-%
+
% (c) The University of Glasgow, 1996-2000
%
\section[CmdLineOpts]{Things to do with command-line options}
\begin{code}
module CmdLineOpts (
- CoreToDo(..),
- SimplifierSwitch(..), isAmongSimpl,
- StgToDo(..),
- SwitchResult(..),
+ CoreToDo(..), StgToDo(..),
+ SimplifierSwitch(..),
+ SimplifierMode(..), FloatOutSwitches(..),
HscLang(..),
DynFlag(..), -- needed non-abstractly by DriverFlags
DynFlags(..),
- defaultDynFlags,
v_Static_hsc_opts,
- intSwitchSet,
- switchIsOn,
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,
- dopt,
-
- -- other dynamic flags
- dopt_CoreToDo,
- dopt_StgToDo,
- dopt_HscLang,
- dopt_OutName,
-
-- profiling opts
opt_AutoSccsOnAllToplevs,
opt_AutoSccsOnExportedToplevs,
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_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,
opt_NoPruneTyDecls,
opt_NoPruneDecls,
opt_Static,
- opt_Unregisterised
+ opt_Unregisterised,
+ opt_EmitExternalCore
) where
#include "HsVersions.h"
-import Array ( array, (//) )
-import GlaExts
-import IOExts ( IORef, readIORef )
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}
%************************************************************************
%************************************************************************
\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}
%************************************************************************
| 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_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_minimal_imports
| Opt_DoCoreLinting
| Opt_DoStgLinting
- | Opt_DoUSPLinting
+ | Opt_WarnIsError -- -Werror; makes warnings fatal
| Opt_WarnDuplicateExports
| Opt_WarnHiShadows
| Opt_WarnIncompletePatterns
| 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
- -- 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
- verbosity :: Int, -- verbosity level
- 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?
+ 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
+
+ -- hsc dynamic flags
+ flags :: [DynFlag]
}
+data HscLang
+ = HscC
+ | HscAsm
+ | HscJava
+ | 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 = HscC, hscOutName = "",
- verbosity = 0, flags = []
+ 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
}
{-
dopt_OutName :: DynFlags -> String
dopt_OutName = hscOutName
-data HscLang
- = HscC
- | HscAsm
- | HscJava
- | HscInterpreted
- deriving (Eq, Show)
-
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}
%************************************************************************
-- main/DriverState.
GLOBAL_VAR(v_Static_hsc_opts, [], [String])
-lookUp :: FAST_STRING -> Bool
+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
unpacked_static_opts = unsafePerformIO (readIORef v_Static_hsc_opts)
-packed_static_opts = map _PK_ unpacked_static_opts
+packed_static_opts = map mkFastString unpacked_static_opts
lookUp sw = sw `elem` packed_static_opts
unpacked_opts =
concat $
map (expandAts) $
- map _UNPK_ argv -- NOT ARGV any more: v_Static_hsc_opts
+ map unpackFS argv -- NOT ARGV any more: v_Static_hsc_opts
where
expandAts ('@':fname) = words (unsafePerformIO (readFile fname))
expandAts l = [l]
\begin{code}
-- debugging opts
-opt_PprStyle_NoPrags = lookUp SLIT("-dppr-noprags")
-opt_PprStyle_Debug = lookUp SLIT("-dppr-debug")
-opt_PprStyle_RawTypes = lookUp SLIT("-dppr-rawtypes")
+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
-- 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_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_FoldrBuildOn = lookUp FSLIT("-ffoldr-build-on")
+opt_CprOff = lookUp FSLIT("-fcpr-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
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 = read cProjectVersionInt :: Int
+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_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_NoPruneDecls = lookUp SLIT("-fno-prune-decls")
-opt_NoPruneTyDecls = lookUp SLIT("-fno-prune-tydecls")
-opt_Static = lookUp SLIT("-static")
-opt_Unregisterised = lookUp SLIT("-funregisterised")
+opt_NoPruneDecls = lookUp FSLIT("-fno-prune-decls")
+opt_NoPruneTyDecls = lookUp FSLIT("-fno-prune-tydecls")
+opt_Static = lookUp FSLIT("-static")
+opt_Unregisterised = lookUp FSLIT("-funregisterised")
+opt_EmitExternalCore = lookUp FSLIT("-fext-core")
\end{code}
%************************************************************************
"fnumbers-strict",
"fparallel",
"fsmp",
+ "fflatten",
"fsemi-tagging",
"ffoldr-build-on",
"flet-no-escape",
"funfold-casms-in-hi-file",
- "fusagesp-on",
"funbox-strict-fields",
"femit-extern-decls",
"fglobalise-toplev-names",
"fignore-asserts",
"fignore-interface-pragmas",
"fno-hi-version-check",
- "fno-implicit-prelude",
"dno-black-holing",
+ "fno-method-sharing",
"fomit-interface-pragmas",
+ "fruntime-types",
"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"
+ "funregisterised",
+ "fext-core",
+ "frule-check",
+ "fcpr-off"
]
|| any (flip prefixMatch f) [
"fcontext-stack",
"fliberate-case-threshold",
+ "fmax-worker-args",
"fhistory-size",
- "funfolding-interface-threshold",
"funfolding-creation-threshold",
"funfolding-use-threshold",
"funfolding-fun-discount",
%************************************************************************
%* *
-\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}
-
-
-%************************************************************************
-%* *
\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
projects / ghc-hetmet.git / blobdiff