1 %{ 2 /* 3 * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H�gskolan 4 * (Royal Institute of Technology, Stockholm, Sweden). 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 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 * 3. Neither the name of the Institute nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* $Id: lex.l,v 1.10 1999/12/02 17:05:02 joda Exp $ */ 36 37 #ifdef HAVE_CONFIG_H 38 #include <config.h> 39 #endif 40 #include <stdio.h> 41 #include <stdarg.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #ifdef HAVE_UNISTD_H 45 #include <unistd.h> 46 #endif 47 #include "symbol.h" 48 #include "parse.h" 49 50 void error_message(char *, ...); 51 52 static unsigned lineno = 1; 53 54 /* ","|"{"|"}"|"("|")"|"["|"]"|"|" { return *yytext; } */ 55 %} 56 57 58 %% 59 INTEGER { return INTEGER; } 60 SEQUENCE { return SEQUENCE; } 61 OF { return OF; } 62 OCTET { return OCTET; } 63 STRING { return STRING; } 64 GeneralizedTime { return GeneralizedTime; } 65 GeneralString { return GeneralString; } 66 BIT { return BIT; } 67 APPLICATION { return APPLICATION; } 68 OPTIONAL { return OPTIONAL; } 69 BEGIN { return TBEGIN; } 70 END { return END; } 71 DEFINITIONS { return DEFINITIONS; } 72 EXTERNAL { return EXTERNAL; } 73 [,{}()|] { return *yytext; } 74 "[" { return *yytext; } 75 "]" { return *yytext; } 76 ::= { return EEQUAL; } 77 --[^\n]*\n { ; } 78 -?[0-9]+ { yylval.constant = atoi(yytext); return CONSTANT; } 79 [A-Za-z][-A-Za-z0-9_]* { yylval.name = strdup (yytext); return IDENTIFIER; } 80 [ \t] ; 81 \n { lineno++; } 82 . { error_message("Ignoring char(%c)\n", *yytext); } 83 %% 84 85 #ifndef yywrap /* XXX */ 86 int 87 yywrap () 88 { 89 return 1; 90 } 91 #endif 92 93 void 94 error_message (char *format, ...) 95 { 96 va_list args; 97 98 va_start (args, format); 99 fprintf (stderr, ":%d: ", lineno); 100 vfprintf (stderr, format, args); 101 va_end (args); 102 } 103