xref: /freebsd/usr.sbin/apmd/apmdlex.l (revision 719b9dc1afc07b94f216383e50f66f55e888c16d)
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 <string.h>
34 #include <syslog.h>
35 #include <bitstring.h>
36 #include "apmd.h"
37 #include "y.tab.h"
38 
39 int lineno;
40 int first_time;
41 %}
42 
43 %s TOP
44 
45 %%
46 
47 %{
48 	if (first_time) {
49 		BEGIN TOP;
50 		lineno = 1;
51 		first_time = 0;
52 	}
53 %}
54 
55 <TOP>[ \t]+		;
56 <TOP>\n			lineno++;
57 <TOP>,			{ return COMMA; }
58 <TOP>;			{ return SEMICOLON; }
59 <TOP>#.*$		;
60 
61 <TOP>apm_event		{ return APMEVENT; }
62 
63 <TOP>NOEVENT		{ yylval.ev = EVENT_NOEVENT; return EVENT; }
64 <TOP>STANDBYREQ		{ yylval.ev = EVENT_STANDBYREQ; return EVENT; }
65 <TOP>SUSPENDREQ		{ yylval.ev = EVENT_SUSPENDREQ; return EVENT; }
66 <TOP>NORMRESUME		{ yylval.ev = EVENT_NORMRESUME; return EVENT; }
67 <TOP>CRITRESUME		{ yylval.ev = EVENT_CRITRESUME; return EVENT; }
68 <TOP>BATTERYLOW		{ yylval.ev = EVENT_BATTERYLOW; return EVENT; }
69 <TOP>POWERSTATECHANGE	{ yylval.ev = EVENT_POWERSTATECHANGE; return EVENT; }
70 <TOP>UPDATETIME		{ yylval.ev = EVENT_UPDATETIME; return EVENT; }
71 <TOP>CRITSUSPEND	{ yylval.ev = EVENT_CRITSUSPEND; return EVENT; }
72 <TOP>USERSTANDBYREQ	{ yylval.ev = EVENT_USERSTANDBYREQ; return EVENT; }
73 <TOP>USERSUSPENDREQ	{ yylval.ev = EVENT_USERSUSPENDREQ; return EVENT; }
74 <TOP>STANDBYRESUME	{ yylval.ev = EVENT_STANDBYRESUME; return EVENT; }
75 <TOP>CAPABILITIESCHANGE	{ yylval.ev = EVENT_CAPABILITIESCHANGE; return EVENT; }
76 
77 <TOP>apm_battery	{ return APMBATT; }
78 
79 <TOP>charging		{ return BATTCHARGE; }
80 <TOP>discharging	{ return BATTDISCHARGE; }
81 <TOP>[0-9]+%		{
82 				yylval.i = atoi(yytext);
83 				return BATTPERCENT;
84 			}
85 <TOP>[0-9]+[Mm]		{
86 				yylval.i = -atoi(yytext);
87 				return BATTTIME;
88 			}
89 
90 <TOP>exec		{ return EXECCMD; }
91 <TOP>reject		{ return REJECTCMD; }
92 
93 <TOP>\{			{ return BEGINBLOCK; }
94 <TOP>\}			{ return ENDBLOCK; }
95 <TOP>\"[^"]+\"	{
96 				int len = strlen(yytext) - 2;
97 				if ((yylval.str = (char *) malloc(len + 1)) == NULL)
98 					goto out;
99 				memcpy(yylval.str, yytext + 1, len);
100 				yylval.str[len] = '\0';
101 			out:
102 				return STRING;
103 			}
104 
105 <TOP>[^"{},;#\n\t ]+	{ yylval.str = strdup(yytext); return UNKNOWN; }
106 %%
107 
108 void
109 yyerror(const char *s)
110 {
111 	syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s);
112 }
113