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Re: [PATCH] Unicode Lisp reader escapes
From: |
Kenichi Handa |
Subject: |
Re: [PATCH] Unicode Lisp reader escapes |
Date: |
Mon, 08 May 2006 10:31:20 +0900 |
User-agent: |
SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/22.0.50 (i686-pc-linux-gnu) MULE/5.0 (SAKAKI) |
In article <address@hidden>, Aidan Kehoe <address@hidden> writes:
>> Kevin Rodgers <address@hidden> writes:
>>
>> > readcharfun is declared as a Lisp_Object in read1, so it should be
>> > possible to check it's type and only GCPRO when necessary.
>>
>> I don't see any need to GCPRO readcharfun. When called from Lisp the
>> arguments are already protected by being part of the call frame, and all
>> uses from C protect the object by other means (eg, by being put on
>> eval-buffer-list).
> That was my understanding of the code too.
For instance, Fread is called from Fcall_interactively as
below:
Lisp_Object tem;
[...]
tem = Fread_from_minibuffer (build_string (callint_message),
Qnil, Qnil, Qnil, Qnil, Qnil,
Qnil, Qnil);
if (! STRINGP (tem) || SCHARS (tem) == 0)
args[i] = Qnil;
else
args[i] = Fread (tem);
In the calling sequence of
Fread->read_internal_start->read0->read1, I see no place
where the original `tem' is GCPROed. Do I overlook
something?
---
Kenichi Handa
address@hidden
- Re: [PATCH] Unicode Lisp reader escapes, (continued)
- Re: [PATCH] Unicode Lisp reader escapes, Kenichi Handa, 2006/05/02
- Re: [PATCH] Unicode Lisp reader escapes, Aidan Kehoe, 2006/05/02
- Re: [PATCH] Unicode Lisp reader escapes, Kenichi Handa, 2006/05/03
- Re: [PATCH] Unicode Lisp reader escapes, Kevin Rodgers, 2006/05/03
- Re: [PATCH] Unicode Lisp reader escapes, Andreas Schwab, 2006/05/03
- Re: [PATCH] Unicode Lisp reader escapes, Aidan Kehoe, 2006/05/04
- Re: [PATCH] Unicode Lisp reader escapes,
Kenichi Handa <=
- Re: [PATCH] Unicode Lisp reader escapes, Aidan Kehoe, 2006/05/08
- Re: [PATCH] Unicode Lisp reader escapes, Stefan Monnier, 2006/05/08
- Re: [PATCH] Unicode Lisp reader escapes, Aidan Kehoe, 2006/05/08
- Re: [PATCH] Unicode Lisp reader escapes, Stefan Monnier, 2006/05/08
- Re: [PATCH] Unicode Lisp reader escapes, Aidan Kehoe, 2006/05/08
- Re: [PATCH] Unicode Lisp reader escapes, Stefan Monnier, 2006/05/08
- Re: [PATCH] Unicode Lisp reader escapes, Aidan Kehoe, 2006/05/09
- Re: [PATCH] Unicode Lisp reader escapes, Eli Zaretskii, 2006/05/09
- Re: [PATCH] Unicode Lisp reader escapes, Aidan Kehoe, 2006/05/10
- Re: [PATCH] Unicode Lisp reader escapes, Eli Zaretskii, 2006/05/10