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[smlnj] Diff of /sml/trunk/NOTES/HISTORY
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Diff of /sml/trunk/NOTES/HISTORY

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revision 1494, Thu May 20 03:09:17 2004 UTC revision 1783, Wed May 4 15:32:16 2005 UTC
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14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16  Name: Matthias Blume (blume (at) tti - c (dot) org)  Name: Matthias Blume (blume (at) tti - c (dot) org)
17    Date: 2005/05/04 10:35:00 CDT
18    Tag: blume-20050504-join
19    Description:
20    
21    Added a "join" combinator to the ParserComb module in smlnj-lib.cm.
22    
23    ----------------------------------------------------------------------
24    Name: Matthias Blume (blume (at) tti - c (dot) org)
25    Date: 2005/02/28 23:40:00 CST
26    Tag: blume-20050228-mVar
27    Description:
28    
29    Fixed serious bug (brown paper bag variety) in new implementation of
30    structure Atom in CML.  (I had accidentally used a mailbox instead of
31    an mvar, leaving the door open for races.)
32    
33    ----------------------------------------------------------------------
34    Name: Matthias Blume (blume (at) tti - c (dot) org)
35    Date: 2005/02/25 15:00:00 CST
36    Tag: Release_110_53
37    Description:
38    
39    New working version (110.53).  NEW BOOTFILES!
40    
41    ----------------------------------------------------------------------
42    Name: Matthias Blume (blume (at) tti - c (dot) org)
43    Date: 2005/02/25 14:50:00 CST
44    Tag: blume-20050225-susp
45    Description:
46    
47    Brought back SMLofNJ.Susp.  The underlying suspension type is the one
48    implemented in Core -- which means that it is the same as the one used
49    by the lazy extension.
50    
51    ----------------------------------------------------------------------
52    Name: Matthias Blume (blume (at) tti - c (dot) org)
53    Date: 2005/02/24 16:50:00 CST
54    Tag: blume-20050224-cml-atom
55    Description:
56    
57    Simpler and at the same time more general implementation of structure
58    Atom in CML.
59    
60    ----------------------------------------------------------------------
61    Name: Matthias Blume (blume (at) tti - c (dot) org)
62    Date: 2005/02/15 17:35:00 CST
63    Tag: blume-20050215-tools
64    Description:
65    
66    Created new "tools" directory under "src" and moved "TraceDebugProf"
67    there.
68    
69    ----------------------------------------------------------------------
70    Name: Matthias Blume (blume (at) tti - c (dot) org)
71    Date: 2005/02/10 17:55:00 CST
72    Tag: blume-20050210-longlong
73    Description:
74    
75    Implemented "long long" arguments and results for NLFFI.  (Only the
76    PPC/MacOS implementation is complete, the other backends still need to
77    be updated.)
78    
79    ----------------------------------------------------------------------
80    Name: Matthias Blume (blume (at) tti - c (dot) org)
81    Date: 2005/01/24 17:40:00 CST
82    Tag: blume-20050124-mlyacc
83    Description:
84    
85    Minor cleanup in ML-Yacc rule printing mechanism.  This should fix a
86    problem with certain "as" patterns which previously got rendered
87    using incorrect syntax.
88    
89    ----------------------------------------------------------------------
90    Name: Matthias Blume (blume (at) tti - c (dot) org)
91    Date: 2005/01/18 12:00:00 CST
92    Tag: blume-20050118-profile
93    Description:
94    
95    Made time profiling code (interrupt handler) in runtime system aware
96    of new array representation.
97    
98    ----------------------------------------------------------------------
99    Name: Matthias Blume (blume (at) tti - c (dot) org)
100    Date: 2005/01/14 18:00:00 CST
101    Tag: blume-20050114-heap2exec
102    Description:
103    
104    Implemented new (but still experimental) heap2exec facility.  This is
105    tested under Mac OS X and should work under Linux (will test shortly).
106    It will probably also work on the Sparc (will test some time later).
107    
108      - removed old "HACKED_STANDALONE" hack from runtime
109    
110    To be able to test this, uncomment the request for "heap2asm" in
111    config/targets prior to installation.  (Notice that this is different
112    from "heap2exec" mentioned below.  Not a typo.)
113    
114    To perform an actual test, run the command
115    
116       $ bin/heap2exec heapfile execfile
117    
118    (You can put heap2exec on your shell's path.)
119    
120    For example, run
121    
122      $ bin/heap2exec bin/.heap/ml-yacc.ppc-darwin mly
123    
124    This will create a standalone executable called "mly" which you can
125    then invoke directly as a command.
126    
127    ----------------------------------------------------------------------
128    Name: Matthias Blume (blume (at) tti - c (dot) org)
129    Date: 2005/01/07 11:44:00 CST
130    Tag: blume-20050107-mlstring
131    Description:
132    
133    fixed off-by-one error in ML_STRING macro (globals.c)
134    
135    ----------------------------------------------------------------------
136    Name: Matthias Blume (blume (at) tti - c (dot) org)
137    Date: 2004/12/23 18:00:00 CST
138    Tag: blume-20041223-santa
139    Description:
140    
141    Made ml-build script "smarter" (but only very little).
142    
143    ----------------------------------------------------------------------
144    Name: Matthias Blume (blume (at) tti - c (dot) org)
145    Date: 2004/12/21 15:05:00 CST
146    Tag: blume-20041221-longlong
147    Description:
148    
149    * Implemented access to signed and unsigned long long data in NLFFI.
150    (The parameter-passing part of the picture has not complete. But
151    data structure access seems to work.)
152    
153    * Fixed CM's incorrect assumption that the PPC is little-endian.
154      (On the Mac, it is big-endian.  And that's currently our only
155      PPC platform.)
156    
157    ----------------------------------------------------------------------
158    Name: Matthias Blume (blume (at) tti - c (dot) org)
159    Date: 2004/12/21 12:50:00 CST
160    Tag: blume-20041221-memory
161    Description:
162    
163    Some cleanup in the $c/memory.cm library: separated some concerns by
164    moving allocation code and memory access code each into their own
165    files.
166    
167    ----------------------------------------------------------------------
168    Name: Allen Leung (leunga (at) reservoir (dot) com)
169    Date: 2004/12/17 16:12:00 EST
170    Tag: leunga-20041217-cygwin-smlnj-home
171    Description:
172    
173        The Unix I/O library of SML/NJ on cygwin does not understand
174    Windows style pathname, so problems arise when SMLNJ_HOME is set
175    to a Windows style pathname.  _run-sml now converts SMLNJ_HOME
176    to a POSIX pathname on cygwin.
177    
178    ----------------------------------------------------------------------
179    Name: Matthias Blume (blume (at) tti - c (dot) org)
180    Date: 2004/12/16 13:35:00 CST
181    Tag: Release_110_52
182    Description:
183    
184    Last-minute changes incorporated into 110.52.  Release tag moved.
185    
186    The changes:
187       - HashString.hashString' -> HashString.hashSubstring
188       - bug fix in UnivariateStats
189    
190    ----------------------------------------------------------------------
191    Name: Matthias Blume (blume (at) tti - c (dot) org)
192    Date: 2004/12/15 23:40:00 CST
193    Tag: blume-20041215-hashSubstring
194    Description:
195    
196    - HashString.hashString' -> HashString.hashSubstring
197    - corresponding changes in atom.sml
198    - "de-compressed" (aka. un-obfuscated) code for UnivariateStats and
199      added some comments
200    
201    ----------------------------------------------------------------------
202    Name: Matthias Blume (blume (at) tti - c (dot) org)
203    Date: 2004/12/15 15:30:00 CST
204    Tag: (Release_110_52)
205    Description:
206    
207    New working version (110.52).  NEW BOOTFILES!
208    
209    ----------------------------------------------------------------------
210    Name: Matthias Blume (blume (at) tti - c (dot) org)
211    Date: 2004/12/15 12:45:00 CST
212    Tag: blume-20041215-spaces
213    Description:
214    
215    More on the space problem (this time for Win32).
216    
217    ----------------------------------------------------------------------
218    Name: Matthias Blume (blume (at) tti - c (dot) org)
219    Date: 2004/12/14 17:30:00 CST
220    Tag: blume-20041214-spaces
221    Description:
222    
223    Hacked some of the scripts (in particular: the installer) to cope with
224    spaces in filenames a bit better.  But beware: the current "solution"
225    is likely still full of bugs and inherently incomplete.  (We need to
226    do away with those shell scripts for a comprehensive solution.)
227    
228    ----------------------------------------------------------------------
229    Name: Matthias Blume (blume (at) tti - c (dot) org)
230    Date: 2004/12/13 14:45:00 CST
231    Tag: blume-20041213-ml-makedepend
232    Description:
233    
234    Fixed bug in code for ml-makedepend.
235    
236    ----------------------------------------------------------------------
237    Name: Matthias Blume (blume (at) tti - c (dot) org)
238    Date: 2004/12/09 16:30:00 CST
239    Tag: blume-20041209-statistics
240    Description:
241    
242    Added two simple but potentially useful statistics modules to SML/NJ Library.
243    (See CHANGES file there.)
244    
245    ----------------------------------------------------------------------
246    Name: Matthias Blume (blume (at) tti - c (dot) org)
247    Date: 2004/12/01 16:50:00 CST
248    Tag: blume-20041201-atom
249    Description:
250    
251    smlnj-lib:
252    
253      Added function HashString.hashString' for substrings.
254      Hand-inlined CharVector.foldl into HashString (for speed).
255      Modified implementation of structure Atom to avoid extracting
256      strings from substrings unless necessary.
257      (Also see CHANGES file for smlnj-lib.)
258    
259    ----------------------------------------------------------------------
260    Name: Matthias Blume (blume (at) tti - c (dot) org)
261    Date: 2004/11/24 22:15:00 CST
262    Tag: blume-20041124-cml
263    Description:
264    
265    Made sure CML compiles when Position = Int64.
266    
267    ----------------------------------------------------------------------
268    Name: Matthias Blume (blume (at) tti - c (dot) org)
269    Date: 2004/11/24 14:30:00 CST
270    Tag: blume-20041124-position
271    Description:
272    
273    The compiler can now be compiled in a mode that makes structure Position
274    equal to Int64.  The default, however, is unchanged (Position = Int31)
275    for the time being.
276    
277    To enable 64-bit positions, use the following procedure:
278    
279    1. Start sml
280    2. Autoload $smlnj/cmb.cm (if not already autoloaded)
281    3. Type
282          #set (CMB.symval "USE_64_BIT_POSITIONS") (SOME 1);
283    4. Run CMB.make() as usual.
284    
285    This is barely tested.  The only test so far was a little SML program
286    counting the number of characters in an 8-gigabyte file by
287    reading it character-by-character.  That test was successful.
288    
289    In support of 64-bit positions, a number of new functions have been
290    added to the runtime system.
291    
292    ----------------------------------------------------------------------
293    Name: Matthias Blume (blume (at) tti - c (dot) org)
294    Date: 2004/11/23 14:45:00 CST
295    Tag: blume-20041123-useFile
296    Description:
297    
298    Fixed a problem with unhelpful error messages related to problems with
299    .cm- or .sml files that appear as part of the sml command line.
300    
301    ----------------------------------------------------------------------
302    Name: Matthias Blume (blume (at) tti - c (dot) org)
303    Date: 2004/11/18 15:40:00 CST
304    Tag: Release_110_51
305    Description:
306    
307    New working version (110.51).  NEW BOOTFILES!
308    
309    ----------------------------------------------------------------------
310    Name: Matthias Blume (blume (at) tti - c (dot) org)
311    Date: 2004/11/18 15:35:00 CST
312    Tag: <none>
313    Description:
314    
315    Enabled dlopen and friends for FreeBSD (as recommended by Johannes 5
316    Joemann).
317    
318    ----------------------------------------------------------------------
319    Name: Allen Leung (leunga (at) reservoir (dot) com)
320    Date: 2004/11/17 16:05:21 EST 2004
321    Tag: leunga-20041117-mlrisc-live-kill
322    Description:
323    
324       Added support for MLTree constructs LIVE and KILL
325    to all the architectures.
326    
327    ----------------------------------------------------------------------
328    Name: Matthias Blume (blume (at) tti - c (dot) org)
329    Date: 2004/11/13 00:20:00 CST
330    Tag: blume-20041113-versiontool
331    Description:
332    
333    - Stripped down the versiontool: It now only handles the version number.
334      The date string is generated at bootstrap time (during makeml).
335    
336    - In a previous commit, fixed a minor issue with how polyequal is being
337      translated.  In particular, the code now "looks through" abstractions.
338      This results in slightly fewer polyEqual warnings and hopefully slightly
339      more efficient code.  Important examples for where this matters are
340      the new int64 and word64 types.
341    
342    ----------------------------------------------------------------------
343    Name: Matthias Blume (blume (at) tti - c (dot) org)
344    Date: 2004/11/12 00:30:00 CST
345    Tag: blume-20041112-int64
346    Description:
347    
348    Structure Int64 fully hooked in.  (The implementation is not very
349    efficient, though.)
350    
351    ----------------------------------------------------------------------
352    Name: Matthias Blume (blume (at) tti - c (dot) org)
353    Date: 2004/11/11 17:30:00 CST
354    Tag: blume-20041111-more64
355    Description:
356    
357    All the pieces of Word64 are now there, with the exception of the
358    conversions from and to LargeWord. (Eventually these need to be identities,
359    but for the time being they don't even make sense because LargeWord is
360    32-bit wide.)
361    
362    Also started to add similar support for Int64, but major pieces of that
363    are still missing.
364    
365    ----------------------------------------------------------------------
366    Name: Matthias Blume (blume (at) tti - c (dot) org)
367    Date: 2004/11/11 00:15:00 CST
368    Tag: blume-20041111-word64
369    Description:
370    
371    Structure Word64 is now (almost) complete, word literals and patterns
372    seem to work.  There are a few odd pieces missing.  In particular,
373    I didn't do the {from,to}LargeWord parts because LargeWord is still Word32
374    at the moment.
375    
376    Making Word64 official would mean that LargeWord becomes Word64.  But
377    this requires extreme care because most word-word conversions have to
378    go through LargeWord, so making a mistake means loss of efficiency or
379    worse.  Eventually there will be a solution similar to (but actually
380    simpler than) what I did with IntInf.
381    
382    ----------------------------------------------------------------------
383    Name: Matthias Blume (blume (at) tti - c (dot) org)
384    Date: 2004/11/10 18:12:00 CST
385    Tag: blume-20041110-64bit
386    Description:
387    
388    More 64-bit hacking (but still not even half-way there yet).
389    Also, some assorted improvements to the handling of 8-bit words.
390    
391    ----------------------------------------------------------------------
392    Name: Matthias Blume (blume (at) tti - c (dot) org)
393    Date: 2004/11/09 17:50:00 CST
394    Tag: <none>
395    Description:
396    
397    Started adding some infrastructure for supporting 64-bit int- and
398    word-types.  (Still in its very early stages.)
399    
400    ----------------------------------------------------------------------
401    Name: Matthias Blume (blume (at) tti - c (dot) org)
402    Date: 2004/10/28 10:45:00 CDT
403    Tag: Release_110_50
404    Description:
405    
406    New working version (110.50).  NEW BOOTFILES!
407    
408                 =====================
409    
410    Also:
411    
412      - Changend config/srcarchiveurl from a file just
413        containing the URL string into a file containing
414        shell script code.  The code has access to the $VERSION variable.
415      - Made corresponding changes to config/install.sh and config/unpack.
416      - Default contents of config/srcarchiveurl uses $VERSION and
417        normally does not have to be edited to reflect a version change.
418    
419      (As a result, a version change can be done by just editing
420       config/version, the rest is now automatic.)
421    
422    ----------------------------------------------------------------------
423    Name: Matthias Blume (blume (at) tti - c (dot) org)
424    Date: 2004/10/27 17:50:00 CDT
425    Tag: blume-20041027-btrace-msg
426    Description:
427    
428    BackTrace.monitor now also reports the source of the exception that
429    triggered the trace.
430    
431    ----------------------------------------------------------------------
432    Name: Matthias Blume (blume (at) tti - c (dot) org)
433    Date: 2004/10/27 17:20:00 CDT
434    Tag: blume-20041027-x86-c-calls
435    Description:
436    
437    This is the HISTORY entry for two earlier commits, both concerning
438    the x86 c-calls code in MLRISC:
439    
440      - added a missing LOAD in the code that deals with struct arguments
441      - made sure the caller does not add the wrong number of bytes to the
442        stack pointer after a call of a function returning a struct
443        (the callee already pops the implicit argument which points to
444         the space reserved for the result)
445    
446    ----------------------------------------------------------------------
447    Name: Allen Leung (leunga (at) reservoir (dot) com)
448    Date: 2004/10/24 14:00:00 EST
449    Tag: leunga-20041024-x86-gas-fucomip
450    Description:
451    
452       John discovered a bug in the syntax of fucomip.
453       The opcodes FU?COMIP? have been changed to
454    
455           fu?comip? %st(i), %st
456    
457    ----------------------------------------------------------------------
458    Name: Matthias Blume (blume (at) tti - c (dot) org)
459    Date: 2004/10/20 15:06:00 CDT
460    Tag: blume-20041020-standalone-backtrace
461    Description:
462    
463    Added a mechanism for getting back-trace information from standalone
464    programs.  Here is how it works:
465    
466       1. The part of the program from which you want to get backtrace
467          information (usually the whole program) should be wrapped with
468          BackTrace.monitor.  This is a (unit->'a)->'a function, and your
469          main program could be modified from something like
470    
471             fun main (pgm, args) = ...
472    
473         to
474    
475            fun main (pgm, args) = BackTrace.monitor (fn () => ...)
476    
477       2. To be able to access BackTrace.monitor, you have to add
478          library $smlnj-tdp/plugins.cm to the .cm file that contains your
479          main function.
480    
481       3. Remove all compiled code (i.e., all the .cm/ subdirectories that
482          CM might have created in the past for your project).
483    
484       4. Build the system using this command line:
485    
486             ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
487                      myprog.cm MyProg.main myprog
488    
489          instead of the usual
490    
491             ml-build myprog.cm MyProg.main myprog
492    
493    I changed a library name:
494    
495       $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
496    
497    New libraries:
498    
499       $smlnj-tdp/back-trace.cm
500          -- when loaded causes the back-trace plugin to be installed
501       $smlnj-tdp/coverage.cm
502          -- when loaded causes the coverage plugin to be installed
503    
504    ----------------------------------------------------------------------
505    Name: Matthias Blume (blume (at) tti - c (dot) org)
506    Date: 2004/10/18 16:45:00 CDT
507    Tag: blume-20041018-groupowner
508    Description:
509    
510    Added an "obsolete" warning for the "group owner" syntax to CM's parser.
511    
512    Eliminated group owner specs from .cm files throughout the source tree.
513    
514    ----------------------------------------------------------------------
515    Name: Matthias Blume (blume (at) tti - c (dot) org)
516    Date: 2004/10/15 15:45:00 CDT
517    Tag: blume-20041015-coverage
518    Description:
519    
520    * Test coverage tool added!
521    * Further reorganization of tracing-, debugging-, and profiling support:
522    
523        - moved original BTImp -- now called BackTrace -- into a separate
524          library called $/trace-debug-profile.cm
525        - eliminated all mentions of BTrace from SMLofNJ.Internals
526        - only the instrumentation mechanism is now left in the compiler proper
527        - BackTrace module is a plugin which is NOT plugged in by default
528        - Coverage module is another such plugin
529    
530    To get the benefits of any of these plugin modules, the code in
531    question must be compiled with tdp instrumentation turned on.  This
532    can be done by setting SMLofNJ.Internals.TDP.mode to true.
533    (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
534    
535    Plugins are selected at link time.  (Pre-compiled instrumented code
536    can be re-loaded with different plugins in effect.)  When an
537    instrumented module is linked, whatever plugins are at that time
538    enabled will come into effect for that module.
539    
540    To enable the back-trace plugin, load library $/trace-debug-profile.cm
541    and invoke BackTrace.install() (e.g., from the interactive prompt).
542    To enable the coverage plugin, load the same library and invoke
543    Coverage.install().
544    
545    Back-traces are generated automatically on uncaught exceptions and
546    when the code in question explicitly invokes BackTrace.trigger().
547    
548    Coverage (and execution frequency-) information must be queried
549    explicitly by calling Coverage.not_covered and Coverage.hot_spots.
550    
551    ----------------------------------------------------------------------
552    Name: Matthias Blume (blume (at) tti - c (dot) org)
553    Date: 2004/10/14 17:40:00 CDT
554    Tag: blume-20041014-tdp-core
555    Description:
556    
557    Snapshot of a significant overhaul of how the trace/debug/profile support
558    is hooked into the system (specifically: Core and SMLofNJ.Internals).
559    
560    ----------------------------------------------------------------------
561    Name: Matthias Blume (blume (at) tti - c (dot) org)
562    Date: 2004/10/13 16:34:00 CDT
563    Tag: blume-20041013-tdp
564    Description:
565    
566    Some rationalization of names:
567    
568       structure BTrace -> structure TDPInstrument
569       etc.
570    
571    This is is preparation of using the original back-trace
572    instrumentation for other purposes.  "TDP" stands for
573    Trace/Debug/Profile.
574    
575    The control flag controlling whether instrumentation is on or off is now
576    registered under a different name, so instead of running sml as
577    
578     sml -Cinstrument.btrace-mode=true
579    
580    one has to say
581    
582     sml -Ctdp.instrument=true
583    
584    ----------------------------------------------------------------------
585    Name: Matthias Blume (blume (at) tti - c (dot) org)
586    Date: 2004/10/11 16:37:00 CDT
587    Tag: blume-20041011-regions
588    Description:
589    
590    Made some minor modifications to elabcore.sml to have source regions
591    be propagated more tightly -- resulting in better (i.e., smaller)
592    regions being reported in error- and debug messages.
593    
594    ----------------------------------------------------------------------
595    Name: Matthias Blume (blume (at) tti - c (dot) org)
596    Date: 2004/10/08 22:50:00 CDT
597    Tag: blume-20041008-cmkw
598    Description:
599    
600    Fixed handling of keywords in .cm files: After seeing "is" the lexer
601    treats subsequent occurrences of "group", "library", "source", "is",
602    "*", and "-" as ordinary identifiers rather than keywords.
603    
604    Most seriously, this fixes a problem with CM's "shell" tool.  The tool
605    is supposed to accept a tool argument called "source", but this did
606    not work because of the clash with the keyword.
607    
608    ----------------------------------------------------------------------
609    Name: Matthias Blume (blume (at) tti - c (dot) org)
610    Date: 2004/10/07 16:00:00 CDT
611    Tag: blume-20041007-cleanup
612    Description:
613    
614    Assorted cleanup work:
615    
616      - got rid of intstrmap in favor of using the library's
617        hash table implementation
618      - threw out most of the pathnames stuff, as it was not used anyway
619      - simplified tokentable implementation
620      - fixed some minor spelling errors
621    
622    ----------------------------------------------------------------------
623    Name: Matthias Blume (blume (at) tti - c (dot) org)
624    Date: 2004/10/06 15:15:15 CDT
625    Tag: blume-20041006-handler
626    Description:
627    
628    Cleaned up the absyn to reflect the invariant that HANDLE always
629    carries a FNexp as part of the type definition.  This eliminates some
630    superfluous sanity checks at runtime down the road.
631    
632    Some minor cleanup of the btrace code.
633    
634    ----------------------------------------------------------------------
635    Name: Matthias Blume (blume (at) tti - c (dot) org)
636    Date: 2004/10/01 10:20:30 CDT
637    Tag: blume-20041001-slave
638    Description:
639    
640    Added hack to make slave mode work in the presence of the version
641    tool.  (Still, since the master does two passes over the code for
642    CMB.make, the release number gets bumped twice when slaves are
643    attached.  I don't know if this is worth fixing...)
644    
645    ----------------------------------------------------------------------
646    Name: Matthias Blume (blume (at) tti - c (dot) org)
647    Date: 2004/09/30 10:55:00 CDT
648    Tag: blume-20040930-version
649    Description:
650    
651    * Moved the "version" magic into its own little library under
652      src/system/smlnj/internal.  This avoids expensive reconstruction of
653      a stable src/compiler/core.cm.
654    
655    * At the same time, structure CompilerVersion is now known as
656      structure SMLNJVersion.
657    
658    * Arranged for the version tool to NOT kick in when rebuilding the system
659      (makeml -rebuild, fixpt).  Otherwise one would never reach a fixpoint.
660      Also, loading the versiontool does not work when rebuilding the system
661      because CM is not properly initialized at that time.
662    
663    ----------------------------------------------------------------------
664    Name: Matthias Blume (blume (at) tti - c (dot) org)
665    Date: 2004/09/29 14:00:00 CDT
666    Tag: blume-20040929-autoversion
667    Description:
668    
669    Implemented some CM magic to have
670        file src/compiler/TopLevel/main/version.sml
671    generated automagically.
672    The version is taken from two files: config/version and config/release.
673    The first is expected to contain a two-part version number such as 110.49.
674    The second should contain a single number, but it may be missing.
675    
676    If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
677    time the version tool is loaded (which is the first time you say CMB.make),
678    then the tool will increment the value stored in config/release every
679    time CMB.make is invoked.
680    
681    The binfile format is now insensitive to anything beyond the first
682    two components of a version number, so bumping the release does not render
683    binfiles incompatible.  Auto-bumping can be used to keep track of versions
684    during development without invalidating existing binfiles.
685    
686    In any case, every CMB.make updates the date information in version.sml.
687    (This is the date that is printed in the banner.)
688    
689    ----------------------------------------------------------------------
690    Name: Matthias Blume (blume (at) tti - c (dot) org)
691    Date: 2004/09/28 10:53:00 CDT
692    Tag: blume-20040928-controls
693    Description:
694    
695    Some cleanup of the controls code.
696    
697    ----------------------------------------------------------------------
698    Name: Matthias Blume (blume (at) tti - c (dot) org)
699    Date: 2004/09/27 22:08:00 CDT
700    Tag: blume-20040927-controls
701    Description:
702    
703    Added two pieces of functionality to the Controls interface:
704    
705    1.   val save'restore: 'a control -> unit -> unit
706    
707       grabs the current value of the control in stage 1 and restores it
708       in stage 2.
709    
710    2.   val set' : 'a control * 'a -> unit -> unit
711    
712       stores the given value into the control in stage 2 (i.e., delayed)
713       but does all error checking in stage 1.
714       (This is for string controls that need to do parse their argument --
715        something that might fail.  In some cases, notably in CM, one
716        already knows the intended argument but wants to delay the actual
717        assignment until a time when error recovery would be more difficult.)
718    
719    Changed the handling of controls in tool arguments to classes "sml" and
720    "lazysml":
721       - use Controls.save'restore as a more robust way of restoring the
722         old value (in particular: without having to re-parse the string)
723       - use controls to handle the "overload" keyword in the init group
724         (I believe this change actually fixes a long-standing obscure bug.)
725    
726    ----------------------------------------------------------------------
727    Name: Matthias Blume (blume (at) tti - c (dot) org)
728    Date: 2004/09/27 17:00:00 CDT
729    Tag: blume-20040927-lazysml
730    Description:
731    
732    Added a new tool class called "lazysml" to CM's tool chest.  The only
733    difference to "sml" is that compilation is done with Control.lazysml
734    set to true.  A source of class "lazysml" is automatically recognized
735    by a file name suffix of ".lml".
736    
737    In addition to the above feature, the original class "sml" now also
738    supports a tool argument "lazy" which has the same effect.  As a
739    result, the following three lines are equivalent:
740    
741        foo.sml : lazysml
742        foo.sml : sml (lazy)
743        foo.sml (lazy)
744    
745    The setting goes into effect both during parsing and during
746    compilation.  The original setting is restored right after parsing and
747    after compilation, respectively.
748    
749    In addition to all the above, there is also a general mechanism to set
750    ANY of the "controls" that are available at the command line via
751    "-C..." on a per-sml-file basis.  The same rules that apply for "lazy"
752    apply as well. (In fact, "lazy" is implemented as a special case of
753    the general mechanism.)
754    
755    The .cm file syntax uses a new keyword tool argument called "with".
756    There are several ways of indicating the desired settings:
757    
758        foo.sml (with:parser.quotations=true)
759        foo.sml (with:(name:parser.quotations value:true))
760        foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
761        foo.sml (with:(name1=value1 name2=value2 ...))
762        foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
763    
764        etc.
765    
766    Another possible abbreviation is to leave out the =v or value:v part
767    if the name refers to a boolean control (in which case the value is
768    taken to be true).  Thus, one could get lazy sml also by saying:
769    
770        foo.sml (with:parser.lazy-keyword=true)
771        foo.sml (with:parser.lazy-keyword)
772        foo.sml (with:(name:parser.lazy-keyword value:true))
773        foo.sml (with:(name:parser.lazy-keyword))
774    
775    ----------------------------------------------------------------------
776    Name: Matthias Blume (blume (at) tti - c (dot) org)
777    Date: 2004/09/24 16:22:00 CDT
778    Tag: blume-20040924-ppc-long-branch
779    Description:
780    
781    Turned message about "emiting long form of branch" off by default.
782    Added a control flag to turn it back on when desired.
783    
784    ----------------------------------------------------------------------
785    Name: Matthias Blume (blume (at) tti - c (dot) org)
786    Date: 2004/09/24 16:05:00 CDT
787    Tag: blume-20040924-rounding
788    Description:
789    
790    Applied patch for setting rounding modes under Mac OS X.  Thanks to
791    Melissa O'Neill for providing the code!
792    
793    ----------------------------------------------------------------------
794    Name: Matthias Blume (blume (at) tti - c (dot) org)
795    Date: 2004/09/23 17:30:00 CDT
796    Tag: blume-20040923-envvars
797    Description:
798    
799    1. Changed definition of type ControlRegistry.registry_tree to
800       include control_info (i.e., the name of the controlling environment
801       variable).
802    
803    2. Added command-line flags -e and -E to print the names of environment
804       variables that can be used to control internal settings.
805       (This uses the new API mentioned in 1.)
806    
807    ----------------------------------------------------------------------
808    Name: Matthias Blume (blume (at) tti - c (dot) org)
809    Date: 2004/09/13 16:50:00 CDT
810    Tag: Release_110_49
811    Description:
812    
813    New working version (110.49).  NEW BOOTFILES!
814    
815    ----------------------------------------------------------------------
816    Name: Matthias Blume
817    Date: 2004/09/13 16:20:00 CDT
818    Tag: blume-20040913-config-mlrisc
819    Description:
820    
821    Put target "mlrisc" back into the default list.
822    (There is no harm in having it, and some users have expressed their
823    wish to have "mlrisc" included by default.)
824    
825    ----------------------------------------------------------------------
826    Name: John Reppy
827    Date: 2004/09/13
828    Tag: jhr-20040913-signals
829    Description:
830    
831    Fixed the signal masking code to properly nest mask/unmask operations
832    on a per-signal basis.
833    
834    ----------------------------------------------------------------------
835    Name: Matthias Blume (blume (at) tti - c (dot) org)
836    Date: 2004/09/08 13:20:00 CDT
837    Tag: blume-20040908-heap-magic
838    Description:
839    
840    Bumped the heap macig number to 0x09082004 to account for the changed
841    layout of the ML frame under MacOS X.
842    
843    ----------------------------------------------------------------------
844    Name: Allen Leung (leunga (at) reservoir (dot) com)
845    Date: 2004/09/03 11:26:00 EST
846    Tag: leunga-20040903-cygwin-install
847    Description:
848    
849       Added a patch to _arch-n-opsys to enable the Cygwin runtime.
850    The Cygwin runtime is turned on by setting the environment
851    variable SMLNJ_CYGWIN_RUNTIME to 1.
852    
853    ----------------------------------------------------------------------
854    Name: Matthias Blume (blume (at) tti - c (dot) org)
855    Date: 2004/08/31 17:15:00 CDT
856    Tag: blume-20040831-core
857    Description:
858    
859    Added some exports to src/compiler/core.cm upon request by J. Joemann.
860    
861    ----------------------------------------------------------------------
862    Name: Matthias Blume (blume (at) tti - c (dot) org)
863    Date: 2004/08/30 17:55:00 CDT
864    Tag: blume-20040830-installer
865    Description:
866    
867    Upon request by Johannes Joemann:
868    
869    - improved ML code of installer to fall back to coping when renaming
870      fails (i.e., when source and target are on different file systems);
871      the code compiles but has yet to be tested in anger
872    - removed mlrisc from list of default targets (config/targets)
873    
874    ----------------------------------------------------------------------
875    Name: Matthias Blume (blume (at) tti - c (dot) org)
876    Date: 2004/08/27 17:20:00 CDT
877    Tag: blume-20040827-ptreql
878    Description:
879    
880    Added ptreql primop to structure InlineT (upon request from Larry
881    Paulson).
882    
883    ----------------------------------------------------------------------
884    Name: Allen Leung (leunga (at) reservoir (dot) com)
885    Date: 2004/08/15 21:21:00 EST
886    Tag: leunga-110_48-udgraph
887    Description:
888    
889    Another bug fix from Carl Hauser:
890    
891    diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
892    > 48c48
893    > <              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
894    > e::L)
895    > ---
896    > >              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
897    > Without this, any deletion of an edge in an undirected graph does severe
898    > violence to the graph.
899    
900    ----------------------------------------------------------------------
901    Name: Allen Leung (leunga (at) reservoir (dot) com)
902    Date: 2004/08/10 23:35:00 EST
903    Tag: leunga-110_48-ppc
904    Description:
905    
906       The IBM/MacOS syntax switch on PPC was incorrectly swapped.
907    
908    ----------------------------------------------------------------------
909    Name: Matthias Blume (blume (at) tti - c (dot) org)
910    Date: 2004/08/10 12:00:00 CDT
911    Tag: Release_110_48
912    Description:
913    
914    New working version (110.48).  NEW BOOTFILES!
915    
916    ----------------------------------------------------------------------
917    Name: Allen Leung (leunga (at) reservoir (dot) com)
918    Date: 2004/08/09 12:21:00 EST
919    Tag: leunga-110_47-dijsktra
920    Description:
921    
922    Bug fix from Carl Hauser:
923    
924    single_source_shortest_paths in dijkstra.sml was observed to get wrong
925    answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
926    
927    The problem is that following the expression A.update(dist,s,Num.zero)
928    it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
929    
930    ----------------------------------------------------------------------
931    Name: Matthias Blume (blume (at) tti - c (dot) org)
932    Date: 2004/08/06 18:10:00 CDT
933    Tag: blume-20040806-cmdline
934    Description:
935    
936    Fiddled with handling of command-line options:
937    
938      * sml now quits after processing the command line
939        if -H, -S, -h<n>, or -s<n> appears as the last
940        command-line argument
941      * a new option -q terminates the session when encountered on
942        the command line; subsequent arguments will be ignored
943      * bug fixes: short (erroneous) arguments are no longer ignored
944        completely
945    
946    ----------------------------------------------------------------------
947    Name: Allen Leung (leunga (at) reservoir (dot) com)
948    Date: 2004/08/04 18:17:00 EST
949    Tag: leunga-110_47-ppc-ibm-asm
950    Description:
951    
952      - Added minimal IBM assembly syntax support for PowerPC.
953    
954      - Cygwin: manually changed the file cygwin.def.  Some exported symbols have
955        been altered in the runtime.  We need an automatic way to keep the file
956        in sync.
957    
958    ----------------------------------------------------------------------
959    Name: Matthias Blume (blume (at) tti - c (dot) org)
960    Date: 2004/08/04 14:00:00 CDT
961    Tag: Release_110_47
962    Description:
963    
964    New working version (110.47).  NEW BOOTFILES!
965    
966    ----------------------------------------------------------------------
967    Name: Matthias Blume (blume (at) tti - c (dot) org)
968    Date: 2004/08/03 14:25:00 CDT
969    Tag: blume-20040803-callingconv
970    Description:
971    
972    Added low-level support for choosing C calling conventions by
973    twiddling the type of rawccall.  (See
974    src/compiler/Semant/types/cproto.sml for details.)
975    
976    ----------------------------------------------------------------------
977    Name: Matthias Blume (blume (at) tti - c (dot) org)
978    Date: 2004/08/02 15:55:00 CDT
979    Tag: blume-20040802-backout
980    Description:
981    
982    Backed out of change to win32-filesys.c.  The earlier patch to
983    get_file_time caused CM to produce files with the wrong time stamp.
984    
985    ----------------------------------------------------------------------
986    Name: Matthias Blume (blume (at) tti - c (dot) org)
987    Date: 2004/08/02 14:45:00 CDT
988    Tag: blume-20040802-nlffi-win32
989    Description:
990    
991    Added NLFFI support for Win32, adapted from a patch provided by David
992    Hansel.  This is currently completely untested.  Also, the issue
993    concerning stdcall vs. ccall is still unresolved.
994    
995    ----------------------------------------------------------------------
996    Name: Matthias Blume (blume (at) tti - c (dot) org)
997    Date: 2004/07/30 17:55:00 CDT
998    Tag: blume-20040730-various
999    Description:
1000    
1001    Gearing up towards 110.47...
1002    
1003    - various minor bugfixes to ml-nlffigen
1004    - a beginning of a manual for nlffi
1005    
1006    - eliminated 'export name=value' in config/install.sh as this does
1007      not work with certain versions of /bin/sh
1008      (Thanks to David King at Motorola for catching this.)
1009    
1010    - several bugfixes provided or suggested by David Hansel at Reactive Systems:
1011      - added a test for tm==NULL to gmtime.c and localtime.c
1012      - applied patch for incorrect GetFileTime under win32
1013      - toSeconds -> toMilliseconds in Win32/win32-process.sml
1014    
1015    ----------------------------------------------------------------------
1016    Name: Matthias Blume (blume (at) tti - c (dot) org)
1017    Date: 2004/07/21 18:20:00 CDT
1018    Tag: blume-20040721-nlffigen
1019    Description:
1020    
1021    - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
1022      for a typedef to an incomplete type, but leave out the "typ" member.
1023      (This is just for consistency.)
1024    - Started to produce what is supposed to become better (i.e., comprehensive)
1025      documentation of what ml-nlffigen does and produces.
1026    
1027    ----------------------------------------------------------------------
1028    Name: Matthias Blume (blume (at) tti - c (dot) org)
1029    Date: 2004/07/14 16:25:00 CDT
1030    Tag: blume-20040714-union
1031    Description:
1032    
1033    Added C_UNION to c-calls/c-types.sml and updated the machinery
1034    (ml-nlffigen, cproto.sml) that conveys C function interface
1035    information to the code generator.
1036    
1037    However, the actual architecture-specific implementation of function
1038    arguments and results that are C unions is still not implemented.
1039    
1040    ----------------------------------------------------------------------
1041    Name: Allen Leung (leunga (at) reservoir (dot) com)
1042    Date: 2004/07/14 14:38:00 EST
1043    Tag: leunga-110_46_1-ppc-lwzu
1044    Description:
1045    
1046        Added these instructions to the PowerPC architecture:
1047        LBZU(X), LHZU(X), LWZU(X),
1048        STWU(X), STFDU, STFSU
1049    
1050        etc...
1051    
1052        Note: I haven't added their instruction encoding into the description.
1053    
1054    ----------------------------------------------------------------------
1055    Name: Allen Leung (leunga (at) reservoir (dot) com)
1056    Date: 2004/07/13 15:04:00 EST
1057    Tag: leunga-110_46_1-ppc-lwarx
1058    Description:
1059    
1060       Added the two instructions LWARX and STWCX to the PowerPC
1061    instruction set.
1062    
1063       A (untested) rewrite of loop-structure.sml.  The old version
1064    is completely broken.
1065    
1066    ----------------------------------------------------------------------
1067    Name: Matthias Blume (blume (at) tti - c (dot) org)
1068    Date: 2004/07/13 13:50:00 CDT
1069    Tag: blume-20040713-nlffi
1070    Description:
1071    
1072    - use paramAlloc to report c-calls with too many arguments
1073      (for PPC version where parameter area is pre-allocated)
1074    - added ccall_maxargspace to machspec (to implement the above)
1075    - made "make" commend in CM's "make" tool configurable
1076    - added option (default: on) for passing the name of the SML/NJ's "bin"
1077      directory to "make"; the call looks like this:
1078    
1079         make <options> SMLNJ_BINDIR=<dir> <target>
1080    
1081      This can be used by the Makefile to, e.g., pick the "right" version
1082      of ml-nlffigen.
1083    - minor code tweaks
1084    
1085    ----------------------------------------------------------------------
1086    Name: Matthias Blume (blume (at) tti - c (dot) org)
1087    Date: 2004/07/12 22:50:00 CDT
1088    Tag: blume-110_46_1-macosx-nlffi
1089    Description:
1090    
1091    NLFFI under Mac OS X now working (sort of).  This is largely untested,
1092    though.
1093    
1094    Note:  1. You have to make a new, clean build of the runtime system.
1095           2. There are new BOOTFILES, you have to use them!
1096              (Doing the bootstrap process yourself would be *very* painful!
1097               If you absolutely have to do it, build the system under
1098               a different architecture and then cross-compile.)
1099    
1100    Version bumped to 110.46.1 to account for runtime data format changes.
1101    
1102    ----------------------------------------------------------------------
1103    Name: Matthias Blume (blume (at) tti - c (dot) org)
1104    Date: 2004/06/18 14:30:00 CDT
1105    Tag: blume-20040618-unix
1106    Description:
1107    
1108    Changed the implementation of structure Unix so that the same stream
1109    is returned every time one of the {text,bin}{In,Out}streamOf functions
1110    is invoked on the same proc.  This is not what the spec currently
1111    says -- although IMO it arguably should.  (See discussion below.)
1112    
1113    ----------------------------------------------------------------------
1114    Name: Matthias Blume (blume (at) tti - c (dot) org)
1115    Date: 2004/06/17 18:15:00 CDT
1116    Tag: Release_110_46
1117    Description:
1118    
1119    New working version (110.46).  NEW BOOTFILES!
1120    
1121    ----------------------------------------------------------------------
1122    Name: Matthias Blume (blume (at) tti - c (dot) org)
1123    Date: 2004/06/17 17:20:00 CDT
1124    Tag: blume-20040617-timer-unix
1125    Description:
1126    
1127    Changed the interface of structures Timer and Unix to match the most
1128    recent Basis spec.
1129    
1130    In the case of Unix there still seems to be an open/weird issue:
1131    
1132       The {text,bin}{In,Out}streamOf functions are supposed to create
1133       fresh streams whenever they are called -- as opposed to have them
1134       return the same stream every time.  This design is supposed to
1135       prevent space leaks caused by proc values hanging on to streams.
1136    
1137       The reap function, on the other hand, is supposed to close the
1138       streams.  This cannot be done without having a handle on the
1139       stream in proc after all...
1140    
1141    I took the liberty to implement the following stopgap solution:
1142    
1143      The proc value hangs on to the most recently created stream(s).
1144      Reap closes those.  If either or both of the two streams hadn't
1145      been created at all yet, then reap will close the corresponding
1146      file descriptors directly.
1147    
1148    PS: I don't understand the original space leak argument anymore.  If
1149    a proc hangs on to the imperative stream, then I/O operations on those
1150    will advance the state of the cached stream and avoid the space leak.
1151    
1152    ----------------------------------------------------------------------
1153    Name: Matthias Blume (blume (at) tti - c (dot) org)
1154    Date: 2004/05/28 16:45:00 CDT
1155    Tag: blume-20040528-basis
1156    Description:
1157    
1158    Added signature PACK_REAL and exported functor PrimIO.
1159    
1160    ----------------------------------------------------------------------
1161    Name: Matthias Blume (blume (at) tti - c (dot) org)
1162    Date: 2004/05/25 16:00:00 CDT
1163    Tag: blume-20040525-group-owner
1164    Description:
1165    
1166    CM now ignores (but still accepts) the "owner" information in group
1167    descriptions.  The owner of a group is its next enclosing
1168    library. Each group must have a unique owner.  (There is a virtual
1169    "toplevel" library that owns groups which are not nested within a real
1170    library.)  Previously, each group had to explicitly declare its owner,
1171    and CM would check that such a declaration is correct.  The new scheme
1172    is to have CM check that for each group there is precisely one owning
1173    library.
1174    
1175    The advantage of the new scheme is that the programmer no longer needs
1176    to maintain the somewhat annoying owner information.  The downside is
1177    that CM cannot enforce the ownership rule across multiple runs of
1178    CM.make.  Fortunately, enclosing the same group in two different
1179    libraries A and B which are not part of the same program does not
1180    cause real problems.
1181    
1182    ----------------------------------------------------------------------
1183    Name: Matthias Blume (blume (at) tti - c (dot) org)
1184    Date: 2004/05/20 16:00:00 CDT
1185    Tag: blume-20040520-win32
1186    Description:
1187    
1188    Made the win32 version work again.  (Strangely, a misplaced comma had
1189    slipped into win32-process.c which prevented the runtime from being
1190    compiled correctly.)
1191    
1192    Also, included a minor addition to ml-build.bat analogous to what was
1193    done in blume-20040519-ml-build.
1194    
1195    ----------------------------------------------------------------------
1196    Name: Matthias Blume (blume (at) tti - c (dot) org)
1197  Date: 2004/05/19 22:10:00 CDT  Date: 2004/05/19 22:10:00 CDT
1198  Tag: blume-20040519-ml-build  Tag: blume-20040519-ml-build
1199  Description:  Description:

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