# GOTO and/or BREAK LABEL - Thread: https://externals.io/message/22247 - Original archive: https://news-web.php.net/php.internals/22247 - Started by Ford on 2006-03-08T14:12:20+00:00 - Messages: 4 - Reply by email to internals@lists.php.net - More for agents: search with https://externals.io/search.md?q={query} · JSON API at https://externals.io/api · documentation at https://externals.io/llms.txt --- ## #22247 — Ford — 2006-03-08T14:12:20+00:00 URL: https://externals.io/message/22247#22247 > Please reviw and vote. > > 1) goto and break label > 2) goto only (like C) > 3) break label only (like Java) > 4) nothing 1) +0.25 2) -1e38 3) +1e38 4) -infinity Or, in other words, I want labelled break, and I don't want to have to emulate it with goto. As a user who spent several *days* tracking down a subtle bug caused by a continue n that hadn't been altered to continue n+1, I regard labelled break as a vital addition -- for me, it's not the frequency with which it is used (very low, I agree), but the incredibly disproportionate maintenance burden (potentially extremely high). In my case, I was adding a level to a heavily nested looping/conditional structure (7 or 8 levels deep) extending over several hundred lines, and out of the few break/continue statements that needed adjusting I missed just one. If they had been labelled breaks, there would have been *no* maintenance problem, and I'd have had several more days on the next step. If the "Java-like" syntax is seen as confusing, what about, as in some other languages, interpolating the label into the for/foreach/while statement: for (....) label {...} or for label (...) {...} This is clearly a different animal from a goto target label: (but should be in the same namespace, of course). OK, I'll shut up now and slope off into a corner. (Perhaps I should design my own language whilst I'm there ... but nah, did that decades ago and got bored -- prefer higher-level programming these days!) Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning & Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: m.ford@leedsmet.ac.uk Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 To view the terms under which this email is distributed, please go to http://disclaimer.leedsmet.ac.uk/email.htm --- ## #22265 — Xuefer — 2006-03-09T03:19:17+00:00 URL: https://externals.io/message/22247#22265 · In reply to: #22247 > If the "Java-like" syntax is seen as confusing, what about, as in some other languages, interpolating the label into the for/foreach/while statement: > > for (....) label {...} or for label (...) {...} a. label: for (....) { break label; } AND label: { for (....) { break label; } } (see http://www.rgagnon.com/javadetails/java-0500.html ) b. for (....) label { break label; } c. for (....) { break label; } label: ok, i was +1 for c, but +1 for b now. only use "Java-like" syntax if "goto" will never be implemented --- ## #22266 — Steph Fox — 2006-03-09T04:48:28+00:00 URL: https://externals.io/message/22247#22266 · In reply to: #22265 Please, Xuefer! Your vote was already recorded, shhh! ----- Original Message ----- From: "Xuefer" To: "Ford, Mike" Cc: "Dmitry Stogov" ; Sent: Thursday, March 09, 2006 5:19 AM Subject: Re: [PHP-DEV] GOTO and/or BREAK LABEL > > […] > a. label: for (....) { break label; } AND label: { for (....) { > break label; } } (see > http://www.rgagnon.com/javadetails/java-0500.html ) > b. for (....) label { break label; } > c. for (....) { break label; } label: > ok, i was +1 for c, but +1 for b now. > > only use "Java-like" syntax if "goto" will never be implemented --- ## #22315 — Xuefer — 2006-03-10T03:06:13+00:00 URL: https://externals.io/message/22247#22315 · In reply to: #22266 > Please, Xuefer! Your vote was already recorded, shhh! i wasn't to vote more than once. it's same vote but with a bit different syntax changed. oh well, the result is out, this is only my explaination.