Fixed SD2-1092: FxCop Crashed #Develop while checking Serrlongue source code.

MSBuild loggers need to check for a valid filename before passing it to the System.IO.Path.* methods.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2018 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/CodeAnalysis/Src/FxCopLogger.cs

@@ -7,6 +7,7 @@
 
 using System;
 using System.IO;
+using ICSharpCode.Core;
 using ICSharpCode.SharpDevelop;
 using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Project;
@@ -85,7 +86,8 @@ namespace ICSharpCode.CodeAnalysis
 			{
 				string[] moreData = (subcategory ?? "").Split('|');
 				BuildError err = engine.CurrentErrorOrWarning;
-				if (Path.GetFileName(file) == "SharpDevelop.CodeAnalysis.targets") {
+				if (FileUtility.IsValidFileName(file) &&
+				    Path.GetFileName(file) == "SharpDevelop.CodeAnalysis.targets") {
 					err.FileName = null;
 				}
 				IProject project = ProjectService.GetProject(engine.CurrentProjectFile);

src/Main/Base/Project/Src/Project/MSBuildEngine.cs

@@ -371,7 +371,7 @@ namespace ICSharpCode.SharpDevelop.Project
 			{
 				if (string.Equals(file, activeTaskName, StringComparison.InvariantCultureIgnoreCase)) {
 					file = "";
-				} else {
+				} else if (FileUtility.IsValidFileName(file)) {
 					bool isShortFileName = file == Path.GetFileNameWithoutExtension(file);
 					if (engine.CurrentProjectFile != null) {
 						file = Path.Combine(Path.GetDirectoryName(engine.CurrentProjectFile), file);