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// re2rust $INPUT -o $OUTPUT --api simple
/*!rules:re2c:x
re2c:YYCTYPE = u8;
re2c:api:style = free-form;
$ { return 0; }
* { return 1; }
[a] $ { return 2; }
[a] { return 3; }
[b] $ | [b] { return 4; }
[c]+ $ { return 5; }
*/
fn lex_simple(yyinput: &[u8]) -> isize {
let mut yycursor = 0;
let mut yymarker = 0;
let yylimit = yyinput.len() - 1;
/*!use:re2c:x
re2c:yyfill:enable = 0;
*/
}
fn lex_eof(yyinput: &[u8]) -> isize {
let mut yycursor = 0;
let mut yymarker = 0;
let yylimit = yyinput.len() - 1;
/*!use:re2c:x
re2c:eof = 0;
re2c:YYFILL = "false";
re2c:YYEND = "yycursor == yylimit";
*/
}
/*!max:re2c*/
fn lex_scc(s: &[u8]) -> isize {
let mut yycursor = 0;
let mut yymarker = 0;
let yylimit = s.len() + YYMAXFILL;
let end = s.len() - 1;
// Copy string to a buffer and add YYMAXFILL zero padding.
let mut yyinput = Vec::with_capacity(yylimit);
yyinput.extend_from_slice(s);
yyinput.extend([0 as u8; YYMAXFILL]);
/*!use:re2c:x
re2c:YYFILL = "return -1;";
re2c:YYEND = "yycursor == end";
*/
}
fn test(s: &[u8], r: isize) {
assert_eq!(lex_simple(s), r);
assert_eq!(lex_eof(s), r);
assert_eq!(lex_scc(s), r);
}
fn main() {
test(b"\x00", 0);
test(b"a\x00", 2);
test(b"ax\x00", 3);
test(b"b\x00", 4);
test(b"bx\x00", 4);
test(b"ccc\x00", 5);
}
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