3 * Copyright (c) 1998 Kungliga Tekniska Högskolan
4 * (Royal Institute of Technology, Stockholm, Sweden).
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * 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.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Kungliga Tekniska
21 * Högskolan and its contributors.
23 * 4. Neither the name of the Institute nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 * This is to handle the definition of this symbol in some AIX
42 * headers, which will conflict with the definition that lex will
43 * generate for it. It's only a problem for AIX lex.
48 #include "compile_et.h"
52 RCSID("$Id: lex.l,v 1.4 1998/11/20 05:58:52 assar Exp $");
55 static unsigned lineno = 1;
56 void error_message(char *, ...);
64 error_table { return ET; }
66 error_code { return EC; }
67 prefix { return PREFIX; }
68 index { return INDEX; }
71 [0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
75 \" { return getstring(); }
76 [a-zA-Z0-9_]+ { yylval.string = strdup(yytext); return STRING; }
80 #ifndef yywrap /* XXX */
95 while((c = input()) != EOF){
102 error_message("unterminated string");
115 yylval.string = strdup(x);
120 error_message (char *format, ...)
124 va_start (args, format);
125 fprintf (stderr, "%s:%d:", filename, lineno);
126 vfprintf (stderr, format, args);