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71 lines
2.5 KiB
71 lines
2.5 KiB
// |
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// ParameterNotUsedIssue.cs |
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// |
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// Author: |
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// Mansheng Yang <lightyang0@gmail.com> |
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// |
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// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.com> |
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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.Semantics; |
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namespace ICSharpCode.NRefactory.CSharp.Refactoring |
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{ |
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[IssueDescription ("Unused parameter", |
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Description = "Parameter is never used.", |
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Category = IssueCategories.Redundancies, |
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Severity = Severity.Warning, |
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IssueMarker = IssueMarker.GrayOut)] |
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public class ParameterNotUsedIssue : VariableNotUsedIssue |
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{ |
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internal override GatherVisitorBase GetGatherVisitor (BaseRefactoringContext context, SyntaxTree unit) |
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{ |
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return new GatherVisitor (context, unit); |
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} |
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class GatherVisitor : GatherVisitorBase |
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{ |
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SyntaxTree unit; |
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public GatherVisitor (BaseRefactoringContext ctx, SyntaxTree unit) |
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: base (ctx) |
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{ |
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this.unit = unit; |
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} |
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public override void VisitParameterDeclaration (ParameterDeclaration parameterDeclaration) |
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{ |
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base.VisitParameterDeclaration (parameterDeclaration); |
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if (!(parameterDeclaration.Parent is MethodDeclaration)) |
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return; |
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var resolveResult = ctx.Resolve (parameterDeclaration) as LocalResolveResult; |
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if (resolveResult == null) |
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return; |
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if (FindUsage (ctx, unit, resolveResult.Variable, parameterDeclaration)) |
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return; |
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AddIssue (parameterDeclaration.NameToken, ctx.TranslateString ("Parameter is never used")); |
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} |
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} |
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} |
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}
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