diff options
Diffstat (limited to 'haddock-api/src/Haddock/Backends/LaTeX.hs')
-rw-r--r-- | haddock-api/src/Haddock/Backends/LaTeX.hs | 66 |
1 files changed, 45 insertions, 21 deletions
diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs index d0528322..3a774ace 100644 --- a/haddock-api/src/Haddock/Backends/LaTeX.hs +++ b/haddock-api/src/Haddock/Backends/LaTeX.hs @@ -210,10 +210,10 @@ 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 @@ -296,7 +296,7 @@ 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 (doc, fnArgsDoc) (map unLoc lnames) (hsSigWcType ty) unicode + SigD _ (TypeSig _ lnames ty) -> ppFunSig (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 @@ -308,7 +308,7 @@ 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 doc [name] (hsSigTypeI typ) unicode + ppFunSig doc [name] typ unicode ppFor _ _ _ = error "ppFor error in Haddock.Backends.LaTeX" -- error "foreign declarations are currently not supported by --latex" @@ -343,9 +343,9 @@ ppFamDecl 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) @@ -396,7 +396,7 @@ 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 @@ -411,7 +411,7 @@ ppTySyn _ _ _ = error "declaration not supported by ppTySyn" ------------------------------------------------------------------------------- -ppFunSig :: DocForDecl DocName -> [DocName] -> LHsType DocNameI +ppFunSig :: DocForDecl DocName -> [DocName] -> LHsSigType DocNameI -> Bool -> LaTeX ppFunSig doc docnames (L _ typ) unicode = ppTypeOrFunSig typ doc @@ -437,12 +437,12 @@ ppLPatSig doc docnames ty unicode ) unicode where - typ = unLoc (hsSigTypeI ty) + typ = unLoc ty names = map getName docnames -- | 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) @@ -462,13 +462,24 @@ 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 @@ -505,12 +516,16 @@ ppSubSigLike unicode typ argDocs subdocs leader = do_args 0 leader typ gadtOpen = text "\\{" -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 @@ -617,7 +632,7 @@ ppClassDecl instances doc subdocs methodTable = text "\\haddockpremethods{}" <> emph (text "Methods") $$ - vcat [ ppFunSig doc names (hsSigWcType typ) unicode + vcat [ ppFunSig doc names (dropWildCards typ) unicode | L _ (TypeSig _ lnames typ) <- lsigs , let doc = lookupAnySubdoc (head names) subdocs names = map unLoc lnames ] @@ -793,7 +808,7 @@ 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 of @@ -868,18 +883,16 @@ 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 @@ -1000,12 +1013,18 @@ 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_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 <> @@ -1038,6 +1057,11 @@ 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 |