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Allow Zeek function equality comparisons

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Equality between two functions acts like a pointer comparison.
This commit is contained in:
Jon Siwek 2020-06-27 23:09:02 -07:00
parent 11949ce37a
commit 6e67a40d24
3 changed files with 28 additions and 0 deletions
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6
src/Expr.cc
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@ -1762,6 +1762,7 @@ EqExpr::EqExpr(BroExprTag arg_tag, ExprPtr arg_op1, ExprPtr arg_op2)
case zeek::TYPE_ADDR:
case zeek::TYPE_SUBNET:
case zeek::TYPE_ERROR:
case zeek::TYPE_FUNC:
break;
case zeek::TYPE_ENUM:
@ -1814,6 +1815,11 @@ ValPtr EqExpr::Fold(Val* v1, Val* v2) const
else
return zeek::val_mgr->Bool(! re->MatchExactly(s));
}
else if ( op1->GetType()->Tag() == zeek::TYPE_FUNC )
{
auto res = v1->AsFunc() == v2->AsFunc();
return val_mgr->Bool(tag == EXPR_EQ ? res : ! res);
}
else
return BinaryExpr::Fold(v1, v2);