+{-% DrIFT (Automatic class derivations for Haskell) v1.1 %-}
%
% (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
%
RdrName,
-- Construction
- mkRdrUnqual, mkRdrQual,
- mkUnqual, mkQual,
- mkSysUnqual, mkSysQual,
- mkPreludeQual, qualifyRdrName, mkRdrNameWkr,
+ mkRdrUnqual, mkRdrQual, mkRdrOrig, mkRdrUnqual,
+ mkUnqual, mkQual, mkIfaceOrig, mkOrig,
+ qualifyRdrName, unqualifyRdrName, mkRdrNameWkr,
dummyRdrVarName, dummyRdrTcName,
-- Destruction
rdrNameModule, rdrNameOcc, setRdrNameOcc,
- isRdrDataCon, isRdrTyVar, isQual, isUnqual,
+ isRdrDataCon, isRdrTyVar, isRdrTc, isQual, isUnqual, isOrig,
-- Environment
RdrNameEnv,
emptyRdrEnv, lookupRdrEnv, addListToRdrEnv, rdrEnvElts,
- extendRdrEnv, rdrEnvToList, elemRdrEnv,
+ extendRdrEnv, rdrEnvToList, elemRdrEnv, foldRdrEnv,
-- Printing; instance Outputable RdrName
pprUnqualRdrName
#include "HsVersions.h"
import OccName ( NameSpace, tcName,
- OccName, UserFS,
+ OccName, UserFS, EncodedFS,
mkSysOccFS,
mkOccFS, mkVarOcc,
- isDataOcc, isTvOcc, mkWorkerOcc
+ isDataOcc, isTvOcc, isTcOcc, mkWorkerOcc
)
import Module ( ModuleName,
mkSysModuleNameFS, mkModuleNameFS
)
import FiniteMap
import Outputable
+import Binary
import Util ( thenCmp )
\end{code}
\begin{code}
data RdrName = RdrName Qual OccName
+ {-! derive: Binary !-}
+
+data Qual
+ = Unqual
+
+ | Qual ModuleName -- A qualified name written by the user in source code
+ -- The module isn't necessarily the module where
+ -- the thing is defined; just the one from which it
+ -- is imported
+
+ | Orig ModuleName -- This is an *original* name; the module is the place
+ -- where the thing was defined
+ {-! derive: Binary !-}
-data Qual = Unqual
- | Qual ModuleName -- The (encoded) module name
\end{code}
\begin{code}
rdrNameModule :: RdrName -> ModuleName
rdrNameModule (RdrName (Qual m) _) = m
+rdrNameModule (RdrName (Orig m) _) = m
rdrNameOcc :: RdrName -> OccName
rdrNameOcc (RdrName _ occ) = occ
mkRdrQual :: ModuleName -> OccName -> RdrName
mkRdrQual mod occ = RdrName (Qual mod) occ
+mkRdrOrig :: ModuleName -> OccName -> RdrName
+mkRdrOrig mod occ = RdrName (Orig mod) occ
+
+mkIfaceOrig :: NameSpace -> (EncodedFS, EncodedFS) -> RdrName
+mkIfaceOrig ns (m,n) = RdrName (Orig (mkSysModuleNameFS m)) (mkSysOccFS ns n)
+
+
-- These two are used when parsing source files
-- They do encode the module and occurrence names
-mkUnqual :: NameSpace -> FAST_STRING -> RdrName
+mkUnqual :: NameSpace -> UserFS -> RdrName
mkUnqual sp n = RdrName Unqual (mkOccFS sp n)
mkQual :: NameSpace -> (UserFS, UserFS) -> RdrName
mkQual sp (m, n) = RdrName (Qual (mkModuleNameFS m)) (mkOccFS sp n)
- -- These two are used when parsing interface files
- -- They do not encode the module and occurrence name
-mkSysUnqual :: NameSpace -> FAST_STRING -> RdrName
-mkSysUnqual sp n = RdrName Unqual (mkSysOccFS sp n)
-
-mkSysQual :: NameSpace -> (FAST_STRING, FAST_STRING) -> RdrName
-mkSysQual sp (m,n) = RdrName (Qual (mkSysModuleNameFS m)) (mkSysOccFS sp n)
-
-mkPreludeQual :: NameSpace -> ModuleName -> FAST_STRING -> RdrName
-mkPreludeQual sp mod n = RdrName (Qual mod) (mkOccFS sp n)
+mkOrig :: NameSpace -> ModuleName -> UserFS -> RdrName
+mkOrig sp mod n = RdrName (Orig mod) (mkOccFS sp n)
qualifyRdrName :: ModuleName -> RdrName -> RdrName
-- Sets the module name of a RdrName, even if it has one already
qualifyRdrName mod (RdrName _ occ) = RdrName (Qual mod) occ
+unqualifyRdrName :: RdrName -> RdrName
+unqualifyRdrName (RdrName _ occ) = RdrName Unqual occ
+
mkRdrNameWkr :: RdrName -> RdrName -- Worker-ify it
mkRdrNameWkr (RdrName qual occ) = RdrName qual (mkWorkerOcc occ)
\end{code}
-- the renamer. We can't just put "error..." because
-- we sometimes want to print out stuff after reading but
-- before renaming
-dummyRdrVarName = RdrName Unqual (mkVarOcc SLIT("V-DUMMY"))
-dummyRdrTcName = RdrName Unqual (mkOccFS tcName SLIT("TC-DUMMY"))
+dummyRdrVarName = RdrName Unqual (mkVarOcc FSLIT("V-DUMMY"))
+dummyRdrTcName = RdrName Unqual (mkOccFS tcName FSLIT("TC-DUMMY"))
\end{code}
\begin{code}
isRdrDataCon (RdrName _ occ) = isDataOcc occ
isRdrTyVar (RdrName _ occ) = isTvOcc occ
+isRdrTc (RdrName _ occ) = isTcOcc occ
isUnqual (RdrName Unqual _) = True
isUnqual other = False
-isQual rdr_name = not (isUnqual rdr_name)
+isQual (RdrName (Qual _) _) = True
+isQual _ = False
+
+isOrig (RdrName (Orig _) _) = True
+isOrig other = False
\end{code}
instance Outputable RdrName where
ppr (RdrName qual occ) = pp_qual qual <> ppr occ
where
- pp_qual Unqual = empty
- pp_qual (Qual mod) = ppr mod <> dot
+ pp_qual Unqual = empty
+ pp_qual (Qual mod) = ppr mod <> dot
+ pp_qual (Orig mod) = ppr mod <> dot
pprUnqualRdrName (RdrName qual occ) = ppr occ
= (o1 `compare` o2) `thenCmp`
(q1 `cmpQual` q2)
-cmpQual Unqual Unqual = EQ
-cmpQual Unqual (Qual _) = LT
-cmpQual (Qual _) Unqual = GT
-cmpQual (Qual m1) (Qual m2) = m1 `compare` m2
+cmpQual Unqual Unqual = EQ
+cmpQual (Qual m1) (Qual m2) = m1 `compare` m2
+cmpQual (Orig m1) (Orig m2) = m1 `compare` m2
+cmpQual Unqual _ = LT
+cmpQual (Qual _) (Orig _) = LT
+cmpQual _ _ = GT
\end{code}
rdrEnvToList :: RdrNameEnv a -> [(RdrName, a)]
rdrEnvElts :: RdrNameEnv a -> [a]
elemRdrEnv :: RdrName -> RdrNameEnv a -> Bool
+foldRdrEnv :: (RdrName -> a -> b -> b) -> b -> RdrNameEnv a -> b
-emptyRdrEnv = emptyFM
-lookupRdrEnv = lookupFM
+emptyRdrEnv = emptyFM
+lookupRdrEnv = lookupFM
addListToRdrEnv = addListToFM
rdrEnvElts = eltsFM
extendRdrEnv = addToFM
rdrEnvToList = fmToList
elemRdrEnv = elemFM
+foldRdrEnv = foldFM
+\end{code}
+\begin{code}
+{-* Generated by DrIFT-v1.0 : Look, but Don't Touch. *-}
+instance Binary RdrName where
+ put_ bh (RdrName aa ab) = do
+ put_ bh aa
+ put_ bh ab
+ get bh = do
+ aa <- get bh
+ ab <- get bh
+ return (RdrName aa ab)
+
+instance Binary Qual where
+ put_ bh Unqual = do
+ putByte bh 0
+ put_ bh (Qual aa) = do
+ putByte bh 1
+ put_ bh aa
+ put_ bh (Orig ab) = do
+ putByte bh 2
+ put_ bh ab
+ get bh = do
+ h <- getByte bh
+ case h of
+ 0 -> do return Unqual
+ 1 -> do aa <- get bh
+ return (Qual aa)
+ _ -> do ab <- get bh
+ return (Orig ab)
+
+-- Imported from other files :-
+
\end{code}
projects / ghc-hetmet.git / blobdiff