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/*
* 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 ()
{
char * buf;
int len;
YY_BUFFER_STATE state;
yyscan_t scanner=NULL;
/* Scan a good string. */
printf("Testing: yy_scan_string(%s): ",INPUT_STRING_1); fflush(stdout);
yylex_init(&scanner);
state = yy_scan_string ( INPUT_STRING_1 ,scanner);
yylex(scanner);
yy_delete_buffer(state, scanner);
yylex_destroy(scanner);
/* Scan only the first 12 chars of a string. */
printf("Testing: yy_scan_bytes(%s): ",INPUT_STRING_2); fflush(stdout);
yylex_init(&scanner);
state = yy_scan_bytes ( INPUT_STRING_2, 12 ,scanner);
yylex(scanner);
yy_delete_buffer(state,scanner);
yylex_destroy(scanner);
/* Scan directly from a buffer.
We make a copy, since the buffer will be modified by flex.*/
printf("Testing: yy_scan_buffer(%s): ",INPUT_STRING_1); fflush(stdout);
len = strlen(INPUT_STRING_1) + 2;
buf = (char*)malloc( len );
strcpy( buf, INPUT_STRING_1);
buf[ len -2 ] = 0; /* Flex requires two NUL bytes at end of buffer. */
buf[ len -1 ] =0;
yylex_init(&scanner);
state = yy_scan_buffer( buf, len ,scanner);
yylex(scanner);
yy_delete_buffer(state,scanner);
yylex_destroy(scanner);
printf("TEST RETURNING OK.\n");
return 0;
}
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