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 )
24 import TysWiredIn ( unitTyCon, tupleTyCon, intTyConName )
26 import BasicTypes ( Boxity(..) )
32 import Control.Monad ( liftM, zipWithM )
40 data Builtins = Builtins {
43 , paDataCon :: DataCon
46 , prDataCon :: DataCon
48 , sumTyCons :: Array Int TyCon
49 , closureTyCon :: TyCon
52 , applyClosureVar :: Var
53 , mkClosurePVar :: Var
54 , applyClosurePVar :: Var
56 , replicatePAVar :: Var
59 -- , combinePAVar :: Var
60 , liftingContext :: Var
63 sumTyCon :: Int -> Builtins -> TyCon
65 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
66 | otherwise = pprPanic "sumTyCon" (ppr n)
68 prodTyCon :: Int -> Builtins -> TyCon
70 | n >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
71 | otherwise = pprPanic "prodTyCon" (ppr n)
73 initBuiltins :: DsM Builtins
76 parrayTyCon <- dsLookupTyCon parrayTyConName
77 paTyCon <- dsLookupTyCon paTyConName
78 let [paDataCon] = tyConDataCons paTyCon
79 preprTyCon <- dsLookupTyCon preprTyConName
80 prTyCon <- dsLookupTyCon prTyConName
81 uarrTyCon <- dsLookupTyCon uarrTyConName
82 let [prDataCon] = tyConDataCons prTyCon
83 closureTyCon <- dsLookupTyCon closureTyConName
85 sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
86 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
88 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
90 mkPRVar <- dsLookupGlobalId mkPRName
91 mkClosureVar <- dsLookupGlobalId mkClosureName
92 applyClosureVar <- dsLookupGlobalId applyClosureName
93 mkClosurePVar <- dsLookupGlobalId mkClosurePName
94 applyClosurePVar <- dsLookupGlobalId applyClosurePName
95 lengthPAVar <- dsLookupGlobalId lengthPAName
96 replicatePAVar <- dsLookupGlobalId replicatePAName
97 emptyPAVar <- dsLookupGlobalId emptyPAName
98 -- packPAVar <- dsLookupGlobalId packPAName
99 -- combinePAVar <- dsLookupGlobalId combinePAName
101 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
105 parrayTyCon = parrayTyCon
107 , paDataCon = paDataCon
108 , preprTyCon = preprTyCon
110 , prDataCon = prDataCon
111 , uarrTyCon = uarrTyCon
112 , sumTyCons = sumTyCons
113 , closureTyCon = closureTyCon
115 , mkClosureVar = mkClosureVar
116 , applyClosureVar = applyClosureVar
117 , mkClosurePVar = mkClosurePVar
118 , applyClosurePVar = applyClosurePVar
119 , lengthPAVar = lengthPAVar
120 , replicatePAVar = replicatePAVar
121 , emptyPAVar = emptyPAVar
122 -- , packPAVar = packPAVar
123 -- , combinePAVar = combinePAVar
124 , liftingContext = liftingContext
127 initBuiltinTyCons :: DsM [(Name, TyCon)]
131 return (zip origs vects)
133 (origs, vs) = unzip builtinTyCons
135 builtinTyCons :: [(Name, DsM TyCon)]
136 builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
138 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
141 dicts <- zipWithM lookupExternalVar mods fss
142 return $ zip tcs dicts
144 (tcs, mods, fss) = unzip3 ps
146 initBuiltinPAs = initBuiltinDicts builtinPAs
148 builtinPAs :: [(Name, Module, FastString)]
150 mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
151 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
153 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
157 mk name mod fs = (name, mod, fs)
159 tups = map mk_tup [2..3]
160 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
162 (mkFastString $ "dPA_" ++ show n)
164 initBuiltinPRs = initBuiltinDicts . builtinPRs
166 builtinPRs :: Builtins -> [(Name, Module, FastString)]
169 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
170 , mk closureTyConName nDP_CLOSURE FSLIT("dPR_Clo")
173 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
176 ++ map mk_sum [2..mAX_NDP_SUM]
177 ++ map mk_prod [2..mAX_NDP_PROD]
179 mk name mod fs = (name, mod, fs)
181 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
182 mkFastString ("dPR_Sum" ++ show n))
184 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
185 mkFastString ("dPR_" ++ show n))
187 lookupExternalVar :: Module -> FastString -> DsM Var
188 lookupExternalVar mod fs
189 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
191 lookupExternalTyCon :: Module -> FastString -> DsM TyCon
192 lookupExternalTyCon mod fs
193 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
195 unitTyConName = tyConName unitTyCon
198 primMethod :: TyCon -> String -> DsM (Maybe Var)
199 primMethod tycon method
200 | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)
202 $ dsLookupGlobalId =<< lookupOrig nDP_PRIM (mkVarOcc $ method ++ suffix)
204 | otherwise = return Nothing
206 prim_ty_cons = mkNameEnv [mk_prim intPrimTyCon]
208 mk_prim tycon = (tyConName tycon, '_' : getOccString tycon)