/*============================================================================= Copyright (c) 2001-2011 Joel de Guzman Copyright (c) 2001-2011 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) =============================================================================*/ #if !defined(BOOST_SPIRIT_CONJURE_EXPRESSION_HPP) #define BOOST_SPIRIT_CONJURE_EXPRESSION_HPP /////////////////////////////////////////////////////////////////////////////// // Spirit v2.5 allows you to suppress automatic generation // of predefined terminals to speed up complation. With // BOOST_SPIRIT_NO_PREDEFINED_TERMINALS defined, you are // responsible in creating instances of the terminals that // you need (e.g. see qi::uint_type uint_ below). #define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS /////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////// // Uncomment this if you want to enable debugging // #define BOOST_SPIRIT_QI_DEBUG /////////////////////////////////////////////////////////////////////////////// #include <boost/spirit/include/qi.hpp> #include "ast.hpp" #include "error_handler.hpp" #include <vector> namespace client { namespace parser { namespace qi = boost::spirit::qi; namespace ascii = boost::spirit::ascii; /////////////////////////////////////////////////////////////////////////////// // The expression grammar /////////////////////////////////////////////////////////////////////////////// template <typename Iterator, typename Lexer> struct expression : qi::grammar<Iterator, ast::expression()> { typedef error_handler<typename Lexer::base_iterator_type, Iterator> error_handler_type; expression(error_handler_type& error_handler, Lexer const& l); Lexer const& lexer; qi::rule<Iterator, ast::expression()> expr; qi::rule<Iterator, ast::operand()> unary_expr, postfix_expr; qi::rule<Iterator, ast::function_call()> function_call; qi::rule<Iterator, std::list<ast::expression>()> argument_list; qi::rule<Iterator, std::string()> identifier; qi::rule<Iterator, ast::primary_expr()> primary_expr; }; }} #endif