C#: Move ExitCode enum out of Extractor class.

Author: michaelnebel

csharp/extractor/Semmle.Extraction.CSharp.Standalone/Program.cs

@@ -51,7 +51,7 @@ public void Dispose()
 
     public class Program
     {
-        public static Extractor.ExitCode Run(Options options)
+        public static ExitCode Run(Options options)
         {
             var stopwatch = new Stopwatch();
             stopwatch.Start();
@@ -64,7 +64,7 @@ public static Extractor.ExitCode Run(Options options)
             if (sourceFileCount == 0)
             {
                 logger.Log(Severity.Error, "No source files found");
-                return Extractor.ExitCode.Errors;
+                return ExitCode.Errors;
             }
 
             if (!options.SkipExtraction)
@@ -81,7 +81,7 @@ public static Extractor.ExitCode Run(Options options)
                     options);
                 logger.Log(Severity.Info, $"Extraction completed in {stopwatch.Elapsed}");
             }
-            return Extractor.ExitCode.Ok;
+            return ExitCode.Ok;
         }
 
         public static int Main(string[] args)

csharp/extractor/Semmle.Extraction.CSharp/Extractor/Extractor.cs

@@ -16,15 +16,15 @@
 
 namespace Semmle.Extraction.CSharp
 {
-    public static class Extractor
+    public enum ExitCode
     {
-        public enum ExitCode
-        {
-            Ok,         // Everything worked perfectly
-            Errors,     // Trap was generated but there were processing errors
-            Failed      // Trap could not be generated
-        }
+        Ok,         // Everything worked perfectly
+        Errors,     // Trap was generated but there were processing errors
+        Failed      // Trap could not be generated
+    }
 
+    public static class Extractor
+    {
         private class LogProgressMonitor : IProgressMonitor
         {
             private readonly ILogger logger;