1/* Definitions for using pattern rules in GNU Make.
2Copyright (C) 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
3This file is part of GNU Make.
4
5GNU Make is free software; you can redistribute it and/or modify
6it under the terms of the GNU General Public License as published by
7the Free Software Foundation; either version 2, or (at your option)
8any later version.
9
10GNU Make is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with GNU Make; see the file COPYING.  If not, write to
17the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18Boston, MA 02111-1307, USA.  */
19
20/* Structure used for pattern rules.  */
21
22struct rule
23  {
24    struct rule *next;
25    char **targets;		/* Targets of the rule.  */
26    unsigned int *lens;		/* Lengths of each target.  */
27    char **suffixes;		/* Suffixes (after `%') of each target.  */
28    struct dep *deps;		/* Dependencies of the rule.  */
29    struct commands *cmds;	/* Commands to execute.  */
30    char terminal;		/* If terminal (double-colon).  */
31    char in_use;		/* If in use by a parent pattern_search.  */
32  };
33
34struct pattern_var
35  {
36    struct pattern_var *next;
37    char *target;
38    unsigned int len;
39    char *suffix;
40    struct variable_set_list *vars;
41  };
42
43/* For calling install_pattern_rule.  */
44struct pspec
45  {
46    char *target, *dep, *commands;
47  };
48
49
50extern struct rule *pattern_rules;
51extern struct rule *last_pattern_rule;
52extern unsigned int num_pattern_rules;
53
54extern unsigned int max_pattern_deps;
55extern unsigned int max_pattern_targets;
56extern unsigned int max_pattern_dep_length;
57
58extern struct file *suffix_file;
59extern unsigned int maxsuffix;
60
61
62extern void install_pattern_rule PARAMS ((struct pspec *p, int terminal));
63extern int new_pattern_rule PARAMS ((struct rule *rule, int override));
64extern struct pattern_var *create_pattern_var PARAMS ((char *target, char *suffix));
65extern struct pattern_var *lookup_pattern_var PARAMS ((char *target));
66extern void count_implicit_rule_limits PARAMS ((void));
67extern void convert_to_pattern PARAMS ((void));
68extern void create_pattern_rule PARAMS ((char **targets,
69                                         char **target_percents, int terminal,
70                                         struct dep *deps,
71                                         struct commands *commands,
72                                         int override));
73