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Re: What does "tag space" mean?
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From: |
Aurélien Aptel |
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Subject: |
Re: What does "tag space" mean? |
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Date: |
Fri, 1 Mar 2013 14:21:45 +0100 |
On Fri, Mar 1, 2013 at 1:39 PM, Xue Fuqiao <xfq.free@gmail.com> wrote:
> What does "tag space" mean here? I had searched the manual and web, but I
> didn't find anything useful. Can anybody help? Thanks.
Lisp_Objet use 3 bits to store types ie. to "tag" a pointer. Thus, tag
space can hold 2^3 values.
I've started to write a small guide to the C code on emacswiki [1].
Any contribution welcome :)
http://www.emacswiki.org/emacs/HackerGuide