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more indexing fixes

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@871 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2003-09-20 03:06:15 +00:00
parent 0d441d069d
commit f6170508cd
2 changed files with 62 additions and 49 deletions
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75
C/index.c
View File

@ -2797,7 +2797,7 @@ do_consts(GroupDef *grp, Term t, PredEntry *ap, int compound_term, CELL *sreg, U
n = count_consts(grp);
lbl = new_label();
Yap_emit(label_op, lbl, Zero);
cs = emit_cswitch(n, nxtlbl, ap);
cs = emit_cswitch(n, (UInt)FAILCODE, ap);
for (i = 0; i < n; i++) {
AtomSwiEntry *ics;
ClauseDef *max = min;
@ -2866,7 +2866,7 @@ do_funcs(GroupDef *grp, Term t, PredEntry *ap, UInt argno, int first, int last_a
lbl = new_label();
Yap_emit(label_op, lbl, Zero);
/* generate a switch */
fs = emit_fswitch(n, nxtlbl, ap);
fs = emit_fswitch(n, (UInt)FAILCODE, ap);
for (i = 0; i < n ; i++) {
Functor f = (Functor)RepAppl(min->Tag);
FuncSwiEntry *ifs;
@ -3732,7 +3732,7 @@ expand_index(PredEntry *ap) {
/* this is will be used as a new PC */
CELL *top = (CELL *) TR;
UInt arity = 0;
UInt lab, fail_l, clleft, arg0 = 0;
UInt lab, fail_l, clleft, i = 0;
sp = stack = (istack_entry *)top;
labelno = 1;
@ -3842,9 +3842,9 @@ expand_index(PredEntry *ap) {
case _switch_on_type:
t = Deref(ARG1);
argno = 1;
i = 0;
sp = reset_stack(stack);
if (IsVarTerm(t)) {
arg0 = 1;
labp = &(ipc->u.llll.l4);
ipc = ipc->u.llll.l4;
} else if (IsPairTerm(t)) {
@ -3856,7 +3856,6 @@ expand_index(PredEntry *ap) {
sp = push_stack(sp, 1, AbsAppl((CELL *)FunctorOfTerm(t)));
ipc = ipc->u.llll.l3;
} else {
arg0 = 1;
ipc = ipc->u.llll.l2;
}
break;
@ -3864,8 +3863,8 @@ expand_index(PredEntry *ap) {
t = Deref(ARG1);
sp = reset_stack(stack);
argno = 1;
i = 0;
if (IsVarTerm(t)) {
arg0 = 1;
labp = &(ipc->u.ollll.l4);
ipc = ipc->u.ollll.l4;
} else if (IsPairTerm(t)) {
@ -3877,15 +3876,14 @@ expand_index(PredEntry *ap) {
sp = push_stack(sp, 1, AbsAppl((CELL *)FunctorOfTerm(t)));
ipc = ipc->u.ollll.l3;
} else {
arg0 = 1;
ipc = ipc->u.ollll.l2;
}
break;
case _switch_on_arg_type:
argno = arg_from_x(ipc->u.xllll.x);
i = 0;
t = Deref(XREGS[argno]);
if (IsVarTerm(t)) {
arg0 = 1;
labp = &(ipc->u.xllll.l4);
ipc = ipc->u.xllll.l4;
} else if (IsPairTerm(t)) {
@ -3897,33 +3895,29 @@ expand_index(PredEntry *ap) {
sp = push_stack(sp, argno, AbsAppl((CELL *)FunctorOfTerm(t)));
ipc = ipc->u.xllll.l3;
} else {
arg0 = argno;
ipc = ipc->u.xllll.l2;
}
break;
case _switch_on_sub_arg_type:
{
COUNT argno = ipc->u.sllll.s;
t = Deref(s_reg[ipc->u.sllll.s]);
if (argno != arity-1) is_last_arg = FALSE;
t = Deref(s_reg[argno]);
i = ipc->u.sllll.s;
t = Deref(s_reg[i]);
if (i != arity-1) is_last_arg = FALSE;
t = Deref(s_reg[i]);
if (IsVarTerm(t)) {
arg0 = argno+1;
labp = &(ipc->u.sllll.l4);
ipc = ipc->u.sllll.l4;
i++;
} else if (IsPairTerm(t)) {
s_reg = RepPair(t);
sp = push_stack(sp, -argno-1, AbsPair(NULL));
sp = push_stack(sp, -i-1, AbsPair(NULL));
labp = &(ipc->u.sllll.l1);
ipc = ipc->u.sllll.l1;
} else if (IsApplTerm(t)) {
sp = push_stack(sp, -argno-1, AbsAppl((CELL *)FunctorOfTerm(t)));
sp = push_stack(sp, -i-1, AbsAppl((CELL *)FunctorOfTerm(t)));
ipc = ipc->u.sllll.l3;
} else {
arg0 = argno+1;
ipc = ipc->u.sllll.l2;
}
i++;
}
break;
case _if_not_then:
@ -3987,17 +3981,12 @@ expand_index(PredEntry *ap) {
}
break;
case _expand_index:
if (alt != NULL) {
if (ap->PredFlags & LogUpdatePredFlag) {
if (alt != NULL && ap->PredFlags & LogUpdatePredFlag) {
op_numbers fop = Yap_op_from_opcode(alt->opc);
if (fop == _enter_lu_pred)
alt = alt->u.Ill.l1;
if (fop == _trust_logical_pred)
alt = NEXTOP(alt,l);
first = alt->u.ld.d;
} else {
first = PREVOP(alt->u.ld.d,ld);
}
}
ipc = NULL;
break;
@ -4045,6 +4034,8 @@ expand_index(PredEntry *ap) {
} else {
max = install_clauses(cls, ap, stack, first, last);
}
/* don't count last clause if you don't have to */
if (alt && max->Code == last) max--;
if (max < cls && labp != NULL) {
*labp = FAILCODE;
return labp;
@ -4055,7 +4046,7 @@ expand_index(PredEntry *ap) {
!IsVarTerm(sp[-1].val) &&
IsAtomOrIntTerm(sp[-1].val)) {
/* if an atom or int continue from where we stopped */
arg0 = -sp[-1].pos;
i = -sp[-1].pos;
sp[-1].pos = 0;
sp--;
/* we have to put the right masks now */
@ -4069,7 +4060,7 @@ expand_index(PredEntry *ap) {
CodeStart = cpc = NULL;
if (!IsVarTerm(sp[-1].val) && IsPairTerm(sp[-1].val) && sp > stack) {
lab = do_compound_index(cls, max, s_reg, ap, arg0, 2, argno+1, fail_l, isfirstcl, is_last_arg, clleft, top);
lab = do_compound_index(cls, max, s_reg, ap, i, 2, argno+1, fail_l, isfirstcl, is_last_arg, clleft, top);
} else if (!IsVarTerm(sp[-1].val) && IsApplTerm(sp[-1].val) && sp > stack) {
/* we are continuing within a compound term */
Functor f = (Functor)RepAppl(sp[-1].val);
@ -4079,7 +4070,7 @@ expand_index(PredEntry *ap) {
else
lab = do_blob_index(cls, max, t, ap, argno, fail_l, isfirstcl, clleft, top);
} else {
lab = do_compound_index(cls, max, s_reg, ap, arg0, ArityOfFunctor(f), argno, fail_l, isfirstcl, is_last_arg, clleft, top);
lab = do_compound_index(cls, max, s_reg, ap, i, ArityOfFunctor(f), argno, fail_l, isfirstcl, is_last_arg, clleft, top);
}
} else {
if (argno == ap->ArityOfPE) {
@ -4161,6 +4152,8 @@ ExpandIndex(PredEntry *ap) {
#endif
if ((labp = expand_index(ap)) == NULL)
return NULL;
if (*labp == FAILCODE)
return FAILCODE;
#ifdef DEBUG
if (Yap_Option['i' - 'a' + 1]) {
Yap_ShowCode();
@ -5979,6 +5972,8 @@ lu_clause(yamop *ipc)
LogUpdClause *c;
CELL *p = (CELL *)ipc;
if (ipc == FAILCODE)
return NULL;
while ((c = ClauseCodeToLogUpdClause(p))->Id != FunctorDBRef ||
!(c->ClFlags & LogUpdMask) ||
(c->ClFlags & (IndexMask|DynamicMask|SwitchTableMask|SwitchRootMask))) {
@ -6047,14 +6042,14 @@ Yap_follow_lu_indexing_code(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr
switch(op) {
case _try_in:
update_clause_choice_point(NEXTOP(ipc,l), ap_pc);
ipc = ipc->u.l.l;
B->cp_ap = NEXTOP(ipc,ld);
break;
case _try_clause:
if (b0 == NULL)
store_clause_choice_point(t1, tb, tr, NEXTOP(ipc,ld), ap, ap_pc, cp_pc);
else
B->cp_ap = NEXTOP(ipc,ld);
update_clause_choice_point(NEXTOP(ipc,ld), ap_pc);
return lu_clause(ipc->u.ld.d);
case _try_me:
case _try_me1:
@ -6064,7 +6059,7 @@ Yap_follow_lu_indexing_code(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr
if (b0 == NULL)
store_clause_choice_point(t1, tb, tr, ipc->u.ld.d, ap, ap_pc, cp_pc);
else
B->cp_ap = ipc->u.ld.d;
update_clause_choice_point(ipc->u.ld.d, ap_pc);
ipc = NEXTOP(ipc,ld);
break;
case _retry:
@ -6281,8 +6276,12 @@ Yap_follow_lu_indexing_code(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr
case _expand_index:
ipc = ExpandIndex(ap);
break;
case _undef_p:
case _op_fail:
/*
ipc = (yamop *)IntegerOfTerm(B->cp_args[1]);
break;
*/
case _undef_p:
return NULL;
case _index_pred:
case _spy_pred:
@ -6533,6 +6532,15 @@ find_caller(PredEntry *ap, yamop *code) {
break;
case _expand_index:
ipc = alt;
alt = NULL;
break;
case _op_fail:
if (alt == NULL) {
return NULL;
} else {
ipc = alt;
alt = NULL;
}
break;
default:
if (alt == NULL) {
@ -6562,6 +6570,7 @@ Yap_CleanUpIndex(LogUpdIndex *blk)
/* I have to kill this block */
yamop **caller, *new;
caller = find_caller(ap, blk->ClCode);
if (caller == NULL) return NULL;
*caller = new = replace_lu_block(blk, REFRESH, ap, NULL, FALSE);
return new;
} else {

4
C/tracer.c
View File

@ -113,6 +113,10 @@ low_level_trace(yap_low_level_port port, PredEntry *pred, CELL *args)
/* extern int gc_calls; */
vsc_count++;
if (vsc_count < 5264300LL) {
return;
}
if (vsc_count == 5264343LL) vsc_xstop = TRUE;
#ifdef COMMENTED
if (vsc_count < 123536430LL) {
if (vsc_count == 123536441LL) vsc_xstop = 1;