1 %{ 2 /*- 3 * APM (Advanced Power Management) Event Dispatcher 4 * 5 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org> 6 * Copyright (c) 1999 KOIE Hidetaka <koie@suri.co.jp> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <stdio.h> 34 #include <bitstring.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include "apmd.h" 38 39 #ifdef DEBUG 40 #define YYDEBUG 1 41 #endif 42 43 extern int first_time; 44 45 %} 46 47 %union { 48 char *str; 49 bitstr_t bit_decl(evlist, EVENT_MAX); 50 int ev; 51 struct event_cmd * evcmd; 52 int i; 53 } 54 55 %token BEGINBLOCK ENDBLOCK 56 %token COMMA SEMICOLON 57 %token APMEVENT 58 %token APMBATT 59 %token BATTCHARGE BATTDISCHARGE 60 %token <i> BATTTIME BATTPERCENT 61 %token EXECCMD REJECTCMD 62 %token <ev> EVENT 63 %token <str> STRING UNKNOWN 64 65 %type <i> apm_battery_level 66 %type <i> apm_battery_direction 67 %type <str> string 68 %type <str> unknown 69 %type <evlist> event_list 70 %type <evcmd> cmd_list 71 %type <evcmd> cmd 72 %type <evcmd> exec_cmd reject_cmd 73 74 %% 75 76 config_file 77 : { first_time = 1; } config_list 78 ; 79 80 config_list 81 : config 82 | config_list config 83 ; 84 85 config 86 : apm_event_statement 87 | apm_battery_statement 88 ; 89 90 apm_event_statement 91 : APMEVENT event_list BEGINBLOCK cmd_list ENDBLOCK 92 { 93 if (register_apm_event_handlers($2, $4) < 0) 94 abort(); /* XXX */ 95 free_event_cmd_list($4); 96 } 97 ; 98 99 apm_battery_level 100 : BATTPERCENT 101 { 102 $$ = $1; 103 } 104 | BATTTIME 105 { 106 $$ = $1; 107 } 108 ; 109 110 apm_battery_direction 111 : BATTCHARGE 112 { 113 $$ = 1; 114 } 115 | BATTDISCHARGE 116 { 117 $$ = -1; 118 } 119 ; 120 apm_battery_statement 121 : APMBATT apm_battery_level apm_battery_direction 122 BEGINBLOCK cmd_list ENDBLOCK 123 { 124 if (register_battery_handlers($2, $3, $5) < 0) 125 abort(); /* XXX */ 126 free_event_cmd_list($5); 127 } 128 ; 129 130 event_list 131 : EVENT 132 { 133 bit_nclear($$, 0, EVENT_MAX - 1); 134 bit_set($$, $1); 135 } 136 | event_list COMMA EVENT 137 { 138 memcpy(&($$), &($1), bitstr_size(EVENT_MAX)); 139 bit_set($$, $3); 140 } 141 ; 142 143 cmd_list 144 : /* empty */ 145 { 146 $$ = NULL; 147 } 148 | cmd_list cmd 149 { 150 struct event_cmd * p = $1; 151 if (p) { 152 while (p->next != NULL) 153 p = p->next; 154 p->next = $2; 155 $$ = $1; 156 } else { 157 $$ = $2; 158 } 159 } 160 ; 161 162 cmd 163 : exec_cmd SEMICOLON { $$ = $1; } 164 | reject_cmd SEMICOLON { $$ = $1; } 165 ; 166 167 exec_cmd 168 : EXECCMD string 169 { 170 size_t len = sizeof (struct event_cmd_exec); 171 struct event_cmd_exec *cmd = malloc(len); 172 cmd->evcmd.next = NULL; 173 cmd->evcmd.len = len; 174 cmd->evcmd.name = "exec"; 175 cmd->evcmd.op = &event_cmd_exec_ops; 176 cmd->line = $2; 177 $$ = (struct event_cmd *) cmd; 178 } 179 ; 180 181 reject_cmd 182 : REJECTCMD 183 { 184 size_t len = sizeof (struct event_cmd_reject); 185 struct event_cmd_reject *cmd = malloc(len); 186 cmd->evcmd.next = NULL; 187 cmd->evcmd.len = len; 188 cmd->evcmd.name = "reject"; 189 cmd->evcmd.op = &event_cmd_reject_ops; 190 $$ = (struct event_cmd *) cmd; 191 } 192 ; 193 194 string 195 : STRING { $$ = $1; } 196 ; 197 198 unknown 199 : UNKNOWN 200 { 201 $$ = $1; 202 } 203 ; 204 %% 205 206