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, combinePAVar,
10 initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs,
11 initBuiltinBoxedTyCons,
13 primMethod, primPArray
16 #include "HsVersions.h"
19 import IfaceEnv ( lookupOrig )
21 import Module ( Module )
22 import DataCon ( DataCon )
23 import TyCon ( TyCon, tyConName, tyConDataCons )
25 import Id ( mkSysLocal )
26 import Name ( Name, getOccString )
30 import TypeRep ( funTyCon )
33 import TysWiredIn ( unitTyCon, tupleTyCon,
34 intTyCon, intTyConName,
35 boolTyCon, boolTyConName )
37 import BasicTypes ( Boxity(..) )
43 import Control.Monad ( liftM, zipWithM )
51 mAX_NDP_COMBINE :: Int
54 mkNDPModule :: FastString -> Module
55 mkNDPModule m = mkModule ndpPackageId (mkModuleNameFS m)
57 nDP_PARRAY = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.PArray")
58 nDP_REPR = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Repr")
59 nDP_CLOSURE = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Closure")
60 nDP_PRIM = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Prim")
61 nDP_INSTANCES = mkNDPModule FSLIT("Data.Array.Parallel.Lifted.Instances")
63 data Builtins = Builtins {
66 , paDataCon :: DataCon
69 , prDataCon :: DataCon
70 , parrayIntPrimTyCon :: TyCon
71 , parrayBoolPrimTyCon :: TyCon
74 , sumTyCons :: Array Int TyCon
75 , closureTyCon :: TyCon
79 , applyClosureVar :: Var
80 , mkClosurePVar :: Var
81 , applyClosurePVar :: Var
82 , replicatePAIntPrimVar :: Var
83 , upToPAIntPrimVar :: Var
84 , selectPAIntPrimVar :: Var
85 , truesPABoolPrimVar :: Var
87 , replicatePAVar :: Var
90 , combinePAVars :: Array Int Var
91 , liftingContext :: Var
94 sumTyCon :: Int -> Builtins -> TyCon
96 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
97 | otherwise = pprPanic "sumTyCon" (ppr n)
99 prodTyCon :: Int -> Builtins -> TyCon
101 | n == 1 = wrapTyCon bi
102 | n >= 0 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
103 | otherwise = pprPanic "prodTyCon" (ppr n)
105 combinePAVar :: Int -> Builtins -> Var
107 | n >= 2 && n <= mAX_NDP_COMBINE = combinePAVars bi ! n
108 | otherwise = pprPanic "combinePAVar" (ppr n)
110 initBuiltins :: DsM Builtins
113 parrayTyCon <- externalTyCon nDP_PARRAY FSLIT("PArray")
114 paTyCon <- externalTyCon nDP_PARRAY FSLIT("PA")
115 let [paDataCon] = tyConDataCons paTyCon
116 preprTyCon <- externalTyCon nDP_PARRAY FSLIT("PRepr")
117 prTyCon <- externalTyCon nDP_PARRAY FSLIT("PR")
118 let [prDataCon] = tyConDataCons prTyCon
119 parrayIntPrimTyCon <- externalTyCon nDP_PRIM FSLIT("PArray_Int#")
120 parrayBoolPrimTyCon <- externalTyCon nDP_PRIM FSLIT("PArray_Bool#")
121 closureTyCon <- externalTyCon nDP_CLOSURE FSLIT(":->")
123 voidTyCon <- externalTyCon nDP_REPR FSLIT("Void")
124 wrapTyCon <- externalTyCon nDP_REPR FSLIT("Wrap")
125 sum_tcs <- mapM (externalTyCon nDP_REPR)
126 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
128 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
130 voidVar <- externalVar nDP_REPR FSLIT("void")
131 mkPRVar <- externalVar nDP_PARRAY FSLIT("mkPR")
132 mkClosureVar <- externalVar nDP_CLOSURE FSLIT("mkClosure")
133 applyClosureVar <- externalVar nDP_CLOSURE FSLIT("$:")
134 mkClosurePVar <- externalVar nDP_CLOSURE FSLIT("mkClosureP")
135 applyClosurePVar <- externalVar nDP_CLOSURE FSLIT("$:^")
136 replicatePAIntPrimVar <- externalVar nDP_PRIM FSLIT("replicatePA_Int#")
137 upToPAIntPrimVar <- externalVar nDP_PRIM FSLIT("upToPA_Int#")
138 selectPAIntPrimVar <- externalVar nDP_PRIM FSLIT("selectPA_Int#")
139 truesPABoolPrimVar <- externalVar nDP_PRIM FSLIT("truesPA_Bool#")
140 lengthPAVar <- externalVar nDP_PARRAY FSLIT("lengthPA")
141 replicatePAVar <- externalVar nDP_PARRAY FSLIT("replicatePA")
142 emptyPAVar <- externalVar nDP_PARRAY FSLIT("emptyPA")
143 packPAVar <- externalVar nDP_PARRAY FSLIT("packPA")
145 combines <- mapM (externalVar nDP_PARRAY)
146 [mkFastString ("combine" ++ show i ++ "PA")
147 | i <- [2..mAX_NDP_COMBINE]]
148 let combinePAVars = listArray (2, mAX_NDP_COMBINE) combines
150 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
154 parrayTyCon = parrayTyCon
156 , paDataCon = paDataCon
157 , preprTyCon = preprTyCon
159 , prDataCon = prDataCon
160 , parrayIntPrimTyCon = parrayIntPrimTyCon
161 , parrayBoolPrimTyCon = parrayBoolPrimTyCon
162 , voidTyCon = voidTyCon
163 , wrapTyCon = wrapTyCon
164 , sumTyCons = sumTyCons
165 , closureTyCon = closureTyCon
168 , mkClosureVar = mkClosureVar
169 , applyClosureVar = applyClosureVar
170 , mkClosurePVar = mkClosurePVar
171 , applyClosurePVar = applyClosurePVar
172 , replicatePAIntPrimVar = replicatePAIntPrimVar
173 , upToPAIntPrimVar = upToPAIntPrimVar
174 , selectPAIntPrimVar = selectPAIntPrimVar
175 , truesPABoolPrimVar = truesPABoolPrimVar
176 , lengthPAVar = lengthPAVar
177 , replicatePAVar = replicatePAVar
178 , emptyPAVar = emptyPAVar
179 , packPAVar = packPAVar
180 , combinePAVars = combinePAVars
181 , liftingContext = liftingContext
184 initBuiltinTyCons :: Builtins -> [(Name, TyCon)]
185 initBuiltinTyCons bi = (tyConName funTyCon, closureTyCon bi)
186 : [(tyConName tc, tc) | tc <- defaultTyCons]
188 defaultTyCons :: [TyCon]
189 defaultTyCons = [intTyCon, boolTyCon]
191 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
194 dicts <- zipWithM externalVar mods fss
195 return $ zip tcs dicts
197 (tcs, mods, fss) = unzip3 ps
199 initBuiltinPAs = initBuiltinDicts . builtinPAs
201 builtinPAs :: Builtins -> [(Name, Module, FastString)]
204 mk (tyConName $ closureTyCon bi) nDP_CLOSURE FSLIT("dPA_Clo")
205 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPA_Void")
206 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
208 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
209 , mk boolTyConName nDP_INSTANCES FSLIT("dPA_Bool")
213 mk name mod fs = (name, mod, fs)
215 tups = map mk_tup [2..3]
216 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
218 (mkFastString $ "dPA_" ++ show n)
220 initBuiltinPRs = initBuiltinDicts . builtinPRs
222 builtinPRs :: Builtins -> [(Name, Module, FastString)]
225 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
226 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPR_Void")
227 , mk (tyConName $ wrapTyCon bi) nDP_REPR FSLIT("dPR_Wrap")
228 , mk (tyConName $ closureTyCon bi) nDP_CLOSURE FSLIT("dPR_Clo")
231 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
234 ++ map mk_sum [2..mAX_NDP_SUM]
235 ++ map mk_prod [2..mAX_NDP_PROD]
237 mk name mod fs = (name, mod, fs)
239 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
240 mkFastString ("dPR_Sum" ++ show n))
242 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
243 mkFastString ("dPR_" ++ show n))
245 initBuiltinBoxedTyCons :: Builtins -> DsM [(Name, TyCon)]
246 initBuiltinBoxedTyCons = return . builtinBoxedTyCons
248 builtinBoxedTyCons :: Builtins -> [(Name, TyCon)]
249 builtinBoxedTyCons bi =
250 [(tyConName intPrimTyCon, intTyCon)]
252 externalVar :: Module -> FastString -> DsM Var
254 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
256 externalTyCon :: Module -> FastString -> DsM TyCon
258 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
260 unitTyConName = tyConName unitTyCon
263 primMethod :: TyCon -> String -> DsM (Maybe Var)
264 primMethod tycon method
265 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
267 $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
269 | otherwise = return Nothing
271 primPArray :: TyCon -> DsM (Maybe TyCon)
273 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
275 $ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
277 | otherwise = return Nothing
279 prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
281 mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)