blob: 132bcf1f73b6d626f341862e07ea660b56354dcd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// -*- C++ -*-
/* Copyright (C) 1989-2020 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 bool 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 readonly_register : public reg {
int *p;
public:
readonly_register(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;
bool get_value(units *) = 0;
};
class variable_reg : public general_reg {
units *ptr;
public:
variable_reg(int *);
void set_value(units);
bool get_value(units *);
};
extern object_dictionary register_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
|
