Re: A library to build Lua AST

[Alexander Gladysh <agladysh@...>]

On Sat, Sep 7, 2013 at 1:12 AM, Alexander Gladysh <agladysh@gmail.com> wrote:
> On Sat, Sep 7, 2013 at 12:31 AM, Hisham <h@hisham.hm> wrote:
>> On 6 September 2013 15:22, Alexander Gladysh <agladysh@gmail.com> wrote:
>>> Hi, list,
>>>
>>> A lazy question here.
>>>
>>> I need to build Lua 5.1 AST for a bunch of files — as a bunch of
>>> nested plain Lua tables.
>>>
>>> I.e., more or less, what Metalua does.
>>>
>>> I do not need that library to do anything with these tables — I'll
>>> manage that myself (but I can just ignore extra functionality, no
>>> problem — as long as it is not too bloated).
>>>
>>> Last time I looked (several years ago), Metalua was not a very clean
>>> solution (if I remember correctly). I would like a plain Lua 5.1 code,
>>> supported by LuaJIT, installable as a neat and self-contained rock,
>>> which would not affect anything in my environment and do what it is
>>> told.
>>>
>>> I see that several new libraries appeared on a horizon, and Metalua
>>> itself moved on a bit.
>>>
>>> Is there something out there that will suit my desires? Or what I can
>>> adapt reasonably well?
>>
>> Not sure if it does what you want, but did you check out Leg? It has a
>> Lua 5.1 grammar in LPeg, and it's available as a rock.
>
> I did not (for reasons mentioned below), but I will. As I said, this
> is a lazy question :-)
>
> But projects which were not updates since luaforge demise make me
> worry. Also, this project depends on LPeg and was not updated after
> LPeg was rewritten by Roberto — which is a bad sign too.
>
> ...Well I'm looking at the Leg docs now, but I do not see AST-related
> stuff. Looks like I'd have to build it myself if I will go with Leg.
> Is there anything higher-level out there?

LuaFish probably does something close to what I need:
http://lua-users.org/wiki/LuaFish. It is not supported and was
superseded by Metalua-based LuaInspect, as I understand...

Cheese and LuaParse are quite old too, and do not do what I need...

Anything else out there?

Alexander.