add tag comment tracking

src/AddIns/BackendBindings/CSharpBinding/Project/CSharpBinding.csproj

@@ -77,6 +77,7 @@
     <Compile Include="Src\CSharpContextActionDoozer.cs" />
     <Compile Include="Src\CSharpLanguageBinding.cs" />
     <Compile Include="Src\CSharpProjectBinding.cs" />
+    <Compile Include="Src\SDRefactoringContext.cs" />
     <Compile Include="Src\CSharpSemanticHighlighter.cs" />
     <Compile Include="Src\ExtensionMethods.cs" />
     <Compile Include="Src\FormattingStrategy\CSharpFormattingStrategy.cs" />

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

@@ -2,9 +2,10 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 using System;
+using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Threading;
-
 using ICSharpCode.Core;
 using ICSharpCode.NRefactory;
 using ICSharpCode.NRefactory.CSharp;
@@ -13,6 +14,8 @@ using ICSharpCode.NRefactory.CSharp.TypeSystem;
 using ICSharpCode.NRefactory.Editor;
 using ICSharpCode.NRefactory.Semantics;
 using ICSharpCode.NRefactory.TypeSystem;
+using ICSharpCode.SharpDevelop;
+using ICSharpCode.SharpDevelop.Editor;
 using ICSharpCode.SharpDevelop.Parser;
 using ICSharpCode.SharpDevelop.Project;
 using ICSharpCode.SharpDevelop.Refactoring;
@@ -83,22 +86,59 @@ namespace CSharpBinding.Parser
 			}
 			
 			CSharpParsedFile file = cu.ToTypeSystem();
+			ParseInformation parseInfo;
 			
 			if (fullParseInformationRequested)
-				return new CSharpFullParseInformation(file, cu);
+				parseInfo = new CSharpFullParseInformation(file, cu);
 			else
-				return new ParseInformation(file, fullParseInformationRequested);
+				parseInfo = new ParseInformation(file, fullParseInformationRequested);
+			
+			AddCommentTags(cu, parseInfo.TagComments, fileContent);
+			
+			return parseInfo;
 		}
 		
-		/*void AddCommentTags(ICompilationUnit cu, System.Collections.Generic.List<ICSharpCode.NRefactory.Parser.TagComment> tagComments)
+		void AddCommentTags(CompilationUnit cu, IList<TagComment> tagComments, ITextSource fileContent)
 		{
-			foreach (ICSharpCode.NRefactory.Parser.TagComment tagComment in tagComments) {
-				DomRegion tagRegion = new DomRegion(tagComment.StartPosition.Y, tagComment.StartPosition.X);
-				var tag = new ICSharpCode.SharpDevelop.Dom.TagComment(tagComment.Tag, tagRegion, tagComment.CommentText);
-				cu.TagComments.Add(tag);
+			ReadOnlyDocument document = null;
+			foreach (var comment in cu.Descendants.OfType<Comment>().Where(c => c.CommentType != CommentType.InactiveCode)) {
+				int matchLength;
+				int index = IndexOfAny(comment.Content, lexerTags, 0, out matchLength);
+				if (index > -1) {
+					if (document == null)
+						document = new ReadOnlyDocument(fileContent);
+					int startOffset = document.GetOffset(comment.StartLocation);
+					int commentSignLength = comment.CommentType == CommentType.Documentation || comment.CommentType == CommentType.MultiLineDocumentation ? 3 : 2;
+					int commentEndSignLength = comment.CommentType == CommentType.MultiLine || comment.CommentType == CommentType.MultiLineDocumentation ? 2 : 0;
+					do {
+						int absoluteOffset = startOffset + index + commentSignLength;
+						var startLocation = document.GetLocation(absoluteOffset);
+						int endOffset = Math.Min(document.GetLineByNumber(startLocation.Line).EndOffset, document.GetOffset(comment.EndLocation) - commentEndSignLength);
+						string content = document.GetText(absoluteOffset, endOffset - absoluteOffset);
+						tagComments.Add(new TagComment(content.Substring(0, matchLength), new DomRegion(cu.FileName, startLocation.Line, startLocation.Column), content.Substring(matchLength)));
+						index = IndexOfAny(comment.Content, lexerTags, endOffset - startOffset - commentSignLength, out matchLength);
+					} while (index > -1);
+				}
 			}
 		}
-		 */
+		
+		static int IndexOfAny(string haystack, string[] needles, int startIndex, out int matchLength)
+		{
+			if (haystack == null)
+				throw new ArgumentNullException("haystack");
+			if (needles == null)
+				throw new ArgumentNullException("needles");
+			int index = -1;
+			matchLength = 0;
+			foreach (var needle in needles) {
+				int i = haystack.IndexOf(needle, startIndex, StringComparison.Ordinal);
+				if (i != -1 && (index == -1 || index > i)) {
+					index = i;
+					matchLength = needle.Length;
+				}
+			}
+			return index;
+		}
 		
 		public ResolveResult Resolve(ParseInformation parseInfo, TextLocation location, ICompilation compilation, CancellationToken cancellationToken)
 		{

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

@@ -30,6 +30,17 @@ namespace CSharpBinding
 			get { return CSharpProjectBinding.LanguageName; }
 		}
 		
+		public Version LanguageVersion {
+			get {
+				string toolsVersion;
+				lock (SyncRoot) toolsVersion = this.ToolsVersion;
+				Version version = new Version(toolsVersion);
+				if (version == new Version(4, 0) && DotnetDetection.IsDotnet45Installed())
+					return new Version(5, 0);
+				return version;
+			}
+		}
+		
 		void Init()
 		{
 			reparseReferencesSensitiveProperties.Add("TargetFrameworkVersion");

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

@@ -0,0 +1,123 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Threading;
+using CSharpBinding.Parser;
+using ICSharpCode.NRefactory;
+using ICSharpCode.NRefactory.CSharp;
+using ICSharpCode.NRefactory.CSharp.Refactoring;
+using ICSharpCode.NRefactory.CSharp.Resolver;
+using ICSharpCode.NRefactory.Semantics;
+using ICSharpCode.NRefactory.TypeSystem;
+using ICSharpCode.SharpDevelop;
+using ICSharpCode.SharpDevelop.Editor;
+using ICSharpCode.SharpDevelop.Parser;
+
+namespace CSharpBinding
+{
+	public class SDRefactoringContext : RefactoringContext
+	{
+		ITextEditor editor;
+		ICompilation compilation;
+		CancellationToken cancellationToken;
+		
+		public SDRefactoringContext(ITextEditor editor, CancellationToken cancellationToken)
+		{
+			this.editor = editor;
+			this.cancellationToken = cancellationToken;
+			this.compilation = ParserService.GetCompilationForFile(editor.FileName);
+		}
+		
+		public override bool Supports(Version version)
+		{
+			CSharpProject project = compilation.GetProject() as CSharpProject;
+			if (project == null)
+				return false;
+			return project.LanguageVersion >= version;
+		}
+		
+		public override Script StartScript()
+		{
+			throw new NotImplementedException();
+		}
+		
+		public override int SelectionStart {
+			get {
+				return editor.SelectionStart;
+			}
+		}
+		
+		public override int SelectionLength {
+			get {
+				return editor.SelectionLength;
+			}
+		}
+		
+		public override int SelectionEnd {
+			get {
+				return editor.SelectionStart + editor.SelectionLength;
+			}
+		}
+		
+		public override string SelectedText {
+			get {
+				return editor.SelectedText;
+			}
+		}
+		
+		public override ResolveResult Resolve(AstNode expression)
+		{
+			var parseInfo = ParserService.Parse(editor.FileName, editor.Document) as CSharpFullParseInformation;
+			var resolver = new CSharpAstResolver(compilation, parseInfo.CompilationUnit, parseInfo.ParsedFile);
+			return resolver.Resolve(expression, cancellationToken);
+		}
+		
+		public override void ReplaceReferences(IMember member, MemberDeclaration replaceWidth)
+		{
+			throw new NotImplementedException();
+		}
+		
+		public override bool IsSomethingSelected {
+			get {
+				return editor.SelectionLength > 0;
+			}
+		}
+		
+		public override string GetText(int offset, int length)
+		{
+			return editor.Document.GetText(offset, length);
+		}
+		
+		public override int GetOffset(TextLocation location)
+		{
+			return editor.Document.GetOffset(location);
+		}
+		
+		public override TextLocation GetLocation(int offset)
+		{
+			return editor.Document.GetLocation(offset);
+		}
+		
+		public override CSharpFormattingOptions FormattingOptions {
+			get {
+				return new CSharpFormattingOptions();
+			}
+		}
+		
+		public override string EolMarker {
+			get {
+				return DocumentUtilitites.GetLineTerminator(editor.Document, 1);
+			}
+		}
+		
+		public override AstType CreateShortType(IType fullType)
+		{
+			var parseInfo = ParserService.Parse(editor.FileName, editor.Document) as CSharpFullParseInformation;
+			var parsedFile = parseInfo.ParsedFile;
+			var csResolver = parsedFile.GetResolver(compilation, editor.Caret.Location);
+			var builder = new TypeSystemAstBuilder(csResolver);
+			return builder.ConvertType(fullType);
+		}
+	}
+}

src/Libraries/NRefactory/ICSharpCode.NRefactory.CSharp/Refactoring/ContextAction/RemoveBackingStore.cs

@@ -75,13 +75,15 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 //			}
 //		}
 //
+		static readonly Version csharp3 = new Version(3, 0);
+		
 		static IField GetBackingField (RefactoringContext context)
 		{
 			var propertyDeclaration = context.GetNode<PropertyDeclaration> ();
 			// automatic properties always need getter & setter
 			if (propertyDeclaration == null || propertyDeclaration.Getter.IsNull || propertyDeclaration.Setter.IsNull || propertyDeclaration.Getter.Body.IsNull || propertyDeclaration.Setter.Body.IsNull)
 				return null;
-			if (!context.HasCSharp3Support || propertyDeclaration.HasModifier (ICSharpCode.NRefactory.CSharp.Modifiers.Abstract) || ((TypeDeclaration)propertyDeclaration.Parent).ClassType == ClassType.Interface)
+			if (!context.Supports(csharp3) || propertyDeclaration.HasModifier (ICSharpCode.NRefactory.CSharp.Modifiers.Abstract) || ((TypeDeclaration)propertyDeclaration.Parent).ClassType == ClassType.Interface)
 				return null;
 			var getterField = ScanGetter (context, propertyDeclaration);
 			if (getterField == null)

src/Libraries/NRefactory/ICSharpCode.NRefactory.CSharp/Refactoring/RefactoringContext.cs

@@ -44,9 +44,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			protected set;
 		}
 		
-		public abstract bool HasCSharp3Support {
-			get;
-		}
+		public abstract bool Supports(Version version);
 		
 		public ICompilation Compilation {
 			get;

src/Main/Base/Project/Src/Project/Behaviors/DotNetStartBehavior.cs

@@ -141,7 +141,7 @@ namespace ICSharpCode.SharpDevelop.Project
 				lock (Project.SyncRoot) {
 					TargetFramework oldFramework = ((CompilableProject)Project).CurrentTargetFramework;
 					if (newVersion != null && GetAvailableCompilerVersions().Contains(newVersion)) {
-						((CompilableProject)Project).SetToolsVersion(newVersion.MSBuildVersion.Major + "." + newVersion.MSBuildVersion.Minor);
+						((CompilableProject)Project).ToolsVersion = newVersion.MSBuildVersion.Major + "." + newVersion.MSBuildVersion.Minor;
 					}
 					if (newFramework != null) {
 						UpdateAppConfig(newFramework);

src/Main/Base/Project/Src/Project/MSBuildBasedProject.cs

@@ -118,16 +118,18 @@ namespace ICSharpCode.SharpDevelop.Project
 		
 		public event EventHandler MinimumSolutionVersionChanged;
 		
-		protected internal void SetToolsVersion(string newToolsVersion)
-		{
-			PerformUpdateOnProjectFile(
-				delegate {
-					projectFile.ToolsVersion = newToolsVersion;
-					userProjectFile.ToolsVersion = newToolsVersion;
-				});
-			
-			if (MinimumSolutionVersionChanged != null)
-				MinimumSolutionVersionChanged(this, EventArgs.Empty);
+		public string ToolsVersion {
+			get { return projectFile.ToolsVersion; }
+			protected internal set {
+				PerformUpdateOnProjectFile(
+					delegate {
+						projectFile.ToolsVersion = value;
+						userProjectFile.ToolsVersion = value;
+					});
+				
+				if (MinimumSolutionVersionChanged != null)
+					MinimumSolutionVersionChanged(this, EventArgs.Empty);
+			}
 		}
 		
 		public void PerformUpdateOnProjectFile(Action action)