When a simple-name refers to an instance field in the current class, set TargetResult=new ThisResolveResult().

ICSharpCode.NRefactory.CSharp/Resolver/CSharpResolver.cs

@@ -1395,7 +1395,8 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				
 				ResolveResult r;
 				if (lookupMode == SimpleNameLookupMode.Expression || lookupMode == SimpleNameLookupMode.InvocationTarget) {
-					r = lookup.Lookup(new TypeResolveResult(t), identifier, typeArguments, lookupMode == SimpleNameLookupMode.InvocationTarget);
+					var targetResolveResult = (t == this.CurrentTypeDefinition ? ResolveThisReference() : new TypeResolveResult(t));
+					r = lookup.Lookup(targetResolveResult, identifier, typeArguments, lookupMode == SimpleNameLookupMode.InvocationTarget);
 				} else {
 					r = lookup.LookupType(t, identifier, typeArguments, parameterizeResultType);
 				}

ICSharpCode.NRefactory.CSharp/Resolver/MemberLookup.cs

@@ -571,6 +571,10 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 					return new TypeResolveResult(resultGroup.NestedTypes[0]);
 			}
 			
+			if (resultGroup.NonMethod.IsStatic && targetResolveResult is ThisResolveResult) {
+				targetResolveResult = new TypeResolveResult(targetResolveResult.Type);
+			}
+			
 			if (lookupGroups.Count > 1) {
 				return new AmbiguousMemberResolveResult(targetResolveResult, resultGroup.NonMethod);
 			} else {

ICSharpCode.NRefactory.Tests/CSharp/Resolver/MemberLookupTests.cs

@@ -127,6 +127,42 @@ class Derived : Base {
 			Assert.AreEqual("``0", baseGroup[0].Parameters[0].Type.ReflectionName);
 		}
 		
+		[Test]
+		public void InstanceFieldImplicitThis()
+		{
+			string program = @"class Test {
+	public int Field;
+	int M() { return $Field$; }
+}";
+			var rr = Resolve<MemberResolveResult>(program);
+			Assert.AreEqual("Test.Field", rr.Member.FullName);
+			Assert.IsTrue(rr.TargetResult is ThisResolveResult);
+		}
+		
+		[Test]
+		public void InstanceFieldExplicitThis()
+		{
+			string program = @"class Test {
+	public int Field;
+	int M() { return $this.Field$; }
+}";
+			var rr = Resolve<MemberResolveResult>(program);
+			Assert.AreEqual("Test.Field", rr.Member.FullName);
+			Assert.IsTrue(rr.TargetResult is ThisResolveResult);
+		}
+		
+		[Test]
+		public void StaticField()
+		{
+			string program = @"class Test {
+	public static int Field;
+	int M() { return $Field$; }
+}";
+			var rr = Resolve<MemberResolveResult>(program);
+			Assert.AreEqual("Test.Field", rr.Member.FullName);
+			Assert.IsTrue(rr.TargetResult is TypeResolveResult);
+		}
+		
 		[Test]
 		public void TestOuterTemplateParameter()
 		{