return new IsNullOperator(lNode);
}
if (currentToken.equalsIgnoreCase("is not null"))
{
readNextToken(); // skip operator
return new IsNotNullOperator(lNode);
}
if (currentToken.equalsIgnoreCase("is true"))
{
readNextToken(); // skip operator
return new EqualsOperator(lNode,new BooleanLiteral(Boolean.TRUE));