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-rw-r--r--src/Haddock/Backends/LaTeX.hs56
1 files changed, 29 insertions, 27 deletions
diff --git a/src/Haddock/Backends/LaTeX.hs b/src/Haddock/Backends/LaTeX.hs
index efe05b9e..6cce753c 100644
--- a/src/Haddock/Backends/LaTeX.hs
+++ b/src/Haddock/Backends/LaTeX.hs
@@ -158,9 +158,7 @@ ppLaTeXModule _title odir iface = do
]
description
- = case ifaceRnDoc iface of
- Nothing -> empty
- Just doc -> docToLaTeX doc
+ = (fromMaybe empty . documentationToLaTeX . ifaceRnDoc) iface
body = processExports exports
--
@@ -210,7 +208,7 @@ processExports (e : es) =
isSimpleSig :: ExportItem DocName -> Maybe ([DocName], HsType DocName)
isSimpleSig (ExportDecl (L _ (SigD (TypeSig lnames (L _ t))))
- (Nothing, argDocs) _ _)
+ (Documentation Nothing, argDocs) _ _)
| Map.null argDocs = Just (map unLoc lnames, t)
isSimpleSig _ = Nothing
@@ -276,24 +274,24 @@ ppDecl :: LHsDecl DocName
-> [(DocName, DocForDecl DocName)]
-> LaTeX
-ppDecl (L loc decl) (mbDoc, fnArgsDoc) instances subdocs = case decl of
- TyClD d@(TyFamily {}) -> ppTyFam False loc mbDoc d unicode
+ppDecl (L loc decl) (doc, fnArgsDoc) instances subdocs = case decl of
+ TyClD d@(TyFamily {}) -> ppTyFam False loc doc d unicode
TyClD d@(TyData {})
- | Nothing <- tcdTyPats d -> ppDataDecl instances subdocs loc mbDoc d unicode
- | Just _ <- tcdTyPats d -> ppDataInst loc mbDoc d
+ | Nothing <- tcdTyPats d -> ppDataDecl instances subdocs loc doc d unicode
+ | Just _ <- tcdTyPats d -> ppDataInst loc doc d
TyClD d@(TySynonym {})
- | Nothing <- tcdTyPats d -> ppTySyn loc (mbDoc, fnArgsDoc) d unicode
- | Just _ <- tcdTyPats d -> ppTyInst False loc mbDoc d unicode
- TyClD d@(ClassDecl {}) -> ppClassDecl instances loc mbDoc subdocs d unicode
- SigD (TypeSig lnames (L _ t)) -> ppFunSig loc (mbDoc, fnArgsDoc) (map unLoc lnames) t unicode
- ForD d -> ppFor loc (mbDoc, fnArgsDoc) d unicode
+ | Nothing <- tcdTyPats d -> ppTySyn loc (doc, fnArgsDoc) d unicode
+ | Just _ <- tcdTyPats d -> ppTyInst False loc doc d unicode
+ TyClD d@(ClassDecl {}) -> ppClassDecl instances loc doc subdocs d unicode
+ SigD (TypeSig lnames (L _ t)) -> ppFunSig loc (doc, fnArgsDoc) (map unLoc lnames) t unicode
+ ForD d -> ppFor loc (doc, fnArgsDoc) d unicode
InstD _ -> empty
_ -> error "declaration not supported by ppDecl"
where
unicode = False
-ppTyFam :: Bool -> SrcSpan -> Maybe (Doc DocName) ->
+ppTyFam :: Bool -> SrcSpan -> Documentation DocName ->
TyClDecl DocName -> Bool -> LaTeX
ppTyFam _ _ _ _ _ =
error "type family declarations are currently not supported by --latex"
@@ -304,7 +302,7 @@ ppDataInst =
error "data instance declarations are currently not supported by --latex"
-ppTyInst :: Bool -> SrcSpan -> Maybe (Doc DocName) ->
+ppTyInst :: Bool -> SrcSpan -> Documentation DocName ->
TyClDecl DocName -> Bool -> LaTeX
ppTyInst _ _ _ _ _ =
error "type instance declarations are currently not supported by --latex"
@@ -355,13 +353,13 @@ ppTypeOrFunSig :: SrcSpan -> [DocName] -> HsType DocName
ppTypeOrFunSig _ _ typ (doc, argDocs) (pref1, pref2, sep0)
unicode
| Map.null argDocs =
- declWithDoc pref1 (fmap docToLaTeX doc)
+ declWithDoc pref1 (documentationToLaTeX doc)
| otherwise =
declWithDoc pref2 $ Just $
text "\\haddockbeginargs" $$
do_args 0 sep0 typ $$
text "\\end{tabulary}\\par" $$
- maybe empty docToLaTeX doc
+ fromMaybe empty (documentationToLaTeX doc)
where
do_largs n leader (L _ t) = do_args n leader t
@@ -469,9 +467,9 @@ ppFds fds unicode =
ppClassDecl :: [DocInstance DocName] -> SrcSpan
- -> Maybe (Doc DocName) -> [(DocName, DocForDecl DocName)]
+ -> Documentation DocName -> [(DocName, DocForDecl DocName)]
-> TyClDecl DocName -> Bool -> LaTeX
-ppClassDecl instances loc mbDoc subdocs
+ppClassDecl instances loc doc subdocs
(ClassDecl lctxt lname ltyvars lfds lsigs _ ats at_defs _) unicode
= declWithDoc classheader (if null body then Nothing else Just (vcat body)) $$
instancesBit
@@ -482,7 +480,7 @@ ppClassDecl instances loc mbDoc subdocs
hdr = ppClassHdr False lctxt (unLoc lname) ltyvars lfds
- body = catMaybes [fmap docToLaTeX mbDoc, body_]
+ body = catMaybes [documentationToLaTeX doc, body_]
body_
| null lsigs, null ats, null at_defs = Nothing
@@ -523,8 +521,8 @@ isUndocdInstance _ = Nothing
-- an 'argBox'. The comment is printed to the right of the box in normal comment
-- style.
ppDocInstance :: Bool -> DocInstance DocName -> LaTeX
-ppDocInstance unicode (instHead, mbDoc) =
- declWithDoc (ppInstDecl unicode instHead) (fmap docToLaTeX mbDoc)
+ppDocInstance unicode (instHead, doc) =
+ declWithDoc (ppInstDecl unicode instHead) (fmap docToLaTeX doc)
ppInstDecl :: Bool -> InstHead DocName -> LaTeX
@@ -550,9 +548,9 @@ lookupAnySubdoc n subdocs = case lookup n subdocs of
ppDataDecl :: [DocInstance DocName] ->
[(DocName, DocForDecl DocName)] ->
- SrcSpan -> Maybe (Doc DocName) -> TyClDecl DocName -> Bool ->
+ SrcSpan -> Documentation DocName -> TyClDecl DocName -> Bool ->
LaTeX
-ppDataDecl instances subdocs _loc mbDoc dataDecl unicode
+ppDataDecl instances subdocs _loc doc dataDecl unicode
= declWithDoc (ppDataHeader dataDecl unicode <+> whereBit)
(if null body then Nothing else Just (vcat body))
@@ -562,7 +560,7 @@ ppDataDecl instances subdocs _loc mbDoc dataDecl unicode
cons = tcdCons dataDecl
resTy = (con_res . unLoc . head) cons
- body = catMaybes [constrBit, fmap docToLaTeX mbDoc]
+ body = catMaybes [constrBit, documentationToLaTeX doc]
(whereBit, leaders)
| null cons = (empty,[])
@@ -642,7 +640,7 @@ ppSideBySideConstr subdocs unicode leader (L _ con) =
forall = con_explicit con
-- don't use "con_doc con", in case it's reconstructed from a .hi file,
-- or also because we want Haddock to do the doc-parsing, not GHC.
- mbDoc = lookup (unLoc $ con_name con) subdocs >>= fst
+ mbDoc = lookup (unLoc $ con_name con) subdocs >>= (\(Documentation mDoc) -> mDoc) . fst
mkFunTy a b = noLoc (HsFunTy a b)
@@ -652,7 +650,7 @@ ppSideBySideField subdocs unicode (ConDeclField (L _ name) ltype _) =
<+> dcolon unicode <+> ppLType unicode ltype) <-> rDoc mbDoc
where
-- don't use cd_fld_doc for same reason we don't use con_doc above
- mbDoc = lookup name subdocs >>= fst
+ mbDoc = lookup name subdocs >>= (\(Documentation mDoc) -> mDoc) . fst
-- {-
-- ppHsFullConstr :: HsConDecl -> LaTeX
@@ -1042,6 +1040,10 @@ docToLaTeX :: Doc DocName -> LaTeX
docToLaTeX doc = markup latexMarkup doc Plain
+documentationToLaTeX :: Documentation DocName -> Maybe LaTeX
+documentationToLaTeX (Documentation mDoc) = docToLaTeX `fmap` mDoc
+
+
rdrDocToLaTeX :: Doc RdrName -> LaTeX
rdrDocToLaTeX doc = markup rdrLatexMarkup doc Plain