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Help needed on a new 5.10 warning More | Login | Reply

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Re: Help needed on a new 5.10 warning (Score:1)

by kid51 (5328)

All I can offer is that during some recent attempts to refactor ExtUtils::ParseXS, I encountered this warning when attempting to make that module work under 'use strict'. IIRC, I got it in a part of the code that was using the "deferred regex evaluation" feature -- ??{ $some_variable } -- inside of itself.
$bal = qr[(?:(?>[^()]+)|\((??{ $bal })\))*]; # ()-balanced
$cast = qr[(?:\(\s*SV\s*\*\s*\)\s*)?]; # Optional (SV*) cast
$size = qr[,\s* (??{ $bal }) ]x; # Third arg (to setpvn)
Again
- Re: Help needed on a new 5.10 warning (Score:1)
  
  by mpeters (5802) on 2009.09.17 8:03 (#70609) Homepage Journal
  
  Thanks for the advice. I eventually tracked it down to Regexp::Common and was able to remove the warning if I just imported the number specific regexes:
  use Regexp::Common qw(number);
  
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