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Re: [Gcl-devel] (type-of (gensym)) is not symbol anymore? (didn't it use
From: |
Jeronimo Pellegrini |
Subject: |
Re: [Gcl-devel] (type-of (gensym)) is not symbol anymore? (didn't it use to be?) |
Date: |
Fri, 9 Nov 2018 16:53:47 -0200 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
Hello,
No, not a problem at all. I wanted to understand why the change
was made. I will start using typep instead (which correctly
answers T for (typep (gensym) 'symbol).
There is anotehr isue I'll deal with in anotehr message.
Thanks!
J.
On Fri, Nov 09, 2018 at 01:44:33PM -0500, Camm Maguire wrote:
> Greetings, and thanks for checking out the master branch!
>
> (subtypep 'si::gsym 'symbol) -> T T
>
> (deftype true nil `(member t))
> (deftype null () `(member nil))
> (deftype boolean () `(or true null))
>
> (deftype symbol () `(or boolean keyword gsym))
>
> This is to support more fine-grained compiler optimizations. All
> ansi-tests for type-of et.al. pass, so I think it is compliant with the
> spec. Does it cause intractable problems for you?
>
> Take care,
>
>
>
> Jeronimo Pellegrini <address@hidden> writes:
>
> > Hello,
> >
> > Today I noticed that some of my code that works on the
> > Debian packaged version of GCL doesn't work with the latest
> > git checkout (master branch, 955c7fa7..., Thu Sep 13 16:32:27).
> >
> > This is what happens: I check the type of variables that
> > have content generated by gensym, and so far I thought that
> > (type-of (gensym)), of, for that matter, (type-of x), where
> > x contains the return value of (gensym), would always be
> > SYMBOL. But it is not anymore:
> >
> > $ GCL_ANSI=1 gcl
> > GCL (GNU Common Lisp) 2.7.0 ANSI Nov 6 2018 23:26:25
> > Source License: LGPL(gcl,gmp,pargcl), GPL(unexec,bfd,xgcl)
> > Binary License: GPL due to GPL'ed components: (XGCL READLINE UNEXEC)
> > Modifications of this banner must retain notice of a compatible license
> > Dedicated to the memory of W. Schelter
> >
> > Use (help) to get some basic information on how to use GCL.
> > Temporary directory for compiler files set to /tmp/user/1000/
> >
> >>(type-of (gensym))
> >
> > SYSTEM:GSYM
> >
> > I configured GCL as:
> > ./configure --enable-ansi
> > --enable-readline
> > --enable-notify=yes
> > --enable-emacsdir=/usr/local/share/emacs/site-lisp
> > --mandir=/usr/local/share/man
> > --enable-infodir=/usr/local/share/info
> >
> >
> > The debian version (2.6.12-80 in sid/unstable) returns "SYMBOL"
> > (ECL, Clisp, CCL and SBCL also return SYMBOL).
> >
> > Is this a planned change for the next release? Or is it a bug?
> > (Shouldn't GSYM be a subtype of SYMBOL, perhaps?)
> >
> > Thanks a lot,
> > J.
> >
> > _______________________________________________
> > Gcl-devel mailing list
> > address@hidden
> > https://lists.gnu.org/mailman/listinfo/gcl-devel
> >
> >
> >
>
> --
> Camm Maguire address@hidden
> ==========================================================================
> "The earth is but one country, and mankind its citizens." -- Baha'u'llah