The happy package

[ Tags: bsd2, development, program ] [ Propose Tags ]

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.


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Properties

Versions 1.16, 1.17, 1.18, 1.18.1, 1.18.2, 1.18.4, 1.18.5, 1.18.6, 1.18.7, 1.18.8, 1.18.9, 1.18.10, 1.18.11, 1.19.0, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.19.5, 1.19.6, 1.19.7, 1.19.8 (info)
Change log CHANGES
Dependencies array, base (<5), containers (>=0.4.2), mtl (>=2.2.1) [details]
License BSD2
Copyright (c) Andy Gill, Simon Marlow
Author Andy Gill and Simon Marlow
Maintainer Simon Marlow <marlowsd@gmail.com>
Category Development
Home page https://www.haskell.org/happy/
Bug tracker https://github.com/simonmar/happy/issues
Source repository head: git clone https://github.com/simonmar/happy.git
Uploaded Thu Oct 12 07:46:54 UTC 2017 by SimonMarlow
Distributions Arch:1.19.8, Debian:1.19.5, Fedora:1.19.5, FreeBSD:1.19.5, LTSHaskell:1.19.8, NixOS:1.19.8, Stackage:1.19.8, Tumbleweed:1.19.5
Executables happy
Downloads 120012 total (3763 in the last 30 days)
Rating (no votes yet) [estimated by rule of succession]
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Status Docs not available [build log]
Last success reported on 2017-10-12 [all 3 reports]
Hackage Matrix CI

Flags

NameDescriptionDefaultType
small_base

Deprecated. Does nothing.

EnabledAutomatic

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info

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Maintainer's Corner

For package maintainers and hackage trustees


Readme for happy-1.19.8

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Happy

Happy is a parser generator for Haskell 98 (and later).

Build Status

Happy is built using Cabal. First install GHC, then:

  $ cabal configure
  $ cabal build
  $ cabal install

Complete documentation can be found in the directory 'doc', in DocBook XML format. To format the documentation, the DocBook-Tools suite (see http://wiki.docbook.org/DocBookTools) provides all the bits & pieces you need. Alternatively, pre-formatted documentation is available from Happy's homepage (URL above).

The directory 'examples' contains some example parsers that use Happy.

For information on copying and distributing this program, see the file LICENSE in this directory.

Bugs should be reported at: https://github.com/simonmar/happy/issues

Happy Parsing!

Simon.