epic.parser.projections

GrammarRefinements

final case class GrammarRefinements[C, F](labels: ProjectionIndexer[C, F], rules: ProjectionIndexer[Rule[C], Rule[F]]) extends Product with Serializable

Handles the mapping between a coarser grammar and a finer grammar. (For example, an xbar grammar and an xbar grammar with latent variables.) It mostly just aggregates two epic.projections.ProjectionIndexers, one for labels and one for rules. It also provides convenience methods for, e.g., getting all rule refinements that have a given parent refinment.

Refined symbols and rules are given a "local" integer index that is specific to a coarse symbol. For example, NP-4 might have "global index" 37 for all symbols, but will have NP-specific local index 4. Analogously, NP-4 -> NP-3 PP-2 will have a NP -> NP PP specific local index.

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@SerialVersionUID( 2L )
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Instance Constructors

  1. new GrammarRefinements(labels: ProjectionIndexer[C, F], rules: ProjectionIndexer[Rule[C], Rule[F]])

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  2. final def !=(arg0: Any): Boolean

    Definition Classes
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  3. final def ##(): Int

    Definition Classes
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  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )

  8. def coarseRulesGivenParentRef(parent: Int, parentRef: Int): Array[Int]

  9. def compose[F2](other: GrammarRefinements[F, F2]): GrammarRefinements[C, F2]

  10. final def eq(arg0: AnyRef): Boolean

    Definition Classes
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  11. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  12. final def getClass(): Class[_]

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  13. final def isInstanceOf[T0]: Boolean

    Definition Classes
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  14. val labels: ProjectionIndexer[C, F]

  15. def leftChildRefinementsCompatibleWithRule(r: Int): Array[Int]

  16. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  17. final def notify(): Unit

    Definition Classes
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  18. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  19. def parentRefinement(r: Int, ref: Int): Int

    Gives the localized refinement of each parent

  20. def parentRefinementsCompatibleWithRule(r: Int): Array[Int]

  21. def rightChildRefinementsCompatibleWithRule(r: Int): Array[Int]

  22. def ruleRefinementsCompatibleWithChildRef(r: Int, childRef: Int): Array[Int]

  23. def ruleRefinementsCompatibleWithLeftRef(r: Int, leftChildRef: Int): Array[Int]

  24. def ruleRefinementsCompatibleWithParentRef(r: Int, parentRef: Int): Array[Int]

  25. def ruleRefinementsCompatibleWithRightRef(r: Int, rightChildRef: Int): Array[Int]

  26. val rules: ProjectionIndexer[Rule[C], Rule[F]]

  27. final def synchronized[T0](arg0: ⇒ T0): T0

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  28. final def wait(): Unit

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  29. final def wait(arg0: Long, arg1: Int): Unit

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  30. final def wait(arg0: Long): Unit

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