[Boost-commit] svn:boost r48958 - trunk/boost/xpressive

Subject: [Boost-commit] svn:boost r48958 - trunk/boost/xpressive
From: eric_at_[hidden]
Date: 2008-09-24 19:33:50

Author: eric_niebler
Date: 2008-09-24 19:33:50 EDT (Wed, 24 Sep 2008)
New Revision: 48958
URL: http://svn.boost.org/trac/boost/changeset/48958

Log:
add assert to mark_tag that mark number is greater than 0
Text files modified: 
   trunk/boost/xpressive/regex_primitives.hpp |     3 +++                                     
   1 files changed, 3 insertions(+), 0 deletions(-)

Modified: trunk/boost/xpressive/regex_primitives.hpp
==============================================================================
--- trunk/boost/xpressive/regex_primitives.hpp	(original)
+++ trunk/boost/xpressive/regex_primitives.hpp	2008-09-24 19:33:50 EDT (Wed, 24 Sep 2008)
@@ -12,6 +12,7 @@
 #include <vector>
 #include <climits>
 #include <boost/config.hpp>
+#include <boost/assert.hpp>
 #include <boost/mpl/if.hpp>
 #include <boost/mpl/and.hpp>
 #include <boost/mpl/assert.hpp>
@@ -42,6 +43,8 @@
     {
         mark_tag(int mark_nbr)
         {
+            // Marks numbers must be integers greater than 0.
+            BOOST_ASSERT(mark_nbr > 0);
             mark_placeholder mark = {mark_nbr};
             proto::arg(*this) = mark;
         }