From fb11671ea6927db9b4f48d8e59546218c90acdca Mon Sep 17 00:00:00 2001
From: Max Bolingbroke <batterseapower@hotmail.com>
Date: Tue, 23 Aug 2011 10:20:54 +0100
Subject: Remaining fixes for PredTy removal

---
 src/Haddock/Backends/Xhtml/Decl.hs | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

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

diff --git a/src/Haddock/Backends/Xhtml/Decl.hs b/src/Haddock/Backends/Xhtml/Decl.hs
index add926ab..eb1219f4 100644
--- a/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/src/Haddock/Backends/Xhtml/Decl.hs
@@ -32,9 +32,9 @@ import qualified Data.Map as Map
 import           Data.Maybe
 import           Text.XHtml hiding     ( name, title, p, quote )
 
-import BasicTypes            ( IPName(..), Boxity(..) )
 import GHC
 import Name
+import BasicTypes            ( ipNameName )
 import Outputable            ( ppr, showSDoc, Outputable )
 
 
@@ -301,7 +301,7 @@ ppContextNoArrow []  _       _     = noHtml
 ppContextNoArrow cxt unicode qual = pp_hs_context (map unLoc cxt) unicode qual
 
 
-ppContextNoLocs :: [HsPred DocName] -> Bool -> Qualification -> Html
+ppContextNoLocs :: [HsType DocName] -> Bool -> Qualification -> Html
 ppContextNoLocs []  _       _     = noHtml
 ppContextNoLocs cxt unicode qual = pp_hs_context cxt unicode qual 
     <+> darrow unicode
@@ -311,18 +311,10 @@ ppContext :: HsContext DocName -> Bool -> Qualification -> Html
 ppContext cxt unicode qual = ppContextNoLocs (map unLoc cxt) unicode qual
 
 
-pp_hs_context :: [HsPred DocName] -> Bool -> Qualification-> Html
+pp_hs_context :: [HsType DocName] -> Bool -> Qualification-> Html
 pp_hs_context []  _       _     = noHtml
-pp_hs_context [p] unicode qual = ppPred unicode qual p
-pp_hs_context cxt unicode qual = parenList (map (ppPred unicode qual) cxt)
-
-
-ppPred :: Bool -> Qualification -> HsPred DocName -> Html
-ppPred unicode qual (HsClassP n ts) = ppAppNameTypes n (map unLoc ts) unicode qual
-ppPred unicode qual (HsEqualP t1 t2) = ppLType unicode qual t1 <+> toHtml "~"
-    <+> ppLType unicode qual t2
-ppPred unicode qual (HsIParam (IPName n) t)
-  = toHtml "?" +++ ppDocName qual n <+> dcolon unicode <+> ppLType unicode qual t
+pp_hs_context [p] unicode qual = ppType unicode qual p
+pp_hs_context cxt unicode qual = parenList (map (ppType unicode qual) cxt)
 
 
 -------------------------------------------------------------------------------
@@ -330,7 +322,7 @@ ppPred unicode qual (HsIParam (IPName n) t)
 -------------------------------------------------------------------------------
 
 
-ppClassHdr :: Bool -> Located [LHsPred DocName] -> DocName
+ppClassHdr :: Bool -> Located [LHsType DocName] -> DocName
            -> [Located (HsTyVarBndr DocName)] -> [Located ([DocName], [DocName])]
            -> Bool -> Qualification -> Html
 ppClassHdr summ lctxt n tvs fds unicode qual =
@@ -653,9 +645,9 @@ ppBang _        = toHtml "!" -- Unpacked args is an implementation detail,
                              -- so we just show the strictness annotation
 
 
-tupleParens :: Boxity -> [Html] -> Html
-tupleParens Boxed   = parenList
-tupleParens Unboxed = ubxParenList
+tupleParens :: HsTupleSort -> [Html] -> Html
+tupleParens (HsBoxyTuple _) = parenList
+tupleParens HsUnboxedTuple  = ubxParenList
 
 
 --------------------------------------------------------------------------------
@@ -724,7 +716,7 @@ ppr_mono_ty _         (HsKindSig ty kind) u q =
     parens (ppr_mono_lty pREC_TOP ty u q <+> dcolon u <+> ppKind kind)
 ppr_mono_ty _         (HsListTy ty)       u q = brackets (ppr_mono_lty pREC_TOP ty u q)
 ppr_mono_ty _         (HsPArrTy ty)       u q = pabrackets (ppr_mono_lty pREC_TOP ty u q)
-ppr_mono_ty _         (HsPredTy p)        u q = parens (ppPred u q p)
+ppr_mono_ty _         (HsIParamTy n ty)   u q = brackets (ppDocName q (ipNameName n) <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u q)
 ppr_mono_ty _         (HsSpliceTy {})     _ _ = error "ppr_mono_ty HsSpliceTy"
 #if __GLASGOW_HASKELL__ == 612
 ppr_mono_ty _         (HsSpliceTyOut {})  _ _ = error "ppr_mono_ty HsQuasiQuoteTy"
@@ -734,6 +726,10 @@ ppr_mono_ty _         (HsQuasiQuoteTy {}) _ _ = error "ppr_mono_ty HsQuasiQuoteT
 ppr_mono_ty _         (HsRecTy {})        _ _ = error "ppr_mono_ty HsRecTy"
 ppr_mono_ty _         (HsCoreTy {})       _ _ = error "ppr_mono_ty HsCoreTy"
 
+ppr_mono_ty ctxt_prec (HsEqTy ty1 ty2) unicode qual
+  = maybeParen ctxt_prec pREC_OP $
+    ppr_mono_lty pREC_OP ty1 unicode qual <+> char '~' <+> ppr_mono_lty pREC_OP ty2 unicode qual
+
 ppr_mono_ty ctxt_prec (HsAppTy fun_ty arg_ty) unicode qual
   = maybeParen ctxt_prec pREC_CON $
     hsep [ppr_mono_lty pREC_FUN fun_ty unicode qual, ppr_mono_lty pREC_CON arg_ty unicode qual]
-- 
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