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This queue is for tickets about the Regexp-Grammars CPAN distribution.

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The Basics
Id: 129970
Status: resolved
Priority: 0/
Queue: Regexp-Grammars

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Owner: Nobody in particular
Requestors: alex.karelas [...] gmail.com
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Bug Information
Severity: (no value)
Broken in: (no value)
Fixed in: (no value)



Subject: <nocontext:> has no effect in rules with subpatterns
Date: Wed, 3 Jul 2019 07:16:23 +0300
To: bug-Regexp-Grammars [...] rt.cpan.org
From: Alexander Karelas <alex.karelas [...] gmail.com>
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E.g.: my $parser = qr/     <name>     <token: name>         <nocontext:>         <word= (\w+)> /x; "alex" =~ $parser; use Data::Dumper; print Dumper(\%/); gives: $VAR1 = {           '' => 'alex',           'name' => {                       'word' => 'alex',                       '' => 'alex'                     }         }; ...which contains some context in name (where I think it should not)
Subject: Re: [rt.cpan.org #129970] <nocontext:> has no effect in rules with subpatterns
Date: Tue, 16 Jul 2019 11:59:51 +0000
To: bug-Regexp-Grammars [...] rt.cpan.org
From: Damian Conway <damian [...] conway.org>
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Hi Alex, Thanks for the report, and apologies for the slow response. That's definitely a bug, and I'm working on a solution. The current workaround is to convert the named capture to a separate token, like so: my $parser = qr/ <name> <token: name> <nocontext:> <word> <token: word> \w+ /x; "alex" =~ $parser; use Data::Dumper; print Dumper(\%/); which gives: $VAR1 = { 'name' => { 'word' => 'alex' }, '' => 'alex' }; as expected. I will upload a new release as soon as I have found out what's going on with the named capture version, hopefully later this week. Once again, thanks for bringing this to my attention. Damian
Subject: Re: [rt.cpan.org #129970] <nocontext:> has no effect in rules with subpatterns
Date: Tue, 16 Jul 2019 22:19:14 +0000
To: bug-Regexp-Grammars [...] rt.cpan.org
From: Damian Conway <damian [...] conway.org>
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I have found the bug, and fixed it. The problem no longer occurs in v1.052, which I have just uploaded to CPAN. Thanks again for the report, Alex. Much appreciated! Damian


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