1 files changed, 31 insertions, 0 deletions
diff --git a/Xamarin.Forms.Build.Tasks/CompiledMarkupExtensions/ArrayExtension.cs b/Xamarin.Forms.Build.Tasks/CompiledMarkupExtensions/ArrayExtension.cs
new file mode 100644
index 00000000..06261147
--- /dev/null
+++ b/Xamarin.Forms.Build.Tasks/CompiledMarkupExtensions/ArrayExtension.cs
@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+using Mono.Cecil.Rocks;
+using Xamarin.Forms.Xaml;
+
+namespace Xamarin.Forms.Build.Tasks
+{
+	class ArrayExtension : ICompiledMarkupExtension
+	{
+		public IEnumerable<Instruction> ProvideValue(IElementNode node, ModuleDefinition module, ILContext context, out TypeReference memberRef)
+		{
+			var typeNode = node.Properties[new XmlName("", "Type")] as IElementNode;
+			var typeTypeRef = context.TypeExtensions[typeNode];
+			var n = node.CollectionItems.Count;
+
+			var instructions = new List<Instruction>();
+			instructions.Add(Instruction.Create(OpCodes.Ldc_I4, n));
+			instructions.Add(Instruction.Create(OpCodes.Newarr, typeTypeRef));
+
+			memberRef = typeTypeRef.MakeArrayType();
+			for (var i = 0; i < n; i++) {
+				instructions.Add(Instruction.Create(OpCodes.Dup));
+				instructions.Add(Instruction.Create(OpCodes.Ldc_I4, i));
+				instructions.Add(Instruction.Create(OpCodes.Ldloc, context.Variables[node.CollectionItems[i] as IElementNode]));
+				instructions.Add(Instruction.Create(OpCodes.Stelem_Ref));
+			}
+			return instructions;
+		}
+	}
+}
+\ No newline at end of file