Re: Simulating Lua states in Lua with only 250 lines of code

[Nagaev Boris <bnagaev@...>]

On Sat, Jun 27, 2015 at 6:34 AM, Dirk Laurie <dirk.laurie@gmail.com> wrote:
> 2015-06-27 3:22 GMT+02:00 Soni L. <fakedme@gmail.com>:
>> Lua is a programming language. You should be able to use it to its fullest
>> extent from itself.
>
> This is a little like saying: "Mathematics is logical. You should
> be able to build it up logically from within itself."
>
> Lua is an extension programming language. It has no notion of a "main"
> program: it only works embedded in a host client.
>
> The API contains mainly routines needed when you want to augment
> Lua with stuff better done in C, but it also contains the routines needed
> for writing a host client.
>
> I'm willing to agree that routines whose first argument is a lua_State*
> should be accessible from a standard library. Even this point has not
> been conceded by the Lua team: I've several times asked for access
> to lua_concat (which respects __concat), always without success.

Would it work like

local a = "foo"
local b = "bar"
local c = debug.lua_concat(2)
print(c) --> "foobar"
print(a) --> nil?
print(b) --> nil?

?

-- 


Best regards,
Boris Nagaev