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/*****************************************************************************/
/*!
* \file exception.h
*
* Author: Sergey Berezin
*
* Created: Thu Feb 6 13:09:44 2003
*
* <hr>
*
* License to use, copy, modify, sell and/or distribute this software
* and its documentation for any purpose is hereby granted without
* royalty, subject to the terms and conditions defined in the \ref
* LICENSE file provided with this distribution.
*
* <hr>
*
* A generic exception. Any thrown exception must inherit from this
* class and whenever possible, set the error message.
*/
/*****************************************************************************/
#ifndef _cvc3__exception_h_
#define _cvc3__exception_h_
#include <string>
#include <iostream>
namespace CVC3 {
class Exception {
protected:
std::string d_msg;
public:
// Constructors
Exception(): d_msg("Unknown exception") { }
Exception(const std::string& msg): d_msg(msg) { }
Exception(const char* msg): d_msg(msg) { }
// Destructor
virtual ~Exception() { }
// NON-VIRTUAL METHODs for setting and printing the error message
void setMessage(const std::string& msg) { d_msg = msg; }
// Printing: feel free to redefine toString(). When inherited,
// it's recommended that this method print the type of exception
// before the actual message.
virtual std::string toString() const { return d_msg; }
// No need to overload operator<< for the inherited classes
friend std::ostream& operator<<(std::ostream& os, const Exception& e);
}; // end of class Exception
inline std::ostream& operator<<(std::ostream& os, const Exception& e) {
return os << e.toString();
}
} // end of namespace CVC3
#endif
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