/*
 * Copyright (c) 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef PG_EXCEPTION_H_
#define PG_EXCEPTION_H_

#include <pg_config.h>

#pragma interface

#include <stdarg.h>

#ifdef USE_EXCEPTIONS
#error Exceptions not yet! :-(

#include <stdexcept>

#define E_FATAL  ExcpFatal
#define E_ERROR  ExcpError
#define E_ERROS  ExcpErrOS
#define E_PARSE  ExcpParse
#define E_PROTO  ExcpProto
#define E_EOF    ExcpEOF

class Excp: public exception
{
 public:
  Excp(const char *org, const char *msg, ...);  
  virtual ~Excp() { }
}

#define NEW_EXCP(name)
class name : public exception
{
 public:
  name (const char *org, const char *msg, ...) 
    : Excp(const char *org, const char *msg, ...) { }
  virtual ~name() { }
}


#define EXCEPTION(typ, msg, args...) \
  throw typ (__PRETTY_FUNCTION__, msg , ##args);

#else

#include <errno.h>

#define E_FATAL  0
#define E_ERROR  1
#define E_ERROS  2
#define E_PARSE  3
#define E_PROTO  4
#define E_EOF    5

#define E_MAX    6

typedef void (*exception_handler_t) (int typ, const char *msg);

__BEGIN_DECLS
void exception(int typ, const char *org, const char *msg, ...)
  __attribute__ ((__noreturn__));
void exception_handler(int typ, exception_handler_t hdl);
__END_DECLS

#define EXCEPTION(typ, msg, args...) \
  exception(typ, __PRETTY_FUNCTION__, msg , ##args);

#define FATAL(msg, args...) \
  exception(E_FATAL, __PRETTY_FUNCTION__, msg , ##args)
#define ERROR(msg, args...) \
  exception(E_ERROR, __PRETTY_FUNCTION__, msg , ##args)
#define ERROS(msg, args...) \
  exception(E_ERROS, __PRETTY_FUNCTION__, msg , ##args)
#define EPARSE(msg, args...) \
  exception(E_PARSE, __PRETTY_FUNCTION__, msg , ##args)
#define EPROTO(msg, args...) \
  exception(E_PARSE, __PRETTY_FUNCTION__, msg , ##args)
#define EEOF(msg, args...) \
  exception(E_EOF, __PRETTY_FUNCTION__, msg , ##args)
#define EXCPT(typ) \
  exception(typ, __PRETTY_FUNCTION__, NULL)

#endif


#endif /* !PG_EXCEPTION_H_ */