1 /*=============================================================================
2     Copyright (c) 2001-2011 Joel de Guzman
3 
4     Distributed under the Boost Software License, Version 1.0. (See accompanying
5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 =============================================================================*/
7 #if !defined(BOOST_SPIRIT_MINIC_EXPRESSION_HPP)
8 #define BOOST_SPIRIT_MINIC_EXPRESSION_HPP
9 
10 ///////////////////////////////////////////////////////////////////////////////
11 // Spirit v2.5 allows you to suppress automatic generation
12 // of predefined terminals to speed up complation. With
13 // BOOST_SPIRIT_NO_PREDEFINED_TERMINALS defined, you are
14 // responsible in creating instances of the terminals that
15 // you need (e.g. see qi::uint_type uint_ below).
16 #define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
17 ///////////////////////////////////////////////////////////////////////////////
18 
19 ///////////////////////////////////////////////////////////////////////////////
20 // Uncomment this if you want to enable debugging
21 // #define BOOST_SPIRIT_QI_DEBUG
22 ///////////////////////////////////////////////////////////////////////////////
23 
24 #include <boost/spirit/include/qi.hpp>
25 #include "ast.hpp"
26 #include "error_handler.hpp"
27 #include "skipper.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>
39     struct expression : qi::grammar<Iterator, ast::expression(), skipper<Iterator> >
40     {
41         expression(error_handler<Iterator>& error_handler);
42 
43         qi::rule<Iterator, ast::expression(), skipper<Iterator> >
44             expr, equality_expr, relational_expr,
45             logical_or_expr, logical_and_expr,
46             additive_expr, multiplicative_expr
47             ;
48 
49         qi::rule<Iterator, ast::operand(), skipper<Iterator> >
50             unary_expr, primary_expr
51             ;
52 
53         qi::rule<Iterator, ast::function_call(), skipper<Iterator> >
54             function_call
55             ;
56 
57         qi::rule<Iterator, std::list<ast::expression>(), skipper<Iterator> >
58             argument_list
59             ;
60 
61         qi::rule<Iterator, std::string(), skipper<Iterator> >
62             identifier
63             ;
64 
65         qi::symbols<char, ast::optoken>
66             logical_or_op, logical_and_op,
67             equality_op, relational_op,
68             additive_op, multiplicative_op, unary_op
69             ;
70 
71         qi::symbols<char>
72             keywords
73             ;
74     };
75 }}
76 
77 #endif
78 
79 
80