Subject: [Boost-commit] svn:boost r52186 - trunk/boost/spirit/home/support/detail/lexer
From: jamin.hanson_at_[hidden]
Date: 2009-04-05 08:24:44
Author: ben_hanson
Date: 2009-04-05 08:24:43 EDT (Sun, 05 Apr 2009)
New Revision: 52186
URL: http://svn.boost.org/trac/boost/changeset/52186
Log:
New lexer guts struct: note detail namespace!
Added:
trunk/boost/spirit/home/support/detail/lexer/internals.hpp (contents, props changed)
Added: trunk/boost/spirit/home/support/detail/lexer/internals.hpp
==============================================================================
--- (empty file)
+++ trunk/boost/spirit/home/support/detail/lexer/internals.hpp 2009-04-05 08:24:43 EDT (Sun, 05 Apr 2009)
@@ -0,0 +1,60 @@
+// internals.hpp
+// Copyright (c) 2009 Ben Hanson (http://www.benhanson.net/)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#ifndef BOOST_LEXER_INTERNALS_HPP
+#define BOOST_LEXER_INTERNALS_HPP
+
+#include "containers/ptr_vector.hpp"
+
+namespace boost
+{
+namespace lexer
+{
+namespace detail
+{
+struct internals
+{
+ typedef std::vector<std::size_t> size_t_vector;
+ typedef ptr_vector<size_t_vector> size_t_vector_vector;
+
+ size_t_vector_vector _lookup;
+ size_t_vector _dfa_alphabet;
+ size_t_vector_vector _dfa;
+ bool _seen_BOL_assertion;
+ bool _seen_EOL_assertion;
+
+ internals () :
+ _seen_BOL_assertion (false),
+ _seen_EOL_assertion (false)
+ {
+ }
+
+ void clear ()
+ {
+ _lookup.clear ();
+ _dfa_alphabet.clear ();
+ _dfa.clear ();
+ _seen_BOL_assertion = false;
+ _seen_EOL_assertion = false;
+ }
+
+ void swap (internals &internals_)
+ {
+ _lookup->swap (*internals_._lookup);
+ _dfa_alphabet.swap (internals_._dfa_alphabet);
+ _dfa->swap (*internals_._dfa);
+ std::swap (_seen_BOL_assertion, internals_._seen_BOL_assertion);
+ std::swap (_seen_EOL_assertion, internals_._seen_EOL_assertion);
+ }
+
+private:
+ internals (const internals &); // No copy construction.
+ internals &operator = (const internals &); // No assignment.
+};
+}
+}
+}
+
+#endif