From: Daniel Colascione <dancol@dancol.org>
To: Philipp Stephani <p.stephani2@gmail.com>,
Emacs developers <emacs-devel@gnu.org>
Subject: Re: Modules: definition of emacs_value
Date: Mon, 29 Feb 2016 15:15:51 -0800 [thread overview]
Message-ID: <56D4D127.5020505@dancol.org> (raw)
In-Reply-To: <CAArVCkRCkpPgp2DNVgQqNi15j_--7ve08SwwJ7U9gzq-OzD+cA@mail.gmail.com>
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On 02/29/2016 03:03 PM, Philipp Stephani wrote:
> Is it a strict requirement that emacs_value be a pointer? If not,
> couldn't we simply define it as int64 and assume that that will be large
> enough to hold a Lisp_Object for the foreseeable future? Or do we expect
> Lisp_Object to ever grow beyond 64 bits?
I don't like giving users raw Lisp_Objects. I really don't like making
32-bit callers cope with 64-bit values. If emacs_value is a pointer, we
have complete freedom with respect to runtime behavior. Putting a
Lisp_Object directly in an emacs_value is a false economy.
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next prev parent reply other threads:[~2016-02-29 23:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-29 23:03 Modules: definition of emacs_value Philipp Stephani
2016-02-29 23:15 ` Daniel Colascione [this message]
2016-03-02 14:37 ` Stefan Monnier
2016-03-02 18:14 ` Philipp Stephani
2016-03-04 1:04 ` Stefan Monnier
2016-03-04 1:24 ` John Wiegley
2016-03-02 18:30 ` Philipp Stephani
2016-03-02 20:14 ` Daniel Colascione
2016-03-31 17:32 ` Philipp Stephani
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