ASDAlexander77 / cs2cpp

C# to C++ transpiler (Cs2Cpp) (Powered by Roslyn)

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C# to C++ transpiler (Cs2Cpp)

The Cs2Cpp repo contains the complete source code implementation for Cs2Cpp. It includes CoreLib, and many other components. It is cross-platform.

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Join the chat at https://gitter.im/ASDAlexander77/cs2cpp

Engage, Contribute and Provide Feedback

Some of the best ways to contribute are to try things out, file bugs, and join in design conversations.

License

Cs2Cpp is licensed under the MIT license.

Quick Start

Prerequisite: CMake 2.8+, .NET 4.6.2+, GCC 5.0+ or Microsoft Visual C++ 2017 Community Edition

  1. Build Project
cd Il2Native
MSBuild Il2Native.sln /p:Configuration=Release /p:Platform="Any CPU"

or open Il2Native.sln in Visual Studio 2017 and compile it

  1. Build CoreLib (aka mscorlib)
cd CoreLib
MSBuild CoreLib.csproj /p:Configuration=Release /p:Platform="AnyCPU"
  1. Create a temporary folder to build projects/files
cd ..\..
mkdir playground
cd playground
  1. Generating CoreLib C++ project
..\Il2Native\Il2Native\bin\Release\Cs2Cpp.exe /release ..\Il2Native\CoreLib\CoreLib.csproj
  1. Compile it
cd CoreLib
build_prerequisite_vs2017_release.bat 
build_vs2017_release.bat

Now you have compiled CoreLib (mscorelib)

  1. Compile HelloWorld.cs
cd ..

create file HelloWorld.cs

using System;

class X {
	public static int Main (string [] args)
	{
		Console.WriteLine ("Hello, World!");
		return 0;
	}
}
..\Il2Native\Il2Native\bin\Release\Cs2Cpp.exe /release HelloWorld.cs /corelib:..\Il2Native\CoreLib\bin\Release\CoreLib.dll
cd HelloWorld
build_vs2017_release.bat

Now you have HelloWorld.exe

How to compile CoreCLR and CoreFX projects

  1. Build Core Lib
Cs2Cpp.exe /release <path_to_git>\coreclr\src\mscorlib\System.Private.CoreLib.csproj
  1. Build any Library project, for example System.Private.Uri
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Private.Uri\src\System.Private.Uri.csproj /corelib:System.Private.CoreLib.dll /p:Configuration=netstandard2.0-Windows_NT-Release
  1. Compile it

First Core library

cd System_Private_CoreLib
build_prerequisite_vs2017_release.bat 
build_vs2017_release.bat

Then your targeted library

cd System_Private_Uri
build_vs2017_release.bat

How to compile CoreFX Console project

  1. Generating source code for each reference
Cs2Cpp.exe /release <path_to_git>\coreclr\src\mscorlib\System.Private.CoreLib.csproj
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Collections\src\System.Collections.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Diagnostics.Contracts\src\System.Diagnostics.Contracts.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Diagnostics.Tools\src\System.Diagnostics.Tools.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Resources.ResourceManager\src\System.Resources.ResourceManager.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Runtime.Extensions\src\System.Runtime.Extensions.csproj /p:Configuration=netstandard2.0-Windows_NT-Release /corelib:System.Private.CoreLib.dll
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Runtime.InteropServices\src\System.Runtime.InteropServices.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Text.Encoding.Extensions\src\System.Text.Encoding.Extensions.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Threading\src\System.Threading.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Threading.Tasks\src\System.Threading.Tasks.csproj /p:Configuration=netstandard2.0-Windows_NT-Release
Cs2Cpp.exe /release <path_to_git>\corefx\src\System.Console\src\System.Console.csproj /p:Configuration=netstandard2.0-Windows_NT-Release /corelib:System.Private.CoreLib.dll
  1. Generate source code for "Hello World" executable
Cs2Cpp.exe /release helloworld.cs /ref:System.Console /corelib:System.Private.CoreLib
  1. Compile all projects one by one calling
cd <System.*>
build_vs2017_release.bat

How to compile CoreRT project

  1. Prepare CoreRT to build, run
init-tools.cmd
build.cmd

This should generate 'AsmOffsets.cs'. Ensure it is placed into folder <path_to_git>\corert\bin\obj\Native\Windows_NT.x64.Release\Runtime\Full\

  1. Build Core Lib
Cs2Cpp.exe /release <path_to_git>\corert\src\System.Private.CoreLib\src\System.Private.CoreLib.csproj /p:Platform=x64
  1. Compile it
cd System_Private_CoreLib
build_prerequisite_vs2017_release.bat 
build_vs2017_release.bat

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C# to C++ transpiler (Cs2Cpp) (Powered by Roslyn)

http://csnative.codeplex.com


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