Use quantified constraints in OptionsGrammar

.github/workflows/haskell-ci.yml

@@ -264,7 +264,7 @@ jobs:
         run: |
           perl -i -e 'while (<ARGV>) { print unless /package-id\s+(base-compat-batteries|bs-cmpt-bttrs)-\d+(\.\d+)*/; }' .ghc.environment.*
           if [ $((HCNUMVER < 90000)) -ne 0 ] ; then cd ${PKGDIR_haskell_ci} || false ; fi
-          if [ $((HCNUMVER < 90000)) -ne 0 ] ; then doctest --fast -XHaskell2010 -XBangPatterns -XDeriveAnyClass -XDeriveFoldable -XDeriveFunctor -XDeriveGeneric -XDeriveTraversable -XDerivingStrategies -XGeneralizedNewtypeDeriving -XNoImplicitPrelude -XScopedTypeVariables -XTypeOperators src ; fi
+          if [ $((HCNUMVER < 90000)) -ne 0 ] ; then doctest --fast -XHaskell2010 -XBangPatterns -XConstraintKinds -XDataKinds -XDeriveAnyClass -XDeriveFoldable -XDeriveFunctor -XDeriveGeneric -XDeriveTraversable -XDerivingStrategies -XFlexibleContexts -XFlexibleInstances -XFunctionalDependencies -XGADTs -XGeneralizedNewtypeDeriving -XMultiWayIf -XNoImplicitPrelude -XQuantifiedConstraints -XRankNTypes -XScopedTypeVariables -XTypeApplications -XTypeOperators -XUndecidableInstances -XUndecidableSuperClasses -XViewPatterns src ; fi
           if [ $((HCNUMVER < 90000)) -ne 0 ] ; then cd ${PKGDIR_cabal_install_parsers} || false ; fi
           if [ $((HCNUMVER < 90000)) -ne 0 ] ; then doctest --fast -XHaskell2010 src ; fi
       - name: docspec

haskell-ci.cabal

@@ -67,9 +67,37 @@ flag ShellCheck
   default: True
   manual:  True
 
-library haskell-ci-internal
+common language
   default-language:   Haskell2010
-  hs-source-dirs:     src
+  default-extensions:
+    BangPatterns
+    ConstraintKinds
+    DataKinds
+    DeriveAnyClass
+    DeriveFoldable
+    DeriveFunctor
+    DeriveGeneric
+    DeriveTraversable
+    DerivingStrategies
+    FlexibleContexts
+    FlexibleInstances
+    FunctionalDependencies
+    GADTs
+    GeneralizedNewtypeDeriving
+    MultiWayIf
+    NoImplicitPrelude
+    QuantifiedConstraints
+    RankNTypes
+    ScopedTypeVariables
+    TypeApplications
+    TypeOperators
+    UndecidableInstances
+    UndecidableSuperClasses
+    ViewPatterns
+
+library haskell-ci-internal
+  import:           language
+  hs-source-dirs:   src
   ghc-options:
     -Wall -Wincomplete-uni-patterns -Wincomplete-record-updates
     -Wcompat -Wnoncanonical-monad-instances
@@ -123,19 +151,6 @@ library haskell-ci-internal
     HaskellCI.VersionInfo
     HaskellCI.YamlSyntax
 
-  default-extensions:
-    BangPatterns
-    DeriveAnyClass
-    DeriveFoldable
-    DeriveFunctor
-    DeriveGeneric
-    DeriveTraversable
-    DerivingStrategies
-    GeneralizedNewtypeDeriving
-    NoImplicitPrelude
-    ScopedTypeVariables
-    TypeOperators
-
   other-extensions:
     CPP
     NamedFieldPuns
@@ -194,10 +209,10 @@ executable haskell-ci
   default-language: Haskell2010
 
 test-suite golden
-  default-language: Haskell2010
-  type:             exitcode-stdio-1.0
-  main-is:          Tests.hs
-  hs-source-dirs:   test
+  import:         language
+  type:           exitcode-stdio-1.0
+  main-is:        Tests.hs
+  hs-source-dirs: test
 
   -- inherited constraints via lib:haskell-ci
   build-depends:

haskell-ci.sh

@@ -525,7 +525,7 @@ run_cmd $CABAL v2-test $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --test-show-detai
 put_info "doctest"
 run_cmd perl -i -e 'while (<ARGV>) { print unless /package-id\s+(base-compat-batteries|bs-cmpt-bttrs)-\d+(\.\d+)*/; }' .ghc.environment.*
 change_dir_if $((HCNUMVER < 90000)) ${PKGDIR_haskell_ci}
-run_cmd_if $((HCNUMVER < 90000)) doctest --fast -XHaskell2010 -XBangPatterns -XDeriveAnyClass -XDeriveFoldable -XDeriveFunctor -XDeriveGeneric -XDeriveTraversable -XDerivingStrategies -XGeneralizedNewtypeDeriving -XNoImplicitPrelude -XScopedTypeVariables -XTypeOperators src
+run_cmd_if $((HCNUMVER < 90000)) doctest --fast -XHaskell2010 -XBangPatterns -XConstraintKinds -XDataKinds -XDeriveAnyClass -XDeriveFoldable -XDeriveFunctor -XDeriveGeneric -XDeriveTraversable -XDerivingStrategies -XFlexibleContexts -XFlexibleInstances -XFunctionalDependencies -XGADTs -XGeneralizedNewtypeDeriving -XMultiWayIf -XNoImplicitPrelude -XQuantifiedConstraints -XRankNTypes -XScopedTypeVariables -XTypeApplications -XTypeOperators -XUndecidableInstances -XUndecidableSuperClasses -XViewPatterns src
 change_dir_if $((HCNUMVER < 90000)) ${PKGDIR_cabal_install_parsers}
 run_cmd_if $((HCNUMVER < 90000)) doctest --fast -XHaskell2010 src
 

src/HaskellCI/Config.hs

@@ -114,15 +114,17 @@ emptyConfig = case runEG configGrammar of
 
 configGrammar
     :: ( OptionsGrammar c g, Applicative (g Config)
-       , c (Identity PackageScope)
-       , c (Identity TestedWithJobs)
-       , c (Identity Ubuntu)
-       , c (Identity Jobs)
-       , c (Identity CopyFields)
-       , c (Identity Version)
-       , c (Identity Natural)
-       , c (Identity Components)
-       , c Env, c CopyFields, c HeadVersion
+       , c Components
+       , c CopyFields
+       , c CopyFields
+       , c Env
+       , c HeadVersion
+       , c Jobs
+       , c Natural
+       , c PackageScope
+       , c TestedWithJobs
+       , c Ubuntu
+       , c Version
        , c (C.List C.FSep (Identity Installed) Installed)
        , Applicative (g DoctestConfig)
        , Applicative (g DocspecConfig)

src/HaskellCI/OptionsGrammar.hs

@@ -1,9 +1,3 @@
-{-# LANGUAGE ConstraintKinds         #-}
-{-# LANGUAGE FlexibleContexts        #-}
-{-# LANGUAGE FlexibleInstances       #-}
-{-# LANGUAGE FunctionalDependencies  #-}
-{-# LANGUAGE UndecidableInstances    #-}
-{-# LANGUAGE UndecidableSuperClasses #-}
 module HaskellCI.OptionsGrammar (
     OptionsGrammar (..),
     (C.^^^),
@@ -40,7 +34,9 @@ type BashCompletionAction = String
 
 class
     ( C.FieldGrammar c p
-    , c Range, c (Identity C.VersionRange)
+    , forall s. Applicative (p s)
+    , forall a. c a => c (Identity a)
+    , c Range, c C.VersionRange
     , c (C.List C.NoCommaFSep C.Token' String)
     , c (C.List C.FSep C.Token' String)
     , c (AlaSet C.NoCommaFSep C.Token' String)