ExportedTypes, TypeReference and MemberReferences: Use UnknownType/FakeMember for pretty-printing of signatures in TreeView.

ILSpy/TreeNodes/AssemblyReferenceReferencedTypesTreeNode.cs

@@ -20,6 +20,7 @@ using System;
 
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.TypeSystem;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -28,10 +29,10 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// </summary>
 	public sealed class AssemblyReferenceReferencedTypesTreeNode : ILSpyTreeNode
 	{
-		private readonly PEFile module;
-		private readonly AssemblyReference r;
+		readonly MetadataModule module;
+		readonly AssemblyReference r;
 
-		public AssemblyReferenceReferencedTypesTreeNode(PEFile module, AssemblyReference r)
+		public AssemblyReferenceReferencedTypesTreeNode(MetadataModule module, AssemblyReference r)
 		{
 			this.module = module ?? throw new ArgumentNullException(nameof(module));
 			this.r = r ?? throw new ArgumentNullException(nameof(r));

ILSpy/TreeNodes/AssemblyReferenceTreeNode.cs

@@ -21,6 +21,7 @@ using System.Windows.Threading;
 
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.TypeSystem;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -29,11 +30,11 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// </summary>
 	public sealed class AssemblyReferenceTreeNode : ILSpyTreeNode
 	{
-		readonly PEFile module;
+		readonly MetadataModule module;
 		readonly AssemblyReference r;
 		readonly AssemblyTreeNode parentAssembly;
 
-		public AssemblyReferenceTreeNode(PEFile module, AssemblyReference r, AssemblyTreeNode parentAssembly)
+		public AssemblyReferenceTreeNode(MetadataModule module, AssemblyReference r, AssemblyTreeNode parentAssembly)
 		{
 			this.module = module ?? throw new ArgumentNullException(nameof(module));
 			this.r = r ?? throw new ArgumentNullException(nameof(r));
@@ -83,8 +84,9 @@ namespace ICSharpCode.ILSpy.TreeNodes
 			var referencedModule = resolver.Resolve(r);
 			if (referencedModule != null)
 			{
+				var module = (MetadataModule)referencedModule.GetTypeSystemWithCurrentOptionsOrNull().MainModule;
 				foreach (var childRef in referencedModule.AssemblyReferences)
-					this.Children.Add(new AssemblyReferenceTreeNode(referencedModule, childRef, parentAssembly));
+					this.Children.Add(new AssemblyReferenceTreeNode(module, childRef, parentAssembly));
 			}
 		}
 

ILSpy/TreeNodes/ExportedTypeTreeNode.cs

@@ -29,19 +29,21 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// </summary>
 	public sealed class ExportedTypeTreeNode : ILSpyTreeNode
 	{
-		readonly PEFile module;
-		private readonly ExportedTypeMetadata r;
+		readonly MetadataModule module;
+		readonly ExportedTypeMetadata r;
+		readonly IType resolvedType;
 
-		public ExportedTypeTreeNode(PEFile module, ExportedTypeMetadata r)
+		public ExportedTypeTreeNode(MetadataModule module, ExportedTypeMetadata r)
 		{
 			this.module = module ?? throw new ArgumentNullException(nameof(module));
 			this.r = r ?? throw new ArgumentNullException(nameof(r));
+			this.resolvedType = module.ResolveType(r.Handle, default);
 
 			this.LazyLoading = true;
 		}
 
 		public override object Text
-			=> Language.GetEntityName(module, r.Handle, fullName: true, omitGenerics: false) + GetSuffixString(r.Handle);
+			=> Language.TypeToString(resolvedType, includeNamespace: true) + GetSuffixString(r.Handle);
 
 		public override object Icon => Images.Library;
 
@@ -55,7 +57,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override void Decompile(Language language, ITextOutput output, DecompilationOptions options)
 		{
-			language.WriteCommentLine(output, $"{Language.GetEntityName(module, r.Handle, fullName: true, omitGenerics: false)} (Exported, IsForwarder: {r.IsForwarder}, Attributes: {r.Attributes})");
+			language.WriteCommentLine(output, $"{Language.TypeToString(resolvedType, includeNamespace: true)} (Exported, IsForwarder: {r.IsForwarder}, Attributes: {(int)r.Attributes:X8})");
 		}
 	}
 }

ILSpy/TreeNodes/MemberReferenceTreeNode.cs

@@ -23,6 +23,7 @@ using System.Reflection.Metadata;
 
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.TypeSystem;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -31,16 +32,22 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// </summary>
 	public sealed class MemberReferenceTreeNode : ILSpyTreeNode
 	{
-		readonly PEFile module;
-		private readonly MemberReferenceMetadata r;
+		readonly MetadataModule module;
+		readonly MemberReferenceMetadata r;
+		readonly IMember resolvedMember;
 
-		public MemberReferenceTreeNode(PEFile module, MemberReferenceMetadata r)
+		public MemberReferenceTreeNode(MetadataModule module, MemberReferenceMetadata r)
 		{
 			this.module = module ?? throw new ArgumentNullException(nameof(module));
 			this.r = r;
+			this.resolvedMember = r.MemberReferenceKind switch {
+				MemberReferenceKind.Method => module.ResolveMethod(r.Handle, default),
+				MemberReferenceKind.Field => (IMember)module.ResolveEntity(r.Handle),
+				_ => throw new NotSupportedException(),
+			};
 		}
 
-		public override object Text => r.Name + GetSuffixString(r.Handle);
+		public override object Text => Signature + GetSuffixString(r.Handle);
 
 		public override object Icon => r.MemberReferenceKind switch {
 			MemberReferenceKind.Method => Images.Method,
@@ -48,13 +55,13 @@ namespace ICSharpCode.ILSpy.TreeNodes
 			_ => Images.Class,
 		};
 
-		public string Signature => Language.GetEntityName(module, r.Handle, fullName: true, omitGenerics: false);
+		public string Signature => resolvedMember is IMethod m ? Language.MethodToString(m, false, false, false) : Language.FieldToString((IField)resolvedMember, false, false, false);
 
 		public override void Decompile(Language language, ITextOutput output, DecompilationOptions options)
 		{
 			language.WriteCommentLine(output, Signature);
 		}
 
-		public override object ToolTip => Signature;
+		public override object ToolTip => Language.GetRichTextTooltip(resolvedMember);
 	}
 }

ILSpy/TreeNodes/ReferenceFolderTreeNode.cs

@@ -22,6 +22,7 @@ using System.Windows.Threading;
 
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.TypeSystem;
 using ICSharpCode.ILSpy.Properties;
 
 namespace ICSharpCode.ILSpy.TreeNodes
@@ -48,8 +49,9 @@ namespace ICSharpCode.ILSpy.TreeNodes
 		protected override void LoadChildren()
 		{
 			var metadata = module.Metadata;
+			var metadataModule = (MetadataModule)module.GetTypeSystemWithCurrentOptionsOrNull().MainModule;
 			foreach (var r in module.AssemblyReferences.OrderBy(r => r.Name))
-				this.Children.Add(new AssemblyReferenceTreeNode(module, r, parentAssembly));
+				this.Children.Add(new AssemblyReferenceTreeNode(metadataModule, r, parentAssembly));
 			foreach (var r in metadata.GetModuleReferences().OrderBy(r => metadata.GetString(metadata.GetModuleReference(r).Name)))
 				this.Children.Add(new ModuleReferenceTreeNode(parentAssembly, r, module));
 		}

ILSpy/TreeNodes/TypeReferenceTreeNode.cs

@@ -20,6 +20,7 @@ using System;
 
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.TypeSystem;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -28,19 +29,21 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// </summary>
 	public sealed class TypeReferenceTreeNode : ILSpyTreeNode
 	{
-		readonly PEFile module;
-		private readonly TypeReferenceMetadata r;
+		readonly MetadataModule module;
+		readonly TypeReferenceMetadata r;
+		readonly IType resolvedType;
 
-		public TypeReferenceTreeNode(PEFile module, TypeReferenceMetadata r)
+		public TypeReferenceTreeNode(MetadataModule module, TypeReferenceMetadata r)
 		{
 			this.module = module ?? throw new ArgumentNullException(nameof(module));
 			this.r = r ?? throw new ArgumentNullException(nameof(r));
+			this.resolvedType = module.ResolveType(r.Handle, default);
 
 			this.LazyLoading = true;
 		}
 
 		public override object Text
-			=> Language.GetEntityName(module, r.Handle, fullName: true, omitGenerics: false) + GetSuffixString(r.Handle);
+			=> Language.TypeToString(resolvedType, includeNamespace: false) + GetSuffixString(r.Handle);
 
 		public override object Icon => Images.Class;
 
@@ -57,7 +60,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override void Decompile(Language language, ITextOutput output, DecompilationOptions options)
 		{
-			language.WriteCommentLine(output, $"{Language.GetEntityName(module, r.Handle, fullName: true, omitGenerics: false)}");
+			language.WriteCommentLine(output, Language.TypeToString(resolvedType, includeNamespace: true));
 			EnsureLazyChildren();
 			foreach (ILSpyTreeNode child in Children)
 			{