Macに.net Frameworkのでコンパイラをインストールする

Unity製のゲームとかC#で作られたwindows向けアプリの解析をMacでするとき用。

忘れないようにメモ

環境

Mac book pro version 10.15.2

.Net SDKをインストールする

aka.ms

上のリンクからAll .NET Core downloads...

f:id:toDo:20200117155621p:plain

をクリック。

f:id:toDo:20200117155743p:plain

.NET Core 2.1をダウンロードする

※2.1以外では以下のようなエラーが出る

It was not possible to find any compatible framework version The framework 'Microsoft.NETCore.App', version '2.1.0' was not found. - The following frameworks were found: 3.1.1 at [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

You can resolve the problem by installing the specified framework and/or SDK.

The specified framework can be found at: - https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=2.1.0&arch=x64&rid=osx.10.15-x64

インストールが終わった後に

$ dotnet tool install ilspycmd -g

を叩いてデコンパイラをインストールする。

$ ilspycmd -h
dotnet tool for decompiling .NET assemblies and generating portable PDBs

Usage: ilspycmd [arguments] [options]

Arguments:
  Assembly file name          The assembly that is being decompiled. This argument is mandatory.

Options:
  -h|--help                   Show help information
  -o|--outputdir <directory>  The output directory, if omitted decompiler output is written to standard out.
  -p|--project                Decompile assembly as compilable project. This requires the output directory option.
  -t|--type <type-name>       The fully qualified name of the type to decompile.
  -il|--ilcode                Show IL code.
  -d|--debuginfo              Generate PDB.
  -l|--list <entity-type(s)>  Lists all entities of the specified type(s). Valid types: c(lass), i(interface), s(truct), d(elegate), e(num)
  -v|--version                Show version of ICSharpCode.Decompiler used.
  -r|--referencepath <path>   Path to a directory containing dependencies of the assembly that is being decompiled.

Remarks:
  -o is valid with every option and required when using -p.

はい