From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Daniel Colascione Newsgroups: gmane.emacs.devel Subject: Re: RFC: rough draft of Python-style generators for elisp Date: Thu, 29 Nov 2012 11:49:28 -0700 Message-ID: <50B7AE38.6040602@dancol.org> References: <50B4309C.5000109@dancol.org> <50B5300A.4060600@dancol.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigBE3B69D83D3B50FF35371659" X-Trace: ger.gmane.org 1354214987 9479 80.91.229.3 (29 Nov 2012 18:49:47 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 29 Nov 2012 18:49:47 +0000 (UTC) Cc: Burton Samograd , emacs-devel@gnu.org To: Levin Du Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Nov 29 19:49:58 2012 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Te9BN-0000zY-IO for ged-emacs-devel@m.gmane.org; Thu, 29 Nov 2012 19:49:57 +0100 Original-Received: from localhost ([::1]:33184 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Te9BC-0003oT-CE for ged-emacs-devel@m.gmane.org; Thu, 29 Nov 2012 13:49:46 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:59556) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Te9B9-0003oN-Tf for emacs-devel@gnu.org; Thu, 29 Nov 2012 13:49:44 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Te9B7-0002GF-6c for emacs-devel@gnu.org; Thu, 29 Nov 2012 13:49:43 -0500 Original-Received: from dancol.org ([2600:3c01::f03c:91ff:fedf:adf3]:56972) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Te9B7-0002Es-0m for emacs-devel@gnu.org; Thu, 29 Nov 2012 13:49:41 -0500 Original-Received: from c-76-22-66-162.hsd1.wa.comcast.net ([76.22.66.162] helo=[192.168.1.2]) by dancol.org with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1Te9Ay-0008WH-26; Thu, 29 Nov 2012 10:49:32 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:17.0) Gecko/17.0 Thunderbird/17.0 In-Reply-To: X-Enigmail-Version: 1.4.6 X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2600:3c01::f03c:91ff:fedf:adf3 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:155123 Archived-At: This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigBE3B69D83D3B50FF35371659 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 11/29/12 1:41 AM, Levin Du wrote: > Hi Daniel, >=20 > My Emacs version is "GNU Emacs 24.3.50.1". >=20 > I tried: >=20 > (defgenerator mygen (i) > (yield 1) > (yield i) > (yield 3)) >=20 > (let ((gen (mygen 100))) > (list (funcall gen) > (funcall gen) > (funcall gen))) >=20 > but failed with: >=20 > Debugger entered--Lisp error: (void-variable cps-current-state-91642) lexical-binding needs to be t. Is it okay for defgenerator to let-bind it at top-level as long as it preserves dynamic binding semantics for the actual code generated? --------------enigBE3B69D83D3B50FF35371659 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (Darwin) Comment: GPGTools - http://gpgtools.org iEYEARECAAYFAlC3rjoACgkQ17c2LVA10VuC/QCgh96dHDECoTWgZMfHsvUUEldl Gw4Anjpd4Yks01qjMmiPNufYbJgYbtJ+ =rrEX -----END PGP SIGNATURE----- --------------enigBE3B69D83D3B50FF35371659--