diff options
Diffstat (limited to 'haddock-api/src/Haddock/Backends')
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Hoogle.hs | 126 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Hyperlinker.hs | 6 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs | 18 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Hyperlinker/Utils.hs | 2 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/LaTeX.hs | 122 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Xhtml/Decl.hs | 149 | ||||
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Xhtml/Utils.hs | 9 |
7 files changed, 260 insertions, 172 deletions
diff --git a/haddock-api/src/Haddock/Backends/Hoogle.hs b/haddock-api/src/Haddock/Backends/Hoogle.hs index c114e84d..3bf12477 100644 --- a/haddock-api/src/Haddock/Backends/Hoogle.hs +++ b/haddock-api/src/Haddock/Backends/Hoogle.hs @@ -18,8 +18,9 @@ module Haddock.Backends.Hoogle ( ppHoogle ) where -import GHC.Types.Basic ( OverlapFlag(..), OverlapMode(..), SourceText(..) - , PromotionFlag(..), TopLevelFlag(..) ) +import GHC.Types.Basic ( OverlapFlag(..), OverlapMode(..), + PromotionFlag(..), TopLevelFlag(..) ) +import GHC.Types.SourceText import GHC.Core.InstEnv (ClsInst(..)) import Documentation.Haddock.Markup import Haddock.GhcUtils @@ -27,8 +28,11 @@ import Haddock.Types hiding (Version) import Haddock.Utils hiding (out) import GHC +import GHC.Driver.Ppr import GHC.Utils.Outputable as Outputable +import GHC.Utils.Panic import GHC.Parser.Annotation (IsUnicodeSyntax(..)) +import GHC.Unit.State import Data.Char import Data.List @@ -37,15 +41,14 @@ import Data.Version import System.Directory import System.FilePath - prefix :: [String] prefix = ["-- Hoogle documentation, generated by Haddock" ,"-- See Hoogle, http://www.haskell.org/hoogle/" ,""] -ppHoogle :: DynFlags -> String -> Version -> String -> Maybe (Doc RdrName) -> [Interface] -> FilePath -> IO () -ppHoogle dflags package version synopsis prologue ifaces odir = do +ppHoogle :: DynFlags -> UnitState -> String -> Version -> String -> Maybe (Doc RdrName) -> [Interface] -> FilePath -> IO () +ppHoogle dflags unit_state package version synopsis prologue ifaces odir = do let -- Since Hoogle is line based, we want to avoid breaking long lines. dflags' = dflags{ pprCols = maxBound } filename = package ++ ".txt" @@ -54,42 +57,46 @@ ppHoogle dflags package version synopsis prologue ifaces odir = do ["@package " ++ package] ++ ["@version " ++ showVersion version | not (null (versionBranch version)) ] ++ - concat [ppModule dflags' i | i <- ifaces, OptHide `notElem` ifaceOptions i] + concat [ppModule dflags' unit_state i | i <- ifaces, OptHide `notElem` ifaceOptions i] createDirectoryIfMissing True odir writeUtf8File (odir </> filename) (unlines contents) -ppModule :: DynFlags -> Interface -> [String] -ppModule dflags iface = +ppModule :: DynFlags -> UnitState -> Interface -> [String] +ppModule dflags unit_state iface = "" : ppDocumentation dflags (ifaceDoc iface) ++ ["module " ++ moduleString (ifaceMod iface)] ++ concatMap (ppExport dflags) (ifaceExportItems iface) ++ - concatMap (ppInstance dflags) (ifaceInstances iface) + concatMap (ppInstance dflags unit_state) (ifaceInstances iface) --------------------------------------------------------------------- -- Utility functions -dropHsDocTy :: HsType a -> HsType a -dropHsDocTy = f +dropHsDocTy :: HsSigType (GhcPass p) -> HsSigType (GhcPass p) +dropHsDocTy = drop_sig_ty where - g (L src x) = L src (f x) - f (HsForAllTy x a e) = HsForAllTy x a (g e) - f (HsQualTy x a e) = HsQualTy x a (g e) - f (HsBangTy x a b) = HsBangTy x a (g b) - f (HsAppTy x a b) = HsAppTy x (g a) (g b) - f (HsAppKindTy x a b) = HsAppKindTy x (g a) (g b) - f (HsFunTy x w a b) = HsFunTy x w (g a) (g b) - f (HsListTy x a) = HsListTy x (g a) - f (HsTupleTy x a b) = HsTupleTy x a (map g b) - f (HsOpTy x a b c) = HsOpTy x (g a) b (g c) - f (HsParTy x a) = HsParTy x (g a) - f (HsKindSig x a b) = HsKindSig x (g a) b - f (HsDocTy _ a _) = f $ unLoc a - f x = x - -outHsType :: (OutputableBndrId p) - => DynFlags -> HsType (GhcPass p) -> String -outHsType dflags = out dflags . reparenType . dropHsDocTy + drop_sig_ty (HsSig x a b) = HsSig x a (drop_lty b) + drop_sig_ty x@XHsSigType{} = x + + drop_lty (L src x) = L src (drop_ty x) + + drop_ty (HsForAllTy x a e) = HsForAllTy x a (drop_lty e) + drop_ty (HsQualTy x a e) = HsQualTy x a (drop_lty e) + drop_ty (HsBangTy x a b) = HsBangTy x a (drop_lty b) + drop_ty (HsAppTy x a b) = HsAppTy x (drop_lty a) (drop_lty b) + drop_ty (HsAppKindTy x a b) = HsAppKindTy x (drop_lty a) (drop_lty b) + drop_ty (HsFunTy x w a b) = HsFunTy x w (drop_lty a) (drop_lty b) + drop_ty (HsListTy x a) = HsListTy x (drop_lty a) + drop_ty (HsTupleTy x a b) = HsTupleTy x a (map drop_lty b) + drop_ty (HsOpTy x a b c) = HsOpTy x (drop_lty a) b (drop_lty c) + drop_ty (HsParTy x a) = HsParTy x (drop_lty a) + drop_ty (HsKindSig x a b) = HsKindSig x (drop_lty a) b + drop_ty (HsDocTy _ a _) = drop_ty $ unL a + drop_ty x = x + +outHsSigType :: (OutputableBndrId p, NoGhcTcPass p ~ p) + => DynFlags -> HsSigType (GhcPass p) -> String +outHsSigType dflags = out dflags . reparenSigType . dropHsDocTy dropComment :: String -> String @@ -106,14 +113,14 @@ outWith p = f . unwords . map (dropWhile isSpace) . lines . p . ppr f [] = [] out :: Outputable a => DynFlags -> a -> String -out dflags = outWith $ showSDocUnqual dflags +out dflags = outWith $ showSDoc dflags operator :: String -> String operator (x:xs) | not (isAlphaNum x) && x `notElem` "_' ([{" = '(' : x:xs ++ ")" operator x = x commaSeparate :: Outputable a => DynFlags -> [a] -> String -commaSeparate dflags = showSDocUnqual dflags . interpp'SP +commaSeparate dflags = showSDoc dflags . interpp'SP --------------------------------------------------------------------- -- How to print each export @@ -133,8 +140,8 @@ ppExport dflags ExportDecl { expItemDecl = L _ decl f (TyClD _ d@SynDecl{}) = ppSynonym dflags d f (TyClD _ d@ClassDecl{}) = ppClass dflags d subdocs f (TyClD _ (FamDecl _ d)) = ppFam dflags d - f (ForD _ (ForeignImport _ name typ _)) = [pp_sig dflags [name] (hsSigType typ)] - f (ForD _ (ForeignExport _ name typ _)) = [pp_sig dflags [name] (hsSigType typ)] + f (ForD _ (ForeignImport _ name typ _)) = [pp_sig dflags [name] typ] + f (ForD _ (ForeignExport _ name typ _)) = [pp_sig dflags [name] typ] f (SigD _ sig) = ppSig dflags sig f _ = [] @@ -143,8 +150,8 @@ ppExport _ _ = [] ppSigWithDoc :: DynFlags -> Sig GhcRn -> [(Name, DocForDecl Name)] -> [String] ppSigWithDoc dflags sig subdocs = case sig of - TypeSig _ names t -> concatMap (mkDocSig "" (hsSigWcType t)) names - PatSynSig _ names t -> concatMap (mkDocSig "pattern " (hsSigType t)) names + TypeSig _ names t -> concatMap (mkDocSig "" (dropWildCards t)) names + PatSynSig _ names t -> concatMap (mkDocSig "pattern " t) names _ -> [] where mkDocSig leader typ n = mkSubdoc dflags n subdocs @@ -153,9 +160,9 @@ ppSigWithDoc dflags sig subdocs = case sig of ppSig :: DynFlags -> Sig GhcRn -> [String] ppSig dflags x = ppSigWithDoc dflags x [] -pp_sig :: DynFlags -> [Located Name] -> LHsType GhcRn -> String +pp_sig :: DynFlags -> [Located Name] -> LHsSigType GhcRn -> String pp_sig dflags names (L _ typ) = - operator prettyNames ++ " :: " ++ outHsType dflags typ + operator prettyNames ++ " :: " ++ outHsSigType dflags typ where prettyNames = intercalate ", " $ map (out dflags) names @@ -173,7 +180,7 @@ ppClass dflags decl subdocs = ppTyFams | null $ tcdATs decl = "" - | otherwise = (" " ++) . showSDocUnqual dflags . whereWrapper $ concat + | otherwise = (" " ++) . showSDoc dflags . whereWrapper $ concat [ map pprTyFam (tcdATs decl) , map (pprTyFamInstDecl NotTopLevel . unLoc) (tcdATDefs decl) ] @@ -198,9 +205,9 @@ ppFam dflags decl@(FamilyDecl { fdInfo = info }) ClosedTypeFamily{} -> decl { fdInfo = OpenTypeFamily } _ -> decl -ppInstance :: DynFlags -> ClsInst -> [String] -ppInstance dflags x = - [dropComment $ outWith (showSDocForUser dflags alwaysQualify) cls] +ppInstance :: DynFlags -> UnitState -> ClsInst -> [String] +ppInstance dflags unit_state x = + [dropComment $ outWith (showSDocForUser dflags unit_state alwaysQualify) cls] where -- As per #168, we don't want safety information about the class -- in Hoogle output. The easiest way to achieve this is to set the @@ -234,13 +241,13 @@ lookupCon dflags subdocs (L _ name) = case lookup name subdocs of _ -> [] ppCtor :: DynFlags -> TyClDecl GhcRn -> [(Name, DocForDecl Name)] -> ConDecl GhcRn -> [String] -ppCtor dflags dat subdocs con@ConDeclH98 {} +ppCtor dflags dat subdocs con@ConDeclH98 { con_args = con_args' } -- AZ:TODO get rid of the concatMap - = concatMap (lookupCon dflags subdocs) [con_name con] ++ f (getConArgs con) + = concatMap (lookupCon dflags subdocs) [con_name con] ++ f con_args' where - f (PrefixCon args) = [typeSig name $ (map hsScaledThing args) ++ [resType]] - f (InfixCon a1 a2) = f $ PrefixCon [a1,a2] - f (RecCon (L _ recs)) = f (PrefixCon $ map (hsLinear . cd_fld_type . unLoc) recs) ++ concat + f (PrefixCon _ args) = [typeSig name $ (map hsScaledThing args) ++ [resType]] + f (InfixCon a1 a2) = f $ PrefixCon [] [a1,a2] + f (RecCon (L _ recs)) = f (PrefixCon [] $ map (hsLinear . cd_fld_type . unLoc) recs) ++ concat [(concatMap (lookupCon dflags subdocs . noLoc . extFieldOcc . unLoc) (cd_fld_names r)) ++ [out dflags (map (extFieldOcc . unLoc) $ cd_fld_names r) `typeSig` [resType, cd_fld_type r]] | r <- map unLoc recs] @@ -248,11 +255,12 @@ ppCtor dflags dat subdocs con@ConDeclH98 {} funs = foldr1 (\x y -> reL $ HsFunTy noExtField (HsUnrestrictedArrow NormalSyntax) x y) apps = foldl1 (\x y -> reL $ HsAppTy noExtField x y) - typeSig nm flds = operator nm ++ " :: " ++ outHsType dflags (unL $ funs flds) + typeSig nm flds = operator nm ++ " :: " ++ + outHsSigType dflags (unL $ mkEmptySigType $ funs flds) -- We print the constructors as comma-separated list. See GHC -- docs for con_names on why it is a list to begin with. - name = commaSeparate dflags . map unLoc $ getConNames con + name = commaSeparate dflags . map unL $ getConNames con tyVarArg (UserTyVar _ _ n) = HsTyVar noExtField NotPromoted n tyVarArg (KindedTyVar _ _ n lty) = HsKindSig noExtField (reL (HsTyVar noExtField NotPromoted n)) lty @@ -262,13 +270,23 @@ ppCtor dflags dat subdocs con@ConDeclH98 {} (HsTyVar noExtField NotPromoted (reL (tcdName dat))) : map (tyVarArg . unLoc) (hsQTvExplicit $ tyClDeclTyVars dat) -ppCtor dflags _dat subdocs con@(ConDeclGADT { }) - = concatMap (lookupCon dflags subdocs) (getConNames con) ++ f +ppCtor dflags _dat subdocs (ConDeclGADT { con_names = names + , con_bndrs = L _ outer_bndrs + , con_mb_cxt = mcxt + , con_g_args = args + , con_res_ty = res_ty }) + = concatMap (lookupCon dflags subdocs) names ++ [typeSig] where - f = [typeSig name (getGADTConTypeG con)] - - typeSig nm ty = operator nm ++ " :: " ++ outHsType dflags (unLoc ty) - name = out dflags $ map unLoc $ getConNames con + typeSig = operator name ++ " :: " ++ outHsSigType dflags con_sig_ty + name = out dflags $ map unL names + con_sig_ty = HsSig noExtField outer_bndrs theta_ty where + theta_ty = case mcxt of + Just theta -> noLoc (HsQualTy { hst_xqual = noExtField, hst_ctxt = theta, hst_body = tau_ty }) + Nothing -> tau_ty + tau_ty = foldr mkFunTy res_ty $ + case args of PrefixConGADT pos_args -> map hsScaledThing pos_args + RecConGADT (L _ flds) -> map (cd_fld_type . unL) flds + mkFunTy a b = noLoc (HsFunTy noExtField (HsUnrestrictedArrow NormalSyntax) a b) ppFixity :: DynFlags -> (Name, Fixity) -> [String] ppFixity dflags (name, fixity) = [out dflags ((FixitySig noExtField [noLoc name] fixity) :: FixitySig GhcRn)] diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker.hs b/haddock-api/src/Haddock/Backends/Hyperlinker.hs index 6ef07434..8ecc185b 100644 --- a/haddock-api/src/Haddock/Backends/Hyperlinker.hs +++ b/haddock-api/src/Haddock/Backends/Hyperlinker.hs @@ -18,7 +18,7 @@ import Data.Maybe import System.Directory import System.FilePath -import GHC.Iface.Ext.Types ( HieFile(..), HieASTs(..), HieAST(..), NodeInfo(..), SourcedNodeInfo(..) ) +import GHC.Iface.Ext.Types import GHC.Iface.Ext.Binary ( readHieFile, hie_file_result, NameCacheUpdater(..)) import GHC.Types.SrcLoc ( realSrcLocSpan, mkRealSrcLoc ) import Data.Map as M @@ -70,10 +70,10 @@ ppHyperlinkedModuleSource verbosity srcdir pretty srcs iface = case ifaceHieFile -- Get the AST and tokens corresponding to the source file we want let fileFs = mkFastString file mast | M.size asts == 1 = snd <$> M.lookupMin asts - | otherwise = M.lookup fileFs asts + | otherwise = M.lookup (HiePath (mkFastString file)) asts + tokens = parse df file rawSrc ast = fromMaybe (emptyHieAst fileFs) mast fullAst = recoverFullIfaceTypes df types ast - tokens = parse df file rawSrc -- Warn if we didn't find an AST, but there were still ASTs if M.null asts diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs index 3db3c685..d3f3b79b 100644 --- a/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs +++ b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs @@ -10,15 +10,18 @@ import Data.List ( isPrefixOf, isSuffixOf ) import qualified Data.ByteString as BS -import GHC.Types.Basic ( IntegralLit(..) ) +import GHC.Types.SourceText import GHC.Driver.Session import GHC.Utils.Error ( pprLocErrMsg ) import GHC.Data.FastString ( mkFastString ) +import GHC.Parser.Errors.Ppr ( pprError ) import GHC.Parser.Lexer as Lexer ( P(..), ParseResult(..), PState(..), Token(..) - , mkPStatePure, lexer, mkParserFlags', getErrorMessages) + , initParserState, lexer, mkParserOpts, getErrorMessages) import GHC.Data.Bag ( bagToList ) -import GHC.Utils.Outputable ( showSDoc, panic, text, ($$) ) +import GHC.Utils.Outputable ( text, ($$) ) +import GHC.Utils.Panic ( panic ) +import GHC.Driver.Ppr ( showSDoc ) import GHC.Types.SrcLoc import GHC.Data.StringBuffer ( StringBuffer, atEnd ) @@ -37,17 +40,16 @@ parse parse dflags fpath bs = case unP (go False []) initState of POk _ toks -> reverse toks PFailed pst -> - let err:_ = bagToList (getErrorMessages pst dflags) in + let err:_ = bagToList (fmap pprError (getErrorMessages pst)) in panic $ showSDoc dflags $ text "Hyperlinker parse error:" $$ pprLocErrMsg err where - initState = mkPStatePure pflags buf start + initState = initParserState pflags buf start buf = stringBufferFromByteString bs start = mkRealSrcLoc (mkFastString fpath) 1 1 - pflags = mkParserFlags' (warningFlags dflags) + pflags = mkParserOpts (warningFlags dflags) (extensionFlags dflags) - (homeUnitId dflags) (safeImportsOn dflags) False -- lex Haddocks as comment tokens True -- produce comment tokens @@ -240,7 +242,6 @@ classify tok = ITline_prag {} -> TkPragma ITcolumn_prag {} -> TkPragma ITscc_prag {} -> TkPragma - ITgenerated_prag {} -> TkPragma ITunpack_prag {} -> TkPragma ITnounpack_prag {} -> TkPragma ITann_prag {} -> TkPragma @@ -381,7 +382,6 @@ inPragma False tok = ITline_prag {} -> True ITcolumn_prag {} -> True ITscc_prag {} -> True - ITgenerated_prag {} -> True ITunpack_prag {} -> True ITnounpack_prag {} -> True ITann_prag {} -> True diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker/Utils.hs b/haddock-api/src/Haddock/Backends/Hyperlinker/Utils.hs index b093b5a4..5c3bddef 100644 --- a/haddock-api/src/Haddock/Backends/Hyperlinker/Utils.hs +++ b/haddock-api/src/Haddock/Backends/Hyperlinker/Utils.hs @@ -21,7 +21,7 @@ import GHC import GHC.Iface.Ext.Types ( HieAST(..), HieType(..), HieArgs(..), TypeIndex, HieTypeFlat ) import GHC.Iface.Type import GHC.Types.Name ( getOccFS, getOccString ) -import GHC.Utils.Outputable( showSDoc ) +import GHC.Driver.Ppr ( showSDoc ) import GHC.Types.Var ( VarBndr(..) ) import System.FilePath.Posix ((</>), (<.>)) diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs index df81fd6e..0df7aac3 100644 --- a/haddock-api/src/Haddock/Backends/LaTeX.hs +++ b/haddock-api/src/Haddock/Backends/LaTeX.hs @@ -31,7 +31,7 @@ import GHC.Types.Name ( nameOccName ) import GHC.Types.Name.Reader ( rdrNameOcc ) import GHC.Core.Type ( Specificity(..) ) import GHC.Data.FastString ( unpackFS ) -import GHC.Utils.Outputable ( panic) +import GHC.Utils.Panic ( panic) import qualified Data.Map as Map import System.Directory @@ -108,7 +108,7 @@ type LaTeX = Pretty.Doc -- | Default way of rendering a 'LaTeX'. The width is 90 by default (since 100 -- often overflows the line). latex2String :: LaTeX -> String -latex2String = fullRender PageMode 90 1 txtPrinter "" +latex2String = fullRender (PageMode True) 90 1 txtPrinter "" ppLaTeXTop :: String @@ -177,7 +177,7 @@ ppLaTeXModule _title odir iface = do body = processExports exports -- - writeUtf8File (odir </> moduleLaTeXFile mdl) (show tex) + writeUtf8File (odir </> moduleLaTeXFile mdl) (fullRender (PageMode True) 80 1 txtPrinter "" tex) -- | Prints out an entry in a module export list. exportListItem :: ExportItem DocNameI -> LaTeX @@ -215,10 +215,10 @@ processExports (e : es) = processExport e $$ processExports es -isSimpleSig :: ExportItem DocNameI -> Maybe ([DocName], HsType DocNameI) +isSimpleSig :: ExportItem DocNameI -> Maybe ([DocName], HsSigType DocNameI) isSimpleSig ExportDecl { expItemDecl = L _ (SigD _ (TypeSig _ lnames t)) , expItemMbDoc = (Documentation Nothing Nothing, argDocs) } - | Map.null argDocs = Just (map unLoc lnames, unLoc (hsSigWcType t)) + | Map.null argDocs = Just (map unLoc lnames, unLoc (dropWildCards t)) isSimpleSig _ = Nothing @@ -301,7 +301,7 @@ ppDecl decl pats (doc, fnArgsDoc) instances subdocs _fxts = case unLoc decl of -- | Just _ <- tcdTyPats d -> ppTyInst False loc doc d unicode -- Family instances happen via FamInst now TyClD _ d@ClassDecl{} -> ppClassDecl instances doc subdocs d unicode - SigD _ (TypeSig _ lnames ty) -> ppFunSig Nothing (doc, fnArgsDoc) (map unLoc lnames) (hsSigWcType ty) unicode + SigD _ (TypeSig _ lnames ty) -> ppFunSig Nothing (doc, fnArgsDoc) (map unLoc lnames) (dropWildCards ty) unicode SigD _ (PatSynSig _ lnames ty) -> ppLPatSig (doc, fnArgsDoc) (map unLoc lnames) ty unicode ForD _ d -> ppFor (doc, fnArgsDoc) d unicode InstD _ _ -> empty @@ -313,7 +313,7 @@ ppDecl decl pats (doc, fnArgsDoc) instances subdocs _fxts = case unLoc decl of ppFor :: DocForDecl DocName -> ForeignDecl DocNameI -> Bool -> LaTeX ppFor doc (ForeignImport _ (L _ name) typ _) unicode = - ppFunSig Nothing doc [name] (hsSigTypeI typ) unicode + ppFunSig Nothing doc [name] typ unicode ppFor _ _ _ = error "ppFor error in Haddock.Backends.LaTeX" -- error "foreign declarations are currently not supported by --latex" @@ -350,9 +350,9 @@ ppFamDecl associated doc instances decl unicode = -- Individual equations of a closed type family ppFamDeclEqn :: TyFamInstEqn DocNameI -> LaTeX - ppFamDeclEqn (HsIB { hsib_body = FamEqn { feqn_tycon = L _ n - , feqn_rhs = rhs - , feqn_pats = ts } }) + ppFamDeclEqn (FamEqn { feqn_tycon = L _ n + , feqn_rhs = rhs + , feqn_pats = ts }) = hsep [ ppAppNameTypeArgs n ts unicode , equals , ppType unicode (unLoc rhs) @@ -407,7 +407,7 @@ ppTySyn :: DocForDecl DocName -> TyClDecl DocNameI -> Bool -> LaTeX ppTySyn doc (SynDecl { tcdLName = L _ name, tcdTyVars = ltyvars , tcdRhs = ltype }) unicode - = ppTypeOrFunSig (unLoc ltype) doc (full, hdr, char '=') unicode + = ppTypeOrFunSig (mkHsImplicitSigTypeI ltype) doc (full, hdr, char '=') unicode where hdr = hsep (keyword "type" : ppDocBinder name @@ -426,7 +426,7 @@ ppFunSig :: Maybe LaTeX -- ^ a prefix to put right before the signature -> DocForDecl DocName -- ^ documentation -> [DocName] -- ^ pattern names in the pattern signature - -> LHsType DocNameI -- ^ type of the pattern synonym + -> LHsSigType DocNameI -- ^ type of the pattern synonym -> Bool -- ^ unicode -> LaTeX ppFunSig leader doc docnames (L _ typ) unicode = @@ -447,11 +447,11 @@ ppLPatSig :: DocForDecl DocName -- ^ documentation -> Bool -- ^ unicode -> LaTeX ppLPatSig doc docnames ty unicode - = ppFunSig (Just (keyword "pattern")) doc docnames (hsSigTypeI ty) unicode + = ppFunSig (Just (keyword "pattern")) doc docnames ty unicode -- | Pretty-print a type, adding documentation to the whole type and its -- arguments as needed. -ppTypeOrFunSig :: HsType DocNameI +ppTypeOrFunSig :: HsSigType DocNameI -> DocForDecl DocName -- ^ documentation -> ( LaTeX -- first-line (no-argument docs only) , LaTeX -- first-line (argument docs only) @@ -471,13 +471,24 @@ ppTypeOrFunSig typ (doc, argDocs) (pref1, pref2, sep0) unicode -- to the arguments. The output is a list of (leader/seperator, argument and -- its doc) ppSubSigLike :: Bool -- ^ unicode - -> HsType DocNameI -- ^ type signature + -> HsSigType DocNameI -- ^ type signature -> FnArgsDoc DocName -- ^ docs to add -> [(DocName, DocForDecl DocName)] -- ^ all subdocs (useful when we have `HsRecTy`) -> LaTeX -- ^ seperator (beginning of first line) -> [(LaTeX, LaTeX)] -- ^ arguments (leader/sep, type) -ppSubSigLike unicode typ argDocs subdocs leader = do_args 0 leader typ +ppSubSigLike unicode typ argDocs subdocs leader = do_sig_args 0 leader typ where + do_sig_args :: Int -> LaTeX -> HsSigType DocNameI -> [(LaTeX, LaTeX)] + do_sig_args n leader (HsSig { sig_bndrs = outer_bndrs, sig_body = ltype }) = + case outer_bndrs of + HsOuterExplicit{hso_bndrs = bndrs} -> + [ ( decltt leader + , decltt (ppHsForAllTelescope (mkHsForAllInvisTeleI bndrs) unicode) + <+> ppLType unicode ltype + ) ] + HsOuterImplicit{} -> do_largs n leader ltype + + do_largs :: Int -> LaTeX -> LHsType DocNameI -> [(LaTeX, LaTeX)] do_largs n leader (L _ t) = do_args n leader t arg_doc n = rDoc . fmap _doc $ Map.lookup n argDocs @@ -515,12 +526,16 @@ ppSubSigLike unicode typ argDocs subdocs leader = do_args 0 leader typ gadtOpen = char '{' -ppTypeSig :: [Name] -> HsType DocNameI -> Bool -> LaTeX +ppTypeSig :: [Name] -> HsSigType DocNameI -> Bool -> LaTeX ppTypeSig nms ty unicode = hsep (punctuate comma $ map ppSymName nms) <+> dcolon unicode - <+> ppType unicode ty + <+> ppSigType unicode ty +ppHsOuterTyVarBndrs :: HsOuterTyVarBndrs flag DocNameI -> Bool -> LaTeX +ppHsOuterTyVarBndrs (HsOuterImplicit{}) _ = empty +ppHsOuterTyVarBndrs (HsOuterExplicit{hso_bndrs = bndrs}) unicode = + hsep (forallSymbol unicode : ppTyVars bndrs) <> dot ppHsForAllTelescope :: HsForAllTelescope DocNameI -> Bool -> LaTeX ppHsForAllTelescope tele unicode = case tele of @@ -635,7 +650,7 @@ ppClassDecl instances doc subdocs methodTable = text "\\haddockpremethods{}" <> emph (text "Methods") $$ - vcat [ ppFunSig leader doc names (hsSigTypeI typ) unicode + vcat [ ppFunSig leader doc names typ unicode | L _ (ClassOpSig _ is_def lnames typ) <- lsigs , let doc | is_def = noDocForDecl | otherwise = lookupAnySubdoc (head names) subdocs @@ -795,7 +810,7 @@ ppSideBySideConstr subdocs unicode leader (L _ con) = header_ = ppConstrHdr forall_ tyVars context unicode in case det of -- Prefix constructor, e.g. 'Just a' - PrefixCon args + PrefixCon _ args | hasArgDocs -> header_ <+> ppOcc | otherwise -> hsep [ header_ , ppOcc @@ -819,23 +834,25 @@ ppSideBySideConstr subdocs unicode leader (L _ con) = | otherwise -> hsep [ ppOcc , dcolon unicode -- ++AZ++ make this prepend "{..}" when it is a record style GADT - , ppLType unicode (getGADTConType con) + , ppLSigType unicode (getGADTConType con) ] - fieldPart = case (con, getConArgsI con) of - -- Record style GADTs - (ConDeclGADT{}, RecCon _) -> doConstrArgsWithDocs [] - - -- Regular record declarations - (_, RecCon (L _ fields)) -> doRecordFields fields - - -- Any GADT or a regular H98 prefix data constructor - (_, PrefixCon args) | hasArgDocs -> doConstrArgsWithDocs (map hsScaledThing args) - - -- An infix H98 data constructor - (_, InfixCon arg1 arg2) | hasArgDocs -> doConstrArgsWithDocs (map hsScaledThing [arg1,arg2]) - - _ -> empty + fieldPart = case con of + ConDeclGADT{con_g_args = con_args'} -> case con_args' of + -- GADT record declarations + RecConGADT _ -> doConstrArgsWithDocs [] + -- GADT prefix data constructors + PrefixConGADT args | hasArgDocs -> doConstrArgsWithDocs (map hsScaledThing args) + _ -> empty + + ConDeclH98{con_args = con_args'} -> case con_args' of + -- H98 record declarations + RecCon (L _ fields) -> doRecordFields fields + -- H98 prefix data constructors + PrefixCon _ args | hasArgDocs -> doConstrArgsWithDocs (map hsScaledThing args) + -- H98 infix data constructor + InfixCon arg1 arg2 | hasArgDocs -> doConstrArgsWithDocs (map hsScaledThing [arg1,arg2]) + _ -> empty doRecordFields fields = vcat [ empty <-> tt (text begin) <+> ppSideBySideField subdocs unicode field <+> nl @@ -892,18 +909,16 @@ ppSideBySidePat lnames typ (doc, argDocs) unicode = | otherwise = hsep [ keyword "pattern" , ppOcc , dcolon unicode - , ppLType unicode (hsSigTypeI typ) + , ppLSigType unicode typ ] fieldPart | not hasArgDocs = empty | otherwise = vcat [ empty <-> text "\\qquad" <+> l <+> text "\\enspace" <+> r - | (l,r) <- ppSubSigLike unicode (unLoc patTy) argDocs [] (dcolon unicode) + | (l,r) <- ppSubSigLike unicode (unLoc typ) argDocs [] (dcolon unicode) ] - patTy = hsSigTypeI typ - mDoc = fmap _doc $ combineDocumentation doc @@ -1024,12 +1039,18 @@ ppLType unicode y = ppType unicode (unLoc y) ppLParendType unicode y = ppParendType unicode (unLoc y) ppLFunLhType unicode y = ppFunLhType unicode (unLoc y) +ppLSigType :: Bool -> LHsSigType DocNameI -> LaTeX +ppLSigType unicode y = ppSigType unicode (unLoc y) + ppType, ppParendType, ppFunLhType, ppCtxType :: Bool -> HsType DocNameI -> LaTeX ppType unicode ty = ppr_mono_ty (reparenTypePrec PREC_TOP ty) unicode -ppParendType unicode ty = ppr_mono_ty (reparenTypePrec PREC_CON ty) unicode +ppParendType unicode ty = ppr_mono_ty (reparenTypePrec PREC_TOP ty) unicode ppFunLhType unicode ty = ppr_mono_ty (reparenTypePrec PREC_FUN ty) unicode ppCtxType unicode ty = ppr_mono_ty (reparenTypePrec PREC_CTX ty) unicode +ppSigType :: Bool -> HsSigType DocNameI -> LaTeX +ppSigType unicode sig_ty = ppr_sig_ty (reparenSigType sig_ty) unicode + ppLHsTypeArg :: Bool -> LHsTypeArg DocNameI -> LaTeX ppLHsTypeArg unicode (HsValArg ty) = ppLParendType unicode ty ppLHsTypeArg unicode (HsTypeArg _ ki) = atSign unicode <> @@ -1061,6 +1082,11 @@ ppKind unicode ki = ppr_mono_ty (reparenTypePrec PREC_TOP ki) unicode -- Drop top-level for-all type variables in user style -- since they are implicit in Haskell +ppr_sig_ty :: HsSigType DocNameI -> Bool -> LaTeX +ppr_sig_ty (HsSig { sig_bndrs = outer_bndrs, sig_body = ltype }) unicode + = sep [ ppHsOuterTyVarBndrs outer_bndrs unicode + , ppr_mono_lty ltype unicode ] + ppr_mono_lty :: LHsType DocNameI -> Bool -> LaTeX ppr_mono_lty ty unicode = ppr_mono_ty (unLoc ty) unicode @@ -1072,9 +1098,13 @@ ppr_mono_ty (HsForAllTy _ tele ty) unicode ppr_mono_ty (HsQualTy _ ctxt ty) unicode = sep [ ppLContext ctxt unicode , ppr_mono_lty ty unicode ] -ppr_mono_ty (HsFunTy _ _ ty1 ty2) u +ppr_mono_ty (HsFunTy _ mult ty1 ty2) u = sep [ ppr_mono_lty ty1 u - , arrow u <+> ppr_mono_lty ty2 u ] + , arr <+> ppr_mono_lty ty2 u ] + where arr = case mult of + HsLinearArrow _ -> lollipop u + HsUnrestrictedArrow _ -> arrow u + HsExplicitMult _ m -> multAnnotation <> ppr_mono_lty m u <+> arrow u ppr_mono_ty (HsBangTy _ b ty) u = ppBang b <> ppLParendType u ty ppr_mono_ty (HsTyVar _ NotPromoted (L _ name)) _ = ppDocName name @@ -1086,7 +1116,7 @@ ppr_mono_ty (HsListTy _ ty) u = brackets (ppr_mono_lty ty u) ppr_mono_ty (HsIParamTy _ (L _ n) ty) u = ppIPName n <+> dcolon u <+> ppr_mono_lty ty u ppr_mono_ty (HsSpliceTy v _) _ = absurd v ppr_mono_ty (HsRecTy {}) _ = text "{..}" -ppr_mono_ty (XHsType (NHsCoreTy {})) _ = error "ppr_mono_ty HsCoreTy" +ppr_mono_ty (XHsType {}) _ = error "ppr_mono_ty HsCoreTy" ppr_mono_ty (HsExplicitListTy _ IsPromoted tys) u = Pretty.quote $ brackets $ hsep $ punctuate comma $ map (ppLType u) tys ppr_mono_ty (HsExplicitListTy _ NotPromoted tys) u = brackets $ hsep $ punctuate comma $ map (ppLType u) tys ppr_mono_ty (HsExplicitTupleTy _ tys) u = Pretty.quote $ parenList $ map (ppLType u) tys @@ -1363,14 +1393,18 @@ quote :: LaTeX -> LaTeX quote doc = text "\\begin{quote}" $$ doc $$ text "\\end{quote}" -dcolon, arrow, darrow, forallSymbol, starSymbol, atSign :: Bool -> LaTeX +dcolon, arrow, lollipop, darrow, forallSymbol, starSymbol, atSign :: Bool -> LaTeX dcolon unicode = text (if unicode then "∷" else "::") arrow unicode = text (if unicode then "→" else "->") +lollipop unicode = text (if unicode then "⊸" else "%1 ->") darrow unicode = text (if unicode then "⇒" else "=>") forallSymbol unicode = text (if unicode then "∀" else "forall") starSymbol unicode = text (if unicode then "★" else "*") atSign unicode = text (if unicode then "@" else "@") +multAnnotation :: LaTeX +multAnnotation = text "%" + dot :: LaTeX dot = char '.' diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs index eeb9fa94..ccfb7a1e 100644 --- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs +++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs @@ -63,9 +63,9 @@ ppDecl summ links (L loc decl) pats (mbDoc, fnArgsDoc) instances fixities subdoc TyClD _ d@(SynDecl {}) -> ppTySyn summ links fixities loc (mbDoc, fnArgsDoc) d splice unicode pkg qual TyClD _ d@(ClassDecl {}) -> ppClassDecl summ links instances fixities loc mbDoc subdocs d splice unicode pkg qual SigD _ (TypeSig _ lnames lty) -> ppLFunSig summ links loc (mbDoc, fnArgsDoc) lnames - (hsSigWcType lty) fixities splice unicode pkg qual + (dropWildCards lty) fixities splice unicode pkg qual SigD _ (PatSynSig _ lnames lty) -> ppLPatSig summ links loc (mbDoc, fnArgsDoc) lnames - (hsSigTypeI lty) fixities splice unicode pkg qual + lty fixities splice unicode pkg qual ForD _ d -> ppFor summ links loc (mbDoc, fnArgsDoc) d fixities splice unicode pkg qual InstD _ _ -> noHtml DerivD _ _ -> noHtml @@ -73,25 +73,25 @@ ppDecl summ links (L loc decl) pats (mbDoc, fnArgsDoc) instances fixities subdoc ppLFunSig :: Bool -> LinksInfo -> SrcSpan -> DocForDecl DocName -> - [Located DocName] -> LHsType DocNameI -> [(DocName, Fixity)] -> + [Located DocName] -> LHsSigType DocNameI -> [(DocName, Fixity)] -> Splice -> Unicode -> Maybe Package -> Qualification -> Html ppLFunSig summary links loc doc lnames lty fixities splice unicode pkg qual = ppFunSig summary links loc noHtml doc (map unLoc lnames) lty fixities splice unicode pkg qual ppFunSig :: Bool -> LinksInfo -> SrcSpan -> Html -> DocForDecl DocName -> - [DocName] -> LHsType DocNameI -> [(DocName, Fixity)] -> + [DocName] -> LHsSigType DocNameI -> [(DocName, Fixity)] -> Splice -> Unicode -> Maybe Package -> Qualification -> Html ppFunSig summary links loc leader doc docnames typ fixities splice unicode pkg qual = ppSigLike summary links loc leader doc docnames fixities (unLoc typ, pp_typ) splice unicode pkg qual HideEmptyContexts where - pp_typ = ppLType unicode qual HideEmptyContexts typ + pp_typ = ppLSigType unicode qual HideEmptyContexts typ -- | Pretty print a pattern synonym ppLPatSig :: Bool -> LinksInfo -> SrcSpan -> DocForDecl DocName -> [Located DocName] -- ^ names of patterns in declaration - -> LHsType DocNameI -- ^ type of patterns in declaration + -> LHsSigType DocNameI -- ^ type of patterns in declaration -> [(DocName, Fixity)] -> Splice -> Unicode -> Maybe Package -> Qualification -> Html ppLPatSig summary links loc doc lnames typ fixities splice unicode pkg qual = @@ -102,7 +102,7 @@ ppLPatSig summary links loc doc lnames typ fixities splice unicode pkg qual = ppSigLike :: Bool -> LinksInfo -> SrcSpan -> Html -> DocForDecl DocName -> - [DocName] -> [(DocName, Fixity)] -> (HsType DocNameI, Html) -> + [DocName] -> [(DocName, Fixity)] -> (HsSigType DocNameI, Html) -> Splice -> Unicode -> Maybe Package -> Qualification -> HideEmptyContexts -> Html ppSigLike summary links loc leader doc docnames fixities (typ, pp_typ) splice unicode pkg qual emptyCtxts = @@ -119,7 +119,7 @@ ppSigLike summary links loc leader doc docnames fixities (typ, pp_typ) | otherwise = html <+> ppFixities fixities qual -ppTypeOrFunSig :: Bool -> LinksInfo -> SrcSpan -> [DocName] -> HsType DocNameI +ppTypeOrFunSig :: Bool -> LinksInfo -> SrcSpan -> [DocName] -> HsSigType DocNameI -> DocForDecl DocName -> (Html, Html, Html) -> Splice -> Unicode -> Maybe Package -> Qualification -> HideEmptyContexts -> Html @@ -140,15 +140,24 @@ ppTypeOrFunSig summary links loc docnames typ (doc, argDocs) (pref1, pref2, sep) -- If one passes in a list of the available subdocs, any top-level `HsRecTy` -- found will be expanded out into their fields. ppSubSigLike :: Unicode -> Qualification - -> HsType DocNameI -- ^ type signature + -> HsSigType DocNameI -- ^ type signature -> FnArgsDoc DocName -- ^ docs to add -> [(DocName, DocForDecl DocName)] -- ^ all subdocs (useful when -- we expand an `HsRecTy`) -> Html -> HideEmptyContexts -> [SubDecl] -ppSubSigLike unicode qual typ argDocs subdocs sep emptyCtxts = do_args 0 sep typ +ppSubSigLike unicode qual typ argDocs subdocs sep emptyCtxts = do_sig_args 0 sep typ where + do_sig_args :: Int -> Html -> HsSigType DocNameI -> [SubDecl] + do_sig_args n leader (HsSig { sig_bndrs = outer_bndrs, sig_body = ltype }) = + case outer_bndrs of + HsOuterExplicit{hso_bndrs = bndrs} -> do_largs n (leader' bndrs) ltype + HsOuterImplicit{} -> do_largs n leader ltype + where + leader' bndrs = leader <+> ppForAllPart unicode qual (mkHsForAllInvisTeleI bndrs) + argDoc n = Map.lookup n argDocs + do_largs :: Int -> Html -> LHsType DocNameI -> [SubDecl] do_largs n leader (L _ t) = do_args n leader t do_args :: Int -> Html -> HsType DocNameI -> [SubDecl] @@ -222,7 +231,7 @@ ppFor :: Bool -> LinksInfo -> SrcSpan -> DocForDecl DocName -> Splice -> Unicode -> Maybe Package -> Qualification -> Html ppFor summary links loc doc (ForeignImport _ (L _ name) typ _) fixities splice unicode pkg qual - = ppFunSig summary links loc noHtml doc [name] (hsSigTypeI typ) fixities splice unicode pkg qual + = ppFunSig summary links loc noHtml doc [name] typ fixities splice unicode pkg qual ppFor _ _ _ _ _ _ _ _ _ _ = error "ppFor" @@ -233,13 +242,14 @@ ppTySyn :: Bool -> LinksInfo -> [(DocName, Fixity)] -> SrcSpan ppTySyn summary links fixities loc doc (SynDecl { tcdLName = L _ name, tcdTyVars = ltyvars , tcdRhs = ltype }) splice unicode pkg qual - = ppTypeOrFunSig summary links loc [name] (unLoc ltype) doc + = ppTypeOrFunSig summary links loc [name] sig_type doc (full <+> fixs, hdr <+> fixs, spaceHtml +++ equals) splice unicode pkg qual ShowEmptyToplevelContexts where + sig_type = mkHsImplicitSigTypeI ltype hdr = hsep ([keyword "type", ppBinder summary occ] ++ ppTyVars unicode qual (hsQTvExplicit ltyvars)) - full = hdr <+> equals <+> ppPatSigType unicode qual ltype + full = hdr <+> equals <+> ppPatSigType unicode qual (noLoc sig_type) occ = nameOccName . getName $ name fixs | summary = noHtml @@ -253,15 +263,14 @@ ppTypeSig summary nms pp_ty unicode = where htmlNames = intersperse (stringToHtml ", ") $ map (ppBinder summary) nms - ppSimpleSig :: LinksInfo -> Splice -> Unicode -> Qualification -> HideEmptyContexts -> SrcSpan - -> [DocName] -> HsType DocNameI + -> [DocName] -> HsSigType DocNameI -> Html ppSimpleSig links splice unicode qual emptyCtxts loc names typ = topDeclElem' names $ ppTypeSig True occNames ppTyp unicode where topDeclElem' = topDeclElem links loc splice - ppTyp = ppType unicode qual emptyCtxts typ + ppTyp = ppSigType unicode qual emptyCtxts typ occNames = map getOccName names @@ -301,9 +310,9 @@ ppFamDecl summary associated links instances fixities loc doc decl splice unicod -- Individual equation of a closed type family ppFamDeclEqn :: TyFamInstEqn DocNameI -> SubDecl - ppFamDeclEqn (HsIB { hsib_body = FamEqn { feqn_tycon = L _ n - , feqn_rhs = rhs - , feqn_pats = ts } }) + ppFamDeclEqn (FamEqn { feqn_tycon = L _ n + , feqn_rhs = rhs + , feqn_pats = ts }) = ( ppAppNameTypeArgs n ts unicode qual <+> equals <+> ppType unicode qual HideEmptyContexts (unLoc rhs) , Nothing @@ -497,7 +506,7 @@ ppShortClassDecl summary links (ClassDecl { tcdCtxt = lctxt, tcdLName = lname, t -- ToDo: add associated type defaults - [ ppFunSig summary links loc noHtml doc names (hsSigTypeI typ) + [ ppFunSig summary links loc noHtml doc names typ [] splice unicode pkg qual | L _ (ClassOpSig _ False lnames typ) <- sigs , let doc = lookupAnySubdoc (head names) subdocs @@ -561,14 +570,14 @@ ppClassDecl summary links instances fixities loc d subdocs lookupDAT name = Map.lookup (getName name) defaultAssocTys defaultAssocTys = Map.fromList [ (getName name, (vs, typ)) - | L _ (TyFamInstDecl (HsIB _ (FamEqn { feqn_rhs = typ - , feqn_tycon = L _ name - , feqn_pats = vs }))) <- atsDefs + | L _ (TyFamInstDecl (FamEqn { feqn_rhs = typ + , feqn_tycon = L _ name + , feqn_pats = vs })) <- atsDefs ] -- Methods methodBit = subMethods - [ ppFunSig summary links loc noHtml doc [name] (hsSigTypeI typ) + [ ppFunSig summary links loc noHtml doc [name] typ subfixs splice unicode pkg qual <+> subDefaults (maybeToList defSigs) @@ -583,7 +592,7 @@ ppClassDecl summary links instances fixities loc d subdocs -- Default methods ppDefaultFunSig n (t, d') = ppFunSig summary links loc (keyword "default") - d' [n] (hsSigTypeI t) [] splice unicode pkg qual + d' [n] t [] splice unicode pkg qual lookupDM name = Map.lookup (getOccString name) defaultMethods defaultMethods = Map.fromList @@ -709,7 +718,7 @@ ppInstanceSigs :: LinksInfo -> Splice -> Unicode -> Qualification ppInstanceSigs links splice unicode qual sigs = do TypeSig _ lnames typ <- sigs let names = map unLoc lnames - L _ rtyp = hsSigWcType typ + L _ rtyp = dropWildCards typ -- Instance methods signatures are synified and thus don't have a useful -- SrcSpan value. Use the methods name location instead. return $ ppSimpleSig links splice unicode qual HideEmptyContexts (getLoc $ head $ lnames) names rtyp @@ -772,7 +781,7 @@ ppShortDataDecl summary dataInst dataDecl pats unicode qual pats1 = [ hsep [ keyword "pattern" , hsep $ punctuate comma $ map (ppBinder summary . getOccName) lnames , dcolon unicode - , ppPatSigType unicode qual (hsSigTypeI typ) + , ppPatSigType unicode qual typ ] | (SigD _ (PatSynSig _ lnames typ),_) <- pats ] @@ -851,7 +860,7 @@ ppShortConstrParts summary dataInst con unicode qual in case det of -- Prefix constructor, e.g. 'Just a' - PrefixCon args -> + PrefixCon _ args -> ( header_ <+> hsep (ppOcc : map (ppLParendType unicode qual HideEmptyContexts . hsScaledThing) args) , noHtml , noHtml @@ -878,7 +887,7 @@ ppShortConstrParts summary dataInst con unicode qual -- GADT constructor, e.g. 'Foo :: Int -> Foo' ConDeclGADT {} -> - ( hsep [ ppOcc, dcolon unicode, ppLType unicode qual HideEmptyContexts (getGADTConType con) ] + ( hsep [ ppOcc, dcolon unicode, ppLSigType unicode qual HideEmptyContexts (getGADTConType con) ] , noHtml , noHtml ) @@ -922,7 +931,7 @@ ppSideBySideConstr subdocs fixities unicode pkg qual (L _ con) header_ = ppConstrHdr forall_ tyVars context unicode qual in case det of -- Prefix constructor, e.g. 'Just a' - PrefixCon args + PrefixCon _ args | hasArgDocs -> header_ <+> ppOcc <+> fixity | otherwise -> hsep [ header_ <+> ppOcc , hsep (map (ppLParendType unicode qual HideEmptyContexts . hsScaledThing) args) @@ -947,24 +956,26 @@ ppSideBySideConstr subdocs fixities unicode pkg qual (L _ con) | otherwise -> hsep [ ppOcc , dcolon unicode -- ++AZ++ make this prepend "{..}" when it is a record style GADT - , ppLType unicode qual HideEmptyContexts (getGADTConType con) + , ppLSigType unicode qual HideEmptyContexts (getGADTConType con) , fixity ] - fieldPart = case (con, getConArgsI con) of - -- Record style GADTs - (ConDeclGADT{}, RecCon _) -> [ doConstrArgsWithDocs [] ] - - -- Regular record declarations - (_, RecCon (L _ fields)) -> [ doRecordFields fields ] - - -- Any GADT or a regular H98 prefix data constructor - (_, PrefixCon args) | hasArgDocs -> [ doConstrArgsWithDocs args ] - - -- An infix H98 data constructor - (_, InfixCon arg1 arg2) | hasArgDocs -> [ doConstrArgsWithDocs [arg1,arg2] ] - - _ -> [] + fieldPart = case con of + ConDeclGADT{con_g_args = con_args'} -> case con_args' of + -- GADT record declarations + RecConGADT _ -> [ doConstrArgsWithDocs [] ] + -- GADT prefix data constructors + PrefixConGADT args | hasArgDocs -> [ doConstrArgsWithDocs args ] + _ -> [] + + ConDeclH98{con_args = con_args'} -> case con_args' of + -- H98 record declarations + RecCon (L _ fields) -> [ doRecordFields fields ] + -- H98 prefix data constructors + PrefixCon _ args | hasArgDocs -> [ doConstrArgsWithDocs args ] + -- H98 infix data constructor + InfixCon arg1 arg2 | hasArgDocs -> [ doConstrArgsWithDocs [arg1,arg2] ] + _ -> [] doRecordFields fields = subFields pkg qual (map (ppSideBySideField subdocs unicode qual) (map unLoc fields)) @@ -1049,18 +1060,17 @@ ppSideBySidePat fixities unicode qual lnames typ (doc, argDocs) = | otherwise = hsep [ keyword "pattern" , ppOcc , dcolon unicode - , ppPatSigType unicode qual (hsSigTypeI typ) + , ppPatSigType unicode qual typ , fixity ] fieldPart | not hasArgDocs = [] - | otherwise = [ subFields Nothing qual (ppSubSigLike unicode qual (unLoc patTy) + | otherwise = [ subFields Nothing qual (ppSubSigLike unicode qual (unLoc typ) argDocs [] (dcolon unicode) emptyCtxt) ] - patTy = hsSigTypeI typ - emptyCtxt = patSigContext patTy + emptyCtxt = patSigContext typ -- | Print the LHS of a data\/newtype declaration. @@ -1114,6 +1124,9 @@ ppLType unicode qual emptyCtxts y = ppType unicode qual emptyCtxts (unLoc ppLParendType unicode qual emptyCtxts y = ppParendType unicode qual emptyCtxts (unLoc y) ppLFunLhType unicode qual emptyCtxts y = ppFunLhType unicode qual emptyCtxts (unLoc y) +ppLSigType :: Unicode -> Qualification -> HideEmptyContexts -> LHsSigType DocNameI -> Html +ppLSigType unicode qual emptyCtxts y = ppSigType unicode qual emptyCtxts (unLoc y) + ppCtxType :: Unicode -> Qualification -> HsType DocNameI -> Html ppCtxType unicode qual ty = ppr_mono_ty (reparenTypePrec PREC_CTX ty) unicode qual HideEmptyContexts @@ -1122,6 +1135,9 @@ ppType unicode qual emptyCtxts ty = ppr_mono_ty (reparenTypePrec PREC_TOP ppParendType unicode qual emptyCtxts ty = ppr_mono_ty (reparenTypePrec PREC_CON ty) unicode qual emptyCtxts ppFunLhType unicode qual emptyCtxts ty = ppr_mono_ty (reparenTypePrec PREC_FUN ty) unicode qual emptyCtxts +ppSigType :: Unicode -> Qualification -> HideEmptyContexts -> HsSigType DocNameI -> Html +ppSigType unicode qual emptyCtxts sig_ty = ppr_sig_ty (reparenSigType sig_ty) unicode qual emptyCtxts + ppLHsTypeArg :: Unicode -> Qualification -> HideEmptyContexts -> LHsTypeArg DocNameI -> Html ppLHsTypeArg unicode qual emptyCtxts (HsValArg ty) = ppLParendType unicode qual emptyCtxts ty ppLHsTypeArg unicode qual emptyCtxts (HsTypeArg _ ki) = atSign unicode <> @@ -1156,18 +1172,18 @@ ppLKind unicode qual y = ppKind unicode qual (unLoc y) ppKind :: Unicode -> Qualification -> HsKind DocNameI -> Html ppKind unicode qual ki = ppr_mono_ty (reparenTypePrec PREC_TOP ki) unicode qual HideEmptyContexts -patSigContext :: LHsType name -> HideEmptyContexts -patSigContext typ | hasNonEmptyContext typ && isFirstContextEmpty typ = ShowEmptyToplevelContexts - | otherwise = HideEmptyContexts +patSigContext :: LHsSigType DocNameI -> HideEmptyContexts +patSigContext sig_typ | hasNonEmptyContext typ && isFirstContextEmpty typ = ShowEmptyToplevelContexts + | otherwise = HideEmptyContexts where - hasNonEmptyContext :: LHsType name -> Bool + typ = sig_body (unLoc sig_typ) + hasNonEmptyContext t = case unLoc t of HsForAllTy _ _ s -> hasNonEmptyContext s HsQualTy _ cxt s -> if null (unLoc cxt) then hasNonEmptyContext s else True HsFunTy _ _ _ s -> hasNonEmptyContext s _ -> False - isFirstContextEmpty :: LHsType name -> Bool isFirstContextEmpty t = case unLoc t of HsForAllTy _ _ s -> isFirstContextEmpty s @@ -1178,10 +1194,16 @@ patSigContext typ | hasNonEmptyContext typ && isFirstContextEmpty typ = ShowEmp -- | Pretty-print a pattern signature (all this does over 'ppLType' is slot in -- the right 'HideEmptyContext' value) -ppPatSigType :: Unicode -> Qualification -> LHsType DocNameI -> Html +ppPatSigType :: Unicode -> Qualification -> LHsSigType DocNameI -> Html ppPatSigType unicode qual typ = - let emptyCtxts = patSigContext typ in ppLType unicode qual emptyCtxts typ + let emptyCtxts = patSigContext typ in ppLSigType unicode qual emptyCtxts typ +ppHsOuterTyVarBndrs :: RenderableBndrFlag flag + => Unicode -> Qualification -> HsOuterTyVarBndrs flag DocNameI -> Html +ppHsOuterTyVarBndrs unicode qual outer_bndrs = case outer_bndrs of + HsOuterImplicit{} -> noHtml + HsOuterExplicit{hso_bndrs = bndrs} -> + hsep (forallSymbol unicode : ppTyVars unicode qual bndrs) +++ dot ppForAllPart :: Unicode -> Qualification -> HsForAllTelescope DocNameI -> Html ppForAllPart unicode qual tele = case tele of @@ -1191,6 +1213,10 @@ ppForAllPart unicode qual tele = case tele of HsForAllInvis { hsf_invis_bndrs = bndrs } -> hsep (forallSymbol unicode : ppTyVars unicode qual bndrs) +++ dot +ppr_sig_ty :: HsSigType DocNameI -> Unicode -> Qualification -> HideEmptyContexts -> Html +ppr_sig_ty (HsSig { sig_bndrs = outer_bndrs, sig_body = ltype }) unicode qual emptyCtxts + = ppHsOuterTyVarBndrs unicode qual outer_bndrs <+> ppr_mono_lty ltype unicode qual emptyCtxts + ppr_mono_lty :: LHsType DocNameI -> Unicode -> Qualification -> HideEmptyContexts -> Html ppr_mono_lty ty = ppr_mono_ty (unLoc ty) @@ -1213,10 +1239,15 @@ ppr_mono_ty (HsTyVar _ prom (L _ name)) _ q _ | otherwise = ppDocName q Prefix True name ppr_mono_ty (HsStarTy _ isUni) u _ _ = toHtml (if u || isUni then "★" else "*") -ppr_mono_ty (HsFunTy _ _ ty1 ty2) u q e = +ppr_mono_ty (HsFunTy _ mult ty1 ty2) u q e = hsep [ ppr_mono_lty ty1 u q HideEmptyContexts - , arrow u <+> ppr_mono_lty ty2 u q e + , arr <+> ppr_mono_lty ty2 u q e ] + where arr = case mult of + HsLinearArrow _ -> lollipop u + HsUnrestrictedArrow _ -> arrow u + HsExplicitMult _ m -> multAnnotation <> ppr_mono_lty m u q e <+> arrow u + ppr_mono_ty (HsTupleTy _ con tys) u q _ = tupleParens con (map (ppLType u q HideEmptyContexts) tys) ppr_mono_ty (HsSumTy _ tys) u q _ = @@ -1231,7 +1262,7 @@ ppr_mono_ty (HsRecTy {}) _ _ _ = toHtml "{..}" -- Can now legally occur in ConDeclGADT, the output here is to provide a -- placeholder in the signature, which is followed by the field -- declarations. -ppr_mono_ty (XHsType (NHsCoreTy {})) _ _ _ = error "ppr_mono_ty HsCoreTy" +ppr_mono_ty (XHsType {}) _ _ _ = error "ppr_mono_ty HsCoreTy" ppr_mono_ty (HsExplicitListTy _ IsPromoted tys) u q _ = promoQuote $ brackets $ hsep $ punctuate comma $ map (ppLType u q HideEmptyContexts) tys ppr_mono_ty (HsExplicitListTy _ NotPromoted tys) u q _ = brackets $ hsep $ punctuate comma $ map (ppLType u q HideEmptyContexts) tys ppr_mono_ty (HsExplicitTupleTy _ tys) u q _ = promoQuote $ parenList $ map (ppLType u q HideEmptyContexts) tys diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs b/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs index f5f64f51..238f0046 100644 --- a/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs +++ b/haddock-api/src/Haddock/Backends/Xhtml/Utils.hs @@ -21,7 +21,8 @@ module Haddock.Backends.Xhtml.Utils ( keyword, punctuate, braces, brackets, pabrackets, parens, parenList, ubxParenList, ubxSumList, - arrow, comma, dcolon, dot, darrow, equals, forallSymbol, quote, promoQuote, + arrow, lollipop, comma, dcolon, dot, darrow, equals, forallSymbol, quote, promoQuote, + multAnnotation, atSign, hsep, vcat, @@ -187,13 +188,17 @@ ubxparens :: Html -> Html ubxparens h = toHtml "(#" <+> h <+> toHtml "#)" -dcolon, arrow, darrow, forallSymbol, atSign :: Bool -> Html +dcolon, arrow, lollipop, darrow, forallSymbol, atSign :: Bool -> Html dcolon unicode = toHtml (if unicode then "∷" else "::") arrow unicode = toHtml (if unicode then "→" else "->") +lollipop unicode = toHtml (if unicode then "⊸" else "%1 ->") darrow unicode = toHtml (if unicode then "⇒" else "=>") forallSymbol unicode = if unicode then toHtml "∀" else keyword "forall" atSign unicode = toHtml (if unicode then "@" else "@") +multAnnotation :: Html +multAnnotation = toHtml "%" + dot :: Html dot = toHtml "." |