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Author Topic: Langage interfacing  (Read 3942 times)

Offline henrin

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Langage interfacing
« on: September 09, 2022, 03:34:39 PM »
I dislike C++ but ... some nice functions are available in C++ only.
Calling them from C is a problem because of the parameter passing convention (th hidden first argument 'this').

I suppose it should not be very difficult to have a function attribute  __cppcall in addition to  __cdecl,  __fastcall,  __stdcall.

Is that a stupid suggestion?

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Offline frankie

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Re: Langage interfacing
« Reply #1 on: September 09, 2022, 05:44:15 PM »
Not clear what is the point.
C++ functions generally are __stdcall which first argument is a pointer to the class that is added transparently from compiler which knows the class the function belongs to.
In plain C the new function specifier what should be for? Without the whole C++ infrastructure what the compiler is supposed to do differently from the other specifiers?
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"It is better to be hated for what you are than to be loved for what you are not." - Andre Gide

Offline John Z

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Re: Langage interfacing
« Reply #2 on: September 10, 2022, 02:33:21 PM »
Quote from: henrin on September 09, 2022, 03:34:39 PM
I dislike C++ but ... some nice functions are available in C++ only.
Calling them from C is a problem because of the parameter passing convention (th hidden first argument 'this').

Maybe this forum thread will be helpful to you:
https://forum.pellesc.de/index.php?topic=10573.0

John Z
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