DynFlags.hs 66.8 KB
Newer Older
1

2
{-# OPTIONS -fno-warn-missing-fields #-}
3
4
5
6
7
8
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
-- any warnings in the module. See
--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
-- for details

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
-----------------------------------------------------------------------------
--
-- Dynamic flags
--
-- Most flags are dynamic flags, which means they can change from
-- compilation to compilation using OPTIONS_GHC pragmas, and in a
-- multi-session GHC each session can be using different dynamic
-- flags.  Dynamic flags can also be set at the prompt in GHCi.
--
-- (c) The University of Glasgow 2005
--
-----------------------------------------------------------------------------

module DynFlags (
	-- Dynamic flags
	DynFlag(..),
	DynFlags(..),
26
	HscTarget(..), isObjectTarget, defaultObjectTarget,
27
28
29
30
	GhcMode(..), isOneShot,
	GhcLink(..), isNoLink,
	PackageFlag(..),
	Option(..),
31
	DynLibLoader(..),
32
        fFlags, xFlags,
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

	-- Configuration of the core-to-core and stg-to-stg phases
	CoreToDo(..),
	StgToDo(..),
	SimplifierSwitch(..), 
	SimplifierMode(..), FloatOutSwitches(..),
	getCoreToDo, getStgToDo,
	
	-- Manipulating DynFlags
	defaultDynFlags,		-- DynFlags
	initDynFlags,			-- DynFlags -> IO DynFlags

	dopt,				-- DynFlag -> DynFlags -> Bool
	dopt_set, dopt_unset,		-- DynFlags -> DynFlag -> DynFlags
	getOpts,			-- (DynFlags -> [a]) -> IO [a]
	getVerbFlag,
	updOptLevel,
50
	setTmpDir,
51
	setPackageName,
52
53
54
	
	-- parsing DynFlags
	parseDynamicFlags,
55
        allFlags,
56
57

	-- misc stuff
Ian Lynagh's avatar
Ian Lynagh committed
58
59
	machdepCCOpts, picCCOpts,
    supportedLanguages,
60
    compilerInfo,
61
62
63
64
  ) where

#include "HsVersions.h"

65
import Module
Simon Marlow's avatar
Simon Marlow committed
66
import PackageConfig
67
import PrelNames	( mAIN )
Simon Marlow's avatar
Simon Marlow committed
68
69
70
71
#ifdef i386_TARGET_ARCH
import StaticFlags	( opt_Static )
#endif
import StaticFlags	( opt_PIC, WayName(..), v_Ways, v_Build_tag,
72
			  v_RTS_Build_tag )
73
74
75
76
import {-# SOURCE #-} Packages (PackageState)
import DriverPhases	( Phase(..), phaseInputExt )
import Config
import CmdLineParser
77
import Constants	( mAX_CONTEXT_REDUCTION_DEPTH )
78
import Panic		( panic, GhcException(..) )
79
import UniqFM           ( UniqFM )
80
import Util
81
import Maybes		( orElse, fromJust )
82
import SrcLoc           ( SrcSpan )
Simon Marlow's avatar
Simon Marlow committed
83
84
import Outputable
import {-# SOURCE #-} ErrUtils ( Severity(..), Message, mkLocMessage )
85

Simon Marlow's avatar
Simon Marlow committed
86
87
88
import Data.IORef	( readIORef )
import Control.Exception ( throwDyn )
import Control.Monad	( when )
simonpj@microsoft.com's avatar
simonpj@microsoft.com committed
89

90
import Data.Char
Ian Lynagh's avatar
Ian Lynagh committed
91
import System.FilePath
92
93
import System.IO        ( hPutStrLn, stderr )

94
95
96
97
98
99
100
-- -----------------------------------------------------------------------------
-- DynFlags

data DynFlag

   -- debugging flags
   = Opt_D_dump_cmm
101
   | Opt_D_dump_cmmz
102
   | Opt_D_dump_cmmz_pretty
103
   | Opt_D_dump_cps_cmm
104
   | Opt_D_dump_cvt_cmm
105
   | Opt_D_dump_asm
106
107
   | Opt_D_dump_asm_native
   | Opt_D_dump_asm_liveness
108
   | Opt_D_dump_asm_coalesce
109
110
111
   | Opt_D_dump_asm_regalloc
   | Opt_D_dump_asm_regalloc_stages
   | Opt_D_dump_asm_conflicts
112
   | Opt_D_dump_asm_stats
113
114
115
116
117
118
   | Opt_D_dump_cpranal
   | Opt_D_dump_deriv
   | Opt_D_dump_ds
   | Opt_D_dump_flatC
   | Opt_D_dump_foreign
   | Opt_D_dump_inlinings
119
   | Opt_D_dump_rule_firings
120
121
122
123
124
   | Opt_D_dump_occur_anal
   | Opt_D_dump_parsed
   | Opt_D_dump_rn
   | Opt_D_dump_simpl
   | Opt_D_dump_simpl_iterations
125
   | Opt_D_dump_simpl_phases
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
   | 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_cse
   | Opt_D_dump_worker_wrapper
   | Opt_D_dump_rn_trace
   | Opt_D_dump_rn_stats
   | Opt_D_dump_opt_cmm
   | Opt_D_dump_simpl_stats
   | Opt_D_dump_tc_trace
   | Opt_D_dump_if_trace
   | Opt_D_dump_splices
   | Opt_D_dump_BCOs
   | Opt_D_dump_vect
andy@galois.com's avatar
andy@galois.com committed
144
   | Opt_D_dump_hpc
145
146
147
148
149
150
   | 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
151
   | Opt_D_dump_mod_cycles
152
   | Opt_D_dump_view_pattern_commoning
153
   | Opt_D_faststring_stats
154
   | Opt_DumpToFile			-- ^ Append dump output to files instead of stdout.
155
156
157
   | Opt_DoCoreLinting
   | Opt_DoStgLinting
   | Opt_DoCmmLinting
Ben.Lippmeier@anu.edu.au's avatar
Ben.Lippmeier@anu.edu.au committed
158
   | Opt_DoAsmLinting
159

160
   | Opt_WarnIsError			-- -Werror; makes warnings fatal
161
162
   | Opt_WarnDuplicateExports
   | Opt_WarnHiShadows
163
   | Opt_WarnImplicitPrelude
164
165
166
167
168
169
170
171
172
   | Opt_WarnIncompletePatterns
   | Opt_WarnIncompletePatternsRecUpd
   | Opt_WarnMissingFields
   | Opt_WarnMissingMethods
   | Opt_WarnMissingSigs
   | Opt_WarnNameShadowing
   | Opt_WarnOverlappingPatterns
   | Opt_WarnSimplePatterns
   | Opt_WarnTypeDefaults
173
   | Opt_WarnMonomorphism
174
175
176
177
178
179
   | Opt_WarnUnusedBinds
   | Opt_WarnUnusedImports
   | Opt_WarnUnusedMatches
   | Opt_WarnDeprecations
   | Opt_WarnDodgyImports
   | Opt_WarnOrphans
180
   | Opt_WarnTabs
181
182

   -- language opts
183
184
185
   | Opt_OverlappingInstances
   | Opt_UndecidableInstances
   | Opt_IncoherentInstances
186
   | Opt_MonomorphismRestriction
187
   | Opt_MonoPatBinds
188
   | Opt_ExtendedDefaultRules		-- Use GHC's extended rules for defaulting
189
   | Opt_ForeignFunctionInterface
Ian Lynagh's avatar
Ian Lynagh committed
190
   | Opt_UnliftedFFITypes
191
192
   | Opt_PArr				-- Syntactic support for parallel arrays
   | Opt_Arrows				-- Arrow-notation syntax
193
   | Opt_TemplateHaskell
194
   | Opt_QuasiQuotes
195
196
197
198
   | Opt_ImplicitParams
   | Opt_Generics
   | Opt_ImplicitPrelude 
   | Opt_ScopedTypeVariables
Ian Lynagh's avatar
Ian Lynagh committed
199
   | Opt_UnboxedTuples
simonpj@microsoft.com's avatar
simonpj@microsoft.com committed
200
   | Opt_BangPatterns
201
   | Opt_TypeFamilies
202
   | Opt_OverloadedStrings
203
   | Opt_DisambiguateRecordFields
204
   | Opt_RecordWildCards
205
   | Opt_RecordPuns
206
   | Opt_ViewPatterns
207
   | Opt_GADTs
208
   | Opt_RelaxedPolyRec
209
   | Opt_StandaloneDeriving
210
   | Opt_DeriveDataTypeable
211
   | Opt_TypeSynonymInstances
Ian Lynagh's avatar
Ian Lynagh committed
212
   | Opt_FlexibleContexts
213
   | Opt_FlexibleInstances
214
   | Opt_ConstrainedClassMethods
Ian Lynagh's avatar
Ian Lynagh committed
215
   | Opt_MultiParamTypeClasses
216
   | Opt_FunctionalDependencies
Ian Lynagh's avatar
Ian Lynagh committed
217
   | Opt_UnicodeSyntax
Ian Lynagh's avatar
Ian Lynagh committed
218
   | Opt_PolymorphicComponents
219
   | Opt_ExistentialQuantification
220
   | Opt_MagicHash
Ian Lynagh's avatar
Ian Lynagh committed
221
   | Opt_EmptyDataDecls
Ian Lynagh's avatar
Ian Lynagh committed
222
   | Opt_KindSignatures
Ian Lynagh's avatar
Ian Lynagh committed
223
   | Opt_PatternSignatures
Ian Lynagh's avatar
Ian Lynagh committed
224
   | Opt_ParallelListComp
225
   | Opt_TransformListComp
226
   | Opt_GeneralizedNewtypeDeriving
Ian Lynagh's avatar
Ian Lynagh committed
227
   | Opt_RecursiveDo
Ian Lynagh's avatar
Ian Lynagh committed
228
   | Opt_PatternGuards
229
   | Opt_LiberalTypeSynonyms
230
231
   | Opt_Rank2Types
   | Opt_RankNTypes
232
   | Opt_ImpredicativeTypes
Ian Lynagh's avatar
Ian Lynagh committed
233
   | Opt_TypeOperators
234

235
236
   | Opt_PrintExplicitForalls

237
238
239
   -- optimisation opts
   | Opt_Strictness
   | Opt_FullLaziness
240
   | Opt_StaticArgumentTransformation
241
   | Opt_CSE
242
243
   | Opt_LiberateCase
   | Opt_SpecConstr
244
245
246
247
248
249
250
   | Opt_IgnoreInterfacePragmas
   | Opt_OmitInterfacePragmas
   | Opt_DoLambdaEtaExpansion
   | Opt_IgnoreAsserts
   | Opt_DoEtaReduction
   | Opt_CaseMerge
   | Opt_UnboxStrictFields
251
   | Opt_MethodSharing
252
   | Opt_DictsCheap
253
   | Opt_RewriteRules
rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
254
   | Opt_Vectorise
255
256
   | Opt_RegsGraph			-- do graph coloring register allocation
   | Opt_RegsIterative			-- do iterative coalescing graph coloring register allocation
257
258
259
260

   -- misc opts
   | Opt_Cpp
   | Opt_Pp
261
   | Opt_ForceRecomp
262
263
264
265
266
267
268
   | Opt_DryRun
   | Opt_DoAsmMangling
   | Opt_ExcessPrecision
   | Opt_ReadUserPackageConf
   | Opt_NoHsMain
   | Opt_SplitObjs
   | Opt_StgStats
269
   | Opt_HideAllPackages
270
   | Opt_PrintBindResult
271
   | Opt_Haddock
David Waern's avatar
David Waern committed
272
   | Opt_HaddockOptions
273
   | Opt_Hpc_No_Auto
274
   | Opt_BreakOnException
275
   | Opt_BreakOnError
276
   | Opt_PrintEvldWithShow
277
   | Opt_PrintBindContents
278
279
   | Opt_GenManifest
   | Opt_EmbedManifest
280
281
   | Opt_RunCPSZ
   | Opt_ConvertToZipCfgAndBack
282
283
284
285
286
287
288
289

   -- keeping stuff
   | Opt_KeepHiDiffs
   | Opt_KeepHcFiles
   | Opt_KeepSFiles
   | Opt_KeepRawSFiles
   | Opt_KeepTmpFiles

290
   deriving (Eq, Show)
291
 
292
293
294
295
296
297
298
299
300
301
data DynFlags = DynFlags {
  ghcMode		:: GhcMode,
  ghcLink		:: GhcLink,
  coreToDo   		:: Maybe [CoreToDo], -- reserved for -Ofile
  stgToDo    		:: Maybe [StgToDo],  -- similarly
  hscTarget    		:: HscTarget,
  hscOutName 		:: String,  	-- name of the output file
  extCoreName		:: String,	-- name of the .core output file
  verbosity  		:: Int,	 	-- verbosity level
  optLevel		:: Int,		-- optimisation level
302
  simplPhases           :: Int,         -- number of simplifier phases
303
  maxSimplIterations    :: Int,		-- max simplifier iterations
304
  shouldDumpSimplPhase  :: SimplifierMode -> Bool,
305
  ruleCheck		:: Maybe String,
306

307
  specConstrThreshold   :: Maybe Int,	-- Threshold for SpecConstr
308
  specConstrCount	:: Maybe Int,	-- Max number of specialisations for any one function
309
  liberateCaseThreshold :: Maybe Int,   -- Threshold for LiberateCase 
310

311
312
313
  stolen_x86_regs	:: Int,		
  cmdlineHcIncludes	:: [String],	-- -#includes
  importPaths		:: [FilePath],
314
  mainModIs		:: Module,
315
  mainFunIs		:: Maybe String,
316
317
  ctxtStkDepth	        :: Int,		-- Typechecker context stack depth

Simon Marlow's avatar
Simon Marlow committed
318
  thisPackage		:: PackageId,
319
320
321
322
323
324
325

  -- ways
  wayNames		:: [WayName],	-- way flags from the cmd line
  buildTag		:: String,	-- the global "way" (eg. "p" for prof)
  rtsBuildTag		:: String,	-- the RTS "way"
  
  -- paths etc.
326
327
328
329
  objectDir		:: Maybe String,
  hiDir			:: Maybe String,
  stubDir		:: Maybe String,

330
331
332
  objectSuf		:: String,
  hcSuf			:: String,
  hiSuf			:: String,
333
334
335

  outputFile		:: Maybe String,
  outputHi		:: Maybe String,
336
  dynLibLoader		:: DynLibLoader,
337

338
339
340
341
342
343
344
345
  -- | This is set by DriverPipeline.runPipeline based on where
  --	its output is going.
  dumpPrefix		:: Maybe FilePath,

  -- | Override the dumpPrefix set by runPipeline.
  --	Set by -ddump-file-prefix
  dumpPrefixForce	:: Maybe FilePath,

346
347
348
349
  includePaths		:: [String],
  libraryPaths		:: [String],
  frameworkPaths	:: [String],  	-- used on darwin only
  cmdlineFrameworks	:: [String],	-- ditto
350
  tmpDir		:: String,	-- no trailing '/'
351
  
352
353
354
  ghcUsagePath          :: FilePath,    -- Filled in by SysTools
  ghciUsagePath         :: FilePath,    -- ditto

andy@galois.com's avatar
andy@galois.com committed
355
356
  hpcDir		:: String,	-- ^ path to store the .mix files

357
358
359
360
361
362
363
364
365
  -- options for particular phases
  opt_L			:: [String],
  opt_P			:: [String],
  opt_F			:: [String],
  opt_c			:: [String],
  opt_m			:: [String],
  opt_a			:: [String],
  opt_l			:: [String],
  opt_dep		:: [String],
366
  opt_windres		:: [String],
367
368
369
370
371
372
373
374
375
376
377

  -- commands for particular phases
  pgm_L			:: String,
  pgm_P			:: (String,[Option]),
  pgm_F			:: String,
  pgm_c			:: (String,[Option]),
  pgm_m			:: (String,[Option]),
  pgm_s			:: (String,[Option]),
  pgm_a			:: (String,[Option]),
  pgm_l			:: (String,[Option]),
  pgm_dll		:: (String,[Option]),
378
379
  pgm_T                 :: String,
  pgm_sysman            :: String,
380
  pgm_windres           :: String,
381

382
  --  Package flags
383
  extraPkgConfs		:: [FilePath],
384
385
  topDir                :: FilePath,    -- filled in by SysTools
  systemPackageConfig   :: FilePath,    -- ditto
386
387
388
389
390
391
	-- The -package-conf flags given on the command line, in the order
	-- they appeared.

  packageFlags		:: [PackageFlag],
	-- The -package and -hide-package flags from the command-line

392
393
394
  -- Package state
  -- NB. do not modify this field, it is calculated by 
  -- Packages.initPackages and Packages.updatePackages.
395
  pkgDatabase           :: Maybe (UniqFM PackageConfig),
396
397
398
  pkgState		:: PackageState,

  -- hsc dynamic flags
399
400
401
  flags      		:: [DynFlag],
  
  -- message output
David Waern's avatar
David Waern committed
402
403
404
  log_action            :: Severity -> SrcSpan -> PprStyle -> Message -> IO (),

  haddockOptions :: Maybe String
405
406
407
408
409
410
411
412
413
414
 }

data HscTarget
  = HscC
  | HscAsm
  | HscJava
  | HscInterpreted
  | HscNothing
  deriving (Eq, Show)

415
416
417
418
419
420
421
422
423
424
425
426
-- | will this target result in an object file on the disk?
isObjectTarget :: HscTarget -> Bool
isObjectTarget HscC     = True
isObjectTarget HscAsm   = True
isObjectTarget _        = False

-- | The 'GhcMode' tells us whether we're doing multi-module
-- compilation (controlled via the "GHC" API) or one-shot
-- (single-module) compilation.  This makes a difference primarily to
-- the "Finder": in one-shot mode we look for interface files for
-- imported modules, but in multi-module mode we look for source files
-- in order to check whether they need to be recompiled.
427
data GhcMode
428
429
430
  = CompManager         -- ^ --make, GHCi, etc.
  | OneShot		-- ^ ghc -c Foo.hs
  | MkDepend            -- ^ ghc -M, see Finder for why we need this
431
432
433
434
435
436
  deriving Eq

isOneShot :: GhcMode -> Bool
isOneShot OneShot = True
isOneShot _other  = False

437
-- | What kind of linking to do.
438
data GhcLink	-- What to do in the link step, if there is one
439
440
441
  = NoLink		-- Don't link at all
  | LinkBinary		-- Link object code into a binary
  | LinkInMemory        -- Use the in-memory dynamic linker
442
  | LinkDynLib		-- Link objects into a dynamic lib (DLL on Windows, DSO on ELF platforms)
443
  deriving (Eq, Show)
444
445
446

isNoLink :: GhcLink -> Bool
isNoLink NoLink = True
twanvl's avatar
twanvl committed
447
isNoLink _      = False
448
449
450
451
452

data PackageFlag
  = ExposePackage  String
  | HidePackage    String
  | IgnorePackage  String
453
  deriving Eq
454

twanvl's avatar
twanvl committed
455
defaultHscTarget :: HscTarget
456
457
458
459
defaultHscTarget = defaultObjectTarget

-- | the 'HscTarget' value corresponding to the default way to create
-- object files on the current platform.
twanvl's avatar
twanvl committed
460
defaultObjectTarget :: HscTarget
461
defaultObjectTarget
462
463
464
  | cGhcWithNativeCodeGen == "YES" 	=  HscAsm
  | otherwise				=  HscC

465
466
467
468
469
470
data DynLibLoader
  = Deployable
  | Wrapped (Maybe String)
  | SystemDependent
  deriving Eq

twanvl's avatar
twanvl committed
471
initDynFlags :: DynFlags -> IO DynFlags
472
473
474
475
476
477
478
479
480
481
482
initDynFlags dflags = do
 -- someday these will be dynamic flags
 ways <- readIORef v_Ways
 build_tag <- readIORef v_Build_tag
 rts_build_tag <- readIORef v_RTS_Build_tag
 return dflags{
	wayNames	= ways,
	buildTag	= build_tag,
	rtsBuildTag	= rts_build_tag
	}

twanvl's avatar
twanvl committed
483
defaultDynFlags :: DynFlags
484
485
defaultDynFlags =
     DynFlags {
486
487
	ghcMode			= CompManager,
	ghcLink			= LinkBinary,
488
489
490
491
492
493
494
	coreToDo 		= Nothing,
	stgToDo			= Nothing, 
	hscTarget		= defaultHscTarget, 
	hscOutName		= "", 
	extCoreName		= "",
	verbosity		= 0, 
	optLevel		= 0,
495
        simplPhases             = 2,
496
	maxSimplIterations	= 4,
497
        shouldDumpSimplPhase    = const False,
498
	ruleCheck		= Nothing,
499
	specConstrThreshold	= Just 200,
500
	specConstrCount		= Just 3,
501
        liberateCaseThreshold   = Just 200,
502
503
504
	stolen_x86_regs		= 4,
	cmdlineHcIncludes	= [],
	importPaths		= ["."],
505
	mainModIs		= mAIN,
506
	mainFunIs		= Nothing,
507
508
	ctxtStkDepth		= mAX_CONTEXT_REDUCTION_DEPTH,

Simon Marlow's avatar
Simon Marlow committed
509
	thisPackage		= mainPackageId,
510

511
512
513
514
	objectDir		= Nothing,
	hiDir			= Nothing,
	stubDir			= Nothing,

515
516
517
	objectSuf		= phaseInputExt StopLn,
	hcSuf			= phaseInputExt HCc,
	hiSuf			= "hi",
518
519
520

	outputFile		= Nothing,
	outputHi		= Nothing,
521
	dynLibLoader		= Deployable,
522
523
	dumpPrefix		= Nothing,
	dumpPrefixForce		= Nothing,
524
525
526
527
	includePaths		= [],
	libraryPaths		= [],
	frameworkPaths		= [],
	cmdlineFrameworks	= [],
528
	tmpDir			= cDEFAULT_TMPDIR,
529
	
andy@galois.com's avatar
andy@galois.com committed
530
531
        hpcDir		        = ".hpc",

532
	opt_L			= [],
533
534
535
	opt_P			= (if opt_PIC
				   then ["-D__PIC__"]
				   else []),
536
537
538
539
540
541
	opt_F			= [],
	opt_c			= [],
	opt_a			= [],
	opt_m			= [],
	opt_l			= [],
	opt_dep			= [],
542
        opt_windres             = [],
543
544
545
	
	extraPkgConfs		= [],
	packageFlags		= [],
546
547
        pkgDatabase             = Nothing,
        pkgState                = panic "no package state yet: call GHC.setSessionDynFlags",
David Waern's avatar
David Waern committed
548
  haddockOptions = Nothing,
549
550
551
552
553
554
555
556
557
558
        flags = [
            Opt_ReadUserPackageConf,

            Opt_MonoPatBinds,   -- Experimentally, I'm making this non-standard
                                -- behaviour the default, to see if anyone notices
                                -- SLPJ July 06

            Opt_ImplicitPrelude,
            Opt_MonomorphismRestriction,

559
560
            Opt_MethodSharing,

561
562
            Opt_DoAsmMangling,

563
            Opt_GenManifest,
564
565
            Opt_EmbedManifest,
            Opt_PrintBindContents
566
567
568
569
570
            ]
            ++ [f | (ns,f) <- optLevelFlags, 0 `elem` ns]
                    -- The default -O0 options
            ++ standardWarnings,

571
572
573
574
575
        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))
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
      }

{- 
    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_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 -> (DynFlags -> [a]) -> [a]
getOpts dflags opts = reverse (opts dflags)
	-- We add to the options from the front, so we need to reverse the list

getVerbFlag :: DynFlags -> String
getVerbFlag dflags 
  | verbosity dflags >= 3  = "-v" 
  | otherwise =  ""

twanvl's avatar
twanvl committed
607
608
609
610
611
612
613
614
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,
         addCmdlineFramework, addHaddockOpts
   :: String -> DynFlags -> DynFlags
setOutputFile, setOutputHi, setDumpPrefixForce
   :: Maybe String -> DynFlags -> DynFlags

615
616
617
618
619
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.
620

621
622
setObjectSuf  f d = d{ objectSuf  = f}
setHiSuf      f d = d{ hiSuf      = f}
623
624
625
626
setHcSuf      f d = d{ hcSuf      = f}

setOutputFile f d = d{ outputFile = f}
setOutputHi   f d = d{ outputHi   = f}
627

628
629
630
631
632
633
634
635
636
parseDynLibLoaderMode f d =
 case splitAt 8 f of
   ("deploy", "")       -> d{ dynLibLoader = Deployable }
   ("sysdep", "")       -> d{ dynLibLoader = SystemDependent }
   ("wrapped", "")      -> d{ dynLibLoader = Wrapped Nothing }
   ("wrapped:", "hard") -> d{ dynLibLoader = Wrapped Nothing }
   ("wrapped:", flex)   -> d{ dynLibLoader = Wrapped (Just flex) }
   (_,_)                -> error "Unknown dynlib loader"

637
638
setDumpPrefixForce f d = d { dumpPrefixForce = f}

639
640
641
642
643
644
645
646
647
648
649
650
-- XXX HACK: Prelude> words "'does not' work" ===> ["'does","not'","work"]
-- Config.hs should really use Option.
setPgmP   f d = let (pgm:args) = words f in d{ pgm_P   = (pgm, map Option args)}

setPgmL   f d = d{ pgm_L   = f}
setPgmF   f d = d{ pgm_F   = f}
setPgmc   f d = d{ pgm_c   = (f,[])}
setPgmm   f d = d{ pgm_m   = (f,[])}
setPgms   f d = d{ pgm_s   = (f,[])}
setPgma   f d = d{ pgm_a   = (f,[])}
setPgml   f d = d{ pgm_l   = (f,[])}
setPgmdll f d = d{ pgm_dll = (f,[])}
651
setPgmwindres f d = d{ pgm_windres = f}
652
653
654
655
656
657
658
659
660

addOptL   f d = d{ opt_L   = f : opt_L d}
addOptP   f d = d{ opt_P   = f : opt_P d}
addOptF   f d = d{ opt_F   = f : opt_F d}
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}
661
addOptwindres f d = d{ opt_windres = f : opt_windres d}
662
663
664

addCmdlineFramework f d = d{ cmdlineFrameworks = f : cmdlineFrameworks d}

David Waern's avatar
David Waern committed
665
666
addHaddockOpts f d = d{ haddockOptions = Just f}

667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
-- -----------------------------------------------------------------------------
-- Command-line options

-- When invoking external tools as part of the compilation pipeline, we
-- pass these a sequence of options on the command-line. Rather than
-- just using a list of Strings, we use a type that allows us to distinguish
-- between filepaths and 'other stuff'. [The reason being, of course, that
-- this type gives us a handle on transforming filenames, and filenames only,
-- to whatever format they're expected to be on a particular platform.]

data Option
 = FileOption -- an entry that _contains_ filename(s) / filepaths.
              String  -- a non-filepath prefix that shouldn't be 
		      -- transformed (e.g., "/out=")
 	      String  -- the filepath/filename portion
 | Option     String
 
-----------------------------------------------------------------------------
-- Setting the optimisation level

updOptLevel :: Int -> DynFlags -> DynFlags
-- Set dynflags appropriate to the optimisation level
updOptLevel n dfs
690
  = dfs2{ optLevel = final_n }
691
  where
692
   final_n = max 0 (min 2 n)	-- Clamp to 0 <= n <= 2
693
694
695
   dfs1 = foldr (flip dopt_unset) dfs  remove_dopts
   dfs2 = foldr (flip dopt_set)   dfs1 extra_dopts

696
697
   extra_dopts  = [ f | (ns,f) <- optLevelFlags, final_n `elem` ns ]
   remove_dopts = [ f | (ns,f) <- optLevelFlags, final_n `notElem` ns ]
698
	
699
700
701
702
optLevelFlags :: [([Int], DynFlag)]
optLevelFlags
  = [ ([0],	Opt_IgnoreInterfacePragmas)
    , ([0],     Opt_OmitInterfacePragmas)
703

704
    , ([1,2],	Opt_IgnoreAsserts)
705
706
    , ([1,2],	Opt_RewriteRules)	-- Off for -O0; see Note [Scoping for Builtin rules]
					-- 		in PrelRules
707
708
709
710
711
    , ([1,2],	Opt_DoEtaReduction)
    , ([1,2],	Opt_CaseMerge)
    , ([1,2],	Opt_Strictness)
    , ([1,2],	Opt_CSE)
    , ([1,2],	Opt_FullLaziness)
712

713
714
    , ([2],	Opt_LiberateCase)
    , ([2],	Opt_SpecConstr)
715
    , ([2],	Opt_StaticArgumentTransformation)
716
717
718
719
720
721

    , ([0,1,2], Opt_DoLambdaEtaExpansion)
		-- This one is important for a tiresome reason:
		-- we want to make sure that the bindings for data 
		-- constructors are eta-expanded.  This is probably
		-- a good thing anyway, but it seems fragile.
722
723
724
725
726
    ]

-- -----------------------------------------------------------------------------
-- Standard sets of warning options

twanvl's avatar
twanvl committed
727
standardWarnings :: [DynFlag]
728
729
730
731
732
733
734
735
standardWarnings
    = [ Opt_WarnDeprecations,
	Opt_WarnOverlappingPatterns,
	Opt_WarnMissingFields,
	Opt_WarnMissingMethods,
	Opt_WarnDuplicateExports
      ]

twanvl's avatar
twanvl committed
736
minusWOpts :: [DynFlag]
737
738
739
740
741
742
743
744
745
minusWOpts
    = standardWarnings ++ 
      [	Opt_WarnUnusedBinds,
	Opt_WarnUnusedMatches,
	Opt_WarnUnusedImports,
	Opt_WarnIncompletePatterns,
	Opt_WarnDodgyImports
      ]

twanvl's avatar
twanvl committed
746
minusWallOpts :: [DynFlag]
747
748
749
750
751
752
753
754
755
minusWallOpts
    = minusWOpts ++
      [	Opt_WarnTypeDefaults,
	Opt_WarnNameShadowing,
	Opt_WarnMissingSigs,
	Opt_WarnHiShadows,
	Opt_WarnOrphans
      ]

756
-- minuswRemovesOpts should be every warning option
twanvl's avatar
twanvl committed
757
minuswRemovesOpts :: [DynFlag]
758
759
760
761
762
763
764
765
766
minuswRemovesOpts
    = minusWallOpts ++
      [Opt_WarnImplicitPrelude,
       Opt_WarnIncompletePatternsRecUpd,
       Opt_WarnSimplePatterns,
       Opt_WarnMonomorphism,
       Opt_WarnTabs
      ]

767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
-- -----------------------------------------------------------------------------
-- CoreToDo:  abstraction of core-to-core passes to run.

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.
	SimplifierMode
	[SimplifierSwitch]
			-- Each run of the simplifier can take a different
			-- set of simplifier-specific flags.
  | CoreDoFloatInwards
  | CoreDoFloatOutwards FloatOutSwitches
  | CoreLiberateCase
  | CoreDoPrintCore
  | CoreDoStaticArgs
  | CoreDoStrictness
  | CoreDoWorkerWrapper
  | CoreDoSpecialising
  | CoreDoSpecConstr
  | CoreDoOldStrictness
  | CoreDoGlomBinds
  | CoreCSE
  | CoreDoRuleCheck Int{-CompilerPhase-} String	-- Check for non-application of rules 
						-- matching this string
793
  | CoreDoVectorisation
794
795
  | CoreDoNothing 		 -- Useful when building up 
  | CoreDoPasses [CoreToDo] 	 -- lists of these things
796
797
798

data SimplifierMode 		-- See comments in SimplMonad
  = SimplGently
799
  | SimplPhase Int [String]
800
801
802
803
804
805
806
807
808
809
810
811

data SimplifierSwitch
  = MaxSimplifierIterations Int
  | NoCaseOfCase

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


-- The core-to-core pass ordering is derived from the DynFlags:
812
813
runWhen :: Bool -> CoreToDo -> CoreToDo
runWhen True  do_this = do_this
twanvl's avatar
twanvl committed
814
runWhen False _       = CoreDoNothing
815

816
817
818
819
runMaybe :: Maybe a -> (a -> CoreToDo) -> CoreToDo
runMaybe (Just x) f = f x
runMaybe Nothing  _ = CoreDoNothing

820
821
822
823
824
825
getCoreToDo :: DynFlags -> [CoreToDo]
getCoreToDo dflags
  | Just todo <- coreToDo dflags = todo -- set explicitly by user
  | otherwise = core_todo
  where
    opt_level  	  = optLevel dflags
826
    phases        = simplPhases dflags
827
828
829
830
    max_iter   	  = maxSimplIterations dflags
    strictness    = dopt Opt_Strictness dflags
    full_laziness = dopt Opt_FullLaziness dflags
    cse           = dopt Opt_CSE dflags
831
832
    spec_constr   = dopt Opt_SpecConstr dflags
    liberate_case = dopt Opt_LiberateCase dflags
833
    rule_check    = ruleCheck dflags
834
    vectorisation = dopt Opt_Vectorise dflags
Simon Marlow's avatar
Simon Marlow committed
835
    -- static_args   = dopt Opt_StaticArgumentTransformation dflags
836

837
    maybe_rule_check phase = runMaybe rule_check (CoreDoRuleCheck phase)
838

839
840
841
842
843
844
845
    simpl_phase phase names iter
      = CoreDoPasses
          [ CoreDoSimplify (SimplPhase phase names) [
              MaxSimplifierIterations iter
            ],
            maybe_rule_check phase
          ]
846

847
848
849
850
851
852
853
854
855
856
857
                -- By default, we have 2 phases before phase 0.

		-- Want to run with inline phase 2 after the specialiser to give
		-- maximum chance for fusion to work before we inline build/augment
		-- in phase 1.  This made a difference in 'ansi' where an 
		-- overloaded function wasn't inlined till too late.

		-- Need phase 1 so that build/augment get 
		-- inlined.  I found that spectral/hartel/genfft lost some useful
		-- strictness in the function sumcode' if augment is not inlined
		-- before strictness analysis runs
858
    simpl_phases = CoreDoPasses [ simpl_phase phase ["main"] max_iter
859
860
                                  | phase <- [phases, phases-1 .. 1] ]

861
862

	-- initial simplify: mk specialiser happy: minimum effort please
863
    simpl_gently = CoreDoSimplify SimplGently [
864
865
866
867
868
869
870
871
872
873
			-- 	Simplify "gently"
			-- Don't inline anything till full laziness has bitten
			-- In particular, inlining wrappers inhibits floating
			-- e.g. ...(case f x of ...)...
			--  ==> ...(case (case x of I# x# -> fw x#) of ...)...
			--  ==> ...(case x of I# x# -> case fw x# of ...)...
			-- and now the redex (f x) isn't floatable any more
			-- Similarly, don't apply any rules until after full 
			-- laziness.  Notably, list fusion can prevent floating.

simonpj@microsoft.com's avatar
simonpj@microsoft.com committed
874
875
            NoCaseOfCase,	-- Don't do case-of-case transformations.
				-- This makes full laziness work better
876
	    MaxSimplifierIterations max_iter
877
878
	]

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
879
    core_todo =
880
     if opt_level == 0 then
rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
881
882
       [runWhen vectorisation (CoreDoPasses [ simpl_gently, CoreDoVectorisation ]),
        simpl_phase 0 ["final"] max_iter]
883
     else {- opt_level >= 1 -} [ 
884

885
886
887
888
    -- We want to do the static argument transform before full laziness as it
    -- 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
Simon Marlow's avatar
Simon Marlow committed
889
890
	    -- runWhen static_args CoreDoStaticArgs,
            -- XXX disabled, see #2321
891

892
893
	-- initial simplify: mk specialiser happy: minimum effort please
        simpl_gently,
894
895
896

        -- We run vectorisation here for now, but we might also try to run
        -- it later
897
        runWhen vectorisation (CoreDoPasses [ CoreDoVectorisation, simpl_gently ]),
898

899
900
901
902
	-- Specialisation is best done before full laziness
	-- so that overloaded functions have all their dictionary lambdas manifest
	CoreDoSpecialising,

903
	runWhen full_laziness (CoreDoFloatOutwards (FloatOutSw False False)),
904
905
906

	CoreDoFloatInwards,

907
        simpl_phases,
908
909
910
911
912
913
914
915
916
917
918

		-- Phase 0: allow all Ids to be inlined now
		-- This gets foldr inlined before strictness analysis

		-- At least 3 iterations because otherwise we land up with
		-- huge dead expressions because of an infelicity in the 
		-- simpifier.   
		--	let k = BIG in foldr k z xs
		-- ==>  let k = BIG in letrec go = \xs -> ...(k x).... in go xs
		-- ==>  let k = BIG in letrec go = \xs -> ...(BIG x).... in go xs
		-- Don't stop now!
919
	simpl_phase 0 ["main"] (max max_iter 3),
920
921
922


#ifdef OLD_STRICTNESS
923
	CoreDoOldStrictness,
924
#endif
925
926
927
928
	runWhen strictness (CoreDoPasses [
		CoreDoStrictness,
		CoreDoWorkerWrapper,
		CoreDoGlomBinds,
929
                simpl_phase 0 ["post-worker-wrapper"] max_iter
930
                ]),
931
932
933
934

	runWhen full_laziness 
	  (CoreDoFloatOutwards (FloatOutSw False    -- Not lambdas
					   True)),  -- Float constants
935
936
937
938
939
940
941
		-- nofib/spectral/hartel/wang doubles in speed if you
		-- do full laziness late in the day.  It only happens
		-- after fusion and other stuff, so the early pass doesn't
		-- catch it.  For the record, the redex is 
		--	  f_el22 (f_el21 r_midblock)


942
943
944
945
	runWhen cse CoreCSE,
		-- We want CSE to follow the final full-laziness pass, because it may
		-- succeed in commoning up things floated out by full laziness.
		-- CSE used to rely on the no-shadowing invariant, but it doesn't any more
946
947
948

	CoreDoFloatInwards,

949
	maybe_rule_check 0,
950

951
952
953
954
		-- Case-liberation for -O2.  This should be after
		-- strictness analysis and the simplification which follows it.
	runWhen liberate_case (CoreDoPasses [
	    CoreLiberateCase,
955
            simpl_phase 0 ["post-liberate-case"] max_iter
956
            ]),         -- Run the simplifier after LiberateCase to vastly 
957
958
959
			-- reduce the possiblility of shadowing
			-- Reason: see Note [Shadowing] in SpecConstr.lhs

960
	runWhen spec_constr CoreDoSpecConstr,
961

962
        maybe_rule_check 0,
963

964
	-- Final clean-up simplification:
965
        simpl_phase 0 ["final"] max_iter
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
     ]

-- -----------------------------------------------------------------------------
-- StgToDo:  abstraction of stg-to-stg passes to run.

data StgToDo
  = 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

getStgToDo :: DynFlags -> [StgToDo]
getStgToDo dflags
  | Just todo <- stgToDo dflags = todo -- set explicitly by user
  | otherwise = todo2
  where
	stg_stats = dopt Opt_StgStats dflags

	todo1 = if stg_stats then [D_stg_stats] else []

	todo2 | WayProf `elem` wayNames dflags
	      = StgDoMassageForProfiling : todo1
	      | otherwise
	      = todo1

-- -----------------------------------------------------------------------------
-- DynFlags parser

994
995
996
997
allFlags :: [String]
allFlags = map ('-':) $
           [ name | (name, optkind) <- dynamic_flags, ok optkind ] ++
           map ("fno-"++) flags ++
998
999
1000
           map ("f"++) flags ++
           map ("X"++) xs ++
           map ("XNo"++) xs
1001
1002
1003
    where ok (PrefixPred _ _) = False
          ok _ = True
          flags = map fst fFlags
1004
          xs = map fst xFlags
1005

1006
1007
1008
1009
1010
1011
dynamic_flags :: [(String, OptKind DynP)]
dynamic_flags = [
     ( "n"              , NoArg  (setDynFlag Opt_DryRun) )
  ,  ( "cpp"		, NoArg  (setDynFlag Opt_Cpp))
  ,  ( "F"		, NoArg  (setDynFlag Opt_Pp))
  ,  ( "#include"	, HasArg (addCmdlineHCInclude) )
1012
  ,  ( "v"		, OptIntSuffix setVerbosity )
1013

1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
        ------- Specific phases  --------------------------------------------
  ,  ( "pgmL"           , HasArg (upd . setPgmL) )  
  ,  ( "pgmP"           , HasArg (upd . setPgmP) )  
  ,  ( "pgmF"           , HasArg (upd . setPgmF) )  
  ,  ( "pgmc"           , HasArg (upd . setPgmc) )  
  ,  ( "pgmm"           , HasArg (upd . setPgmm) )  
  ,  ( "pgms"           , HasArg (upd . setPgms) )  
  ,  ( "pgma"           , HasArg (upd . setPgma) )  
  ,  ( "pgml"           , HasArg (upd . setPgml) )  
  ,  ( "pgmdll"		, HasArg (upd . setPgmdll) )
1024
  ,  ( "pgmwindres"     , HasArg (upd . setPgmwindres) )
1025
1026
1027
1028

  ,  ( "optL"		, HasArg (upd . addOptL) )  
  ,  ( "optP"		, HasArg (upd . addOptP) )  
  ,  ( "optF"           , HasArg (upd . addOptF) )  
1029
  ,  ( "optc"		, HasArg (upd . addOptc) )  
1030
1031
1032
1033
  ,  ( "optm"		, HasArg (upd . addOptm) )  
  ,  ( "opta"		, HasArg (upd . addOpta) )  
  ,  ( "optl"		, HasArg (upd . addOptl) )  
  ,  ( "optdep"		, HasArg (upd . addOptdep) )
1034
  ,  ( "optwindres"     , HasArg (upd . addOptwindres) )
1035

1036
1037
1038
1039
  ,  ( "split-objs"	, NoArg (if can_split
				    then setDynFlag Opt_SplitObjs
				    else return ()) )

1040
1041
1042
	-------- Linking ----------------------------------------------------
  ,  ( "c"		, NoArg (upd $ \d -> d{ ghcLink=NoLink } ))
  ,  ( "no-link"	, NoArg (upd $ \d -> d{ ghcLink=NoLink } )) -- Dep.
1043
  ,  ( "shared"		, NoArg (upd $ \d -> d{ ghcLink=LinkDynLib } ))
1044
  ,  ( "dynload"	, HasArg (upd . parseDynLibLoaderMode))
1045
1046
1047

	------- Libraries ---------------------------------------------------
  ,  ( "L"		, Prefix addLibraryPath )
1048
  ,  ( "l"		, AnySuffix (\s -> do upd (addOptl s)))
1049
1050
1051
1052
1053
1054
1055

	------- Frameworks --------------------------------------------------
        -- -framework-path should really be -F ...
  ,  ( "framework-path" , HasArg addFrameworkPath )
  ,  ( "framework"	, HasArg (upd . addCmdlineFramework) )

	------- Output Redirection ------------------------------------------
1056
  ,  ( "odir"		, HasArg (upd . setObjectDir))
1057
1058
1059
1060
1061
  ,  ( "o"		, SepArg (upd . setOutputFile . Just))
  ,  ( "ohi"		, HasArg (upd . setOutputHi   . Just ))
  ,  ( "osuf"		, HasArg (upd . setObjectSuf))
  ,  ( "hcsuf"		, HasArg (upd . setHcSuf))
  ,  ( "hisuf"		, HasArg (upd . setHiSuf))
1062
  ,  ( "hidir"		, HasArg (upd . setHiDir))
1063
  ,  ( "tmpdir"		, HasArg (upd . setTmpDir))
1064
  ,  ( "stubdir"	, HasArg (upd . setStubDir))
1065
  ,  ( "ddump-file-prefix", HasArg (upd . setDumpPrefixForce . Just))
1066
1067

	------- Keeping temporary files -------------------------------------
Ian Lynagh's avatar
Ian Lynagh committed
1068
1069
1070
1071
1072
1073
1074
1075
1076
     -- These can be singular (think ghc -c) or plural (think ghc --make)
  ,  ( "keep-hc-file"    , NoArg (setDynFlag Opt_KeepHcFiles))
  ,  ( "keep-hc-files"   , NoArg (setDynFlag Opt_KeepHcFiles))
  ,  ( "keep-s-file"     , NoArg (setDynFlag Opt_KeepSFiles))
  ,  ( "keep-s-files"    , NoArg (setDynFlag Opt_KeepSFiles))
  ,  ( "keep-raw-s-file" , NoArg (setDynFlag Opt_KeepRawSFiles))
  ,  ( "keep-raw-s-files", NoArg (setDynFlag Opt_KeepRawSFiles))
     -- This only makes sense as plural
  ,  ( "keep-tmp-files"  , NoArg (setDynFlag Opt_KeepTmpFiles))
1077
1078
1079
1080

	------- Miscellaneous ----------------------------------------------
  ,  ( "no-hs-main"     , NoArg (setDynFlag Opt_NoHsMain))
  ,  ( "main-is"   	, SepArg setMainIs )
1081
  ,  ( "haddock"	, NoArg (setDynFlag Opt_Haddock) )
David Waern's avatar
David Waern committed
1082
  ,  ( "haddock-opts"   , HasArg (upd . addHaddockOpts))
andy@galois.com's avatar
andy@galois.com committed
1083
  ,  ( "hpcdir"		, SepArg setOptHpcDir )
1084

1085
1086
1087
	------- recompilation checker (DEPRECATED, use -fforce-recomp) -----
  ,  ( "recomp"		, NoArg (unSetDynFlag Opt_ForceRecomp) )
  ,  ( "no-recomp"  	, NoArg (setDynFlag   Opt_ForceRecomp) )
1088
1089
1090
1091

        ------- Packages ----------------------------------------------------
  ,  ( "package-conf"   , HasArg extraPkgConf_ )
  ,  ( "no-user-package-conf", NoArg (unSetDynFlag Opt_ReadUserPackageConf) )
1092
  ,  ( "package-name"   , HasArg (upd . setPackageName) )
1093
1094
  ,  ( "package"        , HasArg exposePackage )
  ,  ( "hide-package"   , HasArg hidePackage )
1095
  ,  ( "hide-all-packages", NoArg (setDynFlag Opt_HideAllPackages) )
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
  ,  ( "ignore-package" , HasArg ignorePackage )
  ,  ( "syslib"         , HasArg exposePackage )  -- for compatibility

	------ HsCpp opts ---------------------------------------------------
  ,  ( "D",		AnySuffix (upd . addOptP) )
  ,  ( "U",		AnySuffix (upd . addOptP) )

	------- Include/Import Paths ----------------------------------------
  ,  ( "I" 		, Prefix    addIncludePath)
  ,  ( "i"		, OptPrefix addImportPath )

	------ Debugging ----------------------------------------------------
  ,  ( "dstg-stats",	NoArg (setDynFlag Opt_StgStats))

  ,  ( "ddump-cmm",         	 setDumpFlag Opt_D_dump_cmm)
1111
  ,  ( "ddump-cmmz",         	 setDumpFlag Opt_D_dump_cmmz)
1112
  ,  ( "ddump-cmmz-pretty",      setDumpFlag Opt_D_dump_cmmz_pretty)
1113
  ,  ( "ddump-cps-cmm",        	 setDumpFlag Opt_D_dump_cps_cmm)
1114
  ,  ( "ddump-cvt-cmm",        	 setDumpFlag Opt_D_dump_cvt_cmm)
1115
  ,  ( "ddump-asm",          	 setDumpFlag Opt_D_dump_asm)
1116
1117
  ,  ( "ddump-asm-native",       setDumpFlag Opt_D_dump_asm_native)
  ,  ( "ddump-asm-liveness",     setDumpFlag Opt_D_dump_asm_liveness)
1118
  ,  ( "ddump-asm-coalesce",     setDumpFlag Opt_D_dump_asm_coalesce)
1119
  ,  ( "ddump-asm-regalloc",     setDumpFlag Opt_D_dump_asm_regalloc)
1120
  ,  ( "ddump-asm-conflicts",    setDumpFlag Opt_D_dump_asm_conflicts)
1121
1122
  ,  ( "ddump-asm-regalloc-stages",
                                 setDumpFlag Opt_D_dump_asm_regalloc_stages)
1123
  ,  ( "ddump-asm-stats",        setDumpFlag Opt_D_dump_asm_stats)
1124
1125
1126
1127
1128
1129
  ,  ( "ddump-cpranal",      	 setDumpFlag Opt_D_dump_cpranal)
  ,  ( "ddump-deriv",        	 setDumpFlag Opt_D_dump_deriv)
  ,  ( "ddump-ds",           	 setDumpFlag Opt_D_dump_ds)
  ,  ( "ddump-flatC",        	 setDumpFlag Opt_D_dump_flatC)
  ,  ( "ddump-foreign",      	 setDumpFlag Opt_D_dump_foreign)
  ,  ( "ddump-inlinings",    	 setDumpFlag Opt_D_dump_inlinings)
1130
  ,  ( "ddump-rule-firings",   	 setDumpFlag Opt_D_dump_rule_firings)
1131
1132
1133
1134
1135
  ,  ( "ddump-occur-anal",   	 setDumpFlag Opt_D_dump_occur_anal)
  ,  ( "ddump-parsed",       	 setDumpFlag Opt_D_dump_parsed)
  ,  ( "ddump-rn",           	 setDumpFlag Opt_D_dump_rn)
  ,  ( "ddump-simpl",        	 setDumpFlag Opt_D_dump_simpl)
  ,  ( "ddump-simpl-iterations", setDumpFlag Opt_D_dump_simpl_iterations)
1136
  ,  ( "ddump-simpl-phases",     OptPrefix setDumpSimplPhases)
1137
1138
1139
1140
1141
1142
1143
1144
1145
  ,  ( "ddump-spec",         	 setDumpFlag Opt_D_dump_spec)
  ,  ( "ddump-prep",          	 setDumpFlag Opt_D_dump_prep)
  ,  ( "ddump-stg",          	 setDumpFlag Opt_D_dump_stg)
  ,  ( "ddump-stranal",      	 setDumpFlag Opt_D_dump_stranal)
  ,  ( "ddump-tc",           	 setDumpFlag Opt_D_dump_tc)
  ,  ( "ddump-types",        	 setDumpFlag Opt_D_dump_types)
  ,  ( "ddump-rules",        	 setDumpFlag Opt_D_dump_rules)
  ,  ( "ddump-cse",          	 setDumpFlag Opt_D_dump_cse)
  ,  ( "ddump-worker-wrapper",   setDumpFlag Opt_D_dump_worker_wrapper)
1146
1147
  ,  ( "ddump-rn-trace",         setDumpFlag Opt_D_dump_rn_trace)
  ,  ( "ddump-if-trace",         setDumpFlag Opt_D_dump_if_trace)
1148
1149
  ,  ( "ddump-tc-trace",         setDumpFlag Opt_D_dump_tc_trace)
  ,  ( "ddump-splices",          setDumpFlag Opt_D_dump_splices)
1150
  ,  ( "ddump-rn-stats",         setDumpFlag Opt_D_dump_rn_stats)
1151
1152
1153
1154
  ,  ( "ddump-opt-cmm",          setDumpFlag Opt_D_dump_opt_cmm)
  ,  ( "ddump-simpl-stats",      setDumpFlag Opt_D_dump_simpl_stats)
  ,  ( "ddump-bcos",             setDumpFlag Opt_D_dump_BCOs)
  ,  ( "dsource-stats",          setDumpFlag Opt_D_source_stats)
1155
  ,  ( "dverbose-core2core",     NoArg setVerboseCore2Core)
1156
1157
  ,  ( "dverbose-stg2stg",       setDumpFlag Opt_D_verbose_stg2stg)
  ,  ( "ddump-hi",               setDumpFlag Opt_D_dump_hi)
simonpj@microsoft.com's avatar