Class/Object

epic.parser.projections

GrammarRefinements

Related Docs: object GrammarRefinements | package projections

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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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Instance Constructors

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

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Value Members

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

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  2. final def ##(): Int

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

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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

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

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

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  9. def finalize(): Unit

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

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  11. final def isInstanceOf[T0]: Boolean

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  12. val labels: ProjectionIndexer[C, F]

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

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

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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

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    Gives the localized refinement of each parent

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

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

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

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

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

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

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

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

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  26. final def wait(): Unit

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

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

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