private static void PrepareTypeCore <T>(SerializationContext dummyContext)
{
// Ensure GetSerializer<T>( object ) is AOT-ed.
dummyContext.GetSerializer <T>();
// Ensure Dictionary<T, ?> is work.
AotHelper.PrepareEqualityComparer <T>();
}
/// <summary>
/// Gets the serializer for the specified <see cref="Type"/>.
/// </summary>
/// <param name="targetType">Type of the serialization target.</param>
/// <param name="providerParameter">A provider specific parameter. See remarks section of <see cref="GetSerializer{T}(Object)"/> for details.</param>
/// <returns>
/// <see cref="MessagePackSerializer"/>.
/// If there is exiting one, returns it.
/// Else the new instance will be created.
/// If the platform supports async/await programming model, return type is <c>IAsyncMessagePackSingleObjectSerializer</c>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="targetType"/> is <c>null</c>.
/// </exception>
/// <remarks>
/// Although <see cref="GetSerializer{T}(Object)"/> is preferred,
/// this method can be used from non-generic type or methods.
/// </remarks>
public MessagePackSerializer GetSerializer( Type targetType, object providerParameter )
{
if ( targetType == null )
{
throw new ArgumentNullException( "targetType" );
}
#if DEBUG
Contract.Ensures( Contract.Result<MessagePackSerializer>() != null );
#endif // DEBUG
#if UNITY
try
{
#endif // UNITY
return SerializerGetter.Instance.Get( this, targetType, providerParameter );
#if UNITY
}
catch ( Exception ex )
{
AotHelper.HandleAotError( targetType, ex );
throw;
}
#endif // UNITY
}
public static IEqualityComparer <T> GetEqualityComparer <T>()
{
#if !UNITY
return(EqualityComparer <T> .Default);
#else
// AotHelper is internal because it should not be API -- it is subject to change when the Unity's Mono is updated or IL2CPP becomes stable.
return(AotHelper.GetEqualityComparer <T>());
#endif // !UNITY
}
/// <summary>
/// Try to prepare specified type for some AOT(Ahead-Of-Time) compilation environment.
/// </summary>
/// <typeparam name="T">The type to be prepared. Normally, this should be value type.</typeparam>
/// <remarks>
/// <para>
/// Currently, this method only works in Unity3D build.
/// This method does not any work for other environments(and should be removed on JIT/AOT), but exists to simplify the application compilation.
/// It is recommended to use this method on start up code to reduce probability of some AOT errors.
/// </para>
/// <para>
/// Please note that this method do not ensure for full linkage for AOT.
/// Manifest or attribute based linker options (e.g. for .NET Native or Xamarin.iOS) are still required.
/// </para>
/// </remarks>
public static void PrepareType <T>()
{
#if UNITY
// Ensure GetSerializer<T>( object ) is AOT-ed.
SerializationContext.Default.GetSerializer <T>(null);
// Ensure Dictionary<T, ?> is work.
AotHelper.PrepareEqualityComparer <T>();
#endif // UNITY
}
public object Get(SerializationContext context, Type keyType)
{
object matched;
object genericDefinitionMatched;
if (!this.Get(keyType, out matched, out genericDefinitionMatched))
{
return(null);
}
if (matched != null)
{
return(matched);
}
else
{
#if DEBUG
Contract.Assert(keyType.GetIsGenericType(), "keyType.GetIsGenericType()");
Contract.Assert(!keyType.GetIsGenericTypeDefinition(), "!keyType.GetIsGenericTypeDefinition()");
#endif // DEBUG
var type = genericDefinitionMatched as Type;
#if DEBUG
Contract.Assert(type != null, "type != null");
Contract.Assert(type.GetIsGenericTypeDefinition(), "type.GetIsGenericTypeDefinition()");
#endif // DEBUG
#if !UNITY
var result =
ReflectionExtensions.CreateInstancePreservingExceptionType(
type.MakeGenericType(keyType.GetGenericArguments()),
context
);
#else
var resultType = type.IsGenericTypeDefinition ? type.MakeGenericType(keyType.GetGenericArguments()) : type;
var constructor2 = resultType.GetConstructor(NonGenericSerializerConstructorParameterTypes);
object result;
try
{
result =
constructor2 == null
? ReflectionExtensions.CreateInstancePreservingExceptionType(resultType, context)
: ReflectionExtensions.CreateInstancePreservingExceptionType(resultType, context, keyType);
}
catch (Exception ex)
{
AotHelper.HandleAotError(keyType, ex);
throw;
}
#endif // !UNITY
Contract.Assert(result != null, "result != null");
return(result);
}
}
internal static object GetEqualityComparer(Type comparerType)
{
return(AotHelper.GetEqualityComparer(comparerType));
}
