- added ClassInheritanceTreeClassesOnly to IClass

- LocalizeExtension does not crash if resource is not found
- added PositionChanged to ITextEditorCaret

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@4382 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/UnitTesting/Test/Utils/MockClass.cs

@@ -179,6 +179,12 @@ namespace UnitTesting.Tests.Utils
 			}
 		}
 		
+		public IEnumerable<IClass> ClassInheritanceTreeClassesOnly {
+			get {
+				throw new NotImplementedException();
+			}
+		}
+		
 		public IReturnType BaseType {
 			get {
 				throw new NotImplementedException();

src/Main/Base/Project/Src/Editor/AvalonEdit/AvalonEditTextEditorAdapter.cs

@@ -103,6 +103,11 @@ namespace ICSharpCode.SharpDevelop.Editor
 				get { return AvalonEditDocumentAdapter.ToLocation(caret.Location); }
 				set { caret.Location = AvalonEditDocumentAdapter.ToPosition(value); }
 			}
+			
+			public event EventHandler PositionChanged {
+				add    { caret.PositionChanged += value; }
+				remove { caret.PositionChanged -= value; }
+			}
 		}
 		
 		sealed class OptionsAdapter : ITextEditorOptions

src/Main/Base/Project/Src/Editor/ITextEditor.cs

@@ -141,5 +141,10 @@ namespace ICSharpCode.SharpDevelop.Editor
 		/// Gets/sets the caret position.
 		/// </summary>
 		Location Position { get; set; }
+		
+		/// <summary>
+		/// Is raised whenever the position of the caret has changed.
+		///	</summary>
+		event EventHandler PositionChanged;
 	}
 }

src/Main/Base/Project/Src/TextEditor/Gui/TextEditorAdapter.cs

@@ -72,6 +72,11 @@ namespace ICSharpCode.SharpDevelop
 					caret.Position = ToPosition(value);
 				}
 			}
+			
+			public event EventHandler PositionChanged {
+				add    { caret.PositionChanged += value; }
+				remove { caret.PositionChanged -= value; }
+			}
 		}
 		
 		sealed class OptionsAdapter : ITextEditorOptions

src/Main/Base/Test/Utils/MockClass.cs

@@ -127,6 +127,12 @@ namespace ICSharpCode.SharpDevelop.Tests.Utils
 			}
 		}
 		
+		public IEnumerable<IClass> ClassInheritanceTreeClassesOnly {
+			get {
+				throw new NotImplementedException();
+			}
+		}
+		
 		public IClass BaseClass {
 			get {
 				return BaseType.GetUnderlyingClass();

src/Main/ICSharpCode.Core.Presentation/LocalizeExtension.cs

@@ -31,10 +31,14 @@ namespace ICSharpCode.Core.Presentation
 		
 		public override object ProvideValue(IServiceProvider serviceProvider)
 		{
-			string result = ResourceService.GetString(key);
-			if (UsesAccessors)
-				result = MenuService.ConvertLabel(result);
-			return result;
+			try {
+				string result = ResourceService.GetString(key);
+				if (UsesAccessors)
+					result = MenuService.ConvertLabel(result);
+				return result;
+			} catch (ResourceNotFoundException) {
+				return "{Localize:" + key + "}";
+			}
 		}
 	}
 }

src/Main/ICSharpCode.SharpDevelop.Dom/Project/ICSharpCode.SharpDevelop.Dom.csproj

@@ -203,5 +203,9 @@
     <Folder Include="Src\CSharp" />
     <Folder Include="Src\VBNet" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="ProfilingSessions\Session20090702_124951.sdps" />
+    <Content Include="ProfilingSessions\Session20090702_131909.sdps" />
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
 </Project>

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Implementations/DefaultClass.cs

@@ -369,6 +369,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 		}
 		
 		volatile IClass[] inheritanceTreeCache;
+		volatile IClass[] inheritanceTreeClassesOnlyCache;
 		
 		public IEnumerable<IClass> ClassInheritanceTree {
 			get {
@@ -398,7 +399,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 					return inheritanceTree;
 				}
 				
-				inheritanceTree = CalculateClassInheritanceTree();
+				inheritanceTree = CalculateClassInheritanceTree(false);
 				
 				this.inheritanceTreeCache = inheritanceTree;
 				if (!KeepInheritanceTree)
@@ -408,12 +409,51 @@ namespace ICSharpCode.SharpDevelop.Dom
 			}
 		}
 		
+		public IEnumerable<IClass> ClassInheritanceTreeClassesOnly {
+			get {
+				// Notes:
+				// the ClassInheritanceTree must work even if the following things happen:
+				// - cyclic inheritance
+				// - multithreaded calls
+				
+				// Recursive calls are possible if the SearchType request done by GetUnderlyingClass()
+				// uses ClassInheritanceTree.
+				// Such recursive calls are tricky, they have caused incorrect behavior (SD2-1474)
+				// or performance problems (SD2-1510) in the past.
+				// As of revision 3769, NRefactoryAstConvertVisitor sets up the SearchClassReturnType
+				// used for base types so that it does not look up inner classes in the class itself,
+				// so the ClassInheritanceTree is not used created in those cases.
+				// However, other language bindings might not set up base types correctly, so it's
+				// still possible that ClassInheritanceTree is called recursivly.
+				// In that case, we'll return an invalid inheritance tree because of
+				// ProxyReturnType's automatic stack overflow prevention.
+				
+				// We do not use locks to protect against multithreaded calls because
+				// resolving one class's base types can cause getting the inheritance tree
+				// of another class -> beware of deadlocks
+				
+				IClass[] inheritanceTreeClassesOnly = this.inheritanceTreeClassesOnlyCache;
+				if (inheritanceTreeClassesOnly != null) {
+					return inheritanceTreeClassesOnly;
+				}
+				
+				inheritanceTreeClassesOnly = CalculateClassInheritanceTree(true);
+				
+				this.inheritanceTreeClassesOnlyCache = inheritanceTreeClassesOnly;
+				if (!KeepInheritanceTree)
+					DomCache.RegisterForClear(ClearCachedInheritanceTree);
+				
+				return inheritanceTreeClassesOnly;
+			}
+		}
+		
 		void ClearCachedInheritanceTree()
 		{
+			inheritanceTreeClassesOnlyCache = null;
 			inheritanceTreeCache = null;
 		}
 		
-		IClass[] CalculateClassInheritanceTree()
+		IClass[] CalculateClassInheritanceTree(bool ignoreInterfaces)
 		{
 			List<IClass> visitedList = new List<IClass>();
 			Queue<IReturnType> typesToVisit = new Queue<IReturnType>();
@@ -422,7 +462,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 			IReturnType nextType;
 			do {
 				if (currentClass != null) {
-					if (!visitedList.Contains(currentClass)) {
+					if ((!ignoreInterfaces || currentClass.ClassType != ClassType.Interface) && !visitedList.Contains(currentClass)) {
 						visitedList.Add(currentClass);
 						foreach (IReturnType type in currentClass.BaseTypes) {
 							typesToVisit.Enqueue(type);

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Interfaces/IClass.cs

@@ -74,6 +74,10 @@ namespace ICSharpCode.SharpDevelop.Dom
 			get;
 		}
 		
+		IEnumerable<IClass> ClassInheritanceTreeClassesOnly {
+			get;
+		}
+		
 		IClass BaseClass {
 			get;
 		}