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Re: Objective-C++
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Re: Objective-C++


  • Subject: Re: Objective-C++
  • From: Uli Kusterer <email@hidden>
  • Date: Tue, 12 Feb 2008 13:24:05 +0100

On 11.02.2008, at 18:06, Scott Andrew wrote:
We did a photoshop plugin at my day job using Objective C++. We started the project by creating a Cocoa Plug-in then just changed the file names to .mm and made sure we always created the names with .mm.


IMHO it helps code organization (especially for cross-platform code) if you try to keep C++, ObjC and ObjC++ separate. It means that all your Mac-specific code is ObjC, all your platform-neutral code is C++, and the glue between them is easily distinguishable because it's ObjC+ +. Makes it easier to avoid that anyone introduces code that may break the other platforms.

On 11.02.2008, at 19:42, Simone Tellini wrote:
I usually set the "Compile Sources As" project option to "Objective-C ++" instead of bothering to rename all the files to .mm

I've had problems with this. There are subtle differences between how C and C++ interpret the same (C-) statements. So, if you have to keep using other peoples' C code and need to update it when they do, if you do this compiler switch, you will suddenly get oodles of wrong warnings from the C++ compiler, and on rare occasions even errors or crashes. So, I like to compile everything the way it was specified as its suffix, and if I have code that expects to be run through a C++ compiler, is external and has .c suffixes, I put them in a separate project.


Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de





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References: 
 >Objective-C++ (From: Philip Bridson <email@hidden>)
 >Re: Objective-C++ (From: Philip Bridson <email@hidden>)
 >Re: Objective-C++ (From: John Stiles <email@hidden>)
 >Re: Objective-C++ (From: Philip Bridson <email@hidden>)
 >Re: Objective-C++ (From: "Herb Petschauer" <email@hidden>)
 >Re: Objective-C++ (From: "Herb Petschauer" <email@hidden>)
 >Re: Objective-C++ (From: Philip Bridson <email@hidden>)
 >Re: Objective-C++ (From: "Herb Petschauer" <email@hidden>)
 >Re: Objective-C++ (From: Philip Bridson <email@hidden>)
 >Re: Objective-C++ (From: "Herb Petschauer" <email@hidden>)
 >Re: Objective-C++ (From: Jens Miltner <email@hidden>)
 >Re: Objective-C++ (From: Scott Andrew <email@hidden>)

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