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1994-12-22
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// Methods for Exception Support for -*- C++ -*-
// Copyright (C) 1994 Free Software Foundation
// This file is part of the GNU ANSI 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 2, 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.
// You should have received a copy of the GNU General Public License
// along with GNU CC; see the file COPYING. If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
// As a special exception, if you link this library with files
// compiled with a GNU compiler to produce an executable, this does not cause
// the resulting executable to be covered by the GNU General Public License.
// This exception does not however invalidate any other reasons why
// the executable file might be covered by the GNU General Public License.
// Written by Mike Stump based upon the specification in the 20 September 1994
// C++ working paper, ANSI document X3J16/94-0158.
#ifndef __exception__
#define __exception__
/* #include <string> */
typedef char *string;
class exception {
public:
typedef void (*raise_handler)(exception&);
static raise_handler set_raise_handler(raise_handler handler_arg);
exception(const string& what_arg);
virtual ~exception() { }
void raise();
virtual string what() const { return "exception"; }
protected:
exception() { }
virtual void do_raise() { }
};
class logic : public exception {
public:
logic(const string& what_arg) { }
virtual ~logic() { }
/* XXX Remove this sometime. */
logic() { }
};
class runtime : public exception {
public:
runtime(const string& what_arg) { }
virtual ~runtime() { }
protected:
runtime();
};
class bad_cast : public logic {
public:
bad_cast(const string& what_arg);
virtual ~bad_cast() { }
virtual string what() const { return "bad_cast"; }
/* XXX Remove this sometime. */
bad_cast() { }
};
extern bad_cast __bad_cast_object;
#endif