/* Copyright (C) 1989, 1990 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.uucp)
This file is part of groff.
groff 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 1, or (at your option) any later
groff 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
You should have received a copy of the GNU General Public License along
with groff; see the file LICENSE. If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
class reg
: public object
{
virtual const char *get_string() = 0;
virtual int get_value(units
*);
virtual void increment();
virtual void decrement();
virtual void set_increment(units
);
virtual void alter_format(char f
, int w
= 0);
virtual const char *get_format();
virtual void set_value(units
);
class constant_int_reg
: public reg
{
const char *get_string();
class general_reg
: public reg
{
const char *get_string();
void alter_format(char f
, int w
= 0);
void set_increment(units
);
const char *get_format();
void set_value(units
) = 0;
int get_value(units
*) = 0;
class variable_reg
: public general_reg
{
extern object_dictionary number_reg_dictionary
;
extern void set_number_reg(symbol nm
, units n
);
reg
*lookup_number_reg(symbol
);
void inline_define_reg();