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/*
* This file is part of libcxxsupport.
*
* libcxxsupport 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 2 of the License, or
* (at your option) any later version.
*
* libcxxsupport 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 libcxxsupport; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* libcxxsupport is being developed at the Max-Planck-Institut fuer Astrophysik
* and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
* (DLR).
*/
/*! \file error_handling.h
* Utilities for error reporting
*
* Copyright (C) 2003-2011 Max-Planck-Society
* Authors: Reinhard Hell, Martin Reinecke
*/
#ifndef PLANCK_ERROR_HANDLING_H
#define PLANCK_ERROR_HANDLING_H
#include <string>
#include <iostream>
#if defined (__GNUC__)
#define PLANCK_FUNC_NAME__ __PRETTY_FUNCTION__
#else
#define PLANCK_FUNC_NAME__ 0
#endif
void planck_failure__(const char *file, int line, const char *func,
const std::string &msg);
void planck_failure__(const char *file, int line, const char *func,
const char *msg);
void killjob__();
class PlanckError
{
private:
std::string msg;
public:
explicit PlanckError(const std::string &message);
explicit PlanckError(const char *message);
virtual const char* what() const
{ return msg.c_str(); }
virtual ~PlanckError();
};
/*! \defgroup errorgroup Error handling */
/*! \{ */
/*! Writes diagnostic output and exits with an error status. */
#define planck_fail(msg) \
do { planck_failure__(__FILE__,__LINE__,PLANCK_FUNC_NAME__,msg); \
throw PlanckError(msg); } while(0)
/*! Throws a PlanckError without diagnostic message. */
#define planck_fail_quietly(msg) \
do { throw PlanckError(msg); } while(0)
/*! Writes diagnostic output and exits with an error status if \a testval
is \a false. */
#define planck_assert(testval,msg) \
do { if (testval); else planck_fail(msg); } while(0)
/*! Macro for improving error diagnostics. Should be placed immediately
after the opening brace of \c main(). Must be used in conjunction with
\c PLANCK_DIAGNOSIS_END. */
#define PLANCK_DIAGNOSIS_BEGIN try {
/*! Macro for improving error diagnostics. Should be placed immediately
before the closing brace of \c main(). Must be used in conjunction with
\c PLANCK_DIAGNOSIS_BEGIN. */
#define PLANCK_DIAGNOSIS_END \
} \
catch (PlanckError &) \
{ killjob__(); /* no need for further diagnostics; they were shown already */ } \
catch (std::exception &e) \
{ std::cerr << "std::exception: " << e.what() << std::endl; killjob__(); } \
catch (...) \
{ std::cerr << "Unknown exception" << std::endl; killjob__(); }
/*! \} */
#endif
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