| 1 | /*============================================================================= |
| 2 | Copyright (c) 2001-2011 Joel de Guzman |
| 3 | Copyright (c) 2001-2011 Hartmut Kaiser |
| 4 | |
| 5 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 7 | =============================================================================*/ |
| 8 | #if !defined(BOOST_SPIRIT_CONJURE_EXPRESSION_HPP) |
| 9 | #define BOOST_SPIRIT_CONJURE_EXPRESSION_HPP |
| 10 | |
| 11 | /////////////////////////////////////////////////////////////////////////////// |
| 12 | // Spirit v2.5 allows you to suppress automatic generation |
| 13 | // of predefined terminals to speed up complation. With |
| 14 | // BOOST_SPIRIT_NO_PREDEFINED_TERMINALS defined, you are |
| 15 | // responsible in creating instances of the terminals that |
| 16 | // you need (e.g. see qi::uint_type uint_ below). |
| 17 | #define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS |
| 18 | /////////////////////////////////////////////////////////////////////////////// |
| 19 | |
| 20 | /////////////////////////////////////////////////////////////////////////////// |
| 21 | // Uncomment this if you want to enable debugging |
| 22 | // #define BOOST_SPIRIT_QI_DEBUG |
| 23 | /////////////////////////////////////////////////////////////////////////////// |
| 24 | |
| 25 | #include <boost/spirit/include/qi.hpp> |
| 26 | #include "ast.hpp" |
| 27 | #include "error_handler.hpp" |
| 28 | #include <vector> |
| 29 | |
| 30 | namespace client { namespace parser |
| 31 | { |
| 32 | namespace qi = boost::spirit::qi; |
| 33 | namespace ascii = boost::spirit::ascii; |
| 34 | |
| 35 | /////////////////////////////////////////////////////////////////////////////// |
| 36 | // The expression grammar |
| 37 | /////////////////////////////////////////////////////////////////////////////// |
| 38 | template <typename Iterator, typename Lexer> |
| 39 | struct expression : qi::grammar<Iterator, ast::expression()> |
| 40 | { |
| 41 | typedef error_handler<typename Lexer::base_iterator_type, Iterator> |
| 42 | error_handler_type; |
| 43 | |
| 44 | expression(error_handler_type& error_handler, Lexer const& l); |
| 45 | |
| 46 | Lexer const& lexer; |
| 47 | |
| 48 | qi::rule<Iterator, ast::expression()> expr; |
| 49 | qi::rule<Iterator, ast::operand()> unary_expr, primary_expr; |
| 50 | qi::rule<Iterator, ast::function_call()> function_call; |
| 51 | qi::rule<Iterator, std::list<ast::expression>()> argument_list; |
| 52 | qi::rule<Iterator, std::string()> identifier; |
| 53 | }; |
| 54 | }} |
| 55 | |
| 56 | #endif |
| 57 | |
| 58 | |
| 59 | |