[Geany-devel] In-memory tagmanager parsing

[Enrico Tröger]

On Mon, 19 Apr 2010 01:26:36 +0200, Colomban wrote:

Hi,


>>> Then, I would like to know what else didn't work, what need to be
>>> fixed, etc.; because I'd really love to have it working.
>> 
>> The parsers...
>Haha! I must admit I hoped a more precise answer :D

I feared about that...:).
For details, see below.


>> I don't remember all details (sigh, this is long time ago :( ), but I
>> think the main problem was that most parsers read the data from the
>> file so that it could not be easily converted to read from a buffer.
>> Only the few above mentioned parsers did it so that we could change
>> the underlying data to be a buffer instead of a real file.
>Hum, I don't fully understand. By "it" in the last sentence you mean
>read.[ch]?

Yes, "it" referred to the way the parsers read data from the source
files.


>>> parser must care about buffer VS file, wouldn't it be good to
>>> abstract this a little more? (with e.g. a little I/O layer - I
>>> already started a small library to check if it would be easy to
>>> emulate file I/O on buffer, and it seems not to be too hard)
>> 
>> Yeah, that would be a clean and proper solution and would probably
>> solve a lot of problems.
>> But before doing this, we need to decide whether we want to stay as
>> compatible as possible with the CTags project(which makes very slow
>> progress, almost dead) as we did before or whether we would spend
>> time on modernising the parsers and adjust them to work more like we
>> need it (not sure how many differences there would be at all though).
>> 
>> Once this decision is made, we can think about your question above
>> about an I/O abstracting layer.
>Yeah. I might say if it is so dead, it is hope not so far from
>blindness to wait for updates and fixes from it.
>But OTHO I completely understand that the simple idea of being the
>maintainer of it might be quite... scary.

That's the question for now, I guess. If we decide to not try to stay
compatible with CTags we maybe could adjust the parsers more easily to
fit our needs, especially to read data from a buffer and we could
easily use GLib functions in the parsers which could make the code a
bit easier and other things.
>From what I noticed (mainly reading svn log of the CTags repository),
it sees a few commits every few weeks or months mostly with fixes but no
real progress.
I think we could go away and push our tagmanager copy into our
direction but OTOH it might be not even worth.
Not sure.

What about the others, any opinions?

Regards,
Enrico

-- 
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