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// ExtensionMethodInvocationToStaticMethodInvocationAction.cs
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// Simon Lindgren <simon.n.lindgren@gmail.com>
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// Copyright (c) 2012 Simon Lindgren
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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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// 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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// 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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using System.Collections.Generic;
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using ICSharpCode.NRefactory.CSharp.Resolver;
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namespace ICSharpCode.NRefactory.CSharp.Refactoring
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[ContextAction("Invoke using static method syntax",
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Description = "Converts the call into static method call syntax.")]
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public class ExtensionMethodInvocationToStaticMethodInvocationAction : ICodeActionProvider
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#region ICodeActionProvider implementation
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public IEnumerable<CodeAction> GetActions (RefactoringContext context)
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var invocation = context.GetNode<InvocationExpression>();
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if (invocation == null)
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var memberReference = invocation.Target as MemberReferenceExpression;
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if (memberReference == null)
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var invocationRR = context.Resolve(invocation) as CSharpInvocationResolveResult;
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if (invocationRR == null)
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if (invocationRR.IsExtensionMethodInvocation)
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yield return new CodeAction(context.TranslateString("Convert to call to static method"), script => {
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script.Replace(invocation, ToStaticMethodInvocation(invocation, memberReference, invocationRR));
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AstNode ToStaticMethodInvocation(InvocationExpression invocation, MemberReferenceExpression memberReference,
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CSharpInvocationResolveResult invocationRR)
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var newArgumentList = invocation.Arguments.Select(arg => arg.Clone()).ToList();
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newArgumentList.Insert(0, memberReference.Target.Clone());
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var newTarget = memberReference.Clone() as MemberReferenceExpression;
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newTarget.Target = new IdentifierExpression(invocationRR.Member.DeclaringType.Name);
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return new InvocationExpression(newTarget, newArgumentList);