NRefactory: use Location structure instead of System.Drawing.Point for source positions.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1581 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/Boo/Boo.InterpreterAddIn/Project/Boo.InterpreterAddIn.booproj

@@ -39,6 +39,8 @@
     <Compile Include="InteractiveInterpreterControl.boo" />
     <Compile Include="InterpreterPad.boo" />
     <Compile Include="InterpreterContext.boo" />
+    <Compile Include="ContextEntry.boo" />
+    <Compile Include="DefaultBooInterpreterContext.boo" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\..\..\Libraries\ICSharpCode.TextEditor\Project\ICSharpCode.TextEditor.csproj">

src/AddIns/BackendBindings/Boo/Boo.InterpreterAddIn/Project/ContextEntry.boo

@@ -0,0 +1,55 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
+//     <version>$Revision$</version>
+// </file>
+
+namespace Boo.InterpreterAddIn
+
+import System
+import System.Windows.Forms
+import ICSharpCode.Core
+import ICSharpCode.SharpDevelop.Gui
+
+class ContextEntry:
+	[getter(InterpreterControl)]
+	_ctl as InteractiveInterpreterControl
+	
+	[getter(Context)]
+	_context as InterpreterContext
+	
+	[getter(ToolBarItem)]
+	_item as ToolStripButton
+	
+	_parentPad as InterpreterPad
+	
+	def constructor([required] context as InterpreterContext, [required] parentPad as InterpreterPad):
+		_context = context
+		_parentPad = parentPad
+		
+		_ctl = InteractiveInterpreterControl(context)
+		_ctl.Dock = DockStyle.Fill
+		
+		_item = ToolStripButton(StringParser.Parse(context.Title), context.Image)
+		_item.ToolTipText = context.ToolTipText
+		_item.Visible = context.Visible
+		_item.DisplayStyle = ToolStripItemDisplayStyle.ImageAndText
+		
+		context.ImageChanged += AutoInvoke() do:
+			_item.Image = _context.Image
+		context.TitleChanged += AutoInvoke() do:
+			_item.Text = StringParser.Parse(_context.Title)
+		context.ToolTipTextChanged += AutoInvoke() do:
+			_item.ToolTipText = StringParser.Parse(_context.ToolTipText)
+		context.VisibleChanged += AutoInvoke() do:
+			_item.Visible = _context.Visible
+			_parentPad.UpdateToolBarVisible()
+			if _parentPad.CurrentContext is self and _context.Visible == false:
+				_parentPad.ActivateFirstVisibleContext()
+		_item.Click += def:
+			_parentPad.CurrentContext = self
+	
+	private static def AutoInvoke(what as callable()) as EventHandler:
+		return def(sender as object, e as EventArgs):
+			WorkbenchSingleton.SafeThreadAsyncCall(what)

src/AddIns/BackendBindings/Boo/Boo.InterpreterAddIn/Project/DefaultBooInterpreterContext.boo

@@ -0,0 +1,61 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
+//     <version>$Revision$</version>
+// </file>
+
+namespace Boo.InterpreterAddIn
+
+import System
+import System.Reflection
+
+class DefaultBooInterpreterContext(InterpreterContext):
+	_interpreter as Boo.Lang.Interpreter.InteractiveInterpreter
+	_isAdditionalTab as bool
+	
+	def constructor():
+		self.Image = ICSharpCode.Core.ResourceService.GetBitmap("Boo.ProjectIcon")
+	
+	def constructor(isAdditionalTab as bool):
+		self()
+		if isAdditionalTab:
+			self.Title = "New " + self.Title
+			_isAdditionalTab = true
+	
+	private def AddAssemblies(main as Assembly):
+		_interpreter.References.Add(main)
+		for reference in main.GetReferencedAssemblies():
+			_interpreter.References.Add(Assembly.Load(reference.FullName))
+	
+	private def InitInterpreter():
+		_interpreter = Boo.Lang.Interpreter.InteractiveInterpreter(
+								RememberLastValue: true,
+								Print: self.PrintLine)
+		AddAssemblies(typeof(ICSharpCode.SharpDevelop.Gui.WorkbenchSingleton).Assembly)
+		_interpreter.SetValue("cls", RaiseClear)
+		_interpreter.SetValue("newTab") do():
+			InterpreterPad.Instance.AddInterpreterContext(c = DefaultBooInterpreterContext(true))
+			return c
+		if _isAdditionalTab:
+			_interpreter.SetValue("thisTab", self)
+		
+		_interpreter.LoopEval("""
+import System
+import System.IO
+import System.Text
+""")
+	
+	def RunCommand(code as string):
+		InitInterpreter() if _interpreter is null
+		try:
+			_interpreter.LoopEval(code)
+		except x as System.Reflection.TargetInvocationException:
+			PrintLine(x.InnerException.ToString())
+	
+	def GetGlobals():
+		InitInterpreter() if _interpreter is null
+		return _interpreter.globals()
+	
+	def CloseTab():
+		InterpreterPad.Instance.RemoveInterpreterContext(self)

src/AddIns/BackendBindings/Boo/Boo.InterpreterAddIn/Project/InteractiveInterpreterControl.boo

@@ -14,6 +14,7 @@ import System
 import System.Drawing
 import System.IO
 import System.Windows.Forms
+import ICSharpCode.SharpDevelop.Gui
 import ICSharpCode.TextEditor
 import ICSharpCode.TextEditor.Document
 import ICSharpCode.TextEditor.Actions
@@ -75,8 +76,16 @@ class InteractiveInterpreterControl(TextEditorControl):
 	def constructor([required] interpreter as InterpreterContext):
 		self._interpreter = interpreter
 		
-		self._interpreter.LinePrinted += self.print
+		self._interpreter.LinePrinted += def(line as string):
-		self._interpreter.Cleared += self.cls
+			if WorkbenchSingleton.InvokeRequired:
+				WorkbenchSingleton.SafeThreadAsyncCall(self.print, (line,))
+			else:
+				self.print(line)
+		self._interpreter.Cleared += def():
+			if WorkbenchSingleton.InvokeRequired:
+				WorkbenchSingleton.SafeThreadAsyncCall(self.cls)
+			else:
+				self.cls()
 		self._lineHistory = LineHistory(CurrentLineChanged: _lineHistory_CurrentLineChanged)
 		self.Document.HighlightingStrategy = GetBooHighlighting()
 		self.EnableFolding =  false
@@ -132,8 +141,8 @@ class InteractiveInterpreterControl(TextEditorControl):
 		else:
 			_block.WriteLine(code)
 	
-	def print(msg):
+	def print(msg as string):
-		AppendText("${msg}\r\n")
+		AppendText(msg + "\r\n")
 	
 	def prompt():
 		AppendText((">>> ", "... ")[_state])
@@ -196,10 +205,8 @@ class InteractiveInterpreterControl(TextEditorControl):
 		if key == Keys.Enter:
 			try:
 				(SingleLineInputState, BlockInputState)[_state]()
-			except x as System.Reflection.TargetInvocationException:
-				print(x.InnerException)
 			except x:
-				print(x)
+				print(x.ToString())
 			prompt()
 			return true
 			

src/AddIns/BackendBindings/Boo/Boo.InterpreterAddIn/Project/InterpreterContext.boo

@@ -49,28 +49,3 @@ abstract class InterpreterContext:
 	virtual def SuggestCodeCompletion(code as string) as (string):
 	"""Gets list of available members for completion on the passed expression. Used for '.' completion"""
 		return null
-
-class DefaultBooInterpreterContext(InterpreterContext):
-	_interpreter as Boo.Lang.Interpreter.InteractiveInterpreter
-	
-	def constructor():
-		self.Image = ICSharpCode.Core.ResourceService.GetBitmap("Boo.ProjectIcon")
-	
-	private def InitInterpreter():
-		_interpreter = Boo.Lang.Interpreter.InteractiveInterpreter(
-								RememberLastValue: true,
-								Print: self.PrintLine)
-		_interpreter.SetValue("cls", RaiseClear)
-		_interpreter.LoopEval("""
-import System
-import System.IO
-import System.Text
-""")
-	
-	def RunCommand(code as string):
-		InitInterpreter() if _interpreter is null
-		_interpreter.LoopEval(code)
-	
-	def GetGlobals():
-		InitInterpreter() if _interpreter is null
-		return _interpreter.globals()

src/AddIns/BackendBindings/Boo/Boo.InterpreterAddIn/Project/InterpreterPad.boo

@@ -12,81 +12,65 @@ import System.Windows.Forms
 import ICSharpCode.Core
 import ICSharpCode.SharpDevelop.Gui
 
-class ContextEntry:
-	[getter(InterpreterControl)]
-	_ctl as InteractiveInterpreterControl
-	
-	[getter(Context)]
-	_context as InterpreterContext
-	
-	[getter(ToolBarItem)]
-	_item as ToolStripButton
-	
-	_parentPad as InterpreterPad
-	
-	def constructor([required] context as InterpreterContext, [required] parentPad as InterpreterPad):
-		_context = context
-		_parentPad = parentPad
-		
-		_ctl = InteractiveInterpreterControl(context)
-		_ctl.Dock = DockStyle.Fill
-		
-		_item = ToolStripButton(StringParser.Parse(context.Title), context.Image)
-		_item.ToolTipText = context.ToolTipText
-		_item.Visible = context.Visible
-		_item.DisplayStyle = ToolStripItemDisplayStyle.ImageAndText
-		
-		context.ImageChanged += AutoInvoke() do:
-			_item.Image = _context.Image
-		context.TitleChanged += AutoInvoke() do:
-			_item.Text = StringParser.Parse(_context.Title)
-		context.ToolTipTextChanged += AutoInvoke() do:
-			_item.ToolTipText = StringParser.Parse(_context.ToolTipText)
-		context.VisibleChanged += AutoInvoke() do:
-			_item.Visible = _context.Visible
-			_parentPad.UpdateToolBarVisible()
-			if _parentPad.CurrentContext is self and _context.Visible == false:
-				_parentPad.ActivateFirstVisibleContext()
-		_item.Click += def:
-			_parentPad.CurrentContext = self
-	
-	private static def AutoInvoke(what as callable()) as EventHandler:
-		return def(sender as object, e as EventArgs):
-			WorkbenchSingleton.SafeThreadAsyncCall(what)
-
 class InterpreterPad(AbstractPadContent, IClipboardHandler):
-	[getter(Contexts)]
+	public static Instance as InterpreterPad:
-	_contexts = []
+		get:
+			return WorkbenchSingleton.Workbench.GetPad(InterpreterPad).PadContent
 	
+	_contexts = []
 	_currentContext as ContextEntry
 	_toolStrip = ToolStrip(GripStyle: ToolStripGripStyle.Hidden)
 	_panel = Panel()
+	_initDone
 	
 	def constructor():
 		_panel.Controls.Add(_toolStrip)
 		for context as InterpreterContext in AddInTree.GetTreeNode("/AddIns/InterpreterAddIn/InterpreterContexts").BuildChildItemsArrayList(self):
-			newContext = ContextEntry(context, self)
+			AddInterpreterContext(context)
-			_toolStrip.Items.Add(newContext.ToolBarItem)
-			_contexts.Add(newContext)
 		ActivateFirstVisibleContext()
 		UpdateToolBarVisible()
+		_initDone = true
+	
+	def AddInterpreterContext([required] context as InterpreterContext):
+		newContext = ContextEntry(context, self)
+		_toolStrip.Items.Add(newContext.ToolBarItem)
+		_contexts.Add(newContext)
+		UpdateToolBarVisible() if _initDone
+		return newContext
+	
+	def RemoveInterpreterContext([required] context as InterpreterContext):
+		for c as ContextEntry in _contexts:
+			if c.Context is context:
+				RemoveInterpreterContext(c)
+				return
+	
+	def RemoveInterpreterContext([required] context as ContextEntry):
+		_contexts.Remove(context)
+		_toolStrip.Items.Remove(context.ToolBarItem)
+		ActivateFirstVisibleContext() if self.CurrentContext is context
+		UpdateToolBarVisible()
 	
 	def UpdateToolBarVisible():
 		count = 0
-		for c as ContextEntry in self.Contexts:
+		for c as ContextEntry in _contexts:
 			count += 1 if c.Context.Visible
 		_toolStrip.Visible = (count > 1)
 	
 	def ActivateFirstVisibleContext():
-		for c as ContextEntry in self.Contexts:
+		for c as ContextEntry in _contexts:
 			if c.Context.Visible:
 				self.CurrentContext = c
 				return
+		self.CurrentContext = null
 	
 	Control as Control:
 		get:
 			return _panel
 	
+	public Contexts:
+		get:
+			return System.Collections.ArrayList.ReadOnly(_contexts)
+	
 	CurrentContext:
 		get:
 			return _currentContext
@@ -96,9 +80,9 @@ class InterpreterPad(AbstractPadContent, IClipboardHandler):
 				_panel.Controls.Remove(_currentContext.InterpreterControl)
 			if value is not null:
 				_panel.Controls.Add(value.InterpreterControl)
-			_panel.Controls.SetChildIndex(_toolStrip, 1)
+				_panel.Controls.SetChildIndex(_toolStrip, 1)
 			_currentContext = value
-			for c as ContextEntry in self.Contexts:
+			for c as ContextEntry in _contexts:
 				c.ToolBarItem.Checked = c is value
 	
 	CurrentTextArea:

src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/BooPrinterVisitorWithComments.cs

@@ -49,7 +49,7 @@ namespace NRefactoryToBooConverter
 		void AcceptPoint(int line, int column)
 		{
 			while (available) {
-				Point b = enumerator.Current.StartPosition;
+				Location b = enumerator.Current.StartPosition;
 				if (b.Y < line || (b.Y == line && b.X <= column)) {
 					WriteCurrent();
 				} else {

src/AddIns/BackendBindings/Boo/NRefactoryToBooConverter/Project/ConvertVisitor.cs

@@ -47,7 +47,7 @@ namespace NRefactoryToBooConverter
 		{
 			if (node == null)
 				return new B.LexicalInfo(fileName);
-			Point point = node.StartLocation;
+			Location point = node.StartLocation;
 			if (!point.IsEmpty) {
 				lastLexicalInfo = new B.LexicalInfo(fileName, point.Y, point.X);
 			}
@@ -82,7 +82,7 @@ namespace NRefactoryToBooConverter
 			return GetLocation(node.EndLocation);
 		}
 		
-		B.SourceLocation GetLocation(Point point)
+		B.SourceLocation GetLocation(Location point)
 		{
 			return new B.SourceLocation(point.Y, point.X);
 		}

src/AddIns/DisplayBindings/FormsDesigner/Project/Src/DesignerLoader/NRefactoryDesignerLoader.cs

@@ -299,7 +299,7 @@ namespace ICSharpCode.FormsDesigner
 			}
 		}
 		
-		void FixTypeReference(TypeReference type, Point location, ICSharpCode.SharpDevelop.Dom.ICompilationUnit domCu)
+		void FixTypeReference(TypeReference type, Location location, ICSharpCode.SharpDevelop.Dom.ICompilationUnit domCu)
 		{
 			if (type == null)
 				return;

src/Libraries/NRefactory/Project/NRefactory.csproj

@@ -49,7 +49,6 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
-    <Reference Include="System.Drawing" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Resources\ICSharpCode.NRefactory.snk" />
@@ -127,6 +126,7 @@
     <Compile Include="..\..\..\Main\GlobalAssemblyInfo.cs">
       <Link>Configuration\GlobalAssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="Src\Parser\Location.cs" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="Src\Lexer\CSharp\KeywordList.txt" />
@@ -137,4 +137,4 @@
     <Content Include="Src\Parser\Frames\trace.txt" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
-</Project>
+</Project>

src/Libraries/NRefactory/Project/Src/Lexer/CSharp/Lexer.cs

@@ -8,7 +8,6 @@
 using System;
 using System.IO;
 using System.Collections;
-using System.Drawing;
 using System.Diagnostics;
 using System.Globalization;
 using System.Text;
@@ -24,10 +23,10 @@ namespace ICSharpCode.NRefactory.Parser.CSharp
 		
 		void ReadPreProcessingDirective()
 		{
-			Point start = new Point(Col - 1, Line);
+			Location start = new Location(Col - 1, Line);
 			string directive = ReadIdent('#');
 			string argument  = ReadToEOL();
-			this.specialTracker.AddPreProcessingDirective(directive, argument.Trim(), start, new Point(start.X + directive.Length + argument.Length, start.Y));
+			this.specialTracker.AddPreProcessingDirective(directive, argument.Trim(), start, new Location(start.X + directive.Length + argument.Length, start.Y));
 		}
 		
 		protected override Token Next()
@@ -727,9 +726,9 @@ namespace ICSharpCode.NRefactory.Parser.CSharp
 					string tag = curWord.ToString();
 					curWord.Length = 0;
 					if (specialCommentHash.ContainsKey(tag)) {
-						Point p = new Point(Col, Line);
+						Location p = new Location(Col, Line);
 						string comment = ch + ReadToEOL();
-						tagComments.Add(new TagComment(tag, comment, p, new Point(Col, Line)));
+						tagComments.Add(new TagComment(tag, comment, p, new Location(Col, Line)));
 						sb.Append(comment);
 						break;
 					}
@@ -743,9 +742,9 @@ namespace ICSharpCode.NRefactory.Parser.CSharp
 			if (skipAllComments) {
 				SkipToEOL();
 			} else {
-				specialTracker.StartComment(commentType, new Point(Col, Line));
+				specialTracker.StartComment(commentType, new Location(Col, Line));
 				specialTracker.AddString(ReadCommentToEOL());
-				specialTracker.FinishComment(new Point(Col, Line));
+				specialTracker.FinishComment(new Location(Col, Line));
 			}
 		}
 		
@@ -761,7 +760,7 @@ namespace ICSharpCode.NRefactory.Parser.CSharp
 					}
 				}
 			} else {
-				specialTracker.StartComment(CommentType.Block, new Point(Col, Line));
+				specialTracker.StartComment(CommentType.Block, new Location(Col, Line));
 				while ((nextChar = ReaderRead()) != -1) {
 					char ch = (char)nextChar;
 					
@@ -773,12 +772,12 @@ namespace ICSharpCode.NRefactory.Parser.CSharp
 					// End of multiline comment reached ?
 					if (ch == '*' && ReaderPeek() == '/') {
 						ReaderRead();
-						specialTracker.FinishComment(new Point(Col, Line));
+						specialTracker.FinishComment(new Location(Col, Line));
 						return;
 					}
 					specialTracker.AddChar(ch);
 				}
-				specialTracker.FinishComment(new Point(Col, Line));
+				specialTracker.FinishComment(new Location(Col, Line));
 			}
 			// Reached EOF before end of multiline comment.
 			errors.Error(Line, Col, String.Format("Reached EOF before the end of a multiline comment"));

src/Libraries/NRefactory/Project/Src/Lexer/LookupTable.cs

@@ -7,7 +7,6 @@
 
 using System;
 using System.Collections;
-using System.Drawing;
 using System.Globalization;
 
 namespace ICSharpCode.NRefactory.Parser

src/Libraries/NRefactory/Project/Src/Lexer/Special/BlankLine.cs

@@ -6,13 +6,12 @@
 // </file>
 
 using System;
-using System.Drawing;
 
 namespace ICSharpCode.NRefactory.Parser
 {
 	public class BlankLine : AbstractSpecial
 	{
-		public BlankLine(Point point) : base(point)
+		public BlankLine(Location point) : base(point)
 		{
 		}
 		

src/Libraries/NRefactory/Project/Src/Lexer/Special/Comment.cs

@@ -9,7 +9,6 @@ using System;
 using System.Text;
 using System.CodeDom;
 using System.Collections;
-using System.Drawing;
 
 namespace ICSharpCode.NRefactory.Parser
 {
@@ -36,7 +35,7 @@ namespace ICSharpCode.NRefactory.Parser
 			}
 		}
 		
-		public Comment(CommentType commentType, string comment, Point startPosition, Point endPosition)
+		public Comment(CommentType commentType, string comment, Location startPosition, Location endPosition)
 			: base(startPosition, endPosition)
 		{
 			this.commentType   = commentType;

src/Libraries/NRefactory/Project/Src/Lexer/Special/ISpecial.cs

@@ -6,7 +6,6 @@
 // </file>
 
 using System;
-using System.Drawing;
 
 namespace ICSharpCode.NRefactory.Parser
 {
@@ -15,8 +14,8 @@ namespace ICSharpCode.NRefactory.Parser
 	/// </summary>
 	public interface ISpecial
 	{
-		Point StartPosition { get; }
+		Location StartPosition { get; }
-		Point EndPosition { get; }
+		Location EndPosition { get; }
 		
 		object AcceptVisitor(ISpecialVisitor visitor, object data);
 	}
@@ -33,21 +32,21 @@ namespace ICSharpCode.NRefactory.Parser
 	{
 		public abstract object AcceptVisitor(ISpecialVisitor visitor, object data);
 		
-		Point startPosition, endPosition;
+		Location startPosition, endPosition;
 		
-		public AbstractSpecial(Point position)
+		public AbstractSpecial(Location position)
 		{
 			this.startPosition = position;
 			this.endPosition = position;
 		}
 		
-		public AbstractSpecial(Point startPosition, Point endPosition)
+		public AbstractSpecial(Location startPosition, Location endPosition)
 		{
 			this.startPosition = startPosition;
 			this.endPosition = endPosition;
 		}
 		
-		public Point StartPosition {
+		public Location StartPosition {
 			get {
 				return startPosition;
 			}
@@ -56,7 +55,7 @@ namespace ICSharpCode.NRefactory.Parser
 			}
 		}
 		
-		public Point EndPosition {
+		public Location EndPosition {
 			get {
 				return endPosition;
 			}

src/Libraries/NRefactory/Project/Src/Lexer/Special/PreProcessingDirective.cs

@@ -6,7 +6,6 @@
 // </file>
 
 using System;
-using System.Drawing;
 using System.Collections.Generic;
 using System.Globalization;
 
@@ -108,7 +107,7 @@ namespace ICSharpCode.NRefactory.Parser
 			                     Arg);
 		}
 		
-		public PreProcessingDirective(string cmd, string arg, Point start, Point end)
+		public PreProcessingDirective(string cmd, string arg, Location start, Location end)
 			: base(start, end)
 		{
 			this.cmd = cmd;

src/Libraries/NRefactory/Project/Src/Lexer/Special/SpecialTracker.cs

@@ -9,7 +9,6 @@ using System;
 using System.Text;
 using System.CodeDom;
 using System.Collections.Generic;
-using System.Drawing;
 
 namespace ICSharpCode.NRefactory.Parser
 {
@@ -19,7 +18,7 @@ namespace ICSharpCode.NRefactory.Parser
 		
 		CommentType   currentCommentType;
 		StringBuilder sb = new StringBuilder();
-		Point         startPosition;
+		Location         startPosition;
 		
 		public List<ISpecial> CurrentSpecials {
 			get {
@@ -42,18 +41,18 @@ namespace ICSharpCode.NRefactory.Parser
 			return tmp;
 		}
 		
-		public void AddEndOfLine(Point point)
+		public void AddEndOfLine(Location point)
 		{
 			currentSpecials.Add(new BlankLine(point));
 		}
 		
-		public void AddPreProcessingDirective(string cmd, string arg, Point start, Point end)
+		public void AddPreProcessingDirective(string cmd, string arg, Location start, Location end)
 		{
 			currentSpecials.Add(new PreProcessingDirective(cmd, arg, start, end));
 		}
 		
 		// used for comment tracking
-		public void StartComment(CommentType commentType, Point startPosition)
+		public void StartComment(CommentType commentType, Location startPosition)
 		{
 			this.currentCommentType = commentType;
 			this.startPosition      = startPosition;
@@ -70,7 +69,7 @@ namespace ICSharpCode.NRefactory.Parser
 			sb.Append(s);
 		}
 		
-		public void FinishComment(Point endPosition)
+		public void FinishComment(Location endPosition)
 		{
 			currentSpecials.Add(new Comment(currentCommentType, sb.ToString(), startPosition, endPosition));
 		}

src/Libraries/NRefactory/Project/Src/Lexer/Special/TagComment.cs

@@ -9,7 +9,6 @@ using System;
 using System.Text;
 using System.CodeDom;
 using System.Collections;
-using System.Drawing;
 
 namespace ICSharpCode.NRefactory.Parser
 {
@@ -29,7 +28,7 @@ namespace ICSharpCode.NRefactory.Parser
 			}
 		}
 		
-		public TagComment(string tag, string comment, Point startPosition, Point endPosition) : base(CommentType.SingleLine, comment, startPosition, endPosition)
+		public TagComment(string tag, string comment, Location startPosition, Location endPosition) : base(CommentType.SingleLine, comment, startPosition, endPosition)
 		{
 			this.tag = tag;
 		}

src/Libraries/NRefactory/Project/Src/Lexer/Token.cs

@@ -6,7 +6,6 @@
 // </file>
 
 using System;
-using System.Drawing;
 
 namespace ICSharpCode.NRefactory.Parser
 {
@@ -21,14 +20,14 @@ namespace ICSharpCode.NRefactory.Parser
 		public string val;
 		public Token  next;
 		
-		public Point EndLocation {
+		public Location EndLocation {
 			get {
-				return new Point(val == null ? col + 1 : col + val.Length, line);
+				return new Location(val == null ? col + 1 : col + val.Length, line);
 			}
 		}
-		public Point Location {
+		public Location Location {
 			get {
-				return new Point(col, line);
+				return new Location(col, line);
 			}
 		}
 		

src/Libraries/NRefactory/Project/Src/Lexer/VBNet/Lexer.cs

@@ -8,7 +8,6 @@
 using System;
 using System.IO;
 using System.Collections;
-using System.Drawing;
 using System.Diagnostics;
 using System.Globalization;
 using System.Text;
@@ -469,10 +468,10 @@ namespace ICSharpCode.NRefactory.Parser.VB
 		
 		void ReadPreprocessorDirective()
 		{
-			Point start = new Point(Col - 1, Line);
+			Location start = new Location(Col - 1, Line);
 			string directive = ReadIdent('#');
 			string argument  = ReadToEOL();
-			this.specialTracker.AddPreProcessingDirective(directive, argument.Trim(), start, new Point(start.X + directive.Length + argument.Length, start.Y));
+			this.specialTracker.AddPreProcessingDirective(directive, argument.Trim(), start, new Location(start.X + directive.Length + argument.Length, start.Y));
 		}
 		
 		string ReadDate()
@@ -524,7 +523,7 @@ namespace ICSharpCode.NRefactory.Parser.VB
 		
 		void ReadComment()
 		{
-			Point startPos = new Point(Col, Line);
+			Location startPos = new Location(Col, Line);
 			sb.Length = 0;
 			StringBuilder curWord = specialCommentHash != null ? new StringBuilder() : null;
 			int missingApostrophes = 2; // no. of ' missing until it is a documentation comment
@@ -559,9 +558,9 @@ namespace ICSharpCode.NRefactory.Parser.VB
 						string tag = curWord.ToString();
 						curWord.Length = 0;
 						if (specialCommentHash.ContainsKey(tag)) {
-							Point p = new Point(Col, Line);
+							Location p = new Location(Col, Line);
 							string comment = ch + ReadToEOL();
-							tagComments.Add(new TagComment(tag, comment, p, new Point(Col, Line)));
+							tagComments.Add(new TagComment(tag, comment, p, new Location(Col, Line)));
 							sb.Append(comment);
 							break;
 						}
@@ -572,7 +571,7 @@ namespace ICSharpCode.NRefactory.Parser.VB
 				specialTracker.StartComment(CommentType.SingleLine, startPos);
 			}
 			specialTracker.AddString(sb.ToString());
-			specialTracker.FinishComment(new Point(Col, Line));
+			specialTracker.FinishComment(new Location(Col, Line));
 		}
 		
 		Token ReadOperator(char ch)

src/Libraries/NRefactory/Project/Src/Output/SpecialNodesInserter.cs

@@ -6,7 +6,6 @@
 // </file>
 
 using System;
-using System.Drawing;
 using System.Collections.Generic;
 using ICSharpCode.NRefactory.Parser;
 using ICSharpCode.NRefactory.Parser.AST;
@@ -94,10 +93,10 @@ namespace ICSharpCode.NRefactory.PrettyPrinter
 		/// <summary>
 		/// Writes all specials up to the specified location.
 		/// </summary>
-		public void AcceptPoint(Point a)
+		public void AcceptPoint(Location a)
 		{
 			while (available) {
-				Point b = enumerator.Current.StartPosition;
+				Location b = enumerator.Current.StartPosition;
 				if (b.Y < a.Y || (b.Y == a.Y && b.X <= a.X)) {
 					WriteCurrent();
 				} else {

src/Libraries/NRefactory/Project/Src/Parser/AST/AbstractNode.cs

@@ -7,7 +7,6 @@
 
 using System;
 using System.Text;
-using System.Drawing;
 using System.Diagnostics;
 using System.Collections;
 using System.Collections.Generic;
@@ -19,8 +18,8 @@ namespace ICSharpCode.NRefactory.Parser.AST
 		INode       parent;
 		List<INode> children = new List<INode>();
 		
-		Point startLocation;
+		Location startLocation;
-		Point endLocation;
+		Location endLocation;
 		
 		public INode Parent {
 			get	{
@@ -31,7 +30,7 @@ namespace ICSharpCode.NRefactory.Parser.AST
 			}
 		}
 		
-		public Point StartLocation {
+		public Location StartLocation {
 			get {
 				return startLocation;
 			}
@@ -40,7 +39,7 @@ namespace ICSharpCode.NRefactory.Parser.AST
 			}
 		}
 		
-		public Point EndLocation {
+		public Location EndLocation {
 			get {
 				return endLocation;
 			}

src/Libraries/NRefactory/Project/Src/Parser/AST/Generated.cs

@@ -12,7 +12,6 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 	using System;
 	using System.Collections.Generic;
 	using System.Diagnostics;
-	using System.Drawing;
 	
 	
 	public class AddHandlerStatement : Statement {
@@ -1459,9 +1458,9 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 		
 		EventRaiseRegion raiseRegion;
 		
-		Point bodyStart;
+		Location bodyStart;
 		
-		Point bodyEnd;
+		Location bodyEnd;
 		
 		public TypeReference TypeReference {
 			get {
@@ -1508,7 +1507,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			}
 		}
 		
-		public Point BodyStart {
+		public Location BodyStart {
 			get {
 				return bodyStart;
 			}
@@ -1517,7 +1516,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			}
 		}
 		
-		public Point BodyEnd {
+		public Location BodyEnd {
 			get {
 				return bodyEnd;
 			}
@@ -1533,8 +1532,8 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			addRegion = EventAddRegion.Null;
 			removeRegion = EventRemoveRegion.Null;
 			raiseRegion = EventRaiseRegion.Null;
-			bodyStart = new Point(-1, -1);
+			bodyStart = new Location(-1, -1);
-			bodyEnd = new Point(-1, -1);
+			bodyEnd = new Location(-1, -1);
 		}
 		
 		public EventDeclaration(TypeReference typeReference, Modifier modifier, List<ParameterDeclarationExpression> parameters, List<AttributeSection> attributes, string name, List<InterfaceImplementation> interfaceImplementations) : 
@@ -1544,8 +1543,8 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			addRegion = EventAddRegion.Null;
 			removeRegion = EventRemoveRegion.Null;
 			raiseRegion = EventRaiseRegion.Null;
-			bodyStart = new Point(-1, -1);
+			bodyStart = new Location(-1, -1);
-			bodyEnd = new Point(-1, -1);
+			bodyEnd = new Location(-1, -1);
 		}
 		
 		public bool HasAddRegion {
@@ -2243,9 +2242,9 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 		
 		TypeReference typeReference;
 		
-		Point bodyStart;
+		Location bodyStart;
 		
-		Point bodyEnd;
+		Location bodyEnd;
 		
 		PropertyGetRegion getRegion;
 		
@@ -2278,7 +2277,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			}
 		}
 		
-		public Point BodyStart {
+		public Location BodyStart {
 			get {
 				return bodyStart;
 			}
@@ -2287,7 +2286,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			}
 		}
 		
-		public Point BodyEnd {
+		public Location BodyEnd {
 			get {
 				return bodyEnd;
 			}
@@ -2320,8 +2319,8 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			Parameters = parameters;
 			interfaceImplementations = new List<InterfaceImplementation>();
 			typeReference = TypeReference.Null;
-			bodyStart = new Point(-1, -1);
+			bodyStart = new Location(-1, -1);
-			bodyEnd = new Point(-1, -1);
+			bodyEnd = new Location(-1, -1);
 			getRegion = PropertyGetRegion.Null;
 			setRegion = PropertySetRegion.Null;
 		}
@@ -2332,8 +2331,8 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			Parameters = parameters;
 			Modifier = modifier;
 			interfaceImplementations = new List<InterfaceImplementation>();
-			bodyStart = new Point(-1, -1);
+			bodyStart = new Location(-1, -1);
-			bodyEnd = new Point(-1, -1);
+			bodyEnd = new Location(-1, -1);
 			getRegion = PropertyGetRegion.Null;
 			setRegion = PropertySetRegion.Null;
 		}
@@ -3058,9 +3057,9 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 		
 		TypeReference typeReference;
 		
-		Point bodyStart;
+		Location bodyStart;
 		
-		Point bodyEnd;
+		Location bodyEnd;
 		
 		PropertyGetRegion getRegion;
 		
@@ -3084,7 +3083,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			}
 		}
 		
-		public Point BodyStart {
+		public Location BodyStart {
 			get {
 				return bodyStart;
 			}
@@ -3093,7 +3092,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			}
 		}
 		
-		public Point BodyEnd {
+		public Location BodyEnd {
 			get {
 				return bodyEnd;
 			}
@@ -3124,8 +3123,8 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 				base(modifier, attributes, name, parameters) {
 			interfaceImplementations = new List<InterfaceImplementation>();
 			typeReference = TypeReference.Null;
-			bodyStart = new Point(-1, -1);
+			bodyStart = new Location(-1, -1);
-			bodyEnd = new Point(-1, -1);
+			bodyEnd = new Location(-1, -1);
 			getRegion = PropertyGetRegion.Null;
 			setRegion = PropertySetRegion.Null;
 		}
@@ -3806,7 +3805,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 		
 		List<TemplateDefinition> templates;
 		
-		Point bodyStartLocation;
+		Location bodyStartLocation;
 		
 		public string Name {
 			get {
@@ -3844,7 +3843,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			}
 		}
 		
-		public Point BodyStartLocation {
+		public Location BodyStartLocation {
 			get {
 				return bodyStartLocation;
 			}
@@ -3859,7 +3858,7 @@ namespace ICSharpCode.NRefactory.Parser.AST {
 			name = "";
 			baseTypes = new List<TypeReference>();
 			templates = new List<TemplateDefinition>();
-			bodyStartLocation = new Point(-1, -1);
+			bodyStartLocation = new Location(-1, -1);
 		}
 		
 		public override object AcceptVisitor(IAstVisitor visitor, object data) {

src/Libraries/NRefactory/Project/Src/Parser/AST/INode.cs

@@ -6,7 +6,6 @@
 // </file>
 
 using System;
-using System.Drawing;
 using System.Collections.Generic;
 
 namespace ICSharpCode.NRefactory.Parser.AST
@@ -22,12 +21,12 @@ namespace ICSharpCode.NRefactory.Parser.AST
 			get;
 		}
 		
-		Point StartLocation {
+		Location StartLocation {
 			get;
 			set;
 		}
 		
-		Point EndLocation {
+		Location EndLocation {
 			get;
 			set;
 		}

src/Libraries/NRefactory/Project/Src/Parser/CSharp/cs.ATG

@@ -1,4 +1,3 @@
-using System.Drawing;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.Specialized;
@@ -1093,7 +1092,7 @@ FixedParameter<out ParameterDeclarationExpression p>
 (.
 	TypeReference type;
 	ParamModifier mod = ParamModifier.In;
-	System.Drawing.Point start = t.Location;
+	Location start = t.Location;
 .)
 =
 	[

src/Libraries/NRefactory/Project/Src/Parser/Location.cs

@@ -0,0 +1,51 @@
+/*
+ * Created by SharpDevelop.
+ * User: Daniel Grunwald
+ * Date: 15.07.2006
+ * Time: 19:49
+ */
+
+using System;
+
+namespace ICSharpCode.NRefactory.Parser
+{
+	/// <summary>
+	/// Description of Position.
+	/// </summary>
+	public struct Location
+	{
+		public static readonly Location Empty = new Location(0, 0);
+		
+		public Location(int column, int line)
+		{
+			x = column;
+			y = line;
+		}
+		
+		int x, y;
+		
+		public int X {
+			get {
+				return x;
+			}
+			set {
+				x = value;
+			}
+		}
+		
+		public int Y {
+			get {
+				return y;
+			}
+			set {
+				y = value;
+			}
+		}
+		
+		public bool IsEmpty {
+			get {
+				return x <= 0 && y <= 0;
+			}
+		}
+	}
+}

src/Libraries/NRefactory/Project/Src/Parser/Modifiers.cs

@@ -6,14 +6,13 @@
 // </file>
 
 using ICSharpCode.NRefactory.Parser.AST;
-using System.Drawing;
 
 namespace ICSharpCode.NRefactory.Parser
 {
 	internal class Modifiers
 	{
 		Modifier cur;
-		Point location = new Point(-1, -1);
+		Location location = new Location(-1, -1);
 		
 		public Modifier Modifier {
 			get {
@@ -21,7 +20,7 @@ namespace ICSharpCode.NRefactory.Parser
 			}
 		}
 		
-		public Point GetDeclarationLocation(Point keywordLocation)
+		public Location GetDeclarationLocation(Location keywordLocation)
 		{
 			if(location.X == -1 && location.Y == -1) {
 				return keywordLocation;
@@ -29,7 +28,7 @@ namespace ICSharpCode.NRefactory.Parser
 			return location;
 		}
 		
-		public Point Location {
+		public Location Location {
 			get {
 				return location;
 			}
@@ -45,7 +44,7 @@ namespace ICSharpCode.NRefactory.Parser
 			return ((cur & m) != 0);
 		}
 		
-		public void Add(Modifier m, Point tokenLocation) 
+		public void Add(Modifier m, Location tokenLocation) 
 		{
 			if(location.X == -1 && location.Y == -1) {
 				location = tokenLocation;

src/Libraries/NRefactory/Project/Src/Parser/VBNet/VBNET.ATG

@@ -1,4 +1,3 @@
-using System.Drawing;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.Specialized;

src/Libraries/NRefactory/Project/Src/Parser/Visitors/LookupTableVisitor.cs

@@ -6,7 +6,6 @@
 // </file>
 
 using System;
-using System.Drawing;
 using System.Collections.Generic;
 
 using ICSharpCode.NRefactory.Parser.AST;
@@ -16,8 +15,8 @@ namespace ICSharpCode.NRefactory.Parser
 	public class LocalLookupVariable
 	{
 		TypeReference typeRef;
-		Point startPos;
+		Location startPos;
-		Point endPos;
+		Location endPos;
 		bool  isConst;
 		
 		public TypeReference TypeRef {
@@ -25,12 +24,12 @@ namespace ICSharpCode.NRefactory.Parser
 				return typeRef;
 			}
 		}
-		public Point StartPos {
+		public Location StartPos {
 			get {
 				return startPos;
 			}
 		}
-		public Point EndPos {
+		public Location EndPos {
 			get {
 				return endPos;
 			}
@@ -42,7 +41,7 @@ namespace ICSharpCode.NRefactory.Parser
 			}
 		}
 		
-		public LocalLookupVariable(TypeReference typeRef, Point startPos, Point endPos, bool isConst)
+		public LocalLookupVariable(TypeReference typeRef, Location startPos, Location endPos, bool isConst)
 		{
 			this.typeRef = typeRef;
 			this.startPos = startPos;
@@ -74,7 +73,7 @@ namespace ICSharpCode.NRefactory.Parser
 			variables = new Dictionary<string, List<LocalLookupVariable>>(nameComparer);
 		}
 		
-		public void AddVariable(TypeReference typeRef, string name, Point startPos, Point endPos, bool isConst)
+		public void AddVariable(TypeReference typeRef, string name, Location startPos, Location endPos, bool isConst)
 		{
 			if (name == null || name.Length == 0) {
 				return;
@@ -112,7 +111,7 @@ namespace ICSharpCode.NRefactory.Parser
 				AddVariable(localVariableDeclaration.GetTypeForVariable(i),
 				            varDecl.Name,
 				            localVariableDeclaration.StartLocation,
-				            (blockStack.Count == 0) ? new Point(-1, -1) : blockStack.Peek().EndLocation,
+				            (blockStack.Count == 0) ? new Location(-1, -1) : blockStack.Peek().EndLocation,
 				            (localVariableDeclaration.Modifier & Modifier.Const) == Modifier.Const);
 			}
 			return base.Visit(localVariableDeclaration, data);

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

@@ -8,7 +8,6 @@
 // created on 04.08.2003 at 17:49
 using System;
 using System.Text;
-using System.Drawing;
 using System.Diagnostics;
 using System.Collections;
 using System.Collections.Generic;
@@ -271,7 +270,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			}
 		}
 		
-		DomRegion GetRegion(Point start, Point end)
+		static DomRegion GetRegion(RefParser.Location start, RefParser.Location end)
 		{
 			return new DomRegion(start, end);
 		}
@@ -420,7 +419,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 		internal static IParameter CreateParameter(AST.ParameterDeclarationExpression par, IMethod method, IClass currentClass, ICompilationUnit cu)
 		{
 			IReturnType parType = CreateReturnType(par.TypeReference, method, currentClass, cu);
-			DefaultParameter p = new DefaultParameter(par.ParameterName, parType, new DomRegion(par.StartLocation, par.EndLocation));
+			DefaultParameter p = new DefaultParameter(par.ParameterName, parType, GetRegion(par.StartLocation, par.EndLocation));
 			p.Modifiers = (ParameterModifiers)par.ParamModifier;
 			return p;
 		}
@@ -428,7 +427,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 		public override object Visit(AST.MethodDeclaration methodDeclaration, object data)
 		{
 			DomRegion region     = GetRegion(methodDeclaration.StartLocation, methodDeclaration.EndLocation);
-			DomRegion bodyRegion = GetRegion(methodDeclaration.EndLocation, methodDeclaration.Body != null ? methodDeclaration.Body.EndLocation : new Point(-1, -1));
+			DomRegion bodyRegion = GetRegion(methodDeclaration.EndLocation, methodDeclaration.Body != null ? methodDeclaration.Body.EndLocation : RefParser.Location.Empty);
 			DefaultClass c  = GetCurrentClass();
 			
 			DefaultMethod method = new DefaultMethod(methodDeclaration.Name, null, ConvertModifier(methodDeclaration.Modifier), region, bodyRegion, GetCurrentClass());
@@ -451,7 +450,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 		{
 			DefaultClass c  = GetCurrentClass();
 			DomRegion region     = GetRegion(operatorDeclaration.StartLocation, operatorDeclaration.EndLocation);
-			DomRegion bodyRegion = GetRegion(operatorDeclaration.EndLocation, operatorDeclaration.Body != null ? operatorDeclaration.Body.EndLocation : new Point(-1, -1));
+			DomRegion bodyRegion = GetRegion(operatorDeclaration.EndLocation, operatorDeclaration.Body != null ? operatorDeclaration.Body.EndLocation : RefParser.Location.Empty);
 			
 			DefaultMethod method = new DefaultMethod(operatorDeclaration.Name, CreateReturnType(operatorDeclaration.TypeReference), ConvertModifier(operatorDeclaration.Modifier), region, bodyRegion, c);
 			ConvertAttributes(operatorDeclaration, method);
@@ -468,7 +467,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 		public override object Visit(AST.ConstructorDeclaration constructorDeclaration, object data)
 		{
 			DomRegion region     = GetRegion(constructorDeclaration.StartLocation, constructorDeclaration.EndLocation);
-			DomRegion bodyRegion = GetRegion(constructorDeclaration.EndLocation, constructorDeclaration.Body != null ? constructorDeclaration.Body.EndLocation : new Point(-1, -1));
+			DomRegion bodyRegion = GetRegion(constructorDeclaration.EndLocation, constructorDeclaration.Body != null ? constructorDeclaration.Body.EndLocation : RefParser.Location.Empty);
 			DefaultClass c = GetCurrentClass();
 			
 			Constructor constructor = new Constructor(ConvertModifier(constructorDeclaration.Modifier), region, bodyRegion, GetCurrentClass());
@@ -486,7 +485,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 		public override object Visit(AST.DestructorDeclaration destructorDeclaration, object data)
 		{
 			DomRegion region     = GetRegion(destructorDeclaration.StartLocation, destructorDeclaration.EndLocation);
-			DomRegion bodyRegion = GetRegion(destructorDeclaration.EndLocation, destructorDeclaration.Body != null ? destructorDeclaration.Body.EndLocation : new Point(-1, -1));
+			DomRegion bodyRegion = GetRegion(destructorDeclaration.EndLocation, destructorDeclaration.Body != null ? destructorDeclaration.Body.EndLocation : RefParser.Location.Empty);
 			
 			DefaultClass c = GetCurrentClass();
 			

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

@@ -8,7 +8,6 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.Drawing;
 
 using ICSharpCode.Core;
 using ICSharpCode.NRefactory.Parser;
@@ -213,7 +212,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			WithStatement innermost = null;
 			if (lookupTableVisitor.WithStatements != null) {
 				foreach (WithStatement with in lookupTableVisitor.WithStatements) {
-					if (IsInside(new Point(caretColumn, caretLine), with.StartLocation, with.EndLocation)) {
+					if (IsInside(new Location(caretColumn, caretLine), with.StartLocation, with.EndLocation)) {
 						innermost = with;
 					}
 				}
@@ -721,7 +720,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			return languageProperties.NameComparer.Equals(name1, name2);
 		}
 		
-		bool IsInside(Point between, Point start, Point end)
+		bool IsInside(Location between, Location start, Location end)
 		{
 			if (between.Y < start.Y || between.Y > end.Y) {
 				return false;
@@ -940,7 +939,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			}
 			
 			foreach (LocalLookupVariable v in variables) {
-				if (IsInside(new Point(caretColumn, caretLine), v.StartPos, v.EndPos)) {
+				if (IsInside(new Location(caretColumn, caretLine), v.StartPos, v.EndPos)) {
 					return v;
 				}
 			}
@@ -1012,7 +1011,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			foreach (KeyValuePair<string, List<LocalLookupVariable>> pair in lookupTableVisitor.Variables) {
 				if (pair.Value != null && pair.Value.Count > 0) {
 					foreach (LocalLookupVariable v in pair.Value) {
-						if (IsInside(new Point(caretColumn, caretLine), v.StartPos, v.EndPos)) {
+						if (IsInside(new Location(caretColumn, caretLine), v.StartPos, v.EndPos)) {
 							// convert to a field for display
 							result.Add(CreateLocalVariableField(v, pair.Key));
 							break;

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

@@ -6,7 +6,7 @@
 // </file>
 
 using System;
-using System.Drawing;
+using Location = ICSharpCode.NRefactory.Parser.Location;
 
 namespace ICSharpCode.SharpDevelop.Dom
 {
@@ -50,7 +50,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 		
 		/// <value>
 		/// if the end column is == -1 the end line is -1 too
-		/// this stands for an unknwon end
+		/// this stands for an unknown end
 		/// </value>
 		public int EndColumn {
 			get {
@@ -58,16 +58,11 @@ namespace ICSharpCode.SharpDevelop.Dom
 			}
 		}
 		
-		public DomRegion(Point start, Point end)
+		public DomRegion(Location start, Location end)
 			: this(start.Y, start.X, end.Y, end.X)
 		{
 		}
 		
-		public DomRegion(Point start)
-			: this(start.Y, start.X)
-		{
-		}
-		
 		public DomRegion(int beginLine, int beginColumn, int endLine, int endColumn)
 		{
 			this.beginLine   = beginLine;