| Server IP : 85.214.239.14 / Your IP : 18.216.253.84 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/3/root/proc/self/root/usr/share/doc/re2c/examples/rust/eof/ |
Upload File : |
// re2rust $INPUT -o $OUTPUT
// Expect a string without terminating null.
fn lex(s: &[u8]) -> isize {
let mut count = 0;
let mut cur = 0;
let lim = s.len();
'lex: loop {/*!re2c
re2c:define:YYCTYPE = u8;
re2c:define:YYPEEK = "if cur < lim {*s.get_unchecked(cur)} else {0}";
re2c:define:YYSKIP = "cur += 1;";
re2c:define:YYFILL = "{ return -1; }";
re2c:yyfill:enable = 0;
* { return -1; }
[\x00] { return count; }
[a-z]+ { count += 1; continue 'lex; }
[ ]+ { continue 'lex; }
*/}
}
fn main() {
assert_eq!(lex(b""), 0);
assert_eq!(lex(b"one two three "), 3);
assert_eq!(lex(b"f0ur"), -1);
}