diff --git a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/ConvertVisitorExpressions.cs b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/ConvertVisitorExpressions.cs
index 2d72123800..5a3f73f267 100644
--- a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/ConvertVisitorExpressions.cs
+++ b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/ConvertVisitorExpressions.cs
@@ -117,6 +117,10 @@ namespace NRefactoryToBooConverter
 			if (val is double) {
 				return new B.DoubleLiteralExpression(GetLexicalInfo(pe), (double)val, false);
 			}
+			if (val is decimal) {
+				AddWarning(pe, "Converting decimal literal to double literal");
+				return new B.DoubleLiteralExpression(GetLexicalInfo(pe), (double)(decimal)val);
+			}
 			AddError(pe, "Unknown primitive literal of type " + val.GetType().FullName);
 			return null;
 		}
@@ -520,14 +524,14 @@ namespace NRefactoryToBooConverter
 		{
 			AddError(checkedExpression, "Using 'checked' inside an expression is not supported by boo, " +
 			         "use the checked {} block instead.");
-			return null;
+			return MakeMethodCall("checked", ConvertExpression(checkedExpression.Expression));
 		}
 		
 		public object Visit(UncheckedExpression uncheckedExpression, object data)
 		{
 			AddError(uncheckedExpression, "Using 'unchecked' inside an expression is not supported by boo, " +
 			         "use the unchecked {} block instead.");
-			return null;
+			return MakeMethodCall("unchecked", ConvertExpression(uncheckedExpression.Expression));
 		}
 	}
 }
diff --git a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/NRefactoryToBooConverter.csproj b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/NRefactoryToBooConverter.csproj
index 4233cf143d..0e17b41a95 100644
--- a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/NRefactoryToBooConverter.csproj
+++ b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/NRefactoryToBooConverter.csproj
@@ -9,7 +9,6 @@
     <AllowUnsafeBlocks>False</AllowUnsafeBlocks>
     <CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
     <NoStdLib>False</NoStdLib>
-    <DebugType>None</DebugType>
     <RegisterForComInterop>False</RegisterForComInterop>
     <GenerateSerializationAssemblies>Auto</GenerateSerializationAssemblies>
     <BaseAddress>105906176</BaseAddress>
@@ -17,7 +16,6 @@
     <FileAlignment>4096</FileAlignment>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
-    <DebugSymbols>false</DebugSymbols>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <OutputPath>bin\Debug\</OutputPath>
@@ -29,6 +27,14 @@
     <Optimize>true</Optimize>
     <DefineConstants>TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <DebugType>Full</DebugType>
+    <DebugSymbols>true</DebugSymbols>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <DebugType>None</DebugType>
+    <DebugSymbols>false</DebugSymbols>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Drawing" />
diff --git a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/MemberTests.cs b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/MemberTests.cs
index 3d1106486c..30d8e0834e 100644
--- a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/MemberTests.cs
+++ b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/MemberTests.cs
@@ -134,6 +134,18 @@ namespace NRefactoryToBooConverter.Tests
 			TestInClass("public static void Run() {}", "public static def Run() as System.Void:\n\tpass");
 		}
 		
+		[Test]
+		public void AbstractMethod()
+		{
+			TestInClass("public abstract void Run();", "public abstract def Run() as System.Void:\n\tpass");
+		}
+		
+		[Test]
+		public void AbstractMethodInInterface()
+		{
+			TestInInterface("void Run();", "def Run() as System.Void");
+		}
+		
 		[Test]
 		public void StaticMethodInStaticClass()
 		{
@@ -214,6 +226,18 @@ namespace NRefactoryToBooConverter.Tests
 			            "[AA]\npublic Text as System.String:\n\t[BB]\n\tget:\n\t\tpass\n\t[CC]\n\tset:\n\t\tpass");
 		}
 		
+		[Test]
+		public void AbstractProperty()
+		{
+			TestInClass("public abstract string Prop { get; }", "public abstract Prop as System.String:\n\tget:\n\t\tpass");
+		}
+		
+		[Test]
+		public void AbstractPropertyInInterface()
+		{
+			TestInInterface("string Prop { get; }", "Prop as System.String:\n\tget");
+		}
+		
 		[Test]
 		public void ReadOnlyIndexer()
 		{
@@ -251,6 +275,12 @@ namespace NRefactoryToBooConverter.Tests
 			TestInClass("[LookHere] event EventHandler Closed;", "[LookHere]\nprivate event Closed as EventHandler");
 		}
 		
+		[Test]
+		public void EventInInterface()
+		{
+			TestInInterface("event EventHandler Closed;", "event Closed as EventHandler");
+		}
+		
 		[Test]
 		public void PInvoke()
 		{
diff --git a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/TestHelper.cs b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/TestHelper.cs
index 652bd915ab..3835c0c4a3 100644
--- a/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/TestHelper.cs
+++ b/src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Test/TestHelper.cs
@@ -65,6 +65,11 @@ namespace NRefactoryToBooConverter.Tests
 			Assert.AreEqual(output.Replace("??", ConverterSettings.DefaultNameGenerationPrefix), ConvertVB(input));
 		}
 		
+		protected void TestInInterface(string input, string output)
+		{
+			Test("public interface ClassName {\n" + input + "\n}", "public interface ClassName:\n\t" + output.Replace("\n", "\n\t"));
+		}
+		
 		protected void TestInClass(string input, string output)
 		{
 			Test("public class ClassName {\n" + input + "\n}", "public class ClassName:\n\t" + output.Replace("\n", "\n\t"));
diff --git a/src/Main/Base/Project/Src/Services/RefactoringService/RefactoringService.cs b/src/Main/Base/Project/Src/Services/RefactoringService/RefactoringService.cs
index 9392dc5e26..f36310962f 100644
--- a/src/Main/Base/Project/Src/Services/RefactoringService/RefactoringService.cs
+++ b/src/Main/Base/Project/Src/Services/RefactoringService/RefactoringService.cs
@@ -86,9 +86,35 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 		/// </summary>
 		public static List<Reference> FindReferences(IClass @class, IProgressMonitor progressMonitor)
 		{
+			if (@class == null)
+				throw new ArgumentNullException("class");
 			return RunFindReferences(@class, null, false, progressMonitor);
 		}
 		
+		/// <summary>
+		/// Find all references to the resolved entity.
+		/// </summary>
+		public static List<Reference> FindReferences(ResolveResult entity, IProgressMonitor progressMonitor)
+		{
+			if (entity == null)
+				throw new ArgumentNullException("entity");
+			if (entity is LocalResolveResult) {
+				return RunFindReferences(entity.CallingClass, (entity as LocalResolveResult).Field, true, progressMonitor);
+			} else if (entity is TypeResolveResult) {
+				return FindReferences((entity as TypeResolveResult).ResolvedClass, progressMonitor);
+			} else if (entity is MemberResolveResult) {
+				return FindReferences((entity as MemberResolveResult).ResolvedMember, progressMonitor);
+			} else if (entity is MethodResolveResult) {
+				IMethod method = (entity as MethodResolveResult).GetMethodIfSingleOverload();
+				if (method != null) {
+					return FindReferences(method, progressMonitor);
+				}
+			} else if (entity is MixedResolveResult) {
+				return FindReferences((entity as MixedResolveResult).PrimaryResult, progressMonitor);
+			}
+			return null;
+		}
+		
 		/// <summary>
 		/// Find all references to the specified local variable.
 		/// </summary>