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78 lines
2.4 KiB
78 lines
2.4 KiB
--- |
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uti: com.xamarin.workbook |
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id: de255e90-ba7b-4070-be45-65e544ae8219 |
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title: DecompilerPackageDemos |
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platforms: |
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- DotNetCore |
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packages: |
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- id: ICSharpCode.Decompiler |
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version: 3.0.0.3443 |
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--- |
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Setup: load the references required to work with the decompiler |
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```csharp |
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#r "ICSharpCode.Decompiler" |
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#r "Mono.Cecil" |
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using Mono.Cecil; |
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using ICSharpCode.Decompiler; |
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using ICSharpCode.Decompiler.CSharp; |
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using ICSharpCode.Decompiler.TypeSystem; |
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// Version sanity check |
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Console.WriteLine(typeof(FullTypeName).Assembly.GetName()); |
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``` |
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You must have compiled **frontends.sln** first (run “dotnet build” in ICSharpCode.Decompiler.PowerShell folder) |
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```csharp |
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string workbookBasePath = System.IO.Directory.GetCurrentDirectory(); |
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string fileName = System.IO.Path.Combine(workbookBasePath, "ICSharpCode.Decompiler.PowerShell", "bin", "Debug", "netstandard2.0", "ICSharpCode.Decompiler.dll"); |
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var decompiler = new CSharpDecompiler(fileName, new DecompilerSettings()); |
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``` |
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Get the count of types in this assembly |
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```csharp |
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var types = decompiler.TypeSystem.Compilation.MainAssembly.GetAllTypeDefinitions(); |
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Console.WriteLine(types.Count()); |
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``` |
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Decompile a known type (as a whole) |
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```csharp |
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// ICSharpCode.Decompiler.Util.Empty<T> -> translates to `n, where n is the # of generic parameters |
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var nameOfGenericType = new FullTypeName("ICSharpCode.Decompiler.Util.Empty`1"); |
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Console.WriteLine(decompiler.DecompileTypeAsString(nameOfGenericType)); |
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``` |
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If you want to decompile one single member (sample: first property) |
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```csharp |
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var nameOfUniResolver = new FullTypeName("ICSharpCode.Decompiler.UniversalAssemblyResolver"); |
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ITypeDefinition typeInfo = decompiler.TypeSystem.Compilation.FindType(nameOfUniResolver).GetDefinition(); |
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IMemberDefinition cecilProperty = decompiler.TypeSystem.GetCecil(typeInfo.Properties.First()).Resolve(); |
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Console.WriteLine(decompiler.DecompileAsString(cecilProperty)); |
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``` |
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If you need the Cecil ModuleDefinition |
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```csharp |
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ITypeDefinition type = decompiler.TypeSystem.Compilation.FindType(nameOfUniResolver).GetDefinition(); |
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var module = decompiler.TypeSystem.GetCecil(type).Module |
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``` |
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Get the child namespaces |
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```csharp |
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var icsdns = decompiler.TypeSystem.Compilation.RootNamespace; |
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foreach (var ns in icsdns.ChildNamespaces) Console.WriteLine(ns.FullName); |
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``` |
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Get types in a single namespace |
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```csharp |
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// ICSharpCode.Decompiler.TypeSystem is the first namespace |
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var typesInNamespace = icsdns.ChildNamespaces.First().Types; |
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``` |