From: Xue Fuqiao <xfq.free@gmail.com>
To: "Aurélien Aptel" <aurelien.aptel+emacs@gmail.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: What does "tag space" mean?
Date: Fri, 1 Mar 2013 21:39:15 +0800 [thread overview]
Message-ID: <20130301213915.4ce772ed5a4ea5a8e256f970@gmail.com> (raw)
In-Reply-To: <CA+5B0FP96_Os30SZ_U0Rxa=ZNghh6W84Xfsndp9t2wJyQ7P2AA@mail.gmail.com>
On Fri, 1 Mar 2013 14:21:45 +0100
Aurélien Aptel <aurelien.aptel+emacs@gmail.com> wrote:
> On Fri, Mar 1, 2013 at 1:39 PM, Xue Fuqiao <xfq.free@gmail.com> wrote:
> > What does "tag space" mean here?
> Lisp_Object use 3 bits to store types ie. to "tag" a pointer. Thus, tag
> space can hold 2^3 values.
Ah, I see, thanks.
> I've started to write a small guide to the C code on emacswiki [1].
> Any contribution welcome :)
>
> http://www.emacswiki.org/emacs/HackerGuide
Looks great. I'm not familiar with C code in Emacs, and I'm wondering how to
read the source these days. Thanks for your help.
--
Best regards, Xue Fuqiao.
http://www.emacswiki.org/emacs/XueFuqiao
next prev parent reply other threads:[~2013-03-01 13:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-01 12:39 What does "tag space" mean? Xue Fuqiao
2013-03-01 13:21 ` Aurélien Aptel
2013-03-01 13:39 ` Xue Fuqiao [this message]
2013-03-01 14:19 ` Eli Zaretskii
2013-03-01 14:40 ` Thien-Thi Nguyen
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