Packages

  • package root
    Definition Classes
    root
  • package parsley
    Definition Classes
    root
  • object registers

    This module contains all the functionality and operations for using and manipulating registers.

    This module contains all the functionality and operations for using and manipulating registers.

    These often have a role in performing context-sensitive parsing tasks, where a Turing-powerful system is required. While flatMap is capable of such parsing, it is much less efficient than the use of registers, though slightly more flexible. In particular, the persist combinator enabled by RegisterMethods can serve as a drop-in replacement for flatMap in many scenarios.

    Definition Classes
    parsley
    Since

    2.2.0

  • Reg
  • RegisterMaker
  • RegisterMethods
c

parsley.registers

RegisterMaker

implicit final class RegisterMaker[A] extends AnyRef

This class, when in scope, enables a method to create and fill a register with a given value.

Source
registers.scala
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Instance Constructors

  1. new RegisterMaker(x: A)

    This constructor should not be called manually, it is designed to be used via Scala's implicit resolution.

    This constructor should not be called manually, it is designed to be used via Scala's implicit resolution.

    x

    the value to initialise a register with.

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. def makeReg[B](body: (Reg[A]) ⇒ Parsley[B]): Parsley[B]

    This combinator fills a fresh register with the this value.

    This combinator fills a fresh register with the this value.

    This allows for a more controlled way of creating registers during a parse, without explicitly creating them with Reg.make[A] and using put. These registers are intended to be fresh every time they are "created", in other words, a recursive call with a makeReg call inside will modify a different register.

    body

    a function to generate a parser that can interact with the freshly created register.

    Since

    4.0.0

    See also

    fillReg for a version that uses the result of a parser to fill the register instead.

  13. final def ne(arg0: AnyRef): Boolean
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  14. final def notify(): Unit
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