gistfile1.scala

class ModelCombinator extends JavaTokenParsers {

  def mod: Parser[Any] = "model" ~ ident ^^ {
    case x => println("Hoping for string value of ident " + x.toString())
  }

  def model: Parser[Any] = "model" ~ ident ~ "{" ~ rep(member) ~ "}"

  def member: Parser[Any] = ident ~ ":" ~ ident ~ "@" ~ ("eager" | "lazy") ~ relation.? ~ ";"
  
  def relationMember: Parser[Any] = "N" | "1"
  
  def relation: Parser[Any] = "[" ~ relationMember ~ "-" ~ relationMember ~ "]"

}

object Main extends ModelCombinator {

  def main(args: Array[String]) {
    println(parse(mod,"model Foo"));

  }
}