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.

3 files changed, 16 insertions, 10 deletions

diff --git a/haddock-api/src/Haddock/Backends/Hoogle.hs b/haddock-api/src/Haddock/Backends/Hoogle.hs
index f6ad9808..42887834 100644
--- a/haddock-api/src/Haddock/Backends/Hoogle.hs
+++ b/haddock-api/src/Haddock/Backends/Hoogle.hs
@@ -245,8 +245,8 @@ ppCtor dflags dat subdocs con
         f (PrefixCon args) = [typeSig name $ args ++ [resType]]
         f (InfixCon a1 a2) = f $ PrefixCon [a1,a2]
         f (RecCon (L _ recs)) = f (PrefixCon $ map cd_fld_type (map unLoc recs)) ++ concat
-                          [(concatMap (lookupCon dflags subdocs) (cd_fld_names r)) ++
-                           [out dflags (map unL $ cd_fld_names r) `typeSig` [resType, cd_fld_type r]]
+                          [(concatMap (lookupCon dflags subdocs . noLoc . selectorFieldOcc . unLoc) (cd_fld_names r)) ++
+                           [out dflags (map (selectorFieldOcc . unLoc) $ cd_fld_names r) `typeSig` [resType, cd_fld_type r]]
                           | r <- map unLoc recs]
 
         funs = foldr1 (\x y -> reL $ HsFunTy (makeExplicitL x) (makeExplicitL y))
diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs
index 75ad51ab..eae450a4 100644
--- a/haddock-api/src/Haddock/Backends/LaTeX.hs
+++ b/haddock-api/src/Haddock/Backends/LaTeX.hs
@@ -25,9 +25,10 @@ import qualified Pretty
 import GHC
 import OccName
 import Name                 ( nameOccName )
-import RdrName              ( rdrNameOcc )
+import RdrName              ( rdrNameOcc, mkRdrUnqual )
 import FastString           ( unpackFS, unpackLitString, zString )
 import Outputable           ( panic)
+import PrelNames            ( mkUnboundName )
 
 import qualified Data.Map as Map
 import System.Directory
@@ -688,12 +689,12 @@ ppSideBySideConstr subdocs unicode leader (L _ con) =
 
 ppSideBySideField :: [(DocName, DocForDecl DocName)] -> Bool -> ConDeclField DocName ->  LaTeX
 ppSideBySideField subdocs unicode (ConDeclField names ltype _) =
-  decltt (cat (punctuate comma (map (ppBinder . nameOccName . getName . unL) names))
+  decltt (cat (punctuate comma (map (ppBinder . rdrNameOcc . rdrNameFieldOcc . unLoc) names))
     <+> dcolon unicode <+> ppLType unicode ltype) <-> rDoc 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 >>= fmap _doc . combineDocumentation . fst
+    mbDoc = lookup (selectorFieldOcc $ unLoc $ head names) subdocs >>= fmap _doc . combineDocumentation . fst
 
 -- {-
 -- ppHsFullConstr :: HsConDecl -> LaTeX
@@ -902,7 +903,9 @@ ppr_mono_ty ctxt_prec (HsForAllTy expl extra tvs ctxt ty) unicode
   = maybeParen ctxt_prec pREC_FUN $
     hsep [ppForAll expl tvs ctxt' unicode, ppr_mono_lty pREC_TOP ty unicode]
  where
-   anonWC = HsWildCardTy (AnonWildCard PlaceHolder)
+   anonWC :: HsType DocName
+   anonWC = HsWildCardTy (AnonWildCard (Undocumented underscore))
+   underscore = mkUnboundName (mkRdrUnqual (mkTyVarOcc "_"))
    ctxt'
      | Just loc <- extra = (++ [L loc anonWC]) `fmap` ctxt
      | otherwise         = ctxt
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
index bc16bdcd..89b822d6 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)]
@@ -848,18 +850,18 @@ 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
 
 
@@ -981,7 +983,8 @@ 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