X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FDynFlags.hs;h=3bb7c1ccd0d104a48a339e024a3daa3a75391d80;hb=beea3d146a69be0986d8783c3de2864f62a88c79;hp=8264ff93443e8f843249683a565ac5d154d2223b;hpb=a7f88c2f7900257d6791286f653cf141ebcb81c4;p=ghc-hetmet.git diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs index 8264ff9..3bb7c1c 100644 --- a/compiler/main/DynFlags.hs +++ b/compiler/main/DynFlags.hs @@ -23,6 +23,7 @@ module DynFlags ( Option(..), DynLibLoader(..), fFlags, xFlags, + DPHBackend(..), -- Configuration of the core-to-core and stg-to-stg phases CoreToDo(..), @@ -49,7 +50,7 @@ module DynFlags ( -- misc stuff machdepCCOpts, picCCOpts, - supportedLanguages, + supportedLanguages, languageOptions, compilerInfo, ) where @@ -71,7 +72,7 @@ import Constants ( mAX_CONTEXT_REDUCTION_DEPTH ) import Panic ( panic, GhcException(..) ) import UniqFM ( UniqFM ) import Util -import Maybes ( orElse, fromJust ) +import Maybes ( orElse ) import SrcLoc ( SrcSpan ) import Outputable import {-# SOURCE #-} ErrUtils ( Severity(..), Message, mkLocMessage ) @@ -82,7 +83,7 @@ import Control.Monad ( when ) import Data.Char import System.FilePath -import System.IO ( hPutStrLn, stderr ) +import System.IO ( stderr, hPutChar ) -- ----------------------------------------------------------------------------- -- DynFlags @@ -168,10 +169,13 @@ data DynFlag | Opt_WarnUnusedBinds | Opt_WarnUnusedImports | Opt_WarnUnusedMatches - | Opt_WarnDeprecations + | Opt_WarnWarningsDeprecations + | Opt_WarnDeprecatedFlags | Opt_WarnDodgyImports | Opt_WarnOrphans | Opt_WarnTabs + | Opt_WarnUnrecognisedPragmas + | Opt_WarnDodgyForeignImports -- language opts | Opt_OverlappingInstances @@ -219,6 +223,7 @@ data DynFlag | Opt_TransformListComp | Opt_GeneralizedNewtypeDeriving | Opt_RecursiveDo + | Opt_PostfixOperators | Opt_PatternGuards | Opt_LiberalTypeSynonyms | Opt_Rank2Types @@ -273,6 +278,7 @@ data DynFlag | Opt_EmbedManifest | Opt_RunCPSZ | Opt_ConvertToZipCfgAndBack + | Opt_AutoLinkPackages -- keeping stuff | Opt_KeepHiDiffs @@ -309,6 +315,8 @@ data DynFlags = DynFlags { mainFunIs :: Maybe String, ctxtStkDepth :: Int, -- Typechecker context stack depth + dphBackend :: DPHBackend, + thisPackage :: PackageId, -- ways @@ -356,7 +364,6 @@ data DynFlags = DynFlags { opt_m :: [String], opt_a :: [String], opt_l :: [String], - opt_dep :: [String], opt_windres :: [String], -- commands for particular phases @@ -373,6 +380,13 @@ data DynFlags = DynFlags { pgm_sysman :: String, pgm_windres :: String, + -- For ghc -M + depMakefile :: FilePath, + depIncludePkgDeps :: Bool, + depExcludeMods :: [ModuleName], + depSuffixes :: [String], + depWarnings :: Bool, + -- Package flags extraPkgConfs :: [FilePath], topDir :: FilePath, -- filled in by SysTools @@ -500,6 +514,8 @@ defaultDynFlags = mainFunIs = Nothing, ctxtStkDepth = mAX_CONTEXT_REDUCTION_DEPTH, + dphBackend = DPHPar, + thisPackage = mainPackageId, objectDir = Nothing, @@ -532,7 +548,6 @@ defaultDynFlags = opt_a = [], opt_m = [], opt_l = [], - opt_dep = [], opt_windres = [], extraPkgConfs = [], @@ -560,8 +575,16 @@ defaultDynFlags = pgm_sysman = panic "defaultDynFlags: No pgm_sysman", pgm_windres = panic "defaultDynFlags: No pgm_windres", -- end of initSysTools values + -- ghc -M values + depMakefile = "Makefile", + depIncludePkgDeps = False, + depExcludeMods = [], + depSuffixes = [], + depWarnings = True, + -- end of ghc -M values haddockOptions = Nothing, flags = [ + Opt_AutoLinkPackages, Opt_ReadUserPackageConf, Opt_MonoPatBinds, -- Experimentally, I'm making this non-standard @@ -585,9 +608,14 @@ defaultDynFlags = log_action = \severity srcSpan style msg -> case severity of - SevInfo -> hPutStrLn stderr (show (msg style)) - SevFatal -> hPutStrLn stderr (show (msg style)) - _ -> hPutStrLn stderr ('\n':show ((mkLocMessage srcSpan 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 + -- converting to string first and using hPutStr would + -- just emit the low 8 bits of each unicode char. } {- @@ -621,7 +649,7 @@ getVerbFlag dflags setObjectDir, setHiDir, setStubDir, setObjectSuf, setHiSuf, setHcSuf, parseDynLibLoaderMode, setPgmP, setPgmL, setPgmF, setPgmc, setPgmm, setPgms, setPgma, setPgml, setPgmdll, setPgmwindres, - addOptL, addOptP, addOptF, addOptc, addOptm, addOpta, addOptl, addOptdep, addOptwindres, + addOptL, addOptP, addOptF, addOptc, addOptm, addOpta, addOptl, addOptwindres, addCmdlineFramework, addHaddockOpts :: String -> DynFlags -> DynFlags setOutputFile, setOutputHi, setDumpPrefixForce @@ -631,7 +659,7 @@ setObjectDir f d = d{ objectDir = Just f} 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 with -fvia-C. setObjectSuf f d = d{ objectSuf = f} setHiSuf f d = d{ hiSuf = f} @@ -672,9 +700,32 @@ 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} -addOptdep f d = d{ opt_dep = f : opt_dep d} addOptwindres f d = d{ opt_windres = f : opt_windres d} +setDepMakefile :: FilePath -> DynFlags -> DynFlags +setDepMakefile f d = d { depMakefile = deOptDep f } + +setDepIncludePkgDeps :: Bool -> DynFlags -> DynFlags +setDepIncludePkgDeps b d = d { depIncludePkgDeps = b } + +addDepExcludeMod :: String -> DynFlags -> DynFlags +addDepExcludeMod m d + = d { depExcludeMods = mkModuleName (deOptDep m) : depExcludeMods d } + +addDepSuffix :: FilePath -> DynFlags -> DynFlags +addDepSuffix s d = d { depSuffixes = deOptDep s : depSuffixes d } + +setDepWarnings :: Bool -> DynFlags -> DynFlags +setDepWarnings b d = d { depWarnings = b } + +-- XXX Legacy code: +-- 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 + Just rest -> rest + Nothing -> x + addCmdlineFramework f d = d{ cmdlineFrameworks = f : cmdlineFrameworks d} addHaddockOpts f d = d{ haddockOptions = Just f} @@ -741,11 +792,14 @@ optLevelFlags standardWarnings :: [DynFlag] standardWarnings - = [ Opt_WarnDeprecations, + = [ Opt_WarnWarningsDeprecations, + Opt_WarnDeprecatedFlags, + Opt_WarnUnrecognisedPragmas, Opt_WarnOverlappingPatterns, Opt_WarnMissingFields, Opt_WarnMissingMethods, - Opt_WarnDuplicateExports + Opt_WarnDuplicateExports, + Opt_WarnDodgyForeignImports ] minusWOpts :: [DynFlag] @@ -776,6 +830,7 @@ minuswRemovesOpts Opt_WarnIncompletePatternsRecUpd, Opt_WarnSimplePatterns, Opt_WarnMonomorphism, + Opt_WarnUnrecognisedPragmas, Opt_WarnTabs ] @@ -805,7 +860,7 @@ data CoreToDo -- These are diff core-to-core passes, | CoreCSE | CoreDoRuleCheck Int{-CompilerPhase-} String -- Check for non-application of rules -- matching this string - | CoreDoVectorisation + | CoreDoVectorisation DPHBackend | CoreDoNothing -- Useful when building up | CoreDoPasses [CoreToDo] -- lists of these things @@ -846,8 +901,7 @@ getCoreToDo dflags spec_constr = dopt Opt_SpecConstr dflags liberate_case = dopt Opt_LiberateCase dflags rule_check = ruleCheck dflags - vectorisation = dopt Opt_Vectorise dflags - -- static_args = dopt Opt_StaticArgumentTransformation dflags + static_args = dopt Opt_StaticArgumentTransformation dflags maybe_rule_check phase = runMaybe rule_check (CoreDoRuleCheck phase) @@ -859,6 +913,11 @@ getCoreToDo dflags maybe_rule_check phase ] + vectorisation + = runWhen (dopt Opt_Vectorise dflags) + $ CoreDoPasses [ simpl_gently, CoreDoVectorisation (dphBackend dflags) ] + + -- By default, we have 2 phases before phase 0. -- Want to run with inline phase 2 after the specialiser to give @@ -893,7 +952,7 @@ getCoreToDo dflags core_todo = if opt_level == 0 then - [runWhen vectorisation (CoreDoPasses [ simpl_gently, CoreDoVectorisation ]), + [vectorisation, simpl_phase 0 ["final"] max_iter] else {- opt_level >= 1 -} [ @@ -901,15 +960,14 @@ getCoreToDo dflags -- may expose extra opportunities to float things outwards. However, to fix -- up the output of the transformation we need at do at least one simplify -- after this before anything else - -- runWhen static_args CoreDoStaticArgs, - -- XXX disabled, see #2321 - - -- initial simplify: mk specialiser happy: minimum effort please - simpl_gently, + runWhen static_args (CoreDoPasses [ simpl_gently, CoreDoStaticArgs ]), -- We run vectorisation here for now, but we might also try to run -- it later - runWhen vectorisation (CoreDoPasses [ CoreDoVectorisation, simpl_gently ]), + vectorisation, + + -- initial simplify: mk specialiser happy: minimum effort please + simpl_gently, -- Specialisation is best done before full laziness -- so that overloaded functions have all their dictionary lambdas manifest @@ -1011,12 +1069,11 @@ allFlags = map ('-':) $ [ flagName flag | flag <- dynamic_flags, ok (flagOptKind flag) ] ++ map ("fno-"++) flags ++ map ("f"++) flags ++ - map ("X"++) xs ++ - map ("XNo"++) xs + map ("X"++) supportedLanguages ++ + map ("XNo"++) supportedLanguages where ok (PrefixPred _ _) = False ok _ = True - flags = map fst fFlags - xs = map fst xFlags + flags = [ name | (name, _, _) <- fFlags ] dynamic_flags :: [Flag DynP] dynamic_flags = [ @@ -1045,13 +1102,32 @@ dynamic_flags = [ , Flag "optm" (HasArg (upd . addOptm)) Supported , Flag "opta" (HasArg (upd . addOpta)) Supported , Flag "optl" (HasArg (upd . addOptl)) Supported - , Flag "optdep" (HasArg (upd . addOptdep)) Supported , Flag "optwindres" (HasArg (upd . addOptwindres)) Supported , Flag "split-objs" (NoArg (if can_split then setDynFlag Opt_SplitObjs else return ())) Supported + -------- 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 (upd (setDepWarnings False))) + (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") + -------- Linking ---------------------------------------------------- , Flag "c" (NoArg (upd $ \d -> d{ ghcLink=NoLink } )) Supported @@ -1096,6 +1172,7 @@ dynamic_flags = [ , Flag "keep-tmp-files" (NoArg (setDynFlag Opt_KeepTmpFiles)) Supported ------- Miscellaneous ---------------------------------------------- + , Flag "no-auto-link-packages" (NoArg (unSetDynFlag Opt_AutoLinkPackages)) Supported , Flag "no-hs-main" (NoArg (setDynFlag Opt_NoHsMain)) Supported , Flag "main-is" (SepArg setMainIs ) Supported , Flag "haddock" (NoArg (setDynFlag Opt_Haddock)) Supported @@ -1104,9 +1181,9 @@ dynamic_flags = [ ------- recompilation checker -------------------------------------- , Flag "recomp" (NoArg (unSetDynFlag Opt_ForceRecomp)) - (Deprecated "Use -fforce-recomp instead") - , Flag "no-recomp" (NoArg (setDynFlag Opt_ForceRecomp)) (Deprecated "Use -fno-force-recomp instead") + , Flag "no-recomp" (NoArg (setDynFlag Opt_ForceRecomp)) + (Deprecated "Use -fforce-recomp instead") ------- Packages ---------------------------------------------------- , Flag "package-conf" (HasArg extraPkgConf_) Supported @@ -1323,6 +1400,15 @@ dynamic_flags = [ (IntSuffix $ \n -> upd $ \dfs -> dfs{ ctxtStkDepth = n }) Supported + ------ DPH flags ---------------------------------------------------- + + , Flag "fdph-seq" + (NoArg (upd (setDPHBackend DPHSeq))) + Supported + , Flag "fdph-par" + (NoArg (upd (setDPHBackend DPHPar))) + Supported + ------ Compiler flags ----------------------------------------------- , Flag "fasm" (NoArg (setObjTarget HscAsm)) Supported @@ -1337,182 +1423,187 @@ dynamic_flags = [ Supported , Flag "fno-glasgow-exts" (NoArg (mapM_ unSetDynFlag glasgowExtsFlags)) Supported - - -- XXX We need to flatten these: - - -- the rest of the -f* and -fno-* flags - , Flag "f" - (PrefixPred (isFlag fFlags) - (\f -> setDynFlag (getFlag fFlags f))) - Supported - , Flag "f" - (PrefixPred (isPrefFlag "no-" fFlags) - (\f -> unSetDynFlag (getPrefFlag "no-" fFlags f))) - Supported - - -- the -X* and -XNo* flags - , Flag "X" - (PrefixPred (isFlag xFlags) - (\f -> setDynFlag (getFlag xFlags f))) - Supported - , Flag "X" - (PrefixPred (isPrefFlag "No" xFlags) - (\f -> unSetDynFlag (getPrefFlag "No" xFlags f))) - Supported ] + ++ map (mkFlag True "f" setDynFlag ) fFlags + ++ map (mkFlag False "fno-" unSetDynFlag) fFlags + ++ map (mkFlag True "X" setDynFlag ) xFlags + ++ map (mkFlag False "XNo" unSetDynFlag) xFlags + +mkFlag :: Bool -- True => turn it on, False => turn it off + -> String + -> (DynFlag -> DynP ()) + -> (String, DynFlag, Bool -> Deprecated) + -> Flag DynP +mkFlag turnOn flagPrefix f (name, dynflag, deprecated) + = Flag (flagPrefix ++ name) (NoArg (f dynflag)) (deprecated turnOn) + +deprecatedForLanguage :: String -> Bool -> Deprecated +deprecatedForLanguage lang turnOn = + Deprecated ("Use the " ++ prefix ++ lang ++ " language instead") + where prefix = if turnOn then "" else "No" -- these -f flags can all be reversed with -fno- -fFlags :: [(String, DynFlag)] +fFlags :: [(String, DynFlag, Bool -> Deprecated)] fFlags = [ - ( "warn-dodgy-imports", Opt_WarnDodgyImports ), - ( "warn-duplicate-exports", Opt_WarnDuplicateExports ), - ( "warn-hi-shadowing", Opt_WarnHiShadows ), - ( "warn-implicit-prelude", Opt_WarnImplicitPrelude ), - ( "warn-incomplete-patterns", Opt_WarnIncompletePatterns ), - ( "warn-incomplete-record-updates", Opt_WarnIncompletePatternsRecUpd ), - ( "warn-missing-fields", Opt_WarnMissingFields ), - ( "warn-missing-methods", Opt_WarnMissingMethods ), - ( "warn-missing-signatures", Opt_WarnMissingSigs ), - ( "warn-name-shadowing", Opt_WarnNameShadowing ), - ( "warn-overlapping-patterns", Opt_WarnOverlappingPatterns ), - ( "warn-simple-patterns", Opt_WarnSimplePatterns ), - ( "warn-type-defaults", Opt_WarnTypeDefaults ), - ( "warn-monomorphism-restriction", Opt_WarnMonomorphism ), - ( "warn-unused-binds", Opt_WarnUnusedBinds ), - ( "warn-unused-imports", Opt_WarnUnusedImports ), - ( "warn-unused-matches", Opt_WarnUnusedMatches ), - ( "warn-deprecations", Opt_WarnDeprecations ), - ( "warn-orphans", Opt_WarnOrphans ), - ( "warn-tabs", Opt_WarnTabs ), - ( "print-explicit-foralls", Opt_PrintExplicitForalls ), - ( "strictness", Opt_Strictness ), - ( "static-argument-transformation", Opt_StaticArgumentTransformation ), - ( "full-laziness", Opt_FullLaziness ), - ( "liberate-case", Opt_LiberateCase ), - ( "spec-constr", Opt_SpecConstr ), - ( "cse", Opt_CSE ), - ( "ignore-interface-pragmas", Opt_IgnoreInterfacePragmas ), - ( "omit-interface-pragmas", Opt_OmitInterfacePragmas ), - ( "do-lambda-eta-expansion", Opt_DoLambdaEtaExpansion ), - ( "ignore-asserts", Opt_IgnoreAsserts ), - ( "do-eta-reduction", Opt_DoEtaReduction ), - ( "case-merge", Opt_CaseMerge ), - ( "unbox-strict-fields", Opt_UnboxStrictFields ), - ( "method-sharing", Opt_MethodSharing ), - ( "dicts-cheap", Opt_DictsCheap ), - ( "excess-precision", Opt_ExcessPrecision ), - ( "asm-mangling", Opt_DoAsmMangling ), - ( "print-bind-result", Opt_PrintBindResult ), - ( "force-recomp", Opt_ForceRecomp ), - ( "hpc-no-auto", Opt_Hpc_No_Auto ), - ( "rewrite-rules", Opt_RewriteRules ), - ( "break-on-exception", Opt_BreakOnException ), - ( "break-on-error", Opt_BreakOnError ), - ( "print-evld-with-show", Opt_PrintEvldWithShow ), - ( "print-bind-contents", Opt_PrintBindContents ), - ( "run-cps", Opt_RunCPSZ ), - ( "convert-to-zipper-and-back", Opt_ConvertToZipCfgAndBack), - ( "vectorise", Opt_Vectorise ), - ( "regs-graph", Opt_RegsGraph), - ( "regs-iterative", Opt_RegsIterative), - -- Deprecated in favour of -XTemplateHaskell: - ( "th", Opt_TemplateHaskell ), - -- Deprecated in favour of -XForeignFunctionInterface: - ( "fi", Opt_ForeignFunctionInterface ), - -- Deprecated in favour of -XForeignFunctionInterface: - ( "ffi", Opt_ForeignFunctionInterface ), - -- Deprecated in favour of -XArrows: - ( "arrows", Opt_Arrows ), - -- Deprecated in favour of -XGenerics: - ( "generics", Opt_Generics ), - -- Deprecated in favour of -XImplicitPrelude: - ( "implicit-prelude", Opt_ImplicitPrelude ), - -- Deprecated in favour of -XBangPatterns: - ( "bang-patterns", Opt_BangPatterns ), - -- Deprecated in favour of -XMonomorphismRestriction: - ( "monomorphism-restriction", Opt_MonomorphismRestriction ), - -- Deprecated in favour of -XMonoPatBinds: - ( "mono-pat-binds", Opt_MonoPatBinds ), - -- Deprecated in favour of -XExtendedDefaultRules: - ( "extended-default-rules", Opt_ExtendedDefaultRules ), - -- Deprecated in favour of -XImplicitParams: - ( "implicit-params", Opt_ImplicitParams ), - -- Deprecated in favour of -XScopedTypeVariables: - ( "scoped-type-variables", Opt_ScopedTypeVariables ), - -- Deprecated in favour of -XPArr: - ( "parr", Opt_PArr ), - -- Deprecated in favour of -XOverlappingInstances: - ( "allow-overlapping-instances", Opt_OverlappingInstances ), - -- Deprecated in favour of -XUndecidableInstances: - ( "allow-undecidable-instances", Opt_UndecidableInstances ), - -- Deprecated in favour of -XIncoherentInstances: - ( "allow-incoherent-instances", Opt_IncoherentInstances ), - ( "gen-manifest", Opt_GenManifest ), - ( "embed-manifest", Opt_EmbedManifest ) + ( "warn-dodgy-foreign-imports", Opt_WarnDodgyForeignImports, 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-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-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 ), + ( "print-explicit-foralls", Opt_PrintExplicitForalls, const Supported ), + ( "strictness", Opt_Strictness, 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 ), + ( "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 ), + ( "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 ), + ( "rewrite-rules", Opt_RewriteRules, 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_RunCPSZ, 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 ), + ( "th", Opt_TemplateHaskell, + deprecatedForLanguage "TemplateHaskell" ), + ( "fi", Opt_ForeignFunctionInterface, + deprecatedForLanguage "ForeignFunctionInterface" ), + ( "ffi", Opt_ForeignFunctionInterface, + deprecatedForLanguage "ForeignFunctionInterface" ), + ( "arrows", Opt_Arrows, + deprecatedForLanguage "Arrows" ), + ( "generics", Opt_Generics, + deprecatedForLanguage "Generics" ), + ( "implicit-prelude", Opt_ImplicitPrelude, + deprecatedForLanguage "ImplicitPrelude" ), + ( "bang-patterns", Opt_BangPatterns, + deprecatedForLanguage "BangPatterns" ), + ( "monomorphism-restriction", Opt_MonomorphismRestriction, + deprecatedForLanguage "MonomorphismRestriction" ), + ( "mono-pat-binds", Opt_MonoPatBinds, + deprecatedForLanguage "MonoPatBinds" ), + ( "extended-default-rules", Opt_ExtendedDefaultRules, + deprecatedForLanguage "ExtendedDefaultRules" ), + ( "implicit-params", Opt_ImplicitParams, + deprecatedForLanguage "ImplicitParams" ), + ( "scoped-type-variables", Opt_ScopedTypeVariables, + deprecatedForLanguage "ScopedTypeVariables" ), + ( "parr", Opt_PArr, + deprecatedForLanguage "PArr" ), + ( "allow-overlapping-instances", Opt_OverlappingInstances, + deprecatedForLanguage "OverlappingInstances" ), + ( "allow-undecidable-instances", Opt_UndecidableInstances, + deprecatedForLanguage "UndecidableInstances" ), + ( "allow-incoherent-instances", Opt_IncoherentInstances, + deprecatedForLanguage "IncoherentInstances" ), + ( "gen-manifest", Opt_GenManifest, const Supported ), + ( "embed-manifest", Opt_EmbedManifest, const Supported ) ] supportedLanguages :: [String] -supportedLanguages = map fst xFlags +supportedLanguages = [ name | (name, _, _) <- xFlags ] + +-- This may contain duplicates +languageOptions :: [DynFlag] +languageOptions = [ dynFlag | (_, dynFlag, _) <- xFlags ] -- These -X flags can all be reversed with -XNo -xFlags :: [(String, DynFlag)] +xFlags :: [(String, DynFlag, Bool -> Deprecated)] xFlags = [ - ( "CPP", Opt_Cpp ), - ( "PatternGuards", Opt_PatternGuards ), - ( "UnicodeSyntax", Opt_UnicodeSyntax ), - ( "MagicHash", Opt_MagicHash ), - ( "PolymorphicComponents", Opt_PolymorphicComponents ), - ( "ExistentialQuantification", Opt_ExistentialQuantification ), - ( "KindSignatures", Opt_KindSignatures ), - ( "PatternSignatures", Opt_PatternSignatures ), - ( "EmptyDataDecls", Opt_EmptyDataDecls ), - ( "ParallelListComp", Opt_ParallelListComp ), - ( "TransformListComp", Opt_TransformListComp ), - ( "ForeignFunctionInterface", Opt_ForeignFunctionInterface ), - ( "UnliftedFFITypes", Opt_UnliftedFFITypes ), - ( "LiberalTypeSynonyms", Opt_LiberalTypeSynonyms ), - ( "Rank2Types", Opt_Rank2Types ), - ( "RankNTypes", Opt_RankNTypes ), - ( "ImpredicativeTypes", Opt_ImpredicativeTypes ), - ( "TypeOperators", Opt_TypeOperators ), - ( "RecursiveDo", Opt_RecursiveDo ), - ( "Arrows", Opt_Arrows ), - ( "PArr", Opt_PArr ), - ( "TemplateHaskell", Opt_TemplateHaskell ), - ( "QuasiQuotes", Opt_QuasiQuotes ), - ( "Generics", Opt_Generics ), + ( "CPP", Opt_Cpp, const Supported ), + ( "PostfixOperators", Opt_PostfixOperators, 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 ), + ( "PatternSignatures", Opt_PatternSignatures, 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 ), + ( "LiberalTypeSynonyms", Opt_LiberalTypeSynonyms, const Supported ), + ( "Rank2Types", Opt_Rank2Types, const Supported ), + ( "RankNTypes", Opt_RankNTypes, const Supported ), + ( "ImpredicativeTypes", Opt_ImpredicativeTypes, const Supported ), + ( "TypeOperators", Opt_TypeOperators, const Supported ), + ( "RecursiveDo", Opt_RecursiveDo, 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 ), - ( "RecordWildCards", Opt_RecordWildCards ), - ( "RecordPuns", Opt_RecordPuns ), - ( "DisambiguateRecordFields", Opt_DisambiguateRecordFields ), - ( "OverloadedStrings", Opt_OverloadedStrings ), - ( "GADTs", Opt_GADTs ), - ( "ViewPatterns", Opt_ViewPatterns), - ( "TypeFamilies", Opt_TypeFamilies ), - ( "BangPatterns", Opt_BangPatterns ), + ( "ImplicitPrelude", Opt_ImplicitPrelude, const Supported ), + ( "RecordWildCards", Opt_RecordWildCards, const Supported ), + ( "NamedFieldPuns", Opt_RecordPuns, const Supported ), + ( "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 ), + ( "MonomorphismRestriction", Opt_MonomorphismRestriction, const Supported ), -- On by default (which is not strictly H98): - ( "MonoPatBinds", Opt_MonoPatBinds ), - ( "RelaxedPolyRec", Opt_RelaxedPolyRec), - ( "ExtendedDefaultRules", Opt_ExtendedDefaultRules ), - ( "ImplicitParams", Opt_ImplicitParams ), - ( "ScopedTypeVariables", Opt_ScopedTypeVariables ), - ( "UnboxedTuples", Opt_UnboxedTuples ), - ( "StandaloneDeriving", Opt_StandaloneDeriving ), - ( "DeriveDataTypeable", Opt_DeriveDataTypeable ), - ( "TypeSynonymInstances", Opt_TypeSynonymInstances ), - ( "FlexibleContexts", Opt_FlexibleContexts ), - ( "FlexibleInstances", Opt_FlexibleInstances ), - ( "ConstrainedClassMethods", Opt_ConstrainedClassMethods ), - ( "MultiParamTypeClasses", Opt_MultiParamTypeClasses ), - ( "FunctionalDependencies", Opt_FunctionalDependencies ), - ( "GeneralizedNewtypeDeriving", Opt_GeneralizedNewtypeDeriving ), - ( "OverlappingInstances", Opt_OverlappingInstances ), - ( "UndecidableInstances", Opt_UndecidableInstances ), - ( "IncoherentInstances", Opt_IncoherentInstances ) + ( "MonoPatBinds", Opt_MonoPatBinds, const Supported ), + ( "RelaxedPolyRec", Opt_RelaxedPolyRec, const Supported ), + ( "ExtendedDefaultRules", Opt_ExtendedDefaultRules, const Supported ), + ( "ImplicitParams", Opt_ImplicitParams, const Supported ), + ( "ScopedTypeVariables", Opt_ScopedTypeVariables, const Supported ), + ( "UnboxedTuples", Opt_UnboxedTuples, const Supported ), + ( "StandaloneDeriving", Opt_StandaloneDeriving, const Supported ), + ( "DeriveDataTypeable", Opt_DeriveDataTypeable, 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 ) ] impliedFlags :: [(DynFlag, [DynFlag])] @@ -1544,6 +1635,7 @@ glasgowExtsFlags = [ , Opt_PolymorphicComponents , Opt_ExistentialQuantification , Opt_UnicodeSyntax + , Opt_PostfixOperators , Opt_PatternGuards , Opt_LiberalTypeSynonyms , Opt_RankNTypes @@ -1557,32 +1649,24 @@ glasgowExtsFlags = [ , Opt_GeneralizedNewtypeDeriving , Opt_TypeFamilies ] ------------------- -isFlag :: [(String,a)] -> String -> Bool -isFlag flags f = any (\(ff,_) -> ff == f) flags - -isPrefFlag :: String -> [(String,a)] -> String -> Bool -isPrefFlag pref flags no_f - | Just f <- maybePrefixMatch pref no_f = isFlag flags f - | otherwise = False - ------------------- -getFlag :: [(String,a)] -> String -> a -getFlag flags f = case [ opt | (ff, opt) <- flags, ff == f] of - (o:_) -> o - [] -> panic ("get_flag " ++ f) - -getPrefFlag :: String -> [(String,a)] -> String -> a -getPrefFlag pref flags f = getFlag flags (fromJust (maybePrefixMatch pref f)) --- We should only be passed flags which match the prefix - -- ----------------------------------------------------------------------------- -- Parsing the dynamic flags. parseDynamicFlags :: DynFlags -> [String] -> IO (DynFlags, [String], [String]) parseDynamicFlags dflags args = 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 ("-optdep" : x : xs) = ("-optdep" ++ x) : f xs + f (x : xs) = x : f xs + f xs = xs + args' = f args let ((leftover, errs, warns), dflags') - = runCmdLine (processArgs dynamic_flags args) dflags + = runCmdLine (processArgs dynamic_flags args') dflags when (not (null errs)) $ do throwDyn (UsageError (unlines errs)) return (dflags', leftover, warns) @@ -1728,6 +1812,11 @@ setDPHOpt dflags = setOptLevel 2 (dflags { maxSimplIterations = 20 `dopt_set` Opt_DictsCheap `dopt_unset` Opt_MethodSharing +data DPHBackend = DPHPar + | DPHSeq + +setDPHBackend :: DPHBackend -> DynFlags -> DynFlags +setDPHBackend backend dflags = dflags { dphBackend = backend } setMainIs :: String -> DynP () @@ -1889,7 +1978,6 @@ machdepCCOpts _dflags sta = opt_Static in ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "" --- , if "mingw32" `isSuffixOf` cTARGETPLATFORM then "-mno-cygwin" else "" ], [ "-fno-defer-pop", "-fomit-frame-pointer",