pyG4Exception.cc

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// ********************************************************************
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// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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// * technical work of the GEANT4 collaboration.                      *
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// ********************************************************************
//
// ====================================================================
//   pyG4Exception.cc
//
//                                         2005 Q
// ====================================================================
#include <boost/python.hpp>
#include "G4ios.hh"
#include "G4StateManager.hh"
#include "G4ExceptionSeverity.hh"

using namespace boost::python;

// ====================================================================
// thin wrappers
// ====================================================================
namespace pyG4Exception {

void f2_G4Exception(const char* originOfException,
                    const char* exceptionCode,
                    G4ExceptionSeverity severity,
                    const char* description)
{
  G4VExceptionHandler* exceptionHandler
    = G4StateManager::GetStateManager()-> GetExceptionHandler();
  G4bool toBeAborted = true;
  if(exceptionHandler) {
    toBeAborted = exceptionHandler
      -> Notify(originOfException,exceptionCode,severity,description);
  } else {
    G4String e_banner = "\n!!!!! - !!!!! - !!!!! - !!!!! - !!!!! - !!!!!\n";
    G4String w_banner = "\nwwwww - wwwww - wwwww - wwwww - wwwww - wwwww\n";
    std::ostringstream message;
    message << "\n*** ExceptionHandler is not defined ***\n"
            << "*** G4Exception : " << exceptionCode << G4endl
            << "      issued by : " << originOfException << G4endl
            << description << G4endl;
    switch(severity) {
    case FatalException:
      G4cerr << e_banner << message.str() << "*** Fatal Exception ***"
             << e_banner;
      break;
    case FatalErrorInArgument:
      G4cerr << e_banner << message.str() << "*** Fatal Error In Argument ***"
             << e_banner;
      break;
    case RunMustBeAborted:
      G4cerr << e_banner << message.str() << "*** Run Must Be Aborted ***"
             << e_banner;
      break;
    case EventMustBeAborted:
      G4cerr << e_banner << message.str() << "*** Event Must Be Aborted ***"
             << e_banner;
      break;
    default:
      G4cout << w_banner << message.str()
             << "*** This is just a warning message. ***"
             << w_banner;
      toBeAborted = false;
      break;
    }
  }

  if(toBeAborted) {
    if(G4StateManager::GetStateManager()->SetNewState(G4State_Abort)) {
      G4cerr << G4endl << "*** G4Exception: Aborting execution ***" << G4endl;
      PyErr_SetString(PyExc_RuntimeError, description);
      PyErr_Print();
    } else {
      G4cerr << G4endl << "*** G4Exception: Abortion suppressed ***"
             << G4endl << "*** No guarantee for further execution ***"
             << G4endl;
    }
  }
}

}

using namespace pyG4Exception;

// ====================================================================
// module definition
// ====================================================================
void export_G4Exception()
{
  def("G4Exception",   f2_G4Exception);
}