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dotfiles/cabal/share/x86_64-osx-ghc-7.8.4/hlint-1.9.18/hlint.ghci
2015-04-05 17:47:08 +02:00

33 lines
1.3 KiB
Haskell

-- -*- mode: haskell; -*-
-- Begin copied material.
-- <http://www.cs.kent.ac.uk/people/staff/cr3/toolbox/haskell/dot-squashed.ghci641>
:{
:def redir \varcmd -> return $
case break Data.Char.isSpace varcmd of
(var,_:cmd) -> unlines
[":set -fno-print-bind-result"
,"tmp <- System.Directory.getTemporaryDirectory"
,"(f,h) <- System.IO.openTempFile tmp \"ghci\""
,"sto <- GHC.Handle.hDuplicate System.IO.stdout"
,"GHC.Handle.hDuplicateTo h System.IO.stdout"
,"System.IO.hClose h"
,cmd
,"GHC.Handle.hDuplicateTo sto System.IO.stdout"
,"let readFileNow f = readFile f >>= \\t->Data.List.length t `seq` return t"
,var++" <- readFileNow f"
,"System.Directory.removeFile f"
]
_ -> "putStrLn \"usage: :redir <var> <cmd>\""
:}
--- Integration with the hlint code style tool
:{
:def hlint \extra -> return $ unlines
[":unset +t +s"
,":set -w"
,":redir hlintvar1 :show modules"
,":cmd return $ \":! hlint \" ++ unwords (map (takeWhile (/=',') . drop 2 . dropWhile (/= '(')) $ lines hlintvar1) ++ \" \" ++ " ++ show extra
,":set +t +s -Wall"
]
:}