[Haskell-cafe] hsffig and duplicate typedef declarations
heringtonlacey at mindspring.com
Thu May 14 01:10:40 EDT 2009
At 9:59 PM -0700 5/13/09, Don Stewart wrote:
>> I have a large body of C/C++ code at work that I'd like to be able to
>> access from Haskell via FFI. Because the interface to this code is
>> broad, hsffig would seem to be ideal for the task.
>> I've run across one serious hitch, though. The existing #include file
>> graph is complicated and ends up declaring some typedefs multiple times
>> (albeit in consistent ways). While gcc (for example) rejects such
>> practice, the Windows C compiler we're using accepts it. Does anyone know
>> how feasible it would be to get hsffig to accept such practice as well?
>> I've started looking at the hsffig code (and discovered that the C
>> grammar hsffig uses seems to get confused by duplicate typedefs), but
>> thought I'd ask the list in parallel with my further study.
>Have you looked at c2hs? (I'm not sure how familiar people are with
>hsffig, but Dimitry Golubovsky can probably comment)
Yes, I started this journey with c2hs. Then I moved to hsc2hs, which
appeared to be a "standardized" version of the same approach. But my
interface consists of hundreds (maybe thousands) of #defines,
structs, typedefs, etc., so I quickly tired of the boilerplate
wrapping code, modest as it is.
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