[RGen] Teach bgen to ignore bgen types.

Teach bgen to ignore the types that have been marked by the
BindingTypeAttribute.

src/AVFoundation/AVCaptureReactionType.rgen.cs

@@ -0,0 +1,44 @@
+#pragma warning disable APL0003
+using System;
+using System.Runtime.Versioning;
+
+using Foundation;
+using ObjCRuntime;
+using ObjCBindings;
+
+#nullable enable
+
+namespace AVFoundation {
+
+	[BindingTypeAttribute]
+	[SupportedOSPlatform ("ios17.0")]
+	[SupportedOSPlatform ("tvos17.0")]
+	[SupportedOSPlatform ("maccatalyst17.0")]
+	[SupportedOSPlatform ("macos14.0")]
+	public enum AVCaptureReactionType {
+		[Field ("AVCaptureReactionTypeThumbsUp")]
+		ThumbsUp,
+
+		[Field ("AVCaptureReactionTypeThumbsDown")]
+		ThumbsDown,
+
+		[Field ("AVCaptureReactionTypeBalloons")]
+		Balloons,
+
+		[Field ("AVCaptureReactionTypeHeart")]
+		Heart,
+
+		[Field ("AVCaptureReactionTypeFireworks")]
+		Fireworks,
+
+		[Field ("AVCaptureReactionTypeRain")]
+		Rain,
+
+		[Field ("AVCaptureReactionTypeConfetti")]
+		Confetti,
+
+		[Field ("AVCaptureReactionTypeLasers")]
+		Lasers,
+	}
+}
+#pragma warning restore APL0003

src/bgen/Generator.cs

@@ -50,6 +50,7 @@
 using System.Text;
 using System.ComponentModel;
 using System.Reflection;
+using ObjCBindings;
 using ObjCRuntime;
 using Foundation;
 using Xamarin.Utils;
@@ -5630,6 +5631,13 @@ string GetAssemblyName ()
 
 	public void Generate (Type type)
 	{
+
+		// check if the type has been marked as a type that will be generated by the new code generator, if that
+		// is the case, bgen will ignore it allowing the rgen code generator add the type to the final assembly
+		bool is_rgen_type = AttributeManager.HasAttribute<BindingTypeAttribute> (type);
+		if (is_rgen_type)
+			return;
+
 		if (ZeroCopyStrings) {
 			ErrorHelper.Warning (1027);
 			ZeroCopyStrings = false;

src/bgen/bgen.csproj

@@ -9,6 +9,7 @@
     <DefineConstants Condition="'$(XAMMACIOS_DEBUGGER)' != ''">$(DefineConstants);XAMMACIOS_DEBUGGER</DefineConstants>
     <WarningsAsErrors>Nullable</WarningsAsErrors>
     <Nullable>enable</Nullable>
+    <NoWarn>APL0003</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>
@@ -26,6 +27,9 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <Compile Include="..\ObjCBindings\BindingTypeAttribute.cs">
+      <Link>BindingTypeAttribute.cs</Link>
+    </Compile>
     <None Include="$(RepositoryPath)\docs\website\generator-errors.md">
       <Link>generator-errors.md</Link>
     </None>

src/frameworks.sources

@@ -296,6 +296,7 @@ AVFOUNDATION_SOURCES = \
 	AVFoundation/Events.cs \
 	AVFoundation/AVPlayerLooper.cs \
 	AVFoundation/AudioRendererWasFlushedAutomaticallyEventArgs.cs \
+	AVFoundation/AVCaptureReactionType.rgen.cs \
 
 # AVKit