47 lines
1.5 KiB
Haskell
47 lines
1.5 KiB
Haskell
module Language.Haskell.GhcMod.Check (checkSyntax, check) where
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import Control.Applicative ((<$>))
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import Control.Monad (void)
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import CoreMonad (liftIO)
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import Exception
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import GHC
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import Language.Haskell.GhcMod.ErrMsg
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import Language.Haskell.GhcMod.GHCApi
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import Language.Haskell.GhcMod.Types
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----------------------------------------------------------------
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-- | Checking syntax of a target file using GHC.
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-- Warnings and errors are returned.
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checkSyntax :: Options
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-> Cradle
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-> [FilePath] -- ^ The target files.
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-> IO String
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checkSyntax _ _ [] = error "ghc-mod: checkSyntax: No files given"
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checkSyntax opt cradle files = unlines <$> withGHC sessionName (check opt cradle files)
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where
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sessionName = case files of
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[file] -> file
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_ -> "MultipleFiles"
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----------------------------------------------------------------
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-- | Checking syntax of a target file using GHC.
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-- Warnings and errors are returned.
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check :: Options
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-> Cradle
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-> [FilePath] -- ^ The target files.
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-> Ghc [String]
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check _ _ [] = error "ghc-mod: check: No files given"
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check opt cradle fileNames = checkIt `gcatch` handleErrMsg ls
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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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setTargetFiles fileNames
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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
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| otherwise = "-Wall" : ghcOpts opt
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ls = lineSeparator opt
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