diff options
Diffstat (limited to 'src/Haddock/Backends/LaTeX.hs')
| -rw-r--r-- | src/Haddock/Backends/LaTeX.hs | 56 |
1 files changed, 18 insertions, 38 deletions
diff --git a/src/Haddock/Backends/LaTeX.hs b/src/Haddock/Backends/LaTeX.hs index deb224a8..c3a8faa0 100644 --- a/src/Haddock/Backends/LaTeX.hs +++ b/src/Haddock/Backends/LaTeX.hs @@ -278,12 +278,14 @@ ppDecl :: LHsDecl DocName ppDecl (L loc decl) (mbDoc, fnArgsDoc) instances subdocs = case decl of TyClD d@(TyFamily {}) -> ppTyFam False loc mbDoc d unicode - TyClD d@(TyData {}) - | Nothing <- tcdTyPats d -> ppDataDecl instances subdocs loc mbDoc d unicode - | Just _ <- tcdTyPats d -> ppDataInst loc mbDoc d - TyClD d@(TySynonym {}) - | Nothing <- tcdTyPats d -> ppTySyn loc (mbDoc, fnArgsDoc) d unicode - | Just _ <- tcdTyPats d -> ppTyInst False loc mbDoc d unicode + TyClD d@(TyDecl{ tcdTyDefn = defn }) + | isHsDataDefn defn -> ppDataDecl instances subdocs loc mbDoc d unicode + | otherwise -> ppTySyn loc (mbDoc, fnArgsDoc) d unicode +-- | Just _ <- tcdTyPats d -> ppDataInst loc mbDoc d +-- Family instances happen via FamInst now +-- TyClD d@(TySynonym {}) +-- | Just _ <- tcdTyPats d -> ppTyInst False loc mbDoc d unicode +-- Family instances happen via FamInst now 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 @@ -299,17 +301,6 @@ ppTyFam _ _ _ _ _ = error "type family declarations are currently not supported by --latex" -ppDataInst :: a -ppDataInst = - error "data instance declarations are currently not supported by --latex" - - -ppTyInst :: Bool -> SrcSpan -> Maybe (Doc DocName) -> - TyClDecl DocName -> Bool -> LaTeX -ppTyInst _ _ _ _ _ = - error "type instance declarations are currently not supported by --latex" - - ppFor :: SrcSpan -> DocForDecl DocName -> ForeignDecl DocName -> Bool -> LaTeX ppFor _ _ _ _ = error "foreign declarations are currently not supported by --latex" @@ -323,7 +314,8 @@ ppFor _ _ _ _ = -- we skip type patterns for now ppTySyn :: SrcSpan -> DocForDecl DocName -> TyClDecl DocName -> Bool -> LaTeX -ppTySyn loc doc (TySynonym (L _ name) ltyvars _ ltype _) unicode +ppTySyn loc doc (TyDecl { tcdLName = L _ name, tcdTyVars = ltyvars + , tcdTyDefn = TySynonym { td_synRhs = ltype } }) unicode = ppTypeOrFunSig loc [name] (unLoc ltype) doc (full, hdr, char '=') unicode where hdr = hsep (keyword "type" : ppDocBinder name : ppTyVars ltyvars) @@ -559,7 +551,7 @@ ppDataDecl instances subdocs _loc mbDoc dataDecl unicode $$ instancesBit where - cons = tcdCons dataDecl + cons = td_cons (tcdTyDefn dataDecl) resTy = (con_res . unLoc . head) cons body = catMaybes [constrBit, fmap docToLaTeX mbDoc] @@ -705,27 +697,15 @@ ppSideBySideField subdocs unicode (ConDeclField (L _ name) ltype _) = -- | Print the LHS of a data\/newtype declaration. -- Currently doesn't handle 'data instance' decls or kind signatures ppDataHeader :: TyClDecl DocName -> Bool -> LaTeX -ppDataHeader decl unicode - | not (isDataDecl decl) = error "ppDataHeader: illegal argument" - | otherwise = - -- newtype or data - (if tcdND decl == NewType then keyword "newtype" else keyword "data") <+> +ppDataHeader (TyDecl { tcdLName = L _ name, tcdTyVars = tyvars + , tcdTyDefn = TyData { td_ND = nd, td_ctxt = ctxt } }) unicode + = -- newtype or data + (case nd of { NewType -> keyword "newtype"; DataType -> keyword "data" }) <+> -- context - ppLContext (tcdCtxt decl) unicode <+> + ppLContext ctxt unicode <+> -- T a b c ..., or a :+: b - ppTyClBinderWithVars False decl - - --------------------------------------------------------------------------------- --- * TyClDecl helpers --------------------------------------------------------------------------------- - - --- | Print a type family / newtype / data / class binder and its variables -ppTyClBinderWithVars :: Bool -> TyClDecl DocName -> LaTeX -ppTyClBinderWithVars summ decl = - ppAppDocNameNames summ (unLoc $ tcdLName decl) (tyvarNames $ tcdTyVars decl) - + ppAppDocNameNames False name (tyvarNames tyvars) +ppDataHeader _ _ = error "ppDataHeader: illegal argument" -------------------------------------------------------------------------------- -- * Type applications |