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: stable/11/sbin/devd/token.l 352280 2019-09-13 07:21:06Z bapt $ 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 41int lineno = 1; 42 43static void 44update_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 91options { return OPTIONS; } 92set { return SET; } 93directory { return DIRECTORY; } 94pid-file { return PID_FILE; } 95attach { return ATTACH; } 96detach { return DETACH; } 97device-name { return DEVICE_NAME; } 98media-type { return MEDIA_TYPE; } 99class { return CLASS; } 100subdevice { return SUBDEVICE; } 101action { return ACTION; } 102match { return MATCH; } 103nomatch { return NOMATCH; } 104notify { return NOTIFY; } 105[A-Za-z][A-Za-z0-9_-]* { 106 yylval.str = strdup(yytext); 107 return ID; 108 } 109%% 110 111void 112yyerror(const char *s) 113{ 114 syslog(LOG_ERR, "line %d: %s%s %s.\n", lineno, yytext, yytext?":":"", s); 115} 116