Fixed the parse information not being updated when a window is closed with discarding the changes.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@3558 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Gui/Workbench/Layouts/SdiWorkspaceWindow.cs

@@ -335,6 +335,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		public bool CloseWindow(bool force)
 		{
+			bool fileDiscarded = false;
 			if (!force && this.IsDirty) {
 				DialogResult dr = MessageBox.Show(ResourceService.GetString("MainWindow.SaveChangesMessage"),
 				                                  ResourceService.GetString("MainWindow.SaveChangesMessageHeader") + " " + Title + " ?",
@@ -350,6 +351,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 									vc.Files.Foreach(ICSharpCode.SharpDevelop.Commands.SaveFile.Save);
 									if (vc.IsDirty) {
 										if (MessageService.AskQuestion("${res:MainWindow.DiscardChangesMessage}")) {
+											fileDiscarded = true;
 											break;
 										}
 									} else {
@@ -360,14 +362,39 @@ namespace ICSharpCode.SharpDevelop.Gui
 						}
 						break;
 					case DialogResult.No:
+						fileDiscarded = true;
 						break;
 					case DialogResult.Cancel:
 						return false;
 				}
 			}
+			
+			// Create list of files to reparse after the window is closed.
+			// This is necessary because when changes were discarded,
+			// the ParserService still has the information with the changes
+			// that are now invalid.
+			string[] filesToReparse;
+			if (fileDiscarded) {
+				filesToReparse = this.ViewContents
+					.SelectMany(vc => vc.Files)
+					.Select(f => f.FileName)
+					.Distinct(StringComparer.OrdinalIgnoreCase)
+					.ToArray();
+			} else {
+				filesToReparse = null;
+			}
 
 			OnCloseEvent(null);
 			Dispose();
+			
+			if (filesToReparse != null) {
+				// This must happen after Dispose so that the ViewContents
+				// are closed and their content is no longer found by
+				// the ParserService.
+				LoggingService.Debug("SdiWorkspaceWindow closed with discarding changes, enqueueing files for parsing: " + String.Join(", ", filesToReparse));
+				filesToReparse.Foreach(ParserService.EnqueueForParsing);
+			}
+			
 			return true;
 		}