Finished adding find tag by name
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestNoGenericServicesProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestNoGenericServicesProtoFile.cs
index 85b7203..6706c94 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestNoGenericServicesProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestNoGenericServicesProtoFile.cs
@@ -80,6 +80,8 @@
   [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

   public sealed partial class TestMessage : pb::ExtendableMessage<TestMessage, TestMessage.Builder> {

     private static readonly TestMessage defaultInstance = new Builder().BuildPartial();

+    private static readonly string[] _testMessageFieldNames = new string[] { "a" };

+    private static readonly uint[] _testMessageFieldTags = new uint[] { 8 };

     public static TestMessage DefaultInstance {

       get { return defaultInstance; }

     }

@@ -119,9 +121,10 @@
     

     public override void WriteTo(pb::ICodedOutputStream output) {

       int size = SerializedSize;

+      string[] field_names = _testMessageFieldNames;

       pb::ExtendableMessage<TestMessage, TestMessage.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);

       if (hasA) {

-        output.WriteInt32(1, "a", A);

+        output.WriteInt32(1, field_names[0], A);

       }

       extensionWriter.WriteUntil(536870912, output);

       UnknownFields.WriteTo(output);

@@ -250,6 +253,18 @@
         uint tag;

         string field_name;

         while (input.ReadTag(out tag, out field_name)) {

+          if(tag == 0 && field_name != null) {

+            int field_ordinal = global::System.Array.BinarySearch(_testMessageFieldNames, field_name, global::System.StringComparer.Ordinal);

+            if(field_ordinal >= 0)

+              tag = _testMessageFieldTags[field_ordinal];

+            else {

+              if (unknownFields == null) {

+                unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);

+              }

+              ParseUnknownField(input, unknownFields, extensionRegistry, tag, field_name);

+              continue;

+            }

+          }

           switch (tag) {

             case 0: {

               throw pb::InvalidProtocolBufferException.InvalidTag();

@@ -268,7 +283,7 @@
               break;

             }

             case 8: {

-              result.hasA |= input.ReadInt32(ref result.a_);

+              result.hasA = input.ReadInt32(ref result.a_);

               break;

             }

           }