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