[Boost-commit] svn:boost r81705 - trunk/boost/regex/v4

Subject: [Boost-commit] svn:boost r81705 - trunk/boost/regex/v4
From: john_at_[hidden]
Date: 2012-12-04 11:51:19

Author: johnmaddock
Date: 2012-12-04 11:51:18 EST (Tue, 04 Dec 2012)
New Revision: 81705
URL: http://svn.boost.org/trac/boost/changeset/81705

Log:
Add missing optimization for leading .* repeats.
Fixes #7758.
Text files modified: 
   trunk/boost/regex/v4/perl_matcher_non_recursive.hpp |     3 +++                                     
   1 files changed, 3 insertions(+), 0 deletions(-)

Modified: trunk/boost/regex/v4/perl_matcher_non_recursive.hpp
==============================================================================
--- trunk/boost/regex/v4/perl_matcher_non_recursive.hpp	(original)
+++ trunk/boost/regex/v4/perl_matcher_non_recursive.hpp	2012-12-04 11:51:18 EST (Tue, 04 Dec 2012)
@@ -1268,6 +1268,9 @@
       }while((count < rep->max) && (position != last) && !can_start(*position, rep->_map, mask_skip));
    }
 
+   // remember where we got to if this is a leading repeat:
+   if((rep->leading) && (count < rep->max))
+      restart = position;
    if(position == last)
    {
       // can't repeat any more, remove the pushed state: