BadClassPrototype.cs

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using BadScript2.Parser;
using BadScript2.Runtime.Error;
using BadScript2.Runtime.Objects.Types.Interface;
 
namespace BadScript2.Runtime.Objects.Types;
 
public abstract class BadClassPrototype : BadObject
{
    public static readonly BadClassPrototype Prototype = new BadNativeClassPrototype<BadClassPrototype>(
        "Type",
        (_, _) => throw new BadRuntimeException("Classes cannot be extended")
    );
 
    protected abstract BadClassPrototype? BaseClass { get; }
 
 
    public readonly BadMetaData MetaData;
 
    protected BadClassPrototype(
        string name,
        BadMetaData? metaData)
    {
        Name = name;
        MetaData = metaData ?? BadMetaData.Empty;
    }
 
    public abstract bool IsAbstract { get; }
 
    public abstract IReadOnlyCollection<BadInterfacePrototype> Interfaces { get; }
 
    public string Name { get; }
 
    public BadClassPrototype? GetBaseClass()
    {
        return BaseClass;
    }
 
    public override BadClassPrototype GetPrototype()
    {
        return Prototype;
    }
 
    public abstract IEnumerable<BadObject> CreateInstance(BadExecutionContext caller, bool setThis = true);
 
    public virtual bool IsSuperClassOf(BadClassPrototype proto)
    {
        if (proto == this)
        {
            return true;
        }
 
        bool isBaseSuper = proto.BaseClass != null && IsSuperClassOf(proto.BaseClass);
 
        return isBaseSuper;
    }
 
    public virtual bool IsAssignableFrom(BadObject obj)
    {
        if (obj == Null)
        {
            return true;
        }
 
        if (obj is BadClass cls)
        {
            return cls.InheritsFrom(this);
        }
 
        BadClassPrototype type = obj.GetPrototype();
 
        return IsSuperClassOf(type);
    }
 
 
    public override string ToSafeString(List<BadObject> done)
    {
        return $"class {Name}";
    }
}