From 3b028ce3d1996f82cad8a273bcf95445238f5c6e Mon Sep 17 00:00:00 2001
From: Ryan Scott <ryan.gl.scott@gmail.com>
Date: Wed, 9 May 2018 10:42:03 -0400
Subject: DerivingVia changes

---
 haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs |  7 +------
 haddock-api/src/Haddock/Interface/Rename.hs            | 11 +++++++++--
 haddock-api/src/Haddock/Types.hs                       |  1 +
 3 files changed, 11 insertions(+), 8 deletions(-)

(limited to 'haddock-api')

diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
index 34512de8..7abb01a3 100644
--- a/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
+++ b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
@@ -211,6 +211,7 @@ classify tok =
     ITqualified            -> TkKeyword
     ITthen                 -> TkKeyword
     ITtype                 -> TkKeyword
+    ITvia                  -> TkKeyword
     ITwhere                -> TkKeyword
 
     ITforall            {} -> TkKeyword
@@ -261,9 +262,6 @@ classify tok =
     IToptions_prag      {} -> TkPragma
     ITinclude_prag      {} -> TkPragma
     ITlanguage_prag        -> TkPragma
-    ITvect_prag         {} -> TkPragma
-    ITvect_scalar_prag  {} -> TkPragma
-    ITnovect_prag       {} -> TkPragma
     ITminimal_prag      {} -> TkPragma
     IToverlappable_prag {} -> TkPragma
     IToverlapping_prag  {} -> TkPragma
@@ -408,9 +406,6 @@ inPragma False tok =
     IToptions_prag      {} -> True
     ITinclude_prag      {} -> True
     ITlanguage_prag        -> True
-    ITvect_prag         {} -> True
-    ITvect_scalar_prag  {} -> True
-    ITnovect_prag       {} -> True
     ITminimal_prag      {} -> True
     IToverlappable_prag {} -> True
     IToverlapping_prag  {} -> True
diff --git a/haddock-api/src/Haddock/Interface/Rename.hs b/haddock-api/src/Haddock/Interface/Rename.hs
index 5684e70a..c07f8300 100644
--- a/haddock-api/src/Haddock/Interface/Rename.hs
+++ b/haddock-api/src/Haddock/Interface/Rename.hs
@@ -560,13 +560,20 @@ renameDerivD :: DerivDecl GhcRn -> RnM (DerivDecl DocNameI)
 renameDerivD (DerivDecl { deriv_type = ty
                         , deriv_strategy = strat
                         , deriv_overlap_mode = omode }) = do
-  ty' <- renameLSigWcType ty
+  ty'    <- renameLSigWcType ty
+  strat' <- mapM (mapM renameDerivStrategy) strat
   return (DerivDecl { deriv_ext = noExt
                     , deriv_type = ty'
-                    , deriv_strategy = strat
+                    , deriv_strategy = strat'
                     , deriv_overlap_mode = omode })
 renameDerivD (XDerivDecl _) = panic "haddock:renameDerivD"
 
+renameDerivStrategy :: DerivStrategy GhcRn -> RnM (DerivStrategy DocNameI)
+renameDerivStrategy StockStrategy    = pure StockStrategy
+renameDerivStrategy AnyclassStrategy = pure AnyclassStrategy
+renameDerivStrategy NewtypeStrategy  = pure NewtypeStrategy
+renameDerivStrategy (ViaStrategy ty) = ViaStrategy <$> renameLSigType ty
+
 renameClsInstD :: ClsInstDecl GhcRn -> RnM (ClsInstDecl DocNameI)
 renameClsInstD (ClsInstDecl { cid_overlap_mode = omode
                             , cid_poly_ty =ltype, cid_tyfam_insts = lATs
diff --git a/haddock-api/src/Haddock/Types.hs b/haddock-api/src/Haddock/Types.hs
index e4d79760..1f96abc0 100644
--- a/haddock-api/src/Haddock/Types.hs
+++ b/haddock-api/src/Haddock/Types.hs
@@ -725,6 +725,7 @@ type instance XCFamEqn       DocNameI _ _ = NoExt
 
 type instance XCClsInstDecl DocNameI = NoExt
 type instance XCDerivDecl   DocNameI = NoExt
+type instance XViaStrategy  DocNameI = LHsSigType DocNameI
 type instance XDataFamInstD DocNameI = NoExt
 type instance XTyFamInstD   DocNameI = NoExt
 type instance XClsInstD     DocNameI = NoExt
-- 
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