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refactor the PGF.Expr type and the evaluation of abstract expressions

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krasimir
2009-05-20 21:03:56 +00:00
parent f9574dcf77
commit e5399f2d0e
32 changed files with 245 additions and 360 deletions
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9
src/GF/Source/GrammarToSource.hs
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@@ -75,10 +75,9 @@ mkTopDefs ds = ds
trAnyDef :: (Ident,Info) -> [P.TopDef]
trAnyDef (i,info) = let i' = tri i in case info of
AbsCat (Just co) pd -> [P.DefCat [P.SimpleCatDef i' (map trDecl co)]]
AbsFun (Just ty) (Just EData) -> [P.DefFunData [P.FunDef [i'] (trt ty)]]
AbsFun (Just ty) pt -> [P.DefFun [P.FunDef [i'] (trt ty)]] ++ case pt of
Just t -> [P.DefDef [P.DDef [mkName i'] (trt t)]]
Nothing -> []
AbsFun (Just ty) Nothing -> [P.DefFunData [P.FunDef [i'] (trt ty)]]
AbsFun (Just ty) (Just eqs) -> [P.DefFun [P.FunDef [i'] (trt ty)]] ++
[P.DefDef [P.DPatt (mkName i') (map trp patts) (trt res)] | (patts,res) <- eqs]
ResOper pty ptr -> [P.DefOper [trDef i' pty ptr]]
ResParam pp -> [P.DefPar [case pp of
@@ -129,7 +128,6 @@ trt trm = case trm of
error $ "not yet sort " +++ show trm
App c a -> P.EApp (trt c) (trt a)
Abs x b -> P.EAbstr [trb x] (trt b)
Eqs pts -> P.EEqs [P.Equ (map trp ps) (trt t) | (ps,t) <- pts]
Meta m -> P.EMeta
Prod x a b | isWildIdent x -> P.EProd (P.DExp (trt a)) (trt b)
Prod x a b -> P.EProd (P.DDec [trb x] (trt a)) (trt b)
@@ -178,7 +176,6 @@ trt trm = case trm of
Alts (t, tt) -> P.EPre (trt t) [P.Alt (trt v) (trt c) | (v,c) <- tt]
FV ts -> P.EVariants $ map trt ts
Strs tt -> P.EStrs $ map trt tt
EData -> P.EData
Val te _ _ -> trt te ----
_ -> error $ "not yet" +++ show trm ----