[Git][ghc/ghc][wip/ipe-sharing] base: Do not expose whereFrom# from GHC.Exts

Ben Gamari (@bgamari) gitlab at gitlab.haskell.org
Sat Nov 18 18:33:57 UTC 2023 


Ben Gamari pushed to branch wip/ipe-sharing at Glasgow Haskell Compiler / GHC


Commits:
b3b44733 by Ben Gamari at 2023-11-18T13:33:48-05:00
base: Do not expose whereFrom# from GHC.Exts

- - - - -


7 changed files:

- libraries/base/changelog.md
- libraries/base/src/GHC/Base.hs
- libraries/base/src/GHC/Exts.hs
- testsuite/tests/interface-stability/base-exports.stdout
- testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs
- testsuite/tests/interface-stability/base-exports.stdout-mingw32
- testsuite/tests/interface-stability/base-exports.stdout-ws-32


Changes:

=====================================
libraries/base/changelog.md
=====================================
@@ -28,6 +28,7 @@
     matches a `data` or `data instance` declaration) with all of its
     constructors in scope and the levity of `t` is statically known,
     then the constraint `DataToTag t` can always be solved.
+  * `GHC.Exts` no longer exports the GHC-internal `whereFrom#` primop ([CLC proposal #214](https://github.com/haskell/core-libraries-committee/issues/214))
   * `GHC.InfoProv.InfoProv` now provides a `ipUnitId :: String` field encoding the unit ID of the unit defining the info table ([CLC proposal #214](https://github.com/haskell/core-libraries-committee/issues/214))
 
 ## 4.19.0.0 *October 2023*


=====================================
libraries/base/src/GHC/Base.hs
=====================================
@@ -117,7 +117,7 @@ import GHC.Classes
 import GHC.CString
 import GHC.Magic
 import GHC.Magic.Dict
-import GHC.Prim hiding (dataToTagLarge#)
+import GHC.Prim hiding (dataToTagLarge#, whereFrom#)
   -- Hide dataToTagLarge# because it is expected to break for
   -- GHC-internal reasons in the near future, and shouldn't
   -- be exposed from base (not even GHC.Exts)


=====================================
libraries/base/src/GHC/Exts.hs
=====================================
@@ -133,10 +133,11 @@ module GHC.Exts
         maxTupleSize,
        ) where
 
-import GHC.Prim hiding ( coerce, dataToTagLarge# )
+import GHC.Prim hiding ( coerce, dataToTagLarge#, whereFrom# )
   -- Hide dataToTagLarge# because it is expected to break for
   -- GHC-internal reasons in the near future, and shouldn't
   -- be exposed from base (not even GHC.Exts)
+  -- whereFrom# is similarly internal.
 
 import GHC.Types
   hiding ( IO   -- Exported from "GHC.IO"


=====================================
testsuite/tests/interface-stability/base-exports.stdout
=====================================
@@ -4684,7 +4684,6 @@ module GHC.Base where
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
   when :: forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#
@@ -6738,7 +6737,6 @@ module GHC.Exts where
   void# :: (# #)
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#


=====================================
testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs
=====================================
@@ -4684,7 +4684,6 @@ module GHC.Base where
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
   when :: forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#
@@ -6707,7 +6706,6 @@ module GHC.Exts where
   void# :: (# #)
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#


=====================================
testsuite/tests/interface-stability/base-exports.stdout-mingw32
=====================================
@@ -4687,7 +4687,6 @@ module GHC.Base where
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
   when :: forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#
@@ -6887,7 +6886,6 @@ module GHC.Exts where
   void# :: (# #)
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#


=====================================
testsuite/tests/interface-stability/base-exports.stdout-ws-32
=====================================
@@ -4684,7 +4684,6 @@ module GHC.Base where
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
   when :: forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#
@@ -6738,7 +6737,6 @@ module GHC.Exts where
   void# :: (# #)
   waitRead# :: forall d. Int# -> State# d -> State# d
   waitWrite# :: forall d. Int# -> State# d -> State# d
-  whereFrom# :: forall a d. a -> Addr# -> State# d -> (# State# d, Int# #)
   word16ToInt16# :: Word16# -> Int16#
   word16ToWord# :: Word16# -> Word#
   word2Double# :: Word# -> Double#



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b3b447337f318471b29b1c4703ed4b3aa5386f5c

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b3b447337f318471b29b1c4703ed4b3aa5386f5c
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