repl

case class DSLBRule(rule: BinaryRule[String], weight: Double) extends DSLGrammarPart with Product with Serializable

You won't use this directly.
sealed trait DSLGrammarPart extends AnyRef

objects part of the dsl to create grammars nicely.
objects part of the dsl to create grammars nicely. You won't create these directly.
case class DSLLex(sym: String, word: String, weight: Double) extends DSLGrammarPart with Product with Serializable

You won't use this directly.
case class DSLURule(rule: UnaryRule[String], weight: Double) extends DSLGrammarPart with Product with Serializable

You won't use this directly.
class ReplGrammar extends AnyRef

This class just provides some objects I commonly want on the REPL.

object DSLGrammar

A DSL Grammar allows us to define simple weighted PCFG's quickly.
A DSL Grammar allows us to define simple weighted PCFG's quickly. Useful for testing. See definition of simpleGrammar for an example.
object DSLGrammarPart

contains implicits to create dsl grammars.
contains implicits to create dsl grammars. You won't use this directly.