Allow find references and rename for local variables and parameters.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@476 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

AddIns/ICSharpCode.SharpDevelop.addin

@@ -1462,6 +1462,31 @@
 		<MenuItem id = "MenuBuilder" type="Builder" class = "ICSharpCode.SharpDevelop.DefaultEditor.Commands.ClassBookmarkMenuBuilder" />
 	</Path>
 	
+	<Path name = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/Common">
+		<MenuItem id = "Rename"
+		          label = "${res:SharpDevelop.Refactoring.RenameCommand}"
+		          class = "ICSharpCode.SharpDevelop.Refactoring.RenameLocalVariableCommand"/>
+		<MenuItem id = "FindReferences"
+		          label = "${res:SharpDevelop.Refactoring.FindReferencesCommand}"
+		          class = "ICSharpCode.SharpDevelop.Refactoring.FindLocalVariableReferencesCommand"/>
+	</Path>
+	
+	<Path name = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/LocalVariableDefinition">
+		<Include id = "Common" path = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/Common"/>
+	</Path>
+	
+	<Path name = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/LocalVariable">
+		<Include id = "Common" path = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/Common"/>
+	</Path>
+	
+	<Path name = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/ParameterDefinition">
+		<Include id = "Common" path = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/Common"/>
+	</Path>
+	
+	<Path name = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/Parameter">
+		<Include id = "Common" path = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/Common"/>
+	</Path>
+	
 	<Path name = "/SharpDevelop/ViewContent/DefaultTextEditor/ContextMenu">
 		<MenuItem id = "Refactoring" type = "Builder" class = "ICSharpCode.SharpDevelop.Refactoring.RefactoringMenuBuilder"/>
 		<Include id = "Cut" item = "/SharpDevelop/Workbench/MainMenu/Edit/Cut"/>

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

@@ -672,7 +672,6 @@
     <Compile Include="Src\Services\Debugger\CurrentLineBookmark.cs" />
     <Compile Include="Src\Dom\ClassFinder.cs" />
     <Compile Include="Src\TextEditor\Commands\ClassBookmarkMenuBuilder.cs" />
-    <Compile Include="Src\TextEditor\Commands\ParserBookmarkMenuBuilderBase.cs" />
     <Compile Include="Src\TextEditor\SearchAndReplace\Engine\SearchStrategy\BoyerMooreSearchStrategy.cs" />
     <Compile Include="Src\Gui\BrowserDisplayBinding\BrowserCommands.cs" />
     <Compile Include="Src\Gui\BrowserDisplayBinding\BrowserLocationConditionEvaluator.cs" />
@@ -700,6 +699,8 @@
     <Compile Include="Src\Gui\Components\AutoHide\AutoHideMenuStripContainer.cs" />
     <Compile Include="Src\Gui\Components\AutoHide\AutoHideStatusStripContainer.cs" />
     <Compile Include="Src\Gui\Components\AutoHide\AutoHideContainer.cs" />
+    <Compile Include="Src\Services\RefactoringService\LocalVariableRefactoring.cs" />
+    <Compile Include="Src\Services\RefactoringService\FindReferencesAndRenameHelper.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Libraries\DockPanel_Src\WinFormsUI\WinFormsUI.csproj">

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

@@ -14,7 +14,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 	/// <summary>
 	/// Combines multiple return types.
 	/// </summary>
-	public class CombinedReturnType : IReturnType
+	public sealed class CombinedReturnType : IReturnType
 	{
 		IList<IReturnType> baseTypes;
 		
@@ -23,6 +23,31 @@ namespace ICSharpCode.SharpDevelop.Dom
 		string @namespace;
 		string dotnetName;
 		
+		public override bool Equals(object obj)
+		{
+			CombinedReturnType combined = obj as CombinedReturnType;
+			if (combined == null) return false;
+			if (baseTypes.Count != combined.baseTypes.Count) return false;
+			for (int i = 0; i < baseTypes.Count; i++) {
+				if (!baseTypes[i].Equals(combined.baseTypes[i])) {
+					return false;
+				}
+			}
+			return true;
+		}
+		
+		public override int GetHashCode()
+		{
+			unchecked {
+				int res = 0;
+				foreach (IReturnType rt in baseTypes) {
+					res *= 27;
+					res += rt.GetHashCode();
+				}
+				return res;
+			}
+		}
+		
 		public CombinedReturnType(IList<IReturnType> baseTypes, string fullName, string name, string @namespace, string dotnetName)
 		{
 			this.baseTypes = baseTypes;

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

@@ -103,6 +103,27 @@ namespace ICSharpCode.SharpDevelop.Dom
 			}
 		}
 		
+		public override bool Equals(object obj)
+		{
+			DefaultTypeParameter tp = obj as DefaultTypeParameter;
+			if (tp == null) return false;
+			if (tp.index != index) return false;
+			if (tp.name != name) return false;
+			if (tp.hasConstructableContraint != hasConstructableContraint) return false;
+			if (tp.method != method) {
+				if (tp.method == null || method == null) return false;
+				if (tp.method.FullyQualifiedName == method.FullyQualifiedName) return false;
+			} else {
+				if (tp.targetClass.FullyQualifiedName == targetClass.FullyQualifiedName) return false;
+			}
+			return true;
+		}
+		
+		public override int GetHashCode()
+		{
+			return base.GetHashCode();
+		}
+		
 		public override string ToString()
 		{
 			return String.Format("[{0}: {1}]", GetType().Name, name);

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

@@ -56,7 +56,9 @@ namespace ICSharpCode.SharpDevelop.Dom
 		
 		public override int GetHashCode()
 		{
-			return declaringClass.GetHashCode() ^ name.GetHashCode();
+			unchecked {
+				return declaringClass.GetHashCode() ^ name.GetHashCode() ^ caretLine << 8 + caretColumn;
+			}
 		}
 		
 		// we need to use a static Dictionary as cache to provide a easy was to clear all cached

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

@@ -515,7 +515,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 			
 			// Identity conversion:
 			if (from == to) return true;
-			if (from == null) return false;
+			if (from == null || to == null) return false;
 			if (from.Equals(to)) {
 				return true;
 			}
@@ -554,7 +554,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 			if (toIsDefault && (fromIsDefault || from.ArrayDimensions > 0)) {
 				IClass c1 = from.GetUnderlyingClass();
 				IClass c2 = to.GetUnderlyingClass();
-				if (c1.IsTypeInInheritanceTree(c2)) {
+				if (c1 != null && c1.IsTypeInInheritanceTree(c2)) {
 					return true;
 				}
 			}
@@ -578,6 +578,10 @@ namespace ICSharpCode.SharpDevelop.Dom
 		/// </returns>
 		public static int GetBetterConversion(IReturnType from, IReturnType to1, IReturnType to2)
 		{
+			if (from == null) return 0;
+			if (to1 == null) return 2;
+			if (to2 == null) return 1;
+			
 			// See ECMA-334, § 14.4.2.3
 			
 			// If T1 and T2 are the same type, neither conversion is better.

src/Main/Base/Project/Src/Services/ClassBrowserIcons/ClassBrowserIconService.cs

@@ -26,6 +26,9 @@ namespace ICSharpCode.Core
 		public const int LiteralIndex   = 15;
 		public const int GotoArrowIndex = 13;
 		
+		public const int LocalVariableIndex = FieldIndex + privateModifierOffset;
+		public const int ParameterIndex = FieldIndex + privateModifierOffset;
+		
 		public const int ClassIndex     = 16;
 		public const int StructIndex    = ClassIndex + 1 * 4;
 		public const int InterfaceIndex = ClassIndex + 2 * 4;

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

@@ -19,13 +19,12 @@ using ICSharpCode.SharpDevelop.Bookmarks;
 using ICSharpCode.SharpDevelop.Gui;
 using SearchAndReplace;
 using ICSharpCode.SharpDevelop.DefaultEditor.Commands;
-using ICSharpCode.SharpDevelop.Refactoring;
 
-namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
+namespace ICSharpCode.SharpDevelop.Refactoring
 {
-	public class ParserBookmarkMenuBuilderBase
+	public static class FindReferencesAndRenameHelper
 	{
-		protected ProvidedDocumentInformation GetDocumentInformation(string fileName)
+		public static ProvidedDocumentInformation GetDocumentInformation(string fileName)
 		{
 			foreach (IViewContent content in WorkbenchSingleton.Workbench.ViewContentCollection) {
 				if (content is ITextEditorControlProvider &&
@@ -39,12 +38,12 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			return new ProvidedDocumentInformation(strategy, fileName, 0);
 		}
 		
-		protected bool IsReadOnly(IClass c)
+		public static bool IsReadOnly(IClass c)
 		{
 			return c.CompilationUnit.FileName == null;
 		}
 		
-		protected TextEditorControl JumpToDefinition(IMember member)
+		public static TextEditorControl JumpToDefinition(IMember member)
 		{
 			IViewContent viewContent = null;
 			ICompilationUnit cu = member.DeclaringType.CompilationUnit;
@@ -62,7 +61,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			return (tecp == null) ? null : tecp.TextEditorControl;
 		}
 		
-		protected TextEditorControl JumpBehindDefinition(IMember member)
+		public static TextEditorControl JumpBehindDefinition(IMember member)
 		{
 			IViewContent viewContent = null;
 			ICompilationUnit cu = member.DeclaringType.CompilationUnit;
@@ -80,7 +79,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			return (tecp == null) ? null : tecp.TextEditorControl;
 		}
 		
-		protected bool CheckName(string name)
+		public static bool CheckName(string name)
 		{
 			if (name == null || name.Length == 0)
 				return false;
@@ -97,7 +96,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			return true;
 		}
 		
-		protected struct Modification
+		public struct Modification
 		{
 			public IDocument Document;
 			public int Offset;
@@ -111,7 +110,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			}
 		}
 		
-		protected void ModifyDocument(List<Modification> modifications, IDocument doc, int offset, int length, string newName)
+		public static void ModifyDocument(List<Modification> modifications, IDocument doc, int offset, int length, string newName)
 		{
 			foreach (Modification m in modifications) {
 				if (m.Document == doc) {
@@ -135,7 +134,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			}
 		}
 		
-		protected void ShowAsSearchResults(string pattern, List<Reference> list)
+		public static void ShowAsSearchResults(string pattern, List<Reference> list)
 		{
 			if (list == null) return;
 			List<SearchResult> results = new List<SearchResult>(list.Count);
@@ -147,7 +146,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			SearchReplaceInFilesManager.ShowSearchResults(pattern, results);
 		}
 		
-		protected void RenameReferences(List<Reference> list, string newName)
+		public static void RenameReferences(List<Reference> list, string newName)
 		{
 			List<IViewContent> modifiedContents = new List<IViewContent>();
 			List<Modification> modifications = new List<Modification>();

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

@@ -0,0 +1,39 @@
+// <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 System.Collections.Generic;
+using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop;
+using ICSharpCode.SharpDevelop.Dom;
+
+namespace ICSharpCode.SharpDevelop.Refactoring
+{
+	public class FindLocalVariableReferencesCommand : AbstractMenuCommand
+	{
+		public override void Run()
+		{
+			LocalResolveResult local = (LocalResolveResult)Owner;
+			List<Reference> list = RefactoringService.FindReferences(local, null);
+			FindReferencesAndRenameHelper.ShowAsSearchResults("References to " + local.Field.Name, list);
+		}
+	}
+	
+	public class RenameLocalVariableCommand : AbstractMenuCommand
+	{
+		public override void Run()
+		{
+			LocalResolveResult local = (LocalResolveResult)Owner;
+			string newName = MessageService.ShowInputBox("${res:SharpDevelop.Refactoring.Rename}", "${res:SharpDevelop.Refactoring.RenameMemberText}", local.Field.Name);
+			if (!FindReferencesAndRenameHelper.CheckName(newName)) return;
+			
+			List<Reference> list = RefactoringService.FindReferences(local, null);
+			if (list == null) return;
+			FindReferencesAndRenameHelper.RenameReferences(list, newName);
+		}
+	}
+}

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

@@ -73,8 +73,13 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 				item = MakeItem(definitions, ((MemberResolveResult)rr).ResolvedMember);
 			} else if (rr is TypeResolveResult) {
 				item = MakeItem(definitions, ((TypeResolveResult)rr).ResolvedClass);
+			} else if (rr is LocalResolveResult) {
+				item = MakeItem((LocalResolveResult)rr, caretLine + 1 == ((LocalResolveResult)rr).Field.Region.BeginLine);
 			}
 			if (item != null) {
+				if (rr is LocalResolveResult)
+					resultItems.Insert(0, item);
+				else
 					resultItems.Add(item);
 			}
 			
@@ -100,8 +105,6 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 				}
 			}
 			
-			// TODO XML.TextAreaContextMenu.Refactoring
-			
 			if (resultItems.Count == 0) {
 				return new ToolStripItem[0];
 			} else {
@@ -128,6 +131,19 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 			return null;
 		}
 		
+		ToolStripMenuItem MakeItem(LocalResolveResult local, bool isDefinition)
+		{
+			ToolStripMenuItem item = MakeItemInternal(MemberNode.GetText(local.Field),
+			                                          local.IsParameter ? ClassBrowserIconService.ParameterIndex : ClassBrowserIconService.LocalVariableIndex,
+			                                          local.CallingClass.CompilationUnit,
+			                                          isDefinition ? DomRegion.Empty : local.Field.Region);
+			string treePath = "/SharpDevelop/ViewContent/DefaultTextEditor/Refactoring/";
+			treePath += local.IsParameter ? "Parameter" : "LocalVariable";
+			if (isDefinition) treePath += "Definition";
+			MenuService.AddItemsToMenu(item.DropDown.Items, local, treePath);
+			return item;
+		}
+		
 		ToolStripMenuItem MakeItem(List<string> definitions, IMember member)
 		{
 			if (member == null) return null;
@@ -143,7 +159,6 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 			return item;
 		}
 		
-		
 		ToolStripMenuItem MakeItem(List<string> definitions, IClass c)
 		{
 			if (c == null) return null;
@@ -154,9 +169,9 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 			return MakeItem(c.FullyQualifiedName, new ClassNode(c.ProjectContent.Project, c), c.CompilationUnit, c.Region);
 		}
 		
-		ToolStripMenuItem MakeItem(string title, ExtTreeNode classBrowserTreeNode, ICompilationUnit cu, DomRegion region)
+		ToolStripMenuItem MakeItemInternal(string title, int imageIndex, ICompilationUnit cu, DomRegion region)
 		{
-			ToolStripMenuItem item = new ToolStripMenuItem(classBrowserTreeNode.Text, ClassBrowserIconService.ImageList.Images[classBrowserTreeNode.ImageIndex]);
+			ToolStripMenuItem item = new ToolStripMenuItem(title, ClassBrowserIconService.ImageList.Images[imageIndex]);
 			
 			//ToolStripMenuItem titleItem = new ToolStripMenuItem(title);
 			//titleItem.Enabled = false;
@@ -173,7 +188,12 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 				item.DropDown.Items.Add(gotoDefinitionItem);
 				item.DropDown.Items.Add(new ToolStripSeparator());
 			}
+			return item;
+		}
 		
+		ToolStripMenuItem MakeItem(string title, ExtTreeNode classBrowserTreeNode, ICompilationUnit cu, DomRegion region)
+		{
+			ToolStripMenuItem item = MakeItemInternal(classBrowserTreeNode.Text, classBrowserTreeNode.ImageIndex, cu, region);
 			MenuService.AddItemsToMenu(item.DropDown.Items, classBrowserTreeNode, classBrowserTreeNode.ContextmenuAddinTreePath);
 			return item;
 		}

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

@@ -71,7 +71,7 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 		/// </summary>
 		public static List<Reference> FindReferences(IMember member, IProgressMonitor progressMonitor)
 		{
-			return RunFindReferences(member.DeclaringType, member, progressMonitor);
+			return RunFindReferences(member.DeclaringType, member, false, progressMonitor);
 		}
 		
 		/// <summary>
@@ -79,16 +79,35 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 		/// </summary>
 		public static List<Reference> FindReferences(IClass @class, IProgressMonitor progressMonitor)
 		{
-			return RunFindReferences(@class, null, progressMonitor);
+			return RunFindReferences(@class, null, false, progressMonitor);
 		}
 		
-		static List<Reference> RunFindReferences(IClass ownerClass, IMember member, IProgressMonitor progressMonitor)
+		/// <summary>
+		/// Find all references to the specified local variable.
+		/// </summary>
+		public static List<Reference> FindReferences(LocalResolveResult local, IProgressMonitor progressMonitor)
+		{
+			return RunFindReferences(local.CallingClass, local.Field, true, progressMonitor);
+		}
+		
+		/// <summary>
+		/// This method can be used in three modes:
+		/// 1. Find references to classes (parentClass = targetClass, member = null, isLocal = false)
+		/// 2. Find references to members (parentClass = parent, member = member, isLocal = false)
+		/// 3. Find references to local variables (parentClass = parent, member = local var as field, isLocal = true)
+		/// </summary>
+		static List<Reference> RunFindReferences(IClass ownerClass, IMember member,
+		                                         bool isLocal,
+		                                         IProgressMonitor progressMonitor)
 		{
 			if (ParserService.LoadSolutionProjectsThreadRunning) {
 				MessageService.ShowMessage("${res:SharpDevelop.Refactoring.LoadSolutionProjectsThreadRunning}");
 				return null;
 			}
+			if (!isLocal) {
+				// for local va
 				ownerClass = FixClass(ownerClass);
+			}
 			List<ProjectItem> files = GetPossibleFiles(ownerClass, member);
 			ParseableFileContentEnumerator enumerator = new ParseableFileContentEnumerator(files.ToArray());
 			List<Reference> references = new List<Reference>();
@@ -106,7 +125,7 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 						progressMonitor.WorkDone = enumerator.Index;
 					}
 					
-					AddReferences(references, ownerClass, member, enumerator.CurrentFileName, enumerator.CurrentFileContent);
+					AddReferences(references, ownerClass, member, isLocal, enumerator.CurrentFileName, enumerator.CurrentFileContent);
 				}
 			} finally {
 				if (progressMonitor != null) {
@@ -117,7 +136,13 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 			return references;
 		}
 		
-		static void AddReferences(List<Reference> list, IClass parentClass, IMember member, string fileName, string fileContent)
+		/// <summary>
+		/// This method can be used in three modes (like RunFindReferences)
+		/// </summary>
+		static void AddReferences(List<Reference> list,
+		                          IClass parentClass, IMember member,
+		                          bool isLocal,
+		                          string fileName, string fileContent)
 		{
 			string lowerFileContent = fileContent.ToLower();
 			string searchedText; // the text that is searched for
@@ -157,7 +182,12 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 					// found in this file (the resolver should parse all methods at once)
 					ResolveResult rr = ParserService.Resolve(expr, position.Y, position.X, fileName, fileContent);
 					MemberResolveResult mrr = rr as MemberResolveResult;
-					if (member != null) {
+					if (isLocal) {
+						// find reference to local variable
+						if (IsReferenceToLocalVariable(rr, member)) {
+							list.Add(new Reference(fileName, pos, searchedText.Length, expr.Expression, rr));
+						}
+					} else if (member != null) {
 						// find reference to member
 						if (IsReferenceToMember(member, rr)) {
 							list.Add(new Reference(fileName, pos, searchedText.Length, expr.Expression, rr));
@@ -304,6 +334,20 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 		}
 		#endregion
 		
+		public static bool IsReferenceToLocalVariable(ResolveResult rr, IMember variable)
+		{
+			LocalResolveResult local = rr as LocalResolveResult;
+			if (local == null) {
+				return false;
+			} else {
+				return local.Field.Region.BeginLine == variable.Region.BeginLine
+					&& local.Field.Region.BeginColumn == variable.Region.BeginColumn;
+			}
+		}
+		
+		/// <summary>
+		/// Gets if <paramref name="rr"/> is a reference to <paramref name="member"/>.
+		/// </summary>
 		public static bool IsReferenceToMember(IMember member, ResolveResult rr)
 		{
 			MemberResolveResult mrr = rr as MemberResolveResult;

src/Main/Base/Project/Src/TextEditor/Commands/ClassBookmarkMenuBuilder.cs

@@ -26,7 +26,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 	/// <summary>
 	/// Build context menu for class members in the text editor.
 	/// </summary>
-	public class ClassBookmarkMenuBuilder : ParserBookmarkMenuBuilderBase, ISubmenuBuilder
+	public class ClassBookmarkMenuBuilder : ISubmenuBuilder
 	{
 		public ToolStripItem[] BuildSubmenu(Codon codon, object owner)
 		{
@@ -41,7 +41,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			}
 			List<ToolStripItem> list = new List<ToolStripItem>();
 			
-			if (!IsReadOnly(c)) {
+			if (!FindReferencesAndRenameHelper.IsReadOnly(c)) {
 				cmd = new MenuCommand("${res:SharpDevelop.Refactoring.RenameCommand}", Rename);
 				cmd.Tag = c;
 				list.Add(cmd);
@@ -85,7 +85,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			IClass c = (IClass)item.Tag;
 			c = c.DefaultReturnType.GetUnderlyingClass(); // get compound class if class is partial
 			string newName = MessageService.ShowInputBox("${res:SharpDevelop.Refactoring.Rename}", "${res:SharpDevelop.Refactoring.RenameClassText}", c.Name);
-			if (!CheckName(newName)) return;
+			if (!FindReferencesAndRenameHelper.CheckName(newName)) return;
 			
 			List<Reference> list = RefactoringService.FindReferences(c, null);
 			if (list == null) return;
@@ -102,14 +102,14 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 				}
 			}
 			
-			RenameReferences(list, newName);
+			FindReferencesAndRenameHelper.RenameReferences(list, newName);
 		}
 		
 		void AddDeclarationAsReference(List<Reference> list, string fileName, DomRegion region, string name)
 		{
 			if (fileName == null)
 				return;
-			ProvidedDocumentInformation documentInformation = GetDocumentInformation(fileName);
+			ProvidedDocumentInformation documentInformation = FindReferencesAndRenameHelper.GetDocumentInformation(fileName);
 			int offset = documentInformation.Document.PositionToOffset(new Point(region.BeginColumn - 1, region.BeginLine - 1));
 			string text = documentInformation.TextBuffer.GetText(offset, Math.Min(name.Length + 30, documentInformation.TextBuffer.Length - offset - 1));
 			int offsetChange = text.IndexOf(name);
@@ -148,7 +148,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 				if (derivedClass.CompilationUnit.FileName == null) continue;
 				
 				SearchResult res = new SimpleSearchResult(derivedClass.FullyQualifiedName, new Point(derivedClass.Region.BeginColumn - 1, derivedClass.Region.BeginLine - 1));
-				res.ProvidedDocumentInformation = GetDocumentInformation(derivedClass.CompilationUnit.FileName);
+				res.ProvidedDocumentInformation = FindReferencesAndRenameHelper.GetDocumentInformation(derivedClass.CompilationUnit.FileName);
 				results.Add(res);
 			}
 			SearchReplaceInFilesManager.ShowSearchResults("Classes deriving from " + c.Name, results);
@@ -158,7 +158,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 		{
 			MenuCommand item = (MenuCommand)sender;
 			IClass c = (IClass)item.Tag;
-			ShowAsSearchResults("References to " + c.Name, RefactoringService.FindReferences(c, null));
+			FindReferencesAndRenameHelper.ShowAsSearchResults("References to " + c.Name, RefactoringService.FindReferences(c, null));
 		}
 	}
 }

src/Main/Base/Project/Src/TextEditor/Commands/ClassMemberMenuBuilder.cs

@@ -25,7 +25,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 	/// <summary>
 	/// Build context menu for class members in the text editor.
 	/// </summary>
-	public class ClassMemberMenuBuilder : ParserBookmarkMenuBuilderBase, ISubmenuBuilder
+	public class ClassMemberMenuBuilder : ISubmenuBuilder
 	{
 		public ToolStripItem[] BuildSubmenu(Codon codon, object owner)
 		{
@@ -42,7 +42,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			List<ToolStripItem> list = new List<ToolStripItem>();
 			
 			if (method == null || !method.IsConstructor) {
-				if (!IsReadOnly(member.DeclaringType)) {
+				if (!FindReferencesAndRenameHelper.IsReadOnly(member.DeclaringType)) {
 					cmd = new MenuCommand("${res:SharpDevelop.Refactoring.RenameCommand}", Rename);
 					cmd.Tag = member;
 					list.Add(cmd);
@@ -70,7 +70,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 					cmd.Tag = foundProperty;
 					list.Add(cmd);
 				} else {
-					if (!IsReadOnly(member.DeclaringType)) {
+					if (!FindReferencesAndRenameHelper.IsReadOnly(member.DeclaringType)) {
 						cmd = new MenuCommand("${res:SharpDevelop.Refactoring.CreateGetter}", CreateGetter);
 						cmd.Tag = member;
 						list.Add(cmd);
@@ -112,7 +112,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 		{
 			MenuCommand item = (MenuCommand)sender;
 			IMember member = (IMember)item.Tag;
-			TextEditorControl textEditor = JumpBehindDefinition(member);
+			TextEditorControl textEditor = FindReferencesAndRenameHelper.JumpBehindDefinition(member);
 			
 			AbstractPropertyCodeGenerator generator;
 			if (includeSetter)
@@ -132,7 +132,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 		
 		void GotoTagMember(object sender, EventArgs e)
 		{
-			JumpToDefinition((IMember)(sender as MenuCommand).Tag);
+			FindReferencesAndRenameHelper.JumpToDefinition((IMember)(sender as MenuCommand).Tag);
 		}
 		
 		void GoToBase(object sender, EventArgs e)
@@ -141,7 +141,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			IMember member = (IMember)item.Tag;
 			IMember baseMember = RefactoringService.FindBaseMember(member);
 			if (baseMember != null) {
-				JumpToDefinition(baseMember);
+				FindReferencesAndRenameHelper.JumpToDefinition(baseMember);
 			}
 		}
 		
@@ -150,11 +150,11 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 			MenuCommand item = (MenuCommand)sender;
 			IMember member = (IMember)item.Tag;
 			string newName = MessageService.ShowInputBox("${res:SharpDevelop.Refactoring.Rename}", "${res:SharpDevelop.Refactoring.RenameMemberText}", member.Name);
-			if (!CheckName(newName)) return;
+			if (!FindReferencesAndRenameHelper.CheckName(newName)) return;
 			
 			List<Reference> list = RefactoringService.FindReferences(member, null);
 			if (list == null) return;
-			RenameReferences(list, newName);
+			FindReferencesAndRenameHelper.RenameReferences(list, newName);
 			
 			if (member is IField) {
 				IProperty property = FindProperty((IField)member);
@@ -164,7 +164,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 						if (MessageService.AskQuestionFormatted("${res:SharpDevelop.Refactoring.Rename}", "${res:SharpDevelop.Refactoring.RenameFieldAndProperty}", property.FullyQualifiedName, newPropertyName)) {
 							list = RefactoringService.FindReferences(property, null);
 							if (list != null) {
-								RenameReferences(list, newPropertyName);
+								FindReferencesAndRenameHelper.RenameReferences(list, newPropertyName);
 							}
 						}
 					}
@@ -184,7 +184,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 				IMember m = RefactoringService.FindSimilarMember(derivedClass, member);
 				if (m != null && !m.Region.IsEmpty) {
 					SearchResult res = new SimpleSearchResult(m.FullyQualifiedName, new Point(m.Region.BeginColumn - 1, m.Region.BeginLine - 1));
-					res.ProvidedDocumentInformation = GetDocumentInformation(derivedClass.CompilationUnit.FileName);
+					res.ProvidedDocumentInformation = FindReferencesAndRenameHelper.GetDocumentInformation(derivedClass.CompilationUnit.FileName);
 					results.Add(res);
 				}
 			}
@@ -195,7 +195,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 		{
 			MenuCommand item = (MenuCommand)sender;
 			IMember member = (IMember)item.Tag;
-			ShowAsSearchResults("References to " + member.Name, RefactoringService.FindReferences(member, null));
+			FindReferencesAndRenameHelper.ShowAsSearchResults("References to " + member.Name, RefactoringService.FindReferences(member, null));
 		}
 	}
 }