1 | //STARTHEADER |
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2 | // $Id: Error.cc 859 2012-11-28 01:49:23Z pavel $ |
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3 | // |
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4 | // Copyright (c) 2005-2011, 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 and are described in hep-ph/0512210. If you use |
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16 | // FastJet as part of work towards a scientific publication, please |
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17 | // include a citation to the FastJet paper. |
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18 | // |
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19 | // FastJet is distributed in the hope that it will be useful, |
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20 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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21 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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22 | // GNU General Public License for more details. |
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23 | // |
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24 | // You should have received a copy of the GNU General Public License |
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25 | // along with FastJet. If not, see <http://www.gnu.org/licenses/>. |
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26 | //---------------------------------------------------------------------- |
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27 | //ENDHEADER |
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28 | |
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29 | #include "fastjet/Error.hh" |
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30 | #include "fastjet/config.h" |
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31 | #include <sstream> |
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32 | |
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33 | // printing the stack would need execinfo |
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34 | #ifdef FASTJET_HAVE_EXECINFO_H |
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35 | #include <execinfo.h> |
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36 | #include <cstdlib> |
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37 | #endif |
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38 | |
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39 | FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh |
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40 | |
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41 | using namespace std; |
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42 | |
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43 | bool Error::_print_errors = true; |
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44 | bool Error::_print_backtrace = false; |
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45 | ostream * Error::_default_ostr = & cerr; |
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46 | |
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47 | Error::Error(const std::string & message_in) { |
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48 | _message = message_in; |
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49 | if (_print_errors && _default_ostr){ |
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50 | ostringstream oss; |
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51 | oss << "fastjet::Error: "<< message_in << endl; |
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52 | |
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53 | // only print the stack if execinfo is available and stack enabled |
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54 | #ifdef FASTJET_HAVE_EXECINFO_H |
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55 | if (_print_backtrace){ |
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56 | void * array[10]; |
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57 | char ** messages; |
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58 | |
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59 | int size = backtrace(array, 10); |
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60 | messages = backtrace_symbols(array, size); |
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61 | |
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62 | oss << "stack:" << endl; |
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63 | for (int i = 1; i < size && messages != NULL; ++i){ |
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64 | oss << " #" << i << ": " << messages[i] << endl; |
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65 | } |
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66 | free(messages); |
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67 | } |
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68 | #endif |
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69 | |
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70 | *_default_ostr << oss.str(); |
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71 | // get something written to file even |
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72 | // if the program aborts |
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73 | _default_ostr->flush(); |
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74 | |
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75 | // // output error message either to cerr or to the user-set stream |
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76 | // if (_default_ostr) { *_default_ostr << oss.str(); |
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77 | // // get something written to file even |
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78 | // // if the program aborts |
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79 | // _default_ostr->flush(); } |
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80 | // else { std::cerr << oss.str(); } |
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81 | |
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82 | } |
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83 | } |
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84 | |
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85 | FASTJET_END_NAMESPACE |
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86 | |
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