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namespace VQDR.Expression {
class MultiplyOperatorToken : OperatorToken {
construct {
mandatory_num_child = 2;
priority = Prio.MULTIPLICATIVE;
}
public MultiplyOperatorToken (int position) {
base (position);
}
public override void evaluate_self (Context instance) throws GLib.Error {
Token r_child = get_right_child (),
l_child = get_left_child ();
l_child.evaluate (instance);
r_child.evaluate (instance);
var sb = new GLib.StringBuilder ("(");
// We check the precidence of the token, and inclose the value if
// it has a lower precidence than multiply, if it is, we enclose it in a
// praranthesis.
if (l_child.priority > Prio.ASSIGNMENT && l_child.priority < priority) {
sb.append ("(").append (l_child.result_string).append (")");
//l_child.result_string = "(" + l_child.result_string + ")";
} else {
sb.append (l_child.result_string);
}
sb.append ("*");
// We do the same with the othre child.
if (r_child.priority > Prio.ASSIGNMENT && r_child.priority < priority) {
sb.append ("(").append (r_child.result_string).append (")");
//r_child.result_string = "(" + r_child.result_string + ")";
} else {
sb.append (r_child.result_string);
}
sb.append (")");
result_value = l_child.result_value.multiply (l_child.result_value);
result_max_value = l_child.result_max_value.multiply (l_child.result_max_value);
result_min_value = l_child.result_min_value.multiply (l_child.result_min_value);
reorder_max_min_values ();
result_string = sb.str;
}
}
}
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