xref: /freebsd/usr.sbin/apmd/apmdlex.l (revision 103e4932ee4294d298a680511479d6c57eb982e7)
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 /* We don't need it, avoid the warning. */
40 #define YY_NO_UNPUT
41 
42 int lineno;
43 int first_time;
44 %}
45 
46 %s TOP
47 
48 %%
49 
50 %{
51 	if (first_time) {
52 		BEGIN TOP;
53 		lineno = 1;
54 		first_time = 0;
55 	}
56 %}
57 
58 <TOP>[ \t]+		;
59 <TOP>\n			lineno++;
60 <TOP>,			{ return COMMA; }
61 <TOP>;			{ return SEMICOLON; }
62 <TOP>#.*$		;
63 
64 <TOP>apm_event		{ return APMEVENT; }
65 
66 <TOP>NOEVENT		{ yylval.ev = EVENT_NOEVENT; return EVENT; }
67 <TOP>STANDBYREQ		{ yylval.ev = EVENT_STANDBYREQ; return EVENT; }
68 <TOP>SUSPENDREQ		{ yylval.ev = EVENT_SUSPENDREQ; return EVENT; }
69 <TOP>NORMRESUME		{ yylval.ev = EVENT_NORMRESUME; return EVENT; }
70 <TOP>CRITRESUME		{ yylval.ev = EVENT_CRITRESUME; return EVENT; }
71 <TOP>BATTERYLOW		{ yylval.ev = EVENT_BATTERYLOW; return EVENT; }
72 <TOP>POWERSTATECHANGE	{ yylval.ev = EVENT_POWERSTATECHANGE; return EVENT; }
73 <TOP>UPDATETIME		{ yylval.ev = EVENT_UPDATETIME; return EVENT; }
74 <TOP>CRITSUSPEND	{ yylval.ev = EVENT_CRITSUSPEND; return EVENT; }
75 <TOP>USERSTANDBYREQ	{ yylval.ev = EVENT_USERSTANDBYREQ; return EVENT; }
76 <TOP>USERSUSPENDREQ	{ yylval.ev = EVENT_USERSUSPENDREQ; return EVENT; }
77 <TOP>STANDBYRESUME	{ yylval.ev = EVENT_STANDBYRESUME; return EVENT; }
78 <TOP>CAPABILITIESCHANGE	{ yylval.ev = EVENT_CAPABILITIESCHANGE; return EVENT; }
79 
80 <TOP>apm_battery	{ return APMBATT; }
81 
82 <TOP>charging		{ return BATTCHARGE; }
83 <TOP>discharging	{ return BATTDISCHARGE; }
84 <TOP>[0-9]+%		{
85 				yylval.i = atoi(yytext);
86 				return BATTPERCENT;
87 			}
88 <TOP>[0-9]+[Mm]		{
89 				yylval.i = -atoi(yytext);
90 				return BATTTIME;
91 			}
92 
93 <TOP>exec		{ return EXECCMD; }
94 <TOP>reject		{ return REJECTCMD; }
95 
96 <TOP>\{			{ return BEGINBLOCK; }
97 <TOP>\}			{ return ENDBLOCK; }
98 <TOP>\"[^"]+\"	{
99 				int len = strlen(yytext) - 2;
100 				if ((yylval.str = (char *) malloc(len + 1)) == NULL)
101 					goto out;
102 				memcpy(yylval.str, yytext + 1, len);
103 				yylval.str[len] = '\0';
104 			out:
105 				return STRING;
106 			}
107 
108 <TOP>[^"{},;#\n\t ]+	{ yylval.str = strdup(yytext); return UNKNOWN; }
109 %%
110 
111 void
112 yyerror(const char *s)
113 {
114 	syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s);
115 }
116