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// This file is part of PUMA.
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// Copyright (C) 1999-2003 The PUMA developer team.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// A rule of the rule table. Consists of two pointers.
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// The first is an invalid pointer to a token and the
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// second the valid one that shall be used instead.
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#include "Puma/Token.h"
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#include "Puma/ListElement.h"
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class Rule : public ListElement {
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friend class RuleTable;
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Rule (Token *o, Token *n) : _old (o), _new (n) {}
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ListElement *duplicate () { return new Rule (_old, _new); }