fixes to garbage collector

fixes to debugger


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1558 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2006-03-06 14:04:57 +00:00
parent ae98f71fd9
commit cf669ee72b
10 changed files with 290 additions and 42 deletions

158
C/cdmgr.c
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@ -11,8 +11,11 @@
* File: cdmgr.c *
* comments: Code manager *
* *
* Last rev: $Date: 2006-02-01 13:28:56 $,$Author: vsc $ *
* Last rev: $Date: 2006-03-06 14:04:56 $,$Author: vsc $ *
* $Log: not supported by cvs2svn $
* Revision 1.176 2006/02/01 13:28:56 vsc
* bignum support fixes
*
* Revision 1.175 2006/01/08 03:12:00 vsc
* fix small bug in attvar handling.
*
@ -3207,7 +3210,7 @@ all_cps(choiceptr b_ptr)
bp = H;
H += 2;
/* notice that MkIntegerTerm may increase the Heap */
bp[0] = MkIntegerTerm((Int)b_ptr->cp_ap);
bp[0] = MkIntegerTerm((Int)(LCL0-(CELL *)b_ptr));
if (H >= ASP) {
bp[1] = TermNil;
return tf;
@ -3243,6 +3246,12 @@ Yap_all_calls(void)
return all_calls();
}
static Int
p_all_choicepoints(void)
{
return Yap_unify(ARG1,all_cps(B));
}
static Int
p_current_stack(void)
{
@ -5311,6 +5320,149 @@ p_program_continuation(void)
return TRUE;
}
static Term
BuildActivePred(PredEntry *ap, CELL *vect)
{
if (!ap->ArityOfPE) {
return MkVarTerm();
}
return Yap_MkApplTerm(ap->FunctorOfPred, ap->ArityOfPE, vect);
}
static Int
p_choicepoint_info(void)
{
choiceptr cptr = (choiceptr)(LCL0-IntegerOfTerm(Deref(ARG1)));
PredEntry *pe;
int go_on = TRUE;
yamop *ipc = cptr->cp_ap;
Term t, tname, tmod;
UInt arity;
while (go_on) {
op_numbers opnum = Yap_op_from_opcode(ipc->opc);
go_on = FALSE;
switch (opnum) {
#ifdef TABLING
case _table_load_answer:
pe = LOAD_CP(cptr)->cp_pred_entry;
t = MkVarTerm();
break;
case _table_try_answer:
case _table_retry_me:
case _table_trust_me:
case _table_retry:
case _table_trust:
case _table_completion:
pe = GEN_CP(cptr)->cp_pred_entry;
t = BuildActivePred(pe, (CELL *)(GEN_CP(B) + 1));
break;
case _table_answer_resolution:
pe = CONS_CP(cptr)->cp_pred_entry;
t = MkVarTerm();
break;
case _trie_retry_null:
case _trie_trust_null:
case _trie_retry_var:
case _trie_trust_var:
case _trie_retry_val:
case _trie_trust_val:
case _trie_retry_atom:
case _trie_trust_atom:
case _trie_retry_list:
case _trie_trust_list:
case _trie_retry_struct:
case _trie_trust_struct:
case _trie_retry_extension:
case _trie_trust_extension:
case _trie_retry_float:
case _trie_trust_float:
case _trie_retry_long:
case _trie_trust_long:
pe = UndefCode;
t = MkVarTerm();
break;
#endif /* TABLING */
case _or_else:
pe = ipc->u.sla.p0;
t = Yap_MkNewApplTerm(FunctorOr, 2);
break;
case _or_last:
pe = ipc->u.p.p;
t = Yap_MkNewApplTerm(FunctorOr, 2);
break;
case _retry2:
case _retry3:
case _retry4:
case _trust_logical_pred:
ipc = NEXTOP(ipc,l);
go_on = TRUE;
break;
case _jump:
ipc = ipc->u.l.l;
go_on = TRUE;
break;
case _retry_c:
case _retry_userc:
pe = ipc->u.lds.p;
t = BuildActivePred(pe, cptr->cp_args);
break;
case _retry_profiled:
case _count_retry:
ipc = NEXTOP(ipc,p);
go_on = TRUE;
break;
case _retry_me:
case _trust_me:
case _count_retry_me:
case _count_trust_me:
case _profiled_retry_me:
case _profiled_trust_me:
case _retry_and_mark:
case _profiled_retry_and_mark:
case _retry:
case _trust:
pe = ipc->u.ld.p;
t = BuildActivePred(pe, cptr->cp_args);
break;
case _Nstop:
case _Ystop:
default:
pe = NULL;
return FALSE;
}
}
arity = pe->ArityOfPE;
if (pe->ModuleOfPred != IDB_MODULE) {
if (pe->ModuleOfPred == PROLOG_MODULE) {
tmod = TermProlog;
} else {
tmod = pe->ModuleOfPred;
}
if (pe->ArityOfPE == 0) {
tname = MkAtomTerm((Atom)pe->FunctorOfPred);
} else {
Functor f = pe->FunctorOfPred;
tname = MkAtomTerm(NameOfFunctor(f));
}
} else {
tmod = pe->ModuleOfPred;
if (pe->PredFlags & NumberDBPredFlag) {
tname = MkIntegerTerm(pe->src.IndxId);
} else if (pe->PredFlags & AtomDBPredFlag) {
tname = MkAtomTerm((Atom)pe->FunctorOfPred);
} else {
Functor f = pe->FunctorOfPred;
tname = MkAtomTerm(NameOfFunctor(f));
}
}
return Yap_unify(ARG2, tmod) &&
Yap_unify(ARG3,tname) &&
Yap_unify(ARG4,MkIntegerTerm(arity)) &&
Yap_unify(ARG5,t);
}
void
Yap_InitCdMgr(void)
{
@ -5367,6 +5519,8 @@ Yap_InitCdMgr(void)
Yap_InitCPred("$static_pred_statistics", 5, p_static_pred_statistics, SyncPredFlag|HiddenPredFlag);
Yap_InitCPred("$p_nth_clause", 4, p_nth_clause, SyncPredFlag|HiddenPredFlag);
Yap_InitCPred("$program_continuation", 3, p_program_continuation, SafePredFlag|SyncPredFlag|HiddenPredFlag);
Yap_InitCPred("$all_choicepoints", 1, p_all_choicepoints, HiddenPredFlag);
Yap_InitCPred("$choicepoint_info", 5, p_choicepoint_info, HiddenPredFlag);
#ifdef DEBUG
Yap_InitCPred("predicate_erased_statistics", 5, p_predicate_erased_statistics, SyncPredFlag);
#endif

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@ -1796,6 +1796,8 @@ Yap_InitYaamRegs(void)
AttsMutableList = Yap_NewTimedVar(MkIntTerm(0));
#endif
GcGeneration = Yap_NewTimedVar(MkIntTerm(0));
GcCurrentPhase = 0L;
GcPhase = Yap_NewTimedVar(MkIntTerm(GcCurrentPhase));
#if defined(YAPOR) || defined(THREADS)
PP = NULL;
WPP = NULL;

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@ -165,6 +165,7 @@ SetHeapRegs(void)
WokenGoals = AbsAppl(PtoGloAdjust(RepAppl(WokenGoals)));
#endif
GcGeneration = AbsAppl(PtoGloAdjust(RepAppl(GcGeneration)));
GcPhase = AbsAppl(PtoGloAdjust(RepAppl(GcPhase)));
}
static void
@ -218,6 +219,7 @@ SetStackRegs(void)
WokenGoals = AbsAppl(PtoGloAdjust(RepAppl(WokenGoals)));
#endif
GcGeneration = AbsAppl(PtoGloAdjust(RepAppl(GcGeneration)));
GcPhase = AbsAppl(PtoGloAdjust(RepAppl(GcPhase)));
}
static void

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@ -433,6 +433,8 @@ push_registers(Int num_regs, yamop *nextop)
}
TrailTerm(TR) = GcGeneration;
TR++;
TrailTerm(TR) = GcPhase;
TR++;
#ifdef COROUTINING
TrailTerm(TR) = WokenGoals;
TrailTerm(TR+1) = AttsMutableList;
@ -495,6 +497,7 @@ pop_registers(Int num_regs, yamop *nextop)
sal = sal->NextAE;
}
GcGeneration = TrailTerm(ptr++);
GcPhase = TrailTerm(ptr++);
#ifdef COROUTINING
#ifdef MULTI_ASSIGNMENT_VARIABLES
WokenGoals = TrailTerm(ptr++);
@ -3495,6 +3498,7 @@ do_gc(Int predarity, CELL *current_env, yamop *nextop)
CELL *max;
Int effectiveness, tot;
int gc_trace;
UInt gc_phase;
heap_cells = H-H0;
gc_verbose = is_gc_verbose();
@ -3632,19 +3636,10 @@ do_gc(Int predarity, CELL *current_env, yamop *nextop)
#endif
/* get the number of active registers */
HGEN = H0+IntegerOfTerm(Yap_ReadTimedVar(GcGeneration));
gc_phase = (UInt)IntegerOfTerm(Yap_ReadTimedVar(GcPhase));
/* old HGEN are not very reliable, but still may have data to recover */
if (HGEN < HB) {
choiceptr b_ptr = B;
/* cannot trust the data between HGEN and its current choice-point */
while (b_ptr) {
if (b_ptr->cp_h <= HGEN) {
HGEN = b_ptr->cp_h;
break;
} else {
b_ptr = b_ptr->cp_b;
}
}
if (!b_ptr) HGEN = H0;
if (gc_phase != GcCurrentPhase) {
HGEN = H0;
}
/* fprintf(stderr,"HGEN is %ld, %p, %p/%p\n", IntegerOfTerm(Yap_ReadTimedVar(GcGeneration)), HGEN, H,H0);*/
#if !GC_TAGS
@ -3657,7 +3652,10 @@ do_gc(Int predarity, CELL *current_env, yamop *nextop)
total_marked -= total_oldies;
tot = total_marked+(HGEN-H0);
} else {
HGEN = H0;
if (HGEN != H0) {
HGEN = H0;
GcCurrentPhase++;
}
tot = total_marked;
}
m_time = Yap_cputime();
@ -3698,6 +3696,7 @@ do_gc(Int predarity, CELL *current_env, yamop *nextop)
#endif
/* fprintf(Yap_stderr,"NEW HGEN %ld (%ld)\n", H-H0, HGEN-H0);*/
Yap_UpdateTimedVar(GcGeneration, MkIntegerTerm(H-H0));
Yap_UpdateTimedVar(GcPhase, MkIntegerTerm(GcCurrentPhase));
c_time = Yap_cputime();
if (gc_verbose) {
fprintf(Yap_stderr, "%% Compress: took %g sec\n", (double)(c_time-time_start)/1000);

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@ -423,6 +423,8 @@ save_regs(int mode)
putout(DEPTH);
#endif
putout(GcGeneration);
putout(GcPhase);
putout(GcCurrentPhase);
}
/* The operand base */
putcellptr(CellPtr(XREGS));
@ -832,6 +834,12 @@ get_regs(int flag)
GcGeneration = get_cell();
if (Yap_ErrorMessage)
return -1;
GcPhase = get_cell();
if (Yap_ErrorMessage)
return -1;
GcCurrentPhase = get_cell();
if (Yap_ErrorMessage)
return -1;
}
/* Get the old bases */
OldXREGS = get_cellptr();

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@ -10,7 +10,7 @@
* File: Heap.h *
* mods: *
* comments: Heap Init Structure *
* version: $Id: Heap.h,v 1.91 2006-02-24 14:03:42 vsc Exp $ *
* version: $Id: Heap.h,v 1.92 2006-03-06 14:04:56 vsc Exp $ *
*************************************************************************/
/* information that can be stored in Code Space */
@ -98,6 +98,8 @@ typedef struct worker_local_struct {
#endif
/* gc_stuff */
Term gc_generation; /* global stack limit at last generation */
Term gc_phase; /* gc phase to be sure we are on a valid compression */
UInt gc_current_phase; /* gc currrent phase */
unsigned int gc_calls; /* number of times GC has been called */
Int tot_gc_time; /* total time spent in GC */
YAP_ULONG_LONG tot_gc_recovered; /* number of heap objects in all garbage collections */
@ -785,7 +787,10 @@ struct various_codes *Yap_heap_regs;
#define WokenGoals Yap_heap_regs->wl[worker_id].woken_goals
#define AttsMutableList Yap_heap_regs->wl[worker_id].atts_mutable_list
#endif
/* support for generations with backtracking */
#define GcGeneration Yap_heap_regs->wl[worker_id].gc_generation
#define GcPhase Yap_heap_regs->wl[worker_id].gc_phase
#define GcCurrentPhase Yap_heap_regs->wl[worker_id].gc_current_phase
#define GcCalls Yap_heap_regs->wl[worker_id].gc_calls
#define TotGcTime Yap_heap_regs->wl[worker_id].tot_gc_time
#define TotGcRecovered Yap_heap_regs->wl[worker_id].tot_gc_recovered
@ -854,6 +859,8 @@ struct various_codes *Yap_heap_regs;
#define AttsMutableList Yap_heap_regs->wl.atts_mutable_list
#endif
#define GcGeneration Yap_heap_regs->wl.gc_generation
#define GcPhase Yap_heap_regs->wl.gc_phase
#define GcCurrentPhase Yap_heap_regs->wl.gc_current_phase
#define GcCalls Yap_heap_regs->wl.gc_calls
#define TotGcTime Yap_heap_regs->wl.tot_gc_time
#define TotGcRecovered Yap_heap_regs->wl.tot_gc_recovered

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@ -11,8 +11,11 @@
* File: rheap.h *
* comments: walk through heap code *
* *
* Last rev: $Date: 2006-02-24 14:03:42 $,$Author: vsc $ *
* Last rev: $Date: 2006-03-06 14:04:56 $,$Author: vsc $ *
* $Log: not supported by cvs2svn $
* Revision 1.62 2006/02/24 14:03:42 vsc
* fix refs to old LogUpd implementation (pre 5).
*
* Revision 1.61 2006/01/02 02:16:18 vsc
* support new interface between YAP and GMP, so that we don't rely on our own
* allocation routines.
@ -493,6 +496,11 @@ restore_codes(void)
Yap_heap_regs->wl.scratchpad.ptr =
(char *)AddrAdjust((ADDR)Yap_heap_regs->wl.scratchpad.ptr);
}
Yap_heap_regs->wl.gc_generation =
AbsAppl(PtoGloAdjust(RepAppl(Yap_heap_regs->wl.gc_generation)));
Yap_heap_regs->wl.gc_phase =
AbsAppl(PtoGloAdjust(RepAppl(Yap_heap_regs->wl.gc_phase)));
/* current phase is an integer */
#endif
#ifdef COROUTINING
if (Yap_heap_regs->wake_up_code != NULL)

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@ -16,41 +16,49 @@
<h2>Yap-5.1.0:</h2>
<ul>
<li> NEW: debugger will not backtrack over complete deterministic computations.</li>
<li> NEW: debugger can show CP stack.</li>
<li> NEW: internal procedure to show choice-point stack.</li>
<li> FIXED: Incremental GC could still get confused after backtracking
over GEN marker. Associate GEN marker with timestamp and make sure
we only use current GEN markers (obs Mark Goadrich).</li>
<li> FIXED: Yap on OSX should not make CreepFlag a register, as this
breaks Interrupt Handling. Also, it seems that if I do not reserve
r13, GCC will use r14 for its own evil purposes.</li>
<li> FIXED: make Yap files usable again as a script (Ales Kozumplik).</li>
<li> FIXED: informational_messages was being ignored (Nicos Angelopoulos).</li>
<li> FIXED: make Yap files usable again as a script (obs Ales Kozumplik).</li>
<li> FIXED: silent informational_messages was being ignored (obs Nicos Angelopoulos).</li>
<li> FIXED: initialization should only be performed after all
consulted files are done.</li>
<li> FIXED: garbage collector now makes refs to erased LU clauses point
to LogUpdErasedMarker.</li>
<li> FIXED: get rid of old code referring to LogUpds from within ImmediateSemantics.</li>
<li> FIXED: indexing code would get confused about size of inlined
float/1 (Paulo Moura).</li>
float/1 (obs Paulo Moura).</li>
<li> FIXED: broken SIGINT with tkyap (Keri Harris).</li>
<li> FIXED: indexing of bignums was broken, just disable it for now.</li>
<li> FIXED: pipe open was returning the same descriptor twice (Christian Thaeter).</li>
<li> FIXED: pipe open was returning the same descriptor twice (obs Christian Thaeter).</li>
<li> FIXED: style check should compare with true file name.</li>
<li> FIXED: ^c should take care about TR and B.</li>
<li> FIXED: don't pass a pointer to a mpz_t. (Nuno Fonseca)</li>
<li> FIXED: handle heap overflow from huge atoms in Yap_LookupAtom/scanner (Nuno Fonseca).</li>
<li> FIXED: bignum was using int where should be long int (Roberto Bagnara).</li>
<li> FIXED: don't pass a pointer to a mpz_t. (obs Nuno Fonseca)</li>
<li> FIXED: handle heap overflow from huge atoms in
Yap_LookupAtom/scanner (obs Nuno Fonseca).</li>
<li> FIXED: bignum was using int where should be long int (obs Roberto Bagnara).</li>
<li> NEW: x86_64 should have registers, right? First cut at using them.</li>
<li> FIXED: call_n would break under 64 bits, an int problem.</li>
<li> FIXED: more compilation problems if GMP not there (Remko Troncon).</li>
<li> FIXED: make syntax error report the line where the bug was (Jude Shavlik).</li>
<li> FIXED: more compilation problems if GMP not there (obs Remko Troncon).</li>
<li> FIXED: make syntax error report the line where the bug was (obs Jude Shavlik).</li>
<li> FIXED: ok, MkBigInt shouldn't free the bigint.</li>
<li> FIXED: MkBigInt already frees bigint.</li>
<li> FIXED: don't pass a pointer to a mpz_t. (Nuno Fonseca)</li>
<li> FIXED: YENV may be an HW register (could break some tabling code) (Remko Troncon) </li>
<li> FIXED: don't pass a pointer to a mpz_t. (obs Nuno Fonseca)</li>
<li> FIXED: YENV may be an HW register (could break some tabling code)
(obs Remko Troncon) </li>
<li> FIXED: All YAAM instructions are now brackedted, so Op introduced an { and EndOp intr
oduces an }. This is because Ricardo assumes that. </li>
<li> FIXED: compile attvars when COROUTING is undefined. </li>
<li> FIXED: compiler warnings due to c-interface changes</li>.
<li> FIXED: scanner would convert LONG_MIN to bigint, but it can be
represent as a LONG; fixed by using mpz_fits_slong_p (Roberto Bagnara). </li>
<li> FIXED: indexing cut should stop looking after a cut!!!! (Paulo Moura).
represent as a LONG; fixed by using mpz_fits_slong_p (obs Roberto Bagnara). </li>
<li> FIXED: indexing cut should stop looking after a cut!!!! (obs Paulo Moura).
<li> FIXED: mktime was broken in WIN32. </li>
<li> FIXED: don't assume a fixed point for WIN32 memory allocation. </li>
<li> FIXED: don't call goal_expand when looking for handlers of undefined procedures. </li>
@ -151,7 +159,7 @@ discontiguous. </li>
<li> FIXED: save/restore FZ regs. </li>
<li> FIXED: $loop_stream could be defined early in boot process. </li>
<li> NEW: make rational trees default. </li>
<li> NEW: make enable-max-memory default. </li>
v<li> NEW: make enable-max-memory default. </li>
<li> FIXED: allow people to disable indexing (obs Ricardo Lopes). </li>
<li> FIXED: make undefined exception more ISO like (obs Paulo Moura). </li>
<li> FIXED: add missing dependency in chr's Makefile.in. </li>

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@ -10258,9 +10258,10 @@ and it includes four or five fields:
@itemize @bullet
@item
The first two characters are used to point out special states of the
debugger. If the first character is a @code{*}, execution is at a
spy-point. If the second character is a @code{>}, execution has returned
The first three characters are used to point out special states of the
debugger. If the port is exit and the first character is '?', the
current call still has alternatives to be tried. If the second character is a @code{*}, execution is at a
spy-point. If the third character is a @code{>}, execution has returned
either from a skip, a fail or a redo command.
@item
The second field is the activation number, and uniquely identifies the
@ -10343,6 +10344,8 @@ information about @code{write_depth/2} (@pxref{I/O Control}).
@item < - full term
resets to the default of ten the debugger's maximum write depth. For
more information about @code{write_depth/2} (@pxref{I/O Control}).
@item A - alternatives
show the list of backtrack points in the current execution.
@end table
The debugging information, when fast-skip @code{quasi-leap} is used, will

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@ -318,7 +318,8 @@ debugging :-
% we are skipping, so we can just call the goal,
% while leaving the minimal structure in place.
'$loop_spy'(GoalNumber, G, Module, InControl) :-
'$system_catch'('$loop_spy2'(GoalNumber, G, Module, InControl),
CP is '$last_choice_pt',
'$system_catch'('$loop_spy2'(GoalNumber, CP, G, Module, InControl),
Module, Event,
'$loop_spy_event'(Event, GoalNumber, G, Module, InControl)).
@ -357,7 +358,7 @@ debugging :-
'$loop_spy_event'(Event, GoalNumber, G, Module, InControl)).
% if we are in
'$loop_spy2'(GoalNumber, G, Module, InControl) :-
'$loop_spy2'(GoalNumber, CP, G, Module, InControl) :-
/* the following choice point is where the predicate is called */
(
/* call port */
@ -366,10 +367,11 @@ debugging :-
/* go execute the predicate */
(
'$do_not_creep',
'$show_trace'(exit,G,Module,GoalNumber), /* output
message at exit */
'$show_trace'(exit,G,Module,GoalNumber), /* output message at exit */
/* exit port */
'$continue_debugging'
/* get rid of deterministic computations */
('$debugger_deterministic_goal'(G) -> '$cut_by'(CP) ; true),
'$continue_debugging'
;
/* backtracking from exit */
/* we get here when we want to redo a goal */
@ -448,14 +450,15 @@ debugging :-
flush_output(user_error),
recorded('$debug',on,R0), erase(R0),
repeat,
(P = exit, \+ '$debugger_deterministic_goal'(G) -> Det = '?' ; Det = ''),
('$pred_being_spied'(G,Module) -> CSPY = '*' ; CSPY = ' '),
( SL = L -> SLL = '>' ; SLL = ' '),
( recorded('$debug',on, R), erase(R), fail ; true),
( Module\=prolog,
Module\=user ->
format(user_error,"~a~a (~d) ~q: ~a:",[CSPY,SLL,L,P,Module])
format(user_error,"~a~a~a (~d) ~q: ~a:",[Det,CSPY,SLL,L,P,Module])
;
format(user_error,"~a~a (~d) ~q:",[CSPY,SLL,L,P])
format(user_error,"~a~a~a (~d) ~q:",[Det,CSPY,SLL,L,P])
),
'$debugger_write'(user_error,G),
( nonvar(R0), recordaifnot('$debug',on,_), fail ; true),
@ -503,12 +506,16 @@ debugging :-
'$skipeol'(0'^),
fail.
'$action'(0'a,_,_,_,_) :- !, % a abort
'$skipeol'(0'^),
'$skipeol'(0'a),
abort.
'$action'(0'b,_,_,_,_) :- !, % b break
'$skipeol'(0'b),
break,
fail.
'$action'(0'A,_,_,_,_) :- !, % b break
'$skipeol'(0'A),
'$show_choicepoint_stack',
fail.
'$action'(0'c,_,_,_,_) :- !, % c creep
'$set_yap_flags'(10,1),
'$skipeol'(0'c).
@ -618,6 +625,7 @@ debugging :-
format(user_error,"<D depth D < full term~n", []),
format(user_error,"+ spy this - nospy this~n", []),
format(user_error,"^ view subg ^^ view using~n", []),
format(user_error,"A alternatives~n", []),
format(user_error,"! g execute goal~n", []).
'$ilgl'(C) :-
@ -712,3 +720,52 @@ debugging :-
'$delete_if_there'([Q|L], T, [Q|LN]) :-
'$delete_if_there'(L, T, LN).
'$show_choicepoint_stack' :-
'$all_choicepoints'(Cps),
length(Cps,Level),
'$debug_show_cps'(Cps,Level).
'$debug_show_cps'([],_).
'$debug_show_cps'([C|Cps],Level) :-
'$debug_show_cp'(C, Level),
Level1 is Level-1,
'$debug_show_cps'(Cps, Level1).
'$debug_show_cp'(C, Level) :-
'$choicepoint_info'(C,Module,Name,Arity,Goal),
'$continue_debug_show_cp'(Module,Name,Arity,Goal,Level).
'$continue_debug_show_cp'(prolog,'$do_live',0,(_;_),Level) :- !,
format(user_error,' [~d] \'$toplevel\'',[Level]).
'$continue_debug_show_cp'(prolog,'$do_log_upd_clause',4,'$do_log_upd_clause'(_,_,Goal,_),Level) :- !,
format(user_error,' [~d] ~q~n',[Level,Goal]).
'$continue_debug_show_cp'(prolog,'$do_static_clause',5,'$do_static_clause'(_,_,Goal,_,_),Level) :- !,
format(user_error,' [~d] ~q~n',[Level,Goal]).
'$continue_debug_show_cp'(Module,Name,Arity,Goal,_) :-
functor(G0, Name, Arity), fail,
'$hidden_predicate'(G0,Module),
!.
'$continue_debug_show_cp'(Module,Name,Arity,Goal,Level) :-
var(Goal), !,
format(user_error,' [~d] ~q:~q/~d~n',[Level,Module,Name,Arity]).
'$continue_debug_show_cp'(Module,Name,Arity,(V1;V2),Level) :-
var(V1), var(V2), !,
format(user_error,' [~d] ~q:~q/~d: ;/2~n',[Level,Module,Name,Arity]).
'$continue_debug_show_cp'(Module,Name,Arity,G,Level) :-
format(user_error,' [~d] ~q~n',[Level,G]).
'$debugger_deterministic_goal'(G) :-
'$all_choicepoints'(CPs),
'$debugger_check_traces'(CPs,CPs1),
'$debugger_check_loop_spy2'(CPs1,[Catch|_]),
'$choicepoint_info'(Catch,prolog,'$catch',3,'$catch'(_,'$loop_spy_event'(_,_,G,_,_),_)).
'$debugger_check_traces'([CP|CPs],CPs1) :-
'$choicepoint_info'(CP,prolog,'$trace',4,(_;_)), !,
'$debugger_check_traces'(CPs,CPs1).
'$debugger_check_traces'(CPs,CPs).
'$debugger_check_loop_spy2'([CP|CPs],CPs1) :-
'$choicepoint_info'(CP,prolog,'$loop_spy2',5,(_;_)), !,
'$debugger_check_loop_spy2'(CPs,CPs1).
'$debugger_check_loop_spy2'(CPs,CPs).