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// Arc class -*- c++ -*-
#ifdef __GNUC__
# pragma implementation
#endif // __GNUC__
#include "Arc.h"
#include "Marking.h"
#include "Place.h"
/** @file Arc.C
* Labelled arc in a net
*/
/* Copyright 1998-2003 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. */
Arc::Arc (bool output,
class Marking& expr,
const class Place& place,
bool copy) :
myIsOutput (output), myExpr (&expr),
myPlace (place), myIndex (place.getIndex ()), myCopy (copy)
{
expr.setPlace (&place);
}
Arc::~Arc ()
{
myExpr->destroy ();
}
void
Arc::substitute (class Substitution& substitution)
{
class Expression* expr = myExpr->substitute (substitution);
assert (expr && expr->getKind () == Expression::eMarking);
myExpr->destroy ();
myExpr = static_cast<class Marking*>(expr);
}
void
Arc::append (class Marking& expr)
{
expr.setPlace (&myPlace);
myExpr->append (expr);
}
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