Add source-level excision time reporting.

Author: webbju

ServerCodeExciser/ServerCodeExcisionProcessor.cs

@@ -1,8 +1,8 @@
 using Antlr4.Runtime;
 using ServerCodeExcisionCommon;
 using System;
-using System.Collections;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -61,7 +61,7 @@ public ServerCodeExcisionProcessor(ServerCodeExcisionParameters parameters)
 
         public EExciserReturnValues ExciseServerCode(string filePattern, IServerCodeExcisionLanguage excisionLanguage)
         {
-            var startTime = DateTime.UtcNow;
+            var globalStopwatch = Stopwatch.StartNew();
             var globalStats = new ExcisionStats();
 
             var options = new EnumerationOptions();
@@ -107,30 +107,33 @@ public EExciserReturnValues ExciseServerCode(string filePattern, IServerCodeExci
 
                     try
                     {
+                        var stopwatch = Stopwatch.StartNew();
                         var stats = ProcessCodeFile(fileName, inputPath, excisionMode, excisionLanguage);
+                        stopwatch.Stop();
+
                         if (stats.CharactersExcised > 0)
                         {
                             System.Diagnostics.Debug.Assert(stats.TotalNrCharacters > 0, "Something is terribly wrong. We have excised characters, but no total characters..?");
                             var excisionRatio = (float)stats.CharactersExcised / (float)stats.TotalNrCharacters * 100.0f;
-                            Console.WriteLine("Excised {0:0.00}% of server only code in file ({1}/{2}): {3}", excisionRatio, fileIdx + 1, allFiles.Length, fileName);
+                            Console.WriteLine($"[{fileIdx + 1}/{allFiles.Length}] Excised {excisionRatio:0.00}% of server only code in file (took {stopwatch.Elapsed.TotalMilliseconds:0.0}ms): {fileName}");
                         }
                         else
                         {
-                            Console.WriteLine("No server only code found in file ({0}/{1}): {2}", fileIdx + 1, allFiles.Length, fileName);
+                            Console.WriteLine($"[{fileIdx + 1}/{allFiles.Length}] No server only code found in file: {fileName}");
                         }
 
                         globalStats.CharactersExcised += stats.CharactersExcised;
                         globalStats.TotalNrCharacters += stats.TotalNrCharacters;
                     }
                     catch (Exception)
                     {
-                        Console.WriteLine("Failed to parse ({0}/{1}): {2}", fileIdx + 1, allFiles.Length, fileName);
+                        Console.Error.WriteLine($"[{fileIdx + 1}/{allFiles.Length}] Failed to parse: {fileName}");
                         throw;
                     }
                 }
             }
 
-            var endTime = DateTime.UtcNow;
+            globalStopwatch.Stop();
 
             // In verification mode error codes reverse the normal behavior of the exciser.
             // Modifications required -> error
@@ -157,8 +160,7 @@ public EExciserReturnValues ExciseServerCode(string filePattern, IServerCodeExci
                 Console.WriteLine("Excised {0:0.00}% ({1}/{2} characters) of server only code from the script files.",
                             totalExcisionRatio, globalStats.CharactersExcised, globalStats.TotalNrCharacters);
 
-                var timeTaken = endTime - startTime;
-                Console.WriteLine("Excision took {0:0} hours, {1:0} minutes and {2:0.0} seconds.\n\n", timeTaken.Hours, timeTaken.Minutes, timeTaken.Seconds);
+                Console.WriteLine($"Excision took {globalStopwatch.Elapsed.TotalSeconds:0.0}s.");
 
                 if (_parameters.RequiredExcisionRatio > 0.0f && totalExcisionRatio < _parameters.RequiredExcisionRatio)
                 {