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 * $FreeBSD$
30 */
31
32#include <ctype.h>
33#include <stdlib.h>
34#include <string.h>
35#include <syslog.h>
36#include "devd.h"
37#include "y.tab.h"
38
39int lineno = 1;
40
41static void
42update_lineno(const char *cp)
43{
44	while (*cp)
45		if (*cp++ == '\n')
46			lineno++;
47}
48
49%}
50
51%option nounput
52%option noinput
53
54%%
55
56[ \t]+			;
57\n			lineno++;
58;			{ return SEMICOLON; }
59#.*$			;
60\/\/.*$			;
61\/\*([^*]|(\*+([^*\/])))*\*+\/ { update_lineno(yytext); }
62\{			{ return BEGINBLOCK; }
63\}			{ return ENDBLOCK; }
64[0-9]+			{ yylval.i = atoi(yytext); return NUMBER; }
65\"[^"]+\"		{
66				int len = strlen(yytext) - 2;
67				char *walker;
68				int i;
69				update_lineno(yytext);
70				if ((yylval.str = (char *) malloc(len + 1)) == NULL)
71					goto out;
72				walker = yylval.str;
73				for (i = 1; i <= len; i++) {
74					if (yytext[i] == '\\' &&
75					    yytext[i + 1] == '\n') {
76						i += 2;
77						while(isspace(yytext[i]))
78							i++;
79					}
80					*walker++ = yytext[i];
81				}
82				*walker++ = '\0';
83			out:;
84				return STRING;
85			}
86
87
88options			{ return OPTIONS; }
89set			{ return SET; }
90directory		{ return DIRECTORY; }
91pid-file		{ return PID_FILE; }
92attach			{ return ATTACH; }
93detach			{ return DETACH; }
94device-name		{ return DEVICE_NAME; }
95media-type		{ return MEDIA_TYPE; }
96class			{ return CLASS; }
97subdevice		{ return SUBDEVICE; }
98action			{ return ACTION; }
99match			{ return MATCH; }
100nomatch			{ return NOMATCH; }
101notify			{ return NOTIFY; }
102[A-Za-z][A-Za-z0-9_-]*	{
103				yylval.str = strdup(yytext);
104				return ID;
105			}
106%%
107
108void
109yyerror(const char *s)
110{
111	syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s);
112}
113