From 85b7ed6147c18611b5ef6b606f157086a8203e7d Mon Sep 17 00:00:00 2001
From: Adam Gundry <adam@well-typed.com>
Date: Fri, 16 Oct 2015 16:26:42 +0100
Subject: Roughly fix up haddock for DuplicateRecordFields changes

This compiles, but will probably need more work to produce good
documentation when the DuplicateRecordFields extension is used.
---
 haddock-api/src/Haddock/Backends/Xhtml/Decl.hs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'haddock-api/src/Haddock/Backends/Xhtml/Decl.hs')

diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
index 56b64120..f94daabf 100644
--- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
@@ -38,6 +38,8 @@ import GHC
 import GHC.Exts
 import Name
 import BooleanFormula
+import RdrName ( rdrNameOcc, mkRdrUnqual )
+import PrelNames            ( mkUnboundName )
 
 ppDecl :: Bool -> LinksInfo -> LHsDecl DocName
        -> DocForDecl DocName -> [DocInstance DocName] -> [(DocName, Fixity)]
@@ -741,18 +743,18 @@ ppSideBySideConstr subdocs fixities unicode qual (L _ con) = (decl, mbDoc, field
 ppSideBySideField :: [(DocName, DocForDecl DocName)] -> Unicode -> Qualification
                   -> ConDeclField DocName -> SubDecl
 ppSideBySideField subdocs unicode qual (ConDeclField names ltype _) =
-  (hsep (punctuate comma (map ((ppBinder False) . nameOccName . getName . unL) names)) <+> dcolon unicode <+> ppLType unicode qual ltype,
+  (hsep (punctuate comma (map ((ppBinder False) . rdrNameOcc . rdrNameFieldOcc . unLoc) names)) <+> dcolon unicode <+> ppLType unicode qual ltype,
     mbDoc,
     [])
   where
     -- don't use cd_fld_doc for same reason we don't use con_doc above
     -- Where there is more than one name, they all have the same documentation
-    mbDoc = lookup (unL $ head names) subdocs >>= combineDocumentation . fst
+    mbDoc = lookup (selectorFieldOcc $ unLoc $ head names) subdocs >>= combineDocumentation . fst
 
 
 ppShortField :: Bool -> Unicode -> Qualification -> ConDeclField DocName -> Html
 ppShortField summary unicode qual (ConDeclField names ltype _)
-  = hsep (punctuate comma (map ((ppBinder summary) . nameOccName . getName . unL) names))
+  = hsep (punctuate comma (map ((ppBinder summary) . rdrNameOcc . rdrNameFieldOcc . unLoc) names))
     <+> dcolon unicode <+> ppLType unicode qual ltype
 
 
@@ -874,7 +876,8 @@ ppr_mono_ty ctxt_prec (HsForAllTy expl extra tvs ctxt ty) unicode qual
   = maybeParen ctxt_prec pREC_FUN $ ppForAllCon expl tvs ctxt' unicode qual
                                     <+> ppr_mono_lty pREC_TOP ty unicode qual
  where
-   anonWC = HsWildCardTy (AnonWildCard PlaceHolder)
+   anonWC = HsWildCardTy (AnonWildCard (Undocumented underscore))
+   underscore = mkUnboundName (mkRdrUnqual (mkTyVarOcc "_"))
    ctxt'
      | Just loc <- extra = (++ [L loc anonWC]) `fmap` ctxt
      | otherwise         = ctxt
-- 
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