1 /* $NetBSD: src/usr.bin/mkcsmapper/lex.l,v 1.3 2003/10/27 00:12:43 lukem Exp $ */ 2 /* $DragonFly: src/usr.bin/mkcsmapper/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 <assert.h> 33 #include <errno.h> 34 #include <limits.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 39 #include "ldef.h" 40 #include "yacc.h" 41 42 #define YY_NO_UNPUT 43 44 int line_number = 1; 45 %} 46 47 %x COMMENT 48 49 %% 50 51 [ \t]+ { } 52 #.*[\n]|"//".*[\n]|[\n] { line_number++; return (R_LN); } 53 54 "/*" { BEGIN COMMENT; } 55 <COMMENT>"*/" { BEGIN 0; } 56 <COMMENT>[\n] { line_number++; } 57 <COMMENT>. { } 58 <COMMENT><<EOF>> { 59 yyerror("unexpected file end (unterminate comment)\n"); 60 exit(1); 61 } 62 63 "="|"/"|"-" { return (int)yytext[0]; } 64 65 ([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) { 66 yylval.i_value = strtoul(yytext, NULL, 0); 67 return L_IMM; 68 } 69 70 "TYPE" { return (R_TYPE); } 71 "NAME" { return (R_NAME); } 72 "SRC_ZONE" { return (R_SRC_ZONE); } 73 "DST_INVALID" { return (R_DST_INVALID); } 74 "DST_ILSEQ" { return (R_DST_ILSEQ); } 75 "DST_UNIT_BITS" { return (R_DST_UNIT_BITS); } 76 "BEGIN_MAP" { return (R_BEGIN_MAP); } 77 "END_MAP" { return (R_END_MAP); } 78 "INVALID" { return (R_INVALID); } 79 "ILSEQ" { return (R_ILSEQ); } 80 "OOB_MODE" { return (R_OOB_MODE); } 81 "ROWCOL" { return (R_ROWCOL); } 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