| Opt_TemplateHaskell
| Opt_QuasiQuotes
| Opt_ImplicitParams
- | Opt_Generics -- "Derivable type classes"
| Opt_ImplicitPrelude
| Opt_ScopedTypeVariables
| Opt_UnboxedTuples
| Opt_DeriveFunctor
| Opt_DeriveTraversable
| Opt_DeriveFoldable
+ | Opt_DeriveRepresentable -- Allow deriving Representable0/1
+ | Opt_DefaultSignatures -- Allow extra signatures for defmeths
+ | Opt_Generics -- Generic deriving mechanism
| Opt_TypeSynonymInstances
| Opt_FlexibleContexts
( "DeriveFunctor", Opt_DeriveFunctor, nop ),
( "DeriveTraversable", Opt_DeriveTraversable, nop ),
( "DeriveFoldable", Opt_DeriveFoldable, nop ),
+ ( "DeriveRepresentable", Opt_DeriveRepresentable, nop ),
+ ( "DefaultSignatures", Opt_DefaultSignatures, nop ),
( "TypeSynonymInstances", Opt_TypeSynonymInstances, nop ),
( "FlexibleContexts", Opt_FlexibleContexts, nop ),
( "FlexibleInstances", Opt_FlexibleInstances, nop ),
, (Opt_RecordWildCards, turnOn, Opt_DisambiguateRecordFields)
, (Opt_ParallelArrays, turnOn, Opt_ParallelListComp)
+ -- The new behavior of the XGenerics flag is just to turn on these two flags
+ , (Opt_Generics, turnOn, Opt_DefaultSignatures)
+ , (Opt_Generics, turnOn, Opt_DeriveRepresentable)
]
optLevelFlags :: [([Int], DynFlag)]
, Opt_DeriveFunctor
, Opt_DeriveFoldable
, Opt_DeriveTraversable
+ , Opt_DeriveRepresentable
, Opt_FlexibleContexts
, Opt_FlexibleInstances
, Opt_ConstrainedClassMethods
-- not from bytecode to object-code. The idea is that -fasm/-fllvm
-- can be safely used in an OPTIONS_GHC pragma.
setObjTarget :: HscTarget -> DynP ()
-setObjTarget l = upd set
+setObjTarget l = updM set
where
- set dfs
- | isObjectTarget (hscTarget dfs) = dfs { hscTarget = l }
- | otherwise = dfs
+ set dflags
+ | isObjectTarget (hscTarget dflags)
+ = case l of
+ HscC
+ | cGhcUnregisterised /= "YES" ->
+ do addWarn ("Compiler not unregisterised, so ignoring " ++
+ showHscTargetFlag l)
+ return dflags
+ HscAsm
+ | cGhcWithNativeCodeGen /= "YES" ->
+ do addWarn ("Compiler has no native codegen, so ignoring " ++
+ showHscTargetFlag l)
+ return dflags
+ HscLlvm
+ | cGhcUnregisterised == "YES" ->
+ do addWarn ("Compiler unregisterised, so ignoring " ++
+ showHscTargetFlag l)
+ return dflags
+ _ -> return $ dflags { hscTarget = l }
+ | otherwise = return dflags
setOptLevel :: Int -> DynFlags -> DynP DynFlags
setOptLevel n dflags