| 1 | /*============================================================================= |
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| 2 | Copyright (c) 2001-2014 Joel de Guzman |
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| 3 | |
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| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | =============================================================================*/ |
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| 7 | #if !defined(BOOST_SPIRIT_X3_CALC8_COMMON_HPP) |
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| 8 | #define BOOST_SPIRIT_X3_CALC8_COMMON_HPP |
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| 9 | |
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| 10 | #include <boost/spirit/home/x3.hpp> |
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| 11 | |
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| 12 | namespace client { namespace parser |
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| 13 | { |
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| 14 | using x3::raw; |
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| 15 | using x3::lexeme; |
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| 16 | using x3::alpha; |
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| 17 | using x3::alnum; |
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| 18 | |
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| 19 | struct identifier_class; |
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| 20 | typedef x3::rule<identifier_class, std::string> identifier_type; |
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| 21 | identifier_type const identifier = "identifier" ; |
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| 22 | |
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| 23 | auto const identifier_def = raw[lexeme[(alpha | '_') >> *(alnum | '_')]]; |
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| 24 | |
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| 25 | BOOST_SPIRIT_DEFINE(identifier); |
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| 26 | }} |
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| 27 | |
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| 28 | #endif |
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| 29 | |
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