[armedbear-devel] ASDF: Cannot handle the special form EXTENSIONS:TRULY-THE
ehuels at gmail.com
Sun Mar 24 19:24:22 UTC 2013
On Sun, Mar 24, 2013 at 7:19 PM, Rudolf Schlatte <rudi at constantly.at> wrote:
> On Mar 24, 2013, at 13:55, Erik Huelsmann <ehuels at gmail.com> wrote:
> Hi all,
> What is the current status of this problem?
>> (I think the ticket #230 might be relevant to this problem.)
>> My current workaround is to make truly-the a macro.
>> CL-USER> (defmacro truly-the (type value)
>> `(the ,type ,value))
>> CL-USER> (ql:quickload 'screamer)
>> To load "screamer":
>> Load 1 ASDF system:
>> ; Loading "screamer"
>> [package screamer]................................
>> [package screamer-user].............
>> CL-USER> (lisp-implementation-type)
>> "Armed Bear Common Lisp"
>> CL-USER> (lisp-implementation-version)
> To cut a long story short: the problem hasn't progressed.
> However, your analysis is entirely correct: defining a macro for the
> TRULY-THE form would indeed by the short term solution. My thoughts would
> be to remove the special form longer term. Even though we have
> special-purpose compilation support for it, I don't see benefits in keeping
> it around. It's supposed to allow increased performance for compiled
> programs. So, upon removal, we probably need to verify that the performance
> degradation is small enough.
> Supplying a macro for a non-standard special form is the right solution,
> regardless of whether we keep TRULY-THE; sbcl does the same, and they won't
> ever eliminate TRULY-THE, I think.
Added a macro expansion to macros.lisp for TRULY-THE in r14447. Now
thinking where to do the same for THREADS:SYNCHRONIZED-ON and
JVM:WITH-INLINE-CODE... (since macros.lisp only contains macros in the CL
and SYS packages).
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