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Showing content from https://hackage.haskell.org/package/happy-lib below:

happy-lib: Happy is a parser generator for Haskell implemented using this library

Happy is a parser generator for Haskell. Given a grammar specification in BNF, Happy generates Haskell code to parse the grammar. Happy works in a similar way to the yacc tool for C.

This library provides the following functionality:

Data type definitions for the Grammar AST type, capturing the information in .y-files (Happy.Grammar)
A parser for happy grammar files (.y) to produce a Grammar (Happy.Frontend.*)
Implementations of the text book algorithms that compute the LR action and goto tables for the given Grammar (Happy.Tabular.*)
An LALR code generator to produce table-driven, deterministic parsing code in Haskell (Happy.Backend.LALR.*)
A (less maintained) GLR code generator to produce table-driven, non-deterministic parsing code in Haskell, where ambiguous parses produce multiple parse trees (Happy.Backend.GLR.*)

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library happy-lib Modules

[Index] [Quick Jump]

Happy
- Backend
  - Happy.Backend.GLR
    - Happy.Backend.GLR.ProduceCode
  - Happy.Backend.LALR
    - Happy.Backend.LALR.ProduceCode
- Happy.Frontend
  - Happy.Frontend.AbsSyn
  - Happy.Frontend.Mangler
  - Happy.Frontend.PrettyGrammar
- Happy.Grammar
  - Happy.Grammar.ExpressionWithHole
- Happy.Tabular
  - Happy.Tabular.First
  - Happy.Tabular.Info
  - Happy.Tabular.LALR
  - Happy.Tabular.NameSet

library happy-lib:backend-glr Modules

[Index] [Quick Jump]

Happy
- Backend
  - Happy.Backend.GLR
    - Happy.Backend.GLR.ProduceCode

library happy-lib:backend-lalr library happy-lib:tabular Modules

[Index] [Quick Jump]

Happy
- Happy.Paths
- Happy.Tabular
  - Happy.Tabular.First
  - Happy.Tabular.Info
  - Happy.Tabular.LALR
  - Happy.Tabular.NameSet
Paths_happy_lib

library happy-lib:frontend Modules

[Index] [Quick Jump]

Happy
- Happy.Frontend
  - Happy.Frontend.AbsSyn
  - Happy.Frontend.Mangler
  - Happy.Frontend.PrettyGrammar

library happy-lib:grammar Modules

[Index] [Quick Jump]

Happy
- Happy.Grammar
  - Happy.Grammar.ExpressionWithHole

Maintainer's Corner

Package maintainers

AndreasAbel, IavorDiatchki, JohnEricson, SimonMarlow, int_index, sgraf812

For package maintainers and hackage trustees

edit package information

Candidates

2.0, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5

Versions [RSS] 2.0, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 (info) Change log ChangeLog.md Dependencies array (>=0.5), base (>=4.9 && <5), containers (>=0.4.2), happy-lib, mtl (>=2.2.1), transformers (>=0.5.6.2) [details] Tested with ghc ==9.10.1, ghc ==9.8.2, ghc ==9.6.5, ghc ==9.4.8, ghc ==9.2.8, ghc ==9.0.2, ghc ==8.10.7, ghc ==8.8.4, ghc ==8.6.5, ghc ==8.4.4, ghc ==8.2.2, ghc ==8.0.2 License BSD-2-Clause Copyright (c) Andy Gill, Simon Marlow Author Andy Gill and Simon Marlow Maintainer https://github.com/haskell/happy Category Development Home page https://www.haskell.org/happy/ Bug tracker https://github.com/haskell/happy/issues Source repo head: git clone https://github.com/haskell/happy.git Uploaded by sgraf812 at 2025-02-09T18:06:05Z Distributions Arch:2.1.4, LTSHaskell:2.0.2, NixOS:2.1.3, Stackage:2.1.5 Downloads 2857 total (36 in the last 30 days) Rating (no votes yet) [estimated by Bayesian average] Your Rating

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