X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FCmdLineOpts.lhs;h=9a617e1af5f5ec52a601efbb0776e4c8d3013f3f;hb=110a35dc422a67e79baf1e101a19284dc7168908;hp=ab255397dd69f6ded5fef825a73452ec043615b8;hpb=d893f3809b61eca1b7a45f3eb63d39b25f757c40;p=ghc-hetmet.git diff --git a/ghc/compiler/main/CmdLineOpts.lhs b/ghc/compiler/main/CmdLineOpts.lhs index ab25539..9a617e1 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} @@ -10,26 +10,46 @@ module CmdLineOpts ( SimplifierSwitch(..), isAmongSimpl, StgToDo(..), SwitchResult(..), + HscLang(..), DynFlag(..), -- needed non-abstractly by DriverFlags DynFlags(..), + v_Static_hsc_opts, + intSwitchSet, switchIsOn, isStaticHscFlag, + -- Manipulating DynFlags + defaultDynFlags, -- DynFlags + 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 + + -- 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, - dopt, - - -- other dynamic flags - dopt_CoreToDo, - dopt_StgToDo, - dopt_HscLang, - dopt_OutName, - -- profiling opts opt_AutoSccsOnAllToplevs, opt_AutoSccsOnExportedToplevs, @@ -46,8 +66,11 @@ module CmdLineOpts ( opt_NumbersStrict, opt_Parallel, opt_SMP, + opt_NoMonomorphismRestriction, + opt_RuntimeTypes, -- optimisation opts + opt_NoMethodSharing, opt_DoSemiTagging, opt_FoldrBuildOn, opt_LiberateCaseThreshold, @@ -58,13 +81,11 @@ module CmdLineOpts ( 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, @@ -83,24 +104,24 @@ module CmdLineOpts ( opt_IgnoreAsserts, opt_IgnoreIfacePragmas, opt_NoHiCheck, - opt_NoImplicitPrelude, opt_OmitBlackHoling, opt_OmitInterfacePragmas, opt_NoPruneTyDecls, opt_NoPruneDecls, opt_Static, opt_Unregisterised, - opt_Verbose + opt_EmitExternalCore ) where #include "HsVersions.h" import Array ( array, (//) ) import GlaExts -import Argv +import IOExts ( IORef, readIORef, writeIORef ) import Constants -- Default values for some flags import Util import FastTypes +import Config import Maybes ( firstJust ) import Panic ( panic ) @@ -175,6 +196,7 @@ data CoreToDo -- These are diff core-to-core passes, | CoreDoStrictness | CoreDoWorkerWrapper | CoreDoSpecialising + | CoreDoSpecConstr | CoreDoUSPInf | CoreDoCPResult | CoreDoGlomBinds @@ -185,9 +207,7 @@ data CoreToDo -- These are diff core-to-core passes, \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 @@ -212,9 +232,7 @@ 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 @@ -229,6 +247,7 @@ data DynFlag | Opt_D_dump_simpl | Opt_D_dump_simpl_iterations | Opt_D_dump_spec + | Opt_D_dump_sat | Opt_D_dump_stg | Opt_D_dump_stranal | Opt_D_dump_tc @@ -237,14 +256,16 @@ data DynFlag | 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_BCOs | 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 @@ -265,25 +286,78 @@ data DynFlag | Opt_WarnUnusedImports | Opt_WarnUnusedMatches | Opt_WarnDeprecations + | Opt_WarnMisc -- language opts | Opt_AllowOverlappingInstances | Opt_AllowUndecidableInstances | Opt_GlasgowExts | Opt_Generics + | Opt_NoImplicitPrelude - -- misc - | Opt_ReportCompile deriving (Eq) data DynFlags = DynFlags { - coreToDo :: [CoreToDo], - stgToDo :: [StgToDo], - hscLang :: HscLang, - hscOutName :: String, -- name of the file in which to place output - flags :: [DynFlag] + 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? + stolen_x86_regs :: Int, + cmdlineHcIncludes :: [String], -- -#includes + + -- options for particular phases + opt_L :: [String], + opt_P :: [String], + opt_c :: [String], + opt_a :: [String], + opt_m :: [String], + + -- hsc dynamic flags + flags :: [DynFlag] } +data HscLang + = HscC + | HscAsm + | HscJava + | HscILX + | HscInterpreted + deriving (Eq, Show) + +defaultDynFlags = DynFlags { + coreToDo = [], stgToDo = [], + hscLang = HscC, + hscOutName = "", + hscStubHOutName = "", hscStubCOutName = "", + extCoreName = "", + verbosity = 0, + cppFlag = False, + stolen_x86_regs = 4, + cmdlineHcIncludes = [], + opt_L = [], + opt_P = [], + opt_c = [], + opt_a = [], + opt_m = [], + flags = standardWarnings, + } + +{- + 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) @@ -296,15 +370,92 @@ dopt_StgToDo = stgToDo dopt_OutName :: DynFlags -> String dopt_OutName = hscOutName -data HscLang - = HscC - | HscAsm - | HscJava - | HscInterpreted - deriving Eq - 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) } +\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} %************************************************************************ @@ -314,15 +465,22 @@ dopt_HscLang = hscLang %************************************************************************ \begin{code} +-- v_Statis_hsc_opts is here to avoid a circular dependency with +-- main/DriverState. +GLOBAL_VAR(v_Static_hsc_opts, [], [String]) + lookUp :: FAST_STRING -> 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 _PK_ 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 @@ -332,15 +490,10 @@ 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 @@ -352,7 +505,7 @@ unpacked_opts :: [String] unpacked_opts = concat $ map (expandAts) $ - map _UNPK_ argv + map _UNPK_ argv -- NOT ARGV any more: v_Static_hsc_opts where expandAts ('@':fname) = words (unsafePerformIO (readFile fname)) expandAts l = [l] @@ -369,6 +522,7 @@ unpacked_opts = -- debugging opts opt_PprStyle_NoPrags = lookUp SLIT("-dppr-noprags") opt_PprStyle_Debug = lookUp SLIT("-dppr-debug") +opt_PprStyle_RawTypes = lookUp SLIT("-dppr-rawtypes") opt_PprUserLength = lookup_def_int "-dppr-user-length" 5 --ToDo: give this a name -- profiling opts @@ -381,6 +535,7 @@ opt_DoTickyProfiling = lookUp SLIT("-fticky-ticky") -- language opts opt_AllStrict = lookUp SLIT("-fall-strict") +opt_NoMonomorphismRestriction = lookUp SLIT("-fno-monomorphism-restriction") opt_DictsStrict = lookUp SLIT("-fdicts-strict") opt_IrrefutableTuples = lookUp SLIT("-firrefutable-tuples") opt_MaxContextReductionDepth = lookup_def_int "-fcontext-stack" mAX_CONTEXT_REDUCTION_DEPTH @@ -389,18 +544,20 @@ opt_Parallel = lookUp SLIT("-fparallel") opt_SMP = lookUp SLIT("-fsmp") -- optimisation opts +opt_NoMethodSharing = lookUp SLIT("-fno-method-sharing") opt_DoSemiTagging = lookUp SLIT("-fsemi-tagging") opt_FoldrBuildOn = lookUp SLIT("-ffoldr-build-on") 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_UnfoldCasms = lookUp SLIT("-funfold-casms-in-hi-file") opt_UsageSPOn = lookUp SLIT("-fusagesp-on") opt_UnboxStrictFields = lookUp SLIT("-funbox-strict-fields") +opt_MaxWorkerArgs = lookup_def_int "-fmax-worker-args" (10::Int) {- 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 @@ -409,28 +566,25 @@ opt_InPackage = case lookup_str "-inpackage=" of 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_HiVersion = read cProjectVersionInt :: 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_RuntimeTypes = lookUp SLIT("-fruntime-types") -- Simplifier switches -opt_SimplNoPreInlining = lookUp SLIT("-fno-pre-inlining") +opt_SimplNoPreInlining = lookUp SLIT("-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 SLIT("-fdo-eta-reduction") +opt_SimplDoLambdaEtaExpansion = lookUp SLIT("-fdo-lambda-eta-expansion") +opt_SimplCaseMerge = lookUp SLIT("-fcase-merge") +opt_SimplExcessPrecision = lookUp SLIT("-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 @@ -440,11 +594,11 @@ opt_UF_UpdateInPlace = lookUp SLIT("-funfolding-update-in-place") opt_UF_CheapOp = ( 1 :: Int) -- Only one instruction; and the args are charged for opt_UF_DearOp = ( 4 :: Int) -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_NoPruneDecls = lookUp SLIT("-fno-prune-decls") +opt_NoPruneTyDecls = lookUp SLIT("-fno-prune-tydecls") +opt_Static = lookUp SLIT("-static") +opt_Unregisterised = lookUp SLIT("-funregisterised") +opt_EmitExternalCore = lookUp SLIT("-fext-core") \end{code} %************************************************************************ @@ -456,58 +610,56 @@ opt_Verbose = lookUp SLIT("-v") \begin{code} isStaticHscFlag f = f `elem` [ - "-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", + "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", + "dno-black-holing", + "fno-method-sharing", + "fno-monomorphism-restriction", + "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", + "fno-prune-tydecls", + "static", + "funregisterised", + "fext-core" + ] || 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} @@ -598,11 +750,6 @@ isAmongSimpl on_switches -- Switches mentioned later occur *earlier* || sw `is_elem` ss \end{code} -Default settings for simplifier switches - -\begin{code} -defaultSimplSwitches = [MaxSimplifierIterations 1] -\end{code} %************************************************************************ %* *