| 1 | //FJSTARTHEADER
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| 2 | // $Id: Error.cc 3433 2014-07-23 08:17:03Z salam $
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| 3 | //
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| 4 | // Copyright (c) 2005-2014, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
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| 5 | //
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| 6 | //----------------------------------------------------------------------
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| 7 | // This file is part of FastJet.
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| 8 | //
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| 9 | // FastJet is free software; you can redistribute it and/or modify
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| 10 | // it under the terms of the GNU General Public License as published by
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| 11 | // the Free Software Foundation; either version 2 of the License, or
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| 12 | // (at your option) any later version.
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| 13 | //
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| 14 | // The algorithms that underlie FastJet have required considerable
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| 15 | // development. They are described in the original FastJet paper,
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| 16 | // hep-ph/0512210 and in the manual, arXiv:1111.6097. If you use
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| 17 | // FastJet as part of work towards a scientific publication, please
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| 18 | // quote the version you use and include a citation to the manual and
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| 19 | // optionally also to hep-ph/0512210.
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| 20 | //
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| 21 | // FastJet is distributed in the hope that it will be useful,
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| 22 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 23 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 24 | // GNU General Public License for more details.
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| 25 | //
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| 26 | // You should have received a copy of the GNU General Public License
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| 27 | // along with FastJet. If not, see <http://www.gnu.org/licenses/>.
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| 28 | //----------------------------------------------------------------------
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| 29 | //FJENDHEADER
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| 30 |
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| 31 | #include "fastjet/Error.hh"
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| 32 | #include "fastjet/config.h"
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| 33 | #include <sstream>
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| 34 |
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| 35 | // printing the stack would need execinfo
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| 36 | #ifdef FASTJET_HAVE_EXECINFO_H
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| 37 | #include <execinfo.h>
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| 38 | #include <cstdlib>
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| 39 | #endif
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| 40 |
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| 41 | FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
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| 42 |
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| 43 | using namespace std;
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| 44 |
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| 45 | bool Error::_print_errors = true;
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| 46 | bool Error::_print_backtrace = false;
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| 47 | ostream * Error::_default_ostr = & cerr;
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| 48 |
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| 49 | Error::Error(const std::string & message_in) {
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| 50 | _message = message_in;
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| 51 | if (_print_errors && _default_ostr){
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| 52 | ostringstream oss;
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| 53 | oss << "fastjet::Error: "<< message_in << endl;
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| 54 |
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| 55 | // only print the stack if execinfo is available and stack enabled
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| 56 | #ifdef FASTJET_HAVE_EXECINFO_H
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| 57 | if (_print_backtrace){
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| 58 | void * array[10];
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| 59 | char ** messages;
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| 60 |
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| 61 | int size = backtrace(array, 10);
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| 62 | messages = backtrace_symbols(array, size);
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| 63 |
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| 64 | oss << "stack:" << endl;
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| 65 | for (int i = 1; i < size && messages != NULL; ++i){
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| 66 | oss << " #" << i << ": " << messages[i] << endl;
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| 67 | }
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| 68 | free(messages);
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| 69 | }
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| 70 | #endif
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| 71 |
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| 72 | *_default_ostr << oss.str();
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| 73 | // get something written to file even
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| 74 | // if the program aborts
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| 75 | _default_ostr->flush();
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| 76 |
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| 77 | // // output error message either to cerr or to the user-set stream
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| 78 | // if (_default_ostr) { *_default_ostr << oss.str();
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| 79 | // // get something written to file even
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| 80 | // // if the program aborts
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| 81 | // _default_ostr->flush(); }
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| 82 | // else { std::cerr << oss.str(); }
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| 83 |
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | FASTJET_END_NAMESPACE
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| 88 |
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