Re^10: What esteemed monks think about changes necessary/desirable in Perl 7 outside of OO staff

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Re^11: What esteemed monks think about changes necessary/desirable in Perl 7 outside of OO staff by dave_the_m (Monsignor) on Sep 11, 2020 at 22:02 UTC
So I think it already counts past lexems and thus can determine the balance of "()", '[]' and "{}" It can't currently. If all the following conditions are true All of the following satisfy your criteria, are valid and normal perl code, and would get a semicolon incorrectly inserted based on your criteria: `use softsemicolon; $x = $a + $b; $x = 1 if $condition; $x = 1 unless $condition1 && $condition2;` [download] The warning issued should be something like I didn't ask what the text of the warning should be, I asked how the parser can determine when the warning should be issued. the scheme proposed for recursive descent parsers But perl uses an LR(1) parser, not a recursive descent parser. Dave.	[reply] [d/l]
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Re^11: What esteemed monks think about changes necessary/desirable in Perl 7 outside of OO staff by tobyink (Canon) on Sep 12, 2020 at 22:24 UTC
"no Perl statement can start with the dot" Yada-yada operator in Perl 5.12+. toby döt ink	[reply]
Re^12: What esteemed monks think about changes necessary/desirable in Perl 7 outside of OO staff by ikegami (Patriarch) on Sep 14, 2020 at 22:15 UTC
Parser lookaheads are implemented in terms of tokens, not characters. The first token of yada is a triple-dot, not a dot. While you may think it starts with a dot, that's not how the parser sees it, so the existence of yada is not relevant here.	[reply]