63 lines
2.5 KiB
C++
63 lines
2.5 KiB
C++
/*=============================================================================
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Boost.Wave: A Standard compliant C++ preprocessor library
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Explicit instantiation of the lex_functor generation function
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http://www.boost.org/
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Copyright (c) 2001-2010 Hartmut Kaiser. Distributed under the Boost
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Software License, Version 1.0. (See accompanying file
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LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#include <boost/wave/wave_config.hpp> // configuration data
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#if BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0
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#include <string>
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#include <boost/wave/token_ids.hpp>
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#include "real_position_token.hpp" // token class
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#include <boost/wave/cpplexer/cpp_lex_iterator.hpp> // lexer type
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///////////////////////////////////////////////////////////////////////////////
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// The following file needs to be included only once throughout the whole
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// program.
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#include <boost/wave/cpplexer/re2clex/cpp_re2c_lexer.hpp>
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// this must occur after all of the includes and before any code appears
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#ifdef BOOST_HAS_ABI_HEADERS
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#include BOOST_ABI_PREFIX
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#endif
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///////////////////////////////////////////////////////////////////////////////
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//
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// This instantiates the correct 'new_lexer' function, which generates the
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// C++ lexer used in this sample. You will have to instantiate the
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// new_lexer_gen<> template with the same iterator type, as you have used for
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// instantiating the boost::wave::context<> object.
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//
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// This is moved into a separate compilation unit to decouple the compilation
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// of the C++ lexer from the compilation of the other modules, which helps to
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// reduce compilation time.
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//
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// The template parameter(s) supplied should be identical to the first
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// parameter supplied while instantiating the boost::wave::context<> template
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// (see the file cpp.cpp).
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//
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///////////////////////////////////////////////////////////////////////////////
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template struct boost::wave::cpplexer::new_lexer_gen<
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BOOST_WAVE_STRINGTYPE::iterator, boost::wave::util::file_position_type,
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lex_token<boost::wave::util::file_position_type> >;
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template struct boost::wave::cpplexer::new_lexer_gen<
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BOOST_WAVE_STRINGTYPE::const_iterator, boost::wave::util::file_position_type,
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lex_token<boost::wave::util::file_position_type> >;
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// the suffix header occurs after all of the code
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#ifdef BOOST_HAS_ABI_HEADERS
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#include BOOST_ABI_SUFFIX
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#endif
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#endif // BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0
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