From 3da5ad49bb4e18705fdf0f3428648ed425e8009b Mon Sep 17 00:00:00 2001 From: Mark Lentczner Date: Thu, 17 Jun 2010 17:36:01 +0000 Subject: push single constructors (newtype) onto line with decl --- src/Haddock/Backends/Xhtml/Decl.hs | 45 +++++++++++++++++++++++++------------- 1 file changed, 30 insertions(+), 15 deletions(-) (limited to 'src') diff --git a/src/Haddock/Backends/Xhtml/Decl.hs b/src/Haddock/Backends/Xhtml/Decl.hs index 3a401cce..286e9670 100644 --- a/src/Haddock/Backends/Xhtml/Decl.hs +++ b/src/Haddock/Backends/Xhtml/Decl.hs @@ -440,8 +440,9 @@ ppShortDataDecl summary _links _loc dataDecl unicode | [] <- cons = declElem dataHeader - | [lcon] <- cons, ResTyH98 <- resTy = declElem (dataHeader <+> equals) - <+> ppShortConstr summary (unLoc lcon) unicode + | [lcon] <- cons, ResTyH98 <- resTy, + (cHead,cBody,cFoot) <- ppShortConstrParts summary (unLoc lcon) unicode + = declElem (dataHeader <+> equals <+> cHead) +++ cBody +++ cFoot | ResTyH98 <- resTy = declElem dataHeader +++ unordList (zipWith doConstr ('=':repeat '|') cons) @@ -455,7 +456,7 @@ ppShortDataDecl summary _links _loc dataDecl unicode doGADTConstr con = ppShortConstr summary (unLoc con) unicode cons = tcdCons dataDecl - resTy = (con_res . unLoc . head) cons + resTy = (con_res . unLoc . head) cons ppDataDecl :: Bool -> LinksInfo -> [DocInstance DocName] -> [(DocName, DocForDecl DocName)] -> @@ -499,31 +500,45 @@ isRecCon lcon = case con_details (unLoc lcon) of _ -> False + ppShortConstr :: Bool -> ConDecl DocName -> Bool -> Html -ppShortConstr summary con unicode = case con_res con of +ppShortConstr summary con unicode = cHead <+> cBody <+> cFoot + where + (cHead,cBody,cFoot) = ppShortConstrParts summary con unicode + + +-- returns three pieces: header, body, footer so that header & footer can be +-- incorporated into the declaration +ppShortConstrParts :: Bool -> ConDecl DocName -> Bool -> (Html, Html, Html) +ppShortConstrParts summary con unicode = case con_res con of ResTyH98 -> case con_details con of - PrefixCon args -> header_ unicode +++ hsep (ppBinder summary occ : map (ppLParendType unicode) args) - RecCon fields -> header_ unicode +++ ppBinder summary occ <+> - doRecordFields fields - InfixCon arg1 arg2 -> header_ unicode +++ - hsep [ppLParendType unicode arg1, ppBinder summary occ, ppLParendType unicode arg2] + PrefixCon args -> + (header_ unicode +++ hsep (ppBinder summary occ : map (ppLParendType unicode) args), + noHtml, noHtml) + RecCon fields -> + (header_ unicode +++ ppBinder summary occ <+> char '{', + doRecordFields fields, + char '}') + InfixCon arg1 arg2 -> + (header_ unicode +++ hsep [ppLParendType unicode arg1, ppBinder summary occ, ppLParendType unicode arg2], + noHtml, noHtml) ResTyGADT resTy -> case con_details con of -- prefix & infix could use hsConDeclArgTys if it seemed to -- simplify the code. - PrefixCon args -> doGADTCon args resTy + PrefixCon args -> (doGADTCon args resTy, noHtml, noHtml) -- display GADT records with the new syntax, -- Constr :: (Context) => { field :: a, field2 :: b } -> Ty (a, b) -- (except each field gets its own line in docs, to match -- non-GADT records) - RecCon fields -> ppBinder summary occ <+> dcolon unicode <+> hsep [ - ppForAll forall ltvs lcontext unicode, + RecCon fields -> (ppBinder summary occ <+> dcolon unicode <+> + ppForAll forall ltvs lcontext unicode <+> char '{', doRecordFields fields, - arrow unicode <+> ppLType unicode resTy ] - InfixCon arg1 arg2 -> doGADTCon [arg1, arg2] resTy + char '}' <+> arrow unicode <+> ppLType unicode resTy) + InfixCon arg1 arg2 -> (doGADTCon [arg1, arg2] resTy, noHtml, noHtml) where - doRecordFields fields = braces $ unordList (map (ppShortField summary unicode) fields) + doRecordFields fields = unordList (map (ppShortField summary unicode) fields) doGADTCon args resTy = ppBinder summary occ <+> dcolon unicode <+> hsep [ ppForAll forall ltvs lcontext unicode, ppLType unicode (foldr mkFunTy resTy args) ] -- cgit v1.2.3