/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */

/*
 *  Main authors:
 *     Guido Tack <guido.tack@monash.edu>
 */

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef __MINIZINC_EXCEPTION_HH__
#define __MINIZINC_EXCEPTION_HH__

#include <exception>
#include <string>

namespace MiniZinc {

class Exception : public std::exception {
protected:
  std::string _msg;

public:
  Exception(const std::string& msg) : _msg(msg) {}
  virtual ~Exception(void) throw() {}
  virtual const char* what(void) const throw() = 0;
  const std::string& msg(void) const { return _msg; }
};

class ParseException : public Exception {
public:
  ParseException(const std::string& msg) : Exception(msg) {}
  ~ParseException(void) throw() {}
  virtual const char* what(void) const throw() { return ""; }
};

class InternalError : public Exception {
public:
  InternalError(const std::string& msg) : Exception(msg) {}
  ~InternalError(void) throw() {}
  virtual const char* what(void) const throw() { return "MiniZinc: internal error"; }
};

class Error : public Exception {
public:
  Error(const std::string& msg) : Exception(msg) {}
  ~Error(void) throw() {}
  virtual const char* what(void) const throw() { return ""; }
};

class Timeout : public Exception {
public:
  Timeout(void) : Exception("time limit reached") {}
  ~Timeout(void) throw() {}
  virtual const char* what(void) const throw() { return "MiniZinc: time out"; }
};

class ArithmeticError : public Exception {
public:
  ArithmeticError(const std::string& msg) : Exception(msg) {}
  virtual ~ArithmeticError(void) throw() {}
  virtual const char* what(void) const throw() { return "MiniZinc: arithmetic error"; }
};

}  // namespace MiniZinc

#endif