X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.13.68,1.0.33,0.0.0000 definitions=2015-02-08_02:2015-02-08,2015-02-08,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=3 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1412110000 definitions=main-1502080135 From: Chris Smith Content-type: text/plain; charset=us-ascii MIME-version: 1.0 (1.0) Subject: Re: [geda-user] Using Lua to safely read configuration and layout files (program attached) Message-id: <57199475-C2BF-4E6D-8161-1D1FE7963B3D@icloud.com> Date: Sun, 08 Feb 2015 12:45:34 +0000 References: <32380475 DOT xlWdxyhFd9 AT jasum> <20150208003842 DOT 63db8a55 AT jive> <3709636 DOT NVszrDDjOR AT jasum> In-reply-to: <3709636.NVszrDDjOR@jasum> To: "geda-user AT delorie DOT com" X-Mailer: iPad Mail (12B466) Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id t18Ck6jH017186 Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > On 8 Feb 2015, at 11:47, Christian Riggenbach wrote: > >> On Sunday 08 February 2015 00.38:42 you wrote: >> I wouldn't use ANY scripts in the PCB or sch file. That would make life >> very hard. > > I think the approach of Jason White to prohibit the execution of scripts in > the loading stage is great. No loops, ifs or other constructs, just tables > with function-"pointers". I disagree. I think such abilities are far too useful to prohibit wholesale. It would be better, I think, to say that files are evaluated once when loaded and are static from then on. This would allow parametric operation without causing future problems. Chris