1 /*
2 * This file is part of flex.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE.
22 */
23
24 %{
25 /* A template scanner file to build "scanner.c". */
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include "config.h"
29 /*#include "parser.h" */
30
31 #define err_abort() do{printf("ERROR: flex line %d. input line %d.\n", __LINE__, yylineno); abort();} while(0)
32 #define a_ok() do{printf("OK: flex line %d. input line %d.\n", __LINE__, yylineno); return 1;}while(0)
33 %}
34
35 %option 8bit prefix="test"
36 %option nounput nomain noyywrap noinput
37 %option warn
38
39
40 %%
41
42 ^"^alpha:"[[:^alpha:]]+@alpha@\n printf("OK: %s", yytext); ++yylineno; return 1;
43 ^"^digit:"[[:^digit:]]+@digit@\n printf("OK: %s", yytext); ++yylineno; return 1;
44 ^"^alnum:"[[:^alnum:]]+@alnum@\n printf("OK: %s", yytext); ++yylineno; return 1;
45 ^"^upper:"[[:^upper:]]+@upper@\n printf("OK: %s", yytext); ++yylineno; return 1;
46 ^"^lower:"[[:^lower:]]+@lower@\n printf("OK: %s", yytext); ++yylineno; return 1;
47 ^"^space:"[[:^space:]]+@space@\n printf("OK: %s", yytext); ++yylineno; return 1;
48 ^"^blank:"[[:^blank:]]+@blank@\n printf("OK: %s", yytext); ++yylineno; return 1;
49 ^"^punct:"[[:^punct:]]+@punct@\n printf("OK: %s", yytext); ++yylineno; return 1;
50 ^"^cntrl:"[[:^cntrl:]]+@cntrl@\n printf("OK: %s", yytext); ++yylineno; return 1;
51 ^"^xdigit:"[[:^xdigit:]]+@xdigit@\n printf("OK: %s", yytext); ++yylineno; return 1;
52
53 ^"a-d:"[[:alpha:]]{-}[[:digit:]]+@a-d@\n printf("OK: %s", yytext); ++yylineno; return 1;
54 ^"l-xyz:"([[:lower:]]{-}[xyz])+@l-xyz@\n printf("OK: %s", yytext); ++yylineno; return 1;
55 ^"abcd-bc:"([abcd]{-}[bc])+@abcd-bc@\n printf("OK: %s", yytext); ++yylineno; return 1;
56 ^"abcde-b-c:"([abcde]{-}[b]{-}[c])+@abcde-b-c@\n printf("OK: %s", yytext); ++yylineno; return 1;
57 ^"^XY-^XYZ:"([^XY]{-}[^XYZ])+@^XY-^XYZ@\n printf("OK: %s", yytext); ++yylineno; return 1;
58
59 ^"a+d:"([[:alpha:]]{+}[[:digit:]])+"@a+d@"\n a_ok();
60 ^"a-u+Q:"([[:alpha:]]{-}[[:upper:]]{+}[Q])+"@a-u+Q@"\n a_ok();
61
62 ^"ia:"(?i:a)+@ia@\n printf("OK: %s", yytext); ++yylineno; return 1;
63 ^"iabc:"(?i:abc)+@iabc@\n printf("OK: %s", yytext); ++yylineno; return 1;
64 ^"ia-c:"(?i:[a-c]+)@ia-c@\n printf("OK: %s", yytext); ++yylineno; return 1;
65
66 /* We don't want this one to match. */
67 ^"check-a:"(?i:(?-i:A))@\n err_abort();
68 ^"check-a:"(?i:(?-i:(?i:A)))@\n printf("OK: %s", yytext); ++yylineno; return 1;
69
70 /* We don't want this one to match. */
71 ^"dot-all-1:"(?-s:XXX.*)@dot-all-1@\n err_abort();
72 ^"dot-all-1:"(?s:XXX.*)@dot-all-1@\n a_ok();
73
74 ^"x1:"(?x: a | b )+@x1@\n a_ok();
75 ^"x2:"(?x: a |
76 (?# Comment )
77 b
78 )+@x2@\n a_ok();
79
80
81 .|\n { err_abort(); }
82 %%
83
84 int main(void);
85
86 int
main(void)87 main (void)
88 {
89 yyin = stdin;
90 yyout = stdout;
91 while (yylex())
92 ;
93 printf("TEST RETURNING OK.\n");
94 return 0;
95 }
96