Option(..), showOpt,
DynLibLoader(..),
fFlags, fLangFlags, xFlags,
- dphPackage,
+ DPHBackend(..), dphPackage,
wayNames,
-- ** Manipulating DynFlags
| Opt_WarnHiShadows
| Opt_WarnImplicitPrelude
| Opt_WarnIncompletePatterns
+ | Opt_WarnIncompleteUniPatterns
| Opt_WarnIncompletePatternsRecUpd
| Opt_WarnMissingFields
| Opt_WarnMissingImportList
| Opt_BuildingCabalPackage
| Opt_SSE2
| Opt_GhciSandbox
+ | Opt_HelpfulErrors
-- temporary flags
| Opt_RunCPS
| 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_GADTSyntax
| Opt_NPlusKPatterns
| Opt_DoAndIfThenElse
| Opt_RebindableSyntax
mainFunIs = Nothing,
ctxtStkDepth = mAX_CONTEXT_REDUCTION_DEPTH,
- dphBackend = DPHPar,
+ dphBackend = DPHNone,
thisPackage = mainPackageId,
-- But NB it's implied by GADTs etc
-- SLPJ September 2010
: Opt_NondecreasingIndentation -- This has been on by default for some time
- : Opt_RelaxedLayout -- This has been on by default for some time
: languageExtensions (Just Haskell2010)
languageExtensions (Just Haskell98)
= [Opt_ImplicitPrelude,
Opt_MonomorphismRestriction,
Opt_NPlusKPatterns,
- Opt_DatatypeContexts]
+ Opt_DatatypeContexts,
+ Opt_NondecreasingIndentation
+ -- strictly speaking non-standard, but we always had this
+ -- on implicitly before the option was added in 7.1, and
+ -- turning it off breaks code, so we're keeping it on for
+ -- backwards compatibility. Cabal uses -XHaskell98 by
+ -- default unless you specify another language.
+ ]
languageExtensions (Just Haskell2010)
= [Opt_ImplicitPrelude,
, Flag "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 -----------------------------------------------
( "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 ),
( "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 )
]
deprecatedForExtension "ImplicitParams" ),
( "scoped-type-variables", Opt_ScopedTypeVariables,
deprecatedForExtension "ScopedTypeVariables" ),
- ( "parr", Opt_PArr,
- deprecatedForExtension "PArr" ),
+ ( "parr", Opt_ParallelArrays,
+ deprecatedForExtension "ParallelArrays" ),
+ ( "PArr", Opt_ParallelArrays,
+ deprecatedForExtension "ParallelArrays" ),
( "allow-overlapping-instances", Opt_OverlappingInstances,
deprecatedForExtension "OverlappingInstances" ),
( "allow-undecidable-instances", Opt_UndecidableInstances,
deprecatedForExtension "DoRec"),
( "DoRec", Opt_DoRec, nop ),
( "Arrows", Opt_Arrows, nop ),
- ( "PArr", Opt_PArr, nop ),
+ ( "ModalTypes", Opt_ModalTypes, nop ),
+ ( "ParallelArrays", Opt_ParallelArrays, nop ),
( "TemplateHaskell", Opt_TemplateHaskell, checkTemplateHaskellOk ),
( "QuasiQuotes", Opt_QuasiQuotes, nop ),
( "Generics", Opt_Generics, nop ),
( "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 ),
Opt_GenManifest,
Opt_EmbedManifest,
Opt_PrintBindContents,
- Opt_GhciSandbox
+ Opt_GhciSandbox,
+ Opt_HelpfulErrors
]
++ [f | (ns,f) <- optLevelFlags, 0 `elem` ns]
, (Opt_LiberalTypeSynonyms, turnOn, Opt_ExplicitForAll)
, (Opt_ExistentialQuantification, turnOn, Opt_ExplicitForAll)
, (Opt_PolymorphicComponents, turnOn, Opt_ExplicitForAll)
+ , (Opt_FlexibleInstances, turnOn, Opt_TypeSynonymInstances)
+
+ , (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)
-- 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, turnOn, Opt_DisambiguateRecordFields)
+
+ , (Opt_ParallelArrays, turnOn, Opt_ParallelListComp)
]
optLevelFlags :: [([Int], DynFlag)]
]
minusWOpts :: [DynFlag]
+-- Things you get with -W
minusWOpts
= standardWarnings ++
[ Opt_WarnUnusedBinds,
]
minusWallOpts :: [DynFlag]
+-- Things you get with -Wall
minusWallOpts
= minusWOpts ++
[ Opt_WarnTypeDefaults,
Opt_WarnMissingSigs,
Opt_WarnHiShadows,
Opt_WarnOrphans,
- Opt_WarnUnusedDoBind,
- Opt_WarnIdentities
+ Opt_WarnUnusedDoBind
]
--- minuswRemovesOpts should be every warning option
minuswRemovesOpts :: [DynFlag]
+-- minuswRemovesOpts should be every warning option
minuswRemovesOpts
= minusWallOpts ++
- [Opt_WarnImplicitPrelude,
+ [Opt_WarnTabs,
Opt_WarnIncompletePatternsRecUpd,
+ Opt_WarnIncompleteUniPatterns,
Opt_WarnMonomorphism,
Opt_WarnUnrecognisedPragmas,
Opt_WarnAutoOrphans,
- Opt_WarnTabs
- ]
+ Opt_WarnImplicitPrelude
+ ]
enableGlasgowExts :: DynP ()
enableGlasgowExts = do setDynFlag Opt_PrintExplicitForalls
-- -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
-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 }
+-- Query the DPH backend package to be used by the vectoriser.
+--
dphPackage :: DynFlags -> PackageId
-dphPackage dflags = case dphBackend dflags of
- DPHPar -> dphParPackageId
- DPHSeq -> dphSeqPackageId
- DPHThis -> thisPackage dflags
+dphPackage dflags
+ = case dphBackend dflags of
+ DPHPar -> dphParPackageId
+ DPHSeq -> dphSeqPackageId
+ DPHThis -> thisPackage dflags
+ DPHNone -> ghcError (CmdLineError dphBackendError)
+
+dphBackendError :: String
+dphBackendError = "To use -fvectorise select a DPH backend with -fdph-par or -fdph-seq"
setMainIs :: String -> DynP ()
setMainIs arg
("Project version", String cProjectVersion),
("Booter version", String cBooterVersion),
("Stage", String cStage),
- ("Build platform", String cBuildPlatform),
- ("Host platform", String cHostPlatform),
- ("Target platform", String cTargetPlatform),
+ ("Build platform", String cBuildPlatformString),
+ ("Host platform", String cHostPlatformString),
+ ("Target platform", String cTargetPlatformString),
("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),
("Leading underscore", String cLeadingUnderscore),
("Debug on", String (show debugIsOn)),
("LibDir", FromDynFlags topDir),
- ("Global Package DB", FromDynFlags systemPackageConfig)
+ ("Global Package DB", FromDynFlags systemPackageConfig),
+ ("C compiler flags", String (show cCcOpts)),
+ ("Gcc Linker flags", String (show cGccLinkerOpts)),
+ ("Ld Linker flags", String (show cLdLinkerOpts))
]
projects / ghc-hetmet.git / blobdiff