parse.y revision 105573 
1%{
2/*-
3 * DEVD (Device action daemon)
4 *
5 * Copyright (c) 2002 M. Warner Losh <imp@freebsd.org>.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sbin/devd/parse.y 105573 2002-10-20 22:15:17Z imp $
30 */
31
32#include "devd.h"
33#include <stdio.h>
34
35%}
36
37%union {
38	char *str;
39	int i;
40}
41
42%token SEMICOLON BEGINBLOCK ENDBLOCK COMMA
43%token <i> NUMBER
44%token <str> STRING
45%token <str> ID
46%token OPTIONS SET DIRECTORY PID_FILE DEVICE_NAME ACTION MATCH
47%token ATTACH DETACH NOMATCH
48
49%type <str> id
50%type <i> number
51%type <str> string
52
53%%
54
55config_file
56	: config_list
57	;
58
59config_list
60	: config
61	| config_list config
62	;
63
64config
65	: option_block
66	| attach_block
67	| detach_block
68	| nomatch_block
69	;
70
71option_block
72	: OPTIONS BEGINBLOCK options ENDBLOCK SEMICOLON
73	;
74
75options
76	: option
77	| options option
78
79option
80	: directory_option
81	| pid_file_option
82	| set_option
83	;
84
85directory_option
86	: DIRECTORY string SEMICOLON { add_directory($2); }
87	;
88
89pid_file_option
90	: PID_FILE string SEMICOLON
91	;
92
93set_option
94	: SET id string SEMICOLON
95	;
96
97attach_block
98	: ATTACH number BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
99	;
100
101detach_block
102	: DETACH number BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
103	;
104
105nomatch_block
106	: NOMATCH number BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
107	;
108
109match_or_action_list
110	: match_or_action
111	| match_or_action_list match_or_action
112	;
113
114match_or_action
115	: match
116	| action
117	;
118
119match
120	: MATCH string string SEMICOLON
121	| DEVICE_NAME string SEMICOLON
122	;
123
124action
125	: ACTION string SEMICOLON
126	;
127
128number
129	: NUMBER	{ $$ = $1; }
130
131string
132	: STRING	{ $$ = $1; }
133
134id
135	: ID		{ $$ = $1; }
136
137%%
138