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 )
| Opt_D_dump_rn_stats
| Opt_D_dump_opt_cmm
| Opt_D_dump_simpl_stats
+ | 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
= [Opt_ImplicitPrelude,
Opt_MonomorphismRestriction,
Opt_NPlusKPatterns,
- Opt_DatatypeContexts]
+ Opt_DatatypeContexts,
+ Opt_NondecreasingIndentation
+ -- strictly speaking non-standard, but we always had this
+ -- on implicitly before the option was added in 7.1, and
+ -- turning it off breaks code, so we're keeping it on for
+ -- backwards compatibility. Cabal uses -XHaskell98 by
+ -- default unless you specify another language.
+ ]
languageExtensions (Just Haskell2010)
= [Opt_ImplicitPrelude,
, Flag "ddump-worker-wrapper" (setDumpFlag Opt_D_dump_worker_wrapper)
, Flag "ddump-rn-trace" (setDumpFlag Opt_D_dump_rn_trace)
, 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)
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
-- Splitting
can_split :: Bool
-can_split = cSplitObjs == "YES"
+can_split = cSupportsSplitObjs == "YES"
-- -----------------------------------------------------------------------------
-- Compiler Info
("Host platform", String cHostPlatformString),
("Target platform", String cTargetPlatformString),
("Have interpreter", String cGhcWithInterpreter),
- ("Object splitting", String cSplitObjs),
+ ("Object splitting supported", String cSupportsSplitObjs),
("Have native code generator", String cGhcWithNativeCodeGen),
("Support SMP", String cGhcWithSMP),
("Unregisterised", String cGhcUnregisterised),