Yup.....While upgrading from 7 to 8 and from 8 to 9 I had several "I can't believe this code worked" moments. I prefer an unforgiving interpreter.
thats why I fell in love with Rust and its ridiculously unforgiving compiler. Haven't had to use it yet, but look forward to it. On Mon, Nov 11, 2019 at 9:01 AM Paul Dupuis via use-livecode < use-livecode@lists.runrev.com> wrote: > I just got bit by how forgiving older LC engines version are. > > Migrating a stack from LC6.7.11 to LC9.5.1. There is a handle to perform > a "select all" on a particular list field where "select all" means > select all lines but the first. The code was essentially: > > put empty into tLineList > repeat with i=2 to the number of lines in fld 1 > put i & cr after tLineList > end repeat > delete last char of tLineList > set the hilitedLines of fld 1 to tLineList' > > This throws an script execution error under LC9.0.5 or 9.5.1 when trying > to execute the last line, but works perfectly well under LC6.7.11 and > earlier. > > The problem, of course, is that the hilitedLines is supposed to be a > COMMA delimited list, not a CR delimited list. Even the LC6.7.11 > Dictionary states comma delimited. And yet, LC6.7.11 and earlier happily > allowed and handled correctly wither comma or cr delimited lists for the > hilitedLines property. > > Simple change of Cr to comma fixes the routine for LC9xx > > I am not sure in what more recent LC versions this list flexibility went > away (7? 8? 9?) but I have mixed feelings that it did go away. On one > hand, I think the versatility of the older engine in forgiving and > working with bad syntax was amazing. On the other had, had they been > stricter, I would have discovered this bug long ago. > > > > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > -- Tom Glod Founder & Developer MakeShyft R.D.A (www.makeshyft.com) Office:226-706-9339 Mobile:226-706-9793 _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
