Add project files.

Compat.Private.Serialization/Compat/Runtime/Serialization/SerializationTrace.cs

@@ -0,0 +1,33 @@
+using System.Diagnostics;
+
+namespace Compat.Runtime.Serialization
+{
+    internal static class SerializationTrace
+    {
+        private static TraceSource _codeGen;
+
+        internal static SourceSwitch CodeGenerationSwitch => CodeGenerationTraceSource.Switch;
+
+        internal static void WriteInstruction(int lineNumber, string instruction)
+        {
+            CodeGenerationTraceSource.TraceInformation("{0:00000}: {1}", lineNumber, instruction);
+        }
+
+        internal static void TraceInstruction(string instruction)
+        {
+            CodeGenerationTraceSource.TraceEvent(TraceEventType.Verbose, 0, instruction);
+        }
+
+        private static TraceSource CodeGenerationTraceSource
+        {
+            get
+            {
+                if (_codeGen == null)
+                {
+                    _codeGen = new TraceSource("E5.Runtime.Serialization.CodeGeneration");
+                }
+                return _codeGen;
+            }
+        }
+    }
+}