From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Michal Nazarewicz Newsgroups: gmane.emacs.bugs Subject: bug#24603: [RFC 16/18] Refactor character class checking; optimise ASCII case Date: Mon, 17 Oct 2016 15:22:34 +0200 Organization: http://mina86.com/ Message-ID: References: <1475543441-10493-1-git-send-email-mina86@mina86.com> <1475543441-10493-16-git-send-email-mina86@mina86.com> <837f9oo8q3.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1476710614 2836 195.159.176.226 (17 Oct 2016 13:23:34 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 17 Oct 2016 13:23:34 +0000 (UTC) User-Agent: Notmuch/0.19+53~g2e63a09 (http://notmuchmail.org) Emacs/25.1.50.2 (x86_64-unknown-linux-gnu) Cc: 24603@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 17 15:23:30 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bw7sl-0006LH-Ag for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 17 Oct 2016 06:22:37 -0700 (PDT) Original-Received: from mpn-glaptop ([2620:0:105f:310:f02b:4d5c:2cd4:158a]) by smtp.gmail.com with ESMTPSA id n6sm6635469wjg.30.2016.10.17.06.22.35 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 17 Oct 2016 06:22:36 -0700 (PDT) In-Reply-To: <837f9oo8q3.fsf@gnu.org> Face: 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 fIcDM5yOG8GcTLbOyp8A8azjJI93JFd1EA6yN8sSxMQJWoABqniRZVykYgRXErzrdqExAoUrRb0xfRp8p2A/4XmfilTtkDZ4cAAAAASUVORK5CYII= X-Face: -TR8(rDTHy/(xl?SfWd1|3:TTgDIatE^t'vop%*gVg[kn$t{EpK(P"VQ=~T2#ysNmJKN$"yTRLB4YQs$4{[.]Fc1)*O]3+XO^oXM>Q#b^ix, O)Zbn)q[y06$`e3?C)`CwR9y5riE=fv^X@x$y?D:XO6L&x4f-}}I4=VRNwiA^t1-ZrVK^07.Pi/57c_du'& X-PGP: 50751FF4 X-PGP-FP: AC1F 5F5C D418 88F8 CC84 5858 2060 4012 5075 1FF4 X-Hashcash: 1:20:161017:24603@debbugs.gnu.org::OOeerRE5tjoZGy3x:0000000000000000000000000000000000000000Au1b X-Hashcash: 1:20:161017:eliz@gnu.org::klGzPKUvNIKANg6W:000002eRf 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: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:124587 Archived-At: On Tue, Oct 04 2016, Eli Zaretskii wrote: >> From: Michal Nazarewicz >> Date: Tue, 4 Oct 2016 03:10:39 +0200 >>=20 >> +const unsigned char category_char_bits[] =3D { >> + [UNICODE_CATEGORY_UNKNOWN] =3D 0, >> + [UNICODE_CATEGORY_Lu] =3D CHAR_BIT_ALPHA_ | CHAR_BIT_UPPER, >> + [UNICODE_CATEGORY_Ll] =3D CHAR_BIT_ALPHA_ | CHAR_BIT_LOWER, > > Is this syntax portable enough for us to use it? It=E2=80=99s a C99 feature and C99 compiler is required since Emacs 25.1. >> +/* Limited set of character categories which syntax-independent. Testi= ng of > ^^^^^^^^^^^^^^^^^^^^^^^^ > "which are syntax-independent" > >> + * those characters do not require any run-time data, e.g. do not depen= d on > ^^^^^^^^^^^^^^ ^^^^^^^^^^^= ^^ > "does not require" and "does not depend" Both done. > Thanks. I think this change will require a benchmark to make sure we > don't lose too much in terms of performance. Will do. --=20 Best regards =E3=83=9F=E3=83=8F=E3=82=A6 =E2=80=9C=F0=9D=93=B6=F0=9D=93=B2=F0=9D=93=B7= =F0=9D=93=AA86=E2=80=9D =E3=83=8A=E3=82=B6=E3=83=AC=E3=83=B4=E3=82=A4=E3=83= =84 =C2=ABIf at first you don=E2=80=99t succeed, give up skydiving=C2=BB