// internals.hpp
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// Copyright (c) 2009 Ben Hanson (http://www.benhanson.net/)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_SPIRIT_SUPPORT_DETAIL_LEXER_INTERNALS_HPP
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#define BOOST_SPIRIT_SUPPORT_DETAIL_LEXER_INTERNALS_HPP
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#include "containers/ptr_vector.hpp"
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namespace boost
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{
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namespace lexer
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{
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namespace detail
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{
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struct internals
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{
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typedef std::vector<std::size_t> size_t_vector;
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typedef ptr_vector<size_t_vector> size_t_vector_vector;
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size_t_vector_vector _lookup;
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size_t_vector _dfa_alphabet;
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size_t_vector_vector _dfa;
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bool _seen_BOL_assertion;
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bool _seen_EOL_assertion;
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internals () :
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_seen_BOL_assertion (false),
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_seen_EOL_assertion (false)
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{
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}
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void clear ()
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{
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_lookup.clear ();
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_dfa_alphabet.clear ();
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_dfa.clear ();
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_seen_BOL_assertion = false;
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_seen_EOL_assertion = false;
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}
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void swap (internals &internals_)
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{
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_lookup->swap (*internals_._lookup);
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_dfa_alphabet.swap (internals_._dfa_alphabet);
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_dfa->swap (*internals_._dfa);
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std::swap (_seen_BOL_assertion, internals_._seen_BOL_assertion);
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std::swap (_seen_EOL_assertion, internals_._seen_EOL_assertion);
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}
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private:
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internals (const internals &); // No copy construction.
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internals &operator = (const internals &); // No assignment.
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};
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}
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}
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}
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#endif
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