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Diffstat (limited to 'src/GF/Source/GrammarToSource.hs')
| -rw-r--r-- | src/GF/Source/GrammarToSource.hs | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/src/GF/Source/GrammarToSource.hs b/src/GF/Source/GrammarToSource.hs deleted file mode 100644 index 6d48e4ced..000000000 --- a/src/GF/Source/GrammarToSource.hs +++ /dev/null @@ -1,259 +0,0 @@ ----------------------------------------------------------------------- --- | --- Module : GrammarToSource --- Maintainer : AR --- Stability : (stable) --- Portability : (portable) --- --- > CVS $Date: 2005/10/04 11:05:07 $ --- > CVS $Author: aarne $ --- > CVS $Revision: 1.23 $ --- --- From internal source syntax to BNFC-generated (used for printing). ------------------------------------------------------------------------------ - -module GF.Source.GrammarToSource ( trGrammar, - trModule, - trAnyDef, - trLabel, - trt, tri, trp - ) where - -import GF.Data.Operations -import GF.Grammar.Grammar -import GF.Infra.Modules -import GF.Infra.Option -import qualified GF.Source.AbsGF as P -import GF.Infra.Ident - --- | AR 13\/5\/2003 --- --- translate internal to parsable and printable source -trGrammar :: SourceGrammar -> P.Grammar -trGrammar (MGrammar ms) = P.Gr (map trModule ms) -- no includes - -trModule :: (Ident,SourceModInfo) -> P.ModDef -trModule (i,mo) = case mo of - ModMod m -> P.MModule compl typ body where - compl = case mstatus m of - MSIncomplete -> P.CMIncompl - _ -> P.CMCompl - i' = tri i - typ = case typeOfModule mo of - MTResource -> P.MTResource i' - MTAbstract -> P.MTAbstract i' - MTConcrete a -> P.MTConcrete i' (tri a) - MTTransfer a b -> P.MTTransfer i' (trOpen a) (trOpen b) - MTInstance a -> P.MTInstance i' (tri a) - MTInterface -> P.MTInterface i' - body = P.MBody - (trExtends (extend m)) - (mkOpens (map trOpen (opens m))) - (mkTopDefs (concatMap trAnyDef (tree2list (jments m)) ++ map trFlag (flags m))) - -trExtends :: [(Ident,MInclude Ident)] -> P.Extend -trExtends [] = P.NoExt -trExtends es = (P.Ext $ map tre es) where - tre (i,c) = case c of - MIAll -> P.IAll (tri i) - MIOnly is -> P.ISome (tri i) (map tri is) - MIExcept is -> P.IMinus (tri i) (map tri is) - ----- this has to be completed with other mtys -forName (MTConcrete a) = tri a - -trOpen :: OpenSpec Ident -> P.Open -trOpen o = case o of - OSimple OQNormal i -> P.OName (tri i) - OSimple q i -> P.OQualQO (trQualOpen q) (tri i) - OQualif q i j -> P.OQual (trQualOpen q) (tri i) (tri j) - -trQualOpen q = case q of - OQNormal -> P.QOCompl - OQIncomplete -> P.QOIncompl - OQInterface -> P.QOInterface - - -mkOpens ds = if null ds then P.NoOpens else P.OpenIn ds -mkTopDefs ds = ds - -trAnyDef :: (Ident,Info) -> [P.TopDef] -trAnyDef (i,info) = let i' = tri i in case info of - AbsCat (Yes co) pd -> [P.DefCat [P.SimpleCatDef i' (map trDecl co)]] - AbsFun (Yes ty) (Yes EData) -> [P.DefFunData [P.FunDef [i'] (trt ty)]] - AbsFun (Yes ty) pt -> [P.DefFun [P.FunDef [i'] (trt ty)]] ++ case pt of - Yes t -> [P.DefDef [P.DDef [mkName i'] (trt t)]] - _ -> [] - AbsFun (May b) _ -> [P.DefFun [P.FunDef [i'] (P.EIndir (tri b))]] - ---- don't destroy definitions! - AbsTrans f -> [P.DefTrans [P.DDef [mkName i'] (trt f)]] - - ResOper pty ptr -> [P.DefOper [trDef i' pty ptr]] - ResParam pp -> [P.DefPar [case pp of - Yes (ps,_) -> P.ParDefDir i' [P.ParConstr (tri c) (map trDecl co) | (c,co) <- ps] - May b -> P.ParDefIndir i' $ tri b - _ -> P.ParDefAbs i']] - - ResOverload tysts -> - [P.DefOper [P.DDef [mkName i'] ( - P.EApp (P.EIdent $ tri $ identC "overload") - (P.ERecord [P.LDFull [i'] (trt ty) (trt fu) | (ty,fu) <- tysts]))]] - - CncCat (Yes ty) Nope _ -> - [P.DefLincat [P.PrintDef [mkName i'] (trt ty)]] - CncCat pty ptr ppr -> - [P.DefLindef [trDef i' pty ptr]] ++ - [P.DefPrintCat [P.PrintDef [mkName i'] (trt pr)] | Yes pr <- [ppr]] - CncFun _ ptr ppr -> - [P.DefLin [trDef i' nope ptr]] ++ - [P.DefPrintFun [P.PrintDef [mkName i'] (trt pr)] | Yes pr <- [ppr]] -{- - ---- encoding of AnyInd without changing syntax. AR 20/9/2007 - AnyInd s b -> - [P.DefOper [P.DDef [mkName i] - (P.EApp (P.EInt (if s then 1 else 0)) (P.EIdent (tri b)))]] --} - _ -> [] - - -trDef :: P.PIdent -> Perh Type -> Perh Term -> P.Def -trDef i pty ptr = case (pty,ptr) of - (Nope, Nope) -> P.DDef [mkName i] (P.EMeta) --- - (_, Nope) -> P.DDecl [mkName i] (trPerh pty) - (Nope, _ ) -> P.DDef [mkName i] (trPerh ptr) - (_, _ ) -> P.DFull [mkName i] (trPerh pty) (trPerh ptr) - -trPerh p = case p of - Yes t -> trt t - May b -> P.EIndir $ tri b - _ -> P.EMeta --- - - -trFlag :: Option -> P.TopDef -trFlag o = case o of - Opt (f,[x]) -> P.DefFlag [P.FlagDef (tri $ identC f) (tri $ identC x)] - _ -> P.DefFlag [] --- warning? - -trt :: Term -> P.Exp -trt trm = case trm of - Vr s -> P.EIdent $ tri s - Cn s -> P.ECons $ tri s - Con s -> P.EConstr $ tri s - Sort s -> P.ESort $ case s of - "Type" -> P.Sort_Type - "PType" -> P.Sort_PType - "Tok" -> P.Sort_Tok - "Str" -> P.Sort_Str - "Strs" -> P.Sort_Strs - _ -> 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) - - Example t s -> P.EExample (trt t) s - R [] -> P.ETuple [] --- to get correct parsing when read back - R r -> P.ERecord $ map trAssign r - RecType r -> P.ERecord $ map trLabelling r - ExtR x y -> P.EExtend (trt x) (trt y) - P t l -> P.EProj (trt t) (trLabel l) - PI t l _ -> P.EProj (trt t) (trLabel l) - Q t l -> P.EQCons (tri t) (tri l) - QC t l -> P.EQConstr (tri t) (tri l) - TSh (TComp ty) cc -> P.ETTable (trt ty) (map trCases cc) - TSh (TTyped ty) cc -> P.ETTable (trt ty) (map trCases cc) - TSh (TWild ty) cc -> P.ETTable (trt ty) (map trCases cc) - T (TTyped ty) cc -> P.ETTable (trt ty) (map trCase cc) - T (TComp ty) cc -> P.ETTable (trt ty) (map trCase cc) - T (TWild ty) cc -> P.ETTable (trt ty) (map trCase cc) - T _ cc -> P.ETable (map trCase cc) - V ty cc -> P.EVTable (trt ty) (map trt cc) - - Table x v -> P.ETType (trt x) (trt v) - S f x -> P.ESelect (trt f) (trt x) ----- Alias c a t -> "{-" +++ prt c +++ "=" +++ "-}" +++ prt t --- Alias c a t -> prt (Let (c,(Just a,t)) (Vr c)) -- thus Alias is only internal - - Let (x,(ma,b)) t -> - P.ELet [maybe (P.LDDef x' b') (\ty -> P.LDFull x' (trt ty) b') ma] (trt t) - where - b' = trt b - x' = [tri x] - - Empty -> P.EEmpty - K [] -> P.EEmpty - K a -> P.EString a - C a b -> P.EConcat (trt a) (trt b) - - EInt i -> P.EInt i - EFloat i -> P.EFloat i - - EPatt p -> P.EPatt (trp p) - EPattType t -> P.EPattType (trt t) - - Glue a b -> P.EGlue (trt a) (trt b) - 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 - _ -> error $ "not yet" +++ show trm ---- - -trp :: Patt -> P.Patt -trp p = case p of - PW -> P.PW - PV s | isWildIdent s -> P.PW - PV s -> P.PV $ tri s - PC c [] -> P.PCon $ tri c - PC c a -> P.PC (tri c) (map trp a) - PP p c [] -> P.PQ (tri p) (tri c) - PP p c a -> P.PQC (tri p) (tri c) (map trp a) - PR r -> P.PR [P.PA [tri $ trLabelIdent l] (trp p) | (l,p) <- r] - PString s -> P.PStr s - PInt i -> P.PInt i - PFloat i -> P.PFloat i - PT t p -> trp p ---- prParenth (prt p +++ ":" +++ prt t) - - PAs x p -> P.PAs (tri x) (trp p) - - PAlt p q -> P.PDisj (trp p) (trp q) - PSeq p q -> P.PSeq (trp p) (trp q) - PRep p -> P.PRep (trp p) - PNeg p -> P.PNeg (trp p) - PChar -> P.PChar - PChars s -> P.PChars s - PM m c -> P.PM (tri m) (tri c) - - -trAssign (lab, (mty, t)) = maybe (P.LDDef x t') (\ty -> P.LDFull x (trt ty) t') mty - where - t' = trt t - x = [tri $ trLabelIdent lab] - -trLabelling (lab,ty) = P.LDDecl [tri $ trLabelIdent lab] (trt ty) - -trCase (patt, trm) = P.Case (trp patt) (trt trm) -trCases (patts,trm) = P.Case (foldl1 P.PDisj (map trp patts)) (trt trm) - -trDecl (x,ty) = P.DDDec [trb x] (trt ty) - -tri :: Ident -> P.PIdent -tri = ppIdent . prIdent - -ppIdent i = P.PIdent ((0,0),i) - -trb i = if isWildIdent i then P.BWild else P.BIdent (tri i) - -trLabel :: Label -> P.Label -trLabel i = case i of - LIdent s -> P.LIdent $ ppIdent s - LVar i -> P.LVar $ toInteger i - -trLabelIdent i = identC $ case i of - LIdent s -> s - LVar i -> "v" ++ show i --- should not happen - -mkName :: P.PIdent -> P.Name -mkName = P.IdentName |
