.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
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// 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.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Reflection.Metadata;
using System.Reflection.PortableExecutable;
using System.Windows;
using System.Windows.Controls;
using ICSharpCode.AvalonEdit.Highlighting;
using ICSharpCode.Decompiler;
using ICSharpCode.Decompiler.CSharp;
using ICSharpCode.Decompiler.CSharp.OutputVisitor;
using ICSharpCode.Decompiler.CSharp.ProjectDecompiler;
using ICSharpCode.Decompiler.CSharp.Syntax;
using ICSharpCode.Decompiler.CSharp.Transforms;
using ICSharpCode.Decompiler.Metadata;
using ICSharpCode.Decompiler.Output;
using ICSharpCode.Decompiler.Solution;
using ICSharpCode.Decompiler.TypeSystem;
using ICSharpCode.Decompiler.Util;
using ICSharpCode.ILSpy.TextView;
using ICSharpCode.ILSpy.TreeNodes;
using ICSharpCode.ILSpyX;
using LanguageVersion = ICSharpCode.ILSpyX.LanguageVersion;
namespace ICSharpCode.ILSpy
{
/// <summary>
/// C# decompiler integration into ILSpy.
/// Note: if you're interested in using the decompiler without the ILSpy UI,
/// please directly use the CSharpDecompiler class.
/// </summary>
[Export(typeof(Language))]
public class CSharpLanguage : Language
{
string name = "C#";
bool showAllMembers = false;
int transformCount = int.MaxValue;
#if DEBUG
internal static IEnumerable<CSharpLanguage> GetDebugLanguages()
{
string lastTransformName = "no transforms";
int transformCount = 0;
foreach (var transform in CSharpDecompiler.GetAstTransforms())
{
yield return new CSharpLanguage {
transformCount = transformCount,
name = "C# - " + lastTransformName,
showAllMembers = true
};
lastTransformName = "after " + transform.GetType().Name;
transformCount++;
}
yield return new CSharpLanguage {
name = "C# - " + lastTransformName,
showAllMembers = true
};
}
#endif
public override string Name {
get { return name; }
}
public override string FileExtension {
get { return ".cs"; }
}
public override string ProjectFileExtension {
get { return ".csproj"; }
}
IReadOnlyList<LanguageVersion> versions;
public override IReadOnlyList<LanguageVersion> LanguageVersions {
get {
if (versions == null)
{
versions = new List<LanguageVersion>() {
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp1.ToString(), "C# 1.0 / VS .NET"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp2.ToString(), "C# 2.0 / VS 2005"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp3.ToString(), "C# 3.0 / VS 2008"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp4.ToString(), "C# 4.0 / VS 2010"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp5.ToString(), "C# 5.0 / VS 2012"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp6.ToString(), "C# 6.0 / VS 2015"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp7.ToString(), "C# 7.0 / VS 2017"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp7_1.ToString(), "C# 7.1 / VS 2017.3"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp7_2.ToString(), "C# 7.2 / VS 2017.4"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp7_3.ToString(), "C# 7.3 / VS 2017.7"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp8_0.ToString(), "C# 8.0 / VS 2019"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp9_0.ToString(), "C# 9.0 / VS 2019.8"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp10_0.ToString(), "C# 10.0 / VS 2022"),
new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp11_0.ToString(), "C# 11.0 / VS 2022.4"),
};
}
return versions;
}
}
CSharpDecompiler CreateDecompiler(MetadataFile module, DecompilationOptions options)
{
CSharpDecompiler decompiler = new CSharpDecompiler(module, module.GetAssemblyResolver(options.DecompilerSettings.AutoLoadAssemblyReferences), options.DecompilerSettings);
decompiler.CancellationToken = options.CancellationToken;
decompiler.DebugInfoProvider = module.GetDebugInfoOrNull();
while (decompiler.AstTransforms.Count > transformCount)
decompiler.AstTransforms.RemoveAt(decompiler.AstTransforms.Count - 1);
if (options.EscapeInvalidIdentifiers)
{
decompiler.AstTransforms.Add(new EscapeInvalidIdentifiers());
}
return decompiler;
}
void WriteCode(ITextOutput output, DecompilerSettings settings, SyntaxTree syntaxTree, IDecompilerTypeSystem typeSystem)
{
syntaxTree.AcceptVisitor(new InsertParenthesesVisitor { InsertParenthesesForReadability = true });
output.IndentationString = settings.CSharpFormattingOptions.IndentationString;
TokenWriter tokenWriter = new TextTokenWriter(output, settings, typeSystem);
if (output is ISmartTextOutput highlightingOutput)
{
tokenWriter = new CSharpHighlightingTokenWriter(tokenWriter, highlightingOutput);
}
syntaxTree.AcceptVisitor(new CSharpOutputVisitor(tokenWriter, settings.CSharpFormattingOptions));
}
public override void DecompileMethod(IMethod method, ITextOutput output, DecompilationOptions options)
{
MetadataFile assembly = method.ParentModule.MetadataFile;
CSharpDecompiler decompiler = CreateDecompiler(assembly, options);
AddReferenceAssemblyWarningMessage(assembly, output);
AddReferenceWarningMessage(assembly, output);
WriteCommentLine(output, assembly.FullName);
WriteCommentLine(output, TypeToString(method.DeclaringType, includeNamespace: true));
var methodDefinition = decompiler.TypeSystem.MainModule.ResolveEntity(method.MetadataToken) as IMethod;
if (methodDefinition.IsConstructor && methodDefinition.DeclaringType.IsReferenceType != false)
{
var members = CollectFieldsAndCtors(methodDefinition.DeclaringTypeDefinition, methodDefinition.IsStatic);
decompiler.AstTransforms.Add(new SelectCtorTransform(methodDefinition));
WriteCode(output, options.DecompilerSettings, decompiler.Decompile(members), decompiler.TypeSystem);
}
else
{
WriteCode(output, options.DecompilerSettings, decompiler.Decompile(method.MetadataToken), decompiler.TypeSystem);
}
}
class SelectCtorTransform : IAstTransform
{
readonly IMethod ctor;
readonly HashSet<ISymbol> removedSymbols = new HashSet<ISymbol>();
public SelectCtorTransform(IMethod ctor)
{
this.ctor = ctor;
}
public void Run(AstNode rootNode, TransformContext context)
{
ConstructorDeclaration ctorDecl = null;
foreach (var node in rootNode.Children)
{
switch (node)
{
case ConstructorDeclaration ctor:
if (ctor.GetSymbol() == this.ctor)
{
ctorDecl = ctor;
}
else
{
// remove other ctors
ctor.Remove();
removedSymbols.Add(ctor.GetSymbol());
}
break;
case FieldDeclaration fd:
// Remove any fields without initializers
if (fd.Variables.All(v => v.Initializer.IsNull))
{
fd.Remove();
removedSymbols.Add(fd.GetSymbol());
}
break;
}
}
if (ctorDecl?.Initializer.ConstructorInitializerType == ConstructorInitializerType.This)
{
// remove all fields
foreach (var node in rootNode.Children)
{
switch (node)
{
case FieldDeclaration fd:
fd.Remove();
removedSymbols.Add(fd.GetSymbol());
break;
}
}
}
foreach (var node in rootNode.Children)
{
if (node is Comment && removedSymbols.Contains(node.GetSymbol()))
node.Remove();
}
}
}
public override void DecompileProperty(IProperty property, ITextOutput output, DecompilationOptions options)
{
MetadataFile assembly = property.ParentModule.MetadataFile;
CSharpDecompiler decompiler = CreateDecompiler(assembly, options);
AddReferenceAssemblyWarningMessage(assembly, output);
AddReferenceWarningMessage(assembly, output);
WriteCommentLine(output, assembly.FullName);
WriteCommentLine(output, TypeToString(property.DeclaringType, includeNamespace: true));
WriteCode(output, options.DecompilerSettings, decompiler.Decompile(property.MetadataToken), decompiler.TypeSystem);
}
public override void DecompileField(IField field, ITextOutput output, DecompilationOptions options)
{
MetadataFile assembly = field.ParentModule.MetadataFile;
CSharpDecompiler decompiler = CreateDecompiler(assembly, options);
AddReferenceAssemblyWarningMessage(assembly, output);
AddReferenceWarningMessage(assembly, output);
WriteCommentLine(output, assembly.FullName);
WriteCommentLine(output, TypeToString(field.DeclaringType, includeNamespace: true));
if (field.IsConst)
{
WriteCode(output, options.DecompilerSettings, decompiler.Decompile(field.MetadataToken), decompiler.TypeSystem);
}
else
{
var members = CollectFieldsAndCtors(field.DeclaringTypeDefinition, field.IsStatic);
var resolvedField = decompiler.TypeSystem.MainModule.GetDefinition((FieldDefinitionHandle)field.MetadataToken);
decompiler.AstTransforms.Add(new SelectFieldTransform(resolvedField));
WriteCode(output, options.DecompilerSettings, decompiler.Decompile(members), decompiler.TypeSystem);
}
}
static List<EntityHandle> CollectFieldsAndCtors(ITypeDefinition type, bool isStatic)
{
var members = new List<EntityHandle>();
foreach (var field in type.Fields)
{
if (!field.MetadataToken.IsNil && field.IsStatic == isStatic)
members.Add(field.MetadataToken);
}
foreach (var ctor in type.Methods)
{
if (!ctor.MetadataToken.IsNil && ctor.IsConstructor && ctor.IsStatic == isStatic)
members.Add(ctor.MetadataToken);
}
return members;
}
/// <summary>
/// Removes all top-level members except for the specified fields.
/// </summary>
sealed class SelectFieldTransform : IAstTransform
{
readonly IField field;
public SelectFieldTransform(IField field)
{
this.field = field;
}
public void Run(AstNode rootNode, TransformContext context)
{
foreach (var node in rootNode.Children)
{
switch (node)
{
case EntityDeclaration ed:
if (node.GetSymbol() != field)
node.Remove();
break;
case Comment c:
if (c.GetSymbol() != field)
node.Remove();
break;
}
}
}
}
public override void DecompileEvent(IEvent @event, ITextOutput output, DecompilationOptions options)
{
MetadataFile assembly = @event.ParentModule.MetadataFile;
CSharpDecompiler decompiler = CreateDecompiler(assembly, options);
AddReferenceAssemblyWarningMessage(assembly, output);
AddReferenceWarningMessage(assembly, output);
WriteCommentLine(output, assembly.FullName);
WriteCommentLine(output, TypeToString(@event.DeclaringType, includeNamespace: true));
WriteCode(output, options.DecompilerSettings, decompiler.Decompile(@event.MetadataToken), decompiler.TypeSystem);
}
public override void DecompileType(ITypeDefinition type, ITextOutput output, DecompilationOptions options)
{
MetadataFile assembly = type.ParentModule.MetadataFile;
CSharpDecompiler decompiler = CreateDecompiler(assembly, options);
AddReferenceAssemblyWarningMessage(assembly, output);
AddReferenceWarningMessage(assembly, output);
WriteCommentLine(output, assembly.FullName);
WriteCommentLine(output, TypeToString(type, includeNamespace: true));
WriteCode(output, options.DecompilerSettings, decompiler.Decompile(type.MetadataToken), decompiler.TypeSystem);
}
void AddReferenceWarningMessage(MetadataFile module, ITextOutput output)
{
var loadedAssembly = MainWindow.Instance.CurrentAssemblyList.GetAssemblies().FirstOrDefault(la => la.GetMetadataFileOrNull() == module);
if (loadedAssembly == null || !loadedAssembly.LoadedAssemblyReferencesInfo.HasErrors)
return;
string line1 = Properties.Resources.WarningSomeAssemblyReference;
string line2 = Properties.Resources.PropertyManuallyMissingReferencesListLoadedAssemblies;
AddWarningMessage(module, output, line1, line2, Properties.Resources.ShowAssemblyLoad, Images.ViewCode, delegate {
ILSpyTreeNode assemblyNode = MainWindow.Instance.FindTreeNode(module);
assemblyNode.EnsureLazyChildren();
MainWindow.Instance.SelectNode(assemblyNode.Children.OfType<ReferenceFolderTreeNode>().Single());
});
}
void AddReferenceAssemblyWarningMessage(MetadataFile module, ITextOutput output)
{
var metadata = module.Metadata;
if (!metadata.GetCustomAttributes(Handle.AssemblyDefinition).HasKnownAttribute(metadata, KnownAttribute.ReferenceAssembly))
return;
string line1 = Properties.Resources.WarningAsmMarkedRef;
AddWarningMessage(module, output, line1);
}
void AddWarningMessage(MetadataFile module, ITextOutput output, string line1, string line2 = null,
string buttonText = null, System.Windows.Media.ImageSource buttonImage = null, RoutedEventHandler buttonClickHandler = null)
{
if (output is ISmartTextOutput fancyOutput)
{
string text = line1;
if (!string.IsNullOrEmpty(line2))
text += Environment.NewLine + line2;
fancyOutput.AddUIElement(() => new StackPanel {
Margin = new Thickness(5),
Orientation = Orientation.Horizontal,
Children = {
new Image {
Width = 32,
Height = 32,
Source = Images.Load(this, "Images/Warning")
},
new TextBlock {
Margin = new Thickness(5, 0, 0, 0),
Text = text
}
}
});
fancyOutput.WriteLine();
if (buttonText != null && buttonClickHandler != null)
{
fancyOutput.AddButton(buttonImage, buttonText, buttonClickHandler);
fancyOutput.WriteLine();
}
}
else
{
WriteCommentLine(output, line1);
if (!string.IsNullOrEmpty(line2))
WriteCommentLine(output, line2);
}
}
public override ProjectId DecompileAssembly(LoadedAssembly assembly, ITextOutput output, DecompilationOptions options)
{
var module = assembly.GetMetadataFileOrNull();
if (module == null)
{
return null;
}
if (options.FullDecompilation && options.SaveAsProjectDirectory != null)
{
if (!WholeProjectDecompiler.CanUseSdkStyleProjectFormat(module))
{
options.DecompilerSettings.UseSdkStyleProjectFormat = false;
}
var decompiler = new ILSpyWholeProjectDecompiler(assembly, options);
decompiler.ProgressIndicator = options.Progress;
return decompiler.DecompileProject(module, options.SaveAsProjectDirectory, new TextOutputWriter(output), options.CancellationToken);
}
else
{
AddReferenceAssemblyWarningMessage(module, output);
AddReferenceWarningMessage(module, output);
output.WriteLine();
base.DecompileAssembly(assembly, output, options);
// don't automatically load additional assemblies when an assembly node is selected in the tree view
IAssemblyResolver assemblyResolver = assembly.GetAssemblyResolver(loadOnDemand: options.FullDecompilation && options.DecompilerSettings.AutoLoadAssemblyReferences);
var typeSystem = new DecompilerTypeSystem(module, assemblyResolver, options.DecompilerSettings);
var globalType = typeSystem.MainModule.TypeDefinitions.FirstOrDefault();
if (globalType != null)
{
output.Write("// Global type: ");
output.WriteReference(globalType, EscapeName(globalType.FullName));
output.WriteLine();
}
var metadata = module.Metadata;
var corHeader = module.CorHeader;
if (module is PEFile peFile && corHeader != null)
{
var entrypointHandle = MetadataTokenHelpers.EntityHandleOrNil(corHeader.EntryPointTokenOrRelativeVirtualAddress);
if (!entrypointHandle.IsNil && entrypointHandle.Kind == HandleKind.MethodDefinition)
{
var entrypoint = typeSystem.MainModule.ResolveMethod(entrypointHandle, new Decompiler.TypeSystem.GenericContext());
if (entrypoint != null)
{
output.Write("// Entry point: ");
output.WriteReference(entrypoint, EscapeName(entrypoint.DeclaringType.FullName + "." + entrypoint.Name));
output.WriteLine();
}
}
output.WriteLine("// Architecture: " + GetPlatformDisplayName(peFile));
if ((corHeader.Flags & System.Reflection.PortableExecutable.CorFlags.ILOnly) == 0)
{
output.WriteLine("// This assembly contains unmanaged code.");
}
string runtimeName = GetRuntimeDisplayName(module);
if (runtimeName != null)
{
output.WriteLine("// Runtime: " + runtimeName);
}
if ((corHeader.Flags & System.Reflection.PortableExecutable.CorFlags.StrongNameSigned) != 0)
{
output.WriteLine("// This assembly is signed with a strong name key.");
}
if (peFile.Reader.ReadDebugDirectory().Any(d => d.Type == DebugDirectoryEntryType.Reproducible))
{
output.WriteLine("// This assembly was compiled using the /deterministic option.");
}
if (module.Metadata.MetadataKind != MetadataKind.Ecma335)
{
output.WriteLine("// This assembly was loaded with Windows Runtime projections applied.");
}
}
else
{
string runtimeName = GetRuntimeDisplayName(module);
if (runtimeName != null)
{
output.WriteLine("// Runtime: " + runtimeName);
}
}
if (metadata.IsAssembly)
{
var asm = metadata.GetAssemblyDefinition();
if (asm.HashAlgorithm != AssemblyHashAlgorithm.None)
output.WriteLine("// Hash algorithm: " + asm.HashAlgorithm.ToString().ToUpper());
if (!asm.PublicKey.IsNil)
{
output.Write("// Public key: ");
var reader = metadata.GetBlobReader(asm.PublicKey);
while (reader.RemainingBytes > 0)
output.Write(reader.ReadByte().ToString("x2"));
output.WriteLine();
}
}
var debugInfo = assembly.GetDebugInfoOrNull();
if (debugInfo != null)
{
output.WriteLine("// Debug info: " + debugInfo.Description);
}
output.WriteLine();
CSharpDecompiler decompiler = new CSharpDecompiler(typeSystem, options.DecompilerSettings);
decompiler.CancellationToken = options.CancellationToken;
if (options.EscapeInvalidIdentifiers)
{
decompiler.AstTransforms.Add(new EscapeInvalidIdentifiers());
}
SyntaxTree st;
if (options.FullDecompilation)
{
st = decompiler.DecompileWholeModuleAsSingleFile();
}
else
{
st = decompiler.DecompileModuleAndAssemblyAttributes();
}
WriteCode(output, options.DecompilerSettings, st, decompiler.TypeSystem);
return null;
}
}
class ILSpyWholeProjectDecompiler : WholeProjectDecompiler
{
readonly LoadedAssembly assembly;
readonly DecompilationOptions options;
public ILSpyWholeProjectDecompiler(LoadedAssembly assembly, DecompilationOptions options)
: base(options.DecompilerSettings, assembly.GetAssemblyResolver(options.DecompilerSettings.AutoLoadAssemblyReferences, options.DecompilerSettings.ApplyWindowsRuntimeProjections), null, assembly.GetAssemblyReferenceClassifier(options.DecompilerSettings.ApplyWindowsRuntimeProjections), assembly.GetDebugInfoOrNull())
{
this.assembly = assembly;
this.options = options;
}
protected override IEnumerable<ProjectItemInfo> WriteResourceToFile(string fileName, string resourceName, Stream entryStream)
{
var context = new ResourceFileHandlerContext(options);
foreach (var handler in App.ExportProvider.GetExportedValues<IResourceFileHandler>())
{
if (handler.CanHandle(fileName, context))
{
entryStream.Position = 0;
fileName = handler.WriteResourceToFile(assembly, fileName, entryStream, context);
return new[] { new ProjectItemInfo(handler.EntryType, fileName) { PartialTypes = context.PartialTypes }.With(context.AdditionalProperties) };
}
}
return base.WriteResourceToFile(fileName, resourceName, entryStream);
}
}
static CSharpAmbience CreateAmbience()
{
CSharpAmbience ambience = new CSharpAmbience();
// Do not forget to update CSharpAmbienceTests.ILSpyMainTreeViewTypeFlags, if this ever changes.
ambience.ConversionFlags = ConversionFlags.ShowTypeParameterList | ConversionFlags.PlaceReturnTypeAfterParameterList;
if (MainWindow.Instance.CurrentDecompilerSettings.LiftNullables)
{
ambience.ConversionFlags |= ConversionFlags.UseNullableSpecifierForValueTypes;
}
return ambience;
}
static string EntityToString(IEntity entity, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName)
{
// Do not forget to update CSharpAmbienceTests, if this ever changes.
var ambience = CreateAmbience();
ambience.ConversionFlags |= ConversionFlags.ShowReturnType | ConversionFlags.ShowParameterList | ConversionFlags.ShowParameterModifiers;
if (includeDeclaringTypeName)
ambience.ConversionFlags |= ConversionFlags.ShowDeclaringType;
if (includeNamespace)
ambience.ConversionFlags |= ConversionFlags.UseFullyQualifiedTypeNames;
if (includeNamespaceOfDeclaringTypeName)
ambience.ConversionFlags |= ConversionFlags.UseFullyQualifiedEntityNames;
return ambience.ConvertSymbol(entity);
}
public override string TypeToString(IType type, bool includeNamespace)
{
if (type == null)
throw new ArgumentNullException(nameof(type));
var ambience = CreateAmbience();
// Do not forget to update CSharpAmbienceTests.ILSpyMainTreeViewFlags, if this ever changes.
if (includeNamespace)
{
ambience.ConversionFlags |= ConversionFlags.UseFullyQualifiedTypeNames;
ambience.ConversionFlags |= ConversionFlags.UseFullyQualifiedEntityNames;
}
if (type is ITypeDefinition definition)
{
return ambience.ConvertSymbol(definition);
// HACK : UnknownType is not supported by CSharpAmbience.
}
else if (type.Kind == TypeKind.Unknown)
{
return (includeNamespace ? type.FullName : type.Name)
+ (type.TypeParameterCount > 0 ? "<" + string.Join(", ", type.TypeArguments.Select(t => t.Name)) + ">" : "");
}
else
{
return ambience.ConvertType(type);
}
}
public override string FieldToString(IField field, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName)
{
if (field == null)
throw new ArgumentNullException(nameof(field));
return EntityToString(field, includeDeclaringTypeName, includeNamespace, includeNamespaceOfDeclaringTypeName);
}
public override string PropertyToString(IProperty property, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName)
{
if (property == null)
throw new ArgumentNullException(nameof(property));
return EntityToString(property, includeDeclaringTypeName, includeNamespace, includeNamespaceOfDeclaringTypeName);
}
public override string MethodToString(IMethod method, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName)
{
if (method == null)
throw new ArgumentNullException(nameof(method));
return EntityToString(method, includeDeclaringTypeName, includeNamespace, includeNamespaceOfDeclaringTypeName);
}
public override string EventToString(IEvent @event, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName)
{
if (@event == null)
throw new ArgumentNullException(nameof(@event));
return EntityToString(@event, includeDeclaringTypeName, includeNamespace, includeNamespaceOfDeclaringTypeName);
}
static string ToCSharpString(MetadataReader metadata, TypeDefinitionHandle handle, bool fullName, bool omitGenerics)
{
var currentTypeDefHandle = handle;
var typeDef = metadata.GetTypeDefinition(currentTypeDefHandle);
List<string> builder = new List<string>();
while (!currentTypeDefHandle.IsNil)
{
if (builder.Count > 0)
builder.Add(".");
typeDef = metadata.GetTypeDefinition(currentTypeDefHandle);
var part = ReflectionHelper.SplitTypeParameterCountFromReflectionName(metadata.GetString(typeDef.Name), out int typeParamCount);
var genericParams = typeDef.GetGenericParameters();
if (!omitGenerics && genericParams.Count > 0)
{
builder.Add(">");
int firstIndex = genericParams.Count - typeParamCount;
for (int i = genericParams.Count - 1; i >= genericParams.Count - typeParamCount; i--)
{
builder.Add(metadata.GetString(metadata.GetGenericParameter(genericParams[i]).Name));
builder.Add(i == firstIndex ? "<" : ",");
}
}
builder.Add(part);
currentTypeDefHandle = typeDef.GetDeclaringType();
if (!fullName)
break;
}
if (fullName && !typeDef.Namespace.IsNil)
{
builder.Add(".");
builder.Add(metadata.GetString(typeDef.Namespace));
}
switch (builder.Count)
{
case 0:
return string.Empty;
case 1:
return builder[0];
case 2:
return builder[1] + builder[0];
case 3:
return builder[2] + builder[1] + builder[0];
case 4:
return builder[3] + builder[2] + builder[1] + builder[0];
default:
builder.Reverse();
return string.Concat(builder);
}
}
public override string GetEntityName(MetadataFile module, EntityHandle handle, bool fullName, bool omitGenerics)
{
MetadataReader metadata = module.Metadata;
switch (handle.Kind)
{
case HandleKind.TypeDefinition:
return ToCSharpString(metadata, (TypeDefinitionHandle)handle, fullName, omitGenerics);
case HandleKind.FieldDefinition:
var fd = metadata.GetFieldDefinition((FieldDefinitionHandle)handle);
var declaringType = fd.GetDeclaringType();
if (fullName)
return ToCSharpString(metadata, declaringType, fullName, omitGenerics) + "." + metadata.GetString(fd.Name);
return metadata.GetString(fd.Name);
case HandleKind.MethodDefinition:
var md = metadata.GetMethodDefinition((MethodDefinitionHandle)handle);
declaringType = md.GetDeclaringType();
string methodName = metadata.GetString(md.Name);
switch (methodName)
{
case ".ctor":
case ".cctor":
var td = metadata.GetTypeDefinition(declaringType);
methodName = ReflectionHelper.SplitTypeParameterCountFromReflectionName(metadata.GetString(td.Name));
break;
case "Finalize":
const MethodAttributes finalizerAttributes = (MethodAttributes.Virtual | MethodAttributes.Family | MethodAttributes.HideBySig);
if ((md.Attributes & finalizerAttributes) != finalizerAttributes)
goto default;
MethodSignature<IType> methodSignature = md.DecodeSignature(MetadataExtensions.MinimalSignatureTypeProvider, default);
if (methodSignature.GenericParameterCount != 0 || methodSignature.ParameterTypes.Length != 0)
goto default;
td = metadata.GetTypeDefinition(declaringType);
methodName = "~" + ReflectionHelper.SplitTypeParameterCountFromReflectionName(metadata.GetString(td.Name));
break;
default:
var genericParams = md.GetGenericParameters();
if (!omitGenerics && genericParams.Count > 0)
{
methodName += "<";
int i = 0;
foreach (var h in genericParams)
{
if (i > 0)
methodName += ",";
var gp = metadata.GetGenericParameter(h);
methodName += metadata.GetString(gp.Name);
}
methodName += ">";
}
break;
}
if (fullName)
return ToCSharpString(metadata, declaringType, fullName, omitGenerics) + "." + methodName;
return methodName;
case HandleKind.EventDefinition:
var ed = metadata.GetEventDefinition((EventDefinitionHandle)handle);
declaringType = metadata.GetMethodDefinition(ed.GetAccessors().GetAny()).GetDeclaringType();
if (fullName && !declaringType.IsNil)
return ToCSharpString(metadata, declaringType, fullName, omitGenerics) + "." + metadata.GetString(ed.Name);
return metadata.GetString(ed.Name);
case HandleKind.PropertyDefinition:
var pd = metadata.GetPropertyDefinition((PropertyDefinitionHandle)handle);
declaringType = metadata.GetMethodDefinition(pd.GetAccessors().GetAny()).GetDeclaringType();
if (fullName && !declaringType.IsNil)
return ToCSharpString(metadata, declaringType, fullName, omitGenerics) + "." + metadata.GetString(pd.Name);
return metadata.GetString(pd.Name);
default:
return null;
}
}
public override bool ShowMember(IEntity member)
{
MetadataFile assembly = member.ParentModule.MetadataFile;
return showAllMembers || !CSharpDecompiler.MemberIsHidden(assembly, member.MetadataToken, MainWindow.Instance.CurrentDecompilerSettings);
}
public override RichText GetRichTextTooltip(IEntity entity)
{
var flags = ConversionFlags.All & ~(ConversionFlags.ShowBody | ConversionFlags.PlaceReturnTypeAfterParameterList);
var output = new StringWriter();
var decoratedWriter = new TextWriterTokenWriter(output);
var writer = new CSharpHighlightingTokenWriter(TokenWriter.InsertRequiredSpaces(decoratedWriter), locatable: decoratedWriter);
var settings = MainWindow.Instance.CurrentDecompilerSettings;
if (!settings.LiftNullables)
{
flags &= ~ConversionFlags.UseNullableSpecifierForValueTypes;
}
if (settings.RecordClasses)
{
flags |= ConversionFlags.SupportRecordClasses;
}
if (settings.RecordStructs)
{
flags |= ConversionFlags.SupportRecordStructs;
}
if (settings.UnsignedRightShift)
{
flags |= ConversionFlags.SupportUnsignedRightShift;
}
if (settings.CheckedOperators)
{
flags |= ConversionFlags.SupportOperatorChecked;
}
if (settings.InitAccessors)
{
flags |= ConversionFlags.SupportInitAccessors;
}
if (entity is IMethod m && m.IsLocalFunction)
{
writer.WriteIdentifier(Identifier.Create("(local)"));
}
new CSharpAmbience() {
ConversionFlags = flags,
}.ConvertSymbol(entity, writer, settings.CSharpFormattingOptions);
return new RichText(output.ToString(), writer.HighlightingModel);
}
public override CodeMappingInfo GetCodeMappingInfo(MetadataFile module, EntityHandle member)
{
return CSharpDecompiler.GetCodeMappingInfo(module, member);
}
CSharpBracketSearcher bracketSearcher = new CSharpBracketSearcher();
public override IBracketSearcher BracketSearcher => bracketSearcher;
}
}