-- flags. Dynamic flags can also be set at the prompt in GHCi.
module DynFlags (
-- * Dynamic flags and associated configuration types
- DOpt(..),
DynFlag(..),
- LanguageFlag(..),
- flattenLanguageFlags,
- ensureFlattenedLanguageFlags,
- lopt_set_flattened,
- lopt_unset_flattened,
+ ExtensionFlag(..),
+ glasgowExtsFlags,
+ dopt,
+ dopt_set,
+ dopt_unset,
+ xopt,
+ xopt_set,
+ xopt_unset,
DynFlags(..),
+ RtsOptsEnabled(..),
HscTarget(..), isObjectTarget, defaultObjectTarget,
GhcMode(..), isOneShot,
GhcLink(..), isNoLink,
Option(..), showOpt,
DynLibLoader(..),
fFlags, fLangFlags, xFlags,
- dphPackage,
+ DPHBackend(..), dphPackageMaybe,
wayNames,
+ Settings(..),
+ ghcUsagePath, ghciUsagePath, topDir, tmpDir, rawSettings,
+ extraGccViaCFlags, systemPackageConfig,
+ pgm_L, pgm_P, pgm_F, pgm_c, pgm_s, pgm_a, pgm_l, pgm_dll, pgm_T,
+ pgm_sysman, pgm_windres, pgm_lo, pgm_lc,
+ opt_L, opt_P, opt_F, opt_c, opt_m, opt_a, opt_l,
+ opt_windres, opt_lo, opt_lc,
+
+
-- ** Manipulating DynFlags
- defaultDynFlags, -- DynFlags
+ defaultDynFlags, -- Settings -> DynFlags
initDynFlags, -- DynFlags -> IO DynFlags
getOpts, -- DynFlags -> (DynFlags -> [a]) -> [a]
- getVerbFlag,
+ getVerbFlags,
updOptLevel,
setTmpDir,
setPackageName,
parseDynamicNoPackageFlags,
allFlags,
- supportedLanguages, languageOptions,
+ supportedLanguagesAndExtensions,
-- ** DynFlag C compiler options
machdepCCOpts, picCCOpts,
getStgToDo,
-- * Compiler configuration suitable for display to the user
- Printable(..),
compilerInfo
+#ifdef GHCI
+-- Only in stage 2 can we be sure that the RTS
+-- exposes the appropriate runtime boolean
+ , rtsIsProfiled
+#endif
) where
#include "HsVersions.h"
import Maybes ( orElse )
import SrcLoc
import FastString
-import FiniteMap
import Outputable
+#ifdef GHCI
+import Foreign.C ( CInt )
+#endif
import {-# SOURCE #-} ErrUtils ( Severity(..), Message, mkLocMessage )
+#ifdef GHCI
+import System.IO.Unsafe ( unsafePerformIO )
+#endif
import Data.IORef
import Control.Monad ( when )
import Data.Char
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_foreign
| Opt_D_dump_inlinings
| Opt_D_dump_rule_firings
+ | Opt_D_dump_rule_rewrites
| Opt_D_dump_occur_anal
| Opt_D_dump_parsed
| Opt_D_dump_rn
| 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_DoCmmLinting
| Opt_DoAsmLinting
+ | Opt_F_coqpass -- run the core-to-core coqPass, but don't change anything (just "parse/unparse")
+ | Opt_F_skolemize -- run the core-to-core coqPass, skolemizing the proof
+ | Opt_F_flatten -- run the core-to-core coqPass, flattening the proof
+ | Opt_D_dump_proofs -- dump natural deduction typing proof of the coqpass input
+ | Opt_D_coqpass -- run the core-to-string coqPass and dumps the result
+
| Opt_WarnIsError -- -Werror; makes warnings fatal
| Opt_WarnDuplicateExports
| Opt_WarnHiShadows
| Opt_WarnImplicitPrelude
| Opt_WarnIncompletePatterns
+ | Opt_WarnIncompleteUniPatterns
| Opt_WarnIncompletePatternsRecUpd
| Opt_WarnMissingFields
| Opt_WarnMissingImportList
| Opt_WarnMissingMethods
| Opt_WarnMissingSigs
+ | Opt_WarnMissingLocalSigs
| Opt_WarnNameShadowing
| Opt_WarnOverlappingPatterns
- | Opt_WarnSimplePatterns
| Opt_WarnTypeDefaults
| Opt_WarnMonomorphism
| Opt_WarnUnusedBinds
| Opt_WarnDodgyExports
| Opt_WarnDodgyImports
| Opt_WarnOrphans
+ | Opt_WarnAutoOrphans
+ | Opt_WarnIdentities
| Opt_WarnTabs
| Opt_WarnUnrecognisedPragmas
| Opt_WarnDodgyForeignImports
| Opt_DoEtaReduction
| Opt_CaseMerge
| Opt_UnboxStrictFields
- | Opt_MethodSharing
+ | Opt_MethodSharing -- Now a no-op; remove in GHC 7.2
| Opt_DictsCheap
| Opt_EnableRewriteRules -- Apply rewrite rules during simplification
| Opt_Vectorise
| Opt_Pp
| Opt_ForceRecomp
| Opt_DryRun
- | Opt_DoAsmMangling
| Opt_ExcessPrecision
| Opt_EagerBlackHoling
| Opt_ReadUserPackageConf
| Opt_NoHsMain
- | Opt_RtsOptsEnabled
| Opt_SplitObjs
| Opt_StgStats
| Opt_HideAllPackages
| Opt_SharedImplib
| Opt_BuildingCabalPackage
| Opt_SSE2
+ | Opt_GhciSandbox
+ | Opt_HelpfulErrors
-- temporary flags
| Opt_RunCPS
| Opt_KeepHiDiffs
| Opt_KeepHcFiles
| Opt_KeepSFiles
- | Opt_KeepRawSFiles
| Opt_KeepTmpFiles
| Opt_KeepRawTokenStream
| Opt_KeepLlvmFiles
deriving (Eq, Show)
-data LanguageFlag
+data Language = Haskell98 | Haskell2010
+
+data ExtensionFlag
= Opt_Cpp
| Opt_OverlappingInstances
| Opt_UndecidableInstances
| Opt_MonomorphismRestriction
| Opt_MonoPatBinds
| Opt_MonoLocalBinds
+ | Opt_RelaxedPolyRec -- Deprecated
| Opt_ExtendedDefaultRules -- Use GHC's extended rules for defaulting
| Opt_ForeignFunctionInterface
| Opt_UnliftedFFITypes
| Opt_GHCForeignImportPrim
- | Opt_PArr -- Syntactic support for parallel arrays
+ | Opt_ParallelArrays -- Syntactic support for parallel arrays
| Opt_Arrows -- Arrow-notation syntax
+ | Opt_ModalTypes -- Heterogeneous Metaprogramming (modal types, brackets, escape, CSP)
| Opt_TemplateHaskell
| Opt_QuasiQuotes
| Opt_ImplicitParams
| Opt_RecordPuns
| Opt_ViewPatterns
| Opt_GADTs
- | Opt_RelaxedPolyRec
+ | Opt_GADTSyntax
| Opt_NPlusKPatterns
+ | Opt_DoAndIfThenElse
+ | Opt_RebindableSyntax
| Opt_StandaloneDeriving
| Opt_DeriveDataTypeable
| Opt_ImpredicativeTypes
| Opt_TypeOperators
| Opt_PackageImports
- | Opt_NewQualifiedOperators
| Opt_ExplicitForAll
| Opt_AlternativeLayoutRule
| Opt_AlternativeLayoutRuleTransitional
| Opt_DatatypeContexts
+ | Opt_NondecreasingIndentation
+ | Opt_RelaxedLayout
deriving (Eq, Show)
-- | Contains not only a collection of 'DynFlag's but also a plethora of
specConstrThreshold :: Maybe Int, -- ^ Threshold for SpecConstr
specConstrCount :: Maybe Int, -- ^ Max number of specialisations for any one function
liberateCaseThreshold :: Maybe Int, -- ^ Threshold for LiberateCase
+ floatLamArgs :: Maybe Int, -- ^ Arg count for lambda floating
+ -- See CoreMonad.FloatOutSwitches
#ifndef OMIT_NATIVE_CODEGEN
targetPlatform :: Platform, -- ^ The platform we're compiling for. Used by the NCG.
#endif
- stolen_x86_regs :: Int,
cmdlineHcIncludes :: [String], -- ^ @\-\#includes@
importPaths :: [FilePath],
mainModIs :: Module,
libraryPaths :: [String],
frameworkPaths :: [String], -- used on darwin only
cmdlineFrameworks :: [String], -- ditto
- tmpDir :: String, -- no trailing '/'
- ghcUsagePath :: FilePath, -- Filled in by SysTools
- ghciUsagePath :: FilePath, -- ditto
rtsOpts :: Maybe String,
+ rtsOptsEnabled :: RtsOptsEnabled,
hpcDir :: String, -- ^ Path to store the .mix files
- -- options for particular phases
- opt_L :: [String],
- opt_P :: [String],
- opt_F :: [String],
- opt_c :: [String],
- opt_m :: [String],
- opt_a :: [String],
- opt_l :: [String],
- opt_windres :: [String],
- opt_lo :: [String], -- LLVM: llvm optimiser
- opt_lc :: [String], -- LLVM: llc static compiler
-
- -- commands for particular phases
- pgm_L :: String,
- pgm_P :: (String,[Option]),
- pgm_F :: String,
- pgm_c :: (String,[Option]),
- pgm_m :: (String,[Option]),
- pgm_s :: (String,[Option]),
- pgm_a :: (String,[Option]),
- pgm_l :: (String,[Option]),
- pgm_dll :: (String,[Option]),
- pgm_T :: String,
- pgm_sysman :: String,
- pgm_windres :: String,
- pgm_lo :: (String,[Option]), -- LLVM: opt llvm optimiser
- pgm_lc :: (String,[Option]), -- LLVM: llc static compiler
+ settings :: Settings,
-- For ghc -M
depMakefile :: FilePath,
-- Package flags
extraPkgConfs :: [FilePath],
- topDir :: FilePath, -- filled in by SysTools
- systemPackageConfig :: FilePath, -- ditto
-- ^ The @-package-conf@ flags given on the command line, in the order
-- they appeared.
-- These have to be IORefs, because the defaultCleanupHandler needs to
-- know what to clean when an exception happens
filesToClean :: IORef [FilePath],
- dirsToClean :: IORef (FiniteMap FilePath FilePath),
+ dirsToClean :: IORef (Map FilePath FilePath),
-- hsc dynamic flags
flags :: [DynFlag],
- languageFlags :: Either [OnOff LanguageFlag]
- [LanguageFlag],
+ -- Don't change this without updating extensionFlags:
+ language :: Maybe Language,
+ -- Don't change this without updating extensionFlags:
+ extensions :: [OnOff ExtensionFlag],
+ -- extensionFlags should always be equal to
+ -- flattenExtensionFlags language extensions
+ extensionFlags :: [ExtensionFlag],
-- | Message output action: use "ErrUtils" instead of this if you can
log_action :: Severity -> SrcSpan -> PprStyle -> Message -> IO (),
haddockOptions :: Maybe String
}
+data Settings = Settings {
+ sGhcUsagePath :: FilePath, -- Filled in by SysTools
+ sGhciUsagePath :: FilePath, -- ditto
+ sTopDir :: FilePath,
+ sTmpDir :: String, -- no trailing '/'
+ -- You shouldn't need to look things up in rawSettings directly.
+ -- They should have their own fields instead.
+ sRawSettings :: [(String, String)],
+ sExtraGccViaCFlags :: [String],
+ sSystemPackageConfig :: FilePath,
+ -- commands for particular phases
+ sPgm_L :: String,
+ sPgm_P :: (String,[Option]),
+ sPgm_F :: String,
+ sPgm_c :: (String,[Option]),
+ sPgm_s :: (String,[Option]),
+ sPgm_a :: (String,[Option]),
+ sPgm_l :: (String,[Option]),
+ sPgm_dll :: (String,[Option]),
+ sPgm_T :: String,
+ sPgm_sysman :: String,
+ sPgm_windres :: String,
+ sPgm_lo :: (String,[Option]), -- LLVM: opt llvm optimiser
+ sPgm_lc :: (String,[Option]), -- LLVM: llc static compiler
+ -- options for particular phases
+ sOpt_L :: [String],
+ sOpt_P :: [String],
+ sOpt_F :: [String],
+ sOpt_c :: [String],
+ sOpt_m :: [String],
+ sOpt_a :: [String],
+ sOpt_l :: [String],
+ sOpt_windres :: [String],
+ sOpt_lo :: [String], -- LLVM: llvm optimiser
+ sOpt_lc :: [String] -- LLVM: llc static compiler
+
+ }
+
+ghcUsagePath :: DynFlags -> FilePath
+ghcUsagePath dflags = sGhcUsagePath (settings dflags)
+ghciUsagePath :: DynFlags -> FilePath
+ghciUsagePath dflags = sGhciUsagePath (settings dflags)
+topDir :: DynFlags -> FilePath
+topDir dflags = sTopDir (settings dflags)
+tmpDir :: DynFlags -> String
+tmpDir dflags = sTmpDir (settings dflags)
+rawSettings :: DynFlags -> [(String, String)]
+rawSettings dflags = sRawSettings (settings dflags)
+extraGccViaCFlags :: DynFlags -> [String]
+extraGccViaCFlags dflags = sExtraGccViaCFlags (settings dflags)
+systemPackageConfig :: DynFlags -> FilePath
+systemPackageConfig dflags = sSystemPackageConfig (settings dflags)
+pgm_L :: DynFlags -> String
+pgm_L dflags = sPgm_L (settings dflags)
+pgm_P :: DynFlags -> (String,[Option])
+pgm_P dflags = sPgm_P (settings dflags)
+pgm_F :: DynFlags -> String
+pgm_F dflags = sPgm_F (settings dflags)
+pgm_c :: DynFlags -> (String,[Option])
+pgm_c dflags = sPgm_c (settings dflags)
+pgm_s :: DynFlags -> (String,[Option])
+pgm_s dflags = sPgm_s (settings dflags)
+pgm_a :: DynFlags -> (String,[Option])
+pgm_a dflags = sPgm_a (settings dflags)
+pgm_l :: DynFlags -> (String,[Option])
+pgm_l dflags = sPgm_l (settings dflags)
+pgm_dll :: DynFlags -> (String,[Option])
+pgm_dll dflags = sPgm_dll (settings dflags)
+pgm_T :: DynFlags -> String
+pgm_T dflags = sPgm_T (settings dflags)
+pgm_sysman :: DynFlags -> String
+pgm_sysman dflags = sPgm_sysman (settings dflags)
+pgm_windres :: DynFlags -> String
+pgm_windres dflags = sPgm_windres (settings dflags)
+pgm_lo :: DynFlags -> (String,[Option])
+pgm_lo dflags = sPgm_lo (settings dflags)
+pgm_lc :: DynFlags -> (String,[Option])
+pgm_lc dflags = sPgm_lc (settings dflags)
+opt_L :: DynFlags -> [String]
+opt_L dflags = sOpt_L (settings dflags)
+opt_P :: DynFlags -> [String]
+opt_P dflags = sOpt_P (settings dflags)
+opt_F :: DynFlags -> [String]
+opt_F dflags = sOpt_F (settings dflags)
+opt_c :: DynFlags -> [String]
+opt_c dflags = sOpt_c (settings dflags)
+opt_m :: DynFlags -> [String]
+opt_m dflags = sOpt_m (settings dflags)
+opt_a :: DynFlags -> [String]
+opt_a dflags = sOpt_a (settings dflags)
+opt_l :: DynFlags -> [String]
+opt_l dflags = sOpt_l (settings dflags)
+opt_windres :: DynFlags -> [String]
+opt_windres dflags = sOpt_windres (settings dflags)
+opt_lo :: DynFlags -> [String]
+opt_lo dflags = sOpt_lo (settings dflags)
+opt_lc :: DynFlags -> [String]
+opt_lc dflags = sOpt_lc (settings dflags)
+
wayNames :: DynFlags -> [WayName]
wayNames = map wayName . ways
data DynLibLoader
= Deployable
- | Wrapped (Maybe String)
| SystemDependent
deriving Eq
+data RtsOptsEnabled = RtsOptsNone | RtsOptsSafeOnly | RtsOptsAll
+ deriving (Show)
+
-- | Used by 'GHC.newSession' to partially initialize a new 'DynFlags' value
initDynFlags :: DynFlags -> IO DynFlags
initDynFlags dflags = do
-- someday these will be dynamic flags
ways <- readIORef v_Ways
refFilesToClean <- newIORef []
- refDirsToClean <- newIORef emptyFM
+ refDirsToClean <- newIORef Map.empty
return dflags{
ways = ways,
buildTag = mkBuildTag (filter (not . wayRTSOnly) ways),
-- | The normal 'DynFlags'. Note that they is not suitable for use in this form
-- and must be fully initialized by 'GHC.newSession' first.
-defaultDynFlags :: DynFlags
-defaultDynFlags =
+defaultDynFlags :: Settings -> DynFlags
+defaultDynFlags mySettings =
DynFlags {
ghcMode = CompManager,
ghcLink = LinkBinary,
specConstrThreshold = Just 200,
specConstrCount = Just 3,
liberateCaseThreshold = Just 200,
+ floatLamArgs = Just 0, -- Default: float only if no fvs
strictnessBefore = [],
#ifndef OMIT_NATIVE_CODEGEN
targetPlatform = defaultTargetPlatform,
#endif
- stolen_x86_regs = 4,
cmdlineHcIncludes = [],
importPaths = ["."],
mainModIs = mAIN,
mainFunIs = Nothing,
ctxtStkDepth = mAX_CONTEXT_REDUCTION_DEPTH,
- dphBackend = DPHPar,
+ dphBackend = DPHNone,
thisPackage = mainPackageId,
libraryPaths = [],
frameworkPaths = [],
cmdlineFrameworks = [],
- tmpDir = cDEFAULT_TMPDIR,
rtsOpts = Nothing,
+ rtsOptsEnabled = RtsOptsSafeOnly,
hpcDir = ".hpc",
- opt_L = [],
- opt_P = (if opt_PIC
- then ["-D__PIC__", "-U __PIC__"] -- this list is reversed
- else []),
- opt_F = [],
- opt_c = [],
- opt_a = [],
- opt_m = [],
- opt_l = [],
- opt_windres = [],
- opt_lo = [],
- opt_lc = [],
-
extraPkgConfs = [],
packageFlags = [],
pkgDatabase = Nothing,
buildTag = panic "defaultDynFlags: No buildTag",
rtsBuildTag = panic "defaultDynFlags: No rtsBuildTag",
splitInfo = Nothing,
- -- initSysTools fills all these in
- ghcUsagePath = panic "defaultDynFlags: No ghciUsagePath",
- ghciUsagePath = panic "defaultDynFlags: No ghciUsagePath",
- topDir = panic "defaultDynFlags: No topDir",
- systemPackageConfig = panic "no systemPackageConfig: call GHC.setSessionDynFlags",
- pgm_L = panic "defaultDynFlags: No pgm_L",
- pgm_P = panic "defaultDynFlags: No pgm_P",
- pgm_F = panic "defaultDynFlags: No pgm_F",
- pgm_c = panic "defaultDynFlags: No pgm_c",
- pgm_m = panic "defaultDynFlags: No pgm_m",
- pgm_s = panic "defaultDynFlags: No pgm_s",
- pgm_a = panic "defaultDynFlags: No pgm_a",
- pgm_l = panic "defaultDynFlags: No pgm_l",
- pgm_dll = panic "defaultDynFlags: No pgm_dll",
- pgm_T = panic "defaultDynFlags: No pgm_T",
- pgm_sysman = panic "defaultDynFlags: No pgm_sysman",
- pgm_windres = panic "defaultDynFlags: No pgm_windres",
- pgm_lo = panic "defaultDynFlags: No pgm_lo",
- pgm_lc = panic "defaultDynFlags: No pgm_lc",
- -- end of initSysTools values
+ settings = mySettings,
-- ghc -M values
depMakefile = "Makefile",
depIncludePkgDeps = False,
filesToClean = panic "defaultDynFlags: No filesToClean",
dirsToClean = panic "defaultDynFlags: No dirsToClean",
haddockOptions = Nothing,
- flags = [
- Opt_AutoLinkPackages,
- Opt_ReadUserPackageConf,
-
- Opt_MethodSharing,
-
- Opt_DoAsmMangling,
-
- Opt_SharedImplib,
-
- Opt_GenManifest,
- Opt_EmbedManifest,
- Opt_PrintBindContents
- ]
- ++ [f | (ns,f) <- optLevelFlags, 0 `elem` ns]
- -- The default -O0 options
- ++ standardWarnings,
-
- languageFlags = Left [],
+ flags = defaultFlags,
+ language = Nothing,
+ extensions = [],
+ extensionFlags = flattenExtensionFlags Nothing [],
log_action = \severity srcSpan style msg ->
case severity of
- SevInfo -> printErrs (msg style)
- SevFatal -> printErrs (msg style)
- _ -> do
+ SevOutput -> printOutput (msg style)
+ SevInfo -> printErrs (msg style)
+ SevFatal -> printErrs (msg style)
+ _ -> do
hPutChar stderr '\n'
printErrs ((mkLocMessage srcSpan msg) style)
-- careful (#2302): printErrs prints in UTF-8, whereas
data OnOff a = On a
| Off a
-flattenLanguageFlags :: DynFlags -> DynFlags
-flattenLanguageFlags dflags
- = case languageFlags dflags of
- Left onoffs ->
- dflags {
- languageFlags = Right $ flattenLanguageFlags' onoffs
- }
- Right _ ->
- panic "Flattening already-flattened language flags"
-
-ensureFlattenedLanguageFlags :: DynFlags -> DynFlags
-ensureFlattenedLanguageFlags dflags
- = case languageFlags dflags of
- Left onoffs ->
- dflags {
- languageFlags = Right $ flattenLanguageFlags' onoffs
- }
- Right _ ->
- dflags
-
-- OnOffs accumulate in reverse order, so we use foldr in order to
-- process them in the right order
-flattenLanguageFlags' :: [OnOff LanguageFlag] -> [LanguageFlag]
-flattenLanguageFlags' = foldr f defaultLanguageFlags
+flattenExtensionFlags :: Maybe Language -> [OnOff ExtensionFlag]
+ -> [ExtensionFlag]
+flattenExtensionFlags ml = foldr f defaultExtensionFlags
where f (On f) flags = f : delete f flags
f (Off f) flags = delete f flags
- defaultLanguageFlags = [
- Opt_MonoPatBinds, -- Experimentally, I'm making this non-standard
- -- behaviour the default, to see if anyone notices
- -- SLPJ July 06
-
- Opt_ImplicitPrelude,
- Opt_MonomorphismRestriction,
- Opt_NPlusKPatterns,
- Opt_DatatypeContexts
- ]
-
--- The DOpt class is a temporary workaround, to avoid having to do
--- a mass-renaming dopt->lopt at the moment
-class DOpt a where
- dopt :: a -> DynFlags -> Bool
- dopt_set :: DynFlags -> a -> DynFlags
- dopt_unset :: DynFlags -> a -> DynFlags
-
-instance DOpt DynFlag where
- dopt = dopt'
- dopt_set = dopt_set'
- dopt_unset = dopt_unset'
-
-instance DOpt LanguageFlag where
- dopt = lopt
- dopt_set = lopt_set
- dopt_unset = lopt_unset
+ defaultExtensionFlags = languageExtensions ml
+
+languageExtensions :: Maybe Language -> [ExtensionFlag]
+
+languageExtensions Nothing
+ -- Nothing => the default case
+ = Opt_MonoPatBinds -- Experimentally, I'm making this non-standard
+ -- behaviour the default, to see if anyone notices
+ -- SLPJ July 06
+ -- In due course I'd like Opt_MonoLocalBinds to be on by default
+ -- But NB it's implied by GADTs etc
+ -- SLPJ September 2010
+ : Opt_NondecreasingIndentation -- This has been on by default for some time
+ : languageExtensions (Just Haskell2010)
+
+languageExtensions (Just Haskell98)
+ = [Opt_ImplicitPrelude,
+ Opt_MonomorphismRestriction,
+ Opt_NPlusKPatterns,
+ 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,
+ Opt_MonomorphismRestriction,
+ Opt_DatatypeContexts,
+ Opt_EmptyDataDecls,
+ Opt_ForeignFunctionInterface,
+ Opt_PatternGuards,
+ Opt_DoAndIfThenElse,
+ Opt_RelaxedPolyRec]
-- | Test whether a 'DynFlag' is set
-dopt' :: DynFlag -> DynFlags -> Bool
-dopt' f dflags = f `elem` (flags dflags)
+dopt :: DynFlag -> DynFlags -> Bool
+dopt f dflags = f `elem` (flags dflags)
-- | Set a 'DynFlag'
-dopt_set' :: DynFlags -> DynFlag -> DynFlags
-dopt_set' dfs f = dfs{ flags = f : flags dfs }
+dopt_set :: DynFlags -> DynFlag -> DynFlags
+dopt_set dfs f = dfs{ flags = f : flags dfs }
-- | Unset a 'DynFlag'
-dopt_unset' :: DynFlags -> DynFlag -> DynFlags
-dopt_unset' dfs f = dfs{ flags = filter (/= f) (flags dfs) }
-
--- | Test whether a 'LanguageFlag' is set
-lopt :: LanguageFlag -> DynFlags -> Bool
-lopt f dflags = case languageFlags dflags of
- Left _ -> panic ("Testing for language flag " ++ show f ++ " before flattening")
- Right flags -> f `elem` flags
-
--- | Set a 'LanguageFlag'
-lopt_set :: DynFlags -> LanguageFlag -> DynFlags
-lopt_set dfs f = case languageFlags dfs of
- Left onoffs -> dfs { languageFlags = Left (On f : onoffs) }
- Right _ -> panic ("Setting language flag " ++ show f ++ " after flattening")
-
--- | Set a 'LanguageFlag'
-lopt_set_flattened :: DynFlags -> LanguageFlag -> DynFlags
-lopt_set_flattened dfs f = case languageFlags dfs of
- Left _ ->
- panic ("Setting language flag " ++ show f ++ " before flattening, but expected flattened")
- Right flags ->
- dfs { languageFlags = Right (f : delete f flags) }
-
--- | Unset a 'LanguageFlag'
-lopt_unset :: DynFlags -> LanguageFlag -> DynFlags
-lopt_unset dfs f = case languageFlags dfs of
- Left onoffs -> dfs { languageFlags = Left (Off f : onoffs) }
- Right _ -> panic ("Unsetting language flag " ++ show f ++ " after flattening")
-
--- | Unset a 'LanguageFlag'
-lopt_unset_flattened :: DynFlags -> LanguageFlag -> DynFlags
-lopt_unset_flattened dfs f = case languageFlags dfs of
- Left _ ->
- panic ("Unsetting language flag " ++ show f ++ " before flattening, but expected flattened")
- Right flags ->
- dfs { languageFlags = Right (delete f flags) }
+dopt_unset :: DynFlags -> DynFlag -> DynFlags
+dopt_unset dfs f = dfs{ flags = filter (/= f) (flags dfs) }
+
+-- | Test whether a 'ExtensionFlag' is set
+xopt :: ExtensionFlag -> DynFlags -> Bool
+xopt f dflags = f `elem` extensionFlags dflags
+
+-- | Set a 'ExtensionFlag'
+xopt_set :: DynFlags -> ExtensionFlag -> DynFlags
+xopt_set dfs f
+ = let onoffs = On f : extensions dfs
+ in dfs { extensions = onoffs,
+ extensionFlags = flattenExtensionFlags (language dfs) onoffs }
+
+-- | Unset a 'ExtensionFlag'
+xopt_unset :: DynFlags -> ExtensionFlag -> DynFlags
+xopt_unset dfs f
+ = let onoffs = Off f : extensions dfs
+ in dfs { extensions = onoffs,
+ extensionFlags = flattenExtensionFlags (language dfs) onoffs }
+
+setLanguage :: Language -> DynP ()
+setLanguage l = upd f
+ where f dfs = let mLang = Just l
+ oneoffs = extensions dfs
+ in dfs {
+ language = mLang,
+ extensionFlags = flattenExtensionFlags mLang oneoffs
+ }
-- | Retrieve the options corresponding to a particular @opt_*@ field in the correct order
getOpts :: DynFlags -- ^ 'DynFlags' to retrieve the options from
-- | Gets the verbosity flag for the current verbosity level. This is fed to
-- other tools, so GHC-specific verbosity flags like @-ddump-most@ are not included
-getVerbFlag :: DynFlags -> String
-getVerbFlag dflags
- | verbosity dflags >= 3 = "-v"
- | otherwise = ""
+getVerbFlags :: DynFlags -> [String]
+getVerbFlags dflags
+ | verbosity dflags >= 4 = ["-v"]
+ | otherwise = []
setObjectDir, setHiDir, setStubDir, setOutputDir, setDylibInstallName,
setObjectSuf, setHiSuf, setHcSuf, parseDynLibLoaderMode,
- setPgmP, setPgmL, setPgmF, setPgmc, setPgmm, setPgms, setPgma, setPgml, setPgmdll, setPgmwindres,
- setPgmlo, setPgmlc,
- addOptL, addOptP, addOptF, addOptc, addOptm, addOpta, addOptl, addOptwindres, addOptlo, addOptlc,
+ setPgmP, addOptl, addOptP,
addCmdlineFramework, addHaddockOpts
:: String -> DynFlags -> DynFlags
setOutputFile, setOutputHi, setDumpPrefixForce
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}
case splitAt 8 f of
("deploy", "") -> d{ dynLibLoader = Deployable }
("sysdep", "") -> d{ dynLibLoader = SystemDependent }
- ("wrapped", "") -> d{ dynLibLoader = Wrapped Nothing }
- ("wrapped:", "hard") -> d{ dynLibLoader = Wrapped Nothing }
- ("wrapped:", flex) -> d{ dynLibLoader = Wrapped (Just flex) }
_ -> ghcError (CmdLineError ("Unknown dynlib loader: " ++ f))
setDumpPrefixForce f d = d { dumpPrefixForce = f}
-- XXX HACK: Prelude> words "'does not' work" ===> ["'does","not'","work"]
-- Config.hs should really use Option.
-setPgmP f d = let (pgm:args) = words f in d{ pgm_P = (pgm, map Option args)}
-
-setPgmL f d = d{ pgm_L = f}
-setPgmF f d = d{ pgm_F = f}
-setPgmc f d = d{ pgm_c = (f,[])}
-setPgmm f d = d{ pgm_m = (f,[])}
-setPgms f d = d{ pgm_s = (f,[])}
-setPgma f d = d{ pgm_a = (f,[])}
-setPgml f d = d{ pgm_l = (f,[])}
-setPgmdll f d = d{ pgm_dll = (f,[])}
-setPgmwindres f d = d{ pgm_windres = f}
-setPgmlo f d = d{ pgm_lo = (f,[])}
-setPgmlc f d = d{ pgm_lc = (f,[])}
-
-addOptL f d = d{ opt_L = f : opt_L d}
-addOptP f d = d{ opt_P = f : opt_P d}
-addOptF f d = d{ opt_F = f : opt_F d}
-addOptc f d = d{ opt_c = f : opt_c d}
-addOptm f d = d{ opt_m = f : opt_m d}
-addOpta f d = d{ opt_a = f : opt_a d}
-addOptl f d = d{ opt_l = f : opt_l d}
-addOptwindres f d = d{ opt_windres = f : opt_windres d}
-addOptlo f d = d{ opt_lo = f : opt_lo d}
-addOptlc f d = d{ opt_lc = f : opt_lc d}
+setPgmP f = let (pgm:args) = words f in alterSettings (\s -> s { sPgm_P = (pgm, map Option args)})
+addOptl f = alterSettings (\s -> s { sOpt_l = f : sOpt_l s})
+addOptP f = alterSettings (\s -> s { sOpt_P = f : sOpt_P s})
+
setDepMakefile :: FilePath -> DynFlags -> DynFlags
setDepMakefile f d = d { depMakefile = deOptDep f }
extra_dopts = [ f | (ns,f) <- optLevelFlags, final_n `elem` ns ]
remove_dopts = [ f | (ns,f) <- optLevelFlags, final_n `notElem` ns ]
-optLevelFlags :: [([Int], DynFlag)]
-optLevelFlags
- = [ ([0], Opt_IgnoreInterfacePragmas)
- , ([0], Opt_OmitInterfacePragmas)
-
- , ([1,2], Opt_IgnoreAsserts)
- , ([1,2], Opt_EnableRewriteRules) -- Off for -O0; see Note [Scoping for Builtin rules]
- -- in PrelRules
- , ([1,2], Opt_DoEtaReduction)
- , ([1,2], Opt_CaseMerge)
- , ([1,2], Opt_Strictness)
- , ([1,2], Opt_CSE)
- , ([1,2], Opt_FullLaziness)
- , ([1,2], Opt_Specialise)
- , ([1,2], Opt_FloatIn)
-
- , ([2], Opt_LiberateCase)
- , ([2], Opt_SpecConstr)
-
--- , ([2], Opt_StaticArgumentTransformation)
--- Max writes: I think it's probably best not to enable SAT with -O2 for the
--- 6.10 release. The version of SAT in HEAD at the moment doesn't incorporate
--- several improvements to the heuristics, and I'm concerned that without
--- those changes SAT will interfere with some attempts to write "high
--- performance Haskell", as we saw in some posts on Haskell-Cafe earlier
--- this year. In particular, the version in HEAD lacks the tail call
--- criterion, so many things that look like reasonable loops will be
--- turned into functions with extra (unneccesary) thunk creation.
-
- , ([0,1,2], Opt_DoLambdaEtaExpansion)
- -- This one is important for a tiresome reason:
- -- we want to make sure that the bindings for data
- -- constructors are eta-expanded. This is probably
- -- a good thing anyway, but it seems fragile.
- ]
-
--- -----------------------------------------------------------------------------
--- Standard sets of warning options
-
-standardWarnings :: [DynFlag]
-standardWarnings
- = [ Opt_WarnWarningsDeprecations,
- Opt_WarnDeprecatedFlags,
- Opt_WarnUnrecognisedPragmas,
- Opt_WarnOverlappingPatterns,
- Opt_WarnMissingFields,
- Opt_WarnMissingMethods,
- Opt_WarnDuplicateExports,
- Opt_WarnLazyUnliftedBindings,
- Opt_WarnDodgyForeignImports,
- Opt_WarnWrongDoBind,
- Opt_WarnAlternativeLayoutRuleTransitional
- ]
-
-minusWOpts :: [DynFlag]
-minusWOpts
- = standardWarnings ++
- [ Opt_WarnUnusedBinds,
- Opt_WarnUnusedMatches,
- Opt_WarnUnusedImports,
- Opt_WarnIncompletePatterns,
- Opt_WarnDodgyExports,
- Opt_WarnDodgyImports
- ]
-
-minusWallOpts :: [DynFlag]
-minusWallOpts
- = minusWOpts ++
- [ Opt_WarnTypeDefaults,
- Opt_WarnNameShadowing,
- Opt_WarnMissingSigs,
- Opt_WarnHiShadows,
- Opt_WarnOrphans,
- Opt_WarnUnusedDoBind
- ]
-
--- minuswRemovesOpts should be every warning option
-minuswRemovesOpts :: [DynFlag]
-minuswRemovesOpts
- = minusWallOpts ++
- [Opt_WarnImplicitPrelude,
- Opt_WarnIncompletePatternsRecUpd,
- Opt_WarnSimplePatterns,
- Opt_WarnMonomorphism,
- Opt_WarnUnrecognisedPragmas,
- Opt_WarnTabs
- ]
-
-- -----------------------------------------------------------------------------
-- StgToDo: abstraction of stg-to-stg passes to run.
| otherwise
= todo1
+{- **********************************************************************
+%* *
+ DynFlags parser
+%* *
+%********************************************************************* -}
+
-- -----------------------------------------------------------------------------
--- DynFlags parser
+-- Parsing the dynamic flags.
+
+-- | Parse dynamic flags from a list of command line arguments. Returns the
+-- the parsed 'DynFlags', the left-over arguments, and a list of warnings.
+-- Throws a 'UsageError' if errors occurred during parsing (such as unknown
+-- flags or missing arguments).
+parseDynamicFlags :: Monad m =>
+ DynFlags -> [Located String]
+ -> m (DynFlags, [Located String], [Located String])
+ -- ^ Updated 'DynFlags', left-over arguments, and
+ -- list of warnings.
+parseDynamicFlags dflags args = parseDynamicFlags_ dflags args True
+
+-- | Like 'parseDynamicFlags' but does not allow the package flags (-package,
+-- -hide-package, -ignore-package, -hide-all-packages, -package-conf).
+parseDynamicNoPackageFlags :: Monad m =>
+ DynFlags -> [Located String]
+ -> m (DynFlags, [Located String], [Located String])
+ -- ^ Updated 'DynFlags', left-over arguments, and
+ -- list of warnings.
+parseDynamicNoPackageFlags dflags args = parseDynamicFlags_ dflags args False
+
+parseDynamicFlags_ :: Monad m =>
+ DynFlags -> [Located String] -> Bool
+ -> m (DynFlags, [Located String], [Located String])
+parseDynamicFlags_ dflags0 args pkg_flags = do
+ -- XXX Legacy support code
+ -- We used to accept things like
+ -- optdep-f -optdepdepend
+ -- optdep-f -optdep depend
+ -- optdep -f -optdepdepend
+ -- optdep -f -optdep depend
+ -- but the spaces trip up proper argument handling. So get rid of them.
+ let f (L p "-optdep" : L _ x : xs) = (L p ("-optdep" ++ x)) : f xs
+ f (x : xs) = x : f xs
+ f xs = xs
+ args' = f args
+
+ -- Note: -ignore-package (package_flags) must precede -i* (dynamic_flags)
+ flag_spec | pkg_flags = package_flags ++ dynamic_flags
+ | otherwise = dynamic_flags
+
+ let ((leftover, errs, warns), dflags1)
+ = runCmdLine (processArgs flag_spec args') dflags0
+ when (not (null errs)) $ ghcError $ errorsToGhcException errs
+
+ let (pic_warns, dflags2)
+#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 -"
+ ++ "dynamic on this platform;\n ignoring -fllvm"],
+ dflags1{ hscTarget = HscAsm })
+#endif
+ | otherwise = ([], dflags1)
+
+ return (dflags2, leftover, pic_warns ++ warns)
+
+
+{- **********************************************************************
+%* *
+ DynFlags specifications
+%* *
+%********************************************************************* -}
allFlags :: [String]
allFlags = map ('-':) $
map ("fno-"++) flags ++
map ("f"++) flags ++
map ("f"++) flags' ++
- map ("X"++) supportedLanguages
+ map ("X"++) supportedExtensions
where ok (PrefixPred _ _) = False
ok _ = True
flags = [ name | (name, _, _) <- fFlags ]
flags' = [ name | (name, _, _) <- fLangFlags ]
-dynamic_flags :: [Flag DynP]
+--------------- The main flags themselves ------------------
+dynamic_flags :: [Flag (CmdLineP DynFlags)]
dynamic_flags = [
- Flag "n" (NoArg (setDynFlag Opt_DryRun)) Supported
- , Flag "cpp" (NoArg (setLanguageFlag Opt_Cpp)) Supported
- , Flag "F" (NoArg (setDynFlag Opt_Pp)) Supported
- , Flag "#include" (HasArg (addCmdlineHCInclude))
- (DeprecatedFullText "-#include and INCLUDE pragmas are deprecated: They no longer have any effect")
- , Flag "v" (OptIntSuffix setVerbosity) Supported
+ Flag "n" (NoArg (setDynFlag Opt_DryRun))
+ , Flag "cpp" (NoArg (setExtensionFlag Opt_Cpp))
+ , Flag "F" (NoArg (setDynFlag Opt_Pp))
+ , Flag "#include"
+ (HasArg (\s -> do { addCmdlineHCInclude s
+ ; addWarn "-#include and INCLUDE pragmas are deprecated: They no longer have any effect" }))
+ , Flag "v" (OptIntSuffix setVerbosity)
------- Specific phases --------------------------------------------
-- need to appear before -pgmL to be parsed as LLVM flags.
- , Flag "pgmlo" (HasArg (upd . setPgmlo)) Supported
- , Flag "pgmlc" (HasArg (upd . setPgmlc)) Supported
-
- , Flag "pgmL" (HasArg (upd . setPgmL)) Supported
- , Flag "pgmP" (HasArg (upd . setPgmP)) Supported
- , Flag "pgmF" (HasArg (upd . setPgmF)) Supported
- , Flag "pgmc" (HasArg (upd . setPgmc)) Supported
- , Flag "pgmm" (HasArg (upd . setPgmm)) Supported
- , Flag "pgms" (HasArg (upd . setPgms)) Supported
- , Flag "pgma" (HasArg (upd . setPgma)) Supported
- , Flag "pgml" (HasArg (upd . setPgml)) Supported
- , Flag "pgmdll" (HasArg (upd . setPgmdll)) Supported
- , Flag "pgmwindres" (HasArg (upd . setPgmwindres)) Supported
+ , Flag "pgmlo" (hasArg (\f -> alterSettings (\s -> s { sPgm_lo = (f,[])})))
+ , Flag "pgmlc" (hasArg (\f -> alterSettings (\s -> s { sPgm_lc = (f,[])})))
+ , Flag "pgmL" (hasArg (\f -> alterSettings (\s -> s { sPgm_L = f})))
+ , Flag "pgmP" (hasArg setPgmP)
+ , Flag "pgmF" (hasArg (\f -> alterSettings (\s -> s { sPgm_F = f})))
+ , Flag "pgmc" (hasArg (\f -> alterSettings (\s -> s { sPgm_c = (f,[])})))
+ , Flag "pgmm" (HasArg (\_ -> addWarn "The -keep-raw-s-files flag does nothing; it will be removed in a future GHC release"))
+ , Flag "pgms" (hasArg (\f -> alterSettings (\s -> s { sPgm_s = (f,[])})))
+ , Flag "pgma" (hasArg (\f -> alterSettings (\s -> s { sPgm_a = (f,[])})))
+ , Flag "pgml" (hasArg (\f -> alterSettings (\s -> s { sPgm_l = (f,[])})))
+ , Flag "pgmdll" (hasArg (\f -> alterSettings (\s -> s { sPgm_dll = (f,[])})))
+ , Flag "pgmwindres" (hasArg (\f -> alterSettings (\s -> s { sPgm_windres = f})))
-- need to appear before -optl/-opta to be parsed as LLVM flags.
- , Flag "optlo" (HasArg (upd . addOptlo)) Supported
- , Flag "optlc" (HasArg (upd . addOptlc)) Supported
-
- , Flag "optL" (HasArg (upd . addOptL)) Supported
- , Flag "optP" (HasArg (upd . addOptP)) Supported
- , Flag "optF" (HasArg (upd . addOptF)) Supported
- , Flag "optc" (HasArg (upd . addOptc)) Supported
- , Flag "optm" (HasArg (upd . addOptm)) Supported
- , Flag "opta" (HasArg (upd . addOpta)) Supported
- , Flag "optl" (HasArg (upd . addOptl)) Supported
- , Flag "optwindres" (HasArg (upd . addOptwindres)) Supported
+ , Flag "optlo" (hasArg (\f -> alterSettings (\s -> s { sOpt_lo = f : sOpt_lo s})))
+ , Flag "optlc" (hasArg (\f -> alterSettings (\s -> s { sOpt_lc = f : sOpt_lc s})))
+ , Flag "optL" (hasArg (\f -> alterSettings (\s -> s { sOpt_L = f : sOpt_L s})))
+ , Flag "optP" (hasArg addOptP)
+ , Flag "optF" (hasArg (\f -> alterSettings (\s -> s { sOpt_F = f : sOpt_F s})))
+ , Flag "optc" (hasArg (\f -> alterSettings (\s -> s { sOpt_c = f : sOpt_c s})))
+ , Flag "optm" (hasArg (\f -> alterSettings (\s -> s { sOpt_m = f : sOpt_m s})))
+ , Flag "opta" (hasArg (\f -> alterSettings (\s -> s { sOpt_a = f : sOpt_a s})))
+ , Flag "optl" (hasArg addOptl)
+ , Flag "optwindres" (hasArg (\f -> alterSettings (\s -> s { sOpt_windres = f : sOpt_windres s})))
, Flag "split-objs"
- (NoArg (if can_split then setDynFlag Opt_SplitObjs else return ()))
- Supported
+ (NoArg (if can_split
+ then setDynFlag Opt_SplitObjs
+ else addWarn "ignoring -fsplit-objs"))
-------- ghc -M -----------------------------------------------------
- , Flag "dep-suffix" (HasArg (upd . addDepSuffix)) Supported
- , Flag "optdep-s" (HasArg (upd . addDepSuffix))
- (Deprecated "Use -dep-suffix instead")
- , Flag "dep-makefile" (HasArg (upd . setDepMakefile)) Supported
- , Flag "optdep-f" (HasArg (upd . setDepMakefile))
- (Deprecated "Use -dep-makefile instead")
- , Flag "optdep-w" (NoArg (return ()))
- (Deprecated "-optdep-w doesn't do anything")
- , Flag "include-pkg-deps" (NoArg (upd (setDepIncludePkgDeps True))) Supported
- , Flag "optdep--include-prelude" (NoArg (upd (setDepIncludePkgDeps True)))
- (Deprecated "Use -include-pkg-deps instead")
- , Flag "optdep--include-pkg-deps" (NoArg (upd (setDepIncludePkgDeps True)))
- (Deprecated "Use -include-pkg-deps instead")
- , Flag "exclude-module" (HasArg (upd . addDepExcludeMod)) Supported
- , Flag "optdep--exclude-module" (HasArg (upd . addDepExcludeMod))
- (Deprecated "Use -exclude-module instead")
- , Flag "optdep-x" (HasArg (upd . addDepExcludeMod))
- (Deprecated "Use -exclude-module instead")
+ , Flag "dep-suffix" (hasArg addDepSuffix)
+ , Flag "optdep-s" (hasArgDF addDepSuffix "Use -dep-suffix instead")
+ , Flag "dep-makefile" (hasArg setDepMakefile)
+ , Flag "optdep-f" (hasArgDF setDepMakefile "Use -dep-makefile instead")
+ , Flag "optdep-w" (NoArg (deprecate "doesn't do anything"))
+ , Flag "include-pkg-deps" (noArg (setDepIncludePkgDeps True))
+ , Flag "optdep--include-prelude" (noArgDF (setDepIncludePkgDeps True) "Use -include-pkg-deps instead")
+ , Flag "optdep--include-pkg-deps" (noArgDF (setDepIncludePkgDeps True) "Use -include-pkg-deps instead")
+ , Flag "exclude-module" (hasArg addDepExcludeMod)
+ , Flag "optdep--exclude-module" (hasArgDF addDepExcludeMod "Use -exclude-module instead")
+ , Flag "optdep-x" (hasArgDF addDepExcludeMod "Use -exclude-module instead")
-------- Linking ----------------------------------------------------
- , Flag "no-link" (NoArg (upd $ \d -> d{ ghcLink=NoLink } ))
- Supported
- , Flag "shared" (NoArg (upd $ \d -> d{ ghcLink=LinkDynLib } ))
- Supported
- , Flag "dynload" (HasArg (upd . parseDynLibLoaderMode))
- Supported
- , Flag "dylib-install-name" (HasArg (upd . setDylibInstallName)) Supported
+ , Flag "no-link" (noArg (\d -> d{ ghcLink=NoLink }))
+ , Flag "shared" (noArg (\d -> d{ ghcLink=LinkDynLib }))
+ , Flag "dynload" (hasArg parseDynLibLoaderMode)
+ , Flag "dylib-install-name" (hasArg setDylibInstallName)
------- Libraries ---------------------------------------------------
- , Flag "L" (Prefix addLibraryPath ) Supported
- , Flag "l" (AnySuffix (\s -> do upd (addOptl s))) Supported
+ , Flag "L" (Prefix addLibraryPath)
+ , Flag "l" (AnySuffix (upd . addOptl))
------- Frameworks --------------------------------------------------
-- -framework-path should really be -F ...
- , Flag "framework-path" (HasArg addFrameworkPath ) Supported
- , Flag "framework" (HasArg (upd . addCmdlineFramework)) Supported
+ , Flag "framework-path" (HasArg addFrameworkPath)
+ , Flag "framework" (hasArg addCmdlineFramework)
------- Output Redirection ------------------------------------------
- , Flag "odir" (HasArg (upd . setObjectDir)) Supported
- , Flag "o" (SepArg (upd . setOutputFile . Just)) Supported
- , Flag "ohi" (HasArg (upd . setOutputHi . Just )) Supported
- , Flag "osuf" (HasArg (upd . setObjectSuf)) Supported
- , Flag "hcsuf" (HasArg (upd . setHcSuf)) Supported
- , Flag "hisuf" (HasArg (upd . setHiSuf)) Supported
- , Flag "hidir" (HasArg (upd . setHiDir)) Supported
- , Flag "tmpdir" (HasArg (upd . setTmpDir)) Supported
- , Flag "stubdir" (HasArg (upd . setStubDir)) Supported
- , Flag "outputdir" (HasArg (upd . setOutputDir)) Supported
- , Flag "ddump-file-prefix" (HasArg (upd . setDumpPrefixForce . Just))
- Supported
+ , Flag "odir" (hasArg setObjectDir)
+ , Flag "o" (SepArg (upd . setOutputFile . Just))
+ , Flag "ohi" (hasArg (setOutputHi . Just ))
+ , Flag "osuf" (hasArg setObjectSuf)
+ , Flag "hcsuf" (hasArg setHcSuf)
+ , Flag "hisuf" (hasArg setHiSuf)
+ , Flag "hidir" (hasArg setHiDir)
+ , Flag "tmpdir" (hasArg setTmpDir)
+ , Flag "stubdir" (hasArg setStubDir)
+ , Flag "outputdir" (hasArg setOutputDir)
+ , Flag "ddump-file-prefix" (hasArg (setDumpPrefixForce . Just))
------- Keeping temporary files -------------------------------------
-- These can be singular (think ghc -c) or plural (think ghc --make)
- , Flag "keep-hc-file" (NoArg (setDynFlag Opt_KeepHcFiles)) Supported
- , Flag "keep-hc-files" (NoArg (setDynFlag Opt_KeepHcFiles)) Supported
- , Flag "keep-s-file" (NoArg (setDynFlag Opt_KeepSFiles)) Supported
- , Flag "keep-s-files" (NoArg (setDynFlag Opt_KeepSFiles)) Supported
- , Flag "keep-raw-s-file" (NoArg (setDynFlag Opt_KeepRawSFiles)) Supported
- , Flag "keep-raw-s-files" (NoArg (setDynFlag Opt_KeepRawSFiles)) Supported
- , Flag "keep-llvm-file" (NoArg (setDynFlag Opt_KeepLlvmFiles)) Supported
- , Flag "keep-llvm-files" (NoArg (setDynFlag Opt_KeepLlvmFiles)) Supported
+ , Flag "keep-hc-file" (NoArg (setDynFlag Opt_KeepHcFiles))
+ , Flag "keep-hc-files" (NoArg (setDynFlag Opt_KeepHcFiles))
+ , Flag "keep-s-file" (NoArg (setDynFlag Opt_KeepSFiles))
+ , Flag "keep-s-files" (NoArg (setDynFlag Opt_KeepSFiles))
+ , Flag "keep-raw-s-file" (NoArg (addWarn "The -keep-raw-s-file flag does nothing; it will be removed in a future GHC release"))
+ , Flag "keep-raw-s-files" (NoArg (addWarn "The -keep-raw-s-files flag does nothing; it will be removed in a future GHC release"))
+ , Flag "keep-llvm-file" (NoArg (setDynFlag Opt_KeepLlvmFiles))
+ , Flag "keep-llvm-files" (NoArg (setDynFlag Opt_KeepLlvmFiles))
-- This only makes sense as plural
- , Flag "keep-tmp-files" (NoArg (setDynFlag Opt_KeepTmpFiles)) Supported
+ , Flag "keep-tmp-files" (NoArg (setDynFlag Opt_KeepTmpFiles))
------- Miscellaneous ----------------------------------------------
- , Flag "no-auto-link-packages" (NoArg (unSetDynFlag Opt_AutoLinkPackages)) Supported
- , Flag "no-hs-main" (NoArg (setDynFlag Opt_NoHsMain)) Supported
- , Flag "with-rtsopts" (HasArg setRtsOpts) Supported
- , Flag "rtsopts" (NoArg (setDynFlag Opt_RtsOptsEnabled)) Supported
- , Flag "no-rtsopts" (NoArg (unSetDynFlag Opt_RtsOptsEnabled)) Supported
- , Flag "main-is" (SepArg setMainIs ) Supported
- , Flag "haddock" (NoArg (setDynFlag Opt_Haddock)) Supported
- , Flag "haddock-opts" (HasArg (upd . addHaddockOpts)) Supported
- , Flag "hpcdir" (SepArg setOptHpcDir) Supported
+ , Flag "no-auto-link-packages" (NoArg (unSetDynFlag Opt_AutoLinkPackages))
+ , Flag "no-hs-main" (NoArg (setDynFlag Opt_NoHsMain))
+ , Flag "with-rtsopts" (HasArg setRtsOpts)
+ , Flag "rtsopts" (NoArg (setRtsOptsEnabled RtsOptsAll))
+ , Flag "rtsopts=all" (NoArg (setRtsOptsEnabled RtsOptsAll))
+ , Flag "rtsopts=some" (NoArg (setRtsOptsEnabled RtsOptsSafeOnly))
+ , Flag "rtsopts=none" (NoArg (setRtsOptsEnabled RtsOptsNone))
+ , Flag "no-rtsopts" (NoArg (setRtsOptsEnabled RtsOptsNone))
+ , Flag "main-is" (SepArg setMainIs)
+ , Flag "haddock" (NoArg (setDynFlag Opt_Haddock))
+ , Flag "haddock-opts" (hasArg addHaddockOpts)
+ , Flag "hpcdir" (SepArg setOptHpcDir)
------- recompilation checker --------------------------------------
- , Flag "recomp" (NoArg (unSetDynFlag Opt_ForceRecomp))
- (Deprecated "Use -fno-force-recomp instead")
- , Flag "no-recomp" (NoArg (setDynFlag Opt_ForceRecomp))
- (Deprecated "Use -fforce-recomp instead")
+ , Flag "recomp" (NoArg (do { unSetDynFlag Opt_ForceRecomp
+ ; deprecate "Use -fno-force-recomp instead" }))
+ , Flag "no-recomp" (NoArg (do { setDynFlag Opt_ForceRecomp
+ ; deprecate "Use -fforce-recomp instead" }))
------ HsCpp opts ---------------------------------------------------
- , Flag "D" (AnySuffix (upd . addOptP)) Supported
- , Flag "U" (AnySuffix (upd . addOptP)) Supported
+ , Flag "D" (AnySuffix (upd . addOptP))
+ , Flag "U" (AnySuffix (upd . addOptP))
------- Include/Import Paths ----------------------------------------
- , Flag "I" (Prefix addIncludePath) Supported
- , Flag "i" (OptPrefix addImportPath ) Supported
+ , Flag "I" (Prefix addIncludePath)
+ , Flag "i" (OptPrefix addImportPath)
------ Debugging ----------------------------------------------------
- , Flag "dstg-stats" (NoArg (setDynFlag Opt_StgStats)) Supported
+ , Flag "dstg-stats" (NoArg (setDynFlag Opt_StgStats))
, Flag "ddump-cmm" (setDumpFlag Opt_D_dump_cmm)
- Supported
+ , Flag "ddump-raw-cmm" (setDumpFlag Opt_D_dump_raw_cmm)
, Flag "ddump-cmmz" (setDumpFlag Opt_D_dump_cmmz)
- Supported
, Flag "ddump-cmmz-pretty" (setDumpFlag Opt_D_dump_cmmz_pretty)
- Supported
+ , Flag "ddump-core-stats" (setDumpFlag Opt_D_dump_core_stats)
, Flag "ddump-cps-cmm" (setDumpFlag Opt_D_dump_cps_cmm)
- Supported
, Flag "ddump-cvt-cmm" (setDumpFlag Opt_D_dump_cvt_cmm)
- Supported
, Flag "ddump-asm" (setDumpFlag Opt_D_dump_asm)
- Supported
, Flag "ddump-asm-native" (setDumpFlag Opt_D_dump_asm_native)
- Supported
, Flag "ddump-asm-liveness" (setDumpFlag Opt_D_dump_asm_liveness)
- Supported
, Flag "ddump-asm-coalesce" (setDumpFlag Opt_D_dump_asm_coalesce)
- Supported
, Flag "ddump-asm-regalloc" (setDumpFlag Opt_D_dump_asm_regalloc)
- Supported
, Flag "ddump-asm-conflicts" (setDumpFlag Opt_D_dump_asm_conflicts)
- Supported
- , Flag "ddump-asm-regalloc-stages"
- (setDumpFlag Opt_D_dump_asm_regalloc_stages)
- Supported
+ , Flag "ddump-asm-regalloc-stages" (setDumpFlag Opt_D_dump_asm_regalloc_stages)
, Flag "ddump-asm-stats" (setDumpFlag Opt_D_dump_asm_stats)
- Supported
, Flag "ddump-asm-expanded" (setDumpFlag Opt_D_dump_asm_expanded)
- Supported
, Flag "ddump-llvm" (NoArg (do { setObjTarget HscLlvm
; setDumpFlag' Opt_D_dump_llvm}))
- Supported
, Flag "ddump-cpranal" (setDumpFlag Opt_D_dump_cpranal)
- Supported
, Flag "ddump-deriv" (setDumpFlag Opt_D_dump_deriv)
- Supported
, Flag "ddump-ds" (setDumpFlag Opt_D_dump_ds)
- Supported
, Flag "ddump-flatC" (setDumpFlag Opt_D_dump_flatC)
- Supported
, Flag "ddump-foreign" (setDumpFlag Opt_D_dump_foreign)
- Supported
, Flag "ddump-inlinings" (setDumpFlag Opt_D_dump_inlinings)
- Supported
, Flag "ddump-rule-firings" (setDumpFlag Opt_D_dump_rule_firings)
- Supported
+ , Flag "ddump-rule-rewrites" (setDumpFlag Opt_D_dump_rule_rewrites)
, Flag "ddump-occur-anal" (setDumpFlag Opt_D_dump_occur_anal)
- Supported
, Flag "ddump-parsed" (setDumpFlag Opt_D_dump_parsed)
- Supported
, Flag "ddump-rn" (setDumpFlag Opt_D_dump_rn)
- Supported
, Flag "ddump-simpl" (setDumpFlag Opt_D_dump_simpl)
- Supported
, Flag "ddump-simpl-iterations" (setDumpFlag Opt_D_dump_simpl_iterations)
- Supported
, Flag "ddump-simpl-phases" (OptPrefix setDumpSimplPhases)
- Supported
, Flag "ddump-spec" (setDumpFlag Opt_D_dump_spec)
- Supported
, Flag "ddump-prep" (setDumpFlag Opt_D_dump_prep)
- Supported
, Flag "ddump-stg" (setDumpFlag Opt_D_dump_stg)
- Supported
, Flag "ddump-stranal" (setDumpFlag Opt_D_dump_stranal)
- Supported
, Flag "ddump-tc" (setDumpFlag Opt_D_dump_tc)
- Supported
, Flag "ddump-types" (setDumpFlag Opt_D_dump_types)
- Supported
, Flag "ddump-rules" (setDumpFlag Opt_D_dump_rules)
- Supported
, Flag "ddump-cse" (setDumpFlag Opt_D_dump_cse)
- Supported
, Flag "ddump-worker-wrapper" (setDumpFlag Opt_D_dump_worker_wrapper)
- Supported
, Flag "ddump-rn-trace" (setDumpFlag Opt_D_dump_rn_trace)
- Supported
, Flag "ddump-if-trace" (setDumpFlag Opt_D_dump_if_trace)
- Supported
+ , Flag "ddump-cs-trace" (setDumpFlag Opt_D_dump_cs_trace)
, Flag "ddump-tc-trace" (setDumpFlag Opt_D_dump_tc_trace)
- Supported
+ , Flag "ddump-vt-trace" (setDumpFlag Opt_D_dump_vt_trace)
, Flag "ddump-splices" (setDumpFlag Opt_D_dump_splices)
- Supported
, Flag "ddump-rn-stats" (setDumpFlag Opt_D_dump_rn_stats)
- Supported
, Flag "ddump-opt-cmm" (setDumpFlag Opt_D_dump_opt_cmm)
- Supported
, Flag "ddump-simpl-stats" (setDumpFlag Opt_D_dump_simpl_stats)
- Supported
, Flag "ddump-bcos" (setDumpFlag Opt_D_dump_BCOs)
- Supported
, Flag "dsource-stats" (setDumpFlag Opt_D_source_stats)
- Supported
, Flag "dverbose-core2core" (NoArg (do { setVerbosity (Just 2)
; setVerboseCore2Core }))
- Supported
, Flag "dverbose-stg2stg" (setDumpFlag Opt_D_verbose_stg2stg)
- Supported
, Flag "ddump-hi" (setDumpFlag Opt_D_dump_hi)
- Supported
, Flag "ddump-minimal-imports" (setDumpFlag Opt_D_dump_minimal_imports)
- Supported
, Flag "ddump-vect" (setDumpFlag Opt_D_dump_vect)
- Supported
, Flag "ddump-hpc" (setDumpFlag Opt_D_dump_hpc)
- Supported
, Flag "ddump-mod-cycles" (setDumpFlag Opt_D_dump_mod_cycles)
- Supported
, Flag "ddump-view-pattern-commoning" (setDumpFlag Opt_D_dump_view_pattern_commoning)
- Supported
, Flag "ddump-to-file" (setDumpFlag Opt_DumpToFile)
- Supported
, Flag "ddump-hi-diffs" (setDumpFlag Opt_D_dump_hi_diffs)
- Supported
, Flag "ddump-rtti" (setDumpFlag Opt_D_dump_rtti)
- Supported
-
, Flag "dcore-lint" (NoArg (setDynFlag Opt_DoCoreLinting))
- Supported
, Flag "dstg-lint" (NoArg (setDynFlag Opt_DoStgLinting))
- Supported
, Flag "dcmm-lint" (NoArg (setDynFlag Opt_DoCmmLinting))
- Supported
, Flag "dasm-lint" (NoArg (setDynFlag Opt_DoAsmLinting))
- Supported
- , Flag "dshow-passes"
- (NoArg (do forceRecompile
- setVerbosity (Just 2)))
- Supported
+ , Flag "dshow-passes" (NoArg (do forceRecompile
+ setVerbosity (Just 2)))
, Flag "dfaststring-stats" (NoArg (setDynFlag Opt_D_faststring_stats))
- Supported
- ------ Machine dependant (-m<blah>) stuff ---------------------------
+ ------ Coq-in-GHC ---------------------------
+ , Flag "ddump-proofs" (NoArg (setDynFlag Opt_D_dump_proofs))
+ , Flag "ddump-coqpass" (NoArg (setDynFlag Opt_D_coqpass))
+ , Flag "fcoqpass" (NoArg (setDynFlag Opt_F_coqpass))
+ , Flag "fflatten" (NoArg (do { setDynFlag Opt_F_coqpass ; setDynFlag Opt_F_flatten }))
+ , Flag "funsafe-skolemize" (NoArg (do { setDynFlag Opt_F_coqpass ; setDynFlag Opt_F_flatten ; setDynFlag Opt_F_skolemize }))
- , Flag "monly-2-regs" (NoArg (upd (\s -> s{stolen_x86_regs = 2}) ))
- Supported
- , Flag "monly-3-regs" (NoArg (upd (\s -> s{stolen_x86_regs = 3}) ))
- Supported
- , Flag "monly-4-regs" (NoArg (upd (\s -> s{stolen_x86_regs = 4}) ))
- Supported
+ ------ Machine dependant (-m<blah>) stuff ---------------------------
- , Flag "msse2" (NoArg (setDynFlag Opt_SSE2))
- Supported
+ , Flag "monly-2-regs" (NoArg (addWarn "The -monly-2-regs flag does nothing; it will be removed in a future GHC release"))
+ , Flag "monly-3-regs" (NoArg (addWarn "The -monly-3-regs flag does nothing; it will be removed in a future GHC release"))
+ , Flag "monly-4-regs" (NoArg (addWarn "The -monly-4-regs flag does nothing; it will be removed in a future GHC release"))
+ , Flag "msse2" (NoArg (setDynFlag Opt_SSE2))
------ Warning opts -------------------------------------------------
, Flag "W" (NoArg (mapM_ setDynFlag minusWOpts))
- Supported
, Flag "Werror" (NoArg (setDynFlag Opt_WarnIsError))
- Supported
, Flag "Wwarn" (NoArg (unSetDynFlag Opt_WarnIsError))
- Supported
, Flag "Wall" (NoArg (mapM_ setDynFlag minusWallOpts))
- Supported
- , Flag "Wnot" (NoArg (mapM_ unSetDynFlag minusWallOpts))
- (Deprecated "Use -w instead")
+ , Flag "Wnot" (NoArg (do { mapM_ unSetDynFlag minusWallOpts
+ ; deprecate "Use -w instead" }))
, Flag "w" (NoArg (mapM_ unSetDynFlag minuswRemovesOpts))
- Supported
------ Optimisation flags ------------------------------------------
- , Flag "O" (NoArg (upd (setOptLevel 1))) Supported
- , Flag "Onot" (NoArg (upd (setOptLevel 0)))
- (Deprecated "Use -O0 instead")
- , Flag "Odph" (NoArg (upd setDPHOpt)) Supported
+ , Flag "O" (noArg (setOptLevel 1))
+ , Flag "Onot" (noArgDF (setOptLevel 0) "Use -O0 instead")
+ , Flag "Odph" (noArg setDPHOpt)
, Flag "O" (OptIntSuffix (\mb_n -> upd (setOptLevel (mb_n `orElse` 1))))
- Supported
-- If the number is missing, use 1
- , Flag "fsimplifier-phases"
- (IntSuffix (\n -> upd (\dfs -> dfs{ simplPhases = n })))
- Supported
- , Flag "fmax-simplifier-iterations"
- (IntSuffix (\n -> upd (\dfs -> dfs{ maxSimplIterations = n })))
- Supported
-
- , Flag "fspec-constr-threshold"
- (IntSuffix (\n -> upd (\dfs -> dfs{ specConstrThreshold = Just n })))
- Supported
- , Flag "fno-spec-constr-threshold"
- (NoArg (upd (\dfs -> dfs{ specConstrThreshold = Nothing })))
- Supported
- , Flag "fspec-constr-count"
- (IntSuffix (\n -> upd (\dfs -> dfs{ specConstrCount = Just n })))
- Supported
- , Flag "fno-spec-constr-count"
- (NoArg (upd (\dfs -> dfs{ specConstrCount = Nothing })))
- Supported
- , Flag "fliberate-case-threshold"
- (IntSuffix (\n -> upd (\dfs -> dfs{ liberateCaseThreshold = Just n })))
- Supported
- , Flag "fno-liberate-case-threshold"
- (NoArg (upd (\dfs -> dfs{ liberateCaseThreshold = Nothing })))
- Supported
-
- , Flag "frule-check"
- (SepArg (\s -> upd (\dfs -> dfs{ ruleCheck = Just s })))
- Supported
- , Flag "fcontext-stack"
- (IntSuffix $ \n -> upd $ \dfs -> dfs{ ctxtStkDepth = n })
- Supported
-
- , Flag "fstrictness-before"
- (IntSuffix (\n -> upd (\dfs -> dfs{ strictnessBefore = n : strictnessBefore dfs })))
- Supported
+ , Flag "fsimplifier-phases" (intSuffix (\n d -> d{ simplPhases = n }))
+ , Flag "fmax-simplifier-iterations" (intSuffix (\n d -> d{ maxSimplIterations = n }))
+ , Flag "fspec-constr-threshold" (intSuffix (\n d -> d{ specConstrThreshold = Just n }))
+ , Flag "fno-spec-constr-threshold" (noArg (\d -> d{ specConstrThreshold = Nothing }))
+ , Flag "fspec-constr-count" (intSuffix (\n d -> d{ specConstrCount = Just n }))
+ , Flag "fno-spec-constr-count" (noArg (\d -> d{ specConstrCount = Nothing }))
+ , Flag "fliberate-case-threshold" (intSuffix (\n d -> d{ liberateCaseThreshold = Just n }))
+ , Flag "fno-liberate-case-threshold" (noArg (\d -> d{ liberateCaseThreshold = Nothing }))
+ , Flag "frule-check" (SepArg (\s -> upd (\d -> d{ ruleCheck = Just s })))
+ , Flag "fcontext-stack" (intSuffix (\n d -> d{ ctxtStkDepth = n }))
+ , Flag "fstrictness-before" (intSuffix (\n d -> d{ strictnessBefore = n : strictnessBefore d }))
+ , Flag "ffloat-lam-args" (intSuffix (\n d -> d{ floatLamArgs = Just n }))
+ , Flag "ffloat-all-lams" (noArg (\d -> d{ floatLamArgs = Nothing }))
------ Profiling ----------------------------------------------------
-- XXX Should the -f* flags be deprecated?
-- They don't seem to be documented
- , Flag "fauto-sccs-on-all-toplevs"
- (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
- Supported
- , Flag "auto-all"
- (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
- Supported
- , Flag "no-auto-all"
- (NoArg (unSetDynFlag Opt_AutoSccsOnAllToplevs))
- Supported
- , Flag "fauto-sccs-on-exported-toplevs"
- (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
- Supported
- , Flag "auto"
- (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
- Supported
- , Flag "no-auto"
- (NoArg (unSetDynFlag Opt_AutoSccsOnExportedToplevs))
- Supported
- , Flag "fauto-sccs-on-individual-cafs"
- (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
- Supported
- , Flag "caf-all"
- (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
- Supported
- , Flag "no-caf-all"
- (NoArg (unSetDynFlag Opt_AutoSccsOnIndividualCafs))
- Supported
+ , Flag "fauto-sccs-on-all-toplevs" (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
+ , Flag "auto-all" (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
+ , Flag "no-auto-all" (NoArg (unSetDynFlag Opt_AutoSccsOnAllToplevs))
+ , Flag "fauto-sccs-on-exported-toplevs" (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
+ , Flag "auto" (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
+ , Flag "no-auto" (NoArg (unSetDynFlag Opt_AutoSccsOnExportedToplevs))
+ , Flag "fauto-sccs-on-individual-cafs" (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
+ , Flag "caf-all" (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
+ , Flag "no-caf-all" (NoArg (unSetDynFlag Opt_AutoSccsOnIndividualCafs))
------ DPH flags ----------------------------------------------------
- , Flag "fdph-seq"
- (NoArg (setDPHBackend DPHSeq))
- Supported
- , Flag "fdph-par"
- (NoArg (setDPHBackend DPHPar))
- Supported
- , Flag "fdph-this"
- (NoArg (setDPHBackend DPHThis))
- Supported
+ , Flag "fdph-seq" (NoArg (setDPHBackend DPHSeq))
+ , Flag "fdph-par" (NoArg (setDPHBackend DPHPar))
+ , Flag "fdph-this" (NoArg (setDPHBackend DPHThis))
+ , Flag "fdph-none" (NoArg (setDPHBackend DPHNone))
------ Compiler flags -----------------------------------------------
- , Flag "fasm" (NoArg (setObjTarget HscAsm)) Supported
- , Flag "fvia-c" (NoArg (setObjTarget HscC))
- (Deprecated "The -fvia-c flag will be removed in a future GHC release")
- , Flag "fvia-C" (NoArg (setObjTarget HscC))
- (Deprecated "The -fvia-C flag will be removed in a future GHC release")
- , Flag "fllvm" (NoArg (setObjTarget HscLlvm)) Supported
+ , Flag "fasm" (NoArg (setObjTarget HscAsm))
+ , 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 }
setTarget HscNothing))
- Supported
- , Flag "fbyte-code" (NoArg (setTarget HscInterpreted)) Supported
- , Flag "fobject-code" (NoArg (setTarget defaultHscTarget)) Supported
-
- , Flag "fglasgow-exts" (NoArg enableGlasgowExts)
- Supported
- , Flag "fno-glasgow-exts" (NoArg disableGlasgowExts)
- Supported
+ , Flag "fbyte-code" (NoArg (setTarget HscInterpreted))
+ , Flag "fobject-code" (NoArg (setTarget defaultHscTarget))
+ , Flag "fglasgow-exts" (NoArg (enableGlasgowExts >> deprecate "Use individual extensions instead"))
+ , Flag "fno-glasgow-exts" (NoArg (disableGlasgowExts >> deprecate "Use individual extensions instead"))
]
- ++ map (mkFlag True "f" setDynFlag ) fFlags
- ++ map (mkFlag False "fno-" unSetDynFlag) fFlags
- ++ map (mkFlag True "f" setLanguageFlag ) fLangFlags
- ++ map (mkFlag False "fno-" unSetLanguageFlag) fLangFlags
- ++ map (mkFlag True "X" setLanguageFlag ) xFlags
- ++ map (mkFlag False "XNo" unSetLanguageFlag) xFlags
-
-package_flags :: [Flag DynP]
+ ++ map (mkFlag turnOn "f" setDynFlag ) fFlags
+ ++ map (mkFlag turnOff "fno-" unSetDynFlag) fFlags
+ ++ map (mkFlag turnOn "f" setExtensionFlag ) fLangFlags
+ ++ map (mkFlag turnOff "fno-" unSetExtensionFlag) fLangFlags
+ ++ map (mkFlag turnOn "X" setExtensionFlag ) xFlags
+ ++ map (mkFlag turnOff "XNo" unSetExtensionFlag) xFlags
+ ++ map (mkFlag turnOn "X" setLanguage) languageFlags
+
+package_flags :: [Flag (CmdLineP DynFlags)]
package_flags = [
------- Packages ----------------------------------------------------
- Flag "package-conf" (HasArg extraPkgConf_) Supported
+ Flag "package-conf" (HasArg extraPkgConf_)
, Flag "no-user-package-conf" (NoArg (unSetDynFlag Opt_ReadUserPackageConf))
- Supported
- , Flag "package-name" (HasArg (upd . setPackageName)) Supported
- , Flag "package-id" (HasArg exposePackageId) Supported
- , Flag "package" (HasArg exposePackage) Supported
- , Flag "hide-package" (HasArg hidePackage) Supported
- , Flag "hide-all-packages" (NoArg (setDynFlag Opt_HideAllPackages))
- Supported
- , Flag "ignore-package" (HasArg ignorePackage)
- Supported
- , Flag "syslib" (HasArg exposePackage)
- (Deprecated "Use -package instead")
+ , Flag "package-name" (hasArg setPackageName)
+ , Flag "package-id" (HasArg exposePackageId)
+ , Flag "package" (HasArg exposePackage)
+ , Flag "hide-package" (HasArg hidePackage)
+ , Flag "hide-all-packages" (NoArg (setDynFlag Opt_HideAllPackages))
+ , Flag "ignore-package" (HasArg ignorePackage)
+ , Flag "syslib" (HasArg (\s -> do { exposePackage s
+ ; deprecate "Use -package instead" }))
]
-mkFlag :: Bool -- ^ True <=> it should be turned on
+type TurnOnFlag = Bool -- True <=> we are turning the flag on
+ -- False <=> we are turning the flag off
+turnOn :: TurnOnFlag; turnOn = True
+turnOff :: TurnOnFlag; turnOff = False
+
+type FlagSpec flag
+ = ( String -- Flag in string form
+ , flag -- Flag in internal form
+ , TurnOnFlag -> DynP ()) -- Extra action to run when the flag is found
+ -- Typically, emit a warning or error
+
+mkFlag :: TurnOnFlag -- ^ True <=> it should be turned on
-> String -- ^ The flag prefix
- -> (flag -> DynP ())
- -> (String, flag, Bool -> Deprecated)
- -> Flag DynP
-mkFlag turnOn flagPrefix f (name, flag, deprecated)
- = Flag (flagPrefix ++ name) (NoArg (f flag)) (deprecated turnOn)
-
-deprecatedForLanguage :: String -> Bool -> Deprecated
-deprecatedForLanguage lang turn_on
- = Deprecated ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ " #-} instead")
+ -> (flag -> DynP ()) -- ^ What to do when the flag is found
+ -> FlagSpec flag -- ^ Specification of this particular flag
+ -> Flag (CmdLineP DynFlags)
+mkFlag turn_on flagPrefix f (name, flag, extra_action)
+ = Flag (flagPrefix ++ name) (NoArg (f flag >> extra_action turn_on))
+
+deprecatedForExtension :: String -> TurnOnFlag -> DynP ()
+deprecatedForExtension lang turn_on
+ = deprecate ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ " #-} instead")
where
flag | turn_on = lang
| otherwise = "No"++lang
-useInstead :: String -> Bool -> Deprecated
+useInstead :: String -> TurnOnFlag -> DynP ()
useInstead flag turn_on
- = Deprecated ("Use -f" ++ no ++ flag ++ " instead")
+ = deprecate ("Use -f" ++ no ++ flag ++ " instead")
where
no = if turn_on then "" else "no-"
+nop :: TurnOnFlag -> DynP ()
+nop _ = return ()
+
-- | These @-f\<blah\>@ flags can all be reversed with @-fno-\<blah\>@
-fFlags :: [(String, DynFlag, Bool -> Deprecated)]
+fFlags :: [FlagSpec DynFlag]
fFlags = [
- ( "warn-dodgy-foreign-imports", Opt_WarnDodgyForeignImports, const Supported ),
- ( "warn-dodgy-exports", Opt_WarnDodgyExports, const Supported ),
- ( "warn-dodgy-imports", Opt_WarnDodgyImports, const Supported ),
- ( "warn-duplicate-exports", Opt_WarnDuplicateExports, const Supported ),
- ( "warn-hi-shadowing", Opt_WarnHiShadows, const Supported ),
- ( "warn-implicit-prelude", Opt_WarnImplicitPrelude, const Supported ),
- ( "warn-incomplete-patterns", Opt_WarnIncompletePatterns, const Supported ),
- ( "warn-incomplete-record-updates", Opt_WarnIncompletePatternsRecUpd, const Supported ),
- ( "warn-missing-fields", Opt_WarnMissingFields, const Supported ),
- ( "warn-missing-import-lists", Opt_WarnMissingImportList, const Supported ),
- ( "warn-missing-methods", Opt_WarnMissingMethods, const Supported ),
- ( "warn-missing-signatures", Opt_WarnMissingSigs, const Supported ),
- ( "warn-name-shadowing", Opt_WarnNameShadowing, const Supported ),
- ( "warn-overlapping-patterns", Opt_WarnOverlappingPatterns, const Supported ),
- ( "warn-simple-patterns", Opt_WarnSimplePatterns, const Supported ),
- ( "warn-type-defaults", Opt_WarnTypeDefaults, const Supported ),
- ( "warn-monomorphism-restriction", Opt_WarnMonomorphism, const Supported ),
- ( "warn-unused-binds", Opt_WarnUnusedBinds, const Supported ),
- ( "warn-unused-imports", Opt_WarnUnusedImports, const Supported ),
- ( "warn-unused-matches", Opt_WarnUnusedMatches, const Supported ),
- ( "warn-warnings-deprecations", Opt_WarnWarningsDeprecations, const Supported ),
- ( "warn-deprecations", Opt_WarnWarningsDeprecations, const Supported ),
- ( "warn-deprecated-flags", Opt_WarnDeprecatedFlags, const Supported ),
- ( "warn-orphans", Opt_WarnOrphans, const Supported ),
- ( "warn-tabs", Opt_WarnTabs, const Supported ),
- ( "warn-unrecognised-pragmas", Opt_WarnUnrecognisedPragmas, const Supported ),
- ( "warn-lazy-unlifted-bindings", Opt_WarnLazyUnliftedBindings,
- const $ Deprecated "lazy unlifted bindings will be an error in GHC 6.14, and this flag will no longer exist"),
- ( "warn-unused-do-bind", Opt_WarnUnusedDoBind, const Supported ),
- ( "warn-wrong-do-bind", Opt_WarnWrongDoBind, const Supported ),
- ( "warn-alternative-layout-rule-transitional", Opt_WarnAlternativeLayoutRuleTransitional, const Supported ),
- ( "print-explicit-foralls", Opt_PrintExplicitForalls, const Supported ),
- ( "strictness", Opt_Strictness, const Supported ),
- ( "specialise", Opt_Specialise, const Supported ),
- ( "float-in", Opt_FloatIn, const Supported ),
- ( "static-argument-transformation", Opt_StaticArgumentTransformation, const Supported ),
- ( "full-laziness", Opt_FullLaziness, const Supported ),
- ( "liberate-case", Opt_LiberateCase, const Supported ),
- ( "spec-constr", Opt_SpecConstr, const Supported ),
- ( "cse", Opt_CSE, const Supported ),
- ( "ignore-interface-pragmas", Opt_IgnoreInterfacePragmas, const Supported ),
- ( "omit-interface-pragmas", Opt_OmitInterfacePragmas, const Supported ),
- ( "expose-all-unfoldings", Opt_ExposeAllUnfoldings, const Supported ),
- ( "do-lambda-eta-expansion", Opt_DoLambdaEtaExpansion, const Supported ),
- ( "ignore-asserts", Opt_IgnoreAsserts, const Supported ),
- ( "do-eta-reduction", Opt_DoEtaReduction, const Supported ),
- ( "case-merge", Opt_CaseMerge, const Supported ),
- ( "unbox-strict-fields", Opt_UnboxStrictFields, const Supported ),
- ( "method-sharing", Opt_MethodSharing, const Supported ),
- ( "dicts-cheap", Opt_DictsCheap, const Supported ),
- ( "excess-precision", Opt_ExcessPrecision, const Supported ),
- ( "eager-blackholing", Opt_EagerBlackHoling, const Supported ),
- ( "asm-mangling", Opt_DoAsmMangling, const Supported ),
- ( "print-bind-result", Opt_PrintBindResult, const Supported ),
- ( "force-recomp", Opt_ForceRecomp, const Supported ),
- ( "hpc-no-auto", Opt_Hpc_No_Auto, const Supported ),
+ ( "warn-dodgy-foreign-imports", Opt_WarnDodgyForeignImports, nop ),
+ ( "warn-dodgy-exports", Opt_WarnDodgyExports, nop ),
+ ( "warn-dodgy-imports", Opt_WarnDodgyImports, nop ),
+ ( "warn-duplicate-exports", Opt_WarnDuplicateExports, nop ),
+ ( "warn-hi-shadowing", Opt_WarnHiShadows, nop ),
+ ( "warn-implicit-prelude", Opt_WarnImplicitPrelude, nop ),
+ ( "warn-incomplete-patterns", Opt_WarnIncompletePatterns, nop ),
+ ( "warn-incomplete-uni-patterns", Opt_WarnIncompleteUniPatterns, nop ),
+ ( "warn-incomplete-record-updates", Opt_WarnIncompletePatternsRecUpd, nop ),
+ ( "warn-missing-fields", Opt_WarnMissingFields, nop ),
+ ( "warn-missing-import-lists", Opt_WarnMissingImportList, nop ),
+ ( "warn-missing-methods", Opt_WarnMissingMethods, nop ),
+ ( "warn-missing-signatures", Opt_WarnMissingSigs, nop ),
+ ( "warn-missing-local-sigs", Opt_WarnMissingLocalSigs, nop ),
+ ( "warn-name-shadowing", Opt_WarnNameShadowing, nop ),
+ ( "warn-overlapping-patterns", Opt_WarnOverlappingPatterns, nop ),
+ ( "warn-type-defaults", Opt_WarnTypeDefaults, nop ),
+ ( "warn-monomorphism-restriction", Opt_WarnMonomorphism, nop ),
+ ( "warn-unused-binds", Opt_WarnUnusedBinds, nop ),
+ ( "warn-unused-imports", Opt_WarnUnusedImports, nop ),
+ ( "warn-unused-matches", Opt_WarnUnusedMatches, nop ),
+ ( "warn-warnings-deprecations", Opt_WarnWarningsDeprecations, nop ),
+ ( "warn-deprecations", Opt_WarnWarningsDeprecations, nop ),
+ ( "warn-deprecated-flags", Opt_WarnDeprecatedFlags, nop ),
+ ( "warn-orphans", Opt_WarnOrphans, nop ),
+ ( "warn-identities", Opt_WarnIdentities, nop ),
+ ( "warn-auto-orphans", Opt_WarnAutoOrphans, nop ),
+ ( "warn-tabs", Opt_WarnTabs, nop ),
+ ( "warn-unrecognised-pragmas", Opt_WarnUnrecognisedPragmas, nop ),
+ ( "warn-lazy-unlifted-bindings", Opt_WarnLazyUnliftedBindings, nop),
+ ( "warn-unused-do-bind", Opt_WarnUnusedDoBind, nop ),
+ ( "warn-wrong-do-bind", Opt_WarnWrongDoBind, nop ),
+ ( "warn-alternative-layout-rule-transitional", Opt_WarnAlternativeLayoutRuleTransitional, nop ),
+ ( "print-explicit-foralls", Opt_PrintExplicitForalls, nop ),
+ ( "strictness", Opt_Strictness, nop ),
+ ( "specialise", Opt_Specialise, nop ),
+ ( "float-in", Opt_FloatIn, nop ),
+ ( "static-argument-transformation", Opt_StaticArgumentTransformation, nop ),
+ ( "full-laziness", Opt_FullLaziness, nop ),
+ ( "liberate-case", Opt_LiberateCase, nop ),
+ ( "spec-constr", Opt_SpecConstr, nop ),
+ ( "cse", Opt_CSE, nop ),
+ ( "ignore-interface-pragmas", Opt_IgnoreInterfacePragmas, nop ),
+ ( "omit-interface-pragmas", Opt_OmitInterfacePragmas, nop ),
+ ( "expose-all-unfoldings", Opt_ExposeAllUnfoldings, nop ),
+ ( "do-lambda-eta-expansion", Opt_DoLambdaEtaExpansion, nop ),
+ ( "ignore-asserts", Opt_IgnoreAsserts, nop ),
+ ( "do-eta-reduction", Opt_DoEtaReduction, nop ),
+ ( "case-merge", Opt_CaseMerge, nop ),
+ ( "unbox-strict-fields", Opt_UnboxStrictFields, nop ),
+ ( "method-sharing", Opt_MethodSharing,
+ \_ -> deprecate "doesn't do anything any more"),
+ -- Remove altogether in GHC 7.2
+ ( "dicts-cheap", Opt_DictsCheap, nop ),
+ ( "excess-precision", Opt_ExcessPrecision, nop ),
+ ( "eager-blackholing", Opt_EagerBlackHoling, nop ),
+ ( "print-bind-result", Opt_PrintBindResult, nop ),
+ ( "force-recomp", Opt_ForceRecomp, nop ),
+ ( "hpc-no-auto", Opt_Hpc_No_Auto, nop ),
( "rewrite-rules", Opt_EnableRewriteRules, useInstead "enable-rewrite-rules" ),
- ( "enable-rewrite-rules", Opt_EnableRewriteRules, const Supported ),
- ( "break-on-exception", Opt_BreakOnException, const Supported ),
- ( "break-on-error", Opt_BreakOnError, const Supported ),
- ( "print-evld-with-show", Opt_PrintEvldWithShow, const Supported ),
- ( "print-bind-contents", Opt_PrintBindContents, const Supported ),
- ( "run-cps", Opt_RunCPS, const Supported ),
- ( "run-cpsz", Opt_RunCPSZ, const Supported ),
- ( "new-codegen", Opt_TryNewCodeGen, const Supported ),
- ( "convert-to-zipper-and-back", Opt_ConvertToZipCfgAndBack, const Supported ),
- ( "vectorise", Opt_Vectorise, const Supported ),
- ( "regs-graph", Opt_RegsGraph, const Supported ),
- ( "regs-iterative", Opt_RegsIterative, const Supported ),
- ( "gen-manifest", Opt_GenManifest, const Supported ),
- ( "embed-manifest", Opt_EmbedManifest, const Supported ),
- ( "ext-core", Opt_EmitExternalCore, const Supported ),
- ( "shared-implib", Opt_SharedImplib, const Supported ),
- ( "building-cabal-package", Opt_BuildingCabalPackage, const Supported ),
- ( "implicit-import-qualified", Opt_ImplicitImportQualified, const Supported )
+ ( "enable-rewrite-rules", Opt_EnableRewriteRules, nop ),
+ ( "break-on-exception", Opt_BreakOnException, nop ),
+ ( "break-on-error", Opt_BreakOnError, nop ),
+ ( "print-evld-with-show", Opt_PrintEvldWithShow, nop ),
+ ( "print-bind-contents", Opt_PrintBindContents, nop ),
+ ( "run-cps", Opt_RunCPS, nop ),
+ ( "run-cpsz", Opt_RunCPSZ, nop ),
+ ( "new-codegen", Opt_TryNewCodeGen, nop ),
+ ( "convert-to-zipper-and-back", Opt_ConvertToZipCfgAndBack, nop ),
+ ( "vectorise", Opt_Vectorise, nop ),
+ ( "regs-graph", Opt_RegsGraph, nop ),
+ ( "regs-iterative", Opt_RegsIterative, nop ),
+ ( "gen-manifest", Opt_GenManifest, nop ),
+ ( "embed-manifest", Opt_EmbedManifest, nop ),
+ ( "ext-core", Opt_EmitExternalCore, nop ),
+ ( "shared-implib", Opt_SharedImplib, nop ),
+ ( "ghci-sandbox", Opt_GhciSandbox, nop ),
+ ( "helpful-errors", Opt_HelpfulErrors, nop ),
+ ( "building-cabal-package", Opt_BuildingCabalPackage, nop ),
+ ( "implicit-import-qualified", Opt_ImplicitImportQualified, nop )
]
-- | These @-f\<blah\>@ flags can all be reversed with @-fno-\<blah\>@
-fLangFlags :: [(String, LanguageFlag, Bool -> Deprecated)]
+fLangFlags :: [FlagSpec ExtensionFlag]
fLangFlags = [
( "th", Opt_TemplateHaskell,
- deprecatedForLanguage "TemplateHaskell" ),
+ deprecatedForExtension "TemplateHaskell" >> checkTemplateHaskellOk ),
( "fi", Opt_ForeignFunctionInterface,
- deprecatedForLanguage "ForeignFunctionInterface" ),
+ deprecatedForExtension "ForeignFunctionInterface" ),
( "ffi", Opt_ForeignFunctionInterface,
- deprecatedForLanguage "ForeignFunctionInterface" ),
+ deprecatedForExtension "ForeignFunctionInterface" ),
( "arrows", Opt_Arrows,
- deprecatedForLanguage "Arrows" ),
+ deprecatedForExtension "Arrows" ),
( "generics", Opt_Generics,
- deprecatedForLanguage "Generics" ),
+ deprecatedForExtension "Generics" ),
( "implicit-prelude", Opt_ImplicitPrelude,
- deprecatedForLanguage "ImplicitPrelude" ),
+ deprecatedForExtension "ImplicitPrelude" ),
( "bang-patterns", Opt_BangPatterns,
- deprecatedForLanguage "BangPatterns" ),
+ deprecatedForExtension "BangPatterns" ),
( "monomorphism-restriction", Opt_MonomorphismRestriction,
- deprecatedForLanguage "MonomorphismRestriction" ),
+ deprecatedForExtension "MonomorphismRestriction" ),
( "mono-pat-binds", Opt_MonoPatBinds,
- deprecatedForLanguage "MonoPatBinds" ),
+ deprecatedForExtension "MonoPatBinds" ),
( "extended-default-rules", Opt_ExtendedDefaultRules,
- deprecatedForLanguage "ExtendedDefaultRules" ),
+ deprecatedForExtension "ExtendedDefaultRules" ),
( "implicit-params", Opt_ImplicitParams,
- deprecatedForLanguage "ImplicitParams" ),
+ deprecatedForExtension "ImplicitParams" ),
( "scoped-type-variables", Opt_ScopedTypeVariables,
- deprecatedForLanguage "ScopedTypeVariables" ),
- ( "parr", Opt_PArr,
- deprecatedForLanguage "PArr" ),
+ deprecatedForExtension "ScopedTypeVariables" ),
+ ( "parr", Opt_ParallelArrays,
+ deprecatedForExtension "ParallelArrays" ),
+ ( "PArr", Opt_ParallelArrays,
+ deprecatedForExtension "ParallelArrays" ),
( "allow-overlapping-instances", Opt_OverlappingInstances,
- deprecatedForLanguage "OverlappingInstances" ),
+ deprecatedForExtension "OverlappingInstances" ),
( "allow-undecidable-instances", Opt_UndecidableInstances,
- deprecatedForLanguage "UndecidableInstances" ),
+ deprecatedForExtension "UndecidableInstances" ),
( "allow-incoherent-instances", Opt_IncoherentInstances,
- deprecatedForLanguage "IncoherentInstances" )
+ deprecatedForExtension "IncoherentInstances" )
]
supportedLanguages :: [String]
-supportedLanguages = [ name' | (name, _, _) <- xFlags, name' <- [name, "No" ++ name] ]
+supportedLanguages = [ name | (name, _, _) <- languageFlags ]
+
+supportedExtensions :: [String]
+supportedExtensions = [ name' | (name, _, _) <- xFlags, name' <- [name, "No" ++ name] ]
--- This may contain duplicates
-languageOptions :: [LanguageFlag]
-languageOptions = [ langFlag | (_, langFlag, _) <- xFlags ]
+supportedLanguagesAndExtensions :: [String]
+supportedLanguagesAndExtensions = supportedLanguages ++ supportedExtensions
+
+-- | These -X<blah> flags cannot be reversed with -XNo<blah>
+languageFlags :: [FlagSpec Language]
+languageFlags = [
+ ( "Haskell98", Haskell98, nop ),
+ ( "Haskell2010", Haskell2010, nop )
+ ]
-- | These -X<blah> flags can all be reversed with -XNo<blah>
-xFlags :: [(String, LanguageFlag, Bool -> Deprecated)]
+xFlags :: [FlagSpec ExtensionFlag]
xFlags = [
- ( "CPP", Opt_Cpp, const Supported ),
- ( "PostfixOperators", Opt_PostfixOperators, const Supported ),
- ( "TupleSections", Opt_TupleSections, const Supported ),
- ( "PatternGuards", Opt_PatternGuards, const Supported ),
- ( "UnicodeSyntax", Opt_UnicodeSyntax, const Supported ),
- ( "MagicHash", Opt_MagicHash, const Supported ),
- ( "PolymorphicComponents", Opt_PolymorphicComponents, const Supported ),
- ( "ExistentialQuantification", Opt_ExistentialQuantification, const Supported ),
- ( "KindSignatures", Opt_KindSignatures, const Supported ),
- ( "EmptyDataDecls", Opt_EmptyDataDecls, const Supported ),
- ( "ParallelListComp", Opt_ParallelListComp, const Supported ),
- ( "TransformListComp", Opt_TransformListComp, const Supported ),
- ( "ForeignFunctionInterface", Opt_ForeignFunctionInterface, const Supported ),
- ( "UnliftedFFITypes", Opt_UnliftedFFITypes, const Supported ),
- ( "GHCForeignImportPrim", Opt_GHCForeignImportPrim, const Supported ),
- ( "LiberalTypeSynonyms", Opt_LiberalTypeSynonyms, const Supported ),
- ( "Rank2Types", Opt_Rank2Types, const Supported ),
- ( "RankNTypes", Opt_RankNTypes, const Supported ),
- ( "ImpredicativeTypes", Opt_ImpredicativeTypes,
- const $ Deprecated "impredicative polymorphism will be simplified or removed in GHC 6.14" ),
- ( "TypeOperators", Opt_TypeOperators, const Supported ),
+ ( "CPP", Opt_Cpp, nop ),
+ ( "PostfixOperators", Opt_PostfixOperators, nop ),
+ ( "TupleSections", Opt_TupleSections, nop ),
+ ( "PatternGuards", Opt_PatternGuards, nop ),
+ ( "UnicodeSyntax", Opt_UnicodeSyntax, nop ),
+ ( "MagicHash", Opt_MagicHash, nop ),
+ ( "PolymorphicComponents", Opt_PolymorphicComponents, nop ),
+ ( "ExistentialQuantification", Opt_ExistentialQuantification, nop ),
+ ( "KindSignatures", Opt_KindSignatures, nop ),
+ ( "EmptyDataDecls", Opt_EmptyDataDecls, nop ),
+ ( "ParallelListComp", Opt_ParallelListComp, nop ),
+ ( "TransformListComp", Opt_TransformListComp, nop ),
+ ( "ForeignFunctionInterface", Opt_ForeignFunctionInterface, nop ),
+ ( "UnliftedFFITypes", Opt_UnliftedFFITypes, nop ),
+ ( "GHCForeignImportPrim", Opt_GHCForeignImportPrim, nop ),
+ ( "LiberalTypeSynonyms", Opt_LiberalTypeSynonyms, nop ),
+ ( "Rank2Types", Opt_Rank2Types, nop ),
+ ( "RankNTypes", Opt_RankNTypes, nop ),
+ ( "ImpredicativeTypes", Opt_ImpredicativeTypes, nop),
+ ( "TypeOperators", Opt_TypeOperators, nop ),
( "RecursiveDo", Opt_RecursiveDo,
- deprecatedForLanguage "DoRec"),
- ( "DoRec", Opt_DoRec, const Supported ),
- ( "Arrows", Opt_Arrows, const Supported ),
- ( "PArr", Opt_PArr, const Supported ),
- ( "TemplateHaskell", Opt_TemplateHaskell, const Supported ),
- ( "QuasiQuotes", Opt_QuasiQuotes, const Supported ),
- ( "Generics", Opt_Generics, const Supported ),
- -- On by default:
- ( "ImplicitPrelude", Opt_ImplicitPrelude, const Supported ),
- ( "RecordWildCards", Opt_RecordWildCards, const Supported ),
- ( "NamedFieldPuns", Opt_RecordPuns, const Supported ),
+ deprecatedForExtension "DoRec"),
+ ( "DoRec", Opt_DoRec, nop ),
+ ( "Arrows", Opt_Arrows, nop ),
+ ( "ModalTypes", Opt_ModalTypes, nop ),
+ ( "ParallelArrays", Opt_ParallelArrays, nop ),
+ ( "TemplateHaskell", Opt_TemplateHaskell, checkTemplateHaskellOk ),
+ ( "QuasiQuotes", Opt_QuasiQuotes, nop ),
+ ( "Generics", Opt_Generics, nop ),
+ ( "ImplicitPrelude", Opt_ImplicitPrelude, nop ),
+ ( "RecordWildCards", Opt_RecordWildCards, nop ),
+ ( "NamedFieldPuns", Opt_RecordPuns, nop ),
( "RecordPuns", Opt_RecordPuns,
- deprecatedForLanguage "NamedFieldPuns" ),
- ( "DisambiguateRecordFields", Opt_DisambiguateRecordFields, const Supported ),
- ( "OverloadedStrings", Opt_OverloadedStrings, const Supported ),
- ( "GADTs", Opt_GADTs, const Supported ),
- ( "ViewPatterns", Opt_ViewPatterns, const Supported ),
- ( "TypeFamilies", Opt_TypeFamilies, const Supported ),
- ( "BangPatterns", Opt_BangPatterns, const Supported ),
- -- On by default:
- ( "MonomorphismRestriction", Opt_MonomorphismRestriction, const Supported ),
- -- On by default:
- ( "NPlusKPatterns", Opt_NPlusKPatterns, const Supported ),
- -- On by default (which is not strictly H98):
- ( "MonoPatBinds", Opt_MonoPatBinds, const Supported ),
- ( "ExplicitForAll", Opt_ExplicitForAll, const Supported ),
- ( "AlternativeLayoutRule", Opt_AlternativeLayoutRule, const Supported ),
- ( "AlternativeLayoutRuleTransitional",Opt_AlternativeLayoutRuleTransitional, const Supported ),
- -- On by default:
- ( "DatatypeContexts", Opt_DatatypeContexts, const Supported ),
- ( "MonoLocalBinds", Opt_MonoLocalBinds, const Supported ),
- ( "RelaxedPolyRec", Opt_RelaxedPolyRec, const Supported ),
- ( "ExtendedDefaultRules", Opt_ExtendedDefaultRules, const Supported ),
- ( "ImplicitParams", Opt_ImplicitParams, const Supported ),
- ( "ScopedTypeVariables", Opt_ScopedTypeVariables, const Supported ),
+ deprecatedForExtension "NamedFieldPuns" ),
+ ( "DisambiguateRecordFields", Opt_DisambiguateRecordFields, nop ),
+ ( "OverloadedStrings", Opt_OverloadedStrings, nop ),
+ ( "GADTs", Opt_GADTs, nop ),
+ ( "GADTSyntax", Opt_GADTSyntax, nop ),
+ ( "ViewPatterns", Opt_ViewPatterns, nop ),
+ ( "TypeFamilies", Opt_TypeFamilies, nop ),
+ ( "BangPatterns", Opt_BangPatterns, nop ),
+ ( "MonomorphismRestriction", Opt_MonomorphismRestriction, nop ),
+ ( "NPlusKPatterns", Opt_NPlusKPatterns, nop ),
+ ( "DoAndIfThenElse", Opt_DoAndIfThenElse, nop ),
+ ( "RebindableSyntax", Opt_RebindableSyntax, nop ),
+ ( "MonoPatBinds", Opt_MonoPatBinds, nop ),
+ ( "ExplicitForAll", Opt_ExplicitForAll, nop ),
+ ( "AlternativeLayoutRule", Opt_AlternativeLayoutRule, nop ),
+ ( "AlternativeLayoutRuleTransitional",Opt_AlternativeLayoutRuleTransitional, nop ),
+ ( "DatatypeContexts", Opt_DatatypeContexts, nop ),
+ ( "NondecreasingIndentation", Opt_NondecreasingIndentation, nop ),
+ ( "RelaxedLayout", Opt_RelaxedLayout, nop ),
+ ( "MonoLocalBinds", Opt_MonoLocalBinds, nop ),
+ ( "RelaxedPolyRec", Opt_RelaxedPolyRec,
+ \ turn_on -> if not turn_on
+ then deprecate "You can't turn off RelaxedPolyRec any more"
+ else return () ),
+ ( "ExtendedDefaultRules", Opt_ExtendedDefaultRules, nop ),
+ ( "ImplicitParams", Opt_ImplicitParams, nop ),
+ ( "ScopedTypeVariables", Opt_ScopedTypeVariables, nop ),
( "PatternSignatures", Opt_ScopedTypeVariables,
- deprecatedForLanguage "ScopedTypeVariables" ),
-
- ( "UnboxedTuples", Opt_UnboxedTuples, const Supported ),
- ( "StandaloneDeriving", Opt_StandaloneDeriving, const Supported ),
- ( "DeriveDataTypeable", Opt_DeriveDataTypeable, const Supported ),
- ( "DeriveFunctor", Opt_DeriveFunctor, const Supported ),
- ( "DeriveTraversable", Opt_DeriveTraversable, const Supported ),
- ( "DeriveFoldable", Opt_DeriveFoldable, const Supported ),
- ( "TypeSynonymInstances", Opt_TypeSynonymInstances, const Supported ),
- ( "FlexibleContexts", Opt_FlexibleContexts, const Supported ),
- ( "FlexibleInstances", Opt_FlexibleInstances, const Supported ),
- ( "ConstrainedClassMethods", Opt_ConstrainedClassMethods, const Supported ),
- ( "MultiParamTypeClasses", Opt_MultiParamTypeClasses, const Supported ),
- ( "FunctionalDependencies", Opt_FunctionalDependencies, const Supported ),
- ( "GeneralizedNewtypeDeriving", Opt_GeneralizedNewtypeDeriving, const Supported ),
- ( "OverlappingInstances", Opt_OverlappingInstances, const Supported ),
- ( "UndecidableInstances", Opt_UndecidableInstances, const Supported ),
- ( "IncoherentInstances", Opt_IncoherentInstances, const Supported ),
- ( "PackageImports", Opt_PackageImports, const Supported ),
- ( "NewQualifiedOperators", Opt_NewQualifiedOperators,
- const $ Deprecated "The new qualified operator syntax was rejected by Haskell'" )
+ deprecatedForExtension "ScopedTypeVariables" ),
+
+ ( "UnboxedTuples", Opt_UnboxedTuples, nop ),
+ ( "StandaloneDeriving", Opt_StandaloneDeriving, nop ),
+ ( "DeriveDataTypeable", Opt_DeriveDataTypeable, nop ),
+ ( "DeriveFunctor", Opt_DeriveFunctor, nop ),
+ ( "DeriveTraversable", Opt_DeriveTraversable, nop ),
+ ( "DeriveFoldable", Opt_DeriveFoldable, nop ),
+ ( "TypeSynonymInstances", Opt_TypeSynonymInstances, nop ),
+ ( "FlexibleContexts", Opt_FlexibleContexts, nop ),
+ ( "FlexibleInstances", Opt_FlexibleInstances, nop ),
+ ( "ConstrainedClassMethods", Opt_ConstrainedClassMethods, nop ),
+ ( "MultiParamTypeClasses", Opt_MultiParamTypeClasses, nop ),
+ ( "FunctionalDependencies", Opt_FunctionalDependencies, nop ),
+ ( "GeneralizedNewtypeDeriving", Opt_GeneralizedNewtypeDeriving, nop ),
+ ( "OverlappingInstances", Opt_OverlappingInstances, nop ),
+ ( "UndecidableInstances", Opt_UndecidableInstances, nop ),
+ ( "IncoherentInstances", Opt_IncoherentInstances, nop ),
+ ( "PackageImports", Opt_PackageImports, nop )
]
-impliedFlags :: [(LanguageFlag, LanguageFlag)]
+defaultFlags :: [DynFlag]
+defaultFlags
+ = [ Opt_AutoLinkPackages,
+ Opt_ReadUserPackageConf,
+
+ Opt_SharedImplib,
+
+#if GHC_DEFAULT_NEW_CODEGEN
+ Opt_TryNewCodeGen,
+#endif
+
+ Opt_GenManifest,
+ Opt_EmbedManifest,
+ Opt_PrintBindContents,
+ Opt_GhciSandbox,
+ Opt_HelpfulErrors
+ ]
+
+ ++ [f | (ns,f) <- optLevelFlags, 0 `elem` ns]
+ -- The default -O0 options
+
+ ++ standardWarnings
+
+impliedFlags :: [(ExtensionFlag, TurnOnFlag, ExtensionFlag)]
impliedFlags
- = [ (Opt_RankNTypes, Opt_ExplicitForAll)
- , (Opt_Rank2Types, Opt_ExplicitForAll)
- , (Opt_ScopedTypeVariables, Opt_ExplicitForAll)
- , (Opt_LiberalTypeSynonyms, Opt_ExplicitForAll)
- , (Opt_ExistentialQuantification, Opt_ExplicitForAll)
- , (Opt_PolymorphicComponents, Opt_ExplicitForAll)
-
- , (Opt_GADTs, Opt_RelaxedPolyRec) -- We want type-sig variables to
- -- be completely rigid for GADTs
-
- , (Opt_TypeFamilies, Opt_RelaxedPolyRec) -- Trac #2944 gives a nice example
- , (Opt_TypeFamilies, Opt_KindSignatures) -- Type families use kind signatures
+ = [ (Opt_RankNTypes, turnOn, Opt_ExplicitForAll)
+ , (Opt_Rank2Types, turnOn, Opt_ExplicitForAll)
+ , (Opt_ScopedTypeVariables, turnOn, Opt_ExplicitForAll)
+ , (Opt_LiberalTypeSynonyms, turnOn, Opt_ExplicitForAll)
+ , (Opt_ExistentialQuantification, turnOn, Opt_ExplicitForAll)
+ , (Opt_PolymorphicComponents, turnOn, Opt_ExplicitForAll)
+ , (Opt_FlexibleInstances, turnOn, Opt_TypeSynonymInstances)
+ , (Opt_FunctionalDependencies, turnOn, Opt_MultiParamTypeClasses)
+
+ , (Opt_ModalTypes, turnOn, Opt_RankNTypes)
+ , (Opt_ModalTypes, turnOn, Opt_ExplicitForAll)
+ --, (Opt_ModalTypes, turnOn, Opt_RebindableSyntax)
+ , (Opt_ModalTypes, turnOff, Opt_MonomorphismRestriction)
+
+ , (Opt_RebindableSyntax, turnOff, Opt_ImplicitPrelude) -- NB: turn off!
+
+ , (Opt_GADTs, turnOn, Opt_GADTSyntax)
+ , (Opt_GADTs, turnOn, Opt_MonoLocalBinds)
+ , (Opt_TypeFamilies, turnOn, Opt_MonoLocalBinds)
+
+ , (Opt_TypeFamilies, turnOn, Opt_KindSignatures) -- Type families use kind signatures
-- all over the place
- , (Opt_ScopedTypeVariables, Opt_RelaxedPolyRec) -- Ditto for scoped type variables; see
- -- Note [Scoped tyvars] in TcBinds
- , (Opt_ImpredicativeTypes, Opt_RankNTypes)
+ , (Opt_ImpredicativeTypes, turnOn, Opt_RankNTypes)
-- Record wild-cards implies field disambiguation
-- Otherwise if you write (C {..}) you may well get
-- stuff like " 'a' not in scope ", which is a bit silly
-- if the compiler has just filled in field 'a' of constructor 'C'
- , (Opt_RecordWildCards, Opt_DisambiguateRecordFields)
+ , (Opt_RecordWildCards, turnOn, Opt_DisambiguateRecordFields)
+
+ , (Opt_ParallelArrays, turnOn, Opt_ParallelListComp)
]
+optLevelFlags :: [([Int], DynFlag)]
+optLevelFlags
+ = [ ([0], Opt_IgnoreInterfacePragmas)
+ , ([0], Opt_OmitInterfacePragmas)
+
+ , ([1,2], Opt_IgnoreAsserts)
+ , ([1,2], Opt_EnableRewriteRules) -- Off for -O0; see Note [Scoping for Builtin rules]
+ -- in PrelRules
+ , ([1,2], Opt_DoEtaReduction)
+ , ([1,2], Opt_CaseMerge)
+ , ([1,2], Opt_Strictness)
+ , ([1,2], Opt_CSE)
+ , ([1,2], Opt_FullLaziness)
+ , ([1,2], Opt_Specialise)
+ , ([1,2], Opt_FloatIn)
+
+ , ([2], Opt_LiberateCase)
+ , ([2], Opt_SpecConstr)
+ , ([2], Opt_RegsGraph)
+
+-- , ([2], Opt_StaticArgumentTransformation)
+-- Max writes: I think it's probably best not to enable SAT with -O2 for the
+-- 6.10 release. The version of SAT in HEAD at the moment doesn't incorporate
+-- several improvements to the heuristics, and I'm concerned that without
+-- those changes SAT will interfere with some attempts to write "high
+-- performance Haskell", as we saw in some posts on Haskell-Cafe earlier
+-- this year. In particular, the version in HEAD lacks the tail call
+-- criterion, so many things that look like reasonable loops will be
+-- turned into functions with extra (unneccesary) thunk creation.
+
+ , ([0,1,2], Opt_DoLambdaEtaExpansion)
+ -- This one is important for a tiresome reason:
+ -- we want to make sure that the bindings for data
+ -- constructors are eta-expanded. This is probably
+ -- a good thing anyway, but it seems fragile.
+ ]
+
+-- -----------------------------------------------------------------------------
+-- Standard sets of warning options
+
+standardWarnings :: [DynFlag]
+standardWarnings
+ = [ Opt_WarnWarningsDeprecations,
+ Opt_WarnDeprecatedFlags,
+ Opt_WarnUnrecognisedPragmas,
+ Opt_WarnOverlappingPatterns,
+ Opt_WarnMissingFields,
+ Opt_WarnMissingMethods,
+ Opt_WarnDuplicateExports,
+ Opt_WarnLazyUnliftedBindings,
+ Opt_WarnDodgyForeignImports,
+ Opt_WarnWrongDoBind,
+ Opt_WarnAlternativeLayoutRuleTransitional
+ ]
+
+minusWOpts :: [DynFlag]
+-- Things you get with -W
+minusWOpts
+ = standardWarnings ++
+ [ Opt_WarnUnusedBinds,
+ Opt_WarnUnusedMatches,
+ Opt_WarnUnusedImports,
+ Opt_WarnIncompletePatterns,
+ Opt_WarnDodgyExports,
+ Opt_WarnDodgyImports
+ ]
+
+minusWallOpts :: [DynFlag]
+-- Things you get with -Wall
+minusWallOpts
+ = minusWOpts ++
+ [ Opt_WarnTypeDefaults,
+ Opt_WarnNameShadowing,
+ Opt_WarnMissingSigs,
+ Opt_WarnHiShadows,
+ Opt_WarnOrphans,
+ Opt_WarnUnusedDoBind
+ ]
+
+minuswRemovesOpts :: [DynFlag]
+-- minuswRemovesOpts should be every warning option
+minuswRemovesOpts
+ = minusWallOpts ++
+ [Opt_WarnTabs,
+ Opt_WarnIncompletePatternsRecUpd,
+ Opt_WarnIncompleteUniPatterns,
+ Opt_WarnMonomorphism,
+ Opt_WarnUnrecognisedPragmas,
+ Opt_WarnAutoOrphans,
+ Opt_WarnImplicitPrelude
+ ]
+
enableGlasgowExts :: DynP ()
enableGlasgowExts = do setDynFlag Opt_PrintExplicitForalls
- mapM_ setLanguageFlag glasgowExtsFlags
+ mapM_ setExtensionFlag glasgowExtsFlags
disableGlasgowExts :: DynP ()
disableGlasgowExts = do unSetDynFlag Opt_PrintExplicitForalls
- mapM_ unSetLanguageFlag glasgowExtsFlags
+ mapM_ unSetExtensionFlag glasgowExtsFlags
-glasgowExtsFlags :: [LanguageFlag]
+glasgowExtsFlags :: [ExtensionFlag]
glasgowExtsFlags = [
Opt_ForeignFunctionInterface
, Opt_UnliftedFFITypes
- , Opt_GADTs
, Opt_ImplicitParams
, Opt_ScopedTypeVariables
, Opt_UnboxedTuples
, Opt_ParallelListComp
, Opt_EmptyDataDecls
, Opt_KindSignatures
- , Opt_GeneralizedNewtypeDeriving
- , Opt_TypeFamilies ]
+ , Opt_GeneralizedNewtypeDeriving ]
--- -----------------------------------------------------------------------------
--- Parsing the dynamic flags.
+#ifdef GHCI
+-- Consult the RTS to find whether GHC itself has been built profiled
+-- If so, you can't use Template Haskell
+foreign import ccall unsafe "rts_isProfiled" rtsIsProfiledIO :: IO CInt
--- | Parse dynamic flags from a list of command line arguments. Returns the
--- the parsed 'DynFlags', the left-over arguments, and a list of warnings.
--- Throws a 'UsageError' if errors occurred during parsing (such as unknown
--- flags or missing arguments).
-parseDynamicFlags :: Monad m =>
- DynFlags -> [Located String]
- -> m (DynFlags, [Located String], [Located String])
- -- ^ Updated 'DynFlags', left-over arguments, and
- -- list of warnings.
-parseDynamicFlags dflags args = parseDynamicFlags_ dflags args True
+rtsIsProfiled :: Bool
+rtsIsProfiled = unsafePerformIO rtsIsProfiledIO /= 0
+#endif
--- | Like 'parseDynamicFlags' but does not allow the package flags (-package,
--- -hide-package, -ignore-package, -hide-all-packages, -package-conf).
-parseDynamicNoPackageFlags :: Monad m =>
- DynFlags -> [Located String]
- -> m (DynFlags, [Located String], [Located String])
- -- ^ Updated 'DynFlags', left-over arguments, and
- -- list of warnings.
-parseDynamicNoPackageFlags dflags args = parseDynamicFlags_ dflags args False
+checkTemplateHaskellOk :: Bool -> DynP ()
+#ifdef GHCI
+checkTemplateHaskellOk turn_on
+ | turn_on && rtsIsProfiled
+ = addErr "You can't use Template Haskell with a profiled compiler"
+ | otherwise
+ = return ()
+#else
+-- In stage 1 we don't know that the RTS has rts_isProfiled,
+-- so we simply say "ok". It doesn't matter because TH isn't
+-- available in stage 1 anyway.
+checkTemplateHaskellOk _ = return ()
+#endif
-parseDynamicFlags_ :: Monad m =>
- DynFlags -> [Located String] -> Bool
- -> m (DynFlags, [Located String], [Located String])
-parseDynamicFlags_ dflags0 args pkg_flags = do
- -- XXX Legacy support code
- -- We used to accept things like
- -- optdep-f -optdepdepend
- -- optdep-f -optdep depend
- -- optdep -f -optdepdepend
- -- optdep -f -optdep depend
- -- but the spaces trip up proper argument handling. So get rid of them.
- let f (L p "-optdep" : L _ x : xs) = (L p ("-optdep" ++ x)) : f xs
- f (x : xs) = x : f xs
- f xs = xs
- args' = f args
+{- **********************************************************************
+%* *
+ DynFlags constructors
+%* *
+%********************************************************************* -}
- -- Note: -ignore-package (package_flags) must precede -i* (dynamic_flags)
- flag_spec | pkg_flags = package_flags ++ dynamic_flags
- | otherwise = dynamic_flags
+type DynP = EwM (CmdLineP DynFlags)
- let ((leftover, errs, warns), dflags1)
- = runCmdLine (processArgs flag_spec args') dflags0
- when (not (null errs)) $ ghcError $ errorsToGhcException errs
+upd :: (DynFlags -> DynFlags) -> DynP ()
+upd f = liftEwM (do { dfs <- getCmdLineState
+ ; putCmdLineState $! (f dfs) })
- -- 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) =
- if opt_PIC && hscTarget dflags1 == HscC && cGhcUnregisterised == "NO"
- then ([L noSrcSpan $ "Warning: -fvia-C is incompatible with -fPIC; ignoring -fvia-C"],
- dflags1{ hscTarget = HscAsm })
- else ([], dflags1)
+--------------- Constructor functions for OptKind -----------------
+noArg :: (DynFlags -> DynFlags) -> OptKind (CmdLineP DynFlags)
+noArg fn = NoArg (upd fn)
- return (dflags2, leftover, pic_warns ++ warns)
+noArgDF :: (DynFlags -> DynFlags) -> String -> OptKind (CmdLineP DynFlags)
+noArgDF fn deprec = NoArg (upd fn >> deprecate deprec)
-type DynP = CmdLineP DynFlags
+hasArg :: (String -> DynFlags -> DynFlags) -> OptKind (CmdLineP DynFlags)
+hasArg fn = HasArg (upd . fn)
-upd :: (DynFlags -> DynFlags) -> DynP ()
-upd f = do
- dfs <- getCmdLineState
- putCmdLineState $! (f dfs)
+hasArgDF :: (String -> DynFlags -> DynFlags) -> String -> OptKind (CmdLineP DynFlags)
+hasArgDF fn deprec = HasArg (\s -> do { upd (fn s)
+ ; deprecate deprec })
+
+intSuffix :: (Int -> DynFlags -> DynFlags) -> OptKind (CmdLineP DynFlags)
+intSuffix fn = IntSuffix (\n -> upd (fn n))
+
+setDumpFlag :: DynFlag -> OptKind (CmdLineP DynFlags)
+setDumpFlag dump_flag = NoArg (setDumpFlag' dump_flag)
--------------------------
setDynFlag, unSetDynFlag :: DynFlag -> DynP ()
-setDynFlag f = upd (\dfs -> dopt_set dfs f)
+setDynFlag f = upd (\dfs -> dopt_set dfs f)
unSetDynFlag f = upd (\dfs -> dopt_unset dfs f)
--------------------------
-setLanguageFlag, unSetLanguageFlag :: LanguageFlag -> DynP ()
-setLanguageFlag f = do { upd (\dfs -> lopt_set dfs f)
- ; mapM_ setLanguageFlag deps }
+setExtensionFlag, unSetExtensionFlag :: ExtensionFlag -> DynP ()
+setExtensionFlag f = do { upd (\dfs -> xopt_set dfs f)
+ ; sequence_ deps }
where
- deps = [ d | (f', d) <- impliedFlags, f' == f ]
+ deps = [ if turn_on then setExtensionFlag d
+ else unSetExtensionFlag d
+ | (f', turn_on, d) <- impliedFlags, f' == f ]
-- When you set f, set the ones it implies
- -- NB: use setLanguageFlag recursively, in case the implied flags
+ -- NB: use setExtensionFlag recursively, in case the implied flags
-- implies further flags
- -- When you un-set f, however, we don't un-set the things it implies
- -- (except for -fno-glasgow-exts, which is treated specially)
-unSetLanguageFlag f = upd (\dfs -> lopt_unset dfs f)
+unSetExtensionFlag f = upd (\dfs -> xopt_unset dfs f)
+ -- When you un-set f, however, we don't un-set the things it implies
+ -- (except for -fno-glasgow-exts, which is treated specially)
--------------------------
-setDumpFlag :: DynFlag -> OptKind DynP
-setDumpFlag dump_flag = NoArg (setDumpFlag' dump_flag)
+alterSettings :: (Settings -> Settings) -> DynFlags -> DynFlags
+alterSettings f dflags = dflags { settings = f (settings dflags) }
+--------------------------
setDumpFlag' :: DynFlag -> DynP ()
setDumpFlag' dump_flag
= do { setDynFlag dump_flag
- ; when want_recomp forceRecompile }
+ ; when want_recomp forceRecompile }
where
-- Certain dumpy-things are really interested in what's going
-- on during recompilation checking, so in those cases we
-- recompilation checker), else you don't see the dump! However,
-- don't switch it off in --make mode, else *everything* gets
-- recompiled which probably isn't what you want
-forceRecompile = do { dfs <- getCmdLineState
+forceRecompile = do { dfs <- liftEwM getCmdLineState
; when (force_recomp dfs) (setDynFlag Opt_ForceRecomp) }
where
force_recomp dfs = isOneShot (ghcMode dfs)
| 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
-- -Odph is equivalent to
--
-- -O2 optimise as much as possible
--- -fno-method-sharing sharing specialisation defeats fusion
--- sometimes
--- -fdicts-cheap always inline dictionaries
-- -fmax-simplifier-iterations20 this is necessary sometimes
--- -fsimplifier-phases=3 we use an additional simplifier phase
--- for fusion
--- -fno-spec-constr-threshold run SpecConstr even for big loops
--- -fno-spec-constr-count SpecConstr as much as possible
--- -finline-enough-args hack to prevent excessive inlining
+-- -fsimplifier-phases=3 we use an additional simplifier phase for fusion
--
setDPHOpt :: DynFlags -> DynFlags
setDPHOpt dflags = setOptLevel 2 (dflags { maxSimplIterations = 20
, simplPhases = 3
- , specConstrThreshold = Nothing
- , specConstrCount = Nothing
})
- `dopt_set` Opt_DictsCheap
- `dopt_unset` Opt_MethodSharing
-data DPHBackend = DPHPar
- | DPHSeq
- | DPHThis
+-- Determines the package used by the vectoriser for the symbols of the vectorised code.
+-- 'DPHNone' indicates that no data-parallel backend library is available; hence, the
+-- vectoriser cannot be used.
+--
+data DPHBackend = DPHPar -- "dph-par"
+ | DPHSeq -- "dph-seq"
+ | DPHThis -- the currently compiled package
+ | DPHNone -- no DPH library available
deriving(Eq, Ord, Enum, Show)
setDPHBackend :: DPHBackend -> DynP ()
-setDPHBackend backend
- = do
- upd $ \dflags -> dflags { dphBackend = backend }
- mapM_ exposePackage (dph_packages backend)
- where
- dph_packages DPHThis = []
- dph_packages DPHPar = ["dph-prim-par", "dph-par"]
- dph_packages DPHSeq = ["dph-prim-seq", "dph-seq"]
+setDPHBackend backend = upd $ \dflags -> dflags { dphBackend = backend }
-dphPackage :: DynFlags -> PackageId
-dphPackage dflags = case dphBackend dflags of
- DPHPar -> dphParPackageId
- DPHSeq -> dphSeqPackageId
- DPHThis -> thisPackage dflags
+-- Query the DPH backend package to be used by the vectoriser and desugaring of DPH syntax.
+--
+dphPackageMaybe :: DynFlags -> Maybe PackageId
+dphPackageMaybe dflags
+ = case dphBackend dflags of
+ DPHPar -> Just dphParPackageId
+ DPHSeq -> Just dphSeqPackageId
+ DPHThis -> Just (thisPackage dflags)
+ DPHNone -> Nothing
setMainIs :: String -> DynP ()
setMainIs arg
-- tmpDir, where we store temporary files.
setTmpDir :: FilePath -> DynFlags -> DynFlags
-setTmpDir dir dflags = dflags{ tmpDir = normalise dir }
+setTmpDir dir = alterSettings (\s -> s { sTmpDir = normalise dir })
-- we used to fix /cygdrive/c/.. on Windows, but this doesn't
-- seem necessary now --SDM 7/2/2008
setRtsOpts :: String -> DynP ()
setRtsOpts arg = upd $ \ d -> d {rtsOpts = Just arg}
+setRtsOptsEnabled :: RtsOptsEnabled -> DynP ()
+setRtsOptsEnabled arg = upd $ \ d -> d {rtsOptsEnabled = arg}
+
-----------------------------------------------------------------------------
-- Hpc stuff
-- There are some options that we need to pass to gcc when compiling
-- Haskell code via C, but are only supported by recent versions of
-- gcc. The configure script decides which of these options we need,
--- and puts them in the file "extra-gcc-opts" in $topdir, which is
--- read before each via-C compilation. The advantage of having these
--- in a separate file is that the file can be created at install-time
--- depending on the available gcc version, and even re-generated later
--- if gcc is upgraded.
+-- and puts them in the "settings" file in $topdir. The advantage of
+-- having these in a separate file is that the file can be created at
+-- install-time depending on the available gcc version, and even
+-- re-generated later if gcc is upgraded.
--
-- The options below are not dependent on the version of gcc, only the
-- platform.
-machdepCCOpts :: DynFlags -> ([String], -- flags for all C compilations
- [String]) -- for registerised HC compilations
-machdepCCOpts _dflags
+machdepCCOpts :: DynFlags -> [String] -- flags for all C compilations
+machdepCCOpts _ = cCcOpts ++ machdepCCOpts'
+
+machdepCCOpts' :: [String] -- flags for all C compilations
+machdepCCOpts'
#if alpha_TARGET_ARCH
- = ( ["-w", "-mieee"
+ = ["-w", "-mieee"
#ifdef HAVE_THREADED_RTS_SUPPORT
, "-D_REENTRANT"
#endif
- ], [] )
+ ]
-- For now, to suppress the gcc warning "call-clobbered
-- register used for global register variable", we simply
-- disable all warnings altogether using the -w flag. Oh well.
#elif hppa_TARGET_ARCH
-- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
-- (very nice, but too bad the HP /usr/include files don't agree.)
- = ( ["-D_HPUX_SOURCE"], [] )
-
-#elif m68k_TARGET_ARCH
- -- -fno-defer-pop : for the .hc files, we want all the pushing/
- -- popping of args to routines to be explicit; if we let things
- -- be deferred 'til after an STGJUMP, imminent death is certain!
- --
- -- -fomit-frame-pointer : *don't*
- -- It's better to have a6 completely tied up being a frame pointer
- -- rather than let GCC pick random things to do with it.
- -- (If we want to steal a6, then we would try to do things
- -- as on iX86, where we *do* steal the frame pointer [%ebp].)
- = ( [], ["-fno-defer-pop", "-fno-omit-frame-pointer"] )
+ = ["-D_HPUX_SOURCE"]
#elif i386_TARGET_ARCH
-- -fno-defer-pop : basically the same game as for m68k
--
-- -fomit-frame-pointer : *must* in .hc files; because we're stealing
-- the fp (%ebp) for our register maps.
- = let n_regs = stolen_x86_regs _dflags
- in
- (
-#if darwin_TARGET_OS
- -- By default, gcc on OS X will generate SSE
- -- instructions, which need things 16-byte aligned,
- -- but we don't 16-byte align things. Thus drop
- -- back to generic i686 compatibility. Trac #2983.
- --
- -- Since Snow Leopard (10.6), gcc defaults to x86_64.
- ["-march=i686", "-m32"],
-#else
- [ if opt_Static then "-DDONT_WANT_WIN32_DLL_SUPPORT" else ""
- ],
-#endif
- [ "-fno-defer-pop",
- "-fomit-frame-pointer",
- -- we want -fno-builtin, because when gcc inlines
- -- built-in functions like memcpy() it tends to
- -- run out of registers, requiring -monly-n-regs
- "-fno-builtin",
- "-DSTOLEN_X86_REGS="++show n_regs ]
- )
-
-#elif ia64_TARGET_ARCH
- = ( [], ["-fomit-frame-pointer", "-G0"] )
-
-#elif x86_64_TARGET_ARCH
- = (
-#if darwin_TARGET_OS
- ["-m64"],
-#else
- [],
-#endif
- ["-fomit-frame-pointer",
- "-fno-asynchronous-unwind-tables",
- -- the unwind tables are unnecessary for HC code,
- -- and get in the way of -split-objs. Another option
- -- would be to throw them away in the mangler, but this
- -- is easier.
- "-fno-builtin"
- -- calling builtins like strlen() using the FFI can
- -- cause gcc to run out of regs, so use the external
- -- version.
- ] )
-
-#elif sparc_TARGET_ARCH
- = ( [], ["-w"] )
- -- For now, to suppress the gcc warning "call-clobbered
- -- register used for global register variable", we simply
- -- disable all warnings altogether using the -w flag. Oh well.
+ = if opt_Static then ["-DDONT_WANT_WIN32_DLL_SUPPORT"] else []
-#elif powerpc_apple_darwin_TARGET
- -- -no-cpp-precomp:
- -- Disable Apple's precompiling preprocessor. It's a great thing
- -- for "normal" programs, but it doesn't support register variable
- -- declarations.
- = ( [], ["-no-cpp-precomp"] )
#else
- = ( [], [] )
+ = []
#endif
picCCOpts :: DynFlags -> [String]
-- Splitting
can_split :: Bool
-can_split = cSplitObjs == "YES"
+can_split = cSupportsSplitObjs == "YES"
-- -----------------------------------------------------------------------------
-- Compiler Info
-data Printable = String String
- | FromDynFlags (DynFlags -> String)
-
-compilerInfo :: [(String, Printable)]
-compilerInfo = [("Project name", String cProjectName),
- ("Project version", String cProjectVersion),
- ("Booter version", String cBooterVersion),
- ("Stage", String cStage),
- ("Build platform", String cBuildPlatform),
- ("Host platform", String cHostPlatform),
- ("Target platform", String cTargetPlatform),
- ("Have interpreter", String cGhcWithInterpreter),
- ("Object splitting", String cSplitObjs),
- ("Have native code generator", String cGhcWithNativeCodeGen),
- ("Have llvm code generator", String cGhcWithLlvmCodeGen),
- ("Support SMP", String cGhcWithSMP),
- ("Unregisterised", String cGhcUnregisterised),
- ("Tables next to code", String cGhcEnableTablesNextToCode),
- ("RTS ways", String cGhcRTSWays),
- ("Leading underscore", String cLeadingUnderscore),
- ("Debug on", String (show debugIsOn)),
- ("LibDir", FromDynFlags topDir),
- ("Global Package DB", FromDynFlags systemPackageConfig)
- ]
+compilerInfo :: DynFlags -> [(String, String)]
+compilerInfo dflags
+ = -- We always make "Project name" be first to keep parsing in
+ -- other languages simple, i.e. when looking for other fields,
+ -- you don't have to worry whether there is a leading '[' or not
+ ("Project name", cProjectName)
+ -- Next come the settings, so anything else can be overridden
+ -- in the settings file (as "lookup" uses the first match for the
+ -- key)
+ : rawSettings dflags
+ ++ [("Project version", cProjectVersion),
+ ("Booter version", cBooterVersion),
+ ("Stage", cStage),
+ ("Build platform", cBuildPlatformString),
+ ("Host platform", cHostPlatformString),
+ ("Target platform", cTargetPlatformString),
+ ("Have interpreter", cGhcWithInterpreter),
+ ("Object splitting supported", cSupportsSplitObjs),
+ ("Have native code generator", cGhcWithNativeCodeGen),
+ ("Support SMP", cGhcWithSMP),
+ ("Unregisterised", cGhcUnregisterised),
+ ("Tables next to code", cGhcEnableTablesNextToCode),
+ ("RTS ways", cGhcRTSWays),
+ ("Leading underscore", cLeadingUnderscore),
+ ("Debug on", show debugIsOn),
+ ("LibDir", topDir dflags),
+ ("Global Package DB", systemPackageConfig dflags),
+ ("C compiler flags", show cCcOpts),
+ ("Gcc Linker flags", show cGccLinkerOpts),
+ ("Ld Linker flags", show cLdLinkerOpts)
+ ]
projects / ghc-hetmet.git / blobdiff