wave/samples/cpp_tokens/instantiate_slex_lexer.cpp
Hartmut Kaiser 15c01a454c Wave: merging from trunk for V1.50
[SVN r78634]
2012-05-26 14:47:03 +00:00

48 lines
1.7 KiB
C++

/*=============================================================================
Boost.Wave: A Standard compliant C++ preprocessor library
Sample: Print out the preprocessed tokens returned by the Wave iterator
Explicit instantiation of the lex_functor generation function
http://www.boost.org/
Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost
Software License, Version 1.0. (See accompanying file
LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#include "cpp_tokens.hpp" // config data
#if BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0
#include <string>
#include <boost/wave/token_ids.hpp>
#include "slex_token.hpp"
#include "slex_iterator.hpp"
///////////////////////////////////////////////////////////////////////////////
// The following file needs to be included only once throughout the whole
// program.
#include "slex/cpp_slex_lexer.hpp"
///////////////////////////////////////////////////////////////////////////////
//
// This instantiates the correct 'new_lexer' function, which generates the
// C++ lexer used in this sample.
//
// This is moved into a separate compilation unit to decouple the compilation
// of the C++ lexer from the compilation of the other modules, which helps to
// reduce compilation time.
//
// The template parameter(s) supplied should be identical to the parameters
// supplied while instantiating the context<> template.
//
///////////////////////////////////////////////////////////////////////////////
template struct boost::wave::cpplexer::slex::new_lexer_gen<
std::string::iterator>;
#endif // BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0