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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 2224, Wed Nov 29 15:57:46 2006 UTC
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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: Matthias Blume (http://www.tti-c.org/blume/)
18    Date: 2006/11/29 10:00:00 CST
19    Description:
20    
21    Use Say.vsay for printing the "[autoloading]" message, so
22    #set CM.Control.verbose false (or -Ccm.verbose=false) can be used
23    to suppress them.
24    
25    ----------------------------------------------------------------------
26    Name: Matthias Blume (http://www.tti-c.org/blume/)
27    Date: 2006/11/10 11:00:00 CST
28    Description:
29    
30    Fixed bug in CM where "with:" specifications that affect compilation
31    (as opposed to parsing) were ignored.
32    
33    ----------------------------------------------------------------------
34    Name: Matthias Blume (http://www.tti-c.org/blume/)
35    Date: 2006/11/09 14:30:00 CST
36    Tag: release-110.60
37    Description:
38    
39    New working release (110.60).  NEW BOOTFILES!
40    
41    This is the first subversion-hosted release.  There are also changes
42    to the directory layout.  Here is a table:
43    
44    (All pathnames are relative to the SML/NJ "root" directory.)
45    
46      config -> config
47    
48      src/cm -> base/cm
49      src/compiler -> base/compiler
50      src/runtime -> base/runtime
51      src/system -> base/system
52    
53      src/cm/pgraph -> pgraph
54    
55      src/READMES -> base/READMES
56      src/$notefile -> base/NOTES/$notefile
57         for <notefile> in BOOT CVSNOTES CYGWININSTALL HISTORY INSTALL
58                           MACOSXINSTALL WININSTALL
59    
60      src/smlnj-lib -> smlnj-lib
61      src/MLRISC -> MLRISC
62      ckit -> ckit
63      src/cml -> cml
64      src/eXene -> eXene
65      src/heap2asm -> heap2asm
66      src/lexgen -> lexgen
67      src/ml-burg -> ml-burg
68      src/ml-lex -> ml-lex
69      src/ml-yacc -> ml-yacc
70      src/ml-nlffi-lib -> nlffi/lib
71      src/ml-nlffigen -> nlffi/gen
72      src/smlnj-c -> smlnj-c
73      src/tools/TraceDebugProf -> trace-debug-profile
74    
75    In addition, there is also a new
76    
77      ml-lpt
78    
79    directory containing two new program generator tools: ml-ulex and
80    ml-antlr (a lexer generator that handles unicode and an ANTRL-inspired
81    LL(k) parser generator). These tools are currently "beta-quality"
82    
83    The latest versios of the sources can now be obtained anonymously
84    via subversion.  For this, it is useful to first check out
85    
86       svn://smlnj-gforge.cs.uchicago.edu/smlnj/admin
87    
88    and put the resulting directory on your shell's PATH.  This provides
89    access to three shell scripts: checkout-all.sh, stat-all.sh,
90    and refresh-all.sh.
91    
92    To create a freshly checked-out copy of the sources, do
93    
94       checkout-all.sh [dir]
95    
96    where dir is the optional SML/NJ root directory (default is ".").
97    
98    This creates the above directory layout.  Each subdirectory of
99    the root is under individual subversion control.  The stat-all.sh
100    and refresh-al.sh scripts apply "svn stat" or "svn update" to
101    each of these subtrees.
102    
103    ----------------------------------------------------------------------
104    Name: Matthias Blume (http://www.tti-c.org/blume/)
105    Date: 2006/11/02 12:20:00 CST
106    Description:
107    
108    Reorganized directory layout.
109    
110    This is a temporary solution, more reorganization is to come.
111    
112    The basic idea is to have a number of toplevel trees, each corresponding
113    to a well-defined part of the overall system.  Each part can be
114    maintained individually, even in separate source repositories,
115    although currently we still serve everything out of the main
116    smlnj-gforge tree.
117    
118    Installer and and scripts have been updated to reflect the new
119    layout.  The installer (base/src/system/smlnj/installer) is now
120    "scriptable" to avoid burning too much knowledge about the
121    layout into SML source code.  The main script used by the installer
122    is in config/actions.
123    
124    The main change is that many of the subdirectories of what used to
125    be known as "src" have moved to the toplevel.  The "src" directory
126    itself has moved down into a subtree called "base".  (We may eventually
127    get rid of the extra level of indirection represented by "src".)
128    
129    The layout is now as follows:
130    
131      toplevel tree name | default repository
132                         | (using gf=svn://smlnj-gforge.cs.uchicago.edu/smlnj)
133      -------------------+----------------------------------------------------
134      config             | $gf/config/trunk
135                         |
136      base               | $gf/sml/trunk
137                         |
138      smlnj-lib          | $gf/smlnj-lib/trunk
139      MLRISC             | $gf/MLRISC/trunk
140                         |
141      ml-yacc            | $gf/ml-yacc/trunk
142      ml-lex             | $gf/ml-lex/trunk
143      ml-burg            | $gf/ml-burg/trunk
144      lexgen             | $gf/lexgen/trunk
145      heap2asm           | $gf/heap2asm/trunk
146                         |
147      cml                | $gf/cml/trunk
148      eXene              | $gf/eXene/trunk
149      ckit               | $gf/ckit/trunk
150      nlffi              | $gf/nlffi/trunk
151                         |
152      smlnj-c            | $gf/smlnj-c/trunk
153    
154    In $gf/admin there are a few useful shell scripts for checking out
155    and maintaining the entire collection of trees:
156    
157       admin/checkout-all.sh [dir]
158          -- optionally creates dir and checks out all trees from their
159             default repositories; if dir is missing, checkout into .
160       admin/refresh-all.sh [dir]
161          -- looks at all trees (from the above list) in dir (default: .)
162             and runs "svn update" if the tree exists and is under
163             subversion control;
164             non-existing or non-subversion trees are skipped
165       admin/stat-all.sh [dir]
166          -- like refresh-all.sh, but runs "svn stat" instead
167    
168    ----------------------------------------------------------------------
169    Name: Matthias Blume (http://www.tti-c.org/blume/)
170    Date: 2006/10/05 11:30:00 CDT
171    Tag: blume-20061005-merge-amd64
172    Description:
173    
174    Merged code for AMD64 backend (Mike Rainey's work).
175    Everything is hooked up but untested.
176    
177    ----------------------------------------------------------------------
178    Name: Matthias Blume (http://www.tti-c.org/blume/)
179    Date: 2006/05/17 14:00:00 CST
180    Tag: Release_110_59
181    Description:
182    
183    New working version (110.59).  NEW BOOTFILES!
184    
185    I am freezing 110.59.  Changes other than the version-number increase:
186    
187      eXene:
188    
189         * committed changes to eXene from Alley Stoughton:
190             "fixed bugs in X authorization and resource handling, as well
191              as in the pile and viewport widgets"
192    
193      Runtime:
194        * fixed linking problem with NetBSD 3.x.
195    
196      Lexgen:
197        * lexgen tool handles non-ascii characters in 7-bit mode the same
198          way that ml-lex does
199    
200        * lexgen propagates exceptions the same way that ml-lex does
201    
202      CML:
203        * Fixed a bug in the SyncVar polling functions (iGetPoll,
204          mTakePoll, and mGetPoll) that could lead to livelock.
205    
206    ----------------------------------------------------------------------
207    Name: Matthias Blume (http://www.tti-c.org/blume/)
208    Date: 2006/05/12 15:20:00 CST
209    Tag: blume-20060515-makedepend
210    Description:
211    
212    Implemented ml-makedepend (i.e., CM.sources) in a better (more robust)
213    way.  This should hopefully fix the ml-makedepend problem permanently.
214    
215    ----------------------------------------------------------------------
216    Name: Matthias Blume (http://www.tti-c.org/blume/)
217    Date: 2006/05/12 15:15:00 CST
218    Tag: blume-20060512-makedepend
219    Description:
220    
221    Fixed long-standing bug with ml-makedepend where it would output a
222    spurious dependency to a non-existing file.  (This is a simple fix.
223    It might need further looking into.)
224    
225    ----------------------------------------------------------------------
226    Name: Matthias Blume (http://www.tti-c.org/blume/)
227    Date: 2006/04/20 10:30:00 CDT
228    Tag: blume-20060420-heap2exec
229    Description:
230    
231    Committed patches received from Johannes 5 Joemann (joemann@befree.free.de)
232    that enable heap2exec under Linux and FreeBSD.
233    
234    ----------------------------------------------------------------------
235    Name: John Reppy
236    Date: 2006/04/14
237    Tag:
238    Description:
239    
240    MLRISC changes:
241      1) renamed GAS_PSEUDO_OPS to AS_PSEUDO_OPS and put it in its own file.
242      2) added support for NOTB and XORB operators in pseudo-op expressions
243      3) added DarwinPseudoOp functor that supports Darwin's assembler syntax.
244      4) added support for 64-bit integer literals
245    
246    ----------------------------------------------------------------------
247    Name: Matthias Blume (http://www.tti-c.org/blume/)
248  Date: yyyy/mm/dd  Date: yyyy/mm/dd
249  Tag: <post-commit CVS tag>  Tag: Release_110_58
250    Description:
251    
252    New working version (110.58).  NEW BOOTFILES!
253    
254    ----------------------------------------------------------------------
255    Name: Matthias Blume (http://www.tti-c.org/blume/)
256    Date: 2006/03/01 22:15:00 CST
257    Tag: blume-20060301-lexgen
258    Description:
259    
260    Incorporated several bugfixes to lexgen.  Compiler now compiles to
261    fixpoint when using lexgen instead of ml-lex.
262    
263    ----------------------------------------------------------------------
264    Name: Matthias Blume (http://www.tti-c.org/blume/)
265    Date: 2006/02/28 22:45:00 CST
266    Tag: blume-20060228-lexgen
267    Description:
268    
269    Removed ml-flex and added lexgen instead, using Aaron Turon's newly
270    provided tarball.  The generated lexers still have problems.
271    
272    ----------------------------------------------------------------------
273    Name: Matthias Blume (http://www.tti-c.org/blume/)
274    Date: 2006/02/26 23:30:00 CST
275    Tag: blume-20060226-ml-flex
276    Description:
277    
278    Removed ml-flex' dependency on regexp-lib.cm.  Turned installation
279    of ml-flex on by default.
280    
281    ----------------------------------------------------------------------
282    Name: Matthias Blume (http://www.tti-c.org/blume/)
283    Date: 2006/02/24 16:30:00 CST
284    Tag: blume-20060224-ml-flex
285    Description:
286    
287    Added ml-flex sources.  Partially integrated, but should not be
288    turned on yet!  (Read: leave it commented-out in config/targets!)
289    
290    ----------------------------------------------------------------------
291    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
292    Date: 2006/02/23
293    Tag: jhr-20060223-x86-64
294    Description:
295    Changes to support building on x86-64 systems (using the 32-bit mode).
296    Also cleaned up signal handling on Linux.  Support for pre-2.2 Linux
297    kernels dropped.
298    
299    ----------------------------------------------------------------------
300    Name: Allen Leung (leunga (at) reservoir (dot) com)
301    Date: 2006/02/22 15:07:00 EST
302    Tag: leunga-20060222-mdl-gen
303    Description:
304    
305      CM has changed.  Updated the script for rebuilding the MLRISC generated
306    files.
307    
308    ----------------------------------------------------------------------
309    Name: Matthias Blume (http://www.tti-c.org/blume/)
310    Date: 2006/02/14 17:30:00 CST
311    Tag: blume-20060214-intel-mac
312    Description:
313    
314    Hooked code for Darwin-specific Intel ABI into main compiler.
315    (This is a temporary solution which relies on the fact that the
316    compiler itself does not use NLFFI.  Eventually we need to divorce
317    intel mac from generic x86 unix code and make separate sets of binaries.)
318    
319    ----------------------------------------------------------------------
320    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
321    Date: 2006/02/13
322    Tag: jhr-20060213-intel-mac
323    Description:
324    Changed MLRISC x86 CCalls for partial support of MacOS X ABI.
325    
326    ----------------------------------------------------------------------
327    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
328    Date: 2006/02/06
329    Tag: jhr-20060206-intel-mac
330    Description:
331    Changes to support MacOS X on Intel hardware.  The C-calls support in
332    MLRISC must also be updated to support the MacOS X ABI.
333    
334    ----------------------------------------------------------------------
335    Name: Matthias Blume (http://www.tti-c.org/blume/)
336    Date: 2005/12/16 00:15:00 CST
337    Tag: blume-20051216-cm
338    Description:
339    
340    Improved error reporting and handling in CM.
341    
342    ----------------------------------------------------------------------
343    Name: Matthias Blume (http://www.tti-c.org/blume/)
344    Date: 2005/11/21 14:00:00 CST
345    Tag: blume-20051121-html-lib
346    Description:
347    
348    Enabling $/html-lib.cm in config/preloads did not work.  This is fixed
349    now.  (Since the anchor mapping for html-lib.cm is not yet in effect
350    at the time when config/preloads is processed, the library has to
351    be referred to by another name.  In 110.57 this would be
352    $SMLNJ-LIB/HTML/html-lib.cm.  I arranged for $smlnj/smlnj-lib/html-lib.cm
353    to be valid as well.)
354    
355    Thanks to Todd Wilson (Fresno) for alerting me to this issue.
356    
357    ----------------------------------------------------------------------
358    Name: Matthias Blume (http://www.tti-c.org/blume/)
359    Date: 2005/11/19 13:45:00 CST
360    Tag: Release_110_57
361    Description:
362    
363    Moved release tag for 110.57.
364    
365    ----------------------------------------------------------------------
366    Name: Matthias Blume (http://www.tti-c.org/blume/)
367    Date: 2005/11/19 23:35:00 CST
368    Tag: blume-20051119-fish
369  Description:  Description:
370    
371    Fixed a problem in config/install.sh where it tries to "fish" the
372    name of the CM metadata directory from the wrong place (because
373    the physical location of basis.cm has changed).  Also, corrected the
374    path anchor for $/html-lib.cm.  (Thanks to M. Fluet for pointing out
375    these problems.)
376    
377    ----------------------------------------------------------------------
378    Name: Matthias Blume (http://www.tti-c.org/blume/)
379    Date: 2005/11/16 14:30:00 CST
380    Tag: blume-orig-110_57
381    Description:
382    
383    New working version (110.57).  NEW BOOTFILES!
384    
385    UPDATE: The release tag has been moved to include a fix for a brown-paper-
386            bag glitch (see above).
387    
388    ----------------------------------------------------------------------
389    Name: Matthias Blume (http://www.tti-c.org/blume/)
390    Date: 2005/11/16 10:25:00 CST
391    Tag: blume-22051116-btrace
392    Description:
393    
394    Fixed problem with bogus exception message when using back-trace
395    facility.
396    
397    ----------------------------------------------------------------------
398    Name: Matthias Blume (http://www.tti-c.org/blume/)
399    Date: 2005/11/15 22:35:00 CST
400    Tag: blume-22051115-array2copy
401    Description:
402    
403    Added simple implementation of Array2.copy.  (Warning: mostly untested.)
404    
405    ----------------------------------------------------------------------
406    Name: Matthias Blume (http://www.tti-c.org/blume/)
407    Date: 2005/11/15 21:35:00 CST
408    Tag: blume-22051115-versiontool
409    Description:
410    
411    Reversed change to src/system/smlnj/internals/versiontool.cm.  This
412    file gets loaded as a tool -- by the equivalent of CM.make during the
413    run of CMB.make.  Thus, CMB's path configuration is meaningless for
414    it.  Instead, it has the status of "user code", so it should use
415    $/basis.cm to refer to the Basis library.  (At least that's true for
416    the purpose of bootstrapping the previous change.  In the future it
417    might make sense to have versiontool.cm refer to
418    $smlnj/basis/basis.cm, i.e., the version of the Basis that the
419    compiler itself uses.)
420    
421    Also patched src/system/testml to have it activate those extra anchor
422    bindings in config/extrapathconfig.
423    
424    ----------------------------------------------------------------------
425    Name: Matthias Blume (http://www.tti-c.org/blume/)
426    Date: 2005/11/15 16:35:00 CST
427    Tag: blume-22051115-libraries
428    Description:
429    
430    This change affects the way the following libraries are tied into
431    the system:
432    
433       $/basis.cm
434       $/smlnj-lib.cm
435       $/pp-lib.cm
436       $/controls-lib.cm
437       $/html-lib.cm
438       $/ml-yacc-lib.cm
439    
440    These libraries are now internally (as seen from the source code
441    of the implementation itself) known by the following names:
442    
443       $smlnj/basis/basis.cm
444       $smlnj/smlnj-lib/smlnj-lib.cm
445       $smlnj/smlnj-lib/pp-lib.cm
446       $smlnj/smlnj-lib/controls-lib.cm
447       $smlnj/smlnj-lib/html-lib.cm
448       $smlnj/ml-yacc/ml-yacc-lib.cm
449    
450    This makes it possible to work with code that requires different
451    versions of these libraries, and which refers to these libraries using
452    their "default" names (i.e., the first set of names above).  In other
453    words, one can un-define or re-define those default names without
454    compromising the proper functioning of the compiler itself.
455    
456    A similar procedure had already been performed for several of the
457    MLRISC libraries that are linked into the compiler.  I did some
458    cleanup on this code.
459    
460    A new file in the config directory (named extrapathconfig) is
461    responsible for setting up path anchors that the compiler itself does
462    not need, but that are typically required by user code.
463    
464    ----------------------------------------------------------------------
465    Name: Matthias Blume
466    Date: 2005/11/07 17:05:00 CST
467    Tag: blume-20051107-slice
468    Description:
469    
470    Fixed erroneous out-of-bounds test in the "update" function of
471    various *ArraySlice modules.  (Thanks to Vesa A. Norrman for pointing
472    out the problem.)
473    
474    Pushed some Basis changes through ML-Lex, CML, and eXene.
475    
476    ----------------------------------------------------------------------
477    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
478    Date: 2005/11/07
479    Description:
480    Fixed a Basis incompatibility: The depreciated function Substring.all
481    was removed (use Substring.full instead).
482    
483    ----------------------------------------------------------------------
484    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
485    Date: 2005/11/05
486    Description:
487    Tweaked interval set API in SML/NJ library; see the CHANGES file for details.
488    
489    ----------------------------------------------------------------------
490    Name: Matthias Blume (http://www.tti-c.org/blume/)
491    Date: 2005/11/02 16:25:00 CST
492    Tag: blume-20051102-hex
493    Description:
494    
495    * Runtime system bootstrap code now accepts hex digits in BOOTLIST
496      in either upper case or lower case format.
497    * Pushed changes to names of Pack<N>{Big,Little} structures through
498      CML and eXene.
499    
500    ----------------------------------------------------------------------
501    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
502    Date: 2005/11/02
503    Description:
504    Fixed a Basis incompatibility: Pack<N>{Big,Little} structures should
505    be called PackWord<N>{Big,Little}.
506    
507    ----------------------------------------------------------------------
508    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
509    Date: 2005/10/28
510    Description:
511    Fixed a minor Basis incompatibility: hex digits should be upper case.
512    
513    ----------------------------------------------------------------------
514    Name: Matthias Blume (blume (at) tti - c (dot) org)
515    Date: 2005/10/25 16:00:00 CDT
516    Tag: Release_110_56
517    Description:
518    
519    New working version (110.56).  NEW BOOTFILES!
520    
521    ----------------------------------------------------------------------
522    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
523    Date: 2005/10/25
524    Description:
525    Added interval sets to utility library (signatures INTERVAL_DOMAIN
526    and INTERVAL_SET, and functor IntervalSetFn).
527    
528    ----------------------------------------------------------------------
529    Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
530    Date: 2005/10/14
531    Description:
532    Add Zhong Shao's fix for datatype equality functions.
533    
534    ----------------------------------------------------------------------
535    Name: Allen Leung (leunga (at) reservoir (dot) com)
536    Date: 2005/10/14 12:30:00 EST
537    Tag: leunga-20051014-x86-spill
538    Description:
539    
540    Bug fix a bug found by Carl Hauser.
541    There was a typo in the reload code for FCMP in x86SpillInstr.sml.
542    
543    ----------------------------------------------------------------------
544    Name: Allen Leung (leunga (at) reservoir (dot) com)
545    Date: 2005/10/14 11:15:00 EST
546    Tag: leunga-20051014-x86-asm
547    Description:
548    
549    Removed some debugging code in file x86Asm.sml.
550    The function emit_operand was printing out debugging output.
551    
552    ----------------------------------------------------------------------
553    Name: John Reppy
554    Date: 2005/07/27
555    Tag:
556    Description:
557    
558    Fixed ml-lex to recognize "\r" as representing carriage return.
559    
560    ----------------------------------------------------------------------
561    Name: John Reppy
562    Date: 2005/07/27
563    Tag:
564    Description:
565    
566    Fixed ml-yacc to work on files with non-native end-of-line
567    encodings (e.g., Windows text file on a Unix system).
568    
569    ----------------------------------------------------------------------
570    Name: John Reppy
571    Date: 2005/07/20
572    Tag:
573    Description:
574    
575    Added changes from Dominic Evans (oldmanuk (at) gmail (dot) com)
576    to support HPUX 11.
577    
578    ----------------------------------------------------------------------
579    Name: John Reppy
580    Date: 2005/07/06
581    Tag:
582    Description:
583    
584    Changes to the SML/NJ library.  See smlnj-lib/CHANGES for details.
585    
586    ----------------------------------------------------------------------
587    Name: Matthias Blume (blume (at) tti - c (dot) org)
588    Date: 2005/07/06 00:45:00 CDT
589    Tag: blume-20050706-slice-copy
590    Description:
591    
592    Fixed reversed logic for deciding whether to "copy up" or "copy down"
593    in *-array-slice.sml.
594    
595    ----------------------------------------------------------------------
596    Name: Allen Leung (leunga (at) reservoir (dot) com)
597    Date: 2005/05/31 17:00:00 EST
598    Tag: leunga-20050531-cygwin-fault-2
599    Description:
600    
601    A typo in the cygwin code fixed.
602    
603    ----------------------------------------------------------------------
604    Name: Allen Leung (leunga (at) reservoir (dot) com)
605    Date: 2005/05/31 16:47:00 EST
606    Tag: leunga-20050531-cygwin-fault
607    Description:
608    
609    Updated Cygwin's fault/signal handling to match the Windows version.
610    Updated the export list.
611    
612    ----------------------------------------------------------------------
613    Name: Matthias Blume (blume (at) tti - c (dot) org)
614    Date: 2005/05/18 13:35:00 CDT
615    Tag: Release_110_54
616    Description:
617    
618    New working version (110.54).  NEW BOOTFILES!
619    
620    ----------------------------------------------------------------------
621    Name: Matthias Blume (blume (at) tti - c (dot) org)
622    Date: 2005/05/18 11:58:00 CDT
623    Tag: blume-20050518-installer
624    Description:
625    
626    Added support scripts for Mac OS X PackageMaker and modified
627    config/install.sh so that it supports re-dumping a heap image
628    after customization.
629    
630    ----------------------------------------------------------------------
631    Name: Matthias Blume (blume (at) tti - c (dot) org)
632    Date: 2005/05/18 10:55:00 CDT
633    Tag: blume-20050518-realdiv-noovld
634    Description:
635    
636    Un-overloaded / to work around bug in overloading resolution code.
637    
638    ----------------------------------------------------------------------
639    Name: Matthias Blume (blume (at) tti - c (dot) org)
640    Date: 2005/05/16 23:50:00 CDT
641    Tag: blume-20050516-redump-heap
642    Description:
643    
644    Added mechanism for re-creating a heap file for the interactive system
645    after configuration variables have been changed.
646    
647       CM.redump_heap : string -> unit
648    
649    This is much like SMLofNJ.exportML, but starting from the resulting
650    heap does not return to the caller of CM.redump_heap but
651    restarts the interactive system from scratch.  The original call of
652    CM.redump_heap does not return but ends the interactive session.
653    Thus, CM.redump_heap is a lot like SMLofNJ.exportFn.
654    
655    Internally, redump_heap winds the dynamic execution context back to
656    the point where the original heap image was created and re-executes
657    the heap image generation code in the boot code.
658    
659    ----------------------------------------------------------------------
660    Name: Matthias Blume (blume (at) tti - c (dot) org)
661    Date: 2005/05/09 21:55:00 CDT
662    Tag: blume-20050509-word64
663    Description:
664    
665    Added a hack to the existing hack known as Word64 to make fromString
666    behave correctly.  I am still not sure whether Word64.scan will work
667    as specified with respect to the interaction of radix and prefix.
668    
669    ----------------------------------------------------------------------
670    Name: Allen Leung (leunga (at) reservoir (dot) com)
671    Date: 2005/05/04 11:50:00 EST
672    Tag: leunga-20050504-checkgc
673    Description:
674    
675    Added a gc protocol checking phase.  This phase is enabled with
676    the flag "check-gc".  "debug-check-gc" turns on the verbose mode.
677    
678    ----------------------------------------------------------------------
679    Name: Matthias Blume (blume (at) tti - c (dot) org)
680    Date: 2005/05/04 10:45:00 CDT
681    Tag: blume-20050504-intinf
682    Description:
683    
684    Fixed a bug in the implementation of div and mod for IntInf.
685    Thanks to Neophytos Michael for reporting the problem.
686    
687    ----------------------------------------------------------------------
688    Name: Matthias Blume (blume (at) tti - c (dot) org)
689    Date: 2005/05/04 10:35:00 CDT
690    Tag: blume-20050504-join
691    Description:
692    
693    Added a "join" combinator to the ParserComb module in smlnj-lib.cm.
694    
695    ----------------------------------------------------------------------
696    Name: Matthias Blume (blume (at) tti - c (dot) org)
697    Date: 2005/02/28 23:40:00 CST
698    Tag: blume-20050228-mVar
699    Description:
700    
701    Fixed serious bug (brown paper bag variety) in new implementation of
702    structure Atom in CML.  (I had accidentally used a mailbox instead of
703    an mvar, leaving the door open for races.)
704    
705    ----------------------------------------------------------------------
706    Name: Matthias Blume (blume (at) tti - c (dot) org)
707    Date: 2005/02/25 15:00:00 CST
708    Tag: Release_110_53
709    Description:
710    
711    New working version (110.53).  NEW BOOTFILES!
712    
713    ----------------------------------------------------------------------
714    Name: Matthias Blume (blume (at) tti - c (dot) org)
715    Date: 2005/02/25 14:50:00 CST
716    Tag: blume-20050225-susp
717    Description:
718    
719    Brought back SMLofNJ.Susp.  The underlying suspension type is the one
720    implemented in Core -- which means that it is the same as the one used
721    by the lazy extension.
722    
723    ----------------------------------------------------------------------
724    Name: Matthias Blume (blume (at) tti - c (dot) org)
725    Date: 2005/02/24 16:50:00 CST
726    Tag: blume-20050224-cml-atom
727    Description:
728    
729    Simpler and at the same time more general implementation of structure
730    Atom in CML.
731    
732    ----------------------------------------------------------------------
733    Name: Matthias Blume (blume (at) tti - c (dot) org)
734    Date: 2005/02/15 17:35:00 CST
735    Tag: blume-20050215-tools
736    Description:
737    
738    Created new "tools" directory under "src" and moved "TraceDebugProf"
739    there.
740    
741    ----------------------------------------------------------------------
742    Name: Matthias Blume (blume (at) tti - c (dot) org)
743    Date: 2005/02/10 17:55:00 CST
744    Tag: blume-20050210-longlong
745    Description:
746    
747    Implemented "long long" arguments and results for NLFFI.  (Only the
748    PPC/MacOS implementation is complete, the other backends still need to
749    be updated.)
750    
751    ----------------------------------------------------------------------
752    Name: Matthias Blume (blume (at) tti - c (dot) org)
753    Date: 2005/01/24 17:40:00 CST
754    Tag: blume-20050124-mlyacc
755    Description:
756    
757    Minor cleanup in ML-Yacc rule printing mechanism.  This should fix a
758    problem with certain "as" patterns which previously got rendered
759    using incorrect syntax.
760    
761    ----------------------------------------------------------------------
762    Name: Matthias Blume (blume (at) tti - c (dot) org)
763    Date: 2005/01/18 12:00:00 CST
764    Tag: blume-20050118-profile
765    Description:
766    
767    Made time profiling code (interrupt handler) in runtime system aware
768    of new array representation.
769    
770    ----------------------------------------------------------------------
771    Name: Matthias Blume (blume (at) tti - c (dot) org)
772    Date: 2005/01/14 18:00:00 CST
773    Tag: blume-20050114-heap2exec
774    Description:
775    
776    Implemented new (but still experimental) heap2exec facility.  This is
777    tested under Mac OS X and should work under Linux (will test shortly).
778    It will probably also work on the Sparc (will test some time later).
779    
780      - removed old "HACKED_STANDALONE" hack from runtime
781    
782    To be able to test this, uncomment the request for "heap2asm" in
783    config/targets prior to installation.  (Notice that this is different
784    from "heap2exec" mentioned below.  Not a typo.)
785    
786    To perform an actual test, run the command
787    
788       $ bin/heap2exec heapfile execfile
789    
790    (You can put heap2exec on your shell's path.)
791    
792    For example, run
793    
794      $ bin/heap2exec bin/.heap/ml-yacc.ppc-darwin mly
795    
796    This will create a standalone executable called "mly" which you can
797    then invoke directly as a command.
798    
799    ----------------------------------------------------------------------
800    Name: Matthias Blume (blume (at) tti - c (dot) org)
801    Date: 2005/01/07 11:44:00 CST
802    Tag: blume-20050107-mlstring
803    Description:
804    
805    fixed off-by-one error in ML_STRING macro (globals.c)
806    
807    ----------------------------------------------------------------------
808    Name: Matthias Blume (blume (at) tti - c (dot) org)
809    Date: 2004/12/23 18:00:00 CST
810    Tag: blume-20041223-santa
811    Description:
812    
813    Made ml-build script "smarter" (but only very little).
814    
815    ----------------------------------------------------------------------
816    Name: Matthias Blume (blume (at) tti - c (dot) org)
817    Date: 2004/12/21 15:05:00 CST
818    Tag: blume-20041221-longlong
819    Description:
820    
821    * Implemented access to signed and unsigned long long data in NLFFI.
822    (The parameter-passing part of the picture has not complete. But
823    data structure access seems to work.)
824    
825    * Fixed CM's incorrect assumption that the PPC is little-endian.
826      (On the Mac, it is big-endian.  And that's currently our only
827      PPC platform.)
828    
829    ----------------------------------------------------------------------
830    Name: Matthias Blume (blume (at) tti - c (dot) org)
831    Date: 2004/12/21 12:50:00 CST
832    Tag: blume-20041221-memory
833    Description:
834    
835    Some cleanup in the $c/memory.cm library: separated some concerns by
836    moving allocation code and memory access code each into their own
837    files.
838    
839    ----------------------------------------------------------------------
840    Name: Allen Leung (leunga (at) reservoir (dot) com)
841    Date: 2004/12/17 16:12:00 EST
842    Tag: leunga-20041217-cygwin-smlnj-home
843    Description:
844    
845        The Unix I/O library of SML/NJ on cygwin does not understand
846    Windows style pathname, so problems arise when SMLNJ_HOME is set
847    to a Windows style pathname.  _run-sml now converts SMLNJ_HOME
848    to a POSIX pathname on cygwin.
849    
850    ----------------------------------------------------------------------
851    Name: Matthias Blume (blume (at) tti - c (dot) org)
852    Date: 2004/12/16 13:35:00 CST
853    Tag: Release_110_52
854    Description:
855    
856    Last-minute changes incorporated into 110.52.  Release tag moved.
857    
858    The changes:
859       - HashString.hashString' -> HashString.hashSubstring
860       - bug fix in UnivariateStats
861    
862    ----------------------------------------------------------------------
863    Name: Matthias Blume (blume (at) tti - c (dot) org)
864    Date: 2004/12/15 23:40:00 CST
865    Tag: blume-20041215-hashSubstring
866    Description:
867    
868    - HashString.hashString' -> HashString.hashSubstring
869    - corresponding changes in atom.sml
870    - "de-compressed" (aka. un-obfuscated) code for UnivariateStats and
871      added some comments
872    
873    ----------------------------------------------------------------------
874    Name: Matthias Blume (blume (at) tti - c (dot) org)
875    Date: 2004/12/15 15:30:00 CST
876    Tag: (Release_110_52)
877    Description:
878    
879    New working version (110.52).  NEW BOOTFILES!
880    
881    ----------------------------------------------------------------------
882    Name: Matthias Blume (blume (at) tti - c (dot) org)
883    Date: 2004/12/15 12:45:00 CST
884    Tag: blume-20041215-spaces
885    Description:
886    
887    More on the space problem (this time for Win32).
888    
889    ----------------------------------------------------------------------
890    Name: Matthias Blume (blume (at) tti - c (dot) org)
891    Date: 2004/12/14 17:30:00 CST
892    Tag: blume-20041214-spaces
893    Description:
894    
895    Hacked some of the scripts (in particular: the installer) to cope with
896    spaces in filenames a bit better.  But beware: the current "solution"
897    is likely still full of bugs and inherently incomplete.  (We need to
898    do away with those shell scripts for a comprehensive solution.)
899    
900    ----------------------------------------------------------------------
901    Name: Matthias Blume (blume (at) tti - c (dot) org)
902    Date: 2004/12/13 14:45:00 CST
903    Tag: blume-20041213-ml-makedepend
904    Description:
905    
906    Fixed bug in code for ml-makedepend.
907    
908    ----------------------------------------------------------------------
909    Name: Matthias Blume (blume (at) tti - c (dot) org)
910    Date: 2004/12/09 16:30:00 CST
911    Tag: blume-20041209-statistics
912    Description:
913    
914    Added two simple but potentially useful statistics modules to SML/NJ Library.
915    (See CHANGES file there.)
916    
917    ----------------------------------------------------------------------
918    Name: Matthias Blume (blume (at) tti - c (dot) org)
919    Date: 2004/12/01 16:50:00 CST
920    Tag: blume-20041201-atom
921    Description:
922    
923    smlnj-lib:
924    
925      Added function HashString.hashString' for substrings.
926      Hand-inlined CharVector.foldl into HashString (for speed).
927      Modified implementation of structure Atom to avoid extracting
928      strings from substrings unless necessary.
929      (Also see CHANGES file for smlnj-lib.)
930    
931    ----------------------------------------------------------------------
932    Name: Matthias Blume (blume (at) tti - c (dot) org)
933    Date: 2004/11/24 22:15:00 CST
934    Tag: blume-20041124-cml
935    Description:
936    
937    Made sure CML compiles when Position = Int64.
938    
939    ----------------------------------------------------------------------
940    Name: Matthias Blume (blume (at) tti - c (dot) org)
941    Date: 2004/11/24 14:30:00 CST
942    Tag: blume-20041124-position
943    Description:
944    
945    The compiler can now be compiled in a mode that makes structure Position
946    equal to Int64.  The default, however, is unchanged (Position = Int31)
947    for the time being.
948    
949    To enable 64-bit positions, use the following procedure:
950    
951    1. Start sml
952    2. Autoload $smlnj/cmb.cm (if not already autoloaded)
953    3. Type
954          #set (CMB.symval "USE_64_BIT_POSITIONS") (SOME 1);
955    4. Run CMB.make() as usual.
956    
957    This is barely tested.  The only test so far was a little SML program
958    counting the number of characters in an 8-gigabyte file by
959    reading it character-by-character.  That test was successful.
960    
961    In support of 64-bit positions, a number of new functions have been
962    added to the runtime system.
963    
964    ----------------------------------------------------------------------
965    Name: Matthias Blume (blume (at) tti - c (dot) org)
966    Date: 2004/11/23 14:45:00 CST
967    Tag: blume-20041123-useFile
968    Description:
969    
970    Fixed a problem with unhelpful error messages related to problems with
971    .cm- or .sml files that appear as part of the sml command line.
972    
973    ----------------------------------------------------------------------
974    Name: Matthias Blume (blume (at) tti - c (dot) org)
975    Date: 2004/11/18 15:40:00 CST
976    Tag: Release_110_51
977    Description:
978    
979    New working version (110.51).  NEW BOOTFILES!
980    
981    ----------------------------------------------------------------------
982    Name: Matthias Blume (blume (at) tti - c (dot) org)
983    Date: 2004/11/18 15:35:00 CST
984    Tag: <none>
985    Description:
986    
987    Enabled dlopen and friends for FreeBSD (as recommended by Johannes 5
988    Joemann).
989    
990    ----------------------------------------------------------------------
991    Name: Allen Leung (leunga (at) reservoir (dot) com)
992    Date: 2004/11/17 16:05:21 EST 2004
993    Tag: leunga-20041117-mlrisc-live-kill
994    Description:
995    
996       Added support for MLTree constructs LIVE and KILL
997    to all the architectures.
998    
999    ----------------------------------------------------------------------
1000    Name: Matthias Blume (blume (at) tti - c (dot) org)
1001    Date: 2004/11/13 00:20:00 CST
1002    Tag: blume-20041113-versiontool
1003    Description:
1004    
1005    - Stripped down the versiontool: It now only handles the version number.
1006      The date string is generated at bootstrap time (during makeml).
1007    
1008    - In a previous commit, fixed a minor issue with how polyequal is being
1009      translated.  In particular, the code now "looks through" abstractions.
1010      This results in slightly fewer polyEqual warnings and hopefully slightly
1011      more efficient code.  Important examples for where this matters are
1012      the new int64 and word64 types.
1013    
1014    ----------------------------------------------------------------------
1015    Name: Matthias Blume (blume (at) tti - c (dot) org)
1016    Date: 2004/11/12 00:30:00 CST
1017    Tag: blume-20041112-int64
1018    Description:
1019    
1020    Structure Int64 fully hooked in.  (The implementation is not very
1021    efficient, though.)
1022    
1023    ----------------------------------------------------------------------
1024    Name: Matthias Blume (blume (at) tti - c (dot) org)
1025    Date: 2004/11/11 17:30:00 CST
1026    Tag: blume-20041111-more64
1027    Description:
1028    
1029    All the pieces of Word64 are now there, with the exception of the
1030    conversions from and to LargeWord. (Eventually these need to be identities,
1031    but for the time being they don't even make sense because LargeWord is
1032    32-bit wide.)
1033    
1034    Also started to add similar support for Int64, but major pieces of that
1035    are still missing.
1036    
1037    ----------------------------------------------------------------------
1038    Name: Matthias Blume (blume (at) tti - c (dot) org)
1039    Date: 2004/11/11 00:15:00 CST
1040    Tag: blume-20041111-word64
1041    Description:
1042    
1043    Structure Word64 is now (almost) complete, word literals and patterns
1044    seem to work.  There are a few odd pieces missing.  In particular,
1045    I didn't do the {from,to}LargeWord parts because LargeWord is still Word32
1046    at the moment.
1047    
1048    Making Word64 official would mean that LargeWord becomes Word64.  But
1049    this requires extreme care because most word-word conversions have to
1050    go through LargeWord, so making a mistake means loss of efficiency or
1051    worse.  Eventually there will be a solution similar to (but actually
1052    simpler than) what I did with IntInf.
1053    
1054    ----------------------------------------------------------------------
1055    Name: Matthias Blume (blume (at) tti - c (dot) org)
1056    Date: 2004/11/10 18:12:00 CST
1057    Tag: blume-20041110-64bit
1058    Description:
1059    
1060    More 64-bit hacking (but still not even half-way there yet).
1061    Also, some assorted improvements to the handling of 8-bit words.
1062    
1063    ----------------------------------------------------------------------
1064    Name: Matthias Blume (blume (at) tti - c (dot) org)
1065    Date: 2004/11/09 17:50:00 CST
1066    Tag: <none>
1067    Description:
1068    
1069    Started adding some infrastructure for supporting 64-bit int- and
1070    word-types.  (Still in its very early stages.)
1071    
1072    ----------------------------------------------------------------------
1073    Name: Matthias Blume (blume (at) tti - c (dot) org)
1074    Date: 2004/10/28 10:45:00 CDT
1075    Tag: Release_110_50
1076    Description:
1077    
1078    New working version (110.50).  NEW BOOTFILES!
1079    
1080                 =====================
1081    
1082    Also:
1083    
1084      - Changend config/srcarchiveurl from a file just
1085        containing the URL string into a file containing
1086        shell script code.  The code has access to the $VERSION variable.
1087      - Made corresponding changes to config/install.sh and config/unpack.
1088      - Default contents of config/srcarchiveurl uses $VERSION and
1089        normally does not have to be edited to reflect a version change.
1090    
1091      (As a result, a version change can be done by just editing
1092       config/version, the rest is now automatic.)
1093    
1094    ----------------------------------------------------------------------
1095    Name: Matthias Blume (blume (at) tti - c (dot) org)
1096    Date: 2004/10/27 17:50:00 CDT
1097    Tag: blume-20041027-btrace-msg
1098    Description:
1099    
1100    BackTrace.monitor now also reports the source of the exception that
1101    triggered the trace.
1102    
1103    ----------------------------------------------------------------------
1104    Name: Matthias Blume (blume (at) tti - c (dot) org)
1105    Date: 2004/10/27 17:20:00 CDT
1106    Tag: blume-20041027-x86-c-calls
1107    Description:
1108    
1109    This is the HISTORY entry for two earlier commits, both concerning
1110    the x86 c-calls code in MLRISC:
1111    
1112      - added a missing LOAD in the code that deals with struct arguments
1113      - made sure the caller does not add the wrong number of bytes to the
1114        stack pointer after a call of a function returning a struct
1115        (the callee already pops the implicit argument which points to
1116         the space reserved for the result)
1117    
1118    ----------------------------------------------------------------------
1119    Name: Allen Leung (leunga (at) reservoir (dot) com)
1120    Date: 2004/10/24 14:00:00 EST
1121    Tag: leunga-20041024-x86-gas-fucomip
1122    Description:
1123    
1124       John discovered a bug in the syntax of fucomip.
1125       The opcodes FU?COMIP? have been changed to
1126    
1127           fu?comip? %st(i), %st
1128    
1129    ----------------------------------------------------------------------
1130    Name: Matthias Blume (blume (at) tti - c (dot) org)
1131    Date: 2004/10/20 15:06:00 CDT
1132    Tag: blume-20041020-standalone-backtrace
1133    Description:
1134    
1135    Added a mechanism for getting back-trace information from standalone
1136    programs.  Here is how it works:
1137    
1138       1. The part of the program from which you want to get backtrace
1139          information (usually the whole program) should be wrapped with
1140          BackTrace.monitor.  This is a (unit->'a)->'a function, and your
1141          main program could be modified from something like
1142    
1143             fun main (pgm, args) = ...
1144    
1145         to
1146    
1147            fun main (pgm, args) = BackTrace.monitor (fn () => ...)
1148    
1149       2. To be able to access BackTrace.monitor, you have to add
1150          library $smlnj-tdp/plugins.cm to the .cm file that contains your
1151          main function.
1152    
1153       3. Remove all compiled code (i.e., all the .cm/ subdirectories that
1154          CM might have created in the past for your project).
1155    
1156       4. Build the system using this command line:
1157    
1158             ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
1159                      myprog.cm MyProg.main myprog
1160    
1161          instead of the usual
1162    
1163             ml-build myprog.cm MyProg.main myprog
1164    
1165    I changed a library name:
1166    
1167       $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
1168    
1169    New libraries:
1170    
1171       $smlnj-tdp/back-trace.cm
1172          -- when loaded causes the back-trace plugin to be installed
1173       $smlnj-tdp/coverage.cm
1174          -- when loaded causes the coverage plugin to be installed
1175    
1176    ----------------------------------------------------------------------
1177    Name: Matthias Blume (blume (at) tti - c (dot) org)
1178    Date: 2004/10/18 16:45:00 CDT
1179    Tag: blume-20041018-groupowner
1180    Description:
1181    
1182    Added an "obsolete" warning for the "group owner" syntax to CM's parser.
1183    
1184    Eliminated group owner specs from .cm files throughout the source tree.
1185    
1186    ----------------------------------------------------------------------
1187    Name: Matthias Blume (blume (at) tti - c (dot) org)
1188    Date: 2004/10/15 15:45:00 CDT
1189    Tag: blume-20041015-coverage
1190    Description:
1191    
1192    * Test coverage tool added!
1193    * Further reorganization of tracing-, debugging-, and profiling support:
1194    
1195        - moved original BTImp -- now called BackTrace -- into a separate
1196          library called $/trace-debug-profile.cm
1197        - eliminated all mentions of BTrace from SMLofNJ.Internals
1198        - only the instrumentation mechanism is now left in the compiler proper
1199        - BackTrace module is a plugin which is NOT plugged in by default
1200        - Coverage module is another such plugin
1201    
1202    To get the benefits of any of these plugin modules, the code in
1203    question must be compiled with tdp instrumentation turned on.  This
1204    can be done by setting SMLofNJ.Internals.TDP.mode to true.
1205    (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
1206    
1207    Plugins are selected at link time.  (Pre-compiled instrumented code
1208    can be re-loaded with different plugins in effect.)  When an
1209    instrumented module is linked, whatever plugins are at that time
1210    enabled will come into effect for that module.
1211    
1212    To enable the back-trace plugin, load library $/trace-debug-profile.cm
1213    and invoke BackTrace.install() (e.g., from the interactive prompt).
1214    To enable the coverage plugin, load the same library and invoke
1215    Coverage.install().
1216    
1217    Back-traces are generated automatically on uncaught exceptions and
1218    when the code in question explicitly invokes BackTrace.trigger().
1219    
1220    Coverage (and execution frequency-) information must be queried
1221    explicitly by calling Coverage.not_covered and Coverage.hot_spots.
1222    
1223    ----------------------------------------------------------------------
1224    Name: Matthias Blume (blume (at) tti - c (dot) org)
1225    Date: 2004/10/14 17:40:00 CDT
1226    Tag: blume-20041014-tdp-core
1227    Description:
1228    
1229    Snapshot of a significant overhaul of how the trace/debug/profile support
1230    is hooked into the system (specifically: Core and SMLofNJ.Internals).
1231    
1232    ----------------------------------------------------------------------
1233    Name: Matthias Blume (blume (at) tti - c (dot) org)
1234    Date: 2004/10/13 16:34:00 CDT
1235    Tag: blume-20041013-tdp
1236    Description:
1237    
1238    Some rationalization of names:
1239    
1240       structure BTrace -> structure TDPInstrument
1241       etc.
1242    
1243    This is is preparation of using the original back-trace
1244    instrumentation for other purposes.  "TDP" stands for
1245    Trace/Debug/Profile.
1246    
1247    The control flag controlling whether instrumentation is on or off is now
1248    registered under a different name, so instead of running sml as
1249    
1250     sml -Cinstrument.btrace-mode=true
1251    
1252    one has to say
1253    
1254     sml -Ctdp.instrument=true
1255    
1256    ----------------------------------------------------------------------
1257    Name: Matthias Blume (blume (at) tti - c (dot) org)
1258    Date: 2004/10/11 16:37:00 CDT
1259    Tag: blume-20041011-regions
1260    Description:
1261    
1262    Made some minor modifications to elabcore.sml to have source regions
1263    be propagated more tightly -- resulting in better (i.e., smaller)
1264    regions being reported in error- and debug messages.
1265    
1266    ----------------------------------------------------------------------
1267    Name: Matthias Blume (blume (at) tti - c (dot) org)
1268    Date: 2004/10/08 22:50:00 CDT
1269    Tag: blume-20041008-cmkw
1270    Description:
1271    
1272    Fixed handling of keywords in .cm files: After seeing "is" the lexer
1273    treats subsequent occurrences of "group", "library", "source", "is",
1274    "*", and "-" as ordinary identifiers rather than keywords.
1275    
1276    Most seriously, this fixes a problem with CM's "shell" tool.  The tool
1277    is supposed to accept a tool argument called "source", but this did
1278    not work because of the clash with the keyword.
1279    
1280    ----------------------------------------------------------------------
1281    Name: Matthias Blume (blume (at) tti - c (dot) org)
1282    Date: 2004/10/07 16:00:00 CDT
1283    Tag: blume-20041007-cleanup
1284    Description:
1285    
1286    Assorted cleanup work:
1287    
1288      - got rid of intstrmap in favor of using the library's
1289        hash table implementation
1290      - threw out most of the pathnames stuff, as it was not used anyway
1291      - simplified tokentable implementation
1292      - fixed some minor spelling errors
1293    
1294    ----------------------------------------------------------------------
1295    Name: Matthias Blume (blume (at) tti - c (dot) org)
1296    Date: 2004/10/06 15:15:15 CDT
1297    Tag: blume-20041006-handler
1298    Description:
1299    
1300    Cleaned up the absyn to reflect the invariant that HANDLE always
1301    carries a FNexp as part of the type definition.  This eliminates some
1302    superfluous sanity checks at runtime down the road.
1303    
1304    Some minor cleanup of the btrace code.
1305    
1306    ----------------------------------------------------------------------
1307    Name: Matthias Blume (blume (at) tti - c (dot) org)
1308    Date: 2004/10/01 10:20:30 CDT
1309    Tag: blume-20041001-slave
1310    Description:
1311    
1312    Added hack to make slave mode work in the presence of the version
1313    tool.  (Still, since the master does two passes over the code for
1314    CMB.make, the release number gets bumped twice when slaves are
1315    attached.  I don't know if this is worth fixing...)
1316    
1317    ----------------------------------------------------------------------
1318    Name: Matthias Blume (blume (at) tti - c (dot) org)
1319    Date: 2004/09/30 10:55:00 CDT
1320    Tag: blume-20040930-version
1321    Description:
1322    
1323    * Moved the "version" magic into its own little library under
1324      src/system/smlnj/internal.  This avoids expensive reconstruction of
1325      a stable src/compiler/core.cm.
1326    
1327    * At the same time, structure CompilerVersion is now known as
1328      structure SMLNJVersion.
1329    
1330    * Arranged for the version tool to NOT kick in when rebuilding the system
1331      (makeml -rebuild, fixpt).  Otherwise one would never reach a fixpoint.
1332      Also, loading the versiontool does not work when rebuilding the system
1333      because CM is not properly initialized at that time.
1334    
1335    ----------------------------------------------------------------------
1336    Name: Matthias Blume (blume (at) tti - c (dot) org)
1337    Date: 2004/09/29 14:00:00 CDT
1338    Tag: blume-20040929-autoversion
1339    Description:
1340    
1341    Implemented some CM magic to have
1342        file src/compiler/TopLevel/main/version.sml
1343    generated automagically.
1344    The version is taken from two files: config/version and config/release.
1345    The first is expected to contain a two-part version number such as 110.49.
1346    The second should contain a single number, but it may be missing.
1347    
1348    If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
1349    time the version tool is loaded (which is the first time you say CMB.make),
1350    then the tool will increment the value stored in config/release every
1351    time CMB.make is invoked.
1352    
1353    The binfile format is now insensitive to anything beyond the first
1354    two components of a version number, so bumping the release does not render
1355    binfiles incompatible.  Auto-bumping can be used to keep track of versions
1356    during development without invalidating existing binfiles.
1357    
1358    In any case, every CMB.make updates the date information in version.sml.
1359    (This is the date that is printed in the banner.)
1360    
1361    ----------------------------------------------------------------------
1362    Name: Matthias Blume (blume (at) tti - c (dot) org)
1363    Date: 2004/09/28 10:53:00 CDT
1364    Tag: blume-20040928-controls
1365    Description:
1366    
1367    Some cleanup of the controls code.
1368    
1369    ----------------------------------------------------------------------
1370    Name: Matthias Blume (blume (at) tti - c (dot) org)
1371    Date: 2004/09/27 22:08:00 CDT
1372    Tag: blume-20040927-controls
1373    Description:
1374    
1375    Added two pieces of functionality to the Controls interface:
1376    
1377    1.   val save'restore: 'a control -> unit -> unit
1378    
1379       grabs the current value of the control in stage 1 and restores it
1380       in stage 2.
1381    
1382    2.   val set' : 'a control * 'a -> unit -> unit
1383    
1384       stores the given value into the control in stage 2 (i.e., delayed)
1385       but does all error checking in stage 1.
1386       (This is for string controls that need to do parse their argument --
1387        something that might fail.  In some cases, notably in CM, one
1388        already knows the intended argument but wants to delay the actual
1389        assignment until a time when error recovery would be more difficult.)
1390    
1391    Changed the handling of controls in tool arguments to classes "sml" and
1392    "lazysml":
1393       - use Controls.save'restore as a more robust way of restoring the
1394         old value (in particular: without having to re-parse the string)
1395       - use controls to handle the "overload" keyword in the init group
1396         (I believe this change actually fixes a long-standing obscure bug.)
1397    
1398    ----------------------------------------------------------------------
1399    Name: Matthias Blume (blume (at) tti - c (dot) org)
1400    Date: 2004/09/27 17:00:00 CDT
1401    Tag: blume-20040927-lazysml
1402    Description:
1403    
1404    Added a new tool class called "lazysml" to CM's tool chest.  The only
1405    difference to "sml" is that compilation is done with Control.lazysml
1406    set to true.  A source of class "lazysml" is automatically recognized
1407    by a file name suffix of ".lml".
1408    
1409    In addition to the above feature, the original class "sml" now also
1410    supports a tool argument "lazy" which has the same effect.  As a
1411    result, the following three lines are equivalent:
1412    
1413        foo.sml : lazysml
1414        foo.sml : sml (lazy)
1415        foo.sml (lazy)
1416    
1417    The setting goes into effect both during parsing and during
1418    compilation.  The original setting is restored right after parsing and
1419    after compilation, respectively.
1420    
1421    In addition to all the above, there is also a general mechanism to set
1422    ANY of the "controls" that are available at the command line via
1423    "-C..." on a per-sml-file basis.  The same rules that apply for "lazy"
1424    apply as well. (In fact, "lazy" is implemented as a special case of
1425    the general mechanism.)
1426    
1427    The .cm file syntax uses a new keyword tool argument called "with".
1428    There are several ways of indicating the desired settings:
1429    
1430        foo.sml (with:parser.quotations=true)
1431        foo.sml (with:(name:parser.quotations value:true))
1432        foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
1433        foo.sml (with:(name1=value1 name2=value2 ...))
1434        foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
1435    
1436        etc.
1437    
1438    Another possible abbreviation is to leave out the =v or value:v part
1439    if the name refers to a boolean control (in which case the value is
1440    taken to be true).  Thus, one could get lazy sml also by saying:
1441    
1442        foo.sml (with:parser.lazy-keyword=true)
1443        foo.sml (with:parser.lazy-keyword)
1444        foo.sml (with:(name:parser.lazy-keyword value:true))
1445        foo.sml (with:(name:parser.lazy-keyword))
1446    
1447    ----------------------------------------------------------------------
1448    Name: Matthias Blume (blume (at) tti - c (dot) org)
1449    Date: 2004/09/24 16:22:00 CDT
1450    Tag: blume-20040924-ppc-long-branch
1451    Description:
1452    
1453    Turned message about "emiting long form of branch" off by default.
1454    Added a control flag to turn it back on when desired.
1455    
1456    ----------------------------------------------------------------------
1457    Name: Matthias Blume (blume (at) tti - c (dot) org)
1458    Date: 2004/09/24 16:05:00 CDT
1459    Tag: blume-20040924-rounding
1460    Description:
1461    
1462    Applied patch for setting rounding modes under Mac OS X.  Thanks to
1463    Melissa O'Neill for providing the code!
1464    
1465    ----------------------------------------------------------------------
1466    Name: Matthias Blume (blume (at) tti - c (dot) org)
1467    Date: 2004/09/23 17:30:00 CDT
1468    Tag: blume-20040923-envvars
1469    Description:
1470    
1471    1. Changed definition of type ControlRegistry.registry_tree to
1472       include control_info (i.e., the name of the controlling environment
1473       variable).
1474    
1475    2. Added command-line flags -e and -E to print the names of environment
1476       variables that can be used to control internal settings.
1477       (This uses the new API mentioned in 1.)
1478    
1479    ----------------------------------------------------------------------
1480    Name: Matthias Blume (blume (at) tti - c (dot) org)
1481    Date: 2004/09/13 16:50:00 CDT
1482    Tag: Release_110_49
1483    Description:
1484    
1485    New working version (110.49).  NEW BOOTFILES!
1486    
1487    ----------------------------------------------------------------------
1488    Name: Matthias Blume
1489    Date: 2004/09/13 16:20:00 CDT
1490    Tag: blume-20040913-config-mlrisc
1491    Description:
1492    
1493    Put target "mlrisc" back into the default list.
1494    (There is no harm in having it, and some users have expressed their
1495    wish to have "mlrisc" included by default.)
1496    
1497    ----------------------------------------------------------------------
1498    Name: John Reppy
1499    Date: 2004/09/13
1500    Tag: jhr-20040913-signals
1501    Description:
1502    
1503    Fixed the signal masking code to properly nest mask/unmask operations
1504    on a per-signal basis.
1505    
1506    ----------------------------------------------------------------------
1507    Name: Matthias Blume (blume (at) tti - c (dot) org)
1508    Date: 2004/09/08 13:20:00 CDT
1509    Tag: blume-20040908-heap-magic
1510    Description:
1511    
1512    Bumped the heap macig number to 0x09082004 to account for the changed
1513    layout of the ML frame under MacOS X.
1514    
1515    ----------------------------------------------------------------------
1516    Name: Allen Leung (leunga (at) reservoir (dot) com)
1517    Date: 2004/09/03 11:26:00 EST
1518    Tag: leunga-20040903-cygwin-install
1519    Description:
1520    
1521       Added a patch to _arch-n-opsys to enable the Cygwin runtime.
1522    The Cygwin runtime is turned on by setting the environment
1523    variable SMLNJ_CYGWIN_RUNTIME to 1.
1524    
1525    ----------------------------------------------------------------------
1526    Name: Matthias Blume (blume (at) tti - c (dot) org)
1527    Date: 2004/08/31 17:15:00 CDT
1528    Tag: blume-20040831-core
1529    Description:
1530    
1531    Added some exports to src/compiler/core.cm upon request by J. Joemann.
1532    
1533    ----------------------------------------------------------------------
1534    Name: Matthias Blume (blume (at) tti - c (dot) org)
1535    Date: 2004/08/30 17:55:00 CDT
1536    Tag: blume-20040830-installer
1537    Description:
1538    
1539    Upon request by Johannes Joemann:
1540    
1541    - improved ML code of installer to fall back to coping when renaming
1542      fails (i.e., when source and target are on different file systems);
1543      the code compiles but has yet to be tested in anger
1544    - removed mlrisc from list of default targets (config/targets)
1545    
1546    ----------------------------------------------------------------------
1547    Name: Matthias Blume (blume (at) tti - c (dot) org)
1548    Date: 2004/08/27 17:20:00 CDT
1549    Tag: blume-20040827-ptreql
1550    Description:
1551    
1552    Added ptreql primop to structure InlineT (upon request from Larry
1553    Paulson).
1554    
1555    ----------------------------------------------------------------------
1556    Name: Allen Leung (leunga (at) reservoir (dot) com)
1557    Date: 2004/08/15 21:21:00 EST
1558    Tag: leunga-110_48-udgraph
1559    Description:
1560    
1561    Another bug fix from Carl Hauser:
1562    
1563    diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
1564    > 48c48
1565    > <              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
1566    > e::L)
1567    > ---
1568    > >              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
1569    > Without this, any deletion of an edge in an undirected graph does severe
1570    > violence to the graph.
1571    
1572    ----------------------------------------------------------------------
1573    Name: Allen Leung (leunga (at) reservoir (dot) com)
1574    Date: 2004/08/10 23:35:00 EST
1575    Tag: leunga-110_48-ppc
1576    Description:
1577    
1578       The IBM/MacOS syntax switch on PPC was incorrectly swapped.
1579    
1580    ----------------------------------------------------------------------
1581    Name: Matthias Blume (blume (at) tti - c (dot) org)
1582    Date: 2004/08/10 12:00:00 CDT
1583    Tag: Release_110_48
1584    Description:
1585    
1586    New working version (110.48).  NEW BOOTFILES!
1587    
1588    ----------------------------------------------------------------------
1589    Name: Allen Leung (leunga (at) reservoir (dot) com)
1590    Date: 2004/08/09 12:21:00 EST
1591    Tag: leunga-110_47-dijsktra
1592    Description:
1593    
1594    Bug fix from Carl Hauser:
1595    
1596    single_source_shortest_paths in dijkstra.sml was observed to get wrong
1597    answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
1598    
1599    The problem is that following the expression A.update(dist,s,Num.zero)
1600    it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
1601    
1602    ----------------------------------------------------------------------
1603    Name: Matthias Blume (blume (at) tti - c (dot) org)
1604    Date: 2004/08/06 18:10:00 CDT
1605    Tag: blume-20040806-cmdline
1606    Description:
1607    
1608    Fiddled with handling of command-line options:
1609    
1610      * sml now quits after processing the command line
1611        if -H, -S, -h<n>, or -s<n> appears as the last
1612        command-line argument
1613      * a new option -q terminates the session when encountered on
1614        the command line; subsequent arguments will be ignored
1615      * bug fixes: short (erroneous) arguments are no longer ignored
1616        completely
1617    
1618    ----------------------------------------------------------------------
1619    Name: Allen Leung (leunga (at) reservoir (dot) com)
1620    Date: 2004/08/04 18:17:00 EST
1621    Tag: leunga-110_47-ppc-ibm-asm
1622    Description:
1623    
1624      - Added minimal IBM assembly syntax support for PowerPC.
1625    
1626      - Cygwin: manually changed the file cygwin.def.  Some exported symbols have
1627        been altered in the runtime.  We need an automatic way to keep the file
1628        in sync.
1629    
1630    ----------------------------------------------------------------------
1631    Name: Matthias Blume (blume (at) tti - c (dot) org)
1632    Date: 2004/08/04 14:00:00 CDT
1633    Tag: Release_110_47
1634    Description:
1635    
1636    New working version (110.47).  NEW BOOTFILES!
1637    
1638    ----------------------------------------------------------------------
1639    Name: Matthias Blume (blume (at) tti - c (dot) org)
1640    Date: 2004/08/03 14:25:00 CDT
1641    Tag: blume-20040803-callingconv
1642    Description:
1643    
1644    Added low-level support for choosing C calling conventions by
1645    twiddling the type of rawccall.  (See
1646    src/compiler/Semant/types/cproto.sml for details.)
1647    
1648    ----------------------------------------------------------------------
1649    Name: Matthias Blume (blume (at) tti - c (dot) org)
1650    Date: 2004/08/02 15:55:00 CDT
1651    Tag: blume-20040802-backout
1652    Description:
1653    
1654    Backed out of change to win32-filesys.c.  The earlier patch to
1655    get_file_time caused CM to produce files with the wrong time stamp.
1656    
1657    ----------------------------------------------------------------------
1658    Name: Matthias Blume (blume (at) tti - c (dot) org)
1659    Date: 2004/08/02 14:45:00 CDT
1660    Tag: blume-20040802-nlffi-win32
1661    Description:
1662    
1663    Added NLFFI support for Win32, adapted from a patch provided by David
1664    Hansel.  This is currently completely untested.  Also, the issue
1665    concerning stdcall vs. ccall is still unresolved.
1666    
1667    ----------------------------------------------------------------------
1668    Name: Matthias Blume (blume (at) tti - c (dot) org)
1669    Date: 2004/07/30 17:55:00 CDT
1670    Tag: blume-20040730-various
1671    Description:
1672    
1673    Gearing up towards 110.47...
1674    
1675    - various minor bugfixes to ml-nlffigen
1676    - a beginning of a manual for nlffi
1677    
1678    - eliminated 'export name=value' in config/install.sh as this does
1679      not work with certain versions of /bin/sh
1680      (Thanks to David King at Motorola for catching this.)
1681    
1682    - several bugfixes provided or suggested by David Hansel at Reactive Systems:
1683      - added a test for tm==NULL to gmtime.c and localtime.c
1684      - applied patch for incorrect GetFileTime under win32
1685      - toSeconds -> toMilliseconds in Win32/win32-process.sml
1686    
1687    ----------------------------------------------------------------------
1688    Name: Matthias Blume (blume (at) tti - c (dot) org)
1689    Date: 2004/07/21 18:20:00 CDT
1690    Tag: blume-20040721-nlffigen
1691    Description:
1692    
1693    - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
1694      for a typedef to an incomplete type, but leave out the "typ" member.
1695      (This is just for consistency.)
1696    - Started to produce what is supposed to become better (i.e., comprehensive)
1697      documentation of what ml-nlffigen does and produces.
1698    
1699    ----------------------------------------------------------------------
1700    Name: Matthias Blume (blume (at) tti - c (dot) org)
1701    Date: 2004/07/14 16:25:00 CDT
1702    Tag: blume-20040714-union
1703    Description:
1704    
1705    Added C_UNION to c-calls/c-types.sml and updated the machinery
1706    (ml-nlffigen, cproto.sml) that conveys C function interface
1707    information to the code generator.
1708    
1709    However, the actual architecture-specific implementation of function
1710    arguments and results that are C unions is still not implemented.
1711    
1712  ----------------------------------------------------------------------  ----------------------------------------------------------------------
1713  Name: Allen Leung (leunga (at) reservoir (dot) com)  Name: Allen Leung (leunga (at) reservoir (dot) com)
1714  Date: 2004/07/14 14:38:00 EST  Date: 2004/07/14 14:38:00 EST

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