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Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/support/multi_pass_wrapper.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/support/multi_pass_wrapper.hpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/support/multi_pass_wrapper.hpp b/3rdParty/Boost/src/boost/spirit/home/support/multi_pass_wrapper.hpp new file mode 100644 index 0000000..ec5fa36 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/support/multi_pass_wrapper.hpp @@ -0,0 +1,52 @@ +// Copyright (c) 2001-2011 Hartmut Kaiser +// +// 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_ITERATOR_MULTI_PASS_WRAPPER_JUL_12_2009_0914PM) +#define BOOST_SPIRIT_ITERATOR_MULTI_PASS_WRAPPER_JUL_12_2009_0914PM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/mpl/bool.hpp> +#include <boost/spirit/home/support/detail/scoped_enum_emulation.hpp> + +namespace boost { namespace spirit { namespace traits +{ + // declare special functions allowing to integrate any multi_pass iterator + // with expectation points + + // normal iterators require no special handling + BOOST_SCOPED_ENUM_START(clear_mode) + { + clear_if_enabled, + clear_always + }; + BOOST_SCOPED_ENUM_END + + template <typename Iterator> + void clear_queue(Iterator& + , BOOST_SCOPED_ENUM(clear_mode) /*mode*/ = clear_mode::clear_if_enabled) + {} + + template <typename Iterator> + void inhibit_clear_queue(Iterator&, bool) + {} + + template <typename Iterator> + bool inhibit_clear_queue(Iterator&) + { + return false; + } + + // Helper template to recognize a multi_pass iterator. This specialization + // will be instantiated for any non-multi_pass iterator. + template <typename Iterator> + struct is_multi_pass : mpl::false_ {}; + +}}} + +#endif + |