Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             :    Copyright (c) 2012-2018 The plumed team
       3             :    (see the PEOPLE file at the root of the distribution for a list of names)
       4             : 
       5             :    See http://www.plumed.org for more information.
       6             : 
       7             :    This file is part of plumed, version 2.
       8             : 
       9             :    plumed is free software: you can redistribute it and/or modify
      10             :    it under the terms of the GNU Lesser General Public License as published by
      11             :    the Free Software Foundation, either version 3 of the License, or
      12             :    (at your option) any later version.
      13             : 
      14             :    plumed is distributed in the hope that it will be useful,
      15             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17             :    GNU Lesser General Public License for more details.
      18             : 
      19             :    You should have received a copy of the GNU Lesser General Public License
      20             :    along with plumed.  If not, see <http://www.gnu.org/licenses/>.
      21             : +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
      22             : #include "Exception.h"
      23             : 
      24             : #if defined(__PLUMED_HAS_EXECINFO)
      25             : #include <execinfo.h>
      26             : #endif
      27             : 
      28             : #include <cstdio>
      29             : #include <cstdlib>
      30             : 
      31             : using namespace std;
      32             : namespace PLMD {
      33             : 
      34           0 : std::string Exception::format(const std::string&msg,const std::string&file,unsigned line,const std::string&function) {
      35           0 :   std::string message;
      36           0 :   message="\n+++ Internal PLUMED error";
      37           0 :   if(file.length()>0) {
      38             :     char cline[1000];
      39           0 :     sprintf(cline,"%u",line);
      40           0 :     message += "\n+++ file "+file+", line "+cline;
      41           0 :     if(function.length()>0) message +=", function "+function;
      42             :   }
      43           0 :   if(msg.length()>0) message +="\n+++ message: "+msg;
      44           0 :   return message;
      45             : }
      46             : 
      47             : 
      48           0 : Exception::Exception():
      49           0 :   msg(format("","",0,""))
      50             : {
      51           0 :   abortIfExceptionsAreDisabled();
      52           0 : }
      53             : 
      54           0 : Exception::Exception(const std::string&msg):
      55           0 :   msg(format(msg,"",0,""))
      56             : {
      57           0 :   abortIfExceptionsAreDisabled();
      58           0 : }
      59             : 
      60           0 : Exception::Exception(const std::string&msg,const std::string&file,unsigned line,const std::string&function):
      61           0 :   msg(format(msg,file,line,function))
      62             : {
      63           0 :   abortIfExceptionsAreDisabled();
      64           0 : }
      65             : 
      66           0 : void Exception::abortIfExceptionsAreDisabled() {
      67             : #if ! defined(__PLUMED_HAS_EXCEPTIONS)
      68             : 
      69             : #ifdef __PLUMED_HAS_EXECINFO
      70           0 :   fprintf(stderr,"\n\n********** STACK DUMP **********\n");
      71             :   void* callstack[128];
      72           0 :   int i, frames = backtrace(callstack, 128);
      73           0 :   char** strs = backtrace_symbols(callstack, frames);
      74           0 :   for (i = 0; i < frames; ++i) {
      75           0 :     fprintf(stderr,"%s\n", strs[i]);
      76             :   }
      77           0 :   fprintf(stderr,"******** END STACK DUMP ********\n");
      78           0 :   free(strs);
      79             : #endif
      80             : 
      81           0 :   fprintf(stderr,"%s",what());
      82           0 :   fprintf(stderr,"\n");
      83             : 
      84           0 :   std::abort();
      85             : #endif
      86             : }
      87             : 
      88             : }
      89             : 
      90             :