X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FCmdLineOpts.lhs;h=6cf2f3da374bcbcac9fa1b24cdb63fa9290caa83;hb=538cf5105b079fa779b612c6154db2bb4febb586;hp=d0e8859e31dd8df3587cffe517cba9724d400df8;hpb=69b29b57f29e775ffbe2108f8315aca3a690a1bc;p=ghc-hetmet.git diff --git a/ghc/compiler/main/CmdLineOpts.lhs b/ghc/compiler/main/CmdLineOpts.lhs index d0e8859..6cf2f3d 100644 --- a/ghc/compiler/main/CmdLineOpts.lhs +++ b/ghc/compiler/main/CmdLineOpts.lhs @@ -1,4 +1,4 @@ -% + % (c) The University of Glasgow, 1996-2000 % \section[CmdLineOpts]{Things to do with command-line options} @@ -6,80 +6,51 @@ \begin{code} module CmdLineOpts ( - CoreToDo(..), - SimplifierSwitch(..), isAmongSimpl, - StgToDo(..), - SwitchResult(..), + CoreToDo(..), StgToDo(..), + SimplifierSwitch(..), + SimplifierMode(..), FloatOutSwitches(..), + HscLang(..), DynFlag(..), -- needed non-abstractly by DriverFlags DynFlags(..), - intSwitchSet, - switchIsOn, - isStaticHscFlag, + v_Static_hsc_opts, - -- debugging opts - dopt_D_dump_absC, - dopt_D_dump_asm, - dopt_D_dump_cpranal, - dopt_D_dump_cse, - dopt_D_dump_deriv, - dopt_D_dump_ds, - dopt_D_dump_flatC, - dopt_D_dump_foreign, - dopt_D_dump_hi_diffs, - dopt_D_dump_inlinings, - dopt_D_dump_occur_anal, - dopt_D_dump_parsed, - dopt_D_dump_realC, - dopt_D_dump_rn, - dopt_D_dump_rules, - dopt_D_dump_simpl, - dopt_D_dump_simpl_iterations, - dopt_D_dump_simpl_stats, - dopt_D_dump_spec, - dopt_D_dump_stg, - dopt_D_dump_stranal, - dopt_D_dump_tc, - dopt_D_dump_types, - dopt_D_dump_usagesp, - dopt_D_dump_worker_wrapper, - dopt_D_show_passes, - dopt_D_dump_rn_trace, - dopt_D_dump_rn_stats, - dopt_D_dump_stix, - dopt_D_dump_minimal_imports, - dopt_D_source_stats, - dopt_D_verbose_core2core, - dopt_D_verbose_stg2stg, - dopt_DoCoreLinting, - dopt_DoStgLinting, - dopt_DoUSPLinting, + isStaticHscFlag, + -- Manipulating DynFlags + defaultDynFlags, -- DynFlags + defaultHscLang, -- HscLang + dopt, -- DynFlag -> DynFlags -> Bool + dopt_set, dopt_unset, -- DynFlags -> DynFlag -> DynFlags + dopt_CoreToDo, -- DynFlags -> [CoreToDo] + dopt_StgToDo, -- DynFlags -> [StgToDo] + dopt_HscLang, -- DynFlags -> HscLang + dopt_OutName, -- DynFlags -> String + getOpts, -- (DynFlags -> [a]) -> IO [a] + setLang, + getVerbFlag, + + -- Manipulating the DynFlags state + getDynFlags, -- IO DynFlags + setDynFlags, -- DynFlags -> IO () + updDynFlags, -- (DynFlags -> DynFlags) -> IO () + dynFlag, -- (DynFlags -> a) -> IO a + setDynFlag, unSetDynFlag, -- DynFlag -> IO () + saveDynFlags, -- IO () + restoreDynFlags, -- IO DynFlags + + -- sets of warning opts + standardWarnings, + minusWOpts, + minusWallOpts, + + -- Output style options opt_PprStyle_NoPrags, + opt_PprStyle_RawTypes, opt_PprUserLength, opt_PprStyle_Debug, - -- other dynamic flags - dopt_CoreToDo, - dopt_StgToDo, - - -- warning opts - opt_WarnDuplicateExports, - opt_WarnHiShadows, - opt_WarnIncompletePatterns, - opt_WarnMissingFields, - opt_WarnMissingMethods, - opt_WarnMissingSigs, - opt_WarnNameShadowing, - opt_WarnOverlappingPatterns, - opt_WarnSimplePatterns, - opt_WarnTypeDefaults, - opt_WarnUnusedBinds, - opt_WarnUnusedImports, - opt_WarnUnusedMatches, - opt_WarnDeprecations, - -- profiling opts opt_AutoSccsOnAllToplevs, opt_AutoSccsOnExportedToplevs, @@ -92,33 +63,30 @@ module CmdLineOpts ( opt_AllStrict, opt_DictsStrict, opt_MaxContextReductionDepth, - dopt_AllowOverlappingInstances, - dopt_AllowUndecidableInstances, - dopt_GlasgowExts, - opt_Generics, opt_IrrefutableTuples, opt_NumbersStrict, opt_Parallel, opt_SMP, + opt_RuntimeTypes, + opt_Flatten, -- optimisation opts + opt_NoMethodSharing, opt_DoSemiTagging, - opt_FoldrBuildOn, opt_LiberateCaseThreshold, opt_StgDoLetNoEscapes, opt_UnfoldCasms, - opt_UsageSPOn, + opt_CprOff, + opt_RulesOff, opt_UnboxStrictFields, opt_SimplNoPreInlining, opt_SimplDoEtaReduction, opt_SimplDoLambdaEtaExpansion, - opt_SimplCaseOfCase, opt_SimplCaseMerge, - opt_SimplPedanticBottoms, opt_SimplExcessPrecision, + opt_MaxWorkerArgs, -- Unfolding control - opt_UF_HiFileThreshold, opt_UF_CreationThreshold, opt_UF_UseThreshold, opt_UF_FunAppDiscount, @@ -137,40 +105,25 @@ module CmdLineOpts ( opt_IgnoreAsserts, opt_IgnoreIfacePragmas, opt_NoHiCheck, - opt_NoImplicitPrelude, opt_OmitBlackHoling, opt_OmitInterfacePragmas, - opt_NoPruneTyDecls, opt_NoPruneDecls, - opt_ReportCompile, opt_Static, opt_Unregisterised, - opt_Verbose, - - -- Code generation - opt_UseVanillaRegs, - opt_UseFloatRegs, - opt_UseDoubleRegs, - opt_UseLongRegs + opt_EmitExternalCore ) where #include "HsVersions.h" -import Array ( array, (//) ) -import GlaExts -import Argv import Constants -- Default values for some flags import Util -import FastTypes - +import FastString ( FastString, mkFastString ) +import Config import Maybes ( firstJust ) -import Panic ( panic ) -#if __GLASGOW_HASKELL__ < 301 -import ArrBase ( Array(..) ) -#else -import PrelArr ( Array(..) ) -#endif +import GLAEXTS +import DATA_IOREF ( IORef, readIORef, writeIORef ) +import UNSAFE_IO ( unsafePerformIO ) \end{code} %************************************************************************ @@ -213,54 +166,54 @@ main loop (\tr{main/Main.lhs}), in the Core-to-Core processing loop %************************************************************************ \begin{code} -data SwitchResult - = SwBool Bool -- on/off - | SwString FAST_STRING -- nothing or a String - | SwInt Int -- nothing or an Int -\end{code} - -\begin{code} data CoreToDo -- These are diff core-to-core passes, -- which may be invoked in any order, -- as many times as you like. = CoreDoSimplify -- The core-to-core simplifier. - (SimplifierSwitch -> SwitchResult) + SimplifierMode + [SimplifierSwitch] -- Each run of the simplifier can take a different -- set of simplifier-specific flags. | CoreDoFloatInwards - | CoreDoFloatOutwards Bool -- True <=> float lambdas to top level + | CoreDoFloatOutwards FloatOutSwitches | CoreLiberateCase | CoreDoPrintCore | CoreDoStaticArgs | CoreDoStrictness | CoreDoWorkerWrapper | CoreDoSpecialising - | CoreDoUSPInf - | CoreDoCPResult + | CoreDoSpecConstr + | CoreDoOldStrictness | CoreDoGlomBinds | CoreCSE + | CoreDoRuleCheck Int{-CompilerPhase-} String -- Check for non-application of rules + -- matching this string | CoreDoNothing -- useful when building up lists of these things \end{code} \begin{code} data StgToDo - = StgDoStaticArgs - | StgDoLambdaLift - | StgDoMassageForProfiling -- should be (next to) last + = StgDoMassageForProfiling -- should be (next to) last -- There's also setStgVarInfo, but its absolute "lastness" -- is so critical that it is hardwired in (no flag). | D_stg_stats \end{code} \begin{code} +data SimplifierMode -- See comments in SimplMonad + = SimplGently + | SimplPhase Int + data SimplifierSwitch = MaxSimplifierIterations Int - | SimplInlinePhase Int - | DontApplyRules | NoCaseOfCase - | SimplLetToCase + +data FloatOutSwitches + = FloatOutSw Bool -- True <=> float lambdas to top level + Bool -- True <=> float constants to top level, + -- even if they do not escape a lambda \end{code} %************************************************************************ @@ -273,9 +226,7 @@ data SimplifierSwitch data DynFlag -- debugging flags - = Opt_D_dump_all - | Opt_D_dump_most - | Opt_D_dump_absC + = Opt_D_dump_absC | Opt_D_dump_asm | Opt_D_dump_cpranal | Opt_D_dump_deriv @@ -290,101 +241,260 @@ data DynFlag | Opt_D_dump_simpl | Opt_D_dump_simpl_iterations | Opt_D_dump_spec + | Opt_D_dump_prep | Opt_D_dump_stg | Opt_D_dump_stranal | Opt_D_dump_tc | Opt_D_dump_types | Opt_D_dump_rules - | Opt_D_dump_usagesp | Opt_D_dump_cse | Opt_D_dump_worker_wrapper - | Opt_D_show_passes | Opt_D_dump_rn_trace | Opt_D_dump_rn_stats | Opt_D_dump_stix | Opt_D_dump_simpl_stats + | Opt_D_dump_tc_trace + | Opt_D_dump_splices + | Opt_D_dump_BCOs + | Opt_D_dump_vect | Opt_D_source_stats | Opt_D_verbose_core2core | Opt_D_verbose_stg2stg + | Opt_D_dump_hi | Opt_D_dump_hi_diffs | Opt_D_dump_minimal_imports | Opt_DoCoreLinting | Opt_DoStgLinting - | Opt_DoUSPLinting + + | Opt_WarnIsError -- -Werror; makes warnings fatal + | Opt_WarnDuplicateExports + | Opt_WarnHiShadows + | Opt_WarnIncompletePatterns + | Opt_WarnMissingFields + | Opt_WarnMissingMethods + | Opt_WarnMissingSigs + | Opt_WarnNameShadowing + | Opt_WarnOverlappingPatterns + | Opt_WarnSimplePatterns + | Opt_WarnTypeDefaults + | Opt_WarnUnusedBinds + | Opt_WarnUnusedImports + | Opt_WarnUnusedMatches + | Opt_WarnDeprecations + | Opt_WarnMisc -- language opts | Opt_AllowOverlappingInstances | Opt_AllowUndecidableInstances + | Opt_AllowIncoherentInstances + | Opt_NoMonomorphismRestriction | Opt_GlasgowExts + | Opt_FFI + | Opt_PArr -- syntactic support for parallel arrays + | Opt_With -- deprecated keyword for implicit parms + | Opt_Arrows -- Arrow-notation syntax + | Opt_Generics + | Opt_NoImplicitPrelude + deriving (Eq) data DynFlags = DynFlags { - coreToDo :: CoreToDo, - stgToDo :: StgToDo, - hscLang :: HscLang, - flags :: [DynFlag] - } - -boolOpt :: DynFlag -> DynFlags -> Bool -boolOpt f dflags = f `elem` (flags dflags) - -dopt_D_dump_all = boolOpt Opt_D_dump_all -dopt_D_dump_most = boolOpt Opt_D_dump_most -dopt_D_dump_absC = boolOpt Opt_D_dump_absC -dopt_D_dump_asm = boolOpt Opt_D_dump_asm -dopt_D_dump_cpranal = boolOpt Opt_D_dump_cpranal -dopt_D_dump_deriv = boolOpt Opt_D_dump_deriv -dopt_D_dump_ds = boolOpt Opt_D_dump_ds -dopt_D_dump_flatC = boolOpt Opt_D_dump_flatC -dopt_D_dump_foreign = boolOpt Opt_D_dump_foreign -dopt_D_dump_inlinings = boolOpt Opt_D_dump_inlinings -dopt_D_dump_occur_anal = boolOpt Opt_D_dump_occur_anal -dopt_D_dump_parsed = boolOpt Opt_D_dump_parsed -dopt_D_dump_realC = boolOpt Opt_D_dump_realC -dopt_D_dump_rn = boolOpt Opt_D_dump_rn -dopt_D_dump_simpl = boolOpt Opt_D_dump_simpl -dopt_D_dump_simpl_iterations = boolOpt Opt_D_dump_simpl_iterations -dopt_D_dump_spec = boolOpt Opt_D_dump_spec -dopt_D_dump_stg = boolOpt Opt_D_dump_stg -dopt_D_dump_stranal = boolOpt Opt_D_dump_stranal -dopt_D_dump_tc = boolOpt Opt_D_dump_tc -dopt_D_dump_types = boolOpt Opt_D_dump_types -dopt_D_dump_rules = boolOpt Opt_D_dump_rules -dopt_D_dump_usagesp = boolOpt Opt_D_dump_usagesp -dopt_D_dump_cse = boolOpt Opt_D_dump_cse -dopt_D_dump_worker_wrapper = boolOpt Opt_D_dump_worker_wrapper -dopt_D_show_passes = boolOpt Opt_D_show_passes -dopt_D_dump_rn_trace = boolOpt Opt_D_dump_rn_trace -dopt_D_dump_rn_stats = boolOpt Opt_D_dump_rn_stats -dopt_D_dump_stix = boolOpt Opt_D_dump_stix -dopt_D_dump_simpl_stats = boolOpt Opt_D_dump_simpl_stats -dopt_D_source_stats = boolOpt Opt_D_source_stats -dopt_D_verbose_core2core = boolOpt Opt_D_verbose_core2core -dopt_D_verbose_stg2stg = boolOpt Opt_D_verbose_stg2stg -dopt_D_dump_hi_diffs = boolOpt Opt_D_dump_hi_diffs -dopt_D_dump_minimal_imports = boolOpt Opt_D_dump_minimal_imports -dopt_DoCoreLinting = boolOpt Opt_DoCoreLinting -dopt_DoStgLinting = boolOpt Opt_DoStgLinting -dopt_DoUSPLinting = boolOpt Opt_DoUSPLinting - -dopt_AllowOverlappingInstances = boolOpt Opt_AllowOverlappingInstances -dopt_AllowUndecidableInstances = boolOpt Opt_AllowUndecidableInstances -dopt_GlasgowExts = boolOpt Opt_GlasgowExts - -dopt_CoreToDo :: DynFlags -> CoreToDo -dopt_CoreToDo = coreToDo + coreToDo :: [CoreToDo], + stgToDo :: [StgToDo], + hscLang :: HscLang, + hscOutName :: String, -- name of the output file + hscStubHOutName :: String, -- name of the .stub_h output file + hscStubCOutName :: String, -- name of the .stub_c output file + extCoreName :: String, -- name of the .core output file + verbosity :: Int, -- verbosity level + cppFlag :: Bool, -- preprocess with cpp? + ppFlag :: Bool, -- preprocess with a Haskell Pp? + stolen_x86_regs :: Int, + cmdlineHcIncludes :: [String], -- -#includes + + -- options for particular phases + opt_L :: [String], + opt_P :: [String], + opt_F :: [String], + opt_c :: [String], + opt_a :: [String], + opt_m :: [String], +#ifdef ILX + opt_I :: [String], + opt_i :: [String], +#endif -dopt_StgToDo :: DynFlags -> StgToDo -dopt_StgToDo = stgToDo + -- hsc dynamic flags + flags :: [DynFlag] + } data HscLang = HscC | HscAsm | HscJava - deriving Eq + | HscILX + | HscInterpreted + | HscNothing + deriving (Eq, Show) + +defaultHscLang + | cGhcWithNativeCodeGen == "YES" && + (prefixMatch "i386" cTARGETPLATFORM || + prefixMatch "sparc" cTARGETPLATFORM || + prefixMatch "powerpc" cTARGETPLATFORM) = HscAsm + | otherwise = HscC + +defaultDynFlags = DynFlags { + coreToDo = [], stgToDo = [], + hscLang = defaultHscLang, + hscOutName = "", + hscStubHOutName = "", hscStubCOutName = "", + extCoreName = "", + verbosity = 0, + cppFlag = False, + ppFlag = False, + stolen_x86_regs = 4, + cmdlineHcIncludes = [], + opt_L = [], + opt_P = [], + opt_F = [], + opt_c = [], + opt_a = [], + opt_m = [], +#ifdef ILX + opt_I = [], + opt_i = [], +#endif + flags = [Opt_Generics] ++ standardWarnings, + -- Generating the helper-functions for + -- generics is now on by default + } + +{- + Verbosity levels: + + 0 | print errors & warnings only + 1 | minimal verbosity: print "compiling M ... done." for each module. + 2 | equivalent to -dshow-passes + 3 | equivalent to existing "ghc -v" + 4 | "ghc -v -ddump-most" + 5 | "ghc -v -ddump-all" +-} + +dopt :: DynFlag -> DynFlags -> Bool +dopt f dflags = f `elem` (flags dflags) + +dopt_CoreToDo :: DynFlags -> [CoreToDo] +dopt_CoreToDo = coreToDo + +dopt_StgToDo :: DynFlags -> [StgToDo] +dopt_StgToDo = stgToDo + +dopt_OutName :: DynFlags -> String +dopt_OutName = hscOutName dopt_HscLang :: DynFlags -> HscLang dopt_HscLang = hscLang + +dopt_set :: DynFlags -> DynFlag -> DynFlags +dopt_set dfs f = dfs{ flags = f : flags dfs } + +dopt_unset :: DynFlags -> DynFlag -> DynFlags +dopt_unset dfs f = dfs{ flags = filter (/= f) (flags dfs) } + +getOpts :: (DynFlags -> [a]) -> IO [a] + -- We add to the options from the front, so we need to reverse the list +getOpts opts = dynFlag opts >>= return . reverse + +-- we can only switch between HscC, HscAsmm, and HscILX with dynamic flags +-- (-fvia-C, -fasm, -filx respectively). +setLang l = updDynFlags (\ dfs -> case hscLang dfs of + HscC -> dfs{ hscLang = l } + HscAsm -> dfs{ hscLang = l } + HscILX -> dfs{ hscLang = l } + _ -> dfs) + +getVerbFlag = do + verb <- dynFlag verbosity + if verb >= 3 then return "-v" else return "" +\end{code} + +----------------------------------------------------------------------------- +-- Mess about with the mutable variables holding the dynamic arguments + +-- v_InitDynFlags +-- is the "baseline" dynamic flags, initialised from +-- the defaults and command line options, and updated by the +-- ':s' command in GHCi. +-- +-- v_DynFlags +-- is the dynamic flags for the current compilation. It is reset +-- to the value of v_InitDynFlags before each compilation, then +-- updated by reading any OPTIONS pragma in the current module. + +\begin{code} +GLOBAL_VAR(v_InitDynFlags, defaultDynFlags, DynFlags) +GLOBAL_VAR(v_DynFlags, defaultDynFlags, DynFlags) + +setDynFlags :: DynFlags -> IO () +setDynFlags dfs = writeIORef v_DynFlags dfs + +saveDynFlags :: IO () +saveDynFlags = do dfs <- readIORef v_DynFlags + writeIORef v_InitDynFlags dfs + +restoreDynFlags :: IO DynFlags +restoreDynFlags = do dfs <- readIORef v_InitDynFlags + writeIORef v_DynFlags dfs + return dfs + +getDynFlags :: IO DynFlags +getDynFlags = readIORef v_DynFlags + +updDynFlags :: (DynFlags -> DynFlags) -> IO () +updDynFlags f = do dfs <- readIORef v_DynFlags + writeIORef v_DynFlags (f dfs) + +dynFlag :: (DynFlags -> a) -> IO a +dynFlag f = do dflags <- readIORef v_DynFlags; return (f dflags) + +setDynFlag, unSetDynFlag :: DynFlag -> IO () +setDynFlag f = updDynFlags (\dfs -> dopt_set dfs f) +unSetDynFlag f = updDynFlags (\dfs -> dopt_unset dfs f) +\end{code} + + +%************************************************************************ +%* * +\subsection{Warnings} +%* * +%************************************************************************ + +\begin{code} +standardWarnings + = [ Opt_WarnDeprecations, + Opt_WarnOverlappingPatterns, + Opt_WarnMissingFields, + Opt_WarnMissingMethods, + Opt_WarnDuplicateExports + ] + +minusWOpts + = standardWarnings ++ + [ Opt_WarnUnusedBinds, + Opt_WarnUnusedMatches, + Opt_WarnUnusedImports, + Opt_WarnIncompletePatterns, + Opt_WarnMisc + ] + +minusWallOpts + = minusWOpts ++ + [ Opt_WarnTypeDefaults, + Opt_WarnNameShadowing, + Opt_WarnMissingSigs, + Opt_WarnHiShadows + ] \end{code} %************************************************************************ @@ -394,15 +504,22 @@ dopt_HscLang = hscLang %************************************************************************ \begin{code} -lookUp :: FAST_STRING -> Bool +-- v_Statis_hsc_opts is here to avoid a circular dependency with +-- main/DriverState. +GLOBAL_VAR(v_Static_hsc_opts, [], [String]) + +lookUp :: FastString -> Bool lookup_int :: String -> Maybe Int lookup_def_int :: String -> Int -> Int lookup_def_float :: String -> Float -> Float lookup_str :: String -> Maybe String -lookUp sw = sw `elem` argv +unpacked_static_opts = unsafePerformIO (readIORef v_Static_hsc_opts) +packed_static_opts = map mkFastString unpacked_static_opts + +lookUp sw = sw `elem` packed_static_opts -lookup_str sw = firstJust (map (startsWith sw) unpacked_opts) +lookup_str sw = firstJust (map (startsWith sw) unpacked_static_opts) lookup_int sw = case (lookup_str sw) of Nothing -> Nothing @@ -412,15 +529,10 @@ lookup_def_int sw def = case (lookup_str sw) of Nothing -> def -- Use default Just xx -> read xx -lookup_def_char sw def = case (lookup_str sw) of - Just (xx:_) -> xx - _ -> def -- Use default - lookup_def_float sw def = case (lookup_str sw) of Nothing -> def -- Use default Just xx -> read xx -unpacked_opts = map _UNPK_ argv {- Putting the compiler options into temporary at-files @@ -432,7 +544,7 @@ unpacked_opts :: [String] unpacked_opts = concat $ map (expandAts) $ - map _UNPK_ argv + map unpackFS argv -- NOT ARGV any more: v_Static_hsc_opts where expandAts ('@':fname) = words (unsafePerformIO (readFile fname)) expandAts l = [l] @@ -447,111 +559,85 @@ unpacked_opts = \begin{code} -- debugging opts -opt_PprStyle_NoPrags = lookUp SLIT("-dppr-noprags") -opt_PprStyle_Debug = lookUp SLIT("-dppr-debug") +opt_PprStyle_NoPrags = lookUp FSLIT("-dppr-noprags") +opt_PprStyle_Debug = lookUp FSLIT("-dppr-debug") +opt_PprStyle_RawTypes = lookUp FSLIT("-dppr-rawtypes") opt_PprUserLength = lookup_def_int "-dppr-user-length" 5 --ToDo: give this a name --- warning opts -opt_WarnDuplicateExports = lookUp SLIT("-fwarn-duplicate-exports") -opt_WarnHiShadows = lookUp SLIT("-fwarn-hi-shadowing") -opt_WarnIncompletePatterns = lookUp SLIT("-fwarn-incomplete-patterns") -opt_WarnMissingFields = lookUp SLIT("-fwarn-missing-fields") -opt_WarnMissingMethods = lookUp SLIT("-fwarn-missing-methods") -opt_WarnMissingSigs = lookUp SLIT("-fwarn-missing-signatures") -opt_WarnNameShadowing = lookUp SLIT("-fwarn-name-shadowing") -opt_WarnOverlappingPatterns = lookUp SLIT("-fwarn-overlapping-patterns") -opt_WarnSimplePatterns = lookUp SLIT("-fwarn-simple-patterns") -opt_WarnTypeDefaults = lookUp SLIT("-fwarn-type-defaults") -opt_WarnUnusedBinds = lookUp SLIT("-fwarn-unused-binds") -opt_WarnUnusedImports = lookUp SLIT("-fwarn-unused-imports") -opt_WarnUnusedMatches = lookUp SLIT("-fwarn-unused-matches") -opt_WarnDeprecations = lookUp SLIT("-fwarn-deprecations") - -- profiling opts -opt_AutoSccsOnAllToplevs = lookUp SLIT("-fauto-sccs-on-all-toplevs") -opt_AutoSccsOnExportedToplevs = lookUp SLIT("-fauto-sccs-on-exported-toplevs") -opt_AutoSccsOnIndividualCafs = lookUp SLIT("-fauto-sccs-on-individual-cafs") -opt_AutoSccsOnDicts = lookUp SLIT("-fauto-sccs-on-dicts") -opt_SccProfilingOn = lookUp SLIT("-fscc-profiling") -opt_DoTickyProfiling = lookUp SLIT("-fticky-ticky") +opt_AutoSccsOnAllToplevs = lookUp FSLIT("-fauto-sccs-on-all-toplevs") +opt_AutoSccsOnExportedToplevs = lookUp FSLIT("-fauto-sccs-on-exported-toplevs") +opt_AutoSccsOnIndividualCafs = lookUp FSLIT("-fauto-sccs-on-individual-cafs") +opt_AutoSccsOnDicts = lookUp FSLIT("-fauto-sccs-on-dicts") +opt_SccProfilingOn = lookUp FSLIT("-fscc-profiling") +opt_DoTickyProfiling = lookUp FSLIT("-fticky-ticky") -- language opts -opt_AllStrict = lookUp SLIT("-fall-strict") -opt_DictsStrict = lookUp SLIT("-fdicts-strict") -opt_Generics = lookUp SLIT("-fgenerics") -opt_IrrefutableTuples = lookUp SLIT("-firrefutable-tuples") +opt_AllStrict = lookUp FSLIT("-fall-strict") +opt_DictsStrict = lookUp FSLIT("-fdicts-strict") +opt_IrrefutableTuples = lookUp FSLIT("-firrefutable-tuples") opt_MaxContextReductionDepth = lookup_def_int "-fcontext-stack" mAX_CONTEXT_REDUCTION_DEPTH -opt_NumbersStrict = lookUp SLIT("-fnumbers-strict") -opt_Parallel = lookUp SLIT("-fparallel") -opt_SMP = lookUp SLIT("-fsmp") +opt_NumbersStrict = lookUp FSLIT("-fnumbers-strict") +opt_Parallel = lookUp FSLIT("-fparallel") +opt_SMP = lookUp FSLIT("-fsmp") +opt_Flatten = lookUp FSLIT("-fflatten") -- optimisation opts -opt_DoSemiTagging = lookUp SLIT("-fsemi-tagging") -opt_FoldrBuildOn = lookUp SLIT("-ffoldr-build-on") +opt_NoMethodSharing = lookUp FSLIT("-fno-method-sharing") +opt_DoSemiTagging = lookUp FSLIT("-fsemi-tagging") +opt_CprOff = lookUp FSLIT("-fcpr-off") +opt_RulesOff = lookUp FSLIT("-frules-off") + -- Switch off CPR analysis in the new demand analyser opt_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" (10::Int) -opt_StgDoLetNoEscapes = lookUp SLIT("-flet-no-escape") -opt_UnfoldCasms = lookUp SLIT("-funfold-casms-in-hi-file") -opt_UsageSPOn = lookUp SLIT("-fusagesp-on") -opt_UnboxStrictFields = lookUp SLIT("-funbox-strict-fields") +opt_StgDoLetNoEscapes = lookUp FSLIT("-flet-no-escape") +opt_UnfoldCasms = lookUp FSLIT("-funfold-casms-in-hi-file") +opt_UnboxStrictFields = lookUp FSLIT("-funbox-strict-fields") +opt_MaxWorkerArgs = lookup_def_int "-fmax-worker-args" (10::Int) {- - The optional '-inpackage=P' flag tells what package + The optional '-inpackage=P' flag tells what package we are compiling this module for. - The Prelude, for example is compiled with '-package prelude' + The Prelude, for example is compiled with '-inpackage std' -} opt_InPackage = case lookup_str "-inpackage=" of - Just p -> _PK_ p - Nothing -> SLIT("Main") -- The package name if none is specified + Just p -> mkFastString p + Nothing -> FSLIT("Main") -- The package name if none is specified -opt_EmitCExternDecls = lookUp SLIT("-femit-extern-decls") -opt_EnsureSplittableC = lookUp SLIT("-fglobalise-toplev-names") -opt_GranMacros = lookUp SLIT("-fgransim") -opt_HiVersion = lookup_def_int "-fhi-version=" 0 -- what version we're compiling. +opt_EmitCExternDecls = lookUp FSLIT("-femit-extern-decls") +opt_EnsureSplittableC = lookUp FSLIT("-fglobalise-toplev-names") +opt_GranMacros = lookUp FSLIT("-fgransim") +opt_HiVersion = read (cProjectVersionInt ++ cProjectPatchLevel) :: Int opt_HistorySize = lookup_def_int "-fhistory-size" 20 -opt_IgnoreAsserts = lookUp SLIT("-fignore-asserts") -opt_IgnoreIfacePragmas = lookUp SLIT("-fignore-interface-pragmas") -opt_NoHiCheck = lookUp SLIT("-fno-hi-version-check") -opt_NoImplicitPrelude = lookUp SLIT("-fno-implicit-prelude") -opt_OmitBlackHoling = lookUp SLIT("-dno-black-holing") -opt_OmitInterfacePragmas = lookUp SLIT("-fomit-interface-pragmas") +opt_IgnoreAsserts = lookUp FSLIT("-fignore-asserts") +opt_IgnoreIfacePragmas = lookUp FSLIT("-fignore-interface-pragmas") +opt_NoHiCheck = lookUp FSLIT("-fno-hi-version-check") +opt_OmitBlackHoling = lookUp FSLIT("-dno-black-holing") +opt_OmitInterfacePragmas = lookUp FSLIT("-fomit-interface-pragmas") +opt_RuntimeTypes = lookUp FSLIT("-fruntime-types") -- Simplifier switches -opt_SimplNoPreInlining = lookUp SLIT("-fno-pre-inlining") +opt_SimplNoPreInlining = lookUp FSLIT("-fno-pre-inlining") -- NoPreInlining is there just to see how bad things -- get if you don't do it! -opt_SimplDoEtaReduction = lookUp SLIT("-fdo-eta-reduction") -opt_SimplDoLambdaEtaExpansion = lookUp SLIT("-fdo-lambda-eta-expansion") -opt_SimplCaseOfCase = lookUp SLIT("-fcase-of-case") -opt_SimplCaseMerge = lookUp SLIT("-fcase-merge") -opt_SimplPedanticBottoms = lookUp SLIT("-fpedantic-bottoms") -opt_SimplExcessPrecision = lookUp SLIT("-fexcess-precision") +opt_SimplDoEtaReduction = lookUp FSLIT("-fdo-eta-reduction") +opt_SimplDoLambdaEtaExpansion = lookUp FSLIT("-fdo-lambda-eta-expansion") +opt_SimplCaseMerge = lookUp FSLIT("-fcase-merge") +opt_SimplExcessPrecision = lookUp FSLIT("-fexcess-precision") -- Unfolding control -opt_UF_HiFileThreshold = lookup_def_int "-funfolding-interface-threshold" (45::Int) opt_UF_CreationThreshold = lookup_def_int "-funfolding-creation-threshold" (45::Int) opt_UF_UseThreshold = lookup_def_int "-funfolding-use-threshold" (8::Int) -- Discounts can be big opt_UF_FunAppDiscount = lookup_def_int "-funfolding-fun-discount" (6::Int) -- It's great to inline a fn opt_UF_KeenessFactor = lookup_def_float "-funfolding-keeness-factor" (1.5::Float) -opt_UF_UpdateInPlace = lookUp SLIT("-funfolding-update-in-place") +opt_UF_UpdateInPlace = lookUp FSLIT("-funfolding-update-in-place") opt_UF_CheapOp = ( 1 :: Int) -- Only one instruction; and the args are charged for opt_UF_DearOp = ( 4 :: Int) -opt_ReportCompile = lookUp SLIT("-freport-compile") -opt_NoPruneDecls = lookUp SLIT("-fno-prune-decls") -opt_NoPruneTyDecls = lookUp SLIT("-fno-prune-tydecls") -opt_Static = lookUp SLIT("-static") -opt_Unregisterised = lookUp SLIT("-funregisterised") -opt_Verbose = lookUp SLIT("-v") - -opt_UseVanillaRegs | opt_Unregisterised = 0 - | otherwise = mAX_Real_Vanilla_REG -opt_UseFloatRegs | opt_Unregisterised = 0 - | otherwise = mAX_Real_Float_REG -opt_UseDoubleRegs | opt_Unregisterised = 0 - | otherwise = mAX_Real_Double_REG -opt_UseLongRegs | opt_Unregisterised = 0 - | otherwise = mAX_Real_Long_REG +opt_NoPruneDecls = lookUp FSLIT("-fno-prune-decls") +opt_Static = lookUp FSLIT("-static") +opt_Unregisterised = lookUp FSLIT("-funregisterised") +opt_EmitExternalCore = lookUp FSLIT("-fext-core") \end{code} %************************************************************************ @@ -561,194 +647,68 @@ opt_UseLongRegs | opt_Unregisterised = 0 %************************************************************************ \begin{code} -isStaticHscFlag f = +isStaticHscFlag f = f `elem` [ - "-fwarn-duplicate-exports", - "-fwarn-hi-shadowing", - "-fwarn-incomplete-patterns", - "-fwarn-missing-fields", - "-fwarn-missing-methods", - "-fwarn-missing-signatures", - "-fwarn-name-shadowing", - "-fwarn-overlapping-patterns", - "-fwarn-simple-patterns", - "-fwarn-type-defaults", - "-fwarn-unused-binds", - "-fwarn-unused-imports", - "-fwarn-unused-matches", - "-fwarn-deprecations", - "-fauto-sccs-on-all-toplevs", - "-fauto-sccs-on-exported-toplevs", - "-fauto-sccs-on-individual-cafs", - "-fauto-sccs-on-dicts", - "-fscc-profiling", - "-fticky-ticky", - "-fall-strict", - "-fdicts-strict", - "-fgenerics", - "-firrefutable-tuples", - "-fnumbers-strict", - "-fparallel", - "-fsmp", - "-fsemi-tagging", - "-ffoldr-build-on", - "-flet-no-escape", - "-funfold-casms-in-hi-file", - "-fusagesp-on", - "-funbox-strict-fields", - "-femit-extern-decls", - "-fglobalise-toplev-names", - "-fgransim", - "-fignore-asserts", - "-fignore-interface-pragmas", - "-fno-hi-version-check", - "-fno-implicit-prelude", - "-dno-black-holing", - "-fomit-interface-pragmas", - "-fno-pre-inlining", - "-fdo-eta-reduction", - "-fdo-lambda-eta-expansion", - "-fcase-of-case", - "-fcase-merge", - "-fpedantic-bottoms", - "-fexcess-precision", - "-funfolding-update-in-place", - "-freport-compile", - "-fno-prune-decls", - "-fno-prune-tydecls", - "-static", - "-funregisterised", - "-v" ] + "fauto-sccs-on-all-toplevs", + "fauto-sccs-on-exported-toplevs", + "fauto-sccs-on-individual-cafs", + "fauto-sccs-on-dicts", + "fscc-profiling", + "fticky-ticky", + "fall-strict", + "fdicts-strict", + "firrefutable-tuples", + "fnumbers-strict", + "fparallel", + "fsmp", + "fflatten", + "fsemi-tagging", + "flet-no-escape", + "funfold-casms-in-hi-file", + "funbox-strict-fields", + "femit-extern-decls", + "fglobalise-toplev-names", + "fgransim", + "fignore-asserts", + "fignore-interface-pragmas", + "fno-hi-version-check", + "dno-black-holing", + "fno-method-sharing", + "fomit-interface-pragmas", + "fruntime-types", + "fno-pre-inlining", + "fdo-eta-reduction", + "fdo-lambda-eta-expansion", + "fcase-merge", + "fexcess-precision", + "funfolding-update-in-place", + "fno-prune-decls", + "static", + "funregisterised", + "fext-core", + "frule-check", + "frules-off", + "fcpr-off" + ] || any (flip prefixMatch f) [ - "-fcontext-stack", - "-fliberate-case-threshold", - "-fhi-version=", - "-fhistory-size", - "-funfolding-interface-threshold", - "-funfolding-creation-threshold", - "-funfolding-use-threshold", - "-funfolding-fun-discount", - "-funfolding-keeness-factor" + "fcontext-stack", + "fliberate-case-threshold", + "fmax-worker-args", + "fhistory-size", + "funfolding-creation-threshold", + "funfolding-use-threshold", + "funfolding-fun-discount", + "funfolding-keeness-factor" ] \end{code} %************************************************************************ %* * -\subsection{Switch ordering} -%* * -%************************************************************************ - -These things behave just like enumeration types. - -\begin{code} -instance Eq SimplifierSwitch where - a == b = tagOf_SimplSwitch a ==# tagOf_SimplSwitch b - -instance Ord SimplifierSwitch where - a < b = tagOf_SimplSwitch a <# tagOf_SimplSwitch b - a <= b = tagOf_SimplSwitch a <=# tagOf_SimplSwitch b - - -tagOf_SimplSwitch (SimplInlinePhase _) = _ILIT(1) -tagOf_SimplSwitch (MaxSimplifierIterations _) = _ILIT(2) -tagOf_SimplSwitch DontApplyRules = _ILIT(3) -tagOf_SimplSwitch SimplLetToCase = _ILIT(4) -tagOf_SimplSwitch NoCaseOfCase = _ILIT(5) - --- If you add anything here, be sure to change lAST_SIMPL_SWITCH_TAG, too! - -lAST_SIMPL_SWITCH_TAG = 5 -\end{code} - -%************************************************************************ -%* * -\subsection{Switch lookup} -%* * -%************************************************************************ - -\begin{code} -isAmongSimpl :: [SimplifierSwitch] -> SimplifierSwitch -> SwitchResult -isAmongSimpl on_switches -- Switches mentioned later occur *earlier* - -- in the list; defaults right at the end. - = let - tidied_on_switches = foldl rm_dups [] on_switches - -- The fold*l* ensures that we keep the latest switches; - -- ie the ones that occur earliest in the list. - - sw_tbl :: Array Int SwitchResult - sw_tbl = (array (0, lAST_SIMPL_SWITCH_TAG) -- bounds... - all_undefined) - // defined_elems - - all_undefined = [ (i, SwBool False) | i <- [0 .. lAST_SIMPL_SWITCH_TAG ] ] - - defined_elems = map mk_assoc_elem tidied_on_switches - in - -- (avoid some unboxing, bounds checking, and other horrible things:) -#if __GLASGOW_HASKELL__ < 405 - case sw_tbl of { Array bounds_who_needs_'em stuff -> -#else - case sw_tbl of { Array _ _ stuff -> -#endif - \ switch -> - case (indexArray# stuff (tagOf_SimplSwitch switch)) of -#if __GLASGOW_HASKELL__ < 400 - Lift v -> v -#elif __GLASGOW_HASKELL__ < 403 - (# _, v #) -> v -#else - (# v #) -> v -#endif - } - where - mk_assoc_elem k@(MaxSimplifierIterations lvl) - = (iBox (tagOf_SimplSwitch k), SwInt lvl) - mk_assoc_elem k@(SimplInlinePhase n) - = (iBox (tagOf_SimplSwitch k), SwInt n) - mk_assoc_elem k - = (iBox (tagOf_SimplSwitch k), SwBool True) -- I'm here, Mom! - - -- cannot have duplicates if we are going to use the array thing - rm_dups switches_so_far switch - = if switch `is_elem` switches_so_far - then switches_so_far - else switch : switches_so_far - where - sw `is_elem` [] = False - sw `is_elem` (s:ss) = (tagOf_SimplSwitch sw) ==# (tagOf_SimplSwitch s) - || sw `is_elem` ss -\end{code} - -Default settings for simplifier switches - -\begin{code} -defaultSimplSwitches = [MaxSimplifierIterations 1] -\end{code} - -%************************************************************************ -%* * \subsection{Misc functions for command-line options} %* * %************************************************************************ -\begin{code} -switchIsOn :: (switch -> SwitchResult) -> switch -> Bool - -switchIsOn lookup_fn switch - = case (lookup_fn switch) of - SwBool False -> False - _ -> True - -intSwitchSet :: (switch -> SwitchResult) - -> (Int -> switch) - -> Maybe Int - -intSwitchSet lookup_fn switch - = case (lookup_fn (switch (panic "intSwitchSet"))) of - SwInt int -> Just int - _ -> Nothing -\end{code} \begin{code} startsWith :: String -> String -> Maybe String