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// RedundantArrayInitializerCommaIssue.cs
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// Mansheng Yang <lightyang0@gmail.com>
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// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.com>
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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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namespace ICSharpCode.NRefactory.CSharp.Refactoring
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[IssueDescription ("Redundant comma in array initializer",
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Description = "Redundant comma in array initializer.",
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Category = IssueCategories.Redundancies,
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Severity = Severity.Suggestion,
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IssueMarker = IssueMarker.GrayOut)]
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public class RedundantArrayInitializerCommaIssue : ICodeIssueProvider
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public IEnumerable<CodeIssue> GetIssues (BaseRefactoringContext context)
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return new GatherVisitor (context).GetIssues ();
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class GatherVisitor : GatherVisitorBase<RedundantArrayInitializerCommaIssue>
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public GatherVisitor (BaseRefactoringContext ctx)
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public override void VisitArrayInitializerExpression (ArrayInitializerExpression arrayInitializerExpression)
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base.VisitArrayInitializerExpression (arrayInitializerExpression);
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if (arrayInitializerExpression.IsSingleElement)
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var commaToken = arrayInitializerExpression.RBraceToken.PrevSibling as CSharpTokenNode;
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if (commaToken == null || commaToken.GetText () != ",")
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string initializerType;
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if (arrayInitializerExpression.Parent is ObjectCreateExpression) {
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if (arrayInitializerExpression.Elements.FirstOrNullObject () is NamedExpression) {
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initializerType = "object";
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initializerType = "collection";
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initializerType = "array";
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ctx.TranslateString (string.Format("Remove redundant comma in {0} initializer", initializerType)),
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script => script.Remove (commaToken));