package luan.impl;

import luan.LuanException;
import luan.LuanElement;


final class AddExpr extends BinaryOpExpr {

	AddExpr(LuanElement se,Expr op1,Expr op2) {
		super(se,op1,op2);
	}

	@Override public Object eval(LuanStateImpl luan) throws LuanException {
		Object o1 = op1.eval(luan);
		Object o2 = op2.eval(luan);
		if( o1 instanceof Number && o2 instanceof Number )
			return ((Number)o1).doubleValue() + ((Number)o2).doubleValue();
		return arithmetic(luan,"__add",o1,o2);
	}
}