1 /* counter.h - definitions for counter.c */
2 #ifndef COUNTER_H
3 #define COUNTER_H
4 
5 #include "tree_types.h"
6 
7 /* Copyright 2015-2021 Free Software Foundation, Inc.
8 
9    This program is free software: you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation, either version 3 of the License, or
12    (at your option) any later version.
13 
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18 
19    You should have received a copy of the GNU General Public License
20    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
21 
22 #include "tree_types.h"
23 
24 typedef struct {
25     int *values; /* Array of values. */
26     ELEMENT **elts; /* Elements corresponding to each value. */
27     int nvalues;
28     int space;
29 } COUNTER;
30 
31 void counter_push (COUNTER *c, ELEMENT *e, int n);
32 void counter_pop (COUNTER *c);
33 void counter_inc (COUNTER *c);
34 void counter_dec (COUNTER *c);
35 int counter_value (COUNTER *c, ELEMENT *e);
36 
37 /* A large positive number used to represent an unlimited number of remaining
38    arguments. */
39 #define COUNTER_VARIADIC 32767
40 
41 #endif
42