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/Src/Dependencies/Boost/boost/spirit/home/qi/parse_attr.hpp

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C++ Header | 177 lines | 123 code | 25 blank | 29 comment | 3 complexity | 39f4c0990285f0e232e90a90b5c94f17 MD5 | raw file
  1//  Copyright (c) 2001-2011 Hartmut Kaiser
  2//  Copyright (c) 2001-2011 Joel de Guzman
  3//  Copyright (c) 2009 Carl Barron
  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_PP_IS_ITERATING)
  9
 10#if !defined(BOOST_SPIRIT_PARSE_ATTR_APRIL_24_2009_1043AM)
 11#define BOOST_SPIRIT_PARSE_ATTR_APRIL_24_2009_1043AM
 12
 13#include <boost/spirit/home/qi/parse.hpp>
 14
 15#include <boost/fusion/include/vector.hpp>
 16#include <boost/preprocessor/cat.hpp>
 17#include <boost/preprocessor/iterate.hpp>
 18#include <boost/preprocessor/repetition/enum.hpp>
 19#include <boost/preprocessor/repetition/enum_params.hpp>
 20#include <boost/preprocessor/repetition/enum_binary_params.hpp>
 21
 22#define BOOST_PP_FILENAME_1 <boost/spirit/home/qi/parse_attr.hpp>
 23#define BOOST_PP_ITERATION_LIMITS (2, SPIRIT_ARGUMENTS_LIMIT)
 24#include BOOST_PP_ITERATE()
 25
 26#endif
 27
 28///////////////////////////////////////////////////////////////////////////////
 29//
 30//  Preprocessor vertical repetition code
 31//
 32///////////////////////////////////////////////////////////////////////////////
 33#else // defined(BOOST_PP_IS_ITERATING)
 34
 35#define N BOOST_PP_ITERATION()
 36#define BOOST_SPIRIT_QI_ATTRIBUTE_REFERENCE(z, n, A) BOOST_PP_CAT(A, n)&
 37
 38namespace boost { namespace spirit { namespace qi
 39{
 40    ///////////////////////////////////////////////////////////////////////////
 41    template <typename Iterator, typename Expr
 42      , BOOST_PP_ENUM_PARAMS(N, typename A)>
 43    inline bool
 44    parse(
 45        Iterator& first
 46      , Iterator last
 47      , Expr const& expr
 48      , BOOST_PP_ENUM_BINARY_PARAMS(N, A, & attr))
 49    {
 50        // Make sure the iterator is at least a forward_iterator. If you got an 
 51        // compilation error here, then you are using an input_iterator while
 52        // calling this function, you need to supply at least a 
 53        // forward_iterator instead.
 54        BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>));
 55
 56        // Report invalid expression error as early as possible.
 57        // If you got an error_invalid_expression error message here,
 58        // then the expression (expr) is not a valid spirit qi expression.
 59        BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr);
 60
 61        typedef fusion::vector<
 62            BOOST_PP_ENUM(N, BOOST_SPIRIT_QI_ATTRIBUTE_REFERENCE, A)
 63        > vector_type;
 64
 65        vector_type attr (BOOST_PP_ENUM_PARAMS(N, attr));
 66        return compile<qi::domain>(expr).parse(first, last, unused, unused, attr);
 67    }
 68
 69    template <typename Iterator, typename Expr
 70      , BOOST_PP_ENUM_PARAMS(N, typename A)>
 71    inline bool
 72    parse(
 73        Iterator const& first_
 74      , Iterator last
 75      , Expr const& expr
 76      , BOOST_PP_ENUM_BINARY_PARAMS(N, A, & attr))
 77    {
 78        Iterator first = first_;
 79        return qi::parse(first, last, expr, BOOST_PP_ENUM_PARAMS(N, attr));
 80    }
 81
 82    ///////////////////////////////////////////////////////////////////////////
 83    template <typename Iterator, typename Expr, typename Skipper
 84      , BOOST_PP_ENUM_PARAMS(N, typename A)>
 85    inline bool
 86    phrase_parse(
 87        Iterator& first
 88      , Iterator last
 89      , Expr const& expr
 90      , Skipper const& skipper
 91      , BOOST_SCOPED_ENUM(skip_flag) post_skip
 92      , BOOST_PP_ENUM_BINARY_PARAMS(N, A, & attr))
 93    {
 94        // Make sure the iterator is at least a forward_iterator. If you got an 
 95        // compilation error here, then you are using an input_iterator while
 96        // calling this function, you need to supply at least a 
 97        // forward_iterator instead.
 98        BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>));
 99
100        // Report invalid expression error as early as possible.
101        // If you got an error_invalid_expression error message here,
102        // then either the expression (expr) or skipper is not a valid
103        // spirit qi expression.
104        BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr);
105        BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Skipper);
106
107        typedef
108            typename result_of::compile<qi::domain, Skipper>::type
109        skipper_type;
110        skipper_type const skipper_ = compile<qi::domain>(skipper);
111
112        typedef fusion::vector<
113            BOOST_PP_ENUM(N, BOOST_SPIRIT_QI_ATTRIBUTE_REFERENCE, A)
114        > vector_type;
115
116        vector_type attr (BOOST_PP_ENUM_PARAMS(N, attr));
117        if (!compile<qi::domain>(expr).parse(
118                first, last, unused, skipper_, attr))
119            return false;
120
121        if (post_skip == skip_flag::postskip)
122            qi::skip_over(first, last, skipper_);
123        return true;
124    }
125
126    template <typename Iterator, typename Expr, typename Skipper
127      , BOOST_PP_ENUM_PARAMS(N, typename A)>
128    inline bool
129    phrase_parse(
130        Iterator const& first_
131      , Iterator last
132      , Expr const& expr
133      , Skipper const& skipper
134      , BOOST_SCOPED_ENUM(skip_flag) post_skip
135      , BOOST_PP_ENUM_BINARY_PARAMS(N, A, & attr))
136    {
137        Iterator first = first_;
138        return qi::phrase_parse(first, last, expr, skipper, post_skip
139          , BOOST_PP_ENUM_PARAMS(N, attr));
140    }
141
142    ///////////////////////////////////////////////////////////////////////////
143    template <typename Iterator, typename Expr, typename Skipper
144      , BOOST_PP_ENUM_PARAMS(N, typename A)>
145    inline bool
146    phrase_parse(
147        Iterator& first
148      , Iterator last
149      , Expr const& expr
150      , Skipper const& skipper
151      , BOOST_PP_ENUM_BINARY_PARAMS(N, A, & attr))
152    {
153        return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip
154          , BOOST_PP_ENUM_PARAMS(N, attr));
155    }
156
157    template <typename Iterator, typename Expr, typename Skipper
158      , BOOST_PP_ENUM_PARAMS(N, typename A)>
159    inline bool
160    phrase_parse(
161        Iterator const& first_
162      , Iterator last
163      , Expr const& expr
164      , Skipper const& skipper
165      , BOOST_PP_ENUM_BINARY_PARAMS(N, A, & attr))
166    {
167        Iterator first = first_;
168        return qi::phrase_parse(first, last, expr, skipper, skip_flag::postskip
169          , BOOST_PP_ENUM_PARAMS(N, attr));
170    }
171}}}
172
173#undef BOOST_SPIRIT_QI_ATTRIBUTE_REFERENCE
174#undef N
175
176#endif
177