Re: [Quantlib-dev] [Quantlib-users] QuantLib SWIG C# - Calling Conventions (cdecl/stdcall) issue

[Luigi B. <lui...@gm...>]

Hello Fabrice,
    yes, adding the configurations would be nice, thanks.

Luigi


On Sat, Jul 2, 2016 at 12:07 PM Fabrice Lecuyer <fab...@gm...>
wrote:

> Hi all,
>
>
>  (email already sent as a non member, apologies if it creates a duplicate)
>
>
> I’ve been building QuantLib & QuantLib SWIG “as is” with VS14 for use with
> C# and came across an initial error when running in debug, where visual
> studio breaks giving a PInvoke stack imbalance error, as described in this
> old thread:
>
>
> https://sourceforge.net/p/quantlib/mailman/quantlib-users/thread/33276539.post%40talk.nabble.com/#msg28797382
>
> I first tried the solution described in this thread (modifying the SWIG
> generated file to add calling convention = cdecl) and all seemed ok for a
> while.
>
> The next problem appeared when QuantLib C++ was throwing an error, the C#
> wasn’t catching it and instead crashing with a memory imbalance error.
> Again, this is described in the thread below, but this time without a
> solution.
>
> In order to catch the thrown C++ error, I’ve had to revert to the original
> SWIG generated C# source file, and instead build QuantLib C++ using the
> stdcall calling convention (default in VS14 proj files is cdecl).
>
> Now everything is good, but I just wanted to ask around to other C# users
> if this is a problem they have had, if they solved it this way that I’m
> safe to assume I won’t find another issue of the kind down the line, or if
> I’m unnecessarily complicating things.
>
> If this is indeed the best solution, would adding build configurations for
> stdcall be considered? Happy to provide the updated vcproj files if yes.
>
>
>
> Regards,
>
> Fabrice.
>
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