1 /* $NetBSD: lex.l,v 1.6 2009/10/29 14:37:16 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 1.6 2009/10/29 14:37:16 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 47 #include "ldef.h" 48 #include "yacc.h" 49 50 int line_number = 1; 51 52 53 %} 54 55 %option noinput nounput 56 57 %x COMMENT 58 59 %% 60 61 [ \t]+ { } 62 #.*[\n]|"//".*[\n]|[\n] { line_number++; return (R_LN); } 63 64 "/*" { BEGIN COMMENT; } 65 <COMMENT>"*/" { BEGIN 0; } 66 <COMMENT>[\n] { line_number++; } 67 <COMMENT>. { } 68 <COMMENT><<EOF>> { 69 yyerror("unexpected file end (unterminate comment)\n"); 70 exit(1); 71 } 72 73 "="|"/"|"-" { return (int)yytext[0]; } 74 75 ([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) { 76 yylval.i_value = strtoul(yytext, NULL, 0); 77 return L_IMM; 78 } 79 80 "TYPE" { return (R_TYPE); } 81 "NAME" { return (R_NAME); } 82 "SRC_ZONE" { return (R_SRC_ZONE); } 83 "DST_INVALID" { return (R_DST_INVALID); } 84 "DST_ILSEQ" { return (R_DST_ILSEQ); } 85 "DST_UNIT_BITS" { return (R_DST_UNIT_BITS); } 86 "BEGIN_MAP" { return (R_BEGIN_MAP); } 87 "END_MAP" { return (R_END_MAP); } 88 "INVALID" { return (R_INVALID); } 89 "ILSEQ" { return (R_ILSEQ); } 90 "OOB_MODE" { return (R_OOB_MODE); } 91 "ROWCOL" { return (R_ROWCOL); } 92 93 \"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' { 94 size_t len; 95 len = strlen(yytext); 96 yylval.s_value = malloc(len-1); 97 strlcpy(yylval.s_value, yytext+1, len-1); 98 return L_STRING; 99 } 100 [^ =/\-0-9\t\n][^ \t\n]* { 101 yylval.s_value = strdup(yytext); 102 return L_STRING; 103 } 104 105 %% 106 107 #ifndef yywrap 108 int 109 yywrap(void) 110 { 111 return (1); 112 } 113 #endif 114