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| author | HaskellMouse <rinat.stryungis@serokell.io> | 2022-04-27 06:19:45 +0300 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-06-06 09:50:00 -0400 |
| commit | 9ce9ea5071af5c7a5b6fcef11ac6e19c14480901 (patch) | |
| tree | 7d6113e6e2eef0cefebf4302dda8ff4bec157b73 /compiler/GHC/Driver/Session.hs | |
| parent | 5a3fdcfd615b502f123bb31f42d22577d44748ac (diff) | |
| download | haskell-9ce9ea5071af5c7a5b6fcef11ac6e19c14480901.tar.gz | |
Deprecate TypeInType extension
This commit fixes #20312
It deprecates "TypeInType" extension
according to the following proposal:
https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0083-no-type-in-type.rst
It has been already implemented.
The migration strategy:
1. Disable TypeInType
2. Enable both DataKinds and PolyKinds extensions
Metric Decrease:
T16875
Diffstat (limited to 'compiler/GHC/Driver/Session.hs')
| -rw-r--r-- | compiler/GHC/Driver/Session.hs | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/compiler/GHC/Driver/Session.hs b/compiler/GHC/Driver/Session.hs index af4301cce7..627b2c69b3 100644 --- a/compiler/GHC/Driver/Session.hs +++ b/compiler/GHC/Driver/Session.hs @@ -3179,6 +3179,17 @@ deprecatedForExtension lang turn_on flag | turn_on = lang | otherwise = "No" ++ lang +deprecatedForExtensions :: [String] -> TurnOnFlag -> String +deprecatedForExtensions [] _ = panic "new extension has not been specified" +deprecatedForExtensions [lang] turn_on = deprecatedForExtension lang turn_on +deprecatedForExtensions langExts turn_on + = "use " ++ xExt flags ++ " instead" + where + flags | turn_on = langExts + | otherwise = ("No" ++) <$> langExts + + xExt fls = intercalate " and " $ (\flag -> "-X" ++ flag) <$> fls + useInstead :: String -> String -> TurnOnFlag -> String useInstead prefix flag turn_on = "Use " ++ prefix ++ no ++ flag ++ " instead" @@ -3745,7 +3756,8 @@ xFlagsDeps = [ flagSpec "TransformListComp" LangExt.TransformListComp, flagSpec "TupleSections" LangExt.TupleSections, flagSpec "TypeApplications" LangExt.TypeApplications, - flagSpec "TypeInType" LangExt.TypeInType, + depFlagSpec' "TypeInType" LangExt.TypeInType + (deprecatedForExtensions ["DataKinds", "PolyKinds"]), flagSpec "TypeFamilies" LangExt.TypeFamilies, flagSpec "TypeOperators" LangExt.TypeOperators, flagSpec "TypeSynonymInstances" LangExt.TypeSynonymInstances, |