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Re: Carbon iPhone Programming

On May 31, 2008, at 7:58 PM, David Dunham wrote: 
Jim

The only difficulties that we faced with this approach was how to call Cocoa functions from C to trigger OpenGL context switching, since
changing all the .c extensions to .m was not an option.

My most recent cross-platform framework (not for iPhone) uses a small number of .mm files (Objective-C++), to help bridge the Cocoa side and the platform-agnostic C++. It's surprisingly easy to mix Objective-C and C++ in the same file.

The only problem is in header files -- while a .mm file can include something that uses both dialects, a .cpp file can't.

If you wish to have Xcode compile all your sources as Objective-C++, you can do that without renaming them. Search for the "Compile Source As" setting, and you can change the default "According to File Type" to C, Objective-C, C++, or Objective-C++.

Cheers,

--Dave

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