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{-# LANGUAGE CPP #-}
module Util (SrcLoc(..), mapLocations, (</>)) where
import System.FilePath
#if MIN_VERSION_base(4,8,1) && !MIN_VERSION_base(4,9,0)
import qualified GHC.SrcLoc as GHC
import Data.CallStack hiding (SrcLoc(..))
data SrcLoc = SrcLoc {
srcLocPackage :: String
, srcLocModule :: String
, srcLocFile :: String
, srcLocStartLine :: Int
, srcLocStartCol :: Int
, srcLocEndLine :: Int
, srcLocEndCol :: Int
} deriving (Eq, Show)
mapLocations :: CallStack -> [(String, SrcLoc)]
mapLocations = map (fmap mapLocation)
where
mapLocation location = SrcLoc {
srcLocPackage = GHC.srcLocPackage location
, srcLocModule = GHC.srcLocModule location
, srcLocFile = GHC.srcLocFile location
, srcLocStartLine = GHC.srcLocStartLine location
, srcLocStartCol = GHC.srcLocStartCol location
, srcLocEndLine = GHC.srcLocEndLine location
, srcLocEndCol = GHC.srcLocEndCol location
}
#else
import Data.CallStack
mapLocations :: CallStack -> CallStack
mapLocations = id
#endif
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