[erlang-questions] Generating skeleton linked-in driver code using an IDL?
Tue Mar 10 06:50:15 CET 2009
Torbjorn Tornkvist wrote:
> Michael Truog <mjtruog@REDACTED> writes:
>> Jani Hakala wrote:
>>> I have looked at some of the code generation tools that are supposed
>>> to help developing linked-in drivers. They (ETDK, DryvErl and the
>>> proposed Foreign Function Interface) seem to focus on how to call
>>> C-functions. I would be more interested about a tool that could be
>>> used to define message structures and operations supported by a
>>> linked-in driver. Those operations would call C/C++ functions in a way
>>> that would not be visible outside the driver (facade pattern).
>> I created the Generic Erlang Port Driver to have an easy way to
>> automatically generate a port driver or port for C or C++. The code
>> generation does not rely on an idl file but instead uses
>> boost::preprocess to use macros. The code is still in development, but
>> should provide another way of creating port drivers automatically. The
>> port drivers are generated only with usage of outputv, for efficiency.
>> The message structure is determined from basic types passed with the
>> native byte order. A facade pattern could easily be added as an
>> interface to the port driver. You can find the code here:
> I think 'gepd' should live as a nice little project of its own (e.g at
> (Ps. it reminds me about old IG (may it rest in peace):
> http://www.tornkvist.org/gitweb?p=ig.git;a=summary )
My hope is that gepd can be:
- An efficient and easy way to integrate between Erlang and C/C++
- Reusable code that supports hot code swapping for port drivers and ports
So, I want gepd to do more than just generate interfaces, but grow to be
generic integration code for any C and C++ code.
The github address is:
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