99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
// Verbose terminate_handler -*- C++ -*-
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// Copyright (C) 2001, 2002 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include <bits/c++config.h>
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#include <cstdlib>
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#include <exception>
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#include <exception_defines.h>
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#include <cxxabi.h>
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#ifdef _GLIBCXX_HAVE_UNISTD_H
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# include <unistd.h>
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# define writestr(str) write(2, str, __builtin_strlen(str))
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#else
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# include <cstdio>
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# define writestr(str) std::fputs(str, stderr)
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#endif
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using namespace std;
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using namespace abi;
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namespace __gnu_cxx
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{
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/* A replacement for the standard terminate_handler which prints
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more information about the terminating exception (if any) on
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stderr. */
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void __verbose_terminate_handler()
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{
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// Make sure there was an exception; terminate is also called for an
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// attempt to rethrow when there is no suitable exception.
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type_info *t = __cxa_current_exception_type();
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if (t)
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{
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char const *name = t->name();
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// Note that "name" is the mangled name.
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{
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int status = -1;
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char *dem = 0;
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dem = __cxa_demangle(name, 0, 0, &status);
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writestr("terminate called after throwing an instance of '");
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if (status == 0)
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writestr(dem);
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else
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writestr(name);
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writestr("'\n");
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if (status == 0)
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free(dem);
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}
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// If the exception is derived from std::exception, we can give more
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// information.
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try { __throw_exception_again; }
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#ifdef __EXCEPTIONS
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catch (exception &exc)
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{
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char const *w = exc.what();
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writestr(" what(): ");
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writestr(w);
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writestr("\n");
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}
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#endif
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catch (...) { }
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}
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else
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writestr("terminate called without an active exception\n");
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abort();
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}
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} // namespace __gnu_cxx
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