_message(os, t...); 
}

template <typename... T>
const std::string __create_message(T ...t)
{
        std::stringstream msg; 
        ::mia::__append_message(msg, t...);
#if defined(HAVE_CXXABI_H) && defined(HAVE_EXEINFO_H)
        append_stacktrace(msg); 
#endif  
        return msg.str(); 
}

template <typename E, typename... T>
E create_exception( T ...t )
{
        return E(::mia::__create_message(t...)); 
}

#ifdef NDEBUG

#define DEBUG_ASSERT_RELEASE_THROW(cond, msg... )       \
        if (!(cond)) {                                  \
                throw ::mia::create_exception<std::logic_error>(msg);   \
        }
#else
#define DEBUG_ASSERT_RELEASE_THROW(cond, msg... )                       \
        if (!(cond)) {                                                  \
                std::cerr << "Assertion failed: \'" #cond  << "\' " <<  \
                        __FILE__ << ":" << __LINE__ << " "              \
                          << ::mia::__create_message(msg) << "\n";      \
                        abort();                                        \
        }
#endif 

NS_MIA_END

#endif