diff -r 000000000000 -r bde4ae8d615e os/ossrv/ossrv_pub/boost_apis/boost/spirit/dynamic/switch.hpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/ossrv_pub/boost_apis/boost/spirit/dynamic/switch.hpp Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,255 @@
+/*=============================================================================
+ Copyright (c) 2003 Hartmut Kaiser
+ http://spirit.sourceforge.net/
+
+ Use, modification and distribution is subject to 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)
+=============================================================================*/
+#ifndef BOOST_SPIRIT_SWITCH_HPP
+#define BOOST_SPIRIT_SWITCH_HPP
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// The default_p parser generator template uses the following magic number
+// as the corresponding case label value inside the generated switch()
+// statements. If this number conflicts with your code, please pick a
+// different one.
+//
+///////////////////////////////////////////////////////////////////////////////
+#if !defined(BOOST_SPIRIT_DEFAULTCASE_MAGIC)
+#define BOOST_SPIRIT_DEFAULTCASE_MAGIC 0x15F97A7
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// Spirit predefined maximum number of possible case_p/default_p case branch
+// parsers.
+//
+///////////////////////////////////////////////////////////////////////////////
+#if !defined(BOOST_SPIRIT_SWITCH_CASE_LIMIT)
+#define BOOST_SPIRIT_SWITCH_CASE_LIMIT 3
+#endif // !defined(BOOST_SPIRIT_SWITCH_CASE_LIMIT)
+
+///////////////////////////////////////////////////////////////////////////////
+#include <boost/static_assert.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// Ensure BOOST_SPIRIT_SELECT_LIMIT > 0
+//
+///////////////////////////////////////////////////////////////////////////////
+BOOST_STATIC_ASSERT(BOOST_SPIRIT_SWITCH_CASE_LIMIT > 0);
+
+#include <boost/spirit/core/config.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/spirit/core/parser.hpp>
+#include <boost/spirit/core/composite/epsilon.hpp>
+#include <boost/spirit/dynamic/impl/switch.ipp>
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit {
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// The switch_parser allows to build switch like parsing constructs, which
+// will have much better perfomance as comparable straight solutions.
+//
+// Input stream driven syntax:
+//
+// switch_p
+// [
+// case_p<'a'>
+// (...parser to use, if the next character is 'a'...),
+// case_p<'b'>
+// (...parser to use, if the next character is 'b'...),
+// default_p
+// (...parser to use, if nothing was matched before...)
+// ]
+//
+// General syntax:
+//
+// switch_p(...lazy expression returning the switch condition value...)
+// [
+// case_p<1>
+// (...parser to use, if the switch condition value is 1...),
+// case_p<2>
+// (...parser to use, if the switch condition value is 2...),
+// default_p
+// (...parser to use, if nothing was matched before...)
+// ]
+//
+// The maximum number of possible case_p branches is defined by the p constant
+// BOOST_SPIRIT_SWITCH_CASE_LIMIT (this value defaults to 3 if not otherwise
+// defined).
+//
+///////////////////////////////////////////////////////////////////////////////
+template <typename CaseT, typename CondT = impl::get_next_token_cond>
+struct switch_parser
+: public unary<CaseT, parser<switch_parser<CaseT, CondT> > >
+{
+ typedef switch_parser<CaseT, CondT> self_t;
+ typedef unary_parser_category parser_category_t;
+ typedef unary<CaseT, parser<self_t> > base_t;
+
+ switch_parser(CaseT const &case_)
+ : base_t(case_), cond(CondT())
+ {}
+
+ switch_parser(CaseT const &case_, CondT const &cond_)
+ : base_t(case_), cond(cond_)
+ {}
+
+ template <typename ScannerT>
+ struct result
+ {
+ typedef typename match_result<ScannerT, nil_t>::type type;
+ };
+
+ template <typename ScannerT>
+ typename parser_result<self_t, ScannerT>::type
+ parse(ScannerT const& scan) const
+ {
+ return this->subject().parse(scan,
+ impl::make_cond_functor<CondT>::do_(cond));
+ }
+
+ CondT cond;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+template <typename CondT>
+struct switch_cond_parser
+{
+ switch_cond_parser(CondT const &cond_)
+ : cond(cond_)
+ {}
+
+ template <typename ParserT>
+ switch_parser<ParserT, CondT>
+ operator[](parser<ParserT> const &p) const
+ {
+ return switch_parser<ParserT, CondT>(p.derived(), cond);
+ }
+
+ CondT const &cond;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+template <int N, typename ParserT, bool IsDefault>
+struct case_parser
+: public unary<ParserT, parser<case_parser<N, ParserT, IsDefault> > >
+{
+ typedef case_parser<N, ParserT, IsDefault> self_t;
+ typedef unary_parser_category parser_category_t;
+ typedef unary<ParserT, parser<self_t> > base_t;
+
+ typedef typename base_t::subject_t self_subject_t;
+
+ BOOST_STATIC_CONSTANT(int, value = N);
+ BOOST_STATIC_CONSTANT(bool, is_default = IsDefault);
+ BOOST_STATIC_CONSTANT(bool, is_simple = true);
+ BOOST_STATIC_CONSTANT(bool, is_epsilon = (
+ is_default && boost::is_same<self_subject_t, epsilon_parser>::value
+ ));
+
+ case_parser(parser<ParserT> const &p)
+ : base_t(p.derived())
+ {}
+
+ template <typename ScannerT>
+ struct result
+ {
+ typedef typename match_result<ScannerT, nil_t>::type type;
+ };
+
+ template <typename ScannerT, typename CondT>
+ typename parser_result<self_t, ScannerT>::type
+ parse(ScannerT const& scan, CondT const &cond) const
+ {
+ typedef impl::default_case<self_t> default_t;
+
+ if (!scan.at_end()) {
+ typedef impl::default_delegate_parse<
+ value, is_default, default_t::value> default_parse_t;
+
+ typename ScannerT::iterator_t const save(scan.first);
+ return default_parse_t::parse(cond(scan), *this,
+ *this, scan, save);
+ }
+
+ return default_t::is_epsilon ? scan.empty_match() : scan.no_match();
+ }
+
+ template <int N1, typename ParserT1, bool IsDefault1>
+ impl::compound_case_parser<
+ self_t, case_parser<N1, ParserT1, IsDefault1>, IsDefault1
+ >
+ operator, (case_parser<N1, ParserT1, IsDefault1> const &p) const
+ {
+ // If the following compile time assertion fires, you've probably used
+ // more than one default_p case inside the switch_p parser construct.
+ BOOST_STATIC_ASSERT(!is_default || !IsDefault1);
+
+ typedef case_parser<N1, ParserT1, IsDefault1> right_t;
+ return impl::compound_case_parser<self_t, right_t, IsDefault1>(*this, p);
+ }
+};
+
+///////////////////////////////////////////////////////////////////////////////
+struct switch_parser_gen {
+
+// This generates a switch parser, which is driven by the condition value
+// returned by the lazy parameter expression 'cond'. This may be a parser,
+// which result is used or a phoenix actor, which will be dereferenced to
+// obtain the switch condition value.
+ template <typename CondT>
+ switch_cond_parser<CondT>
+ operator()(CondT const &cond) const
+ {
+ return switch_cond_parser<CondT>(cond);
+ }
+
+// This generates a switch parser, which is driven by the next character/token
+// found in the input stream.
+ template <typename CaseT>
+ switch_parser<CaseT>
+ operator[](parser<CaseT> const &p) const
+ {
+ return switch_parser<CaseT>(p.derived());
+ }
+};
+
+switch_parser_gen const switch_p = switch_parser_gen();
+
+///////////////////////////////////////////////////////////////////////////////
+template <int N, typename ParserT>
+inline case_parser<N, ParserT, false>
+case_p(parser<ParserT> const &p)
+{
+ return case_parser<N, ParserT, false>(p);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+struct default_parser_gen
+: public case_parser<BOOST_SPIRIT_DEFAULTCASE_MAGIC, epsilon_parser, true>
+{
+ default_parser_gen()
+ : case_parser<BOOST_SPIRIT_DEFAULTCASE_MAGIC, epsilon_parser, true>
+ (epsilon_p)
+ {}
+
+ template <typename ParserT>
+ case_parser<BOOST_SPIRIT_DEFAULTCASE_MAGIC, ParserT, true>
+ operator()(parser<ParserT> const &p) const
+ {
+ return case_parser<BOOST_SPIRIT_DEFAULTCASE_MAGIC, ParserT, true>(p);
+ }
+};
+
+default_parser_gen const default_p = default_parser_gen();
+
+///////////////////////////////////////////////////////////////////////////////
+}} // namespace boost::spirit
+
+#endif // BOOST_SPIRIT_SWITCH_HPP