1/*	$NetBSD$	*/
2
3/*
4 * This file is part of flex.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE.
24 */
25
26/* A reentrant scanner.
27   This file will not compile under flex version <= 2.5.4.
28   Sample Input:
29       # this is a comment
30       foo = true
31       bar = "string value"
32       integer = 43
33*/
34%{
35#include "config.h"
36%}
37
38%option prefix="test" outfile="scanner.c"
39%option nounput noyywrap noyylineno warn nodefault
40%option reentrant
41%option noansi-definitions noansi-prototypes
42
43IDENT [[:alnum:]_-]
44WS    [[:blank:]]
45%%
46
47^{IDENT}+{WS}*={WS}*(true|false){WS}*\r?\n    { return 100;}
48^{IDENT}+{WS}*={WS}*\"[^\"\n\r]*\"{WS}*\r?\n  { return 101;}
49^{IDENT}+{WS}*={WS}*[[:digit:]]+{WS}*\r?\n    { return 102;}
50^{WS}*#.*\r?\n     { }
51^{WS}*\r?\n        { }
52.|\n  { fprintf(stderr,"Invalid line.\n"); exit(-1);}
53
54%%
55
56int main(void);
57
58int main ()
59{
60    yyscan_t  lexer;
61    yylex_init( &lexer );
62    yyset_out ( stdout,lexer);
63    yyset_in  ( stdin, lexer);
64    while( yylex(lexer) )
65    {
66    }
67    yylex_destroy( lexer );
68    printf("TEST RETURNING OK.\n");
69    return 0;
70}
71
72