include/dlvhex2/HexParserModule.h

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/* dlvhex -- Answer-Set Programming with external interfaces.
 * Copyright (C) 2005-2007 Roman Schindlauer
 * Copyright (C) 2006-2015 Thomas Krennwallner
 * Copyright (C) 2009-2016 Peter Schüller
 * Copyright (C) 2011-2016 Christoph Redl
 * Copyright (C) 2015-2016 Tobias Kaminski
 * Copyright (C) 2015-2016 Antonius Weinzierl
 *
 * This file is part of dlvhex.
 *
 * dlvhex is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * dlvhex 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with dlvhex; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef DLVHEX_HEX_PARSER_MODULE_H_INCLUDED
#define DLVHEX_HEX_PARSER_MODULE_H_INCLUDED

#include "dlvhex2/PlatformDefinitions.h"
#include "dlvhex2/HexGrammar.h"

DLVHEX_NAMESPACE_BEGIN

class HexParserModule
{
    public:
        enum Type
        {
            TOPLEVEL,
            BODYATOM,
            HEADATOM,
            TERM
        };

        virtual ~HexParserModule() {};

        Type getType() const { return type; }
        HexParserModule(Type type): type(type) {}

        virtual HexParserModuleGrammarPtr createGrammarModule() = 0;

    protected:
        Type type;
};

DLVHEX_NAMESPACE_END
#endif                           // DLVHEX_HEX_PARSER_MODULE_H_INCLUDED


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