1 files changed, 41 insertions, 0 deletions
diff --git a/Xamarin.Forms.Xaml/XamlCompilationAttribute.cs b/Xamarin.Forms.Xaml/XamlCompilationAttribute.cs
new file mode 100644
index 00000000..76199039
--- /dev/null
+++ b/Xamarin.Forms.Xaml/XamlCompilationAttribute.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Reflection;
+
+namespace Xamarin.Forms.Xaml
+{
+	[Flags]
+	public enum XamlCompilationOptions
+	{
+		Skip = 1 << 0,
+		Compile = 1 << 1
+	}
+
+	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Module | AttributeTargets.Class, Inherited = false)]
+	public sealed class XamlCompilationAttribute : Attribute
+	{
+		public XamlCompilationAttribute(XamlCompilationOptions xamlCompilationOptions)
+		{
+			XamlCompilationOptions = xamlCompilationOptions;
+		}
+
+		public XamlCompilationOptions XamlCompilationOptions { get; set; }
+	}
+
+	internal static class XamlCExtensions
+	{
+		public static bool IsCompiled(this Type type)
+		{
+			var attr = type.GetTypeInfo().GetCustomAttribute<XamlCompilationAttribute>();
+			if (attr != null)
+				return attr.XamlCompilationOptions == XamlCompilationOptions.Compile;
+			attr = type.GetTypeInfo().Module.GetCustomAttribute<XamlCompilationAttribute>();
+			if (attr != null)
+				return attr.XamlCompilationOptions == XamlCompilationOptions.Compile;
+			attr = type.GetTypeInfo().Assembly.GetCustomAttribute<XamlCompilationAttribute>();
+			if (attr != null)
+				return attr.XamlCompilationOptions == XamlCompilationOptions.Compile;
+
+			return false;
+		}
+	}
+}
+\ No newline at end of file