gistfile1.rs

#![feature(macro_rules)]

macro_rules! grammar(
	($name:expr,$x:expr) => ( /* parser + generate function */)
)

grammar!("url", "
	rule TOP {
		<protocol>'://'<address>
	}
	token protocol {
		'http'|'https'|'ftp'|'file'
	}
	rule address {
		<subdomain>'.'<domain>'.'<tld>
	}
")

fn main() {
	let res = match url("http://www.oker.fr") {
		Ok(res) => res,
		Err(err) => panic!("{}", err)
	};
}