module Haddock.GHC.Utils where
import Data.Char
import qualified Data.Map as Map
import GHC
import HsSyn
import SrcLoc
import Outputable
import Name
import Packages
moduleString :: Module -> String
moduleString = moduleNameString . moduleName
modulePkgStr = packageIdString . modulePackageId
mkModuleNoPkg :: String -> Module
mkModuleNoPkg str = mkModule (stringToPackageId "") (mkModuleName str)
instance (Outputable a, Outputable b) => Outputable (Map.Map a b) where
ppr m = ppr (Map.toList m)
isNameSym :: Name -> Bool
isNameSym = isSymOcc . nameOccName
isVarSym :: OccName -> Bool
isVarSym = isLexVarSym . occNameFS
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 _ _ _)) = Nothing
getMainDeclBinder _ = Nothing
pretty :: Outputable a => a -> String
pretty x = show (ppr x defaultUserStyle)
trace_ppr :: Outputable a => a -> b -> b
trace_ppr x y = trace (showSDoc (ppr x)) y