gistfile1.scala

/**
 * Created with IntelliJ IDEA.
 * User: q
 * Date: 1/3/14
 * Time: 4:04 PM
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 */
import scala.util.parsing.combinator._

class ProgramAST;
class ModelAST;
class ModelMemberAST;

class ModelCombinator extends JavaTokenParsers {

  def program: Parser[ProgramAST] = rep(model) ^^ new ProgramAST()

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

  def member: Parser[Any] = ident ~ ":" ~ ident ~ relationNode.?

  def relationNode: Parser[Any] = "@" ~ ("eager" | "lazy") ~ relation.? ~ ";"

  def relationMember: Parser[Any] = "N" | "1"

  def relation: Parser[Any] = "[" ~ relationMember ~ "-" ~ relationMember ~ "]"

}

object Main extends ModelCombinator {

  def main(args: Array[String]) {
    val result = parseAll(program, "model User { name : String }  ")
    //    println(s"Parsed $result")

  }
}

scala: type mismatch;
found : ProgramAST
required: List[Any] => ProgramAST
def program: Parser[ProgramAST] = rep(model) ^^ new ProgramAST()
^

I'm not sure how to read this error, but its always the same no matter what I return from program