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100 lines
3 KiB
C++
100 lines
3 KiB
C++
/*
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* This file is part of libcxxsupport.
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*
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* libcxxsupport is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* libcxxsupport is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libcxxsupport; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* libcxxsupport is being developed at the Max-Planck-Institut fuer Astrophysik
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* and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
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* (DLR).
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*/
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/*
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* Utilities for error reporting
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*
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* Copyright (C) 2003 - 2010 Max-Planck-Society
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* Authors: Reinhard Hell, Martin Reinecke
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*/
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#ifndef PLANCK_ERROR_HANDLING_H
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#define PLANCK_ERROR_HANDLING_H
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#include <string>
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#include <iostream>
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#if defined (__GNUC__)
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#define PLANCK_FUNC_NAME__ __PRETTY_FUNCTION__
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#else
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#define PLANCK_FUNC_NAME__ 0
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#endif
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void planck_failure__(const char *file, int line, const char *func,
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const std::string &msg);
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void planck_failure__(const char *file, int line, const char *func,
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const char *msg);
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void killjob__();
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class PlanckError
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{
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private:
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std::string msg;
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public:
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explicit PlanckError(const std::string &message);
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explicit PlanckError(const char *message);
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virtual const char* what() const
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{ return msg.c_str(); }
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virtual ~PlanckError() {}
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};
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/*! \defgroup errorgroup Error handling */
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/*! \{ */
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/*! Writes diagnostic output and exits with an error status. */
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#define planck_fail(msg) \
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do { planck_failure__(__FILE__,__LINE__,PLANCK_FUNC_NAME__,msg); \
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throw PlanckError(msg); } while(0)
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/*! Throws a PlanckError without diagnostic message. */
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#define planck_fail_quietly(msg) \
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do { throw PlanckError(msg); } while(0)
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/*! Writes diagnostic output and exits with an error status if \a testval
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is \a false. */
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#define planck_assert(testval,msg) \
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do { if (testval); else planck_fail(msg); } while(0)
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/*! Macro for improving error diagnostics. Should be placed immediately
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after the opening brace of \c main(). Must be used in conjunction with
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\c PLANCK_DIAGNOSIS_END. */
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#define PLANCK_DIAGNOSIS_BEGIN try {
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/*! Macro for improving error diagnostics. Should be placed immediately
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before the closing brace of \c main(). Must be used in conjunction with
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\c PLANCK_DIAGNOSIS_BEGIN. */
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#define PLANCK_DIAGNOSIS_END \
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} \
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catch (PlanckError &) \
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{ killjob__(); /* no need for further diagnostics; they were shown already */ } \
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catch (std::exception &e) \
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{ std::cerr << "std::exception: " << e.what() << std::endl; killjob__(); } \
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catch (...) \
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{ std::cerr << "Unknown exception" << std::endl; killjob__(); }
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/*! \} */
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#endif
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