problem.h

由matlab开发的hybrid系统的描述语言

/*
	HYSDEL
	Copyright (C) 1999-2002  Fabio D. Torrisi

	This file is part of HYSDEL.
    
	HYSDEL 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.

	HYSDEL 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 library; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

	CONTACT INFORMATION
	===================
	Fabio D. Torrisi
	ETH Zentrum
	Physikstrasse. 3 ETL,
	CH-8032 Zurich
	Switzerland
	mailto:[e-mail] (preferred)
*/

#ifndef D_PROBLEM
#define D_PROBLEM

#include <string>

typedef enum problem_type { ERROR, WARNING };
typedef enum warning_type {
	SYMBOL_NOT_USED, VAR_NOT_DEFINED, MATH_SINGULAR, BOUND_NOT_TIGHT, BOUNDS_ORDER
};


/** represents both warnings and errors */
class Problem {
public:
	Problem(problem_type t, string m, warning_type w);
	Problem(problem_type t, string m);

	/** terminate in case of errors, otherwise return */
	bool terminate() const;

	/** the error/warning message */
	string to_string() const;

	problem_type get_type() const { return level; }

	warning_type get_level() const { return warn_level; }

private:
	problem_type level;

	/** only for warnings */
	warning_type warn_level;

	string msg;
};

#endif //D_PROBLEM