1 /*
2  * This file is part of DGD, https://github.com/dworkin/dgd
3  * Copyright (C) 1993-2010 Dworkin B.V.
4  * Copyright (C) 2010 DGD Authors (see the commit log for details)
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU Affero General Public License as
8  * published by the Free Software Foundation, either version 3 of the
9  * License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU Affero General Public License for more details.
15  *
16  * You should have received a copy of the GNU Affero General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 # include "hash.h"
21 
22 typedef struct _macro_ {
23     hte chain;			/* hash table entry chain */
24     char *replace;		/* replace text */
25     int narg;			/* number of arguments */
26 } macro;
27 
28 # define MA_NARG	0x1f
29 # define MA_NOEXPAND	0x20
30 # define MA_STRING	0x40
31 # define MA_TAG		0x80
32 
33 # define MAX_NARG	31
34 
35 # define MAX_REPL_SIZE	(4 * MAX_LINE_SIZE)
36 
37 extern void   mc_init	(void);
38 extern void   mc_clear  (void);
39 extern void   mc_define (char*, char*, int);
40 extern void   mc_undef  (char*);
41 extern macro *mc_lookup (char*);
42