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--
-- Haddock - A Haskell Documentation Tool
--
-- (c) Simon Marlow 2003
--
module Haddock.GHC.Utils where
import Debug.Trace
import Data.Char
import qualified Data.Map as Map
import GHC
import HsSyn
import SrcLoc
import HscTypes
import Outputable
import Packages
import UniqFM
import Name
-- names
nameOccString = occNameString . nameOccName
nameSetMod n newMod =
mkExternalName (nameUnique n) newMod (nameOccName n) (nameSrcSpan n)
nameSetPkg pkgId n =
mkExternalName (nameUnique n) (mkModule pkgId (moduleName mod))
(nameOccName n) (nameSrcSpan n)
where mod = nameModule n
-- modules
moduleString :: Module -> String
moduleString = moduleNameString . moduleName
mkModuleNoPkg :: String -> Module
mkModuleNoPkg str = mkModule (stringToPackageId "") (mkModuleName str)
modulePkgStr = packageIdString . modulePackageId
-- Instances
instance (Outputable a, Outputable b) => Outputable (Map.Map a b) where
ppr m = ppr (Map.toList m)
-- misc
isNameSym = isSymOcc . nameOccName
getMainDeclBinder :: HsDecl name -> Maybe name
getMainDeclBinder (TyClD d) = Just (tcdName d)
getMainDeclBinder (ValD d)
= case collectAcc d [] of
[] -> Nothing
(name:_) -> Just (unLoc name)
getMainDeclBinder (SigD d) = sigNameNoLoc d
getMainDeclBinder (ForD (ForeignImport name _ _)) = Just (unLoc name)
getMainDeclBinder (ForD (ForeignExport name _ _)) = Nothing
getMainDeclBinder _ = Nothing
-- To keep if if minf_iface is re-introduced
--modInfoName = moduleName . mi_module . minf_iface
--modInfoMod = mi_module . minf_iface
pretty :: Outputable a => a -> String
pretty x = show (ppr x defaultUserStyle)
trace_ppr x y = trace (showSDoc (ppr x)) y
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