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CSharp.lua

The C# to Lua compiler.

Introduction

CSharp.lua is a C# to Lua compiler. Write C# then run on lua VM.

  • Build on Microsoft Roslyn. Support for C# 10.
  • Highly readable code generation. C# AST ---> Lua AST ---> Lua Code.
  • Provides CoreSystem.lua library, can run away of CLR.
  • Build by .NET Core, Ability to across platforms.

Sample

C# code

usingSystem;namespaceHelloLua{publicstaticclassProgram{publicstaticvoidMain(){Console.WriteLine("hello lua!");}}}

To Lua

-- Generated by CSharp.lua CompilerlocalSystem=SystemSystem.namespace("HelloLua", function (namespace) namespace.class("Program", function (namespace) localMainMain=function () System.Console.WriteLine("hello lua!")
endreturn {
Main=Main
}
end)
end)

Try Live

https://yanghuan.github.io/CSharpLuaWeb/index.html

How to Use

Command Line Parameters

D:\>dotnet CSharp.Lua.Launcher.dll -h
Usage: CSharp.lua [-s srcfolder] [-d dstfolder]
Arguments
-s : can be a directory where all cs files will be compiled, or a list of files, using ';' or ',' to separate
-d : destination directory, will put the out lua files
Options
-h : show the help message and exit
-l : libraries referenced, use ';' to separate
if the librarie is a module, whitch is compield by CSharp.lua with -module arguemnt, the last character needs to be '!' in order to mark -m : meta files, like System.xml, use ';' to separate
-csc : csc.exe command argumnets, use ' ' or '\t' to separate
-c : support classic lua version(5.1), default support 5.3
-a : attributes need to export, use ';' to separate, if""-a"" only, all attributes whill be exported
-e : enums need to export, use ';' to separate, if""-e"" only, all enums will be exported
-ei : enums is represented by a variable reference rather than a constant value, need to be used with -e
-p : do not use debug.setmetatable, in some Addon/Plugin environment debug object cannot be used
-metadata : export all metadata, use @CSharpLua.Metadata annotations for precise control
-module : the currently compiled assembly needs to be referenced, it's useful for multiple module compiled
-inline-property: inline some single-line properties
-include : the root directory of the CoreSystem library, adds all the dependencies to a single file named out.lua
-noconcurrent : close concurrent compile

Make sure that .NET 11.0 is installed. https://dotnet.microsoft.com/download/dotnet/11.0

Download

https://github.com/yanghuan/CSharp.lua/releases

CoreSystem.lua

CoreSystem.lua library that implements most of the .NET Framework core classes, including support for basic type, delegate, generic collection classes & linq. The Converted lua code, need to reference it

Example

  • fibonacci, a console program code, print Fibonacci number.

Documentation

https://github.com/yanghuan/CSharp.lua/wiki

License

Apache 2.0 license.

Acknowledgements

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The C# to Lua compiler

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