X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Frename%2FRnHsSyn.lhs;h=953d8add83dc4962d09c3663b83d178331ba0521;hb=1fb1ab5d53a09607e7f6d2450806760688396387;hp=51073048bc8fe24f8798e0cef79592692745cfe0;hpb=3990d44447b6c38a2effd68beb50da459dfd19fc;p=ghc-hetmet.git diff --git a/ghc/compiler/rename/RnHsSyn.lhs b/ghc/compiler/rename/RnHsSyn.lhs index 5107304..953d8ad 100644 --- a/ghc/compiler/rename/RnHsSyn.lhs +++ b/ghc/compiler/rename/RnHsSyn.lhs @@ -8,193 +8,81 @@ module RnHsSyn where -import Ubiq +IMP_Ubiq() import HsSyn -import Id ( isDataCon, GenId, Id(..) ) -import Name ( isLocalName, nameUnique, Name, RdrName(..){-ToDo: rm ..-}, - mkLocalName{-ToDo:rm-} - ) +import Id ( GenId, SYN_IE(Id) ) +import Name ( Name ) import Outputable ( Outputable(..){-instance * []-} ) import PprStyle ( PprStyle(..) ) import PprType ( GenType, GenTyVar, TyCon ) import Pretty +import Name ( SYN_IE(NameSet), unitNameSet, mkNameSet, minusNameSet, unionNameSets, emptyNameSet ) import TyCon ( TyCon ) import TyVar ( GenTyVar ) -import Unique ( mkAlphaTyVarUnique, Unique ) -import Util ( panic, pprPanic, pprTrace{-ToDo:rm-} ) +import Unique ( Unique ) +import Util ( panic, pprPanic{-, pprTrace ToDo:rm-} ) \end{code} -\begin{code} -data RnName - = WiredInId Id - | WiredInTyCon TyCon - | RnName Name -- functions/binders/tyvars - | RnSyn Name -- type synonym - | RnData Name [Name] [Name] -- data type (with constrs and fields) - | RnConstr Name Name -- constructor (with data type) - | RnField Name Name -- field (with data type) - | RnClass Name [Name] -- class (with class ops) - | RnClassOp Name Name -- class op (with class) - | RnImplicit Name -- implicitly imported - | RnImplicitTyCon Name -- implicitly imported - | RnImplicitClass Name -- implicitly imported - | RnUnbound RdrName -- place holder - -mkRnName = RnName -mkRnImplicit = RnImplicit -mkRnImplicitTyCon = RnImplicitTyCon -mkRnImplicitClass = RnImplicitClass -mkRnUnbound = RnUnbound - -isRnWired (WiredInId _) = True -isRnWired (WiredInTyCon _) = True -isRnWired _ = False - -isRnLocal (RnName n) = isLocalName n -isRnLocal _ = False - -isRnTyCon (WiredInTyCon _) = True -isRnTyCon (RnSyn _) = True -isRnTyCon (RnData _ _ _) = True -isRnTyCon (RnImplicitTyCon _) = True -isRnTyCon _ = False - -isRnClass (RnClass _ _) = True -isRnClass (RnImplicitClass _) = True -isRnClass _ = False - --- a common need: isRnTyCon || isRnClass: -isRnTyConOrClass (WiredInTyCon _) = True -isRnTyConOrClass (RnSyn _) = True -isRnTyConOrClass (RnData _ _ _) = True -isRnTyConOrClass (RnImplicitTyCon _) = True -isRnTyConOrClass (RnClass _ _) = True -isRnTyConOrClass (RnImplicitClass _) = True -isRnTyConOrClass _ = False - -isRnConstr (RnConstr _ _) = True -isRnConstr (WiredInId id) = isDataCon id -isRnConstr _ = False - -isRnField (RnField _ _) = True -isRnField _ = False - -isRnClassOp cls (RnClassOp _ op_cls) = eqUniqsNamed cls op_cls -isRnClassOp cls _ = False - -isRnImplicit (RnImplicit _) = True -isRnImplicit (RnImplicitTyCon _) = True -isRnImplicit (RnImplicitClass _) = True -isRnImplicit _ = False - -isRnUnbound (RnUnbound _) = True -isRnUnbound _ = False - -isRnDecl (RnName _) = True -isRnDecl (RnSyn _) = True -isRnDecl (RnData _ _ _) = True -isRnDecl (RnClass _ _) = True -isRnDecl _ = False - --- Very general NamedThing comparison, used when comparing --- Uniquable things with different types - -eqUniqsNamed n1 n2 = uniqueOf n1 == uniqueOf n2 -cmpUniqsNamed n1 n2 = uniqueOf n1 `cmp` uniqueOf n2 - -instance Eq RnName where - a == b = eqUniqsNamed a b - -instance Ord3 RnName where - a `cmp` b = cmpUniqsNamed a b - -instance Uniquable RnName where - uniqueOf = nameUnique . getName - -instance NamedThing RnName where - getName (WiredInId id) = getName id - getName (WiredInTyCon tc) = getName tc - getName (RnName n) = n - getName (RnSyn n) = n - getName (RnData n _ _) = n - getName (RnConstr n _) = n - getName (RnField n _) = n - getName (RnClass n _) = n - getName (RnClassOp n _) = n - getName (RnImplicit n) = n - getName (RnImplicitTyCon n) = n - getName (RnImplicitClass n) = n - getName (RnUnbound occ) = pprTrace "getRnName:RnUnbound: " (ppr PprDebug occ) - (case occ of - Unqual n -> mkLocalName bottom n bottom2 - Qual m n -> mkLocalName bottom n bottom2) - where bottom = mkAlphaTyVarUnique 0 -- anything; just something that will print - bottom2 = panic "getRnName: srcloc" - -instance Outputable RnName where -#ifdef DEBUG - ppr sty@PprShowAll (RnData n cs fs) = ppBesides [ppr sty n, ppStr "{-", ppr sty cs, ppr sty fs, ppStr "-}"] - ppr sty@PprShowAll (RnConstr n d) = ppBesides [ppr sty n, ppStr "{-", ppr sty d, ppStr "-}"] - ppr sty@PprShowAll (RnField n d) = ppBesides [ppr sty n, ppStr "{-", ppr sty d, ppStr "-}"] - ppr sty@PprShowAll (RnClass n ops) = ppBesides [ppr sty n, ppStr "{-", ppr sty ops, ppStr "-}"] - ppr sty@PprShowAll (RnClassOp n c) = ppBesides [ppr sty n, ppStr "{-", ppr sty c, ppStr "-}"] -#endif - ppr sty (WiredInId id) = ppr sty id - ppr sty (WiredInTyCon tycon)= ppr sty tycon - ppr sty (RnUnbound occ) = ppBeside (ppr sty occ) (ppPStr SLIT("{-UNBOUND-}")) - ppr sty rn_name = ppr sty (getName rn_name) -\end{code} \begin{code} -type RenamedArithSeqInfo = ArithSeqInfo Fake Fake RnName RenamedPat -type RenamedBind = Bind Fake Fake RnName RenamedPat -type RenamedClassDecl = ClassDecl Fake Fake RnName RenamedPat -type RenamedClassOpSig = Sig RnName -type RenamedConDecl = ConDecl RnName -type RenamedContext = Context RnName -type RenamedSpecDataSig = SpecDataSig RnName -type RenamedDefaultDecl = DefaultDecl RnName -type RenamedFixityDecl = FixityDecl RnName -type RenamedGRHS = GRHS Fake Fake RnName RenamedPat -type RenamedGRHSsAndBinds = GRHSsAndBinds Fake Fake RnName RenamedPat -type RenamedHsBinds = HsBinds Fake Fake RnName RenamedPat -type RenamedHsExpr = HsExpr Fake Fake RnName RenamedPat -type RenamedHsModule = HsModule Fake Fake RnName RenamedPat -type RenamedInstDecl = InstDecl Fake Fake RnName RenamedPat -type RenamedMatch = Match Fake Fake RnName RenamedPat -type RenamedMonoBinds = MonoBinds Fake Fake RnName RenamedPat -type RenamedMonoType = MonoType RnName -type RenamedPat = InPat RnName -type RenamedPolyType = PolyType RnName -type RenamedRecordBinds = HsRecordBinds Fake Fake RnName RenamedPat -type RenamedQual = Qual Fake Fake RnName RenamedPat -type RenamedSig = Sig RnName -type RenamedSpecInstSig = SpecInstSig RnName -type RenamedStmt = Stmt Fake Fake RnName RenamedPat -type RenamedTyDecl = TyDecl RnName - -type RenamedClassOpPragmas = ClassOpPragmas RnName -type RenamedClassPragmas = ClassPragmas RnName -type RenamedDataPragmas = DataPragmas RnName -type RenamedGenPragmas = GenPragmas RnName -type RenamedInstancePragmas = InstancePragmas RnName +type RenamedArithSeqInfo = ArithSeqInfo Fake Fake Name RenamedPat +type RenamedBind = Bind Fake Fake Name RenamedPat +type RenamedClassDecl = ClassDecl Fake Fake Name RenamedPat +type RenamedClassOpSig = Sig Name +type RenamedConDecl = ConDecl Name +type RenamedContext = Context Name +type RenamedHsDecl = HsDecl Fake Fake Name RenamedPat +type RenamedSpecDataSig = SpecDataSig Name +type RenamedDefaultDecl = DefaultDecl Name +type RenamedFixityDecl = FixityDecl Name +type RenamedGRHS = GRHS Fake Fake Name RenamedPat +type RenamedGRHSsAndBinds = GRHSsAndBinds Fake Fake Name RenamedPat +type RenamedHsBinds = HsBinds Fake Fake Name RenamedPat +type RenamedHsExpr = HsExpr Fake Fake Name RenamedPat +type RenamedHsModule = HsModule Fake Fake Name RenamedPat +type RenamedInstDecl = InstDecl Fake Fake Name RenamedPat +type RenamedMatch = Match Fake Fake Name RenamedPat +type RenamedMonoBinds = MonoBinds Fake Fake Name RenamedPat +type RenamedPat = InPat Name +type RenamedHsType = HsType Name +type RenamedRecordBinds = HsRecordBinds Fake Fake Name RenamedPat +type RenamedSig = Sig Name +type RenamedSpecInstSig = SpecInstSig Name +type RenamedStmt = Stmt Fake Fake Name RenamedPat +type RenamedTyDecl = TyDecl Name + +type RenamedClassOpPragmas = ClassOpPragmas Name +type RenamedClassPragmas = ClassPragmas Name +type RenamedDataPragmas = DataPragmas Name +type RenamedGenPragmas = GenPragmas Name +type RenamedInstancePragmas = InstancePragmas Name \end{code} +%************************************************************************ +%* * +\subsection{Free variables} +%* * +%************************************************************************ + \begin{code} -collectQualBinders :: [RenamedQual] -> [RnName] +extractCtxtTyNames :: RenamedContext -> NameSet +extractCtxtTyNames ctxt = foldr (unionNameSets . extractHsTyNames . snd) emptyNameSet ctxt -collectQualBinders quals - = concat (map collect quals) +extractHsTyNames :: RenamedHsType -> NameSet +extractHsTyNames ty + = get ty where - collect (GeneratorQual pat _) = collectPatBinders pat - collect (FilterQual expr) = [] - collect (LetQual binds) = collectTopLevelBinders binds + get (MonoTyApp ty1 ty2) = get ty1 `unionNameSets` get ty2 + get (MonoListTy tc ty) = unitNameSet tc `unionNameSets` get ty + get (MonoTupleTy tc tys) = foldr (unionNameSets . get) (unitNameSet tc) tys + get (MonoFunTy ty1 ty2) = get ty1 `unionNameSets` get ty2 + get (MonoDictTy cls ty) = unitNameSet cls `unionNameSets` get ty + get (MonoTyVar tv) = unitNameSet tv + get (HsForAllTy tvs ctxt ty) = foldr (unionNameSets . get . snd) (get ty) ctxt + `minusNameSet` + mkNameSet (map getTyVarName tvs) -fixDeclName :: FixityDecl name -> name -fixDeclName (InfixL name i) = name -fixDeclName (InfixR name i) = name -fixDeclName (InfixN name i) = name \end{code}