[Core] Adding attributes to support Native AOT compiling

sdk/core/Azure.Core/api/Azure.Core.net6.0.cs

@@ -544,8 +544,11 @@ protected RequestContent() { }
         public static Azure.Core.RequestContent Create(byte[] bytes) { throw null; }
         public static Azure.Core.RequestContent Create(byte[] bytes, int index, int length) { throw null; }
         public static Azure.Core.RequestContent Create(System.IO.Stream stream) { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
         public static Azure.Core.RequestContent Create(object serializable) { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
         public static Azure.Core.RequestContent Create(object serializable, Azure.Core.Serialization.JsonPropertyNames propertyNameFormat, string dateTimeFormat = "o") { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
         public static Azure.Core.RequestContent Create(object serializable, Azure.Core.Serialization.ObjectSerializer? serializer) { throw null; }
         public static Azure.Core.RequestContent Create(System.ReadOnlyMemory<byte> bytes) { throw null; }
         public static Azure.Core.RequestContent Create(string content) { throw null; }
@@ -1024,6 +1027,7 @@ protected HttpPipelinePolicy() { }
         protected static void ProcessNext(Azure.Core.HttpMessage message, System.ReadOnlyMemory<Azure.Core.Pipeline.HttpPipelinePolicy> pipeline) { }
         protected static System.Threading.Tasks.ValueTask ProcessNextAsync(Azure.Core.HttpMessage message, System.ReadOnlyMemory<Azure.Core.Pipeline.HttpPipelinePolicy> pipeline) { throw null; }
     }
+    [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]
     public abstract partial class HttpPipelineSynchronousPolicy : Azure.Core.Pipeline.HttpPipelinePolicy
     {
         protected HttpPipelineSynchronousPolicy() { }
@@ -1115,11 +1119,16 @@ public JsonObjectSerializer() { }
         public JsonObjectSerializer(System.Text.Json.JsonSerializerOptions options) { }
         public static Azure.Core.Serialization.JsonObjectSerializer Default { get { throw null; } }
         string? Azure.Core.Serialization.IMemberNameConverter.ConvertMemberName(System.Reflection.MemberInfo member) { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.Deserialize which requires unreferenced code.")]
         public override object? Deserialize(System.IO.Stream stream, System.Type returnType, System.Threading.CancellationToken cancellationToken) { throw null; }
         public override System.Threading.Tasks.ValueTask<object?> DeserializeAsync(System.IO.Stream stream, System.Type returnType, System.Threading.CancellationToken cancellationToken) { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
         public override void Serialize(System.IO.Stream stream, object? value, System.Type inputType, System.Threading.CancellationToken cancellationToken) { }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
         public override System.BinaryData Serialize(object? value, System.Type? inputType = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
         public override System.Threading.Tasks.ValueTask SerializeAsync(System.IO.Stream stream, object? value, System.Type inputType, System.Threading.CancellationToken cancellationToken) { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
         public override System.Threading.Tasks.ValueTask<System.BinaryData> SerializeAsync(object? value, System.Type? inputType = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
     }
     public enum JsonPropertyNames
@@ -1130,11 +1139,16 @@ public enum JsonPropertyNames
     public abstract partial class ObjectSerializer
     {
         protected ObjectSerializer() { }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Inherited methods require unreferenced code.")]
         public abstract object? Deserialize(System.IO.Stream stream, System.Type returnType, System.Threading.CancellationToken cancellationToken);
         public abstract System.Threading.Tasks.ValueTask<object?> DeserializeAsync(System.IO.Stream stream, System.Type returnType, System.Threading.CancellationToken cancellationToken);
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Inherited methods require unreferenced code.")]
         public abstract void Serialize(System.IO.Stream stream, object? value, System.Type inputType, System.Threading.CancellationToken cancellationToken);
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Inherited methods require unreferenced code.")]
         public virtual System.BinaryData Serialize(object? value, System.Type? inputType = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Inherited methods require unreferenced code.")]
         public abstract System.Threading.Tasks.ValueTask SerializeAsync(System.IO.Stream stream, object? value, System.Type inputType, System.Threading.CancellationToken cancellationToken);
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCodeAttribute("Inherited methods require unreferenced code.")]
         public virtual System.Threading.Tasks.ValueTask<System.BinaryData> SerializeAsync(object? value, System.Type? inputType = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
     }
 }

sdk/core/Azure.Core/src/Diagnostics/AzureCoreEventSource.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.Tracing;
+using System.Diagnostics.CodeAnalysis; // Needed for NET6.0 attributes
 using System.Text;
 
 namespace Azure.Core.Diagnostics
@@ -231,6 +232,9 @@ public void ErrorResponseContentTextBlock(string requestId, int blockNumber, str
         }
 
         [Event(RequestRetryingEvent, Level = EventLevel.Informational, Message = "Request [{0}] attempt number {1} took {2:00.0}s")]
+#if NET6_0_OR_GREATER
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026", Justification = "WriteEvent is used with primitive types.")]
+#endif
         public void RequestRetrying(string requestId, int retryNumber, double seconds)
         {
             WriteEvent(RequestRetryingEvent, requestId, retryNumber, seconds);

sdk/core/Azure.Core/src/DynamicData/DynamicData.cs

@@ -40,6 +40,9 @@ internal DynamicData(MutableJsonElement element, DynamicDataOptions options)
             _serializerOptions = DynamicDataOptions.ToSerializerOptions(options);
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         internal void WriteTo(Stream stream)
         {
             using Utf8JsonWriter writer = new(stream);
@@ -296,6 +299,9 @@ public override bool Equals(object? obj)
             };
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         internal bool Equals(DynamicData other)
         {
             if (other is null)
@@ -319,6 +325,9 @@ internal bool Equals(DynamicData other)
             };
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         private bool NumberEqual(DynamicData other)
         {
             if (_element.TryGetDouble(out double d))

sdk/core/Azure.Core/src/DynamicData/MutableJsonChange.cs

@@ -46,8 +46,20 @@ public MutableJsonChange(string path,
 
         public MutableJsonChangeKind ChangeKind { get; }
 
-        public JsonValueKind ValueKind => GetSerializedValue().ValueKind;
+        public JsonValueKind ValueKind
+        {
+#if NET6_0_OR_GREATER
+           [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
+            get
+            {
+                return GetSerializedValue().ValueKind;
+            }
+        }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         internal JsonElement GetSerializedValue()
         {
             if (_serializedValue != null)
@@ -85,6 +97,9 @@ internal bool IsDirectDescendant(string path)
             return ancestorPathLength == (descendantPathLength - 1);
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         internal string AsString()
         {
             return GetSerializedValue().ToString() ?? "null";

sdk/core/Azure.Core/src/DynamicData/MutableJsonElement.WriteTo.cs

@@ -10,11 +10,17 @@ namespace Azure.Core.Json
 {
     internal partial struct MutableJsonElement
     {
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         internal void WriteTo(Utf8JsonWriter writer)
         {
             WriteElement(_path, _highWaterMark, _element, writer);
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         private void WriteElement(string path, int highWaterMark, JsonElement element, Utf8JsonWriter writer)
         {
             if (Changes.TryGetChange(path, highWaterMark, out MutableJsonChange change))
@@ -69,6 +75,9 @@ private void WriteElement(string path, int highWaterMark, JsonElement element, U
             element.WriteTo(writer);
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         private void WriteObject(string path, int highWaterMark, JsonElement element, Utf8JsonWriter writer)
         {
             writer.WriteStartObject();
@@ -96,6 +105,9 @@ private void WriteObject(string path, int highWaterMark, JsonElement element, Ut
             writer.WriteEndObject();
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         private void WriteArray(string path, int highWaterMark, JsonElement element, Utf8JsonWriter writer)
         {
             writer.WriteStartArray();

sdk/core/Azure.Core/src/DynamicData/MutableJsonElement.cs

@@ -37,6 +37,9 @@ internal MutableJsonElement(MutableJsonDocument root, JsonElement element, strin
         /// </summary>
         public JsonValueKind? ValueKind
         {
+#if NET6_0_OR_GREATER
+            [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
             get
             {
                 if (Changes.TryGetChange(_path, _highWaterMark, out MutableJsonChange change))
@@ -134,6 +137,9 @@ internal MutableJsonElement GetIndexElement(int index)
         ///   <see langword="false"/> otherwise.
         /// </returns>
         /// <exception cref="InvalidOperationException">This value's <see cref="ValueKind"/> is not <see cref="JsonValueKind.Number"/>.</exception>
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetDouble(out double value)
         {
             EnsureValid();
@@ -187,6 +193,9 @@ private static string GetFormatExceptionText(string path, Type type)
         ///   <see langword="false"/> otherwise.
         /// </returns>
         /// <exception cref="InvalidOperationException">This value's <see cref="ValueKind"/> is not <see cref="JsonValueKind.Number"/>.</exception>
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetInt32(out int value)
         {
             EnsureValid();
@@ -235,6 +244,9 @@ public int GetInt32()
         ///   <see langword="false"/> otherwise.
         /// </returns>
         /// <exception cref="InvalidOperationException">This value's <see cref="ValueKind"/> is not <see cref="JsonValueKind.Number"/>.</exception>
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetInt64(out long value)
         {
             EnsureValid();
@@ -283,6 +295,9 @@ public long GetInt64()
         ///   <see langword="false"/> otherwise.
         /// </returns>
         /// <exception cref="InvalidOperationException">This value's <see cref="ValueKind"/> is not <see cref="JsonValueKind.Number"/>.</exception>
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetSingle(out float value)
         {
             EnsureValid();
@@ -328,6 +343,9 @@ public float GetSingle()
         /// </summary>
         /// <returns></returns>
         /// <exception cref="InvalidOperationException"></exception>
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public string? GetString()
         {
             EnsureValid();
@@ -377,6 +395,9 @@ public bool GetBoolean()
             return _element.GetBoolean();
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetByte(out byte value)
         {
             EnsureValid();
@@ -480,6 +501,9 @@ public DateTimeOffset GetDateTimeOffset()
             return value;
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetDecimal(out decimal value)
         {
             EnsureValid();
@@ -548,6 +572,9 @@ public Guid GetGuid()
             return value;
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetInt16(out short value)
         {
             EnsureValid();
@@ -582,6 +609,9 @@ public short GetInt16()
             return value;
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetSByte(out sbyte value)
         {
             EnsureValid();
@@ -616,6 +646,9 @@ public sbyte GetSByte()
             return value;
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetUInt16(out ushort value)
         {
             EnsureValid();
@@ -650,6 +683,9 @@ public ushort GetUInt16()
             return value;
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetUInt32(out uint value)
         {
             EnsureValid();
@@ -684,6 +720,9 @@ public uint GetUInt32()
             return value;
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         public bool TryGetUInt64(out ulong value)
         {
             EnsureValid();
@@ -1082,6 +1121,9 @@ public override string ToString()
             return _element.ToString() ?? "null";
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         internal JsonElement GetJsonElement()
         {
             EnsureValid();
@@ -1101,6 +1143,9 @@ internal JsonElement GetJsonElement()
             return _element;
         }
 
+#if NET6_0_OR_GREATER
+        [System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Calls JsonSerializer.SerializeToUtf8Bytes which requires unreferenced code.")]
+#endif
         private byte[] GetRawBytes()
         {
             using MemoryStream changedElementStream = new();

sdk/core/Azure.Core/src/Pipeline/HttpPipelineSynchronousPolicy.cs

@@ -11,6 +11,9 @@ namespace Azure.Core.Pipeline
     /// <summary>
     /// Represents a <see cref="HttpPipelinePolicy"/> that doesn't do any asynchronous or synchronously blocking operations.
     /// </summary>
+#if NET6_0_OR_GREATER
+    [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]
+#endif
     public abstract class HttpPipelineSynchronousPolicy : HttpPipelinePolicy
     {
         private static Type[] _onReceivedResponseParameters = new[] { typeof(HttpMessage) };

sdk/core/Azure.Core/src/Pipeline/Internal/ClientRequestIdPolicy.cs

@@ -3,6 +3,9 @@
 
 namespace Azure.Core.Pipeline
 {
+#if NET6_0_OR_GREATER
+    [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]
+#endif
     internal class ClientRequestIdPolicy : HttpPipelineSynchronousPolicy
     {
         internal const string ClientRequestIdHeader = "x-ms-client-request-id";

sdk/core/Azure.Core/src/Pipeline/Internal/ReadClientRequestIdPolicy.cs

@@ -5,6 +5,9 @@
 
 namespace Azure.Core.Pipeline
 {
+#if NET6_0_OR_GREATER
+    [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]
+#endif
     internal class ReadClientRequestIdPolicy : HttpPipelineSynchronousPolicy
     {
         public const string MessagePropertyKey = "x-ms-client-request-id";

sdk/core/Azure.Core/src/Pipeline/Internal/RequestActivityPolicy.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis; // Needed for NET6.0 attributes
 using System.Globalization;
 using System.Threading.Tasks;
 
@@ -56,6 +57,11 @@ public override void Process(HttpMessage message, ReadOnlyMemory<HttpPipelinePol
             }
         }
 
+#if NET6_0_OR_GREATER
+        [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(HttpMessage))]
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026", Justification = "The values being passed into Write have the commonly used properties being preserved with DynamicDependency.")]
+#else
+#endif
         private async ValueTask ProcessAsync(HttpMessage message, ReadOnlyMemory<HttpPipelinePolicy> pipeline, bool async)
         {
 #if NETCOREAPP2_1