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Diff of /sml/trunk/HISTORY

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revision 1273, Thu Oct 10 17:13:35 2002 UTC revision 1488, Tue May 11 19:20:17 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 14:20:00 CDT
18    Tag: blume-20040511-installml
19    Description:
20    
21    Fixed two bugs in installml script.  (Thanks to Vesa A. Norrman for
22    the patch.)
23    
24    ----------------------------------------------------------------------
25    Name: Matthias Blume (blume (at) tti - c (dot) org)
26    Date: 2004/05/11 14:05:00 CDT
27    Tag: blume-20040511-nlffi-netbsd
28    Description:
29    
30    Added support for nlffi under netbsd.  (Thanks to Vesa A. Norrman for
31    the patch.)
32    
33    ----------------------------------------------------------------------
34    Name: Matthias Blume (blume (at) tti - c (dot) org)
35    Date: 2004/05/11 12:05:00 CDT
36    Tag: blume-20040511-exports
37    Description:
38    
39    As per request by Adam Chlipala <adam@hcoop.net>, extended various
40    export lists in compiler-related .cm-files.
41    
42    ----------------------------------------------------------------------
43    Name: Matthias Blume (blume (at) tti - c (dot) org)
44    Date: 2004/05/11 11:35:00 CDT
45    Tag: blume-20040511-allsource
46    Description:
47    
48    The installer now honors the "src-smlnj" target again, although its meaning
49    has changed from "all sources required for the compiler" to "all sources
50    the installer knows about".  In other words, if you enable "src-smlnj"
51    in the "targets" file, then the installer will pull in sources for
52    everything.  (Notice that this refers to source code only.  Compiled
53    code is still only installed for modules that were requested explicitly
54    or which are required for other modules that were requested explicitly.)
55    
56    ----------------------------------------------------------------------
57    Name: Matthias Blume (blume (at) tti - c (dot) org)
58    Date: 2004/04/23 17:40:00 CDT
59    Tag: blume-20040423-ieee-scan
60    Description:
61    
62    Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
63    in the exponent calculation we get INF or ZERO (depending on the mantissa
64    and the sign of the exponent).
65    
66    ----------------------------------------------------------------------
67    Name: Matthias Blume (blume (at) tti - c (dot) org)
68    Date: 2004/04/23 10:40:00 CDT
69    Tag: blume-20040423-ml-build
70    Description:
71    
72    The ml-build script now terminates with a non-0 status when something
73    goes wrong.
74    
75    ----------------------------------------------------------------------
76    Name: Matthias Blume (blume (at) tti - c (dot) org)
77    Date: 2004/04/22 16:35:00 CDT
78    Tag: blume-20040422-Option
79    Description:
80    
81    Made exception Option to be the same as exception Option.Option
82    (as it should be).
83    
84    ----------------------------------------------------------------------
85    Name: Allen Leung (leunga (at) reservoir (dot) com)
86    Date: 2004/03/19 14:40:00 EST
87    Tag: leunga-20040319-cygwin-nlffi
88    Description:
89    
90    Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
91    of SML/NJ.  The problem is that
92    
93       lib = dlopen(NULL, ...)
94       f   = dlsym(lib, "malloc");
95    
96    does not work on Windows unless we explicitly export symbols
97    such as 'malloc' during linking.  We fixed this by explicitly
98    exporting the required symbols with the magic gcc incantation:
99    
100        -Wl,--export-all cygwin.def
101    
102    where cygwin.def is a file containing all the symbols that
103    we wish to export.
104    
105    I suspect this is a Windows problem and we'll have to
106    do the same (somehow with windows compilers) when
107    we build the native win32 version with the system
108    calls LoadLibrary/GetProcAddress.
109    
110    ----------------------------------------------------------------------
111    Name: Matthias Blume (blume (at) tti - c (dot) org)
112    Date: 2004/03/04 16:35:00 CST
113    Tag: blume-20040304-intinf-fmt
114    Description:
115    
116    Fixed problem with IntInf.fmt (sign would show up on the right instead
117    of on the left for BIN, OCT, and HEX).
118    
119    ----------------------------------------------------------------------
120    Name: Matthias Blume (blume (at) tti - c (dot) org)
121    Date: 2004/03/04 11:25:00 CST
122    Tag: blume-20040304-symlinks
123    Description:
124    
125    Fixed problem with installer script (unix only) where bin/ml-yacc and
126    friends pointed (via symlinks) to absolute locations instead of just
127    .run-sml.  This was reported by Vesa A Norrman.
128    
129    ----------------------------------------------------------------------
130    Name: Matthias Blume (blume (at) tti - c (dot) org)
131    Date: 2004/02/13 14:50:00 CST
132    Tag: Release_110_45
133    Description:
134    
135    New working version (110.45). New bootfiles.
136    
137    ----------------------------------------------------------------------
138    Name: Matthias Blume (blume (at) tti - c (dot) org)
139    Date: 2004/01/26 15:15:15 CST
140    Tag: blume-20040126-toplevel
141    Description:
142    
143    Improved handling of exceptions at the interactive toplevel.
144    
145    ----------------------------------------------------------------------
146    Name: Matthias Blume (blume (at) tti - c (dot) org)
147    Date: 2004/01/26 11:25:00
148    Tag: blume-20040126-app
149    Description:
150    
151    Type of top-level "app" corrected.
152    Added code for setting vp_limitPtrMask to Win32-specific runtime.
153    
154    ----------------------------------------------------------------------
155    Name: Matthias Blume (blume (at) tti - c (dot) org)
156    Date: 2003/11/18 17:10 CST
157    Tag: blume-20031118-basis-fiddle
158    Description:
159    
160    - changed Timer interface to what might become the spec
161    - POSIX_FLAGS -> BIT_FLAGS according to spec
162    - some other minor discrepancies wrt. spec eliminated
163    
164    ----------------------------------------------------------------------
165    Name: Matthias Blume (blume (at) tti - c (dot) org)
166    Date: 2003/11/06 12:00:00 CST
167    Tag: Release_110_44
168    Description:
169    
170    New working version (110.44). New bootfiles.
171    
172    ----------------------------------------------------------------------
173    Name: Matthias Blume (blume (at) tti - c (dot) org)
174    Date: 2003/11/04 11:50:00 CST
175    Tag: blume-20031104-move-libraries
176    Description:
177    
178    Eliminated the "dont_move_libraries" directive in config/targets.
179    (The mechanism was broken and could not be fixed easily.  Moreover,
180    there does not seem to be any reason not to move all libraries into
181    lib during installation.  I originally implemented this directive as a
182    backward-compatibility feature when I first introduced the new CM.
183    Now that things have been stable for a long time and going back to the
184    old CM is not an option, there is no reason to keep it around.)
185    
186    ----------------------------------------------------------------------
187    Name: Matthias Blume (blume (at) tti - c (dot) org)
188    Date: 2003/11/03 16:00:00 CST
189    Tag: blume-20031103-installdir
190    Description:
191    
192    Made installer honor INSTALLDIR variable again.  (Thanks to Chris
193    Richards for pointing out the problem and providing the solution.)
194    
195    ----------------------------------------------------------------------
196    Name: Matthias Blume (blume (at) tti - c (dot) org)
197    Date: 2003/10/01 17:05:00 CDT
198    Tag: blume-20031001-lal-mlrisc
199    Description:
200    
201    MLRISC bug fix from Lal.
202    
203    ----------------------------------------------------------------------
204    Name: Matthias Blume (blume (at) tti - c (dot) org)
205    Date: 2003/09/30 16:10:00 CDT
206    Tag: blume-20030930-primio-bat
207    Description:
208    
209    1. Added openVector, nullRd, and nullWr to PRIM_IO.
210    2. Improved .bat files (for Win32 port) to make things work under Win95.
211       (thanks to Aaron S. Hawley for this one)
212    
213    ----------------------------------------------------------------------
214    Name: Matthias Blume (blume (at) tti - c (dot) org)
215    Date: 2003/09/26 16:05:00 CDT
216    Tag: blume-20030926-wrappriv
217    Description:
218    
219    Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
220    
221    ----------------------------------------------------------------------
222    Name: Matthias Blume (blume (at) tti - c (dot) org)
223    Date: 2003/09/26 15:00:00 CDT
224    Tag: blume-20030926-110_43_3
225    Description:
226    
227    - additional cleanup
228    - version number bump, NEW BOOTFILES
229    
230    ----------------------------------------------------------------------
231    Name: Matthias Blume (blume (at) tti - c (dot) org)
232    Date: 2003/09/26 12:00:00 CDT
233    Tag: blume-20030926-ppautoload
234    Description:
235    
236    I modified the read-eval-print loop so that the autoloader gets
237    invoked whenever the prettyprinter tries to look up a symbol that
238    is not currently defined in the toplevel environment but which
239    appears in CM's autoload registry.  As a result, we see far fewer of
240    those ?.Foo.Bar.xxx names in the prettyprinter's output.
241    
242    In addition to this I tried to clean up some pieces of the Basis
243    implementation (e.g., Socket, Word8Array) in order to prevent other
244    instances of these ?.Foo.Bar.xxx names from being printed.
245    
246    The mechanism that picks names for types still needs some work, though.
247    (Right now it seems that if there is a type A.t which is defined to
248    be B.u, but B is unavailable at toplevel, then A.t gets printed as
249    "?.B.u" although the perhaps more sensible solution would be to use
250    "A.t" in this case.  In other words, the prettyprinter should follow
251    a chain of DEFtycs not farther than there are corresponding toplevel
252    names in the current environment.)
253    
254    ----------------------------------------------------------------------
255    Name: Matthias Blume (blume (at) tti - c (dot) org)
256    Date: 2003/09/24 16:31:00 CDT
257    Tag: blume-20030924-installer
258    Description:
259    
260    Another installer tweak:  All the ML code for the installer is now
261    compiled during CMB.make and put into a little library called
262    $smlnj/installer.cm.  The installation then simply invokes
263    
264       sml -m $smlnj/installer.cm
265    
266    and everything happens automagically.
267    
268    Win32:  ML code senses value of environment variable SMLNJ_HOME.
269    Unix:   ML code senses values of environment variables ROOT, CONFIGDIR,
270            and BINDIR.
271    
272    The new scheme guarantees that the ML code responsible for the installation
273    is in sync with the APIs of the main system.  Also, the installer is
274    somewhat faster because the installer script is precompiled.
275    
276    ----------------------------------------------------------------------
277    Name: Matthias Blume (blume (at) tti - c (dot) org)
278    Date: 2003/09/24 15:35:00 CDT
279    Tag: blume-20030924-synsock
280    Description:
281    
282    Added a signature SYNCHRONOUS_SOCKET to basis.cm.  This is like SOCKET
283    but excludes all non-blocking operations.  Defined SOCKET (in Basis)
284    and CML_SOCKET in terms of SYNCHRONOUS_SOCKET.  Removed superfluous
285    implementations of non-blocking operations from CML's Socket
286    structure.
287    
288    ----------------------------------------------------------------------
289    Name: Matthias Blume (blume (at) tti - c (dot) org)
290    Date: 2003/09/24 15:10:05 CDT
291    Tag: blume-20030924-sockets
292    Description:
293    
294    1. Fixed SOCKET API and implementation to match Basis spec.
295       This required changing the internal representation of sockets to one
296       that remembers (for each socket file descriptor) whether it is currently
297       blocking or non-blocking.  This state is maintained lazily (i.e., a system
298       call is made only if the state actually needs to change).
299    
300    2. OS-specific details of sockets were moved into separate files, thus
301       making it possible to unify the bulk of the socket implementations
302       between Unix and Win32.
303    
304    3. CML's socket API changed accordingly.
305       (Note that we need to remove non-blocking functions from this API
306       since they are redundant in the case of CML!)
307    
308    4. CML's socket implementation now makes use of non-blocking functions
309       provided by Basis, thus removing all OS-dependent code from this part
310       of CML.
311    
312    5. Changed Real64.precision from 52 to 53.  Minor cleanup in Real64 code.
313    
314    ----------------------------------------------------------------------
315    Name: Matthias Blume (blume (at) tti - c (dot) org)
316    Date: 2003/09/22 12:10:00 CDT
317    Tag: blume-20030922-110_43_2
318    Description:
319    
320    Made a new interim version and bootfiles for developer's bootstrapping
321    convenience.
322    
323       110.43.2 -- NEW BOOTFILES
324    
325    ----------------------------------------------------------------------
326    Name: Matthias Blume (blume (at) tti - c (dot) org)
327    Date: 2003/09/19 15:55:00 CDT
328    Tag: blume-20030919-cmdir
329    Description:
330    
331    1. new-install.sh -> install.sh
332    2. changed default CM "metadata" directory name to ".cm" (instead of "CM")
333    3. tweaked installer so that another name instead of .cm can be chosen
334       at install time (by setting the CM_DIR_ARC environment variable
335       during installation); once installation is complete, the name is
336       fixed
337    
338    ----------------------------------------------------------------------
339    Name: Matthias Blume (blume (at) tti - c (dot) org)
340    Date: 2003/09/18 16:00:00 CDT
341    Tag: blume-20030918-110_43_1
342    Description:
343    
344    Made a new interim version and bootfiles for developer's bootstrapping
345    convenience.
346    
347       110.43.1 -- NEW BOOTFILES
348    
349    ----------------------------------------------------------------------
350    Name: Matthias Blume (blume (at) tti - c (dot) org)
351    Date: 2003/09/18 15:20:00 CDT
352    Tag: blume-20030918-misc
353    Description:
354    
355    1. Exported fractionsPerSecond etc. from TimeImp (but not from Time as
356       this seems to be controversial at the moment) and used those in
357       Posix.ProcEnv.times.
358    
359    2. Added Time.{from,to}Nanoseconds to Time.
360    
361    3. Improved Real.{from,to}LargeInt by avoiding needless calculations.
362       For example, fromLargeInt never needs to look at more than 3 "big
363       digits" to get its 53 bits of precision.
364    
365    ----------------------------------------------------------------------
366    Name: Matthias Blume (blume (at) tti - c (dot) org)
367    Date: 2003/09/17 16:30:00 CDT
368    Tag: blume-20030917-real32-slices
369    Description:
370    
371    Added an entry to the primitive environment
372    (compiler/Semant/statenv/prim.sml) for int32->real64 conversion and
373    added code to compiler/CodeGen/main/mlriscGen.sml to implement it.
374    
375    Removed some of the "magic" constants in real64.sml and replaced them
376    with code that generates these values from their corresponding
377    integer counterparts.
378    
379    Made all(?) the slice-related changes to the Basis and made everything
380    compile again...
381    
382    ----------------------------------------------------------------------
383    Name: Matthias Blume (blume (at) tti - c (dot) org)
384    Date: 2003/09/15 17:45:00 CDT
385    Tag: blume-20030915-rbase
386    Description:
387    
388    Fixed bug in Real.fromLargeInt.
389    
390    ----------------------------------------------------------------------
391    Name: Matthias Blume (blume (at) tti - c (dot) org)
392    Date: 2003/09/13 18:11:00 CDT
393    Tag: blume-20030913-libinstall
394    Description:
395    
396    Minor bugfix in config/libinstall (set anchor with path to
397    standalone tool after installing it, otherwise libraries that
398    need ml-lex or ml-yacc won't compile the first time the installer
399    runs).
400    
401    ----------------------------------------------------------------------
402    Name: Matthias Blume (blume (at) tti - c (dot) org)
403    Date: 2003/09/12 11:45:00 CDT
404    Tag: blume-20030912-various
405    Description:
406    
407     - fixed bug in Real.toLargeInt
408     - fixed bug in Posix.ProcEnv.times
409     - changed inputLine functions to return an option
410     - minor installer improvements / bugfixes
411     - changed default @SMLalloc parameter for x86/celeron to 64k
412    
413    ----------------------------------------------------------------------
414    Name: Matthias Blume (blume (at) tti - c (dot) org)
415    Date: 2003/09/09 22:00:00 CDT
416    Tag: Release_110_43
417    Description:
418    
419        New working release 110.43.  New bootfiles.
420    
421    ----------------------------------------------------------------------
422    Name: Matthias Blume (blume (at) tti - c (dot) org)
423    Date: 2003/09/09 19:20:00 CDT
424    Tag: blume-20030909-installer
425    Description:
426    
427    Rewrote large parts of config/install.sh in SML (config/libinstall.sml).
428    Modified config/install.bat to take advantage of it.  Also modified
429    config/install.sh (and called it config/new-install.sh) to take advantage
430    of it on Unix systems.  (The SML code is (supposed to be) platform-
431    independent.)
432    
433    The installer can now install everything under Win32
434    as well as under *nix as long as it compiles.
435    
436    Other changes:
437    
438      - made CML compile again under Win32
439      - made eXene compile under Win32 (by providing a fake structure UnixSock
440        and by using OS.Process.getEnv instead of Posix.ProcEnv.getenv)
441      - fixed a bug in nowhere: it assumed that type OS.Process.status is the
442        same as type int;  under Win32 it isn't
443      - fixed some slice-related problems in the win32-specific parts of CML
444      - added a functor argument "sameVol" to os-path-fn.sml in the Basis
445        (under Win32, the volume name is case-insensitive, and the
446        OS.Path code compares volume names for equality)
447    
448    ----------------------------------------------------------------------
449    Name: Matthias Blume (blume (at) tti - c (dot) org)
450    Date: 2003/09/08 11:55:00 CDT
451    Tag: blume-20030908-fullpath
452    Description:
453    
454    Made Win32 version of OS.FileSys.fullPath return current directory
455    when given an empty string.  This is what the spec says, and incidentally,
456    CM depends on it.  (CM otherwise goes into an infinite loop in certain
457    cases when presented with the name of a non-existing .cm file.)
458    
459    ----------------------------------------------------------------------
460    Name: Matthias Blume (blume (at) tti - c (dot) org)
461    Date: 2003/09/04 16:30:00 CDT
462    Tag: blume-20030905-slices-etc
463    Description:
464    
465      1. Changed interface to vectors and arrays in Basis to match
466         (draft) Basis spec.
467      2. Added signatures and implementations of slices according to
468         Basis spec.
469      3. Edited source code throughout the system to make it compile again
470         under 1. and 2.  (In some cases code had to be added to have it
471         match the new signatures.)
472      4. MLRISC should be backward-compatible: the copies of the originals
473         of files that needed to change under 3. were retained, the .cm files
474         check the compiler version number and use old versions when
475         appropriate.
476      5. Changed type of OS.FileSys.readDir and Posix.FileSys.readdir to
477         dirstream -> string option (in accordance with Basis spec).
478      6. When generating code that counts lines, ml-lex used function
479         CharVector.foldli, taking advantage of its old interface.
480         This has been replaced with the corresponding code from
481         CharVectorSlice.  (html-lex must be re-lexed!)
482      7. BitArray in smlnj-lib/Util has been extended/modified to match the
483         new MONO_ARRAY signature.  (Do we need BitArraySlice?)
484      8. Removed temporary additions (fromInternal, toInternal) from the
485         (now obsolete) IntInf in smlnj-lib/Util.
486      9. Cleaned up structure Byte.
487     10. Added localOffset, scan, and fromString to Date (according to spec).
488         Cleaned/corrected implementation of Date.
489         (Still need to check for correctness; implement better canonicalizeDate.)
490     11. Added "scan" to signature IEEE_REAL.
491     12. Some improvements to IntInf [in particular: efficiency-hack for
492         mod and rem when second operand is 2 (for parity checks).]
493     13. Changed representation of type Time.time, using a single IntInf.int
494         value counting microseconds.  This considerably simplified the
495         implementation of structure Time.  We now support negative time
496         values; scan and fromString handle signs.
497     14. Functor PrimIO now takes two additional arguments (VectorSlice and
498         ArraySlice).
499    
500    ----------------------------------------------------------------------
501    Name: Matthias Blume (blume (at) tti - c (dot) org)
502    Date: 2003/08/28 17:00:00 CDT
503    Tag: blume-20030828-intinf
504    Description:
505    
506    This is a major update which comes with a version number bump
507    (110.42.99 -- yes, we are really close to 110.43 :-), NEW BOOTFILES,
508    and an implementation of IntInf in the Basis.
509    
510    There are a fairly large number of related changes and updates throughout
511    the system:
512    
513    Basis:
514            - Implemented IntInf.
515            - Made LargeInt a projection of IntInf (by filtering through INTEGER).
516            - Added some missing Real64 operations, most notably Real.toLargeInt.
517            - Added FixedInt as a synonym for Int32.
518    
519    compiler:
520            * Added support for a built-in intinf type.
521              - literals
522              - pattern matching
523              - conversion shortcuts (Int32.fromLarge o Int.toLarge etc.)
524              - overloading on literals and operations
525    
526            This required adding a primitive type intinf, some additional
527            primops, and implementations for several non-trivial intinf
528            operations in Core.  (The intinf type is completely abstract
529            to the compiler; all operations get delegated back to the Core.)
530    
531            * Intinf equality is handled by polyequal.  However, the compiler
532            does not print its usual warning in this case (since polyequal
533            is the right thing to do there).
534    
535            * Improved the organization of structure InlineT.
536    
537            * A word about conversion primops:
538            If conversions involving intinf do not cancel out during
539            CPS contract, then the compiler must insert calls to Core functions.
540            Since all core access must be resolved already during the FLINT
541            translate phase, it would be too late a the time of CPS contract
542            to add new Core calls.  For this reason, conversion primops
543            for intinf carry two arguments:  1. the numeric argument that
544            they are supposed to convert, and 2. the Core function that
545            can help with this conversion if necessary.  If CPS contract
546            eliminates a primop, then the associated Core function becomes
547            dead and goes away.  Intinf conversion primops that do not get
548            eliminated by CPS contract get rewritten into calls of their
549            core functions by a separate, new phase.
550    
551    interactive system:
552            - Control.Print.intinfDepth controls max length of intinf constants
553            being printed. (Analogous to Control.Print.stringDepth.)
554            - Cleanup in printutil and pputil: got rid of unused stuff and
555            duplicates; replaced some of the code with code that makes better
556            use of library functionality.
557    
558    CM:
559            Bugfix: parse-errors in init group (system/smlnj/init/init.cmi)
560            are no longer silent.
561    
562    CKIT:
563            Fixed mismatched uses of Int32 and LargeInt.  I always decided
564            in favor of LargeInt -- which is now the same as IntInf.
565            CKIT-knowledgable people should check whether this is what's
566            intended and otherwise change things back to using Int32 or
567            FixedInt.
568    
569    Throughout the code:
570            Started using IntInf.int literals and built-in operations
571            (e.g., comparison with 0) where this seems appropriate.
572    
573    
574    ----------------------------------------------------------------------
575    Name: Dave MacQueen (dbm@cs.uchicago.edu)
576    Date: 2003/08/13 11:36:00 CDT
577    Tag: dbm-20030813-mcz-merge1
578    Description:
579    
580    Merging changes from the mcz-branch development branch into trunk.
581    These changes involve replacement of the emulated old prettyprinter
582    interface with direct use of the SML/NJ Lib PP library, and fixing
583    of a couple of bugs (895, 1186) relating to error messages.  A new
584    prettyprinter for ast datatypes (Elaborator/print/ppast.{sig,sml})
585    has been added.
586    
587    ----------------------------------------------------------------------
588    Name: Matthias Blume (blume (at) tti - c (dot) org)
589    Date: 2003/08/11 15:45:00 CDT
590    Tag: blume-20030811-windows
591    Description:
592    
593    Version number bumped to 110.42.9.  NEW BOOTFILES!!!
594    
595        http://smlnj.cs.uchicago.edu/dist/working/110.42.9/
596    
597    This patch restores SML/NJ's ability to run under win32.  There are a
598    number of changes, including fixes for several bugs that had gone
599    unnoticed until now:
600    
601      - uname "CYGWIN_NT*" is recognized as win32 (This is relevant only when
602        trying to run the win32 version from within cygwin.)
603    
604      - There are a number of simple .bat scripts that substitute for their
605        corresponding Unix shell-scripts.  (See below.)
606    
607      - The internals of ml-build have been modified slightly.  The main
608        difference is that instead of calling ".link-sml" (or link-sml.bat)
609        using OS.Process.system, the ML process delegates this task back
610        to the script.  Otherwise problems arise in mixed environments such
611        as Cygwin where scripts look and work like Unix scripts, but
612        where OS.Process.system cannot run them.
613    
614      - In CM, the srcpath pickler used native pathname syntax -- which
615        is incorrect in the case of cross-compilation.  The new pickle format
616        is independent of platform-specific naming conventions.
617    
618      - Path configuration files (such as lib/pathconfig) can now choose
619        between native and standard syntax.  Placing a line of the form
620    
621            standard!
622    
623        into the file causes all subsequent paths to be interpreted using
624        CM standard pathname syntax (= Unix conventions); a line
625    
626            native!
627    
628        switches back to native style.  This was needed so that
629        path config files can be written portably, see src/system/pathconfig.
630    
631      - Runtime system:
632    
633          - win32-filesys.c:  get_file_time and set_file_time now
634            access modification time, not creation time.
635    
636          - I/O code made aware of new array representation.
637    
638          - Bug fixes in X86.prim.masm.
639    
640       - src/system/makeml made aware of win32. (For use under cygwin
641            and other Unix-environments for windows.)
642    
643       - In Basis, fixed off-by-one error in win32-io.sml (function vecF)
644         which caused BinIO.inputAll to fail consistently.
645    
646    .bat scripts:
647    
648       Windows .bat scripts assume that SMLNJ_HOME is defined.
649    
650       - sml.bat, ml-yacc.bat, ml-lex.bat:  Driver scripts for standalone
651         applications (sml, ml-yacc, ml-lex).
652       - ml-build.bat: analogous to ml-build.
653       - config\install.bat:  Analogous to config/install.sh.  This requires
654         that SMLNJ_HOME is set and that Microsoft Visual C is ready to use.
655         (nmake etc. must be on the path, and vcvars32 must have been run.)
656         Moreover, sources for ml-lex and ml-yacc need to exist under src,
657         and the bootfile hierarchy must have been unpacked under
658         sml.boot.x86-win32.
659         The script is very primitive and does a poor job at error checking.
660         It only installs the base system, ml-lex, and ml-yacc.  No other
661         libraries are being installed (i.e., you get only those that
662         are part of the compiler.)
663       - link-sml.bat:  analogous to .link-sml, but not currently used
664    
665    Unrelated bug fixes:
666    
667      - ml-nlffigen now exports structures ST_* corresponding to incomplete
668        types.
669      - Added getDevice to PP/src/pp-debug-fn.sml.  (Would not compile
670        otherwise.)
671    
672    ----------------------------------------------------------------------
673    Name: Dave MacQueen (macqueen@cs.uchicago.edu)
674    Date: 2003/06/17
675    Tag: macqueen-20030617-bug895
676    Description:
677    
678    Modified compiler/Elaborator/print/pptype.sml to fix bug 895.
679    Tag will be used for new development branch (mcz-branch) for
680    use by MacQueen, (Lucasz) Zairek, and (George) Cao at uchicago.
681    
682    ----------------------------------------------------------------------
683    Name: Matthias Blume (blume (at) tti - c (dot) org)
684    Date: 2003/05/27 16:55:00 CDT
685    Tag: blume-20030527-polyeq
686    Description:
687    
688    Tried to eliminated most cases of polymorphic equality.
689    
690    ----------------------------------------------------------------------
691    Name: Matthias Blume (blume (at) tti - c (dot) org)
692    Date: 2003/05/21 17:45:00 CDT
693    Tag: blume-20030517-complete
694    Description:
695    
696    Two changes:
697    
698      1. Added a flag for controlling whether non-exhaustive bindings will
699         be treated as errors (default is false).
700      2. Cleaned up the *entire* source tree so that CMB.make goes through
701         without a single non-exhaustive match- or bind warning.
702    
703    ----------------------------------------------------------------------
704    Name: Matthias Blume (blume (at) tti - c (dot) org)
705    Date: 2003/05/17 10:20:00 CDT
706    Tag: blume-20030517-absyn
707    Description:
708    
709    1. Added cases for IF, WHILE, ANDALSO, and ORELSE to Absyn.
710    
711       This mainly affects the quality of error messages.  However, some
712       of the code is now more straightforward than before. (Treatment of
713       the above four constructs in translate.sml is much simpler than
714       the "macro-expansion" that was going on before.  Plus, the mach-
715       compiler no longer gets invoked just to be able to compile an
716       if-expression.)
717    
718    2. The ErrorMsg.Error exception is now caught and absorbed by the
719       interactive loop.
720    
721    ----------------------------------------------------------------------
722    Name: Allen Leung
723    Date: 2003/05/16 13:05:00 CDT
724    Tag: leunga-20030516-cygwin-runtime
725    Description:
726    
727        Ported the runtime system to cygwin, which uses the unix
728    x86-unix bin files.  Missing/buggy features:
729    
730       o getnetbyname, getnetbyaddr: these functions seem to be missing in
731         the Cygwin library.
732       o Ctrl-C handling may be flaky.
733       o Windows system calls and Windows I/O are not supported.
734    
735       A new set of binfiles is located at:
736    
737         http://www.dorsai.org/~leunga/boot.x86-unix.tgz
738    
739       This is only needed for bootstrapping the cygwin version of smlnj.
740       Other x86 versions can use the existing binfiles.
741    
742    ----------------------------------------------------------------------
743    Name: Matthias Blume
744    Date: 2003/04/08 15:42:00 CDT
745    Tag: blume-20030408-listpair
746    Description:
747    
748    1. Added a target 'mlrisc' to installer.
749    
750    2. Added missing elements to structure ListPair.
751    
752    ----------------------------------------------------------------------
753    Name: Allen Leung
754    Date: 2003/01/07 10:40:00 EST
755    Tag: leunga-20030107-int-rem
756    Description:
757    
758    Fixed a bug in Int.rem(x,y) where y is a power of 2 on x86.
759    The arguments to the SUBL instruction were swapped.
760    
761    ----------------------------------------------------------------------
762    Name: Matthias Blume
763    Date: 2002/12/12 16:25:00 EST
764    Tag: blume-20021212-risc-ra
765    Description:
766    
767    Fixed a serious bug in the rewrite code for FP spilling/reloading that
768    sent the RA into an infinite loop when floating point registers get
769    spilled.  (Because of this bug, e.g., nucleic stopped compiling between
770    110.37 and 110.38.)
771    There was another set of potential problems related to the handling of
772    MLRISC annotations (but those did not yet cause real problems, apparently).
773    
774    ----------------------------------------------------------------------
775    Name: Matthias Blume
776    Date: 2002/12/06 22:40:00 EST
777    Tag: blume-20021206-cm-fileid
778    Description:
779    
780    Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
781    This fixes the problem of CM getting confused by files that suddenly
782    change their identity (e.g., by getting unlinked and recreated by some
783    text editor such as vi).  There might be a better/cheaper/cleaner way
784    of doing this, but for now this will have to do.
785    
786    ----------------------------------------------------------------------
787    Name: Matthias Blume
788    Date: 2002/10/28 09:50:00 EST
789    Tag: blume-20021028-typecheck
790    Description:
791    
792    Exported structure Typecheck from $smlnj/viscomp/core.cm.
793    
794    ----------------------------------------------------------------------
795    Name: Matthias Blume
796    Date: 2002/10/17 09:10:00 EDT
797    Tag: Release_110_42
798    Description:
799    
800    In good old tradition, there has been a slight hiccup so that we have
801    to patch 110.42 after the fact.   The old release tag has been replaced
802    (see below).
803    
804    The change solves a problem with two competing approaches the
805    configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
806    each other's way.
807    
808    This change only affects the runtime system code and the installer script.
809    (No new bootfiles.)
810    
811    ----------------------------------------------------------------------
812    Name: Matthias Blume
813    Date: 2002/10/16 12:00:00 EDT
814    Tag: Release_110_42_removed
815    Description:
816    
817    New working release.  New bootfiles.
818    
819    ----------------------------------------------------------------------
820  Name: Matthias Blume  Name: Matthias Blume
821  Date: 2002/10/10 13:10:00 EDT  Date: 2002/10/10 13:10:00 EDT
822  Tag: blume-20021010-ppc-divs  Tag: blume-20021010-ppc-divs

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