syntax: Syntax descriptions for unified parsing and pretty-printing.

[ data, library, mit ] [ Propose Tags ]

syntax allows you to write a single syntax description and instantiate is both as a parser and a pretty printer.

The interface is based on a custom Functor/Applicative/Monad hierarchy, provided by the semi-iso package. You fmap using a semi-isomorphism instead of function. A semi-isomorphism is a isomorphism that can fail in both directions, with slightly weakened laws. It is worth to note that Isos and Prisms from lens are valid semi-isomorphisms :)

Once you write a description you can, for example turn it into an Attoparsec parser.

See syntax-example for an example, syntax-attoparsec and syntax-pretty for a parser/printer implementation.

The library was inspired by:

TODO:

Versions [faq] 0.1.0.0, 0.1.1.0, 0.2.0.0, 0.2.1.0, 0.3.0.0, 1.0.0.0
Dependencies base (==4.*), lens (>=4), mono-traversable, scientific (>=0.3), semi-iso (>=0.4.1) [details]
License MIT
Copyright Paweł Nowak 2014
Author Paweł Nowak
Maintainer Paweł Nowak <pawel834@gmail.com>
Revised Revision 1 made by pawel834 at Mon Nov 24 15:43:23 UTC 2014
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Source repo head: git clone git@github.com:Pawel834/syntax.git
Uploaded by pawel834 at Mon Nov 24 15:42:16 UTC 2014
Distributions NixOS:1.0.0.0
Downloads 2805 total (63 in the last 30 days)
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