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-rw-r--r--haddock-api/src/Haddock/GhcUtils.hs5
-rw-r--r--haddock-api/src/Haddock/Interface/Create.hs1
2 files changed, 6 insertions, 0 deletions
diff --git a/haddock-api/src/Haddock/GhcUtils.hs b/haddock-api/src/Haddock/GhcUtils.hs
index dcc1d834..4280cd80 100644
--- a/haddock-api/src/Haddock/GhcUtils.hs
+++ b/haddock-api/src/Haddock/GhcUtils.hs
@@ -88,6 +88,10 @@ filterSigNames p (ClassOpSig is_default ns ty) =
case filter (p . unLoc) ns of
[] -> Nothing
filtered -> Just (ClassOpSig is_default filtered ty)
+filterSigNames p (PatSynSig ns ty) =
+ case filter (p . unLoc) ns of
+ [] -> Nothing
+ filtered -> Just (PatSynSig filtered ty)
filterSigNames _ _ = Nothing
ifTrueJust :: Bool -> name -> Maybe name
@@ -110,6 +114,7 @@ sigNameNoLoc _ = []
isUserLSig :: LSig name -> Bool
isUserLSig (L _(TypeSig {})) = True
isUserLSig (L _(ClassOpSig {})) = True
+isUserLSig (L _(PatSynSig {})) = True
isUserLSig _ = False
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs
index 26ac0281..98d4dbe8 100644
--- a/haddock-api/src/Haddock/Interface/Create.hs
+++ b/haddock-api/src/Haddock/Interface/Create.hs
@@ -842,6 +842,7 @@ fullModuleContents dflags warnings gre (docMap, argMap, subMap, declMap, instMap
expandSig :: Sig name -> [Sig name]
expandSig (TypeSig names t) = [ TypeSig [n] t | n <- names ]
expandSig (ClassOpSig b names t) = [ ClassOpSig b [n] t | n <- names ]
+ expandSig (PatSynSig names t) = [ PatSynSig [n] t | n <- names ]
expandSig x = [x]
mkExportItem :: LHsDecl Name -> ErrMsgGhc (Maybe (ExportItem Name))