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51 lines (38 loc) · 1.82 KB
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/*=============================================================================
Boost.Wave: A Standard compliant C++ preprocessor library
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)
=============================================================================*/
#define BOOST_WAVE_SOURCE 1
// disable stupid compiler warnings
#include <boost/config/warning_disable.hpp>
#include <boost/wave/wave_config.hpp>
#if BOOST_WAVE_SEPARATE_GRAMMAR_INSTANTIATION != 0
#include <string>
#include <utility>
#include <boost/wave/cpplexer/cpp_lex_token.hpp>
#include <boost/wave/cpplexer/cpp_lex_iterator.hpp>
#include <boost/wave/grammars/cpp_expression_grammar.hpp>
// this must occur after all of the includes and before any code appears
#ifdef BOOST_HAS_ABI_HEADERS
#include BOOST_ABI_PREFIX
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Explicit instantiation of the expression_grammar_gen template with the
// correct lexer iterator type. This instantiates the corresponding parse
// function, which in turn instantiates the expression_grammar object (see
// wave/grammars/cpp_expression_grammar.hpp)
//
///////////////////////////////////////////////////////////////////////////////
// if you want to use your own token type the following line must be adjusted
typedef boost::wave::cpplexer::lex_token<> token_type;
// no need to change anything below
template struct BOOST_SYMBOL_VISIBLE boost::wave::grammars::expression_grammar_gen<token_type>;
// the suffix header occurs after all of the code
#ifdef BOOST_HAS_ABI_HEADERS
#include BOOST_ABI_SUFFIX
#endif
#endif // #if BOOST_WAVE_SEPARATE_GRAMMAR_INSTANTIATION != 0