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-rw-r--r--3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp
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+++ b/3rdParty/Boost/src/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp
@@ -0,0 +1,87 @@
+/*=============================================================================
+ Copyright (c) 2001-2011 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_PARSER_BINDER_DECEMBER_05_2008_0516_PM)
+#define BOOST_SPIRIT_PARSER_BINDER_DECEMBER_05_2008_0516_PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/fusion/include/at.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/spirit/home/support/has_semantic_action.hpp>
+
+namespace boost { namespace spirit { namespace qi { namespace detail
+{
+ // parser_binder for plain rules
+ template <typename Parser, typename Auto>
+ struct parser_binder
+ {
+ parser_binder(Parser const& p)
+ : p(p) {}
+
+ template <typename Iterator, typename Skipper, typename Context>
+ bool call(Iterator& first, Iterator const& last
+ , Context& context, Skipper const& skipper, mpl::true_) const
+ {
+ // If DeducedAuto is false (semantic actions is present), the
+ // component's attribute is unused.
+ return p.parse(first, last, context, skipper, unused);
+ }
+
+ template <typename Iterator, typename Skipper, typename Context>
+ bool call(Iterator& first, Iterator const& last
+ , Context& context, Skipper const& skipper, mpl::false_) const
+ {
+ // If DeducedAuto is true (no semantic action), we pass the rule's
+ // attribute on to the component.
+ return p.parse(first, last, context, skipper
+ , fusion::at_c<0>(context.attributes));
+ }
+
+ template <typename Iterator, typename Skipper, typename Context>
+ bool operator()(
+ Iterator& first, Iterator const& last
+ , Context& context, Skipper const& skipper) const
+ {
+ // If Auto is false, we need to deduce whether to apply auto rule
+ typedef typename traits::has_semantic_action<Parser>::type auto_rule;
+ return call(first, last, context, skipper, auto_rule());
+ }
+
+ Parser p;
+ };
+
+ // parser_binder for auto rules
+ template <typename Parser>
+ struct parser_binder<Parser, mpl::true_>
+ {
+ parser_binder(Parser const& p)
+ : p(p) {}
+
+ template <typename Iterator, typename Skipper, typename Context>
+ bool operator()(
+ Iterator& first, Iterator const& last
+ , Context& context, Skipper const& skipper) const
+ {
+ // If Auto is true, we pass the rule's attribute on to the component.
+ return p.parse(first, last, context, skipper
+ , fusion::at_c<0>(context.attributes));
+ }
+
+ Parser p;
+ };
+
+ template <typename Auto, typename Parser>
+ inline parser_binder<Parser, Auto>
+ bind_parser(Parser const& p)
+ {
+ return parser_binder<Parser, Auto>(p);
+ }
+}}}}
+
+#endif