diff options
Diffstat (limited to 'haddock-api/src/Haddock/Backends/LaTeX.hs')
| -rw-r--r-- | haddock-api/src/Haddock/Backends/LaTeX.hs | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs index 53cfccff..18660b3f 100644 --- a/haddock-api/src/Haddock/Backends/LaTeX.hs +++ b/haddock-api/src/Haddock/Backends/LaTeX.hs @@ -227,8 +227,8 @@ isExportModule _ = Nothing processExport :: ExportItem DocName -> LaTeX processExport (ExportGroup lev _id0 doc) = ppDocGroup lev (docToLaTeX doc) -processExport (ExportDecl decl doc subdocs insts fixities _splice) - = ppDecl decl doc insts subdocs fixities +processExport (ExportDecl decl pats doc subdocs insts fixities _splice) + = ppDecl decl pats doc insts subdocs fixities processExport (ExportNoDecl y []) = ppDocName y processExport (ExportNoDecl y subs) @@ -278,16 +278,17 @@ moduleBasename mdl = map (\c -> if c == '.' then '-' else c) ppDecl :: LHsDecl DocName + -> [(HsDecl DocName,DocForDecl DocName)] -> DocForDecl DocName -> [DocInstance DocName] -> [(DocName, DocForDecl DocName)] -> [(DocName, Fixity)] -> LaTeX -ppDecl (L loc decl) (doc, fnArgsDoc) instances subdocs _fixities = case decl of +ppDecl (L loc decl) pats (doc, fnArgsDoc) instances subdocs _fixities = case decl of TyClD d@(FamDecl {}) -> ppTyFam False loc doc d unicode TyClD d@(DataDecl {}) - -> ppDataDecl instances subdocs loc (Just doc) d unicode + -> ppDataDecl pats instances subdocs loc (Just doc) d unicode TyClD d@(SynDecl {}) -> ppTySyn loc (doc, fnArgsDoc) d unicode -- Family instances happen via FamInst now -- TyClD d@(TySynonym {}) @@ -565,11 +566,11 @@ lookupAnySubdoc n subdocs = case lookup n subdocs of ------------------------------------------------------------------------------- -ppDataDecl :: [DocInstance DocName] -> +ppDataDecl :: [(HsDecl DocName,DocForDecl DocName)] -> [DocInstance DocName] -> [(DocName, DocForDecl DocName)] -> SrcSpan -> Maybe (Documentation DocName) -> TyClDecl DocName -> Bool -> LaTeX -ppDataDecl instances subdocs _loc doc dataDecl unicode +ppDataDecl pats instances subdocs _loc doc dataDecl unicode = declWithDoc (ppDataHeader dataDecl unicode <+> whereBit) (if null body then Nothing else Just (vcat body)) @@ -579,10 +580,12 @@ ppDataDecl instances subdocs _loc doc dataDecl unicode cons = dd_cons (tcdDataDefn dataDecl) resTy = (unLoc . head) cons - body = catMaybes [constrBit, doc >>= documentationToLaTeX] + body = catMaybes [constrBit,patternBit, doc >>= documentationToLaTeX] (whereBit, leaders) - | null cons = (empty,[]) + | null cons + , null pats = (empty,[]) + | null cons = (decltt (keyword "where"), repeat empty) | otherwise = case resTy of ConDeclGADT{} -> (decltt (keyword "where"), repeat empty) _ -> (empty, (decltt (text "=") : repeat (decltt (text "|")))) @@ -594,6 +597,19 @@ ppDataDecl instances subdocs _loc doc dataDecl unicode vcat (zipWith (ppSideBySideConstr subdocs unicode) leaders cons) $$ text "\\end{tabulary}\\par" + patternBit + | null cons = Nothing + | otherwise = Just $ + text "\\haddockbeginconstrs" $$ + vcat [ hsep [ keyword "pattern" + , hsep $ punctuate comma $ map (ppDocBinder . unLoc) lnames + , dcolon unicode + , ppLType unicode (hsSigType ty) + ] <-> rDoc (fmap _doc . combineDocumentation . fst $ d) + | (SigD (PatSynSig lnames ty),d) <- pats + ] $$ + text "\\end{tabulary}\\par" + instancesBit = ppDocInstances unicode instances |