GG
ExpressionParser.h
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1 // -*- C++ -*-
2 /* GG is a GUI for SDL and OpenGL.
3  Copyright (C) 2003-2008 T. Zachary Laine
4 
5  This library is free software; you can redistribute it and/or
6  modify it under the terms of the GNU Lesser General Public License
7  as published by the Free Software Foundation; either version 2.1
8  of the License, or (at your option) any later version.
9 
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public
16  License along with this library; if not, write to the Free
17  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18  02111-1307 USA
19 
20  If you do not wish to comply with the terms of the LGPL please
21  contact the author as other terms are available for a fee.
22 
23  Zach Laine
24  whatwasthataddress@gmail.com */
25 
28 #ifndef _GG_ExpressionParser_h_
29 #define _GG_ExpressionParser_h_
30 
31 #include <GG/Lexer.h>
32 #include <GG/adobe/array.hpp>
33 #include <GG/adobe/dictionary.hpp>
34 #include <GG/adobe/implementation/token.hpp>
35 
36 #include <boost/spirit/include/qi.hpp>
37 #include <boost/spirit/include/phoenix.hpp>
38 
39 
40 namespace GG {
41 
42 struct GG_API expression_parser_rules
43 {
44  typedef boost::spirit::qi::rule<
45  token_iterator,
46  adobe::name_t(),
47  skipper_type
48  > keyword_rule;
49 
50  expression_parser_rules(const lexer& tok, const keyword_rule& keyword_);
51 
52  typedef boost::spirit::qi::rule<
53  token_iterator,
54  void(adobe::array_t&),
55  boost::spirit::qi::locals<adobe::array_t, adobe::array_t>,
56  skipper_type
57  > expression_rule;
58  typedef boost::spirit::qi::rule<
59  token_iterator,
60  void(adobe::array_t&),
61  boost::spirit::qi::locals<adobe::name_t>,
62  skipper_type
63  > local_name_rule;
64  typedef boost::spirit::qi::rule<
65  token_iterator,
66  void(adobe::array_t&),
67  boost::spirit::qi::locals<std::size_t>,
68  skipper_type
69  > local_size_rule;
70  typedef boost::spirit::qi::rule<
71  token_iterator,
72  void(adobe::array_t&),
73  boost::spirit::qi::locals<adobe::array_t>,
74  skipper_type
75  > local_array_rule;
76  typedef boost::spirit::qi::rule<
77  token_iterator,
78  void(adobe::array_t&),
79  skipper_type
80  > no_locals_rule;
81 
82  // expression grammar
83  expression_rule expression;
84 
85  local_array_rule or_expression;
86  local_array_rule and_expression;
87  local_name_rule equality_expression;
88  local_name_rule relational_expression;
89  local_name_rule additive_expression;
90  local_name_rule multiplicative_expression;
91  local_name_rule unary_expression;
92  no_locals_rule postfix_expression;
93  no_locals_rule primary_expression;
94  local_name_rule variable_or_function;
95  no_locals_rule array;
96  no_locals_rule dictionary;
97  no_locals_rule argument_expression_list;
98  local_size_rule argument_list;
99  local_size_rule named_argument_list;
100  local_name_rule named_argument;
101  no_locals_rule name;
102  no_locals_rule boolean;
103 
104  // lexical grammar
105  boost::spirit::qi::rule<
106  token_iterator,
107  void(adobe::array_t&),
108  boost::spirit::qi::locals<std::string>,
109  skipper_type
110  > string;
111  keyword_rule keyword;
112 };
113 
114 }
115 
116 #endif