diogo/yap-6.3
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix bad suspended clause counter

Browse Source 
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1056 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2004-04-29 03:44:04 +00:00
parent de3f73c90d
commit 781c89f4b5
1 changed files with 28 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
C/index.c
View File

@ -11,8 +11,11 @@
* File: index.c *
* comments: Indexing a Prolog predicate *
* *
* Last rev: $Date: 2004-04-27 15:03:43 $,$Author: vsc $ *
* Last rev: $Date: 2004-04-29 03:44:04 $,$Author: vsc $ *
* $Log: not supported by cvs2svn $
* Revision 1.89 2004/04/27 15:03:43 vsc
* more fixes for expand_clauses
*
* Revision 1.88 2004/04/22 03:24:17 vsc
* trust_logical should protect the last clause, otherwise it cannot
* jump there.
@ -2878,7 +2881,7 @@ suspend_indexing(ClauseDef *min, ClauseDef *max, PredEntry *ap, struct intermedi
cint->expand_block->u.sp.s3++;
return (UInt)(cint->expand_block);
}
if (cls < tcls/8 && FALSE) {
if (cls < tcls/8) {
yamop *ncode;
yamop **st;
UInt sz = (UInt)(NEXTOP((yamop *)NULL,sp)+cls*sizeof(yamop *));
@ -5303,24 +5306,30 @@ static yamop *
clean_up_index(LogUpdIndex *blk, yamop **jlbl, PredEntry *ap)
{
yamop *codep = blk->ClCode;
UInt ncls = codep->u.Ill.s;
if (blk->ClFlags & InUseMask) {
/* make a new block */
yamop *new = replace_lu_block(blk, REFRESH, ap, NULL, FALSE);
yamop *new;
if ((new = replace_lu_block(blk, REFRESH, ap, NULL, FALSE)) == NULL) {
/* will be null, if we are in the middle of the current block */
return NULL;
}
if (jlbl)
*jlbl = new;
return new;
} else {
/* work on the current block */
op_numbers op = Yap_op_from_opcode(codep->opc);
UInt ncls;
while (op == _jump_if_nonvar) {
codep = NEXTOP(codep, xl);
op = Yap_op_from_opcode(codep->opc);
}
ncls = codep->u.Ill.s;
codep->opc = Yap_opcode(_enter_lu_pred);
codep->u.Ill.l2 = cp_lu_trychain(codep->u.Ill.l1, codep->u.Ill.l1, codep, REFRESH, ap, NULL, FALSE, blk, ncls, 0);
return codep->u.Ill.l1;
return codep;
}
}
@ -5435,7 +5444,7 @@ inserta_in_lu_block(LogUpdIndex *blk, PredEntry *ap, yamop *code)
if (here->opc == Yap_opcode(_try_clause) && here->u.ld.d == FAILCODE) {
begin->u.Ill.s++;
here->u.ld.d = code;
return begin;
return blk->ClCode;
}
start = NEXTOP(begin,Ill);
here = PREVOP(here, ld);
@ -6126,6 +6135,7 @@ Yap_AddClauseToIndex(PredEntry *ap, yamop *beg, int first) {
}
cint.CurrentPred = ap;
cint.expand_block = NULL;
cint.CodeStart = cint.BlobsStart = cint.cpc = cint.icpc = NIL;
if ((cb = setjmp(cint.CompilerBotch)) == 3) {
restore_machine_regs();
Yap_gcl(Yap_Error_Size, ap->ArityOfPE, ENV, CP);
@ -6636,6 +6646,7 @@ Yap_RemoveClauseFromIndex(PredEntry *ap, yamop *beg) {
struct intermediates cint;
cint.expand_block = NULL;
cint.CodeStart = cint.BlobsStart = cint.cpc = cint.icpc = NIL;
if ((cb = setjmp(cint.CompilerBotch)) == 3) {
restore_machine_regs();
Yap_gcl(Yap_Error_Size, ap->ArityOfPE, ENV, CP);
@ -6895,12 +6906,21 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term Terms[3], yamop *ap_pc, y
}
#else
if (TrailTerm(B->cp_tr-1) == CLREF_TO_TRENTRY(cl) &&
B->cp_tr > B->cp_b->cp_tr) {
B->cp_tr != B->cp_b->cp_tr) {
cl->ClFlags &= ~InUseMask;
/* clear the entry from the trail */
TR = --(B->cp_tr);
/* next, recover space for the indexing code if it was erased */
if (cl->ClFlags & ErasedMask) {
yamop *next = NEXTOP(ipc,l)->u.ld.d;
if (next != FAILCODE) {
LogUpdClause *lcl = ClauseCodeToLogUpdClause(next);
/* make sure we don't erase the clause we are jumping too */
if (lcl->ClRefCount == 1 && !(lcl->ClFlags & InUseMask)) {
lcl->ClFlags |= InUseMask;
TRAIL_CLREF(lcl);
}
}
Yap_ErLogUpdIndex(cl);
}
}