Hi Kenneth, please see my comment here:
https://github.com/alavrik/piqi-ocaml/issues/7 I've added a small change
that should help.

Anton

On Tue, Jun 9, 2015 at 3:48 PM, Kenneth Adam Miller <
kennethadammiller@gmail.com> wrote:

> To be more clear, after I thought about it a bit more, I think what I need
> is definitely one of two things, either:
>
> 1) to edit is the include path, either for ocamlbuild or oasis. The
> problem is, the implementation for a module is already in the library
> path... In this way, it will know where to find the appropriate ml, or cmi,
> cmo/x
> 2) tell piqi how to fully qualify the module into the other library.
>  -> http://piqi.org/doc/ocaml/#piqitoocamlmapping
> Speak of the devil, I think that might be it!
>
> *edit*
> OK, so I think I got it down... now it's just a piqi usage issue.I can
> edit the library interface that I'm using to expose that functionality. Now
> I need to know:
>
> .import [ module stmt .name XYZ ]
>
> once I expose the module name, and I should be able to force it to be
> fully qualified with the above. Problem is, I need to have the module name
> be Bap.Std.Bap_types.Bil_types.Bil_piqi; the periods are required. Problem:
> I can't put periods or '/' in the name of the module in order to get it to
> work. Variations on quotes didn't seem to make a difference either...
>
> How to get piqi to accept a fully qualified name?
>
> On Tue, Jun 9, 2015 at 4:34 PM, Kenneth Adam Miller <
> kennethadammiller@gmail.com> wrote:
>
>> I've been using piqi for quite a while and it's done wonders for me.
>>
>> Lately though, I've had some issues with transforming some types provided
>> by another library into a piqi representation.
>>
>> Essentially, I'm at a crossroads where I'm running into a compile error,
>> and I'm not sure how to fix it. Here's the root of my problem:
>>
>> Error: This expression has type Stmt_piqi.stmt list list
>>        but an expression was expected of type
>>          Bapservice_piqi.Bapservice_piqi.lifted_region =
>>            Bapservice_piqi.Bapservice_piqi.stmt_list list
>>        Type Stmt_piqi.stmt list is not compatible with type
>>          Bapservice_piqi.Bapservice_piqi.stmt_list =
>>            Bapservice_piqi.Bapservice_piqi.stmt list
>>        Type Stmt_piqi.stmt is not compatible with type
>>          Bapservice_piqi.Bapservice_piqi.stmt =
>>            [ `cpuexn of Bapservice_piqi.Bapservice_piqi.cpuexn
>>            | `if_stmt of Bapservice_piqi.Bapservice_piqi.if_stmt
>>            | `jmp of Bapservice_piqi.Bapservice_piqi.jmp
>>            | `move of Bapservice_piqi.Bapservice_piqi.move
>>            | `special of Bapservice_piqi.Bapservice_piqi.special
>>            | `while_stmt of Bapservice_piqi.Bapservice_piqi.while_stmt ]
>>
>>
>>
>> lifted_region is defined in my piqi file as a stmt list list (a list of
>> instructions). Here's the part that I don't know: in piqi do I import the
>> module instead of including it in order to get the compiler to see that the
>> types are equivalent?
>>
>> (because they are, this is very much like debugging a phantom type error.
>> Stmt_piqi.stmt is the same as Bapservice_piqi.stmt).
>>
>> My thinking with the above question is that if I import the module in
>> piqi, then the piqi command will *not* generate a whole new ml, different
>> entirely to the ml that was compiled and included in the library that I'm
>> using, bap (it currently *is*). In that case, the types will be equivalent
>> and everything will compile nicely.
>>
>> But I attempted to import the module in my piqi file, and that results in
>> some compile error that I don't know how to solve:
>>
>> Unbound module Stmt_piqi.
>>
>> Naturally, in my makefile for generating ml of piqi encoder/decoder ocaml
>> modules, I have an include that points to the folder that contains the bap
>> stmt.piqi file. So the piqi ocaml command succeeds, but now I need to tell
>> ocaml how to resolve the stmt_piqi module (compiled away in
>> bap.serialization). I'm using oasis, and I already have bap.serialization
>> in my depends, and the generated piqi ml file is auto detected and the
>> correct bap.serialization is propagated through as a specified package on
>> the command line.
>>
>> How do I get the compiler to either see type equivalence of the
>> Bapservice_piqi.stmt type or to know where to get the Stmt_piqi module?
>>
>
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