%PDF- %PDF-
| Direktori : /proc/thread-self/root/usr/share/doc/re2c/examples/rust/ |
| Current File : //proc/thread-self/root/usr/share/doc/re2c/examples/rust/01_basic.rs |
/* Generated by re2c */
// re2rust $INPUT -o $OUTPUT
fn lex(s: &[u8]) -> bool {
let mut cursor = 0;
{
#[allow(unused_assignments)]
let mut yych : u8 = 0;
let mut yystate : usize = 0;
'yyl: loop {
match yystate {
0 => {
yych = unsafe {*s.get_unchecked(cursor)};
cursor += 1;
match yych {
0x31 ..= 0x39 => {
yystate = 2;
continue 'yyl;
}
_ => {
yystate = 1;
continue 'yyl;
}
}
}
1 => { return false; }
2 => {
yych = unsafe {*s.get_unchecked(cursor)};
match yych {
0x30 ..= 0x39 => {
cursor += 1;
yystate = 2;
continue 'yyl;
}
_ => {
yystate = 3;
continue 'yyl;
}
}
}
3 => { return true; }
_ => {
panic!("internal lexer error")
}
}
}
}
}
fn main() {
assert!(lex(b"1234\0"));
}