/ILSpy/TreeNodes/Analyzer/AnalyzedEventOverridesTreeNode.cs
http://github.com/icsharpcode/ILSpy · C# · 73 lines · 47 code · 9 blank · 17 comment · 6 complexity · 81b0abf2d4439f571bb2545ccaa7b30a 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.Ast;
- using Mono.Cecil;
- namespace ICSharpCode.ILSpy.TreeNodes.Analyzer
- {
- internal sealed class AnalyzedEventOverridesTreeNode : AnalyzerSearchTreeNode
- {
- private readonly EventDefinition analyzedEvent;
- public AnalyzedEventOverridesTreeNode(EventDefinition analyzedEvent)
- {
- if (analyzedEvent == null)
- throw new ArgumentNullException("analyzedEvent");
- this.analyzedEvent = analyzedEvent;
- }
- public override object Text
- {
- get { return "Overridden By"; }
- }
- protected override IEnumerable<AnalyzerTreeNode> FetchChildren(CancellationToken ct)
- {
- var analyzer = new ScopedWhereUsedAnalyzer<AnalyzerTreeNode>(analyzedEvent, FindReferencesInType);
- return analyzer.PerformAnalysis(ct).OrderBy(n => n.Text);
- }
- private IEnumerable<AnalyzerTreeNode> FindReferencesInType(TypeDefinition type)
- {
- if (!TypesHierarchyHelpers.IsBaseType(analyzedEvent.DeclaringType, type, resolveTypeArguments: false))
- yield break;
- foreach (EventDefinition eventDef in type.Events) {
- if (TypesHierarchyHelpers.IsBaseEvent(analyzedEvent, eventDef)) {
- MethodDefinition anyAccessor = eventDef.AddMethod ?? eventDef.RemoveMethod;
- bool hidesParent = !anyAccessor.IsVirtual ^ anyAccessor.IsNewSlot;
- var node = new AnalyzedEventTreeNode(eventDef, hidesParent ? "(hides) " : "");
- node.Language = this.Language;
- yield return node;
- }
- }
- }
- public static bool CanShow(EventDefinition property)
- {
- var accessor = property.AddMethod ?? property.RemoveMethod;
- return accessor.IsVirtual && !accessor.IsFinal && !accessor.DeclaringType.IsInterface;
- }
- }
- }