2 Builtins(..), sumTyCon, prodTyCon,
3 initBuiltins, initBuiltinTyCons, initBuiltinPAs, initBuiltinPRs
6 #include "HsVersions.h"
9 import IfaceEnv ( lookupOrig )
11 import Module ( Module )
12 import DataCon ( DataCon )
13 import TyCon ( TyCon, tyConName, tyConDataCons )
15 import Id ( mkSysLocal )
17 import OccName ( mkVarOccFS, mkOccNameFS, tcName )
19 import TypeRep ( funTyCon )
20 import TysPrim ( intPrimTy )
21 import TysWiredIn ( unitTyCon, tupleTyCon, intTyConName )
23 import BasicTypes ( Boxity(..) )
29 import Control.Monad ( liftM, zipWithM )
37 data Builtins = Builtins {
40 , paDataCon :: DataCon
43 , prDataCon :: DataCon
44 , sumTyCons :: Array Int TyCon
45 , closureTyCon :: TyCon
48 , applyClosureVar :: Var
49 , mkClosurePVar :: Var
50 , applyClosurePVar :: Var
52 , replicatePAVar :: Var
55 -- , combinePAVar :: Var
57 , liftingContext :: Var
60 sumTyCon :: Int -> Builtins -> TyCon
62 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
63 | otherwise = pprPanic "sumTyCon" (ppr n)
65 prodTyCon :: Int -> Builtins -> TyCon
67 | n >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
68 | otherwise = pprPanic "prodTyCon" (ppr n)
71 initBuiltins :: DsM Builtins
74 parrayTyCon <- dsLookupTyCon parrayTyConName
75 paTyCon <- dsLookupTyCon paTyConName
76 let [paDataCon] = tyConDataCons paTyCon
77 preprTyCon <- dsLookupTyCon preprTyConName
78 prTyCon <- dsLookupTyCon prTyConName
79 let [prDataCon] = tyConDataCons prTyCon
80 closureTyCon <- dsLookupTyCon closureTyConName
82 sum_tcs <- mapM (lookupExternalTyCon nDP_REPR)
83 [mkFastString ("Sum" ++ show i) | i <- [2..mAX_NDP_SUM]]
85 let sumTyCons = listArray (2, mAX_NDP_SUM) sum_tcs
87 mkPRVar <- dsLookupGlobalId mkPRName
88 mkClosureVar <- dsLookupGlobalId mkClosureName
89 applyClosureVar <- dsLookupGlobalId applyClosureName
90 mkClosurePVar <- dsLookupGlobalId mkClosurePName
91 applyClosurePVar <- dsLookupGlobalId applyClosurePName
92 lengthPAVar <- dsLookupGlobalId lengthPAName
93 replicatePAVar <- dsLookupGlobalId replicatePAName
94 emptyPAVar <- dsLookupGlobalId emptyPAName
95 -- packPAVar <- dsLookupGlobalId packPAName
96 -- combinePAVar <- dsLookupGlobalId combinePAName
97 intEqPAVar <- dsLookupGlobalId intEqPAName
99 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
103 parrayTyCon = parrayTyCon
105 , paDataCon = paDataCon
106 , preprTyCon = preprTyCon
108 , prDataCon = prDataCon
109 , sumTyCons = sumTyCons
110 , closureTyCon = closureTyCon
112 , mkClosureVar = mkClosureVar
113 , applyClosureVar = applyClosureVar
114 , mkClosurePVar = mkClosurePVar
115 , applyClosurePVar = applyClosurePVar
116 , lengthPAVar = lengthPAVar
117 , replicatePAVar = replicatePAVar
118 , emptyPAVar = emptyPAVar
119 -- , packPAVar = packPAVar
120 -- , combinePAVar = combinePAVar
121 , intEqPAVar = intEqPAVar
122 , liftingContext = liftingContext
125 initBuiltinTyCons :: DsM [(Name, TyCon)]
129 return (zip origs vects)
131 (origs, vs) = unzip builtinTyCons
133 builtinTyCons :: [(Name, DsM TyCon)]
134 builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
136 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
139 dicts <- zipWithM lookupExternalVar mods fss
140 return $ zip tcs dicts
142 (tcs, mods, fss) = unzip3 ps
144 initBuiltinPAs = initBuiltinDicts builtinPAs
146 builtinPAs :: [(Name, Module, FastString)]
148 mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
149 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
151 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
155 mk name mod fs = (name, mod, fs)
157 tups = map mk_tup [2..3]
158 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
160 (mkFastString $ "dPA_" ++ show n)
162 initBuiltinPRs = initBuiltinDicts . builtinPRs
164 builtinPRs :: Builtins -> [(Name, Module, FastString)]
167 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
168 , mk closureTyConName nDP_CLOSURE FSLIT("dPR_Clo")
171 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
174 ++ map mk_sum [2..mAX_NDP_SUM]
175 ++ map mk_prod [2..mAX_NDP_PROD]
177 mk name mod fs = (name, mod, fs)
179 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
180 mkFastString ("dPR_Sum" ++ show n))
182 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
183 mkFastString ("dPR_" ++ show n))
185 lookupExternalVar :: Module -> FastString -> DsM Var
186 lookupExternalVar mod fs
187 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
189 lookupExternalTyCon :: Module -> FastString -> DsM TyCon
190 lookupExternalTyCon mod fs
191 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
193 unitTyConName = tyConName unitTyCon