3 * Copyright (c) 1998 - 2000 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. 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.
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
37 * This is to handle the definition of this symbol in some AIX
38 * headers, which will conflict with the definition that lex will
39 * generate for it. It's only a problem for AIX lex.
44 #include "compile_et.h"
49 RCSID("$Id: lex.l 15143 2005-05-16 08:52:54Z lha $");
52 static unsigned lineno = 1;
53 static int getstring(void);
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(i < sizeof(x) - 1 && (c = input()) != EOF){
102 error_message("unterminated string");
115 yylval.string = strdup(x);
116 if (yylval.string == NULL)
122 error_message (const char *format, ...)
126 va_start (args, format);
127 fprintf (stderr, "%s:%d:", filename, lineno);
128 vfprintf (stderr, format, args);