Fixed SD2-815: Generic delegate throws null reference exception

Fixed SD2-819: Disabling code coverage and code analysis addin causes error on showing project properties

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1426 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

AddIns/ICSharpCode.SharpDevelop.addin

@@ -2123,4 +2123,8 @@
 		<String id = "FormsDesignerGeneratedCode" text=".Designer${Extension}"/>
 		<String id = "FormsDesignerResources"     text=".resx"/>
 	</Path>
+	
+	<Path name="/SharpDevelop/BackendBindings/ProjectOptions/AllManaged">
+		<!-- put project option panels valid for all .NET projects here -->
+	</Path>
 </AddIn>

src/Main/Base/Project/Src/Dom/Implementations/AnonymousMethodReturnType.cs

@@ -67,19 +67,20 @@ namespace ICSharpCode.SharpDevelop.Dom
 		
 		internal static void AddDefaultDelegateMethod(DefaultClass c, IReturnType returnType, IList<IParameter> parameters)
 		{
-			DefaultMethod invokeMethod = new DefaultMethod("Invoke", returnType, ModifierEnum.Public, c.Region, DomRegion.Empty, c);
+			ModifierEnum modifiers = ModifierEnum.Public | ModifierEnum.Synthetic;
+			DefaultMethod invokeMethod = new DefaultMethod("Invoke", returnType, modifiers, c.Region, DomRegion.Empty, c);
 			foreach (IParameter par in parameters) {
 				invokeMethod.Parameters.Add(par);
 			}
 			c.Methods.Add(invokeMethod);
-			invokeMethod = new DefaultMethod("BeginInvoke", c.ProjectContent.SystemTypes.IAsyncResult, ModifierEnum.Public, c.Region, DomRegion.Empty, c);
+			invokeMethod = new DefaultMethod("BeginInvoke", c.ProjectContent.SystemTypes.IAsyncResult, modifiers, c.Region, DomRegion.Empty, c);
 			foreach (IParameter par in parameters) {
 				invokeMethod.Parameters.Add(par);
 			}
 			invokeMethod.Parameters.Add(new DefaultParameter("callback", c.ProjectContent.SystemTypes.AsyncCallback, DomRegion.Empty));
 			invokeMethod.Parameters.Add(new DefaultParameter("object", c.ProjectContent.SystemTypes.Object, DomRegion.Empty));
 			c.Methods.Add(invokeMethod);
-			invokeMethod = new DefaultMethod("EndInvoke", returnType, ModifierEnum.Public, c.Region, DomRegion.Empty, c);
+			invokeMethod = new DefaultMethod("EndInvoke", returnType, modifiers, c.Region, DomRegion.Empty, c);
 			invokeMethod.Parameters.Add(new DefaultParameter("result", c.ProjectContent.SystemTypes.IAsyncResult, DomRegion.Empty));
 			c.Methods.Add(invokeMethod);
 		}

src/Main/Base/Project/Src/Dom/NRefactoryResolver/TypeVisitor.cs

@@ -499,14 +499,14 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 					if (useLazyReturnType) {
 						if (reference.IsGlobal)
 							t = new GetClassReturnType(projectContent, reference.SystemType, typeParameterCount);
-						else
+						else if (callingClass != null)
 							t = new SearchClassReturnType(projectContent, callingClass, caretLine, caretColumn, reference.SystemType, typeParameterCount);
 					} else {
 						IClass c;
 						if (reference.IsGlobal) {
 							c = projectContent.GetClass(reference.SystemType, typeParameterCount);
 							t = (c != null) ? c.DefaultReturnType : null;
-						} else {
+						} else if (callingClass != null) {
 							t = projectContent.SearchType(new SearchTypeRequest(reference.SystemType, typeParameterCount, callingClass, caretLine, caretColumn)).Result;
 						}
 						if (t == null) {

src/Main/Base/Project/Src/Services/ParserService/IProjectContent.cs

@@ -89,15 +89,17 @@ namespace ICSharpCode.Core
 	
 	public struct SearchTypeRequest
 	{
-		public string Name;
-		public int TypeParameterCount;
-		public ICompilationUnit CurrentCompilationUnit;
-		public IClass CurrentType;
-		public int CaretLine;
-		public int CaretColumn;
+		public readonly string Name;
+		public readonly int TypeParameterCount;
+		public readonly ICompilationUnit CurrentCompilationUnit;
+		public readonly IClass CurrentType;
+		public readonly int CaretLine;
+		public readonly int CaretColumn;
 		
 		public SearchTypeRequest(string name, int typeParameterCount, IClass currentType, int caretLine, int caretColumn)
 		{
+			if (currentType == null)
+				throw new ArgumentNullException("currentType");
 			this.Name = name;
 			this.TypeParameterCount = typeParameterCount;
 			this.CurrentCompilationUnit = currentType.CompilationUnit;
@@ -108,6 +110,8 @@ namespace ICSharpCode.Core
 		
 		public SearchTypeRequest(string name, int typeParameterCount, IClass currentType, ICompilationUnit currentCompilationUnit, int caretLine, int caretColumn)
 		{
+			if (currentCompilationUnit == null)
+				throw new ArgumentNullException("currentCompilationUnit");
 			this.Name = name;
 			this.TypeParameterCount = typeParameterCount;
 			this.CurrentCompilationUnit = currentCompilationUnit;
@@ -121,8 +125,8 @@ namespace ICSharpCode.Core
 	{
 		public static readonly SearchTypeResult Empty = new SearchTypeResult(null);
 		
-		IReturnType result;
-		IUsing usedUsing;
+		readonly IReturnType result;
+		readonly IUsing usedUsing;
 		
 		public SearchTypeResult(IReturnType result) : this(result, null) {}