[Git][ghc/ghc][wip/clc216] base: Deprecate GHC.Desugar

[Rodrigo Mesquita (@alt-romes)]

Rodrigo Mesquita pushed to branch wip/clc216 at Glasgow Haskell Compiler / GHC


Commits:
93e96f5a by Ben Gamari at 2024-07-30T17:04:03+01:00
base: Deprecate GHC.Desugar

See https://github.com/haskell/core-libraries-committee/issues/216.

This will be removed in GHC 9.12.

- - - - -


3 changed files:

- libraries/base/base.cabal
- libraries/base/changelog.md
- libraries/base/src/GHC/Desugar.hs


Changes:

=====================================
libraries/base/base.cabal
=====================================
@@ -55,6 +55,7 @@ Library
         , Data.Ratio
         , Data.STRef.Lazy
         , Data.Semigroup
+        , GHC.Desugar
         , Prelude
         , Text.Printf
         , System.CPUTime
@@ -156,7 +157,6 @@ Library
         , GHC.Conc.Sync
         , GHC.ConsoleHandler
         , GHC.Constants
-        , GHC.Desugar
         , GHC.Encoding.UTF8
         , GHC.Enum
         , GHC.Environment


=====================================
libraries/base/changelog.md
=====================================
@@ -1,6 +1,7 @@
 # Changelog for [`base` package](http://hackage.haskell.org/package/base)
 
 ## 4.21.0.0 *TBA*
+  * `GHC.Desugar` has been deprecated and should be removed in GHC 9.12. ([CLC proposal #216](https://github.com/haskell/core-libraries-committee/issues/216))
   * Add a `readTixFile` field to the `HpcFlags` record in `GHC.RTS.Flags` ([CLC proposal #276](https://github.com/haskell/core-libraries-committee/issues/276))
   * Add `compareLength` to `Data.List` and `Data.List.NonEmpty` ([CLC proposal #257](https://github.com/haskell/core-libraries-committee/issues/257))
   * Add `INLINE[1]` to `compareInt` / `compareWord` ([CLC proposal #179](https://github.com/haskell/core-libraries-committee/issues/179))
@@ -51,6 +52,7 @@
   * Implement `many` and `some` methods of `instance Alternative (Compose f g)` explicitly. ([CLC proposal #181](https://github.com/haskell/core-libraries-committee/issues/181))
   * Change the types of the `GHC.Stack.StackEntry.closureType` and `GHC.InfoProv.InfoProv.ipDesc` record fields to use `GHC.Exts.Heap.ClosureType` rather than an `Int`.
     To recover the old value use `fromEnum`. ([CLC proposal #210](https://github.com/haskell/core-libraries-committee/issues/210))
+
   * The functions `GHC.Exts.dataToTag#` and `GHC.Base.getTag` have had
     their types changed to the following:
 


=====================================
libraries/base/src/GHC/Desugar.hs
=====================================
@@ -1,6 +1,8 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE Safe #-}
 {-# OPTIONS_HADDOCK not-home #-}
 
+-----------------------------------------------------------------------------
 -- |
 --
 -- Module      :  GHC.Desugar
@@ -8,7 +10,7 @@
 -- License     :  see libraries/base/LICENSE
 --
 -- Maintainer  :  ghc-devs at haskell.org
--- Stability   :  internal
+-- Stability   :  deprecated (<https://github.com/haskell/core-libraries-committee/issues/216>)
 -- Portability :  non-portable (GHC extensions)
 --
 -- Support code for desugaring in GHC
@@ -18,11 +20,14 @@
 -- bound, e.g., @base < 4.X@ rather than @base < 5@, because the interface can
 -- change rapidly without much warning.
 --
+-----------------------------------------------------------------------------
+
+#if __GLASGOW_HASKELL >= 912
+#error "GHC.Desugar should be removed in GHC 9.12"
+#endif
 
 module GHC.Desugar
-    ((>>>),
-     AnnotationWrapper(..),
-     toAnnotationWrapper
-     ) where
+  {-# DEPRECATED ["GHC.Desugar is deprecated and should be removed in GHC 9.12.", "(>>>) should be imported from Control.Arrow.", "AnnotationWrapper is internal to GHC and should not be used externally."] #-}
+  ((>>>), AnnotationWrapper(..), toAnnotationWrapper) where
 
 import GHC.Internal.Desugar



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/93e96f5a2d76db29a89374734823b8ba05e58879

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/93e96f5a2d76db29a89374734823b8ba05e58879
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