Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             :    Copyright (c) 2012-2020 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 <cstring>
      30             : #include <cstdlib>
      31             : 
      32             : using namespace std;
      33             : namespace PLMD {
      34             : 
      35          52 : Exception::Exception():
      36         208 :   note(true)
      37             : {
      38             : #ifdef __PLUMED_HAS_EXECINFO
      39             :   {
      40             :     void* callstack[128];
      41          52 :     int frames = backtrace(callstack, 128);
      42          52 :     char** strs = backtrace_symbols(callstack, frames);
      43        1514 :     for (int i = 0; i < frames; ++i) {stackString+=strs[i]; stackString+="\n";}
      44          52 :     free(strs);
      45             :   }
      46             : #endif
      47          52 :   const char* env=getenv("PLUMED_STACK_TRACE");
      48          52 :   if(stackString.length()>0 && env && !strcmp(env,"yes")) {
      49             :     msg+="\n\n********** STACK DUMP **********\n";
      50             :     msg+=stackString;
      51             :     msg+="\n********** END STACK DUMP **********\n";
      52             :   }
      53             :   msg+="\n+++ PLUMED error";
      54          52 : }
      55             : 
      56          53 : Exception& Exception::operator<<(const std::string&msg)
      57             : {
      58          53 :   if(msg.length()>0) {
      59          53 :     if(note) this->msg +="\n+++ message follows +++\n";
      60          53 :     this->msg +=msg;
      61          53 :     note=false;
      62             :   }
      63          53 :   return *this;
      64             : }
      65             : 
      66          49 : Exception& Exception::operator<<(const Location&loc)
      67             : {
      68          49 :   if(loc.file) {
      69             :     char cline[1000];
      70          49 :     sprintf(cline,"%u",loc.line);
      71          49 :     this->msg += "\n+++ at ";
      72          49 :     this->msg += loc.file;
      73             :     this->msg += ":";
      74             :     this->msg += cline;
      75          49 :     if(loc.pretty && loc.pretty[0]) {
      76             :       this->msg += ", function ";
      77          49 :       this->msg += loc.pretty;
      78             :     }
      79             :   }
      80          49 :   note=true;
      81          49 :   return *this;
      82             : }
      83             : 
      84          12 : Exception& Exception::operator<<(const Assertion&as)
      85             : {
      86          12 :   if(as.assertion) {
      87          12 :     this->msg += "\n+++ assertion failed: ";
      88          12 :     this->msg += as.assertion;
      89             :   }
      90          12 :   note=true;
      91          12 :   return *this;
      92             : }
      93             : 
      94             : }
      95             : 
      96             :