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fix current_predicate

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@587 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2002-09-13 21:30:06 +00:00
parent e801069a19
commit 2fff206939
2 changed files with 25 additions and 4 deletions
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18
C/stdpreds.c
View File

@ -111,8 +111,14 @@ static Int
p_value(void)
{ /* '$get_value'(+Atom,?Val) */
Term t1 = Deref(ARG1);
if (!IsAtomTerm(t1))
if (IsVarTerm(t1)) {
Error(INSTANTIATION_ERROR,t1,"get_value/2");
return (FALSE);
}
if (!IsAtomTerm(t1)) {
Error(TYPE_ERROR_ATOM,t1,"get_value/2");
return (FALSE);
}
return (unify_constant(ARG2, GetValue(AtomOfTerm(t1))));
}
@ -122,8 +128,14 @@ p_values(void)
{ /* '$values'(Atom,Old,New) */
Term t1 = Deref(ARG1), t3 = Deref(ARG3);
if (!IsAtomTerm(t1))
if (IsVarTerm(t1)) {
Error(INSTANTIATION_ERROR,t1,"set_value/2");
return (FALSE);
}
if (!IsAtomTerm(t1)) {
Error(TYPE_ERROR_ATOM,t1,"set_value/2");
return (FALSE);
}
if (!unify_constant(ARG2, GetValue(AtomOfTerm(t1))))
return (FALSE);
if (!IsVarTerm(t3)) {
@ -1399,10 +1411,8 @@ static Int
init_current_predicate(void)
{
Term t1 = Deref(ARG1);
Term t2 = Deref(ARG2);
if (IsVarTerm(t1) || !IsAtomTerm(t1)) cut_fail();
if (IsVarTerm(t2) || !IsAtomTerm(t2)) cut_fail();
EXTRA_CBACK_ARG(3,1) = MkIntegerTerm((Int)ModulePred[LookupModule(t1)]);
return (cont_current_predicate());
}

11
C/userpreds.c
View File

@ -702,6 +702,15 @@ p_softfunctor()
#endif /* SFUNC */
#include <math.h>
*
static Int
p_matching_distances(void)
{
return(fabs(FloatOfTerm(Deref(ARG1))-FloatOfTerm(Deref(ARG2))) <= FloatOfTerm(Deref(ARG3)));
}
*/
void
InitUserCPreds(void)
{
@ -722,12 +731,14 @@ InitUserCPreds(void)
#ifdef SFUNC
InitCPred("sparse_functor", 2, p_softfunctor, SafePredFlag);
#endif /* SFUNC */
/* InitCPred("match_distances", 3, p_matching_distances, SafePredFlag); */
/* InitCPred("unify",2,p_unify,SafePredFlag); */
/* InitCPred("occurs_check",2,p_occurs_check,SafePredFlag); */
/* InitCPred("counter",3,p_counter,SafePredFlag); */
/* InitCPred("iconcat",3,p_iconcat,SafePredFlag); */
}
void
InitUserBacks(void)
{