Which compiler supported with function pointer with default arguments?

Question

Which c++ compiler can compile next code?

void (*G2API_CopyGhoul2Instance)(CGhoul2Info_v &ghoul2From, 
                                 CGhoul2Info_v &ghoul2To, 
                                 int modelIndex = -1); //<--- That's it!

It is not my code and I have a lot of such things. I know that standart didn't allow such declaration, but this comment tells me that some compilers allow it.

P.S. This code from Star Wars Jedi Knight: Jedi Academy source.

Looks like something we'd do with std::function/std::bind today. Alternatively, it's easily wrapped in a custom functor, and operator() can have default parameters. — MSalters
– MSalters, Commented Apr 5, 2013 at 16:19

Murtuza Kabul · Accepted Answer · 2013-04-05 12:57:19Z

3

Can't suggest the compiler though I've found a useful link which lists out the fixes that are required to the code to successfully compile it with GCC compiler.

http://www.lucasforums.com/showthread.php?t=203922

Hope it is useful to you.

answered Apr 5, 2013 at 12:57

Murtuza Kabul

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Avega Over a year ago

Thanks a lot, but there is no answer for my trouble at this link. As I understood they tried to compile some sort of development kit for JKA. In my case it's not SDK it is whole JKA (almost whole).

Dmytro Ovdiienko · Accepted Answer · 2025-01-02 10:35:33Z

0

g++ v11.4 compiles that. The only thing is you should add -fpermissive parameter:

$ g++ -fpermissive x.cpp 
x.cpp:7:49: warning: default arguments are only permitted for function parameters [-fpermissive]
    7 |                                  int modelIndex = -1); //<--- That's it!
      |                                                 ^

answered Jan 2 at 10:35

Dmytro Ovdiienko

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