token.l revision 105573 
1%{
2/*-
3 * DEVD (Device action daemon)
4 *
5 * Copyright (c) 2002 M. Warner Losh <imp@freebsd.org>.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sbin/devd/token.l 105573 2002-10-20 22:15:17Z imp $
30 */
31
32#include <stdlib.h>
33#include <string.h>
34#include <syslog.h>
35#include "devd.h"
36#include "y.tab.h"
37
38int lineno = 1;
39#define YY_NO_UNPUT
40
41%}
42
43%%
44
45[ \t]+			;
46\n			lineno++;
47;			{ return SEMICOLON; }
48\/\/.*$			;
49\/\*(.|\n)*\*\/		;
50\{			{ return BEGINBLOCK; }
51\}			{ return ENDBLOCK; }
52[0-9]+			{ yylval.i = atoi(yytext); return NUMBER; }
53\"[^"]+\"		{
54				int len = strlen(yytext) - 2;
55				if ((yylval.str = (char *) malloc(len + 1)) == NULL)
56					goto out;
57				memcpy(yylval.str, yytext + 1, len);
58				yylval.str[len] = '\0';
59			out:;
60				return STRING;
61			}
62
63
64options			{ return OPTIONS; }
65set			{ return SET; }
66directory		{ return DIRECTORY; }
67pid-file		{ return PID_FILE; }
68attach			{ return ATTACH; }
69detach			{ return DETACH; }
70device-name		{ return DEVICE_NAME; }
71action			{ return ACTION; }
72match			{ return MATCH; }
73nomatch			{ return NOMATCH; }
74[A-Za-z][A-Za-z0-9-]*	{
75				int len = strlen(yytext);
76				if ((yylval.str = (char *) malloc(len + 1)) == NULL)
77					goto out2;
78				memcpy(yylval.str, yytext + 1, len);
79				yylval.str[len] = '\0';
80			out2:;
81				return ID;
82			}
83%%
84
85void
86yyerror(const char *s)
87{
88	syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s);
89}
90