1 /* $NetBSD: lex.l,v 1.5 2009/10/29 14:49:03 christos Exp $ */ 2 3 %{ 4 /*- 5 * Copyright (c)2003 Citrus Project, 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 30 #if HAVE_NBTOOL_CONFIG_H 31 #include "nbtool_config.h" 32 #endif 33 34 #include <sys/cdefs.h> 35 #if !defined(lint) 36 __RCSID("$NetBSD: lex.l,v 1.5 2009/10/29 14:49:03 christos Exp $"); 37 #endif /* not lint */ 38 39 #include <assert.h> 40 #include <errno.h> 41 #include <limits.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <machine/endian.h> 46 #include <sys/queue.h> 47 48 #include "ldef.h" 49 #include "yacc.h" 50 51 int line_number = 1; 52 53 %} 54 55 %option noinput nounput 56 %x COMMENT 57 58 %% 59 60 [ \t]+ { } 61 #.*[\n]|"//".*[\n]|[\n] { line_number++; return (R_LN); } 62 63 "/*" { BEGIN COMMENT; } 64 <COMMENT>"*/" { BEGIN 0; } 65 <COMMENT>[\n] { line_number++; } 66 <COMMENT>. { } 67 <COMMENT><<EOF>> { 68 yyerror("unexpected file end (unterminate comment)\n"); 69 exit(1); 70 } 71 72 ([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) { 73 yylval.i_value = strtoul(yytext, NULL, 0); 74 return L_IMM; 75 } 76 77 "NAME" { return R_NAME; } 78 "ENCODING" { return R_ENCODING; } 79 "VARIABLE" { return R_VARIABLE; } 80 "DEFCSID" { return R_DEFCSID; } 81 "INVALID" { return R_INVALID; } 82 83 \"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' { 84 size_t len; 85 len = strlen(yytext); 86 yylval.s_value = malloc(len-1); 87 strlcpy(yylval.s_value, yytext+1, len-1); 88 return L_STRING; 89 } 90 [^ =/\-0-9\t\n][^ \t\n]* { 91 yylval.s_value = strdup(yytext); 92 return L_STRING; 93 } 94 95 %% 96 97 #ifndef yywrap 98 int 99 yywrap(void) 100 { 101 return (1); 102 } 103 #endif 104