SetIndexBinder.cs

using System.Dynamic.Utils;

namespace System.Dynamic
{
    [global::__DynamicallyInvokable]
    public abstract class SetIndexBinder : DynamicMetaObjectBinder
    {
        private readonly CallInfo _callInfo;

        [global::__DynamicallyInvokable]
        public sealed override Type ReturnType
        {
            [global::__DynamicallyInvokable]
            get
            {
                return typeof(object);
            }
        }

        [global::__DynamicallyInvokable]
        public CallInfo CallInfo
        {
            [global::__DynamicallyInvokable]
            get
            {
                return _callInfo;
            }
        }

        internal sealed override bool IsStandardBinder => true;

        [global::__DynamicallyInvokable]
        protected SetIndexBinder(CallInfo callInfo)
        {
            ContractUtils.RequiresNotNull(callInfo, "callInfo");
            _callInfo = callInfo;
        }

        [global::__DynamicallyInvokable]
        public sealed override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
        {
            ContractUtils.RequiresNotNull(target, "target");
            ContractUtils.RequiresNotNull(args, "args");
            ContractUtils.Requires(args.Length >= 2, "args");
            DynamicMetaObject value = args[args.Length - 1];
            DynamicMetaObject[] array = args.RemoveLast();
            ContractUtils.RequiresNotNull(value, "args");
            ContractUtils.RequiresNotNullItems(array, "args");
            return target.BindSetIndex(this, array, value);
        }

        [global::__DynamicallyInvokable]
        public DynamicMetaObject FallbackSetIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject value)
        {
            return FallbackSetIndex(target, indexes, value, null);
        }

        [global::__DynamicallyInvokable]
        public abstract DynamicMetaObject FallbackSetIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject value, DynamicMetaObject errorSuggestion);
    }
}