xref: /netbsd-src/usr.sbin/envstat/config_lex.l (revision 2980e352a13e8f0b545a366830c411e7a542ada8)
1 /* 	$NetBSD: config_lex.l,v 1.3 2007/11/16 08:01:38 xtraeme Exp $	*/
2 
3 /*-
4  * Copyright (c) 2007 Juan Romero Pardines.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 %{
29 
30 #include <sys/cdefs.h>
31 #ifndef lint
32 __RCSID("$NetBSD: config_lex.l,v 1.3 2007/11/16 08:01:38 xtraeme Exp $");
33 #endif /* not lint */
34 
35 #include <stdio.h>
36 #include <string.h>
37 #include <prop/proplib.h>
38 
39 #include "config_yacc.h"
40 
41 extern int yyline;
42 extern int yyerror(const char *, ...);
43 int yylex(void);
44 
45 %}
46 
47 %option noyywrap
48 
49 DEVICEPROP	refresh-timeout
50 SENSOR		sensor[0-9]+
51 SENSORPROP	critical-max|critical-min|critical-capacity|rfact|description
52 SP_STRING	[(+|\-)\$A-Za-z\.\/_\-0-9 ]*
53 STRING		[\$A-Za-z\.\/_\-0-9]*
54 
55 %%
56 
57 #.*$ 		/* Eat up comments */
58 [ \t]+ 		/* Eat up whitespace */
59 \n		{ yyline++; }
60 =               { return EQUAL; }
61 ;               { return EOL; }
62 "{"             { return LBRACE; }
63 "}"             { return RBRACE; }
64 {DEVICEPROP}	{ yylval.string = strdup(yytext); return DEVICE_PROP; }
65 {SENSOR}	{ yylval.string = strdup(yytext); return SENSOR; }
66 {SENSORPROP}	{ yylval.string = strdup(yytext); return SENSOR_PROP; }
67 \"{SP_STRING}\" { yylval.string = strdup(yytext + 1);
68 		  yylval.string[strlen(yytext) - 2] = '\0'; return STRING; }
69 {STRING}	{ yylval.string = strdup(yytext); return STRING; }
70 .		{ yyerror("illegal token `%s'", yytext); }
71