In perl.git, the branch alh/regex_nocapture has been created
<http://perl5.git.perl.org/perl.git/commitdiff/cf1ed97f6106bc0543d3997399210fe0598eeeb5?hp=0000000000000000000000000000000000000000>
at cf1ed97f6106bc0543d3997399210fe0598eeeb5 (commit)
- Log -----------------------------------------------------------------
commit cf1ed97f6106bc0543d3997399210fe0598eeeb5
Author: Matthew Horsfall (alh) <[email protected]>
Date: Wed Oct 22 20:56:47 2014 -0400
Support for nocapture regexp flag /n
This flag will prevent () from capturing and filling in $1, $2, etc...
Named captures will still work though, and if used will cause $1, $2, etc...
to be filled in *only* within named groups.
The motivation behind this is to allow the common construct of:
/(?:b|c)a(?:t|n)/
To be rewritten more cleanly as:
/(b|c)a(t|n)/n
When you want grouping but no memory penalty on captures.
You can also use ?n inside of a () directly to avoid capturing, and
?-n inside of a () to negate its effects if you want to capture.
M MANIFEST
M dump.c
M ext/re/re.pm
M regcomp.c
M regexp.h
A t/re/reg_nocapture.t
commit ac4b4dd09769874ef1b69355cda002395e538c42
Author: Matthew Horsfall (alh) <[email protected]>
Date: Wed Oct 22 20:50:13 2014 -0400
Fixes to make test pass for regexp nocapture bit addition.
* Make Devel-Peek/t/Peek.t less sensitive to regexp flag changes.
Devel-Peek had flag names and binary representation hardcoded. Flag
names *should* be enough. Otherwise we have to update bits of this
test every time we muck with flags that don't affect the flags being
tested.
* Let B::Deparse know about the new RXf_PMf_CHARSET shift value.
M ext/Devel-Peek/t/Peek.t
M lib/B/Deparse.pm
commit 4513c8aa7e289c23f79c9906a745b0c190fcf196
Author: Karl Williamson <[email protected]>
Date: Wed Oct 22 12:38:20 2014 -0600
Create bit for /n.
M op.h
M op_reg_common.h
M regexp.h
M regnodes.h
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