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{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "You must install **.NET Interactive Notebooks** extension in VS Code to run this notebook!\n", "\n", "Load the NuGet package and print out the version to make sure we are using the latest and greatest" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [ { "data": { "text/html": [ "<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>ICSharpCode.Decompiler, 7.2.0.6702-preview2</span></li></ul></div></div>" ] }, "metadata": {}, "output_type": "display_data" }, { "name": "stdout", "output_type": "stream", "text": [ "ICSharpCode.Decompiler, Version=7.2.0.6702, Culture=neutral, PublicKeyToken=d4bfe873e7598c49\r\n" ] } ], "source": [ "#r \"nuget: ICSharpCode.Decompiler, 7.2.0.6702-preview2\"\n", "\n", "using System.Reflection.Metadata;\n", "using ICSharpCode.Decompiler;\n", "using ICSharpCode.Decompiler.CSharp;\n", "using ICSharpCode.Decompiler.Metadata;\n", "using ICSharpCode.Decompiler.TypeSystem;\n", "\n", "Console.WriteLine(typeof(FullTypeName).Assembly.GetName());" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "You must have compiled **ILSpy.XPlat.slnf** first (run “dotnet build” in ICSharpCode.Decompiler.PowerShell folder). Make sure to modify **basePath** to your repository path." ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [], "source": [ "const string basePath = @\"D:\\GitWorkspace\\ILSpy\\\";\n", "string testAssemblyPath = basePath + @\"ICSharpCode.Decompiler.PowerShell\\bin\\Release\\netstandard2.0\\ICSharpCode.Decompiler.dll\";\n", "\n", "var decompiler = new CSharpDecompiler(testAssemblyPath, new DecompilerSettings());" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Get the count of types in this module" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "1478\r\n" ] } ], "source": [ "var types = decompiler.TypeSystem.MainModule.TypeDefinitions;\n", "Console.WriteLine(types.Count());" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Decompile a known type (as a whole)" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "using System;\r\n", "\r\n", "namespace ICSharpCode.Decompiler.Util\r\n", "{\r\n", "\tpublic static class Empty<T>\r\n", "\t{\r\n", "\t\tpublic static readonly T[] Array = System.Array.Empty<T>();\r\n", "\t}\r\n", "}\r\n", "\r\n" ] } ], "source": [ "// ICSharpCode.Decompiler.Util.Empty<T> -> translates to `n, where n is the # of generic parameters\n", "var nameOfGenericType = new FullTypeName(\"ICSharpCode.Decompiler.Util.Empty`1\");\n", "Console.WriteLine(decompiler.DecompileTypeAsString(nameOfGenericType));" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "If you want to decompile one single member (sample: first method)" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "using System;\r\n", "\r\n", "static UniversalAssemblyResolver()\r\n", "{\r\n", "\tgac_paths = GetGacPaths();\r\n", "\tZeroVersion = new Version(0, 0, 0, 0);\r\n", "\tif (Type.GetType(\"Mono.Runtime\") != null)\r\n", "\t{\r\n", "\t\tdecompilerRuntime = DecompilerRuntime.Mono;\r\n", "\t}\r\n", "\telse if (typeof(object).Assembly.GetName().Name == \"System.Private.CoreLib\")\r\n", "\t{\r\n", "\t\tdecompilerRuntime = DecompilerRuntime.NETCoreApp;\r\n", "\t}\r\n", "\telse if (Environment.OSVersion.Platform == PlatformID.Unix)\r\n", "\t{\r\n", "\t\tdecompilerRuntime = DecompilerRuntime.Mono;\r\n", "\t}\r\n", "}\r\n", "\r\n" ] } ], "source": [ "var nameOfUniResolver = new FullTypeName(\"ICSharpCode.Decompiler.Metadata.UniversalAssemblyResolver\");\n", "ITypeDefinition typeInfo = decompiler.TypeSystem.FindType(nameOfUniResolver).GetDefinition();\n", "var tokenOfFirstMethod = typeInfo.Methods.First().MetadataToken;\n", "Console.WriteLine(decompiler.DecompileAsString(tokenOfFirstMethod));" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "If you need access to low-level metadata tables" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [], "source": [ "ITypeDefinition type = decompiler.TypeSystem.FindType(nameOfUniResolver).GetDefinition();\n", "var module = type.ParentModule.PEFile;" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Get the child namespaces" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Microsoft\r\n", "System\r\n", "LightJson\r\n", "Humanizer\r\n", "ICSharpCode\r\n", "FxResources\r\n", "Internal\r\n", "MS\r\n", "Windows\r\n" ] } ], "source": [ "var icsdns = decompiler.TypeSystem.RootNamespace;\n", "foreach (var cn in icsdns.ChildNamespaces) Console.WriteLine(cn.FullName);" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Get types in a single namespace" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "LightJson.JsonArray\r\n" ] } ], "source": [ "var typesInNamespace = icsdns.ChildNamespaces.First(cn => cn.FullName == \"LightJson\").Types;\n", "Console.WriteLine(typesInNamespace.First().FullTypeName);" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "dotnet_interactive": { "language": "csharp" } }, "outputs": [], "source": [] } ], "metadata": { "kernelspec": { "display_name": ".NET (C#)", "language": "C#", "name": ".net-csharp" }, "language_info": { "file_extension": ".cs", "mimetype": "text/x-csharp", "name": "csharp", "pygments_lexer": "csharp", "version": "8.0" } }, "nbformat": 4, "nbformat_minor": 4}
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