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: releng/11.0/usr.sbin/apmd/apmdparse.y 300557 2016-05-24 03:15:46Z peter $
31 */
32
33#include <sys/types.h>
34#include <stdio.h>
35#include <bitstring.h>
36#include <stdlib.h>
37#include <string.h>
38#include "apmd.h"
39
40#ifdef DEBUG
41#define YYDEBUG 1
42#endif
43
44extern int first_time;
45
46%}
47
48%union {
49	char *str;
50	bitstr_t bit_decl(evlist, EVENT_MAX);
51	int ev;
52	struct event_cmd * evcmd;
53	int i;
54}
55
56%token BEGINBLOCK ENDBLOCK
57%token COMMA SEMICOLON
58%token APMEVENT
59%token APMBATT
60%token BATTCHARGE BATTDISCHARGE
61%token <i> BATTTIME BATTPERCENT
62%token EXECCMD REJECTCMD
63%token <ev> EVENT
64%token <str> STRING UNKNOWN
65
66%type <i> apm_battery_level
67%type <i> apm_battery_direction
68%type <str> string
69%type <str> unknown
70%type <evlist> event_list
71%type <evcmd> cmd_list
72%type <evcmd> cmd
73%type <evcmd> exec_cmd reject_cmd
74
75%%
76
77config_file
78	: { first_time = 1; } config_list
79	;
80
81config_list
82	: config
83	| config_list config
84	;
85
86config
87	: apm_event_statement
88	| apm_battery_statement
89	;
90
91apm_event_statement
92	: APMEVENT event_list BEGINBLOCK cmd_list ENDBLOCK
93		{
94			if (register_apm_event_handlers($2, $4) < 0)
95				abort(); /* XXX */
96			free_event_cmd_list($4);
97		}
98	;
99
100apm_battery_level
101	: BATTPERCENT
102		{
103			$$ = $1;
104		}
105	| BATTTIME
106		{
107			$$ = $1;
108		}
109	;
110
111apm_battery_direction
112	: BATTCHARGE
113		{
114			$$ = 1;
115		}
116	| BATTDISCHARGE
117		{
118			$$ = -1;
119		}
120	;
121apm_battery_statement
122	: APMBATT apm_battery_level apm_battery_direction
123		BEGINBLOCK cmd_list ENDBLOCK
124		{
125			if (register_battery_handlers($2, $3, $5) < 0)
126				abort(); /* XXX */
127			free_event_cmd_list($5);
128		}
129	;
130
131event_list
132	: EVENT
133		{
134			bit_nclear($$, 0, EVENT_MAX - 1);
135			bit_set($$, $1);
136		}
137	| event_list COMMA EVENT
138		{
139			memcpy(&($$), &($1), bitstr_size(EVENT_MAX));
140			bit_set($$, $3);
141		}
142	;
143
144cmd_list
145	: /* empty */
146		{
147			$$  = NULL;
148		}
149	| cmd_list cmd
150		{
151			struct event_cmd * p = $1;
152			if (p) {
153				while (p->next != NULL)
154					p = p->next;
155				p->next = $2;
156				$$ = $1;
157			} else {
158				$$ = $2;
159			}
160		}
161	;
162
163cmd
164	: exec_cmd SEMICOLON	{ $$ = $1; }
165	| reject_cmd SEMICOLON	{ $$ = $1; }
166	;
167
168exec_cmd
169	: EXECCMD string
170		{
171			size_t len = sizeof (struct event_cmd_exec);
172			struct event_cmd_exec *cmd = malloc(len);
173			cmd->evcmd.next = NULL;
174			cmd->evcmd.len = len;
175			cmd->evcmd.name = "exec";
176			cmd->evcmd.op = &event_cmd_exec_ops;
177			cmd->line = $2;
178			$$ = (struct event_cmd *) cmd;
179		}
180	;
181
182reject_cmd
183	: REJECTCMD
184		{
185			size_t len = sizeof (struct event_cmd_reject);
186			struct event_cmd_reject *cmd = malloc(len);
187			cmd->evcmd.next = NULL;
188			cmd->evcmd.len = len;
189			cmd->evcmd.name = "reject";
190			cmd->evcmd.op = &event_cmd_reject_ops;
191			$$ = (struct event_cmd *) cmd;
192		}
193	;
194
195string
196	: STRING	{ $$ = $1; }
197	;
198
199unknown
200	: UNKNOWN
201		{
202			$$ = $1;
203		}
204	;
205%%
206
207