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Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/phoenix/detail/local_reference.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/phoenix/detail/local_reference.hpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/phoenix/detail/local_reference.hpp b/3rdParty/Boost/src/boost/spirit/home/phoenix/detail/local_reference.hpp new file mode 100644 index 0000000..ad1fdb4 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/phoenix/detail/local_reference.hpp @@ -0,0 +1,44 @@ +/*============================================================================= + Copyright (c) 2005-2007 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) +==============================================================================*/ +#ifndef PHOENIX_DETAIL_LOCAL_REFERENCE_HPP +#define PHOENIX_DETAIL_LOCAL_REFERENCE_HPP + +#include <boost/utility/addressof.hpp> + +namespace boost { namespace phoenix { namespace detail +{ + template <typename T> + struct local_reference + { + typedef T type; + + explicit local_reference(T& t): t_(boost::addressof(t)) {} + operator T& () const { return *t_; } + local_reference& operator=(T const& x) { *t_ = x; return *this; } + local_reference const& operator=(T const& x) const { *t_ = x; return *this; } + T& get() const { return *t_; } + T* get_pointer() const { return t_; } + + private: + + T* t_; + }; + + template <typename T> + struct unwrap_local_reference + { + typedef T type; // T should be a reference + }; + + template <typename T> + struct unwrap_local_reference<local_reference<T> > + { + typedef T type; // unwrap the reference; T is a value + }; +}}} + +#endif |