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Re: Garbage Collection for Cocoa?
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Re: Garbage Collection for Cocoa?


  • Subject: Re: Garbage Collection for Cocoa?
  • From: Frank Midgley <email@hidden>
  • Date: Mon, 3 Nov 2003 13:01:52 -0600

On Nov 2, 2003, at 4:42AM, Keith Bauer wrote:

I've been idly wondering whether it would be possible to get garbage collection in Objective C.

The Boehm-Demers-Weiser collector (used by GCJ, d2c, &c) seems quite stable on Mac OS X these days, so hopefully it would just be a matter of slotting GC_malloc into appropriate places in the ObjC runtime...

Does anyone know where I should start? Override +alloc for NSObject maybe? Or even lower -- somehow replace NSAllocateObject? Or lower still -- actually replace the system malloc?

Are there any obvious pitfalls awaiting me here?

I'm afraid Apple beat you to it by using a current gcc:

http://developer.apple.com/documentation/DeveloperTools/gcc-3.3/gcc/ Garbage-Collection.html

Unfortunately you may have to build a custom copy of gcc, but it can be done. Not sure what the runtime requirements are...

-Frank

------------------------------------
Frank M. Midgley
email@hidden
http://homepage.mac.com/knarf/
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  • Follow-Ups:
    • Re: Garbage Collection for Cocoa?
      • From: "Alastair J.Houghton" <email@hidden>
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References: 
 >Garbage Collection for Cocoa? (From: Keith Bauer <email@hidden>)

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