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
49 , sumTyCons :: Array Int TyCon
50 , closureTyCon :: TyCon
53 , applyClosureVar :: Var
54 , mkClosurePVar :: Var
55 , applyClosurePVar :: Var
56 , replicatePAIntPrimVar :: Var
57 , upToPAIntPrimVar :: Var
59 , replicatePAVar :: Var
62 -- , combinePAVar :: Var
63 , liftingContext :: Var
66 sumTyCon :: Int -> Builtins -> TyCon
68 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
69 | otherwise = pprPanic "sumTyCon" (ppr n)
71 prodTyCon :: Int -> Builtins -> TyCon
73 | n >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
74 | otherwise = pprPanic "prodTyCon" (ppr n)
76 initBuiltins :: DsM Builtins
79 parrayTyCon <- dsLookupTyCon parrayTyConName
80 paTyCon <- dsLookupTyCon paTyConName
81 let [paDataCon] = tyConDataCons paTyCon
82 preprTyCon <- dsLookupTyCon preprTyConName
83 prTyCon <- dsLookupTyCon prTyConName
84 let [prDataCon] = tyConDataCons prTyCon
85 parrayIntPrimTyCon <- dsLookupTyCon parrayIntPrimTyConName
86 closureTyCon <- dsLookupTyCon closureTyConName
88 sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
89 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
91 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
93 mkPRVar <- dsLookupGlobalId mkPRName
94 mkClosureVar <- dsLookupGlobalId mkClosureName
95 applyClosureVar <- dsLookupGlobalId applyClosureName
96 mkClosurePVar <- dsLookupGlobalId mkClosurePName
97 applyClosurePVar <- dsLookupGlobalId applyClosurePName
98 replicatePAIntPrimVar <- dsLookupGlobalId replicatePAIntPrimName
99 upToPAIntPrimVar <- dsLookupGlobalId upToPAIntPrimName
100 lengthPAVar <- dsLookupGlobalId lengthPAName
101 replicatePAVar <- dsLookupGlobalId replicatePAName
102 emptyPAVar <- dsLookupGlobalId emptyPAName
103 -- packPAVar <- dsLookupGlobalId packPAName
104 -- combinePAVar <- dsLookupGlobalId combinePAName
106 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
110 parrayTyCon = parrayTyCon
112 , paDataCon = paDataCon
113 , preprTyCon = preprTyCon
115 , prDataCon = prDataCon
116 , parrayIntPrimTyCon = parrayIntPrimTyCon
117 , sumTyCons = sumTyCons
118 , closureTyCon = closureTyCon
120 , mkClosureVar = mkClosureVar
121 , applyClosureVar = applyClosureVar
122 , mkClosurePVar = mkClosurePVar
123 , applyClosurePVar = applyClosurePVar
124 , replicatePAIntPrimVar = replicatePAIntPrimVar
125 , upToPAIntPrimVar = upToPAIntPrimVar
126 , lengthPAVar = lengthPAVar
127 , replicatePAVar = replicatePAVar
128 , emptyPAVar = emptyPAVar
129 -- , packPAVar = packPAVar
130 -- , combinePAVar = combinePAVar
131 , liftingContext = liftingContext
134 initBuiltinTyCons :: DsM [(Name, TyCon)]
138 return (zip origs vects)
140 (origs, vs) = unzip builtinTyCons
142 builtinTyCons :: [(Name, DsM TyCon)]
143 builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
145 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
148 dicts <- zipWithM lookupExternalVar mods fss
149 return $ zip tcs dicts
151 (tcs, mods, fss) = unzip3 ps
153 initBuiltinPAs = initBuiltinDicts builtinPAs
155 builtinPAs :: [(Name, Module, FastString)]
157 mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
158 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
160 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
164 mk name mod fs = (name, mod, fs)
166 tups = map mk_tup [2..3]
167 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
169 (mkFastString $ "dPA_" ++ show n)
171 initBuiltinPRs = initBuiltinDicts . builtinPRs
173 builtinPRs :: Builtins -> [(Name, Module, FastString)]
176 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
177 , mk closureTyConName nDP_CLOSURE FSLIT("dPR_Clo")
180 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
183 ++ map mk_sum [2..mAX_NDP_SUM]
184 ++ map mk_prod [2..mAX_NDP_PROD]
186 mk name mod fs = (name, mod, fs)
188 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
189 mkFastString ("dPR_Sum" ++ show n))
191 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
192 mkFastString ("dPR_" ++ show n))
194 lookupExternalVar :: Module -> FastString -> DsM Var
195 lookupExternalVar mod fs
196 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
198 lookupExternalTyCon :: Module -> FastString -> DsM TyCon
199 lookupExternalTyCon mod fs
200 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
202 unitTyConName = tyConName unitTyCon
205 primMethod :: TyCon -> String -> DsM (Maybe Var)
206 primMethod tycon method
207 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
209 $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
211 | otherwise = return Nothing
213 primPArray :: TyCon -> DsM (Maybe TyCon)
215 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
217 $ dsLookupTyCon =<< lookupOrig nDP_PRIM (mkOccName tcName $ "PArray" ++ suffix)
219 | otherwise = return Nothing
221 prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
223 mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)