Packages

  • package root
    Definition Classes
    root
  • package parsley
    Definition Classes
    root
  • package errors

    This package contains various functionality relating to the generation and formatting of error messages.

    This package contains various functionality relating to the generation and formatting of error messages.

    In particular, it includes a collection of combinators for improving error messages within the parser, including labelling and providing additional information. It also contains combinators that can be used to valid data produced by a parser, to ensure it conforms to expected invariances, producing good quality error messages if this is not the case. Finally, this package contains ways of changing the formatting of error messages: this can either be changing how the default String-based errors are formatted, or by injectiing Parsley's errors into a custom error object.

    Definition Classes
    parsley
  • package expr

    This package contains various functionality relating to the parsing of expressions..

    This package contains various functionality relating to the parsing of expressions..

    This includes the "chain" combinators, which tackle the left-recursion problem and allow for the parsing and combining of operators with values. It also includes functionality for constructing larger precedence tables, which may even vary the type of each layer in the table, allowing for strongly-typed expression parsing.

    Definition Classes
    parsley
  • Failure
  • Parsley
  • Result
  • Success
  • ap
  • character
  • combinator
  • debug
  • extension
  • genericbridges
  • io
  • lift
  • registers
  • package implicits

    This package contains various functionality that involve Scala's implicits mechanism.

    This package contains various functionality that involve Scala's implicits mechanism.

    This includes conversions from scala literals into parsers, as well as enabling new syntax on regular Scala values (such as Parsley's lift or zipped syntax). Automatic conversion to Parsley[Unit] is also supported within this package.

    Definition Classes
    parsley
  • package token

    This package provides a wealth of functionality for performing common lexing tasks.

    This package provides a wealth of functionality for performing common lexing tasks.

    It is organised as follows:

    • the main parsing functionality is accessed via Lexer, which provides implementations for the combinators found in the sub-packages given a LexicalDesc.
    • the descriptions sub-package is how a lexical structure can be described, providing the configuration that alters the behaviour of the parsers produced by the Lexer.
    • the other sub-packages contain the high-level interfaces that the Lexer exposes, which can be used to pass whitespace-aware and non-whitespace-aware combinators around in a uniform way.
    • the predicate module contains functionality to help define boolean predicates on characters or unicode codepoints.
    Definition Classes
    parsley
o

parsley

extension

object extension

These implicit classes can be used to extend the core combinator set of Parsley.

This may mean that importing them enables combinators that can be used on non-Parsley types, or might enable some syntactic sugar that is not part of the core combinator "style".

Source
extension.scala
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Type Members

  1. implicit final class HaskellStyleMap[-A, +B] extends AnyVal

    This class exposes the <#> combinator on functions.

    This class exposes the <#> combinator on functions.

    This extension class operates on functions. It enables the use of the <#> combinator, which is an alias for map designed to more closely mimic Haskell's style.

    Version

    4.0.0

  2. implicit final class LazyChooseParsley[P, Q, +A] extends AnyRef

    This class exposes an if combinator on pairs of parsers.

    This class exposes an if combinator on pairs of parsers.

    This extension class operators on pairs of values that are convertible to parsers. It enables the use of the ?: combinator, which is an alias for ifP.

    P

    the type of left base value that this class is used on (the conversion to Parsley) is summoned automatically.

    Q

    the type of right base value that this class is used on (the conversion to Parsley) is summoned automatically.

    Version

    4.0.0

  3. implicit final class OperatorSugar[P, +A] extends AnyRef

    This class enables "operator-style" alternative combinators on parsers.

    This class enables "operator-style" alternative combinators on parsers.

    This extension class exposes a collection of "operator-style" combinators on values that are convertible to parsers that are plain syntactic sugar for other functionality in the library; they are potentially less readable than the combinators they replace, so should be used sparingly.

    P

    the type of base value that this class is used on (the conversion to Parsley) is summoned automatically.

    Since

    4.0.0

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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