2005-10-28 18:57:25 +01:00
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<title>YAP change log</title>
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<link rel=stylesheet href="changes.css" type="text/css">
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<hr>
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<h1>Changes in YAP-5.1</h1>
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<h2>Yap-5.1.0:</h2>
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<ul>
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2006-03-20 19:51:44 +00:00
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<li> FIXED: if LU indices have groups, we should create
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try-retry-trust sequences immediately, otherwise LU semantics can be
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compromised (obs ).</li>
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<li> FIXED: when cleaning trail, gc would not always clean value
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field! (obs Remko Troncon).</li>
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<li> FIXED: when cleaning megaclauses, clean flag too.</li>
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<li> FIXED: don't put array twice in list of live arrays (gc would loop).</li>
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2006-03-06 14:04:57 +00:00
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<li> NEW: debugger will not backtrack over complete deterministic computations.</li>
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<li> NEW: debugger can show CP stack.</li>
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<li> NEW: internal procedure to show choice-point stack.</li>
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<li> FIXED: Incremental GC could still get confused after backtracking
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over GEN marker. Associate GEN marker with timestamp and make sure
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we only use current GEN markers (obs Mark Goadrich).</li>
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2006-03-03 23:11:30 +00:00
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<li> FIXED: Yap on OSX should not make CreepFlag a register, as this
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breaks Interrupt Handling. Also, it seems that if I do not reserve
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r13, GCC will use r14 for its own evil purposes.</li>
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2006-03-06 14:04:57 +00:00
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<li> FIXED: make Yap files usable again as a script (obs Ales Kozumplik).</li>
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<li> FIXED: silent informational_messages was being ignored (obs Nicos Angelopoulos).</li>
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2006-02-24 14:26:37 +00:00
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<li> FIXED: initialization should only be performed after all
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consulted files are done.</li>
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2006-02-24 14:03:42 +00:00
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<li> FIXED: garbage collector now makes refs to erased LU clauses point
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to LogUpdErasedMarker.</li>
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<li> FIXED: get rid of old code referring to LogUpds from within ImmediateSemantics.</li>
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2006-02-22 11:55:36 +00:00
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<li> FIXED: indexing code would get confused about size of inlined
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2006-03-06 14:04:57 +00:00
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float/1 (obs Paulo Moura).</li>
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2006-02-22 11:55:36 +00:00
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<li> FIXED: broken SIGINT with tkyap (Keri Harris).</li>
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<li> FIXED: indexing of bignums was broken, just disable it for now.</li>
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2006-03-06 14:04:57 +00:00
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<li> FIXED: pipe open was returning the same descriptor twice (obs Christian Thaeter).</li>
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2006-02-17 15:56:36 +00:00
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<li> FIXED: style check should compare with true file name.</li>
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2006-02-13 16:58:55 +00:00
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<li> FIXED: ^c should take care about TR and B.</li>
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2006-03-06 14:04:57 +00:00
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<li> FIXED: don't pass a pointer to a mpz_t. (obs Nuno Fonseca)</li>
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<li> FIXED: handle heap overflow from huge atoms in
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Yap_LookupAtom/scanner (obs Nuno Fonseca).</li>
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<li> FIXED: bignum was using int where should be long int (obs Roberto Bagnara).</li>
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2006-02-01 13:28:57 +00:00
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<li> NEW: x86_64 should have registers, right? First cut at using them.</li>
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<li> FIXED: call_n would break under 64 bits, an int problem.</li>
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2006-03-06 14:04:57 +00:00
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<li> FIXED: more compilation problems if GMP not there (obs Remko Troncon).</li>
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<li> FIXED: make syntax error report the line where the bug was (obs Jude Shavlik).</li>
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2006-01-18 15:34:54 +00:00
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<li> FIXED: ok, MkBigInt shouldn't free the bigint.</li>
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2006-01-18 06:02:02 +00:00
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<li> FIXED: MkBigInt already frees bigint.</li>
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2006-03-06 14:04:57 +00:00
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<li> FIXED: don't pass a pointer to a mpz_t. (obs Nuno Fonseca)</li>
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<li> FIXED: YENV may be an HW register (could break some tabling code)
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(obs Remko Troncon) </li>
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2006-01-17 14:10:42 +00:00
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<li> FIXED: All YAAM instructions are now brackedted, so Op introduced an { and EndOp intr
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oduces an }. This is because Ricardo assumes that. </li>
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2006-01-17 14:53:20 +00:00
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<li> FIXED: compile attvars when COROUTING is undefined. </li>
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<li> FIXED: compiler warnings due to c-interface changes</li>.
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2006-01-16 02:57:52 +00:00
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<li> FIXED: scanner would convert LONG_MIN to bigint, but it can be
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2006-03-06 14:04:57 +00:00
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represent as a LONG; fixed by using mpz_fits_slong_p (obs Roberto Bagnara). </li>
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<li> FIXED: indexing cut should stop looking after a cut!!!! (obs Paulo Moura).
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2006-01-16 02:57:52 +00:00
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<li> FIXED: mktime was broken in WIN32. </li>
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<li> FIXED: don't assume a fixed point for WIN32 memory allocation. </li>
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2006-01-08 03:16:24 +00:00
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<li> FIXED: don't call goal_expand when looking for handlers of undefined procedures. </li>
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2006-01-07 02:12:32 +00:00
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<li> FIXED: always walk through modules in the same order when waking
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up variables (otherwise, breaks CLP(QR)). </li>
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2006-01-02 02:16:19 +00:00
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<li> NEW: SWI-like yap_flag(float_format,_). </li>
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<li> FIXED: change C-interface to use new interface. </li>
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<li> FIXED: << and >> should handle overflows. </li>
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<li> FIXED: mod and rem now implement ISO semantics (hopefully). </li>
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<li> FIXED: change implementation of bigints to be more like GMP style. </li>
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2005-12-23 00:20:14 +00:00
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<li> FIXED: handle assert/retracts and gprof overhead right. </li>
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<li> FIXED: indexing code was not setting up properly registers on longjmps. </li>
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<li> FIXED: use RISC architecture on MacOsX (__POWERPC__ + _POWER). </li>
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<li> FIXED: init system predicates should generate full static clause. </li>
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2005-12-17 03:25:39 +00:00
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<li> NEW: tabling does not conflit with depth limit (Trevor Walker). </li>
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<li> NEW: make scanner restartable on seekable files (Nuno Fonseca). </li>
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<li> NEW: improve error discovery within scanner (Jude Shavlik). </li>
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<li> NEW: change event profiler to do profiling online and
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off-line. </li>
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<li> NEW: routine to find clause/pred </li>
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<li> NEW: always end clauses with Ystop START, so that we can refer
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back to the clause's beginning. </li>
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<li> NEW: always have a pointer to Pred in clauses, so that we can
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find current predicate. </li>
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2005-12-07 17:53:30 +00:00
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<li> NEW: heapgc should now be concurrent when using threads. </li>
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2005-12-07 12:55:31 +00:00
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<li> FIXED: heapgc wo tags can handle trail overflows right. </li>
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<li> NEW: heapgc wo tags does not write on the collected areas during marking. </li>
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2005-12-05 17:16:12 +00:00
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<li> FIXED: dif/2 might get into trouble restoring assignments to
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attributes. </li>
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<li> NEW: Yap_DebugPlWrite and Yap_DebugErrorPutc for those debugging
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moments. </li>
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<li> FIXED: get rid of dead internal variable MutableList. </li>
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<li> NEW: write_depth/3 for very large compound terms. </li>
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<li> FIXED: new bug in garbage collection. </li>
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2005-11-26 02:57:25 +00:00
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<li> FIXED: overflow handling in DB/AttVars was resetting old var, and
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wasn't resetting trail. </li>
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<li> FIXED: when rebuilding DB term with attvars, set global var to
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point to attvar. </li>
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<li> NEW: add school CLP(BN) example. </li>
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<li> NEW: add sc CLP(BN) example. </li>
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<li> FIXED: make exception port more like a true port. </li>
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<li> FIXED: don't run ^ in setof if there are no excess variables. </li>
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<li> FIXED: prolog_load_context(directory) relied on dead code. </li>
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2005-11-23 13:24:00 +00:00
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<li> FIXED: some small beautifications for system/1, getcwd/1, sh/1, rename/2. </li>
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<li> NEW: operating_system_error. </li>
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2005-11-23 12:09:50 +00:00
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<li> FIXED: Restore could not recover DL_MALLOC info and was not recovering
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DBTerms correctly. </li>
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<li> FIXED: with locking field, AtomNil and friends might not be
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aligned, and would be confused with int. </li>
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<li> FIXED: variables should always be reset when doing trail
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expansion from the parser, even if there is no shifting (obs Trevor
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Walker). </li>
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2005-11-17 13:40:18 +00:00
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<li> FIXED: growglobal with realloc was broken. </li>
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<li> FIXED: with threads, self-deadlocking in new array codes. </li>
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2005-11-16 01:55:03 +00:00
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<li> FIXED: in tabling, use malloc when AllocCodeSpace fails. </li>
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2005-11-15 00:50:49 +00:00
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<li> FIXED: in tabling don't look inside cp_ap == NULL and fix recent
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bug in walking dependency frames. </li>
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<li> FIXED: with tabling ASP sometimes was miscalculated, causing
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trouble with stack shifter (obs Kostis Sagonas). </li>
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2005-11-13 02:43:52 +00:00
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<li> FIXED: ~D should print bignums (obs Jude Shavlik). </li>
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2005-11-10 01:55:12 +00:00
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<li> FIXED: format's ~d and ~D were broken (obs Jude Shavlik). </li>
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2005-11-10 01:27:13 +00:00
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<li> FIXED: profiler should not talk about hidden predicates or idb entries. </li>
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<li> FIXED: recentg change in setof could bind argument (obs
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Jude Shavlik). </li>
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<li> FIXED: EOF (-1) at debugger prompt would generate exception (obs
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Jude Shavlik). </li>
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2005-11-09 18:02:53 +00:00
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<li> FIXED: ^C was very broken: break was not accepted, and debug,
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2005-11-10 01:27:13 +00:00
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trace and statistics did not work at all (obs Jude Shavlik). </li>
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<li> FIXED: format_has_tabs could miss tab signs (obs Jude Shavlik). </li>
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<li> FIXED: plug holes in memory allocation from scanner (obs
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Mark Goadrich). </li>
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<li> FIXED: instrument memory allocation when using system malloc. </li>
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2005-11-08 13:57:41 +00:00
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<li> FIXED: adjust_cp_hbs was readjusting consumer choice-points (it
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2005-11-10 01:27:13 +00:00
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can only adjust hb once) (obs Remko Troncon). </li>
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2005-11-07 15:35:47 +00:00
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<li> FIXED: try to make GC trace message "marked N vars" intelligible. </li>
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2005-11-10 01:27:13 +00:00
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<li> FIXED: garbage collection of mabindings was broken with tabling
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(obs Remko Troncon). </li>
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<li> FIXED: did not initialise tabling variables
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(obs Remko Troncon). </li>
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2005-11-07 15:35:47 +00:00
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<li> FIXED: should have meta-predicate definitions for calls and
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discontiguous. </li>
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2005-11-05 23:56:10 +00:00
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<li> FIXED: have discontiguous as a builtin, not just as a
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2005-11-10 01:27:13 +00:00
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declaration (obs Jude Shavlik). </li>
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2005-11-05 03:02:33 +00:00
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<li> FIXED: if first argument was unbound, comparisons might be
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called with second argument undereferenced!! </li>
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<li> FIXED: strip ^ before doing execute in setof or bagof. </li>
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2005-11-05 01:28:28 +00:00
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<li> FIXED: use CONST declarations in interface (thanks to Roberto Bagnara). </li>
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2005-11-10 01:27:13 +00:00
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<li> FIXED: absmi should consult PREG, not P (obs Remko Troncon). </li>
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2005-11-05 01:28:28 +00:00
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<li> FIXED: bad init in tabling code. </li>
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2005-11-10 01:27:13 +00:00
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<li> FIXED: YAP_MkBigIntTerm was broken (obs Roberto Bagnara). </li>
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2005-11-01 18:19:44 +00:00
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<li> NEW: update documentation to support new CLP(R) and CHR packages. </li>
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<li> FIXED: regression in clpbn/utils.yap. </li>
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2005-10-31 18:12:51 +00:00
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<li> NEW: put_attrs/2. </li>
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2005-10-31 12:44:29 +00:00
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<li> FIXED: don't install CLP unless coroutining && rational trees are
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active. </li>
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2005-10-31 12:27:54 +00:00
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<li> FIXED: syntax error in ypp.yap (obs Paulo Moura). </li>
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<li> FIXED: save/restore should be as usual if using YAP allocation. </li>
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<li> FIXED: save/restore FZ regs. </li>
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<li> FIXED: $loop_stream could be defined early in boot process. </li>
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<li> NEW: make rational trees default. </li>
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2006-03-06 14:04:57 +00:00
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v<li> NEW: make enable-max-memory default. </li>
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2005-10-29 03:21:47 +01:00
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<li> FIXED: allow people to disable indexing (obs Ricardo Lopes). </li>
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<li> FIXED: make undefined exception more ISO like (obs Paulo Moura). </li>
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2005-10-29 02:28:37 +01:00
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<li> FIXED: add missing dependency in chr's Makefile.in. </li>
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2005-10-28 18:57:25 +01:00
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<li> FIXED: fix corruption in ypp.yap. </li>
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<li> FIXED: ~@ makes format a meta-predicate. </li>
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<li> FIXED: format should do immediate exit on exception (from Prolog call). </li>
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<li> FIXED: make format reentrant and thread-safe (format may call itself). </li>
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<li> FIXED: don't complain if a module is loading a reexported
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predicate and the original predicate. </li>
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<li> FIXED: change a few defaults for SWI compatibility. </li>
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2005-10-29 03:21:47 +01:00
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<li> FIXED: library prandom was broken (obs Nuno Fonseca). </li>
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2005-10-28 18:57:25 +01:00
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<li> NEW: add max_tagged_integer and min_tagged_inter prolog_flags. </li>
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<li> NEW: add ~@ option to format. </li>
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<li> NEW: memberchk/2 is like builtin in SWI emulation lib. </li>
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<li> NEW: SWI like prolog_source_location/2 </li>
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<li> FIXED: $loop_stream usage was broken. Fix $fetch_stream_alias to
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be bidirectional.</li>
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<li> FIXED: allow nb_set followed by b_set, bheakkkk! The other way round
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is still not allowed.</li>
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<li> NEW: from SWI maplist/2, maplist/3, maplist/4.</li>
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<li> NEW: call/2, call/3, call/4.</li>
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<li> FIXED: disable mutables in SWI mode. </li>
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<li> FIXED: safe C-preds should always use P when calling garbage
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collector, aarrggh :-(, CP use found in GetTermFromArray.</li>
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<li> NEW: SWI-like ord_empty/1 and ord_memberchk/2 in library(ordsets).</li>
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<li> FIXED: safe call_c should check for signals before calling a built-in.</li>
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<li> NEW: -p option allows setting path from command line.</li>
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<li> FIXED: during grow, heap references should not be followed from trail.</li>
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<li> FIXED: \= was not resetting wakeups correctly.</li>
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<li> FIXED: copy_term was broken if attrs were an unbound variable.</li>
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<li> FIXED: during garbage collection, heap references should be
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copied to trail, and that's it.</li>
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<li> FIXED: excessive backtracking in multifile declaration.</li>
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<li> NEW: allow style_check(singleton) and style_check(-singleton).</li>
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<li> NEW: SWI module now makes atom_concat/{2,3} behave like atomic_concat/{2,3}.</li>
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<li> NEW: add SWI-like copy_term_nat/2.</li>
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<li> NEW: add SWI-like get_time and convert_time, but using integers, not floats.</li>
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<li> NEW: add SWI-like working_directory/2 and chdir/2.</li>
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<li> NEW: add append/3 and member/2 to SWI module.</li>
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<li> FIXED: use bootstrap/1 to load up system.</li>
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<li> FIXED: use_module/3 did not get info on loaded_module.</li>
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<li> NEW: use_load_files as main file loading option.</li>
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<li> FIXED: broken do_print_message for defined_elsewhere.</li>
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<li> FIXED: debugger option.</li>
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<li> FIXED: trace through undefined predicates correctly.</li>
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<li> FIXED: WIN32 missing include files (untested)</li>
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<li> FIXED: -L trouble (my thanks to Takeyuchi Shiramoto-san)!</li>
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<li> FIXED: debugging of backtrable user-C preds would core dump.</li>
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<li> FIXED: redeclaring a C-predicate as Prolog core dumps.</li>
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<li> FIXED: badly protected YapInterface.h.</li>
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<li> FIXED: break/0 was failing at exit.</li>
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<li> FIXED: YAP_cut_fail and YAP_cut_succeed were different from manual.</li>
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<li> FIXED: tracing through data-bases could core dump.</li>
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<li> FIXED: cut could break on very large computations.</li>
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2005-11-10 01:27:13 +00:00
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<li> FIXED: first pass at BigNum issues (obs Roberto Bagnara).</li>
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2005-10-28 18:57:25 +01:00
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<li> FIXED: debugger could get go awol after fail port.</li>
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<li> FIXED: weird message on wrong debugger option.</li>
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<li> FIXED: cases where restore/1 could break.</li>
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<li> NEW: SWI predicates now update prolog module</li>
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<li> NEW: port of Leslie's CLP(R) system.</li>
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<li> NEW: generations in garbage collector.</li>
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<li> SPEEDUP: optimise some garbage collector code.</li>
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</ul>
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<hr>
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