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 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 58 config_file 59 : config_list 60 | 61 ; 62 63 config_list 64 : config 65 | config_list config 66 ; 67 68 config 69 : option_block 70 | attach_block 71 | detach_block 72 | nomatch_block 73 | notify_block 74 ; 75 76 option_block 77 : OPTIONS BEGINBLOCK options ENDBLOCK SEMICOLON 78 ; 79 80 options 81 : option 82 | options option 83 84 option 85 : directory_option 86 | pid_file_option 87 | set_option 88 ; 89 90 directory_option 91 : DIRECTORY STRING SEMICOLON { add_directory($2); } 92 ; 93 94 pid_file_option 95 : PID_FILE STRING SEMICOLON { set_pidfile($2); } 96 ; 97 98 set_option 99 : SET ID STRING SEMICOLON { set_variable($2, $3); } 100 ; 101 102 attach_block 103 : ATTACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON 104 { add_attach($2, $4); } 105 | ATTACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON 106 ; 107 108 detach_block 109 : DETACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON 110 { add_detach($2, $4); } 111 | DETACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON 112 ; 113 114 nomatch_block 115 : NOMATCH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON 116 { add_nomatch($2, $4); } 117 | NOMATCH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON 118 ; 119 120 notify_block 121 : NOTIFY NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON 122 { add_notify($2, $4); } 123 | NOTIFY NUMBER BEGINBLOCK ENDBLOCK SEMICOLON 124 ; 125 126 match_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 ; 131 132 match_or_action 133 : match 134 | action 135 ; 136 137 match 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 { $$ = new_match(strdup("subdevice"), $2); } 147 ; 148 149 action 150 : ACTION STRING SEMICOLON { $$ = new_action($2); } 151 ; 152 153 %% 154