Upsilon/Upsilon/BaseTypes/LuaTable.cs

using System.Linq;
using Upsilon.Binder;
using Upsilon.Evaluator;
using Upsilon.Text;

namespace Upsilon.BaseTypes
{
    internal class LuaTable : LuaType, IIndexable, IScopeOwner
    {
        public EvaluationScope EvaluationScope { get; }

        public LuaTable(EvaluationScope scope)
        {
            EvaluationScope = scope;
        }


        public override Type Type => Type.Table;
        public override object ToCSharpObject()
        {
            return EvaluationScope.Variables.ToDictionary(x => x.Key, x => x.Value.ToCSharpObject());
        }

        public LuaType Get(Diagnostics diagnostics, TextSpan span, string s, EvaluationScope scope)
        {
            if (EvaluationScope.TryGet(s, out var o))
            {
                return o;
            }
            diagnostics.LogError("Cannot find member 's' on Table", span);
            return new LuaNull();
        }

        public void Set(Diagnostics diagnostics, TextSpan span, string s, LuaType value)
        {
            EvaluationScope.Set(new VariableSymbol(s, value.Type, false), value);
        }
    }
}