.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

103 lines
4.1 KiB

//
// ThreadStaticOnInstanceFieldIssue.cs
//
// Author:
// Simon Lindgren <simon.n.lindgren@gmail.com>
//
// Copyright (c) 2012 Simon Lindgren
//
// 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;
using ICSharpCode.NRefactory.TypeSystem;
using ICSharpCode.NRefactory.Semantics;
namespace ICSharpCode.NRefactory.CSharp.Refactoring
{
[IssueDescription("The ThreadStatic attribute does nothing on instance fields",
Description = "Finds usages of ThreadStatic on instance fields.",
Category = IssueCategories.Notifications,
Severity = Severity.Warning)]
public class ThreadStaticOnInstanceFieldIssue : ICodeIssueProvider
{
public IEnumerable<CodeIssue> GetIssues(BaseRefactoringContext context)
{
return new GatherVisitor(context).GetIssues();
}
class GatherVisitor : GatherVisitorBase
{
ITypeDefinition threadStaticDefinition;
public GatherVisitor(BaseRefactoringContext context) : base (context)
{
var type = typeof(ThreadStaticAttribute).ToTypeReference().Resolve(ctx.Compilation.TypeResolveContext);
threadStaticDefinition = type.GetDefinition();
}
public override void VisitFieldDeclaration(FieldDeclaration fieldDeclaration)
{
if (fieldDeclaration.Modifiers.HasFlag(Modifiers.Static))
return;
foreach (var attributeSection in fieldDeclaration.Attributes) {
int attributeCount = attributeSection.Attributes.Count;
foreach (var attribute in attributeSection.Attributes) {
var resolvedAttribute = ctx.Resolve(attribute.Type) as TypeResolveResult;
if (resolvedAttribute == null)
continue;
if (threadStaticDefinition.Equals(resolvedAttribute.Type.GetDefinition())) {
string title = ctx.TranslateString("ThreadStatic does nothing on instance fields");
if (attributeCount == 1)
AddIssue(attributeSection, title, GetActions(attribute, attributeSection, fieldDeclaration));
else
AddIssue(attribute, title, GetActions(attribute, attributeSection, fieldDeclaration));
}
}
}
}
IEnumerable<CodeAction> GetActions(Attribute attribute, AttributeSection attributeSection, FieldDeclaration fieldDeclaration)
{
string removeAttributeMessage = ctx.TranslateString("Remove attribute");
yield return new CodeAction(removeAttributeMessage, script => {
if (attributeSection.Attributes.Count > 1) {
var newSection = new AttributeSection();
newSection.AttributeTarget = attributeSection.AttributeTarget;
foreach (var attr in attributeSection.Attributes) {
if (attr != attribute)
newSection.Attributes.Add((Attribute)attr.Clone());
}
script.Replace(attributeSection, newSection);
} else {
script.Remove(attributeSection);
}
});
var makeStaticMessage = ctx.TranslateString("Make the field static");
yield return new CodeAction(makeStaticMessage, script => {
var newDeclaration = (FieldDeclaration)fieldDeclaration.Clone();
newDeclaration.Modifiers |= Modifiers.Static;
script.Replace(fieldDeclaration, newDeclaration);
});
}
}
}
}