Java Advent Calendar 2011 code 5

Parser.jj

PARSER_BEGIN (Parser)
public class Parser {
}
PARSER_END (Parser)

SKIP: {
	" "
}
TOKEN: {
	<INTEGER: (["0"-"9"])+>
	| <NL: "\r\n" | "\n" | "\r">
}

void List(): {
	Token integer;
} {
	integer = <INTEGER> <NL> {
		System.out.println(integer.image);
	}
}