[CodeIssue] Added RedundantAttributeParenthesesIssue

ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj

@@ -299,6 +299,7 @@
     <Compile Include="Refactoring\CodeIssues\IdenticalConditionalBranchIssue.cs" />
     <Compile Include="Refactoring\CodeIssues\MultipleEnumerationIssue.cs" />
     <Compile Include="Refactoring\CodeIssues\RedundantAssignmentIssue.cs" />
+    <Compile Include="Refactoring\CodeIssues\RedundantAttributeParenthesesIssue.cs" />
     <Compile Include="Refactoring\CodeIssues\RedundantElseIssue.cs" />
     <Compile Include="Refactoring\CodeIssues\RedundantFieldInitializerIssue.cs" />
     <Compile Include="Refactoring\CodeIssues\RedundantTypeCastIssue.cs" />

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/RedundantAttributeParenthesesIssue.cs

@@ -0,0 +1,64 @@
+// 
+// RedundantAttributeParenthesesIssue.cs
+// 
+// Author:
+//      Mansheng Yang <lightyang0@gmail.com>
+// 
+// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.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.Collections.Generic;
+
+namespace ICSharpCode.NRefactory.CSharp.Refactoring
+{
+	[IssueDescription ("Parentheses are redundant if attribute has no arguments",
+						Description = "Parentheses are redundant if attribute has no arguments.",
+						Category = IssueCategories.Redundancies,
+						Severity = Severity.Suggestion,
+						IssueMarker = IssueMarker.GrayOut)]
+	public class RedundantAttributeParenthesesIssue : ICodeIssueProvider
+	{
+		public IEnumerable<CodeIssue> GetIssues (BaseRefactoringContext context)
+		{
+			return new GatherVisitor (context).GetIssues ();
+		}
+
+		class GatherVisitor : GatherVisitorBase
+		{
+			public GatherVisitor (BaseRefactoringContext ctx)
+				: base (ctx)
+			{
+			}
+
+			public override void VisitAttribute (Attribute attribute)
+			{
+				base.VisitAttribute (attribute);
+
+				if (attribute.Arguments.Count > 0 || !attribute.HasArgumentList)
+					return;
+
+				var start = attribute.Type.EndLocation;
+				var end = attribute.EndLocation;
+				AddIssue (start, end, ctx.TranslateString ("Remove redundant attribute parentheses"), script =>
+					script.Replace (attribute, new Attribute { Type = attribute.Type.Clone () }));
+			}
+		}
+	}
+}

ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/RedundantAttributeParenthesesIssueTests.cs

@@ -0,0 +1,47 @@
+// 
+// RedundantAttributeParenthesesIssueTests.cs
+// 
+// Author:
+//      Mansheng Yang <lightyang0@gmail.com>
+// 
+// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.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 ICSharpCode.NRefactory.CSharp.Refactoring;
+using NUnit.Framework;
+
+namespace ICSharpCode.NRefactory.CSharp.CodeIssues
+{
+	[TestFixture]
+	public class RedundantAttributeParenthesesIssueTests : InspectionActionTestBase
+	{
+		[Test]
+		public void Test ()
+		{
+			var input = @"
+[Test ()]
+class TestClass { }";
+			var output = @"
+[Test]
+class TestClass { }";
+			Test<RedundantAttributeParenthesesIssue> (input, 1, output);
+		}
+	}
+}

ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj

@@ -165,6 +165,7 @@
     <Compile Include="CSharp\CodeIssues\ParameterOnlyAssignedIssueTests.cs" />
     <Compile Include="CSharp\CodeIssues\RedundantAssignmentIssueTests.cs" />
     <Compile Include="CSharp\CodeIssues\CompareBooleanWithTrueOrFalseIssueTests.cs" />
+    <Compile Include="CSharp\CodeIssues\RedundantAttributeParenthesesIssueTests.cs" />
     <Compile Include="CSharp\CodeIssues\RedundantElseIssueTests.cs" />
     <Compile Include="CSharp\CodeIssues\RedundantFieldInitializerIssueTests.cs" />
     <Compile Include="CSharp\CodeIssues\RedundantTypeCastIssueTests.cs" />