diogo/yap-6.3
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fix error handling on entry arguments.

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This commit is contained in:
Vitor Santos Costa 2010-02-22 22:48:13 +00:00
parent 10c0f7a175
commit f137773011
2 changed files with 7 additions and 4 deletions
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3
C/arith1.c
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@ -797,8 +797,9 @@ p_unary_is(void)
return FALSE;
}
top = Yap_Eval(Deref(ARG3));
if (top == 0L)
if (!Yap_FoundArithError(top, ARG3)) {
return FALSE;
}
if (IsIntTerm(t)) {
Term tout = Yap_FoundArithError(eval1(IntegerOfTerm(t), top), Deref(ARG3));
if (!tout)

8
C/arith2.c
View File

@ -1117,13 +1117,15 @@ p_binary_is(void)
return(FALSE);
}
t1 = Yap_Eval(Deref(ARG3));
if (t1 == 0L)
if (!Yap_FoundArithError(t1, ARG3)) {
return FALSE;
}
t2 = Yap_Eval(Deref(ARG4));
if (t2 == 0L)
if (!Yap_FoundArithError(t2, ARG4)) {
return FALSE;
}
if (IsIntTerm(t)) {
Term tout = Yap_FoundArithError(eval2(IntegerOfTerm(t), t1, t2), 0L);
Term tout = Yap_FoundArithError(eval2(IntOfTerm(t), t1, t2), 0L);
if (!tout)
return FALSE;
return Yap_unify_constant(ARG1,tout);