moe changes to support atomic generation of atoms

support automatic generation of code walker (to find P's predicate and clause)
This commit is contained in:
Vitor Santos Costa
2008-12-24 09:04:44 +00:00
parent f679f21a71
commit b1cf60cafb
14 changed files with 1157 additions and 774 deletions

849
C/cdmgr.c
View File

@@ -3736,6 +3736,129 @@ Yap_PredForCode(yamop *codeptr, find_pred_type where_from, Atom *pat, UInt *pari
return -1;
}
/* intruction blocks we found ourselves at */
static PredEntry *
walk_got_lu_block(LogUpdIndex *cl, CODEADDR *startp, CODEADDR *endp)
{
PredEntry *pp = cl->ClPred;
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
return pp;
}
/* intruction blocks we found ourselves at */
static PredEntry *
walk_got_lu_clause(LogUpdClause *cl, CODEADDR *startp, CODEADDR *endp)
{
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
return cl->ClPred;
}
/* we hit a meta-call, so we don't know what is happening */
static PredEntry *
found_meta_call(CODEADDR *startp, CODEADDR *endp)
{
PredEntry *pp = RepPredProp(Yap_GetPredPropByFunc(FunctorCall, CurrentModule));
*startp = (CODEADDR)&(pp->OpcodeOfPred);
*endp = (CODEADDR)NEXTOP((yamop *)&(pp->OpcodeOfPred),e);
return pp;
}
/* we hit a mega-clause, no point in going on */
static PredEntry *
found_mega_clause(PredEntry *pp, CODEADDR *startp, CODEADDR *endp)
{
MegaClause *mcl = ClauseCodeToMegaClause(pp->cs.p_code.FirstClause);
*startp = (CODEADDR)mcl;
*endp = (CODEADDR)mcl+mcl->ClSize;
return pp;
}
/* we hit a mega-clause, no point in going on */
static PredEntry *
found_idb_clause(yamop *pc, CODEADDR *startp, CODEADDR *endp)
{
LogUpdClause *cl = ClauseCodeToLogUpdClause(pc);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
return cl->ClPred;
}
/* we hit a expand_index, no point in going on */
static PredEntry *
found_expand_index(yamop *pc, CODEADDR *startp, CODEADDR *endp, yamop *codeptr)
{
PredEntry *pp = ((PredEntry *)(Unsigned(pc)-(CELL)(&(((PredEntry *)NULL)->cs.p_code.ExpandCode))));
if (pc == codeptr) {
*startp = (CODEADDR)&(pp->cs.p_code.ExpandCode);
*endp = (CODEADDR)&(pp->cs.p_code.ExpandCode);
}
return pp;
}
/* we hit a expand_index, no point in going on */
static PredEntry *
found_fail(yamop *pc, CODEADDR *startp, CODEADDR *endp)
{
PredEntry *pp = RepPredProp(Yap_GetPredPropByAtom(AtomFail,CurrentModule));
*startp = *endp = (CODEADDR)FAILCODE;
return pp;
}
/* we hit a expand_index, no point in going on */
static PredEntry *
found_owner_op(yamop *pc, CODEADDR *startp, CODEADDR *endp)
{
PredEntry *pp = ((PredEntry *)(Unsigned(pc)-(CELL)(&(((PredEntry *)NULL)->OpcodeOfPred))));
*startp = (CODEADDR)&(pp->OpcodeOfPred);
*endp = (CODEADDR)NEXTOP((yamop *)&(pp->OpcodeOfPred),e);
return pp;
}
static PredEntry *
found_ystop(yamop *pc, int clause_code, CODEADDR *startp, CODEADDR *endp, PredEntry *pp)
{
if (pc == YESCODE) {
pp = RepPredProp(Yap_GetPredPropByAtom(AtomTrue,CurrentModule));
*startp = (CODEADDR)YESCODE;
*endp = (CODEADDR)YESCODE+(CELL)(NEXTOP((yamop *)NULL,e));
return pp;
}
if (!pp) {
/* must be an index */
PredEntry **pep = (PredEntry **)pc->u.l.l;
pp = pep[-1];
}
if (pp->PredFlags & LogUpdatePredFlag) {
if (clause_code) {
LogUpdClause *cl = ClauseCodeToLogUpdClause(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
} else {
LogUpdIndex *cl = ClauseCodeToLogUpdIndex(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
}
} else if (pp->PredFlags & DynamicPredFlag) {
DynamicClause *cl = ClauseCodeToDynamicClause(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
} else {
if (clause_code) {
StaticClause *cl = ClauseCodeToStaticClause(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
} else {
StaticIndex *cl = ClauseCodeToStaticIndex(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
}
}
return pp;
}
static PredEntry *
ClauseInfoForCode(yamop *codeptr, CODEADDR *startp, CODEADDR *endp) {
yamop *pc;
@@ -3750,731 +3873,7 @@ ClauseInfoForCode(yamop *codeptr, CODEADDR *startp, CODEADDR *endp) {
return pp;
}
pc = codeptr;
while (TRUE) {
op_numbers op;
op = Yap_op_from_opcode(pc->opc);
/* C-code, maybe indexing */
switch (op) {
case _Nstop:
return NULL;
case _Ystop:
if (pc == YESCODE) {
pp = RepPredProp(Yap_GetPredPropByAtom(AtomTrue,CurrentModule));
*startp = (CODEADDR)YESCODE;
*endp = (CODEADDR)YESCODE+(CELL)(NEXTOP((yamop *)NULL,e));
return pp;
}
if (!pp) {
/* must be an index */
PredEntry **pep = (PredEntry **)pc->u.l.l;
pp = pep[-1];
}
if (pp->PredFlags & LogUpdatePredFlag) {
if (clause_code) {
LogUpdClause *cl = ClauseCodeToLogUpdClause(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
} else {
LogUpdIndex *cl = ClauseCodeToLogUpdIndex(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
}
} else if (pp->PredFlags & DynamicPredFlag) {
DynamicClause *cl = ClauseCodeToDynamicClause(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
} else {
if (clause_code) {
StaticClause *cl = ClauseCodeToStaticClause(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
} else {
StaticIndex *cl = ClauseCodeToStaticIndex(pc->u.l.l);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
}
}
return pp;
/* instructions type ld */
case _try_me:
case _retry_me:
case _trust_me:
case _profiled_retry_me:
case _profiled_trust_me:
case _count_retry_me:
case _count_trust_me:
case _spy_or_trymark:
case _try_and_mark:
case _profiled_retry_and_mark:
case _count_retry_and_mark:
case _retry_and_mark:
case _try_clause:
case _retry:
case _trust:
#ifdef YAPOR
case _getwork:
case _getwork_seq:
case _sync:
#endif
#ifdef TABLING
case _table_load_answer:
case _table_try_answer:
case _table_try_single:
case _table_try_me:
case _table_retry_me:
case _table_trust_me:
case _table_try:
case _table_retry:
case _table_trust:
case _table_answer_resolution:
case _table_completion:
#endif /* TABLING */
pc = NEXTOP(pc, Otapl);
break;
case _try_logical:
case _retry_logical:
case _count_retry_logical:
case _profiled_retry_logical:
pc = pc->u.OtaLl.n;
break;
case _trust_logical:
case _count_trust_logical:
case _profiled_trust_logical:
{
LogUpdIndex *cl = pc->u.OtILl.block;
pp = cl->ClPred;
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
return pp;
}
case _enter_lu_pred:
{
LogUpdIndex *cl = pc->u.Ills.I;
pp = cl->ClPred;
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
return pp;
}
/* instructions type p */
case _count_call:
case _count_retry:
case _enter_profiling:
case _retry_profiled:
pc = NEXTOP(pc,p);
break;
#if !defined(YAPOR)
case _or_last:
#endif
case _procceed:
case _lock_lu:
pp = pc->u.p.p;
if (pp->PredFlags & MegaClausePredFlag) {
MegaClause *mcl = ClauseCodeToMegaClause(pp->cs.p_code.FirstClause);
*startp = (CODEADDR)mcl;
*endp = (CODEADDR)mcl+mcl->ClSize;
return pp;
}
clause_code = TRUE;
pc = NEXTOP(pc,p);
break;
case _execute:
case _dexecute:
case _execute_cpred:
clause_code = TRUE;
pp = pc->u.pp.p0;
pc = NEXTOP(pc,pp);
break;
case _jump:
case _move_back:
case _skip:
case _jump_if_var:
case _try_in:
case _try_clause2:
case _try_clause3:
case _try_clause4:
case _retry2:
case _retry3:
case _retry4:
case _p_eq:
case _p_dif:
pc = NEXTOP(pc,l);
break;
/* instructions type EC */
case _jump_if_nonvar:
pc = NEXTOP(pc,xll);
break;
/* instructions type EC */
case _alloc_for_logical_pred:
{
LogUpdClause *cl = pc->u.L.ClBase;
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
return cl->ClPred;
}
/* instructions type e */
case _unify_idb_term:
case _copy_idb_term:
{
LogUpdClause *cl = ClauseCodeToLogUpdClause(pc);
*startp = (CODEADDR)cl;
*endp = (CODEADDR)cl+cl->ClSize;
return cl->ClPred;
}
case _deallocate:
pc = NEXTOP(pc,p);
break;
case _cut:
case _cut_t:
case _cut_e:
case _allocate:
case _write_void:
case _write_list:
case _write_l_list:
case _pop:
#ifdef BEAM
case _retry_eam:
#endif
#if THREADS
case _thread_local:
#endif
case _p_equal:
case _p_functor:
case _enter_a_profiling:
case _count_a_call:
case _index_dbref:
case _index_blob:
case _unlock_lu:
#ifdef YAPOR
case _getwork_first_time:
#endif
#ifdef TABLING
case _trie_do_null:
case _trie_trust_null:
case _trie_try_null:
case _trie_retry_null:
case _trie_do_var:
case _trie_trust_var:
case _trie_try_var:
case _trie_retry_var:
case _trie_do_val:
case _trie_trust_val:
case _trie_try_val:
case _trie_retry_val:
case _trie_do_atom:
case _trie_trust_atom:
case _trie_try_atom:
case _trie_retry_atom:
case _trie_do_list:
case _trie_trust_list:
case _trie_try_list:
case _trie_retry_list:
case _trie_do_struct:
case _trie_trust_struct:
case _trie_try_struct:
case _trie_retry_struct:
case _trie_do_extension:
case _trie_trust_extension:
case _trie_try_extension:
case _trie_retry_extension:
case _trie_do_float:
case _trie_trust_float:
case _trie_try_float:
case _trie_retry_float:
case _trie_do_long:
case _trie_trust_long:
case _trie_try_long:
case _trie_retry_long:
#endif /* TABLING */
#ifdef TABLING_INNER_CUTS
case _clause_with_cut:
#endif /* TABLING_INNER_CUTS */
pc = NEXTOP(pc,e);
break;
/* instructions type xp */
case _commit_b_x:
pc = NEXTOP(pc,xp);
break;
/* instructions type x */
case _save_b_x:
case _get_list:
case _put_list:
case _write_x_var:
case _write_x_val:
case _write_x_loc:
pc = NEXTOP(pc,x);
break;
/* instructions type xl */
case _p_atom_x:
case _p_atomic_x:
case _p_integer_x:
case _p_nonvar_x:
case _p_number_x:
case _p_var_x:
case _p_db_ref_x:
case _p_primitive_x:
case _p_compound_x:
case _p_float_x:
case _p_cut_by_x:
pc = NEXTOP(pc,xl);
break;
/* instructions type yp */
case _commit_b_y:
pc = NEXTOP(pc,yp);
break;
/* instructions type y */
case _save_b_y:
case _write_y_var:
case _write_y_val:
case _write_y_loc:
pc = NEXTOP(pc,y);
break;
/* instructions type yl */
case _p_atom_y:
case _p_atomic_y:
case _p_integer_y:
case _p_nonvar_y:
case _p_number_y:
case _p_var_y:
case _p_db_ref_y:
case _p_primitive_y:
case _p_compound_y:
case _p_float_y:
case _p_cut_by_y:
pc = NEXTOP(pc,yl);
break;
/* instructions type Osbpp or Osbmp */
case _p_execute_tail:
case _p_execute:
case _p_execute2:
clause_code = TRUE;
pp = RepPredProp(Yap_GetPredPropByFunc(FunctorCall, CurrentModule));
*startp = (CODEADDR)&(pp->OpcodeOfPred);
*endp = (CODEADDR)NEXTOP((yamop *)&(pp->OpcodeOfPred),e);
return pp;
case _fcall:
case _call:
#ifdef YAPOR
case _or_last:
#endif
clause_code = TRUE;
pp = pc->u.Osbpp.p;
pc = NEXTOP(pc,Osbpp);
break;
/* instructions type Osbpp, but for disjunctions */
case _either:
case _or_else:
clause_code = TRUE;
pp = pc->u.Osblp.p0;
pc = NEXTOP(pc,Osblp);
break;
case _call_cpred:
case _call_usercpred:
clause_code = TRUE;
pp = pc->u.Osbpp.p0;
pc = NEXTOP(pc,Osbpp);
break;
/* instructions type xx */
case _get_x_var:
case _get_x_val:
case _glist_valx:
case _gl_void_varx:
case _gl_void_valx:
case _put_x_var:
case _put_x_val:
pc = NEXTOP(pc,xx);
break;
case _put_xx_val:
pc = NEXTOP(pc,xxxx);
break;
/* instructions type yx */
case _get_y_var:
case _get_y_val:
case _put_y_var:
case _put_y_val:
case _put_unsafe:
pc = NEXTOP(pc,yx);
break;
/* instructions type xd */
case _get_float:
case _put_float:
pc = NEXTOP(pc,xd);
break;
/* instructions type xi */
case _get_longint:
case _put_longint:
pc = NEXTOP(pc,xi);
break;
/* instructions type xc */
case _get_atom:
case _put_atom:
case _get_bigint:
case _get_dbterm:
pc = NEXTOP(pc,xc);
break;
/* instructions type cc */
case _get_2atoms:
pc = NEXTOP(pc,cc);
break;
/* instructions type ccc */
case _get_3atoms:
pc = NEXTOP(pc,ccc);
break;
/* instructions type cccc */
case _get_4atoms:
pc = NEXTOP(pc,cccc);
break;
/* instructions type ccccc */
case _get_5atoms:
pc = NEXTOP(pc,ccccc);
break;
/* instructions type cccccc */
case _get_6atoms:
pc = NEXTOP(pc,cccccc);
break;
/* instructions type xfa */
case _get_struct:
case _put_struct:
pc = NEXTOP(pc,xfa);
break;
/* instructions type xy */
case _glist_valy:
case _gl_void_vary:
case _gl_void_valy:
pc = NEXTOP(pc,xy);
break;
/* instructions type ox */
case _unify_x_var:
case _unify_x_var_write:
case _unify_l_x_var:
case _unify_l_x_var_write:
case _unify_x_val_write:
case _unify_x_val:
case _unify_l_x_val_write:
case _unify_l_x_val:
case _unify_x_loc_write:
case _unify_x_loc:
case _unify_l_x_loc_write:
case _unify_l_x_loc:
case _save_pair_x_write:
case _save_pair_x:
case _save_appl_x_write:
case _save_appl_x:
pc = NEXTOP(pc,ox);
break;
/* instructions type oxx */
case _unify_x_var2:
case _unify_x_var2_write:
case _unify_l_x_var2:
case _unify_l_x_var2_write:
pc = NEXTOP(pc,oxx);
break;
/* instructions type oy */
case _unify_y_var:
case _unify_y_var_write:
case _unify_l_y_var:
case _unify_l_y_var_write:
case _unify_y_val_write:
case _unify_y_val:
case _unify_l_y_val_write:
case _unify_l_y_val:
case _unify_y_loc_write:
case _unify_y_loc:
case _unify_l_y_loc_write:
case _unify_l_y_loc:
case _save_pair_y_write:
case _save_pair_y:
case _save_appl_y_write:
case _save_appl_y:
pc = NEXTOP(pc,oy);
break;
/* instructions type o */
case _unify_void_write:
case _unify_void:
case _unify_l_void_write:
case _unify_l_void:
case _unify_list_write:
case _unify_list:
case _unify_l_list_write:
case _unify_l_list:
pc = NEXTOP(pc,o);
break;
/* instructions type os */
case _unify_n_voids_write:
case _unify_n_voids:
case _unify_l_n_voids_write:
case _unify_l_n_voids:
pc = NEXTOP(pc,os);
break;
/* instructions type od */
case _unify_float:
case _unify_l_float:
case _unify_float_write:
case _unify_l_float_write:
pc = NEXTOP(pc,od);
break;
case _unify_longint:
case _unify_l_longint:
case _unify_longint_write:
case _unify_l_longint_write:
pc = NEXTOP(pc,oi);
break;
/* instructions type oc */
case _unify_atom_write:
case _unify_atom:
case _unify_l_atom_write:
case _unify_l_atom:
case _unify_bigint:
case _unify_l_bigint:
case _unify_dbterm:
case _unify_l_dbterm:
pc = NEXTOP(pc,oc);
break;
/* instructions type osc */
case _unify_n_atoms_write:
case _unify_n_atoms:
pc = NEXTOP(pc,osc);
break;
/* instructions type of */
case _unify_struct_write:
case _unify_struct:
case _unify_l_struc_write:
case _unify_l_struc:
pc = NEXTOP(pc,ofa);
break;
/* instructions type s */
case _write_n_voids:
case _pop_n:
#ifdef BEAM
case _run_eam:
#endif
#ifdef TABLING
case _table_new_answer:
#endif /* TABLING */
pc = NEXTOP(pc,s);
break;
/* instructions type c */
case _write_atom:
pc = NEXTOP(pc,c);
break;
/* instructions type d */
case _write_float:
pc = NEXTOP(pc,d);
break;
/* instructions type i */
case _write_longint:
pc = NEXTOP(pc,i);
break;
/* instructions type sc */
case _write_n_atoms:
pc = NEXTOP(pc,sc);
break;
/* instructions type f */
case _write_struct:
case _write_l_struc:
pc = NEXTOP(pc,fa);
break;
/* instructions type slp */
case _call_c_wfail:
clause_code = TRUE;
pp = pc->u.slp.p;
pc = NEXTOP(pc,slp);
break;
/* instructions type OtapFs */
case _try_c:
case _try_userc:
case _retry_c:
case _retry_userc:
clause_code = TRUE;
pp = pc->u.OtapFs.p;
pc = NEXTOP(pc,OtapFs);
break;
#ifdef CUT_C
case _cut_c:
case _cut_userc:
/* don't need to do nothing here, because this two instructions
are "phantom" instructions. (see: cut_c implementation paper
on PADL 2006) */
break;
#endif
/* instructions type llll */
case _switch_on_type:
pc = NEXTOP(pc,llll);
break;
/* instructions type ollll */
case _switch_list_nl:
pc = NEXTOP(pc,ollll);
break;
/* instructions type xllll */
case _switch_on_arg_type:
pc = NEXTOP(pc,xllll);
break;
/* instructions type sllll */
case _switch_on_sub_arg_type:
pc = NEXTOP(pc,sllll);
break;
/* instructions type clll */
case _if_not_then:
pc = NEXTOP(pc,clll);
break;
/* switch_on_func */
case _switch_on_func:
case _switch_on_cons:
case _go_on_func:
case _go_on_cons:
case _if_func:
case _if_cons:
pc = NEXTOP(pc,sssl);
break;
/* instructions type xxx */
case _p_plus_vv:
case _p_minus_vv:
case _p_times_vv:
case _p_div_vv:
case _p_and_vv:
case _p_or_vv:
case _p_sll_vv:
case _p_slr_vv:
case _p_arg_vv:
case _p_func2s_vv:
case _p_func2f_xx:
clause_code = TRUE;
pc = NEXTOP(pc,xxx);
break;
/* instructions type xxn */
case _p_plus_vc:
case _p_minus_cv:
case _p_times_vc:
case _p_div_cv:
case _p_and_vc:
case _p_or_vc:
case _p_sll_vc:
case _p_slr_vc:
case _p_func2s_vc:
clause_code = TRUE;
pc = NEXTOP(pc,xxn);
break;
case _p_div_vc:
case _p_sll_cv:
case _p_slr_cv:
case _p_arg_cv:
clause_code = TRUE;
pc = NEXTOP(pc,xxn);
break;
case _p_func2s_cv:
clause_code = TRUE;
pc = NEXTOP(pc,xxn);
break;
/* instructions type xxy */
case _p_func2f_xy:
clause_code = TRUE;
pc = NEXTOP(pc,xxy);
break;
/* instructions type yxx */
case _p_plus_y_vv:
case _p_minus_y_vv:
case _p_times_y_vv:
case _p_div_y_vv:
case _p_and_y_vv:
case _p_or_y_vv:
case _p_sll_y_vv:
case _p_slr_y_vv:
case _p_arg_y_vv:
case _p_func2s_y_vv:
case _p_func2f_yx:
clause_code = TRUE;
pc = NEXTOP(pc,yxx);
break;
/* instructions type yyx */
case _p_func2f_yy:
clause_code = TRUE;
pc = NEXTOP(pc,yyx);
break;
/* instructions type yxn */
case _p_plus_y_vc:
case _p_minus_y_cv:
case _p_times_y_vc:
case _p_div_y_vc:
case _p_div_y_cv:
case _p_and_y_vc:
case _p_or_y_vc:
case _p_sll_y_vc:
case _p_slr_y_vc:
case _p_func2s_y_vc:
clause_code = TRUE;
pc = NEXTOP(pc,yxn);
break;
/* instructions type yxn */
case _p_sll_y_cv:
case _p_slr_y_cv:
case _p_arg_y_cv:
clause_code = TRUE;
pc = NEXTOP(pc,yxn);
break;
/* instructions type yxn */
case _p_func2s_y_cv:
clause_code = TRUE;
pc = NEXTOP(pc,yxn);
break;
/* instructions type plxxs */
case _call_bfunc_xx:
clause_code = TRUE;
pc = NEXTOP(pc,plxxs);
break;
/* instructions type plxys */
case _call_bfunc_yx:
case _call_bfunc_xy:
clause_code = TRUE;
pc = NEXTOP(pc,plxys);
break;
/* instructions type plyys */
case _call_bfunc_yy:
clause_code = TRUE;
pc = NEXTOP(pc,plyys);
break;
case _expand_index:
pp = ((PredEntry *)(Unsigned(pc)-(CELL)(&(((PredEntry *)NULL)->cs.p_code.ExpandCode))));
if (pc == codeptr) {
*startp = (CODEADDR)&(pp->cs.p_code.ExpandCode);
*endp = (CODEADDR)&(pp->cs.p_code.ExpandCode);
}
return pp;
case _undef_p:
case _spy_pred:
case _index_pred:
case _lock_pred:
pp = ((PredEntry *)(Unsigned(pc)-(CELL)(&(((PredEntry *)NULL)->OpcodeOfPred))));
*startp = (CODEADDR)&(pp->OpcodeOfPred);
*endp = (CODEADDR)NEXTOP((yamop *)&(pp->OpcodeOfPred),e);
return pp;
case _expand_clauses:
/* expansion points may not be found when following the indices tree */
pp = codeptr->u.sssllp.p;
if (pc == codeptr) {
*startp = (CODEADDR)codeptr;
*endp = (CODEADDR)NEXTOP(codeptr,sssllp);
}
return pp;
case _op_fail:
if (codeptr == FAILCODE) {
pp = RepPredProp(Yap_GetPredPropByAtom(AtomFail,CurrentModule));
*startp = *endp = (CODEADDR)FAILCODE;
return pp;
}
pc = NEXTOP(pc,e);
break;
case _trust_fail:
if (codeptr == TRUSTFAILCODE) {
pp = RepPredProp(Yap_GetPredPropByAtom(AtomFail,CurrentModule));
*startp = *endp = (CODEADDR)TRUSTFAILCODE;
return pp;
}
pc = NEXTOP(pc,e);
break;
}
}
#include "walkclause.h"
return NULL;
}