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Diff of /sml/trunk/NOTES/HISTORY

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sml/trunk/HISTORY revision 1546, Wed Jul 14 18:38:08 2004 UTC sml/trunk/NOTES/HISTORY revision 2269, Sun Jan 28 13:46:32 2007 UTC
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1  This is the HISTORY file for the Yale SML/NJ CVS repository.  This is the HISTORY file for the SML/NJ repository.
2    
3  An entry should be made for _every_ commit to the repository.  An entry should be made for _every_ commit to the repository.
4  The entries in this file will be used when creating the README  The entries in this file will be used when creating the README
# Line 7  Line 7 
7    
8  The form of an entry should be:  The form of an entry should be:
9    
10  Name:  
11    Name: Your Name (web page or e-mail)
12    Date: yyyy/mm/dd hh:mm:ss
13    Tag: cvs-tag-for-this-change
14    Description:
15    
16    ----------------------------------------------------------------------
17    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
18    Date: 2007/01/28
19    Description:
20    
21    Added the UTF8 structure and signature from the Moby compiler to
22    the SML/NJ library (and the CML library).  These modules will replace
23    the version in the ml-lpt-lib.
24    
25    ----------------------------------------------------------------------
26    Name: Matthias Blume (http://www.tti-c.org/blume/)
27    Date: 2007/01/26 15:10:00 CST
28    Description:
29    
30    Added entries to handle ml-lpt-lib.cm in installer.
31    
32    ----------------------------------------------------------------------
33    Name: Matthias Blume (http://www.tti-c.org/blume/)
34    Date: 2006/12/15 11:10:00 CST
35    Tag: release-110.61
36    Description:
37    
38    New working release (110.61).  NEW BOOTFILES!
39    
40    This supersedes the pre-brown-paper-bug release (see below).
41    
42    ----------------------------------------------------------------------
43    Name: Matthias Blume (http://www.tti-c.org/blume/)
44    Date: 2006/12/15 11:00:00 CST
45    Description:
46    
47    Fixed brown-paper-bag bug with CM's pathname handling, which made
48    installation fail under Win32.
49    
50    ----------------------------------------------------------------------
51    Name: Matthias Blume (http://www.tti-c.org/blume/)
52    Date: 2006/12/14 12:00:00 CST
53    Description:
54    
55    Obsolete!
56    
57    [New working release (110.61).  NEW BOOTFILES!]
58    
59    ----------------------------------------------------------------------
60    Name: John Reppy (http://cs.uchicago.edu/~jhr)
61    Date: 2006/14/06 09:50:00 CST
62    Description:
63    
64    Fixed the code in runtime/c-libs/posix-tty/{tcgetattr,tcsetattr}.c to
65    get the c_cc termios data copied correctly.  Also moved the allocation
66    of the string to avoid problems if it caused a GC.
67    
68    Thanks to Timothy Bourke for the bug report and fix.
69    
70    ----------------------------------------------------------------------
71    Name: Matthias Blume (http://www.tti-c.org/blume)
72    Date: 2006/12/08 09:50:00 CST
73    Description:
74    
75    Added code to CM's "standard shell tool" implementation which
76    causes it to tolerate (with a warning) the situation where the shell
77    command fails (e.g., due to the shell command's non-existence)
78    as long as all target files exist.
79    
80    This makes it possible to, e.g., build ml-yacc from sources even if
81    svn checkout messed up the time stamps on files in such a way that
82    yacc.grm is younger than yacc.grm.sml or yacc.grm.sig.  (Ml-yacc would
83    be needed to re-process yacc.grm, but obviously it might not yet be
84    available at that time.)
85    
86    ----------------------------------------------------------------------
87    Name: John Reppy (http://cs.uchicago.edu/~jhr)
88    Date: 2006/12/06 12:06:00 CST
89    Description:
90    
91    Fixed the types of recvVecFrom, recvVecFrom', recvVecFromNB, and
92    recvVecFromNB' in the SOCKET signature.  This error is actually
93    in the SML Basis specification too.
94    
95    ----------------------------------------------------------------------
96    Name: Matthias Blume (http://www.tti-c.org/blume/)
97    Date: 2006/12/05 22:40:00 CST
98    Description:
99    
100    CM now reports undefined anchors as errors and aborts execution
101    rather than silently pressing on using bogus values.
102    
103    ----------------------------------------------------------------------
104    Name: Matthias Blume (http://www.tti-c.org/blume/)
105    Date: 2006/11/29 10:00:00 CST
106    Description:
107    
108    Use Say.vsay for printing the "[autoloading]" message, so
109    #set CM.Control.verbose false (or -Ccm.verbose=false) can be used
110    to suppress them.
111    
112    ----------------------------------------------------------------------
113    Name: Matthias Blume (http://www.tti-c.org/blume/)
114    Date: 2006/11/10 11:00:00 CST
115    Description:
116    
117    Fixed bug in CM where "with:" specifications that affect compilation
118    (as opposed to parsing) were ignored.
119    
120    ----------------------------------------------------------------------
121    Name: Matthias Blume (http://www.tti-c.org/blume/)
122    Date: 2006/11/09 14:30:00 CST
123    Tag: release-110.60
124    Description:
125    
126    New working release (110.60).  NEW BOOTFILES!
127    
128    This is the first subversion-hosted release.  There are also changes
129    to the directory layout.  Here is a table:
130    
131    (All pathnames are relative to the SML/NJ "root" directory.)
132    
133      config -> config
134    
135      src/cm -> base/cm
136      src/compiler -> base/compiler
137      src/runtime -> base/runtime
138      src/system -> base/system
139    
140      src/cm/pgraph -> pgraph
141    
142      src/READMES -> base/READMES
143      src/$notefile -> base/NOTES/$notefile
144         for <notefile> in BOOT CVSNOTES CYGWININSTALL HISTORY INSTALL
145                           MACOSXINSTALL WININSTALL
146    
147      src/smlnj-lib -> smlnj-lib
148      src/MLRISC -> MLRISC
149      ckit -> ckit
150      src/cml -> cml
151      src/eXene -> eXene
152      src/heap2asm -> heap2asm
153      src/lexgen -> lexgen
154      src/ml-burg -> ml-burg
155      src/ml-lex -> ml-lex
156      src/ml-yacc -> ml-yacc
157      src/ml-nlffi-lib -> nlffi/lib
158      src/ml-nlffigen -> nlffi/gen
159      src/smlnj-c -> smlnj-c
160      src/tools/TraceDebugProf -> trace-debug-profile
161    
162    In addition, there is also a new
163    
164      ml-lpt
165    
166    directory containing two new program generator tools: ml-ulex and
167    ml-antlr (a lexer generator that handles unicode and an ANTRL-inspired
168    LL(k) parser generator). These tools are currently "beta-quality"
169    
170    The latest versios of the sources can now be obtained anonymously
171    via subversion.  For this, it is useful to first check out
172    
173       svn://smlnj-gforge.cs.uchicago.edu/smlnj/admin
174    
175    and put the resulting directory on your shell's PATH.  This provides
176    access to three shell scripts: checkout-all.sh, stat-all.sh,
177    and refresh-all.sh.
178    
179    To create a freshly checked-out copy of the sources, do
180    
181       checkout-all.sh [dir]
182    
183    where dir is the optional SML/NJ root directory (default is ".").
184    
185    This creates the above directory layout.  Each subdirectory of
186    the root is under individual subversion control.  The stat-all.sh
187    and refresh-al.sh scripts apply "svn stat" or "svn update" to
188    each of these subtrees.
189    
190    ----------------------------------------------------------------------
191    Name: Matthias Blume (http://www.tti-c.org/blume/)
192    Date: 2006/11/02 12:20:00 CST
193    Description:
194    
195    Reorganized directory layout.
196    
197    This is a temporary solution, more reorganization is to come.
198    
199    The basic idea is to have a number of toplevel trees, each corresponding
200    to a well-defined part of the overall system.  Each part can be
201    maintained individually, even in separate source repositories,
202    although currently we still serve everything out of the main
203    smlnj-gforge tree.
204    
205    Installer and and scripts have been updated to reflect the new
206    layout.  The installer (base/src/system/smlnj/installer) is now
207    "scriptable" to avoid burning too much knowledge about the
208    layout into SML source code.  The main script used by the installer
209    is in config/actions.
210    
211    The main change is that many of the subdirectories of what used to
212    be known as "src" have moved to the toplevel.  The "src" directory
213    itself has moved down into a subtree called "base".  (We may eventually
214    get rid of the extra level of indirection represented by "src".)
215    
216    The layout is now as follows:
217    
218      toplevel tree name | default repository
219                         | (using gf=svn://smlnj-gforge.cs.uchicago.edu/smlnj)
220      -------------------+----------------------------------------------------
221      config             | $gf/config/trunk
222                         |
223      base               | $gf/sml/trunk
224                         |
225      smlnj-lib          | $gf/smlnj-lib/trunk
226      MLRISC             | $gf/MLRISC/trunk
227                         |
228      ml-yacc            | $gf/ml-yacc/trunk
229      ml-lex             | $gf/ml-lex/trunk
230      ml-burg            | $gf/ml-burg/trunk
231      lexgen             | $gf/lexgen/trunk
232      heap2asm           | $gf/heap2asm/trunk
233                         |
234      cml                | $gf/cml/trunk
235      eXene              | $gf/eXene/trunk
236      ckit               | $gf/ckit/trunk
237      nlffi              | $gf/nlffi/trunk
238                         |
239      smlnj-c            | $gf/smlnj-c/trunk
240    
241    In $gf/admin there are a few useful shell scripts for checking out
242    and maintaining the entire collection of trees:
243    
244       admin/checkout-all.sh [dir]
245          -- optionally creates dir and checks out all trees from their
246             default repositories; if dir is missing, checkout into .
247       admin/refresh-all.sh [dir]
248          -- looks at all trees (from the above list) in dir (default: .)
249             and runs "svn update" if the tree exists and is under
250             subversion control;
251             non-existing or non-subversion trees are skipped
252       admin/stat-all.sh [dir]
253          -- like refresh-all.sh, but runs "svn stat" instead
254    
255    ----------------------------------------------------------------------
256    Name: Matthias Blume (http://www.tti-c.org/blume/)
257    Date: 2006/10/05 11:30:00 CDT
258    Tag: blume-20061005-merge-amd64
259    Description:
260    
261    Merged code for AMD64 backend (Mike Rainey's work).
262    Everything is hooked up but untested.
263    
264    ----------------------------------------------------------------------
265    Name: Matthias Blume (http://www.tti-c.org/blume/)
266    Date: 2006/05/17 14:00:00 CST
267    Tag: Release_110_59
268    Description:
269    
270    New working version (110.59).  NEW BOOTFILES!
271    
272    I am freezing 110.59.  Changes other than the version-number increase:
273    
274      eXene:
275    
276         * committed changes to eXene from Alley Stoughton:
277             "fixed bugs in X authorization and resource handling, as well
278              as in the pile and viewport widgets"
279    
280      Runtime:
281        * fixed linking problem with NetBSD 3.x.
282    
283      Lexgen:
284        * lexgen tool handles non-ascii characters in 7-bit mode the same
285          way that ml-lex does
286    
287        * lexgen propagates exceptions the same way that ml-lex does
288    
289      CML:
290        * Fixed a bug in the SyncVar polling functions (iGetPoll,
291          mTakePoll, and mGetPoll) that could lead to livelock.
292    
293    ----------------------------------------------------------------------
294    Name: Matthias Blume (http://www.tti-c.org/blume/)
295    Date: 2006/05/12 15:20:00 CST
296    Tag: blume-20060515-makedepend
297    Description:
298    
299    Implemented ml-makedepend (i.e., CM.sources) in a better (more robust)
300    way.  This should hopefully fix the ml-makedepend problem permanently.
301    
302    ----------------------------------------------------------------------
303    Name: Matthias Blume (http://www.tti-c.org/blume/)
304    Date: 2006/05/12 15:15:00 CST
305    Tag: blume-20060512-makedepend
306    Description:
307    
308    Fixed long-standing bug with ml-makedepend where it would output a
309    spurious dependency to a non-existing file.  (This is a simple fix.
310    It might need further looking into.)
311    
312    ----------------------------------------------------------------------
313    Name: Matthias Blume (http://www.tti-c.org/blume/)
314    Date: 2006/04/20 10:30:00 CDT
315    Tag: blume-20060420-heap2exec
316    Description:
317    
318    Committed patches received from Johannes 5 Joemann (joemann@befree.free.de)
319    that enable heap2exec under Linux and FreeBSD.
320    
321    ----------------------------------------------------------------------
322    Name: John Reppy
323    Date: 2006/04/14
324    Tag:
325    Description:
326    
327    MLRISC changes:
328      1) renamed GAS_PSEUDO_OPS to AS_PSEUDO_OPS and put it in its own file.
329      2) added support for NOTB and XORB operators in pseudo-op expressions
330      3) added DarwinPseudoOp functor that supports Darwin's assembler syntax.
331      4) added support for 64-bit integer literals
332    
333    ----------------------------------------------------------------------
334    Name: Matthias Blume (http://www.tti-c.org/blume/)
335  Date: yyyy/mm/dd  Date: yyyy/mm/dd
336  Tag: <post-commit CVS tag>  Tag: Release_110_58
337    Description:
338    
339    New working version (110.58).  NEW BOOTFILES!
340    
341    ----------------------------------------------------------------------
342    Name: Matthias Blume (http://www.tti-c.org/blume/)
343    Date: 2006/03/01 22:15:00 CST
344    Tag: blume-20060301-lexgen
345    Description:
346    
347    Incorporated several bugfixes to lexgen.  Compiler now compiles to
348    fixpoint when using lexgen instead of ml-lex.
349    
350    ----------------------------------------------------------------------
351    Name: Matthias Blume (http://www.tti-c.org/blume/)
352    Date: 2006/02/28 22:45:00 CST
353    Tag: blume-20060228-lexgen
354    Description:
355    
356    Removed ml-flex and added lexgen instead, using Aaron Turon's newly
357    provided tarball.  The generated lexers still have problems.
358    
359    ----------------------------------------------------------------------
360    Name: Matthias Blume (http://www.tti-c.org/blume/)
361    Date: 2006/02/26 23:30:00 CST
362    Tag: blume-20060226-ml-flex
363    Description:
364    
365    Removed ml-flex' dependency on regexp-lib.cm.  Turned installation
366    of ml-flex on by default.
367    
368    ----------------------------------------------------------------------
369    Name: Matthias Blume (http://www.tti-c.org/blume/)
370    Date: 2006/02/24 16:30:00 CST
371    Tag: blume-20060224-ml-flex
372    Description:
373    
374    Added ml-flex sources.  Partially integrated, but should not be
375    turned on yet!  (Read: leave it commented-out in config/targets!)
376    
377    ----------------------------------------------------------------------
378    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
379    Date: 2006/02/23
380    Tag: jhr-20060223-x86-64
381    Description:
382    Changes to support building on x86-64 systems (using the 32-bit mode).
383    Also cleaned up signal handling on Linux.  Support for pre-2.2 Linux
384    kernels dropped.
385    
386    ----------------------------------------------------------------------
387    Name: Allen Leung (leunga (at) reservoir (dot) com)
388    Date: 2006/02/22 15:07:00 EST
389    Tag: leunga-20060222-mdl-gen
390    Description:
391    
392      CM has changed.  Updated the script for rebuilding the MLRISC generated
393    files.
394    
395    ----------------------------------------------------------------------
396    Name: Matthias Blume (http://www.tti-c.org/blume/)
397    Date: 2006/02/14 17:30:00 CST
398    Tag: blume-20060214-intel-mac
399    Description:
400    
401    Hooked code for Darwin-specific Intel ABI into main compiler.
402    (This is a temporary solution which relies on the fact that the
403    compiler itself does not use NLFFI.  Eventually we need to divorce
404    intel mac from generic x86 unix code and make separate sets of binaries.)
405    
406    ----------------------------------------------------------------------
407    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
408    Date: 2006/02/13
409    Tag: jhr-20060213-intel-mac
410    Description:
411    Changed MLRISC x86 CCalls for partial support of MacOS X ABI.
412    
413    ----------------------------------------------------------------------
414    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
415    Date: 2006/02/06
416    Tag: jhr-20060206-intel-mac
417    Description:
418    Changes to support MacOS X on Intel hardware.  The C-calls support in
419    MLRISC must also be updated to support the MacOS X ABI.
420    
421    ----------------------------------------------------------------------
422    Name: Matthias Blume (http://www.tti-c.org/blume/)
423    Date: 2005/12/16 00:15:00 CST
424    Tag: blume-20051216-cm
425    Description:
426    
427    Improved error reporting and handling in CM.
428    
429    ----------------------------------------------------------------------
430    Name: Matthias Blume (http://www.tti-c.org/blume/)
431    Date: 2005/11/21 14:00:00 CST
432    Tag: blume-20051121-html-lib
433    Description:
434    
435    Enabling $/html-lib.cm in config/preloads did not work.  This is fixed
436    now.  (Since the anchor mapping for html-lib.cm is not yet in effect
437    at the time when config/preloads is processed, the library has to
438    be referred to by another name.  In 110.57 this would be
439    $SMLNJ-LIB/HTML/html-lib.cm.  I arranged for $smlnj/smlnj-lib/html-lib.cm
440    to be valid as well.)
441    
442    Thanks to Todd Wilson (Fresno) for alerting me to this issue.
443    
444    ----------------------------------------------------------------------
445    Name: Matthias Blume (http://www.tti-c.org/blume/)
446    Date: 2005/11/19 13:45:00 CST
447    Tag: Release_110_57
448    Description:
449    
450    Moved release tag for 110.57.
451    
452    ----------------------------------------------------------------------
453    Name: Matthias Blume (http://www.tti-c.org/blume/)
454    Date: 2005/11/19 23:35:00 CST
455    Tag: blume-20051119-fish
456    Description:
457    
458    Fixed a problem in config/install.sh where it tries to "fish" the
459    name of the CM metadata directory from the wrong place (because
460    the physical location of basis.cm has changed).  Also, corrected the
461    path anchor for $/html-lib.cm.  (Thanks to M. Fluet for pointing out
462    these problems.)
463    
464    ----------------------------------------------------------------------
465    Name: Matthias Blume (http://www.tti-c.org/blume/)
466    Date: 2005/11/16 14:30:00 CST
467    Tag: blume-orig-110_57
468    Description:
469    
470    New working version (110.57).  NEW BOOTFILES!
471    
472    UPDATE: The release tag has been moved to include a fix for a brown-paper-
473            bag glitch (see above).
474    
475    ----------------------------------------------------------------------
476    Name: Matthias Blume (http://www.tti-c.org/blume/)
477    Date: 2005/11/16 10:25:00 CST
478    Tag: blume-22051116-btrace
479    Description:
480    
481    Fixed problem with bogus exception message when using back-trace
482    facility.
483    
484    ----------------------------------------------------------------------
485    Name: Matthias Blume (http://www.tti-c.org/blume/)
486    Date: 2005/11/15 22:35:00 CST
487    Tag: blume-22051115-array2copy
488    Description:
489    
490    Added simple implementation of Array2.copy.  (Warning: mostly untested.)
491    
492    ----------------------------------------------------------------------
493    Name: Matthias Blume (http://www.tti-c.org/blume/)
494    Date: 2005/11/15 21:35:00 CST
495    Tag: blume-22051115-versiontool
496    Description:
497    
498    Reversed change to src/system/smlnj/internals/versiontool.cm.  This
499    file gets loaded as a tool -- by the equivalent of CM.make during the
500    run of CMB.make.  Thus, CMB's path configuration is meaningless for
501    it.  Instead, it has the status of "user code", so it should use
502    $/basis.cm to refer to the Basis library.  (At least that's true for
503    the purpose of bootstrapping the previous change.  In the future it
504    might make sense to have versiontool.cm refer to
505    $smlnj/basis/basis.cm, i.e., the version of the Basis that the
506    compiler itself uses.)
507    
508    Also patched src/system/testml to have it activate those extra anchor
509    bindings in config/extrapathconfig.
510    
511    ----------------------------------------------------------------------
512    Name: Matthias Blume (http://www.tti-c.org/blume/)
513    Date: 2005/11/15 16:35:00 CST
514    Tag: blume-22051115-libraries
515    Description:
516    
517    This change affects the way the following libraries are tied into
518    the system:
519    
520       $/basis.cm
521       $/smlnj-lib.cm
522       $/pp-lib.cm
523       $/controls-lib.cm
524       $/html-lib.cm
525       $/ml-yacc-lib.cm
526    
527    These libraries are now internally (as seen from the source code
528    of the implementation itself) known by the following names:
529    
530       $smlnj/basis/basis.cm
531       $smlnj/smlnj-lib/smlnj-lib.cm
532       $smlnj/smlnj-lib/pp-lib.cm
533       $smlnj/smlnj-lib/controls-lib.cm
534       $smlnj/smlnj-lib/html-lib.cm
535       $smlnj/ml-yacc/ml-yacc-lib.cm
536    
537    This makes it possible to work with code that requires different
538    versions of these libraries, and which refers to these libraries using
539    their "default" names (i.e., the first set of names above).  In other
540    words, one can un-define or re-define those default names without
541    compromising the proper functioning of the compiler itself.
542    
543    A similar procedure had already been performed for several of the
544    MLRISC libraries that are linked into the compiler.  I did some
545    cleanup on this code.
546    
547    A new file in the config directory (named extrapathconfig) is
548    responsible for setting up path anchors that the compiler itself does
549    not need, but that are typically required by user code.
550    
551    ----------------------------------------------------------------------
552    Name: Matthias Blume
553    Date: 2005/11/07 17:05:00 CST
554    Tag: blume-20051107-slice
555    Description:
556    
557    Fixed erroneous out-of-bounds test in the "update" function of
558    various *ArraySlice modules.  (Thanks to Vesa A. Norrman for pointing
559    out the problem.)
560    
561    Pushed some Basis changes through ML-Lex, CML, and eXene.
562    
563    ----------------------------------------------------------------------
564    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
565    Date: 2005/11/07
566    Description:
567    Fixed a Basis incompatibility: The depreciated function Substring.all
568    was removed (use Substring.full instead).
569    
570    ----------------------------------------------------------------------
571    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
572    Date: 2005/11/05
573    Description:
574    Tweaked interval set API in SML/NJ library; see the CHANGES file for details.
575    
576    ----------------------------------------------------------------------
577    Name: Matthias Blume (http://www.tti-c.org/blume/)
578    Date: 2005/11/02 16:25:00 CST
579    Tag: blume-20051102-hex
580    Description:
581    
582    * Runtime system bootstrap code now accepts hex digits in BOOTLIST
583      in either upper case or lower case format.
584    * Pushed changes to names of Pack<N>{Big,Little} structures through
585      CML and eXene.
586    
587    ----------------------------------------------------------------------
588    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
589    Date: 2005/11/02
590    Description:
591    Fixed a Basis incompatibility: Pack<N>{Big,Little} structures should
592    be called PackWord<N>{Big,Little}.
593    
594    ----------------------------------------------------------------------
595    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
596    Date: 2005/10/28
597    Description:
598    Fixed a minor Basis incompatibility: hex digits should be upper case.
599    
600    ----------------------------------------------------------------------
601    Name: Matthias Blume (blume (at) tti - c (dot) org)
602    Date: 2005/10/25 16:00:00 CDT
603    Tag: Release_110_56
604  Description:  Description:
605    
606    New working version (110.56).  NEW BOOTFILES!
607    
608    ----------------------------------------------------------------------
609    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
610    Date: 2005/10/25
611    Description:
612    Added interval sets to utility library (signatures INTERVAL_DOMAIN
613    and INTERVAL_SET, and functor IntervalSetFn).
614    
615    ----------------------------------------------------------------------
616    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
617    Date: 2005/10/14
618    Description:
619    Add Zhong Shao's fix for datatype equality functions.
620    
621    ----------------------------------------------------------------------
622    Name: Allen Leung (leunga (at) reservoir (dot) com)
623    Date: 2005/10/14 12:30:00 EST
624    Tag: leunga-20051014-x86-spill
625    Description:
626    
627    Bug fix a bug found by Carl Hauser.
628    There was a typo in the reload code for FCMP in x86SpillInstr.sml.
629    
630    ----------------------------------------------------------------------
631    Name: Allen Leung (leunga (at) reservoir (dot) com)
632    Date: 2005/10/14 11:15:00 EST
633    Tag: leunga-20051014-x86-asm
634    Description:
635    
636    Removed some debugging code in file x86Asm.sml.
637    The function emit_operand was printing out debugging output.
638    
639    ----------------------------------------------------------------------
640    Name: John Reppy
641    Date: 2005/07/27
642    Tag:
643    Description:
644    
645    Fixed ml-lex to recognize "\r" as representing carriage return.
646    
647    ----------------------------------------------------------------------
648    Name: John Reppy
649    Date: 2005/07/27
650    Tag:
651    Description:
652    
653    Fixed ml-yacc to work on files with non-native end-of-line
654    encodings (e.g., Windows text file on a Unix system).
655    
656    ----------------------------------------------------------------------
657    Name: John Reppy
658    Date: 2005/07/20
659    Tag:
660    Description:
661    
662    Added changes from Dominic Evans (oldmanuk (at) gmail (dot) com)
663    to support HPUX 11.
664    
665    ----------------------------------------------------------------------
666    Name: John Reppy
667    Date: 2005/07/06
668    Tag:
669    Description:
670    
671    Changes to the SML/NJ library.  See smlnj-lib/CHANGES for details.
672    
673    ----------------------------------------------------------------------
674    Name: Matthias Blume (blume (at) tti - c (dot) org)
675    Date: 2005/07/06 00:45:00 CDT
676    Tag: blume-20050706-slice-copy
677    Description:
678    
679    Fixed reversed logic for deciding whether to "copy up" or "copy down"
680    in *-array-slice.sml.
681    
682    ----------------------------------------------------------------------
683    Name: Allen Leung (leunga (at) reservoir (dot) com)
684    Date: 2005/05/31 17:00:00 EST
685    Tag: leunga-20050531-cygwin-fault-2
686    Description:
687    
688    A typo in the cygwin code fixed.
689    
690    ----------------------------------------------------------------------
691    Name: Allen Leung (leunga (at) reservoir (dot) com)
692    Date: 2005/05/31 16:47:00 EST
693    Tag: leunga-20050531-cygwin-fault
694    Description:
695    
696    Updated Cygwin's fault/signal handling to match the Windows version.
697    Updated the export list.
698    
699    ----------------------------------------------------------------------
700    Name: Matthias Blume (blume (at) tti - c (dot) org)
701    Date: 2005/05/18 13:35:00 CDT
702    Tag: Release_110_54
703    Description:
704    
705    New working version (110.54).  NEW BOOTFILES!
706    
707    ----------------------------------------------------------------------
708    Name: Matthias Blume (blume (at) tti - c (dot) org)
709    Date: 2005/05/18 11:58:00 CDT
710    Tag: blume-20050518-installer
711    Description:
712    
713    Added support scripts for Mac OS X PackageMaker and modified
714    config/install.sh so that it supports re-dumping a heap image
715    after customization.
716    
717    ----------------------------------------------------------------------
718    Name: Matthias Blume (blume (at) tti - c (dot) org)
719    Date: 2005/05/18 10:55:00 CDT
720    Tag: blume-20050518-realdiv-noovld
721    Description:
722    
723    Un-overloaded / to work around bug in overloading resolution code.
724    
725    ----------------------------------------------------------------------
726    Name: Matthias Blume (blume (at) tti - c (dot) org)
727    Date: 2005/05/16 23:50:00 CDT
728    Tag: blume-20050516-redump-heap
729    Description:
730    
731    Added mechanism for re-creating a heap file for the interactive system
732    after configuration variables have been changed.
733    
734       CM.redump_heap : string -> unit
735    
736    This is much like SMLofNJ.exportML, but starting from the resulting
737    heap does not return to the caller of CM.redump_heap but
738    restarts the interactive system from scratch.  The original call of
739    CM.redump_heap does not return but ends the interactive session.
740    Thus, CM.redump_heap is a lot like SMLofNJ.exportFn.
741    
742    Internally, redump_heap winds the dynamic execution context back to
743    the point where the original heap image was created and re-executes
744    the heap image generation code in the boot code.
745    
746    ----------------------------------------------------------------------
747    Name: Matthias Blume (blume (at) tti - c (dot) org)
748    Date: 2005/05/09 21:55:00 CDT
749    Tag: blume-20050509-word64
750    Description:
751    
752    Added a hack to the existing hack known as Word64 to make fromString
753    behave correctly.  I am still not sure whether Word64.scan will work
754    as specified with respect to the interaction of radix and prefix.
755    
756    ----------------------------------------------------------------------
757    Name: Allen Leung (leunga (at) reservoir (dot) com)
758    Date: 2005/05/04 11:50:00 EST
759    Tag: leunga-20050504-checkgc
760    Description:
761    
762    Added a gc protocol checking phase.  This phase is enabled with
763    the flag "check-gc".  "debug-check-gc" turns on the verbose mode.
764    
765    ----------------------------------------------------------------------
766    Name: Matthias Blume (blume (at) tti - c (dot) org)
767    Date: 2005/05/04 10:45:00 CDT
768    Tag: blume-20050504-intinf
769    Description:
770    
771    Fixed a bug in the implementation of div and mod for IntInf.
772    Thanks to Neophytos Michael for reporting the problem.
773    
774    ----------------------------------------------------------------------
775    Name: Matthias Blume (blume (at) tti - c (dot) org)
776    Date: 2005/05/04 10:35:00 CDT
777    Tag: blume-20050504-join
778    Description:
779    
780    Added a "join" combinator to the ParserComb module in smlnj-lib.cm.
781    
782    ----------------------------------------------------------------------
783    Name: Matthias Blume (blume (at) tti - c (dot) org)
784    Date: 2005/02/28 23:40:00 CST
785    Tag: blume-20050228-mVar
786    Description:
787    
788    Fixed serious bug (brown paper bag variety) in new implementation of
789    structure Atom in CML.  (I had accidentally used a mailbox instead of
790    an mvar, leaving the door open for races.)
791    
792    ----------------------------------------------------------------------
793    Name: Matthias Blume (blume (at) tti - c (dot) org)
794    Date: 2005/02/25 15:00:00 CST
795    Tag: Release_110_53
796    Description:
797    
798    New working version (110.53).  NEW BOOTFILES!
799    
800    ----------------------------------------------------------------------
801    Name: Matthias Blume (blume (at) tti - c (dot) org)
802    Date: 2005/02/25 14:50:00 CST
803    Tag: blume-20050225-susp
804    Description:
805    
806    Brought back SMLofNJ.Susp.  The underlying suspension type is the one
807    implemented in Core -- which means that it is the same as the one used
808    by the lazy extension.
809    
810    ----------------------------------------------------------------------
811    Name: Matthias Blume (blume (at) tti - c (dot) org)
812    Date: 2005/02/24 16:50:00 CST
813    Tag: blume-20050224-cml-atom
814    Description:
815    
816    Simpler and at the same time more general implementation of structure
817    Atom in CML.
818    
819    ----------------------------------------------------------------------
820    Name: Matthias Blume (blume (at) tti - c (dot) org)
821    Date: 2005/02/15 17:35:00 CST
822    Tag: blume-20050215-tools
823    Description:
824    
825    Created new "tools" directory under "src" and moved "TraceDebugProf"
826    there.
827    
828    ----------------------------------------------------------------------
829    Name: Matthias Blume (blume (at) tti - c (dot) org)
830    Date: 2005/02/10 17:55:00 CST
831    Tag: blume-20050210-longlong
832    Description:
833    
834    Implemented "long long" arguments and results for NLFFI.  (Only the
835    PPC/MacOS implementation is complete, the other backends still need to
836    be updated.)
837    
838    ----------------------------------------------------------------------
839    Name: Matthias Blume (blume (at) tti - c (dot) org)
840    Date: 2005/01/24 17:40:00 CST
841    Tag: blume-20050124-mlyacc
842    Description:
843    
844    Minor cleanup in ML-Yacc rule printing mechanism.  This should fix a
845    problem with certain "as" patterns which previously got rendered
846    using incorrect syntax.
847    
848    ----------------------------------------------------------------------
849    Name: Matthias Blume (blume (at) tti - c (dot) org)
850    Date: 2005/01/18 12:00:00 CST
851    Tag: blume-20050118-profile
852    Description:
853    
854    Made time profiling code (interrupt handler) in runtime system aware
855    of new array representation.
856    
857    ----------------------------------------------------------------------
858    Name: Matthias Blume (blume (at) tti - c (dot) org)
859    Date: 2005/01/14 18:00:00 CST
860    Tag: blume-20050114-heap2exec
861    Description:
862    
863    Implemented new (but still experimental) heap2exec facility.  This is
864    tested under Mac OS X and should work under Linux (will test shortly).
865    It will probably also work on the Sparc (will test some time later).
866    
867      - removed old "HACKED_STANDALONE" hack from runtime
868    
869    To be able to test this, uncomment the request for "heap2asm" in
870    config/targets prior to installation.  (Notice that this is different
871    from "heap2exec" mentioned below.  Not a typo.)
872    
873    To perform an actual test, run the command
874    
875       $ bin/heap2exec heapfile execfile
876    
877    (You can put heap2exec on your shell's path.)
878    
879    For example, run
880    
881      $ bin/heap2exec bin/.heap/ml-yacc.ppc-darwin mly
882    
883    This will create a standalone executable called "mly" which you can
884    then invoke directly as a command.
885    
886    ----------------------------------------------------------------------
887    Name: Matthias Blume (blume (at) tti - c (dot) org)
888    Date: 2005/01/07 11:44:00 CST
889    Tag: blume-20050107-mlstring
890    Description:
891    
892    fixed off-by-one error in ML_STRING macro (globals.c)
893    
894    ----------------------------------------------------------------------
895    Name: Matthias Blume (blume (at) tti - c (dot) org)
896    Date: 2004/12/23 18:00:00 CST
897    Tag: blume-20041223-santa
898    Description:
899    
900    Made ml-build script "smarter" (but only very little).
901    
902    ----------------------------------------------------------------------
903    Name: Matthias Blume (blume (at) tti - c (dot) org)
904    Date: 2004/12/21 15:05:00 CST
905    Tag: blume-20041221-longlong
906    Description:
907    
908    * Implemented access to signed and unsigned long long data in NLFFI.
909    (The parameter-passing part of the picture has not complete. But
910    data structure access seems to work.)
911    
912    * Fixed CM's incorrect assumption that the PPC is little-endian.
913      (On the Mac, it is big-endian.  And that's currently our only
914      PPC platform.)
915    
916    ----------------------------------------------------------------------
917    Name: Matthias Blume (blume (at) tti - c (dot) org)
918    Date: 2004/12/21 12:50:00 CST
919    Tag: blume-20041221-memory
920    Description:
921    
922    Some cleanup in the $c/memory.cm library: separated some concerns by
923    moving allocation code and memory access code each into their own
924    files.
925    
926    ----------------------------------------------------------------------
927    Name: Allen Leung (leunga (at) reservoir (dot) com)
928    Date: 2004/12/17 16:12:00 EST
929    Tag: leunga-20041217-cygwin-smlnj-home
930    Description:
931    
932        The Unix I/O library of SML/NJ on cygwin does not understand
933    Windows style pathname, so problems arise when SMLNJ_HOME is set
934    to a Windows style pathname.  _run-sml now converts SMLNJ_HOME
935    to a POSIX pathname on cygwin.
936    
937    ----------------------------------------------------------------------
938    Name: Matthias Blume (blume (at) tti - c (dot) org)
939    Date: 2004/12/16 13:35:00 CST
940    Tag: Release_110_52
941    Description:
942    
943    Last-minute changes incorporated into 110.52.  Release tag moved.
944    
945    The changes:
946       - HashString.hashString' -> HashString.hashSubstring
947       - bug fix in UnivariateStats
948    
949    ----------------------------------------------------------------------
950    Name: Matthias Blume (blume (at) tti - c (dot) org)
951    Date: 2004/12/15 23:40:00 CST
952    Tag: blume-20041215-hashSubstring
953    Description:
954    
955    - HashString.hashString' -> HashString.hashSubstring
956    - corresponding changes in atom.sml
957    - "de-compressed" (aka. un-obfuscated) code for UnivariateStats and
958      added some comments
959    
960    ----------------------------------------------------------------------
961    Name: Matthias Blume (blume (at) tti - c (dot) org)
962    Date: 2004/12/15 15:30:00 CST
963    Tag: (Release_110_52)
964    Description:
965    
966    New working version (110.52).  NEW BOOTFILES!
967    
968    ----------------------------------------------------------------------
969    Name: Matthias Blume (blume (at) tti - c (dot) org)
970    Date: 2004/12/15 12:45:00 CST
971    Tag: blume-20041215-spaces
972    Description:
973    
974    More on the space problem (this time for Win32).
975    
976    ----------------------------------------------------------------------
977    Name: Matthias Blume (blume (at) tti - c (dot) org)
978    Date: 2004/12/14 17:30:00 CST
979    Tag: blume-20041214-spaces
980    Description:
981    
982    Hacked some of the scripts (in particular: the installer) to cope with
983    spaces in filenames a bit better.  But beware: the current "solution"
984    is likely still full of bugs and inherently incomplete.  (We need to
985    do away with those shell scripts for a comprehensive solution.)
986    
987    ----------------------------------------------------------------------
988    Name: Matthias Blume (blume (at) tti - c (dot) org)
989    Date: 2004/12/13 14:45:00 CST
990    Tag: blume-20041213-ml-makedepend
991    Description:
992    
993    Fixed bug in code for ml-makedepend.
994    
995    ----------------------------------------------------------------------
996    Name: Matthias Blume (blume (at) tti - c (dot) org)
997    Date: 2004/12/09 16:30:00 CST
998    Tag: blume-20041209-statistics
999    Description:
1000    
1001    Added two simple but potentially useful statistics modules to SML/NJ Library.
1002    (See CHANGES file there.)
1003    
1004    ----------------------------------------------------------------------
1005    Name: Matthias Blume (blume (at) tti - c (dot) org)
1006    Date: 2004/12/01 16:50:00 CST
1007    Tag: blume-20041201-atom
1008    Description:
1009    
1010    smlnj-lib:
1011    
1012      Added function HashString.hashString' for substrings.
1013      Hand-inlined CharVector.foldl into HashString (for speed).
1014      Modified implementation of structure Atom to avoid extracting
1015      strings from substrings unless necessary.
1016      (Also see CHANGES file for smlnj-lib.)
1017    
1018    ----------------------------------------------------------------------
1019    Name: Matthias Blume (blume (at) tti - c (dot) org)
1020    Date: 2004/11/24 22:15:00 CST
1021    Tag: blume-20041124-cml
1022    Description:
1023    
1024    Made sure CML compiles when Position = Int64.
1025    
1026    ----------------------------------------------------------------------
1027    Name: Matthias Blume (blume (at) tti - c (dot) org)
1028    Date: 2004/11/24 14:30:00 CST
1029    Tag: blume-20041124-position
1030    Description:
1031    
1032    The compiler can now be compiled in a mode that makes structure Position
1033    equal to Int64.  The default, however, is unchanged (Position = Int31)
1034    for the time being.
1035    
1036    To enable 64-bit positions, use the following procedure:
1037    
1038    1. Start sml
1039    2. Autoload $smlnj/cmb.cm (if not already autoloaded)
1040    3. Type
1041          #set (CMB.symval "USE_64_BIT_POSITIONS") (SOME 1);
1042    4. Run CMB.make() as usual.
1043    
1044    This is barely tested.  The only test so far was a little SML program
1045    counting the number of characters in an 8-gigabyte file by
1046    reading it character-by-character.  That test was successful.
1047    
1048    In support of 64-bit positions, a number of new functions have been
1049    added to the runtime system.
1050    
1051    ----------------------------------------------------------------------
1052    Name: Matthias Blume (blume (at) tti - c (dot) org)
1053    Date: 2004/11/23 14:45:00 CST
1054    Tag: blume-20041123-useFile
1055    Description:
1056    
1057    Fixed a problem with unhelpful error messages related to problems with
1058    .cm- or .sml files that appear as part of the sml command line.
1059    
1060    ----------------------------------------------------------------------
1061    Name: Matthias Blume (blume (at) tti - c (dot) org)
1062    Date: 2004/11/18 15:40:00 CST
1063    Tag: Release_110_51
1064    Description:
1065    
1066    New working version (110.51).  NEW BOOTFILES!
1067    
1068    ----------------------------------------------------------------------
1069    Name: Matthias Blume (blume (at) tti - c (dot) org)
1070    Date: 2004/11/18 15:35:00 CST
1071    Tag: <none>
1072    Description:
1073    
1074    Enabled dlopen and friends for FreeBSD (as recommended by Johannes 5
1075    Joemann).
1076    
1077    ----------------------------------------------------------------------
1078    Name: Allen Leung (leunga (at) reservoir (dot) com)
1079    Date: 2004/11/17 16:05:21 EST 2004
1080    Tag: leunga-20041117-mlrisc-live-kill
1081    Description:
1082    
1083       Added support for MLTree constructs LIVE and KILL
1084    to all the architectures.
1085    
1086    ----------------------------------------------------------------------
1087    Name: Matthias Blume (blume (at) tti - c (dot) org)
1088    Date: 2004/11/13 00:20:00 CST
1089    Tag: blume-20041113-versiontool
1090    Description:
1091    
1092    - Stripped down the versiontool: It now only handles the version number.
1093      The date string is generated at bootstrap time (during makeml).
1094    
1095    - In a previous commit, fixed a minor issue with how polyequal is being
1096      translated.  In particular, the code now "looks through" abstractions.
1097      This results in slightly fewer polyEqual warnings and hopefully slightly
1098      more efficient code.  Important examples for where this matters are
1099      the new int64 and word64 types.
1100    
1101    ----------------------------------------------------------------------
1102    Name: Matthias Blume (blume (at) tti - c (dot) org)
1103    Date: 2004/11/12 00:30:00 CST
1104    Tag: blume-20041112-int64
1105    Description:
1106    
1107    Structure Int64 fully hooked in.  (The implementation is not very
1108    efficient, though.)
1109    
1110    ----------------------------------------------------------------------
1111    Name: Matthias Blume (blume (at) tti - c (dot) org)
1112    Date: 2004/11/11 17:30:00 CST
1113    Tag: blume-20041111-more64
1114    Description:
1115    
1116    All the pieces of Word64 are now there, with the exception of the
1117    conversions from and to LargeWord. (Eventually these need to be identities,
1118    but for the time being they don't even make sense because LargeWord is
1119    32-bit wide.)
1120    
1121    Also started to add similar support for Int64, but major pieces of that
1122    are still missing.
1123    
1124    ----------------------------------------------------------------------
1125    Name: Matthias Blume (blume (at) tti - c (dot) org)
1126    Date: 2004/11/11 00:15:00 CST
1127    Tag: blume-20041111-word64
1128    Description:
1129    
1130    Structure Word64 is now (almost) complete, word literals and patterns
1131    seem to work.  There are a few odd pieces missing.  In particular,
1132    I didn't do the {from,to}LargeWord parts because LargeWord is still Word32
1133    at the moment.
1134    
1135    Making Word64 official would mean that LargeWord becomes Word64.  But
1136    this requires extreme care because most word-word conversions have to
1137    go through LargeWord, so making a mistake means loss of efficiency or
1138    worse.  Eventually there will be a solution similar to (but actually
1139    simpler than) what I did with IntInf.
1140    
1141    ----------------------------------------------------------------------
1142    Name: Matthias Blume (blume (at) tti - c (dot) org)
1143    Date: 2004/11/10 18:12:00 CST
1144    Tag: blume-20041110-64bit
1145    Description:
1146    
1147    More 64-bit hacking (but still not even half-way there yet).
1148    Also, some assorted improvements to the handling of 8-bit words.
1149    
1150    ----------------------------------------------------------------------
1151    Name: Matthias Blume (blume (at) tti - c (dot) org)
1152    Date: 2004/11/09 17:50:00 CST
1153    Tag: <none>
1154    Description:
1155    
1156    Started adding some infrastructure for supporting 64-bit int- and
1157    word-types.  (Still in its very early stages.)
1158    
1159    ----------------------------------------------------------------------
1160    Name: Matthias Blume (blume (at) tti - c (dot) org)
1161    Date: 2004/10/28 10:45:00 CDT
1162    Tag: Release_110_50
1163    Description:
1164    
1165    New working version (110.50).  NEW BOOTFILES!
1166    
1167                 =====================
1168    
1169    Also:
1170    
1171      - Changend config/srcarchiveurl from a file just
1172        containing the URL string into a file containing
1173        shell script code.  The code has access to the $VERSION variable.
1174      - Made corresponding changes to config/install.sh and config/unpack.
1175      - Default contents of config/srcarchiveurl uses $VERSION and
1176        normally does not have to be edited to reflect a version change.
1177    
1178      (As a result, a version change can be done by just editing
1179       config/version, the rest is now automatic.)
1180    
1181    ----------------------------------------------------------------------
1182    Name: Matthias Blume (blume (at) tti - c (dot) org)
1183    Date: 2004/10/27 17:50:00 CDT
1184    Tag: blume-20041027-btrace-msg
1185    Description:
1186    
1187    BackTrace.monitor now also reports the source of the exception that
1188    triggered the trace.
1189    
1190    ----------------------------------------------------------------------
1191    Name: Matthias Blume (blume (at) tti - c (dot) org)
1192    Date: 2004/10/27 17:20:00 CDT
1193    Tag: blume-20041027-x86-c-calls
1194    Description:
1195    
1196    This is the HISTORY entry for two earlier commits, both concerning
1197    the x86 c-calls code in MLRISC:
1198    
1199      - added a missing LOAD in the code that deals with struct arguments
1200      - made sure the caller does not add the wrong number of bytes to the
1201        stack pointer after a call of a function returning a struct
1202        (the callee already pops the implicit argument which points to
1203         the space reserved for the result)
1204    
1205    ----------------------------------------------------------------------
1206    Name: Allen Leung (leunga (at) reservoir (dot) com)
1207    Date: 2004/10/24 14:00:00 EST
1208    Tag: leunga-20041024-x86-gas-fucomip
1209    Description:
1210    
1211       John discovered a bug in the syntax of fucomip.
1212       The opcodes FU?COMIP? have been changed to
1213    
1214           fu?comip? %st(i), %st
1215    
1216    ----------------------------------------------------------------------
1217    Name: Matthias Blume (blume (at) tti - c (dot) org)
1218    Date: 2004/10/20 15:06:00 CDT
1219    Tag: blume-20041020-standalone-backtrace
1220    Description:
1221    
1222    Added a mechanism for getting back-trace information from standalone
1223    programs.  Here is how it works:
1224    
1225       1. The part of the program from which you want to get backtrace
1226          information (usually the whole program) should be wrapped with
1227          BackTrace.monitor.  This is a (unit->'a)->'a function, and your
1228          main program could be modified from something like
1229    
1230             fun main (pgm, args) = ...
1231    
1232         to
1233    
1234            fun main (pgm, args) = BackTrace.monitor (fn () => ...)
1235    
1236       2. To be able to access BackTrace.monitor, you have to add
1237          library $smlnj-tdp/plugins.cm to the .cm file that contains your
1238          main function.
1239    
1240       3. Remove all compiled code (i.e., all the .cm/ subdirectories that
1241          CM might have created in the past for your project).
1242    
1243       4. Build the system using this command line:
1244    
1245             ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
1246                      myprog.cm MyProg.main myprog
1247    
1248          instead of the usual
1249    
1250             ml-build myprog.cm MyProg.main myprog
1251    
1252    I changed a library name:
1253    
1254       $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
1255    
1256    New libraries:
1257    
1258       $smlnj-tdp/back-trace.cm
1259          -- when loaded causes the back-trace plugin to be installed
1260       $smlnj-tdp/coverage.cm
1261          -- when loaded causes the coverage plugin to be installed
1262    
1263    ----------------------------------------------------------------------
1264    Name: Matthias Blume (blume (at) tti - c (dot) org)
1265    Date: 2004/10/18 16:45:00 CDT
1266    Tag: blume-20041018-groupowner
1267    Description:
1268    
1269    Added an "obsolete" warning for the "group owner" syntax to CM's parser.
1270    
1271    Eliminated group owner specs from .cm files throughout the source tree.
1272    
1273    ----------------------------------------------------------------------
1274    Name: Matthias Blume (blume (at) tti - c (dot) org)
1275    Date: 2004/10/15 15:45:00 CDT
1276    Tag: blume-20041015-coverage
1277    Description:
1278    
1279    * Test coverage tool added!
1280    * Further reorganization of tracing-, debugging-, and profiling support:
1281    
1282        - moved original BTImp -- now called BackTrace -- into a separate
1283          library called $/trace-debug-profile.cm
1284        - eliminated all mentions of BTrace from SMLofNJ.Internals
1285        - only the instrumentation mechanism is now left in the compiler proper
1286        - BackTrace module is a plugin which is NOT plugged in by default
1287        - Coverage module is another such plugin
1288    
1289    To get the benefits of any of these plugin modules, the code in
1290    question must be compiled with tdp instrumentation turned on.  This
1291    can be done by setting SMLofNJ.Internals.TDP.mode to true.
1292    (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
1293    
1294    Plugins are selected at link time.  (Pre-compiled instrumented code
1295    can be re-loaded with different plugins in effect.)  When an
1296    instrumented module is linked, whatever plugins are at that time
1297    enabled will come into effect for that module.
1298    
1299    To enable the back-trace plugin, load library $/trace-debug-profile.cm
1300    and invoke BackTrace.install() (e.g., from the interactive prompt).
1301    To enable the coverage plugin, load the same library and invoke
1302    Coverage.install().
1303    
1304    Back-traces are generated automatically on uncaught exceptions and
1305    when the code in question explicitly invokes BackTrace.trigger().
1306    
1307    Coverage (and execution frequency-) information must be queried
1308    explicitly by calling Coverage.not_covered and Coverage.hot_spots.
1309    
1310    ----------------------------------------------------------------------
1311    Name: Matthias Blume (blume (at) tti - c (dot) org)
1312    Date: 2004/10/14 17:40:00 CDT
1313    Tag: blume-20041014-tdp-core
1314    Description:
1315    
1316    Snapshot of a significant overhaul of how the trace/debug/profile support
1317    is hooked into the system (specifically: Core and SMLofNJ.Internals).
1318    
1319    ----------------------------------------------------------------------
1320    Name: Matthias Blume (blume (at) tti - c (dot) org)
1321    Date: 2004/10/13 16:34:00 CDT
1322    Tag: blume-20041013-tdp
1323    Description:
1324    
1325    Some rationalization of names:
1326    
1327       structure BTrace -> structure TDPInstrument
1328       etc.
1329    
1330    This is is preparation of using the original back-trace
1331    instrumentation for other purposes.  "TDP" stands for
1332    Trace/Debug/Profile.
1333    
1334    The control flag controlling whether instrumentation is on or off is now
1335    registered under a different name, so instead of running sml as
1336    
1337     sml -Cinstrument.btrace-mode=true
1338    
1339    one has to say
1340    
1341     sml -Ctdp.instrument=true
1342    
1343    ----------------------------------------------------------------------
1344    Name: Matthias Blume (blume (at) tti - c (dot) org)
1345    Date: 2004/10/11 16:37:00 CDT
1346    Tag: blume-20041011-regions
1347    Description:
1348    
1349    Made some minor modifications to elabcore.sml to have source regions
1350    be propagated more tightly -- resulting in better (i.e., smaller)
1351    regions being reported in error- and debug messages.
1352    
1353    ----------------------------------------------------------------------
1354    Name: Matthias Blume (blume (at) tti - c (dot) org)
1355    Date: 2004/10/08 22:50:00 CDT
1356    Tag: blume-20041008-cmkw
1357    Description:
1358    
1359    Fixed handling of keywords in .cm files: After seeing "is" the lexer
1360    treats subsequent occurrences of "group", "library", "source", "is",
1361    "*", and "-" as ordinary identifiers rather than keywords.
1362    
1363    Most seriously, this fixes a problem with CM's "shell" tool.  The tool
1364    is supposed to accept a tool argument called "source", but this did
1365    not work because of the clash with the keyword.
1366    
1367    ----------------------------------------------------------------------
1368    Name: Matthias Blume (blume (at) tti - c (dot) org)
1369    Date: 2004/10/07 16:00:00 CDT
1370    Tag: blume-20041007-cleanup
1371    Description:
1372    
1373    Assorted cleanup work:
1374    
1375      - got rid of intstrmap in favor of using the library's
1376        hash table implementation
1377      - threw out most of the pathnames stuff, as it was not used anyway
1378      - simplified tokentable implementation
1379      - fixed some minor spelling errors
1380    
1381    ----------------------------------------------------------------------
1382    Name: Matthias Blume (blume (at) tti - c (dot) org)
1383    Date: 2004/10/06 15:15:15 CDT
1384    Tag: blume-20041006-handler
1385    Description:
1386    
1387    Cleaned up the absyn to reflect the invariant that HANDLE always
1388    carries a FNexp as part of the type definition.  This eliminates some
1389    superfluous sanity checks at runtime down the road.
1390    
1391    Some minor cleanup of the btrace code.
1392    
1393    ----------------------------------------------------------------------
1394    Name: Matthias Blume (blume (at) tti - c (dot) org)
1395    Date: 2004/10/01 10:20:30 CDT
1396    Tag: blume-20041001-slave
1397    Description:
1398    
1399    Added hack to make slave mode work in the presence of the version
1400    tool.  (Still, since the master does two passes over the code for
1401    CMB.make, the release number gets bumped twice when slaves are
1402    attached.  I don't know if this is worth fixing...)
1403    
1404    ----------------------------------------------------------------------
1405    Name: Matthias Blume (blume (at) tti - c (dot) org)
1406    Date: 2004/09/30 10:55:00 CDT
1407    Tag: blume-20040930-version
1408    Description:
1409    
1410    * Moved the "version" magic into its own little library under
1411      src/system/smlnj/internal.  This avoids expensive reconstruction of
1412      a stable src/compiler/core.cm.
1413    
1414    * At the same time, structure CompilerVersion is now known as
1415      structure SMLNJVersion.
1416    
1417    * Arranged for the version tool to NOT kick in when rebuilding the system
1418      (makeml -rebuild, fixpt).  Otherwise one would never reach a fixpoint.
1419      Also, loading the versiontool does not work when rebuilding the system
1420      because CM is not properly initialized at that time.
1421    
1422    ----------------------------------------------------------------------
1423    Name: Matthias Blume (blume (at) tti - c (dot) org)
1424    Date: 2004/09/29 14:00:00 CDT
1425    Tag: blume-20040929-autoversion
1426    Description:
1427    
1428    Implemented some CM magic to have
1429        file src/compiler/TopLevel/main/version.sml
1430    generated automagically.
1431    The version is taken from two files: config/version and config/release.
1432    The first is expected to contain a two-part version number such as 110.49.
1433    The second should contain a single number, but it may be missing.
1434    
1435    If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
1436    time the version tool is loaded (which is the first time you say CMB.make),
1437    then the tool will increment the value stored in config/release every
1438    time CMB.make is invoked.
1439    
1440    The binfile format is now insensitive to anything beyond the first
1441    two components of a version number, so bumping the release does not render
1442    binfiles incompatible.  Auto-bumping can be used to keep track of versions
1443    during development without invalidating existing binfiles.
1444    
1445    In any case, every CMB.make updates the date information in version.sml.
1446    (This is the date that is printed in the banner.)
1447    
1448    ----------------------------------------------------------------------
1449    Name: Matthias Blume (blume (at) tti - c (dot) org)
1450    Date: 2004/09/28 10:53:00 CDT
1451    Tag: blume-20040928-controls
1452    Description:
1453    
1454    Some cleanup of the controls code.
1455    
1456    ----------------------------------------------------------------------
1457    Name: Matthias Blume (blume (at) tti - c (dot) org)
1458    Date: 2004/09/27 22:08:00 CDT
1459    Tag: blume-20040927-controls
1460    Description:
1461    
1462    Added two pieces of functionality to the Controls interface:
1463    
1464    1.   val save'restore: 'a control -> unit -> unit
1465    
1466       grabs the current value of the control in stage 1 and restores it
1467       in stage 2.
1468    
1469    2.   val set' : 'a control * 'a -> unit -> unit
1470    
1471       stores the given value into the control in stage 2 (i.e., delayed)
1472       but does all error checking in stage 1.
1473       (This is for string controls that need to do parse their argument --
1474        something that might fail.  In some cases, notably in CM, one
1475        already knows the intended argument but wants to delay the actual
1476        assignment until a time when error recovery would be more difficult.)
1477    
1478    Changed the handling of controls in tool arguments to classes "sml" and
1479    "lazysml":
1480       - use Controls.save'restore as a more robust way of restoring the
1481         old value (in particular: without having to re-parse the string)
1482       - use controls to handle the "overload" keyword in the init group
1483         (I believe this change actually fixes a long-standing obscure bug.)
1484    
1485    ----------------------------------------------------------------------
1486    Name: Matthias Blume (blume (at) tti - c (dot) org)
1487    Date: 2004/09/27 17:00:00 CDT
1488    Tag: blume-20040927-lazysml
1489    Description:
1490    
1491    Added a new tool class called "lazysml" to CM's tool chest.  The only
1492    difference to "sml" is that compilation is done with Control.lazysml
1493    set to true.  A source of class "lazysml" is automatically recognized
1494    by a file name suffix of ".lml".
1495    
1496    In addition to the above feature, the original class "sml" now also
1497    supports a tool argument "lazy" which has the same effect.  As a
1498    result, the following three lines are equivalent:
1499    
1500        foo.sml : lazysml
1501        foo.sml : sml (lazy)
1502        foo.sml (lazy)
1503    
1504    The setting goes into effect both during parsing and during
1505    compilation.  The original setting is restored right after parsing and
1506    after compilation, respectively.
1507    
1508    In addition to all the above, there is also a general mechanism to set
1509    ANY of the "controls" that are available at the command line via
1510    "-C..." on a per-sml-file basis.  The same rules that apply for "lazy"
1511    apply as well. (In fact, "lazy" is implemented as a special case of
1512    the general mechanism.)
1513    
1514    The .cm file syntax uses a new keyword tool argument called "with".
1515    There are several ways of indicating the desired settings:
1516    
1517        foo.sml (with:parser.quotations=true)
1518        foo.sml (with:(name:parser.quotations value:true))
1519        foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
1520        foo.sml (with:(name1=value1 name2=value2 ...))
1521        foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
1522    
1523        etc.
1524    
1525    Another possible abbreviation is to leave out the =v or value:v part
1526    if the name refers to a boolean control (in which case the value is
1527    taken to be true).  Thus, one could get lazy sml also by saying:
1528    
1529        foo.sml (with:parser.lazy-keyword=true)
1530        foo.sml (with:parser.lazy-keyword)
1531        foo.sml (with:(name:parser.lazy-keyword value:true))
1532        foo.sml (with:(name:parser.lazy-keyword))
1533    
1534    ----------------------------------------------------------------------
1535    Name: Matthias Blume (blume (at) tti - c (dot) org)
1536    Date: 2004/09/24 16:22:00 CDT
1537    Tag: blume-20040924-ppc-long-branch
1538    Description:
1539    
1540    Turned message about "emiting long form of branch" off by default.
1541    Added a control flag to turn it back on when desired.
1542    
1543    ----------------------------------------------------------------------
1544    Name: Matthias Blume (blume (at) tti - c (dot) org)
1545    Date: 2004/09/24 16:05:00 CDT
1546    Tag: blume-20040924-rounding
1547    Description:
1548    
1549    Applied patch for setting rounding modes under Mac OS X.  Thanks to
1550    Melissa O'Neill for providing the code!
1551    
1552    ----------------------------------------------------------------------
1553    Name: Matthias Blume (blume (at) tti - c (dot) org)
1554    Date: 2004/09/23 17:30:00 CDT
1555    Tag: blume-20040923-envvars
1556    Description:
1557    
1558    1. Changed definition of type ControlRegistry.registry_tree to
1559       include control_info (i.e., the name of the controlling environment
1560       variable).
1561    
1562    2. Added command-line flags -e and -E to print the names of environment
1563       variables that can be used to control internal settings.
1564       (This uses the new API mentioned in 1.)
1565    
1566    ----------------------------------------------------------------------
1567    Name: Matthias Blume (blume (at) tti - c (dot) org)
1568    Date: 2004/09/13 16:50:00 CDT
1569    Tag: Release_110_49
1570    Description:
1571    
1572    New working version (110.49).  NEW BOOTFILES!
1573    
1574    ----------------------------------------------------------------------
1575    Name: Matthias Blume
1576    Date: 2004/09/13 16:20:00 CDT
1577    Tag: blume-20040913-config-mlrisc
1578    Description:
1579    
1580    Put target "mlrisc" back into the default list.
1581    (There is no harm in having it, and some users have expressed their
1582    wish to have "mlrisc" included by default.)
1583    
1584    ----------------------------------------------------------------------
1585    Name: John Reppy
1586    Date: 2004/09/13
1587    Tag: jhr-20040913-signals
1588    Description:
1589    
1590    Fixed the signal masking code to properly nest mask/unmask operations
1591    on a per-signal basis.
1592    
1593    ----------------------------------------------------------------------
1594    Name: Matthias Blume (blume (at) tti - c (dot) org)
1595    Date: 2004/09/08 13:20:00 CDT
1596    Tag: blume-20040908-heap-magic
1597    Description:
1598    
1599    Bumped the heap macig number to 0x09082004 to account for the changed
1600    layout of the ML frame under MacOS X.
1601    
1602    ----------------------------------------------------------------------
1603    Name: Allen Leung (leunga (at) reservoir (dot) com)
1604    Date: 2004/09/03 11:26:00 EST
1605    Tag: leunga-20040903-cygwin-install
1606    Description:
1607    
1608       Added a patch to _arch-n-opsys to enable the Cygwin runtime.
1609    The Cygwin runtime is turned on by setting the environment
1610    variable SMLNJ_CYGWIN_RUNTIME to 1.
1611    
1612    ----------------------------------------------------------------------
1613    Name: Matthias Blume (blume (at) tti - c (dot) org)
1614    Date: 2004/08/31 17:15:00 CDT
1615    Tag: blume-20040831-core
1616    Description:
1617    
1618    Added some exports to src/compiler/core.cm upon request by J. Joemann.
1619    
1620    ----------------------------------------------------------------------
1621    Name: Matthias Blume (blume (at) tti - c (dot) org)
1622    Date: 2004/08/30 17:55:00 CDT
1623    Tag: blume-20040830-installer
1624    Description:
1625    
1626    Upon request by Johannes Joemann:
1627    
1628    - improved ML code of installer to fall back to coping when renaming
1629      fails (i.e., when source and target are on different file systems);
1630      the code compiles but has yet to be tested in anger
1631    - removed mlrisc from list of default targets (config/targets)
1632    
1633    ----------------------------------------------------------------------
1634    Name: Matthias Blume (blume (at) tti - c (dot) org)
1635    Date: 2004/08/27 17:20:00 CDT
1636    Tag: blume-20040827-ptreql
1637    Description:
1638    
1639    Added ptreql primop to structure InlineT (upon request from Larry
1640    Paulson).
1641    
1642    ----------------------------------------------------------------------
1643    Name: Allen Leung (leunga (at) reservoir (dot) com)
1644    Date: 2004/08/15 21:21:00 EST
1645    Tag: leunga-110_48-udgraph
1646    Description:
1647    
1648    Another bug fix from Carl Hauser:
1649    
1650    diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
1651    > 48c48
1652    > <              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
1653    > e::L)
1654    > ---
1655    > >              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
1656    > Without this, any deletion of an edge in an undirected graph does severe
1657    > violence to the graph.
1658    
1659    ----------------------------------------------------------------------
1660    Name: Allen Leung (leunga (at) reservoir (dot) com)
1661    Date: 2004/08/10 23:35:00 EST
1662    Tag: leunga-110_48-ppc
1663    Description:
1664    
1665       The IBM/MacOS syntax switch on PPC was incorrectly swapped.
1666    
1667    ----------------------------------------------------------------------
1668    Name: Matthias Blume (blume (at) tti - c (dot) org)
1669    Date: 2004/08/10 12:00:00 CDT
1670    Tag: Release_110_48
1671    Description:
1672    
1673    New working version (110.48).  NEW BOOTFILES!
1674    
1675    ----------------------------------------------------------------------
1676    Name: Allen Leung (leunga (at) reservoir (dot) com)
1677    Date: 2004/08/09 12:21:00 EST
1678    Tag: leunga-110_47-dijsktra
1679    Description:
1680    
1681    Bug fix from Carl Hauser:
1682    
1683    single_source_shortest_paths in dijkstra.sml was observed to get wrong
1684    answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
1685    
1686    The problem is that following the expression A.update(dist,s,Num.zero)
1687    it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
1688    
1689    ----------------------------------------------------------------------
1690    Name: Matthias Blume (blume (at) tti - c (dot) org)
1691    Date: 2004/08/06 18:10:00 CDT
1692    Tag: blume-20040806-cmdline
1693    Description:
1694    
1695    Fiddled with handling of command-line options:
1696    
1697      * sml now quits after processing the command line
1698        if -H, -S, -h<n>, or -s<n> appears as the last
1699        command-line argument
1700      * a new option -q terminates the session when encountered on
1701        the command line; subsequent arguments will be ignored
1702      * bug fixes: short (erroneous) arguments are no longer ignored
1703        completely
1704    
1705    ----------------------------------------------------------------------
1706    Name: Allen Leung (leunga (at) reservoir (dot) com)
1707    Date: 2004/08/04 18:17:00 EST
1708    Tag: leunga-110_47-ppc-ibm-asm
1709    Description:
1710    
1711      - Added minimal IBM assembly syntax support for PowerPC.
1712    
1713      - Cygwin: manually changed the file cygwin.def.  Some exported symbols have
1714        been altered in the runtime.  We need an automatic way to keep the file
1715        in sync.
1716    
1717    ----------------------------------------------------------------------
1718    Name: Matthias Blume (blume (at) tti - c (dot) org)
1719    Date: 2004/08/04 14:00:00 CDT
1720    Tag: Release_110_47
1721    Description:
1722    
1723    New working version (110.47).  NEW BOOTFILES!
1724    
1725    ----------------------------------------------------------------------
1726    Name: Matthias Blume (blume (at) tti - c (dot) org)
1727    Date: 2004/08/03 14:25:00 CDT
1728    Tag: blume-20040803-callingconv
1729    Description:
1730    
1731    Added low-level support for choosing C calling conventions by
1732    twiddling the type of rawccall.  (See
1733    src/compiler/Semant/types/cproto.sml for details.)
1734    
1735    ----------------------------------------------------------------------
1736    Name: Matthias Blume (blume (at) tti - c (dot) org)
1737    Date: 2004/08/02 15:55:00 CDT
1738    Tag: blume-20040802-backout
1739    Description:
1740    
1741    Backed out of change to win32-filesys.c.  The earlier patch to
1742    get_file_time caused CM to produce files with the wrong time stamp.
1743    
1744    ----------------------------------------------------------------------
1745    Name: Matthias Blume (blume (at) tti - c (dot) org)
1746    Date: 2004/08/02 14:45:00 CDT
1747    Tag: blume-20040802-nlffi-win32
1748    Description:
1749    
1750    Added NLFFI support for Win32, adapted from a patch provided by David
1751    Hansel.  This is currently completely untested.  Also, the issue
1752    concerning stdcall vs. ccall is still unresolved.
1753    
1754    ----------------------------------------------------------------------
1755    Name: Matthias Blume (blume (at) tti - c (dot) org)
1756    Date: 2004/07/30 17:55:00 CDT
1757    Tag: blume-20040730-various
1758    Description:
1759    
1760    Gearing up towards 110.47...
1761    
1762    - various minor bugfixes to ml-nlffigen
1763    - a beginning of a manual for nlffi
1764    
1765    - eliminated 'export name=value' in config/install.sh as this does
1766      not work with certain versions of /bin/sh
1767      (Thanks to David King at Motorola for catching this.)
1768    
1769    - several bugfixes provided or suggested by David Hansel at Reactive Systems:
1770      - added a test for tm==NULL to gmtime.c and localtime.c
1771      - applied patch for incorrect GetFileTime under win32
1772      - toSeconds -> toMilliseconds in Win32/win32-process.sml
1773    
1774    ----------------------------------------------------------------------
1775    Name: Matthias Blume (blume (at) tti - c (dot) org)
1776    Date: 2004/07/21 18:20:00 CDT
1777    Tag: blume-20040721-nlffigen
1778    Description:
1779    
1780    - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
1781      for a typedef to an incomplete type, but leave out the "typ" member.
1782      (This is just for consistency.)
1783    - Started to produce what is supposed to become better (i.e., comprehensive)
1784      documentation of what ml-nlffigen does and produces.
1785    
1786    ----------------------------------------------------------------------
1787    Name: Matthias Blume (blume (at) tti - c (dot) org)
1788    Date: 2004/07/14 16:25:00 CDT
1789    Tag: blume-20040714-union
1790    Description:
1791    
1792    Added C_UNION to c-calls/c-types.sml and updated the machinery
1793    (ml-nlffigen, cproto.sml) that conveys C function interface
1794    information to the code generator.
1795    
1796    However, the actual architecture-specific implementation of function
1797    arguments and results that are C unions is still not implemented.
1798    
1799  ----------------------------------------------------------------------  ----------------------------------------------------------------------
1800  Name: Allen Leung (leunga (at) reservoir (dot) com)  Name: Allen Leung (leunga (at) reservoir (dot) com)
1801  Date: 2004/07/14 14:38:00 EST  Date: 2004/07/14 14:38:00 EST

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