GhcMode(..), isOneShot,
GhcLink(..), isNoLink,
PackageFlag(..),
- Option(..),
+ Option(..), showOpt,
DynLibLoader(..),
fFlags, xFlags,
dphPackage,
+ wayNames,
-- ** Manipulating DynFlags
defaultDynFlags, -- DynFlags
getStgToDo,
-- * Compiler configuration suitable for display to the user
+ Printable(..),
compilerInfo
) where
import Module
import PackageConfig
import PrelNames ( mAIN )
-#if defined(i386_TARGET_ARCH) || (!defined(mingw32_TARGET_OS) && !defined(darwin_TARGET_OS))
-import StaticFlags ( opt_Static )
-#endif
-import StaticFlags ( opt_PIC, WayName(..), v_Ways, v_Build_tag,
- v_RTS_Build_tag )
+import StaticFlags
import {-# SOURCE #-} Packages (PackageState)
import DriverPhases ( Phase(..), phaseInputExt )
import Config
import CmdLineParser
import Constants ( mAX_CONTEXT_REDUCTION_DEPTH )
import Panic
-import UniqFM ( UniqFM )
import Util
import Maybes ( orElse )
import SrcLoc
import Control.Monad ( when )
import Data.Char
-import Data.List ( intersperse )
+import Data.List
import System.FilePath
import System.IO ( stderr, hPutChar )
| Opt_WarnUnusedMatches
| Opt_WarnWarningsDeprecations
| Opt_WarnDeprecatedFlags
+ | Opt_WarnDodgyExports
| Opt_WarnDodgyImports
| Opt_WarnOrphans
| Opt_WarnTabs
| Opt_ViewPatterns
| Opt_GADTs
| Opt_RelaxedPolyRec
+ | Opt_NPlusKPatterns
| Opt_StandaloneDeriving
| Opt_DeriveDataTypeable
| Opt_TransformListComp
| Opt_GeneralizedNewtypeDeriving
| Opt_RecursiveDo
+ | Opt_DoRec
| Opt_PostfixOperators
+ | Opt_TupleSections
| Opt_PatternGuards
| Opt_LiberalTypeSynonyms
| Opt_Rank2Types
| Opt_TypeOperators
| Opt_PackageImports
| Opt_NewQualifiedOperators
+ | Opt_ExplicitForAll
| Opt_PrintExplicitForalls
-- optimisation opts
| Opt_Strictness
| Opt_FullLaziness
+ | Opt_FloatIn
+ | Opt_Specialise
| Opt_StaticArgumentTransformation
| Opt_CSE
| Opt_LiberateCase
| Opt_GenManifest
| Opt_EmbedManifest
| Opt_EmitExternalCore
+ | Opt_SharedImplib
+ | Opt_BuildingCabalPackage
-- temporary flags
| Opt_RunCPS
thisPackage :: PackageId, -- ^ name of package currently being compiled
-- ways
- wayNames :: [WayName], -- ^ Way flags from the command line
+ ways :: [Way], -- ^ Way flags from the command line
buildTag :: String, -- ^ The global \"way\" (e.g. \"p\" for prof)
rtsBuildTag :: String, -- ^ The RTS \"way\"
-- Package state
-- NB. do not modify this field, it is calculated by
-- Packages.initPackages and Packages.updatePackages.
- pkgDatabase :: Maybe (UniqFM PackageConfig),
+ pkgDatabase :: Maybe [PackageConfig],
pkgState :: PackageState,
-- Temporary files
haddockOptions :: Maybe String
}
+wayNames :: DynFlags -> [WayName]
+wayNames = map wayName . ways
+
-- | The target code type of the compilation (if any).
--
-- Whenever you change the target, also make sure to set 'ghcLink' to
data PackageFlag
= ExposePackage String
+ | ExposePackageId String
| HidePackage String
| IgnorePackage String
deriving Eq
initDynFlags dflags = do
-- someday these will be dynamic flags
ways <- readIORef v_Ways
- build_tag <- readIORef v_Build_tag
- rts_build_tag <- readIORef v_RTS_Build_tag
refFilesToClean <- newIORef []
refDirsToClean <- newIORef emptyFM
return dflags{
- wayNames = ways,
- buildTag = build_tag,
- rtsBuildTag = rts_build_tag,
+ ways = ways,
+ buildTag = mkBuildTag (filter (not . wayRTSOnly) ways),
+ rtsBuildTag = mkBuildTag ways,
filesToClean = refFilesToClean,
dirsToClean = refDirsToClean
}
packageFlags = [],
pkgDatabase = Nothing,
pkgState = panic "no package state yet: call GHC.setSessionDynFlags",
- wayNames = panic "defaultDynFlags: No wayNames",
+ ways = panic "defaultDynFlags: No ways",
buildTag = panic "defaultDynFlags: No buildTag",
rtsBuildTag = panic "defaultDynFlags: No rtsBuildTag",
splitInfo = Nothing,
Opt_ImplicitPrelude,
Opt_MonomorphismRestriction,
+ Opt_NPlusKPatterns,
Opt_MethodSharing,
Opt_DoAsmMangling,
+ Opt_SharedImplib,
+
Opt_GenManifest,
Opt_EmbedManifest,
Opt_PrintBindContents
-- We used to use "-optdep-flag -optdeparg", so for legacy applications
-- we need to strip the "-optdep" off of the arg
deOptDep :: String -> String
-deOptDep x = case maybePrefixMatch "-optdep" x of
+deOptDep x = case stripPrefix "-optdep" x of
Just rest -> rest
Nothing -> x
String -- the filepath/filename portion
| Option String
+showOpt :: Option -> String
+showOpt (FileOption pre f) = pre ++ f
+showOpt (Option s) = s
+
-----------------------------------------------------------------------------
-- Setting the optimisation level
, ([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)
Opt_WarnUnusedMatches,
Opt_WarnUnusedImports,
Opt_WarnIncompletePatterns,
+ Opt_WarnDodgyExports,
Opt_WarnDodgyImports
]
max_iter = maxSimplIterations dflags
strictness = dopt Opt_Strictness dflags
full_laziness = dopt Opt_FullLaziness dflags
+ do_specialise = dopt Opt_Specialise dflags
+ do_float_in = dopt Opt_FloatIn dflags
cse = dopt Opt_CSE dflags
spec_constr = dopt Opt_SpecConstr dflags
liberate_case = dopt Opt_LiberateCase dflags
-- Specialisation is best done before full laziness
-- so that overloaded functions have all their dictionary lambdas manifest
- CoreDoSpecialising,
+ runWhen do_specialise CoreDoSpecialising,
runWhen full_laziness (CoreDoFloatOutwards constantsOnlyFloatOutSwitches),
-- Was: gentleFloatOutSwitches
-- rewrite's allocation by 19%, and made 0.0% difference
-- to any other nofib benchmark
- CoreDoFloatInwards,
+ runWhen do_float_in CoreDoFloatInwards,
simpl_phases,
-- succeed in commoning up things floated out by full laziness.
-- CSE used to rely on the no-shadowing invariant, but it doesn't any more
- CoreDoFloatInwards,
+ runWhen do_float_in CoreDoFloatInwards,
maybe_rule_check 0,
Flag "n" (NoArg (setDynFlag Opt_DryRun)) Supported
, Flag "cpp" (NoArg (setDynFlag Opt_Cpp)) Supported
, Flag "F" (NoArg (setDynFlag Opt_Pp)) Supported
- , Flag "#include" (HasArg (addCmdlineHCInclude)) Supported
+ , Flag "#include" (HasArg (addCmdlineHCInclude))
+ (Deprecated "No longer has any effect")
, Flag "v" (OptIntSuffix setVerbosity) Supported
------- Specific phases --------------------------------------------
, 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))
deprecatedForLanguage :: String -> Bool -> Deprecated
deprecatedForLanguage lang turn_on
- = Deprecated ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ "#-} instead")
+ = Deprecated ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ " #-} instead")
where
flag | turn_on = lang
| otherwise = "No"++lang
fFlags :: [(String, DynFlag, Bool -> Deprecated)]
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-wrong-do-bind", Opt_WarnWrongDoBind, 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 ),
( "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 )
]
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 ),
( "RankNTypes", Opt_RankNTypes, const Supported ),
( "ImpredicativeTypes", Opt_ImpredicativeTypes, const Supported ),
( "TypeOperators", Opt_TypeOperators, const Supported ),
- ( "RecursiveDo", Opt_RecursiveDo, const Supported ),
+ ( "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 ),
( "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 ),
( "MonoLocalBinds", Opt_MonoLocalBinds, const Supported ),
( "RelaxedPolyRec", Opt_RelaxedPolyRec, const Supported ),
( "ExtendedDefaultRules", Opt_ExtendedDefaultRules, const Supported ),
impliedFlags :: [(DynFlag, DynFlag)]
impliedFlags
- = [ (Opt_GADTs, Opt_RelaxedPolyRec) -- We want type-sig variables to
+ = [ (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_ScopedTypeVariables, Opt_RelaxedPolyRec) -- Ditto for scoped type variables; see
-- Note [Scoped tyvars] in TcBinds
, (Opt_ImpredicativeTypes, 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)
]
glasgowExtsFlags :: [DynFlag]
, Opt_LiberalTypeSynonyms
, Opt_RankNTypes
, Opt_TypeOperators
- , Opt_RecursiveDo
+ , Opt_DoRec
, Opt_ParallelListComp
, Opt_EmptyDataDecls
, Opt_KindSignatures
parseDynamicFlags_ :: Monad m =>
DynFlags -> [Located String] -> Bool
-> m (DynFlags, [Located String], [Located String])
-parseDynamicFlags_ dflags args pkg_flags = do
+parseDynamicFlags_ dflags0 args pkg_flags = do
-- XXX Legacy support code
-- We used to accept things like
-- optdep-f -optdepdepend
flag_spec | pkg_flags = package_flags ++ dynamic_flags
| otherwise = dynamic_flags
- let ((leftover, errs, warns), dflags')
- = runCmdLine (processArgs flag_spec args') dflags
+ let ((leftover, errs, warns), dflags1)
+ = runCmdLine (processArgs flag_spec args') dflags0
when (not (null errs)) $ ghcError $ errorsToGhcException errs
- return (dflags', leftover, warns)
+
+ -- 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)
+
+ return (dflags2, leftover, pic_warns ++ warns)
type DynP = CmdLineP DynFlags
extraPkgConf_ :: FilePath -> DynP ()
extraPkgConf_ p = upd (\s -> s{ extraPkgConfs = p : extraPkgConfs s })
-exposePackage, hidePackage, ignorePackage :: String -> DynP ()
+exposePackage, exposePackageId, hidePackage, ignorePackage :: String -> DynP ()
exposePackage p =
upd (\s -> s{ packageFlags = ExposePackage p : packageFlags s })
+exposePackageId p =
+ upd (\s -> s{ packageFlags = ExposePackageId p : packageFlags s })
hidePackage p =
upd (\s -> s{ packageFlags = HidePackage p : packageFlags s })
ignorePackage p =
upd (\s -> s{ packageFlags = IgnorePackage p : packageFlags s })
setPackageName :: String -> DynFlags -> DynFlags
-setPackageName p
- | Nothing <- unpackPackageId pid
- = ghcError (CmdLineError ("cannot parse \'" ++ p ++ "\' as a package identifier"))
- | otherwise
- = \s -> s{ thisPackage = pid }
- where
- pid = stringToPackageId p
+setPackageName p s = s{ thisPackage = stringToPackageId p }
-- If we're linking a binary, then only targets that produce object
-- code are allowed (requests for other target types are ignored).
-- -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
- sta = opt_Static
in
- ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else ""
+ (
+#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
-- -----------------------------------------------------------------------------
-- Compiler Info
-compilerInfo :: [(String, String)]
-compilerInfo = [("Project name", cProjectName),
- ("Project version", cProjectVersion),
- ("Booter version", cBooterVersion),
- ("Stage", cStage),
- ("Interface file version", cHscIfaceFileVersion),
- ("Have interpreter", cGhcWithInterpreter),
- ("Object splitting", cSplitObjs),
- ("Have native code generator", cGhcWithNativeCodeGen),
- ("Support SMP", cGhcWithSMP),
- ("Unregisterised", cGhcUnregisterised),
- ("Tables next to code", cGhcEnableTablesNextToCode),
- ("Win32 DLLs", cEnableWin32DLLs),
- ("RTS ways", cGhcRTSWays),
- ("Leading underscore", cLeadingUnderscore),
- ("Debug on", show debugIsOn)
+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),
+ ("Have interpreter", String cGhcWithInterpreter),
+ ("Object splitting", String cSplitObjs),
+ ("Have native code generator", String cGhcWithNativeCodeGen),
+ ("Support SMP", String cGhcWithSMP),
+ ("Unregisterised", String cGhcUnregisterised),
+ ("Tables next to code", String cGhcEnableTablesNextToCode),
+ ("Win32 DLLs", String cEnableWin32DLLs),
+ ("RTS ways", String cGhcRTSWays),
+ ("Leading underscore", String cLeadingUnderscore),
+ ("Debug on", String (show debugIsOn)),
+ ("LibDir", FromDynFlags topDir)
]
projects / ghc-hetmet.git / blobdiff