Fixed code completion on protected members from a base class when the inheritance was specified in a different part of a partial class.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@4252 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Test/NRefactoryResolverTests.cs

@@ -2784,5 +2784,27 @@ class Form {
 			var mgrr = Resolve<MethodGroupResolveResult>(program, "this.KeyDown", 4);
 			Assert.AreEqual("Test.KeyDown", mgrr.GetMethodIfSingleOverload().FullyQualifiedName);
 		}
+		
+		[Test]
+		public void ProtectedMemberVisibleWhenBaseTypeReferenceIsInOtherPart()
+		{
+			string program = @"using System;
+partial class A {
+	void M1() {
+		
+	}
+}
+partial class A : B { }
+class B
+{
+	protected int x;
+}";
+			var mrr = Resolve<MemberResolveResult>(program, "x", 4);
+			Assert.AreEqual("B.x", mrr.ResolvedMember.FullyQualifiedName);
+			
+			var rr = Resolve<ResolveResult>(program, "this", 4);
+			var completionData = rr.GetCompletionData(mrr.ResolvedMember.DeclaringType.ProjectContent);
+			Assert.IsTrue(completionData.OfType<IField>().Any(f => f.FullyQualifiedName == "B.x"));
+		}
 	}
 }

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Implementations/DefaultClass.cs

@@ -379,6 +379,10 @@ namespace ICSharpCode.SharpDevelop.Dom
 		
 		public IEnumerable<IClass> ClassInheritanceTree {
 			get {
+				IClass compoundClass = GetCompoundClass();
+				if (compoundClass != this)
+					return compoundClass.ClassInheritanceTree;
+				
 				// Notes:
 				// the ClassInheritanceTree must work even if the following things happen:
 				// - cyclic inheritance

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Interfaces/IClass.cs

@@ -80,7 +80,11 @@ namespace ICSharpCode.SharpDevelop.Dom
 		IList<ITypeParameter> TypeParameters {
 			get;
 		}
-
+		
+		/// <summary>
+		/// Returns the list of all classes that this class inherits from (directly or indirectly).
+		/// If this property is used on part of a partial class, it will also return classes inherited in other parts.
+		/// </summary>
 		IEnumerable<IClass> ClassInheritanceTree {
 			get;
 		}