luthor: Tools for lexing and utilizing lexemes that integrate with Parsec.
|Versions||0.0.0, 0.0.1, 0.0.2|
|Dependencies||base (==4.*), mtl (==2.*), parsec (==3.*), transformers (>=0.3) [details]|
|Source repo||head: git clone https://github.com/Zankoku-Okuno/luthor.git|
|Uploaded||by ZankokuOkuno at Wed Nov 25 23:03:48 UTC 2015|
|Downloads||853 total (12 in the last 30 days)|
|Rating||(no votes yet) [estimated by rule of succession]|
|Status||Docs uploaded by user
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Like parser combinators? Building a big parser? Save hundreds of sloc, hours of debuging and several headaches by using Luthor on top of the familiar Parsec library.
Parsec works great for small parsers, but as the size of the parser grows, complexity can grow exponentially without taking serious and tricky precautions. Luthor provides reusable utilities to isolate the complex parts of parsing. Amonst its weaponry are 1) more composable combinators, 2) pre-built token parsers, 3) tools to build a scannerful parser, and 4) tools to work with indentation. Luthor reduces overall complexity, generally increases performance and error reporting, and cuts down on wheel re-invention.
BIG CAVEAT: It is difficult to understand all the ways in which
Parsec fails to be composable, so there may be some combinators
in Luthor which fail to be composable. If you're getting weird
(i.e. Parsec-like) results, add a
try and please report.
For package maintainers and hackage trustees