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// 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
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