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Diff of /sml/trunk/HISTORY

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revision 1201, Fri May 17 20:48:38 2002 UTC revision 1487, Tue May 11 19:01:04 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 14:05:00 CDT
18    Tag: blume-20040511-nlffi-netbsd
19    Description:
20    
21    Added support for nlffi under netbsd.  (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 12:05:00 CDT
27    Tag: blume-20040511-exports
28    Description:
29    
30    As per request by Adam Chlipala <adam@hcoop.net>, extended various
31    export lists in compiler-related .cm-files.
32    
33    ----------------------------------------------------------------------
34    Name: Matthias Blume (blume (at) tti - c (dot) org)
35    Date: 2004/05/11 11:35:00 CDT
36    Tag: blume-20040511-allsource
37    Description:
38    
39    The installer now honors the "src-smlnj" target again, although its meaning
40    has changed from "all sources required for the compiler" to "all sources
41    the installer knows about".  In other words, if you enable "src-smlnj"
42    in the "targets" file, then the installer will pull in sources for
43    everything.  (Notice that this refers to source code only.  Compiled
44    code is still only installed for modules that were requested explicitly
45    or which are required for other modules that were requested explicitly.)
46    
47    ----------------------------------------------------------------------
48    Name: Matthias Blume (blume (at) tti - c (dot) org)
49    Date: 2004/04/23 17:40:00 CDT
50    Tag: blume-20040423-ieee-scan
51    Description:
52    
53    Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
54    in the exponent calculation we get INF or ZERO (depending on the mantissa
55    and the sign of the exponent).
56    
57    ----------------------------------------------------------------------
58    Name: Matthias Blume (blume (at) tti - c (dot) org)
59    Date: 2004/04/23 10:40:00 CDT
60    Tag: blume-20040423-ml-build
61    Description:
62    
63    The ml-build script now terminates with a non-0 status when something
64    goes wrong.
65    
66    ----------------------------------------------------------------------
67    Name: Matthias Blume (blume (at) tti - c (dot) org)
68    Date: 2004/04/22 16:35:00 CDT
69    Tag: blume-20040422-Option
70    Description:
71    
72    Made exception Option to be the same as exception Option.Option
73    (as it should be).
74    
75    ----------------------------------------------------------------------
76    Name: Allen Leung (leunga (at) reservoir (dot) com)
77    Date: 2004/03/19 14:40:00 EST
78    Tag: leunga-20040319-cygwin-nlffi
79    Description:
80    
81    Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
82    of SML/NJ.  The problem is that
83    
84       lib = dlopen(NULL, ...)
85       f   = dlsym(lib, "malloc");
86    
87    does not work on Windows unless we explicitly export symbols
88    such as 'malloc' during linking.  We fixed this by explicitly
89    exporting the required symbols with the magic gcc incantation:
90    
91        -Wl,--export-all cygwin.def
92    
93    where cygwin.def is a file containing all the symbols that
94    we wish to export.
95    
96    I suspect this is a Windows problem and we'll have to
97    do the same (somehow with windows compilers) when
98    we build the native win32 version with the system
99    calls LoadLibrary/GetProcAddress.
100    
101    ----------------------------------------------------------------------
102    Name: Matthias Blume (blume (at) tti - c (dot) org)
103    Date: 2004/03/04 16:35:00 CST
104    Tag: blume-20040304-intinf-fmt
105    Description:
106    
107    Fixed problem with IntInf.fmt (sign would show up on the right instead
108    of on the left for BIN, OCT, and HEX).
109    
110    ----------------------------------------------------------------------
111    Name: Matthias Blume (blume (at) tti - c (dot) org)
112    Date: 2004/03/04 11:25:00 CST
113    Tag: blume-20040304-symlinks
114    Description:
115    
116    Fixed problem with installer script (unix only) where bin/ml-yacc and
117    friends pointed (via symlinks) to absolute locations instead of just
118    .run-sml.  This was reported by Vesa A Norrman.
119    
120    ----------------------------------------------------------------------
121    Name: Matthias Blume (blume (at) tti - c (dot) org)
122    Date: 2004/02/13 14:50:00 CST
123    Tag: Release_110_45
124    Description:
125    
126    New working version (110.45). New bootfiles.
127    
128    ----------------------------------------------------------------------
129    Name: Matthias Blume (blume (at) tti - c (dot) org)
130    Date: 2004/01/26 15:15:15 CST
131    Tag: blume-20040126-toplevel
132    Description:
133    
134    Improved handling of exceptions at the interactive toplevel.
135    
136    ----------------------------------------------------------------------
137    Name: Matthias Blume (blume (at) tti - c (dot) org)
138    Date: 2004/01/26 11:25:00
139    Tag: blume-20040126-app
140    Description:
141    
142    Type of top-level "app" corrected.
143    Added code for setting vp_limitPtrMask to Win32-specific runtime.
144    
145    ----------------------------------------------------------------------
146    Name: Matthias Blume (blume (at) tti - c (dot) org)
147    Date: 2003/11/18 17:10 CST
148    Tag: blume-20031118-basis-fiddle
149    Description:
150    
151    - changed Timer interface to what might become the spec
152    - POSIX_FLAGS -> BIT_FLAGS according to spec
153    - some other minor discrepancies wrt. spec eliminated
154    
155    ----------------------------------------------------------------------
156    Name: Matthias Blume (blume (at) tti - c (dot) org)
157    Date: 2003/11/06 12:00:00 CST
158    Tag: Release_110_44
159    Description:
160    
161    New working version (110.44). New bootfiles.
162    
163    ----------------------------------------------------------------------
164    Name: Matthias Blume (blume (at) tti - c (dot) org)
165    Date: 2003/11/04 11:50:00 CST
166    Tag: blume-20031104-move-libraries
167    Description:
168    
169    Eliminated the "dont_move_libraries" directive in config/targets.
170    (The mechanism was broken and could not be fixed easily.  Moreover,
171    there does not seem to be any reason not to move all libraries into
172    lib during installation.  I originally implemented this directive as a
173    backward-compatibility feature when I first introduced the new CM.
174    Now that things have been stable for a long time and going back to the
175    old CM is not an option, there is no reason to keep it around.)
176    
177    ----------------------------------------------------------------------
178    Name: Matthias Blume (blume (at) tti - c (dot) org)
179    Date: 2003/11/03 16:00:00 CST
180    Tag: blume-20031103-installdir
181    Description:
182    
183    Made installer honor INSTALLDIR variable again.  (Thanks to Chris
184    Richards for pointing out the problem and providing the solution.)
185    
186    ----------------------------------------------------------------------
187    Name: Matthias Blume (blume (at) tti - c (dot) org)
188    Date: 2003/10/01 17:05:00 CDT
189    Tag: blume-20031001-lal-mlrisc
190    Description:
191    
192    MLRISC bug fix from Lal.
193    
194    ----------------------------------------------------------------------
195    Name: Matthias Blume (blume (at) tti - c (dot) org)
196    Date: 2003/09/30 16:10:00 CDT
197    Tag: blume-20030930-primio-bat
198    Description:
199    
200    1. Added openVector, nullRd, and nullWr to PRIM_IO.
201    2. Improved .bat files (for Win32 port) to make things work under Win95.
202       (thanks to Aaron S. Hawley for this one)
203    
204    ----------------------------------------------------------------------
205    Name: Matthias Blume (blume (at) tti - c (dot) org)
206    Date: 2003/09/26 16:05:00 CDT
207    Tag: blume-20030926-wrappriv
208    Description:
209    
210    Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
211    
212    ----------------------------------------------------------------------
213    Name: Matthias Blume (blume (at) tti - c (dot) org)
214    Date: 2003/09/26 15:00:00 CDT
215    Tag: blume-20030926-110_43_3
216    Description:
217    
218    - additional cleanup
219    - version number bump, NEW BOOTFILES
220    
221    ----------------------------------------------------------------------
222    Name: Matthias Blume (blume (at) tti - c (dot) org)
223    Date: 2003/09/26 12:00:00 CDT
224    Tag: blume-20030926-ppautoload
225    Description:
226    
227    I modified the read-eval-print loop so that the autoloader gets
228    invoked whenever the prettyprinter tries to look up a symbol that
229    is not currently defined in the toplevel environment but which
230    appears in CM's autoload registry.  As a result, we see far fewer of
231    those ?.Foo.Bar.xxx names in the prettyprinter's output.
232    
233    In addition to this I tried to clean up some pieces of the Basis
234    implementation (e.g., Socket, Word8Array) in order to prevent other
235    instances of these ?.Foo.Bar.xxx names from being printed.
236    
237    The mechanism that picks names for types still needs some work, though.
238    (Right now it seems that if there is a type A.t which is defined to
239    be B.u, but B is unavailable at toplevel, then A.t gets printed as
240    "?.B.u" although the perhaps more sensible solution would be to use
241    "A.t" in this case.  In other words, the prettyprinter should follow
242    a chain of DEFtycs not farther than there are corresponding toplevel
243    names in the current environment.)
244    
245    ----------------------------------------------------------------------
246    Name: Matthias Blume (blume (at) tti - c (dot) org)
247    Date: 2003/09/24 16:31:00 CDT
248    Tag: blume-20030924-installer
249    Description:
250    
251    Another installer tweak:  All the ML code for the installer is now
252    compiled during CMB.make and put into a little library called
253    $smlnj/installer.cm.  The installation then simply invokes
254    
255       sml -m $smlnj/installer.cm
256    
257    and everything happens automagically.
258    
259    Win32:  ML code senses value of environment variable SMLNJ_HOME.
260    Unix:   ML code senses values of environment variables ROOT, CONFIGDIR,
261            and BINDIR.
262    
263    The new scheme guarantees that the ML code responsible for the installation
264    is in sync with the APIs of the main system.  Also, the installer is
265    somewhat faster because the installer script is precompiled.
266    
267    ----------------------------------------------------------------------
268    Name: Matthias Blume (blume (at) tti - c (dot) org)
269    Date: 2003/09/24 15:35:00 CDT
270    Tag: blume-20030924-synsock
271    Description:
272    
273    Added a signature SYNCHRONOUS_SOCKET to basis.cm.  This is like SOCKET
274    but excludes all non-blocking operations.  Defined SOCKET (in Basis)
275    and CML_SOCKET in terms of SYNCHRONOUS_SOCKET.  Removed superfluous
276    implementations of non-blocking operations from CML's Socket
277    structure.
278    
279    ----------------------------------------------------------------------
280    Name: Matthias Blume (blume (at) tti - c (dot) org)
281    Date: 2003/09/24 15:10:05 CDT
282    Tag: blume-20030924-sockets
283    Description:
284    
285    1. Fixed SOCKET API and implementation to match Basis spec.
286       This required changing the internal representation of sockets to one
287       that remembers (for each socket file descriptor) whether it is currently
288       blocking or non-blocking.  This state is maintained lazily (i.e., a system
289       call is made only if the state actually needs to change).
290    
291    2. OS-specific details of sockets were moved into separate files, thus
292       making it possible to unify the bulk of the socket implementations
293       between Unix and Win32.
294    
295    3. CML's socket API changed accordingly.
296       (Note that we need to remove non-blocking functions from this API
297       since they are redundant in the case of CML!)
298    
299    4. CML's socket implementation now makes use of non-blocking functions
300       provided by Basis, thus removing all OS-dependent code from this part
301       of CML.
302    
303    5. Changed Real64.precision from 52 to 53.  Minor cleanup in Real64 code.
304    
305    ----------------------------------------------------------------------
306    Name: Matthias Blume (blume (at) tti - c (dot) org)
307    Date: 2003/09/22 12:10:00 CDT
308    Tag: blume-20030922-110_43_2
309    Description:
310    
311    Made a new interim version and bootfiles for developer's bootstrapping
312    convenience.
313    
314       110.43.2 -- NEW BOOTFILES
315    
316    ----------------------------------------------------------------------
317    Name: Matthias Blume (blume (at) tti - c (dot) org)
318    Date: 2003/09/19 15:55:00 CDT
319    Tag: blume-20030919-cmdir
320    Description:
321    
322    1. new-install.sh -> install.sh
323    2. changed default CM "metadata" directory name to ".cm" (instead of "CM")
324    3. tweaked installer so that another name instead of .cm can be chosen
325       at install time (by setting the CM_DIR_ARC environment variable
326       during installation); once installation is complete, the name is
327       fixed
328    
329    ----------------------------------------------------------------------
330    Name: Matthias Blume (blume (at) tti - c (dot) org)
331    Date: 2003/09/18 16:00:00 CDT
332    Tag: blume-20030918-110_43_1
333    Description:
334    
335    Made a new interim version and bootfiles for developer's bootstrapping
336    convenience.
337    
338       110.43.1 -- NEW BOOTFILES
339    
340    ----------------------------------------------------------------------
341    Name: Matthias Blume (blume (at) tti - c (dot) org)
342    Date: 2003/09/18 15:20:00 CDT
343    Tag: blume-20030918-misc
344    Description:
345    
346    1. Exported fractionsPerSecond etc. from TimeImp (but not from Time as
347       this seems to be controversial at the moment) and used those in
348       Posix.ProcEnv.times.
349    
350    2. Added Time.{from,to}Nanoseconds to Time.
351    
352    3. Improved Real.{from,to}LargeInt by avoiding needless calculations.
353       For example, fromLargeInt never needs to look at more than 3 "big
354       digits" to get its 53 bits of precision.
355    
356    ----------------------------------------------------------------------
357    Name: Matthias Blume (blume (at) tti - c (dot) org)
358    Date: 2003/09/17 16:30:00 CDT
359    Tag: blume-20030917-real32-slices
360    Description:
361    
362    Added an entry to the primitive environment
363    (compiler/Semant/statenv/prim.sml) for int32->real64 conversion and
364    added code to compiler/CodeGen/main/mlriscGen.sml to implement it.
365    
366    Removed some of the "magic" constants in real64.sml and replaced them
367    with code that generates these values from their corresponding
368    integer counterparts.
369    
370    Made all(?) the slice-related changes to the Basis and made everything
371    compile again...
372    
373    ----------------------------------------------------------------------
374    Name: Matthias Blume (blume (at) tti - c (dot) org)
375    Date: 2003/09/15 17:45:00 CDT
376    Tag: blume-20030915-rbase
377    Description:
378    
379    Fixed bug in Real.fromLargeInt.
380    
381    ----------------------------------------------------------------------
382    Name: Matthias Blume (blume (at) tti - c (dot) org)
383    Date: 2003/09/13 18:11:00 CDT
384    Tag: blume-20030913-libinstall
385    Description:
386    
387    Minor bugfix in config/libinstall (set anchor with path to
388    standalone tool after installing it, otherwise libraries that
389    need ml-lex or ml-yacc won't compile the first time the installer
390    runs).
391    
392    ----------------------------------------------------------------------
393    Name: Matthias Blume (blume (at) tti - c (dot) org)
394    Date: 2003/09/12 11:45:00 CDT
395    Tag: blume-20030912-various
396    Description:
397    
398     - fixed bug in Real.toLargeInt
399     - fixed bug in Posix.ProcEnv.times
400     - changed inputLine functions to return an option
401     - minor installer improvements / bugfixes
402     - changed default @SMLalloc parameter for x86/celeron to 64k
403    
404    ----------------------------------------------------------------------
405    Name: Matthias Blume (blume (at) tti - c (dot) org)
406    Date: 2003/09/09 22:00:00 CDT
407    Tag: Release_110_43
408    Description:
409    
410        New working release 110.43.  New bootfiles.
411    
412    ----------------------------------------------------------------------
413    Name: Matthias Blume (blume (at) tti - c (dot) org)
414    Date: 2003/09/09 19:20:00 CDT
415    Tag: blume-20030909-installer
416    Description:
417    
418    Rewrote large parts of config/install.sh in SML (config/libinstall.sml).
419    Modified config/install.bat to take advantage of it.  Also modified
420    config/install.sh (and called it config/new-install.sh) to take advantage
421    of it on Unix systems.  (The SML code is (supposed to be) platform-
422    independent.)
423    
424    The installer can now install everything under Win32
425    as well as under *nix as long as it compiles.
426    
427    Other changes:
428    
429      - made CML compile again under Win32
430      - made eXene compile under Win32 (by providing a fake structure UnixSock
431        and by using OS.Process.getEnv instead of Posix.ProcEnv.getenv)
432      - fixed a bug in nowhere: it assumed that type OS.Process.status is the
433        same as type int;  under Win32 it isn't
434      - fixed some slice-related problems in the win32-specific parts of CML
435      - added a functor argument "sameVol" to os-path-fn.sml in the Basis
436        (under Win32, the volume name is case-insensitive, and the
437        OS.Path code compares volume names for equality)
438    
439    ----------------------------------------------------------------------
440    Name: Matthias Blume (blume (at) tti - c (dot) org)
441    Date: 2003/09/08 11:55:00 CDT
442    Tag: blume-20030908-fullpath
443    Description:
444    
445    Made Win32 version of OS.FileSys.fullPath return current directory
446    when given an empty string.  This is what the spec says, and incidentally,
447    CM depends on it.  (CM otherwise goes into an infinite loop in certain
448    cases when presented with the name of a non-existing .cm file.)
449    
450    ----------------------------------------------------------------------
451    Name: Matthias Blume (blume (at) tti - c (dot) org)
452    Date: 2003/09/04 16:30:00 CDT
453    Tag: blume-20030905-slices-etc
454    Description:
455    
456      1. Changed interface to vectors and arrays in Basis to match
457         (draft) Basis spec.
458      2. Added signatures and implementations of slices according to
459         Basis spec.
460      3. Edited source code throughout the system to make it compile again
461         under 1. and 2.  (In some cases code had to be added to have it
462         match the new signatures.)
463      4. MLRISC should be backward-compatible: the copies of the originals
464         of files that needed to change under 3. were retained, the .cm files
465         check the compiler version number and use old versions when
466         appropriate.
467      5. Changed type of OS.FileSys.readDir and Posix.FileSys.readdir to
468         dirstream -> string option (in accordance with Basis spec).
469      6. When generating code that counts lines, ml-lex used function
470         CharVector.foldli, taking advantage of its old interface.
471         This has been replaced with the corresponding code from
472         CharVectorSlice.  (html-lex must be re-lexed!)
473      7. BitArray in smlnj-lib/Util has been extended/modified to match the
474         new MONO_ARRAY signature.  (Do we need BitArraySlice?)
475      8. Removed temporary additions (fromInternal, toInternal) from the
476         (now obsolete) IntInf in smlnj-lib/Util.
477      9. Cleaned up structure Byte.
478     10. Added localOffset, scan, and fromString to Date (according to spec).
479         Cleaned/corrected implementation of Date.
480         (Still need to check for correctness; implement better canonicalizeDate.)
481     11. Added "scan" to signature IEEE_REAL.
482     12. Some improvements to IntInf [in particular: efficiency-hack for
483         mod and rem when second operand is 2 (for parity checks).]
484     13. Changed representation of type Time.time, using a single IntInf.int
485         value counting microseconds.  This considerably simplified the
486         implementation of structure Time.  We now support negative time
487         values; scan and fromString handle signs.
488     14. Functor PrimIO now takes two additional arguments (VectorSlice and
489         ArraySlice).
490    
491    ----------------------------------------------------------------------
492    Name: Matthias Blume (blume (at) tti - c (dot) org)
493    Date: 2003/08/28 17:00:00 CDT
494    Tag: blume-20030828-intinf
495    Description:
496    
497    This is a major update which comes with a version number bump
498    (110.42.99 -- yes, we are really close to 110.43 :-), NEW BOOTFILES,
499    and an implementation of IntInf in the Basis.
500    
501    There are a fairly large number of related changes and updates throughout
502    the system:
503    
504    Basis:
505            - Implemented IntInf.
506            - Made LargeInt a projection of IntInf (by filtering through INTEGER).
507            - Added some missing Real64 operations, most notably Real.toLargeInt.
508            - Added FixedInt as a synonym for Int32.
509    
510    compiler:
511            * Added support for a built-in intinf type.
512              - literals
513              - pattern matching
514              - conversion shortcuts (Int32.fromLarge o Int.toLarge etc.)
515              - overloading on literals and operations
516    
517            This required adding a primitive type intinf, some additional
518            primops, and implementations for several non-trivial intinf
519            operations in Core.  (The intinf type is completely abstract
520            to the compiler; all operations get delegated back to the Core.)
521    
522            * Intinf equality is handled by polyequal.  However, the compiler
523            does not print its usual warning in this case (since polyequal
524            is the right thing to do there).
525    
526            * Improved the organization of structure InlineT.
527    
528            * A word about conversion primops:
529            If conversions involving intinf do not cancel out during
530            CPS contract, then the compiler must insert calls to Core functions.
531            Since all core access must be resolved already during the FLINT
532            translate phase, it would be too late a the time of CPS contract
533            to add new Core calls.  For this reason, conversion primops
534            for intinf carry two arguments:  1. the numeric argument that
535            they are supposed to convert, and 2. the Core function that
536            can help with this conversion if necessary.  If CPS contract
537            eliminates a primop, then the associated Core function becomes
538            dead and goes away.  Intinf conversion primops that do not get
539            eliminated by CPS contract get rewritten into calls of their
540            core functions by a separate, new phase.
541    
542    interactive system:
543            - Control.Print.intinfDepth controls max length of intinf constants
544            being printed. (Analogous to Control.Print.stringDepth.)
545            - Cleanup in printutil and pputil: got rid of unused stuff and
546            duplicates; replaced some of the code with code that makes better
547            use of library functionality.
548    
549    CM:
550            Bugfix: parse-errors in init group (system/smlnj/init/init.cmi)
551            are no longer silent.
552    
553    CKIT:
554            Fixed mismatched uses of Int32 and LargeInt.  I always decided
555            in favor of LargeInt -- which is now the same as IntInf.
556            CKIT-knowledgable people should check whether this is what's
557            intended and otherwise change things back to using Int32 or
558            FixedInt.
559    
560    Throughout the code:
561            Started using IntInf.int literals and built-in operations
562            (e.g., comparison with 0) where this seems appropriate.
563    
564    
565    ----------------------------------------------------------------------
566    Name: Dave MacQueen (dbm@cs.uchicago.edu)
567    Date: 2003/08/13 11:36:00 CDT
568    Tag: dbm-20030813-mcz-merge1
569    Description:
570    
571    Merging changes from the mcz-branch development branch into trunk.
572    These changes involve replacement of the emulated old prettyprinter
573    interface with direct use of the SML/NJ Lib PP library, and fixing
574    of a couple of bugs (895, 1186) relating to error messages.  A new
575    prettyprinter for ast datatypes (Elaborator/print/ppast.{sig,sml})
576    has been added.
577    
578    ----------------------------------------------------------------------
579    Name: Matthias Blume (blume (at) tti - c (dot) org)
580    Date: 2003/08/11 15:45:00 CDT
581    Tag: blume-20030811-windows
582    Description:
583    
584    Version number bumped to 110.42.9.  NEW BOOTFILES!!!
585    
586        http://smlnj.cs.uchicago.edu/dist/working/110.42.9/
587    
588    This patch restores SML/NJ's ability to run under win32.  There are a
589    number of changes, including fixes for several bugs that had gone
590    unnoticed until now:
591    
592      - uname "CYGWIN_NT*" is recognized as win32 (This is relevant only when
593        trying to run the win32 version from within cygwin.)
594    
595      - There are a number of simple .bat scripts that substitute for their
596        corresponding Unix shell-scripts.  (See below.)
597    
598      - The internals of ml-build have been modified slightly.  The main
599        difference is that instead of calling ".link-sml" (or link-sml.bat)
600        using OS.Process.system, the ML process delegates this task back
601        to the script.  Otherwise problems arise in mixed environments such
602        as Cygwin where scripts look and work like Unix scripts, but
603        where OS.Process.system cannot run them.
604    
605      - In CM, the srcpath pickler used native pathname syntax -- which
606        is incorrect in the case of cross-compilation.  The new pickle format
607        is independent of platform-specific naming conventions.
608    
609      - Path configuration files (such as lib/pathconfig) can now choose
610        between native and standard syntax.  Placing a line of the form
611    
612            standard!
613    
614        into the file causes all subsequent paths to be interpreted using
615        CM standard pathname syntax (= Unix conventions); a line
616    
617            native!
618    
619        switches back to native style.  This was needed so that
620        path config files can be written portably, see src/system/pathconfig.
621    
622      - Runtime system:
623    
624          - win32-filesys.c:  get_file_time and set_file_time now
625            access modification time, not creation time.
626    
627          - I/O code made aware of new array representation.
628    
629          - Bug fixes in X86.prim.masm.
630    
631       - src/system/makeml made aware of win32. (For use under cygwin
632            and other Unix-environments for windows.)
633    
634       - In Basis, fixed off-by-one error in win32-io.sml (function vecF)
635         which caused BinIO.inputAll to fail consistently.
636    
637    .bat scripts:
638    
639       Windows .bat scripts assume that SMLNJ_HOME is defined.
640    
641       - sml.bat, ml-yacc.bat, ml-lex.bat:  Driver scripts for standalone
642         applications (sml, ml-yacc, ml-lex).
643       - ml-build.bat: analogous to ml-build.
644       - config\install.bat:  Analogous to config/install.sh.  This requires
645         that SMLNJ_HOME is set and that Microsoft Visual C is ready to use.
646         (nmake etc. must be on the path, and vcvars32 must have been run.)
647         Moreover, sources for ml-lex and ml-yacc need to exist under src,
648         and the bootfile hierarchy must have been unpacked under
649         sml.boot.x86-win32.
650         The script is very primitive and does a poor job at error checking.
651         It only installs the base system, ml-lex, and ml-yacc.  No other
652         libraries are being installed (i.e., you get only those that
653         are part of the compiler.)
654       - link-sml.bat:  analogous to .link-sml, but not currently used
655    
656    Unrelated bug fixes:
657    
658      - ml-nlffigen now exports structures ST_* corresponding to incomplete
659        types.
660      - Added getDevice to PP/src/pp-debug-fn.sml.  (Would not compile
661        otherwise.)
662    
663    ----------------------------------------------------------------------
664    Name: Dave MacQueen (macqueen@cs.uchicago.edu)
665    Date: 2003/06/17
666    Tag: macqueen-20030617-bug895
667    Description:
668    
669    Modified compiler/Elaborator/print/pptype.sml to fix bug 895.
670    Tag will be used for new development branch (mcz-branch) for
671    use by MacQueen, (Lucasz) Zairek, and (George) Cao at uchicago.
672    
673    ----------------------------------------------------------------------
674    Name: Matthias Blume (blume (at) tti - c (dot) org)
675    Date: 2003/05/27 16:55:00 CDT
676    Tag: blume-20030527-polyeq
677    Description:
678    
679    Tried to eliminated most cases of polymorphic equality.
680    
681    ----------------------------------------------------------------------
682    Name: Matthias Blume (blume (at) tti - c (dot) org)
683    Date: 2003/05/21 17:45:00 CDT
684    Tag: blume-20030517-complete
685    Description:
686    
687    Two changes:
688    
689      1. Added a flag for controlling whether non-exhaustive bindings will
690         be treated as errors (default is false).
691      2. Cleaned up the *entire* source tree so that CMB.make goes through
692         without a single non-exhaustive match- or bind warning.
693    
694    ----------------------------------------------------------------------
695    Name: Matthias Blume (blume (at) tti - c (dot) org)
696    Date: 2003/05/17 10:20:00 CDT
697    Tag: blume-20030517-absyn
698    Description:
699    
700    1. Added cases for IF, WHILE, ANDALSO, and ORELSE to Absyn.
701    
702       This mainly affects the quality of error messages.  However, some
703       of the code is now more straightforward than before. (Treatment of
704       the above four constructs in translate.sml is much simpler than
705       the "macro-expansion" that was going on before.  Plus, the mach-
706       compiler no longer gets invoked just to be able to compile an
707       if-expression.)
708    
709    2. The ErrorMsg.Error exception is now caught and absorbed by the
710       interactive loop.
711    
712    ----------------------------------------------------------------------
713    Name: Allen Leung
714    Date: 2003/05/16 13:05:00 CDT
715    Tag: leunga-20030516-cygwin-runtime
716    Description:
717    
718        Ported the runtime system to cygwin, which uses the unix
719    x86-unix bin files.  Missing/buggy features:
720    
721       o getnetbyname, getnetbyaddr: these functions seem to be missing in
722         the Cygwin library.
723       o Ctrl-C handling may be flaky.
724       o Windows system calls and Windows I/O are not supported.
725    
726       A new set of binfiles is located at:
727    
728         http://www.dorsai.org/~leunga/boot.x86-unix.tgz
729    
730       This is only needed for bootstrapping the cygwin version of smlnj.
731       Other x86 versions can use the existing binfiles.
732    
733    ----------------------------------------------------------------------
734    Name: Matthias Blume
735    Date: 2003/04/08 15:42:00 CDT
736    Tag: blume-20030408-listpair
737    Description:
738    
739    1. Added a target 'mlrisc' to installer.
740    
741    2. Added missing elements to structure ListPair.
742    
743    ----------------------------------------------------------------------
744    Name: Allen Leung
745    Date: 2003/01/07 10:40:00 EST
746    Tag: leunga-20030107-int-rem
747    Description:
748    
749    Fixed a bug in Int.rem(x,y) where y is a power of 2 on x86.
750    The arguments to the SUBL instruction were swapped.
751    
752    ----------------------------------------------------------------------
753    Name: Matthias Blume
754    Date: 2002/12/12 16:25:00 EST
755    Tag: blume-20021212-risc-ra
756    Description:
757    
758    Fixed a serious bug in the rewrite code for FP spilling/reloading that
759    sent the RA into an infinite loop when floating point registers get
760    spilled.  (Because of this bug, e.g., nucleic stopped compiling between
761    110.37 and 110.38.)
762    There was another set of potential problems related to the handling of
763    MLRISC annotations (but those did not yet cause real problems, apparently).
764    
765    ----------------------------------------------------------------------
766    Name: Matthias Blume
767    Date: 2002/12/06 22:40:00 EST
768    Tag: blume-20021206-cm-fileid
769    Description:
770    
771    Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
772    This fixes the problem of CM getting confused by files that suddenly
773    change their identity (e.g., by getting unlinked and recreated by some
774    text editor such as vi).  There might be a better/cheaper/cleaner way
775    of doing this, but for now this will have to do.
776    
777    ----------------------------------------------------------------------
778    Name: Matthias Blume
779    Date: 2002/10/28 09:50:00 EST
780    Tag: blume-20021028-typecheck
781    Description:
782    
783    Exported structure Typecheck from $smlnj/viscomp/core.cm.
784    
785    ----------------------------------------------------------------------
786    Name: Matthias Blume
787    Date: 2002/10/17 09:10:00 EDT
788    Tag: Release_110_42
789    Description:
790    
791    In good old tradition, there has been a slight hiccup so that we have
792    to patch 110.42 after the fact.   The old release tag has been replaced
793    (see below).
794    
795    The change solves a problem with two competing approaches the
796    configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
797    each other's way.
798    
799    This change only affects the runtime system code and the installer script.
800    (No new bootfiles.)
801    
802    ----------------------------------------------------------------------
803    Name: Matthias Blume
804    Date: 2002/10/16 12:00:00 EDT
805    Tag: Release_110_42_removed
806    Description:
807    
808    New working release.  New bootfiles.
809    
810    ----------------------------------------------------------------------
811    Name: Matthias Blume
812    Date: 2002/10/10 13:10:00 EDT
813    Tag: blume-20021010-ppc-divs
814    Description:
815    
816    The mltree operator DIVS must be implemented with an overflow check on
817    the PPC because the hardware indicates divide-by-zero using "overflow" as
818    well.
819    
820    ----------------------------------------------------------------------
821    Name: Matthias Blume
822    Date: 2002/07/23 11:45:00
823    Tag: blume-20020723-smlnj-home
824    Description:
825    
826    Sml now senses the SMLNJ_HOME environment variable.  If this is set,
827    then the bin dir is assumed to be in $SMLNJ_HOME/bin and (unless
828    CM_PATHCONFIG is also set), the path configuration file is assumed
829    to be in $SMLNJ_HOME/lib/pathconfig.  This way one can easily move
830    the entire tree to some other place and everything will "just work".
831    
832    (Companion commands such as ml-build and ml-makedepend also sense this
833    variable.)
834    
835    ----------------------------------------------------------------------
836    Name: Matthias Blume
837    Date: 2002/07/12 21:19:00 EDT
838    Tag: blume-20020712-liveness
839    Description:
840    
841    Exported two useful "step" functions from liveness module (MLRISC).
842    
843    ----------------------------------------------------------------------
844    Name: Matthias Blume
845    Date: 2002/07/05 16:00 EDT
846    Tag: Release_110_41
847    Description:
848    
849    New working release.  New bootfiles.
850    
851    ----------------------------------------------------------------------
852    Name: Matthias Blume
853    Date: 2002/07/05 10:25:00 EDT
854    Tag: blume-20020705-btimp
855    Description:
856    
857    Exported structure BTImp from $smlnj/viscomp/debugprof.cm so that
858    other clients can set up backtracing support.
859    
860    ----------------------------------------------------------------------
861    Name: Matthias Blume
862    Date: 2002/06/25 17:23:00 EDT
863    Tag: blume-20020625-fpmax
864    Description:
865    
866    Fixed a bug in translation of INLMAX (and INLMIN) for the floating-point
867    case.  (The sense of the isNaN test was reversed -- which made min and
868    max always return their first argument.)
869    
870    ----------------------------------------------------------------------
871    Name: Matthias Blume
872    Date: 2002/06/11
873    Tag: blume-20020611-unixpath
874    Description:
875    
876    Back-ported OS.Path.{from,to}UnixPath from idlbasis-devel branch.
877    
878    ----------------------------------------------------------------------
879    Name: Matthias Blume
880    Date: 2002/06/10 16:35:00 EDT
881    Tag: blume-20020610-ieeereal
882    Description:
883    
884    I back-ported my implementation of IEEEReal.fromString from the
885    idlbasis-devel branch so that we can test it.
886    
887    Another small change is that ppDec tries to give more information
888    than just "<sig>" in the case of functors.  However, this code is
889    broken in some mysterious way if the functor's body's signature
890    has not been declared by ascription but gets inferred from the
891    implementation.  This needs fixing...
892    
893    ----------------------------------------------------------------------
894    Name: Matthias Blume
895    Date: 2002/05/31
896    Tag: blume-20020531-btrace-mode
897    Description:
898    
899    Resurrected SMLofNJ.Internals.BTrace.mode.  (It accidentally fell by
900    the wayside when I switched over to using Controls everywhere.)
901    
902    ----------------------------------------------------------------------
903    Name: Lal George
904    Date: 2002/05/23 12:21:40 EDT
905    Tag: george-20020523-visual-labels
906    Description:
907    
908    Labels are now displayed in the graphical output to make
909    the fall-through and target blocks obvious.
910    
911    ----------------------------------------------------------------------
912    Name: Matthias Blume
913    Date: 2002/05/22 11:03:00 EDT
914    Tag: blume-20020522-shrink
915    Description:
916    
917    John tweaked yesterday's fix for 1131 to handle an out-of-memory
918    situation that comes up when allocating huge arrays.
919    
920    ----------------------------------------------------------------------
921    Name: Matthias Blume
922    Date: 2002/05/21 16:00:00 EDT
923    Tag: Release_110_40
924    Description:
925    
926    New working release (110.40).  New bootfiles.
927    
928    [Also: John Reppy fixed GC bug 1131.]
929    
930    ----------------------------------------------------------------------
931    Name: Matthias Blume
932    Date: 2002/05/21 12:35:00 EDT
933    Tag: blume-20020521-cmdoc
934    Description:
935    
936    CM documentation update.
937    
938    ----------------------------------------------------------------------
939    Name: Matthias Blume
940    Date: 2002/05/21 10:55:00 EDT
941    Tag: blume-20020521-misc
942    Description:
943    
944    - John tweaked runtime to be silent on heap export (except when
945      GC messages are on).
946    - I added a few more things (cross-compiling versions of CMB) to
947      config/preloads (as suggestions).
948    
949    ----------------------------------------------------------------------
950    Name: Matthias Blume
951    Date: 2002/05/20 22:25:00 EDT
952    Tag: blume-20020520-controls
953    Description:
954    
955    - Added ControlUtil structure to control-lib.cm.
956    - Use it throughout.
957    - Used Controls facility to define MLRISC controls (as opposed to
958      registering MLRISC control ref cells with Controls after the fact)
959    - Fixed messed-up controls priorities.
960    
961    * Removed again all the stuff from config/preloads that one wouldn't
962      be able to preload at the time the initial heap image is built.
963      (Many libraries, e.g., CML, do not exist yet at this time.  The
964       only libraries that can be preloaded via config/preloads are those
965       that come bundled with the bootfiles.)
966    
967    ----------------------------------------------------------------------
968    Name: Matthias Blume
969    Date: 2002/05/20 10:59:00 EDT
970    Tag: blume-20020520-preloads
971    Description:
972    
973    Added a lot of commented-out suggestions for things to be included
974    in config/preloads.
975    
976    ----------------------------------------------------------------------
977    Name: Allen Leung
978    Date: 2002/05/18 14:20:00 EDT
979    Tag: leunga-20020518-mdl
980    Description:
981    
982    o Made the mdl tool stuff compile and run again.
983    o I've disabled all the stuff that depends on RTL specifications; they
984      are all badly broken anyway.
985    
986    ----------------------------------------------------------------------
987  Name: Matthias Blume  Name: Matthias Blume
988  Date: 2002/05/17 16:49:00 EDT  Date: 2002/05/17 16:49:00 EDT
989  Tag: blume-20020517-controls  Tag: blume-20020517-controls

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