Web references in Boo projects are now supported.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1663 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/BooLanguageBinding.cs

@@ -6,19 +6,10 @@
 // </file>
 
 using System;
-using System.IO;
-using System.Diagnostics;
-using System.Collections;
-using System.Reflection;
-using System.Resources;
-using System.Windows.Forms;
 using System.Xml;
-using System.CodeDom.Compiler;
-using System.Threading;
-using ICSharpCode.SharpDevelop.Project;
+using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Internal.Templates;
-using ICSharpCode.SharpDevelop.Gui;
-using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace Grunwald.BooBinding
 {
@@ -32,31 +23,6 @@ namespace Grunwald.BooBinding
 			}
 		}
 		
-		#region routines for single file compilation
-		public bool CanCompile(string fileName)
-		{
-			string ext = Path.GetExtension(fileName);
-			if (ext == null)
-				return false;
-			return string.Equals(ext, ".BOO", StringComparison.InvariantCultureIgnoreCase);
-		}
-		
-		public string GetCompiledOutputName(string fileName)
-		{
-			return Path.ChangeExtension(fileName, ".exe");
-		}
-		
-		public CompilerResults CompileFile(string fileName)
-		{
-			throw new NotImplementedException();
-		}
-		
-		public void Execute(string fileName, bool debug)
-		{
-			throw new NotImplementedException(); // only needed for single-file compilation
-		}
-		#endregion
-		
 		public IProject LoadProject(string fileName, string projectName)
 		{
 			return new BooProject(fileName, projectName);
@@ -69,5 +35,11 @@ namespace Grunwald.BooBinding
 				p.ImportOptions(projectOptions.Attributes);
 			return p;
 		}
+		
+		public LanguageProperties LanguageProperties {
+			get {
+				return BooLanguageProperties.Instance;
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/BooLanguageProperties.cs

@@ -47,6 +47,12 @@ namespace Grunwald.BooBinding
 			}
 		}
 		
+		public override bool SupportsImplicitInterfaceImplementation {
+			get {
+				return true;
+			}
+		}
+		
 		public override RefactoringProvider RefactoringProvider {
 			get {
 				return CodeCompletion.BooRefactoringProvider.BooProvider;
@@ -58,5 +64,11 @@ namespace Grunwald.BooBinding
 				return BooCodeGenerator.Instance;
 			}
 		}
+		
+		public override System.CodeDom.Compiler.CodeDomProvider CodeDomProvider {
+			get {
+				return new Boo.Lang.CodeDom.BooCodeProvider();
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/BooProject.cs

@@ -68,7 +68,7 @@ namespace Grunwald.BooBinding
 		
 		public override bool CanCompile(string fileName)
 		{
-			return new BooLanguageBinding().CanCompile(fileName);
+			return string.Equals(Path.GetExtension(fileName), ".boo", StringComparison.OrdinalIgnoreCase);
 		}
 		
 		internal static IProjectContent BooCompilerPC;

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

@@ -1,25 +1,15 @@
 // <file>
 //     <copyright see="prj:///doc/copyright.txt"/>
 //     <license see="prj:///doc/license.txt"/>
-//     <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
+//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
 //     <version>$Revision$</version>
 // </file>
 
 using System;
-using System.IO;
-using System.Diagnostics;
-using System.Collections;
-using System.Reflection;
-using System.Resources;
-using System.Windows.Forms;
 using System.Xml;
-using System.CodeDom.Compiler;
-using System.Threading;
-
-using ICSharpCode.SharpDevelop.Project;
+using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Internal.Templates;
-using ICSharpCode.SharpDevelop.Gui;
-using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace CSharpBinding
 {
@@ -33,57 +23,6 @@ namespace CSharpBinding
 			}
 		}
 		
-		#region routines for single file compilation
-		public bool CanCompile(string fileName)
-		{
-			Debug.Assert(fileName != null);
-			
-			string ext = Path.GetExtension(fileName);
-			if (ext == null) {
-				return false;
-			}
-			return ext.Equals(".CS", StringComparison.OrdinalIgnoreCase);
-		}
-		
-		public string GetCompiledOutputName(string fileName)
-		{
-			Debug.Assert(CanCompile(fileName));
-			
-			return Path.ChangeExtension(fileName, ".exe");
-		}
-		
-		public CompilerResults CompileFile(string fileName)
-		{
-			Debug.Assert(CanCompile(fileName));
-			
-			// TODO: Implement me!
-			return null;
-		}
-		
-		public void Execute(string fileName, bool debug)
-		{
-			string exe = GetCompiledOutputName(fileName);
-			
-			
-			if (debug) {
-				ProcessStartInfo psi = new ProcessStartInfo();
-				psi.FileName = exe;
-				psi.WorkingDirectory = Path.GetDirectoryName(exe);
-				psi.Arguments = "";
-
-				DebuggerService.CurrentDebugger.Start(psi);
-			} else {
-				ProcessStartInfo psi = new ProcessStartInfo();
-				psi.FileName = Environment.GetEnvironmentVariable("ComSpec");
-				psi.WorkingDirectory = Path.GetDirectoryName(exe);
-				psi.Arguments = "/c " + "\"" + exe + "\"" + " & pause";
-				psi.UseShellExecute = false;
-				
-				DebuggerService.CurrentDebugger.StartWithoutDebugging(psi);
-			}
-		}
-		#endregion
-		
 		public IProject LoadProject(string fileName, string projectName)
 		{
 			return new CSharpProject(fileName, projectName);

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

@@ -7,20 +7,12 @@
 
 using System;
 using System.ComponentModel;
-using System.IO;
 using System.Diagnostics;
-using System.Collections;
-using System.Reflection;
-using System.Resources;
-using System.Windows.Forms;
-using System.Xml;
-using System.CodeDom.Compiler;
-using System.Threading;
+using System.IO;
 
-using ICSharpCode.SharpDevelop.Project;
-using ICSharpCode.SharpDevelop.Internal.Templates;
-using ICSharpCode.SharpDevelop.Gui;
 using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop.Internal.Templates;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace CSharpBinding
 {
@@ -62,7 +54,7 @@ namespace CSharpBinding
 		
 		public override bool CanCompile(string fileName)
 		{
-			return new CSharpLanguageBinding().CanCompile(fileName);
+			return string.Equals(Path.GetExtension(fileName), ".cs", StringComparison.OrdinalIgnoreCase);
 		}
 	}
 }

src/AddIns/BackendBindings/ILAsmBinding/Project/Src/ILAsmLanguageBinding.cs

@@ -6,20 +6,10 @@
 // </file>
 
 using System;
-using System.IO;
-using System.Diagnostics;
-using System.Collections;
-using System.Reflection;
-using System.Resources;
-using System.Windows.Forms;
 using System.Xml;
-using System.CodeDom.Compiler;
-using System.Threading;
-
-using ICSharpCode.SharpDevelop.Project;
+using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Internal.Templates;
-using ICSharpCode.SharpDevelop.Gui;
-using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace ICSharpCode.ILAsmBinding
 {
@@ -27,64 +17,12 @@ namespace ICSharpCode.ILAsmBinding
 	{
 		public const string LanguageName = "ILAsm";
 		
-		public string Language
-		{
+		public string Language {
 			get {
 				return LanguageName;
 			}
 		}
 		
-		#region routines for single file compilation
-		public bool CanCompile(string fileName)
-		{
-			Debug.Assert(fileName != null);
-			
-			string ext = Path.GetExtension(fileName);
-			if (ext == null) {
-				return false;
-			}
-			return ext.Equals(".IL", StringComparison.OrdinalIgnoreCase);
-		}
-		
-		public string GetCompiledOutputName(string fileName)
-		{
-			Debug.Assert(CanCompile(fileName));
-			
-			return Path.ChangeExtension(fileName, ".exe");
-		}
-		
-		public CompilerResults CompileFile(string fileName)
-		{
-			Debug.Assert(CanCompile(fileName));
-			
-			// TODO: Implement me!
-			return null;
-		}
-		
-		public void Execute(string fileName, bool debug)
-		{
-			string exe = GetCompiledOutputName(fileName);
-			
-			
-			if (debug) {
-				ProcessStartInfo psi = new ProcessStartInfo();
-				psi.FileName = exe;
-				psi.WorkingDirectory = Path.GetDirectoryName(exe);
-				psi.Arguments = "";
-
-				DebuggerService.CurrentDebugger.Start(psi);
-			} else {
-				ProcessStartInfo psi = new ProcessStartInfo();
-				psi.FileName = Environment.GetEnvironmentVariable("ComSpec");
-				psi.WorkingDirectory = Path.GetDirectoryName(exe);
-				psi.Arguments = "/c " + "\"" + exe + "\"" + " & pause";
-				psi.UseShellExecute = false;
-				
-				DebuggerService.CurrentDebugger.StartWithoutDebugging(psi);
-			}
-		}
-		#endregion
-		
 		public IProject LoadProject(string fileName, string projectName)
 		{
 			return new ILAsmProject(fileName, projectName);

src/AddIns/BackendBindings/ILAsmBinding/Project/Src/ILAsmProject.cs

@@ -1,11 +1,12 @@
 // <file>
-//     <copyright see="prj:///doc/copyright.txt">2002-2005 AlphaSierraPapa</copyright>
-//     <license see="prj:///doc/license.txt">GNU General Public License</license>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
 //     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
 //     <version>$Revision$</version>
 // </file>
 
 using System;
+using System.IO;
 using ICSharpCode.SharpDevelop.Internal.Templates;
 using ICSharpCode.SharpDevelop.Project;
 
@@ -30,7 +31,7 @@ namespace ICSharpCode.ILAsmBinding
 		
 		public override bool CanCompile(string fileName)
 		{
-			return new ILAsmLanguageBinding().CanCompile(fileName);
+			return string.Equals(".il", Path.GetExtension(fileName), StringComparison.InvariantCultureIgnoreCase);
 		}
 	}
 }

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

@@ -8,19 +8,10 @@
 using System;
 using System.ComponentModel;
 using System.IO;
-using System.Diagnostics;
-using System.Collections;
-using System.Reflection;
-using System.Resources;
-using System.Windows.Forms;
-using System.Xml;
-using System.CodeDom.Compiler;
-using System.Threading;
 
-using ICSharpCode.SharpDevelop.Project;
-using ICSharpCode.SharpDevelop.Internal.Templates;
-using ICSharpCode.SharpDevelop.Gui;
 using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop.Internal.Templates;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace VBNetBinding
 {
@@ -88,7 +79,7 @@ namespace VBNetBinding
 		
 		public override bool CanCompile(string fileName)
 		{
-			return new VBNetLanguageBinding().CanCompile(fileName);
+			return string.Equals(Path.GetExtension(fileName), ".vb", StringComparison.OrdinalIgnoreCase);
 		}
 	}
 }

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

@@ -6,20 +6,10 @@
 // </file>
 
 using System;
-using System.IO;
-using System.Diagnostics;
-using System.Collections;
-using System.Reflection;
-using System.Resources;
-using System.Windows.Forms;
 using System.Xml;
-using System.CodeDom.Compiler;
-using System.Threading;
-
-using ICSharpCode.SharpDevelop.Project;
+using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Internal.Templates;
-using ICSharpCode.SharpDevelop.Gui;
-using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace VBNetBinding
 {
@@ -34,57 +24,6 @@ namespace VBNetBinding
 			}
 		}
 		
-		#region routines for single file compilation
-		public bool CanCompile(string fileName)
-		{
-			Debug.Assert(fileName != null);
-			
-			string ext = Path.GetExtension(fileName);
-			if (ext == null) {
-				return false;
-			}
-			return ext.Equals(".VB", StringComparison.OrdinalIgnoreCase);
-		}
-		
-		public string GetCompiledOutputName(string fileName)
-		{
-			Debug.Assert(CanCompile(fileName));
-			
-			return Path.ChangeExtension(fileName, ".exe");
-		}
-		
-		public CompilerResults CompileFile(string fileName)
-		{
-			Debug.Assert(CanCompile(fileName));
-			
-			// TODO: Implement me!
-			return null;
-		}
-		
-		public void Execute(string fileName, bool debug)
-		{
-			string exe = GetCompiledOutputName(fileName);
-			
-			
-			if (debug) {
-				ProcessStartInfo psi = new ProcessStartInfo();
-				psi.FileName = exe;
-				psi.WorkingDirectory = Path.GetDirectoryName(exe);
-				psi.Arguments = "";
-
-				DebuggerService.CurrentDebugger.Start(psi);
-			} else {
-				ProcessStartInfo psi = new ProcessStartInfo();
-				psi.FileName = Environment.GetEnvironmentVariable("ComSpec");
-				psi.WorkingDirectory = Path.GetDirectoryName(exe);
-				psi.Arguments = "/c " + "\"" + exe + "\"" + " & pause";
-				psi.UseShellExecute = false;
-				
-				DebuggerService.CurrentDebugger.StartWithoutDebugging(psi);
-			}
-		}
-		#endregion
-		
 		public IProject LoadProject(string fileName, string projectName)
 		{
 			return new VBNetProject(fileName, projectName);

src/AddIns/BackendBindings/WixBinding/Project/Src/WixLanguageBinding.cs

@@ -6,12 +6,10 @@
 // </file>
 
 using System;
-using System.CodeDom.Compiler;
-using System.IO;
 using System.Xml;
-using ICSharpCode.SharpDevelop.Gui;
-using ICSharpCode.SharpDevelop.Project;
+using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Internal.Templates;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace ICSharpCode.WixBinding
 {
@@ -25,29 +23,6 @@ namespace ICSharpCode.WixBinding
 			}
 		}
 		
-		public void Execute(string fileName, bool debug)
-		{
-		}
-		
-		public string GetCompiledOutputName(string fileName)
-		{
-			return String.Empty;
-		}
-		
-		public bool CanCompile(string fileName)
-		{
-			string ext = Path.GetExtension(fileName);
-			if (ext == null) {
-				return false;
-			}
-			return ext.Equals(".wxs", StringComparison.OrdinalIgnoreCase);
-		}
-		
-		public CompilerResults CompileFile(string fileName)
-		{
-			return null;
-		}
-		
 		public IProject LoadProject(string fileName, string projectName)
 		{
 			return new WixProject(fileName, projectName);

src/Main/Base/Project/Src/Gui/Dialogs/ReferenceDialog/WebReference.cs

@@ -21,7 +21,7 @@ using System.Xml.Serialization;
 namespace ICSharpCode.SharpDevelop.Gui
 {
 	public class WebReference
-	{	
+	{
 		List<ProjectItem> items;
 		string url = String.Empty;
 		string relativePath = String.Empty;
@@ -41,7 +41,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 			this.name = name;
 			GetRelativePath();
 		}
-			
+		
 		public static bool ProjectContainsWebReferencesFolder(IProject project)
 		{
 			return GetWebReferencesProjectItem(project) != null;
@@ -70,12 +70,12 @@ namespace ICSharpCode.SharpDevelop.Gui
 		}
 		
 		/// <summary>
-		/// Returns the reference name.  If the folder that will contain the 
-		/// web reference already exists this method looks for a new folder by 
+		/// Returns the reference name.  If the folder that will contain the
+		/// web reference already exists this method looks for a new folder by
 		/// adding a digit to the end of the reference name.
 		/// </summary>
 		public static string GetReferenceName(string webReferenceFolder, string name)
-		{						
+		{
 			// If it is already in the project, or it does exists we get a new name.
 			int count = 1;
 			string referenceName = name;
@@ -84,7 +84,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 				referenceName = String.Concat(name, count.ToString());
 				folder = Path.Combine(webReferenceFolder, referenceName);
 				++count;
-			}	
+			}
 			return referenceName;
 		}
 		
@@ -95,13 +95,13 @@ namespace ICSharpCode.SharpDevelop.Gui
 		/// <param name="name">The name of the web reference to look for.  This is
 		/// not the full path of the web reference, just the last folder's name.</param>
 		/// <remarks>
-		/// This method does not return the WebReferenceUrl project item only the 
+		/// This method does not return the WebReferenceUrl project item only the
 		/// files that are part of the web reference.
 		/// </remarks>
 		public static List<ProjectItem> GetFileItems(IProject project, string name)
 		{
 			List<ProjectItem> items = new List<ProjectItem>();
-						
+			
 			// Find web references folder.
 			WebReferencesProjectItem webReferencesProjectItem = GetWebReferencesProjectItem(project);
 			if (webReferencesProjectItem != null) {
@@ -137,7 +137,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		}
 		
 		/// <summary>
-		/// Gets the web references directory which is the parent folder for 
+		/// Gets the web references directory which is the parent folder for
 		/// this web reference.
 		/// </summary>
 		public string WebReferencesDirectory {
@@ -269,23 +269,14 @@ namespace ICSharpCode.SharpDevelop.Gui
 			codeUnit.Namespaces.Add(codeNamespace);
 			ServiceDescriptionImportWarnings warnings = importer.Import(codeNamespace, codeUnit);
 			
-			CodeDomProvider provider;
+			CodeDomProvider provider = null;
 			
-			switch(Path.GetExtension(fileName).ToLowerInvariant()) {
-				case ".cs":
-					provider = new Microsoft.CSharp.CSharpCodeProvider();
-					break;
-				case ".vb":
-					provider = new Microsoft.VisualBasic.VBCodeProvider();					
-					break;
-							
-				default:
-					// extension not supported
-					provider = null;			
-					break;
+			ICSharpCode.SharpDevelop.Dom.IParser parser = ParserService.GetParser(fileName);
+			if (parser != null) {
+				provider = parser.Language.CodeDomProvider;
 			}
 			
-			if(provider != null) {				
+			if (provider != null) {
 				StreamWriter sw = new StreamWriter(fileName);
 				CodeGeneratorOptions options = new CodeGeneratorOptions();
 				options.BracingStyle = "C";
@@ -307,14 +298,14 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		string GetProxyFileNameExtension(string language)
 		{
-			switch (language) {
-				case "C#":
-					return ".cs";
-				case "VBNet":
-					return ".vb";
-				default:
-					throw new NotImplementedException(String.Concat("Unhandled language: ", language));
+			LanguageBindingDescriptor binding = LanguageBindingService.GetCodonPerLanguageName(language);
+			if (binding != null) {
+				string[] extensions = binding.CodeFileExtensions;
+				if (extensions.Length > 0) {
+					return extensions[0];
+				}
 			}
+			throw new NotSupportedException("Unsupported language: " + language);
 		}
 		
 		static WebReferencesProjectItem GetWebReferencesProjectItem(List<ProjectItem> items)
@@ -359,7 +350,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		List<ProjectItem> CreateProjectItems()
 		{
 			List<ProjectItem> items = new List<ProjectItem>();
-				
+			
 			// Web references item.
 			if (!ProjectContainsWebReferencesFolder(project)) {
 				WebReferencesProjectItem webReferencesItem = new WebReferencesProjectItem(project);
@@ -429,7 +420,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		/// <summary>
 		/// Checks the file project items against the file items this web reference
-		/// has and adds any items that have been removed but still exist in the 
+		/// has and adds any items that have been removed but still exist in the
 		/// project.
 		/// </summary>
 		List<ProjectItem> GetRemovedItems(List<ProjectItem> projectWebReferenceItems)

src/Main/Base/Project/Src/Gui/Pads/ProjectBrowser/Commands/FolderNodeCommands.cs

@@ -56,8 +56,8 @@ namespace ICSharpCode.SharpDevelop.Project.Commands
 				LanguageBindingDescriptor languageCodon = LanguageBindingService.GetCodonPerLanguageName(project.Language);
 				if (languageCodon != null) {
 					for (int i = 0; i < fileFilters.Length; ++i) {
-						for (int j = 0; j < languageCodon.Supportedextensions.Length; ++j) {
-							if (fileFilters[i].ToUpperInvariant().IndexOf(languageCodon.Supportedextensions[j].ToUpperInvariant()) >= 0) {
+						for (int j = 0; j < languageCodon.CodeFileExtensions.Length; ++j) {
+							if (fileFilters[i].ToUpperInvariant().IndexOf(languageCodon.CodeFileExtensions[j].ToUpperInvariant()) >= 0) {
 								return i + 1;
 							}
 						}

src/Main/Base/Project/Src/Services/LanguageBinding/ILanguageBinding.cs

@@ -7,11 +7,10 @@
 
 using System;
 using System.CodeDom.Compiler;
-using System.Collections;
 using System.Xml;
 
+using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Internal.Templates;
-using ICSharpCode.SharpDevelop.Gui;
 
 namespace ICSharpCode.SharpDevelop.Project
 {
@@ -28,36 +27,6 @@ namespace ICSharpCode.SharpDevelop.Project
 			get;
 		}
 		
-		#region routines for single file compilation
-		/// <summary>
-		/// Is used to determine, if this language binding is able to compile a specific file.
-		/// </summary>
-		/// <param name="fileName">The file name of the file to compile.</param>
-		/// <returns>True, if this language binding can compile the given file.</returns>
-		bool CanCompile(string fileName);
-		
-		/// <summary>
-		/// Compiles a single file.
-		/// </summary>
-		/// <param name="fileName">The file name of the file to compile.</param>
-		/// <returns>The compiler results.</returns>
-		CompilerResults CompileFile(string fileName);
-		
-		/// <summary>
-		/// This function executes a file, the filename is given by filename,
-		/// the file was compiled by the compiler object before.
-		/// </summary>
-		void Execute(string fileName, bool debug);
-		
-		/// <summary>
-		/// Returns the name of the file output. (need only to work for CanCompile == true files)
-		/// </summary>
-		/// <param name="fileName">The file name of the file to compile.</param>
-		/// <returns>The compiled assembly name (full path).</returns>
-		string GetCompiledOutputName(string fileName);
-		#endregion
-		
-		
 		IProject LoadProject(string fileName, string projectName);
 		
 		/// <summary>

src/Main/Base/Project/Src/Services/LanguageBinding/LanguageBindingDescriptor.cs

@@ -16,7 +16,7 @@ using ICSharpCode.SharpDevelop.Project;
 
 namespace ICSharpCode.Core
 {
-	public class LanguageBindingDescriptor 
+	public class LanguageBindingDescriptor
 	{
 		ILanguageBinding binding = null;
 		Codon codon;
@@ -53,9 +53,17 @@ namespace ICSharpCode.Core
 			}
 		}
 		
-		public string[] Supportedextensions {
+		string[] codeFileExtensions;
+		
+		public string[] CodeFileExtensions {
 			get {
-				return codon.Properties["supportedextensions"].Split(';');
+				if (codeFileExtensions == null) {
+					if (codon.Properties["supportedextensions"].Length == 0)
+						codeFileExtensions = new string[0];
+					else
+						codeFileExtensions = codon.Properties["supportedextensions"].ToLowerInvariant().Split(';');
+				}
+				return codeFileExtensions;
 			}
 		}
 		

src/Main/Base/Project/Src/Services/LanguageBinding/LanguageBindingService.cs

@@ -1,24 +1,27 @@
 // <file>
 //     <copyright see="prj:///doc/copyright.txt"/>
 //     <license see="prj:///doc/license.txt"/>
-//     <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
+//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
 //     <version>$Revision$</version>
 // </file>
 
 using System;
-using System.Xml;
+using System.Collections.Generic;
 using System.IO;
-using System.Collections;
-using System.Reflection;
-using System.CodeDom.Compiler;
+using System.Xml;
 
 using ICSharpCode.SharpDevelop.Project;
 
 namespace ICSharpCode.Core
 {
-	public class LanguageBindingService
+	public static class LanguageBindingService
 	{
-		static LanguageBindingDescriptor[] bindings = null;
+		static IList<LanguageBindingDescriptor> bindings;
+		
+		static LanguageBindingService()
+		{
+			bindings = AddInTree.BuildItems<LanguageBindingDescriptor>("/SharpDevelop/Workbench/LanguageBindings", null, false);
+		}
 		
 		public static string GetProjectFileExtension(string languageName)
 		{
@@ -32,9 +35,9 @@ namespace ICSharpCode.Core
 			return descriptor == null ? null : descriptor.Binding;
 		}
 		
-		public static ILanguageBinding GetBindingPerFileName(string filename)
+		public static ILanguageBinding GetBindingCodePerFileName(string filename)
 		{
-			LanguageBindingDescriptor descriptor = GetCodonPerFileName(filename);
+			LanguageBindingDescriptor descriptor = GetCodonPerCodeFileName(filename);
 			return descriptor == null ? null : descriptor.Binding;
 		}
 		
@@ -54,10 +57,11 @@ namespace ICSharpCode.Core
 			return null;
 		}
 		
-		public static LanguageBindingDescriptor GetCodonPerFileName(string filename)
+		public static LanguageBindingDescriptor GetCodonPerCodeFileName(string filename)
 		{
+			string extension = Path.GetExtension(filename).ToLowerInvariant();
 			foreach (LanguageBindingDescriptor binding in bindings) {
-				if (binding.Binding.CanCompile(filename)) {
+				if (Array.IndexOf(binding.CodeFileExtensions, extension) >= 0) {
 					return binding;
 				}
 			}
@@ -107,15 +111,5 @@ namespace ICSharpCode.Core
 			}
 			return newProject;
 		}
-		
-		static LanguageBindingService()
-		{
-			try {
-				AddInTreeNode treeNode = AddInTree.GetTreeNode("/SharpDevelop/Workbench/LanguageBindings");
-				bindings = (LanguageBindingDescriptor[])(treeNode.BuildChildItems(null)).ToArray(typeof(LanguageBindingDescriptor));
-			} catch (TreePathNotFoundException) {
-				bindings = new LanguageBindingDescriptor[] {};
-			}
-		}
 	}
 }

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/LanguageProperties.cs

@@ -12,7 +12,20 @@ namespace ICSharpCode.SharpDevelop.Dom
 {
 	public class LanguageProperties
 	{
+		/// <summary>
+		/// A case-sensitive dummy language that returns false for all Supports.. properties,
+		/// uses a dummy code generator and refactoring provider and returns null for CodeDomProvider.
+		/// </summary>
+		public readonly static LanguageProperties None = new LanguageProperties(StringComparer.InvariantCulture);
+		
+		/// <summary>
+		/// C# 2.0 language properties.
+		/// </summary>
 		public readonly static LanguageProperties CSharp = new CSharpProperties();
+		
+		/// <summary>
+		/// VB.Net 8 language properties.
+		/// </summary>
 		public readonly static LanguageProperties VBNet = new VBNetProperties();
 		
 		public LanguageProperties(StringComparer nameComparer)
@@ -41,9 +54,12 @@ namespace ICSharpCode.SharpDevelop.Dom
 			}
 		}
 		
+		/// <summary>
+		/// Gets the CodeDomProvider for this language. Can return null!
+		/// </summary>
 		public virtual System.CodeDom.Compiler.CodeDomProvider CodeDomProvider {
 			get {
-				return DummyCodeDomProvider.Instance;
+				return null;
 			}
 		}
 		
@@ -139,7 +155,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 		/// </summary>
 		public virtual bool SupportsImplicitInterfaceImplementation {
 			get {
-				return true;
+				return false;
 			}
 		}
 		
@@ -198,6 +214,18 @@ namespace ICSharpCode.SharpDevelop.Dom
 				}
 			}
 			
+			public override System.CodeDom.Compiler.CodeDomProvider CodeDomProvider {
+				get {
+					return new Microsoft.CSharp.CSharpCodeProvider();
+				}
+			}
+			
+			public override bool SupportsImplicitInterfaceImplementation {
+				get {
+					return true;
+				}
+			}
+			
 			public override string ToString()
 			{
 				return "[LanguageProperties: C#]";
@@ -230,12 +258,6 @@ namespace ICSharpCode.SharpDevelop.Dom
 				}
 			}
 			
-			public override bool SupportsImplicitInterfaceImplementation {
-				get {
-					return false;
-				}
-			}
-			
 			public override bool CanImportClasses {
 				get {
 					return true;