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Add fix for GHC 7.4

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This commit is contained in:
Alejandro Serrano 2014-07-27 14:11:54 +02:00
parent 32367fba4c
commit e3853a49f1
1 changed files with 6 additions and 0 deletions
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6
Language/Haskell/GhcMod/FillSig.hs
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@ -112,9 +112,15 @@ getSignature modSum lineNo colNo = do
G.TypeFamily -> Open
G.DataFamily -> Data
#endif
#if __GLASGOW_HASKELL__ >= 706
getTyFamVarName = \x -> case x of
L _ (G.UserTyVar n) -> n
L _ (G.KindedTyVar n _) -> n
#else
getTyFamVarName = \x -> case x of -- In GHC 7.4, HsTyVarBndr's have an extra arg
L _ (G.UserTyVar n _) -> n
L _ (G.KindedTyVar n _ _) -> n
#endif
in return $ Just (TyFamDecl loc name flavour $ map getTyFamVarName vars)
_ -> return Nothing
where obtainClassInfo :: GhcMonad m => G.ModuleInfo -> G.Name -> SrcSpan -> m (Maybe SigInfo)