Add missing entries of primitive types (#117)

***UPDATE_DEPENDENTS***

Author: josesimoes

MetadataProcessor.Core/Extensions/TypeReferenceExtensions.cs

@@ -46,6 +46,7 @@ public static string TypeSignatureAsString(this TypeReference type)
                     case nanoCLR_DataType.DATATYPE_R4:
                     case nanoCLR_DataType.DATATYPE_BYREF:
                     case nanoCLR_DataType.DATATYPE_OBJECT:
+                    case nanoCLR_DataType.DATATYPE_WEAKCLASS:
                         return dataType.ToString().Replace("DATATYPE_", "");
 
                     case nanoCLR_DataType.DATATYPE_LAST_PRIMITIVE:

MetadataProcessor.Core/Tables/nanoSignaturesTable.cs

@@ -68,6 +68,12 @@ static nanoSignaturesTable()
             PrimitiveTypes.Add(typeof(object).FullName, nanoCLR_DataType.DATATYPE_OBJECT);
             PrimitiveTypes.Add(typeof(IntPtr).FullName, nanoCLR_DataType.DATATYPE_I4);
             PrimitiveTypes.Add(typeof(UIntPtr).FullName, nanoCLR_DataType.DATATYPE_U4);
+            
+            PrimitiveTypes.Add(typeof(WeakReference).FullName, nanoCLR_DataType.DATATYPE_WEAKCLASS);
+
+            PrimitiveTypes.Add(typeof(RuntimeTypeHandle).FullName, nanoCLR_DataType.DATATYPE_REFLECTION);
+            PrimitiveTypes.Add(typeof(RuntimeFieldHandle).FullName, nanoCLR_DataType.DATATYPE_REFLECTION);
+            PrimitiveTypes.Add(typeof(RuntimeMethodHandle).FullName, nanoCLR_DataType.DATATYPE_REFLECTION);
         }
 
         /// <summary>

version.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/AArnott/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "2.26",
+  "version": "2.27",
   "release": {
     "branchName" : "release-v{version}",
     "versionIncrement" : "build",