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()87 main ()
88 {
89     yyin = stdin;
90     yyout = stdout;
91     while (yylex())
92         ;
93     printf("TEST RETURNING OK.\n");
94     return 0;
95 }
96