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Diffstat (limited to '3party/boost/boost/spirit/home/x3/core/parse.hpp')
| -rw-r--r-- | 3party/boost/boost/spirit/home/x3/core/parse.hpp | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/3party/boost/boost/spirit/home/x3/core/parse.hpp b/3party/boost/boost/spirit/home/x3/core/parse.hpp new file mode 100644 index 0000000000..ac36e3c7ea --- /dev/null +++ b/3party/boost/boost/spirit/home/x3/core/parse.hpp @@ -0,0 +1,190 @@ +/*============================================================================= + Copyright (c) 2001-2014 Joel de Guzman + + 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_X3_PARSE_APRIL_16_2006_0442PM) +#define BOOST_SPIRIT_X3_PARSE_APRIL_16_2006_0442PM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/spirit/home/x3/support/context.hpp> +#include <boost/spirit/home/x3/core/parser.hpp> +#include <boost/spirit/home/x3/core/skip_over.hpp> +#include <boost/concept_check.hpp> + +namespace boost { namespace spirit { namespace x3 +{ + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Attribute> + inline bool + parse_main( + Iterator& first + , Iterator last + , Parser const& p + , Attribute& attr) + { + // Make sure the iterator is at least a forward_iterator. If you got a + // compilation error here, then you are using an input_iterator while + // calling this function. You need to supply at least a forward_iterator + // instead. + BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>)); + + // If you get an error no matching function for call to 'as_parser' + // here, then p is not a parser or there is no suitable conversion + // from p to a parser. + return as_parser(p).parse(first, last, unused, unused, attr); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Attribute> + inline bool + parse( + Iterator& first + , Iterator last + , Parser const& p + , Attribute& attr) + { + return parse_main(first, last, p, attr); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Attribute> + inline bool + parse( + Iterator const& first_ + , Iterator last + , Parser const& p + , Attribute& attr) + { + Iterator first = first_; + return parse_main(first, last, p, attr); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser> + inline bool + parse( + Iterator& first + , Iterator last + , Parser const& p) + { + return parse_main(first, last, p, unused); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser> + inline bool + parse( + Iterator const& first_ + , Iterator last + , Parser const& p) + { + Iterator first = first_; + return parse_main(first, last, p, unused); + } + + /////////////////////////////////////////////////////////////////////////// + enum class skip_flag + { + post_skip, // force post-skipping in phrase_parse() + dont_post_skip // inhibit post-skipping in phrase_parse() + }; + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Skipper, typename Attribute> + inline bool + phrase_parse_main( + Iterator& first + , Iterator last + , Parser const& p + , Skipper const& s + , Attribute& attr + , skip_flag post_skip = skip_flag::post_skip) + { + // Make sure the iterator is at least a forward_iterator. If you got a + // compilation error here, then you are using an input_iterator while + // calling this function. You need to supply at least a forward_iterator + // instead. + BOOST_CONCEPT_ASSERT((ForwardIterator<Iterator>)); + + // If you get an error no matching function for call to 'as_parser' + // here, for either p or s, then p or s is not a parser or there is + // no suitable conversion from p to a parser. + auto skipper_ctx = make_context<skipper_tag>(as_parser(s)); + bool r = as_parser(p).parse(first, last, skipper_ctx, unused, attr); + if (post_skip == skip_flag::post_skip) + x3::skip_over(first, last, skipper_ctx); + return r; + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Skipper, typename Attribute> + inline bool + phrase_parse( + Iterator& first + , Iterator last + , Parser const& p + , Skipper const& s + , Attribute& attr + , skip_flag post_skip = skip_flag::post_skip) + { + return phrase_parse_main(first, last, p, s, attr, post_skip); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Skipper, typename Attribute> + inline bool + phrase_parse( + Iterator const& first_ + , Iterator last + , Parser const& p + , Skipper const& s + , Attribute& attr + , skip_flag post_skip = skip_flag::post_skip) + { + Iterator first = first_; + return phrase_parse_main(first, last, p, s, attr, post_skip); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Skipper> + inline bool + phrase_parse( + Iterator& first + , Iterator last + , Parser const& p + , Skipper const& s + , skip_flag post_skip = skip_flag::post_skip) + { + return phrase_parse_main(first, last, p, s, unused, post_skip); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Iterator, typename Parser, typename Skipper> + inline bool + phrase_parse( + Iterator const& first_ + , Iterator last + , Parser const& p + , Skipper const& s + , skip_flag post_skip = skip_flag::post_skip) + { + Iterator first = first_; + return phrase_parse_main(first, last, p, s, unused, post_skip); + } + + /////////////////////////////////////////////////////////////////////////// + template <typename Skipper> + struct phrase_parse_context + { + typedef decltype( + make_context<skipper_tag>(as_parser(std::declval<Skipper>()))) + type; + }; +}}} + +#endif |