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Diff of /sml/trunk/HISTORY

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revision 1388, Mon Sep 22 17:13:20 2003 UTC revision 1634, Tue Sep 28 15:53:10 2004 UTC
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14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16  Name: Matthias Blume (blume (at) tti - c (dot) org)  Name: Matthias Blume (blume (at) tti - c (dot) org)
17    Date: 2004/09/28 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  Date: 2003/09/22 12:10:00 CDT
912  Tag: blume-20030922-110_43_2  Tag: blume-20030922-110_43_2
913  Description:  Description:

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