74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
|
// -*- C++ -*-
|
||
|
|
/* Copyright (C) 1989, 1990, 1991, 1992 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 2, 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 groff; see the file COPYING. If not, write to the Free Software
|
||
|
|
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
|
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
reg *lookup_number_reg(symbol);
|
||
|
|
#if 0
|
||
|
|
void inline_define_reg();
|
||
|
|
#endif
|