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Diff of /sml/trunk/HISTORY

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revision 1387, Mon Sep 22 17:10:40 2003 UTC revision 1507, Thu Jun 17 23:16:43 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: 2004/06/17 18:15:00 CDT
18    Tag: Release_110_46
19    Description:
20    
21    New working version (110.46).  NEW BOOTFILES!
22    
23    ----------------------------------------------------------------------
24    Name: Matthias Blume (blume (at) tti - c (dot) org)
25    Date: 2004/06/17 17:20:00 CDT
26    Tag: blume-20040617-timer-unix
27    Description:
28    
29    Changed the interface of structures Timer and Unix to match the most
30    recent Basis spec.
31    
32    In the case of Unix there still seems to be an open/weird issue:
33    
34       The {text,bin}{In,Out}streamOf functions are supposed to create
35       fresh streams whenever they are called -- as opposed to have them
36       return the same stream every time.  This design is supposed to
37       prevent space leaks caused by proc values hanging on to streams.
38    
39       The reap function, on the other hand, is supposed to close the
40       streams.  This cannot be done without having a handle on the
41       stream in proc after all...
42    
43    I took the liberty to implement the following stopgap solution:
44    
45      The proc value hangs on to the most recently created stream(s).
46      Reap closes those.  If either or both of the two streams hadn't
47      been created at all yet, then reap will close the corresponding
48      file descriptors directly.
49    
50    PS: I don't understand the original space leak argument anymore.  If
51    a proc hangs on to the imperative stream, then I/O operations on those
52    will advance the state of the cached stream and avoid the space leak.
53    
54    ----------------------------------------------------------------------
55    Name: Matthias Blume (blume (at) tti - c (dot) org)
56    Date: 2004/05/28 16:45:00 CDT
57    Tag: blume-20040528-basis
58    Description:
59    
60    Added signature PACK_REAL and exported functor PrimIO.
61    
62    ----------------------------------------------------------------------
63    Name: Matthias Blume (blume (at) tti - c (dot) org)
64    Date: 2004/05/25 16:00:00 CDT
65    Tag: blume-20040525-group-owner
66    Description:
67    
68    CM now ignores (but still accepts) the "owner" information in group
69    descriptions.  The owner of a group is its next enclosing
70    library. Each group must have a unique owner.  (There is a virtual
71    "toplevel" library that owns groups which are not nested within a real
72    library.)  Previously, each group had to explicitly declare its owner,
73    and CM would check that such a declaration is correct.  The new scheme
74    is to have CM check that for each group there is precisely one owning
75    library.
76    
77    The advantage of the new scheme is that the programmer no longer needs
78    to maintain the somewhat annoying owner information.  The downside is
79    that CM cannot enforce the ownership rule across multiple runs of
80    CM.make.  Fortunately, enclosing the same group in two different
81    libraries A and B which are not part of the same program does not
82    cause real problems.
83    
84    ----------------------------------------------------------------------
85    Name: Matthias Blume (blume (at) tti - c (dot) org)
86    Date: 2004/05/20 16:00:00 CDT
87    Tag: blume-20040520-win32
88    Description:
89    
90    Made the win32 version work again.  (Strangely, a misplaced comma had
91    slipped into win32-process.c which prevented the runtime from being
92    compiled correctly.)
93    
94    Also, included a minor addition to ml-build.bat analogous to what was
95    done in blume-20040519-ml-build.
96    
97    ----------------------------------------------------------------------
98    Name: Matthias Blume (blume (at) tti - c (dot) org)
99    Date: 2004/05/19 22:10:00 CDT
100    Tag: blume-20040519-ml-build
101    Description:
102    
103    Arranged for ml-build to clean up after itself a little bit better.
104    The script generates a temporary SML source file and compiles it using
105    CM, so CM generates metadata (GUID, SKEL, objectfile) for it.  It now
106    gets rid of those at the end, so they don't accumulate under .cm.
107    
108    This required a minor change to install.sh because the name of the
109    metadata directory (default: .cm) is actually configurable at
110    installation time.
111    
112    ----------------------------------------------------------------------
113    Name: Matthias Blume (blume (at) tti - c (dot) org)
114    Date: 2004/05/18 15:50:00 CDT
115    Tag: blume-20040518-mkreader
116    Description:
117    
118    Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
119    implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
120    
121    ----------------------------------------------------------------------
122    Name: Matthias Blume (blume (at) tti - c (dot) org)
123    Date: 2004/05/11 14:35:00 CDT
124    Tag: blume-20040511-win32sock
125    Description:
126    
127    Added previously missing support for many socket-related functions
128    under win32.  Thanks to David Hansel <hansel@reactive-systems.com>
129    for the voluminous patch!
130    
131    (I have not tested this patch under win32 yet.)
132    
133    Here is David's e-mail:
134    
135    Hi,
136    
137    Attached to this email you find a diff against sml/nj 110.45
138    that will enable socket support under Windows.
139    
140    To apply the patch (using unix or cygwin)
141    1) gunzip runtime.diff.gz
142    2) "cd" into "src/runtime" in the source tree of a fresh
143       110.45 installation.
144    3) patch -p 1 < [your/path/to]runtime.diff
145    
146    The code compiles fine but has NOT yet been extensively tested.
147    I only ran a few tests for basic socket client functionality
148    (which worked fine).  Especially the functions that use ioctl
149    are not tested at all and might not work (see below).
150    
151    I implemented this since we want to move to a newer version of sml/nj
152    but need socket support in order to use it.  This is the first time I
153    even had a look at the sml/nj source,  so please review my changes
154    before making this part of the distribution!  Here are a few issues
155    that I think might be better for someone to solve who is more
156    familiar with the sml/nj source (and socket programming):
157    
158    - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
159      exception since I could not figure out what the windows equivalent
160      of these functions is
161    
162    - In sockets-osdep.h there are a some #include statements that are
163      only used in a few files that include sockets-osdep.h
164    
165    - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
166      does not process its return value since I don't know how to
167      report an error upwards.
168    
169    - It would probably be good to have a call to WSACleanup() when
170      the library is unloaded (if there is such a possibility).
171      Otherwise I think Windows will take care of this automatically
172      when the process finishes.
173    
174    - I used ioctlsocket() as a replacement for ioctl() but I have
175      no idea if that is actually the proper replacement on Windows.
176    
177    - All these issues are marked in the code by "FIXME" comments.
178    
179    We use sml/nj extensively in our products and are quite happy
180    with it.  I hope this contribution will help you.
181    
182    Keep up the good work!
183    
184    David
185    
186    ----------------------------------------------------------------------
187    Name: Matthias Blume (blume (at) tti - c (dot) org)
188    Date: 2004/05/11 14:20:00 CDT
189    Tag: blume-20040511-installml
190    Description:
191    
192    Fixed two bugs in installml script.  (Thanks to Vesa A. Norrman for
193    the patch.)
194    
195    ----------------------------------------------------------------------
196    Name: Matthias Blume (blume (at) tti - c (dot) org)
197    Date: 2004/05/11 14:05:00 CDT
198    Tag: blume-20040511-nlffi-netbsd
199    Description:
200    
201    Added support for nlffi under netbsd.  (Thanks to Vesa A. Norrman for
202    the patch.)
203    
204    ----------------------------------------------------------------------
205    Name: Matthias Blume (blume (at) tti - c (dot) org)
206    Date: 2004/05/11 12:05:00 CDT
207    Tag: blume-20040511-exports
208    Description:
209    
210    As per request by Adam Chlipala <adam@hcoop.net>, extended various
211    export lists in compiler-related .cm-files.
212    
213    ----------------------------------------------------------------------
214    Name: Matthias Blume (blume (at) tti - c (dot) org)
215    Date: 2004/05/11 11:35:00 CDT
216    Tag: blume-20040511-allsource
217    Description:
218    
219    The installer now honors the "src-smlnj" target again, although its meaning
220    has changed from "all sources required for the compiler" to "all sources
221    the installer knows about".  In other words, if you enable "src-smlnj"
222    in the "targets" file, then the installer will pull in sources for
223    everything.  (Notice that this refers to source code only.  Compiled
224    code is still only installed for modules that were requested explicitly
225    or which are required for other modules that were requested explicitly.)
226    
227    ----------------------------------------------------------------------
228    Name: Matthias Blume (blume (at) tti - c (dot) org)
229    Date: 2004/04/23 17:40:00 CDT
230    Tag: blume-20040423-ieee-scan
231    Description:
232    
233    Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
234    in the exponent calculation we get INF or ZERO (depending on the mantissa
235    and the sign of the exponent).
236    
237    ----------------------------------------------------------------------
238    Name: Matthias Blume (blume (at) tti - c (dot) org)
239    Date: 2004/04/23 10:40:00 CDT
240    Tag: blume-20040423-ml-build
241    Description:
242    
243    The ml-build script now terminates with a non-0 status when something
244    goes wrong.
245    
246    ----------------------------------------------------------------------
247    Name: Matthias Blume (blume (at) tti - c (dot) org)
248    Date: 2004/04/22 16:35:00 CDT
249    Tag: blume-20040422-Option
250    Description:
251    
252    Made exception Option to be the same as exception Option.Option
253    (as it should be).
254    
255    ----------------------------------------------------------------------
256    Name: Allen Leung (leunga (at) reservoir (dot) com)
257    Date: 2004/03/19 14:40:00 EST
258    Tag: leunga-20040319-cygwin-nlffi
259    Description:
260    
261    Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
262    of SML/NJ.  The problem is that
263    
264       lib = dlopen(NULL, ...)
265       f   = dlsym(lib, "malloc");
266    
267    does not work on Windows unless we explicitly export symbols
268    such as 'malloc' during linking.  We fixed this by explicitly
269    exporting the required symbols with the magic gcc incantation:
270    
271        -Wl,--export-all cygwin.def
272    
273    where cygwin.def is a file containing all the symbols that
274    we wish to export.
275    
276    I suspect this is a Windows problem and we'll have to
277    do the same (somehow with windows compilers) when
278    we build the native win32 version with the system
279    calls LoadLibrary/GetProcAddress.
280    
281    ----------------------------------------------------------------------
282    Name: Matthias Blume (blume (at) tti - c (dot) org)
283    Date: 2004/03/04 16:35:00 CST
284    Tag: blume-20040304-intinf-fmt
285    Description:
286    
287    Fixed problem with IntInf.fmt (sign would show up on the right instead
288    of on the left for BIN, OCT, and HEX).
289    
290    ----------------------------------------------------------------------
291    Name: Matthias Blume (blume (at) tti - c (dot) org)
292    Date: 2004/03/04 11:25:00 CST
293    Tag: blume-20040304-symlinks
294    Description:
295    
296    Fixed problem with installer script (unix only) where bin/ml-yacc and
297    friends pointed (via symlinks) to absolute locations instead of just
298    .run-sml.  This was reported by Vesa A Norrman.
299    
300    ----------------------------------------------------------------------
301    Name: Matthias Blume (blume (at) tti - c (dot) org)
302    Date: 2004/02/13 14:50:00 CST
303    Tag: Release_110_45
304    Description:
305    
306    New working version (110.45). New bootfiles.
307    
308    ----------------------------------------------------------------------
309    Name: Matthias Blume (blume (at) tti - c (dot) org)
310    Date: 2004/01/26 15:15:15 CST
311    Tag: blume-20040126-toplevel
312    Description:
313    
314    Improved handling of exceptions at the interactive toplevel.
315    
316    ----------------------------------------------------------------------
317    Name: Matthias Blume (blume (at) tti - c (dot) org)
318    Date: 2004/01/26 11:25:00
319    Tag: blume-20040126-app
320    Description:
321    
322    Type of top-level "app" corrected.
323    Added code for setting vp_limitPtrMask to Win32-specific runtime.
324    
325    ----------------------------------------------------------------------
326    Name: Matthias Blume (blume (at) tti - c (dot) org)
327    Date: 2003/11/18 17:10 CST
328    Tag: blume-20031118-basis-fiddle
329    Description:
330    
331    - changed Timer interface to what might become the spec
332    - POSIX_FLAGS -> BIT_FLAGS according to spec
333    - some other minor discrepancies wrt. spec eliminated
334    
335    ----------------------------------------------------------------------
336    Name: Matthias Blume (blume (at) tti - c (dot) org)
337    Date: 2003/11/06 12:00:00 CST
338    Tag: Release_110_44
339    Description:
340    
341    New working version (110.44). New bootfiles.
342    
343    ----------------------------------------------------------------------
344    Name: Matthias Blume (blume (at) tti - c (dot) org)
345    Date: 2003/11/04 11:50:00 CST
346    Tag: blume-20031104-move-libraries
347    Description:
348    
349    Eliminated the "dont_move_libraries" directive in config/targets.
350    (The mechanism was broken and could not be fixed easily.  Moreover,
351    there does not seem to be any reason not to move all libraries into
352    lib during installation.  I originally implemented this directive as a
353    backward-compatibility feature when I first introduced the new CM.
354    Now that things have been stable for a long time and going back to the
355    old CM is not an option, there is no reason to keep it around.)
356    
357    ----------------------------------------------------------------------
358    Name: Matthias Blume (blume (at) tti - c (dot) org)
359    Date: 2003/11/03 16:00:00 CST
360    Tag: blume-20031103-installdir
361    Description:
362    
363    Made installer honor INSTALLDIR variable again.  (Thanks to Chris
364    Richards for pointing out the problem and providing the solution.)
365    
366    ----------------------------------------------------------------------
367    Name: Matthias Blume (blume (at) tti - c (dot) org)
368    Date: 2003/10/01 17:05:00 CDT
369    Tag: blume-20031001-lal-mlrisc
370    Description:
371    
372    MLRISC bug fix from Lal.
373    
374    ----------------------------------------------------------------------
375    Name: Matthias Blume (blume (at) tti - c (dot) org)
376    Date: 2003/09/30 16:10:00 CDT
377    Tag: blume-20030930-primio-bat
378    Description:
379    
380    1. Added openVector, nullRd, and nullWr to PRIM_IO.
381    2. Improved .bat files (for Win32 port) to make things work under Win95.
382       (thanks to Aaron S. Hawley for this one)
383    
384    ----------------------------------------------------------------------
385    Name: Matthias Blume (blume (at) tti - c (dot) org)
386    Date: 2003/09/26 16:05:00 CDT
387    Tag: blume-20030926-wrappriv
388    Description:
389    
390    Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
391    
392    ----------------------------------------------------------------------
393    Name: Matthias Blume (blume (at) tti - c (dot) org)
394    Date: 2003/09/26 15:00:00 CDT
395    Tag: blume-20030926-110_43_3
396    Description:
397    
398    - additional cleanup
399    - version number bump, NEW BOOTFILES
400    
401    ----------------------------------------------------------------------
402    Name: Matthias Blume (blume (at) tti - c (dot) org)
403    Date: 2003/09/26 12:00:00 CDT
404    Tag: blume-20030926-ppautoload
405    Description:
406    
407    I modified the read-eval-print loop so that the autoloader gets
408    invoked whenever the prettyprinter tries to look up a symbol that
409    is not currently defined in the toplevel environment but which
410    appears in CM's autoload registry.  As a result, we see far fewer of
411    those ?.Foo.Bar.xxx names in the prettyprinter's output.
412    
413    In addition to this I tried to clean up some pieces of the Basis
414    implementation (e.g., Socket, Word8Array) in order to prevent other
415    instances of these ?.Foo.Bar.xxx names from being printed.
416    
417    The mechanism that picks names for types still needs some work, though.
418    (Right now it seems that if there is a type A.t which is defined to
419    be B.u, but B is unavailable at toplevel, then A.t gets printed as
420    "?.B.u" although the perhaps more sensible solution would be to use
421    "A.t" in this case.  In other words, the prettyprinter should follow
422    a chain of DEFtycs not farther than there are corresponding toplevel
423    names in the current environment.)
424    
425    ----------------------------------------------------------------------
426    Name: Matthias Blume (blume (at) tti - c (dot) org)
427    Date: 2003/09/24 16:31:00 CDT
428    Tag: blume-20030924-installer
429    Description:
430    
431    Another installer tweak:  All the ML code for the installer is now
432    compiled during CMB.make and put into a little library called
433    $smlnj/installer.cm.  The installation then simply invokes
434    
435       sml -m $smlnj/installer.cm
436    
437    and everything happens automagically.
438    
439    Win32:  ML code senses value of environment variable SMLNJ_HOME.
440    Unix:   ML code senses values of environment variables ROOT, CONFIGDIR,
441            and BINDIR.
442    
443    The new scheme guarantees that the ML code responsible for the installation
444    is in sync with the APIs of the main system.  Also, the installer is
445    somewhat faster because the installer script is precompiled.
446    
447    ----------------------------------------------------------------------
448    Name: Matthias Blume (blume (at) tti - c (dot) org)
449    Date: 2003/09/24 15:35:00 CDT
450    Tag: blume-20030924-synsock
451    Description:
452    
453    Added a signature SYNCHRONOUS_SOCKET to basis.cm.  This is like SOCKET
454    but excludes all non-blocking operations.  Defined SOCKET (in Basis)
455    and CML_SOCKET in terms of SYNCHRONOUS_SOCKET.  Removed superfluous
456    implementations of non-blocking operations from CML's Socket
457    structure.
458    
459    ----------------------------------------------------------------------
460    Name: Matthias Blume (blume (at) tti - c (dot) org)
461    Date: 2003/09/24 15:10:05 CDT
462    Tag: blume-20030924-sockets
463    Description:
464    
465    1. Fixed SOCKET API and implementation to match Basis spec.
466       This required changing the internal representation of sockets to one
467       that remembers (for each socket file descriptor) whether it is currently
468       blocking or non-blocking.  This state is maintained lazily (i.e., a system
469       call is made only if the state actually needs to change).
470    
471    2. OS-specific details of sockets were moved into separate files, thus
472       making it possible to unify the bulk of the socket implementations
473       between Unix and Win32.
474    
475    3. CML's socket API changed accordingly.
476       (Note that we need to remove non-blocking functions from this API
477       since they are redundant in the case of CML!)
478    
479    4. CML's socket implementation now makes use of non-blocking functions
480       provided by Basis, thus removing all OS-dependent code from this part
481       of CML.
482    
483    5. Changed Real64.precision from 52 to 53.  Minor cleanup in Real64 code.
484    
485    ----------------------------------------------------------------------
486    Name: Matthias Blume (blume (at) tti - c (dot) org)
487  Date: 2003/09/22 12:10:00 CDT  Date: 2003/09/22 12:10:00 CDT
488  Tag: blume-20030918-110_43_2  Tag: blume-20030922-110_43_2
489  Description:  Description:
490    
491  Made a new interim version and bootfiles for developer's bootstrapping  Made a new interim version and bootfiles for developer's bootstrapping

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