libaegis/aer/func/change.h

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//
//      aegis - project change supervisor
//      Copyright (C) 1994, 2002, 2005-2008 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 AEGIS_AER_FUNC_CHANGE_H
#define AEGIS_AER_FUNC_CHANGE_H

#include <libaegis/aer/func.h>


class rpt_func_change_number:
    public rpt_func
{
public:
    virtual ~rpt_func_change_number();

private:
    rpt_func_change_number();

public:
    static rpt_func::pointer create();

protected:
    // See base class for documentation.
    const char *name() const;

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

    // See base class for documentation.
    bool verify(const rpt_expr::pointer &ep) const;

    // See base class for documentation.
    rpt_value::pointer run(const rpt_expr::pointer &ep, size_t argc,
        rpt_value::pointer *argv) const;

private:
    rpt_func_change_number(const rpt_func_change_number &);

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


class rpt_func_change_number_set:
    public rpt_func
{
public:
    virtual ~rpt_func_change_number_set();

private:
    rpt_func_change_number_set();

public:
    static rpt_func::pointer create();

protected:
    // See base class for documentation.
    const char *name() const;

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

    // See base class for documentation.
    bool verify(const rpt_expr::pointer &ep) const;

    // See base class for documentation.
    rpt_value::pointer run(const rpt_expr::pointer &ep, size_t argc,
        rpt_value::pointer *argv) const;

private:
    rpt_func_change_number_set(const rpt_func_change_number_set &);

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

class change_identifier; // forward
void report_parse_change_set(change_identifier &cid);

#endif // AEGIS_AER_FUNC_CHANGE_H