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[smlnj] Diff of /sml/branches/primop-branch-3/NOTES/HISTORY
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Diff of /sml/branches/primop-branch-3/NOTES/HISTORY

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revision 1390, Wed Sep 24 20:34:06 2003 UTC revision 1716, Wed Nov 24 20:48:51 2004 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: 2004/11/24 14:30:00 CST
18    Tag: blume-20041124-position
19    Description:
20    
21    The compiler can now be compiled in a mode that makes structure Position
22    equal to Int64.  The default, however, is unchanged (Position = Int31)
23    for the time being.
24    
25    To enable 64-bit positions, use the following procedure:
26    
27    1. Start sml
28    2. Autoload $smlnj/cmb.cm (if not already autoloaded)
29    3. Type
30          #set (CMB.symval "USE_64_BIT_POSITIONS") (SOME 1);
31    4. Run CMB.make() as usual.
32    
33    This is barely tested.  The only test so far was a little SML program
34    counting the number of characters in an 8-gigabyte file by
35    reading it character-by-character.  That test was successful.
36    
37    In support of 64-bit positions, a number of new functions have been
38    added to the runtime system.
39    
40    ----------------------------------------------------------------------
41    Name: Matthias Blume (blume (at) tti - c (dot) org)
42    Date: 2004/11/23 14:45:00 CST
43    Tag: blume-20041123-useFile
44    Description:
45    
46    Fixed a problem with unhelpful error messages related to problems with
47    .cm- or .sml files that appear as part of the sml command line.
48    
49    ----------------------------------------------------------------------
50    Name: Matthias Blume (blume (at) tti - c (dot) org)
51    Date: 2004/11/18 15:40:00 CST
52    Tag: Release_110_51
53    Description:
54    
55    New working version (110.51).  NEW BOOTFILES!
56    
57    ----------------------------------------------------------------------
58    Name: Matthias Blume (blume (at) tti - c (dot) org)
59    Date: 2004/11/18 15:35:00 CST
60    Tag: <none>
61    Description:
62    
63    Enabled dlopen and friends for FreeBSD (as recommended by Johannes 5
64    Joemann).
65    
66    ----------------------------------------------------------------------
67    Name: Allen Leung (leunga (at) reservoir (dot) com)
68    Date: 2004/11/17 16:05:21 EST 2004
69    Tag: leunga-20041117-mlrisc-live-kill
70    Description:
71    
72       Added support for MLTree constructs LIVE and KILL
73    to all the architectures.
74    
75    ----------------------------------------------------------------------
76    Name: Matthias Blume (blume (at) tti - c (dot) org)
77    Date: 2004/11/13 00:20:00 CST
78    Tag: blume-20041113-versiontool
79    Description:
80    
81    - Stripped down the versiontool: It now only handles the version number.
82      The date string is generated at bootstrap time (during makeml).
83    
84    - In a previous commit, fixed a minor issue with how polyequal is being
85      translated.  In particular, the code now "looks through" abstractions.
86      This results in slightly fewer polyEqual warnings and hopefully slightly
87      more efficient code.  Important examples for where this matters are
88      the new int64 and word64 types.
89    
90    ----------------------------------------------------------------------
91    Name: Matthias Blume (blume (at) tti - c (dot) org)
92    Date: 2004/11/12 00:30:00 CST
93    Tag: blume-20041112-int64
94    Description:
95    
96    Structure Int64 fully hooked in.  (The implementation is not very
97    efficient, though.)
98    
99    ----------------------------------------------------------------------
100    Name: Matthias Blume (blume (at) tti - c (dot) org)
101    Date: 2004/11/11 17:30:00 CST
102    Tag: blume-20041111-more64
103    Description:
104    
105    All the pieces of Word64 are now there, with the exception of the
106    conversions from and to LargeWord. (Eventually these need to be identities,
107    but for the time being they don't even make sense because LargeWord is
108    32-bit wide.)
109    
110    Also started to add similar support for Int64, but major pieces of that
111    are still missing.
112    
113    ----------------------------------------------------------------------
114    Name: Matthias Blume (blume (at) tti - c (dot) org)
115    Date: 2004/11/11 00:15:00 CST
116    Tag: blume-20041111-word64
117    Description:
118    
119    Structure Word64 is now (almost) complete, word literals and patterns
120    seem to work.  There are a few odd pieces missing.  In particular,
121    I didn't do the {from,to}LargeWord parts because LargeWord is still Word32
122    at the moment.
123    
124    Making Word64 official would mean that LargeWord becomes Word64.  But
125    this requires extreme care because most word-word conversions have to
126    go through LargeWord, so making a mistake means loss of efficiency or
127    worse.  Eventually there will be a solution similar to (but actually
128    simpler than) what I did with IntInf.
129    
130    ----------------------------------------------------------------------
131    Name: Matthias Blume (blume (at) tti - c (dot) org)
132    Date: 2004/11/10 18:12:00 CST
133    Tag: blume-20041110-64bit
134    Description:
135    
136    More 64-bit hacking (but still not even half-way there yet).
137    Also, some assorted improvements to the handling of 8-bit words.
138    
139    ----------------------------------------------------------------------
140    Name: Matthias Blume (blume (at) tti - c (dot) org)
141    Date: 2004/11/09 17:50:00 CST
142    Tag: <none>
143    Description:
144    
145    Started adding some infrastructure for supporting 64-bit int- and
146    word-types.  (Still in its very early stages.)
147    
148    ----------------------------------------------------------------------
149    Name: Matthias Blume (blume (at) tti - c (dot) org)
150    Date: 2004/10/28 10:45:00 CDT
151    Tag: Release_110_50
152    Description:
153    
154    New working version (110.50).  NEW BOOTFILES!
155    
156                 =====================
157    
158    Also:
159    
160      - Changend config/srcarchiveurl from a file just
161        containing the URL string into a file containing
162        shell script code.  The code has access to the $VERSION variable.
163      - Made corresponding changes to config/install.sh and config/unpack.
164      - Default contents of config/srcarchiveurl uses $VERSION and
165        normally does not have to be edited to reflect a version change.
166    
167      (As a result, a version change can be done by just editing
168       config/version, the rest is now automatic.)
169    
170    ----------------------------------------------------------------------
171    Name: Matthias Blume (blume (at) tti - c (dot) org)
172    Date: 2004/10/27 17:50:00 CDT
173    Tag: blume-20041027-btrace-msg
174    Description:
175    
176    BackTrace.monitor now also reports the source of the exception that
177    triggered the trace.
178    
179    ----------------------------------------------------------------------
180    Name: Matthias Blume (blume (at) tti - c (dot) org)
181    Date: 2004/10/27 17:20:00 CDT
182    Tag: blume-20041027-x86-c-calls
183    Description:
184    
185    This is the HISTORY entry for two earlier commits, both concerning
186    the x86 c-calls code in MLRISC:
187    
188      - added a missing LOAD in the code that deals with struct arguments
189      - made sure the caller does not add the wrong number of bytes to the
190        stack pointer after a call of a function returning a struct
191        (the callee already pops the implicit argument which points to
192         the space reserved for the result)
193    
194    ----------------------------------------------------------------------
195    Name: Allen Leung (leunga (at) reservoir (dot) com)
196    Date: 2004/10/24 14:00:00 EST
197    Tag: leunga-20041024-x86-gas-fucomip
198    Description:
199    
200       John discovered a bug in the syntax of fucomip.
201       The opcodes FU?COMIP? have been changed to
202    
203           fu?comip? %st(i), %st
204    
205    ----------------------------------------------------------------------
206    Name: Matthias Blume (blume (at) tti - c (dot) org)
207    Date: 2004/10/20 15:06:00 CDT
208    Tag: blume-20041020-standalone-backtrace
209    Description:
210    
211    Added a mechanism for getting back-trace information from standalone
212    programs.  Here is how it works:
213    
214       1. The part of the program from which you want to get backtrace
215          information (usually the whole program) should be wrapped with
216          BackTrace.monitor.  This is a (unit->'a)->'a function, and your
217          main program could be modified from something like
218    
219             fun main (pgm, args) = ...
220    
221         to
222    
223            fun main (pgm, args) = BackTrace.monitor (fn () => ...)
224    
225       2. To be able to access BackTrace.monitor, you have to add
226          library $smlnj-tdp/plugins.cm to the .cm file that contains your
227          main function.
228    
229       3. Remove all compiled code (i.e., all the .cm/ subdirectories that
230          CM might have created in the past for your project).
231    
232       4. Build the system using this command line:
233    
234             ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
235                      myprog.cm MyProg.main myprog
236    
237          instead of the usual
238    
239             ml-build myprog.cm MyProg.main myprog
240    
241    I changed a library name:
242    
243       $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
244    
245    New libraries:
246    
247       $smlnj-tdp/back-trace.cm
248          -- when loaded causes the back-trace plugin to be installed
249       $smlnj-tdp/coverage.cm
250          -- when loaded causes the coverage plugin to be installed
251    
252    ----------------------------------------------------------------------
253    Name: Matthias Blume (blume (at) tti - c (dot) org)
254    Date: 2004/10/18 16:45:00 CDT
255    Tag: blume-20041018-groupowner
256    Description:
257    
258    Added an "obsolete" warning for the "group owner" syntax to CM's parser.
259    
260    Eliminated group owner specs from .cm files throughout the source tree.
261    
262    ----------------------------------------------------------------------
263    Name: Matthias Blume (blume (at) tti - c (dot) org)
264    Date: 2004/10/15 15:45:00 CDT
265    Tag: blume-20041015-coverage
266    Description:
267    
268    * Test coverage tool added!
269    * Further reorganization of tracing-, debugging-, and profiling support:
270    
271        - moved original BTImp -- now called BackTrace -- into a separate
272          library called $/trace-debug-profile.cm
273        - eliminated all mentions of BTrace from SMLofNJ.Internals
274        - only the instrumentation mechanism is now left in the compiler proper
275        - BackTrace module is a plugin which is NOT plugged in by default
276        - Coverage module is another such plugin
277    
278    To get the benefits of any of these plugin modules, the code in
279    question must be compiled with tdp instrumentation turned on.  This
280    can be done by setting SMLofNJ.Internals.TDP.mode to true.
281    (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
282    
283    Plugins are selected at link time.  (Pre-compiled instrumented code
284    can be re-loaded with different plugins in effect.)  When an
285    instrumented module is linked, whatever plugins are at that time
286    enabled will come into effect for that module.
287    
288    To enable the back-trace plugin, load library $/trace-debug-profile.cm
289    and invoke BackTrace.install() (e.g., from the interactive prompt).
290    To enable the coverage plugin, load the same library and invoke
291    Coverage.install().
292    
293    Back-traces are generated automatically on uncaught exceptions and
294    when the code in question explicitly invokes BackTrace.trigger().
295    
296    Coverage (and execution frequency-) information must be queried
297    explicitly by calling Coverage.not_covered and Coverage.hot_spots.
298    
299    ----------------------------------------------------------------------
300    Name: Matthias Blume (blume (at) tti - c (dot) org)
301    Date: 2004/10/14 17:40:00 CDT
302    Tag: blume-20041014-tdp-core
303    Description:
304    
305    Snapshot of a significant overhaul of how the trace/debug/profile support
306    is hooked into the system (specifically: Core and SMLofNJ.Internals).
307    
308    ----------------------------------------------------------------------
309    Name: Matthias Blume (blume (at) tti - c (dot) org)
310    Date: 2004/10/13 16:34:00 CDT
311    Tag: blume-20041013-tdp
312    Description:
313    
314    Some rationalization of names:
315    
316       structure BTrace -> structure TDPInstrument
317       etc.
318    
319    This is is preparation of using the original back-trace
320    instrumentation for other purposes.  "TDP" stands for
321    Trace/Debug/Profile.
322    
323    The control flag controlling whether instrumentation is on or off is now
324    registered under a different name, so instead of running sml as
325    
326     sml -Cinstrument.btrace-mode=true
327    
328    one has to say
329    
330     sml -Ctdp.instrument=true
331    
332    ----------------------------------------------------------------------
333    Name: Matthias Blume (blume (at) tti - c (dot) org)
334    Date: 2004/10/11 16:37:00 CDT
335    Tag: blume-20041011-regions
336    Description:
337    
338    Made some minor modifications to elabcore.sml to have source regions
339    be propagated more tightly -- resulting in better (i.e., smaller)
340    regions being reported in error- and debug messages.
341    
342    ----------------------------------------------------------------------
343    Name: Matthias Blume (blume (at) tti - c (dot) org)
344    Date: 2004/10/08 22:50:00 CDT
345    Tag: blume-20041008-cmkw
346    Description:
347    
348    Fixed handling of keywords in .cm files: After seeing "is" the lexer
349    treats subsequent occurrences of "group", "library", "source", "is",
350    "*", and "-" as ordinary identifiers rather than keywords.
351    
352    Most seriously, this fixes a problem with CM's "shell" tool.  The tool
353    is supposed to accept a tool argument called "source", but this did
354    not work because of the clash with the keyword.
355    
356    ----------------------------------------------------------------------
357    Name: Matthias Blume (blume (at) tti - c (dot) org)
358    Date: 2004/10/07 16:00:00 CDT
359    Tag: blume-20041007-cleanup
360    Description:
361    
362    Assorted cleanup work:
363    
364      - got rid of intstrmap in favor of using the library's
365        hash table implementation
366      - threw out most of the pathnames stuff, as it was not used anyway
367      - simplified tokentable implementation
368      - fixed some minor spelling errors
369    
370    ----------------------------------------------------------------------
371    Name: Matthias Blume (blume (at) tti - c (dot) org)
372    Date: 2004/10/06 15:15:15 CDT
373    Tag: blume-20041006-handler
374    Description:
375    
376    Cleaned up the absyn to reflect the invariant that HANDLE always
377    carries a FNexp as part of the type definition.  This eliminates some
378    superfluous sanity checks at runtime down the road.
379    
380    Some minor cleanup of the btrace code.
381    
382    ----------------------------------------------------------------------
383    Name: Matthias Blume (blume (at) tti - c (dot) org)
384    Date: 2004/10/01 10:20:30 CDT
385    Tag: blume-20041001-slave
386    Description:
387    
388    Added hack to make slave mode work in the presence of the version
389    tool.  (Still, since the master does two passes over the code for
390    CMB.make, the release number gets bumped twice when slaves are
391    attached.  I don't know if this is worth fixing...)
392    
393    ----------------------------------------------------------------------
394    Name: Matthias Blume (blume (at) tti - c (dot) org)
395    Date: 2004/09/30 10:55:00 CDT
396    Tag: blume-20040930-version
397    Description:
398    
399    * Moved the "version" magic into its own little library under
400      src/system/smlnj/internal.  This avoids expensive reconstruction of
401      a stable src/compiler/core.cm.
402    
403    * At the same time, structure CompilerVersion is now known as
404      structure SMLNJVersion.
405    
406    * Arranged for the version tool to NOT kick in when rebuilding the system
407      (makeml -rebuild, fixpt).  Otherwise one would never reach a fixpoint.
408      Also, loading the versiontool does not work when rebuilding the system
409      because CM is not properly initialized at that time.
410    
411    ----------------------------------------------------------------------
412    Name: Matthias Blume (blume (at) tti - c (dot) org)
413    Date: 2004/09/29 14:00:00 CDT
414    Tag: blume-20040929-autoversion
415    Description:
416    
417    Implemented some CM magic to have
418        file src/compiler/TopLevel/main/version.sml
419    generated automagically.
420    The version is taken from two files: config/version and config/release.
421    The first is expected to contain a two-part version number such as 110.49.
422    The second should contain a single number, but it may be missing.
423    
424    If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
425    time the version tool is loaded (which is the first time you say CMB.make),
426    then the tool will increment the value stored in config/release every
427    time CMB.make is invoked.
428    
429    The binfile format is now insensitive to anything beyond the first
430    two components of a version number, so bumping the release does not render
431    binfiles incompatible.  Auto-bumping can be used to keep track of versions
432    during development without invalidating existing binfiles.
433    
434    In any case, every CMB.make updates the date information in version.sml.
435    (This is the date that is printed in the banner.)
436    
437    ----------------------------------------------------------------------
438    Name: Matthias Blume (blume (at) tti - c (dot) org)
439    Date: 2004/09/28 10:53:00 CDT
440    Tag: blume-20040928-controls
441    Description:
442    
443    Some cleanup of the controls code.
444    
445    ----------------------------------------------------------------------
446    Name: Matthias Blume (blume (at) tti - c (dot) org)
447    Date: 2004/09/27 22:08:00 CDT
448    Tag: blume-20040927-controls
449    Description:
450    
451    Added two pieces of functionality to the Controls interface:
452    
453    1.   val save'restore: 'a control -> unit -> unit
454    
455       grabs the current value of the control in stage 1 and restores it
456       in stage 2.
457    
458    2.   val set' : 'a control * 'a -> unit -> unit
459    
460       stores the given value into the control in stage 2 (i.e., delayed)
461       but does all error checking in stage 1.
462       (This is for string controls that need to do parse their argument --
463        something that might fail.  In some cases, notably in CM, one
464        already knows the intended argument but wants to delay the actual
465        assignment until a time when error recovery would be more difficult.)
466    
467    Changed the handling of controls in tool arguments to classes "sml" and
468    "lazysml":
469       - use Controls.save'restore as a more robust way of restoring the
470         old value (in particular: without having to re-parse the string)
471       - use controls to handle the "overload" keyword in the init group
472         (I believe this change actually fixes a long-standing obscure bug.)
473    
474    ----------------------------------------------------------------------
475    Name: Matthias Blume (blume (at) tti - c (dot) org)
476    Date: 2004/09/27 17:00:00 CDT
477    Tag: blume-20040927-lazysml
478    Description:
479    
480    Added a new tool class called "lazysml" to CM's tool chest.  The only
481    difference to "sml" is that compilation is done with Control.lazysml
482    set to true.  A source of class "lazysml" is automatically recognized
483    by a file name suffix of ".lml".
484    
485    In addition to the above feature, the original class "sml" now also
486    supports a tool argument "lazy" which has the same effect.  As a
487    result, the following three lines are equivalent:
488    
489        foo.sml : lazysml
490        foo.sml : sml (lazy)
491        foo.sml (lazy)
492    
493    The setting goes into effect both during parsing and during
494    compilation.  The original setting is restored right after parsing and
495    after compilation, respectively.
496    
497    In addition to all the above, there is also a general mechanism to set
498    ANY of the "controls" that are available at the command line via
499    "-C..." on a per-sml-file basis.  The same rules that apply for "lazy"
500    apply as well. (In fact, "lazy" is implemented as a special case of
501    the general mechanism.)
502    
503    The .cm file syntax uses a new keyword tool argument called "with".
504    There are several ways of indicating the desired settings:
505    
506        foo.sml (with:parser.quotations=true)
507        foo.sml (with:(name:parser.quotations value:true))
508        foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
509        foo.sml (with:(name1=value1 name2=value2 ...))
510        foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
511    
512        etc.
513    
514    Another possible abbreviation is to leave out the =v or value:v part
515    if the name refers to a boolean control (in which case the value is
516    taken to be true).  Thus, one could get lazy sml also by saying:
517    
518        foo.sml (with:parser.lazy-keyword=true)
519        foo.sml (with:parser.lazy-keyword)
520        foo.sml (with:(name:parser.lazy-keyword value:true))
521        foo.sml (with:(name:parser.lazy-keyword))
522    
523    ----------------------------------------------------------------------
524    Name: Matthias Blume (blume (at) tti - c (dot) org)
525    Date: 2004/09/24 16:22:00 CDT
526    Tag: blume-20040924-ppc-long-branch
527    Description:
528    
529    Turned message about "emiting long form of branch" off by default.
530    Added a control flag to turn it back on when desired.
531    
532    ----------------------------------------------------------------------
533    Name: Matthias Blume (blume (at) tti - c (dot) org)
534    Date: 2004/09/24 16:05:00 CDT
535    Tag: blume-20040924-rounding
536    Description:
537    
538    Applied patch for setting rounding modes under Mac OS X.  Thanks to
539    Melissa O'Neill for providing the code!
540    
541    ----------------------------------------------------------------------
542    Name: Matthias Blume (blume (at) tti - c (dot) org)
543    Date: 2004/09/23 17:30:00 CDT
544    Tag: blume-20040923-envvars
545    Description:
546    
547    1. Changed definition of type ControlRegistry.registry_tree to
548       include control_info (i.e., the name of the controlling environment
549       variable).
550    
551    2. Added command-line flags -e and -E to print the names of environment
552       variables that can be used to control internal settings.
553       (This uses the new API mentioned in 1.)
554    
555    ----------------------------------------------------------------------
556    Name: Matthias Blume (blume (at) tti - c (dot) org)
557    Date: 2004/09/13 16:50:00 CDT
558    Tag: Release_110_49
559    Description:
560    
561    New working version (110.49).  NEW BOOTFILES!
562    
563    ----------------------------------------------------------------------
564    Name: Matthias Blume
565    Date: 2004/09/13 16:20:00 CDT
566    Tag: blume-20040913-config-mlrisc
567    Description:
568    
569    Put target "mlrisc" back into the default list.
570    (There is no harm in having it, and some users have expressed their
571    wish to have "mlrisc" included by default.)
572    
573    ----------------------------------------------------------------------
574    Name: John Reppy
575    Date: 2004/09/13
576    Tag: jhr-20040913-signals
577    Description:
578    
579    Fixed the signal masking code to properly nest mask/unmask operations
580    on a per-signal basis.
581    
582    ----------------------------------------------------------------------
583    Name: Matthias Blume (blume (at) tti - c (dot) org)
584    Date: 2004/09/08 13:20:00 CDT
585    Tag: blume-20040908-heap-magic
586    Description:
587    
588    Bumped the heap macig number to 0x09082004 to account for the changed
589    layout of the ML frame under MacOS X.
590    
591    ----------------------------------------------------------------------
592    Name: Allen Leung (leunga (at) reservoir (dot) com)
593    Date: 2004/09/03 11:26:00 EST
594    Tag: leunga-20040903-cygwin-install
595    Description:
596    
597       Added a patch to _arch-n-opsys to enable the Cygwin runtime.
598    The Cygwin runtime is turned on by setting the environment
599    variable SMLNJ_CYGWIN_RUNTIME to 1.
600    
601    ----------------------------------------------------------------------
602    Name: Matthias Blume (blume (at) tti - c (dot) org)
603    Date: 2004/08/31 17:15:00 CDT
604    Tag: blume-20040831-core
605    Description:
606    
607    Added some exports to src/compiler/core.cm upon request by J. Joemann.
608    
609    ----------------------------------------------------------------------
610    Name: Matthias Blume (blume (at) tti - c (dot) org)
611    Date: 2004/08/30 17:55:00 CDT
612    Tag: blume-20040830-installer
613    Description:
614    
615    Upon request by Johannes Joemann:
616    
617    - improved ML code of installer to fall back to coping when renaming
618      fails (i.e., when source and target are on different file systems);
619      the code compiles but has yet to be tested in anger
620    - removed mlrisc from list of default targets (config/targets)
621    
622    ----------------------------------------------------------------------
623    Name: Matthias Blume (blume (at) tti - c (dot) org)
624    Date: 2004/08/27 17:20:00 CDT
625    Tag: blume-20040827-ptreql
626    Description:
627    
628    Added ptreql primop to structure InlineT (upon request from Larry
629    Paulson).
630    
631    ----------------------------------------------------------------------
632    Name: Allen Leung (leunga (at) reservoir (dot) com)
633    Date: 2004/08/15 21:21:00 EST
634    Tag: leunga-110_48-udgraph
635    Description:
636    
637    Another bug fix from Carl Hauser:
638    
639    diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
640    > 48c48
641    > <              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
642    > e::L)
643    > ---
644    > >              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
645    > Without this, any deletion of an edge in an undirected graph does severe
646    > violence to the graph.
647    
648    ----------------------------------------------------------------------
649    Name: Allen Leung (leunga (at) reservoir (dot) com)
650    Date: 2004/08/10 23:35:00 EST
651    Tag: leunga-110_48-ppc
652    Description:
653    
654       The IBM/MacOS syntax switch on PPC was incorrectly swapped.
655    
656    ----------------------------------------------------------------------
657    Name: Matthias Blume (blume (at) tti - c (dot) org)
658    Date: 2004/08/10 12:00:00 CDT
659    Tag: Release_110_48
660    Description:
661    
662    New working version (110.48).  NEW BOOTFILES!
663    
664    ----------------------------------------------------------------------
665    Name: Allen Leung (leunga (at) reservoir (dot) com)
666    Date: 2004/08/09 12:21:00 EST
667    Tag: leunga-110_47-dijsktra
668    Description:
669    
670    Bug fix from Carl Hauser:
671    
672    single_source_shortest_paths in dijkstra.sml was observed to get wrong
673    answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
674    
675    The problem is that following the expression A.update(dist,s,Num.zero)
676    it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
677    
678    ----------------------------------------------------------------------
679    Name: Matthias Blume (blume (at) tti - c (dot) org)
680    Date: 2004/08/06 18:10:00 CDT
681    Tag: blume-20040806-cmdline
682    Description:
683    
684    Fiddled with handling of command-line options:
685    
686      * sml now quits after processing the command line
687        if -H, -S, -h<n>, or -s<n> appears as the last
688        command-line argument
689      * a new option -q terminates the session when encountered on
690        the command line; subsequent arguments will be ignored
691      * bug fixes: short (erroneous) arguments are no longer ignored
692        completely
693    
694    ----------------------------------------------------------------------
695    Name: Allen Leung (leunga (at) reservoir (dot) com)
696    Date: 2004/08/04 18:17:00 EST
697    Tag: leunga-110_47-ppc-ibm-asm
698    Description:
699    
700      - Added minimal IBM assembly syntax support for PowerPC.
701    
702      - Cygwin: manually changed the file cygwin.def.  Some exported symbols have
703        been altered in the runtime.  We need an automatic way to keep the file
704        in sync.
705    
706    ----------------------------------------------------------------------
707    Name: Matthias Blume (blume (at) tti - c (dot) org)
708    Date: 2004/08/04 14:00:00 CDT
709    Tag: Release_110_47
710    Description:
711    
712    New working version (110.47).  NEW BOOTFILES!
713    
714    ----------------------------------------------------------------------
715    Name: Matthias Blume (blume (at) tti - c (dot) org)
716    Date: 2004/08/03 14:25:00 CDT
717    Tag: blume-20040803-callingconv
718    Description:
719    
720    Added low-level support for choosing C calling conventions by
721    twiddling the type of rawccall.  (See
722    src/compiler/Semant/types/cproto.sml for details.)
723    
724    ----------------------------------------------------------------------
725    Name: Matthias Blume (blume (at) tti - c (dot) org)
726    Date: 2004/08/02 15:55:00 CDT
727    Tag: blume-20040802-backout
728    Description:
729    
730    Backed out of change to win32-filesys.c.  The earlier patch to
731    get_file_time caused CM to produce files with the wrong time stamp.
732    
733    ----------------------------------------------------------------------
734    Name: Matthias Blume (blume (at) tti - c (dot) org)
735    Date: 2004/08/02 14:45:00 CDT
736    Tag: blume-20040802-nlffi-win32
737    Description:
738    
739    Added NLFFI support for Win32, adapted from a patch provided by David
740    Hansel.  This is currently completely untested.  Also, the issue
741    concerning stdcall vs. ccall is still unresolved.
742    
743    ----------------------------------------------------------------------
744    Name: Matthias Blume (blume (at) tti - c (dot) org)
745    Date: 2004/07/30 17:55:00 CDT
746    Tag: blume-20040730-various
747    Description:
748    
749    Gearing up towards 110.47...
750    
751    - various minor bugfixes to ml-nlffigen
752    - a beginning of a manual for nlffi
753    
754    - eliminated 'export name=value' in config/install.sh as this does
755      not work with certain versions of /bin/sh
756      (Thanks to David King at Motorola for catching this.)
757    
758    - several bugfixes provided or suggested by David Hansel at Reactive Systems:
759      - added a test for tm==NULL to gmtime.c and localtime.c
760      - applied patch for incorrect GetFileTime under win32
761      - toSeconds -> toMilliseconds in Win32/win32-process.sml
762    
763    ----------------------------------------------------------------------
764    Name: Matthias Blume (blume (at) tti - c (dot) org)
765    Date: 2004/07/21 18:20:00 CDT
766    Tag: blume-20040721-nlffigen
767    Description:
768    
769    - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
770      for a typedef to an incomplete type, but leave out the "typ" member.
771      (This is just for consistency.)
772    - Started to produce what is supposed to become better (i.e., comprehensive)
773      documentation of what ml-nlffigen does and produces.
774    
775    ----------------------------------------------------------------------
776    Name: Matthias Blume (blume (at) tti - c (dot) org)
777    Date: 2004/07/14 16:25:00 CDT
778    Tag: blume-20040714-union
779    Description:
780    
781    Added C_UNION to c-calls/c-types.sml and updated the machinery
782    (ml-nlffigen, cproto.sml) that conveys C function interface
783    information to the code generator.
784    
785    However, the actual architecture-specific implementation of function
786    arguments and results that are C unions is still not implemented.
787    
788    ----------------------------------------------------------------------
789    Name: Allen Leung (leunga (at) reservoir (dot) com)
790    Date: 2004/07/14 14:38:00 EST
791    Tag: leunga-110_46_1-ppc-lwzu
792    Description:
793    
794        Added these instructions to the PowerPC architecture:
795        LBZU(X), LHZU(X), LWZU(X),
796        STWU(X), STFDU, STFSU
797    
798        etc...
799    
800        Note: I haven't added their instruction encoding into the description.
801    
802    ----------------------------------------------------------------------
803    Name: Allen Leung (leunga (at) reservoir (dot) com)
804    Date: 2004/07/13 15:04:00 EST
805    Tag: leunga-110_46_1-ppc-lwarx
806    Description:
807    
808       Added the two instructions LWARX and STWCX to the PowerPC
809    instruction set.
810    
811       A (untested) rewrite of loop-structure.sml.  The old version
812    is completely broken.
813    
814    ----------------------------------------------------------------------
815    Name: Matthias Blume (blume (at) tti - c (dot) org)
816    Date: 2004/07/13 13:50:00 CDT
817    Tag: blume-20040713-nlffi
818    Description:
819    
820    - use paramAlloc to report c-calls with too many arguments
821      (for PPC version where parameter area is pre-allocated)
822    - added ccall_maxargspace to machspec (to implement the above)
823    - made "make" commend in CM's "make" tool configurable
824    - added option (default: on) for passing the name of the SML/NJ's "bin"
825      directory to "make"; the call looks like this:
826    
827         make <options> SMLNJ_BINDIR=<dir> <target>
828    
829      This can be used by the Makefile to, e.g., pick the "right" version
830      of ml-nlffigen.
831    - minor code tweaks
832    
833    ----------------------------------------------------------------------
834    Name: Matthias Blume (blume (at) tti - c (dot) org)
835    Date: 2004/07/12 22:50:00 CDT
836    Tag: blume-110_46_1-macosx-nlffi
837    Description:
838    
839    NLFFI under Mac OS X now working (sort of).  This is largely untested,
840    though.
841    
842    Note:  1. You have to make a new, clean build of the runtime system.
843           2. There are new BOOTFILES, you have to use them!
844              (Doing the bootstrap process yourself would be *very* painful!
845               If you absolutely have to do it, build the system under
846               a different architecture and then cross-compile.)
847    
848    Version bumped to 110.46.1 to account for runtime data format changes.
849    
850    ----------------------------------------------------------------------
851    Name: Matthias Blume (blume (at) tti - c (dot) org)
852    Date: 2004/06/18 14:30:00 CDT
853    Tag: blume-20040618-unix
854    Description:
855    
856    Changed the implementation of structure Unix so that the same stream
857    is returned every time one of the {text,bin}{In,Out}streamOf functions
858    is invoked on the same proc.  This is not what the spec currently
859    says -- although IMO it arguably should.  (See discussion below.)
860    
861    ----------------------------------------------------------------------
862    Name: Matthias Blume (blume (at) tti - c (dot) org)
863    Date: 2004/06/17 18:15:00 CDT
864    Tag: Release_110_46
865    Description:
866    
867    New working version (110.46).  NEW BOOTFILES!
868    
869    ----------------------------------------------------------------------
870    Name: Matthias Blume (blume (at) tti - c (dot) org)
871    Date: 2004/06/17 17:20:00 CDT
872    Tag: blume-20040617-timer-unix
873    Description:
874    
875    Changed the interface of structures Timer and Unix to match the most
876    recent Basis spec.
877    
878    In the case of Unix there still seems to be an open/weird issue:
879    
880       The {text,bin}{In,Out}streamOf functions are supposed to create
881       fresh streams whenever they are called -- as opposed to have them
882       return the same stream every time.  This design is supposed to
883       prevent space leaks caused by proc values hanging on to streams.
884    
885       The reap function, on the other hand, is supposed to close the
886       streams.  This cannot be done without having a handle on the
887       stream in proc after all...
888    
889    I took the liberty to implement the following stopgap solution:
890    
891      The proc value hangs on to the most recently created stream(s).
892      Reap closes those.  If either or both of the two streams hadn't
893      been created at all yet, then reap will close the corresponding
894      file descriptors directly.
895    
896    PS: I don't understand the original space leak argument anymore.  If
897    a proc hangs on to the imperative stream, then I/O operations on those
898    will advance the state of the cached stream and avoid the space leak.
899    
900    ----------------------------------------------------------------------
901    Name: Matthias Blume (blume (at) tti - c (dot) org)
902    Date: 2004/05/28 16:45:00 CDT
903    Tag: blume-20040528-basis
904    Description:
905    
906    Added signature PACK_REAL and exported functor PrimIO.
907    
908    ----------------------------------------------------------------------
909    Name: Matthias Blume (blume (at) tti - c (dot) org)
910    Date: 2004/05/25 16:00:00 CDT
911    Tag: blume-20040525-group-owner
912    Description:
913    
914    CM now ignores (but still accepts) the "owner" information in group
915    descriptions.  The owner of a group is its next enclosing
916    library. Each group must have a unique owner.  (There is a virtual
917    "toplevel" library that owns groups which are not nested within a real
918    library.)  Previously, each group had to explicitly declare its owner,
919    and CM would check that such a declaration is correct.  The new scheme
920    is to have CM check that for each group there is precisely one owning
921    library.
922    
923    The advantage of the new scheme is that the programmer no longer needs
924    to maintain the somewhat annoying owner information.  The downside is
925    that CM cannot enforce the ownership rule across multiple runs of
926    CM.make.  Fortunately, enclosing the same group in two different
927    libraries A and B which are not part of the same program does not
928    cause real problems.
929    
930    ----------------------------------------------------------------------
931    Name: Matthias Blume (blume (at) tti - c (dot) org)
932    Date: 2004/05/20 16:00:00 CDT
933    Tag: blume-20040520-win32
934    Description:
935    
936    Made the win32 version work again.  (Strangely, a misplaced comma had
937    slipped into win32-process.c which prevented the runtime from being
938    compiled correctly.)
939    
940    Also, included a minor addition to ml-build.bat analogous to what was
941    done in blume-20040519-ml-build.
942    
943    ----------------------------------------------------------------------
944    Name: Matthias Blume (blume (at) tti - c (dot) org)
945    Date: 2004/05/19 22:10:00 CDT
946    Tag: blume-20040519-ml-build
947    Description:
948    
949    Arranged for ml-build to clean up after itself a little bit better.
950    The script generates a temporary SML source file and compiles it using
951    CM, so CM generates metadata (GUID, SKEL, objectfile) for it.  It now
952    gets rid of those at the end, so they don't accumulate under .cm.
953    
954    This required a minor change to install.sh because the name of the
955    metadata directory (default: .cm) is actually configurable at
956    installation time.
957    
958    ----------------------------------------------------------------------
959    Name: Matthias Blume (blume (at) tti - c (dot) org)
960    Date: 2004/05/18 15:50:00 CDT
961    Tag: blume-20040518-mkreader
962    Description:
963    
964    Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
965    implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
966    
967    ----------------------------------------------------------------------
968    Name: Matthias Blume (blume (at) tti - c (dot) org)
969    Date: 2004/05/11 14:35:00 CDT
970    Tag: blume-20040511-win32sock
971    Description:
972    
973    Added previously missing support for many socket-related functions
974    under win32.  Thanks to David Hansel <hansel@reactive-systems.com>
975    for the voluminous patch!
976    
977    (I have not tested this patch under win32 yet.)
978    
979    Here is David's e-mail:
980    
981    Hi,
982    
983    Attached to this email you find a diff against sml/nj 110.45
984    that will enable socket support under Windows.
985    
986    To apply the patch (using unix or cygwin)
987    1) gunzip runtime.diff.gz
988    2) "cd" into "src/runtime" in the source tree of a fresh
989       110.45 installation.
990    3) patch -p 1 < [your/path/to]runtime.diff
991    
992    The code compiles fine but has NOT yet been extensively tested.
993    I only ran a few tests for basic socket client functionality
994    (which worked fine).  Especially the functions that use ioctl
995    are not tested at all and might not work (see below).
996    
997    I implemented this since we want to move to a newer version of sml/nj
998    but need socket support in order to use it.  This is the first time I
999    even had a look at the sml/nj source,  so please review my changes
1000    before making this part of the distribution!  Here are a few issues
1001    that I think might be better for someone to solve who is more
1002    familiar with the sml/nj source (and socket programming):
1003    
1004    - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
1005      exception since I could not figure out what the windows equivalent
1006      of these functions is
1007    
1008    - In sockets-osdep.h there are a some #include statements that are
1009      only used in a few files that include sockets-osdep.h
1010    
1011    - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
1012      does not process its return value since I don't know how to
1013      report an error upwards.
1014    
1015    - It would probably be good to have a call to WSACleanup() when
1016      the library is unloaded (if there is such a possibility).
1017      Otherwise I think Windows will take care of this automatically
1018      when the process finishes.
1019    
1020    - I used ioctlsocket() as a replacement for ioctl() but I have
1021      no idea if that is actually the proper replacement on Windows.
1022    
1023    - All these issues are marked in the code by "FIXME" comments.
1024    
1025    We use sml/nj extensively in our products and are quite happy
1026    with it.  I hope this contribution will help you.
1027    
1028    Keep up the good work!
1029    
1030    David
1031    
1032    ----------------------------------------------------------------------
1033    Name: Matthias Blume (blume (at) tti - c (dot) org)
1034    Date: 2004/05/11 14:20:00 CDT
1035    Tag: blume-20040511-installml
1036    Description:
1037    
1038    Fixed two bugs in installml script.  (Thanks to Vesa A. Norrman for
1039    the patch.)
1040    
1041    ----------------------------------------------------------------------
1042    Name: Matthias Blume (blume (at) tti - c (dot) org)
1043    Date: 2004/05/11 14:05:00 CDT
1044    Tag: blume-20040511-nlffi-netbsd
1045    Description:
1046    
1047    Added support for nlffi under netbsd.  (Thanks to Vesa A. Norrman for
1048    the patch.)
1049    
1050    ----------------------------------------------------------------------
1051    Name: Matthias Blume (blume (at) tti - c (dot) org)
1052    Date: 2004/05/11 12:05:00 CDT
1053    Tag: blume-20040511-exports
1054    Description:
1055    
1056    As per request by Adam Chlipala <adam@hcoop.net>, extended various
1057    export lists in compiler-related .cm-files.
1058    
1059    ----------------------------------------------------------------------
1060    Name: Matthias Blume (blume (at) tti - c (dot) org)
1061    Date: 2004/05/11 11:35:00 CDT
1062    Tag: blume-20040511-allsource
1063    Description:
1064    
1065    The installer now honors the "src-smlnj" target again, although its meaning
1066    has changed from "all sources required for the compiler" to "all sources
1067    the installer knows about".  In other words, if you enable "src-smlnj"
1068    in the "targets" file, then the installer will pull in sources for
1069    everything.  (Notice that this refers to source code only.  Compiled
1070    code is still only installed for modules that were requested explicitly
1071    or which are required for other modules that were requested explicitly.)
1072    
1073    ----------------------------------------------------------------------
1074    Name: Matthias Blume (blume (at) tti - c (dot) org)
1075    Date: 2004/04/23 17:40:00 CDT
1076    Tag: blume-20040423-ieee-scan
1077    Description:
1078    
1079    Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
1080    in the exponent calculation we get INF or ZERO (depending on the mantissa
1081    and the sign of the exponent).
1082    
1083    ----------------------------------------------------------------------
1084    Name: Matthias Blume (blume (at) tti - c (dot) org)
1085    Date: 2004/04/23 10:40:00 CDT
1086    Tag: blume-20040423-ml-build
1087    Description:
1088    
1089    The ml-build script now terminates with a non-0 status when something
1090    goes wrong.
1091    
1092    ----------------------------------------------------------------------
1093    Name: Matthias Blume (blume (at) tti - c (dot) org)
1094    Date: 2004/04/22 16:35:00 CDT
1095    Tag: blume-20040422-Option
1096    Description:
1097    
1098    Made exception Option to be the same as exception Option.Option
1099    (as it should be).
1100    
1101    ----------------------------------------------------------------------
1102    Name: Allen Leung (leunga (at) reservoir (dot) com)
1103    Date: 2004/03/19 14:40:00 EST
1104    Tag: leunga-20040319-cygwin-nlffi
1105    Description:
1106    
1107    Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
1108    of SML/NJ.  The problem is that
1109    
1110       lib = dlopen(NULL, ...)
1111       f   = dlsym(lib, "malloc");
1112    
1113    does not work on Windows unless we explicitly export symbols
1114    such as 'malloc' during linking.  We fixed this by explicitly
1115    exporting the required symbols with the magic gcc incantation:
1116    
1117        -Wl,--export-all cygwin.def
1118    
1119    where cygwin.def is a file containing all the symbols that
1120    we wish to export.
1121    
1122    I suspect this is a Windows problem and we'll have to
1123    do the same (somehow with windows compilers) when
1124    we build the native win32 version with the system
1125    calls LoadLibrary/GetProcAddress.
1126    
1127    ----------------------------------------------------------------------
1128    Name: Matthias Blume (blume (at) tti - c (dot) org)
1129    Date: 2004/03/04 16:35:00 CST
1130    Tag: blume-20040304-intinf-fmt
1131    Description:
1132    
1133    Fixed problem with IntInf.fmt (sign would show up on the right instead
1134    of on the left for BIN, OCT, and HEX).
1135    
1136    ----------------------------------------------------------------------
1137    Name: Matthias Blume (blume (at) tti - c (dot) org)
1138    Date: 2004/03/04 11:25:00 CST
1139    Tag: blume-20040304-symlinks
1140    Description:
1141    
1142    Fixed problem with installer script (unix only) where bin/ml-yacc and
1143    friends pointed (via symlinks) to absolute locations instead of just
1144    .run-sml.  This was reported by Vesa A Norrman.
1145    
1146    ----------------------------------------------------------------------
1147    Name: Matthias Blume (blume (at) tti - c (dot) org)
1148    Date: 2004/02/13 14:50:00 CST
1149    Tag: Release_110_45
1150    Description:
1151    
1152    New working version (110.45). New bootfiles.
1153    
1154    ----------------------------------------------------------------------
1155    Name: Matthias Blume (blume (at) tti - c (dot) org)
1156    Date: 2004/01/26 15:15:15 CST
1157    Tag: blume-20040126-toplevel
1158    Description:
1159    
1160    Improved handling of exceptions at the interactive toplevel.
1161    
1162    ----------------------------------------------------------------------
1163    Name: Matthias Blume (blume (at) tti - c (dot) org)
1164    Date: 2004/01/26 11:25:00
1165    Tag: blume-20040126-app
1166    Description:
1167    
1168    Type of top-level "app" corrected.
1169    Added code for setting vp_limitPtrMask to Win32-specific runtime.
1170    
1171    ----------------------------------------------------------------------
1172    Name: Matthias Blume (blume (at) tti - c (dot) org)
1173    Date: 2003/11/18 17:10 CST
1174    Tag: blume-20031118-basis-fiddle
1175    Description:
1176    
1177    - changed Timer interface to what might become the spec
1178    - POSIX_FLAGS -> BIT_FLAGS according to spec
1179    - some other minor discrepancies wrt. spec eliminated
1180    
1181    ----------------------------------------------------------------------
1182    Name: Matthias Blume (blume (at) tti - c (dot) org)
1183    Date: 2003/11/06 12:00:00 CST
1184    Tag: Release_110_44
1185    Description:
1186    
1187    New working version (110.44). New bootfiles.
1188    
1189    ----------------------------------------------------------------------
1190    Name: Matthias Blume (blume (at) tti - c (dot) org)
1191    Date: 2003/11/04 11:50:00 CST
1192    Tag: blume-20031104-move-libraries
1193    Description:
1194    
1195    Eliminated the "dont_move_libraries" directive in config/targets.
1196    (The mechanism was broken and could not be fixed easily.  Moreover,
1197    there does not seem to be any reason not to move all libraries into
1198    lib during installation.  I originally implemented this directive as a
1199    backward-compatibility feature when I first introduced the new CM.
1200    Now that things have been stable for a long time and going back to the
1201    old CM is not an option, there is no reason to keep it around.)
1202    
1203    ----------------------------------------------------------------------
1204    Name: Matthias Blume (blume (at) tti - c (dot) org)
1205    Date: 2003/11/03 16:00:00 CST
1206    Tag: blume-20031103-installdir
1207    Description:
1208    
1209    Made installer honor INSTALLDIR variable again.  (Thanks to Chris
1210    Richards for pointing out the problem and providing the solution.)
1211    
1212    ----------------------------------------------------------------------
1213    Name: Matthias Blume (blume (at) tti - c (dot) org)
1214    Date: 2003/10/01 17:05:00 CDT
1215    Tag: blume-20031001-lal-mlrisc
1216    Description:
1217    
1218    MLRISC bug fix from Lal.
1219    
1220    ----------------------------------------------------------------------
1221    Name: Matthias Blume (blume (at) tti - c (dot) org)
1222    Date: 2003/09/30 16:10:00 CDT
1223    Tag: blume-20030930-primio-bat
1224    Description:
1225    
1226    1. Added openVector, nullRd, and nullWr to PRIM_IO.
1227    2. Improved .bat files (for Win32 port) to make things work under Win95.
1228       (thanks to Aaron S. Hawley for this one)
1229    
1230    ----------------------------------------------------------------------
1231    Name: Matthias Blume (blume (at) tti - c (dot) org)
1232    Date: 2003/09/26 16:05:00 CDT
1233    Tag: blume-20030926-wrappriv
1234    Description:
1235    
1236    Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
1237    
1238    ----------------------------------------------------------------------
1239    Name: Matthias Blume (blume (at) tti - c (dot) org)
1240    Date: 2003/09/26 15:00:00 CDT
1241    Tag: blume-20030926-110_43_3
1242    Description:
1243    
1244    - additional cleanup
1245    - version number bump, NEW BOOTFILES
1246    
1247    ----------------------------------------------------------------------
1248    Name: Matthias Blume (blume (at) tti - c (dot) org)
1249    Date: 2003/09/26 12:00:00 CDT
1250    Tag: blume-20030926-ppautoload
1251    Description:
1252    
1253    I modified the read-eval-print loop so that the autoloader gets
1254    invoked whenever the prettyprinter tries to look up a symbol that
1255    is not currently defined in the toplevel environment but which
1256    appears in CM's autoload registry.  As a result, we see far fewer of
1257    those ?.Foo.Bar.xxx names in the prettyprinter's output.
1258    
1259    In addition to this I tried to clean up some pieces of the Basis
1260    implementation (e.g., Socket, Word8Array) in order to prevent other
1261    instances of these ?.Foo.Bar.xxx names from being printed.
1262    
1263    The mechanism that picks names for types still needs some work, though.
1264    (Right now it seems that if there is a type A.t which is defined to
1265    be B.u, but B is unavailable at toplevel, then A.t gets printed as
1266    "?.B.u" although the perhaps more sensible solution would be to use
1267    "A.t" in this case.  In other words, the prettyprinter should follow
1268    a chain of DEFtycs not farther than there are corresponding toplevel
1269    names in the current environment.)
1270    
1271    ----------------------------------------------------------------------
1272    Name: Matthias Blume (blume (at) tti - c (dot) org)
1273    Date: 2003/09/24 16:31:00 CDT
1274    Tag: blume-20030924-installer
1275    Description:
1276    
1277    Another installer tweak:  All the ML code for the installer is now
1278    compiled during CMB.make and put into a little library called
1279    $smlnj/installer.cm.  The installation then simply invokes
1280    
1281       sml -m $smlnj/installer.cm
1282    
1283    and everything happens automagically.
1284    
1285    Win32:  ML code senses value of environment variable SMLNJ_HOME.
1286    Unix:   ML code senses values of environment variables ROOT, CONFIGDIR,
1287            and BINDIR.
1288    
1289    The new scheme guarantees that the ML code responsible for the installation
1290    is in sync with the APIs of the main system.  Also, the installer is
1291    somewhat faster because the installer script is precompiled.
1292    
1293    ----------------------------------------------------------------------
1294    Name: Matthias Blume (blume (at) tti - c (dot) org)
1295  Date: 2003/09/24 15:35:00 CDT  Date: 2003/09/24 15:35:00 CDT
1296  Tag: blume-20030924-synsock  Tag: blume-20030924-synsock
1297  Description:  Description:

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