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Diff of /sml/trunk/HISTORY

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revision 1249, Tue Jun 25 21:23:40 2002 UTC revision 1486, Tue May 11 17:04:01 2004 UTC
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13  Description:  Description:
14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16    Name: Matthias Blume (blume (at) tti - c (dot) org)
17    Date: 2004/05/11 12:05:00 CDT
18    Tag: blume-20040511-exports
19    Description:
20    
21    As per request by Adam Chlipala <adam@hcoop.net>, extended various
22    export lists in compiler-related .cm-files.
23    
24    ----------------------------------------------------------------------
25    Name: Matthias Blume (blume (at) tti - c (dot) org)
26    Date: 2004/05/11 11:35:00 CDT
27    Tag: blume-20040511-allsource
28    Description:
29    
30    The installer now honors the "src-smlnj" target again, although its meaning
31    has changed from "all sources required for the compiler" to "all sources
32    the installer knows about".  In other words, if you enable "src-smlnj"
33    in the "targets" file, then the installer will pull in sources for
34    everything.  (Notice that this refers to source code only.  Compiled
35    code is still only installed for modules that were requested explicitly
36    or which are required for other modules that were requested explicitly.)
37    
38    ----------------------------------------------------------------------
39    Name: Matthias Blume (blume (at) tti - c (dot) org)
40    Date: 2004/04/23 17:40:00 CDT
41    Tag: blume-20040423-ieee-scan
42    Description:
43    
44    Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
45    in the exponent calculation we get INF or ZERO (depending on the mantissa
46    and the sign of the exponent).
47    
48    ----------------------------------------------------------------------
49    Name: Matthias Blume (blume (at) tti - c (dot) org)
50    Date: 2004/04/23 10:40:00 CDT
51    Tag: blume-20040423-ml-build
52    Description:
53    
54    The ml-build script now terminates with a non-0 status when something
55    goes wrong.
56    
57    ----------------------------------------------------------------------
58    Name: Matthias Blume (blume (at) tti - c (dot) org)
59    Date: 2004/04/22 16:35:00 CDT
60    Tag: blume-20040422-Option
61    Description:
62    
63    Made exception Option to be the same as exception Option.Option
64    (as it should be).
65    
66    ----------------------------------------------------------------------
67    Name: Allen Leung (leunga (at) reservoir (dot) com)
68    Date: 2004/03/19 14:40:00 EST
69    Tag: leunga-20040319-cygwin-nlffi
70    Description:
71    
72    Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
73    of SML/NJ.  The problem is that
74    
75       lib = dlopen(NULL, ...)
76       f   = dlsym(lib, "malloc");
77    
78    does not work on Windows unless we explicitly export symbols
79    such as 'malloc' during linking.  We fixed this by explicitly
80    exporting the required symbols with the magic gcc incantation:
81    
82        -Wl,--export-all cygwin.def
83    
84    where cygwin.def is a file containing all the symbols that
85    we wish to export.
86    
87    I suspect this is a Windows problem and we'll have to
88    do the same (somehow with windows compilers) when
89    we build the native win32 version with the system
90    calls LoadLibrary/GetProcAddress.
91    
92    ----------------------------------------------------------------------
93    Name: Matthias Blume (blume (at) tti - c (dot) org)
94    Date: 2004/03/04 16:35:00 CST
95    Tag: blume-20040304-intinf-fmt
96    Description:
97    
98    Fixed problem with IntInf.fmt (sign would show up on the right instead
99    of on the left for BIN, OCT, and HEX).
100    
101    ----------------------------------------------------------------------
102    Name: Matthias Blume (blume (at) tti - c (dot) org)
103    Date: 2004/03/04 11:25:00 CST
104    Tag: blume-20040304-symlinks
105    Description:
106    
107    Fixed problem with installer script (unix only) where bin/ml-yacc and
108    friends pointed (via symlinks) to absolute locations instead of just
109    .run-sml.  This was reported by Vesa A Norrman.
110    
111    ----------------------------------------------------------------------
112    Name: Matthias Blume (blume (at) tti - c (dot) org)
113    Date: 2004/02/13 14:50:00 CST
114    Tag: Release_110_45
115    Description:
116    
117    New working version (110.45). New bootfiles.
118    
119    ----------------------------------------------------------------------
120    Name: Matthias Blume (blume (at) tti - c (dot) org)
121    Date: 2004/01/26 15:15:15 CST
122    Tag: blume-20040126-toplevel
123    Description:
124    
125    Improved handling of exceptions at the interactive toplevel.
126    
127    ----------------------------------------------------------------------
128    Name: Matthias Blume (blume (at) tti - c (dot) org)
129    Date: 2004/01/26 11:25:00
130    Tag: blume-20040126-app
131    Description:
132    
133    Type of top-level "app" corrected.
134    Added code for setting vp_limitPtrMask to Win32-specific runtime.
135    
136    ----------------------------------------------------------------------
137    Name: Matthias Blume (blume (at) tti - c (dot) org)
138    Date: 2003/11/18 17:10 CST
139    Tag: blume-20031118-basis-fiddle
140    Description:
141    
142    - changed Timer interface to what might become the spec
143    - POSIX_FLAGS -> BIT_FLAGS according to spec
144    - some other minor discrepancies wrt. spec eliminated
145    
146    ----------------------------------------------------------------------
147    Name: Matthias Blume (blume (at) tti - c (dot) org)
148    Date: 2003/11/06 12:00:00 CST
149    Tag: Release_110_44
150    Description:
151    
152    New working version (110.44). New bootfiles.
153    
154    ----------------------------------------------------------------------
155    Name: Matthias Blume (blume (at) tti - c (dot) org)
156    Date: 2003/11/04 11:50:00 CST
157    Tag: blume-20031104-move-libraries
158    Description:
159    
160    Eliminated the "dont_move_libraries" directive in config/targets.
161    (The mechanism was broken and could not be fixed easily.  Moreover,
162    there does not seem to be any reason not to move all libraries into
163    lib during installation.  I originally implemented this directive as a
164    backward-compatibility feature when I first introduced the new CM.
165    Now that things have been stable for a long time and going back to the
166    old CM is not an option, there is no reason to keep it around.)
167    
168    ----------------------------------------------------------------------
169    Name: Matthias Blume (blume (at) tti - c (dot) org)
170    Date: 2003/11/03 16:00:00 CST
171    Tag: blume-20031103-installdir
172    Description:
173    
174    Made installer honor INSTALLDIR variable again.  (Thanks to Chris
175    Richards for pointing out the problem and providing the solution.)
176    
177    ----------------------------------------------------------------------
178    Name: Matthias Blume (blume (at) tti - c (dot) org)
179    Date: 2003/10/01 17:05:00 CDT
180    Tag: blume-20031001-lal-mlrisc
181    Description:
182    
183    MLRISC bug fix from Lal.
184    
185    ----------------------------------------------------------------------
186    Name: Matthias Blume (blume (at) tti - c (dot) org)
187    Date: 2003/09/30 16:10:00 CDT
188    Tag: blume-20030930-primio-bat
189    Description:
190    
191    1. Added openVector, nullRd, and nullWr to PRIM_IO.
192    2. Improved .bat files (for Win32 port) to make things work under Win95.
193       (thanks to Aaron S. Hawley for this one)
194    
195    ----------------------------------------------------------------------
196    Name: Matthias Blume (blume (at) tti - c (dot) org)
197    Date: 2003/09/26 16:05:00 CDT
198    Tag: blume-20030926-wrappriv
199    Description:
200    
201    Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
202    
203    ----------------------------------------------------------------------
204    Name: Matthias Blume (blume (at) tti - c (dot) org)
205    Date: 2003/09/26 15:00:00 CDT
206    Tag: blume-20030926-110_43_3
207    Description:
208    
209    - additional cleanup
210    - version number bump, NEW BOOTFILES
211    
212    ----------------------------------------------------------------------
213    Name: Matthias Blume (blume (at) tti - c (dot) org)
214    Date: 2003/09/26 12:00:00 CDT
215    Tag: blume-20030926-ppautoload
216    Description:
217    
218    I modified the read-eval-print loop so that the autoloader gets
219    invoked whenever the prettyprinter tries to look up a symbol that
220    is not currently defined in the toplevel environment but which
221    appears in CM's autoload registry.  As a result, we see far fewer of
222    those ?.Foo.Bar.xxx names in the prettyprinter's output.
223    
224    In addition to this I tried to clean up some pieces of the Basis
225    implementation (e.g., Socket, Word8Array) in order to prevent other
226    instances of these ?.Foo.Bar.xxx names from being printed.
227    
228    The mechanism that picks names for types still needs some work, though.
229    (Right now it seems that if there is a type A.t which is defined to
230    be B.u, but B is unavailable at toplevel, then A.t gets printed as
231    "?.B.u" although the perhaps more sensible solution would be to use
232    "A.t" in this case.  In other words, the prettyprinter should follow
233    a chain of DEFtycs not farther than there are corresponding toplevel
234    names in the current environment.)
235    
236    ----------------------------------------------------------------------
237    Name: Matthias Blume (blume (at) tti - c (dot) org)
238    Date: 2003/09/24 16:31:00 CDT
239    Tag: blume-20030924-installer
240    Description:
241    
242    Another installer tweak:  All the ML code for the installer is now
243    compiled during CMB.make and put into a little library called
244    $smlnj/installer.cm.  The installation then simply invokes
245    
246       sml -m $smlnj/installer.cm
247    
248    and everything happens automagically.
249    
250    Win32:  ML code senses value of environment variable SMLNJ_HOME.
251    Unix:   ML code senses values of environment variables ROOT, CONFIGDIR,
252            and BINDIR.
253    
254    The new scheme guarantees that the ML code responsible for the installation
255    is in sync with the APIs of the main system.  Also, the installer is
256    somewhat faster because the installer script is precompiled.
257    
258    ----------------------------------------------------------------------
259    Name: Matthias Blume (blume (at) tti - c (dot) org)
260    Date: 2003/09/24 15:35:00 CDT
261    Tag: blume-20030924-synsock
262    Description:
263    
264    Added a signature SYNCHRONOUS_SOCKET to basis.cm.  This is like SOCKET
265    but excludes all non-blocking operations.  Defined SOCKET (in Basis)
266    and CML_SOCKET in terms of SYNCHRONOUS_SOCKET.  Removed superfluous
267    implementations of non-blocking operations from CML's Socket
268    structure.
269    
270    ----------------------------------------------------------------------
271    Name: Matthias Blume (blume (at) tti - c (dot) org)
272    Date: 2003/09/24 15:10:05 CDT
273    Tag: blume-20030924-sockets
274    Description:
275    
276    1. Fixed SOCKET API and implementation to match Basis spec.
277       This required changing the internal representation of sockets to one
278       that remembers (for each socket file descriptor) whether it is currently
279       blocking or non-blocking.  This state is maintained lazily (i.e., a system
280       call is made only if the state actually needs to change).
281    
282    2. OS-specific details of sockets were moved into separate files, thus
283       making it possible to unify the bulk of the socket implementations
284       between Unix and Win32.
285    
286    3. CML's socket API changed accordingly.
287       (Note that we need to remove non-blocking functions from this API
288       since they are redundant in the case of CML!)
289    
290    4. CML's socket implementation now makes use of non-blocking functions
291       provided by Basis, thus removing all OS-dependent code from this part
292       of CML.
293    
294    5. Changed Real64.precision from 52 to 53.  Minor cleanup in Real64 code.
295    
296    ----------------------------------------------------------------------
297    Name: Matthias Blume (blume (at) tti - c (dot) org)
298    Date: 2003/09/22 12:10:00 CDT
299    Tag: blume-20030922-110_43_2
300    Description:
301    
302    Made a new interim version and bootfiles for developer's bootstrapping
303    convenience.
304    
305       110.43.2 -- NEW BOOTFILES
306    
307    ----------------------------------------------------------------------
308    Name: Matthias Blume (blume (at) tti - c (dot) org)
309    Date: 2003/09/19 15:55:00 CDT
310    Tag: blume-20030919-cmdir
311    Description:
312    
313    1. new-install.sh -> install.sh
314    2. changed default CM "metadata" directory name to ".cm" (instead of "CM")
315    3. tweaked installer so that another name instead of .cm can be chosen
316       at install time (by setting the CM_DIR_ARC environment variable
317       during installation); once installation is complete, the name is
318       fixed
319    
320    ----------------------------------------------------------------------
321    Name: Matthias Blume (blume (at) tti - c (dot) org)
322    Date: 2003/09/18 16:00:00 CDT
323    Tag: blume-20030918-110_43_1
324    Description:
325    
326    Made a new interim version and bootfiles for developer's bootstrapping
327    convenience.
328    
329       110.43.1 -- NEW BOOTFILES
330    
331    ----------------------------------------------------------------------
332    Name: Matthias Blume (blume (at) tti - c (dot) org)
333    Date: 2003/09/18 15:20:00 CDT
334    Tag: blume-20030918-misc
335    Description:
336    
337    1. Exported fractionsPerSecond etc. from TimeImp (but not from Time as
338       this seems to be controversial at the moment) and used those in
339       Posix.ProcEnv.times.
340    
341    2. Added Time.{from,to}Nanoseconds to Time.
342    
343    3. Improved Real.{from,to}LargeInt by avoiding needless calculations.
344       For example, fromLargeInt never needs to look at more than 3 "big
345       digits" to get its 53 bits of precision.
346    
347    ----------------------------------------------------------------------
348    Name: Matthias Blume (blume (at) tti - c (dot) org)
349    Date: 2003/09/17 16:30:00 CDT
350    Tag: blume-20030917-real32-slices
351    Description:
352    
353    Added an entry to the primitive environment
354    (compiler/Semant/statenv/prim.sml) for int32->real64 conversion and
355    added code to compiler/CodeGen/main/mlriscGen.sml to implement it.
356    
357    Removed some of the "magic" constants in real64.sml and replaced them
358    with code that generates these values from their corresponding
359    integer counterparts.
360    
361    Made all(?) the slice-related changes to the Basis and made everything
362    compile again...
363    
364    ----------------------------------------------------------------------
365    Name: Matthias Blume (blume (at) tti - c (dot) org)
366    Date: 2003/09/15 17:45:00 CDT
367    Tag: blume-20030915-rbase
368    Description:
369    
370    Fixed bug in Real.fromLargeInt.
371    
372    ----------------------------------------------------------------------
373    Name: Matthias Blume (blume (at) tti - c (dot) org)
374    Date: 2003/09/13 18:11:00 CDT
375    Tag: blume-20030913-libinstall
376    Description:
377    
378    Minor bugfix in config/libinstall (set anchor with path to
379    standalone tool after installing it, otherwise libraries that
380    need ml-lex or ml-yacc won't compile the first time the installer
381    runs).
382    
383    ----------------------------------------------------------------------
384    Name: Matthias Blume (blume (at) tti - c (dot) org)
385    Date: 2003/09/12 11:45:00 CDT
386    Tag: blume-20030912-various
387    Description:
388    
389     - fixed bug in Real.toLargeInt
390     - fixed bug in Posix.ProcEnv.times
391     - changed inputLine functions to return an option
392     - minor installer improvements / bugfixes
393     - changed default @SMLalloc parameter for x86/celeron to 64k
394    
395    ----------------------------------------------------------------------
396    Name: Matthias Blume (blume (at) tti - c (dot) org)
397    Date: 2003/09/09 22:00:00 CDT
398    Tag: Release_110_43
399    Description:
400    
401        New working release 110.43.  New bootfiles.
402    
403    ----------------------------------------------------------------------
404    Name: Matthias Blume (blume (at) tti - c (dot) org)
405    Date: 2003/09/09 19:20:00 CDT
406    Tag: blume-20030909-installer
407    Description:
408    
409    Rewrote large parts of config/install.sh in SML (config/libinstall.sml).
410    Modified config/install.bat to take advantage of it.  Also modified
411    config/install.sh (and called it config/new-install.sh) to take advantage
412    of it on Unix systems.  (The SML code is (supposed to be) platform-
413    independent.)
414    
415    The installer can now install everything under Win32
416    as well as under *nix as long as it compiles.
417    
418    Other changes:
419    
420      - made CML compile again under Win32
421      - made eXene compile under Win32 (by providing a fake structure UnixSock
422        and by using OS.Process.getEnv instead of Posix.ProcEnv.getenv)
423      - fixed a bug in nowhere: it assumed that type OS.Process.status is the
424        same as type int;  under Win32 it isn't
425      - fixed some slice-related problems in the win32-specific parts of CML
426      - added a functor argument "sameVol" to os-path-fn.sml in the Basis
427        (under Win32, the volume name is case-insensitive, and the
428        OS.Path code compares volume names for equality)
429    
430    ----------------------------------------------------------------------
431    Name: Matthias Blume (blume (at) tti - c (dot) org)
432    Date: 2003/09/08 11:55:00 CDT
433    Tag: blume-20030908-fullpath
434    Description:
435    
436    Made Win32 version of OS.FileSys.fullPath return current directory
437    when given an empty string.  This is what the spec says, and incidentally,
438    CM depends on it.  (CM otherwise goes into an infinite loop in certain
439    cases when presented with the name of a non-existing .cm file.)
440    
441    ----------------------------------------------------------------------
442    Name: Matthias Blume (blume (at) tti - c (dot) org)
443    Date: 2003/09/04 16:30:00 CDT
444    Tag: blume-20030905-slices-etc
445    Description:
446    
447      1. Changed interface to vectors and arrays in Basis to match
448         (draft) Basis spec.
449      2. Added signatures and implementations of slices according to
450         Basis spec.
451      3. Edited source code throughout the system to make it compile again
452         under 1. and 2.  (In some cases code had to be added to have it
453         match the new signatures.)
454      4. MLRISC should be backward-compatible: the copies of the originals
455         of files that needed to change under 3. were retained, the .cm files
456         check the compiler version number and use old versions when
457         appropriate.
458      5. Changed type of OS.FileSys.readDir and Posix.FileSys.readdir to
459         dirstream -> string option (in accordance with Basis spec).
460      6. When generating code that counts lines, ml-lex used function
461         CharVector.foldli, taking advantage of its old interface.
462         This has been replaced with the corresponding code from
463         CharVectorSlice.  (html-lex must be re-lexed!)
464      7. BitArray in smlnj-lib/Util has been extended/modified to match the
465         new MONO_ARRAY signature.  (Do we need BitArraySlice?)
466      8. Removed temporary additions (fromInternal, toInternal) from the
467         (now obsolete) IntInf in smlnj-lib/Util.
468      9. Cleaned up structure Byte.
469     10. Added localOffset, scan, and fromString to Date (according to spec).
470         Cleaned/corrected implementation of Date.
471         (Still need to check for correctness; implement better canonicalizeDate.)
472     11. Added "scan" to signature IEEE_REAL.
473     12. Some improvements to IntInf [in particular: efficiency-hack for
474         mod and rem when second operand is 2 (for parity checks).]
475     13. Changed representation of type Time.time, using a single IntInf.int
476         value counting microseconds.  This considerably simplified the
477         implementation of structure Time.  We now support negative time
478         values; scan and fromString handle signs.
479     14. Functor PrimIO now takes two additional arguments (VectorSlice and
480         ArraySlice).
481    
482    ----------------------------------------------------------------------
483    Name: Matthias Blume (blume (at) tti - c (dot) org)
484    Date: 2003/08/28 17:00:00 CDT
485    Tag: blume-20030828-intinf
486    Description:
487    
488    This is a major update which comes with a version number bump
489    (110.42.99 -- yes, we are really close to 110.43 :-), NEW BOOTFILES,
490    and an implementation of IntInf in the Basis.
491    
492    There are a fairly large number of related changes and updates throughout
493    the system:
494    
495    Basis:
496            - Implemented IntInf.
497            - Made LargeInt a projection of IntInf (by filtering through INTEGER).
498            - Added some missing Real64 operations, most notably Real.toLargeInt.
499            - Added FixedInt as a synonym for Int32.
500    
501    compiler:
502            * Added support for a built-in intinf type.
503              - literals
504              - pattern matching
505              - conversion shortcuts (Int32.fromLarge o Int.toLarge etc.)
506              - overloading on literals and operations
507    
508            This required adding a primitive type intinf, some additional
509            primops, and implementations for several non-trivial intinf
510            operations in Core.  (The intinf type is completely abstract
511            to the compiler; all operations get delegated back to the Core.)
512    
513            * Intinf equality is handled by polyequal.  However, the compiler
514            does not print its usual warning in this case (since polyequal
515            is the right thing to do there).
516    
517            * Improved the organization of structure InlineT.
518    
519            * A word about conversion primops:
520            If conversions involving intinf do not cancel out during
521            CPS contract, then the compiler must insert calls to Core functions.
522            Since all core access must be resolved already during the FLINT
523            translate phase, it would be too late a the time of CPS contract
524            to add new Core calls.  For this reason, conversion primops
525            for intinf carry two arguments:  1. the numeric argument that
526            they are supposed to convert, and 2. the Core function that
527            can help with this conversion if necessary.  If CPS contract
528            eliminates a primop, then the associated Core function becomes
529            dead and goes away.  Intinf conversion primops that do not get
530            eliminated by CPS contract get rewritten into calls of their
531            core functions by a separate, new phase.
532    
533    interactive system:
534            - Control.Print.intinfDepth controls max length of intinf constants
535            being printed. (Analogous to Control.Print.stringDepth.)
536            - Cleanup in printutil and pputil: got rid of unused stuff and
537            duplicates; replaced some of the code with code that makes better
538            use of library functionality.
539    
540    CM:
541            Bugfix: parse-errors in init group (system/smlnj/init/init.cmi)
542            are no longer silent.
543    
544    CKIT:
545            Fixed mismatched uses of Int32 and LargeInt.  I always decided
546            in favor of LargeInt -- which is now the same as IntInf.
547            CKIT-knowledgable people should check whether this is what's
548            intended and otherwise change things back to using Int32 or
549            FixedInt.
550    
551    Throughout the code:
552            Started using IntInf.int literals and built-in operations
553            (e.g., comparison with 0) where this seems appropriate.
554    
555    
556    ----------------------------------------------------------------------
557    Name: Dave MacQueen (dbm@cs.uchicago.edu)
558    Date: 2003/08/13 11:36:00 CDT
559    Tag: dbm-20030813-mcz-merge1
560    Description:
561    
562    Merging changes from the mcz-branch development branch into trunk.
563    These changes involve replacement of the emulated old prettyprinter
564    interface with direct use of the SML/NJ Lib PP library, and fixing
565    of a couple of bugs (895, 1186) relating to error messages.  A new
566    prettyprinter for ast datatypes (Elaborator/print/ppast.{sig,sml})
567    has been added.
568    
569    ----------------------------------------------------------------------
570    Name: Matthias Blume (blume (at) tti - c (dot) org)
571    Date: 2003/08/11 15:45:00 CDT
572    Tag: blume-20030811-windows
573    Description:
574    
575    Version number bumped to 110.42.9.  NEW BOOTFILES!!!
576    
577        http://smlnj.cs.uchicago.edu/dist/working/110.42.9/
578    
579    This patch restores SML/NJ's ability to run under win32.  There are a
580    number of changes, including fixes for several bugs that had gone
581    unnoticed until now:
582    
583      - uname "CYGWIN_NT*" is recognized as win32 (This is relevant only when
584        trying to run the win32 version from within cygwin.)
585    
586      - There are a number of simple .bat scripts that substitute for their
587        corresponding Unix shell-scripts.  (See below.)
588    
589      - The internals of ml-build have been modified slightly.  The main
590        difference is that instead of calling ".link-sml" (or link-sml.bat)
591        using OS.Process.system, the ML process delegates this task back
592        to the script.  Otherwise problems arise in mixed environments such
593        as Cygwin where scripts look and work like Unix scripts, but
594        where OS.Process.system cannot run them.
595    
596      - In CM, the srcpath pickler used native pathname syntax -- which
597        is incorrect in the case of cross-compilation.  The new pickle format
598        is independent of platform-specific naming conventions.
599    
600      - Path configuration files (such as lib/pathconfig) can now choose
601        between native and standard syntax.  Placing a line of the form
602    
603            standard!
604    
605        into the file causes all subsequent paths to be interpreted using
606        CM standard pathname syntax (= Unix conventions); a line
607    
608            native!
609    
610        switches back to native style.  This was needed so that
611        path config files can be written portably, see src/system/pathconfig.
612    
613      - Runtime system:
614    
615          - win32-filesys.c:  get_file_time and set_file_time now
616            access modification time, not creation time.
617    
618          - I/O code made aware of new array representation.
619    
620          - Bug fixes in X86.prim.masm.
621    
622       - src/system/makeml made aware of win32. (For use under cygwin
623            and other Unix-environments for windows.)
624    
625       - In Basis, fixed off-by-one error in win32-io.sml (function vecF)
626         which caused BinIO.inputAll to fail consistently.
627    
628    .bat scripts:
629    
630       Windows .bat scripts assume that SMLNJ_HOME is defined.
631    
632       - sml.bat, ml-yacc.bat, ml-lex.bat:  Driver scripts for standalone
633         applications (sml, ml-yacc, ml-lex).
634       - ml-build.bat: analogous to ml-build.
635       - config\install.bat:  Analogous to config/install.sh.  This requires
636         that SMLNJ_HOME is set and that Microsoft Visual C is ready to use.
637         (nmake etc. must be on the path, and vcvars32 must have been run.)
638         Moreover, sources for ml-lex and ml-yacc need to exist under src,
639         and the bootfile hierarchy must have been unpacked under
640         sml.boot.x86-win32.
641         The script is very primitive and does a poor job at error checking.
642         It only installs the base system, ml-lex, and ml-yacc.  No other
643         libraries are being installed (i.e., you get only those that
644         are part of the compiler.)
645       - link-sml.bat:  analogous to .link-sml, but not currently used
646    
647    Unrelated bug fixes:
648    
649      - ml-nlffigen now exports structures ST_* corresponding to incomplete
650        types.
651      - Added getDevice to PP/src/pp-debug-fn.sml.  (Would not compile
652        otherwise.)
653    
654    ----------------------------------------------------------------------
655    Name: Dave MacQueen (macqueen@cs.uchicago.edu)
656    Date: 2003/06/17
657    Tag: macqueen-20030617-bug895
658    Description:
659    
660    Modified compiler/Elaborator/print/pptype.sml to fix bug 895.
661    Tag will be used for new development branch (mcz-branch) for
662    use by MacQueen, (Lucasz) Zairek, and (George) Cao at uchicago.
663    
664    ----------------------------------------------------------------------
665    Name: Matthias Blume (blume (at) tti - c (dot) org)
666    Date: 2003/05/27 16:55:00 CDT
667    Tag: blume-20030527-polyeq
668    Description:
669    
670    Tried to eliminated most cases of polymorphic equality.
671    
672    ----------------------------------------------------------------------
673    Name: Matthias Blume (blume (at) tti - c (dot) org)
674    Date: 2003/05/21 17:45:00 CDT
675    Tag: blume-20030517-complete
676    Description:
677    
678    Two changes:
679    
680      1. Added a flag for controlling whether non-exhaustive bindings will
681         be treated as errors (default is false).
682      2. Cleaned up the *entire* source tree so that CMB.make goes through
683         without a single non-exhaustive match- or bind warning.
684    
685    ----------------------------------------------------------------------
686    Name: Matthias Blume (blume (at) tti - c (dot) org)
687    Date: 2003/05/17 10:20:00 CDT
688    Tag: blume-20030517-absyn
689    Description:
690    
691    1. Added cases for IF, WHILE, ANDALSO, and ORELSE to Absyn.
692    
693       This mainly affects the quality of error messages.  However, some
694       of the code is now more straightforward than before. (Treatment of
695       the above four constructs in translate.sml is much simpler than
696       the "macro-expansion" that was going on before.  Plus, the mach-
697       compiler no longer gets invoked just to be able to compile an
698       if-expression.)
699    
700    2. The ErrorMsg.Error exception is now caught and absorbed by the
701       interactive loop.
702    
703    ----------------------------------------------------------------------
704    Name: Allen Leung
705    Date: 2003/05/16 13:05:00 CDT
706    Tag: leunga-20030516-cygwin-runtime
707    Description:
708    
709        Ported the runtime system to cygwin, which uses the unix
710    x86-unix bin files.  Missing/buggy features:
711    
712       o getnetbyname, getnetbyaddr: these functions seem to be missing in
713         the Cygwin library.
714       o Ctrl-C handling may be flaky.
715       o Windows system calls and Windows I/O are not supported.
716    
717       A new set of binfiles is located at:
718    
719         http://www.dorsai.org/~leunga/boot.x86-unix.tgz
720    
721       This is only needed for bootstrapping the cygwin version of smlnj.
722       Other x86 versions can use the existing binfiles.
723    
724    ----------------------------------------------------------------------
725    Name: Matthias Blume
726    Date: 2003/04/08 15:42:00 CDT
727    Tag: blume-20030408-listpair
728    Description:
729    
730    1. Added a target 'mlrisc' to installer.
731    
732    2. Added missing elements to structure ListPair.
733    
734    ----------------------------------------------------------------------
735    Name: Allen Leung
736    Date: 2003/01/07 10:40:00 EST
737    Tag: leunga-20030107-int-rem
738    Description:
739    
740    Fixed a bug in Int.rem(x,y) where y is a power of 2 on x86.
741    The arguments to the SUBL instruction were swapped.
742    
743    ----------------------------------------------------------------------
744    Name: Matthias Blume
745    Date: 2002/12/12 16:25:00 EST
746    Tag: blume-20021212-risc-ra
747    Description:
748    
749    Fixed a serious bug in the rewrite code for FP spilling/reloading that
750    sent the RA into an infinite loop when floating point registers get
751    spilled.  (Because of this bug, e.g., nucleic stopped compiling between
752    110.37 and 110.38.)
753    There was another set of potential problems related to the handling of
754    MLRISC annotations (but those did not yet cause real problems, apparently).
755    
756    ----------------------------------------------------------------------
757    Name: Matthias Blume
758    Date: 2002/12/06 22:40:00 EST
759    Tag: blume-20021206-cm-fileid
760    Description:
761    
762    Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
763    This fixes the problem of CM getting confused by files that suddenly
764    change their identity (e.g., by getting unlinked and recreated by some
765    text editor such as vi).  There might be a better/cheaper/cleaner way
766    of doing this, but for now this will have to do.
767    
768    ----------------------------------------------------------------------
769    Name: Matthias Blume
770    Date: 2002/10/28 09:50:00 EST
771    Tag: blume-20021028-typecheck
772    Description:
773    
774    Exported structure Typecheck from $smlnj/viscomp/core.cm.
775    
776    ----------------------------------------------------------------------
777    Name: Matthias Blume
778    Date: 2002/10/17 09:10:00 EDT
779    Tag: Release_110_42
780    Description:
781    
782    In good old tradition, there has been a slight hiccup so that we have
783    to patch 110.42 after the fact.   The old release tag has been replaced
784    (see below).
785    
786    The change solves a problem with two competing approaches the
787    configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
788    each other's way.
789    
790    This change only affects the runtime system code and the installer script.
791    (No new bootfiles.)
792    
793    ----------------------------------------------------------------------
794    Name: Matthias Blume
795    Date: 2002/10/16 12:00:00 EDT
796    Tag: Release_110_42_removed
797    Description:
798    
799    New working release.  New bootfiles.
800    
801    ----------------------------------------------------------------------
802    Name: Matthias Blume
803    Date: 2002/10/10 13:10:00 EDT
804    Tag: blume-20021010-ppc-divs
805    Description:
806    
807    The mltree operator DIVS must be implemented with an overflow check on
808    the PPC because the hardware indicates divide-by-zero using "overflow" as
809    well.
810    
811    ----------------------------------------------------------------------
812    Name: Matthias Blume
813    Date: 2002/07/23 11:45:00
814    Tag: blume-20020723-smlnj-home
815    Description:
816    
817    Sml now senses the SMLNJ_HOME environment variable.  If this is set,
818    then the bin dir is assumed to be in $SMLNJ_HOME/bin and (unless
819    CM_PATHCONFIG is also set), the path configuration file is assumed
820    to be in $SMLNJ_HOME/lib/pathconfig.  This way one can easily move
821    the entire tree to some other place and everything will "just work".
822    
823    (Companion commands such as ml-build and ml-makedepend also sense this
824    variable.)
825    
826    ----------------------------------------------------------------------
827    Name: Matthias Blume
828    Date: 2002/07/12 21:19:00 EDT
829    Tag: blume-20020712-liveness
830    Description:
831    
832    Exported two useful "step" functions from liveness module (MLRISC).
833    
834    ----------------------------------------------------------------------
835    Name: Matthias Blume
836    Date: 2002/07/05 16:00 EDT
837    Tag: Release_110_41
838    Description:
839    
840    New working release.  New bootfiles.
841    
842    ----------------------------------------------------------------------
843    Name: Matthias Blume
844    Date: 2002/07/05 10:25:00 EDT
845    Tag: blume-20020705-btimp
846    Description:
847    
848    Exported structure BTImp from $smlnj/viscomp/debugprof.cm so that
849    other clients can set up backtracing support.
850    
851    ----------------------------------------------------------------------
852  Name: Matthias Blume  Name: Matthias Blume
853  Date: 2002/06/25 17:23:00 EDT  Date: 2002/06/25 17:23:00 EDT
854  Tag: blume-20020625-fpmax  Tag: blume-20020625-fpmax

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