Fixed problem with trailing space in expressions for VB debugger tooltips.

DomPersistence no longer crashes when the cache index file is corrupted.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1307 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Dom/ReflectionLayer/DomPersistence.cs

@@ -107,6 +107,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 			string indexFile = GetIndexFileName();
 			Dictionary<string, string> list = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase);
 			if (File.Exists(indexFile)) {
+				try {
 					using (FileStream fs = new FileStream(indexFile, FileMode.Open, FileAccess.Read)) {
 						using (BinaryReader reader = new BinaryReader(fs)) {
 							if (reader.ReadInt64() != IndexFileMagic) {
@@ -122,12 +123,13 @@ namespace ICSharpCode.SharpDevelop.Dom
 								string key = reader.ReadString();
 								list[key] = reader.ReadString();
 							}
-						return list;
 						}
 					}
-			} else {
-				return list;
+				} catch (IOException ex) {
+					LoggingService.Warn("Error reading DomPersistance cache index", ex);
+				}
 			}
+			return list;
 		}
 		
 		static void SaveCacheIndex(Dictionary<string, string> cacheIndex)

src/Main/Base/Project/Src/Services/Debugger/DebuggerService.cs

@@ -311,8 +311,8 @@ namespace ICSharpCode.Core
 						return;
 					string textContent = doc.TextContent;
 					ExpressionResult expressionResult = expressionFinder.FindFullExpression(textContent, seg.Offset + logicPos.X);
-					string expression = expressionResult.Expression;
-					if (expression != null && expression.Length > 0) {
+					string expression = (expressionResult.Expression ?? "").Trim();
+					if (expression.Length > 0) {
 						// Look if it is variable
 						ResolveResult result = ParserService.Resolve(expressionResult, logicPos.Y + 1, logicPos.X + 1, textArea.MotherTextEditorControl.FileName, textContent);
 						bool debuggerCanShowValue;
@@ -446,6 +446,7 @@ namespace ICSharpCode.Core
 				text.Append(member.ToString());
 			}
 			if (tryDisplayValue && currentDebugger != null) {
+				LoggingService.Info("asking debugger for value of '" + expression + "'");
 				string currentValue = currentDebugger.GetValueAsString(expression);
 				if (currentValue != null) {
 					debuggerCanShowValue = true;

src/Main/Base/Project/Src/Services/RefactoringService/CodeGenerator.cs

@@ -348,7 +348,9 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 		public virtual MethodDeclaration CreateOnEventMethod(IEvent e)
 		{
 			TypeReference type;
-			if (e.ReturnType.TypeArguments != null && e.ReturnType.Name == "EventHandler") {
+			if (e.ReturnType == null) {
+				type = new TypeReference("?");
+			} else if (e.ReturnType.TypeArguments != null && e.ReturnType.Name == "EventHandler") {
 				type = ConvertType(e.ReturnType.TypeArguments[0], new ClassFinder(e));
 			} else {
 				type = ConvertType(e.ReturnType, new ClassFinder(e));