← LuaK

val globals = Globals().apply {
    load(BaseLib())
    load(PackageLib())
    load(Bit32Lib())
    load(TableLib())
    load(StringLib())
    load(CoroutineLib())
    LoadState.install(this)
    LuaC.install(this)
}

val textStack = uiVerticalStack(padding = 8f, adjustSize = false).xy(10, 10)

fun luaprintln(str: String) {
    println("LUA_PRINTLN: $str")
    textStack.text(str)
    //kotlin.io.println()
}

// Overwrite print function
globals["print"] = object : VarArgFunction() {
    override fun invoke(args: Varargs): Varargs {
        val tostring = globals["tostring"]
        val out = (1 .. args.narg())
            .map { tostring.call(args.arg(it)).strvalue()!!.tojstring() }
        luaprintln(out.joinToString("\t"))
        return LuaValue.NONE
    }
}
val result = globals.load(
    //language=lua
    """
    function max(a, b)
        if (a > b) then
            return a
        else
            return b
        end
    end
    a = 10
    res = 1 + 2 + a + max(20, 30)
    print(res - 1)
    b = {}
    b[1] = 10
    print(b)
    for i=4,1,-1 do print(i) end
    
    
    co = coroutine.create(function ()
       for i=1,5 do
         --print("co", i)
         coroutine.yield("co" .. i, i + 1)
       end
       return "completed"
     end)
     
    function coroutine_it (co)
      return function ()
            local code, res = coroutine.resume(co)
            if code then
                return res 
            end
     end
    end

    for i in coroutine_it(co) do
        print("for", i)
    end
    
    --for i=1,12 do
    --    local code, res = coroutine.resume(co)
    --    print(code, res)
    --end
    print("ENDED!")

    return res
""").callSuspend()

luaprintln(result.toString())