-----------------------------------------------------------------------------
--- $Id: DriverState.hs,v 1.24 2001/01/16 12:41:03 simonmar Exp $
+-- $Id: DriverState.hs,v 1.51 2001/07/31 10:06:25 sewardj Exp $
--
-- Settings for the driver
--
module DriverState where
+#include "../includes/config.h"
#include "HsVersions.h"
-import CmStaticInfo
+import Packages ( PackageConfig(..) )
import CmdLineOpts
+import DriverPhases
import DriverUtil
import Util
import Config
import Exception
import IOExts
-#ifdef mingw32_TARGET_OS
-import TmpFiles ( newTempName )
-import Directory ( removeFile )
-#endif
import Panic
import List
import Char
import Monad
+import Directory ( doesDirectoryExist )
-----------------------------------------------------------------------------
--- Driver state
-
--- certain flags can be specified on a per-file basis, in an OPTIONS
--- pragma at the beginning of the source file. This means that when
--- compiling mulitple files, we have to restore the global option
--- settings before compiling a new file.
---
--- The DriverState record contains the per-file-mutable state.
-
-data DriverState = DriverState {
-
- -- are we runing cpp on this file?
- cpp_flag :: Bool,
-
- -- misc
- stolen_x86_regs :: Int,
- cmdline_hc_includes :: [String],
-
- -- options for a particular phase
- opt_L :: [String],
- opt_P :: [String],
- opt_c :: [String],
- opt_a :: [String],
- opt_m :: [String]
- }
-
-initDriverState = DriverState {
- cpp_flag = False,
- stolen_x86_regs = 4,
- cmdline_hc_includes = [],
- opt_L = [],
- opt_P = [],
- opt_c = [],
- opt_a = [],
- opt_m = [],
- }
-
--- The driver state is first initialized from the command line options,
--- and then reset to this initial state before each compilation.
--- v_InitDriverState contains the saved initial state, and v_DriverState
--- contains the current state (modified by any OPTIONS pragmas, for example).
---
--- v_InitDriverState may also be modified from the GHCi prompt, using :set.
---
-GLOBAL_VAR(v_InitDriverState, initDriverState, DriverState)
-GLOBAL_VAR(v_Driver_state, initDriverState, DriverState)
-
-readState :: (DriverState -> a) -> IO a
-readState f = readIORef v_Driver_state >>= return . f
-
-updateState :: (DriverState -> DriverState) -> IO ()
-updateState f = readIORef v_Driver_state >>= writeIORef v_Driver_state . f
-
-addOpt_L a = updateState (\s -> s{opt_L = a : opt_L s})
-addOpt_P a = updateState (\s -> s{opt_P = a : opt_P s})
-addOpt_c a = updateState (\s -> s{opt_c = a : opt_c s})
-addOpt_a a = updateState (\s -> s{opt_a = a : opt_a s})
-addOpt_m a = updateState (\s -> s{opt_m = a : opt_m s})
-
-addCmdlineHCInclude a =
- updateState (\s -> s{cmdline_hc_includes = a : cmdline_hc_includes s})
+-- non-configured things
- -- we add to the options from the front, so we need to reverse the list
-getOpts :: (DriverState -> [a]) -> IO [a]
-getOpts opts = readState opts >>= return . reverse
+cHaskell1Version = "5" -- i.e., Haskell 98
-----------------------------------------------------------------------------
--- non-configured things
+-- GHC modes of operation
-cHaskell1Version = "5" -- i.e., Haskell 98
+data GhcMode
+ = DoMkDependHS -- ghc -M
+ | DoMkDLL -- ghc --mk-dll
+ | StopBefore Phase -- ghc -E | -C | -S | -c
+ | DoMake -- ghc --make
+ | DoInteractive -- ghc --interactive
+ | DoLink -- [ the default ]
+ deriving (Eq)
+
+GLOBAL_VAR(v_GhcMode, error "mode not set", GhcMode)
-----------------------------------------------------------------------------
-- Global compilation flags
--- location of compiler-related files
-GLOBAL_VAR(v_TopDir, clibdir, String)
-
-- Cpp-related flags
v_Hs_source_cpp_opts = global
[ "-D__HASKELL1__="++cHaskell1Version
-- Misc
GLOBAL_VAR(v_Scale_sizes_by, 1.0, Double)
-GLOBAL_VAR(v_Dry_run, False, Bool)
GLOBAL_VAR(v_Static, True, Bool)
GLOBAL_VAR(v_NoHsMain, False, Bool)
GLOBAL_VAR(v_Recomp, True, Bool)
-- Splitting object files (for libraries)
GLOBAL_VAR(v_Split_object_files, False, Bool)
-GLOBAL_VAR(v_Split_prefix, "", String)
-GLOBAL_VAR(v_N_split_files, 0, Int)
+GLOBAL_VAR(v_Split_info, ("",0), (String,Int))
+ -- The split prefix and number of files
+
can_split :: Bool
can_split = prefixMatch "i386" cTARGETPLATFORM
| otherwise = HscC
GLOBAL_VAR(v_Output_dir, Nothing, Maybe String)
-GLOBAL_VAR(v_Object_suf, Nothing, Maybe String)
GLOBAL_VAR(v_Output_file, Nothing, Maybe String)
GLOBAL_VAR(v_Output_hi, Nothing, Maybe String)
+GLOBAL_VAR(v_Object_suf, Nothing, Maybe String)
+GLOBAL_VAR(v_HC_suf, Nothing, Maybe String)
+GLOBAL_VAR(v_Hi_dir, Nothing, Maybe String)
+GLOBAL_VAR(v_Hi_suf, "hi", String)
+
GLOBAL_VAR(v_Ld_inputs, [], [String])
odir_ify :: String -> IO String
Just s -> return (newsuf s f)
-----------------------------------------------------------------------------
--- Hi Files
-
-GLOBAL_VAR(v_ProduceHi, True, Bool)
-GLOBAL_VAR(v_Hi_on_stdout, False, Bool)
-GLOBAL_VAR(v_Hi_suf, "hi", String)
-
------------------------------------------------------------------------------
--- Warnings & sanity checking
-
--- Warning packages that are controlled by -W and -Wall. The 'standard'
--- warnings that you get all the time are
---
--- -fwarn-overlapping-patterns
--- -fwarn-missing-methods
--- -fwarn-missing-fields
--- -fwarn-deprecations
--- -fwarn-duplicate-exports
---
--- these are turned off by -Wnot.
-
-
-standardWarnings = [ "-fwarn-overlapping-patterns"
- , "-fwarn-missing-methods"
- , "-fwarn-missing-fields"
- , "-fwarn-deprecations"
- , "-fwarn-duplicate-exports"
- ]
-minusWOpts = standardWarnings ++
- [ "-fwarn-unused-binds"
- , "-fwarn-unused-matches"
- , "-fwarn-incomplete-patterns"
- , "-fwarn-unused-imports"
- ]
-minusWallOpts = minusWOpts ++
- [ "-fwarn-type-defaults"
- , "-fwarn-name-shadowing"
- , "-fwarn-missing-signatures"
- , "-fwarn-hi-shadowing"
- ]
-
-data WarningState = W_default | W_ | W_all | W_not
-GLOBAL_VAR(v_Warning_opt, W_default, WarningState)
-
------------------------------------------------------------------------------
-- Compiler optimisation options
GLOBAL_VAR(v_OptLevel, 0, Int)
GLOBAL_VAR(v_MaxSimplifierIterations, 4, Int)
GLOBAL_VAR(v_StgStats, False, Bool)
GLOBAL_VAR(v_UsageSPInf, False, Bool) -- Off by default
-GLOBAL_VAR(v_Strictness, True, Bool)
+GLOBAL_VAR(v_Strictness, False {-True-}, Bool)
GLOBAL_VAR(v_CPR, True, Bool)
GLOBAL_VAR(v_CSE, True, Bool)
[
"-fignore-interface-pragmas",
"-fomit-interface-pragmas",
+ "-fdo-lambda-eta-expansion", -- 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.
"-flet-no-escape"
]
-- these are the static flags you get when -O is on.
hsc_minusO_flags =
[
+ "-fignore-asserts",
"-ffoldr-build-on",
"-fdo-eta-reduction",
"-fdo-lambda-eta-expansion",
- "-fcase-of-case",
"-fcase-merge",
"-flet-to-case",
"-flet-no-escape"
]),
CoreDoSimplify (isAmongSimpl [
- MaxSimplifierIterations 2
+ MaxSimplifierIterations 3
-- No -finline-phase: 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!
]),
- if strictness then CoreDoStrictness else CoreDoNothing,
if cpr then CoreDoCPResult else CoreDoNothing,
+ if strictness then CoreDoStrictness else CoreDoNothing,
CoreDoWorkerWrapper,
CoreDoGlomBinds,
CoreLiberateCase
else
CoreDoNothing,
+ if opt_level >= 2 then
+ CoreDoSpecConstr
+ else
+ CoreDoNothing,
-- Final clean-up simplification:
CoreDoSimplify (isAmongSimpl [
addToDirList :: IORef [String] -> String -> IO ()
addToDirList ref path
- = do paths <- readIORef ref
- writeIORef ref (paths ++ split split_marker path)
+ = do paths <- readIORef ref
+ shiny_new_ones <- splitUp path
+ writeIORef ref (paths ++ shiny_new_ones)
+
+ where
+ splitUp ::String -> IO [String]
+#ifdef mingw32_TARGET_OS
+ -- 'hybrid' support for DOS-style paths in directory lists.
+ --
+ -- That is, if "foo:bar:baz" is used, this interpreted as
+ -- consisting of three entries, 'foo', 'bar', 'baz'.
+ -- However, with "c:/foo:c:\\foo;x:/bar", this is interpreted
+ -- as four elts, "c:/foo", "c:\\foo", "x", and "/bar" --
+ -- *provided* c:/foo exists and x:/bar doesn't.
+ --
+ -- Notice that no attempt is made to fully replace the 'standard'
+ -- split marker ':' with the Windows / DOS one, ';'. The reason being
+ -- that this will cause too much breakage for users & ':' will
+ -- work fine even with DOS paths, if you're not insisting on being silly.
+ -- So, use either.
+ splitUp [] = return []
+ splitUp (x:':':div:xs)
+ | div `elem` dir_markers = do
+ let (p,rs) = findNextPath xs
+ ps <- splitUp rs
+ {-
+ Consult the file system to check the interpretation
+ of (x:':':div:p) -- this is arguably excessive, we
+ could skip this test & just say that it is a valid
+ dir path.
+ -}
+ flg <- doesDirectoryExist (x:':':div:p)
+ if flg then
+ return ((x:':':div:p):ps)
+ else
+ return ([x]:(div:p):ps)
+ splitUp xs = do
+ let (p,rs) = findNextPath xs
+ ps <- splitUp rs
+ return (cons p ps)
+
+ cons "" xs = xs
+ cons x xs = x:xs
+
+ -- will be called either when we've consumed nought or the "<Drive>:/" part of
+ -- a DOS path, so splitting is just a Q of finding the next split marker.
+ findNextPath xs =
+ case break (`elem` split_markers) xs of
+ (p, d:ds) -> (p, ds)
+ (p, xs) -> (p, xs)
+
+ split_markers :: [Char]
+ split_markers = [':', ';']
+
+ dir_markers :: [Char]
+ dir_markers = ['/', '\\']
+
+#else
+ splitUp xs = return (split split_marker xs)
+#endif
+
+GLOBAL_VAR(v_HCHeader, "", String)
-----------------------------------------------------------------------------
-- Packages
-GLOBAL_VAR(v_Path_package_config, error "path_package_config", String)
-
-- package list is maintained in dependency order
GLOBAL_VAR(v_Packages, ("std":"rts":"gmp":[]), [String])
addPackage package
= do pkg_details <- readIORef v_Package_details
case lookupPkg package pkg_details of
- Nothing -> throwDyn (OtherError ("unknown package name: " ++ package))
+ Nothing -> throwDyn (CmdLineError ("unknown package name: " ++ package))
Just details -> do
ps <- readIORef v_Packages
unless (package `elem` ps) $ do
getPackageImportPath :: IO [String]
getPackageImportPath = do
ps <- getPackageInfo
- return (nub (concat (map import_dirs ps)))
+ return (nub (filter (not.null) (concatMap import_dirs ps)))
getPackageIncludePath :: IO [String]
getPackageIncludePath = do
getPackageLibraryPath :: IO [String]
getPackageLibraryPath = do
ps <- getPackageInfo
- return (nub (concat (map library_dirs ps)))
+ return (nub (filter (not.null) (concatMap library_dirs ps)))
getPackageLibraries :: IO [String]
getPackageLibraries = do
tag <- readIORef v_Build_tag
let suffix = if null tag then "" else '_':tag
return (concat (
- map (\p -> map (++suffix) (hs_libraries p) ++ extra_libraries p) ps
+ map (\p -> map (++suffix) (hACK (hs_libraries p)) ++ extra_libraries p) ps
))
+ where
+ -- This is a totally horrible (temporary) hack, for Win32. Problem is
+ -- that package.conf for Win32 says that the main prelude lib is
+ -- split into HSstd1 and HSstd2, which is needed due to limitations in
+ -- the PEi386 file format, to make GHCi work. However, we still only
+ -- have HSstd.a for static linking, not HSstd1.a and HSstd2.a.
+ -- getPackageLibraries is called to find the .a's to add to the static
+ -- link line. On Win32, this hACK detects HSstd1 and HSstd2 and
+ -- replaces them with HSstd, so static linking still works.
+ -- Libraries needed for dynamic (GHCi) linking are discovered via
+ -- different route (in InteractiveUI.linkPackage).
+ -- See driver/PackageSrc.hs for the HSstd1/HSstd2 split definition.
+ -- THIS IS A STRICTLY TEMPORARY HACK (famous last words ...)
+ hACK libs
+# ifndef mingw32_TARGET_OS
+ = libs
+# else
+ = if "HSstd1" `elem` libs && "HSstd2" `elem` libs
+ then "HSstd" : filter ((/= "HSstd").(take 5)) libs
+ else libs
+# endif
getPackageExtraGhcOpts :: IO [String]
getPackageExtraGhcOpts = do
ps <- getPackageInfo
return (concatMap extra_ld_opts ps)
-getPackageInfo :: IO [Package]
+getPackageInfo :: IO [PackageConfig]
getPackageInfo = do
ps <- readIORef v_Packages
getPackageDetails ps
-getPackageDetails :: [String] -> IO [Package]
+getPackageDetails :: [String] -> IO [PackageConfig]
getPackageDetails ps = do
pkg_details <- readIORef v_Package_details
return [ pkg | p <- ps, Just pkg <- [ lookupPkg p pkg_details ] ]
-GLOBAL_VAR(v_Package_details, (error "package_details"), [Package])
+GLOBAL_VAR(v_Package_details, (error "package_details"), [PackageConfig])
-lookupPkg :: String -> [Package] -> Maybe Package
+lookupPkg :: String -> [PackageConfig] -> Maybe PackageConfig
lookupPkg nm ps
= case [p | p <- ps, name p == nm] of
[] -> Nothing
(p:_) -> Just p
+
-----------------------------------------------------------------------------
-- Ways
findBuildTag = do
way_names <- readIORef v_Ways
case sort way_names of
- [] -> do writeIORef v_Build_tag ""
+ [] -> do -- writeIORef v_Build_tag ""
return []
[w] -> do let details = lkupWay w
return (wayOpts details)
ws -> if not (allowed_combination ws)
- then throwDyn (OtherError $
+ then throwDyn (CmdLineError $
"combination not supported: " ++
foldr1 (\a b -> a ++ '/':b)
(map (wayName . lkupWay) ws))
(WayUnreg, Way "u" "Unregisterised"
unregFlags ),
+ -- optl's below to tell linker where to find the PVM library -- HWL
(WayPar, Way "mp" "Parallel"
[ "-fparallel"
, "-D__PARALLEL_HASKELL__"
, "-optc-DPAR"
, "-package concurrent"
+ , "-optc-w"
+ , "-optl-L${PVM_ROOT}/lib/${PVM_ARCH}"
+ , "-optl-lpvm3"
+ , "-optl-lgpvm3"
+ , "-fvia-C" ]),
+
+ -- at the moment we only change the RTS and could share compiler and libs!
+ (WayPar, Way "mt" "Parallel ticky profiling"
+ [ "-fparallel"
+ , "-D__PARALLEL_HASKELL__"
+ , "-optc-DPAR"
+ , "-optc-DPAR_TICKY"
+ , "-package concurrent"
+ , "-optc-w"
+ , "-optl-L${PVM_ROOT}/lib/${PVM_ARCH}"
+ , "-optl-lpvm3"
+ , "-optl-lgpvm3"
, "-fvia-C" ]),
- (WayGran, Way "mg" "Gransim"
+ (WayPar, Way "md" "Distributed"
+ [ "-fparallel"
+ , "-D__PARALLEL_HASKELL__"
+ , "-D__DISTRIBUTED_HASKELL__"
+ , "-optc-DPAR"
+ , "-optc-DDIST"
+ , "-package concurrent"
+ , "-optc-w"
+ , "-optl-L${PVM_ROOT}/lib/${PVM_ARCH}"
+ , "-optl-lpvm3"
+ , "-optl-lgpvm3"
+ , "-fvia-C" ]),
+
+ (WayGran, Way "mg" "GranSim"
[ "-fgransim"
, "-D__GRANSIM__"
, "-optc-DGRAN"
-----------------------------------------------------------------------------
-- Programs for particular phases
-GLOBAL_VAR(v_Pgm_L, error "pgm_L", String)
-GLOBAL_VAR(v_Pgm_P, cRAWCPP, String)
-GLOBAL_VAR(v_Pgm_c, cGCC, String)
-GLOBAL_VAR(v_Pgm_m, error "pgm_m", String)
-GLOBAL_VAR(v_Pgm_s, error "pgm_s", String)
-GLOBAL_VAR(v_Pgm_a, cGCC, String)
-GLOBAL_VAR(v_Pgm_l, cGCC, String)
-GLOBAL_VAR(v_Pgm_dll, cMkDLL, String)
-
GLOBAL_VAR(v_Opt_dep, [], [String])
GLOBAL_VAR(v_Anti_opt_C, [], [String])
GLOBAL_VAR(v_Opt_C, [], [String])
getStaticOpts :: IORef [String] -> IO [String]
getStaticOpts ref = readIORef ref >>= return . reverse
-
------------------------------------------------------------------------------
--- Via-C compilation stuff
-
--- flags returned are: ( all C compilations
--- , registerised HC compilations
--- )
-
-machdepCCOpts
- | prefixMatch "alpha" cTARGETPLATFORM
- = return ( ["-static"], [] )
-
- | prefixMatch "hppa" cTARGETPLATFORM
- -- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
- -- (very nice, but too bad the HP /usr/include files don't agree.)
- = return ( ["-static", "-D_HPUX_SOURCE"], [] )
-
- | prefixMatch "m68k" cTARGETPLATFORM
- -- -fno-defer-pop : for the .hc files, we want all the pushing/
- -- popping of args to routines to be explicit; if we let things
- -- be deferred 'til after an STGJUMP, imminent death is certain!
- --
- -- -fomit-frame-pointer : *don't*
- -- It's better to have a6 completely tied up being a frame pointer
- -- rather than let GCC pick random things to do with it.
- -- (If we want to steal a6, then we would try to do things
- -- as on iX86, where we *do* steal the frame pointer [%ebp].)
- = return ( [], ["-fno-defer-pop", "-fno-omit-frame-pointer"] )
-
- | prefixMatch "i386" cTARGETPLATFORM
- -- -fno-defer-pop : basically the same game as for m68k
- --
- -- -fomit-frame-pointer : *must* in .hc files; because we're stealing
- -- the fp (%ebp) for our register maps.
- = do n_regs <- readState stolen_x86_regs
- sta <- readIORef v_Static
- return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "",
- if suffixMatch "mingw32" cTARGETPLATFORM then "-mno-cygwin" else "" ],
- [ "-fno-defer-pop", "-fomit-frame-pointer",
- "-DSTOLEN_X86_REGS="++show n_regs ]
- )
-
- | prefixMatch "mips" cTARGETPLATFORM
- = return ( ["static"], [] )
-
- | prefixMatch "powerpc" cTARGETPLATFORM || prefixMatch "rs6000" cTARGETPLATFORM
- = return ( ["static"], ["-finhibit-size-directive"] )
-
- | otherwise
- = return ( [], [] )
projects / ghc-hetmet.git / blobdiff