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[45.2.119.34]) by smtp.gmail.com with ESMTPSA id m25sm40470555ion.35.2019.07.31.18.05.01 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 31 Jul 2019 18:05:02 -0700 (PDT) In-Reply-To: <8736ilaepu.fsf@runbox.com> (Gemini Lasswell's message of "Wed, 31 Jul 2019 17:53:17 -0700") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs.gnu.org> List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-gnu-emacs>, <mailto:bug-gnu-emacs-request@gnu.org?subject=unsubscribe> List-Archive: <https://lists.gnu.org/archive/html/bug-gnu-emacs> List-Post: <mailto:bug-gnu-emacs@gnu.org> List-Help: <mailto:bug-gnu-emacs-request@gnu.org?subject=help> List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-gnu-emacs>, <mailto:bug-gnu-emacs-request@gnu.org?subject=subscribe> Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" <bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org> Xref: news.gmane.org gmane.emacs.bugs:164198 Archived-At: <http://permalink.gmane.org/gmane.emacs.bugs/164198> Gemini Lasswell <gazally@runbox.com> writes: > The third patch attached below fixes that by adding a macro to > cl-print.el to wrap the printing of all the simple things with > let-bindings of print-circle and print-gensym to nil. > Patch #3 has the advantage of being straightforward logically and not > breaking anything which doesn't use cl-prin1, but it undoubtedly also > slows down cl-prin1 in the probably more common case that print-gensym > and print-circle are both nil. There are other ways to fix this, such > as by adding a new entry point in print.c for printing simple strings, > or by modifying the logic in print_preprocess to not create a hash table > if the top-level object is a string with no properties. This last idea sounds like a straightforward win to me, with no obvious drawbacks. I mean, no point in allocating a hash table if we can cheaply detect it will never be used, right?