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 == 0 = voidTyCon bi
77 | n == 1 = wrapTyCon bi
78 | n >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
79 | otherwise = pprPanic "prodTyCon" (ppr n)
81 initBuiltins :: DsM Builtins
84 parrayTyCon <- dsLookupTyCon parrayTyConName
85 paTyCon <- dsLookupTyCon paTyConName
86 let [paDataCon] = tyConDataCons paTyCon
87 preprTyCon <- dsLookupTyCon preprTyConName
88 prTyCon <- dsLookupTyCon prTyConName
89 let [prDataCon] = tyConDataCons prTyCon
90 parrayIntPrimTyCon <- dsLookupTyCon parrayIntPrimTyConName
91 closureTyCon <- dsLookupTyCon closureTyConName
93 voidTyCon <- lookupExternalTyCon nDP_REPR FSLIT("Void")
94 wrapTyCon <- lookupExternalTyCon nDP_REPR FSLIT("Wrap")
95 sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
96 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
98 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
100 voidVar <- lookupExternalVar nDP_REPR FSLIT("void")
101 mkPRVar <- dsLookupGlobalId mkPRName
102 mkClosureVar <- dsLookupGlobalId mkClosureName
103 applyClosureVar <- dsLookupGlobalId applyClosureName
104 mkClosurePVar <- dsLookupGlobalId mkClosurePName
105 applyClosurePVar <- dsLookupGlobalId applyClosurePName
106 replicatePAIntPrimVar <- dsLookupGlobalId replicatePAIntPrimName
107 upToPAIntPrimVar <- dsLookupGlobalId upToPAIntPrimName
108 lengthPAVar <- dsLookupGlobalId lengthPAName
109 replicatePAVar <- dsLookupGlobalId replicatePAName
110 emptyPAVar <- dsLookupGlobalId emptyPAName
111 -- packPAVar <- dsLookupGlobalId packPAName
112 -- combinePAVar <- dsLookupGlobalId combinePAName
114 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
118 parrayTyCon = parrayTyCon
120 , paDataCon = paDataCon
121 , preprTyCon = preprTyCon
123 , prDataCon = prDataCon
124 , parrayIntPrimTyCon = parrayIntPrimTyCon
125 , voidTyCon = voidTyCon
126 , wrapTyCon = wrapTyCon
127 , sumTyCons = sumTyCons
128 , closureTyCon = closureTyCon
131 , mkClosureVar = mkClosureVar
132 , applyClosureVar = applyClosureVar
133 , mkClosurePVar = mkClosurePVar
134 , applyClosurePVar = applyClosurePVar
135 , replicatePAIntPrimVar = replicatePAIntPrimVar
136 , upToPAIntPrimVar = upToPAIntPrimVar
137 , lengthPAVar = lengthPAVar
138 , replicatePAVar = replicatePAVar
139 , emptyPAVar = emptyPAVar
140 -- , packPAVar = packPAVar
141 -- , combinePAVar = combinePAVar
142 , liftingContext = liftingContext
145 initBuiltinTyCons :: DsM [(Name, TyCon)]
149 return (zip origs vects)
151 (origs, vs) = unzip builtinTyCons
153 builtinTyCons :: [(Name, DsM TyCon)]
154 builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
156 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
159 dicts <- zipWithM lookupExternalVar mods fss
160 return $ zip tcs dicts
162 (tcs, mods, fss) = unzip3 ps
164 initBuiltinPAs = initBuiltinDicts . builtinPAs
166 builtinPAs :: Builtins -> [(Name, Module, FastString)]
169 mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
170 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPA_Void")
171 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
173 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
177 mk name mod fs = (name, mod, fs)
179 tups = map mk_tup [2..3]
180 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
182 (mkFastString $ "dPA_" ++ show n)
184 initBuiltinPRs = initBuiltinDicts . builtinPRs
186 builtinPRs :: Builtins -> [(Name, Module, FastString)]
189 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
190 , mk (tyConName $ voidTyCon bi) nDP_REPR FSLIT("dPR_Void")
191 , mk (tyConName $ wrapTyCon bi) nDP_REPR FSLIT("dPR_Wrap")
192 , mk closureTyConName nDP_CLOSURE FSLIT("dPR_Clo")
195 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
198 ++ map mk_sum [2..mAX_NDP_SUM]
199 ++ map mk_prod [2..mAX_NDP_PROD]
201 mk name mod fs = (name, mod, fs)
203 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
204 mkFastString ("dPR_Sum" ++ show n))
206 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
207 mkFastString ("dPR_" ++ show n))
209 lookupExternalVar :: Module -> FastString -> DsM Var
210 lookupExternalVar mod fs
211 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
213 lookupExternalTyCon :: Module -> FastString -> DsM TyCon
214 lookupExternalTyCon mod fs
215 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
217 unitTyConName = tyConName unitTyCon
220 primMethod :: TyCon -> String -> DsM (Maybe Var)
221 primMethod tycon method
222 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
224 $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
226 | otherwise = return Nothing
228 primPArray :: TyCon -> DsM (Maybe TyCon)
230 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
232 $ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
234 | otherwise = return Nothing
236 prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
238 mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)