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// RedundantPrivateInspector.cs
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// Mike Krüger <mkrueger@xamarin.com>
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// Copyright (c) 2012 Xamarin <http://xamarin.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 ICSharpCode.NRefactory.PatternMatching;
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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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/// Finds redundant internal modifiers.
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[IssueDescription("Remove redundant 'private' modifier",
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Description = "Removes 'private' modifiers that are not required.",
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Category = IssueCategories.Redundancies,
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Severity = Severity.Hint,
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IssueMarker = IssueMarker.GrayOut)]
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public class RedundantPrivateIssue : ICodeIssueProvider
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public IEnumerable<CodeIssue> GetIssues(BaseRefactoringContext context)
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return new GatherVisitor(context, this).GetIssues();
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class GatherVisitor : GatherVisitorBase<RedundantPrivateIssue>
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public GatherVisitor (BaseRefactoringContext ctx, RedundantPrivateIssue issueProvider) : base (ctx, issueProvider)
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void CheckNode(EntityDeclaration node)
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foreach (var token_ in node.ModifierTokens) {
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if (token.Modifier == Modifiers.Private) {
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AddIssue(token, ctx.TranslateString("Remove redundant 'private' modifier"), script => {
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int offset = script.GetCurrentOffset(token.StartLocation);
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int endOffset = script.GetCurrentOffset(token.GetNextNode().StartLocation);
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script.RemoveText(offset, endOffset - offset);
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public override void VisitMethodDeclaration(MethodDeclaration methodDeclaration)
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base.VisitMethodDeclaration(methodDeclaration);
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CheckNode(methodDeclaration);
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public override void VisitFieldDeclaration(FieldDeclaration fieldDeclaration)
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base.VisitFieldDeclaration(fieldDeclaration);
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CheckNode(fieldDeclaration);
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public override void VisitPropertyDeclaration(PropertyDeclaration propertyDeclaration)
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base.VisitPropertyDeclaration(propertyDeclaration);
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CheckNode(propertyDeclaration);
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public override void VisitIndexerDeclaration(IndexerDeclaration indexerDeclaration)
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base.VisitIndexerDeclaration(indexerDeclaration);
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CheckNode(indexerDeclaration);
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public override void VisitEventDeclaration(EventDeclaration eventDeclaration)
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base.VisitEventDeclaration(eventDeclaration);
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CheckNode(eventDeclaration);
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public override void VisitCustomEventDeclaration(CustomEventDeclaration eventDeclaration)
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base.VisitCustomEventDeclaration(eventDeclaration);
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CheckNode(eventDeclaration);
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public override void VisitConstructorDeclaration(ConstructorDeclaration constructorDeclaration)
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base.VisitConstructorDeclaration(constructorDeclaration);
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CheckNode(constructorDeclaration);
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public override void VisitOperatorDeclaration(OperatorDeclaration operatorDeclaration)
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base.VisitOperatorDeclaration(operatorDeclaration);
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CheckNode(operatorDeclaration);
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public override void VisitFixedFieldDeclaration(FixedFieldDeclaration fixedFieldDeclaration)
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base.VisitFixedFieldDeclaration(fixedFieldDeclaration);
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CheckNode(fixedFieldDeclaration);
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public override void VisitTypeDeclaration(TypeDeclaration typeDeclaration)
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if (!(typeDeclaration.Parent is TypeDeclaration)) {
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CheckNode(typeDeclaration);
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base.VisitTypeDeclaration(typeDeclaration);
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