ghc-mod/Types.hs

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{-# LANGUAGE FlexibleInstances #-}
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module Types where
data OutputStyle = LispStyle | PlainStyle
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data Options = Options {
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outputStyle :: OutputStyle
, hlintOpts :: [String]
, ghcOpts :: [String]
, operators :: Bool
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, detailed :: Bool
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, expandSplice :: Bool
, sandbox :: Maybe String
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}
defaultOptions :: Options
defaultOptions = Options {
outputStyle = PlainStyle
, hlintOpts = []
, ghcOpts = []
, operators = False
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, detailed = False
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, expandSplice = False
, sandbox = Nothing
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}
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----------------------------------------------------------------
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convert :: ToString a => Options -> a -> String
convert Options{ outputStyle = LispStyle } = toLisp
convert Options{ outputStyle = PlainStyle } = toPlain
class ToString a where
toLisp :: a -> String
toPlain :: a -> String
instance ToString [String] where
toLisp = addNewLine . toSexp True
toPlain = unlines
instance ToString [((Int,Int,Int,Int),String)] where
toLisp = addNewLine . toSexp False . map toS
where
toS x = "(" ++ tupToString x ++ ")"
toPlain = unlines . map tupToString
toSexp :: Bool -> [String] -> String
toSexp False ss = "(" ++ unwords ss ++ ")"
toSexp True ss = "(" ++ unwords (map quote ss) ++ ")"
tupToString :: ((Int,Int,Int,Int),String) -> String
tupToString ((a,b,c,d),s) = show a ++ " "
++ show b ++ " "
++ show c ++ " "
++ show d ++ " "
++ quote s
quote :: String -> String
quote x = "\"" ++ x ++ "\""
addNewLine :: String -> String
addNewLine = (++ "\n")
----------------------------------------------------------------
data Cradle = Cradle {
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cradleCurrentDir :: FilePath
, cradleCabalDir :: Maybe FilePath
, cradleCabalFile :: Maybe FilePath
, cradlePackageConf :: Maybe FilePath
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} deriving (Eq, Show)
----------------------------------------------------------------
type GHCOption = String
type IncludeDir = FilePath
type Package = String
type LangExt = String
type HeaderExt = String