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BirdLeon
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ROBLOX2016
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Library/boost/libs/wave/test/testwave/quick.cpp
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full source code
19 дек 2024, 19:11
19 дек 2024, 19:11
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// Copyright 2018 Peter Dimov. // // 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 <boost/wave.hpp> #include <boost/wave/cpplexer/cpp_lex_token.hpp> #include <boost/wave/cpplexer/cpp_lex_iterator.hpp> #include <iostream> int main() { std::string input( "#if 0\n" "6.28\n" "#else\n" "3.14\n" "#endif\n" ); try { typedef boost::wave::cpplexer::lex_token<> token_type; typedef boost::wave::cpplexer::lex_iterator<token_type> lex_iterator_type; typedef boost::wave::context<std::string::iterator, lex_iterator_type> context_type; context_type ctx( input.begin(), input.end(), "input.cpp" ); for( context_type::iterator_type first = ctx.begin(), last = ctx.end(); first != last; ++first ) { std::cout << first->get_value(); } return 0; } catch( boost::wave::cpp_exception const & x ) { std::cerr << x.file_name() << "(" << x.line_no() << "): " << x.description() << std::endl; return 1; } catch( std::exception const & x ) { std::cerr << "Exception: " << x.what() << std::endl; return 2; } }