exp

def exp : Parser[Any] = term ~ opt("<"|">"|"<="|">=" ~ term)
			def term : Parser[Any] = term1 ~ opt("=="|"<>" ~ term1)
			def term1: Parser[Any] = term2 ~ rep("&&"|"||" ~ term2)
			def term2: Parser[Any] = term3 ~ rep("+"|"-" ~ term3)
			def term3: Parser[Any] = term4 ~ rep(("*"|"/"|"\\"|"%") ~ term4)
			def term4: Parser[Any] = term5 ~ rep("^" ~ term5)
			def term5: Parser[Any] = opt("!") ~ term6
			def term6: Parser[Any] = opt("-"|"+") ~ term7
			def term7: Parser[Any] = term8 ~ opt("[" ~ exp ~ "]")
			def term8: Parser[Any] = term9 ~ rep("." ~ ident ~ opt("(" ~ explist ~ ")"))
			def term9: Parser[Any] = ("new" ~ ident ~ "(" ~ explist ~ ")")|term10
			def term10: Parser[Any] = ident| lit| "(" ~ exp ~ ")"| "self"