Add a Xamarin-workbooks lookalike for use in .NET Interactive Notebooks (see https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.dotnet-interactive-vscode)

4 years ago · 02c0e7805d
1 changed files with 331 additions and 0 deletions
--- a/decompiler-nuget-demos.ipynb
+++ b/decompiler-nuget-demos.ipynb
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+{
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "Load the NuGet package and print out the version to make sure we are using the latest and greatest"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "source": [
+        "#r \"nuget: ICSharpCode.Decompiler, 7.0.0.6372-preview3\"\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());"
+      ],
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "ICSharpCode.Decompiler, Version=7.0.0.6372, Culture=neutral, PublicKeyToken=d4bfe873e7598c49\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "You must have compiled **frontends.sln** first (run “dotnet build” in ICSharpCode.Decompiler.PowerShell folder). Make sure to modify **basePath** to your repository path."
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "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());"
+      ],
+      "outputs": []
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "Get the count of types in this module"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "source": [
+        "var types = decompiler.TypeSystem.MainModule.TypeDefinitions;\n",
+        "Console.WriteLine(types.Count());"
+      ],
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "1459\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "Decompile a known type (as a whole)"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "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));"
+      ],
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "using System;\r\n\r\nnamespace 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"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "If you want to decompile one single member (sample: first method)"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "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));"
+      ],
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "using System;\r\n\r\nstatic 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"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "If you need access to low-level metadata tables"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "source": [
+        "ITypeDefinition type = decompiler.TypeSystem.FindType(nameOfUniResolver).GetDefinition();\n",
+        "var module = type.ParentModule.PEFile;"
+      ],
+      "outputs": []
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "Get the child namespaces"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "source": [
+        "var icsdns = decompiler.TypeSystem.RootNamespace;\n",
+        "foreach (var cn in icsdns.ChildNamespaces) Console.WriteLine(cn.FullName);"
+      ],
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "Microsoft\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "System\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "LightJson\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "Humanizer\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "ICSharpCode\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "FxResources\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "Internal\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "Windows\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        },
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "MS\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "Get types in a single namespace"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "source": [
+        "var typesInNamespace = icsdns.ChildNamespaces.First(cn => cn.FullName == \"LightJson\").Types;\n",
+        "Console.WriteLine(typesInNamespace.First().FullTypeName);"
+      ],
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": "LightJson.JsonArray\r\n"
+          },
+          "execution_count": 1,
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "dotnet_interactive": {
+          "language": "csharp"
+        }
+      },
+      "source": [
+        ""
+      ],
+      "outputs": []
+    }
+  ],
+  "metadata": {
+    "kernelspec": {
+      "display_name": ".NET (C#)",
+      "language": "C#",
+      "name": ".net-csharp"
+    },
+    "language_info": {
+      "file_extension": ".cs",
+      "mimetype": "text/x-csharp",
+      "name": "C#",
+      "pygments_lexer": "csharp",
+      "version": "8.0"
+    }
+  },
+  "nbformat": 4,
+  "nbformat_minor": 4
+}