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// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2003, 2009
Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
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 3 of the License, or
(at your option) any later version.
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
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/>. */
class reg : public object {
public:
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 {
int *p;
public:
constant_int_reg(int *);
const char *get_string();
};
class general_reg : public reg {
char format;
int width;
int inc;
public:
general_reg();
const char *get_string();
void increment();
void decrement();
void alter_format(char f, int w = 0);
void set_increment(units);
const char *get_format();
void add_value(units);
void set_value(units) = 0;
int get_value(units *) = 0;
};
class variable_reg : public general_reg {
units *ptr;
public:
variable_reg(int *);
void set_value(units);
int get_value(units *);
};
extern object_dictionary number_reg_dictionary;
extern void set_number_reg(symbol nm, units n);
extern void check_output_limits(int x, int y);
extern void reset_output_registers();
reg *lookup_number_reg(symbol);
#if 0
void inline_define_reg();
#endif
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