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Compatibility with ghc API >= 7.7

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Schell Scivally 2013-11-12 15:44:34 -08:00 committed by Kazu Yamamoto
parent 6999d1b0fb
commit b8e20d8e2e
3 changed files with 27 additions and 7 deletions
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2
Language/Haskell/GhcMod/ErrMsg.hs
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@ -55,7 +55,7 @@ errBagToStrList dflag ls = map (ppErrMsg dflag ls) . reverse . bagToList
ppErrMsg :: DynFlags -> LineSeparator -> ErrMsg -> String
ppErrMsg dflag ls err = ppMsg spn SevError dflag ls msg ++ ext
where
spn = head (errMsgSpans err)
spn = errMsgSpan err
msg = errMsgShortDoc err
ext = showMsg dflag ls (errMsgExtraInfo err)

7
Language/Haskell/GhcMod/Gap.hs
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@ -258,9 +258,9 @@ infoThing str = do
return $ vcat (intersperse (text "") $ map (pprInfo False) filtered)
#if __GLASGOW_HASKELL__ >= 707
pprInfo :: PrintExplicitForalls -> (TyThing, GHC.Fixity, [ClsInst], [FamInst]) -> SDoc
pprInfo pefas (thing, fixity, insts, famInsts)
= pprTyThingInContextLoc pefas thing
pprInfo :: Bool -> (TyThing, GHC.Fixity, [ClsInst], [FamInst]) -> SDoc
pprInfo _ (thing, fixity, insts, famInsts)
= pprTyThingInContextLoc thing
$$ show_fixity fixity
$$ InstEnv.pprInstances insts
$$ pprFamInsts famInsts
@ -279,3 +279,4 @@ pprInfo pefas (thing, fixity, insts)
| fx == defaultFixity = Outputable.empty
| otherwise = ppr fx <+> ppr (getName thing)
#endif

25
Language/Haskell/GhcMod/Info.hs
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@ -1,4 +1,4 @@
{-# LANGUAGE TupleSections, FlexibleInstances, TypeSynonymInstances #-}
{-# LANGUAGE TupleSections, FlexibleInstances, TypeSynonymInstances, CPP #-}
{-# LANGUAGE Rank2Types #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
@ -65,6 +65,19 @@ info opt cradle file modstr expr =
----------------------------------------------------------------
#if __GLASGOW_HASKELL__ >= 707
instance HasType (LHsExpr Id) where
getType tcm e = do
hs_env <- getSession
(_, mbe) <- Gap.liftIO $ deSugarExpr hs_env modu rn_env ty_env fi_env e
return $ (getLoc e, ) <$> CoreUtils.exprType <$> mbe
where
modu = ms_mod $ pm_mod_summary $ tm_parsed_module tcm
tcgEnv = fst $ tm_internals_ tcm
rn_env = tcg_rdr_env tcgEnv
ty_env = tcg_type_env tcgEnv
fi_env = tcg_fam_inst_env tcgEnv
#else
instance HasType (LHsExpr Id) where
getType tcm e = do
hs_env <- getSession
@ -72,8 +85,10 @@ instance HasType (LHsExpr Id) where
return $ (getLoc e, ) <$> CoreUtils.exprType <$> mbe
where
modu = ms_mod $ pm_mod_summary $ tm_parsed_module tcm
rn_env = tcg_rdr_env $ fst $ tm_internals_ tcm
ty_env = tcg_type_env $ fst $ tm_internals_ tcm
tcgEnv = fst $ tm_internals_ tcm
rn_env = tcg_rdr_env tcgEnv
ty_env = tcg_type_env tcgEnv
#endif
instance HasType (LPat Id) where
getType _ (L spn pat) = return $ Just (spn, hsPatType pat)
@ -137,7 +152,11 @@ listifyStaged :: Typeable r => Stage -> (r -> Bool) -> GenericQ [r]
listifyStaged s p = everythingStaged s (++) [] ([] `mkQ` (\x -> [x | p x]))
pretty :: DynFlags -> Type -> String
#if __GLASGOW_HASKELL__ >= 707
pretty dflag = showUnqualifiedOneLine dflag . pprTypeForUser
#else
pretty dflag = showUnqualifiedOneLine dflag . pprTypeForUser False
#endif
----------------------------------------------------------------