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author | Kevin Smith <git@kismith.co.uk> | 2013-01-04 19:42:37 (GMT) |
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committer | Kevin Smith <git@kismith.co.uk> | 2013-04-06 13:36:54 (GMT) |
commit | 3333ab69d62d1be7ae7dd7a4e56cc4bb608d3add (patch) | |
tree | 5ee630b666ae21dd4c4202703c158383de1faf91 /3rdParty/Boost/src/boost/spirit/home/classic/core/composite/positive.hpp | |
parent | b9ef4566d31219d66a615b1eae042a01828c8b7d (diff) | |
download | swift-3333ab69d62d1be7ae7dd7a4e56cc4bb608d3add.zip swift-3333ab69d62d1be7ae7dd7a4e56cc4bb608d3add.tar.bz2 |
Add boost serialization library
We'll need it before too long
Change-Id: Ia34c7f26e1aedbc13a2fc10c980994cbcb7cb348
Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/classic/core/composite/positive.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/classic/core/composite/positive.hpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/classic/core/composite/positive.hpp b/3rdParty/Boost/src/boost/spirit/home/classic/core/composite/positive.hpp new file mode 100644 index 0000000..7b494b4 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/classic/core/composite/positive.hpp @@ -0,0 +1,112 @@ +/*============================================================================= + Copyright (c) 1998-2003 Joel de Guzman + Copyright (c) 2001 Daniel Nuffer + Copyright (c) 2002 Hartmut Kaiser + http://spirit.sourceforge.net/ + + 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_POSITIVE_HPP) +#define BOOST_SPIRIT_POSITIVE_HPP + +#include <boost/spirit/home/classic/namespace.hpp> +#include <boost/spirit/home/classic/core/parser.hpp> +#include <boost/spirit/home/classic/core/primitives/primitives.hpp> +#include <boost/spirit/home/classic/core/composite/composite.hpp> +#include <boost/spirit/home/classic/meta/as_parser.hpp> + +namespace boost { namespace spirit { + +BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN + + /////////////////////////////////////////////////////////////////////////// + // + // positive class + // + // Handles expressions of the form: + // + // +a + // + // where a is a parser. The expression returns a composite + // parser that matches its subject one (1) or more times. + // + /////////////////////////////////////////////////////////////////////////// + struct positive_parser_gen; + +#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) +#pragma warning(push) +#pragma warning(disable:4512) //assignment operator could not be generated +#endif + + template <typename S> + struct positive + : public unary<S, parser<positive<S> > > + { + typedef positive<S> self_t; + typedef unary_parser_category parser_category_t; + typedef positive_parser_gen parser_generator_t; + typedef unary<S, parser<self_t> > base_t; + + positive(S const& a) + : base_t(a) {} + + template <typename ScannerT> + typename parser_result<self_t, ScannerT>::type + parse(ScannerT const& scan) const + { + typedef typename parser_result<self_t, ScannerT>::type result_t; + typedef typename ScannerT::iterator_t iterator_t; + result_t hit = this->subject().parse(scan); + + if (hit) + { + for (;;) + { + iterator_t save = scan.first; + if (result_t next = this->subject().parse(scan)) + { + scan.concat_match(hit, next); + } + else + { + scan.first = save; + break; + } + } + } + return hit; + } + }; + +#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) +#pragma warning(pop) +#endif + + struct positive_parser_gen + { + template <typename S> + struct result + { + typedef positive<S> type; + }; + + template <typename S> + static positive<S> + generate(parser<S> const& a) + { + return positive<S>(a.derived()); + } + }; + + template <typename S> + inline positive<S> + operator+(parser<S> const& a); + +BOOST_SPIRIT_CLASSIC_NAMESPACE_END + +}} // namespace BOOST_SPIRIT_CLASSIC_NS + +#endif + +#include <boost/spirit/home/classic/core/composite/impl/positive.ipp> |