Add overrides / interface implementation analyzers

ICSharpCode.Decompiler/TypeSystem/InheritanceHelper.cs

@@ -51,12 +51,11 @@ namespace ICSharpCode.Decompiler.TypeSystem
 				throw new ArgumentNullException("member");
 
 			if (includeImplementedInterfaces) {
-				throw new NotImplementedException();
-				/*if (member.IsExplicitInterfaceImplementation && member.ImplementedInterfaceMembers.Count == 1) {
+				if (member.IsExplicitInterfaceImplementation && member.ExplicitlyImplementedInterfaceMembers.Count() == 1) {
 					// C#-style explicit interface implementation
-					member = member.ImplementedInterfaceMembers[0];
+					member = member.ExplicitlyImplementedInterfaceMembers.First();
 					yield return member;
-				}*/
+				}
 			}
 
 			// Remove generic specialization

ILSpy/Analyzers/Builtin/EventImplementsInterfaceAnalyzer.cs

@@ -0,0 +1,36 @@
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Linq;
+using ICSharpCode.Decompiler.TypeSystem;
+
+namespace ICSharpCode.ILSpy.Analyzers.Builtin
+{
+	/// <summary>
+	/// Shows events that implement an interface event.
+	/// </summary>
+	[Export(typeof(IAnalyzer<IEvent>))]
+	class EventImplementsInterfaceAnalyzer : ITypeDefinitionAnalyzer<IEvent>
+	{
+		public string Text => "Implemented By";
+
+		public IEnumerable<IEntity> Analyze(IEvent analyzedEntity, ITypeDefinition type, AnalyzerContext context)
+		{
+			var token = analyzedEntity.DeclaringTypeDefinition.MetadataToken;
+			var module = analyzedEntity.DeclaringTypeDefinition.ParentAssembly.PEFile;
+			if (!type.GetAllBaseTypeDefinitions()
+				.Any(t => t.MetadataToken == token && t.ParentAssembly.PEFile == module))
+				yield break;
+
+			foreach (var @event in type.GetEvents(options: GetMemberOptions.ReturnMemberDefinitions)) {
+				if (InheritanceHelper.GetBaseMembers(@event, true)
+					.Any(m => m.DeclaringTypeDefinition.MetadataToken == token && m.ParentAssembly.PEFile == module))
+					yield return @event;
+			}
+		}
+
+		public bool Show(IEvent entity)
+		{
+			return entity.DeclaringType.Kind == TypeKind.Interface;
+		}
+	}
+}

ILSpy/Analyzers/Builtin/EventOverriddenByAnalyzer.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Linq;
+using ICSharpCode.Decompiler.TypeSystem;
+
+namespace ICSharpCode.ILSpy.Analyzers.Builtin
+{
+	/// <summary>
+	/// Shows events that override an event.
+	/// </summary>
+	[Export(typeof(IAnalyzer<IEvent>))]
+	class EventOverriddenByAnalyzer : ITypeDefinitionAnalyzer<IEvent>
+	{
+		public string Text => "Overridden By";
+
+		public IEnumerable<IEntity> Analyze(IEvent analyzedEntity, ITypeDefinition type, AnalyzerContext context)
+		{
+			if (!analyzedEntity.DeclaringType.GetAllBaseTypeDefinitions()
+				.Any(t => t.MetadataToken == analyzedEntity.DeclaringTypeDefinition.MetadataToken && t.ParentAssembly.PEFile == type.ParentAssembly.PEFile))
+				yield break;
+
+			foreach (var property in type.Properties) {
+				if (!property.IsOverride) continue;
+				if (InheritanceHelper.GetBaseMembers(property, false)
+					.Any(p => p.MetadataToken == analyzedEntity.MetadataToken &&
+							  p.ParentAssembly.PEFile == analyzedEntity.ParentAssembly.PEFile)) {
+					yield return property;
+				}
+			}
+		}
+
+		public bool Show(IEvent entity)
+		{
+			return entity.IsOverridable && entity.DeclaringType.Kind != TypeKind.Interface;
+		}
+	}
+}

ILSpy/Analyzers/Builtin/MethodImplementsInterfaceAnalyzer.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ICSharpCode.Decompiler.TypeSystem;
+
+namespace ICSharpCode.ILSpy.Analyzers.Builtin
+{
+	/// <summary>
+	/// Shows methods that implement an interface method.
+	/// </summary>
+	[Export(typeof(IAnalyzer<IMethod>))]
+	class MethodImplementsInterfaceAnalyzer : ITypeDefinitionAnalyzer<IMethod>
+	{
+		public string Text => "Implemented By";
+
+		public IEnumerable<IEntity> Analyze(IMethod analyzedEntity, ITypeDefinition type, AnalyzerContext context)
+		{
+			var token = analyzedEntity.DeclaringTypeDefinition.MetadataToken;
+			var module = analyzedEntity.DeclaringTypeDefinition.ParentAssembly.PEFile;
+			if (!type.GetAllBaseTypeDefinitions()
+				.Any(t => t.MetadataToken == token && t.ParentAssembly.PEFile == module))
+				yield break;
+
+			foreach (var method in type.GetMethods(options: GetMemberOptions.ReturnMemberDefinitions)) {
+				if (InheritanceHelper.GetBaseMembers(method, true)
+					.Any(m => m.DeclaringTypeDefinition.MetadataToken == token && m.ParentAssembly.PEFile == module))
+					yield return method;
+			}
+		}
+
+		public bool Show(IMethod entity)
+		{
+			return entity.DeclaringType.Kind == TypeKind.Interface;
+		}
+	}
+}

ILSpy/Analyzers/Builtin/MethodOverriddenByAnalyzer.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Linq;
+using ICSharpCode.Decompiler.TypeSystem;
+
+namespace ICSharpCode.ILSpy.Analyzers.Builtin
+{
+	/// <summary>
+	/// Shows methods that override a method.
+	/// </summary>
+	[Export(typeof(IAnalyzer<IMethod>))]
+	class MethodOverriddenByAnalyzer : ITypeDefinitionAnalyzer<IMethod>
+	{
+		public string Text => "Overridden By";
+
+		public IEnumerable<IEntity> Analyze(IMethod analyzedEntity, ITypeDefinition type, AnalyzerContext context)
+		{
+			if (!analyzedEntity.DeclaringType.GetAllBaseTypeDefinitions()
+				.Any(t => t.MetadataToken == analyzedEntity.DeclaringTypeDefinition.MetadataToken && t.ParentAssembly.PEFile == type.ParentAssembly.PEFile))
+				yield break;
+
+			foreach (var property in type.Properties) {
+				if (!property.IsOverride) continue;
+				if (InheritanceHelper.GetBaseMembers(property, false)
+					.Any(p => p.MetadataToken == analyzedEntity.MetadataToken &&
+							  p.ParentAssembly.PEFile == analyzedEntity.ParentAssembly.PEFile)) {
+					yield return property;
+				}
+			}
+		}
+
+		public bool Show(IMethod entity)
+		{
+			return entity.IsOverridable && entity.DeclaringType.Kind != TypeKind.Interface;
+		}
+	}
+}

ILSpy/Analyzers/Builtin/PropertyImplementsInterfaceAnalyzer.cs

@@ -0,0 +1,36 @@
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Linq;
+using ICSharpCode.Decompiler.TypeSystem;
+
+namespace ICSharpCode.ILSpy.Analyzers.Builtin
+{
+	/// <summary>
+	/// Shows properties that implement an interface property.
+	/// </summary>
+	[Export(typeof(IAnalyzer<IProperty>))]
+	class PropertyImplementsInterfaceAnalyzer : ITypeDefinitionAnalyzer<IProperty>
+	{
+		public string Text => "Implemented By";
+
+		public IEnumerable<IEntity> Analyze(IProperty analyzedEntity, ITypeDefinition type, AnalyzerContext context)
+		{
+			var token = analyzedEntity.DeclaringTypeDefinition.MetadataToken;
+			var module = analyzedEntity.DeclaringTypeDefinition.ParentAssembly.PEFile;
+			if (!type.GetAllBaseTypeDefinitions()
+				.Any(t => t.MetadataToken == token && t.ParentAssembly.PEFile == module))
+				yield break;
+
+			foreach (var property in type.GetProperties(options: GetMemberOptions.ReturnMemberDefinitions)) {
+				if (InheritanceHelper.GetBaseMembers(property, true)
+					.Any(m => m.DeclaringTypeDefinition.MetadataToken == token && m.ParentAssembly.PEFile == module))
+					yield return property;
+			}
+		}
+
+		public bool Show(IProperty entity)
+		{
+			return entity.DeclaringType.Kind == TypeKind.Interface;
+		}
+	}
+}

ILSpy/Analyzers/Builtin/PropertyOverriddenByAnalyzer.cs

@@ -26,7 +26,7 @@ namespace ICSharpCode.ILSpy.Analyzers.Builtin
 				if (!property.IsOverride) continue;
 				if (InheritanceHelper.GetBaseMembers(property, false)
 					.Any(p => p.MetadataToken == analyzedEntity.MetadataToken &&
-					          p.ParentAssembly.PEFile == analyzedEntity.ParentAssembly.PEFile)) {
+							  p.ParentAssembly.PEFile == analyzedEntity.ParentAssembly.PEFile)) {
 					yield return property;
 				}
 			}

ILSpy/ILSpy.csproj

@@ -66,6 +66,9 @@
 
   <ItemGroup>
     <Compile Include="AboutPage.cs" />
+    <Compile Include="Analyzers\Builtin\EventOverriddenByAnalyzer.cs" />
+    <Compile Include="Analyzers\Builtin\MethodImplementsInterfaceAnalyzer.cs" />
+    <Compile Include="Analyzers\Builtin\MethodOverriddenByAnalyzer.cs" />
     <Compile Include="Analyzers\Builtin\MethodUsedByAnalyzer.cs" />
     <Compile Include="Analyzers\Builtin\MethodUsesAnalyzer.cs" />
     <Compile Include="Analyzers\Builtin\PropertyOverriddenByAnalyzer.cs" />