ceph/src/boost/libs/wave/samples/list_includes/instantiate_lexertl_lexer.cpp

   1 /*=============================================================================
   2     Boost.Wave: A Standard compliant C++ preprocessor library
   3
   4     http://www.boost.org/
   5
   6     Copyright (c) 2001-2010 Hartmut Kaiser. Distributed under the Boost
   7     Software License, Version 1.0. (See accompanying file
   8     LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 =============================================================================*/
  10
  11 #include "list_includes.hpp"          // config data
  12
  13 #if BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0
  14
  15 #include <string>
  16
  17 #include <boost/wave/token_ids.hpp>
  18 #include <boost/wave/cpplexer/cpp_lex_token.hpp>
  19
  20 #include "lexertl_iterator.hpp"
  21
  22 ///////////////////////////////////////////////////////////////////////////////
  23 //  The following file needs to be included only once throughout the whole
  24 //  program.
  25 #include "lexertl/lexertl_lexer.hpp"
  26
  27 ///////////////////////////////////////////////////////////////////////////////
  28 //
  29 //  This instantiates the correct 'new_lexer' function, which generates the
  30 //  C++ lexer used in this sample.
  31 //
  32 //  This is moved into a separate compilation unit to decouple the compilation
  33 //  of the C++ lexer from the compilation of the other modules, which helps to
  34 //  reduce compilation time.
  35 //
  36 //  The template parameter(s) supplied should be identical to the parameters
  37 //  supplied while instantiating the context<> template.
  38 //
  39 ///////////////////////////////////////////////////////////////////////////////
  40
  41 template struct boost::wave::cpplexer::lexertl::new_lexer_gen<
  42     BOOST_WAVE_STRINGTYPE::iterator>;
  43
  44 #endif // BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0