1 /* $NetBSD: slc-lex.l,v 1.1.1.2 2011/04/14 14:09:33 elric Exp $ */
5 * Copyright (c) 2004 Kungliga Tekniska Högskolan
6 * (Royal Institute of Technology, Stockholm, Sweden).
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the Institute nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49 static void handle_comment(void);
50 static char * handle_string(void);
61 [A-Za-z][-A-Za-z0-9_]* {
62 yylval.string = strdup ((const char *)yytext);
65 "\"" { yylval.string = handle_string(); return STRING; }
67 \/\* { handle_comment(); }
68 [={}] { return *yytext; }
73 error_message (const char *format, ...)
77 va_start (args, format);
78 fprintf (stderr, "%s:%d: ", filename, lineno);
79 vfprintf (stderr, format, args);
87 error_message("%s\n", s);
94 int start_lineno = lineno;
98 while((c = input()) != EOF) {
108 } else if(c == '*') {
111 seen_star = seen_slash = 0;
117 seen_star = seen_slash = 0;
124 error_message("unterminated comment, possibly started on line %d\n", start_lineno);
134 while((c = input()) != EOF){
142 error_message("unterminated string");