parse.y revision 302408 
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: stable/11/sbin/devd/parse.y 235789 2012-05-22 16:33:10Z bapt $
30 */
31
32#include <sys/cdefs.h>
33#include "devd.h"
34#include <stdio.h>
35#include <string.h>
36
37%}
38
39%union {
40	char *str;
41	int i;
42	struct eps *eps;	/* EventProcStatement */
43	struct event_proc *eventproc;
44}
45
46%token SEMICOLON BEGINBLOCK ENDBLOCK COMMA
47%token <i> NUMBER
48%token <str> STRING
49%token <str> ID
50%token OPTIONS SET DIRECTORY PID_FILE DEVICE_NAME ACTION MATCH
51%token ATTACH DETACH NOMATCH NOTIFY MEDIA_TYPE CLASS SUBDEVICE
52
53%type <eventproc> match_or_action_list
54%type <eps> match_or_action match action
55
56%%
57
58config_file
59	: config_list
60	|
61	;
62
63config_list
64	: config
65	| config_list config
66	;
67
68config
69	: option_block
70	| attach_block
71	| detach_block
72	| nomatch_block
73	| notify_block
74	;
75
76option_block
77	: OPTIONS BEGINBLOCK options ENDBLOCK SEMICOLON
78	;
79
80options
81	: option
82	| options option
83
84option
85	: directory_option
86	| pid_file_option
87	| set_option
88	;
89
90directory_option
91	: DIRECTORY STRING SEMICOLON { add_directory($2); }
92	;
93
94pid_file_option
95	: PID_FILE STRING SEMICOLON { set_pidfile($2); }
96	;
97
98set_option
99	: SET ID STRING SEMICOLON { set_variable($2, $3); }
100	;
101
102attach_block
103	: ATTACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
104		{ add_attach($2, $4); }
105	| ATTACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
106	;
107
108detach_block
109	: DETACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
110		{ add_detach($2, $4); }
111	| DETACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
112	;
113
114nomatch_block
115	: NOMATCH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
116		{ add_nomatch($2, $4); }
117	| NOMATCH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
118	;
119
120notify_block
121	: NOTIFY NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
122		{ add_notify($2, $4); }
123	| NOTIFY NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
124	;
125
126match_or_action_list
127	: match_or_action { $$ = add_to_event_proc( NULL, $1); }
128	| match_or_action_list match_or_action
129			{ $$ = add_to_event_proc($1, $2); }
130	;
131
132match_or_action
133	: match
134	| action
135	;
136
137match
138	: MATCH STRING STRING SEMICOLON	{ $$ = new_match($2, $3); }
139	| DEVICE_NAME STRING SEMICOLON
140		{ $$ = new_match(strdup("device-name"), $2); }
141	| MEDIA_TYPE STRING SEMICOLON
142		{ $$ = new_media(strdup("media-type"), $2); }
143	| CLASS STRING SEMICOLON
144		{ $$ = new_match(strdup("class"), $2); }
145	| SUBDEVICE STRING SEMICOLON
146		{ $$ = new_match(strdup("subdevice"), $2); }
147	;
148
149action
150	: ACTION STRING SEMICOLON	{ $$ = new_action($2); }
151	;
152
153%%
154