package nl.grauw.glass.instructions;

import java.io.IOException;
import java.io.OutputStream;

import nl.grauw.glass.Scope;
import nl.grauw.glass.expressions.Expression;
import nl.grauw.glass.expressions.Schema;

public class Org extends InstructionFactory {

    @Override
    public InstructionObject createObject(Scope context, Expression arguments) {
        if (Org_N.ARGUMENTS.check(arguments)) {
            return new Org_N(context, arguments.getElement(0));
        }
        throw new ArgumentException();
    }

    public static class Org_N extends Empty.EmptyObject {

        public static Schema ARGUMENTS = new Schema(Schema.INTEGER);

        private Expression argument;

        public Org_N(Scope context, Expression argument) {
            super(context);
            this.argument = argument;
        }

        public int getAddress() {
            return argument.getAddress();
        }

        @Override
        public int resolve(int address) {
            super.resolve(address);
            return getAddress();
        }

        @Override
        public void generateObjectCode(OutputStream output) throws IOException {
        }

    }

}