Merge remote-tracking branch 'upstream/master' into mansheng

ICSharpCode.NRefactory.CSharp/Formatter/AstFormattingVisitor.cs

@@ -117,7 +117,7 @@ namespace ICSharpCode.NRefactory.CSharp
 			curIndent = new Indent(this.options);
 		}
 
-		protected virtual void VisitChildren (AstNode node)
+		protected override void VisitChildren (AstNode node)
 		{
 			if (!FormattingRegion.IsEmpty) {
 				if (node.EndLocation < FormattingRegion.Begin || node.StartLocation > FormattingRegion.End)

ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/ExtractMethod/ExtractMethodAction.cs

@@ -31,6 +31,7 @@ using ICSharpCode.NRefactory.CSharp.Resolver;
 using ICSharpCode.NRefactory.CSharp.Analysis;
 using System.Threading;
 using ICSharpCode.NRefactory.TypeSystem;
+using System.Threading.Tasks;
 
 namespace ICSharpCode.NRefactory.CSharp.Refactoring.ExtractMethod
 {
@@ -78,10 +79,12 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring.ExtractMethod
 				};
 				if (!StaticVisitor.UsesNotStaticMember(context, expression))
 					method.Modifiers |= Modifiers.Static;
-				script.InsertWithCursor(context.TranslateString("Extract method"), Script.InsertPosition.Before, method);
+				var task = script.InsertWithCursor(context.TranslateString("Extract method"), Script.InsertPosition.Before, method);
+				task.ContinueWith (delegate {
 					var target = new IdentifierExpression(methodName);
 					script.Replace(expression, new InvocationExpression(target));
-//				script.Link(target, method.NameToken);
+					script.Link(target, method.NameToken);
+				}, TaskScheduler.FromCurrentSynchronizationContext ());
 			});
 		}
 		
@@ -180,13 +183,14 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring.ExtractMethod
 						new ParameterDeclaration(context.CreateShortType(status.Item1.Type), status.Item1.Name, mod));
 					invocation.Arguments.Add(argumentExpression);
 				}
-
+				var task = script.InsertWithCursor(context.TranslateString("Extract method"), Script.InsertPosition.Before, method);
+				task.ContinueWith (delegate {
 					foreach (var node in statements.Skip (1)) {
 						script.Remove(node);
 					}
 					script.Replace(statements [0], new ExpressionStatement(invocation));
-				script.InsertWithCursor(context.TranslateString("Extract method"), Script.InsertPosition.Before, method);
-				//script.Link(target, method.NameToken);
+					script.Link(target, method.NameToken);
+				}, TaskScheduler.FromCurrentSynchronizationContext ());
 			});
 		}
 	}

ICSharpCode.NRefactory.CSharp/Refactoring/Script.cs

@@ -28,6 +28,7 @@ using System.Collections.Generic;
 using System.IO;
 using ICSharpCode.NRefactory.Editor;
 using ICSharpCode.NRefactory.TypeSystem;
+using System.Threading.Tasks;
 
 namespace ICSharpCode.NRefactory.CSharp.Refactoring
 {
@@ -161,10 +162,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			output.RegisterTrackedSegments(this, startOffset);
 		}
 		
-		public virtual void Link (params AstNode[] nodes)
+		public virtual Task Link (params AstNode[] nodes)
 		{
 			// Default implementation: do nothing
 			// Derived classes are supposed to enter the text editor's linked state.
+			return null;
 		}
 		
 		public void Replace (AstNode node, AstNode replaceWith)
@@ -198,24 +200,24 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			End
 		}
 		
-		public virtual void InsertWithCursor(string operation, InsertPosition defaultPosition, IEnumerable<AstNode> node)
+		public virtual Task InsertWithCursor(string operation, InsertPosition defaultPosition, IEnumerable<AstNode> node)
 		{
 			throw new NotImplementedException();
 		}
 		
-		public virtual void InsertWithCursor(string operation, ITypeDefinition parentType, IEnumerable<AstNode> node)
+		public virtual Task InsertWithCursor(string operation, ITypeDefinition parentType, IEnumerable<AstNode> node)
 		{
 			throw new NotImplementedException();
 		}
 		
-		public void InsertWithCursor(string operation, InsertPosition defaultPosition, params AstNode[] nodes)
+		public Task InsertWithCursor(string operation, InsertPosition defaultPosition, params AstNode[] nodes)
 		{
-			InsertWithCursor(operation, defaultPosition, (IEnumerable<AstNode>)nodes);
+			return InsertWithCursor(operation, defaultPosition, (IEnumerable<AstNode>)nodes);
 		}
 		
-		public void InsertWithCursor(string operation, ITypeDefinition parentType, params AstNode[] nodes)
+		public Task InsertWithCursor(string operation, ITypeDefinition parentType, params AstNode[] nodes)
 		{
-			InsertWithCursor(operation, parentType, (IEnumerable<AstNode>)nodes);
+			return InsertWithCursor(operation, parentType, (IEnumerable<AstNode>)nodes);
 		}
 		
 		protected virtual int GetIndentLevelAt (int offset)

ICSharpCode.NRefactory.Tests/CSharp/CodeActions/ExtractMethodTests.cs

@@ -28,11 +28,11 @@ using ICSharpCode.NRefactory.CSharp.Refactoring.ExtractMethod;
 
 namespace ICSharpCode.NRefactory.CSharp.CodeActions
 {
+	[Ignore("FIXME!!")]
 	[TestFixture]
 	public class ExtractMethodTests : ContextActionTestBase
 	{
 
-		[Ignore("FIXME!!")]
 		[Test()]
 		public void ExtractMethodResultStatementTest()
 		{

ICSharpCode.NRefactory.Tests/CSharp/CodeActions/TestRefactoringContext.cs

@@ -36,6 +36,7 @@ using ICSharpCode.NRefactory.Semantics;
 using ICSharpCode.NRefactory.TypeSystem;
 using NUnit.Framework;
 using System.Threading;
+using System.Threading.Tasks;
 
 namespace ICSharpCode.NRefactory.CSharp.CodeActions
 {
@@ -89,23 +90,27 @@ namespace ICSharpCode.NRefactory.CSharp.CodeActions
 				this.context = context;
 			}
 			
-			public override void Link (params AstNode[] nodes)
+			public override Task Link (params AstNode[] nodes)
 			{
 				// check that all links are valid.
 				foreach (var node in nodes) {
 					Assert.IsNotNull (GetSegment (node));
 				}
+				return new Task (() => {});
 			}
 			
-			public override void InsertWithCursor(string operation, InsertPosition defaultPosition, IEnumerable<AstNode> nodes)
+			public override Task InsertWithCursor(string operation, InsertPosition defaultPosition, IEnumerable<AstNode> nodes)
 			{
 				var entity = context.GetNode<EntityDeclaration>();
 				foreach (var node in nodes) {
 					InsertBefore(entity, node);
 				}
+				var t = new Task (() => {});
+				t.RunSynchronously ();
+				return t;
 			}
 
-			public override void InsertWithCursor (string operation, ITypeDefinition parentType, IEnumerable<AstNode> nodes)
+			public override Task InsertWithCursor (string operation, ITypeDefinition parentType, IEnumerable<AstNode> nodes)
 			{
 				var unit = context.RootNode;
 				var insertType = unit.GetNodeAt<TypeDeclaration> (parentType.Region.Begin);
@@ -116,6 +121,9 @@ namespace ICSharpCode.NRefactory.CSharp.CodeActions
 					InsertText (startOffset, output.Text);
 					output.RegisterTrackedSegments (this, startOffset);
 				}
+				var t = new Task (() => {});
+				t.RunSynchronously ();
+				return t;
 			}
 
 			void Rename (AstNode node, string newName)