Fixed resolver usage.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -386,11 +386,11 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 						nodes.Add (n.Parent);
 					var navigator = new NodeListResolveVisitorNavigator (nodes);
 					var visitor = new ResolveVisitor (csResolver, identifierStart.Item1, navigator);
-					identifierStart.Item3.AcceptVisitor (visitor, null);
+					visitor.Scan (identifierStart.Item3);
 					csResolver = visitor.GetResolverStateBefore (n);
 					// add attribute properties.
 					if (n.Parent is ICSharpCode.NRefactory.CSharp.Attribute) {
-						var resolved = visitor.Resolve (n.Parent);
+						var resolved = visitor.GetResolveResult (n.Parent);
 						if (resolved != null && resolved.Type != null) {
 							foreach (var property in resolved.Type.GetProperties (ctx).Where (p => p.Accessibility == Accessibility.Public)) {
 								contextList.AddMember (property);

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngineBase.cs

@@ -339,9 +339,9 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 			var csResolver = new CSharpResolver (ctx, System.Threading.CancellationToken.None);
 			var navigator = new NodeListResolveVisitorNavigator (new[] { resolveNode });
 			var visitor = new ResolveVisitor (csResolver, file, navigator);
-			unit.AcceptVisitor (visitor, null);
-			var result = visitor.Resolve (resolveNode);
+			visitor.Scan (unit);
 			var state = visitor.GetResolverStateBefore (resolveNode);
+			var result = visitor.GetResolveResult (resolveNode);
 			return Tuple.Create (result, state);
 		}
 		#endregion