GenericParameterDataContract.cs

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using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
 
namespace System.Runtime.Serialization;
 
internal sealed class GenericParameterDataContract : DataContract
{
    private sealed class GenericParameterDataContractCriticalHelper : DataContractCriticalHelper
    {
        private readonly int _parameterPosition;
 
        internal int ParameterPosition => _parameterPosition;
 
        [RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")]
        internal GenericParameterDataContractCriticalHelper([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors | DynamicallyAccessedMemberTypes.NonPublicConstructors | DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.NonPublicMethods | DynamicallyAccessedMemberTypes.PublicFields | DynamicallyAccessedMemberTypes.PublicProperties)] Type type)
            : base(type)
        {
            SetDataContractName(DataContract.GetStableName(type));
            _parameterPosition = type.GenericParameterPosition;
        }
    }
 
    private readonly GenericParameterDataContractCriticalHelper _helper;
 
    internal int ParameterPosition => _helper.ParameterPosition;
 
    public override bool IsBuiltInDataContract => true;
 
    [RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")]
    internal GenericParameterDataContract(Type type)
        : base(new GenericParameterDataContractCriticalHelper(type))
    {
        _helper = base.Helper as GenericParameterDataContractCriticalHelper;
    }
 
    internal DataContract BindGenericParameters(DataContract[] paramContracts, Dictionary<DataContract, DataContract> boundContracts)
    {
        return paramContracts[ParameterPosition];
    }
}