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// set of variables -*- c++ -*-
#ifndef VARIABLESET_H_
# define VARIABLESET_H_
# ifdef __GNUC__
# pragma interface
# endif // __GNUC__
# include <set>
/** @file VariableSet.h
* Set of variables, a transient class used in preprocessing
*/
/* Copyright 2000-2001 Marko Mkel (msmakela@tcs.hut.fi).
This file is part of MARIA, a reachability analyzer and model checker
for high-level Petri nets.
MARIA 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.
MARIA 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.
The GNU General Public License is often shipped with GNU software, and
is generally kept in a file called COPYING or LICENSE. If you do not
have a copy of the license, write to the Free Software Foundation,
59 Temple Place, Suite 330, Boston, MA 02111 USA. */
/** Set of variables */
class VariableSet
{
public:
/** Variable set */
typedef std::set<const class VariableDefinition*> Set;
/** Constant iterator to the variable set */
typedef Set::const_iterator const_iterator;
/** Constructor */
VariableSet () : mySet () {}
/** Copy constructor */
explicit VariableSet (const class VariableSet& old) : mySet (old.mySet) {}
private:
/** Assignment operator */
class VariableSet& operator= (const class VariableSet& old);
public:
/** Destructor */
~VariableSet () {}
/** Determine whether the set contains a variable
* @param var variable to search
* @return whether the set contains the variable
*/
bool contains (const class VariableDefinition& var) const;
/** Insert a variable to the set
* @param var variable to insert
*/
void insert (const class VariableDefinition& var);
/** @name Accessors to the variable set */
/*@{*/
void clear () { mySet.clear (); }
bool empty () const { return mySet.empty (); }
size_t size () const { return mySet.size (); }
const_iterator begin () const { return mySet.begin (); }
const_iterator end () const { return mySet.end (); }
/*@}*/
private:
/** The set of variables */
Set mySet;
};
#endif // VARIABLESET_H_
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