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
50 , sumTyCons :: Array Int TyCon
51 , closureTyCon :: TyCon
54 , applyClosureVar :: Var
55 , mkClosurePVar :: Var
56 , applyClosurePVar :: Var
57 , replicatePAIntPrimVar :: Var
58 , upToPAIntPrimVar :: Var
60 , replicatePAVar :: Var
63 -- , combinePAVar :: Var
64 , liftingContext :: Var
67 sumTyCon :: Int -> Builtins -> TyCon
69 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
70 | otherwise = pprPanic "sumTyCon" (ppr n)
72 prodTyCon :: Int -> Builtins -> TyCon
74 | n == 1 = wrapTyCon bi
75 | n >= 0 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
76 | otherwise = pprPanic "prodTyCon" (ppr n)
78 initBuiltins :: DsM Builtins
81 parrayTyCon <- dsLookupTyCon parrayTyConName
82 paTyCon <- dsLookupTyCon paTyConName
83 let [paDataCon] = tyConDataCons paTyCon
84 preprTyCon <- dsLookupTyCon preprTyConName
85 prTyCon <- dsLookupTyCon prTyConName
86 let [prDataCon] = tyConDataCons prTyCon
87 parrayIntPrimTyCon <- dsLookupTyCon parrayIntPrimTyConName
88 closureTyCon <- dsLookupTyCon closureTyConName
90 wrapTyCon <- lookupExternalTyCon nDP_REPR FSLIT("Wrap")
91 sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
92 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
94 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
96 mkPRVar <- dsLookupGlobalId mkPRName
97 mkClosureVar <- dsLookupGlobalId mkClosureName
98 applyClosureVar <- dsLookupGlobalId applyClosureName
99 mkClosurePVar <- dsLookupGlobalId mkClosurePName
100 applyClosurePVar <- dsLookupGlobalId applyClosurePName
101 replicatePAIntPrimVar <- dsLookupGlobalId replicatePAIntPrimName
102 upToPAIntPrimVar <- dsLookupGlobalId upToPAIntPrimName
103 lengthPAVar <- dsLookupGlobalId lengthPAName
104 replicatePAVar <- dsLookupGlobalId replicatePAName
105 emptyPAVar <- dsLookupGlobalId emptyPAName
106 -- packPAVar <- dsLookupGlobalId packPAName
107 -- combinePAVar <- dsLookupGlobalId combinePAName
109 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
113 parrayTyCon = parrayTyCon
115 , paDataCon = paDataCon
116 , preprTyCon = preprTyCon
118 , prDataCon = prDataCon
119 , parrayIntPrimTyCon = parrayIntPrimTyCon
120 , wrapTyCon = wrapTyCon
121 , sumTyCons = sumTyCons
122 , closureTyCon = closureTyCon
124 , mkClosureVar = mkClosureVar
125 , applyClosureVar = applyClosureVar
126 , mkClosurePVar = mkClosurePVar
127 , applyClosurePVar = applyClosurePVar
128 , replicatePAIntPrimVar = replicatePAIntPrimVar
129 , upToPAIntPrimVar = upToPAIntPrimVar
130 , lengthPAVar = lengthPAVar
131 , replicatePAVar = replicatePAVar
132 , emptyPAVar = emptyPAVar
133 -- , packPAVar = packPAVar
134 -- , combinePAVar = combinePAVar
135 , liftingContext = liftingContext
138 initBuiltinTyCons :: DsM [(Name, TyCon)]
142 return (zip origs vects)
144 (origs, vs) = unzip builtinTyCons
146 builtinTyCons :: [(Name, DsM TyCon)]
147 builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
149 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
152 dicts <- zipWithM lookupExternalVar mods fss
153 return $ zip tcs dicts
155 (tcs, mods, fss) = unzip3 ps
157 initBuiltinPAs = initBuiltinDicts builtinPAs
159 builtinPAs :: [(Name, Module, FastString)]
161 mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
162 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
164 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
168 mk name mod fs = (name, mod, fs)
170 tups = map mk_tup [2..3]
171 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
173 (mkFastString $ "dPA_" ++ show n)
175 initBuiltinPRs = initBuiltinDicts . builtinPRs
177 builtinPRs :: Builtins -> [(Name, Module, FastString)]
180 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
181 , mk (tyConName $ wrapTyCon bi) nDP_REPR FSLIT("dPR_Wrap")
182 , mk closureTyConName nDP_CLOSURE FSLIT("dPR_Clo")
185 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
188 ++ map mk_sum [2..mAX_NDP_SUM]
189 ++ map mk_prod [2..mAX_NDP_PROD]
191 mk name mod fs = (name, mod, fs)
193 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
194 mkFastString ("dPR_Sum" ++ show n))
196 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
197 mkFastString ("dPR_" ++ show n))
199 lookupExternalVar :: Module -> FastString -> DsM Var
200 lookupExternalVar mod fs
201 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
203 lookupExternalTyCon :: Module -> FastString -> DsM TyCon
204 lookupExternalTyCon mod fs
205 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
207 unitTyConName = tyConName unitTyCon
210 primMethod :: TyCon -> String -> DsM (Maybe Var)
211 primMethod tycon method
212 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
214 $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
216 | otherwise = return Nothing
218 primPArray :: TyCon -> DsM (Maybe TyCon)
220 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
222 $ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
224 | otherwise = return Nothing
226 prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
228 mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)