+ Vectorisation information
+%* *
+%************************************************************************
+
+\begin{code}
+tcIfaceVectInfo :: Module -> TypeEnv -> IfaceVectInfo -> IfL VectInfo
+tcIfaceVectInfo mod typeEnv (IfaceVectInfo
+ { ifaceVectInfoVar = vars
+ , ifaceVectInfoTyCon = tycons
+ , ifaceVectInfoTyConReuse = tyconsReuse
+ })
+ = do { vVars <- mapM vectVarMapping vars
+ ; tyConRes1 <- mapM vectTyConMapping tycons
+ ; tyConRes2 <- mapM vectTyConReuseMapping tyconsReuse
+ ; let (vTyCons, vDataCons, vPAs, vIsos) = unzip4 (tyConRes1 ++ tyConRes2)
+ ; return $ VectInfo
+ { vectInfoVar = mkVarEnv vVars
+ , vectInfoTyCon = mkNameEnv vTyCons
+ , vectInfoDataCon = mkNameEnv (concat vDataCons)
+ , vectInfoPADFun = mkNameEnv vPAs
+ , vectInfoIso = mkNameEnv vIsos
+ }
+ }
+ where
+ vectVarMapping name
+ = do { vName <- lookupOrig mod (mkVectOcc (nameOccName name))
+ ; let { var = lookupVar name
+ ; vVar = lookupVar vName
+ }
+ ; return (var, (var, vVar))
+ }
+ vectTyConMapping name
+ = do { vName <- lookupOrig mod (mkVectTyConOcc (nameOccName name))
+ ; paName <- lookupOrig mod (mkPADFunOcc (nameOccName name))
+ ; isoName <- lookupOrig mod (mkVectIsoOcc (nameOccName name))
+ ; let { tycon = lookupTyCon name
+ ; vTycon = lookupTyCon vName
+ ; paTycon = lookupVar paName
+ ; isoTycon = lookupVar isoName
+ }
+ ; vDataCons <- mapM vectDataConMapping (tyConDataCons tycon)
+ ; return ((name, (tycon, vTycon)), -- (T, T_v)
+ vDataCons, -- list of (Ci, Ci_v)
+ (vName, (vTycon, paTycon)), -- (T_v, paT)
+ (name, (tycon, isoTycon))) -- (T, isoT)
+ }
+ vectTyConReuseMapping name
+ = do { paName <- lookupOrig mod (mkPADFunOcc (nameOccName name))
+ ; isoName <- lookupOrig mod (mkVectIsoOcc (nameOccName name))
+ ; let { tycon = lookupTyCon name
+ ; paTycon = lookupVar paName
+ ; isoTycon = lookupVar isoName
+ ; vDataCons = [ (dataConName dc, (dc, dc))
+ | dc <- tyConDataCons tycon]
+ }
+ ; return ((name, (tycon, tycon)), -- (T, T)
+ vDataCons, -- list of (Ci, Ci)
+ (name, (tycon, paTycon)), -- (T, paT)
+ (name, (tycon, isoTycon))) -- (T, isoT)
+ }
+ vectDataConMapping datacon
+ = do { let name = dataConName datacon
+ ; vName <- lookupOrig mod (mkVectDataConOcc (nameOccName name))
+ ; let vDataCon = lookupDataCon vName
+ ; return (name, (datacon, vDataCon))
+ }
+ --
+ lookupVar name = case lookupTypeEnv typeEnv name of
+ Just (AnId var) -> var
+ Just _ ->
+ panic "TcIface.tcIfaceVectInfo: not an id"
+ Nothing ->
+ panic "TcIface.tcIfaceVectInfo: unknown name"
+ lookupTyCon name = case lookupTypeEnv typeEnv name of
+ Just (ATyCon tc) -> tc
+ Just _ ->
+ panic "TcIface.tcIfaceVectInfo: not a tycon"
+ Nothing ->
+ panic "TcIface.tcIfaceVectInfo: unknown name"
+ lookupDataCon name = case lookupTypeEnv typeEnv name of
+ Just (ADataCon dc) -> dc
+ Just _ ->
+ panic "TcIface.tcIfaceVectInfo: not a datacon"
+ Nothing ->
+ panic "TcIface.tcIfaceVectInfo: unknown name"
+\end{code}
+
+%************************************************************************
+%* *
projects / ghc-hetmet.git / blobdiff