if number of left-over < 1/5 keep list of clauses to expand around
fix call to stack expander git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1030 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc
parent
30c2f0e570
commit
545b12a808
493
C/index.c
493
C/index.c
@ -11,8 +11,11 @@
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* File: index.c *
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* comments: Indexing a Prolog predicate *
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* *
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* Last rev: $Date: 2004-03-25 02:19:10 $,$Author: pmoura $ *
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* Last rev: $Date: 2004-03-31 01:02:18 $,$Author: vsc $ *
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* $Log: not supported by cvs2svn $
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* Revision 1.81 2004/03/25 02:19:10 pmoura
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* Removed debugging line to allow compilation.
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*
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* Revision 1.80 2004/03/19 11:35:42 vsc
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* trim_trail for default machine
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* be more aggressive about try-retry-trust chains.
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@ -481,6 +484,9 @@ has_cut(yamop *pc)
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#endif
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pc = NEXTOP(pc,e);
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break;
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case _expand_clauses:
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pc = NEXTOP(pc,sp);
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break;
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/* instructions type x */
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case _save_b_x:
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case _get_list:
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@ -1630,6 +1636,7 @@ add_info(ClauseDef *clause, UInt regno)
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case _thread_local:
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#endif
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case _expand_index:
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case _expand_clauses:
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case _undef_p:
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case _spy_pred:
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case _p_equal:
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@ -2438,7 +2445,7 @@ emit_switch_space(UInt n, UInt item_size, struct intermediates *cint)
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UInt sz = sizeof(LogUpdIndex)+n*item_size;
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LogUpdIndex *cl = (LogUpdIndex *)Yap_AllocCodeSpace(sz);
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if (cl == NULL) {
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Yap_Error_Size = sizeof(LogUpdIndex)+n*item_size;
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Yap_Error_Size = sz;
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/* grow stack */
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longjmp(cint->CompilerBotch,2);
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}
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@ -2733,6 +2740,31 @@ suspend_indexing(ClauseDef *min, ClauseDef *max, PredEntry *ap)
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return (UInt)&(ap->cs.p_code.ExpandCode);
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}
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static UInt
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suspend_indexing_in_switch(ClauseDef *min, ClauseDef *max, PredEntry *ap)
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{
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UInt tcls = ap->cs.p_code.NOfClauses;
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UInt cls = (max-min)+1;
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yamop *ncode;
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if (cls < tcls/8 &&
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(ncode = (yamop *)Yap_AllocCodeSpace((UInt)(NEXTOP((yamop *)NULL,sp)+cls*sizeof(yamop *))))) {
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/* create an expand_block */
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yamop **st;
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ncode->opc = Yap_opcode(_expand_clauses);
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ncode->u.sp.p = ap;
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ncode->u.sp.s1 = ncode->u.sp.s2 = cls;
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st = (yamop **)NEXTOP(ncode,sp);
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while (min <= max) {
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*st++ = min->Code;
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min++;
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}
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return (UInt)ncode;
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}
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return (UInt)&(ap->cs.p_code.ExpandCode);
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}
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static UInt
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do_var_entries(GroupDef *grp, Term t, struct intermediates *cint, UInt argno, int first, int clleft, UInt nxtlbl){
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@ -2774,11 +2806,11 @@ do_consts(GroupDef *grp, Term t, struct intermediates *cint, int compound_term,
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if (min != max) {
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if (sreg != NULL) {
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if (ap->PredFlags & LogUpdatePredFlag && max > min)
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ics->Label = suspend_indexing(min, max, ap);
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ics->Label = suspend_indexing_in_switch(min, max, ap);
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else
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ics->Label = do_compound_index(min, max, sreg, cint, compound_term, arity, argno+1, nxtlbl, first, last_arg, clleft, top, TRUE);
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} else if (ap->PredFlags & LogUpdatePredFlag) {
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ics->Label = suspend_indexing(min, max, cint->CurrentPred);
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ics->Label = suspend_indexing_in_switch(min, max, cint->CurrentPred);
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} else {
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ics->Label = do_index(min, max, cint, argno+1, nxtlbl, first, clleft, top);
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}
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@ -2812,7 +2844,7 @@ do_blobs(GroupDef *grp, Term t, struct intermediates *cint, UInt argno, int firs
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max != grp->LastClause) max++;
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if (min != max &&
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(ap->PredFlags & LogUpdatePredFlag)) {
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ics->Label = suspend_indexing(min, max, ap);
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ics->Label = suspend_indexing_in_switch(min, max, ap);
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} else {
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ics->Label = do_index(min, max, cint, argno+1, nxtlbl, first, clleft, top);
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}
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@ -3110,12 +3142,11 @@ do_index(ClauseDef *min, ClauseDef* max, struct intermediates *cint, UInt argno,
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found_pvar = cls_info(min, max, argno);
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}
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ngroups = groups_in(min, max, group);
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if (IsVarTerm(t) &&
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max - min > 2 &&
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ap->ModuleOfPred != IDB_MODULE) {
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if (IsVarTerm(t)) {
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lablx = new_label();
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Yap_emit(label_op, lablx, Zero, cint);
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while (IsVarTerm(t)) {
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if (ngroups > 1 || !group->VarClauses)
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Yap_emit(jump_nv_op, (CELL)(&(ap->cs.p_code.ExpandCode)), argno, cint);
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if (argno == ap->ArityOfPE) {
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do_var_clauses(min, max, FALSE, cint, first, clleft, fail_l, argno0);
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@ -3294,7 +3325,7 @@ do_compound_index(ClauseDef *min0, ClauseDef* max0, Term* sreg, struct intermedi
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if (!lu_pred || !done_work)
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*newlabp = do_index(min0, max0, cint, argno+1, fail_l, first, clleft, top);
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else
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*newlabp = suspend_indexing(min0, max0, ap);
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*newlabp = suspend_indexing_in_switch(min0, max0, ap);
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}
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return ret_lab;
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}
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@ -3584,6 +3615,40 @@ install_clauses(ClauseDef *cls, PredEntry *ap, istack_entry *stack, yamop *beg,
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}
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}
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static ClauseDef *
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install_clauseseq(ClauseDef *cls, PredEntry *ap, istack_entry *stack, yamop **beg, yamop **end)
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{
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istack_entry *sp = stack;
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if (stack[0].pos == 0) {
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while (TRUE) {
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if (*beg) {
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cls->Code = cls->CurrentCode = *beg;
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cls->Tag = 0;
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cls++;
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}
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beg++;
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if (beg == end) {
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return cls-1;
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}
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}
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}
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while (TRUE) {
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if (*beg) {
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cls->Code = cls->CurrentCode = *beg;
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sp = install_clause(cls, ap, stack);
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/* we reached a matching clause */
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if (!sp->pos && (sp[-1].val == 0L || cls->Tag == sp[-1].val)) {
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cls++;
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}
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}
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beg++;
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if (beg == end) {
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return cls-1;
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}
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}
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}
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static void
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reinstall_clauses(ClauseDef *cls, ClauseDef *end, PredEntry *ap, istack_entry *stack)
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{
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@ -3672,6 +3737,40 @@ install_log_upd_clauses(ClauseDef *cls, PredEntry *ap, istack_entry *stack, yamo
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}
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}
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static ClauseDef *
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install_log_upd_clauseseq(ClauseDef *cls, PredEntry *ap, istack_entry *stack, yamop **beg, yamop **end)
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{
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istack_entry *sp = stack;
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if (stack[0].pos == 0) {
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while (TRUE) {
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if (beg) {
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cls->Code = cls->CurrentCode = *beg;
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cls->Tag = 0;
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cls++;
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}
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beg++;
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if (beg == end) {
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return cls-1;
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}
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}
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}
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while (TRUE) {
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if (*beg) {
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cls->Code = cls->CurrentCode = *beg;
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sp = install_log_upd_clause(cls, ap, stack);
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/* we reached a matching clause */
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if (!sp->pos && (sp[-1].val == 0L || cls->Tag == sp[-1].val)) {
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cls++;
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}
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}
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beg++;
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if (beg == end) {
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return cls-1;
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}
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}
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}
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static void
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reinstall_log_upd_clauses(ClauseDef *cls, ClauseDef *end, PredEntry *ap, istack_entry *stack)
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{
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@ -4002,15 +4101,15 @@ expand_index(struct intermediates *cint) {
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s_reg = RepAppl(t);
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f = (Functor)(*s_reg++);
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if (op == _switch_on_func) {
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fe = lookup_f_hash(f,ipc->u.sl.l,ipc->u.sl.s);
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fe = lookup_f_hash(f,ipc->u.sssl.l,ipc->u.sssl.s);
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} else {
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fe = lookup_f(f,ipc->u.sl.l,ipc->u.sl.s);
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fe = lookup_f(f,ipc->u.sssl.l,ipc->u.sssl.s);
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}
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newpc = (yamop *)(fe->Label);
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labp = (yamop **)(&(fe->Label));
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if (newpc == (yamop *)&(ap->cs.p_code.ExpandCode)) {
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/* we found it */
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labp = (yamop **)(&(fe->Label));
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ipc = NULL;
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} else {
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ipc = newpc;
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@ -4024,14 +4123,14 @@ expand_index(struct intermediates *cint) {
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AtomSwiEntry *ae;
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if (op == _switch_on_cons) {
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ae = lookup_c_hash(t,ipc->u.sl.l,ipc->u.sl.s);
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ae = lookup_c_hash(t,ipc->u.sssl.l,ipc->u.sssl.s);
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} else {
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ae = lookup_c(t,ipc->u.sl.l,ipc->u.sl.s);
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ae = lookup_c(t,ipc->u.sssl.l,ipc->u.sssl.s);
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}
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labp = (yamop **)(&(ae->Label));
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if (ae->Label == (CELL)&(ap->cs.p_code.ExpandCode)) {
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/* we found it */
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labp = (yamop **)(&(ae->Label));
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ipc = NULL;
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} else {
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ipc = (yamop *)(ae->Label);
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@ -4039,6 +4138,7 @@ expand_index(struct intermediates *cint) {
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}
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break;
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case _expand_index:
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case _expand_clauses:
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if (alt != NULL && ap->PredFlags & LogUpdatePredFlag) {
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op_numbers fop = Yap_op_from_opcode(alt->opc);
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if (fop == _enter_lu_pred)
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@ -4094,6 +4194,24 @@ expand_index(struct intermediates *cint) {
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clleft = count_clauses_left(last,ap);
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}
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if (Yap_op_from_opcode((*labp)->opc) == _expand_clauses) {
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/* ok, we know how many clauses */
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yamop *ipc = *labp;
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COUNT nclauses = ipc->u.sp.s2;
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yamop **clp = (yamop **)NEXTOP(ipc,sp);
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if (cls+2*nclauses > (ClauseDef *)(ASP-4096)) {
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/* tell how much space we need (worst case) */
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Yap_Error_Size += NClauses*sizeof(ClauseDef);
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/* grow stack */
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longjmp(cint->CompilerBotch,3);
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}
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if (ap->PredFlags & LogUpdatePredFlag) {
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max = install_log_upd_clauseseq(cls, ap, stack, clp, clp+nclauses);
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} else {
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max = install_clauseseq(cls, ap, stack, clp, clp+nclauses);
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}
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} else {
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if (cls+2*NClauses > (ClauseDef *)(ASP-4096)) {
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/* tell how much space we need (worst case) */
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Yap_Error_Size += NClauses*sizeof(ClauseDef);
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@ -4105,6 +4223,11 @@ expand_index(struct intermediates *cint) {
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} else {
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max = install_clauses(cls, ap, stack, first, last);
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}
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}
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<<<<<<< index.c
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fprintf(stderr,"expanding %d/%d %d\n",(max-cls)+1,NClauses, (Yap_op_from_opcode((*labp)->opc) == _expand_clauses));
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=======
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>>>>>>> 1.81
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/* don't count last clause if you don't have to */
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if (alt && max->Code == last) max--;
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if (max < cls && labp != NULL) {
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@ -4415,48 +4538,36 @@ pop_path(path_stack_entry **spp, ClauseDef *clp, PredEntry *ap)
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static int
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table_fe_overflow(yamop *pc, Functor f)
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{
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if (pc->u.sl.s <= MIN_HASH_ENTRIES) {
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if (pc->u.sssl.s <= MIN_HASH_ENTRIES) {
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/* we cannot expand otherwise */
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COUNT i;
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FuncSwiEntry *csw = (FuncSwiEntry *)pc->u.sl.l;
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FuncSwiEntry *csw = (FuncSwiEntry *)pc->u.sssl.l;
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for (i=0; i < pc->u.sl.s; i++,csw++) {
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for (i=0; i < pc->u.sssl.s; i++,csw++) {
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if (csw->Tag == f) return FALSE;
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}
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return TRUE;
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} else {
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COUNT i, free = 0, used;
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FuncSwiEntry *fsw = (FuncSwiEntry *)pc->u.sl.l;
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for (i=0; i<pc->u.sl.s; i++,fsw++) {
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if (fsw->Tag == NULL) free++;
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}
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used = pc->u.sl.s-free;
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used += 1+used/4;
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return (!free || pc->u.sl.s/free > 4);
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COUNT free = pc->u.sssl.s-pc->u.sssl.e;
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return (!free || pc->u.sssl.s/free > 4);
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}
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}
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static int
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table_ae_overflow(yamop *pc, Term at)
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{
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if (pc->u.sl.s <= MIN_HASH_ENTRIES) {
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if (pc->u.sssl.s <= MIN_HASH_ENTRIES) {
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/* check if we are already there */
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COUNT i;
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AtomSwiEntry *csw = (AtomSwiEntry *)pc->u.sl.l;
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AtomSwiEntry *csw = (AtomSwiEntry *)pc->u.sssl.l;
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for (i=0; i < pc->u.sl.s; i++,csw++) {
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for (i=0; i < pc->u.sssl.s; i++,csw++) {
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if (csw->Tag == at) return FALSE;
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}
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return TRUE;
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} else {
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COUNT i, free = 0, used;
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AtomSwiEntry *csw = (AtomSwiEntry *)pc->u.sl.l;
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for (i=0; i<pc->u.sl.s; i++,csw++) {
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if (csw->Tag == 0L) free++;
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}
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used = pc->u.sl.s-free;
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used += 1+used/4;
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return (!free || used >= pc->u.sl.s);
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COUNT free = pc->u.sssl.s-pc->u.sssl.e;
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return (!free || pc->u.sssl.s/free > 4);
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}
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}
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@ -4509,16 +4620,16 @@ static AtomSwiEntry *
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expand_ctable(yamop *pc, ClauseUnion *blk, struct intermediates *cint, Term at)
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{
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PredEntry *ap = cint->CurrentPred;
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int n = pc->u.sl.s, i, i0 = n;
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int n = pc->u.sssl.s, i, i0 = n;
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UInt fail_l = Zero;
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AtomSwiEntry *old_ae = (AtomSwiEntry *)(pc->u.sl.l), *target;
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AtomSwiEntry *old_ae = (AtomSwiEntry *)(pc->u.sssl.l), *target;
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if (n > MIN_HASH_ENTRIES) {
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AtomSwiEntry *tmp = old_ae;
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int i;
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n = 1;
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for (i = 0; i < pc->u.sl.s; i++,tmp++) {
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for (i = 0; i < pc->u.sssl.s; i++,tmp++) {
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if (tmp->Tag != Zero) n++;
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else fail_l = tmp->Label;
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}
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@ -4530,20 +4641,20 @@ expand_ctable(yamop *pc, ClauseUnion *blk, struct intermediates *cint, Term at)
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int cases = MIN_HASH_ENTRIES, i, n0;
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n0 = n+1+n/4;
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while (cases < n0) cases *= 2;
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if (cases == pc->u.sl.s) {
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if (cases == pc->u.sssl.s) {
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return fetch_centry(old_ae, at, n-1, n);
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}
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/* initialise */
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target = (AtomSwiEntry *)emit_switch_space(cases, sizeof(AtomSwiEntry), cint);
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pc->opc = Yap_opcode(_switch_on_cons);
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pc->u.sl.s = cases;
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pc->u.sssl.s = cases;
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for (i=0; i<cases; i++) {
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target[i].Tag = Zero;
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target[i].Label = fail_l;
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}
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} else {
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pc->opc = Yap_opcode(_if_cons);
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pc->u.sl.s = n;
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pc->u.sssl.s = n;
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target = (AtomSwiEntry *)emit_switch_space(n+1, sizeof(AtomSwiEntry), cint);
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target[n].Tag = Zero;
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target[n].Label = fail_l;
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@ -4559,8 +4670,8 @@ expand_ctable(yamop *pc, ClauseUnion *blk, struct intermediates *cint, Term at)
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}
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/* support for threads */
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if (blk)
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replace_index_block(blk, pc->u.sl.l, (yamop *)target, ap);
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pc->u.sl.l = (yamop *)target;
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replace_index_block(blk, pc->u.sssl.l, (yamop *)target, ap);
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pc->u.sssl.l = (yamop *)target;
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return fetch_centry(target, at, n-1, n);
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}
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|
||||
@ -4568,16 +4679,16 @@ static FuncSwiEntry *
|
||||
expand_ftable(yamop *pc, ClauseUnion *blk, struct intermediates *cint, Functor f)
|
||||
{
|
||||
PredEntry *ap = cint->CurrentPred;
|
||||
int n = pc->u.sl.s, i, i0 = n;
|
||||
int n = pc->u.sssl.s, i, i0 = n;
|
||||
UInt fail_l = Zero;
|
||||
FuncSwiEntry *old_fe = (FuncSwiEntry *)(pc->u.sl.l), *target;
|
||||
FuncSwiEntry *old_fe = (FuncSwiEntry *)(pc->u.sssl.l), *target;
|
||||
|
||||
if (n > MIN_HASH_ENTRIES) {
|
||||
FuncSwiEntry *tmp = old_fe;
|
||||
int i;
|
||||
|
||||
n = 1;
|
||||
for (i = 0; i < pc->u.sl.s; i++,tmp++) {
|
||||
for (i = 0; i < pc->u.sssl.s; i++,tmp++) {
|
||||
if (tmp->Tag != Zero) n++;
|
||||
else fail_l = tmp->Label;
|
||||
}
|
||||
@ -4590,11 +4701,13 @@ expand_ftable(yamop *pc, ClauseUnion *blk, struct intermediates *cint, Functor f
|
||||
n0 = n+1+n/4;
|
||||
while (cases < n0) cases *= 2;
|
||||
|
||||
if (cases == pc->u.sl.s) {
|
||||
if (cases == pc->u.sssl.s) {
|
||||
return fetch_fentry(old_fe, f, n-1, n);
|
||||
}
|
||||
pc->opc = Yap_opcode(_switch_on_func);
|
||||
pc->u.sl.s = cases;
|
||||
pc->u.sssl.s = cases;
|
||||
pc->u.sssl.e = n;
|
||||
pc->u.sssl.w = 0;
|
||||
/* initialise */
|
||||
target = (FuncSwiEntry *)emit_switch_space(cases, sizeof(FuncSwiEntry), cint);
|
||||
for (i=0; i<cases; i++) {
|
||||
@ -4603,7 +4716,9 @@ expand_ftable(yamop *pc, ClauseUnion *blk, struct intermediates *cint, Functor f
|
||||
}
|
||||
} else {
|
||||
pc->opc = Yap_opcode(_if_func);
|
||||
pc->u.sl.s = n;
|
||||
pc->u.sssl.s = n;
|
||||
pc->u.sssl.e = n;
|
||||
pc->u.sssl.w = 0;
|
||||
target = (FuncSwiEntry *)emit_switch_space(n+1, sizeof(FuncSwiEntry), cint);
|
||||
target[n].Tag = Zero;
|
||||
target[n].Label = fail_l;
|
||||
@ -4617,8 +4732,8 @@ expand_ftable(yamop *pc, ClauseUnion *blk, struct intermediates *cint, Functor f
|
||||
ifs->Label = old_fe->Label;
|
||||
}
|
||||
}
|
||||
replace_index_block(blk, pc->u.sl.l, (yamop *)target, ap);
|
||||
pc->u.sl.l = (yamop *)target;
|
||||
replace_index_block(blk, pc->u.sssl.l, (yamop *)target, ap);
|
||||
pc->u.sssl.l = (yamop *)target;
|
||||
return fetch_fentry(target, f, n-1, n);
|
||||
}
|
||||
|
||||
@ -5199,9 +5314,40 @@ expandz_block(path_stack_entry *sp, PredEntry *ap, ClauseDef *cls, int group1, y
|
||||
return sp;
|
||||
}
|
||||
|
||||
static LogUpdClause *
|
||||
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))) {
|
||||
p--;
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
static StaticClause *
|
||||
static_clause(yamop *ipc)
|
||||
{
|
||||
StaticClause *c;
|
||||
CELL *p = (CELL *)ipc;
|
||||
|
||||
if (ipc == FAILCODE)
|
||||
return NULL;
|
||||
while ((c = ClauseCodeToStaticClause(p))->Id != FunctorDBRef ||
|
||||
(c->ClFlags & (LogUpdMask|IndexMask|DynamicMask|SwitchTableMask|SwitchRootMask))) {
|
||||
p--;
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
/* this code should be called when we jumped to clauses */
|
||||
static path_stack_entry *
|
||||
kill_unsafe_block(path_stack_entry *sp, op_numbers op, PredEntry *ap)
|
||||
path_stack_entry *
|
||||
kill_unsafe_block(path_stack_entry *sp, op_numbers op, PredEntry *ap, int first, int remove, ClauseDef *cls)
|
||||
{
|
||||
yamop *ipc;
|
||||
while ((--sp)->flag != block_entry);
|
||||
@ -5210,13 +5356,102 @@ kill_unsafe_block(path_stack_entry *sp, op_numbers op, PredEntry *ap)
|
||||
ipc = *sp->u.cle.entry_code;
|
||||
if (Yap_op_from_opcode(ipc->opc) == op) {
|
||||
/* the new block was the current clause */
|
||||
*sp->u.cle.entry_code = (yamop *)&(ap->cs.p_code.ExpandCode);
|
||||
ClauseDef cld[2];
|
||||
|
||||
if (remove) {
|
||||
*sp->u.cle.entry_code = FAILCODE;
|
||||
return sp;
|
||||
}
|
||||
if (ap->PredFlags & LogUpdatePredFlag) {
|
||||
LogUpdClause *lc = lu_clause(ipc);
|
||||
if (first) {
|
||||
cld[0].Code = lc->ClCode;
|
||||
cld[1].Code = cls[0].Code;
|
||||
} else {
|
||||
cld[0].Code = cls[0].Code;
|
||||
cld[1].Code = lc->ClCode;
|
||||
}
|
||||
} else {
|
||||
StaticClause *lc = static_clause(ipc);
|
||||
if (first) {
|
||||
cld[0].Code = lc->ClCode;
|
||||
cld[1].Code = cls[0].Code;
|
||||
} else {
|
||||
cld[0].Code = cls[0].Code;
|
||||
cld[1].Code = lc->ClCode;
|
||||
}
|
||||
}
|
||||
*sp->u.cle.entry_code = (yamop *)suspend_indexing_in_switch(cld, cld+1, ap);
|
||||
return sp;
|
||||
}
|
||||
/* we didn't have protection, should kill now */
|
||||
return kill_block(sp+1, ap);
|
||||
}
|
||||
|
||||
/* this code should be called when we jumped to clauses */
|
||||
static yamop *
|
||||
add_to_expand_clauses(path_stack_entry **spp, yamop *ipc, ClauseDef *cls, PredEntry *ap, int first)
|
||||
{
|
||||
path_stack_entry *sp = *spp;
|
||||
yamop **clar = (yamop **)NEXTOP(ipc,sp);
|
||||
|
||||
while ((--sp)->flag != block_entry);
|
||||
if (first) {
|
||||
if (*clar == NULL) {
|
||||
while (*clar++ == NULL);
|
||||
clar[-1] = cls->Code;
|
||||
ipc->u.sp.s2++;
|
||||
return pop_path(spp, cls, ap);
|
||||
}
|
||||
} else {
|
||||
clar += ipc->u.sp.s1;
|
||||
while (*--clar == NULL);
|
||||
if (clar[0] == NULL) {
|
||||
clar[0] = cls->Code;
|
||||
ipc->u.sp.s2++;
|
||||
return pop_path(spp, cls, ap);
|
||||
}
|
||||
}
|
||||
if (sp->u.cle.entry_code) {
|
||||
*sp->u.cle.entry_code = (yamop *)&(ap->cs.p_code.ExpandCode);
|
||||
}
|
||||
*spp = sp;
|
||||
Yap_FreeCodeSpace((char *)ipc);
|
||||
return (yamop *)&(ap->cs.p_code.ExpandCode);
|
||||
}
|
||||
|
||||
/* this code should be called when we jumped to clauses */
|
||||
static void
|
||||
nullify_expand_clause(yamop *ipc, path_stack_entry *sp, ClauseDef *cls)
|
||||
{
|
||||
yamop **st = (yamop **)NEXTOP(ipc,sp);
|
||||
if (ipc->u.sp.s2 == 2) {
|
||||
yamop *cl;
|
||||
|
||||
while ((--sp)->flag != block_entry);
|
||||
while (TRUE) {
|
||||
if (*st && *st != cls->Code) {
|
||||
cl = *st;
|
||||
break;
|
||||
}
|
||||
st++;
|
||||
}
|
||||
if (sp->u.cle.entry_code) {
|
||||
*sp->u.cle.entry_code = cl;
|
||||
}
|
||||
Yap_FreeCodeSpace((char *)ipc);
|
||||
} else {
|
||||
ipc->u.sp.s2--;
|
||||
while (TRUE) {
|
||||
if (*st && *st == cls->Code) {
|
||||
*st = NULL;
|
||||
return;
|
||||
}
|
||||
st++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
add_to_index(struct intermediates *cint, int first, path_stack_entry *sp, ClauseDef *cls) {
|
||||
@ -5546,9 +5781,9 @@ add_to_index(struct intermediates *cint, int first, path_stack_entry *sp, Clause
|
||||
Functor f = (Functor)RepAppl(cls->Tag);
|
||||
|
||||
if (op == _switch_on_func) {
|
||||
fe = lookup_f_hash(f, ipc->u.sl.l, ipc->u.sl.s);
|
||||
fe = lookup_f_hash(f, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
} else {
|
||||
fe = lookup_f(f, ipc->u.sl.l, ipc->u.sl.s);
|
||||
fe = lookup_f(f, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
}
|
||||
if (!IsExtensionFunctor(f)) {
|
||||
current_arity = ArityOfFunctor(f);
|
||||
@ -5562,7 +5797,7 @@ add_to_index(struct intermediates *cint, int first, path_stack_entry *sp, Clause
|
||||
/* oops, nothing there */
|
||||
if (fe->Tag != f) {
|
||||
if (IsExtensionFunctor(f)) {
|
||||
sp = kill_unsafe_block(sp, op, ap);
|
||||
sp = kill_unsafe_block(sp, op, ap, first, FALSE, cls);
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
break;
|
||||
}
|
||||
@ -5570,12 +5805,13 @@ add_to_index(struct intermediates *cint, int first, path_stack_entry *sp, Clause
|
||||
fe = expand_ftable(ipc, current_block(sp), cint, f);
|
||||
}
|
||||
fe->Tag = f;
|
||||
ipc->u.sssl.e++;
|
||||
}
|
||||
fe->Label = (UInt)cls->CurrentCode;
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
} else {
|
||||
yamop *newpc = (yamop *)(fe->Label);
|
||||
sp = fetch_new_block(sp, &(ipc->u.sl.l), ap);
|
||||
sp = fetch_new_block(sp, &(ipc->u.sssl.l), ap);
|
||||
sp = cross_block(sp, (yamop **)&(fe->Label), ap);
|
||||
ipc = newpc;
|
||||
}
|
||||
@ -5598,9 +5834,9 @@ add_to_index(struct intermediates *cint, int first, path_stack_entry *sp, Clause
|
||||
Term at = cls->Tag;
|
||||
|
||||
if (op == _switch_on_cons) {
|
||||
ae = lookup_c_hash(at,ipc->u.sl.l,ipc->u.sl.s);
|
||||
ae = lookup_c_hash(at,ipc->u.sssl.l,ipc->u.sssl.s);
|
||||
} else {
|
||||
ae = lookup_c(at, ipc->u.sl.l, ipc->u.sl.s);
|
||||
ae = lookup_c(at, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
}
|
||||
newpc = (yamop *)(ae->Label);
|
||||
|
||||
@ -5614,17 +5850,22 @@ add_to_index(struct intermediates *cint, int first, path_stack_entry *sp, Clause
|
||||
ae = expand_ctable(ipc, current_block(sp), cint, at);
|
||||
}
|
||||
ae->Tag = at;
|
||||
ipc->u.sssl.e++;
|
||||
}
|
||||
ae->Label = (UInt)cls->CurrentCode;
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
} else {
|
||||
yamop *newpc = (yamop *)(ae->Label);
|
||||
sp = fetch_new_block(sp, &(ipc->u.sl.l), ap);
|
||||
|
||||
sp = fetch_new_block(sp, &(ipc->u.sssl.l), ap);
|
||||
sp = cross_block(sp, (yamop **)&(ae->Label), ap);
|
||||
ipc = newpc;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case _expand_clauses:
|
||||
ipc = add_to_expand_clauses(&sp, ipc, cls, ap, first);
|
||||
break;
|
||||
case _expand_index:
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
break;
|
||||
@ -5635,7 +5876,7 @@ add_to_index(struct intermediates *cint, int first, path_stack_entry *sp, Clause
|
||||
ipc = NEXTOP(ipc,e);
|
||||
break;
|
||||
default:
|
||||
sp = kill_unsafe_block(sp, op, ap);
|
||||
sp = kill_unsafe_block(sp, op, ap, first, FALSE, cls);
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
}
|
||||
}
|
||||
@ -5735,13 +5976,13 @@ Yap_AddClauseToIndex(PredEntry *ap, yamop *beg, int first) {
|
||||
|
||||
static void
|
||||
contract_ftable(yamop *ipc, ClauseUnion *blk, PredEntry *ap, Functor f) {
|
||||
int n = ipc->u.sl.s;
|
||||
int n = ipc->u.sssl.s;
|
||||
FuncSwiEntry *fep;
|
||||
|
||||
if (n > MIN_HASH_ENTRIES) {
|
||||
fep = lookup_f_hash(f, ipc->u.sl.l, n);
|
||||
fep = lookup_f_hash(f, ipc->u.sssl.l, n);
|
||||
} else {
|
||||
fep = (FuncSwiEntry *)(ipc->u.sl.l);
|
||||
fep = (FuncSwiEntry *)(ipc->u.sssl.l);
|
||||
while (fep->Tag != f) fep++;
|
||||
}
|
||||
fep->Label = (CELL)FAILCODE;
|
||||
@ -5749,13 +5990,13 @@ contract_ftable(yamop *ipc, ClauseUnion *blk, PredEntry *ap, Functor f) {
|
||||
|
||||
static void
|
||||
contract_ctable(yamop *ipc, ClauseUnion *blk, PredEntry *ap, Term at) {
|
||||
int n = ipc->u.sl.s;
|
||||
int n = ipc->u.sssl.s;
|
||||
AtomSwiEntry *cep;
|
||||
|
||||
if (n > MIN_HASH_ENTRIES) {
|
||||
cep = lookup_c_hash(at, ipc->u.sl.l, n);
|
||||
cep = lookup_c_hash(at, ipc->u.sssl.l, n);
|
||||
} else {
|
||||
cep = (AtomSwiEntry *)(ipc->u.sl.l);
|
||||
cep = (AtomSwiEntry *)(ipc->u.sssl.l);
|
||||
while (cep->Tag != at) cep++;
|
||||
}
|
||||
cep->Label = (CELL)FAILCODE;
|
||||
@ -6065,9 +6306,9 @@ remove_from_index(PredEntry *ap, path_stack_entry *sp, ClauseDef *cls, yamop *bg
|
||||
Functor f = (Functor)RepAppl(cls->Tag);
|
||||
|
||||
if (op == _switch_on_func) {
|
||||
fe = lookup_f_hash(f, ipc->u.sl.l, ipc->u.sl.s);
|
||||
fe = lookup_f_hash(f, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
} else {
|
||||
fe = lookup_f(f, ipc->u.sl.l, ipc->u.sl.s);
|
||||
fe = lookup_f(f, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
}
|
||||
if (!IsExtensionFunctor(f)) {
|
||||
current_arity = ArityOfFunctor(f);
|
||||
@ -6085,7 +6326,7 @@ remove_from_index(PredEntry *ap, path_stack_entry *sp, ClauseDef *cls, yamop *bg
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
} else {
|
||||
yamop *newpc = (yamop *)(fe->Label);
|
||||
sp = fetch_new_block(sp, &(ipc->u.sl.l), ap);
|
||||
sp = fetch_new_block(sp, &(ipc->u.sssl.l), ap);
|
||||
sp = cross_block(sp, (yamop **)&(fe->Label), ap);
|
||||
ipc = newpc;
|
||||
}
|
||||
@ -6108,9 +6349,9 @@ remove_from_index(PredEntry *ap, path_stack_entry *sp, ClauseDef *cls, yamop *bg
|
||||
Term at = cls->Tag;
|
||||
|
||||
if (op == _switch_on_cons) {
|
||||
ae = lookup_c_hash(at,ipc->u.sl.l,ipc->u.sl.s);
|
||||
ae = lookup_c_hash(at,ipc->u.sssl.l,ipc->u.sssl.s);
|
||||
} else {
|
||||
ae = lookup_c(at, ipc->u.sl.l, ipc->u.sl.s);
|
||||
ae = lookup_c(at, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
}
|
||||
newpc = (yamop *)(ae->Label);
|
||||
|
||||
@ -6126,7 +6367,7 @@ remove_from_index(PredEntry *ap, path_stack_entry *sp, ClauseDef *cls, yamop *bg
|
||||
} else {
|
||||
yamop *newpc = (yamop *)(ae->Label);
|
||||
|
||||
sp = fetch_new_block(sp, &(ipc->u.sl.l), ap);
|
||||
sp = fetch_new_block(sp, &(ipc->u.sssl.l), ap);
|
||||
sp = cross_block(sp, (yamop **)&(ae->Label), ap);
|
||||
ipc = newpc;
|
||||
}
|
||||
@ -6135,6 +6376,10 @@ remove_from_index(PredEntry *ap, path_stack_entry *sp, ClauseDef *cls, yamop *bg
|
||||
case _expand_index:
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
break;
|
||||
case _expand_clauses:
|
||||
nullify_expand_clause(ipc, sp, cls);
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
break;
|
||||
case _lock_lu:
|
||||
ipc = NEXTOP(ipc,p);
|
||||
break;
|
||||
@ -6143,7 +6388,7 @@ remove_from_index(PredEntry *ap, path_stack_entry *sp, ClauseDef *cls, yamop *bg
|
||||
break;
|
||||
default:
|
||||
if (IN_BETWEEN(bg,ipc,lt)) {
|
||||
sp = kill_unsafe_block(sp, op, ap);
|
||||
sp = kill_unsafe_block(sp, op, ap, TRUE, TRUE, cls);
|
||||
}
|
||||
ipc = pop_path(&sp, cls, ap);
|
||||
}
|
||||
@ -6256,37 +6501,6 @@ Yap_RemoveClauseFromIndex(PredEntry *ap, yamop *beg) {
|
||||
}
|
||||
|
||||
|
||||
static LogUpdClause *
|
||||
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))) {
|
||||
p--;
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
static LogUpdClause *
|
||||
static_clause(yamop *ipc)
|
||||
{
|
||||
StaticClause *c;
|
||||
CELL *p = (CELL *)ipc;
|
||||
|
||||
if (ipc == FAILCODE)
|
||||
return NULL;
|
||||
while ((c = ClauseCodeToStaticClause(p))->Id != FunctorDBRef ||
|
||||
(c->ClFlags & (LogUpdMask|IndexMask|DynamicMask|SwitchTableMask|SwitchRootMask))) {
|
||||
p--;
|
||||
}
|
||||
return (LogUpdClause *)c;
|
||||
}
|
||||
|
||||
static void
|
||||
store_clause_choice_point(Term t1, Term tb, Term tr, yamop *ipc, PredEntry *pe, yamop *ap_pc, yamop *cp_pc)
|
||||
{
|
||||
@ -6334,11 +6548,11 @@ to_clause(yamop *ipc, PredEntry *ap)
|
||||
if (ap->PredFlags & LogUpdatePredFlag)
|
||||
return lu_clause(ipc);
|
||||
else
|
||||
return static_clause(ipc);
|
||||
return (LogUpdClause *)static_clause(ipc);
|
||||
}
|
||||
|
||||
LogUpdClause *
|
||||
Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yamop *ap_pc, yamop *cp_pc)
|
||||
Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term Terms[3], yamop *ap_pc, yamop *cp_pc)
|
||||
{
|
||||
CELL *s_reg = NULL;
|
||||
Term t = TermNil;
|
||||
@ -6349,7 +6563,7 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
|
||||
if (ap->ModuleOfPred != IDB_MODULE) {
|
||||
if (ap->ArityOfPE) {
|
||||
CELL *tar = RepAppl(t1);
|
||||
CELL *tar = RepAppl(Terms[0]);
|
||||
UInt i;
|
||||
|
||||
for (i = 1; i <= ap->ArityOfPE; i++) {
|
||||
@ -6367,24 +6581,24 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
if (lu_pred)
|
||||
return lu_clause(ipc->u.l.l);
|
||||
else
|
||||
return static_clause(ipc->u.l.l);
|
||||
return (LogUpdClause *)static_clause(ipc->u.l.l);
|
||||
break;
|
||||
case _try_clause:
|
||||
if (b0 == NULL)
|
||||
store_clause_choice_point(t1, tb, tr, NEXTOP(ipc,ld), ap, ap_pc, cp_pc);
|
||||
store_clause_choice_point(Terms[0], Terms[1], Terms[2], NEXTOP(ipc,ld), ap, ap_pc, cp_pc);
|
||||
else
|
||||
update_clause_choice_point(NEXTOP(ipc,ld), ap_pc);
|
||||
if (lu_pred)
|
||||
return lu_clause(ipc->u.ld.d);
|
||||
else
|
||||
return static_clause(ipc->u.ld.d);
|
||||
return (LogUpdClause *)static_clause(ipc->u.ld.d);
|
||||
case _try_me:
|
||||
case _try_me1:
|
||||
case _try_me2:
|
||||
case _try_me3:
|
||||
case _try_me4:
|
||||
if (b0 == NULL)
|
||||
store_clause_choice_point(t1, tb, tr, ipc->u.ld.d, ap, ap_pc, cp_pc);
|
||||
store_clause_choice_point(Terms[0], Terms[1], Terms[2], ipc->u.ld.d, ap, ap_pc, cp_pc);
|
||||
else
|
||||
update_clause_choice_point(ipc->u.ld.d, ap_pc);
|
||||
ipc = NEXTOP(ipc,ld);
|
||||
@ -6398,7 +6612,7 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
if (lu_pred)
|
||||
return lu_clause(ipc->u.ld.d);
|
||||
else
|
||||
return static_clause(ipc->u.ld.d);
|
||||
return (LogUpdClause *)static_clause(ipc->u.ld.d);
|
||||
case _retry_me:
|
||||
case _retry_me1:
|
||||
case _retry_me2:
|
||||
@ -6420,7 +6634,7 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
if (lu_pred)
|
||||
return lu_clause(ipc->u.ld.d);
|
||||
else
|
||||
return static_clause(ipc->u.ld.d);
|
||||
return (LogUpdClause *)static_clause(ipc->u.ld.d);
|
||||
case _profiled_trust_me:
|
||||
case _trust_me:
|
||||
case _count_trust_me:
|
||||
@ -6478,9 +6692,9 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
yamop *nipc = clean_up_index(ipc->u.Ill.I, jlbl, ap);
|
||||
if (nipc == NULL) {
|
||||
/* not enough space */
|
||||
H[0] = t1;
|
||||
H[1] = tb;
|
||||
H[2] = tr;
|
||||
H[0] = Terms[0];
|
||||
H[1] = Terms[1];
|
||||
H[2] = Terms[2];
|
||||
H += 3;
|
||||
if (!Yap_growheap(FALSE, Yap_Error_Size, NULL)) {
|
||||
UNLOCK(ap->PELock);
|
||||
@ -6488,9 +6702,9 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
return NULL;
|
||||
}
|
||||
H -= 3;
|
||||
t1 = H[0];
|
||||
tb = H[1];
|
||||
tr = H[2];
|
||||
Terms[0] = H[0];
|
||||
Terms[1] = H[1];
|
||||
Terms[2] = H[2];
|
||||
} else {
|
||||
UNLOCK(ap->PELock);
|
||||
ipc = nipc;
|
||||
@ -6636,9 +6850,9 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
f = (Functor)s_reg[0];
|
||||
s_reg++;
|
||||
if (op == _switch_on_func) {
|
||||
fe = lookup_f_hash(f, ipc->u.sl.l, ipc->u.sl.s);
|
||||
fe = lookup_f_hash(f, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
} else {
|
||||
fe = lookup_f(f, ipc->u.sl.l, ipc->u.sl.s);
|
||||
fe = lookup_f(f, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
}
|
||||
jlbl = (yamop **)(&fe->Label);
|
||||
ipc = (yamop *)(fe->Label);
|
||||
@ -6659,15 +6873,22 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
AtomSwiEntry *ae;
|
||||
|
||||
if (op == _switch_on_cons) {
|
||||
ae = lookup_c_hash(t, ipc->u.sl.l, ipc->u.sl.s);
|
||||
ae = lookup_c_hash(t, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
} else {
|
||||
ae = lookup_c(t, ipc->u.sl.l, ipc->u.sl.s);
|
||||
ae = lookup_c(t, ipc->u.sssl.l, ipc->u.sssl.s);
|
||||
}
|
||||
jlbl = (yamop **)(&ae->Label);
|
||||
ipc = (yamop *)(ae->Label);
|
||||
}
|
||||
break;
|
||||
case _expand_index:
|
||||
case _expand_clauses:
|
||||
*H++ = (CELL)s_reg;
|
||||
*H++ = t;
|
||||
H[0] = Terms[0];
|
||||
H[1] = Terms[1];
|
||||
H[2] = Terms[2];
|
||||
H += 3;
|
||||
#if defined(YAPOR) || defined(THREADS)
|
||||
LOCK(ap->PELock);
|
||||
if (*jlbl != ipc) {
|
||||
@ -6678,6 +6899,12 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
#endif
|
||||
ipc = ExpandIndex(ap);
|
||||
UNLOCK(ap->PELock);
|
||||
H -= 3;
|
||||
Terms[0] = H[0];
|
||||
Terms[1] = H[1];
|
||||
Terms[2] = H[2];
|
||||
t = *--H;
|
||||
s_reg = (CELL *)(*--H);
|
||||
break;
|
||||
case _op_fail:
|
||||
/*
|
||||
@ -6718,7 +6945,7 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term t1, Term tb, Term tr, yam
|
||||
if (lu_pred)
|
||||
return lu_clause(ipc);
|
||||
else
|
||||
return static_clause(ipc);
|
||||
return (LogUpdClause *)static_clause(ipc);
|
||||
}
|
||||
}
|
||||
if (b0) {
|
||||
@ -6896,6 +7123,7 @@ Yap_NthClause(PredEntry *ap, Int ncls)
|
||||
ipc = ipc->u.clll.l3;
|
||||
break;
|
||||
case _expand_index:
|
||||
case _expand_clauses:
|
||||
#if defined(YAPOR) || defined(THREADS)
|
||||
LOCK(ap->PELock);
|
||||
if (*jlbl != (yamop *)&(ap->cs.p_code.ExpandCode)) {
|
||||
@ -7100,9 +7328,9 @@ find_caller(PredEntry *ap, yamop *code) {
|
||||
s_reg = RepAppl(t);
|
||||
f = (Functor)(*s_reg++);
|
||||
if (op == _switch_on_func) {
|
||||
fe = lookup_f_hash(f,ipc->u.sl.l,ipc->u.sl.s);
|
||||
fe = lookup_f_hash(f,ipc->u.sssl.l,ipc->u.sssl.s);
|
||||
} else {
|
||||
fe = lookup_f(f,ipc->u.sl.l,ipc->u.sl.s);
|
||||
fe = lookup_f(f,ipc->u.sssl.l,ipc->u.sssl.s);
|
||||
}
|
||||
newpc = (yamop *)(fe->Label);
|
||||
|
||||
@ -7124,9 +7352,9 @@ find_caller(PredEntry *ap, yamop *code) {
|
||||
yamop *newpc;
|
||||
|
||||
if (op == _switch_on_cons) {
|
||||
ae = lookup_c_hash(t,ipc->u.sl.l,ipc->u.sl.s);
|
||||
ae = lookup_c_hash(t,ipc->u.sssl.l,ipc->u.sssl.s);
|
||||
} else {
|
||||
ae = lookup_c(t,ipc->u.sl.l,ipc->u.sl.s);
|
||||
ae = lookup_c(t,ipc->u.sssl.l,ipc->u.sssl.s);
|
||||
}
|
||||
|
||||
newpc = (yamop *)(ae->Label);
|
||||
@ -7143,6 +7371,7 @@ find_caller(PredEntry *ap, yamop *code) {
|
||||
}
|
||||
break;
|
||||
case _expand_index:
|
||||
case _expand_clauses:
|
||||
ipc = alt;
|
||||
alt = NULL;
|
||||
break;
|
||||
|
||||
Reference in New Issue
Block a user