.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
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//
// VariableNotUsedIssue.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;
using System.Linq;
using ICSharpCode.NRefactory.CSharp.Resolver;
using ICSharpCode.NRefactory.TypeSystem;
namespace ICSharpCode.NRefactory.CSharp.Refactoring
{
public abstract class VariableNotUsedIssue : ICodeIssueProvider
{
static FindReferences refFinder = new FindReferences ();
public IEnumerable<CodeIssue> GetIssues (BaseRefactoringContext context)
{
var unit = context.RootNode as SyntaxTree;
if (unit == null)
return Enumerable.Empty<CodeIssue> ();
return GetGatherVisitor(context, unit).GetIssues ();
}
protected static bool FindUsage (BaseRefactoringContext context, SyntaxTree unit, IVariable variable,
AstNode declaration)
{
var found = false;
refFinder.FindLocalReferences (variable, context.UnresolvedFile, unit, context.Compilation,
(node, resolveResult) =>
{
found = found || node != declaration;
}, context.CancellationToken);
return found;
}
internal abstract GatherVisitorBase GetGatherVisitor (BaseRefactoringContext context, SyntaxTree unit);
}
}