2 Builtins(..), sumTyCon, prodTyCon,
3 initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs,
8 #include "HsVersions.h"
11 import IfaceEnv ( lookupOrig )
13 import Module ( Module )
14 import DataCon ( DataCon )
15 import TyCon ( TyCon, tyConName, tyConDataCons )
17 import Id ( mkSysLocal )
18 import Name ( Name, getOccString )
22 import TypeRep ( funTyCon )
25 import TysWiredIn ( unitTyCon, tupleTyCon, intTyConName )
27 import BasicTypes ( Boxity(..) )
33 import Control.Monad ( liftM, zipWithM )
41 data Builtins = Builtins {
44 , paDataCon :: DataCon
47 , prDataCon :: DataCon
48 , parrayIntPrimTyCon :: TyCon
51 , sumTyCons :: Array Int TyCon
52 , closureTyCon :: TyCon
56 , applyClosureVar :: Var
57 , mkClosurePVar :: Var
58 , applyClosurePVar :: Var
59 , replicatePAIntPrimVar :: Var
60 , upToPAIntPrimVar :: Var
62 , replicatePAVar :: Var
65 -- , combinePAVar :: Var
66 , liftingContext :: Var
69 sumTyCon :: Int -> Builtins -> TyCon
71 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
72 | otherwise = pprPanic "sumTyCon" (ppr n)
74 prodTyCon :: Int -> Builtins -> TyCon
76 | n == 1 = wrapTyCon bi
77 | n >= 0 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
78 | otherwise = pprPanic "prodTyCon" (ppr n)
80 initBuiltins :: DsM Builtins
83 parrayTyCon <- dsLookupTyCon parrayTyConName
84 paTyCon <- dsLookupTyCon paTyConName
85 let [paDataCon] = tyConDataCons paTyCon
86 preprTyCon <- dsLookupTyCon preprTyConName
87 prTyCon <- dsLookupTyCon prTyConName
88 let [prDataCon] = tyConDataCons prTyCon
89 parrayIntPrimTyCon <- dsLookupTyCon parrayIntPrimTyConName
90 closureTyCon <- dsLookupTyCon closureTyConName
92 voidTyCon <- lookupExternalTyCon nDP_REPR FSLIT("Void")
93 wrapTyCon <- lookupExternalTyCon nDP_REPR FSLIT("Wrap")
94 sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
95 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
97 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
99 voidVar <- lookupExternalVar nDP_REPR FSLIT("void")
100 mkPRVar <- dsLookupGlobalId mkPRName
101 mkClosureVar <- dsLookupGlobalId mkClosureName
102 applyClosureVar <- dsLookupGlobalId applyClosureName
103 mkClosurePVar <- dsLookupGlobalId mkClosurePName
104 applyClosurePVar <- dsLookupGlobalId applyClosurePName
105 replicatePAIntPrimVar <- dsLookupGlobalId replicatePAIntPrimName
106 upToPAIntPrimVar <- dsLookupGlobalId upToPAIntPrimName
107 lengthPAVar <- dsLookupGlobalId lengthPAName
108 replicatePAVar <- dsLookupGlobalId replicatePAName
109 emptyPAVar <- dsLookupGlobalId emptyPAName
110 -- packPAVar <- dsLookupGlobalId packPAName
111 -- combinePAVar <- dsLookupGlobalId combinePAName
113 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
117 parrayTyCon = parrayTyCon
119 , paDataCon = paDataCon
120 , preprTyCon = preprTyCon
122 , prDataCon = prDataCon
123 , parrayIntPrimTyCon = parrayIntPrimTyCon
124 , voidTyCon = voidTyCon
125 , wrapTyCon = wrapTyCon
126 , sumTyCons = sumTyCons
127 , closureTyCon = closureTyCon
130 , mkClosureVar = mkClosureVar
131 , applyClosureVar = applyClosureVar
132 , mkClosurePVar = mkClosurePVar
133 , applyClosurePVar = applyClosurePVar
134 , replicatePAIntPrimVar = replicatePAIntPrimVar
135 , upToPAIntPrimVar = upToPAIntPrimVar
136 , lengthPAVar = lengthPAVar
137 , replicatePAVar = replicatePAVar
138 , emptyPAVar = emptyPAVar
139 -- , packPAVar = packPAVar
140 -- , combinePAVar = combinePAVar
141 , liftingContext = liftingContext
144 initBuiltinTyCons :: DsM [(Name, TyCon)]
148 return (zip origs vects)
150 (origs, vs) = unzip builtinTyCons
152 builtinTyCons :: [(Name, DsM TyCon)]
153 builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
155 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
158 dicts <- zipWithM lookupExternalVar mods fss
159 return $ zip tcs dicts
161 (tcs, mods, fss) = unzip3 ps
163 initBuiltinPAs = initBuiltinDicts . builtinPAs
165 builtinPAs :: Builtins -> [(Name, Module, FastString)]
168 mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
169 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPA_Void")
170 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
172 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
176 mk name mod fs = (name, mod, fs)
178 tups = map mk_tup [2..3]
179 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
181 (mkFastString $ "dPA_" ++ show n)
183 initBuiltinPRs = initBuiltinDicts . builtinPRs
185 builtinPRs :: Builtins -> [(Name, Module, FastString)]
188 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
189 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPR_Void")
190 , mk (tyConName $ wrapTyCon bi) nDP_REPR FSLIT("dPR_Wrap")
191 , mk closureTyConName nDP_CLOSURE FSLIT("dPR_Clo")
194 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
197 ++ map mk_sum [2..mAX_NDP_SUM]
198 ++ map mk_prod [2..mAX_NDP_PROD]
200 mk name mod fs = (name, mod, fs)
202 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
203 mkFastString ("dPR_Sum" ++ show n))
205 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
206 mkFastString ("dPR_" ++ show n))
208 lookupExternalVar :: Module -> FastString -> DsM Var
209 lookupExternalVar mod fs
210 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
212 lookupExternalTyCon :: Module -> FastString -> DsM TyCon
213 lookupExternalTyCon mod fs
214 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
216 unitTyConName = tyConName unitTyCon
219 primMethod :: TyCon -> String -> DsM (Maybe Var)
220 primMethod tycon method
221 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
223 $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
225 | otherwise = return Nothing
227 primPArray :: TyCon -> DsM (Maybe TyCon)
229 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
231 $ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
233 | otherwise = return Nothing
235 prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
237 mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)