Re: [Caml-list] Detecting dead code, discovering a project's structure...

[Arnaud Spiwack <aspiwack@lix.polytechnique.fr>]

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Dear Yoann,

Could you give the relevant commands to be used in an ocaml project (in
particular, it seems that `scheck -lang ml` fails with "unsuported
language") ?

On 15 January 2015 at 19:16, yoann padioleau <aryx.padator@gmail.com> wrote:

> Indeed the codegraph tool, part of Pfff, does some
> global analysis of an ocaml project using the .Mt (generated by ocamlc
> -bin_annot) and generates
> an index of a codebase (a graph_code.marshall file).
> Not all features of Ocaml are supported though (e.g. functors).
>
> Once the graph_code.marshall file has been generated,
> you can use check, also part of pfff, to detect dead code
> or other errors.
>
>
> https://github.com/facebook/pfff/wiki/CodeGraph
> https://github.com/facebook/pfff/wiki/Scheck
>
>
> On Jan 8, 2015, at 7:50 AM, Ashish Agarwal <agarwal1975@gmail.com> wrote:
>
> Maybe Pfff:
> https://github.com/facebook/pfff
>
> On Thu, Jan 8, 2015 at 10:33 AM, Goswin von Brederlow <goswin-v-b@web.de>
> wrote:
>
>> On Thu, Jan 08, 2015 at 02:48:12PM +0100, Stéphane Glondu wrote:
>> > Le 08/01/2015 14:31, Sébastien Hinderer a écrit :
>> > > Are there tools / techniques one could use to make it easier to
>> > > discover / explore the source code of a big OCaml project?
>> > >
>> > > In particular,  are there any tools available to help finding dead
>> code
>> > > or coe that may need some refactoring?
>> > >
>> > > Many thanks for any suggestion.
>> >
>> > One suggestion: http://home.gna.org/oug/index.fr.html
>> >
>> >
>> > Cheers,
>>
>> That looks cool. But that still needs a lot of manual filtering to get
>> results, e.g. to find an unused type or function specified in the
>> input signature for a functor.
>>
>> It could be nice for ocaml to have warnings for this directly. E.g.:
>>
>> module type M = ssig type t type s val x : int end
>> moduel F(M : M) = struct type t = M.t end
>>
>> Warning: unused value x in signature M for functor F
>> Warning: unused type s in signature M for functor F
>>
>> Similar for types / values defined but not used in .ml files that do
>> not appear in the .mli file.
>>
>> MfG
>>         Goswin
>>
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>
>
>

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