diogo/yap-6.3
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allow recorded(X,Y,Key_Bound).

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@718 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2002-12-10 00:22:01 +00:00
parent 1db1bb484e
commit 01d2448b34
1 changed files with 89 additions and 30 deletions
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119
C/dbase.c
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@ -227,7 +227,7 @@ STATIC_PROTO(Int p_rcdzifnot, (void));
STATIC_PROTO(Term GetDBTerm, (DBRef));
STATIC_PROTO(DBProp FetchDBPropFromKey, (Term, int, int, char *));
STATIC_PROTO(Int i_log_upd_recorded, (LogUpdDBProp));
STATIC_PROTO(Int i_recorded, (DBProp));
STATIC_PROTO(Int i_recorded, (DBProp,Term));
STATIC_PROTO(Int c_log_upd_recorded, (DBRef *, int));
STATIC_PROTO(Int c_recorded, (int));
STATIC_PROTO(Int in_rded, (void));
@ -2054,6 +2054,32 @@ copy_attachments(CELL *ts)
}
#endif
static Term
GetDBKey(DBRef DBSP)
{
DBProp p = DBSP->Parent;
Term t1, tf;
READ_LOCK(p->DBRWLock);
/* get the key */
if (p->ArityOfDB == 0) {
t1 = MkAtomTerm((Atom)(p->FunctorOfDB));
} else {
t1 = Yap_MkNewApplTerm(p->FunctorOfDB,p->ArityOfDB);
}
if (p->KindOfPE & MkCode) {
Term t[2];
t[1] = Yap_LookupModule(p->ModuleOfDB);
t[2] = t1;
tf = Yap_MkApplTerm(FunctorModule, 2, t);
} else {
tf = t1;
}
READ_UNLOCK(p->DBRWLock);
return(tf);
}
static Term
GetDBTerm(DBRef DBSP)
{
@ -2529,37 +2555,13 @@ p_db_key(void)
/* Finds a term recorded under the key ARG1 */
static Int
i_recorded(DBProp AtProp)
i_recorded(DBProp AtProp, Term t3)
{
Term TermDB, TRef;
Register DBRef ref;
Term t3 = Deref(ARG3);
Term twork;
READ_LOCK(AtProp->DBRWLock);
if (!IsVarTerm(t3)) {
if (!IsDBRefTerm(t3)) {
READ_UNLOCK(AtProp->DBRWLock);
cut_fail();
} else {
DBRef ref0 = DBRefOfTerm(t3);
#ifdef KEEP_OLD_ENTRIES_HANGING_ABOUT
ref = AtProp->FirstNEr;
#else
ref = AtProp->First;
#endif
while (ref != NULL
&& (ref != ref0)) {
ref = NextDBRef(ref);
}
READ_UNLOCK(AtProp->DBRWLock);
if (ref == NULL || DEAD_REF(ref) || !Yap_unify(ARG2,GetDBTerm(ref))) {
cut_fail();
} else {
cut_succeed();
}
}
}
if (AtProp->KindOfPE & 0x1)
return(i_log_upd_recorded((LogUpdDBProp)AtProp));
#ifdef KEEP_OLD_ENTRIES_HANGING_ABOUT
@ -2933,15 +2935,33 @@ in_rded(void)
register choiceptr b0=B;
Register Term twork = Deref(ARG1); /* initially working with
* ARG1 */
Term t3 = Deref(ARG3);
if (!IsVarTerm(t3)) {
if (!IsDBRefTerm(t3)) {
cut_fail();
} else {
DBRef ref = DBRefOfTerm(t3);
LOCK(ref->lock);
if (ref == NULL
|| DEAD_REF(ref)
|| !Yap_unify(ARG2,GetDBTerm(ref))
|| !Yap_unify(ARG1,GetDBKey(ref))) {
UNLOCK(ref->lock);
cut_fail();
} else {
UNLOCK(ref->lock);
cut_succeed();
}
}
}
if (EndOfPAEntr(AtProp = FetchDBPropFromKey(twork, 0, FALSE, "recorded/3"))) {
if (b0 == B)
cut_fail();
else
return(FALSE);
}
return (i_recorded(AtProp));
return (i_recorded(AtProp, t3));
}
/* recorded(+Functor,+Term,-Ref) */
@ -2949,7 +2969,8 @@ static Int
in_rded_with_key(void)
{
DBProp AtProp = (DBProp)IntegerOfTerm(Deref(ARG1));
return (i_recorded(AtProp));
return (i_recorded(AtProp,Deref(ARG3)));
}
static Int
@ -2967,13 +2988,32 @@ in_rdedp(void)
Register Term twork = Deref(ARG1); /* initially working with
* ARG1 */
Term t3 = Deref(ARG3);
if (!IsVarTerm(t3)) {
if (!IsDBRefTerm(t3)) {
cut_fail();
} else {
DBRef ref = DBRefOfTerm(t3);
LOCK(ref->lock);
if (ref == NULL
|| DEAD_REF(ref)
|| !Yap_unify(ARG2,GetDBTerm(ref))
|| !Yap_unify(ARG1,GetDBKey(ref))) {
UNLOCK(ref->lock);
cut_fail();
} else {
UNLOCK(ref->lock);
cut_succeed();
}
}
}
if (EndOfPAEntr(AtProp = FetchDBPropFromKey(twork, MkCode, FALSE, "recorded/3"))) {
if (b0 == B)
cut_fail();
else
return(FALSE);
}
return (i_recorded(AtProp));
return (i_recorded(AtProp,t3));
}
@ -2991,6 +3031,25 @@ p_somercdedp(void)
DBProp AtProp;
Register Term twork = Deref(ARG1); /* initially working with
* ARG1 */
Term t3 = Deref(ARG3);
if (!IsVarTerm(t3)) {
if (!IsDBRefTerm(t3)) {
cut_fail();
} else {
DBRef ref = DBRefOfTerm(t3);
LOCK(ref->lock);
if (ref == NULL
|| DEAD_REF(ref)
|| !Yap_unify(ARG2,GetDBTerm(ref))
|| !Yap_unify(ARG1,GetDBKey(ref))) {
UNLOCK(ref->lock);
cut_fail();
} else {
UNLOCK(ref->lock);
cut_succeed();
}
}
}
if (EndOfPAEntr(AtProp = FetchDBPropFromKey(twork, MkCode, FALSE, "some_recorded/3"))) {
return(FALSE);
}