GHC 9.14 support

.github/workflows/ci.yml

@@ -9,8 +9,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v21
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/install-nix-action@v31
+      - uses: cachix/cachix-action@v15
         with:
           name: guibou
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

.github/workflows/master.yml

@@ -8,12 +8,12 @@ jobs:
   nix_matrix:
     strategy:
       matrix:
-        ghc: [90, 92, 94, 96, 98, 910, 912]
+        ghc: [94, 96, 98, 910, 912, 914]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v21
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/install-nix-action@v31
+      - uses: cachix/cachix-action@v15
         with:
           name: guibou
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -23,7 +23,8 @@ jobs:
   stack_build:
     strategy:
       matrix:
-        resolver: [lts-14.27, # 8.6
+        resolver: [
+          lts-14.27, # 8.6
           lts-16.31, # 8.8
           lts-17.1, # 8.10
           lts-19.1, # 9.0

PyF.cabal

@@ -31,14 +31,14 @@ library
     PyF.Internal.QQ
 
   build-depends:
-    , base              >=4.12   && <4.22
+    , base              >=4.12   && <4.23
     , bytestring        >=0.10.8 && <0.13
     , ghc               >=8.6.1
     , mtl               >=2.2.2  && <2.4
     , parsec            >=3.1.13 && <3.2
-    , template-haskell  >=2.14.0 && <2.24
+    , template-haskell  >=2.14.0 && <2.25
     , text              >=1.2.3  && <2.2
-    , time              >=1.8.0  && <1.15
+    , time              >=1.8.0  && <1.16
 
   if impl(ghc <9.2.1)
     build-depends: ghc-boot >=8.6.1 && <9.7

flake.nix

@@ -2,7 +2,7 @@
   description = "PyF";
 
   inputs.flake-utils.url = "github:numtide/flake-utils";
-  inputs.nixpkgs.url = "github:nixos/nixpkgs/haskell-updates";
+  inputs.nixpkgs.url = "github:guibou/nixpkgs/ghc-914";
   inputs.treefmt-nix.url = "github:numtide/treefmt-nix";
 
   nixConfig.extra-substituters = [ "https://guibou.cachix.org" ];
@@ -53,9 +53,6 @@
       rec {
         checks = {
           inherit (packages)
-            pyf_810
-            pyf_90
-            pyf_92
             pyf_94
             pyf_96
             pyf_98
@@ -68,17 +65,15 @@
 
         packages = {
           # GHC 8.6 is tested with stack, I'm stopping the testing with nix.
-          # GHC 8.8 is not in nixpkgs anymore.
+          # GHC 8.6..9.2 are not in nixpkgs anymore.
 
-          pyf_810 = pyfBuilder haskell.packages.ghc810;
-          pyf_90 = pyfBuilder haskell.packages.ghc90;
-          pyf_92 = pyfBuilder haskell.packages.ghc92;
           pyf_94 = pyfBuilder haskell.packages.ghc94;
           pyf_96 = pyfBuilder haskell.packages.ghc96;
           pyf_98 = pkgs.haskell.lib.dontCheck (pyfBuilder haskell.packages.ghc98);
 
           pyf_910 = pyfBuilder haskell.packages.ghc910;
           pyf_912 = pyfBuilder haskell.packages.ghc912;
+          pyf_914 = pyfBuilder haskell.packages.ghc914;
 
           default = pyfBuilder haskellPackages;
         };

src/PyF/Internal/Meta.hs

@@ -6,6 +6,8 @@
 
 module PyF.Internal.Meta (toExp, baseDynFlags, toName) where
 
+import qualified Data.List.NonEmpty as NE
+
 #if MIN_VERSION_ghc(9,2,0)
 import GHC.Hs.Type (HsWildCardBndrs (..), HsType (..), HsSigType(HsSig), sig_body)
 #elif MIN_VERSION_ghc(9,0,0)
@@ -95,8 +97,13 @@ toLit (HsIntPrim _ i) = TH.IntPrimL i
 toLit (HsWordPrim _ i) = TH.WordPrimL i
 toLit (HsInt64Prim _ i) = TH.IntegerL i
 toLit (HsWord64Prim _ i) = TH.WordPrimL i
-toLit (HsInteger _ i _) = TH.IntegerL i
+#if MIN_VERSION_ghc(9,13,0)
+-- toLit (HsRat _ f _) = TH.FloatPrimL (fl_value f)
+-- toLit (HsInteger _ i _) = TH.IntegerL i
+#else
 toLit (HsRat _ f _) = TH.FloatPrimL (fl_value f)
+toLit (HsInteger _ i _) = TH.IntegerL i
+#endif
 toLit (HsFloatPrim _ f) = TH.FloatPrimL (fl_value f)
 toLit (HsDoublePrim _ f) = TH.DoublePrimL (fl_value f)
 #if MIN_VERSION_ghc(9,7,0)
@@ -150,13 +157,16 @@ toExp _ (Expr.HsVar _ n) =
    in if isRdrDataCon n'
         then TH.ConE (toName n')
         else TH.VarE (toName n')
-#if MIN_VERSION_ghc(9,6,0)
+#if MIN_VERSION_ghc(9, 13, 0)
+
+#elif MIN_VERSION_ghc(9,6,0)
 toExp _ (Expr.HsUnboundVar _ n)              = TH.UnboundVarE (TH.mkName . occNameString . rdrNameOcc $ n)
 #elif MIN_VERSION_ghc(9,0,0)
 toExp _ (Expr.HsUnboundVar _ n)              = TH.UnboundVarE (TH.mkName . occNameString $ n)
 #else
 toExp _ (Expr.HsUnboundVar _ n)              = TH.UnboundVarE (TH.mkName . occNameString . Expr.unboundVarOcc $ n)
 #endif
+
 toExp _ Expr.HsIPVar {} = noTH "toExp" "HsIPVar"
 toExp _ (Expr.HsLit _ l) = TH.LitE (toLit l)
 toExp _ (Expr.HsOverLit _ OverLit {ol_val}) = TH.LitE (toLit' ol_val)
@@ -179,8 +189,10 @@ toExp d (Expr.ExprWithTySig HsWC{hswc_body=HsIB{hsib_body}} e) = TH.SigE (toExp
 #endif
 toExp d (Expr.OpApp _ e1 o e2) = TH.UInfixE (toExp d . unLoc $ e1) (toExp d . unLoc $ o) (toExp d . unLoc $ e2)
 toExp d (Expr.NegApp _ e _) = TH.AppE (TH.VarE 'negate) (toExp d . unLoc $ e)
+#if MIN_VERSION_ghc(9,13,0)
+toExp d (Expr.HsLam _ _ (Expr.MG _ (unLoc -> (map unLoc -> [Expr.Match _ _ (unLoc -> map unLoc -> ps) (Expr.GRHSs _ (NE.toList -> [unLoc -> Expr.GRHS _ _ (unLoc -> e)]) _)])))) = TH.LamE (fmap (toPat d) ps) (toExp d e)
+#elif MIN_VERSION_ghc(9,12,0)
 -- NOTE: for lambda, there is only one match
-#if MIN_VERSION_ghc(9,12,0)
 toExp d (Expr.HsLam _ _ (Expr.MG _ (unLoc -> (map unLoc -> [Expr.Match _ _ (unLoc -> map unLoc -> ps) (Expr.GRHSs _ [unLoc -> Expr.GRHS _ _ (unLoc -> e)] _)])))) = TH.LamE (fmap (toPat d) ps) (toExp d e)
 #elif MIN_VERSION_ghc(9,10,0)
 toExp d (Expr.HsLam _ _ (Expr.MG _ (unLoc -> (map unLoc -> [Expr.Match _ _ (map unLoc -> ps) (Expr.GRHSs _ [unLoc -> Expr.GRHS _ _ (unLoc -> e)] _)])))) = TH.LamE (fmap (toPat d) ps) (toExp d e)

src/PyF/Internal/ParserEx.hs

@@ -96,16 +96,28 @@ import OccName
 import GHC.Driver.Config.Parser (initParserOpts)
 #endif
 
+#if MIN_VERSION_ghc(9,13,0)
+import GHC.Unit.Types (UnitId(..))
+#endif
+
 import Data.Maybe
 
 fakeSettings :: Settings
 fakeSettings = Settings
-#if MIN_VERSION_ghc(9, 2, 0)
+#if MIN_VERSION_ghc(9, 13, 0)
   { sGhcNameVersion=ghcNameVersion
   , sFileSettings=fileSettings
   , sTargetPlatform=platform
+  , sToolSettings=toolSettings
   , sPlatformMisc=platformMisc
+  , sUnitSettings = UnitSettings (UnitId $ fsLit "pyf-preprocessor")
+  }
+#elif MIN_VERSION_ghc(9, 2, 0)
+  { sGhcNameVersion=ghcNameVersion
+  , sFileSettings=fileSettings
+  , sTargetPlatform=platform
   , sToolSettings=toolSettings
+  , sPlatformMisc=platformMisc
   }
 #elif MIN_VERSION_ghc(8, 10, 0)
   { sGhcNameVersion=ghcNameVersion

src/PyF/Internal/QQ.hs

@@ -27,6 +27,8 @@ module PyF.Internal.QQ
   )
 where
 
+import qualified Data.List.NonEmpty as NE
+
 import Control.Monad.Reader
 import Data.Data (Data (gmapQ), Typeable, cast)
 import Data.Kind
@@ -196,7 +198,13 @@ findFreeVariables item = allNames
       Just (HsVar _ l) -> [l]
 #endif
 
-#if MIN_VERSION_ghc(9,12,0)
+#if MIN_VERSION_ghc(9,13,0)
+      Just (HsLam _ _ (MG _ (unLoc -> (map unLoc -> [Expr.Match _ _ (unLoc -> map unLoc -> ps) (GRHSs _ (NE.toList -> [unLoc -> GRHS _ _ (unLoc -> e)]) _)])))) -> filter keepVar subVars
+        where
+          keepVar (L _ n) = n `notElem` subPats
+          subVars = concat $ gmapQ f [e]
+          subPats = concat $ gmapQ findPats ps
+#elif MIN_VERSION_ghc(9,12,0)
       Just (HsLam _ _ (MG _ (unLoc -> (map unLoc -> [Expr.Match _ _ (unLoc -> map unLoc -> ps) (GRHSs _ [unLoc -> GRHS _ _ (unLoc -> e)] _)])))) -> filter keepVar subVars
         where
           keepVar (L _ n) = n `notElem` subPats
@@ -273,7 +281,10 @@ unsafeRunTcM m = Q (unsafeCoerce m)
 reportErrorAt :: SrcSpan -> String -> Q ()
 reportErrorAt loc msg = unsafeRunTcM $ addErrAt loc msg'
   where
-#if MIN_VERSION_ghc(9,7,0)
+#if MIN_VERSION_ghc(9,13,0)
+    -- TODO: maybe leverage the "hint" logic to add additionnal hints here?
+    msg' = TcRnUnknownMessage (UnknownDiagnostic (const NoDiagnosticOpts) (\x -> x) (mkPlainError noHints (text msg)))
+#elif MIN_VERSION_ghc(9,7,0)
     msg' = TcRnUnknownMessage (UnknownDiagnostic (const NoDiagnosticOpts) (mkPlainError noHints (text msg)))
 #elif MIN_VERSION_ghc(9,6,0)
     msg' = TcRnUnknownMessage (UnknownDiagnostic $ mkPlainError noHints $