1 files changed, 40 insertions, 0 deletions
diff --git a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.CodeRefactorings/IntroduceVariable/IntroduceVariableCodeRefactoringProvider.cs b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.CodeRefactorings/IntroduceVariable/IntroduceVariableCodeRefactoringProvider.cs
new file mode 100644
index 0000000000..a7cf7247aa
--- /dev/null
+++ b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.CodeRefactorings/IntroduceVariable/IntroduceVariableCodeRefactoringProvider.cs
@@ -0,0 +1,40 @@
+// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+using System.Composition;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis.CodeRefactorings;
+using Microsoft.CodeAnalysis;
+using ICSharpCode.NRefactory6.CSharp.Features.IntroduceVariable;
+using ICSharpCode.NRefactory6.CSharp;
+
+namespace MonoDevelop.CSharp.CodeRefactorings.IntroduceVariable
+{
+	[ExportCodeRefactoringProvider(LanguageNames.CSharp, Name = PredefinedCodeRefactoringProviderNames.IntroduceVariable), Shared]
+	class IntroduceVariableCodeRefactoringProvider : CodeRefactoringProvider
+	{
+		static readonly CSharpIntroduceVariableService service = new CSharpIntroduceVariableService ();
+
+		public override async Task ComputeRefactoringsAsync(CodeRefactoringContext context)
+		{
+			var document = context.Document;
+			var textSpan = context.Span;
+			var cancellationToken = context.CancellationToken;
+			if (document.Project.Solution.Workspace.Kind == WorkspaceKind.MiscellaneousFiles)
+			{
+				return;
+			}
+			var model = await document.GetSemanticModelAsync (cancellationToken).ConfigureAwait (false);
+			if (model.IsFromGeneratedCode (cancellationToken))
+				return;
+			var result = await service.IntroduceVariableAsync(document, textSpan, cancellationToken).ConfigureAwait(false);
+
+			if (!result.ContainsChanges)
+			{
+				return;
+			}
+
+			var actions = result.GetCodeRefactoring(cancellationToken).Actions;
+			context.RegisterRefactorings(actions);
+		}
+	}
+}