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
45 , embedDataCon :: DataCon
46 , sumTyCons :: Array Int TyCon
47 , closureTyCon :: TyCon
49 , applyClosureVar :: Var
50 , mkClosurePVar :: Var
51 , applyClosurePVar :: Var
53 , replicatePAVar :: Var
56 -- , combinePAVar :: Var
58 , liftingContext :: Var
61 sumTyCon :: Int -> Builtins -> TyCon
63 | n >= 2 && n <= mAX_NDP_SUM = sumTyCons bi ! n
64 | otherwise = pprPanic "sumTyCon" (ppr n)
66 prodTyCon :: Int -> Builtins -> TyCon
68 | n >= 2 && n <= mAX_NDP_PROD = tupleTyCon Boxed n
69 | otherwise = pprPanic "prodTyCon" (ppr n)
72 initBuiltins :: DsM Builtins
75 parrayTyCon <- dsLookupTyCon parrayTyConName
76 paTyCon <- dsLookupTyCon paTyConName
77 let [paDataCon] = tyConDataCons paTyCon
78 preprTyCon <- dsLookupTyCon preprTyConName
79 prTyCon <- dsLookupTyCon prTyConName
80 let [prDataCon] = tyConDataCons prTyCon
81 embedTyCon <- dsLookupTyCon embedTyConName
82 let [embedDataCon] = tyConDataCons embedTyCon
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 mkClosureVar <- dsLookupGlobalId mkClosureName
91 applyClosureVar <- dsLookupGlobalId applyClosureName
92 mkClosurePVar <- dsLookupGlobalId mkClosurePName
93 applyClosurePVar <- dsLookupGlobalId applyClosurePName
94 lengthPAVar <- dsLookupGlobalId lengthPAName
95 replicatePAVar <- dsLookupGlobalId replicatePAName
96 emptyPAVar <- dsLookupGlobalId emptyPAName
97 -- packPAVar <- dsLookupGlobalId packPAName
98 -- combinePAVar <- dsLookupGlobalId combinePAName
99 intEqPAVar <- dsLookupGlobalId intEqPAName
101 liftingContext <- liftM (\u -> mkSysLocal FSLIT("lc") u intPrimTy)
105 parrayTyCon = parrayTyCon
107 , paDataCon = paDataCon
108 , preprTyCon = preprTyCon
110 , prDataCon = prDataCon
111 , embedTyCon = embedTyCon
112 , embedDataCon = embedDataCon
113 , sumTyCons = sumTyCons
114 , 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 , intEqPAVar = intEqPAVar
125 , liftingContext = liftingContext
128 initBuiltinTyCons :: DsM [(Name, TyCon)]
132 return (zip origs vects)
134 (origs, vs) = unzip builtinTyCons
136 builtinTyCons :: [(Name, DsM TyCon)]
137 builtinTyCons = [(tyConName funTyCon, dsLookupTyCon closureTyConName)]
139 initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)]
142 dicts <- zipWithM lookupExternalVar mods fss
143 return $ zip tcs dicts
145 (tcs, mods, fss) = unzip3 ps
147 initBuiltinPAs = initBuiltinDicts builtinPAs
149 builtinPAs :: [(Name, Module, FastString)]
151 mk closureTyConName nDP_CLOSURE FSLIT("dPA_Clo")
152 , mk unitTyConName nDP_INSTANCES FSLIT("dPA_Unit")
154 , mk intTyConName nDP_INSTANCES FSLIT("dPA_Int")
158 mk name mod fs = (name, mod, fs)
160 tups = map mk_tup [2..3]
161 mk_tup n = mk (tyConName $ tupleTyCon Boxed n)
163 (mkFastString $ "dPA_" ++ show n)
165 initBuiltinPRs = initBuiltinDicts . builtinPRs
167 builtinPRs :: Builtins -> [(Name, Module, FastString)]
170 mk (tyConName unitTyCon) nDP_REPR FSLIT("dPR_Unit")
171 , mk embedTyConName nDP_REPR FSLIT("dPR_Embed")
172 , mk closureTyConName nDP_CLOSURE FSLIT("dPR_Clo")
175 , mk intTyConName nDP_INSTANCES FSLIT("dPR_Int")
178 ++ map mk_sum [2..mAX_NDP_SUM]
179 ++ map mk_prod [2..mAX_NDP_PROD]
181 mk name mod fs = (name, mod, fs)
183 mk_sum n = (tyConName $ sumTyCon n bi, nDP_REPR,
184 mkFastString ("dPR_Sum" ++ show n))
186 mk_prod n = (tyConName $ prodTyCon n bi, nDP_REPR,
187 mkFastString ("dPR_" ++ show n))
189 lookupExternalVar :: Module -> FastString -> DsM Var
190 lookupExternalVar mod fs
191 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
193 lookupExternalTyCon :: Module -> FastString -> DsM TyCon
194 lookupExternalTyCon mod fs
195 = dsLookupTyCon =<< lookupOrig mod (mkOccNameFS tcName fs)
197 unitTyConName = tyConName unitTyCon