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// Verbose terminate_handler -*- C++ -*-

// Copyright (C) 2001, 2002, 2004, 2005, 2009, 2011 Free Software Foundation

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

#include <bits/c++config.h>

#if _GLIBCXX_HOSTED

#include <cstdlib>

#include <exception>

#include <bits/exception_defines.h>

#include <cxxabi.h>

# include <cstdio>

using namespace std;

using namespace abi;

namespace __gnu_cxx

{

_GLIBCXX_BEGIN_NAMESPACE_VERSION

  // A replacement for the standard terminate_handler which prints

  // more information about the terminating exception (if any) on

  // stderr.

  void __verbose_terminate_handler()

  {

    static bool terminating;

    if (terminating)

      {

        fputs("terminate called recursively\n", stderr);

        abort ();

      }

    terminating = true;

    // Make sure there was an exception; terminate is also called for an

    // attempt to rethrow when there is no suitable exception.

    type_info *t = __cxa_current_exception_type();

    if (t)

      {

        // Note that "name" is the mangled name.

        char const *name = t->name();

        {

          int status = -1;

          char *dem = 0;

          dem = __cxa_demangle(name, 0, 0, &status);

          fputs("terminate called after throwing an instance of '", stderr);

          if (status == 0)

            fputs(dem, stderr);

          else

            fputs(name, stderr);

          fputs("'\n", stderr);

          if (status == 0)

            free(dem);

        }

        // If the exception is derived from std::exception, we can

        // give more information.

        __try { __throw_exception_again; }

#ifdef __EXCEPTIONS

        __catch(const exception& exc)

          {

            char const *w = exc.what();

            fputs("  what():  ", stderr);

            fputs(w, stderr);

            fputs("\n", stderr);

          }

#endif

        __catch(...) { }

      }

    else

      fputs("terminate called without an active exception\n", stderr);

    abort();

  }

_GLIBCXX_END_NAMESPACE_VERSION

} // namespace

#endif