Class/Object

ap.parser

CollectingVisitor

Related Docs: object CollectingVisitor | package parser

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abstract class CollectingVisitor[A, R] extends AnyRef

Visitor schema that traverses an expression in depth-first left-first order. For each node, the method preVisit is called when descending and the method postVisit when returning. The visitor works with iteration (not recursion) and is able to deal also with large expressions

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Instance Constructors

  1. new CollectingVisitor()

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Type Members

  1. abstract class PreVisitResult extends AnyRef

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  2. case class ShortCutResult(res: R) extends PreVisitResult with Product with Serializable

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    Skip the call to postVisit and do not visit any of the sub-expressions.

    Skip the call to postVisit and do not visit any of the sub-expressions. Instead, directly return res as result

  3. case class SubArgs(args: Seq[A]) extends PreVisitResult with Product with Serializable

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    Specify the arguments to use for the individual sub-expressions

  4. case class TryAgain(newT: IExpression, newArg: A) extends PreVisitResult with Product with Serializable

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    Call preVisit again with a different expression and argument

    Call preVisit again with a different expression and argument

  5. case class UniSubArgs(arg: A) extends PreVisitResult with Product with Serializable

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    Use arg for each of the direct sub-expressions

    Use arg for each of the direct sub-expressions

Abstract Value Members

  1. abstract def postVisit(t: IExpression, arg: A, subres: Seq[R]): R

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Concrete 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. object KeepArg extends PreVisitResult with Product with Serializable

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    Use the same argument for the direct sub-expressions as for this expression

  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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

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  8. def equals(arg0: Any): Boolean

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  9. def finalize(): Unit

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

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  11. def hashCode(): Int

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  12. final def isInstanceOf[T0]: Boolean

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

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  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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  16. def preVisit(t: IExpression, arg: A): PreVisitResult

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

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  18. def toString(): String

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  19. def visit(expr: IExpression, arg: A): R

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  20. def visitWithoutResult(expr: IExpression, arg: A): Unit

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  21. final def wait(): Unit

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

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

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