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Diff of /sml/trunk/HISTORY

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revision 1189, Fri May 10 20:40:33 2002 UTC revision 1634, Tue Sep 28 15:53:10 2004 UTC
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13  Description:  Description:
14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16    Name: Matthias Blume (blume (at) tti - c (dot) org)
17    Date: 2004/09/28 10:53:00 CDT
18    Tag: blume-20040928-controls
19    Description:
20    
21    Some cleanup of the controls code.
22    
23    ----------------------------------------------------------------------
24    Name: Matthias Blume (blume (at) tti - c (dot) org)
25    Date: 2004/09/27 22:08:00 CDT
26    Tag: blume-20040927-controls
27    Description:
28    
29    Added two pieces of functionality to the Controls interface:
30    
31    1.   val save'restore: 'a control -> unit -> unit
32    
33       grabs the current value of the control in stage 1 and restores it
34       in stage 2.
35    
36    2.   val set' : 'a control * 'a -> unit -> unit
37    
38       stores the given value into the control in stage 2 (i.e., delayed)
39       but does all error checking in stage 1.
40       (This is for string controls that need to do parse their argument --
41        something that might fail.  In some cases, notably in CM, one
42        already knows the intended argument but wants to delay the actual
43        assignment until a time when error recovery would be more difficult.)
44    
45    Changed the handling of controls in tool arguments to classes "sml" and
46    "lazysml":
47       - use Controls.save'restore as a more robust way of restoring the
48         old value (in particular: without having to re-parse the string)
49       - use controls to handle the "overload" keyword in the init group
50         (I believe this change actually fixes a long-standing obscure bug.)
51    
52    ----------------------------------------------------------------------
53    Name: Matthias Blume (blume (at) tti - c (dot) org)
54    Date: 2004/09/27 17:00:00 CDT
55    Tag: blume-20040927-lazysml
56    Description:
57    
58    Added a new tool class called "lazysml" to CM's tool chest.  The only
59    difference to "sml" is that compilation is done with Control.lazysml
60    set to true.  A source of class "lazysml" is automatically recognized
61    by a file name suffix of ".lml".
62    
63    In addition to the above feature, the original class "sml" now also
64    supports a tool argument "lazy" which has the same effect.  As a
65    result, the following three lines are equivalent:
66    
67        foo.sml : lazysml
68        foo.sml : sml (lazy)
69        foo.sml (lazy)
70    
71    The setting goes into effect both during parsing and during
72    compilation.  The original setting is restored right after parsing and
73    after compilation, respectively.
74    
75    In addition to all the above, there is also a general mechanism to set
76    ANY of the "controls" that are available at the command line via
77    "-C..." on a per-sml-file basis.  The same rules that apply for "lazy"
78    apply as well. (In fact, "lazy" is implemented as a special case of
79    the general mechanism.)
80    
81    The .cm file syntax uses a new keyword tool argument called "with".
82    There are several ways of indicating the desired settings:
83    
84        foo.sml (with:parser.quotations=true)
85        foo.sml (with:(name:parser.quotations value:true))
86        foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
87        foo.sml (with:(name1=value1 name2=value2 ...))
88        foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
89    
90        etc.
91    
92    Another possible abbreviation is to leave out the =v or value:v part
93    if the name refers to a boolean control (in which case the value is
94    taken to be true).  Thus, one could get lazy sml also by saying:
95    
96        foo.sml (with:parser.lazy-keyword=true)
97        foo.sml (with:parser.lazy-keyword)
98        foo.sml (with:(name:parser.lazy-keyword value:true))
99        foo.sml (with:(name:parser.lazy-keyword))
100    
101    ----------------------------------------------------------------------
102    Name: Matthias Blume (blume (at) tti - c (dot) org)
103    Date: 2004/09/24 16:22:00 CDT
104    Tag: blume-20040924-ppc-long-branch
105    Description:
106    
107    Turned message about "emiting long form of branch" off by default.
108    Added a control flag to turn it back on when desired.
109    
110    ----------------------------------------------------------------------
111    Name: Matthias Blume (blume (at) tti - c (dot) org)
112    Date: 2004/09/24 16:05:00 CDT
113    Tag: blume-20040924-rounding
114    Description:
115    
116    Applied patch for setting rounding modes under Mac OS X.  Thanks to
117    Melissa O'Neill for providing the code!
118    
119    ----------------------------------------------------------------------
120    Name: Matthias Blume (blume (at) tti - c (dot) org)
121    Date: 2004/09/23 17:30:00 CDT
122    Tag: blume-20040923-envvars
123    Description:
124    
125    1. Changed definition of type ControlRegistry.registry_tree to
126       include control_info (i.e., the name of the controlling environment
127       variable).
128    
129    2. Added command-line flags -e and -E to print the names of environment
130       variables that can be used to control internal settings.
131       (This uses the new API mentioned in 1.)
132    
133    ----------------------------------------------------------------------
134    Name: Matthias Blume (blume (at) tti - c (dot) org)
135    Date: 2004/09/13 16:50:00 CDT
136    Tag: Release_110_49
137    Description:
138    
139    New working version (110.49).  NEW BOOTFILES!
140    
141    ----------------------------------------------------------------------
142    Name: Matthias Blume
143    Date: 2004/09/13 16:20:00 CDT
144    Tag: blume-20040913-config-mlrisc
145    Description:
146    
147    Put target "mlrisc" back into the default list.
148    (There is no harm in having it, and some users have expressed their
149    wish to have "mlrisc" included by default.)
150    
151    ----------------------------------------------------------------------
152    Name: John Reppy
153    Date: 2004/09/13
154    Tag: jhr-20040913-signals
155    Description:
156    
157    Fixed the signal masking code to properly nest mask/unmask operations
158    on a per-signal basis.
159    
160    ----------------------------------------------------------------------
161    Name: Matthias Blume (blume (at) tti - c (dot) org)
162    Date: 2004/09/08 13:20:00 CDT
163    Tag: blume-20040908-heap-magic
164    Description:
165    
166    Bumped the heap macig number to 0x09082004 to account for the changed
167    layout of the ML frame under MacOS X.
168    
169    ----------------------------------------------------------------------
170    Name: Allen Leung (leunga (at) reservoir (dot) com)
171    Date: 2004/09/03 11:26:00 EST
172    Tag: leunga-20040903-cygwin-install
173    Description:
174    
175       Added a patch to _arch-n-opsys to enable the Cygwin runtime.
176    The Cygwin runtime is turned on by setting the environment
177    variable SMLNJ_CYGWIN_RUNTIME to 1.
178    
179    ----------------------------------------------------------------------
180    Name: Matthias Blume (blume (at) tti - c (dot) org)
181    Date: 2004/08/31 17:15:00 CDT
182    Tag: blume-20040831-core
183    Description:
184    
185    Added some exports to src/compiler/core.cm upon request by J. Joemann.
186    
187    ----------------------------------------------------------------------
188    Name: Matthias Blume (blume (at) tti - c (dot) org)
189    Date: 2004/08/30 17:55:00 CDT
190    Tag: blume-20040830-installer
191    Description:
192    
193    Upon request by Johannes Joemann:
194    
195    - improved ML code of installer to fall back to coping when renaming
196      fails (i.e., when source and target are on different file systems);
197      the code compiles but has yet to be tested in anger
198    - removed mlrisc from list of default targets (config/targets)
199    
200    ----------------------------------------------------------------------
201    Name: Matthias Blume (blume (at) tti - c (dot) org)
202    Date: 2004/08/27 17:20:00 CDT
203    Tag: blume-20040827-ptreql
204    Description:
205    
206    Added ptreql primop to structure InlineT (upon request from Larry
207    Paulson).
208    
209    ----------------------------------------------------------------------
210    Name: Allen Leung (leunga (at) reservoir (dot) com)
211    Date: 2004/08/15 21:21:00 EST
212    Tag: leunga-110_48-udgraph
213    Description:
214    
215    Another bug fix from Carl Hauser:
216    
217    diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
218    > 48c48
219    > <              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
220    > e::L)
221    > ---
222    > >              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
223    > Without this, any deletion of an edge in an undirected graph does severe
224    > violence to the graph.
225    
226    ----------------------------------------------------------------------
227    Name: Allen Leung (leunga (at) reservoir (dot) com)
228    Date: 2004/08/10 23:35:00 EST
229    Tag: leunga-110_48-ppc
230    Description:
231    
232       The IBM/MacOS syntax switch on PPC was incorrectly swapped.
233    
234    ----------------------------------------------------------------------
235    Name: Matthias Blume (blume (at) tti - c (dot) org)
236    Date: 2004/08/10 12:00:00 CDT
237    Tag: Release_110_48
238    Description:
239    
240    New working version (110.48).  NEW BOOTFILES!
241    
242    ----------------------------------------------------------------------
243    Name: Allen Leung (leunga (at) reservoir (dot) com)
244    Date: 2004/08/09 12:21:00 EST
245    Tag: leunga-110_47-dijsktra
246    Description:
247    
248    Bug fix from Carl Hauser:
249    
250    single_source_shortest_paths in dijkstra.sml was observed to get wrong
251    answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
252    
253    The problem is that following the expression A.update(dist,s,Num.zero)
254    it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
255    
256    ----------------------------------------------------------------------
257    Name: Matthias Blume (blume (at) tti - c (dot) org)
258    Date: 2004/08/06 18:10:00 CDT
259    Tag: blume-20040806-cmdline
260    Description:
261    
262    Fiddled with handling of command-line options:
263    
264      * sml now quits after processing the command line
265        if -H, -S, -h<n>, or -s<n> appears as the last
266        command-line argument
267      * a new option -q terminates the session when encountered on
268        the command line; subsequent arguments will be ignored
269      * bug fixes: short (erroneous) arguments are no longer ignored
270        completely
271    
272    ----------------------------------------------------------------------
273    Name: Allen Leung (leunga (at) reservoir (dot) com)
274    Date: 2004/08/04 18:17:00 EST
275    Tag: leunga-110_47-ppc-ibm-asm
276    Description:
277    
278      - Added minimal IBM assembly syntax support for PowerPC.
279    
280      - Cygwin: manually changed the file cygwin.def.  Some exported symbols have
281        been altered in the runtime.  We need an automatic way to keep the file
282        in sync.
283    
284    ----------------------------------------------------------------------
285    Name: Matthias Blume (blume (at) tti - c (dot) org)
286    Date: 2004/08/04 14:00:00 CDT
287    Tag: Release_110_47
288    Description:
289    
290    New working version (110.47).  NEW BOOTFILES!
291    
292    ----------------------------------------------------------------------
293    Name: Matthias Blume (blume (at) tti - c (dot) org)
294    Date: 2004/08/03 14:25:00 CDT
295    Tag: blume-20040803-callingconv
296    Description:
297    
298    Added low-level support for choosing C calling conventions by
299    twiddling the type of rawccall.  (See
300    src/compiler/Semant/types/cproto.sml for details.)
301    
302    ----------------------------------------------------------------------
303    Name: Matthias Blume (blume (at) tti - c (dot) org)
304    Date: 2004/08/02 15:55:00 CDT
305    Tag: blume-20040802-backout
306    Description:
307    
308    Backed out of change to win32-filesys.c.  The earlier patch to
309    get_file_time caused CM to produce files with the wrong time stamp.
310    
311    ----------------------------------------------------------------------
312    Name: Matthias Blume (blume (at) tti - c (dot) org)
313    Date: 2004/08/02 14:45:00 CDT
314    Tag: blume-20040802-nlffi-win32
315    Description:
316    
317    Added NLFFI support for Win32, adapted from a patch provided by David
318    Hansel.  This is currently completely untested.  Also, the issue
319    concerning stdcall vs. ccall is still unresolved.
320    
321    ----------------------------------------------------------------------
322    Name: Matthias Blume (blume (at) tti - c (dot) org)
323    Date: 2004/07/30 17:55:00 CDT
324    Tag: blume-20040730-various
325    Description:
326    
327    Gearing up towards 110.47...
328    
329    - various minor bugfixes to ml-nlffigen
330    - a beginning of a manual for nlffi
331    
332    - eliminated 'export name=value' in config/install.sh as this does
333      not work with certain versions of /bin/sh
334      (Thanks to David King at Motorola for catching this.)
335    
336    - several bugfixes provided or suggested by David Hansel at Reactive Systems:
337      - added a test for tm==NULL to gmtime.c and localtime.c
338      - applied patch for incorrect GetFileTime under win32
339      - toSeconds -> toMilliseconds in Win32/win32-process.sml
340    
341    ----------------------------------------------------------------------
342    Name: Matthias Blume (blume (at) tti - c (dot) org)
343    Date: 2004/07/21 18:20:00 CDT
344    Tag: blume-20040721-nlffigen
345    Description:
346    
347    - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
348      for a typedef to an incomplete type, but leave out the "typ" member.
349      (This is just for consistency.)
350    - Started to produce what is supposed to become better (i.e., comprehensive)
351      documentation of what ml-nlffigen does and produces.
352    
353    ----------------------------------------------------------------------
354    Name: Matthias Blume (blume (at) tti - c (dot) org)
355    Date: 2004/07/14 16:25:00 CDT
356    Tag: blume-20040714-union
357    Description:
358    
359    Added C_UNION to c-calls/c-types.sml and updated the machinery
360    (ml-nlffigen, cproto.sml) that conveys C function interface
361    information to the code generator.
362    
363    However, the actual architecture-specific implementation of function
364    arguments and results that are C unions is still not implemented.
365    
366    ----------------------------------------------------------------------
367    Name: Allen Leung (leunga (at) reservoir (dot) com)
368    Date: 2004/07/14 14:38:00 EST
369    Tag: leunga-110_46_1-ppc-lwzu
370    Description:
371    
372        Added these instructions to the PowerPC architecture:
373        LBZU(X), LHZU(X), LWZU(X),
374        STWU(X), STFDU, STFSU
375    
376        etc...
377    
378        Note: I haven't added their instruction encoding into the description.
379    
380    ----------------------------------------------------------------------
381    Name: Allen Leung (leunga (at) reservoir (dot) com)
382    Date: 2004/07/13 15:04:00 EST
383    Tag: leunga-110_46_1-ppc-lwarx
384    Description:
385    
386       Added the two instructions LWARX and STWCX to the PowerPC
387    instruction set.
388    
389       A (untested) rewrite of loop-structure.sml.  The old version
390    is completely broken.
391    
392    ----------------------------------------------------------------------
393    Name: Matthias Blume (blume (at) tti - c (dot) org)
394    Date: 2004/07/13 13:50:00 CDT
395    Tag: blume-20040713-nlffi
396    Description:
397    
398    - use paramAlloc to report c-calls with too many arguments
399      (for PPC version where parameter area is pre-allocated)
400    - added ccall_maxargspace to machspec (to implement the above)
401    - made "make" commend in CM's "make" tool configurable
402    - added option (default: on) for passing the name of the SML/NJ's "bin"
403      directory to "make"; the call looks like this:
404    
405         make <options> SMLNJ_BINDIR=<dir> <target>
406    
407      This can be used by the Makefile to, e.g., pick the "right" version
408      of ml-nlffigen.
409    - minor code tweaks
410    
411    ----------------------------------------------------------------------
412    Name: Matthias Blume (blume (at) tti - c (dot) org)
413    Date: 2004/07/12 22:50:00 CDT
414    Tag: blume-110_46_1-macosx-nlffi
415    Description:
416    
417    NLFFI under Mac OS X now working (sort of).  This is largely untested,
418    though.
419    
420    Note:  1. You have to make a new, clean build of the runtime system.
421           2. There are new BOOTFILES, you have to use them!
422              (Doing the bootstrap process yourself would be *very* painful!
423               If you absolutely have to do it, build the system under
424               a different architecture and then cross-compile.)
425    
426    Version bumped to 110.46.1 to account for runtime data format changes.
427    
428    ----------------------------------------------------------------------
429    Name: Matthias Blume (blume (at) tti - c (dot) org)
430    Date: 2004/06/18 14:30:00 CDT
431    Tag: blume-20040618-unix
432    Description:
433    
434    Changed the implementation of structure Unix so that the same stream
435    is returned every time one of the {text,bin}{In,Out}streamOf functions
436    is invoked on the same proc.  This is not what the spec currently
437    says -- although IMO it arguably should.  (See discussion below.)
438    
439    ----------------------------------------------------------------------
440    Name: Matthias Blume (blume (at) tti - c (dot) org)
441    Date: 2004/06/17 18:15:00 CDT
442    Tag: Release_110_46
443    Description:
444    
445    New working version (110.46).  NEW BOOTFILES!
446    
447    ----------------------------------------------------------------------
448    Name: Matthias Blume (blume (at) tti - c (dot) org)
449    Date: 2004/06/17 17:20:00 CDT
450    Tag: blume-20040617-timer-unix
451    Description:
452    
453    Changed the interface of structures Timer and Unix to match the most
454    recent Basis spec.
455    
456    In the case of Unix there still seems to be an open/weird issue:
457    
458       The {text,bin}{In,Out}streamOf functions are supposed to create
459       fresh streams whenever they are called -- as opposed to have them
460       return the same stream every time.  This design is supposed to
461       prevent space leaks caused by proc values hanging on to streams.
462    
463       The reap function, on the other hand, is supposed to close the
464       streams.  This cannot be done without having a handle on the
465       stream in proc after all...
466    
467    I took the liberty to implement the following stopgap solution:
468    
469      The proc value hangs on to the most recently created stream(s).
470      Reap closes those.  If either or both of the two streams hadn't
471      been created at all yet, then reap will close the corresponding
472      file descriptors directly.
473    
474    PS: I don't understand the original space leak argument anymore.  If
475    a proc hangs on to the imperative stream, then I/O operations on those
476    will advance the state of the cached stream and avoid the space leak.
477    
478    ----------------------------------------------------------------------
479    Name: Matthias Blume (blume (at) tti - c (dot) org)
480    Date: 2004/05/28 16:45:00 CDT
481    Tag: blume-20040528-basis
482    Description:
483    
484    Added signature PACK_REAL and exported functor PrimIO.
485    
486    ----------------------------------------------------------------------
487    Name: Matthias Blume (blume (at) tti - c (dot) org)
488    Date: 2004/05/25 16:00:00 CDT
489    Tag: blume-20040525-group-owner
490    Description:
491    
492    CM now ignores (but still accepts) the "owner" information in group
493    descriptions.  The owner of a group is its next enclosing
494    library. Each group must have a unique owner.  (There is a virtual
495    "toplevel" library that owns groups which are not nested within a real
496    library.)  Previously, each group had to explicitly declare its owner,
497    and CM would check that such a declaration is correct.  The new scheme
498    is to have CM check that for each group there is precisely one owning
499    library.
500    
501    The advantage of the new scheme is that the programmer no longer needs
502    to maintain the somewhat annoying owner information.  The downside is
503    that CM cannot enforce the ownership rule across multiple runs of
504    CM.make.  Fortunately, enclosing the same group in two different
505    libraries A and B which are not part of the same program does not
506    cause real problems.
507    
508    ----------------------------------------------------------------------
509    Name: Matthias Blume (blume (at) tti - c (dot) org)
510    Date: 2004/05/20 16:00:00 CDT
511    Tag: blume-20040520-win32
512    Description:
513    
514    Made the win32 version work again.  (Strangely, a misplaced comma had
515    slipped into win32-process.c which prevented the runtime from being
516    compiled correctly.)
517    
518    Also, included a minor addition to ml-build.bat analogous to what was
519    done in blume-20040519-ml-build.
520    
521    ----------------------------------------------------------------------
522    Name: Matthias Blume (blume (at) tti - c (dot) org)
523    Date: 2004/05/19 22:10:00 CDT
524    Tag: blume-20040519-ml-build
525    Description:
526    
527    Arranged for ml-build to clean up after itself a little bit better.
528    The script generates a temporary SML source file and compiles it using
529    CM, so CM generates metadata (GUID, SKEL, objectfile) for it.  It now
530    gets rid of those at the end, so they don't accumulate under .cm.
531    
532    This required a minor change to install.sh because the name of the
533    metadata directory (default: .cm) is actually configurable at
534    installation time.
535    
536    ----------------------------------------------------------------------
537    Name: Matthias Blume (blume (at) tti - c (dot) org)
538    Date: 2004/05/18 15:50:00 CDT
539    Tag: blume-20040518-mkreader
540    Description:
541    
542    Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
543    implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
544    
545    ----------------------------------------------------------------------
546    Name: Matthias Blume (blume (at) tti - c (dot) org)
547    Date: 2004/05/11 14:35:00 CDT
548    Tag: blume-20040511-win32sock
549    Description:
550    
551    Added previously missing support for many socket-related functions
552    under win32.  Thanks to David Hansel <hansel@reactive-systems.com>
553    for the voluminous patch!
554    
555    (I have not tested this patch under win32 yet.)
556    
557    Here is David's e-mail:
558    
559    Hi,
560    
561    Attached to this email you find a diff against sml/nj 110.45
562    that will enable socket support under Windows.
563    
564    To apply the patch (using unix or cygwin)
565    1) gunzip runtime.diff.gz
566    2) "cd" into "src/runtime" in the source tree of a fresh
567       110.45 installation.
568    3) patch -p 1 < [your/path/to]runtime.diff
569    
570    The code compiles fine but has NOT yet been extensively tested.
571    I only ran a few tests for basic socket client functionality
572    (which worked fine).  Especially the functions that use ioctl
573    are not tested at all and might not work (see below).
574    
575    I implemented this since we want to move to a newer version of sml/nj
576    but need socket support in order to use it.  This is the first time I
577    even had a look at the sml/nj source,  so please review my changes
578    before making this part of the distribution!  Here are a few issues
579    that I think might be better for someone to solve who is more
580    familiar with the sml/nj source (and socket programming):
581    
582    - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
583      exception since I could not figure out what the windows equivalent
584      of these functions is
585    
586    - In sockets-osdep.h there are a some #include statements that are
587      only used in a few files that include sockets-osdep.h
588    
589    - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
590      does not process its return value since I don't know how to
591      report an error upwards.
592    
593    - It would probably be good to have a call to WSACleanup() when
594      the library is unloaded (if there is such a possibility).
595      Otherwise I think Windows will take care of this automatically
596      when the process finishes.
597    
598    - I used ioctlsocket() as a replacement for ioctl() but I have
599      no idea if that is actually the proper replacement on Windows.
600    
601    - All these issues are marked in the code by "FIXME" comments.
602    
603    We use sml/nj extensively in our products and are quite happy
604    with it.  I hope this contribution will help you.
605    
606    Keep up the good work!
607    
608    David
609    
610    ----------------------------------------------------------------------
611    Name: Matthias Blume (blume (at) tti - c (dot) org)
612    Date: 2004/05/11 14:20:00 CDT
613    Tag: blume-20040511-installml
614    Description:
615    
616    Fixed two bugs in installml script.  (Thanks to Vesa A. Norrman for
617    the patch.)
618    
619    ----------------------------------------------------------------------
620    Name: Matthias Blume (blume (at) tti - c (dot) org)
621    Date: 2004/05/11 14:05:00 CDT
622    Tag: blume-20040511-nlffi-netbsd
623    Description:
624    
625    Added support for nlffi under netbsd.  (Thanks to Vesa A. Norrman for
626    the patch.)
627    
628    ----------------------------------------------------------------------
629    Name: Matthias Blume (blume (at) tti - c (dot) org)
630    Date: 2004/05/11 12:05:00 CDT
631    Tag: blume-20040511-exports
632    Description:
633    
634    As per request by Adam Chlipala <adam@hcoop.net>, extended various
635    export lists in compiler-related .cm-files.
636    
637    ----------------------------------------------------------------------
638    Name: Matthias Blume (blume (at) tti - c (dot) org)
639    Date: 2004/05/11 11:35:00 CDT
640    Tag: blume-20040511-allsource
641    Description:
642    
643    The installer now honors the "src-smlnj" target again, although its meaning
644    has changed from "all sources required for the compiler" to "all sources
645    the installer knows about".  In other words, if you enable "src-smlnj"
646    in the "targets" file, then the installer will pull in sources for
647    everything.  (Notice that this refers to source code only.  Compiled
648    code is still only installed for modules that were requested explicitly
649    or which are required for other modules that were requested explicitly.)
650    
651    ----------------------------------------------------------------------
652    Name: Matthias Blume (blume (at) tti - c (dot) org)
653    Date: 2004/04/23 17:40:00 CDT
654    Tag: blume-20040423-ieee-scan
655    Description:
656    
657    Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
658    in the exponent calculation we get INF or ZERO (depending on the mantissa
659    and the sign of the exponent).
660    
661    ----------------------------------------------------------------------
662    Name: Matthias Blume (blume (at) tti - c (dot) org)
663    Date: 2004/04/23 10:40:00 CDT
664    Tag: blume-20040423-ml-build
665    Description:
666    
667    The ml-build script now terminates with a non-0 status when something
668    goes wrong.
669    
670    ----------------------------------------------------------------------
671    Name: Matthias Blume (blume (at) tti - c (dot) org)
672    Date: 2004/04/22 16:35:00 CDT
673    Tag: blume-20040422-Option
674    Description:
675    
676    Made exception Option to be the same as exception Option.Option
677    (as it should be).
678    
679    ----------------------------------------------------------------------
680    Name: Allen Leung (leunga (at) reservoir (dot) com)
681    Date: 2004/03/19 14:40:00 EST
682    Tag: leunga-20040319-cygwin-nlffi
683    Description:
684    
685    Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
686    of SML/NJ.  The problem is that
687    
688       lib = dlopen(NULL, ...)
689       f   = dlsym(lib, "malloc");
690    
691    does not work on Windows unless we explicitly export symbols
692    such as 'malloc' during linking.  We fixed this by explicitly
693    exporting the required symbols with the magic gcc incantation:
694    
695        -Wl,--export-all cygwin.def
696    
697    where cygwin.def is a file containing all the symbols that
698    we wish to export.
699    
700    I suspect this is a Windows problem and we'll have to
701    do the same (somehow with windows compilers) when
702    we build the native win32 version with the system
703    calls LoadLibrary/GetProcAddress.
704    
705    ----------------------------------------------------------------------
706    Name: Matthias Blume (blume (at) tti - c (dot) org)
707    Date: 2004/03/04 16:35:00 CST
708    Tag: blume-20040304-intinf-fmt
709    Description:
710    
711    Fixed problem with IntInf.fmt (sign would show up on the right instead
712    of on the left for BIN, OCT, and HEX).
713    
714    ----------------------------------------------------------------------
715    Name: Matthias Blume (blume (at) tti - c (dot) org)
716    Date: 2004/03/04 11:25:00 CST
717    Tag: blume-20040304-symlinks
718    Description:
719    
720    Fixed problem with installer script (unix only) where bin/ml-yacc and
721    friends pointed (via symlinks) to absolute locations instead of just
722    .run-sml.  This was reported by Vesa A Norrman.
723    
724    ----------------------------------------------------------------------
725    Name: Matthias Blume (blume (at) tti - c (dot) org)
726    Date: 2004/02/13 14:50:00 CST
727    Tag: Release_110_45
728    Description:
729    
730    New working version (110.45). New bootfiles.
731    
732    ----------------------------------------------------------------------
733    Name: Matthias Blume (blume (at) tti - c (dot) org)
734    Date: 2004/01/26 15:15:15 CST
735    Tag: blume-20040126-toplevel
736    Description:
737    
738    Improved handling of exceptions at the interactive toplevel.
739    
740    ----------------------------------------------------------------------
741    Name: Matthias Blume (blume (at) tti - c (dot) org)
742    Date: 2004/01/26 11:25:00
743    Tag: blume-20040126-app
744    Description:
745    
746    Type of top-level "app" corrected.
747    Added code for setting vp_limitPtrMask to Win32-specific runtime.
748    
749    ----------------------------------------------------------------------
750    Name: Matthias Blume (blume (at) tti - c (dot) org)
751    Date: 2003/11/18 17:10 CST
752    Tag: blume-20031118-basis-fiddle
753    Description:
754    
755    - changed Timer interface to what might become the spec
756    - POSIX_FLAGS -> BIT_FLAGS according to spec
757    - some other minor discrepancies wrt. spec eliminated
758    
759    ----------------------------------------------------------------------
760    Name: Matthias Blume (blume (at) tti - c (dot) org)
761    Date: 2003/11/06 12:00:00 CST
762    Tag: Release_110_44
763    Description:
764    
765    New working version (110.44). New bootfiles.
766    
767    ----------------------------------------------------------------------
768    Name: Matthias Blume (blume (at) tti - c (dot) org)
769    Date: 2003/11/04 11:50:00 CST
770    Tag: blume-20031104-move-libraries
771    Description:
772    
773    Eliminated the "dont_move_libraries" directive in config/targets.
774    (The mechanism was broken and could not be fixed easily.  Moreover,
775    there does not seem to be any reason not to move all libraries into
776    lib during installation.  I originally implemented this directive as a
777    backward-compatibility feature when I first introduced the new CM.
778    Now that things have been stable for a long time and going back to the
779    old CM is not an option, there is no reason to keep it around.)
780    
781    ----------------------------------------------------------------------
782    Name: Matthias Blume (blume (at) tti - c (dot) org)
783    Date: 2003/11/03 16:00:00 CST
784    Tag: blume-20031103-installdir
785    Description:
786    
787    Made installer honor INSTALLDIR variable again.  (Thanks to Chris
788    Richards for pointing out the problem and providing the solution.)
789    
790    ----------------------------------------------------------------------
791    Name: Matthias Blume (blume (at) tti - c (dot) org)
792    Date: 2003/10/01 17:05:00 CDT
793    Tag: blume-20031001-lal-mlrisc
794    Description:
795    
796    MLRISC bug fix from Lal.
797    
798    ----------------------------------------------------------------------
799    Name: Matthias Blume (blume (at) tti - c (dot) org)
800    Date: 2003/09/30 16:10:00 CDT
801    Tag: blume-20030930-primio-bat
802    Description:
803    
804    1. Added openVector, nullRd, and nullWr to PRIM_IO.
805    2. Improved .bat files (for Win32 port) to make things work under Win95.
806       (thanks to Aaron S. Hawley for this one)
807    
808    ----------------------------------------------------------------------
809    Name: Matthias Blume (blume (at) tti - c (dot) org)
810    Date: 2003/09/26 16:05:00 CDT
811    Tag: blume-20030926-wrappriv
812    Description:
813    
814    Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
815    
816    ----------------------------------------------------------------------
817    Name: Matthias Blume (blume (at) tti - c (dot) org)
818    Date: 2003/09/26 15:00:00 CDT
819    Tag: blume-20030926-110_43_3
820    Description:
821    
822    - additional cleanup
823    - version number bump, NEW BOOTFILES
824    
825    ----------------------------------------------------------------------
826    Name: Matthias Blume (blume (at) tti - c (dot) org)
827    Date: 2003/09/26 12:00:00 CDT
828    Tag: blume-20030926-ppautoload
829    Description:
830    
831    I modified the read-eval-print loop so that the autoloader gets
832    invoked whenever the prettyprinter tries to look up a symbol that
833    is not currently defined in the toplevel environment but which
834    appears in CM's autoload registry.  As a result, we see far fewer of
835    those ?.Foo.Bar.xxx names in the prettyprinter's output.
836    
837    In addition to this I tried to clean up some pieces of the Basis
838    implementation (e.g., Socket, Word8Array) in order to prevent other
839    instances of these ?.Foo.Bar.xxx names from being printed.
840    
841    The mechanism that picks names for types still needs some work, though.
842    (Right now it seems that if there is a type A.t which is defined to
843    be B.u, but B is unavailable at toplevel, then A.t gets printed as
844    "?.B.u" although the perhaps more sensible solution would be to use
845    "A.t" in this case.  In other words, the prettyprinter should follow
846    a chain of DEFtycs not farther than there are corresponding toplevel
847    names in the current environment.)
848    
849    ----------------------------------------------------------------------
850    Name: Matthias Blume (blume (at) tti - c (dot) org)
851    Date: 2003/09/24 16:31:00 CDT
852    Tag: blume-20030924-installer
853    Description:
854    
855    Another installer tweak:  All the ML code for the installer is now
856    compiled during CMB.make and put into a little library called
857    $smlnj/installer.cm.  The installation then simply invokes
858    
859       sml -m $smlnj/installer.cm
860    
861    and everything happens automagically.
862    
863    Win32:  ML code senses value of environment variable SMLNJ_HOME.
864    Unix:   ML code senses values of environment variables ROOT, CONFIGDIR,
865            and BINDIR.
866    
867    The new scheme guarantees that the ML code responsible for the installation
868    is in sync with the APIs of the main system.  Also, the installer is
869    somewhat faster because the installer script is precompiled.
870    
871    ----------------------------------------------------------------------
872    Name: Matthias Blume (blume (at) tti - c (dot) org)
873    Date: 2003/09/24 15:35:00 CDT
874    Tag: blume-20030924-synsock
875    Description:
876    
877    Added a signature SYNCHRONOUS_SOCKET to basis.cm.  This is like SOCKET
878    but excludes all non-blocking operations.  Defined SOCKET (in Basis)
879    and CML_SOCKET in terms of SYNCHRONOUS_SOCKET.  Removed superfluous
880    implementations of non-blocking operations from CML's Socket
881    structure.
882    
883    ----------------------------------------------------------------------
884    Name: Matthias Blume (blume (at) tti - c (dot) org)
885    Date: 2003/09/24 15:10:05 CDT
886    Tag: blume-20030924-sockets
887    Description:
888    
889    1. Fixed SOCKET API and implementation to match Basis spec.
890       This required changing the internal representation of sockets to one
891       that remembers (for each socket file descriptor) whether it is currently
892       blocking or non-blocking.  This state is maintained lazily (i.e., a system
893       call is made only if the state actually needs to change).
894    
895    2. OS-specific details of sockets were moved into separate files, thus
896       making it possible to unify the bulk of the socket implementations
897       between Unix and Win32.
898    
899    3. CML's socket API changed accordingly.
900       (Note that we need to remove non-blocking functions from this API
901       since they are redundant in the case of CML!)
902    
903    4. CML's socket implementation now makes use of non-blocking functions
904       provided by Basis, thus removing all OS-dependent code from this part
905       of CML.
906    
907    5. Changed Real64.precision from 52 to 53.  Minor cleanup in Real64 code.
908    
909    ----------------------------------------------------------------------
910    Name: Matthias Blume (blume (at) tti - c (dot) org)
911    Date: 2003/09/22 12:10:00 CDT
912    Tag: blume-20030922-110_43_2
913    Description:
914    
915    Made a new interim version and bootfiles for developer's bootstrapping
916    convenience.
917    
918       110.43.2 -- NEW BOOTFILES
919    
920    ----------------------------------------------------------------------
921    Name: Matthias Blume (blume (at) tti - c (dot) org)
922    Date: 2003/09/19 15:55:00 CDT
923    Tag: blume-20030919-cmdir
924    Description:
925    
926    1. new-install.sh -> install.sh
927    2. changed default CM "metadata" directory name to ".cm" (instead of "CM")
928    3. tweaked installer so that another name instead of .cm can be chosen
929       at install time (by setting the CM_DIR_ARC environment variable
930       during installation); once installation is complete, the name is
931       fixed
932    
933    ----------------------------------------------------------------------
934    Name: Matthias Blume (blume (at) tti - c (dot) org)
935    Date: 2003/09/18 16:00:00 CDT
936    Tag: blume-20030918-110_43_1
937    Description:
938    
939    Made a new interim version and bootfiles for developer's bootstrapping
940    convenience.
941    
942       110.43.1 -- NEW BOOTFILES
943    
944    ----------------------------------------------------------------------
945    Name: Matthias Blume (blume (at) tti - c (dot) org)
946    Date: 2003/09/18 15:20:00 CDT
947    Tag: blume-20030918-misc
948    Description:
949    
950    1. Exported fractionsPerSecond etc. from TimeImp (but not from Time as
951       this seems to be controversial at the moment) and used those in
952       Posix.ProcEnv.times.
953    
954    2. Added Time.{from,to}Nanoseconds to Time.
955    
956    3. Improved Real.{from,to}LargeInt by avoiding needless calculations.
957       For example, fromLargeInt never needs to look at more than 3 "big
958       digits" to get its 53 bits of precision.
959    
960    ----------------------------------------------------------------------
961    Name: Matthias Blume (blume (at) tti - c (dot) org)
962    Date: 2003/09/17 16:30:00 CDT
963    Tag: blume-20030917-real32-slices
964    Description:
965    
966    Added an entry to the primitive environment
967    (compiler/Semant/statenv/prim.sml) for int32->real64 conversion and
968    added code to compiler/CodeGen/main/mlriscGen.sml to implement it.
969    
970    Removed some of the "magic" constants in real64.sml and replaced them
971    with code that generates these values from their corresponding
972    integer counterparts.
973    
974    Made all(?) the slice-related changes to the Basis and made everything
975    compile again...
976    
977    ----------------------------------------------------------------------
978    Name: Matthias Blume (blume (at) tti - c (dot) org)
979    Date: 2003/09/15 17:45:00 CDT
980    Tag: blume-20030915-rbase
981    Description:
982    
983    Fixed bug in Real.fromLargeInt.
984    
985    ----------------------------------------------------------------------
986    Name: Matthias Blume (blume (at) tti - c (dot) org)
987    Date: 2003/09/13 18:11:00 CDT
988    Tag: blume-20030913-libinstall
989    Description:
990    
991    Minor bugfix in config/libinstall (set anchor with path to
992    standalone tool after installing it, otherwise libraries that
993    need ml-lex or ml-yacc won't compile the first time the installer
994    runs).
995    
996    ----------------------------------------------------------------------
997    Name: Matthias Blume (blume (at) tti - c (dot) org)
998    Date: 2003/09/12 11:45:00 CDT
999    Tag: blume-20030912-various
1000    Description:
1001    
1002     - fixed bug in Real.toLargeInt
1003     - fixed bug in Posix.ProcEnv.times
1004     - changed inputLine functions to return an option
1005     - minor installer improvements / bugfixes
1006     - changed default @SMLalloc parameter for x86/celeron to 64k
1007    
1008    ----------------------------------------------------------------------
1009    Name: Matthias Blume (blume (at) tti - c (dot) org)
1010    Date: 2003/09/09 22:00:00 CDT
1011    Tag: Release_110_43
1012    Description:
1013    
1014        New working release 110.43.  New bootfiles.
1015    
1016    ----------------------------------------------------------------------
1017    Name: Matthias Blume (blume (at) tti - c (dot) org)
1018    Date: 2003/09/09 19:20:00 CDT
1019    Tag: blume-20030909-installer
1020    Description:
1021    
1022    Rewrote large parts of config/install.sh in SML (config/libinstall.sml).
1023    Modified config/install.bat to take advantage of it.  Also modified
1024    config/install.sh (and called it config/new-install.sh) to take advantage
1025    of it on Unix systems.  (The SML code is (supposed to be) platform-
1026    independent.)
1027    
1028    The installer can now install everything under Win32
1029    as well as under *nix as long as it compiles.
1030    
1031    Other changes:
1032    
1033      - made CML compile again under Win32
1034      - made eXene compile under Win32 (by providing a fake structure UnixSock
1035        and by using OS.Process.getEnv instead of Posix.ProcEnv.getenv)
1036      - fixed a bug in nowhere: it assumed that type OS.Process.status is the
1037        same as type int;  under Win32 it isn't
1038      - fixed some slice-related problems in the win32-specific parts of CML
1039      - added a functor argument "sameVol" to os-path-fn.sml in the Basis
1040        (under Win32, the volume name is case-insensitive, and the
1041        OS.Path code compares volume names for equality)
1042    
1043    ----------------------------------------------------------------------
1044    Name: Matthias Blume (blume (at) tti - c (dot) org)
1045    Date: 2003/09/08 11:55:00 CDT
1046    Tag: blume-20030908-fullpath
1047    Description:
1048    
1049    Made Win32 version of OS.FileSys.fullPath return current directory
1050    when given an empty string.  This is what the spec says, and incidentally,
1051    CM depends on it.  (CM otherwise goes into an infinite loop in certain
1052    cases when presented with the name of a non-existing .cm file.)
1053    
1054    ----------------------------------------------------------------------
1055    Name: Matthias Blume (blume (at) tti - c (dot) org)
1056    Date: 2003/09/04 16:30:00 CDT
1057    Tag: blume-20030905-slices-etc
1058    Description:
1059    
1060      1. Changed interface to vectors and arrays in Basis to match
1061         (draft) Basis spec.
1062      2. Added signatures and implementations of slices according to
1063         Basis spec.
1064      3. Edited source code throughout the system to make it compile again
1065         under 1. and 2.  (In some cases code had to be added to have it
1066         match the new signatures.)
1067      4. MLRISC should be backward-compatible: the copies of the originals
1068         of files that needed to change under 3. were retained, the .cm files
1069         check the compiler version number and use old versions when
1070         appropriate.
1071      5. Changed type of OS.FileSys.readDir and Posix.FileSys.readdir to
1072         dirstream -> string option (in accordance with Basis spec).
1073      6. When generating code that counts lines, ml-lex used function
1074         CharVector.foldli, taking advantage of its old interface.
1075         This has been replaced with the corresponding code from
1076         CharVectorSlice.  (html-lex must be re-lexed!)
1077      7. BitArray in smlnj-lib/Util has been extended/modified to match the
1078         new MONO_ARRAY signature.  (Do we need BitArraySlice?)
1079      8. Removed temporary additions (fromInternal, toInternal) from the
1080         (now obsolete) IntInf in smlnj-lib/Util.
1081      9. Cleaned up structure Byte.
1082     10. Added localOffset, scan, and fromString to Date (according to spec).
1083         Cleaned/corrected implementation of Date.
1084         (Still need to check for correctness; implement better canonicalizeDate.)
1085     11. Added "scan" to signature IEEE_REAL.
1086     12. Some improvements to IntInf [in particular: efficiency-hack for
1087         mod and rem when second operand is 2 (for parity checks).]
1088     13. Changed representation of type Time.time, using a single IntInf.int
1089         value counting microseconds.  This considerably simplified the
1090         implementation of structure Time.  We now support negative time
1091         values; scan and fromString handle signs.
1092     14. Functor PrimIO now takes two additional arguments (VectorSlice and
1093         ArraySlice).
1094    
1095    ----------------------------------------------------------------------
1096    Name: Matthias Blume (blume (at) tti - c (dot) org)
1097    Date: 2003/08/28 17:00:00 CDT
1098    Tag: blume-20030828-intinf
1099    Description:
1100    
1101    This is a major update which comes with a version number bump
1102    (110.42.99 -- yes, we are really close to 110.43 :-), NEW BOOTFILES,
1103    and an implementation of IntInf in the Basis.
1104    
1105    There are a fairly large number of related changes and updates throughout
1106    the system:
1107    
1108    Basis:
1109            - Implemented IntInf.
1110            - Made LargeInt a projection of IntInf (by filtering through INTEGER).
1111            - Added some missing Real64 operations, most notably Real.toLargeInt.
1112            - Added FixedInt as a synonym for Int32.
1113    
1114    compiler:
1115            * Added support for a built-in intinf type.
1116              - literals
1117              - pattern matching
1118              - conversion shortcuts (Int32.fromLarge o Int.toLarge etc.)
1119              - overloading on literals and operations
1120    
1121            This required adding a primitive type intinf, some additional
1122            primops, and implementations for several non-trivial intinf
1123            operations in Core.  (The intinf type is completely abstract
1124            to the compiler; all operations get delegated back to the Core.)
1125    
1126            * Intinf equality is handled by polyequal.  However, the compiler
1127            does not print its usual warning in this case (since polyequal
1128            is the right thing to do there).
1129    
1130            * Improved the organization of structure InlineT.
1131    
1132            * A word about conversion primops:
1133            If conversions involving intinf do not cancel out during
1134            CPS contract, then the compiler must insert calls to Core functions.
1135            Since all core access must be resolved already during the FLINT
1136            translate phase, it would be too late a the time of CPS contract
1137            to add new Core calls.  For this reason, conversion primops
1138            for intinf carry two arguments:  1. the numeric argument that
1139            they are supposed to convert, and 2. the Core function that
1140            can help with this conversion if necessary.  If CPS contract
1141            eliminates a primop, then the associated Core function becomes
1142            dead and goes away.  Intinf conversion primops that do not get
1143            eliminated by CPS contract get rewritten into calls of their
1144            core functions by a separate, new phase.
1145    
1146    interactive system:
1147            - Control.Print.intinfDepth controls max length of intinf constants
1148            being printed. (Analogous to Control.Print.stringDepth.)
1149            - Cleanup in printutil and pputil: got rid of unused stuff and
1150            duplicates; replaced some of the code with code that makes better
1151            use of library functionality.
1152    
1153    CM:
1154            Bugfix: parse-errors in init group (system/smlnj/init/init.cmi)
1155            are no longer silent.
1156    
1157    CKIT:
1158            Fixed mismatched uses of Int32 and LargeInt.  I always decided
1159            in favor of LargeInt -- which is now the same as IntInf.
1160            CKIT-knowledgable people should check whether this is what's
1161            intended and otherwise change things back to using Int32 or
1162            FixedInt.
1163    
1164    Throughout the code:
1165            Started using IntInf.int literals and built-in operations
1166            (e.g., comparison with 0) where this seems appropriate.
1167    
1168    
1169    ----------------------------------------------------------------------
1170    Name: Dave MacQueen (dbm@cs.uchicago.edu)
1171    Date: 2003/08/13 11:36:00 CDT
1172    Tag: dbm-20030813-mcz-merge1
1173    Description:
1174    
1175    Merging changes from the mcz-branch development branch into trunk.
1176    These changes involve replacement of the emulated old prettyprinter
1177    interface with direct use of the SML/NJ Lib PP library, and fixing
1178    of a couple of bugs (895, 1186) relating to error messages.  A new
1179    prettyprinter for ast datatypes (Elaborator/print/ppast.{sig,sml})
1180    has been added.
1181    
1182    ----------------------------------------------------------------------
1183    Name: Matthias Blume (blume (at) tti - c (dot) org)
1184    Date: 2003/08/11 15:45:00 CDT
1185    Tag: blume-20030811-windows
1186    Description:
1187    
1188    Version number bumped to 110.42.9.  NEW BOOTFILES!!!
1189    
1190        http://smlnj.cs.uchicago.edu/dist/working/110.42.9/
1191    
1192    This patch restores SML/NJ's ability to run under win32.  There are a
1193    number of changes, including fixes for several bugs that had gone
1194    unnoticed until now:
1195    
1196      - uname "CYGWIN_NT*" is recognized as win32 (This is relevant only when
1197        trying to run the win32 version from within cygwin.)
1198    
1199      - There are a number of simple .bat scripts that substitute for their
1200        corresponding Unix shell-scripts.  (See below.)
1201    
1202      - The internals of ml-build have been modified slightly.  The main
1203        difference is that instead of calling ".link-sml" (or link-sml.bat)
1204        using OS.Process.system, the ML process delegates this task back
1205        to the script.  Otherwise problems arise in mixed environments such
1206        as Cygwin where scripts look and work like Unix scripts, but
1207        where OS.Process.system cannot run them.
1208    
1209      - In CM, the srcpath pickler used native pathname syntax -- which
1210        is incorrect in the case of cross-compilation.  The new pickle format
1211        is independent of platform-specific naming conventions.
1212    
1213      - Path configuration files (such as lib/pathconfig) can now choose
1214        between native and standard syntax.  Placing a line of the form
1215    
1216            standard!
1217    
1218        into the file causes all subsequent paths to be interpreted using
1219        CM standard pathname syntax (= Unix conventions); a line
1220    
1221            native!
1222    
1223        switches back to native style.  This was needed so that
1224        path config files can be written portably, see src/system/pathconfig.
1225    
1226      - Runtime system:
1227    
1228          - win32-filesys.c:  get_file_time and set_file_time now
1229            access modification time, not creation time.
1230    
1231          - I/O code made aware of new array representation.
1232    
1233          - Bug fixes in X86.prim.masm.
1234    
1235       - src/system/makeml made aware of win32. (For use under cygwin
1236            and other Unix-environments for windows.)
1237    
1238       - In Basis, fixed off-by-one error in win32-io.sml (function vecF)
1239         which caused BinIO.inputAll to fail consistently.
1240    
1241    .bat scripts:
1242    
1243       Windows .bat scripts assume that SMLNJ_HOME is defined.
1244    
1245       - sml.bat, ml-yacc.bat, ml-lex.bat:  Driver scripts for standalone
1246         applications (sml, ml-yacc, ml-lex).
1247       - ml-build.bat: analogous to ml-build.
1248       - config\install.bat:  Analogous to config/install.sh.  This requires
1249         that SMLNJ_HOME is set and that Microsoft Visual C is ready to use.
1250         (nmake etc. must be on the path, and vcvars32 must have been run.)
1251         Moreover, sources for ml-lex and ml-yacc need to exist under src,
1252         and the bootfile hierarchy must have been unpacked under
1253         sml.boot.x86-win32.
1254         The script is very primitive and does a poor job at error checking.
1255         It only installs the base system, ml-lex, and ml-yacc.  No other
1256         libraries are being installed (i.e., you get only those that
1257         are part of the compiler.)
1258       - link-sml.bat:  analogous to .link-sml, but not currently used
1259    
1260    Unrelated bug fixes:
1261    
1262      - ml-nlffigen now exports structures ST_* corresponding to incomplete
1263        types.
1264      - Added getDevice to PP/src/pp-debug-fn.sml.  (Would not compile
1265        otherwise.)
1266    
1267    ----------------------------------------------------------------------
1268    Name: Dave MacQueen (macqueen@cs.uchicago.edu)
1269    Date: 2003/06/17
1270    Tag: macqueen-20030617-bug895
1271    Description:
1272    
1273    Modified compiler/Elaborator/print/pptype.sml to fix bug 895.
1274    Tag will be used for new development branch (mcz-branch) for
1275    use by MacQueen, (Lucasz) Zairek, and (George) Cao at uchicago.
1276    
1277    ----------------------------------------------------------------------
1278    Name: Matthias Blume (blume (at) tti - c (dot) org)
1279    Date: 2003/05/27 16:55:00 CDT
1280    Tag: blume-20030527-polyeq
1281    Description:
1282    
1283    Tried to eliminated most cases of polymorphic equality.
1284    
1285    ----------------------------------------------------------------------
1286    Name: Matthias Blume (blume (at) tti - c (dot) org)
1287    Date: 2003/05/21 17:45:00 CDT
1288    Tag: blume-20030517-complete
1289    Description:
1290    
1291    Two changes:
1292    
1293      1. Added a flag for controlling whether non-exhaustive bindings will
1294         be treated as errors (default is false).
1295      2. Cleaned up the *entire* source tree so that CMB.make goes through
1296         without a single non-exhaustive match- or bind warning.
1297    
1298    ----------------------------------------------------------------------
1299    Name: Matthias Blume (blume (at) tti - c (dot) org)
1300    Date: 2003/05/17 10:20:00 CDT
1301    Tag: blume-20030517-absyn
1302    Description:
1303    
1304    1. Added cases for IF, WHILE, ANDALSO, and ORELSE to Absyn.
1305    
1306       This mainly affects the quality of error messages.  However, some
1307       of the code is now more straightforward than before. (Treatment of
1308       the above four constructs in translate.sml is much simpler than
1309       the "macro-expansion" that was going on before.  Plus, the mach-
1310       compiler no longer gets invoked just to be able to compile an
1311       if-expression.)
1312    
1313    2. The ErrorMsg.Error exception is now caught and absorbed by the
1314       interactive loop.
1315    
1316    ----------------------------------------------------------------------
1317    Name: Allen Leung
1318    Date: 2003/05/16 13:05:00 CDT
1319    Tag: leunga-20030516-cygwin-runtime
1320    Description:
1321    
1322        Ported the runtime system to cygwin, which uses the unix
1323    x86-unix bin files.  Missing/buggy features:
1324    
1325       o getnetbyname, getnetbyaddr: these functions seem to be missing in
1326         the Cygwin library.
1327       o Ctrl-C handling may be flaky.
1328       o Windows system calls and Windows I/O are not supported.
1329    
1330       A new set of binfiles is located at:
1331    
1332         http://www.dorsai.org/~leunga/boot.x86-unix.tgz
1333    
1334       This is only needed for bootstrapping the cygwin version of smlnj.
1335       Other x86 versions can use the existing binfiles.
1336    
1337    ----------------------------------------------------------------------
1338    Name: Matthias Blume
1339    Date: 2003/04/08 15:42:00 CDT
1340    Tag: blume-20030408-listpair
1341    Description:
1342    
1343    1. Added a target 'mlrisc' to installer.
1344    
1345    2. Added missing elements to structure ListPair.
1346    
1347    ----------------------------------------------------------------------
1348    Name: Allen Leung
1349    Date: 2003/01/07 10:40:00 EST
1350    Tag: leunga-20030107-int-rem
1351    Description:
1352    
1353    Fixed a bug in Int.rem(x,y) where y is a power of 2 on x86.
1354    The arguments to the SUBL instruction were swapped.
1355    
1356    ----------------------------------------------------------------------
1357    Name: Matthias Blume
1358    Date: 2002/12/12 16:25:00 EST
1359    Tag: blume-20021212-risc-ra
1360    Description:
1361    
1362    Fixed a serious bug in the rewrite code for FP spilling/reloading that
1363    sent the RA into an infinite loop when floating point registers get
1364    spilled.  (Because of this bug, e.g., nucleic stopped compiling between
1365    110.37 and 110.38.)
1366    There was another set of potential problems related to the handling of
1367    MLRISC annotations (but those did not yet cause real problems, apparently).
1368    
1369    ----------------------------------------------------------------------
1370    Name: Matthias Blume
1371    Date: 2002/12/06 22:40:00 EST
1372    Tag: blume-20021206-cm-fileid
1373    Description:
1374    
1375    Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
1376    This fixes the problem of CM getting confused by files that suddenly
1377    change their identity (e.g., by getting unlinked and recreated by some
1378    text editor such as vi).  There might be a better/cheaper/cleaner way
1379    of doing this, but for now this will have to do.
1380    
1381    ----------------------------------------------------------------------
1382    Name: Matthias Blume
1383    Date: 2002/10/28 09:50:00 EST
1384    Tag: blume-20021028-typecheck
1385    Description:
1386    
1387    Exported structure Typecheck from $smlnj/viscomp/core.cm.
1388    
1389    ----------------------------------------------------------------------
1390    Name: Matthias Blume
1391    Date: 2002/10/17 09:10:00 EDT
1392    Tag: Release_110_42
1393    Description:
1394    
1395    In good old tradition, there has been a slight hiccup so that we have
1396    to patch 110.42 after the fact.   The old release tag has been replaced
1397    (see below).
1398    
1399    The change solves a problem with two competing approaches the
1400    configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
1401    each other's way.
1402    
1403    This change only affects the runtime system code and the installer script.
1404    (No new bootfiles.)
1405    
1406    ----------------------------------------------------------------------
1407    Name: Matthias Blume
1408    Date: 2002/10/16 12:00:00 EDT
1409    Tag: Release_110_42_removed
1410    Description:
1411    
1412    New working release.  New bootfiles.
1413    
1414    ----------------------------------------------------------------------
1415    Name: Matthias Blume
1416    Date: 2002/10/10 13:10:00 EDT
1417    Tag: blume-20021010-ppc-divs
1418    Description:
1419    
1420    The mltree operator DIVS must be implemented with an overflow check on
1421    the PPC because the hardware indicates divide-by-zero using "overflow" as
1422    well.
1423    
1424    ----------------------------------------------------------------------
1425    Name: Matthias Blume
1426    Date: 2002/07/23 11:45:00
1427    Tag: blume-20020723-smlnj-home
1428    Description:
1429    
1430    Sml now senses the SMLNJ_HOME environment variable.  If this is set,
1431    then the bin dir is assumed to be in $SMLNJ_HOME/bin and (unless
1432    CM_PATHCONFIG is also set), the path configuration file is assumed
1433    to be in $SMLNJ_HOME/lib/pathconfig.  This way one can easily move
1434    the entire tree to some other place and everything will "just work".
1435    
1436    (Companion commands such as ml-build and ml-makedepend also sense this
1437    variable.)
1438    
1439    ----------------------------------------------------------------------
1440    Name: Matthias Blume
1441    Date: 2002/07/12 21:19:00 EDT
1442    Tag: blume-20020712-liveness
1443    Description:
1444    
1445    Exported two useful "step" functions from liveness module (MLRISC).
1446    
1447    ----------------------------------------------------------------------
1448    Name: Matthias Blume
1449    Date: 2002/07/05 16:00 EDT
1450    Tag: Release_110_41
1451    Description:
1452    
1453    New working release.  New bootfiles.
1454    
1455    ----------------------------------------------------------------------
1456    Name: Matthias Blume
1457    Date: 2002/07/05 10:25:00 EDT
1458    Tag: blume-20020705-btimp
1459    Description:
1460    
1461    Exported structure BTImp from $smlnj/viscomp/debugprof.cm so that
1462    other clients can set up backtracing support.
1463    
1464    ----------------------------------------------------------------------
1465    Name: Matthias Blume
1466    Date: 2002/06/25 17:23:00 EDT
1467    Tag: blume-20020625-fpmax
1468    Description:
1469    
1470    Fixed a bug in translation of INLMAX (and INLMIN) for the floating-point
1471    case.  (The sense of the isNaN test was reversed -- which made min and
1472    max always return their first argument.)
1473    
1474    ----------------------------------------------------------------------
1475    Name: Matthias Blume
1476    Date: 2002/06/11
1477    Tag: blume-20020611-unixpath
1478    Description:
1479    
1480    Back-ported OS.Path.{from,to}UnixPath from idlbasis-devel branch.
1481    
1482    ----------------------------------------------------------------------
1483    Name: Matthias Blume
1484    Date: 2002/06/10 16:35:00 EDT
1485    Tag: blume-20020610-ieeereal
1486    Description:
1487    
1488    I back-ported my implementation of IEEEReal.fromString from the
1489    idlbasis-devel branch so that we can test it.
1490    
1491    Another small change is that ppDec tries to give more information
1492    than just "<sig>" in the case of functors.  However, this code is
1493    broken in some mysterious way if the functor's body's signature
1494    has not been declared by ascription but gets inferred from the
1495    implementation.  This needs fixing...
1496    
1497    ----------------------------------------------------------------------
1498    Name: Matthias Blume
1499    Date: 2002/05/31
1500    Tag: blume-20020531-btrace-mode
1501    Description:
1502    
1503    Resurrected SMLofNJ.Internals.BTrace.mode.  (It accidentally fell by
1504    the wayside when I switched over to using Controls everywhere.)
1505    
1506    ----------------------------------------------------------------------
1507    Name: Lal George
1508    Date: 2002/05/23 12:21:40 EDT
1509    Tag: george-20020523-visual-labels
1510    Description:
1511    
1512    Labels are now displayed in the graphical output to make
1513    the fall-through and target blocks obvious.
1514    
1515    ----------------------------------------------------------------------
1516    Name: Matthias Blume
1517    Date: 2002/05/22 11:03:00 EDT
1518    Tag: blume-20020522-shrink
1519    Description:
1520    
1521    John tweaked yesterday's fix for 1131 to handle an out-of-memory
1522    situation that comes up when allocating huge arrays.
1523    
1524    ----------------------------------------------------------------------
1525    Name: Matthias Blume
1526    Date: 2002/05/21 16:00:00 EDT
1527    Tag: Release_110_40
1528    Description:
1529    
1530    New working release (110.40).  New bootfiles.
1531    
1532    [Also: John Reppy fixed GC bug 1131.]
1533    
1534    ----------------------------------------------------------------------
1535    Name: Matthias Blume
1536    Date: 2002/05/21 12:35:00 EDT
1537    Tag: blume-20020521-cmdoc
1538    Description:
1539    
1540    CM documentation update.
1541    
1542    ----------------------------------------------------------------------
1543    Name: Matthias Blume
1544    Date: 2002/05/21 10:55:00 EDT
1545    Tag: blume-20020521-misc
1546    Description:
1547    
1548    - John tweaked runtime to be silent on heap export (except when
1549      GC messages are on).
1550    - I added a few more things (cross-compiling versions of CMB) to
1551      config/preloads (as suggestions).
1552    
1553    ----------------------------------------------------------------------
1554    Name: Matthias Blume
1555    Date: 2002/05/20 22:25:00 EDT
1556    Tag: blume-20020520-controls
1557    Description:
1558    
1559    - Added ControlUtil structure to control-lib.cm.
1560    - Use it throughout.
1561    - Used Controls facility to define MLRISC controls (as opposed to
1562      registering MLRISC control ref cells with Controls after the fact)
1563    - Fixed messed-up controls priorities.
1564    
1565    * Removed again all the stuff from config/preloads that one wouldn't
1566      be able to preload at the time the initial heap image is built.
1567      (Many libraries, e.g., CML, do not exist yet at this time.  The
1568       only libraries that can be preloaded via config/preloads are those
1569       that come bundled with the bootfiles.)
1570    
1571    ----------------------------------------------------------------------
1572    Name: Matthias Blume
1573    Date: 2002/05/20 10:59:00 EDT
1574    Tag: blume-20020520-preloads
1575    Description:
1576    
1577    Added a lot of commented-out suggestions for things to be included
1578    in config/preloads.
1579    
1580    ----------------------------------------------------------------------
1581    Name: Allen Leung
1582    Date: 2002/05/18 14:20:00 EDT
1583    Tag: leunga-20020518-mdl
1584    Description:
1585    
1586    o Made the mdl tool stuff compile and run again.
1587    o I've disabled all the stuff that depends on RTL specifications; they
1588      are all badly broken anyway.
1589    
1590    ----------------------------------------------------------------------
1591    Name: Matthias Blume
1592    Date: 2002/05/17 16:49:00 EDT
1593    Tag: blume-20020517-controls
1594    Description:
1595    
1596    0. John Reppy made several modifications to the SML/NJ library.
1597       In particular, there is a shiny new controls-lib.cm.
1598    
1599    1. Pushed new controls interface through compiler so that everything
1600       compiles again.
1601    
1602    2. Added FormatComb and FORMAT_COMB to the CML version of the
1603       SML/NJ library (so that CML compiles again).
1604    
1605    3. Modified init scripts because XXX_DEFAULT environment variables
1606       are no longer with us.  (Boot-time initialization is now done
1607       using the same environment variables that are also used for
1608       startup-time initialization of controls.)
1609    
1610    ----------------------------------------------------------------------
1611    Name: Lal George
1612    Date: 2002/05/15 09:20:10 EDT
1613    Tag: george-20020515-pseudo-op-decls
1614    Description:
1615    
1616            All pseudo-ops emitted before the first segment declaration
1617    such as TEXT, DATA, and BSS directives are assumed to be global
1618    declarations and are emitted first in the assembly file. This is
1619    useful in a number of situations where one has pseudo-ops that are not
1620    specific to any segment, and also works around the constraint that one
1621    cannot have client pseudo-ops in the TEXT segment.
1622    
1623            Because no segment is associated with these declarations it is
1624    an error to allocate any space or objects before the first segment
1625    directive and an exception will be raised. However, we cannot make
1626    this check for client pseudo-ops.
1627    
1628            These top level declarations are a field in the CFG graph_info.
1629    In theory you can continue to add to this field after the CFG has been
1630    built -- provided you know what you are doing;-)
1631    
1632    ----------------------------------------------------------------------
1633    Name: Matthias Blume
1634    Date: 2002/05/13 16:40:00 EDT
1635    Tag: blume-20020513-pp-etc
1636    Description:
1637    
1638    A few minor bugfixes:
1639    
1640      - Stopgap measure for bug recently reported by Elsa Gunter (ppDec).
1641        (Bogus printouts for redefined bindings still occur.  Compiler
1642        bug should no longer occur now.  We need to redo the prettyprinter
1643        from scratch.)
1644    
1645      - CM pathname printer now also adds escape sequences for ( and )
1646    
1647      - commend and docu fixes for ml-nlffi
1648    
1649    ----------------------------------------------------------------------
1650  Name: Matthias Blume  Name: Matthias Blume
1651  Date: 2002/05/10 16:40:00 EDT  Date: 2002/05/10 16:40:00 EDT
1652  Tag: blume-20020510-erg-textio  Tag: blume-20020510-erg-textio

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