#include "HsVersions.h"
import HsSyn
-import HsCore
-import Class ( FunDep, DefMeth(..) )
-import TysWiredIn ( tupleTyCon, listTyCon, charTyCon )
+import Class ( FunDep )
+import TysWiredIn ( tupleTyCon, listTyCon, parrTyCon, charTyCon )
import Name ( Name, getName, isTyVarName )
import NameSet
import BasicTypes ( Boxity )
-import Maybes ( orElse )
import Outputable
\end{code}
\begin{code}
-type RenamedArithSeqInfo = ArithSeqInfo Name RenamedPat
+type RenamedHsDecl = HsDecl Name
+type RenamedArithSeqInfo = ArithSeqInfo Name
type RenamedClassOpSig = Sig Name
type RenamedConDecl = ConDecl Name
type RenamedContext = HsContext Name
-type RenamedHsDecl = HsDecl Name RenamedPat
-type RenamedRuleDecl = RuleDecl Name RenamedPat
-type RenamedTyClDecl = TyClDecl Name RenamedPat
+type RenamedRuleDecl = RuleDecl Name
+type RenamedTyClDecl = TyClDecl Name
type RenamedDefaultDecl = DefaultDecl Name
type RenamedForeignDecl = ForeignDecl Name
-type RenamedGRHS = GRHS Name RenamedPat
-type RenamedGRHSs = GRHSs Name RenamedPat
-type RenamedHsBinds = HsBinds Name RenamedPat
-type RenamedHsExpr = HsExpr Name RenamedPat
-type RenamedHsModule = HsModule Name RenamedPat
-type RenamedInstDecl = InstDecl Name RenamedPat
-type RenamedMatch = Match Name RenamedPat
-type RenamedMonoBinds = MonoBinds Name RenamedPat
+type RenamedGRHS = GRHS Name
+type RenamedGRHSs = GRHSs Name
+type RenamedHsBinds = HsBinds Name
+type RenamedHsExpr = HsExpr Name
+type RenamedInstDecl = InstDecl Name
+type RenamedMatchContext = HsMatchContext Name
+type RenamedMatch = Match Name
+type RenamedMonoBinds = MonoBinds Name
type RenamedPat = InPat Name
type RenamedHsType = HsType Name
type RenamedHsPred = HsPred Name
-type RenamedRecordBinds = HsRecordBinds Name RenamedPat
+type RenamedRecordBinds = HsRecordBinds Name
type RenamedSig = Sig Name
-type RenamedStmt = Stmt Name RenamedPat
+type RenamedStmt = Stmt Name
type RenamedFixitySig = FixitySig Name
type RenamedDeprecation = DeprecDecl Name
+type RenamedHsCmd = HsCmd Name
+type RenamedHsCmdTop = HsCmdTop Name
\end{code}
%************************************************************************
These free-variable finders returns tycons and classes too.
\begin{code}
-charTyCon_name, listTyCon_name :: Name
+charTyCon_name, listTyCon_name, parrTyCon_name :: Name
charTyCon_name = getName charTyCon
listTyCon_name = getName listTyCon
+parrTyCon_name = getName parrTyCon
tupleTyCon_name :: Boxity -> Int -> Name
tupleTyCon_name boxity n = getName (tupleTyCon boxity n)
where
get (HsAppTy ty1 ty2) = get ty1 `unionNameSets` get ty2
get (HsListTy ty) = unitNameSet listTyCon_name `unionNameSets` get ty
- get (HsTupleTy con tys) = hsTupConFVs con `unionNameSets` extractHsTyNames_s tys
+ get (HsPArrTy ty) = unitNameSet parrTyCon_name `unionNameSets` get ty
+ get (HsTupleTy con tys) = extractHsTyNames_s tys
get (HsFunTy ty1 ty2) = get ty1 `unionNameSets` get ty2
get (HsPredTy p) = extractHsPredTyNames p
- get (HsOpTy ty1 tycon ty2) = get ty1 `unionNameSets` get ty2 `unionNameSets`
- unitNameSet tycon
+ get (HsOpTy ty1 op ty2) = get ty1 `unionNameSets` get ty2 `unionNameSets` unitNameSet op
+ get (HsParTy ty) = get ty
get (HsNumTy n) = emptyNameSet
get (HsTyVar tv) = unitNameSet tv
- get (HsForAllTy (Just tvs)
+ get (HsKindSig ty k) = get ty
+ get (HsForAllTy _ tvs
ctxt ty) = (extractHsCtxtTyNames ctxt `unionNameSets` get ty)
`minusNameSet`
mkNameSet (hsTyVarNames tvs)
- get ty@(HsForAllTy Nothing _ _) = pprPanic "extractHsTyNames" (ppr ty)
extractHsTyNames_s :: [RenamedHsType] -> NameSet
extractHsTyNames_s tys = foldr (unionNameSets . extractHsTyNames) emptyNameSet tys
- for class decls we ignore the bindings
- for instance decls likewise, plus the pragmas
- for rule decls, we ignore HsRules
+ - for data decls, we ignore derivings
*** See "THE NAMING STORY" in HsDecls ****
\begin{code}
-tyClDeclFVs :: RenamedTyClDecl -> NameSet
-tyClDeclFVs (IfaceSig {tcdType = ty, tcdIdInfo = id_infos})
- = extractHsTyNames ty `plusFV`
- plusFVs (map hsIdInfoFVs id_infos)
-
-tyClDeclFVs (TyData {tcdCtxt = context, tcdTyVars = tyvars, tcdCons = condecls, tcdDerivs = derivings})
- = delFVs (map hsTyVarName tyvars) $
- extractHsCtxtTyNames context `plusFV`
- plusFVs (map conDeclFVs condecls) `plusFV`
- mkNameSet (derivings `orElse` [])
-
-tyClDeclFVs (TySynonym {tcdTyVars = tyvars, tcdSynRhs = ty})
- = delFVs (map hsTyVarName tyvars) (extractHsTyNames ty)
-
-tyClDeclFVs (ClassDecl {tcdCtxt = context, tcdTyVars = tyvars, tcdFDs = fds,
- tcdSigs = sigs, tcdMeths = maybe_meths})
- = delFVs (map hsTyVarName tyvars) $
- extractHsCtxtTyNames context `plusFV`
- plusFVs (map extractFunDepNames fds) `plusFV`
- hsSigsFVs sigs `plusFV`
- dm_fvs
- where
- dm_fvs = case maybe_meths of
- Nothing -> mkFVs [v | ClassOpSig _ (DefMeth v) _ _ <- sigs]
- -- No method bindings, so this class decl comes from an interface file,
- -- So we want to treat the default-method names as free (they should
- -- be defined somewhere else). [In source code this is not so; the class
- -- decl will bind whatever default-methods are necessary.]
- Just _ -> emptyFVs -- Source code, so the default methods
- -- are *bound* not *free*
-
----------------
hsSigsFVs sigs = plusFVs (map hsSigFVs sigs)
hsSigFVs (Sig v ty _) = extractHsTyNames ty
hsSigFVs (SpecInstSig ty _) = extractHsTyNames ty
hsSigFVs (SpecSig v ty _) = extractHsTyNames ty
-hsSigFVs (ClassOpSig _ _ ty _) = extractHsTyNames ty
hsSigFVs other = emptyFVs
----------------
-instDeclFVs (InstDecl inst_ty _ _ maybe_dfun _)
- = extractHsTyNames inst_ty `plusFV`
- (case maybe_dfun of { Just n -> unitFV n; Nothing -> emptyFVs })
-
-----------------
-ruleDeclFVs (HsRule _ _ _ _ _ _) = emptyFVs
-ruleDeclFVs (IfaceRule _ vars _ args rhs _)
- = delFVs (map ufBinderName vars) $
- ufExprFVs rhs `plusFV` plusFVs (map ufExprFVs args)
-
-----------------
-conDeclFVs (ConDecl _ _ tyvars context details _)
+conDeclFVs (ConDecl _ tyvars context details _)
= delFVs (map hsTyVarName tyvars) $
extractHsCtxtTyNames context `plusFV`
conDetailsFVs details
-conDetailsFVs (VanillaCon btys) = plusFVs (map bangTyFVs btys)
+conDetailsFVs (PrefixCon btys) = plusFVs (map bangTyFVs btys)
conDetailsFVs (InfixCon bty1 bty2) = bangTyFVs bty1 `plusFV` bangTyFVs bty2
conDetailsFVs (RecCon flds) = plusFVs [bangTyFVs bty | (_, bty) <- flds]
bangTyFVs bty = extractHsTyNames (getBangType bty)
-
-----------------
-hsIdInfoFVs (HsUnfold _ unf) = ufExprFVs unf
-hsIdInfoFVs (HsWorker n a) = unitFV n
-hsIdInfoFVs other = emptyFVs
-
-----------------
-ufExprFVs (UfVar n) = unitFV n
-ufExprFVs (UfLit l) = emptyFVs
-ufExprFVs (UfLitLit l ty) = extractHsTyNames ty
-ufExprFVs (UfCCall cc ty) = extractHsTyNames ty
-ufExprFVs (UfType ty) = extractHsTyNames ty
-ufExprFVs (UfTuple tc es) = hsTupConFVs tc `plusFV` plusFVs (map ufExprFVs es)
-ufExprFVs (UfLam v e) = ufBndrFVs v (ufExprFVs e)
-ufExprFVs (UfApp e1 e2) = ufExprFVs e1 `plusFV` ufExprFVs e2
-ufExprFVs (UfCase e n as) = ufExprFVs e `plusFV` delFV n (plusFVs (map ufAltFVs as))
-ufExprFVs (UfNote n e) = ufNoteFVs n `plusFV` ufExprFVs e
-ufExprFVs (UfLet (UfNonRec b r) e) = ufExprFVs r `plusFV` ufBndrFVs b (ufExprFVs e)
-ufExprFVs (UfLet (UfRec prs) e) = foldr ufBndrFVs
- (foldr (plusFV . ufExprFVs . snd) (ufExprFVs e) prs)
- (map fst prs)
-
-ufBndrFVs (UfValBinder n ty) fvs = extractHsTyNames ty `plusFV` delFV n fvs
-ufBndrFVs (UfTyBinder n k) fvs = delFV n fvs
-
-ufAltFVs (con, vs, e) = ufConFVs con `plusFV` delFVs vs (ufExprFVs e)
-
-ufConFVs (UfDataAlt n) = unitFV n
-ufConFVs (UfTupleAlt t) = hsTupConFVs t
-ufConFVs (UfLitLitAlt _ ty) = extractHsTyNames ty
-ufConFVs other = emptyFVs
-
-ufNoteFVs (UfCoerce ty) = extractHsTyNames ty
-ufNoteFVs note = emptyFVs
-
-hsTupConFVs (HsTupCon n _ _) = unitFV n
\end{code}
+
%************************************************************************
%* *
\subsection{A few functions on generic defintions
-- Tells whether a Match is for a generic definition
-- and extract the type from a generic match and put it at the front
-maybeGenericMatch (Match tvs (TypePatIn ty : pats) sig_ty grhss)
- = Just (ty, Match tvs pats sig_ty grhss)
+maybeGenericMatch (Match (TypePat ty : pats) sig_ty grhss)
+ = Just (ty, Match pats sig_ty grhss)
maybeGenericMatch other_match = Nothing
\end{code}
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