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frabert/NetLua: Completely managed .NET Lua

原作者: [db:作者] 来自: 网络 收藏 邀请

开源软件名称(OpenSource Name):

frabert/NetLua

开源软件地址(OpenSource Url):

https://github.com/frabert/NetLua

开源编程语言(OpenSource Language):

C# 100.0%

开源软件介绍(OpenSource Introduction):

NetLua

Project description

NetLua is a completely managed interpreter for the Lua dynamic language. It was inspired by (and the LuaObject class is loosely based on) AluminumLua by Alexander Corrado. Check his project out at http://github.com/chkn/AluminumLua

Why?

I started this project because I needed a managed Lua interpreter and AluminumLua had a few bugs and caveats that were difficult to solve because of its structure. I so decided to do my own attempt at it.

Source code parsing

As of now, the parsing is made using Irony, but any LALR parser can be used to build the internal AST interpreted by NetLua. Irony looks a bit slow, but it is the easiest solution for a neat C# LALR Parser.

Examples

Using Lua from C#

Lua lua = new Lua();
lua.DoString("a={4, b=6, [7]=10}"); // Interpreting Lua

var a = lua.Context.Get("a"); // Accessing Lua from C#
var a_b = a["b"].AsNumber();

double number = a[7]; // Automatic type coercion

Registering C# methods

static LuaArguments print(LuaArguments args)
{
  string[] strings = Array.ConvertAll<LuaObject, string>(args, x => x.ToString()); // LuaArguments can be used as a LuaObject array
  Console.WriteLine(String.Join("\t", strings));
  return Lua.Return(); // You can use the Lua.Return helper function to return values
}

Lua lua = new Lua();
lua.Context.SetGlobal("print", (LuaFunction)print);

Using .NET 4.0 dynamic features

dynamic lua = new Lua();
dynamic luaVariable = lua.var; // Lua.DynamicContext provides a dynamic version of Lua.Context

double a = luaVariable.numberValue; // Automatic type casting
double d = luaVariable.someFunc(a); // Automatic function arguments and result boxing / unboxing

lua.x = 5;

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上一篇:
jonstoler/class.lua: object-oriented library for lua发布时间:2022-08-16
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DelusionalLogic/pngLua: A pure lua implementation of a PNG decoder发布时间:2022-08-16
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