Added 'CS1105ExtensionMethodMustBeDeclaredStaticAction'.

2 files changed, 58 insertions, 0 deletions

diff --git a/ICSharpCode.NRefactory.CSharp.Refactoring/CodeActions/CS1105ExtensionMethodMustBeDeclaredStaticAction.cs b/ICSharpCode.NRefactory.CSharp.Refactoring/CodeActions/CS1105ExtensionMethodMustBeDeclaredStaticAction.cs
new file mode 100644
index 00000000..ad6936dc
--- /dev/null
+++ b/ICSharpCode.NRefactory.CSharp.Refactoring/CodeActions/CS1105ExtensionMethodMustBeDeclaredStaticAction.cs
@@ -0,0 +1,57 @@
+//
+// CS1105ExtensionMethodMustBeDeclaredStaticAction.cs
+//
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+//
+// Copyright (c) 2014 Xamarin Inc. (http://xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+using System;
+using ICSharpCode.NRefactory.TypeSystem;
+using System.Threading;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace ICSharpCode.NRefactory.CSharp.Refactoring
+{
+	[ContextAction("Extension methods must be declared static")]
+	public class CS1105ExtensionMethodMustBeDeclaredStaticAction : CodeActionProvider
+	{
+		public override IEnumerable<CodeAction> GetActions(RefactoringContext context)
+		{
+			var method = context.GetNode<MethodDeclaration>();
+			if (method == null || !method.NameToken.Contains(context.Location))
+				yield break;
+
+			if (method.HasModifier(Modifiers.Static))
+				yield break;
+			var param = method.Parameters.FirstOrDefault();
+			if (param == null || param.ParameterModifier != ParameterModifier.This)
+				yield break;
+			yield return new CodeAction(
+				context.TranslateString("Convert method to static"),
+				script => script.ChangeModifier(method, method.Modifiers | Modifiers.Static), 
+				method) {
+				Severity = ICSharpCode.NRefactory.Refactoring.Severity.Error
+			};
+		}
+	}
+}
+
diff --git a/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj b/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj
index e6450321..97115ff6 100644
--- a/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj
+++ b/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj
@@ -427,6 +427,7 @@
     <Compile Include="CodeIssues\Custom\CompilerErrors\CS0618UsageOfObsoleteMemberIssue.cs" />
     <Compile Include="CodeIssues\Custom\CompilerErrors\CS0169FieldIsNeverUsedIssue.cs" />
     <Compile Include="CodeIssues\Custom\StaticEventSubscriptionIssue.cs" />
+    <Compile Include="CodeActions\CS1105ExtensionMethodMustBeDeclaredStaticAction.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>