Re: luajit: any way to make array initialization zero-based?

[Coda Highland <chighland@...>]

On Wed, Jun 13, 2012 at 5:07 PM, Chris <coderight@gmail.com> wrote:
> In LuaJIT there is no penalty for using zero-based indexing, it's even
> recommended but the problem is that the Lua tables (non-FFI) are not
> by default zero-based.  For example:
> foo = { 0, 1, 2, 3 }
>
> You will get a one-based array.  Understandable to be compatible with
> regular Lua code but annoying if you have no need for that. It's very
> confusing for end users when you're using LuaJIT as a scripting
> language and using FFI.  In fact it's confusing for me too, I can't
> count how many times I use the wrong index.  Forcing the FFI types to
> use one-based indexing doesn't work either when that data needs to go
> to a native API (eg. OpenGL vertex data or something;  it can be faked
> but you take a serious performance hit).  Off the top of my head I
> can't think of any other of the API functions that are one-based by
> default but those would need to be patched as well if there are any.
>
> Anybody have a patch to "fix" this?  I suppose something to make the
> FFI arrays one-based would work just as well.  I would just like it to
> be consistent across the board, whatever scheme. Compile option for
> LuaJIT would be awesome, maybe it's already there.
>
> Thanks
> CR
>

foo = { [0]=0, 1, 2, 3 }

Problem solved.

/s/ Adam