/*
* 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"

#define NUMBER 200
#define WORD   201

%}

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


%%

[[:space:]]+   { }
[[:digit:]]+   { printf("NUMBER "); fflush(stdout);}
[[:alpha:]]+   { printf("WORD "); fflush(stdout);}
             {
   fprintf(stderr,"*** Error: Unrecognized character '%c' while scanning.\n",
        yytext[0]);
   yyterminate();
   }

<<EOF>>  { printf("<<EOF>>\n"); yyterminate();}

%%


#define INPUT_STRING_1  "1234 foo bar"
#define INPUT_STRING_2  "1234 foo bar *@&@&###@^$#&#*"

int main(void);

int
main (void)
{
   char * buf;
   size_t len;
   YY_BUFFER_STATE state;
   yyscan_t  scanner=NULL;


   /* Scan a good string. */
   printf("Testing: test_scan_string(%s): ",INPUT_STRING_1); fflush(stdout);
   testlex_init(&scanner);
   state = test_scan_string ( INPUT_STRING_1 ,scanner);
   testlex(scanner);
   test_delete_buffer(state, scanner);
   testlex_destroy(scanner);

   /* Scan only the first 12 chars of a string. */
   printf("Testing: test_scan_bytes(%s): ",INPUT_STRING_2); fflush(stdout);
   testlex_init(&scanner);
   state = test_scan_bytes  ( INPUT_STRING_2, 12 ,scanner);
   testlex(scanner);
   test_delete_buffer(state,scanner);
   testlex_destroy(scanner);

   /* Scan directly from a buffer.
      We make a copy, since the buffer will be modified by flex.*/
   printf("Testing: test_scan_buffer(%s): ",INPUT_STRING_1); fflush(stdout);
   len = strlen(INPUT_STRING_1) + 2;
   buf = malloc(len);
   strcpy( buf, INPUT_STRING_1);
   buf[ len -2 ]  = 0; /* Flex requires two NUL bytes at end of buffer. */
   buf[ len -1 ] =0;

   testlex_init(&scanner);
   state = test_scan_buffer( buf, len ,scanner);
   testlex(scanner);
   test_delete_buffer(state,scanner);
   testlex_destroy(scanner);

   printf("TEST RETURNING OK.\n");
   return 0;
}