/*
* This file is part of flex.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE.
*/

%{
/* A template scanner file to build "scanner.c". */
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
/*#include "parser.h" */

#define err_abort() do{printf("ERROR: flex line %d. input line %d.\n", __LINE__, yylineno); abort();} while(0)
#define a_ok()      do{printf("OK: flex line %d. input line %d.\n", __LINE__, yylineno); return 1;}while(0)
%}

%option 8bit prefix="test"
%option nounput nomain noyywrap noinput
%option warn


%%

^"^alpha:"[[:^alpha:]]+@alpha@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^digit:"[[:^digit:]]+@digit@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^alnum:"[[:^alnum:]]+@alnum@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^upper:"[[:^upper:]]+@upper@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^lower:"[[:^lower:]]+@lower@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^space:"[[:^space:]]+@space@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^blank:"[[:^blank:]]+@blank@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^punct:"[[:^punct:]]+@punct@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^cntrl:"[[:^cntrl:]]+@cntrl@\n        printf("OK: %s", yytext); ++yylineno; return 1;
^"^xdigit:"[[:^xdigit:]]+@xdigit@\n      printf("OK: %s", yytext); ++yylineno; return 1;

^"a-d:"[[:alpha:]]{-}[[:digit:]]+@a-d@\n  printf("OK: %s", yytext); ++yylineno; return 1;
^"l-xyz:"([[:lower:]]{-}[xyz])+@l-xyz@\n    printf("OK: %s", yytext); ++yylineno; return 1;
^"abcd-bc:"([abcd]{-}[bc])+@abcd-bc@\n          printf("OK: %s", yytext); ++yylineno; return 1;
^"abcde-b-c:"([abcde]{-}[b]{-}[c])+@abcde-b-c@\n    printf("OK: %s", yytext); ++yylineno; return 1;
^"^XY-^XYZ:"([^XY]{-}[^XYZ])+@^XY-^XYZ@\n    printf("OK: %s", yytext); ++yylineno; return 1;

^"a+d:"([[:alpha:]]{+}[[:digit:]])+"@a+d@"\n    a_ok();
^"a-u+Q:"([[:alpha:]]{-}[[:upper:]]{+}[Q])+"@a-u+Q@"\n    a_ok();

^"ia:"(?i:a)+@ia@\n                          printf("OK: %s", yytext); ++yylineno; return 1;
^"iabc:"(?i:abc)+@iabc@\n                    printf("OK: %s", yytext); ++yylineno; return 1;
^"ia-c:"(?i:[a-c]+)@ia-c@\n                             printf("OK: %s", yytext); ++yylineno; return 1;

   /* We don't want this one to match. */
^"check-a:"(?i:(?-i:A))@\n               err_abort();
^"check-a:"(?i:(?-i:(?i:A)))@\n          printf("OK: %s", yytext); ++yylineno; return 1;

   /* We don't want this one to match. */
^"dot-all-1:"(?-s:XXX.*)@dot-all-1@\n    err_abort();
^"dot-all-1:"(?s:XXX.*)@dot-all-1@\n    a_ok();

^"x1:"(?x:   a | b  )+@x1@\n              a_ok();
^"x2:"(?x:   a |
       (?# Comment )
   b
   )+@x2@\n              a_ok();


|\n                       { err_abort(); }
%%

int main(void);

int
main (void)
{
   yyin = stdin;
   yyout = stdout;
   while (yylex())
       ;
   printf("TEST RETURNING OK.\n");
   return 0;
}