comparison DEPENDENCIES/generic/include/boost/spirit/home/qi/directive/no_skip.hpp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
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children c530137014c0
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15:663ca0da4350 16:2665513ce2d3
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(SPIRIT_NO_SKIP_JAN_16_2010_0802PM)
9 #define SPIRIT_NO_SKIP_JAN_16_2010_0802PM
10
11 #if defined(_MSC_VER)
12 #pragma once
13 #endif
14
15 #include <boost/spirit/home/qi/meta_compiler.hpp>
16 #include <boost/spirit/home/qi/skip_over.hpp>
17 #include <boost/spirit/home/qi/parser.hpp>
18 #include <boost/spirit/home/qi/detail/unused_skipper.hpp>
19 #include <boost/spirit/home/support/unused.hpp>
20 #include <boost/spirit/home/support/common_terminals.hpp>
21 #include <boost/spirit/home/support/attributes.hpp>
22 #include <boost/spirit/home/support/info.hpp>
23 #include <boost/spirit/home/support/has_semantic_action.hpp>
24 #include <boost/spirit/home/support/handles_container.hpp>
25
26 namespace boost { namespace spirit
27 {
28 ///////////////////////////////////////////////////////////////////////////
29 // Enablers
30 ///////////////////////////////////////////////////////////////////////////
31 template <>
32 struct use_directive<qi::domain, tag::no_skip> // enables no_skip
33 : mpl::true_ {};
34 }}
35
36 namespace boost { namespace spirit { namespace qi
37 {
38 #ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
39 using spirit::no_skip;
40 #endif
41 using spirit::no_skip_type;
42
43 // same as lexeme[], but does not pre-skip
44 template <typename Subject>
45 struct no_skip_directive : unary_parser<no_skip_directive<Subject> >
46 {
47 typedef Subject subject_type;
48 no_skip_directive(Subject const& subject_)
49 : subject(subject_) {}
50
51 template <typename Context, typename Iterator>
52 struct attribute
53 {
54 typedef typename
55 traits::attribute_of<subject_type, Context, Iterator>::type
56 type;
57 };
58
59 template <typename Iterator, typename Context
60 , typename Skipper, typename Attribute>
61 bool parse(Iterator& first, Iterator const& last
62 , Context& context, Skipper const& skipper
63 , Attribute& attr_) const
64 {
65 return subject.parse(first, last, context
66 , detail::unused_skipper<Skipper>(skipper), attr_);
67 }
68
69 template <typename Context>
70 info what(Context& context) const
71 {
72 return info("no_skip", subject.what(context));
73
74 }
75
76 Subject subject;
77 };
78
79 ///////////////////////////////////////////////////////////////////////////
80 // Parser generators: make_xxx function (objects)
81 ///////////////////////////////////////////////////////////////////////////
82 template <typename Subject, typename Modifiers>
83 struct make_directive<tag::no_skip, Subject, Modifiers>
84 {
85 typedef no_skip_directive<Subject> result_type;
86 result_type operator()(unused_type, Subject const& subject, unused_type) const
87 {
88 return result_type(subject);
89 }
90 };
91 }}}
92
93 namespace boost { namespace spirit { namespace traits
94 {
95 ///////////////////////////////////////////////////////////////////////////
96 template <typename Subject>
97 struct has_semantic_action<qi::no_skip_directive<Subject> >
98 : unary_has_semantic_action<Subject> {};
99
100 ///////////////////////////////////////////////////////////////////////////
101 template <typename Subject, typename Attribute, typename Context
102 , typename Iterator>
103 struct handles_container<qi::no_skip_directive<Subject>, Attribute
104 , Context, Iterator>
105 : unary_handles_container<Subject, Attribute, Context, Iterator> {};
106 }}}
107
108 #endif