using EC.Helper.RabbitFunc.Runtime;

namespace EC.Helper.RabbitFunc.Expressions;

public class MemberExpression : Expression
{
    internal MemberExpression(Expression instance, string name)
        : base(ExpressionType.MemberAccess)
    {
        Instance = instance;
        Name = name;
    }

    public Expression Instance { get; }

    public string Name { get; }

    public override object Eval(RuntimeContext context)
    {
        if (context == null)
            throw new ArgumentNullException(nameof(context));

        return default(double);
    }

    public override string ToString()
    {
        return Instance == null ? Name : Instance.ToString() + "." + Name;
    }
}