[Haskell-cafe] hsffig and duplicate typedef declarations

Don Stewart dons at galois.com
Thu May 14 00:59:39 EDT 2009

> 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)

-- Don

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