Fixed DebugMethodInfo.GetBackingField for fields

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@6262 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Debugger/Debugger.Core/MetaData/DebugMethodInfo.cs

@@ -337,10 +337,9 @@ namespace Debugger.MetaData
 		
 			if (!success) return null;
 			
-			MemberInfo member = declaringType.GetMember(token);
+			// The token can be a field in different class (static or instance in base class) - so it might not be found in the next call
-			
+			MemberInfo member;
-			if (member == null) return null;
+			if (!declaringType.TryGetMember(token, out member)) return null;
-			if (!(member is DebugFieldInfo)) return null;
 			
 			if (this.Process.Options.Verbose) {
 				this.Process.TraceMessage(string.Format("Found backing field for {0}: {1}", this.FullName, member.Name));

src/AddIns/Debugger/Debugger.Core/MetaData/DebugType.cs

@@ -281,6 +281,12 @@ namespace Debugger.MetaData
 			return membersByToken[(int)token];
 		}
 		
+		/// <summary> Return member with the given token</summary>
+		public bool TryGetMember(uint token, out MemberInfo memberInfo)
+		{
+			return membersByToken.TryGetValue((int)token, out memberInfo);
+		}
+		
 		public T GetMember<T>(string name, BindingFlags bindingFlags, Predicate<T> filter) where T:MemberInfo
 		{
 			T[] res = GetMembers<T>(name, bindingFlags, filter);