Re: [pygccxml-development] inline asm

[Matthias B. <mat...@gm...>]

Roman Yakovenko wrote:
> On Sat, Aug 16, 2008 at 11:23 AM, Thomas Rab <tho...@gm...> wrote:
>> Now that I have my other problem solved.. does py++ support inline asm?
> 
> What do you mean? Any way the answer is "no".

Maybe he rather means whether *gccxml* supports inline asm. I actually 
don't know the answer to that but I would imagine that it supports the 
same syntax that gcc supports. Seeing that the posted code has a #ifdef 
WIN32, it looks like those assembler statements might only be understood 
by the Microsoft compiler.

If this is the problem then it's similar to a problem I once had on OSX 
where some system headers use code in some inline functions that is 
specific to Apple's version of gcc. Of course, gccxml didn't understand 
those things and issued an error.
My workaround to this problem was to create local copies of those system 
headers and remove the function bodies. I could then use those copies 
when running gccxml and use the original headers when compiling the 
code. It's a bit awkward, but it works.

>> NX_INLINE void NxMath::sinCos(NxF32 f, NxF32& s, NxF32& c)
>>     {
>> #ifdef WIN32
>>         NxF32 localCos, localSin;
>>         NxF32 local = f;
>>         _asm    fld        local
>>         _asm    fsincos
>>         _asm    fstp    localCos
>>         _asm    fstp    localSin
>>         c = localCos;
>>         s = localSin;
>> #else
>>         c = cosf(f);
>>         s = sinf(f);
>> #endif
>>     }
>> It's from the PhysX sdk :P
>> This function is in a different header than I'm trying to bind, so this may
>> be my issue. How do I exclude a member function if it's in a different
>> header than I'm binding? 

It doesn't matter in which header a function is declared (unless you 
explicitly restrict a query to certain headers).

>> I tried doing it just the way I normally would:
>> foo = mb.member_function("foo")
>> foo.exclude()
>> That didn't work. I also tried specifying the class:
>> bar = mb.class_("bar")
>> foo = bar.member_function("foo")
>> foo.exclude()

Is the NxMath class inside a namespace? Then you would have to search 
that namespace instead of the root namespace (or use the recursive flag).

>> But that didn't work either. -Tom

What do you mean by "it didn't work"? Did it produce an error message? 
If so, what was that error? Or did everything run fine but your Python 
module just contained more stuff than you wanted?
As Roman said, you should be more specific as to what the actual problem 
is (it might also help knowing if you are actually on Windows or not (or 
if you did define WIN32 yourself)).

- Matthias -