42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
/*=============================================================================
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Boost.Wave: A Standard compliant C++ preprocessor library
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Example: real_positions
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Explicit instantiation of the cpp_expression_grammar parsing 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>
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#if BOOST_WAVE_SEPARATE_GRAMMAR_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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#include <boost/wave/grammars/cpp_expression_grammar.hpp>
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///////////////////////////////////////////////////////////////////////////////
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//
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// Explicit instantiation of the expression_grammar_gen template with the
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// correct token type. This instantiates the corresponding parse function,
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// which in turn instantiates the expression_grammar object (see
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// wave/grammars/cpp_expression_grammar.hpp)
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//
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///////////////////////////////////////////////////////////////////////////////
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typedef lex_token<> token_type;
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template struct boost::wave::grammars::expression_grammar_gen<token_type>;
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#endif // #if BOOST_WAVE_SEPARATE_GRAMMAR_INSTANTIATION != 0
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