-- Destruction
rdrNameModule, rdrNameOcc, setRdrNameOcc,
- isRdrDataCon, isRdrTyVar, isQual, isUnqual
+ isRdrDataCon, isRdrTyVar, isQual, isUnqual,
+
+ -- Environment
+ RdrNameEnv,
+ emptyRdrEnv, lookupRdrEnv, addListToRdrEnv, rdrEnvElts,
+ extendRdrEnv, rdrEnvToList,
+
+ -- Printing; instance Outputable RdrName
+ pprUnqualRdrName
) where
#include "HsVersions.h"
import Module ( ModuleName, pprModuleName,
mkSysModuleFS, mkSrcModuleFS
)
+import FiniteMap
import Outputable
import Util ( thenCmp )
\end{code}
instance Outputable RdrName where
ppr (RdrName qual occ) = pp_qual qual <> ppr occ
where
- pp_qual Unqual = empty
- pp_qual (Qual mod) = pprModuleName mod <> dot
+ pp_qual Unqual = empty
+ pp_qual (Qual mod) = pprModuleName mod <> dot
+
+pprUnqualRdrName (RdrName qual occ) = ppr occ
instance Eq RdrName where
a == b = case (a `compare` b) of { EQ -> True; _ -> False }
+%************************************************************************
+%* *
+\subsection{Environment}
+%* *
+%************************************************************************
+
+\begin{code}
+type RdrNameEnv a = FiniteMap RdrName a
+
+emptyRdrEnv :: RdrNameEnv a
+lookupRdrEnv :: RdrNameEnv a -> RdrName -> Maybe a
+addListToRdrEnv :: RdrNameEnv a -> [(RdrName,a)] -> RdrNameEnv a
+extendRdrEnv :: RdrNameEnv a -> RdrName -> a -> RdrNameEnv a
+rdrEnvToList :: RdrNameEnv a -> [(RdrName, a)]
+rdrEnvElts :: RdrNameEnv a -> [a]
+
+emptyRdrEnv = emptyFM
+lookupRdrEnv = lookupFM
+addListToRdrEnv = addListToFM
+rdrEnvElts = eltsFM
+extendRdrEnv = addToFM
+rdrEnvToList = fmToList
+\end{code}