From c6aa05d35df4e6f4c4d163ca5cf0520e2f8499f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20Kr=C3=BCger?= <mkrueger@novell.com>
Date: Fri, 17 Jun 2011 06:43:37 +0200
Subject: [PATCH] Addded GetSubTypeDefinitions method. That's like a routine we
 had in the old MD dom - it's used for example for finding all exceptions in
 an assembly.

---
 .../TypeSystem/ExtensionMethods.cs                | 15 ++++++++++++++-
 ICSharpCode.NRefactory/TypeSystem/IAnnotatable.cs |  2 +-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/ICSharpCode.NRefactory/TypeSystem/ExtensionMethods.cs b/ICSharpCode.NRefactory/TypeSystem/ExtensionMethods.cs
index 1bb0210dd3..e746c401c4 100644
--- a/ICSharpCode.NRefactory/TypeSystem/ExtensionMethods.cs
+++ b/ICSharpCode.NRefactory/TypeSystem/ExtensionMethods.cs
@@ -252,6 +252,19 @@ namespace ICSharpCode.NRefactory.TypeSystem
 					.Concat (type.GetMethods (context, filter).SafeCast<IMethod, IMember> ())
 					.Concat (type.GetEvents (context, filter).SafeCast<IEvent, IMember> ());
 		}
-		#endregion	
+		#endregion
+		
+		#region GetSubTypeDefinitions
+		/// <summary>
+		/// Gets all sub type definitions defined in a context.
+		/// </summary>
+		public static IEnumerable<ITypeDefinition> GetSubTypeDefinitions (this IType baseType, ITypeResolveContext context)
+		{
+			foreach (var contextType in context.GetAllClasses ()) {
+				if (contextType.IsDerivedFrom (baseType, context))
+					yield return contextType;
+			}
+		}
+		#endregion
 	}
 }
diff --git a/ICSharpCode.NRefactory/TypeSystem/IAnnotatable.cs b/ICSharpCode.NRefactory/TypeSystem/IAnnotatable.cs
index e396a23d17..e6552b79bf 100644
--- a/ICSharpCode.NRefactory/TypeSystem/IAnnotatable.cs
+++ b/ICSharpCode.NRefactory/TypeSystem/IAnnotatable.cs
@@ -9,7 +9,7 @@ using System.Threading;
 namespace ICSharpCode.NRefactory
 {
 	/// <summary>
-	/// Provides an interface to handle annotations in an objectj
+	/// Provides an interface to handle annotations in an object.
 	/// </summary>
 	public interface IAnnotatable
 	{