Negative.java

gehe zur Dokumentation dieser Datei

package de.lathanda.eos.baseparser;
 
import de.lathanda.eos.vm.Command;
import de.lathanda.eos.vm.commands.Negate;
 
import java.util.ArrayList;
 
public class Negative extends Expression {
 
    private final Expression exp;
 
    public Negative(Expression exp) {
        this.exp = exp;
        prio = 6;
    }
 
    @Override
    public void compile(ArrayList<Command> ops, boolean autoWindow) throws Exception {
        exp.compile(ops, autoWindow);
        ops.add(new Negate());
    }
 
    @Override
    public void resolveNamesAndTypes(Expression with, Environment env) {
        exp.resolveNamesAndTypes(with, env);
        if (!exp.getType().isNumber()) {
            env.addError(marker, "InvalidNumber", exp.getType());
        }
        type = exp.getType();
    }
 
    @Override
    public String toString() {
        return "-" + exp;
    }
 
    @Override
    public String getLabel() {
        return createText("Negative.Label", getLabelRight(exp));
    }
}