[Boost-commit] svn:boost r54790 - trunk/boost/spirit/home/support/detail/lexer

Subject: [Boost-commit] svn:boost r54790 - trunk/boost/spirit/home/support/detail/lexer
From: jamin.hanson_at_[hidden]
Date: 2009-07-08 04:42:39

Author: ben_hanson
Date: 2009-07-08 04:42:38 EDT (Wed, 08 Jul 2009)
New Revision: 54790
URL: http://svn.boost.org/trac/boost/changeset/54790

Log:
Corner case fix to human readable state machine.
Text files modified: 
   trunk/boost/spirit/home/support/detail/lexer/state_machine.hpp |     8 +++++++-                                
   1 files changed, 7 insertions(+), 1 deletions(-)

Modified: trunk/boost/spirit/home/support/detail/lexer/state_machine.hpp
==============================================================================
--- trunk/boost/spirit/home/support/detail/lexer/state_machine.hpp	(original)
+++ trunk/boost/spirit/home/support/detail/lexer/state_machine.hpp	2009-07-08 04:42:38 EDT (Wed, 08 Jul 2009)
@@ -291,7 +291,13 @@
             iter_._data.eol_index = ptr_->front ()._eol_index;
             iter_._token_iter = ptr_->front ()._transitions.begin ();
             iter_._token_end = ptr_->front ()._transitions.end ();
-            ++iter_;
+
+            // Deal with case where there is only a bol or eol
+            // but no other transitions.
+            if (iter_._transitions)
+            {
+                ++iter_;
+            }
         }
 
         return iter_;