public void add_rel(Logical.Opcode op, Expression a)
{
bool r1 = a.get_bool();
if (op == Logical.Opcode.and)
{
b_val = (b_val && r1);
}
if (op == Logical.Opcode.or)
{
b_val = (b_val || r1);
}
if (op == Logical.Opcode.xor)
{
b_val = (b_val ^ r1);
}
}
private Expression parseLogical()
{
Expression result = parseRelation();
//Expression log = null;
while (true)
{
Logical.Opcode op = parseLogOperator();
if (op != Logical.Opcode.none)
{
Expression right = parseRelation();
result = new Logical(op, result, right);
continue;
}
else
{
break;
}
}
return(result);
}
