asOop cleaning The Trunk: Kernel-bf.225.mcz

> From: [hidden email]
> Date: August 22, 2009 5:25:58 PM CEDT
> To: [hidden email]
> Subject: [squeak-dev] The Trunk: Kernel-bf.225.mcz
> Reply-To: [hidden email]
>
> Bert Freudenberg uploaded a new version of Kernel to project The  
> Trunk:
> http://source.squeak.org/trunk/Kernel-bf.225.mcz
>
> ==================== Summary ====================
>
> Name: Kernel-bf.225
> Author: bf
> Time: 22 August 2009, 5:25:40 am
> UUID: f47aa5b7-b450-4ed2-8237-26841337ce18
> Ancestors: Kernel-ar.217
>
> Clarify the meaning of #asOop in Squeak.
>
> =============== Diff against Kernel-ar.217 ===============
>
> Item was changed:
>  ----- Method: Object>>asOop (in category 'system primitives') -----
>  asOop
> + "This method is for compatibility only.
> + In Smalltalk, this used to return an integer unique to each object.
> + In Squeak, OOPs are internal to the VM.  Accessing an OOP would  
> be useless anyway since it changes when the object is moved during  
> garbage collection."
> - "Primitive. Answer a SmallInteger whose value is half of the  
> receiver's
> - object pointer (interpreting object pointers as 16-bit signed  
> quantities).
> - Fail if the receiver is a SmallInteger. Essential. See Object  
> documentation
> - whatIsAPrimitive."
>
> + ^self identityHash!
> - <primitive: 75>
> - self primitiveFailed!
>
> Item was removed:
> - ----- Method: SmallInteger>>asOop (in category 'system  
> primitives') -----
> - asOop
> - "Answer an object pointer as an integer, return negative number  
> for SmallInteger"
> -
> - ^ self!
>
>