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-rw-r--r--src/Haddock/Interface/AttachInstances.hs57
-rw-r--r--src/Haddock/Interface/Create.hs122
-rw-r--r--src/Haddock/Interface/Rename.hs9
3 files changed, 89 insertions, 99 deletions
diff --git a/src/Haddock/Interface/AttachInstances.hs b/src/Haddock/Interface/AttachInstances.hs
index 03d463cb..a56759a5 100644
--- a/src/Haddock/Interface/AttachInstances.hs
+++ b/src/Haddock/Interface/AttachInstances.hs
@@ -23,6 +23,7 @@ import qualified Data.Map as Map
import qualified Data.Set as Set
import Class
+import FamInstEnv
import FastString
import GHC
import GhcMonad (withSession)
@@ -64,16 +65,17 @@ attachToExportItem expInfo iface ifaceMap instIfaceMap export =
export {
expItemInstances =
case mb_info of
- Just (_, _, cls_instances, _fam_instances) ->
-{-
- let insts = map (first synifyInstHead) $ sortImage (first instHead)
- [ (instanceSig i, getName i) | i <- instances ]
--}
- let insts = map (first synifyInstHead) $ sortImage (first instHead) $
- filter (\((_,_,cls,tys),_) -> not $ isInstanceHidden expInfo cls tys)
- [ (instanceHead' i, getName i) | i <- cls_instances ]
- in [ (inst, lookupInstDoc name iface ifaceMap instIfaceMap)
- | (inst, name) <- insts ]
+ Just (_, _, cls_instances, fam_instances) ->
+ let fam_insts = [ (synifyFamInst i, n)
+ | i <- sortImage instFam fam_instances
+ , let n = lookupInstDoc (getName i) iface ifaceMap instIfaceMap
+ ]
+ cls_insts = [ (synifyInstHead i, lookupInstDoc n iface ifaceMap instIfaceMap)
+ | let is = [ (instanceHead' i, getName i) | i <- cls_instances ]
+ , (i@(_,_,cls,tys), n) <- sortImage (first instHead) is
+ , not $ isInstanceHidden expInfo cls tys
+ ]
+ in cls_insts ++ fam_insts
Nothing -> []
}
return export'
@@ -139,22 +141,27 @@ data SimpleType = SimpleType Name [SimpleType]
instHead :: ([TyVar], [PredType], Class, [Type]) -> ([Int], Name, [SimpleType])
instHead (_, _, cls, args)
= (map argCount args, className cls, map simplify args)
- where
- argCount (AppTy t _) = argCount t + 1
- argCount (TyConApp _ ts) = length ts
- argCount (FunTy _ _ ) = 2
- argCount (ForAllTy _ t) = argCount t
- argCount _ = 0
-
- simplify (ForAllTy _ t) = simplify t
- simplify (FunTy t1 t2) =
- SimpleType funTyConName [simplify t1, simplify t2]
- simplify (AppTy t1 t2) = SimpleType s (ts ++ [simplify t2])
- where (SimpleType s ts) = simplify t1
- simplify (TyVarTy v) = SimpleType (tyVarName v) []
- simplify (TyConApp tc ts) = SimpleType (tyConName tc) (map simplify ts)
- simplify (LitTy l) = SimpleTyLit l
+argCount :: Type -> Int
+argCount (AppTy t _) = argCount t + 1
+argCount (TyConApp _ ts) = length ts
+argCount (FunTy _ _ ) = 2
+argCount (ForAllTy _ t) = argCount t
+argCount _ = 0
+
+simplify :: Type -> SimpleType
+simplify (ForAllTy _ t) = simplify t
+simplify (FunTy t1 t2) = SimpleType funTyConName [simplify t1, simplify t2]
+simplify (AppTy t1 t2) = SimpleType s (ts ++ [simplify t2])
+ where (SimpleType s ts) = simplify t1
+simplify (TyVarTy v) = SimpleType (tyVarName v) []
+simplify (TyConApp tc ts) = SimpleType (tyConName tc) (map simplify ts)
+simplify (LitTy l) = SimpleTyLit l
+
+-- Used for sorting
+instFam :: FamInst -> ([Int], Name, [SimpleType], Int, SimpleType)
+instFam FamInst { fi_fam = n, fi_tys = ts, fi_rhs = t }
+ = (map argCount ts, n, map simplify ts, argCount t, simplify t)
-- sortImage f = sortBy (\x y -> compare (f x) (f y))
sortImage :: Ord b => (a -> b) -> [a] -> [a]
diff --git a/src/Haddock/Interface/Create.hs b/src/Haddock/Interface/Create.hs
index 6e85ad16..cf5a3451 100644
--- a/src/Haddock/Interface/Create.hs
+++ b/src/Haddock/Interface/Create.hs
@@ -58,9 +58,10 @@ createInterface tm flags modMap instIfaceMap = do
mdl = ms_mod ms
dflags = ms_hspp_opts ms
!instances = modInfoInstances mi
+ !fam_instances = md_fam_insts md
!exportedNames = modInfoExports mi
- (TcGblEnv {tcg_rdr_env = gre, tcg_warns = warnings}, _) = tm_internals_ tm
+ (TcGblEnv {tcg_rdr_env = gre, tcg_warns = warnings}, md) = tm_internals_ tm
-- The renamed source should always be available to us, but it's best
-- to be on the safe side.
@@ -80,9 +81,10 @@ createInterface tm flags modMap instIfaceMap = do
let declsWithDocs = topDecls group_
(decls, _) = unzip declsWithDocs
- localInsts = filter (nameIsLocalOrFrom mdl . getName) instances
+ localInsts = filter (nameIsLocalOrFrom mdl) $ map getName instances
+ ++ map getName fam_instances
- maps@(!docMap, !argMap, !subMap, !declMap) <-
+ maps@(!docMap, !argMap, !subMap, !declMap, _) <-
liftErrMsg $ mkMaps dflags gre localInsts declsWithDocs
let exports0 = fmap (reverse . map unLoc) mayExports
@@ -90,16 +92,14 @@ createInterface tm flags modMap instIfaceMap = do
| OptIgnoreExports `elem` opts = Nothing
| otherwise = exports0
- liftErrMsg $ warnAboutFilteredDecls dflags mdl decls
-
warningMap <- liftErrMsg $ mkWarningMap dflags warnings gre exportedNames
let allWarnings = M.unions (warningMap : map ifaceWarningMap (M.elems modMap))
exportItems <- mkExportItems modMap mdl allWarnings gre exportedNames decls maps exports
- instances instIfaceMap dflags
+ instIfaceMap dflags
- let !visibleNames = mkVisibleNames exportItems opts
+ let !visibleNames = mkVisibleNames maps exportItems opts
-- Measure haddock documentation coverage.
let prunedExportItems0 = pruneExportItems exportItems
@@ -138,6 +138,7 @@ createInterface tm flags modMap instIfaceMap = do
, ifaceSubMap = subMap
, ifaceModuleAliases = aliases
, ifaceInstances = instances
+ , ifaceFamInstances = fam_instances
, ifaceHaddockCoverage = coverage
, ifaceWarningMap = warningMap
}
@@ -242,33 +243,33 @@ parseOption other = tell ["Unrecognised option: " ++ other] >> return Nothing
--------------------------------------------------------------------------------
-type Maps = (DocMap Name, ArgMap Name, SubMap, DeclMap)
+type Maps = (DocMap Name, ArgMap Name, SubMap, DeclMap, InstMap)
-- | Create 'Maps' by looping through the declarations. For each declaration,
-- find its names, its subordinates, and its doc strings. Process doc strings
-- into 'Doc's.
mkMaps :: DynFlags
-> GlobalRdrEnv
- -> [ClsInst]
+ -> [Name]
-> [(LHsDecl Name, [HsDocString])]
-> ErrMsgM Maps
mkMaps dflags gre instances decls = do
(a, b, c, d) <- unzip4 <$> mapM mappings decls
- return (f a, f b, f c, f d)
+ return (f a, f b, f c, f d, instanceMap)
where
f :: (Ord a, Monoid b) => [[(a, b)]] -> Map a b
f = M.fromListWith (<>) . concat
mappings (ldecl, docStrs) = do
- let decl = unLoc ldecl
+ let L l decl = ldecl
let declDoc strs m = do
doc <- processDocStrings dflags gre strs
m' <- M.mapMaybe id <$> T.mapM (processDocStringParas dflags gre) m
return (doc, m')
(doc, args) <- declDoc docStrs (typeDocs decl)
- let subs = subordinates decl
+ let subs = subordinates instanceMap decl
(subDocs, subArgs) <- unzip <$> mapM (\(_, strs, m) -> declDoc strs m) subs
- let ns = names decl
+ let ns = names l decl
subNs = [ n | (n, _, _) <- subs ]
dm = [ (n, d) | (n, Just d) <- zip ns (repeat doc) ++ zip subNs subDocs ]
am = [ (n, args) | n <- ns ] ++ zip subNs subArgs
@@ -282,11 +283,14 @@ mkMaps dflags gre instances decls = do
return (dm, am, sm, cm)
instanceMap :: Map SrcSpan Name
- instanceMap = M.fromList [ (getSrcSpan n, n) | i <- instances, let n = getName i ]
+ instanceMap = M.fromList [ (getSrcSpan n, n) | n <- instances ]
- names :: HsDecl Name -> [Name]
- names (InstD (ClsInstD (ClsInstDecl { cid_poly_ty = L l _ }))) = maybeToList (M.lookup l instanceMap) -- See note [2].
- names decl = getMainDeclBinder decl
+ names :: SrcSpan -> HsDecl Name -> [Name]
+ names l (InstD d) = maybeToList (M.lookup loc instanceMap) -- See note [2].
+ where loc = case d of
+ TyFamInstD _ -> l -- The CoAx's loc is the whole line, but only for TFs
+ _ -> getInstLoc d
+ names _ decl = getMainDeclBinder decl
-- Note [2]:
------------
@@ -303,24 +307,29 @@ mkMaps dflags gre instances decls = do
-- | Get all subordinate declarations inside a declaration, and their docs.
-subordinates :: HsDecl Name -> [(Name, [HsDocString], Map Int HsDocString)]
-subordinates (TyClD decl)
- | isClassDecl decl = classSubs
- | isDataDecl decl = dataSubs
+subordinates :: InstMap -> HsDecl Name -> [(Name, [HsDocString], Map Int HsDocString)]
+subordinates instMap decl = case decl of
+ InstD (ClsInstD d) -> do
+ DataFamInstDecl { dfid_tycon = L l _
+ , dfid_defn = def } <- unLoc <$> cid_datafam_insts d
+ [ (n, [], M.empty) | Just n <- [M.lookup l instMap] ] ++ dataSubs def
+
+ InstD (DataFamInstD d) -> dataSubs (dfid_defn d)
+ TyClD d | isClassDecl d -> classSubs d
+ | isDataDecl d -> dataSubs (tcdDataDefn d)
+ _ -> []
where
- classSubs = [ (name, doc, typeDocs d) | (L _ d, doc) <- classDecls decl
- , name <- getMainDeclBinder d, not (isValD d)
- ]
- dataSubs = constrs ++ fields
+ classSubs dd = [ (name, doc, typeDocs d) | (L _ d, doc) <- classDecls dd
+ , name <- getMainDeclBinder d, not (isValD d)
+ ]
+ dataSubs dd = constrs ++ fields
where
- cons = map unL $ (dd_cons (tcdDataDefn decl))
+ cons = map unL $ (dd_cons dd)
constrs = [ (unL $ con_name c, maybeToList $ fmap unL $ con_doc c, M.empty)
| c <- cons ]
fields = [ (unL n, maybeToList $ fmap unL doc, M.empty)
| RecCon flds <- map con_details cons
, ConDeclField n _ doc <- flds ]
-subordinates _ = []
-
-- | Extract function argument docs from inside types.
typeDocs :: HsDecl Name -> Map Int HsDocString
@@ -390,38 +399,6 @@ sortByLoc :: [Located a] -> [Located a]
sortByLoc = sortBy (comparing getLoc)
-warnAboutFilteredDecls :: DynFlags -> Module -> [LHsDecl Name] -> ErrMsgM ()
-warnAboutFilteredDecls dflags mdl decls = do
- let modStr = moduleString mdl
- let typeInstances =
- nub (concat [[ unLoc (tfie_tycon (unLoc eqn))
- | L _ (InstD (TyFamInstD (TyFamInstDecl { tfid_eqn = eqn }))) <- decls ],
- [ unLoc (dfid_tycon d)
- | L _ (InstD (DataFamInstD { dfid_inst = d })) <- decls ],
- [ unLoc tc
- | L _ (TyClD (FamDecl (FamilyDecl { fdInfo = ClosedTypeFamily _
- , fdLName = tc }))) <- decls ]])
-
- unless (null typeInstances) $
- tell [
- "Warning: " ++ modStr ++ ": Instances of type and data "
- ++ "families and equations of closed type families are not yet supported."
- ++ "Instances of the following families "
- ++ "will be filtered out:\n " ++ (intercalate ", "
- $ map (occNameString . nameOccName) typeInstances) ]
-
- let instances = nub [ pretty dflags i | L _ (InstD (ClsInstD (ClsInstDecl
- { cid_poly_ty = i
- , cid_tyfam_insts = ats
- , cid_datafam_insts = adts }))) <- decls
- , not (null ats) || not (null adts) ]
-
- unless (null instances) $
- tell [
- "Warning: " ++ modStr ++ ": We do not support associated types in instances yet. "
- ++ "These instances are affected:\n" ++ intercalate ", " instances ]
-
-
--------------------------------------------------------------------------------
-- Filtering of declarations
--
@@ -493,20 +470,16 @@ mkExportItems
-> [LHsDecl Name]
-> Maps
-> Maybe [IE Name]
- -> [ClsInst]
-> InstIfaceMap
-> DynFlags
-> ErrMsgGhc [ExportItem Name]
mkExportItems
- modMap thisMod warnings gre exportedNames decls0
- (maps@(docMap, argMap, subMap, declMap)) optExports _ instIfaceMap dflags =
+ modMap thisMod warnings gre exportedNames decls
+ (maps@(docMap, argMap, subMap, declMap, instMap)) optExports instIfaceMap dflags =
case optExports of
Nothing -> fullModuleContents dflags warnings gre maps decls
Just exports -> liftM concat $ mapM lookupExport exports
where
- decls = filter (not . isInstD . unLoc) decls0
-
-
lookupExport (IEVar x) = declWith x
lookupExport (IEThingAbs t) = declWith t
lookupExport (IEThingAll t) = declWith t
@@ -585,7 +558,7 @@ mkExportItems
Nothing -> do
liftErrMsg $ tell
["Warning: Couldn't find .haddock for export " ++ pretty dflags t]
- let subs_ = [ (n, noDocForDecl) | (n, _, _) <- subordinates (unLoc decl) ]
+ let subs_ = [ (n, noDocForDecl) | (n, _, _) <- subordinates instMap (unLoc decl) ]
return [ mkExportDecl t decl (noDocForDecl, subs_) ]
Just iface ->
return [ mkExportDecl t decl (lookupDocs t warnings (instDocMap iface) (instArgMap iface) (instSubMap iface)) ]
@@ -710,7 +683,7 @@ moduleExports thisMod expMod dflags warnings gre _exports decls ifaceMap instIfa
fullModuleContents :: DynFlags -> WarningMap -> GlobalRdrEnv -> Maps -> [LHsDecl Name] -> ErrMsgGhc [ExportItem Name]
-fullModuleContents dflags warnings gre (docMap, argMap, subMap, declMap) decls =
+fullModuleContents dflags warnings gre (docMap, argMap, subMap, declMap, instMap) decls =
liftM catMaybes $ mapM mkExportItem (expandSig decls)
where
-- A type signature can have multiple names, like:
@@ -739,6 +712,10 @@ fullModuleContents dflags warnings gre (docMap, argMap, subMap, declMap) decls =
let (doc, _) = lookupDocs name warnings docMap argMap subMap in
fmap Just (hiValExportItem dflags name doc)
| otherwise = return Nothing
+ mkExportItem decl@(L _ (InstD d))
+ | Just name <- M.lookup (getInstLoc d) instMap =
+ let (doc, subs) = lookupDocs name warnings docMap argMap subMap in
+ return $ Just (ExportDecl decl doc subs [])
mkExportItem decl
| name:_ <- getMainDeclBinder (unLoc decl) =
let (doc, subs) = lookupDocs name warnings docMap argMap subMap in
@@ -809,14 +786,17 @@ pruneExportItems = filter hasDoc
hasDoc _ = True
-mkVisibleNames :: [ExportItem Name] -> [DocOption] -> [Name]
-mkVisibleNames exports opts
+mkVisibleNames :: Maps -> [ExportItem Name] -> [DocOption] -> [Name]
+mkVisibleNames (_, _, _, _, instMap) exports opts
| OptHide `elem` opts = []
| otherwise = let ns = concatMap exportName exports
in seqList ns `seq` ns
where
- exportName e@ExportDecl {} = getMainDeclBinder (unL $ expItemDecl e) ++ subs
+ exportName e@ExportDecl {} = name ++ subs
where subs = map fst (expItemSubDocs e)
+ name = case unLoc $ expItemDecl e of
+ InstD d -> maybeToList $ M.lookup (getInstLoc d) instMap
+ decl -> getMainDeclBinder decl
exportName ExportNoDecl {} = [] -- we don't count these as visible, since
-- we don't want links to go to them.
exportName _ = []
diff --git a/src/Haddock/Interface/Rename.hs b/src/Haddock/Interface/Rename.hs
index b4a7e19a..de23e9b5 100644
--- a/src/Haddock/Interface/Rename.hs
+++ b/src/Haddock/Interface/Rename.hs
@@ -258,11 +258,14 @@ renameLContext (L loc context) = do
renameInstHead :: InstHead Name -> RnM (InstHead DocName)
-renameInstHead (preds, className, types) = do
- preds' <- mapM renameType preds
+renameInstHead (className, types, rest) = do
className' <- rename className
types' <- mapM renameType types
- return (preds', className', types')
+ rest' <- case rest of
+ ClassInst cs -> ClassInst <$> mapM renameType cs
+ TypeInst ts -> TypeInst <$> renameType ts
+ DataInst dd -> DataInst <$> renameTyClD dd
+ return (className', types', rest')
renameLDecl :: LHsDecl Name -> RnM (LHsDecl DocName)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 12:17:05 +0000