Improved support for partial classes.

Improved C# new completion.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@247 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/CSharpBinding/Project/Src/CSharpCompletionBinding.cs

@@ -29,7 +29,7 @@ namespace CSharpBinding
 		{
 			if (!CheckExtension(editor))
 				return false;
-			CSharpBinding.Parser.ExpressionFinder ef = new CSharpBinding.Parser.ExpressionFinder();
+			Parser.ExpressionFinder ef = new Parser.ExpressionFinder(editor.FileName);
 			int cursor = editor.ActiveTextAreaControl.Caret.Offset;
 			ExpressionContext context = null;
 			if (ch == '(') {
@@ -175,11 +175,25 @@ namespace CSharpBinding
 					editor.ShowCompletionWindow(new CtrlSpaceCompletionDataProvider(ExpressionContext.Type), ' ');
 					return true;
 				case "new":
-					editor.ShowCompletionWindow(new CtrlSpaceCompletionDataProvider(ExpressionContext.ObjectCreation), ' ');
-					return true;
+					return ShowNewCompletion(editor);
+				case "override":
+					// TODO: Suggest list of virtual methods to override
+					return false;
 				default:
 					return base.HandleKeyword(editor, word);
 			}
 		}
+		
+		bool ShowNewCompletion(SharpDevelopTextAreaControl editor)
+		{
+			Parser.ExpressionFinder ef = new Parser.ExpressionFinder(editor.FileName);
+			int cursor = editor.ActiveTextAreaControl.Caret.Offset;
+			ExpressionContext context = ef.FindExpression(editor.Document.GetText(0, cursor) + " T.", cursor + 2).Context;
+			if (context.IsObjectCreation) {
+				editor.ShowCompletionWindow(new CtrlSpaceCompletionDataProvider(context), ' ');
+				return true;
+			}
+			return false;
+		}
 	}
 }

src/AddIns/BackendBindings/CSharpBinding/Project/Src/Parser/ExpressionFinder.cs

@@ -7,6 +7,7 @@
 
 using System;
 using System.Text;
+using ICSharpCode.Core;
 using ICSharpCode.SharpDevelop.Dom;
 
 namespace CSharpBinding.Parser
@@ -16,6 +17,13 @@ namespace CSharpBinding.Parser
 	/// </summary>
 	public class ExpressionFinder : IExpressionFinder
 	{
+		string fileName;
+		
+		public ExpressionFinder(string fileName)
+		{
+			this.fileName = fileName;
+		}
+		
 		#region Capture Context
 		ExpressionResult CreateResult(string expression, string inText, int offset)
 		{
@@ -23,13 +31,60 @@ namespace CSharpBinding.Parser
 				return new ExpressionResult(null);
 			if (expression.StartsWith("using "))
 				return new ExpressionResult(expression.Substring(6).TrimStart(), ExpressionContext.Namespace, null);
-			if (!hadParenthesis && expression.StartsWith("new "))
-				return new ExpressionResult(expression.Substring(4).TrimStart(), ExpressionContext.ObjectCreation, null);
+			if (!hadParenthesis && expression.StartsWith("new ")) {
+				return new ExpressionResult(expression.Substring(4).TrimStart(), GetCreationContext(), null);
+			}
 			if (IsInAttribute(inText, offset))
 				return new ExpressionResult(expression, ExpressionContext.Attribute);
 			return new ExpressionResult(expression);
 		}
 		
+		ExpressionContext GetCreationContext()
+		{
+			UnGetToken();
+			if (GetNextNonWhiteSpace() == '=') { // was: "= new"
+				ReadNextToken();
+				if (curTokenType == Ident) {     // was: "ident = new"
+					int typeEnd = offset;
+					ReadNextToken();
+					int typeStart = -1;
+					while (curTokenType == Ident) {
+						typeStart = offset + 1;
+						ReadNextToken();
+						if (curTokenType == Dot) {
+							ReadNextToken();
+						} else {
+							break;
+						}
+					}
+					if (typeStart >= 0) {
+						string className = text.Substring(typeStart, typeEnd - typeStart);
+						int pos = className.IndexOf('<');
+						string nonGenericClassName;
+						if (pos > 0)
+							nonGenericClassName = className.Substring(0, pos);
+						else
+							nonGenericClassName = className;
+						ClassFinder finder = new ClassFinder(fileName, text, typeStart);
+						IClass c = finder.SearchClass(nonGenericClassName);
+						if (c != null) {
+							ExpressionContext context = ExpressionContext.TypeDerivingFrom(c, true);
+							if (context.ShowEntry(c))
+								context.SuggestedItem = c;
+							return context;
+						}
+					}
+				}
+			} else {
+				UnGet();
+				ReadNextToken();
+				if (curTokenType == Ident && lastIdentifier == "throw") {
+					return ExpressionContext.TypeDerivingFrom(ProjectContentRegistry.Mscorlib.GetClass("System.Exception"), true);
+				}
+			}
+			return ExpressionContext.ObjectCreation;
+		}
+		
 		bool IsInAttribute(string txt, int offset)
 		{
 			// Get line start:
@@ -93,6 +148,7 @@ namespace CSharpBinding.Parser
 					lastAccept = this.offset;
 				}
 				if (state == ACCEPTNOMORE) {
+					lastExpressionStartPosition = offset + 1;
 					return this.text.Substring(this.offset + 1, offset - this.offset);
 				}
 			}
@@ -100,12 +156,16 @@ namespace CSharpBinding.Parser
 			if (lastAccept < 0)
 				return null;
 			
+			lastExpressionStartPosition = lastAccept + 1;
+			
 			return this.text.Substring(this.lastAccept + 1, offset - this.lastAccept);
 		}
 		
+		int lastExpressionStartPosition;
+		
 		internal int LastExpressionStartPosition {
 			get {
-				return ((state == ACCEPTNOMORE) ? offset : lastAccept) + 1;
+				return lastExpressionStartPosition;
 			}
 		}
 		#endregion
@@ -421,6 +481,15 @@ namespace CSharpBinding.Parser
 			return '\0';
 		}
 		
+		char GetNextNonWhiteSpace()
+		{
+			char ch;
+			do {
+				ch = GetNext();
+			} while (char.IsWhiteSpace(ch));
+			return ch;
+		}
+		
 		char Peek(int n)
 		{
 			if (offset - n >= 0) {
@@ -442,6 +511,13 @@ namespace CSharpBinding.Parser
 			++offset;
 		}
 		
+		void UnGetToken()
+		{
+			do {
+				UnGet();
+			} while (char.IsLetterOrDigit(Peek()));
+		}
+		
 		// tokens for our lexer
 		static int Err     = 0;
 		static int Dot     = 1;
@@ -470,17 +546,17 @@ namespace CSharpBinding.Parser
 		/// </summary>
 		bool hadParenthesis;
 		
+		string lastIdentifier;
+		
 		void ReadNextToken()
 		{
-			char ch;
+			
 			
 			curTokenType = Err;
-			do {
-				ch = GetNext();
-				if (ch == '\0') {
-					return;
-				}
-			} while (Char.IsWhiteSpace(ch));
+			char ch = GetNextNonWhiteSpace();
+			if (ch == '\0') {
+				return;
+			}
 			
 			
 			switch (ch) {
@@ -537,6 +613,7 @@ namespace CSharpBinding.Parser
 									break;
 								default:
 									curTokenType = Ident;
+									lastIdentifier = ident;
 									break;
 							}
 						}

src/AddIns/BackendBindings/CSharpBinding/Project/Src/Parser/Parser.cs

@@ -32,10 +32,9 @@ namespace CSharpBinding.Parser
 			}
 		}
 		
-		public IExpressionFinder ExpressionFinder {
-			get {
-				return new ExpressionFinder();
-			}
+		public IExpressionFinder CreateExpressionFinder(string fileName)
+		{
+			return new ExpressionFinder(fileName);
 		}
 		
 		public bool CanParse(string fileName)

src/AddIns/BackendBindings/VBNetBinding/Project/Src/MyNamespaceBuilder.cs

@@ -114,8 +114,14 @@ namespace VBNetBinding
 			public override List<IProperty> Properties {
 				get {
 					List<IProperty> properties = new List<IProperty>();
+					IProjectContent pc = ProjectContentRegistry.GetExistingProjectContent(new System.Reflection.AssemblyName("System.Windows.Forms"));
+					if (pc == null)
+						return properties;
+					IClass formClass = pc.GetClass("System.Windows.Forms.Form");
+					if (formClass == null)
+						return properties;
 					foreach (IClass c in this.ProjectContent.Classes) {
-						if (c.BaseTypes.Contains("System.Windows.Forms.Form")) {
+						if (c.BaseClass == formClass) {
 							properties.Add(new DefaultProperty(c.Name,
 							                                   new GetClassReturnType(this.ProjectContent, c.FullyQualifiedName),
 							                                   ModifierEnum.Public | ModifierEnum.Static,

src/AddIns/BackendBindings/VBNetBinding/Project/Src/Parser/Parser.cs

@@ -35,12 +35,9 @@ namespace VBNetBinding.Parser
 			}
 		}
 
-		public IExpressionFinder ExpressionFinder
+		public IExpressionFinder CreateExpressionFinder(string fileName)
 		{
-			get
-			{
-				return new ExpressionFinder();
-			}
+			return new ExpressionFinder();
 		}
 
 		public bool CanParse(string fileName)

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

@@ -183,7 +183,7 @@
       <SubType>UserControl</SubType>
     </Compile>
     <Compile Include="Src\Gui\Dialogs\CommonAboutDialog.cs">
-      <SubType>Form</SubType>
+      <SubType>UserControl</SubType>
     </Compile>
     <Compile Include="Src\Gui\Dialogs\DirtyFilesDialog.cs" />
     <Compile Include="Src\Gui\Dialogs\FolderDialog.cs" />
@@ -202,7 +202,7 @@
       <SubType>Form</SubType>
     </Compile>
     <Compile Include="Src\Gui\Dialogs\TreeViewOptions.cs">
-      <SubType>Component</SubType>
+      <SubType>Form</SubType>
     </Compile>
     <Compile Include="Src\Gui\Dialogs\ViewGPLDialog.cs">
       <SubType>Form</SubType>
@@ -267,7 +267,7 @@
       <SubType>Form</SubType>
     </Compile>
     <Compile Include="Src\Gui\Pads\FileScout.cs">
-      <SubType>UserControl</SubType>
+      <SubType>Component</SubType>
     </Compile>
     <Compile Include="Src\Gui\Pads\OpenTaskView.cs" />
     <Compile Include="Src\Gui\Pads\PropertyPad\PropertyPad.cs" />
@@ -682,6 +682,7 @@
     <Compile Include="Src\TextEditor\Gui\OptionPanels\CodeCompletionPanel.cs" />
     <Compile Include="Src\Dom\CodeCompletionOptions.cs" />
     <Compile Include="Src\Services\Debugger\CurrentLineBookmark.cs" />
+    <Compile Include="Src\Dom\ClassFinder.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Libraries\DockPanel_Src\WinFormsUI\WinFormsUI.csproj">
@@ -702,4 +703,4 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
-</Project>
+</Project>

src/Main/Base/Project/Src/Dom/ClassFinder.cs

@@ -0,0 +1,78 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt">2002-2005 AlphaSierraPapa</copyright>
+//     <license see="prj:///doc/license.txt">GNU General Public License</license>
+//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using ICSharpCode.Core;
+
+namespace ICSharpCode.SharpDevelop.Dom
+{
+	/// <summary>
+	/// Interface for objects that can find classes.
+	/// </summary>
+	public class ClassFinder
+	{
+		int caretLine, caretColumn;
+		ICompilationUnit cu;
+		IClass callingClass;
+		IProjectContent projectContent;
+		
+		public ClassFinder(string fileName, string fileContent, int offset)
+		{
+			caretLine = 0;
+			caretColumn = 0;
+			for (int i = 0; i < offset; i++) {
+				if (fileContent[i] == '\n') {
+					caretLine++;
+					caretColumn = 0;
+				} else {
+					caretColumn++;
+				}
+			}
+			Init(fileName);
+		}
+		
+		public ClassFinder(string fileName, int caretLineNumber, int caretColumn)
+		{
+			this.caretLine   = caretLineNumber;
+			this.caretColumn = caretColumn;
+			
+			Init(fileName);
+		}
+		
+		void Init(string fileName)
+		{
+			ParseInformation parseInfo = ParserService.GetParseInformation(fileName);
+			if (parseInfo == null) {
+				return;
+			}
+			
+			cu = parseInfo.MostRecentCompilationUnit;
+			
+			if (cu != null) {
+				callingClass = cu.GetInnermostClass(caretLine, caretColumn);
+				projectContent = cu.ProjectContent;
+			} else {
+				projectContent = ParserService.CurrentProjectContent;
+			}
+		}
+		
+		public IClass GetClass(string fullName)
+		{
+			return projectContent.GetClass(fullName);
+		}
+		
+		public IClass SearchClass(string name)
+		{
+			return projectContent.SearchType(name, callingClass, cu, caretLine, caretColumn);
+		}
+		
+		public string SearchNamespace(string name)
+		{
+			return projectContent.SearchNamespace(name, callingClass, cu, caretLine, caretColumn);
+		}
+	}
+}

src/Main/Base/Project/Src/Dom/IClass.cs

@@ -94,7 +94,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 			get;
 		}
 
-		IEnumerable ClassInheritanceTree {
+		IEnumerable<IClass> ClassInheritanceTree {
 			get;
 		}
 		

src/Main/Base/Project/Src/Dom/IParser.cs

@@ -21,9 +21,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 			set;
 		}
 		
-		IExpressionFinder ExpressionFinder {
-			get;
-		}
+		IExpressionFinder CreateExpressionFinder(string fileName);
 		
 		/// <summary>
 		/// Gets if the parser can parse the specified file.

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

@@ -27,12 +27,19 @@ namespace ICSharpCode.SharpDevelop.Dom
 				return fullyQualifiedName;
 			}
 			set {
+				if (fullyQualifiedName == value)
+					return;
 				fullyQualifiedName = value;
 				name   = null;
 				nspace = null;
+				OnFullyQualifiedNameChanged(EventArgs.Empty);
 			}
 		}
 		
+		protected virtual void OnFullyQualifiedNameChanged(EventArgs e)
+		{
+		}
+		
 		public virtual string DotNetName {
 			get {
 				if (this.DeclaringType != null) {

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

@@ -61,6 +61,14 @@ namespace ICSharpCode.SharpDevelop.Dom
 			this.Modifiers = modifier;
 		}
 		
+		/// <summary>
+		/// CompoundClass has a normal return type even though IsPartial is set.
+		/// </summary>
+		protected override IReturnType CreateDefaultReturnType()
+		{
+			return new DefaultReturnType(this);
+		}
+		
 		public override List<IClass> InnerClasses {
 			get {
 				List<IClass> l = new List<IClass>();

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

@@ -64,7 +64,20 @@ namespace ICSharpCode.SharpDevelop.Dom
 		
 		protected virtual IReturnType CreateDefaultReturnType()
 		{
-			return new DefaultReturnType(this);
+			if (IsPartial) {
+				return new GetClassReturnType(ProjectContent, FullyQualifiedName);
+			} else {
+				return new DefaultReturnType(this);
+			}
+		}
+		
+		protected override void OnFullyQualifiedNameChanged(EventArgs e)
+		{
+			base.OnFullyQualifiedNameChanged(e);
+			GetClassReturnType rt = defaultReturnType as GetClassReturnType;
+			if (rt != null) {
+				rt.SetFullyQualifiedName(FullyQualifiedName);
+			}
 		}
 		
 		public ICompilationUnit CompilationUnit {
@@ -207,16 +220,23 @@ namespace ICSharpCode.SharpDevelop.Dom
 			return CompareTo((IClass)o);
 		}
 		
-		// TODO: Cache ClassInheritanceTree as it is called many times (for GetFields(), GetProperties() etc.)
-		// and it is expensive to execute SearchType so often.
-		// ReflectionClass should cache it forever; DefaultClass only as long as no new CompilationUnits
-		// are created.
-		public IEnumerable ClassInheritanceTree {
+		List<IClass> inheritanceTreeCache;
+		
+		public IEnumerable<IClass> ClassInheritanceTree {
 			get {
-				return new ClassInheritanceEnumerator(this);
+				if (UseInheritanceCache) {
+					if (inheritanceTreeCache == null) {
+						inheritanceTreeCache = new List<IClass>(new ClassInheritanceEnumerator(this));
+					}
+					return inheritanceTreeCache;
+				} else {
+					return new ClassInheritanceEnumerator(this);
+				}
 			}
 		}
 		
+		protected bool UseInheritanceCache = false;
+		
 		protected override bool CanBeSubclass {
 			get {
 				return true;
@@ -238,13 +258,19 @@ namespace ICSharpCode.SharpDevelop.Dom
 			}
 		}
 		
+		IClass cachedBaseClass;
+		
 		public IClass BaseClass {
 			get {
 				Debug.Assert(ProjectContent != null);
 				
 				if (BaseTypes.Count > 0) {
+					if (UseInheritanceCache && cachedBaseClass != null)
+						return cachedBaseClass;
 					IClass baseClass = GetBaseClass(0);
 					if (baseClass != null && baseClass.ClassType != ClassType.Interface) {
+						if (UseInheritanceCache)
+							cachedBaseClass = baseClass;
 						return baseClass;
 					}
 				}
@@ -397,7 +423,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 			return members;
 		}
 		
-		public class ClassInheritanceEnumerator : IEnumerator, IEnumerable
+		public class ClassInheritanceEnumerator : IEnumerator<IClass>, IEnumerable<IClass>
 		{
 			IClass topLevelClass;
 			IClass currentClass  = null;
@@ -423,7 +449,12 @@ namespace ICSharpCode.SharpDevelop.Dom
 				baseTypeQueue.Enqueue(new BaseType(null, "System.Object"));
 			}
 			
-			public IEnumerator GetEnumerator()
+			public IEnumerator<IClass> GetEnumerator()
+			{
+				return this;
+			}
+			
+			IEnumerator IEnumerable.GetEnumerator()
 			{
 				return this;
 			}
@@ -494,6 +525,14 @@ namespace ICSharpCode.SharpDevelop.Dom
 				PutBaseClassesOnStack(topLevelClass);
 				baseTypeQueue.Enqueue(new BaseType(null, "System.Object"));
 			}
+			
+			public void Dispose()
+			{
+				baseTypeQueue = null;
+				finishedClasses = null;
+				topLevelClass = null;
+				currentClass = null;
+			}
 		}
 	}
 }

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

@@ -24,12 +24,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 		public GetClassReturnType(IProjectContent content, string fullName)
 		{
 			this.content = content;
-			this.fullName = fullName;
-			int pos = fullName.LastIndexOf('.');
-			if (pos < 0)
-				shortName = fullName;
-			else
-				shortName = fullName.Substring(pos + 1);
+			SetFullyQualifiedName(fullName);
 		}
 		
 		public override bool IsDefaultReturnType {
@@ -70,6 +65,18 @@ namespace ICSharpCode.SharpDevelop.Dom
 			}
 		}
 		
+		public void SetFullyQualifiedName(string fullName)
+		{
+			if (fullName == null)
+				throw new ArgumentNullException("fullName");
+			this.fullName = fullName;
+			int pos = fullName.LastIndexOf('.');
+			if (pos < 0)
+				shortName = fullName;
+			else
+				shortName = fullName.Substring(pos + 1);
+		}
+		
 		public override string Name {
 			get {
 				return shortName;

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

@@ -134,7 +134,6 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			
 			if (cu != null) {
 				callingClass = cu.GetInnermostClass(caretLine, caretColumn);
-				cu.FileName = fileName;
 			}
 			
 			Expression expr = null;
@@ -195,12 +194,12 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 		{
 			if (name == null)
 				return null;
-			IClass c = SearchType(name);
+			IClass c = SearchClass(name);
 			if (c != null) {
 				if (c.IsTypeInInheritanceTree(ProjectContentRegistry.Mscorlib.GetClass("System.Attribute")))
 					return c;
 			}
-			return SearchType(name + "Attribute");
+			return SearchClass(name + "Attribute");
 		}
 		
 		ResolveResult ResolveAttribute(Expression expr)
@@ -443,7 +442,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			
 			ResolveResult result2 = null;
 			
-			IClass c = SearchType(identifier);
+			IClass c = SearchClass(identifier);
 			if (c != null) {
 				result2 = new TypeResolveResult(callingClass, callingMember, c);
 			} else {
@@ -643,10 +642,15 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			return projectContent.SearchNamespace(name, callingClass, cu, caretLine, caretColumn);
 		}
 		
+		public IClass GetClass(string fullName)
+		{
+			return projectContent.GetClass(fullName);
+		}
+		
 		/// <remarks>
 		/// use the usings and the name of the namespace to find a class
 		/// </remarks>
-		public IClass SearchType(string name)
+		public IClass SearchClass(string name)
 		{
 			return projectContent.SearchType(name, callingClass, cu, caretLine, caretColumn);
 		}
@@ -869,7 +873,6 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			
 			if (cu != null) {
 				callingClass = cu.GetInnermostClass(caretLine, caretColumn);
-				cu.FileName = fileName;
 			}
 			
 			callingMember = GetCurrentMember();

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

@@ -290,7 +290,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			if (name != null && name.Length > 0) {
 				return new NamespaceReturnType(name);
 			}
-			IClass c = resolver.SearchType(identifierExpression.Identifier);
+			IClass c = resolver.SearchClass(identifierExpression.Identifier);
 			if (c != null) {
 				return c.DefaultReturnType;
 			}

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

@@ -182,6 +182,8 @@ namespace ICSharpCode.SharpDevelop.Dom
 				FullyQualifiedName = name;
 			}
 			
+			this.UseInheritanceCache = true;
+			
 			try {
 				AddAttributes(compilationUnit.ProjectContent, this.Attributes, CustomAttributeData.GetCustomAttributes(type));
 			} catch (Exception ex) {

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

@@ -128,7 +128,7 @@ namespace ICSharpCode.Core
 					ParseProjectContent newContent = project.CreateProjectContent();
 					lock (projectContents) {
 						projectContents[project] = newContent;
-					} 
+					}
 					createdContents.Add(newContent);
 				} catch (Exception e) {
 					Console.WriteLine("Error while retrieving project contents from {0}:", project);
@@ -399,7 +399,7 @@ namespace ICSharpCode.Core
 		{
 			IParser parser = GetParser(fileName);
 			if (parser != null) {
-				return parser.ExpressionFinder;
+				return parser.CreateExpressionFinder(fileName);
 			}
 			return null;
 		}
@@ -434,15 +434,24 @@ namespace ICSharpCode.Core
 			return null;
 		}
 		
+		public static IResolver CreateResolver(string fileName)
+		{
+			IParser parser = GetParser(fileName);
+			if (parser != null) {
+				return parser.CreateResolver();
+			}
+			return null;
+		}
+		
 		public static ResolveResult Resolve(ExpressionResult expressionResult,
 		                                    int caretLineNumber,
 		                                    int caretColumn,
 		                                    string fileName,
 		                                    string fileContent)
 		{
-			IParser parser = GetParser(fileName);
-			if (parser != null) {
-				return parser.CreateResolver().Resolve(expressionResult, caretLineNumber, caretColumn, fileName, fileContent);
+			IResolver resolver = CreateResolver(fileName);
+			if (resolver != null) {
+				return resolver.Resolve(expressionResult, caretLineNumber, caretColumn, fileName, fileContent);
 			}
 			return null;
 		}

src/Main/Base/Project/Src/TextEditor/Gui/Editor/QuickClassBrowserPanel.cs

@@ -31,6 +31,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			object item;
 			string text;
 			int    iconIndex;
+			bool   isInCurrentPart;
 			
 			public int IconIndex {
 				get {
@@ -44,6 +45,12 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 				}
 			}
 			
+			public bool IsInCurrentPart {
+				get {
+					return isInCurrentPart;
+				}
+			}
+			
 			public IRegion ItemRegion {
 				get {
 					IClass classItem = item as IClass;
@@ -86,15 +93,18 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 				}
 			}
 			
-			public ComboBoxItem(object item, string text, int iconIndex)
+			public ComboBoxItem(object item, string text, int iconIndex, bool isInCurrentPart)
 			{
 				this.item = item;
 				this.text = text;
 				this.iconIndex = iconIndex;
+				this.isInCurrentPart = isInCurrentPart;
 			}
 			
 			public bool IsInside(int lineNumber)
 			{
+				if (!isInCurrentPart)
+					return false;
 				IClass classItem = item as IClass;
 				if (classItem != null) {
 					if (classItem.Region == null)
@@ -224,7 +234,9 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 					UpdateClassComboBox();
 					UpdateMembersComboBox();
 				}
-			} catch (Exception) {}
+			} catch (Exception ex) {
+				MessageService.ShowError(ex);
+			}
 		}
 		
 		bool membersComboBoxSelectedMember = false;
@@ -323,51 +335,62 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			return false;
 		}
 		
+		IClass lastClassInMembersComboBox;
+		
 		void FillMembersComboBox()
 		{
 			IClass c = GetCurrentSelectedClass();
-			if (c != null) {
+			if (c != null && lastClassInMembersComboBox != c) {
+				lastClassInMembersComboBox = c;
 				ArrayList items = new ArrayList();
+				bool partialMode = false;
+				IClass currentPart = c;
+				if (c.IsPartial) {
+					CompoundClass cc = c.ProjectContent.GetClass(c.FullyQualifiedName) as CompoundClass;
+					if (cc != null && cc.Parts.Count > 0) {
+						partialMode = true;
+						c = cc;
+					}
+				}
 				
 				int lastIndex = 0;
 				IComparer comparer = new Comparer(System.Globalization.CultureInfo.InvariantCulture);
+				
 				foreach (IMethod m in c.Methods) {
-					items.Add(new ComboBoxItem(m, m.Name, ClassBrowserIconService.GetIcon(m)));
+					items.Add(new ComboBoxItem(m, m.Name, ClassBrowserIconService.GetIcon(m), partialMode ? currentPart.Methods.Contains(m) : true));
 				}
 				items.Sort(lastIndex, c.Methods.Count, comparer);
 				lastIndex = items.Count;
 				
 				foreach (IProperty p in c.Properties) {
-					items.Add(new ComboBoxItem(p, p.Name, ClassBrowserIconService.GetIcon(p)));
+					items.Add(new ComboBoxItem(p, p.Name, ClassBrowserIconService.GetIcon(p), partialMode ? currentPart.Properties.Contains(p) : true));
 				}
 				items.Sort(lastIndex, c.Properties.Count, comparer);
 				lastIndex = items.Count;
 				
 				foreach (IIndexer indexer in c.Indexer) {
-					items.Add(new ComboBoxItem(indexer, indexer.Name, ClassBrowserIconService.GetIcon(indexer)));
+					items.Add(new ComboBoxItem(indexer, indexer.Name, ClassBrowserIconService.GetIcon(indexer), partialMode ? currentPart.Indexer.Contains(indexer) : true));
 				}
 				items.Sort(lastIndex, c.Indexer.Count, comparer);
 				lastIndex = items.Count;
 				
 				foreach (IField f in c.Fields) {
-					items.Add(new ComboBoxItem(f, f.Name, ClassBrowserIconService.GetIcon(f)));
+					items.Add(new ComboBoxItem(f, f.Name, ClassBrowserIconService.GetIcon(f), partialMode ? currentPart.Fields.Contains(f) : true));
 				}
 				items.Sort(lastIndex, c.Fields.Count, comparer);
 				lastIndex = items.Count;
 				
 				foreach (IEvent evt in c.Events) {
-					items.Add(new ComboBoxItem(evt, evt.Name, ClassBrowserIconService.GetIcon(evt)));
+					items.Add(new ComboBoxItem(evt, evt.Name, ClassBrowserIconService.GetIcon(evt), partialMode ? currentPart.Events.Contains(evt) : true));
 				}
 				items.Sort(lastIndex, c.Events.Count, comparer);
 				lastIndex = items.Count;
 				
-				if (NeedtoUpdate(items, membersComboBox)) {
-					membersComboBox.BeginUpdate();
-					membersComboBox.Items.Clear();
-					membersComboBox.Items.AddRange(items.ToArray());
-					membersComboBox.EndUpdate();
-					UpdateMembersComboBox();
-				}
+				membersComboBox.BeginUpdate();
+				membersComboBox.Items.Clear();
+				membersComboBox.Items.AddRange(items.ToArray());
+				membersComboBox.EndUpdate();
+				UpdateMembersComboBox();
 			} else {
 				if (membersComboBox.Items.Count > 0) {
 					membersComboBox.Items.Clear();
@@ -377,9 +400,8 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 		
 		void AddClasses(ArrayList items, ICollection classes)
 		{
-			
 			foreach (IClass c in classes) {
-				items.Add(new ComboBoxItem(c, c.FullyQualifiedName, ClassBrowserIconService.GetIcon(c)));
+				items.Add(new ComboBoxItem(c, c.FullyQualifiedName, ClassBrowserIconService.GetIcon(c), true));
 				AddClasses(items, c.InnerClasses);
 			}
 		}
@@ -388,17 +410,23 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 		{
 			ArrayList items = new ArrayList();
 			AddClasses(items, currentCompilationUnit.Classes);
-			if (NeedtoUpdate(items, classComboBox)) {
-				if (isUpdateRequired) {
-					classComboBox.BeginUpdate();
-				}
-				classComboBox.Items.Clear();
-				classComboBox.Items.AddRange(items.ToArray());
-				if (isUpdateRequired) {
-					classComboBox.EndUpdate();
+			if (isUpdateRequired) {
+				classComboBox.BeginUpdate();
+			}
+			classComboBox.Items.Clear();
+			classComboBox.Items.AddRange(items.ToArray());
+			if (items.Count == 1) {
+				try {
+					autoselect = false;
+					classComboBox.SelectedIndex = 0;
+				} finally {
+					autoselect = true;
 				}
-				UpdateClassComboBox();
 			}
+			if (isUpdateRequired) {
+				classComboBox.EndUpdate();
+			}
+			UpdateClassComboBox();
 		}
 		
 		
@@ -462,9 +490,17 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			if (comboBox.SelectedIndex < 0) {
 				membersComboBox.Items.Clear();
 			} else if (autoselect) {
-				textAreaControl.ActiveTextAreaControl.Caret.Position = new Point(((ComboBoxItem)comboBox.Items[comboBox.SelectedIndex]).Column,
-				                                                                 ((ComboBoxItem)comboBox.Items[comboBox.SelectedIndex]).Line);
-				textAreaControl.ActiveTextAreaControl.TextArea.Focus();
+				ComboBoxItem item = (ComboBoxItem)comboBox.Items[comboBox.SelectedIndex];
+				if (item.IsInCurrentPart) {
+					textAreaControl.ActiveTextAreaControl.Caret.Position = new Point(item.Column, item.Line);
+					textAreaControl.ActiveTextAreaControl.TextArea.Focus();
+				} else {
+					IMember m = item.Item as IMember;
+					if (m != null) {
+						string fileName = m.DeclaringType.CompilationUnit.FileName;
+						FileService.JumpToFilePosition(fileName, item.Line, item.Column);
+					}
+				}
 			}
 		}
 		
@@ -493,7 +529,9 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 				if ((e.State & DrawItemState.Selected) == DrawItemState.Selected) {
 					drawItemBrush = SystemBrushes.HighlightText;
 				}
-				if (e.State == DrawItemState.ComboBoxEdit && !item.IsInside(textAreaControl.ActiveTextAreaControl.Caret.Line)) {
+				if (!item.IsInCurrentPart) {
+					drawItemBrush = SystemBrushes.ControlDark;
+				} else if (e.State == DrawItemState.ComboBoxEdit && !item.IsInside(textAreaControl.ActiveTextAreaControl.Caret.Line)) {
 					drawItemBrush = SystemBrushes.ControlDark;
 				}
 				e.Graphics.DrawString(item.ToString(),