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  1. 14 Feb, 2002 21 commits
    • sof's avatar
      [project @ 2002-02-14 16:58:13 by sof] · fa1ce854
      sof authored
      as per simonpj request, add mingw protos to avoid -Wmissing-declarations warnings
    • sof's avatar
      [project @ 2002-02-14 16:55:07 by sof] · 6319ebf3
      sof authored
      resetNonBlockingFd, setNonBlockingFd: mingw tidyup
    • sof's avatar
      [project @ 2002-02-14 16:24:59 by sof] · 5f217c8d
      sof authored
      extsBitmap handling: avoid using Int instance for Bits (may not be there; cf. 4.08), use Int32 instead
    • simonmar's avatar
      [project @ 2002-02-14 15:51:30 by simonmar] · 0d571ce3
      simonmar authored
      oops, got the sense of an ifdef round the wrong way.
    • simonmar's avatar
      [project @ 2002-02-14 15:14:00 by simonmar] · 4f0e92bc
      simonmar authored
      Fixes to 'make install' in fptools/libraries.  We have to maintain the
      directory structure when installing the .hi files, rather than just
      dumping them in a single directory as we do for packages in
    • simonmar's avatar
      [project @ 2002-02-14 15:11:28 by simonmar] · 584da9b7
      simonmar authored
      fix typo: PKG_CPP_OPTS ==> PACKAGE_CPP_OPTS (fixes linking libgmp)
    • simonpj's avatar
      [project @ 2002-02-14 15:08:08 by simonpj] · debf9165
      simonpj authored
      	Undo an earlier hack in postInlineUnconditionally
      In an earlier era I made postInlineUnconditionally rather less
      aggressive; it didn't inline even trivial things unless they
      occurred just once.  THis was a hack designed to avoid rules
      unexpectedly not firing.  But now we have much more control
      over rules, through the phase numbering stuff, so I can undo the
      Well, so I believe.  Manuel, yell if your rules stop working!
    • simonpj's avatar
      [project @ 2002-02-14 15:03:38 by simonpj] · 98b23d27
      simonpj authored
      	Desugar existential matches correctly
      	data T = forall a. Ord a => T a (a->Int)
      	f (T x f) True  = ...expr1...
      	f (T y g) False = ...expr2..
      When we put in the tyvars etc we get
      	f (T a (d::Ord a) (x::a) (f::a->Int)) True =  ...expr1...
      	f (T b (e::Ord a) (y::a) (g::a->Int)) True =  ...expr2...
      After desugaring etc we'll get a single case:
      	f = \t::T b::Bool ->
      	    case t of
      	       T a (d::Ord a) (x::a) (f::a->Int)) ->
      	    case b of
      		True  -> ...expr1...
      		False -> ...expr2...
      *** We have to substitute [a/b, d/e] in expr2! **
      Originally I tried to use
      	(\b -> let e = d in expr2) a
      to do this substitution.  While this is "correct" in a way, it fails
      Lint, because e::Ord b but d::Ord a.
      So now I simply do the substitution properly using substExpr.
    • simonpj's avatar
      [project @ 2002-02-14 14:56:04 by simonpj] · 6aa2bf20
      simonpj authored
      	Record updates are ok for types involving
      	existential data constructors, so long as the
      	existential ones aren't the ones updated.
      This check was already in the type checker, but
      the desugarer had an over-zealous assert.
    • simonpj's avatar
      [project @ 2002-02-14 14:02:55 by simonpj] · 0d8a0e7f
      simonpj authored
      	Stop CSE messing up workers annotations
      See the comments with CSE.do_one
    • simonpj's avatar
      [project @ 2002-02-14 14:01:40 by simonpj] · 1f315e01
      simonpj authored
      Do tcSub the right way round for pattern type signatures
    • simonpj's avatar
      [project @ 2002-02-14 14:01:09 by simonpj] · 1a6810f8
      simonpj authored
      Do tcMonoExpr instead of tcExpr, here and there
    • simonpj's avatar
      [project @ 2002-02-14 13:59:22 by simonpj] · da0e7b0f
      simonpj authored
      Import wibbles
    • njn's avatar
      [project @ 2002-02-14 11:56:03 by njn] · 89577706
      njn authored
      This commit affects ticky-ticky profiling.  Entry counts for thunks,
      constructors, functions (standard and direct) and indirections are split into
      two counters, one for entries to static closures and one for entries to dynamic
      This required changing ticky-ticky details in the RTS (introducing new counters
      and corresponding TICK_* events), and also changing the code generator to
      generate the new event names (eg. TICK_ENT_THK is replaced by
    • sof's avatar
      [project @ 2002-02-14 09:00:41 by sof] · 4fabd150
      sof authored
      make multi-threading story work under win32 also
    • sof's avatar
      [project @ 2002-02-14 08:59:29 by sof] · 5e856f00
      sof authored
    • sof's avatar
      [project @ 2002-02-14 08:23:25 by sof] · 40d97663
      sof authored
      Right, that's it! Nuke rawSystem nonsense, as it turns
      out the SysTools replacement for it wasn't 4.08 compatible,
      hence nightly build break.
      Should you bootstrap with 4.08 under mingw, and subseq.
      do a stage2 build, you'll run into command-line length
      probs during the final big linker invocation. Nothing
      to lose sleep over, there are plenty of newer versions
      to base a stage1 build on.
    • sof's avatar
      [project @ 2002-02-14 07:55:47 by sof] · 910b485a
      sof authored
      import SystemExts.rawSystem in mingw builds only
    • sof's avatar
      [project @ 2002-02-14 07:52:05 by sof] · efa41d9d
      sof authored
      Restructured / tidied a bit:
      * Capability.grabReturnCapability() is now called by resumeThread().
        It takes care of waiting on the (Capability.c-local) condition
        variable, 'returning_worker_cond' (moved here from Schedule.c)
      * If a worker notices upon entry to the Scheduler that there are
        worker threads waiting to deposit results of external calls,
        it gives up its capability by calling Capability.yieldCapability().
      * Added Scheduler.waitForWork(), which takes care of blocking
        on 'thread_ready_cond' (+ 'rts_n_waiting_tasks' book-keeping).
      Note: changes haven't been fully tested, due to HEAD instability.
    • sof's avatar
      [project @ 2002-02-14 07:40:17 by sof] · 05abfa38
      sof authored
      win32: make it compile
    • sof's avatar
      [project @ 2002-02-14 07:39:16 by sof] · 2efe6e31
      sof authored
  2. 13 Feb, 2002 19 commits
    • sof's avatar
      [project @ 2002-02-13 20:14:41 by sof] · 1fb39ac3
      sof authored
      The days of main/rawSystem.c and (its use in) main/SysTools.lhs are
      almost up..for now, don't bother copying it in if we're booting
      with 5.02 or later (which we are under mingw, which is the only
      plat. where this hack matters).
    • sof's avatar
      [project @ 2002-02-13 19:43:46 by sof] · 07aea74a
      sof authored
      Use SGML_CATALOG_FILES, if defined
    • sof's avatar
      [project @ 2002-02-13 19:42:38 by sof] · 17656ff2
      sof authored
      FPTOOLS_DOCBOOK_CATALOG: check whether the SGML_CATALOG_FILES env var is
      defined. If it is, treat it as gospel.
    • simonmar's avatar
      [project @ 2002-02-13 15:57:19 by simonmar] · 44c6f87f
      simonmar authored
      print comes from System.IO these days
    • simonmar's avatar
      [project @ 2002-02-13 15:56:18 by simonmar] · e8d5235b
      simonmar authored
      Refer to stdout as IO.stdout, not PrelHandle.stdout, and similarly for stderr.
    • simonmar's avatar
      [project @ 2002-02-13 15:48:03 by simonmar] · a4b10a35
      simonmar authored
      Build $(GHCI_LIBRARY) whenever we build $(LIBRARY), not just when
      $(PACAGE) is set.
    • simonmar's avatar
      [project @ 2002-02-13 15:45:25 by simonmar] · eed458c7
      simonmar authored
      Packages that come in by way of -package-conf files override default
      packages (requested by Manuel Chakravarty).
    • sof's avatar
      [project @ 2002-02-13 15:29:27 by sof] · 4e19ab1d
      sof authored
      Tweaks to the Windows section, in part. commented out
      the InstallShield section as it is no longer used.
    • simonpj's avatar
      [project @ 2002-02-13 15:19:17 by simonpj] · 711e4d7a
      simonpj authored
      	Do the Right Thing for TyCons where we
      	can't see all their constructors.
      Inside a TyCon, three things can happen
      1. GHC knows all the constructors, and has them to hand.
         (Nowadays, there may be zero constructors.)
      2. GHC knows all the constructors, but has declined to slurp
         them all in, to avoid sucking in more declarations than
         necessary.  All we remember is the number of constructors,
         so we can get the return convention right.
      3. GHC doesn't know anything. This happens *only* for decls
         coming from .hi-boot files, where the programmer declines to
         supply a representation.
      Until now, these three cases have been conflated together.  Matters
      are worse now that a TyCon really can have zero constructors.  In
      fact, by confusing (3) with (1) we can actually generate bogus code.
      With this commit, the dataCons field of a TyCon is of type:
      data DataConDetails datacon
        = DataCons [datacon]	-- Its data constructors, with fully polymorphic types
      			-- A type can have zero constructors
        | Unknown		-- We're importing this data type from an hi-boot file
      			-- and we don't know what its constructors are
        | HasCons Int		-- In a quest for compilation speed we have imported
      			-- only the number of constructors (to get return
      			-- conventions right) but not the constructors themselves
      This says exactly what is going on.  There are lots of consequential small
    • simonpj's avatar
      [project @ 2002-02-13 15:14:06 by simonpj] · e7030995
      simonpj authored
      	Fix a bugs in type inference for rank-N types
      We discovered this bug when looking at type rules!
      1. When type checking (e :: sigma-ty), we must specialise sigma-ty,
         else we lose the invariant that tcMonoType has.
      2. In tcExpr_id, we should pass in a Hole tyvar not an ordinary tyvar.
      As usual, I moved some functions around in consequence.
    • simonmar's avatar
      [project @ 2002-02-13 15:07:59 by simonmar] · d113ae78
      simonmar authored
      Don't translate out negative (boxed) literals too early.
    • simonmar's avatar
      [project @ 2002-02-13 14:52:43 by simonmar] · f405fb59
      simonmar authored
      Catch up with Haskell 98 revisions: allow sections like (++ x ++ y)
      and (3 + 4 +).
    • simonpj's avatar
      [project @ 2002-02-13 14:14:09 by simonpj] · 726258fc
      simonpj authored
      	Fix the "occurs check" so that
      	it handles unifying a type variable
      	with a type scheme
      It's illegal to unify a type variable with a type scheme:
      	a  :=:  (forall b. b->b) -> Int
      But I wasn't detecting that properly.  Now, the same code
      that does the occurs check also looks for foralls.
    • simonpj's avatar
      [project @ 2002-02-13 14:05:50 by simonpj] · af93bb78
      simonpj authored
      Import wibbles
    • simonmar's avatar
      [project @ 2002-02-13 12:17:48 by simonmar] · ab96f60d
      simonmar authored
      Add {-# OPTIONS -fno-implicit-prelude #-} to the top of GHC/PrimopWrappers.hs
    • simonmar's avatar
      [project @ 2002-02-13 11:51:40 by simonmar] · aa0db183
      simonmar authored
      - Detect presence of a POSIX-compatible regex interface in configure,
        and omit Text.Regex.Posix (and hence Text.Regex) if it is missing.
        ToDo: pull in a suitably-licensed implementation of POSIX regex
        to be used in the event that the system doesn't supply one.
      - Rename old HaveRegex to HaveGNURegex.
    • simonmar's avatar
      [project @ 2002-02-13 10:45:28 by simonmar] · 27e90065
      simonmar authored
      Use --update-package rather than --remove-package followed by --add-package
    • simonmar's avatar
      [project @ 2002-02-13 10:40:24 by simonmar] · 9f66c841
      simonmar authored
      Fixes to SplitObjs: we now put the split object files in a
      subdirectory M_split/ rather than just M/, because the latter
      interacts badly with our hierarchical module structure.
    • simonpj's avatar
      [project @ 2002-02-13 10:39:36 by simonpj] · 9b7de002
      simonpj authored
      	dosifyPath before opening files
      If you call
      	hsc2hs foo/baz
      you get the amazing response:
      	'foo' is not recognized as an internal or external command,
      	operable program or batch file.
      On the other hand
      	hsc2hs foo\baz
      works fine.  Solution: call dosifyPath before opening or writing the file.
      Somehow we should make it less easy to trip up when doing file I/O on
      Windows.  And provide a library of path-manipulation primitives.