From: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: snogglethorpe@gmail.com, emacs-devel@gnu.org, miles@gnu.org
Subject: Re: byte-opt.el addition - optimize list of compile-time constants
Date: Wed, 08 Dec 2004 23:52:50 -0500 [thread overview]
Message-ID: <874qiwqdo5.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87mzwoozgf.fsf@codesourcery.com> (Zack Weinberg's message of "Wed, 08 Dec 2004 20:41:36 -0800")
> In evidence for my position I would like to point out that it is silly
> for '(1 2 3 #'(lambda ...) 4 5 6) to mean something different than
> (list 1 2 3 #'(lambda ...) 4 5 6), and the byte compiler compiles the
> embedded lambda in the second case, so logically it ought to in the
> first case as well.
> Also, in Common Lisp the situation is clearly that the compiler _is_
> entitled to compile (function ...) wherever it finds it - Emacs Lisp
> is not the same thing, of course, but I see no reason for divergence
> here.
Note that the expression
(list 1 2 (function (lambda () (with-current-buffer))))
can be rejected by the compiler (not enough arguments to the
with-current-buffer macro) whereas
'(1 2 (function (lambda () (with-current-buffer))))
can't because it's just a quoted constant which just happens to look like
invalid code.
Stefan
next prev parent reply other threads:[~2004-12-09 4:52 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-08 9:21 byte-opt.el addition - optimize list of compile-time constants Zack Weinberg
2004-12-08 16:56 ` Stefan Monnier
2004-12-08 18:59 ` Zack Weinberg
2004-12-08 19:27 ` Stefan Monnier
2004-12-08 19:45 ` Zack Weinberg
2004-12-08 19:56 ` Stefan Monnier
2004-12-08 20:14 ` Nick Roberts
2004-12-08 22:47 ` Zack Weinberg
2004-12-08 23:40 ` Stefan Monnier
2004-12-09 1:20 ` Zack Weinberg
2004-12-09 2:11 ` Stefan Monnier
2004-12-09 2:33 ` Zack Weinberg
2004-12-09 2:46 ` Miles Bader
2004-12-09 3:08 ` Zack Weinberg
2004-12-09 3:28 ` Miles Bader
2004-12-09 3:48 ` Zack Weinberg
2004-12-09 4:04 ` Miles Bader
2004-12-09 4:41 ` Zack Weinberg
2004-12-09 4:52 ` Stefan Monnier [this message]
2004-12-09 5:33 ` Zack Weinberg
2004-12-09 5:39 ` Miles Bader
2004-12-09 6:49 ` Zack Weinberg
2004-12-09 15:22 ` Thien-Thi Nguyen
2004-12-10 5:50 ` Richard Stallman
2004-12-09 9:22 ` David Kastrup
2004-12-09 4:54 ` Miles Bader
2004-12-09 9:20 ` David Kastrup
2004-12-09 4:35 ` Stefan Monnier
2004-12-09 4:55 ` Zack Weinberg
2004-12-09 5:13 ` Stefan Monnier
2004-12-09 9:10 ` David Kastrup
2004-12-08 19:33 ` Paul Pogonyshev
2004-12-09 10:34 ` Andreas Schwab
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