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56 lines
2.1 KiB
56 lines
2.1 KiB
// |
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// UseVarKeyword.cs |
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// |
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// Author: |
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// Mike Krüger <mkrueger@novell.com> |
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// |
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// Copyright (c) 2011 Mike Krüger <mkrueger@novell.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 System; |
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using System.Linq; |
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using ICSharpCode.NRefactory.PatternMatching; |
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namespace ICSharpCode.NRefactory.CSharp.Refactoring |
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{ |
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public class UseVarKeyword: IContextAction |
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{ |
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public bool IsValid (RefactoringContext context) |
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{ |
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return GetVariableDeclarationStatement (context) != null; |
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} |
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public void Run (RefactoringContext context) |
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{ |
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var varDecl = GetVariableDeclarationStatement (context); |
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using (var script = context.StartScript ()) { |
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script.Replace (varDecl.Type, new SimpleType ("var")); |
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} |
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} |
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static VariableDeclarationStatement GetVariableDeclarationStatement (RefactoringContext context) |
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{ |
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var result = context.GetNode<VariableDeclarationStatement> (); |
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if (result != null && result.Variables.Count == 1 && !result.Variables.First ().Initializer.IsNull && result.Type.Contains (context.Location.Line, context.Location.Column) && !result.Type.IsMatch (new SimpleType ("var"))) |
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return result; |
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return null; |
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} |
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} |
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} |
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