1 /* $NetBSD: lex.l,v 1.1.1.1 2011/04/13 18:14:43 elric Exp $ */
5 * Copyright (c) 1998 - 2000 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
38 * This is to handle the definition of this symbol in some AIX
39 * headers, which will conflict with the definition that lex will
40 * generate for it. It's only a problem for AIX lex.
45 #include "compile_et.h"
49 static unsigned lineno = 1;
50 static int getstring(void);
62 error_table { return ET; }
64 error_code { return EC; }
65 prefix { return PREFIX; }
66 index { return INDEX; }
69 [0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
73 \" { return getstring(); }
74 [a-zA-Z0-9_]+ { yylval.string = strdup(yytext); return STRING; }
78 #ifndef yywrap /* XXX */
93 while(i < sizeof(x) - 1 && (c = input()) != EOF){
100 _lex_error_message("unterminated string");
113 yylval.string = strdup(x);
114 if (yylval.string == NULL)
120 _lex_error_message (const char *format, ...)
124 va_start (args, format);
125 fprintf (stderr, "%s:%d:", filename, lineno);
126 vfprintf (stderr, format, args);