Option(..), showOpt,
DynLibLoader(..),
fFlags, fLangFlags, xFlags,
- DPHBackend(..), dphPackage,
+ DPHBackend(..), dphPackageMaybe,
wayNames,
-- ** Manipulating DynFlags
import Data.List
import Data.Map (Map)
import qualified Data.Map as Map
+import Data.Maybe
import System.FilePath
import System.IO ( stderr, hPutChar )
-- debugging flags
= Opt_D_dump_cmm
+ | Opt_D_dump_raw_cmm
| Opt_D_dump_cmmz
| Opt_D_dump_cmmz_pretty
| Opt_D_dump_cps_cmm
| Opt_D_dump_asm_stats
| Opt_D_dump_asm_expanded
| Opt_D_dump_llvm
+ | Opt_D_dump_core_stats
| Opt_D_dump_cpranal
| Opt_D_dump_deriv
| Opt_D_dump_ds
| Opt_D_dump_cs_trace -- Constraint solver in type checker
| Opt_D_dump_tc_trace
| Opt_D_dump_if_trace
+ | Opt_D_dump_vt_trace
| Opt_D_dump_splices
| Opt_D_dump_BCOs
| Opt_D_dump_vect
setHiDir f d = d{ hiDir = Just f}
setStubDir f d = d{ stubDir = Just f, includePaths = f : includePaths d }
-- -stubdir D adds an implicit -I D, so that gcc can find the _stub.h file
- -- \#included from the .hc file when compiling with -fvia-C.
+ -- \#included from the .hc file when compiling via C (i.e. unregisterised
+ -- builds).
setOutputDir f = setObjectDir f . setHiDir f . setStubDir f
setDylibInstallName f d = d{ dylibInstallName = Just f}
= runCmdLine (processArgs flag_spec args') dflags0
when (not (null errs)) $ ghcError $ errorsToGhcException errs
- -- Cannot use -fPIC with registerised -fvia-C, because the mangler
- -- isn't up to the job. We know that if hscTarget == HscC, then the
- -- user has explicitly used -fvia-C, because -fasm is the default,
- -- unless there is no NCG on this platform. The latter case is
- -- checked when the -fPIC flag is parsed.
- --
let (pic_warns, dflags2)
- | opt_PIC && hscTarget dflags1 == HscC && cGhcUnregisterised == "NO"
- = ([L noSrcSpan $ "Warning: -fvia-C is incompatible with -fPIC; ignoring -fvia-C"],
- dflags1{ hscTarget = HscAsm })
#if !(x86_64_TARGET_ARCH && linux_TARGET_OS)
| (not opt_Static || opt_PIC) && hscTarget dflags1 == HscLlvm
= ([L noSrcSpan $ "Warning: -fllvm is incompatible with -fPIC and -"
, Flag "dstg-stats" (NoArg (setDynFlag Opt_StgStats))
, Flag "ddump-cmm" (setDumpFlag Opt_D_dump_cmm)
+ , Flag "ddump-raw-cmm" (setDumpFlag Opt_D_dump_raw_cmm)
, Flag "ddump-cmmz" (setDumpFlag Opt_D_dump_cmmz)
, Flag "ddump-cmmz-pretty" (setDumpFlag Opt_D_dump_cmmz_pretty)
+ , Flag "ddump-core-stats" (setDumpFlag Opt_D_dump_core_stats)
, Flag "ddump-cps-cmm" (setDumpFlag Opt_D_dump_cps_cmm)
, Flag "ddump-cvt-cmm" (setDumpFlag Opt_D_dump_cvt_cmm)
, Flag "ddump-asm" (setDumpFlag Opt_D_dump_asm)
, Flag "ddump-if-trace" (setDumpFlag Opt_D_dump_if_trace)
, Flag "ddump-cs-trace" (setDumpFlag Opt_D_dump_cs_trace)
, Flag "ddump-tc-trace" (setDumpFlag Opt_D_dump_tc_trace)
+ , Flag "ddump-vt-trace" (setDumpFlag Opt_D_dump_vt_trace)
, Flag "ddump-splices" (setDumpFlag Opt_D_dump_splices)
, Flag "ddump-rn-stats" (setDumpFlag Opt_D_dump_rn_stats)
, Flag "ddump-opt-cmm" (setDumpFlag Opt_D_dump_opt_cmm)
------ Compiler flags -----------------------------------------------
, Flag "fasm" (NoArg (setObjTarget HscAsm))
- , Flag "fvia-c" (NoArg (setObjTarget HscC >>
- (addWarn "The -fvia-c flag will be removed in a future GHC release")))
- , Flag "fvia-C" (NoArg (setObjTarget HscC >>
- (addWarn "The -fvia-C flag will be removed in a future GHC release")))
+ , Flag "fvia-c" (NoArg
+ (addWarn "The -fvia-c flag does nothing; it will be removed in a future GHC release"))
+ , Flag "fvia-C" (NoArg
+ (addWarn "The -fvia-C flag does nothing; it will be removed in a future GHC release"))
, Flag "fllvm" (NoArg (setObjTarget HscLlvm))
, Flag "fno-code" (NoArg (do upd $ \d -> d{ ghcLink=NoLink }
, (Opt_ExistentialQuantification, turnOn, Opt_ExplicitForAll)
, (Opt_PolymorphicComponents, turnOn, Opt_ExplicitForAll)
, (Opt_FlexibleInstances, turnOn, Opt_TypeSynonymInstances)
+ , (Opt_FunctionalDependencies, turnOn, Opt_MultiParamTypeClasses)
, (Opt_RebindableSyntax, turnOff, Opt_ImplicitPrelude) -- NB: turn off!
| otherwise = dfs
-- Changes the target only if we're compiling object code. This is
--- used by -fasm and -fvia-C, which switch from one to the other, but
--- not from bytecode to object-code. The idea is that -fasm/-fvia-C
+-- used by -fasm and -fllvm, which switch from one to the other, but
+-- 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
setDPHBackend :: DPHBackend -> DynP ()
setDPHBackend backend = upd $ \dflags -> dflags { dphBackend = backend }
--- Query the DPH backend package to be used by the vectoriser.
+-- Query the DPH backend package to be used by the vectoriser and desugaring of DPH syntax.
--
-dphPackage :: DynFlags -> PackageId
-dphPackage dflags
+dphPackageMaybe :: DynFlags -> Maybe PackageId
+dphPackageMaybe dflags
= case dphBackend dflags of
- DPHPar -> dphParPackageId
- DPHSeq -> dphSeqPackageId
- DPHThis -> thisPackage dflags
- DPHNone -> ghcError (CmdLineError dphBackendError)
-
-dphBackendError :: String
-dphBackendError = "To use -fvectorise select a DPH backend with -fdph-par or -fdph-seq"
+ DPHPar -> Just dphParPackageId
+ DPHSeq -> Just dphSeqPackageId
+ DPHThis -> Just (thisPackage dflags)
+ DPHNone -> Nothing
setMainIs :: String -> DynP ()
setMainIs arg