{-# LANGUAGE RecordWildCards #-}
----------------------------------------------------------------------------
-- |
-- Module : Haddock.Interface.Rename
-- Copyright : (c) Simon Marlow 2003-2006,
-- David Waern 2006-2009
-- License : BSD-like
--
-- Maintainer : haddock@projects.haskell.org
-- Stability : experimental
-- Portability : portable
-----------------------------------------------------------------------------
module Haddock.Interface.Rename (renameInterface) where
import Data.Traversable (mapM)
import Haddock.GhcUtils
import Haddock.Types
import Bag (emptyBag)
import GHC hiding (NoLink)
import Name
import Control.Applicative
import Control.Monad hiding (mapM)
import Data.List
import qualified Data.Map as Map hiding ( Map )
import Prelude hiding (mapM)
renameInterface :: DynFlags -> LinkEnv -> Bool -> Interface -> ErrMsgM Interface
renameInterface dflags renamingEnv warnings iface =
-- first create the local env, where every name exported by this module
-- is mapped to itself, and everything else comes from the global renaming
-- env
let localEnv = foldl fn renamingEnv (ifaceVisibleExports iface)
where fn env name = Map.insert name (ifaceMod iface) env
-- rename names in the exported declarations to point to things that
-- are closer to, or maybe even exported by, the current module.
(renamedExportItems, missingNames1)
= runRnFM localEnv (renameExportItems (ifaceExportItems iface))
(rnDocMap, missingNames2) = runRnFM localEnv (mapM renameDoc (ifaceDocMap iface))
(rnArgMap, missingNames3) = runRnFM localEnv (mapM (mapM renameDoc) (ifaceArgMap iface))
(renamedOrphanInstances, missingNames4)
= runRnFM localEnv (mapM renameDocInstance (ifaceOrphanInstances iface))
(finalModuleDoc, missingNames5)
= runRnFM localEnv (renameDocumentation (ifaceDoc iface))
-- combine the missing names and filter out the built-ins, which would
-- otherwise always be missing.
missingNames = nubByName id $ filter isExternalName -- XXX: isExternalName filters out too much
(missingNames1 ++ missingNames2 ++ missingNames3
++ missingNames4 ++ missingNames5)
-- filter out certain built in type constructors using their string
-- representation. TODO: use the Name constants from the GHC API.
-- strings = filter (`notElem` ["()", "[]", "(->)"])
-- (map pretty missingNames)
strings = map (pretty dflags) . filter (\n -> not (isSystemName n || isBuiltInSyntax n)) $ missingNames
in do
-- report things that we couldn't link to. Only do this for non-hidden
-- modules.
unless (OptHide `elem` ifaceOptions iface || null strings || not warnings) $
tell ["Warning: " ++ moduleString (ifaceMod iface) ++
": could not find link destinations for:\n"++
unwords (" " : strings) ]
return $ iface { ifaceRnDoc = finalModuleDoc,
ifaceRnDocMap = rnDocMap,
ifaceRnArgMap = rnArgMap,
ifaceRnExportItems = renamedExportItems,
ifaceRnOrphanInstances = renamedOrphanInstances}
--------------------------------------------------------------------------------
-- Monad for renaming
--
-- The monad does two things for us: it passes around the environment for
-- renaming, and it returns a list of names which couldn't be found in
-- the environment.
--------------------------------------------------------------------------------
newtype RnM a =
RnM { unRn :: (Name -> (Bool, DocName)) -- name lookup function
-> (a,[Name])
}
instance Monad RnM where
(>>=) = thenRn
return = pure
instance Functor RnM where
fmap f x = do a <- x; return (f a)
instance Applicative RnM where
pure = returnRn
(<*>) = ap
returnRn :: a -> RnM a
returnRn a = RnM (const (a,[]))
thenRn :: RnM a -> (a -> RnM b) -> RnM b
m `thenRn` k = RnM (\lkp -> case unRn m lkp of
(a,out1) -> case unRn (k a) lkp of
(b,out2) -> (b,out1++out2))
getLookupRn :: RnM (Name -> (Bool, DocName))
getLookupRn = RnM (\lkp -> (lkp,[]))
outRn :: Name -> RnM ()
outRn name = RnM (const ((),[name]))
lookupRn :: Name -> RnM DocName
lookupRn name = do
lkp <- getLookupRn
case lkp name of
(False,maps_to) -> do outRn name; return maps_to
(True, maps_to) -> return maps_to
runRnFM :: LinkEnv -> RnM a -> (a,[Name])
runRnFM env rn = unRn rn lkp
where
lkp n = case Map.lookup n env of
Nothing -> (False, Undocumented n)
Just mdl -> (True, Documented n mdl)
--------------------------------------------------------------------------------
-- Renaming
--------------------------------------------------------------------------------
rename :: Name -> RnM DocName
rename = lookupRn
renameL :: Located Name -> RnM (Located DocName)
renameL = mapM rename
renameExportItems :: [ExportItem Name] -> RnM [ExportItem DocName]
renameExportItems = mapM renameExportItem
renameDocForDecl :: DocForDecl Name -> RnM (DocForDecl DocName)
renameDocForDecl (doc, fnArgsDoc) =
(,) <$> renameDocumentation doc <*> renameFnArgsDoc fnArgsDoc
renameDocumentation :: Documentation Name -> RnM (Documentation DocName)
renameDocumentation (Documentation mDoc mWarning) =
Documentation <$> mapM renameDoc mDoc <*> mapM renameDoc mWarning
renameLDocHsSyn :: LHsDocString -> RnM LHsDocString
renameLDocHsSyn = return
renameDoc :: Traversable t => t Name -> RnM (t DocName)
renameDoc = traverse rename
renameFnArgsDoc :: FnArgsDoc Name -> RnM (FnArgsDoc DocName)
renameFnArgsDoc = mapM renameDoc
renameLType :: LHsType Name -> RnM (LHsType DocName)
renameLType = mapM renameType
renameLSigType :: LHsSigType Name -> RnM (LHsSigType DocName)
renameLSigType = renameImplicit renameLType
renameLSigWcType :: LHsSigWcType Name -> RnM (LHsSigWcType DocName)
renameLSigWcType = renameWc (renameImplicit renameLType)
renameLKind :: LHsKind Name -> RnM (LHsKind DocName)
renameLKind = renameLType
renameMaybeLKind :: Maybe (LHsKind Name) -> RnM (Maybe (LHsKind DocName))
renameMaybeLKind = traverse renameLKind
renameFamilyResultSig :: LFamilyResultSig Name -> RnM (LFamilyResultSig DocName)
renameFamilyResultSig (L loc NoSig)
= return (L loc NoSig)
renameFamilyResultSig (L loc (KindSig ki))
= do { ki' <- renameLKind ki
; return (L loc (KindSig ki')) }
renameFamilyResultSig (L loc (TyVarSig bndr))
= do { bndr' <- renameLTyVarBndr bndr
; return (L loc (TyVarSig bndr')) }
renameInjectivityAnn :: LInjectivityAnn Name -> RnM (LInjectivityAnn DocName)
renameInjectivityAnn (L loc (InjectivityAnn lhs rhs))
= do { lhs' <- renameL lhs
; rhs' <- mapM renameL rhs
; return (L loc (InjectivityAnn lhs' rhs')) }
renameMaybeInjectivityAnn :: Maybe (LInjectivityAnn Name)
-> RnM (Maybe (LInjectivityAnn DocName))
renameMaybeInjectivityAnn = traverse renameInjectivityAnn
renameType :: HsType Name -> RnM (HsType DocName)
renameType t = case t of
HsForAllTy { hst_bndrs = tyvars, hst_body = ltype } -> do
tyvars' <- mapM renameLTyVarBndr tyvars
ltype' <- renameLType ltype
return (HsForAllTy { hst_bndrs = tyvars', hst_body = ltype' })
HsQualTy { hst_ctxt = lcontext , hst_body = ltype } -> do
lcontext' <- renameLContext lcontext
ltype' <- renameLType ltype
return (HsQualTy { hst_ctxt = lcontext', hst_body = ltype' })
HsTyVar ip (L l n) -> return . HsTyVar ip . L l =<< rename n
HsBangTy b ltype -> return . HsBangTy b =<< renameLType ltype
HsAppTy a b -> do
a' <- renameLType a
b' <- renameLType b
return (HsAppTy a' b')
HsFunTy a b -> do
a' <- renameLType a
b' <- renameLType b
return (HsFunTy a' b')
HsListTy ty -> return . HsListTy =<< renameLType ty
HsPArrTy ty -> return . HsPArrTy =<< renameLType ty
HsIParamTy n ty -> liftM (HsIParamTy n) (renameLType ty)
HsEqTy ty1 ty2 -> liftM2 HsEqTy (renameLType ty1) (renameLType ty2)
HsTupleTy b ts -> return . HsTupleTy b =<< mapM renameLType ts
HsSumTy ts -> HsSumTy <$> mapM renameLType ts
HsOpTy a (L loc op) b -> do
op' <- rename op
a' <- renameLType a
b' <- renameLType b
return (HsOpTy a' (L loc op') b')
HsParTy ty -> return . HsParTy =<< renameLType ty
HsKindSig ty k -> do
ty' <- renameLType ty
k' <- renameLKind k
return (HsKindSig ty' k')
HsDocTy ty doc -> do
ty' <- renameLType ty
doc' <- renameLDocHsSyn doc
return (HsDocTy ty' doc')
HsTyLit x -> return (HsTyLit x)
HsRecTy a -> HsRecTy <$> mapM renameConDeclFieldField a
HsCoreTy a -> pure (HsCoreTy a)
HsExplicitListTy i a b -> HsExplicitListTy i a <$> mapM renameLType b
HsExplicitTupleTy a b -> HsExplicitTupleTy a <$> mapM renameLType b
HsSpliceTy _ _ -> error "renameType: HsSpliceTy"
HsWildCardTy a -> HsWildCardTy <$> renameWildCardInfo a
HsAppsTy _ -> error "renameType: HsAppsTy"
renameLHsQTyVars :: LHsQTyVars Name -> RnM (LHsQTyVars DocName)
renameLHsQTyVars (HsQTvs { hsq_implicit = _, hsq_explicit = tvs })
= do { tvs' <- mapM renameLTyVarBndr tvs
; return (HsQTvs { hsq_implicit = error "haddock:renameLHsQTyVars", hsq_explicit = tvs', hsq_dependent = error "haddock:renameLHsQTyVars" }) }
-- This is rather bogus, but I'm not sure what else to do
renameLTyVarBndr :: LHsTyVarBndr Name -> RnM (LHsTyVarBndr DocName)
renameLTyVarBndr (L loc (UserTyVar (L l n)))
= do { n' <- rename n
; return (L loc (UserTyVar (L l n'))) }
renameLTyVarBndr (L loc (KindedTyVar (L lv n) kind))
= do { n' <- rename n
; kind' <- renameLKind kind
; return (L loc (KindedTyVar (L lv n') kind')) }
renameLContext :: Located [LHsType Name] -> RnM (Located [LHsType DocName])
renameLContext (L loc context) = do
context' <- mapM renameLType context
return (L loc context')
renameWildCardInfo :: HsWildCardInfo Name -> RnM (HsWildCardInfo DocName)
renameWildCardInfo (AnonWildCard (L l name)) = AnonWildCard . L l <$> rename name
renameInstHead :: InstHead Name -> RnM (InstHead DocName)
renameInstHead InstHead {..} = do
cname <- rename ihdClsName
kinds <- mapM renameType ihdKinds
types <- mapM renameType ihdTypes
itype <- case ihdInstType of
ClassInst { .. } -> ClassInst
<$> mapM renameType clsiCtx
<*> renameLHsQTyVars clsiTyVars
<*> mapM renameSig clsiSigs
<*> mapM renamePseudoFamilyDecl clsiAssocTys
TypeInst ts -> TypeInst <$> traverse renameType ts
DataInst dd -> DataInst <$> renameTyClD dd
return InstHead
{ ihdClsName = cname
, ihdKinds = kinds
, ihdTypes = types
, ihdInstType = itype
}
renameLDecl :: LHsDecl Name -> RnM (LHsDecl DocName)
renameLDecl (L loc d) = return . L loc =<< renameDecl d
renamePats :: [(HsDecl Name,DocForDecl Name)] -> RnM [(HsDecl DocName,DocForDecl DocName)]
renamePats = mapM
(\(d,doc) -> do { d' <- renameDecl d
; doc' <- renameDocForDecl doc
; return (d',doc')})
renameDecl :: HsDecl Name -> RnM (HsDecl DocName)
renameDecl decl = case decl of
TyClD d -> do
d' <- renameTyClD d
return (TyClD d')
SigD s -> do
s' <- renameSig s
return (SigD s')
ForD d -> do
d' <- renameForD d
return (ForD d')
InstD d -> do
d' <- renameInstD d
return (InstD d')
DerivD d -> do
d' <- renameDerivD d
return (DerivD d')
_ -> error "renameDecl"
renameLThing :: (a Name -> RnM (a DocName)) -> Located (a Name) -> RnM (Located (a DocName))
renameLThing fn (L loc x) = return . L loc =<< fn x
renameTyClD :: TyClDecl Name -> RnM (TyClDecl DocName)
renameTyClD d = case d of
-- TyFamily flav lname ltyvars kind tckind -> do
FamDecl { tcdFam = decl } -> do
decl' <- renameFamilyDecl decl
return (FamDecl { tcdFam = decl' })
SynDecl { tcdLName = lname, tcdTyVars = tyvars, tcdFixity = fixity, tcdRhs = rhs, tcdFVs = _fvs } -> do
lname' <- renameL lname
tyvars' <- renameLHsQTyVars tyvars
rhs' <- renameLType rhs
return (SynDecl { tcdLName = lname', tcdTyVars = tyvars', tcdFixity = fixity, tcdRhs = rhs', tcdFVs = placeHolderNames })
DataDecl { tcdLName = lname, tcdTyVars = tyvars, tcdFixity = fixity, tcdDataDefn = defn, tcdFVs = _fvs } -> do
lname' <- renameL lname
tyvars' <- renameLHsQTyVars tyvars
defn' <- renameDataDefn defn
return (DataDecl { tcdLName = lname', tcdTyVars = tyvars', tcdFixity = fixity, tcdDataDefn = defn', tcdDataCusk = PlaceHolder, tcdFVs = placeHolderNames })
ClassDecl { tcdCtxt = lcontext, tcdLName = lname, tcdTyVars = ltyvars, tcdFixity = fixity
, tcdFDs = lfundeps, tcdSigs = lsigs, tcdATs = ats, tcdATDefs = at_defs } -> do
lcontext' <- renameLContext lcontext
lname' <- renameL lname
ltyvars' <- renameLHsQTyVars ltyvars
lfundeps' <- mapM renameLFunDep lfundeps
lsigs' <- mapM renameLSig lsigs
ats' <- mapM (renameLThing renameFamilyDecl) ats
at_defs' <- mapM renameLTyFamDefltEqn at_defs
-- we don't need the default methods or the already collected doc entities
return (ClassDecl { tcdCtxt = lcontext', tcdLName = lname', tcdTyVars = ltyvars'
, tcdFixity = fixity
, tcdFDs = lfundeps', tcdSigs = lsigs', tcdMeths= emptyBag
, tcdATs = ats', tcdATDefs = at_defs', tcdDocs = [], tcdFVs = placeHolderNames })
where
renameLFunDep (L loc (xs, ys)) = do
xs' <- mapM rename (map unLoc xs)
ys' <- mapM rename (map unLoc ys)
return (L loc (map noLoc xs', map noLoc ys'))
renameLSig (L loc sig) = return . L loc =<< renameSig sig
renameFamilyDecl :: FamilyDecl Name -> RnM (FamilyDecl DocName)
renameFamilyDecl (FamilyDecl { fdInfo = info, fdLName = lname
, fdTyVars = ltyvars
, fdFixity = fixity
, fdResultSig = result
, fdInjectivityAnn = injectivity }) = do
info' <- renameFamilyInfo info
lname' <- renameL lname
ltyvars' <- renameLHsQTyVars ltyvars
result' <- renameFamilyResultSig result
injectivity' <- renameMaybeInjectivityAnn injectivity
return (FamilyDecl { fdInfo = info', fdLName = lname'
, fdTyVars = ltyvars'
, fdFixity = fixity
, fdResultSig = result'
, fdInjectivityAnn = injectivity' })
renamePseudoFamilyDecl :: PseudoFamilyDecl Name
-> RnM (PseudoFamilyDecl DocName)
renamePseudoFamilyDecl (PseudoFamilyDecl { .. }) = PseudoFamilyDecl
<$> renameFamilyInfo pfdInfo
<*> renameL pfdLName
<*> mapM renameLType pfdTyVars
<*> renameFamilyResultSig pfdKindSig
renameFamilyInfo :: FamilyInfo Name -> RnM (FamilyInfo DocName)
renameFamilyInfo DataFamily = return DataFamily
renameFamilyInfo OpenTypeFamily = return OpenTypeFamily
renameFamilyInfo (ClosedTypeFamily eqns)
= do { eqns' <- mapM (mapM renameLTyFamInstEqn) eqns
; return $ ClosedTypeFamily eqns' }
renameDataDefn :: HsDataDefn Name -> RnM (HsDataDefn DocName)
renameDataDefn (HsDataDefn { dd_ND = nd, dd_ctxt = lcontext, dd_cType = cType
, dd_kindSig = k, dd_cons = cons }) = do
lcontext' <- renameLContext lcontext
k' <- renameMaybeLKind k
cons' <- mapM (mapM renameCon) cons
-- I don't think we need the derivings, so we return Nothing
return (HsDataDefn { dd_ND = nd, dd_ctxt = lcontext', dd_cType = cType
, dd_kindSig = k', dd_cons = cons'
, dd_derivs = noLoc [] })
renameCon :: ConDecl Name -> RnM (ConDecl DocName)
renameCon decl@(ConDeclH98 { con_name = lname, con_qvars = ltyvars
, con_cxt = lcontext, con_details = details
, con_doc = mbldoc }) = do
lname' <- renameL lname
ltyvars' <- traverse renameLHsQTyVars ltyvars
lcontext' <- traverse renameLContext lcontext
details' <- renameDetails details
mbldoc' <- mapM renameLDocHsSyn mbldoc
return (decl { con_name = lname', con_qvars = ltyvars', con_cxt = lcontext'
, con_details = details', con_doc = mbldoc' })
where
renameDetails (RecCon (L l fields)) = do
fields' <- mapM renameConDeclFieldField fields
return (RecCon (L l fields'))
renameDetails (PrefixCon ps) = return . PrefixCon =<< mapM renameLType ps
renameDetails (InfixCon a b) = do
a' <- renameLType a
b' <- renameLType b
return (InfixCon a' b')
renameCon decl@(ConDeclGADT { con_names = lnames
, con_type = lty
, con_doc = mbldoc }) = do
lnames' <- mapM renameL lnames
lty' <- renameLSigType lty
mbldoc' <- mapM renameLDocHsSyn mbldoc
return (decl { con_names = lnames'
, con_type = lty', con_doc = mbldoc' })
renameConDeclFieldField :: LConDeclField Name -> RnM (LConDeclField DocName)
renameConDeclFieldField (L l (ConDeclField names t doc)) = do
names' <- mapM renameLFieldOcc names
t' <- renameLType t
doc' <- mapM renameLDocHsSyn doc
return $ L l (ConDeclField names' t' doc')
renameLFieldOcc :: LFieldOcc Name -> RnM (LFieldOcc DocName)
renameLFieldOcc (L l (FieldOcc lbl sel)) = do
sel' <- rename sel
return $ L l (FieldOcc lbl sel')
renameSig :: Sig Name -> RnM (Sig DocName)
renameSig sig = case sig of
TypeSig lnames ltype -> do
lnames' <- mapM renameL lnames
ltype' <- renameLSigWcType ltype
return (TypeSig lnames' ltype')
ClassOpSig is_default lnames sig_ty -> do
lnames' <- mapM renameL lnames
ltype' <- renameLSigType sig_ty
return (ClassOpSig is_default lnames' ltype')
PatSynSig lnames sig_ty -> do
lnames' <- mapM renameL lnames
sig_ty' <- renameLSigType sig_ty
return $ PatSynSig lnames' sig_ty'
FixSig (FixitySig lnames fixity) -> do
lnames' <- mapM renameL lnames
return $ FixSig (FixitySig lnames' fixity)
MinimalSig src (L l s) -> do
s' <- traverse renameL s
return $ MinimalSig src (L l s')
-- we have filtered out all other kinds of signatures in Interface.Create
_ -> error "expected TypeSig"
renameForD :: ForeignDecl Name -> RnM (ForeignDecl DocName)
renameForD (ForeignImport lname ltype co x) = do
lname' <- renameL lname
ltype' <- renameLSigType ltype
return (ForeignImport lname' ltype' co x)
renameForD (ForeignExport lname ltype co x) = do
lname' <- renameL lname
ltype' <- renameLSigType ltype
return (ForeignExport lname' ltype' co x)
renameInstD :: InstDecl Name -> RnM (InstDecl DocName)
renameInstD (ClsInstD { cid_inst = d }) = do
d' <- renameClsInstD d
return (ClsInstD { cid_inst = d' })
renameInstD (TyFamInstD { tfid_inst = d }) = do
d' <- renameTyFamInstD d
return (TyFamInstD { tfid_inst = d' })
renameInstD (DataFamInstD { dfid_inst = d }) = do
d' <- renameDataFamInstD d
return (DataFamInstD { dfid_inst = d' })
renameDerivD :: DerivDecl Name -> RnM (DerivDecl DocName)
renameDerivD (DerivDecl { deriv_type = ty
, deriv_strategy = strat
, deriv_overlap_mode = omode }) = do
ty' <- renameLSigType ty
return (DerivDecl { deriv_type = ty'
, deriv_strategy = strat
, deriv_overlap_mode = omode })
renameClsInstD :: ClsInstDecl Name -> RnM (ClsInstDecl DocName)
renameClsInstD (ClsInstDecl { cid_overlap_mode = omode
, cid_poly_ty =ltype, cid_tyfam_insts = lATs
, cid_datafam_insts = lADTs }) = do
ltype' <- renameLSigType ltype
lATs' <- mapM (mapM renameTyFamInstD) lATs
lADTs' <- mapM (mapM renameDataFamInstD) lADTs
return (ClsInstDecl { cid_overlap_mode = omode
, cid_poly_ty = ltype', cid_binds = emptyBag
, cid_sigs = []
, cid_tyfam_insts = lATs', cid_datafam_insts = lADTs' })
renameTyFamInstD :: TyFamInstDecl Name -> RnM (TyFamInstDecl DocName)
renameTyFamInstD (TyFamInstDecl { tfid_eqn = eqn })
= do { eqn' <- renameLTyFamInstEqn eqn
; return (TyFamInstDecl { tfid_eqn = eqn'
, tfid_fvs = placeHolderNames }) }
renameLTyFamInstEqn :: LTyFamInstEqn Name -> RnM (LTyFamInstEqn DocName)
renameLTyFamInstEqn (L loc (TyFamEqn { tfe_tycon = tc, tfe_pats = pats, tfe_fixity = fixity, tfe_rhs = rhs }))
= do { tc' <- renameL tc
; pats' <- renameImplicit (mapM renameLType) pats
; rhs' <- renameLType rhs
; return (L loc (TyFamEqn { tfe_tycon = tc'
, tfe_pats = pats'
, tfe_fixity = fixity
, tfe_rhs = rhs' })) }
renameLTyFamDefltEqn :: LTyFamDefltEqn Name -> RnM (LTyFamDefltEqn DocName)
renameLTyFamDefltEqn (L loc (TyFamEqn { tfe_tycon = tc, tfe_pats = tvs, tfe_fixity = fixity, tfe_rhs = rhs }))
= do { tc' <- renameL tc
; tvs' <- renameLHsQTyVars tvs
; rhs' <- renameLType rhs
; return (L loc (TyFamEqn { tfe_tycon = tc'
, tfe_pats = tvs'
, tfe_fixity = fixity
, tfe_rhs = rhs' })) }
renameDataFamInstD :: DataFamInstDecl Name -> RnM (DataFamInstDecl DocName)
renameDataFamInstD (DataFamInstDecl { dfid_tycon = tc, dfid_pats = pats, dfid_fixity = fixity, dfid_defn = defn })
= do { tc' <- renameL tc
; pats' <- renameImplicit (mapM renameLType) pats
; defn' <- renameDataDefn defn
; return (DataFamInstDecl { dfid_tycon = tc'
, dfid_pats = pats'
, dfid_fixity = fixity
, dfid_defn = defn', dfid_fvs = placeHolderNames }) }
renameImplicit :: (in_thing -> RnM out_thing)
-> HsImplicitBndrs Name in_thing
-> RnM (HsImplicitBndrs DocName out_thing)
renameImplicit rn_thing (HsIB { hsib_body = thing })
= do { thing' <- rn_thing thing
; return (HsIB { hsib_body = thing'
, hsib_vars = PlaceHolder
, hsib_closed = PlaceHolder }) }
renameWc :: (in_thing -> RnM out_thing)
-> HsWildCardBndrs Name in_thing
-> RnM (HsWildCardBndrs DocName out_thing)
renameWc rn_thing (HsWC { hswc_body = thing })
= do { thing' <- rn_thing thing
; return (HsWC { hswc_body = thing'
, hswc_wcs = PlaceHolder }) }
renameDocInstance :: DocInstance Name -> RnM (DocInstance DocName)
renameDocInstance (inst, idoc, L l n) = do
inst' <- renameInstHead inst
n' <- rename n
idoc' <- mapM renameDoc idoc
return (inst', idoc',L l n')
renameExportItem :: ExportItem Name -> RnM (ExportItem DocName)
renameExportItem item = case item of
ExportModule mdl -> return (ExportModule mdl)
ExportGroup lev id_ doc -> do
doc' <- renameDoc doc
return (ExportGroup lev id_ doc')
ExportDecl decl pats doc subs instances fixities splice -> do
decl' <- renameLDecl decl
pats' <- renamePats pats
doc' <- renameDocForDecl doc
subs' <- mapM renameSub subs
instances' <- forM instances renameDocInstance
fixities' <- forM fixities $ \(name, fixity) -> do
name' <- lookupRn name
return (name', fixity)
return (ExportDecl decl' pats' doc' subs' instances' fixities' splice)
ExportNoDecl x subs -> do
x' <- lookupRn x
subs' <- mapM lookupRn subs
return (ExportNoDecl x' subs')
ExportDoc doc -> do
doc' <- renameDoc doc
return (ExportDoc doc')
renameSub :: (Name, DocForDecl Name) -> RnM (DocName, DocForDecl DocName)
renameSub (n,doc) = do
n' <- rename n
doc' <- renameDocForDecl doc
return (n', doc')