On Jun 17, 2009, at 12:43 AM, Niklas Broberg wrote:
Testing it is
really easy, four simple steps:
cabal install haskell-src-exts
[...]
ghci
[...]
Prelude> :m Language.Haskell.Exts
Prelude Language.Haskell.Exts> parseFile "YourFileHere.(l)hs"
This script may even simplify testing of large code bases:
-------
#! /usr/bin/env runhaskell
> import System
> import System.IO
> import Data.Char
> import Language.Haskell.Exts
>
> import Prelude hiding ( catch )
> import Control.Exception ( catch, SomeException )
>
> main = getArgs >>= mapM_ parse
> where parse file = do hSetBuffering stdout NoBuffering
> putStr $ file ++ ": "
> catch (parseFile file >>= putStr . check) $
> \e -> print (e :: SomeException)
> where check (ParseOk _) = replicate (2+length
file) '\b'
> check (ParseFailed loc msg) = unlines [err]
> where err = msg ++ " at " ++
> show (srcLine loc) ++ ":" ++
> show (srcColumn loc)
-------
After making it executable you can run it as shell script and pass
names of Haskell files -- (something like) this will check all Haskell
files (literate or not) in your home directory:
find ~ -name "*hs" | xargs parse-haskell.lhs
Cheers,
Sebastian
--
Underestimating the novelty of the future is a time-honored tradition.
(D.G.)
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