19 lines
705 B
Haskell
19 lines
705 B
Haskell
module Language.Haskell.GhcMod.Lint where
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import Control.Applicative ((<$>))
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import Control.Exception (handle, SomeException(..))
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import Language.Haskell.GhcMod.ErrMsg (checkErrorPrefix)
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import Language.Haskell.GhcMod.Types
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import Language.Haskell.HLint (hlint)
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-- | Checking syntax of a target file using hlint.
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-- Warnings and errors are returned.
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lintSyntax :: Options
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-> FilePath -- ^ A target file.
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-> IO String
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lintSyntax opt file = handle handler $ pack <$> hlint (file : "--quiet" : hopts)
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where
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pack = convert opt . map (init . show) -- init drops the last \n.
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hopts = hlintOpts opt
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handler (SomeException e) = return $ checkErrorPrefix ++ show e ++ "\n"
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