[asdf-devel] defsystem behaviour
fahree at gmail.com
Fri Oct 1 20:08:20 UTC 2010
On 14 September 2010 16:21, Daniel Barlow <dan at telent.net> wrote:
> Apologies for the complete lack of references headers in this mail, but
> I'm not subscribed to asdf-devel and only see this message in the
> common-lisp.net archive.
> On 9/13/10 Sep 13 -8:05 AM, Serhiy Yakovyn wrote:
> > Is this done intentionally?
> Robert Goldman rpgoldman at sift.info wrote:
> > Yes, this is done intentionally. Canonical (i.e., what you get when you
> > translate a symbol) names for ASDF systems (and other ASDF components)
> > are downcased.
> > I /suspect/ (I am not privy to the intentions of the original developer)
> > that this is because the downcased names --- this policy is applied not
> > just to systems, but to other components as well --- map better to the
> way people use modern file-systems.
> This is, or was once, or should be, a matter of record. I don't know
> where asdf is currently hosted nor how far back the revision history
> there goes, but if you look at a sufficiently ancient version of
> asdf/README you should find something like
> 122 *** Component Attributes
> 124 **** A name (required)
> 126 This is a string or a symbol. If a symbol, its name is taken and
> 127 lowercased. The name must be a suitable value for the :name initarg
> 128 to make-pathname in whatever filesystem the system is to be found.
> 130 The lower-casing-symbols behaviour is unconventional, but was selected
> 131 after some consideration. Observations suggest that the type of
> 132 systems we want to support either have lowercase as customary case
> 133 (unix, mac, windows) or silently convert lowercase to uppercase
> 134 (lpns), so this makes more sense than attempting to use :case :common,
> 135 which is reported not to work on some implementations
Thanks, Dan. I committed these paragraphs to the current ASDF manual.
And -- thanks a whole lot for ASDF and your other CL hacks.
[ François-René ÐVB Rideau | Reflection&Cybernethics | http://fare.tunes.org ]
That life is worth living is the most necessary of assumptions, and were it
not assumed, the most impossible of conclusions. — George Santayana
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