Re: Help Mixing Objective-C & Objective-C++
Re: Help Mixing Objective-C & Objective-C++
- Subject: Re: Help Mixing Objective-C & Objective-C++
- From: Kyle Sluder <email@hidden>
- Date: Wed, 23 Feb 2011 10:56:06 -0800
On Wed, Feb 23, 2011 at 10:47 AM, James Bucanek <email@hidden> wrote:
> I have a couple of large Cocoa projects that suddenly need to use some C++
> libraries (3D graphics stuff). I assume that I can simply start creating
> Objective-C++ classes to contain this code, but I'm wondering how to cleanly
> integrate the new Objective-C++ classes with the existing Objective-C
> classes. Naturally, I need to send messages from my Objective-C classes to
> my Objective-C++ classes, and vice versa.
This isn't how Objective-C++ works. Objective-C++ lets you include C++
and Objective-C code in the same module. You can send messages from
C++ classes to Objective-C objects, and you can call C++ code from
Objective-C methods.
It does not unify the Objective-C and C++ class hierarchies. They are
incompatible. Please read the "Using C++ with Objective-C" section of
The Objective-C Programming Language guide:
http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjectiveC/Articles/ocCPlusPlus.html
--Kyle Sluder
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