2 -- The above warning supression flag is a temporary kludge.
3 -- While working on this module you are encouraged to remove it and fix
4 -- any warnings in the module. See
5 -- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
9 Builtins(..), sumTyCon, prodTyCon,
10 initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs,
12 primMethod, primPArray
15 #include "HsVersions.h"
18 import IfaceEnv ( lookupOrig )
20 import Module ( Module )
21 import DataCon ( DataCon )
22 import TyCon ( TyCon, tyConName, tyConDataCons )
24 import Id ( mkSysLocal )
25 import Name ( Name, getOccString )
29 import TypeRep ( funTyCon )
32 import TysWiredIn ( unitTyCon, tupleTyCon, intTyConName )
33 import Module ( Module, mkModule, mkModuleNameFS )
34 import PackageConfig ( ndpPackageId )
35 import BasicTypes ( Boxity(..) )
41 import Control.Monad ( liftM, zipWithM )
49 mkNDPModule :: FastString -> Module
50 mkNDPModule m = mkModule ndpPackageId (mkModuleNameFS m)
52 nDP_PARRAY = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.PArray")
53 nDP_REPR = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Repr")
54 nDP_CLOSURE = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Closure")
55 nDP_PRIM = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Prim")
56 nDP_INSTANCES = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Instances")
58 data Builtins = Builtins {
61 , paDataCon :: DataCon
64 , prDataCon :: DataCon
65 , parrayIntPrimTyCon :: TyCon
68 , sumTyCons :: Array Int TyCon
69 , closureTyCon :: TyCon
73 , applyClosureVar :: Var
74 , mkClosurePVar :: Var
75 , applyClosurePVar :: Var
76 , replicatePAIntPrimVar :: Var
77 , upToPAIntPrimVar :: Var
79 , replicatePAVar :: Var
82 -- , combinePAVar :: Var
83 , liftingContext :: Var
86 sumTyCon :: Int -> Builtins -> TyCon
88 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
89 | otherwise = pprPanic "sumTyCon" (ppr n)
91 prodTyCon :: Int -> Builtins -> TyCon
93 | n == 1 = wrapTyCon bi
94 | n >= 0 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
95 | otherwise = pprPanic "prodTyCon" (ppr n)
97 initBuiltins :: DsM Builtins
100 parrayTyCon <- externalTyCon nDP_PARRAY FSLIT("PArray")
101 paTyCon <- externalTyCon nDP_PARRAY FSLIT("PA")
102 let [paDataCon] = tyConDataCons paTyCon
103 preprTyCon <- externalTyCon nDP_PARRAY FSLIT("PRepr")
104 prTyCon <- externalTyCon nDP_PARRAY FSLIT("PR")
105 let [prDataCon] = tyConDataCons prTyCon
106 parrayIntPrimTyCon <- externalTyCon nDP_PRIM FSLIT("PArray_Int#")
107 closureTyCon <- externalTyCon nDP_CLOSURE FSLIT(":->")
109 voidTyCon <- externalTyCon nDP_REPR FSLIT("Void")
110 wrapTyCon <- externalTyCon nDP_REPR FSLIT("Wrap")
111 sum_tcs <- mapM (externalTyCon nDP_REPR)
112 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
114 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
116 voidVar <- externalVar nDP_REPR FSLIT("void")
117 mkPRVar <- externalVar nDP_PARRAY FSLIT("mkPR")
118 mkClosureVar <- externalVar nDP_CLOSURE FSLIT("mkClosure")
119 applyClosureVar <- externalVar nDP_CLOSURE FSLIT("$:")
120 mkClosurePVar <- externalVar nDP_CLOSURE FSLIT("mkClosureP")
121 applyClosurePVar <- externalVar nDP_CLOSURE FSLIT("$:^")
122 replicatePAIntPrimVar <- externalVar nDP_PRIM FSLIT("replicatePA_Int#")
123 upToPAIntPrimVar <- externalVar nDP_PRIM FSLIT("upToPA_Int#")
124 lengthPAVar <- externalVar nDP_PARRAY FSLIT("lengthPA")
125 replicatePAVar <- externalVar nDP_PARRAY FSLIT("replicatePA")
126 emptyPAVar <- externalVar nDP_PARRAY FSLIT("emptyPA")
127 -- packPAVar <- dsLookupGlobalId packPAName
128 -- combinePAVar <- dsLookupGlobalId combinePAName
130 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
134 parrayTyCon = parrayTyCon
136 , paDataCon = paDataCon
137 , preprTyCon = preprTyCon
139 , prDataCon = prDataCon
140 , parrayIntPrimTyCon = parrayIntPrimTyCon
141 , voidTyCon = voidTyCon
142 , wrapTyCon = wrapTyCon
143 , sumTyCons = sumTyCons
144 , closureTyCon = closureTyCon
147 , mkClosureVar = mkClosureVar
148 , applyClosureVar = applyClosureVar
149 , mkClosurePVar = mkClosurePVar
150 , applyClosurePVar = applyClosurePVar
151 , replicatePAIntPrimVar = replicatePAIntPrimVar
152 , upToPAIntPrimVar = upToPAIntPrimVar
153 , lengthPAVar = lengthPAVar
154 , replicatePAVar = replicatePAVar
155 , emptyPAVar = emptyPAVar
156 -- , packPAVar = packPAVar
157 -- , combinePAVar = combinePAVar
158 , liftingContext = liftingContext
161 initBuiltinTyCons :: Builtins -> [(Name, TyCon)]
162 initBuiltinTyCons bi = [(tyConName funTyCon, closureTyCon bi)]
164 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
167 dicts <- zipWithM externalVar mods fss
168 return $ zip tcs dicts
170 (tcs, mods, fss) = unzip3 ps
172 initBuiltinPAs = initBuiltinDicts . builtinPAs
174 builtinPAs :: Builtins -> [(Name, Module, FastString)]
177 mk (tyConName $ closureTyCon bi) nDP_CLOSURE FSLIT("dPA_Clo")
178 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPA_Void")
179 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
181 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
185 mk name mod fs = (name, mod, fs)
187 tups = map mk_tup [2..3]
188 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
190 (mkFastString $ "dPA_" ++ show n)
192 initBuiltinPRs = initBuiltinDicts . builtinPRs
194 builtinPRs :: Builtins -> [(Name, Module, FastString)]
197 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
198 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPR_Void")
199 , mk (tyConName $ wrapTyCon bi) nDP_REPR FSLIT("dPR_Wrap")
200 , mk (tyConName $ closureTyCon bi) nDP_CLOSURE FSLIT("dPR_Clo")
203 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
206 ++ map mk_sum [2..mAX_NDP_SUM]
207 ++ map mk_prod [2..mAX_NDP_PROD]
209 mk name mod fs = (name, mod, fs)
211 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
212 mkFastString ("dPR_Sum" ++ show n))
214 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
215 mkFastString ("dPR_" ++ show n))
217 externalVar :: Module -> FastString -> DsM Var
219 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
221 externalTyCon :: Module -> FastString -> DsM TyCon
223 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
225 unitTyConName = tyConName unitTyCon
228 primMethod :: TyCon -> String -> DsM (Maybe Var)
229 primMethod tycon method
230 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
232 $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
234 | otherwise = return Nothing
236 primPArray :: TyCon -> DsM (Maybe TyCon)
238 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
240 $ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
242 | otherwise = return Nothing
244 prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
246 mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)