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Gam.chs
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Gam.chs
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%%[0
%include lhs2TeX.fmt
%include afp.fmt
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Gamma (aka Assumptions, Environment)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[1 module {%{EH}Gam} import({%{EH}Gam.Base}) export(module {%{EH}Gam.Base})
%%]
%%[1 module {%{EH}Gam} import(Data.List,EH.Util.Utils,{%{EH}Base.Builtin},{%{EH}Base.Common},{%{EH}NameAspect})
%%]
%%[(1 hmtyinfer || hmtyast).Ty import({%{EH}Ty})
%%]
%%[4 -1.Ty import({%{EH}Ty})
%%]
%%[1 import({%{EH}Error})
%%]
%%[1 import(EH.Util.Pretty) export(ppGam,ppGamDup)
%%]
%%[(1 hmtyinfer || hmtyast) import({%{EH}Ty.Pretty})
%%]
%%[1 export(IdDefOccGam,IdDefOccAsc)
%%]
%%[(2 hmtyinfer || hmtyast) import(qualified Data.Set as Set)
%%]
%%[(2 hmtyinfer || hmtyast) import({%{EH}VarMp},{%{EH}Substitutable})
%%]
%%[(3333 hmtyinfer || hmtyast) import({%{EH}Ty.Trf.Quantify})
%%]
%%[4 import({%{EH}Opts.Base})
%%]
%%[(4444 hmtyinfer || hmtyast) import({%{EH}Ty.Trf.Instantiate})
%%]
%%[(4444 hmtyinfer) import({%{EH}Ty.FitsInCommon})
%%]
%%[4_2 export(ErrGam)
%%]
%%[4_2 export(valGamInst1ExistsWithVarMp)
%%]
%%[7 import(Data.Maybe,qualified Data.Set as Set,qualified Data.Map as Map)
%%]
%%[(8 codegen) import({%{EH}Core})
%%]
%%[(9999 hmtyinfer) import({%{EH}Ty.FitsInCommon})
%%]
%%[8.ScopeMapGam import({%{EH}Gam.ScopeMapGam})
%%]
%%[9 import({%{EH}Base.Debug})
%%]
%%[(9 codegen) import({%{EH}Core.Subst})
%%]
%%[(9 hmtyinfer || hmtyast) hs import({%{EH}VarLookup})
%%]
%%[9 export(idDefOccGamPartitionByKind)
%%]
%%[50 export(idDefOccGamByKind)
%%]
%%[9999 import({%{EH}Base.ForceEval})
%%]
%%[(9999 hmtyinfer || hmtyast) import({%{EH}Ty.Trf.ForceEval})
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Iterating
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[(8 hmtyinfer || hmtyast) export(gamDoTyWithVarMp)
-- Do something with each Ty in a Gam.
-- The global VarMp is kept separately so a new tyvar binding can be computed, which is threaded separatedly and also returned.
-- This allows the retainment of the original tyvar in the Gam, which is required when used twice with different VarMp's.
gamDoTyWithVarMp
:: Ord key =>
(info -> Ty,Ty -> info -> info) -- get/set from/into info in Gam
-- do whatever must be done given
-> (key -- name in gam
-> (Ty,VarMp) -- Ty + cycles
-> VarMp -- new subst
-> thr -- thread
-> (Ty,VarMp,thr)) -- result: new Ty, new subst, thread
-> VarMp -- subst for Gam entries
-> thr -- initial value for thread
-> Gam key info -- the Gam (env)
-> (Gam key info,VarMp,thr) -- result: new gam, new subst, thread
gamDoTyWithVarMp (get,set) f gamVarMp thr gam
= (g,c,thr')
where (g,(thr',c))
= gamMapThr
(\(n,gi) (thr,c)
-> let t = get gi
(t',c',thr') = f n (gamVarMp `varUpdCyc` t) c thr
(tg,cg) = case (tyUnAnn t,tyUnAnn t') of
(Ty_Var v1 _ ,Ty_Var v2 _) | v1 == v2
-> dflt
(Ty_Var v cat,_ ) | not (tvCatIsFixed cat)
-> (t ,v `varmpTyUnit` t')
_ -> dflt
where dflt = (t',emptyVarMp)
in ((n,set ({- tr "gamDoTyWithVarMp.set" (ppTy tg) $ -} tg) gi)
,(thr',{- (\v -> tr "gamDoTyWithVarMp" (pp v) v) $ -} cg `varmpPlus` c')
)
)
(thr,emptyVarMp) gam
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% "Error" gam
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[4_2
type ErrGam = Gam HsName ErrL
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% "XX of sort" gam
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[8 export(SoGam, SoGamInfo(..))
data SoGamInfo
= SoGamInfo
{ sgiSo :: Ty }
deriving Show
type SoGam = Gam HsName SoGamInfo
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Identifier definition occurrence gam
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[1
type IdDefOccGam = Gam IdOcc IdDefOcc
type IdDefOccAsc = AssocL IdOcc [IdDefOcc]
%%]
%%[1 export(idDefOccGamUnion)
-- | Union gam, but tailored to maintaining duplicate definition info
idDefOccGamUnion :: IdDefOccGam -> IdDefOccGam -> IdDefOccGam
%%[[1
idDefOccGamUnion = gamUnion
%%][50
idDefOccGamUnion = gamUnionWith idDefOccLCmb
%%]]
{-# INLINE idDefOccGamUnion #-}
%%]
%%[9
idDefOccGamPartitionByKind :: [IdOccKind] -> IdDefOccGam -> (IdDefOccAsc,IdDefOccAsc)
idDefOccGamPartitionByKind ks
= partition (\(IdOcc n k',_) -> k' `elem` ks) . gamToAssocDupL
%%]
%%[50
idDefOccGamByKind :: IdOccKind -> IdDefOccGam -> AssocL HsName IdDefOcc
idDefOccGamByKind k g = [ (n,head i) | (IdOcc n _,i) <- fst (idDefOccGamPartitionByKind [k] g) ]
%%]
%%[50 export(idDefOccGamStrip)
-- | Strip references to original source file location
idDefOccGamStrip :: IdDefOccGam -> IdDefOccGam
idDefOccGamStrip g = gamMap (\(k,v) -> (k,doccStrip v)) g
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Identifier definition additional aspect gam
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
not used
%%[1111 export(IdDefAspGam,IdDefAspAsc)
type IdDefAspGam = Gam IdOcc IdDefAsp
type IdDefAspAsc = AssocL IdOcc [IdDefAsp]
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Identifier unqualified to qualified gam
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[50 export(IdQualGam)
type IdQualGam = Gam IdOcc HsName
%%]
%%[50 export(idGam2QualGam,idQualGamReplacement)
idGam2QualGam :: IdDefOccGam -> IdQualGam
idGam2QualGam = gamMap (\(iocc,docc) -> (iocc {ioccNm = hsnQualified $ ioccNm iocc},ioccNm $ doccOcc $ docc))
idQualGamReplacement :: IdQualGam -> IdOccKind -> HsName -> HsName
idQualGamReplacement g k n = maybe n id $ gamLookup (IdOcc n k) g
{-# INLINE idQualGamReplacement #-}
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Instances for Substitutable
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[(2 hmtyinfer || hmtyast).Substitutable.Gam
instance (Eq tk,VarUpdatable vv subst) => VarUpdatable (Gam tk vv) subst where
s `varUpd` (Gam ll) = Gam (map (assocLMapElt (s `varUpd`)) ll)
%%[[4
s `varUpdCyc` (Gam ll) = (Gam ll',varmpUnions $ map (varmpUnions . assocLElts) m)
where (ll',m) = unzip $ map (assocLMapUnzip . assocLMapElt (s `varUpdCyc`)) ll
%%]]
instance (Eq k,Eq tk,VarExtractable vv k) => VarExtractable (Gam tk vv) k where
varFreeSet (Gam ll) = Set.unions . map varFreeSet . map snd . concat $ ll
%%]
%%[(8 hmtyinfer || hmtyast).Substitutable.SGam -2.Substitutable.Gam
instance (Ord tk,VarUpdatable vv subst) => VarUpdatable (SGam tk vv) subst where
s `varUpd` g = gamMapElts (s `varUpd`) g
%%[[4
s `varUpdCyc` g = (g',varmpUnions $ gamElts gm)
where (g',gm) = sgamUnzip $ gamMapElts (s `varUpdCyc`) g
%%]]
instance (Ord tk,Ord k,VarExtractable vv k) => VarExtractable (SGam tk vv) k where
varFreeSet g = Set.unions $ map varFreeSet $ gamElts g
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Pretty printing
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[1.ppGam
ppGam :: (Ord k, PP k, PP v) => Gam k v -> PP_Doc
ppGam g = ppAssocL (gamToAssocL g)
%%]
%%[1
ppGamDup :: (Ord k,PP k, PP v) => Gam k v -> PP_Doc
ppGamDup g = ppAssocL $ map (\(k,v) -> (k,ppBracketsCommas v)) $ gamToAssocDupL $ g
%%]
%%[1.PP.Gam
instance (Ord k, PP k, PP v) => PP (Gam k v) where
pp = ppGam
%%]
%%[8.PP.Gam -1.PP.Gam
instance (Ord k, PP k, PP v) => PP (SGam k v) where
pp g = ppGam g
%%]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Init of soGam, only used by TyCore
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%[8 export(initSoGam)
initSoGam :: SoGam
initSoGam
= assocLToGam
[ (hsnKindStar, SoGamInfo kiStar)
]
%%]