1 files changed, 63 insertions, 0 deletions
diff --git a/Xamarin.Forms.Build.Tasks/MethodReferenceExtensions.cs b/Xamarin.Forms.Build.Tasks/MethodReferenceExtensions.cs
new file mode 100644
index 00000000..e377a0c6
--- /dev/null
+++ b/Xamarin.Forms.Build.Tasks/MethodReferenceExtensions.cs
@@ -0,0 +1,63 @@
+using System;
+using Mono.Cecil;
+using Mono.Cecil.Rocks;
+
+namespace Xamarin.Forms.Build.Tasks
+{
+	static class MethodReferenceExtensions
+	{
+		[Obsolete]
+		public static MethodReference MakeGeneric(this MethodReference self, params TypeReference[] arguments)
+		{
+			var reference = new MethodReference(self.Name, self.ReturnType)
+			{
+				DeclaringType = self.DeclaringType.MakeGenericInstanceType(arguments),
+				HasThis = self.HasThis,
+				ExplicitThis = self.ExplicitThis,
+				CallingConvention = self.CallingConvention
+			};
+
+			foreach (var parameter in self.Parameters)
+				reference.Parameters.Add(new ParameterDefinition(parameter.ParameterType));
+
+			foreach (var generic_parameter in self.GenericParameters)
+				reference.GenericParameters.Add(new GenericParameter(generic_parameter.Name, reference));
+
+			return reference;
+		}
+
+		public static MethodReference ResolveGenericParameters(this MethodReference self, TypeReference declaringTypeRef,
+			ModuleDefinition module)
+		{
+			if (self == null)
+				throw new ArgumentNullException("self");
+			if (declaringTypeRef == null)
+				throw new ArgumentNullException("declaringTypeRef");
+
+			var reference = new MethodReference(self.Name, self.ReturnType)
+			{
+				DeclaringType = declaringTypeRef,
+				HasThis = self.HasThis,
+				ExplicitThis = self.ExplicitThis,
+				CallingConvention = self.CallingConvention
+			};
+
+			foreach (var parameter in self.Parameters)
+				reference.Parameters.Add(new ParameterDefinition(module.Import(parameter.ParameterType)));
+
+			foreach (var generic_parameter in self.GenericParameters)
+				reference.GenericParameters.Add(new GenericParameter(generic_parameter.Name, reference));
+
+			return reference;
+		}
+
+		public static void ImportTypes(this MethodReference self, ModuleDefinition module)
+		{
+			if (self.HasParameters)
+			{
+				for (var i = 0; i < self.Parameters.Count; i++)
+					self.Parameters[i].ParameterType = module.Import(self.Parameters[i].ParameterType);
+			}
+		}
+	}
+}
+\ No newline at end of file