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Changelog

Notable changes to this project are documented in this file. The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[Unreleased]

Bugfixes:

Breaking changes:

  • Prefix and Postfix operators in Parsing.Expr are chained. (#242 by @jacobpake)

New features:

Other improvements:

v10.3.0 - 2025-03-08

Bugfixes:

  • float parser of GenTokenParser does not parse negative numbers (by @mstream)
  • Fixes consumed semantics which could cause unexpected backtracking instead of a failure (by @natefaubion)
  • Fix Combinators.Array.many and Combinators.Array.many1. If the phrase fails after consuming then the combinator fails. (#240 by @jamesdbrock)

v10.2.0 - 2022-11-30

New features:

  • Add Parsing.String.Basic.takeWhile, takeWhile1 (#218 by @jamesdbrock)

v10.1.0 - 2022-11-10

New features:

  • add MonadAsk and MonadReader instances (#208 by @bentongxyz)
  • Add Parsing.String.parseErrorHuman (#209 by @jamesdbrock)
  • Add liftMaybe, liftEither, liftExceptT (#212 by @jamesdbrock)

Other improvements:

  • Better error messages for manyIndex (#211 by @jamesdbrock)
  • Docs for region (#213 by @jamesdbrock)
  • README Recursion (#214 by @jamesdbrock)

v10.0.0 - 2022-07-18

Bugfixes:

  • consumeWith doesn't consume if position does not advance (#201 by @jamesdbrock)

    This will effect parsers:

    • rest
    • string
    • takeN
    • regex
    • whiteSpace
    • skipSpaces

  • number should parse scientific notation when exponent does not contain a decimal (#204 by @MaybeJustJames)

v9.1.0 - 2022-06-12

Breaking changes:

New features:

  • Add Array combinators in a new Combinators.Array module (#199 by @jamesdbrock)

Bugfixes:

  • Bugfix in intDecimal.

Other improvements:

v9.0.0 - 2022-04-27

Breaking changes:

  • Update project and deps to PureScript v0.15.0 (#160 by @JordanMartinez)

  • Drop deprecated MonadZero instance (#160 by @JordanMartinez)

  • New optimized internals. ParserT now has a more efficient representation, resulting in (up to) 20x performance improvement. In addition to the performance, all parser execution is always stack-safe, even monadically, obviating the need to run parsers with Trampoline as the base Monad or to explicitly use MonadRec.

    Code that was parametric over the underlying Monad no longer needs to propagate a Monad constraint.

    Code that constructs parsers via the underlying representation will need to be updated, but otherwise the interface is unchanged and parsers should just enjoy the speed boost.

    (#154 by @natefaubion)

  • Make <??> right-associative (#164 by @JordanMartinez)

  • Drop <?> and <~?> prec from 3 to 4 (#163, #164 by @JordanMartinez)

    <|> was made right associative. Decreasing these two operators prevents a compiler error (i.e. MixedAssociativityError) without causing issues with <$>.

  • Rename module prefix from Text.Parsing.Parser to Parsing (#169 by @jamesdbrock)

  • Replace the regex parser. (#170 by @jamesdbrock)

  • Reorganize Combinators for #154 (#182 by @jamesdbrock)

  • Add the index field to Position. (#171 by @jamesdbrock)

  • Move the parsers

    • whiteSpace
    • skipSpaces
    • oneOf
    • oneOfCodePoints
    • noneOf
    • noneOfCodePoints from Parsing.String to Parsing.String.Basic. (#183 by @jamesdbrock)

  • Change MonadState instance (#187 by jamesdbrock)

    Users who stack a ParserT on a StateT base monad will call the MonadState members directly like get instead of needing to do lift <<< get.

    To get the ParserT internal state, call getParserT instead of get.

New features:

  • Add the anyTill primitive String combinator. (#186 by @jamesdbrock)

  • Add the Parsing.String.Replace module, copied from https://github.com/jamesdbrock/purescript-parsing-replace (#188 by @jamesdbrock) streamEditT can be written in terms of replaceT.

    streamEditT input sep editor = replaceT input (sep >>= editor >>> lift)

    (#188 by @jamesdbrock, #194 by @jamesdbrock)

  • Add the advance and manyIndex combinators. (#193 by @jamesdbrock)

Bugfixes:

  • Improve correctness and speed of number and intDecimal. (#189 by @jamesdbrock)

Other improvements:

  • Drop math dependency; update imports (#167 by @JordanMartinez)

v8.4.0 - 2022-03-15

New features:

Add regex parser. (#153 by @jamesdbrock)

v8.3.0 - 2022-03-13

New features:

Add lower parser to Text.Parsing.Parser.String.Basic. (#152 by @mkohlhass)

Bugfixes:

Add unfoldable to spago.dhall. (#152 by @mkohlhass)

v8.2.0 - 2022-01-26

Breaking changes:

New features:

  • Parser.String.rest (#140 by @jamesdbrock)
  • Parser.String.takeN (#140 by @jamesdbrock)
  • Parser.Token.eof (#140 by @jamesdbrock)
  • Parser.Combinators.manyTill_ (#143 by @jamesbrock)
  • Parser.Combinators.many1Till_ (#143 by @jamesbrock)
  • Parser.Combinators.manyTillRec_ (#143 by @jamesbrock)
  • Parser.Combinators.many1TillRec_ (#143 by @jamesbrock)
  • Parser.String.Basic.number (#142 by @jamesbrock)
  • Parser.String.Basic.intDecimal (#142 by @jamesbrock)

Bugfixes:

  • Parser.String.eof Set consumed on success so that this parser combines correctly with notFollowedBy eof. Added a test for this. (#140 by @jamesdbrock)

Other improvements:

  • Moved the Parser.Token parsers digit, hexDigit, octDigit, upper, space, letter, alphaNum into the new module Parser.String.Basic. (#142 by @jamesdbrock)
  • Documentation. (#140 by @jamesdbrock)
  • Documentation. (#143 by @jamesdbrock)
  • Documentation. (#142 by @jamesdbrock)

v8.1.0 - 2022-01-10

Other improvements: README Quick start monadic parsing tutorial

v8.0.0 - 2022-01-10

Breaking changes:

  • De-exported the private helper functions chainl1' and chainr1'. (#131 by @fsoikin)

New features:

  • Added more stack-safe (at the expense of MonadRec constraint) combinators many1Rec, sepByRec, sepBy1Rec, endByRec, endBy1Rec, chainrRec, chainr1Rec, chainlRec, chainl1Rec, skipManyRec, and skipMany1Rec. (#131 by @fsoikin)

v7.2.0 - 2022-01-07

New features:

  • Added stack-safe (at the expense of MonadRec constraint) combinators manyTillRec, many1TillRec, sepEndByRec, and sepEndBy1Rec. (#130 by @fsoikin)
  • Added a new operator <~?> (alias of withLazyErrorMessage), an analog of <?>, but allows the error message to be deferred until there is actually an error. Handy when the error message is expensive to construct. (#129 by @fsoikin)

v7.1.0 - 2022-01-06

Breaking changes:

New features:

  • Added primitive parsers oneOfCodePoints and noneOfCodePoints - CodePoint versions of oneOf and noneOf respectively. (#127 by @fsoikin)

Bugfixes:

Other improvements:

  • Added purs-tidy formatter (#126 by @thomashoneyman)

v7.0.1 - 2021-11-17

Other improvements:

  • Split license file (#125 by @maxdeviant)

v7.0.0 - 2021-10-06

Breaking changes:

  • anyChar no longer always succeeds. It will only succeed on a Basic Multilingual Plane character. The new parser anyCodePoint will always succeed. (#119 by @jamesdbrock)
  • Deleted the StringLike typeclass. Users must delete all StringLike constraints. (#119 by @jamesdbrock)
  • Moved updatePosString to the String module and don’t export it. (#119 by @jamesdbrock)
  • Changed the definition of whiteSpace and skipSpaces to Data.CodePoint.Unicode.isSpace. (#119 by @jamesdbrock)

New features:

  • Added primitive parsers anyCodePoint and satisfyCodePoint for parsing CodePoints. (#119 by @jamesdbrock)
  • Added match combinator (#119 by @jamesdbrock)

Bugfixes:

  • Ensure Unicode correctness (#119 by @jamesdbrock)

Other improvements:

  • Added benchmark suite (#119 by @jamesdbrock)
  • Split the dev dependencies out into spago-dev.dhall.

v6.0.2 - 2021-05-09

Bugfixes:

  • Reverted combinator implementation changes from #102 (@robertdp, #116)

v6.0.1 - 2021-04-20

Other improvements:

  • Removed unused names found by v0.14.1 PureScript release (#112 by @JordanMartinez)
  • Installed dependencies directly imported into source code that were previously installed transitively (#112 by @JordanMartinez)

v6.0.0 - 2021-02-26

Breaking changes:

  • Improved performance of string and update StringLike to have stripPrefix as a class member instead of indexOf (#93)
  • Non-empty combinators now return NonEmptyList (#102)
  • Added support for PureScript 0.14 and dropped support for all previous versions (#101)

New features:

  • Derived Generic instance of Position (#87)

Bugfixes:

Other improvements:

  • Updated code to use Data.Char.Unicode.hexDigitToInt and Data.Char.Unicode.isDecDigit instead ofData.Char.Unicode.digitToInt and Data.Char.Unicode.isDigit, as those two functions have been deprecated in the unicode library (#103)
  • Changed default branch to main from master
  • Updated to comply with Contributors library guidelines by adding new issue and pull request templates, updating documentation, and migrating to Spago for local development and CI (#98)

v5.1.0 - 2020-10-08

New features:

Bugfixes:

  • Fixed the token definitions for the Java language parser (@matoruru in #86)

v5.0.3 - 2019-05-06

Other improvements:

  • Updated escape sequences to match parsing in the latest version of the PureScript compiler (@natefaubion)
  • Added a documentation comment about stack safety (@Dretch)

v5.0.2 - 2018-11-15

Bugixes:

  • Docs: Updated typos in readme and documentation (@justinwoo, @rndnoise)

v5.0.1 - 2018-06-23

Other improvements:

  • Added metadata including contributor guidelines and pushed latest release to Pursuit

v5.0.0 - 2018-06-19

Breaking changes:

  • Updated for PureScript 0.12

v4.3.1 - 2017-08-08

Bugfixes:

  • Fixed shadowed name warnings

v4.3.0 - 2017-07-26

New features:

  • Added tryRethrow and improved error messages for satisfy and when (@natefaubion)

v4.2.2 - 2017-06-03

Bufixes:

  • Fixed some issues with error messages (@safareli)

v4.2.1 - 2017-04-25

Bufixes:

  • mapParserT is now exported (@safareli)

v4.2.0 - 2017-04-24

New features:

  • Add mapParserT (@safareli)

v4.1.0 - 2017-04-16

Other improvements:

  • Add Semigroup and Monoid instances (@i-am-tom)

v4.0.0 - 2017-04-05

Breaking changes:

  • Updates for 0.11 compiler

v3.2.1 - 2017-02-15

Other improvements:

  • Avoid Discard constraints (@mlang)

v3.2.0 - 2017-01-16

Bugfixes:

  • Fix some Show instances (@mlang)

v3.1.0 - 2016-12-19

New features:

  • Added hoistParserT
  • Un-applied the Parser synonym

v3.0.1 - 2016-11-17

Bugfixes:

  • Fixed shadowed name warning (@tmcgilchrist)

v2.0.0 - 2016-10-27

Breaking changes:

  • Updated for PureScript 0.10
  • Switch to transformers-based API, add new instances
  • Use some more efficient data types
  • Add port of indents Haskell package (@starkstark)
  • Switched to BSD 3-clause license to be compatible with ported Haskell code

v1.0.0 - 2016-06-10

Breaking changes:

  • Updated for the 1.0 core libraries.

v0.8.1 - 2016-05-18

Other improvements:

  • Added Eq instance for ParseError (@triggerNZ)

v0.8.0 - 2016-02-21

New features:

  • Added Language and Token modules, ported from Parsec (@cdepillabout)

v0.7.2 - 2016-01-21

Bugfixes:

  • Fixed warnings raised by psc 0.7.6.1 (@hdgarrood)

v0.7.1 - 2015-10-28

Other improvements:

  • Improved error message (@epost)

v0.7.0 - 2015-09-18

Other improvements:

  • Bumped transformers dependency.

v0.6.1 - 2015-08-26

This release requires the upcoming 0.7.4.0 release of the PureScript compiler. Previous versions of this library will not work with psc versions <= 0.7.3.0.

Breaking changes:

  • Updated to transformers-0.7.

v0.5.1 - 2015-08-18

Other improvements:

  • Updated documentation (@kRITZCREEK)

v0.5.0 - 2015-08-13

Other improvements:

  • Bump dependencies

v0.4.0 - 2015-06-30

  • Updated for PureScript 0.7. This release works with versions 0.7.* of the PureScript compiler. It will not work with older versions. If you are using an older version, you should require an older, compatible version of this library.

v0.3.1 - 2015-03-04

  • Added token, match and when (@cryogenian)

v0.3.0 - 2015-02-21

  • Updated dependencies. Note: This release requires PureScript v0.6.8 or later

v0.2.0 - 2015-01-10

  • Updated dependencies (@garyb)

v0.1.4 - 2014-11-18

  • Bumped for Identity changes.

v0.1.0 - 2014-08-11

  • Initial semver release.