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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/StaticMethodInvocationToExtensionMethodInvocationAction.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/StaticMethodInvocationToExtensionMethodInvocationAction.cs
 
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//
 
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// StaticMethodInvocationToExtensionMethodInvocationAction.cs
 
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//
 
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// Author:
 
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//       Simon Lindgren <simon.n.lindgren@gmail.com>
 
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//
 
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// Copyright (c) 2012 Simon Lindgren
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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//
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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//
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using ICSharpCode.NRefactory.CSharp.Resolver;
 
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using System.Linq;
 
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using System.Collections.Generic;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
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{
 
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        [ContextAction("Invoke using extension method syntax",
 
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                       Description = "Converts the call into extension method call syntax.")]
 
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        public class StaticMethodInvocationToExtensionMethodInvocationAction : ICodeActionProvider
 
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        {
 
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                #region ICodeActionProvider implementation
 
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                public IEnumerable<CodeAction> GetActions (RefactoringContext context)
 
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                {
 
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                        var invocation = context.GetNode<InvocationExpression>();
 
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                        if (invocation == null)
 
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                                yield break;
 
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                        var memberReference = invocation.Target as MemberReferenceExpression;
 
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                        if (memberReference == null)
 
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                                yield break;
 
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                        var firstArgument = invocation.Arguments.FirstOrDefault();
 
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                        if (firstArgument is NullReferenceExpression)
 
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                                yield break;
 
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                        var invocationRR = context.Resolve(invocation) as CSharpInvocationResolveResult;
 
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                        if (invocationRR == null)
 
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                                yield break;
 
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                        var method = invocationRR.Member as IMethod;
 
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                        if (method == null || !method.IsExtensionMethod || invocationRR.IsExtensionMethodInvocation)
 
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                                yield break;
 
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                        yield return new CodeAction(context.TranslateString("Convert to extension method call"), script => {
 
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                                var newArgumentList = invocation.Arguments.Skip(1).Select(arg => arg.Clone()).ToList();
 
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                                var newTarget = memberReference.Clone() as MemberReferenceExpression;
 
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                                newTarget.Target = firstArgument.Clone();
 
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                                script.Replace(invocation, new InvocationExpression(newTarget, newArgumentList));
 
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                        }, invocation);
 
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                }
 
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                #endregion
 
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        }
 
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}
 
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