/ILSpy/TreeNodes/Analyzer/AnalyzedMethodOverridesTreeNode.cs
http://github.com/icsharpcode/ILSpy · C# · 87 lines · 56 code · 10 blank · 21 comment · 6 complexity · d48fe3e33107d975df938e0649488bae MD5 · raw file
- // Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
- //
- // 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;
- using System.Collections.Generic;
- using System.Linq;
- using System.Threading;
- using ICSharpCode.Decompiler;
- using ICSharpCode.Decompiler.Ast;
- using Mono.Cecil;
- namespace ICSharpCode.ILSpy.TreeNodes.Analyzer
- {
- /// <summary>
- /// Searches for overrides of the analyzed method.
- /// </summary>
- internal sealed class AnalyzedMethodOverridesTreeNode : AnalyzerSearchTreeNode
- {
- private readonly MethodDefinition analyzedMethod;
- public AnalyzedMethodOverridesTreeNode(MethodDefinition analyzedMethod)
- {
- if (analyzedMethod == null)
- throw new ArgumentNullException("analyzedMethod");
- this.analyzedMethod = analyzedMethod;
- }
- public override object Text
- {
- get { return "Overridden By"; }
- }
- protected override IEnumerable<AnalyzerTreeNode> FetchChildren(CancellationToken ct)
- {
- var analyzer = new ScopedWhereUsedAnalyzer<AnalyzerTreeNode>(analyzedMethod, FindReferencesInType);
- return analyzer.PerformAnalysis(ct).OrderBy(n => n.Text);
- }
- private IEnumerable<AnalyzerTreeNode> FindReferencesInType(TypeDefinition type)
- {
- AnalyzerTreeNode newNode = null;
- try {
- if (!TypesHierarchyHelpers.IsBaseType(analyzedMethod.DeclaringType, type, resolveTypeArguments: false))
- yield break;
- foreach (MethodDefinition method in type.Methods) {
- if (TypesHierarchyHelpers.IsBaseMethod(analyzedMethod, method)) {
- bool hidesParent = !method.IsVirtual ^ method.IsNewSlot;
- newNode = new AnalyzedMethodTreeNode(method, hidesParent ? "(hides) " : "");
- }
- }
- }
- catch (ReferenceResolvingException) {
- // ignore this type definition. maybe add a notification about such cases.
- }
- if (newNode != null) {
- newNode.Language = this.Language;
- yield return newNode;
- }
- }
- public static bool CanShow(MethodDefinition method)
- {
- return method.IsVirtual &&
- !method.IsFinal &&
- !method.DeclaringType.IsSealed &&
- !method.DeclaringType.IsInterface; // interface methods are definitions not implementations - cannot be overridden
- }
- }
- }