aefind/tree/monadic.h

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//
//      aegis - project change supervisor
//      Copyright (C) 1997, 2002, 2004-2008 Peter Miller
//
//      This program 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 3 of the License, or
//      (at your option) any later version.
//
//      This program 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 program. If not, see
//      <http://www.gnu.org/licenses/>.
//

#ifndef AEFIND_TREE_MONADIC_H
#define AEFIND_TREE_MONADIC_H

#include <aefind/tree.h>

class tree_monadic:
    public tree
{
public:
    virtual ~tree_monadic();

protected:
    tree_monadic(const pointer &arg);

    // See base class for documentation.
    void print() const;

    // See base class for documentation.
    bool useful() const;

    // See base class for documentation.
    bool constant() const;

    tree::pointer get_arg() const { return arg; }

private:
    tree::pointer arg;

    tree_monadic();

    tree_monadic(const tree_monadic &);

    tree_monadic &operator=(const tree_monadic &);
};

#endif // AEFIND_TREE_MONADIC_H