ghc-mod/Language/Haskell/GhcMod/Check.hs

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module Language.Haskell.GhcMod.Check (checkSyntax, check) where
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import Control.Applicative
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import Control.Monad
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import CoreMonad
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import Exception
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import GHC
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import Language.Haskell.GhcMod.ErrMsg
import Language.Haskell.GhcMod.GHCApi
import Language.Haskell.GhcMod.Types
import Prelude
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----------------------------------------------------------------
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-- | Checking syntax of a target file using GHC.
-- Warnings and errors are returned.
checkSyntax :: Options
-> Cradle
-> FilePath -- ^ A target file
-> IO String
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checkSyntax opt cradle file = unlines <$> withGHC file (check opt cradle file)
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----------------------------------------------------------------
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-- | Checking syntax of a target file using GHC.
-- Warnings and errors are returned.
check :: Options
-> Cradle
-> FilePath -- ^ A target file
-> Ghc [String]
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check opt cradle fileName = checkIt `gcatch` handleErrMsg
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where
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checkIt = do
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readLog <- initializeFlagsWithCradle opt cradle options True
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setTargetFile fileName
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checkSlowAndSet
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void $ load LoadAllTargets
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liftIO readLog
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options
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| expandSplice opt = "-w:" : ghcOpts opt
| otherwise = "-Wall" : ghcOpts opt