1 /* $NetBSD: src/usr.bin/mkesdb/lex.l,v 1.2 2003/10/27 00:12:43 lukem Exp $ */ 2 /* $DragonFly: src/usr.bin/mkesdb/lex.l,v 1.2 2006/09/09 23:24:43 pavalos Exp $ */ 3 4 %{ 5 /*- 6 * Copyright (c)2003 Citrus Project, 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/endian.h> 32 #include <sys/queue.h> 33 #include <assert.h> 34 #include <errno.h> 35 #include <limits.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 40 #include "ldef.h" 41 #include "yacc.h" 42 43 #define YY_NO_UNPUT 44 45 int line_number = 1; 46 %} 47 48 %x COMMENT 49 50 %% 51 52 [ \t]+ { } 53 #.*[\n]|"//".*[\n]|[\n] { line_number++; return (R_LN); } 54 55 "/*" { BEGIN COMMENT; } 56 <COMMENT>"*/" { BEGIN 0; } 57 <COMMENT>[\n] { line_number++; } 58 <COMMENT>. { } 59 <COMMENT><<EOF>> { 60 yyerror("unexpected file end (unterminate comment)\n"); 61 exit(1); 62 } 63 64 ([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) { 65 yylval.i_value = strtoul(yytext, NULL, 0); 66 return L_IMM; 67 } 68 69 "NAME" { return R_NAME; } 70 "ENCODING" { return R_ENCODING; } 71 "VARIABLE" { return R_VARIABLE; } 72 "DEFCSID" { return R_DEFCSID; } 73 "INVALID" { return R_INVALID; } 74 75 \"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' { 76 size_t len; 77 len = strlen(yytext); 78 yylval.s_value = malloc(len-1); 79 strlcpy(yylval.s_value, yytext+1, len-1); 80 return L_STRING; 81 } 82 [^ =/\-0-9\t\n][^ \t\n]* { 83 yylval.s_value = strdup(yytext); 84 return L_STRING; 85 } 86 87 %% 88 89 #ifndef yywrap 90 int 91 yywrap(void) 92 { 93 return (1); 94 } 95 #endif 96