Handling command line arguments?

[Artyom Shalkhakov]

Hi all,

Is there a ready-made library for handling command line parameters?

So far I found the following:

https://github.com/githwxi/ATS-Postiats/blob/master/utils/jsonlst2arr/jsonlst2arr.dats

Which sets up an example of what HX thinks should be done to deal with command-line arguments. Would somebody like to move it into a library?

[Hongwei Xi]

Good point!

I have some ideas about this. I will make a package shortly.

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[gmhwxi]

I have just got started working on it. In case you'd like to see
the progress:

https://github.com/githwxi/ATS-Postiats/tree/master/contrib/atscntrb-hx-getargs

I set things up in a way that allows the code to work inside ATS and also work as
a stand-alone package.

On Wednesday, May 10, 2017 at 8:59:22 AM UTC-4, gmhwxi wrote:

Good point!

I have some ideas about this. I will make a package shortly.

[gmhwxi]

Now, this package is functioning.

Please see the test01 example in TEST for a typical case
of using it.

The package is template-based. One can adapt it by re-implementing
some of the templates.

Maybe someone could write a bit of documentation on the package, but...

In any case, I wrote it in a way that should minimize the need for
documentation, which I see as a true luxury in software development that
we could not really afford.

Ideally, code should document itself :) Templates in ATS can offer great
help in this regard.

Cheers!

[Artyom Shalkhakov]

On Saturday, May 13, 2017 at 6:38:59 PM UTC+6, gmhwxi wrote:

Now, this package is functioning.

Please see the test01 example in TEST for a typical case
of using it.

The package is template-based. One can adapt it by re-implementing
some of the templates.

Maybe someone could write a bit of documentation on the package, but...

In any case, I wrote it in a way that should minimize the need for
documentation, which I see as a true luxury in software development that
we could not really afford.

Ideally, code should document itself :) Templates in ATS can offer great
help in this regard.

Thank you! I will take a look as soon as time permits.

I see that you use libats/ML a lot in this library. I'm not familiar with it, will need some time to explore it.

Cheers!

On Wednesday, May 10, 2017 at 9:32:01 PM UTC-4, gmhwxi wrote:

I have just got started working on it. In case you'd like to see
the progress:

https://github.com/githwxi/ATS-Postiats/tree/master/contrib/atscntrb-hx-getargs

I set things up in a way that allows the code to work inside ATS and also work as
a stand-alone package.

On Wednesday, May 10, 2017 at 8:59:22 AM UTC-4, gmhwxi wrote:

Good point!

I have some ideas about this. I will make a package shortly.

On Wed, May 10, 2017 at 1:00 AM, Artyom Shalkhakov <artyom...> wrote:

Hi all,

Is there a ready-made library for handling command line parameters?

So far I found the following:

https://github.com/githwxi/ATS-Postiats/blob/master/utils/jsonlst2arr/jsonlst2arr.dats

Which sets up an example of what HX thinks should be done to deal with command-line arguments. Would somebody like to move it into a library?

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[gmhwxi]

Libats/ML mostly consists of convenience wrappers for
functions defined in prelude and libats.

If performance is a non-issue, I would prefer to use libats/ML
as it can save me a lot of coding time.

[Artyom Shalkhakov]

On Monday, May 15, 2017 at 11:00:50 PM UTC+6, gmhwxi wrote:

Libats/ML mostly consists of convenience wrappers for
functions defined in prelude and libats.

If performance is a non-issue, I would prefer to use libats/ML
as it can save me a lot of coding time.

I wrote a getopt-style, retro 80's library:

https://github.com/ashalkhakov/atscntrb-as-getopt

Doesn't get more hip than that, I suppose. :-)

This one is written primarily to deal with environments where GC is to be avoided (I'm going to use it for ats3d). I also wanted to push forward the ATS-as-a-better-C/C++ idea.

[gmhwxi]

I have just got a bit of time to look at the code.
There are quite a few advanced features in use here :)

By the way, you could alse use C++ data structures in your code:

https://github.com/githwxi/ATS-Postiats/tree/master/contrib/ats2cpp
https://github.com/githwxi/ATS-Postiats/tree/master/contrib/ats2cpp/STL

[Артём Шалхаков]

I'm not terribly good at C++, but thanks, will take a look!

The v2 of the library in the works, due to be released next week. Fixes a few things and adds some new features.

---

From: gmhwxi
Sent: ‎5/‎20/‎2017 6:39 PM
To: ats-lang-users
Subject: Re: Handling command line arguments?

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