1 %{ 2 /*- 3 * DEVD (Device action daemon) 4 * 5 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 6 * 7 * Copyright (c) 2002 M. Warner Losh <imp@freebsd.org>. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 #include <ctype.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <syslog.h> 38 #include "devd.h" 39 #include "y.tab.h" 40 41 int lineno = 1; 42 43 static void 44 update_lineno(const char *cp) 45 { 46 while (*cp) 47 if (*cp++ == '\n') 48 lineno++; 49 } 50 51 %} 52 53 %option noyywrap 54 %option nounput 55 %option noinput 56 57 %% 58 59 [ \t]+ ; 60 \n lineno++; 61 ; { return SEMICOLON; } 62 #.*$ ; 63 \/\/.*$ ; 64 \/\*([^*]|(\*+([^*\/])))*\*+\/ { update_lineno(yytext); } 65 \{ { return BEGINBLOCK; } 66 \} { return ENDBLOCK; } 67 [0-9]+ { yylval.i = atoi(yytext); return NUMBER; } 68 \"[^"]+\" { 69 int len = strlen(yytext) - 2; 70 char *walker; 71 int i; 72 update_lineno(yytext); 73 if ((yylval.str = (char *) malloc(len + 1)) == NULL) 74 goto out; 75 walker = yylval.str; 76 for (i = 1; i <= len; i++) { 77 if (yytext[i] == '\\' && 78 yytext[i + 1] == '\n') { 79 i += 2; 80 while(isspace(yytext[i])) 81 i++; 82 } 83 *walker++ = yytext[i]; 84 } 85 *walker++ = '\0'; 86 out:; 87 return STRING; 88 } 89 90 91 options { return OPTIONS; } 92 set { return SET; } 93 directory { return DIRECTORY; } 94 pid-file { return PID_FILE; } 95 attach { return ATTACH; } 96 detach { return DETACH; } 97 device-name { return DEVICE_NAME; } 98 media-type { return MEDIA_TYPE; } 99 class { return CLASS; } 100 subdevice { return SUBDEVICE; } 101 action { return ACTION; } 102 match { return MATCH; } 103 nomatch { return NOMATCH; } 104 notify { return NOTIFY; } 105 [A-Za-z][A-Za-z0-9_-]* { 106 yylval.str = strdup(yytext); 107 return ID; 108 } 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