diff options
Diffstat (limited to '3rdParty/Boost/src/boost/variant')
32 files changed, 5540 insertions, 0 deletions
| diff --git a/3rdParty/Boost/src/boost/variant/apply_visitor.hpp b/3rdParty/Boost/src/boost/variant/apply_visitor.hpp new file mode 100644 index 0000000..53bada0 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/apply_visitor.hpp @@ -0,0 +1,20 @@ +//----------------------------------------------------------------------------- +// boost variant/apply_visitor.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_APPLY_VISITOR_HPP +#define BOOST_VARIANT_APPLY_VISITOR_HPP + +#include "boost/variant/detail/apply_visitor_unary.hpp" +#include "boost/variant/detail/apply_visitor_binary.hpp" +#include "boost/variant/detail/apply_visitor_delayed.hpp" + +#endif // BOOST_VARIANT_APPLY_VISITOR_HPP diff --git a/3rdParty/Boost/src/boost/variant/bad_visit.hpp b/3rdParty/Boost/src/boost/variant/bad_visit.hpp new file mode 100644 index 0000000..ca53940 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/bad_visit.hpp @@ -0,0 +1,41 @@ +//----------------------------------------------------------------------------- +// boost variant/bad_visit.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_BAD_VISIT_HPP +#define BOOST_VARIANT_BAD_VISIT_HPP + +#include <exception> + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// class bad_visit +// +// Exception thrown when a visitation attempt via apply_visitor fails due +// to invalid visited subtype or contents. +// +struct bad_visit +    : std::exception +{ +public: // std::exception interface + +    virtual const char * what() const throw() +    { +        return "boost::bad_visit: " +               "failed visitation using boost::apply_visitor"; +    } + +}; + +} // namespace boost + +#endif // BOOST_VARIANT_BAD_VISIT_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/apply_visitor_binary.hpp b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_binary.hpp new file mode 100644 index 0000000..92cdb42 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_binary.hpp @@ -0,0 +1,172 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/apply_visitor_binary.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_APPLY_VISITOR_BINARY_HPP +#define BOOST_VARIANT_DETAIL_APPLY_VISITOR_BINARY_HPP + +#include "boost/config.hpp" +#include "boost/detail/workaround.hpp" +#include "boost/variant/detail/generic_result_type.hpp" + +#include "boost/variant/detail/apply_visitor_unary.hpp" + +#include "boost/utility/enable_if.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// function template apply_visitor(visitor, visitable1, visitable2) +// +// Visits visitable1 and visitable2 such that their values (which we +// shall call x and y, respectively) are used as arguments in the +// expression visitor(x, y). +// + +namespace detail { namespace variant { + +template <typename Visitor, typename Value1> +class apply_visitor_binary_invoke +{ +public: // visitor typedefs + +    typedef typename Visitor::result_type +        result_type; + +private: // representation + +    Visitor& visitor_; +    Value1& value1_; + +public: // structors + +    apply_visitor_binary_invoke(Visitor& visitor, Value1& value1) +        : visitor_(visitor) +        , value1_(value1) +    { +    } + +public: // visitor interfaces + +    template <typename Value2> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    operator()(Value2& value2) +    { +        return visitor_(value1_, value2); +    } + +}; + +template <typename Visitor, typename Visitable2> +class apply_visitor_binary_unwrap +{ +public: // visitor typedefs + +    typedef typename Visitor::result_type +        result_type; + +private: // representation + +    Visitor& visitor_; +    Visitable2& visitable2_; + +public: // structors + +    apply_visitor_binary_unwrap(Visitor& visitor, Visitable2& visitable2) +        : visitor_(visitor) +        , visitable2_(visitable2) +    { +    } + +public: // visitor interfaces + +    template <typename Value1> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    operator()(Value1& value1) +    { +        apply_visitor_binary_invoke< +              Visitor +            , Value1 +            > invoker(visitor_, value1); + +        return boost::apply_visitor(invoker, visitable2_); +    } + +}; + +}} // namespace detail::variant + +// +// nonconst-visitor version: +// + +#if !BOOST_WORKAROUND(__EDG__, BOOST_TESTED_AT(302)) + +#   define BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(V) \ +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename V::result_type) \ +    /**/ + +#else // EDG-based compilers + +#   define BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(V) \ +    typename enable_if< \ +          mpl::not_< is_const< V > > \ +        , BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename V::result_type) \ +        >::type \ +    /**/ + +#endif // EDG-based compilers workaround + +template <typename Visitor, typename Visitable1, typename Visitable2> +inline +    BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(Visitor) +apply_visitor( +      Visitor& visitor +    , Visitable1& visitable1, Visitable2& visitable2 +    ) +{ +    ::boost::detail::variant::apply_visitor_binary_unwrap< +          Visitor, Visitable2 +        > unwrapper(visitor, visitable2); + +    return boost::apply_visitor(unwrapper, visitable1); +} + +#undef BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE + +// +// const-visitor version: +// + +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +template <typename Visitor, typename Visitable1, typename Visitable2> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE( +          typename Visitor::result_type +        ) +apply_visitor( +      const Visitor& visitor +    , Visitable1& visitable1, Visitable2& visitable2 +    ) +{ +    ::boost::detail::variant::apply_visitor_binary_unwrap< +          const Visitor, Visitable2 +        > unwrapper(visitor, visitable2); + +    return boost::apply_visitor(unwrapper, visitable1); +} + +#endif // MSVC7 and below exclusion + +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_APPLY_VISITOR_BINARY_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/apply_visitor_delayed.hpp b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_delayed.hpp new file mode 100644 index 0000000..31c79a2 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_delayed.hpp @@ -0,0 +1,85 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/apply_visitor_delayed.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_APPLY_VISITOR_DELAYED_HPP +#define BOOST_VARIANT_DETAIL_APPLY_VISITOR_DELAYED_HPP + +#include "boost/variant/detail/generic_result_type.hpp" + +#include "boost/variant/detail/apply_visitor_unary.hpp" +#include "boost/variant/detail/apply_visitor_binary.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// function template apply_visitor(visitor) +// +// Returns a function object, overloaded for unary and binary usage, that +// visits its arguments using visitor (or a copy of visitor) via +//  * apply_visitor( visitor, [argument] ) +// under unary invocation, or +//  * apply_visitor( visitor, [argument1], [argument2] ) +// under binary invocation. +// +// NOTE: Unlike other apply_visitor forms, the visitor object must be +//   non-const; this prevents user from giving temporary, to disastrous +//   effect (i.e., returned function object would have dead reference). +// + +template <typename Visitor> +class apply_visitor_delayed_t +{ +public: // visitor typedefs + +    typedef typename Visitor::result_type +        result_type; + +private: // representation + +    Visitor& visitor_; + +public: // structors + +    explicit apply_visitor_delayed_t(Visitor& visitor) +      : visitor_(visitor) +    { +    } + +public: // unary visitor interface + +    template <typename Visitable> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    operator()(Visitable& visitable) +    { +        return apply_visitor(visitor_, visitable); +    } + +public: // binary visitor interface + +    template <typename Visitable1, typename Visitable2> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    operator()(Visitable1& visitable1, Visitable2& visitable2) +    { +        return apply_visitor(visitor_, visitable1, visitable2); +    } + +}; + +template <typename Visitor> +inline apply_visitor_delayed_t<Visitor> apply_visitor(Visitor& visitor) +{ +    return apply_visitor_delayed_t<Visitor>(visitor); +} + +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_APPLY_VISITOR_DELAYED_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/apply_visitor_unary.hpp b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_unary.hpp new file mode 100644 index 0000000..10b361a --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_unary.hpp @@ -0,0 +1,79 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/apply_visitor_unary.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_APPLY_VISITOR_UNARY_HPP +#define BOOST_VARIANT_DETAIL_APPLY_VISITOR_UNARY_HPP + +#include "boost/config.hpp" +#include "boost/detail/workaround.hpp" +#include "boost/variant/detail/generic_result_type.hpp" + +#include "boost/utility/enable_if.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// function template apply_visitor(visitor, visitable) +// +// Visits visitable with visitor. +// + +// +// nonconst-visitor version: +// + +#if !BOOST_WORKAROUND(__EDG__, BOOST_TESTED_AT(302)) + +#   define BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(V) \ +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename V::result_type) \ +    /**/ + +#else // EDG-based compilers + +#   define BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(V) \ +    typename enable_if< \ +          mpl::not_< is_const< V > > \ +        , BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename V::result_type) \ +        >::type \ +    /**/ + +#endif // EDG-based compilers workaround + +template <typename Visitor, typename Visitable> +inline +    BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(Visitor) +apply_visitor(Visitor& visitor, Visitable& visitable) +{ +    return visitable.apply_visitor(visitor); +} + +#undef BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE + +// +// const-visitor version: +// + +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +template <typename Visitor, typename Visitable> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename Visitor::result_type) +apply_visitor(const Visitor& visitor, Visitable& visitable) +{ +    return visitable.apply_visitor(visitor); +} + +#endif // MSVC7 and below exclusion + +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_APPLY_VISITOR_UNARY_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/backup_holder.hpp b/3rdParty/Boost/src/boost/variant/detail/backup_holder.hpp new file mode 100644 index 0000000..ed112b8 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/backup_holder.hpp @@ -0,0 +1,94 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/backup_holder.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_BACKUP_HOLDER_HPP +#define BOOST_VARIANT_DETAIL_BACKUP_HOLDER_HPP + +#include "boost/assert.hpp" + +namespace boost { +namespace detail { namespace variant { + +template <typename T> +class backup_holder +{ +private: // representation + +    T* backup_; + +public: // structors + +    ~backup_holder() +    { +        delete backup_; +    } + +    explicit backup_holder(T* backup) +        : backup_(backup) +    { +    } + +    backup_holder(const backup_holder&); + +public: // modifiers + +    backup_holder& operator=(const backup_holder& rhs) +    { +        *backup_ = rhs.get(); +        return *this; +    } + +    backup_holder& operator=(const T& rhs) +    { +        *backup_ = rhs; +        return *this; +    } + +    void swap(backup_holder& rhs) +    { +        T* tmp = rhs.backup_; +        rhs.backup_ = this->backup_; +        this->backup_ = tmp; +    } + +public: // queries + +    T& get() +    { +        return *backup_; +    } + +    const T& get() const +    { +        return *backup_; +    } + +}; + +template <typename T> +backup_holder<T>::backup_holder(const backup_holder&) +    : backup_(0) +{ +    // not intended for copy, but do not want to prohibit syntactically +    BOOST_ASSERT(false); +} + +template <typename T> +void swap(backup_holder<T>& lhs, backup_holder<T>& rhs) +{ +    lhs.swap(rhs); +} + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_BACKUP_HOLDER_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/bool_trait_def.hpp b/3rdParty/Boost/src/boost/variant/detail/bool_trait_def.hpp new file mode 100644 index 0000000..823a79a --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/bool_trait_def.hpp @@ -0,0 +1,30 @@ +//----------------------------------------------------------------------------- +// boost/variant/detail/bool_trait_def.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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) + +// Needed until move-related traits incorporated into type_traits library. +// no include guards, the header is intended for multiple inclusion! + +// should be the last #include +#include "boost/type_traits/detail/bool_trait_def.hpp" + +#define BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1(trait,T,C) \ +template< typename T > struct trait \ +    BOOST_TT_AUX_BOOL_C_BASE(C) \ +{ \ +    BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \ +    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,trait,(T)) \ +}; \ +/**/ + +#define BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(arity, name) \ +BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(arity, name) \ +/**/ diff --git a/3rdParty/Boost/src/boost/variant/detail/bool_trait_undef.hpp b/3rdParty/Boost/src/boost/variant/detail/bool_trait_undef.hpp new file mode 100644 index 0000000..9b8fb54 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/bool_trait_undef.hpp @@ -0,0 +1,21 @@ +//----------------------------------------------------------------------------- +// boost/variant/detail/bool_trait_undef.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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) + +// Needed until move-related traits incorporated into type_traits library. +// no include guards, the header is intended for multiple inclusion! + +// should be the last #include +#include "boost/type_traits/detail/bool_trait_undef.hpp" + + +#undef BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1 +#undef BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX diff --git a/3rdParty/Boost/src/boost/variant/detail/cast_storage.hpp b/3rdParty/Boost/src/boost/variant/detail/cast_storage.hpp new file mode 100644 index 0000000..f23f174 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/cast_storage.hpp @@ -0,0 +1,48 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/cast_storage.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_CAST_STORAGE_HPP +#define BOOST_VARIANT_DETAIL_CAST_STORAGE_HPP + +#include "boost/config.hpp" + +namespace boost { +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) function template cast_storage +// +// Casts the given storage to the specified type, but with qualification. +// + +template <typename T> +inline T& cast_storage( +      void* storage +      BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(T) +    ) +{ +    return *static_cast<T*>(storage); +} + +template <typename T> +inline const T& cast_storage( +      const void* storage +      BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(T) +    ) +{ +    return *static_cast<const T*>(storage); +} + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_CAST_STORAGE_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/config.hpp b/3rdParty/Boost/src/boost/variant/detail/config.hpp new file mode 100644 index 0000000..eb18201 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/config.hpp @@ -0,0 +1,38 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/config.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_CONFIG_HPP +#define BOOST_VARIANT_DETAIL_CONFIG_HPP + +#include "boost/config.hpp" +#include "boost/detail/workaround.hpp" + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_AUX_BROKEN_CONSTRUCTOR_TEMPLATE_ORDERING +// +#if BOOST_WORKAROUND(__MWERKS__, <= 0x3201) \ + || BOOST_WORKAROUND(BOOST_INTEL, <= 700) \ + || BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \ + && !defined(BOOST_VARIANT_AUX_BROKEN_CONSTRUCTOR_TEMPLATE_ORDERING) +#   define BOOST_VARIANT_AUX_BROKEN_CONSTRUCTOR_TEMPLATE_ORDERING +#endif + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_AUX_HAS_CONSTRUCTOR_TEMPLATE_ORDERING_SFINAE_WKND +// +#if !defined(BOOST_NO_SFINAE) \ + && !BOOST_WORKAROUND(BOOST_INTEL, <= 700) \ + && !defined(BOOST_VARIANT_AUX_HAS_CONSTRUCTOR_TEMPLATE_ORDERING_SFINAE_WKND) +#   define BOOST_VARIANT_AUX_HAS_CONSTRUCTOR_TEMPLATE_ORDERING_SFINAE_WKND +#endif + +#endif // BOOST_VARIANT_DETAIL_CONFIG_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp b/3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp new file mode 100644 index 0000000..76bd7c7 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp @@ -0,0 +1,162 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/enable_recursive.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_HPP +#define BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_HPP + +#include "boost/variant/detail/enable_recursive_fwd.hpp" +#include "boost/variant/variant_fwd.hpp" + +#if !defined(BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT) +#   include "boost/mpl/apply.hpp" +#   include "boost/mpl/eval_if.hpp" +#   include "boost/mpl/lambda.hpp" +#endif + +#include "boost/variant/detail/substitute.hpp" +#include "boost/mpl/aux_/config/ctps.hpp" +#include "boost/mpl/bool_fwd.hpp" +#include "boost/mpl/if.hpp" +#include "boost/mpl/or.hpp" +#include "boost/type_traits/is_pointer.hpp" +#include "boost/type_traits/is_reference.hpp" +#include "boost/type_traits/is_same.hpp" + +#include "boost/variant/recursive_wrapper.hpp" + +namespace boost { +namespace detail { namespace variant { + +#if !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +#   define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL(T,Dest,Source) \ +    substitute< T , Dest , Source > \ +    /**/ + +#else // defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class template rebind1 +// +// Limited workaround in case 'substitute' metafunction unavailable. +// + +template <typename T, typename U1> +struct rebind1 +{ +private: +    typedef typename mpl::lambda< +          mpl::identity<T> +        >::type le_; + +public: +    typedef typename mpl::eval_if< +          is_same< le_, mpl::identity<T> > +        , le_ // identity<T> +        , mpl::apply1<le_, U1> +        >::type type; +}; + +#   define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL(T,Dest,Source) \ +    rebind1< T , Dest > \ +    /**/ + +#endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction enable_recursive +// +// See boost/variant/detail/enable_recursive_fwd.hpp for more information. +// + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T, typename RecursiveVariant, typename NoWrapper> +struct enable_recursive +    : BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL( +          T, RecursiveVariant, ::boost::recursive_variant_ +        ) +{ +}; + +template <typename T, typename RecursiveVariant> +struct enable_recursive< T,RecursiveVariant,mpl::false_ > +{ +private: // helpers, for metafunction result (below) + +    typedef typename BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL( +          T, RecursiveVariant, ::boost::recursive_variant_ +        )::type t_; + +public: // metafunction result + +    // [Wrap with recursive_wrapper only if rebind really changed something:] +    typedef typename mpl::if_< +          mpl::or_< +              is_same< t_,T > +            , is_reference<t_> +            , is_pointer<t_> +            > +        , t_ +        , boost::recursive_wrapper<t_> +        >::type type; + +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T, typename RecursiveVariant, typename NoWrapper> +struct enable_recursive +{ +private: // helpers, for metafunction result (below) + +    typedef typename BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL( +          T, RecursiveVariant, ::boost::recursive_variant_ +        )::type t_; + +public: // metafunction result + +    // [Wrap with recursive_wrapper only if rebind really changed something:] +    typedef typename mpl::if_< +          mpl::or_< +              NoWrapper +            , is_same< t_,T > +            , is_reference<t_> +            , is_pointer<t_> +            > +        , t_ +        , boost::recursive_wrapper<t_> +        >::type type; + +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction class quoted_enable_recursive +// +// Same behavior as enable_recursive metafunction (see above). +// +template <typename RecursiveVariant, typename NoWrapper> +struct quoted_enable_recursive +{ +    template <typename T> +    struct apply +        : enable_recursive<T, RecursiveVariant, NoWrapper> +    { +    }; +}; + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/enable_recursive_fwd.hpp b/3rdParty/Boost/src/boost/variant/detail/enable_recursive_fwd.hpp new file mode 100644 index 0000000..3336c1f --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/enable_recursive_fwd.hpp @@ -0,0 +1,116 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/enable_recursive_fwd.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_FWD_HPP +#define BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_FWD_HPP + +#include "boost/mpl/aux_/config/ctps.hpp" + +#include "boost/mpl/bool_fwd.hpp" + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) +#   include "boost/mpl/bool.hpp" +#else +#   include "boost/type_traits/is_base_and_derived.hpp" +#endif + +namespace boost { +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) tag recursive_flag +// +// Signifies that the variant should perform recursive substituion. +// + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T> +struct recursive_flag +{ +    typedef T type; +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +struct recursive_flag_tag +{ +}; + +template <typename T> +struct recursive_flag +    : recursive_flag_tag +{ +    typedef T type; +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction is_recursive_flag +// +// Signifies that the variant should perform recursive substituion. +// + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T> +struct is_recursive_flag +    : mpl::false_ +{ +}; + +template <typename T> +struct is_recursive_flag< recursive_flag<T> > +    : mpl::true_ +{ +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T> +struct is_recursive_flag +    : is_base_and_derived< recursive_flag_tag,T > +{ +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction enable_recursive +// +// Attempts recursive_variant_ tag substitution, wrapping with +// boost::recursive_wrapper if substituion occurs w/ non-indirect result +// (i.e., not a reference or pointer) *and* NoWrapper is false_. +// +template < +      typename T +    , typename RecursiveVariant +    , typename NoWrapper = mpl::false_ +    > +struct enable_recursive; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction class quoted_enable_recursive +// +// Same behavior as enable_recursive metafunction (see above). +// +template < +      typename RecursiveVariant +    , typename NoWrapper = mpl::false_ +    > +struct quoted_enable_recursive; + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_FWD_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/forced_return.hpp b/3rdParty/Boost/src/boost/variant/detail/forced_return.hpp new file mode 100644 index 0000000..cc1f25b --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/forced_return.hpp @@ -0,0 +1,104 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/forced_return.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_FORCED_RETURN_HPP +#define BOOST_VARIANT_DETAIL_FORCED_RETURN_HPP + +#include "boost/config.hpp" +#include "boost/variant/detail/generic_result_type.hpp" +#include "boost/assert.hpp" + +#if !defined(BOOST_MSVC) && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) +#   include "boost/type_traits/remove_reference.hpp" +#endif + +namespace boost { +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) function template forced_return +// +// Logical error to permit invocation at runtime, but (artificially) satisfies +// compile-time requirement of returning a result value. +// + +#if !defined(BOOST_MSVC)                                \ + && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)  \ + && !defined(BOOST_NO_VOID_RETURNS) + +// "standard" implementation: + +template <typename T> +inline T forced_return( BOOST_EXPLICIT_TEMPLATE_TYPE(T) ) +{ +    // logical error: should never be here! (see above) +    BOOST_ASSERT(false); + +    typedef typename boost::remove_reference<T>::type basic_type; +    basic_type* dummy = 0; +    return *static_cast< basic_type* >(dummy); +} + +template <> +inline void forced_return<void>( BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(void) ) +{ +    // logical error: should never be here! (see above) +    BOOST_ASSERT(false); +} + +#elif !defined(BOOST_MSVC) + +// workaround implementation +// +// TODO: Determine the most efficient way to handle this -- as below? by +// throwing? by recursive call to forced_return itself? etc. +// + +template <typename T> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T) +forced_return( BOOST_EXPLICIT_TEMPLATE_TYPE(T) ) +{ +    // logical error: should never be here! (see above) +    BOOST_ASSERT(false); + +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T) (*dummy)() = 0; +    return dummy(); +} + +#else // defined(BOOST_MSVC) + +// msvc-specific implementation +// +// Leverages __declspec(noreturn) for optimized implementation. +// + +__declspec(noreturn) +inline void forced_return_no_return() {}; + +template <typename T> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T) +forced_return( BOOST_EXPLICIT_TEMPLATE_TYPE(T) ) +{ +    // logical error: should never be here! (see above) +    BOOST_ASSERT(false); + +    forced_return_no_return(); +} + +#endif // BOOST_MSVC optimization + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_FORCED_RETURN_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/generic_result_type.hpp b/3rdParty/Boost/src/boost/variant/detail/generic_result_type.hpp new file mode 100644 index 0000000..b3fbb19 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/generic_result_type.hpp @@ -0,0 +1,88 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/generic_result_type.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_GENERIC_RESULT_TYPE_HPP +#define BOOST_VARIANT_DETAIL_GENERIC_RESULT_TYPE_HPP + +#include "boost/config.hpp" + +////////////////////////////////////////////////////////////////////////// +// (workaround) macro BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE +// +// On compilers with BOOST_NO_VOID_RETURNS, this macro provides a route +// to a single syntax for dealing with template functions that may (but +// not necessarily) return nothing (i.e. void). +// +// BOOST_VARIANT_AUX_RETURN_VOID provided for compilers w/ (erroneous?) +// warnings about non-void functions not returning a value. +// + +#if !defined(BOOST_NO_VOID_RETURNS) + +#define BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T) \ +    T   \ +    /**/ + +#define BOOST_VARIANT_AUX_RETURN_VOID  \ +    /**/ + +#define BOOST_VARIANT_AUX_RETURN_VOID_TYPE \ +    void    \ +    /**/ + +#else // defined(BOOST_NO_VOID_RETURNS) + +namespace boost { +namespace detail { namespace variant { + +struct fake_return_void +{ +    fake_return_void() +    { +    } + +    template <typename T> +    fake_return_void(const T&) +    { +    } +}; + +template <typename T> +struct no_void_returns_helper +{ +    typedef T type; +}; + +template <> +struct no_void_returns_helper<void> +{ +    typedef fake_return_void type; +}; + +}} // namespace detail::variant +} // namespace boost + +#define BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T) \ +    BOOST_DEDUCED_TYPENAME                                           \ +        ::boost::detail::variant::no_void_returns_helper< T >::type  \ +    /**/ + +#define BOOST_VARIANT_AUX_RETURN_VOID  \ +    return ::boost::detail::variant::fake_return_void()     \ +    /**/ + +#define BOOST_VARIANT_AUX_RETURN_VOID_TYPE  \ +    ::boost::detail::variant::fake_return_void + +#endif // BOOST_NO_VOID_RETURNS workaround + +#endif // BOOST_VARIANT_DETAIL_GENERIC_RESULT_TYPE_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/has_nothrow_move.hpp b/3rdParty/Boost/src/boost/variant/detail/has_nothrow_move.hpp new file mode 100644 index 0000000..51ca095 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/has_nothrow_move.hpp @@ -0,0 +1,106 @@ + +// (C) Copyright Eric Friedman 2002-2003. +// 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) +// +// See http://www.boost.org for most recent version including documentation. + +#ifndef BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED +#define BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED + +#include "boost/config.hpp" // for STATIC_CONSTANT +#include "boost/variant/detail/has_trivial_move.hpp" +#include "boost/type_traits/has_nothrow_copy.hpp" +#include "boost/type_traits/has_nothrow_assign.hpp" + +#include "boost/mpl/and.hpp" +#include "boost/mpl/or.hpp" + +// should be the last #include +#include "boost/variant/detail/bool_trait_def.hpp" + +namespace boost { +namespace detail { namespace variant { + +// TRAIT: has_nothrow_move + +template <typename T> +struct has_nothrow_move_impl +{ +    BOOST_STATIC_CONSTANT( +        bool, value = ( +            ::boost::mpl::or_< +                has_trivial_move<T> +              , ::boost::mpl::and_< +                  has_nothrow_copy<T> +                , has_nothrow_assign<T> +                > +            >::type::value +            ) +        ); +}; + +BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1( +      has_nothrow_move +    , T +    , (::boost::detail::variant::has_nothrow_move_impl<T>::value) +    ) + + +// TRAIT: has_nothrow_move_constructor + +template <typename T> +struct has_nothrow_move_constructor_impl +{ +    BOOST_STATIC_CONSTANT( +        bool, value = ( +            ::boost::mpl::or_< +              has_nothrow_move<T> +            , has_trivial_move_constructor<T> +            , has_nothrow_copy<T> +            >::type::value +            ) +        ); +}; + +BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1( +      has_nothrow_move_constructor +    , T +    , (::boost::detail::variant::has_nothrow_move_constructor_impl<T>::value) +    ) + + +// TRAIT: has_nothrow_move_assign + +template <typename T> +struct has_nothrow_move_assign_impl +{ +    BOOST_STATIC_CONSTANT( +        bool, value = ( +            ::boost::mpl::or_< +              has_nothrow_move<T> +            , has_trivial_move_assign<T> +            , has_nothrow_assign<T> +            >::type::value +            ) +        ); +}; + +BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1( +      has_nothrow_move_assign +    , T +    , (::boost::detail::variant::has_nothrow_move_assign_impl<T>::value) +    ) + +}} // namespace detail::variant + +BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move) +BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move_constructor) +BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move_assign) + +} // namespace boost + +#include "boost/variant/detail/bool_trait_undef.hpp" + +#endif // BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED diff --git a/3rdParty/Boost/src/boost/variant/detail/has_trivial_move.hpp b/3rdParty/Boost/src/boost/variant/detail/has_trivial_move.hpp new file mode 100644 index 0000000..5293366 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/has_trivial_move.hpp @@ -0,0 +1,100 @@ + +// (C) Copyright Eric Friedman 2002-2003. +// 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) +// +// See http://www.boost.org for most recent version including documentation. + +#ifndef BOOST_VARIANT_DETAIL_HAS_TRIVIAL_MOVE_HPP_INCLUDED +#define BOOST_VARIANT_DETAIL_HAS_TRIVIAL_MOVE_HPP_INCLUDED + +#include "boost/config.hpp" // for STATIC_CONSTANT +#include "boost/type_traits/has_trivial_copy.hpp" +#include "boost/type_traits/has_trivial_assign.hpp" + +#include "boost/mpl/and.hpp" +#include "boost/mpl/or.hpp" + +// should be the last #include +#include "boost/variant/detail/bool_trait_def.hpp" + +namespace boost { +namespace detail { namespace variant { + +// TRAIT: has_trivial_move + +template <typename T> +struct has_trivial_move_impl +{ +    BOOST_STATIC_CONSTANT( +        bool, value = ( +            ::boost::mpl::and_< +              has_trivial_copy<T> +            , has_trivial_assign<T> +            >::type::value +            ) +        ); +}; + +BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1( +      has_trivial_move +    , T +    , (::boost::detail::variant::has_trivial_move_impl<T>::value) +    ) + + +// TRAIT: has_trivial_move_constructor + +template <typename T> +struct has_trivial_move_constructor_impl +{ +    BOOST_STATIC_CONSTANT( +        bool, value = ( +            ::boost::mpl::or_< +              has_trivial_move<T> +            , has_trivial_copy<T> +            >::type::value +            ) +        ); +}; + +BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1( +      has_trivial_move_constructor +    , T +    , (::boost::detail::variant::has_trivial_move_constructor_impl<T>::value) +    ) + + +// TRAIT: has_trivial_move_assign + +template <typename T> +struct has_trivial_move_assign_impl +{ +    BOOST_STATIC_CONSTANT( +        bool, value = ( +            ::boost::mpl::or_< +              has_trivial_move<T> +            , has_trivial_assign<T> +            >::type::value +            ) +        ); +}; + +BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1( +      has_trivial_move_assign +    , T +    , (::boost::detail::variant::has_trivial_move_assign_impl<T>::value) +    ) + +}} // namespace detail::variant + +BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_trivial_move) +BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_trivial_move_constructor) +BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_trivial_move_assign) + +} // namespace boost + +#include "boost/variant/detail/bool_trait_undef.hpp" + +#endif // BOOST_VARIANT_DETAIL_HAS_TRIVIAL_MOVE_HPP_INCLUDED diff --git a/3rdParty/Boost/src/boost/variant/detail/initializer.hpp b/3rdParty/Boost/src/boost/variant/detail/initializer.hpp new file mode 100644 index 0000000..b14d6c8 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/initializer.hpp @@ -0,0 +1,265 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/initializer.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman, Itay Maman +// +// 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 BOOST_VARIANT_DETAIL_INITIALIZER_HPP +#define BOOST_VARIANT_DETAIL_INITIALIZER_HPP + +#include <new> // for placement new + +#include "boost/config.hpp" + +#include "boost/call_traits.hpp" +#include "boost/detail/reference_content.hpp" +#include "boost/variant/recursive_wrapper_fwd.hpp" + +#if !defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) +#   include "boost/mpl/aux_/value_wknd.hpp" +#   include "boost/mpl/int.hpp" +#   include "boost/mpl/iter_fold.hpp" +#   include "boost/mpl/next.hpp" +#   include "boost/mpl/deref.hpp" +#   include "boost/mpl/pair.hpp" +#   include "boost/mpl/protect.hpp" +#else +#   include "boost/variant/variant_fwd.hpp" +#   include "boost/preprocessor/cat.hpp" +#   include "boost/preprocessor/enum.hpp" +#   include "boost/preprocessor/repeat.hpp" +#endif + +namespace boost { +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) support to simulate standard overload resolution rules +// +// The below initializers allows variant to follow standard overload +// resolution rules over the specified set of bounded types. +// +// On compilers where using declarations in class templates can correctly +// avoid name hiding, use an optimal solution based on the variant's typelist. +// +// Otherwise, use a preprocessor workaround based on knowledge of the fixed +// size of the variant's psuedo-variadic template parameter list. +// + +#if !defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) + +// (detail) quoted metafunction make_initializer_node +// +// Exposes a pair whose first type is a node in the initializer hierarchy. +// +struct make_initializer_node +{ +    template <typename BaseIndexPair, typename Iterator> +    struct apply +    { +    private: // helpers, for metafunction result (below) + +        typedef typename BaseIndexPair::first +            base; +        typedef typename BaseIndexPair::second +            index; + +        class initializer_node +            : public base +        { +        private: // helpers, for static functions (below) + +            typedef typename mpl::deref<Iterator>::type +                recursive_enabled_T; +            typedef typename unwrap_recursive<recursive_enabled_T>::type +                public_T; +            typedef typename call_traits<public_T>::param_type +                param_T; + +        public: // static functions + +            using base::initialize; + +            static int initialize(void* dest, param_T operand) +            { +                typedef typename boost::detail::make_reference_content< +                      recursive_enabled_T +                    >::type internal_T; + +                new(dest) internal_T(operand); +                return BOOST_MPL_AUX_VALUE_WKND(index)::value; // which +            } + +        }; + +        friend class initializer_node; + +    public: // metafunction result + +        typedef mpl::pair< +              initializer_node +            , typename mpl::next< index >::type +            > type; + +    }; +}; + +// (detail) class initializer_root +// +// Every level of the initializer hierarchy must expose the name +// "initialize," so initializer_root provides a dummy function: +// +class initializer_root +{ +public: // static functions + +    static void initialize(); + +}; + +#else // defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) + +#   if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300)  + +    #define BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_PARAMS \ +          BOOST_VARIANT_ENUM_PARAMS(typename recursive_enabled_T) \ +    /**/ + +    #define BOOST_VARIANT_AUX_PP_INITIALIZER_DEFINE_PARAM_T(N) \ +        typedef typename unwrap_recursive< \ +              BOOST_PP_CAT(recursive_enabled_T,N) \ +            >::type BOOST_PP_CAT(public_T,N); \ +        typedef typename call_traits< \ +              BOOST_PP_CAT(public_T,N) \ +            >::param_type BOOST_PP_CAT(param_T,N); \ +    /**/ + +#   else // MSVC7 and below + +    #define BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_PARAMS \ +          BOOST_VARIANT_ENUM_PARAMS(typename recursive_enabled_T) \ +        , BOOST_VARIANT_ENUM_PARAMS(typename param_T) \ +    /**/ + +    #define BOOST_VARIANT_AUX_PP_INITIALIZER_DEFINE_PARAM_T(N) \ +    /**/ + +#   endif // MSVC7 and below workaround + +template < BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_PARAMS > +struct preprocessor_list_initializer +{ +public: // static functions + +    #define BOOST_VARIANT_AUX_PP_INITIALIZE_FUNCTION(z,N,_) \ +        BOOST_VARIANT_AUX_PP_INITIALIZER_DEFINE_PARAM_T(N) \ +        static int initialize( \ +              void* dest \ +            , BOOST_PP_CAT(param_T,N) operand \ +            ) \ +        { \ +            typedef typename boost::detail::make_reference_content< \ +                  BOOST_PP_CAT(recursive_enabled_T,N) \ +                >::type internal_T; \ +            \ +            new(dest) internal_T(operand); \ +            return (N); /*which*/ \ +        } \ +        /**/ + +    BOOST_PP_REPEAT( +          BOOST_VARIANT_LIMIT_TYPES +        , BOOST_VARIANT_AUX_PP_INITIALIZE_FUNCTION +        , _ +        ) + +    #undef BOOST_VARIANT_AUX_PP_INITIALIZE_FUNCTION + +}; + +#   if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) + +#if !defined(BOOST_VARIANT_AUX_ECHO) +#   define BOOST_VARIANT_AUX_ECHO(z,N,token) token +#endif + +template <> +struct preprocessor_list_initializer< +      BOOST_PP_ENUM(BOOST_VARIANT_LIMIT_TYPES, BOOST_VARIANT_AUX_ECHO, int) +    , BOOST_PP_ENUM(BOOST_VARIANT_LIMIT_TYPES, BOOST_VARIANT_AUX_ECHO, const int) +    > +{ +}; + +#   endif // BOOST_MPL_CFG_MSVC_60_ETI_BUG workaround + +#endif // BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE workaround + +}} // namespace detail::variant +} // namespace boost + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_AUX_INITIALIZER_T +// +// Given both the variant's typelist and a basename for forming the list of +// bounded types (i.e., T becomes T1, T2, etc.), exposes the initializer +// most appropriate to the current compiler. +// + +#if !defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) + +#define BOOST_VARIANT_AUX_INITIALIZER_T( mpl_seq, typename_base ) \ +    ::boost::mpl::iter_fold< \ +          mpl_seq \ +        , ::boost::mpl::pair< \ +              ::boost::detail::variant::initializer_root \ +            , ::boost::mpl::int_<0> \ +            > \ +        , ::boost::mpl::protect< \ +              ::boost::detail::variant::make_initializer_node \ +            > \ +        >::type::first \ +    /**/ + +#else // defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) + +#   if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +    #define BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_ARGS(typename_base) \ +          BOOST_VARIANT_ENUM_PARAMS(typename_base) \ +        /**/ + +#   else // MSVC7 and below + +    #define BOOST_VARIANT_AUX_PP_INITIALIZER_ENUM_PARAM_TYPE(z,N,T) \ +        ::boost::call_traits< \ +              ::boost::unwrap_recursive<BOOST_PP_CAT(T,N)>::type \ +            >::param_type \ +        /**/ + +    #define BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_ARGS(typename_base) \ +          BOOST_VARIANT_ENUM_PARAMS(typename_base) \ +        , BOOST_PP_ENUM( \ +              BOOST_VARIANT_LIMIT_TYPES \ +            , BOOST_VARIANT_AUX_PP_INITIALIZER_ENUM_PARAM_TYPE \ +            , typename_base \ +            ) \ +        /**/ + +#   endif // MSVC7 workaround + +#define BOOST_VARIANT_AUX_INITIALIZER_T( mpl_seq, typename_base ) \ +    ::boost::detail::variant::preprocessor_list_initializer< \ +          BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_ARGS(typename_base) \ +        > \ +    /**/ + +#endif // BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE workaround + +#endif // BOOST_VARIANT_DETAIL_INITIALIZER_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/make_variant_list.hpp b/3rdParty/Boost/src/boost/variant/detail/make_variant_list.hpp new file mode 100644 index 0000000..b2c74ad --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/make_variant_list.hpp @@ -0,0 +1,60 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/make_variant_list.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman, Itay Maman +// +// 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 BOOST_VARIANT_DETAIL_MAKE_VARIANT_LIST_HPP +#define BOOST_VARIANT_DETAIL_MAKE_VARIANT_LIST_HPP + +#include "boost/variant/variant_fwd.hpp" + +#include "boost/mpl/list.hpp" +#include "boost/preprocessor/cat.hpp" +#include "boost/preprocessor/enum.hpp" + +namespace boost { +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction make_variant_list +// +// Provides a MPL-compatible sequence with the specified non-void types +// as arguments. +// +// Rationale: see class template convert_void (variant_fwd.hpp) and using- +// declaration workaround (below). +// +template < BOOST_VARIANT_ENUM_PARAMS(typename T) > +struct make_variant_list +{ +public: // metafunction result + +    // [Define a macro to convert any void(NN) tags to mpl::void...] +#   define BOOST_VARIANT_AUX_CONVERT_VOID(z, N,_)  \ +        typename convert_void< BOOST_PP_CAT(T,N) >::type + +    // [...so that the specified types can be passed to mpl::list...] +    typedef typename mpl::list<  +          BOOST_PP_ENUM( +              BOOST_VARIANT_LIMIT_TYPES +            , BOOST_VARIANT_AUX_CONVERT_VOID +            , _ +            ) +        >::type type; + +    // [...and, finally, the conversion macro can be undefined:] +#   undef BOOST_VARIANT_AUX_CONVERT_VOID + +}; + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_MAKE_VARIANT_LIST_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/move.hpp b/3rdParty/Boost/src/boost/variant/detail/move.hpp new file mode 100644 index 0000000..572cfbb --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/move.hpp @@ -0,0 +1,166 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/move.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +//  Copyright (c) 2002-2003 Eric Friedman +//  Copyright (c) 2002 by Andrei Alexandrescu +// +//  Use, modification and distribution are 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) +// +//  This file derivative of MoJO. Much thanks to Andrei for his initial work. +//  See <http://www.cuj.com/experts/2102/alexandr.htm> for information on MOJO. +//  Re-issued here under the Boost Software License, with permission of the original +//  author (Andrei Alexandrescu). + + +#ifndef BOOST_VARIANT_DETAIL_MOVE_HPP +#define BOOST_VARIANT_DETAIL_MOVE_HPP + +#include <iterator> // for iterator_traits +#include <new> // for placement new + +#include "boost/config.hpp" +#include "boost/detail/workaround.hpp" +#include "boost/mpl/if.hpp" +#include "boost/type_traits/is_base_and_derived.hpp" + +namespace boost { +namespace detail { namespace variant { + +////////////////////////////////////////////////////////////////////////// +// forward declares +// +// NOTE: Incomplete until (if?) Boost.Move becomes part of Boost. +// +template <typename Deriving> class moveable; +template <typename T>        class move_source; +template <typename T>        class move_return; + +namespace detail { + +// (detail) moveable_tag +// +// Concrete type from which moveable<T> derives. +// +// TODO: Move into moveable_fwd.hpp and define has_move_constructor. +// +template <typename Deriving> +struct moveable_tag +{ +}; + +} // namespace detail + +////////////////////////////////////////////////////////////////////////// +// function template move +// +// Takes a T& and returns, if T derives moveable<T>, a move_source<T> for +// the object; else, returns the T&. +// + +namespace detail { + +// (detail) class template move_type +// +// Metafunction that, given moveable T, provides move_source<T>, else T&. +// +template <typename T> +struct move_type +{ +public: // metafunction result + +    typedef typename mpl::if_< +          is_base_and_derived<detail::moveable_tag<T>, T> +        , move_source<T> +        , T& +        >::type type; + +}; + +} // namespace detail + +template <typename T> +inline +    typename detail::move_type<T>::type +move(T& source) +{ +    typedef typename detail::move_type<T>::type +        move_t; + +    return move_t(source); +} + +////////////////////////////////////////////////////////////////////////// +// class template return_t +// +// Metafunction that, given moveable T, provides move_return<T>, else T. +// +template <typename T> +struct return_t +{ +public: // metafunction result + +    typedef typename mpl::if_< +          is_base_and_derived<moveable<T>, T> +        , move_return<T> +        , T +        >::type type; + +}; + +////////////////////////////////////////////////////////////////////////// +// function template move_swap +// +// Swaps using Koenig lookup but falls back to move-swap for primitive +// types and on non-conforming compilers. +// + +#if   defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)   \ + ||   BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(2)) + +// [Indicate that move_swap by overload is disabled...] +#define BOOST_NO_MOVE_SWAP_BY_OVERLOAD + +// [...and provide straight swap-by-move implementation:] +template <typename T> +inline void move_swap(T& lhs, T& rhs) +{ +    T tmp( boost::detail::variant::move(lhs) ); +    lhs = boost::detail::variant::move(rhs); +    rhs = boost::detail::variant::move(tmp); +} + +#else// !workaround + +namespace detail { namespace move_swap { + +template <typename T> +inline void swap(T& lhs, T& rhs) +{ +    T tmp( boost::detail::variant::move(lhs) ); +    lhs = boost::detail::variant::move(rhs); +    rhs = boost::detail::variant::move(tmp); +} + +}} // namespace detail::move_swap + +template <typename T> +inline void move_swap(T& lhs, T& rhs) +{ +    using detail::move_swap::swap; + +    swap(lhs, rhs); +} + +#endif // workaround + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_MOVE_HPP + + + diff --git a/3rdParty/Boost/src/boost/variant/detail/over_sequence.hpp b/3rdParty/Boost/src/boost/variant/detail/over_sequence.hpp new file mode 100644 index 0000000..bdd69ad --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/over_sequence.hpp @@ -0,0 +1,95 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/over_sequence.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// Portions Copyright (C) 2002 David Abrahams +// +// 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 BOOST_VARIANT_DETAIL_OVER_SEQUENCE_HPP +#define BOOST_VARIANT_DETAIL_OVER_SEQUENCE_HPP + +#include "boost/mpl/aux_/config/ctps.hpp" +#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) +#   include "boost/mpl/eval_if.hpp" +#   include "boost/mpl/bool.hpp" +#   include "boost/mpl/identity.hpp" +#   include "boost/type.hpp" +#endif + + +namespace boost { +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class over_sequence +// +// Wrapper used to indicate bounded types for variant are from type sequence. +// +template <typename Types> +struct over_sequence +{ +    typedef Types type; +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction is_over_sequence (modeled on code by David Abrahams) +// +// Indicates whether the specified type is of form over_sequence<...> or not. +// + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T> +struct is_over_sequence +    : mpl::false_ +{ +}; + +template <typename Types> +struct is_over_sequence< over_sequence<Types> > +    : mpl::true_ +{ +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +typedef char (&yes_over_sequence_t)[1]; +typedef char (&no_over_sequence_t)[2]; + +no_over_sequence_t is_over_sequence_test(...); + +template<typename T> +yes_over_sequence_t is_over_sequence_test( +      type< ::boost::detail::variant::over_sequence<T> > +    ); + +template<typename T> +struct is_over_sequence_impl +{ +    BOOST_STATIC_CONSTANT(bool, value = ( +          sizeof(is_over_sequence_test(type<T>())) +          == sizeof(yes_over_sequence_t) +        )); +}; + +template <typename T> +struct is_over_sequence +    : mpl::bool_< +          ::boost::detail::variant::is_over_sequence_impl<T>::value +        > +{ +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_OVER_SEQUENCE_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/substitute.hpp b/3rdParty/Boost/src/boost/variant/detail/substitute.hpp new file mode 100644 index 0000000..97fe205 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/substitute.hpp @@ -0,0 +1,231 @@ + +#if !defined(BOOST_PP_IS_ITERATING) + +///// header body + +//----------------------------------------------------------------------------- +// boost variant/detail/substitute.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_SUBSTITUTE_HPP +#define BOOST_VARIANT_DETAIL_SUBSTITUTE_HPP + +#include "boost/mpl/aux_/config/ctps.hpp" + +#include "boost/variant/detail/substitute_fwd.hpp" +#include "boost/mpl/aux_/lambda_arity_param.hpp" +#include "boost/mpl/aux_/preprocessor/params.hpp" +#include "boost/mpl/aux_/preprocessor/repeat.hpp" +#include "boost/mpl/int_fwd.hpp" +#include "boost/mpl/limits/arity.hpp" +#include "boost/preprocessor/cat.hpp" +#include "boost/preprocessor/empty.hpp" +#include "boost/preprocessor/arithmetic/inc.hpp" +#include "boost/preprocessor/iterate.hpp" + +namespace boost { +namespace detail { namespace variant { + +#if !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction substitute +// +// Substitutes one type for another in the given type expression. +// + +// +// primary template +// +template < +      typename T, typename Dest, typename Source +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM( +          typename Arity /* = ... (see substitute_fwd.hpp) */ +        ) +    > +struct substitute +{ +    typedef T type; +}; + +// +// tag substitution specializations +// + +#define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_SUBSTITUTE_TAG(CV_) \ +    template <typename Dest, typename Source> \ +    struct substitute< \ +          CV_ Source \ +        , Dest \ +        , Source \ +          BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(mpl::int_<-1>) \ +        > \ +    { \ +        typedef CV_ Dest type; \ +    }; \ +    /**/ + +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_SUBSTITUTE_TAG( BOOST_PP_EMPTY() ) +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_SUBSTITUTE_TAG(const) +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_SUBSTITUTE_TAG(volatile) +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_SUBSTITUTE_TAG(const volatile) + +#undef BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_SUBSTITUTE_TAG + +// +// pointer specializations +// +#define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_HANDLE_POINTER(CV_) \ +    template <typename T, typename Dest, typename Source> \ +    struct substitute< \ +          T * CV_ \ +        , Dest \ +        , Source \ +          BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(mpl::int_<-1>) \ +        > \ +    { \ +        typedef typename substitute< \ +              T, Dest, Source \ +            >::type * CV_ type; \ +    }; \ +    /**/ + +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_HANDLE_POINTER( BOOST_PP_EMPTY() ) +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_HANDLE_POINTER(const) +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_HANDLE_POINTER(volatile) +BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_HANDLE_POINTER(const volatile) + +#undef BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL_HANDLE_POINTER + +// +// reference specializations +// +template <typename T, typename Dest, typename Source> +struct substitute< +      T& +    , Dest +    , Source +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(mpl::int_<-1>) +    > +{ +    typedef typename substitute< +          T, Dest, Source +        >::type & type; +}; + +// +// template expression (i.e., F<...>) specializations +// + +#define BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF_IMPL(N) \ +    typedef typename substitute< \ +          BOOST_PP_CAT(U,N), Dest, Source \ +        >::type BOOST_PP_CAT(u,N); \ +    /**/ + +#define BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF(z, N, _) \ +    BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF_IMPL( BOOST_PP_INC(N) ) \ +    /**/ + +#define BOOST_PP_ITERATION_LIMITS (0,BOOST_MPL_LIMIT_METAFUNCTION_ARITY) +#define BOOST_PP_FILENAME_1 "boost/variant/detail/substitute.hpp" +#include BOOST_PP_ITERATE() + +#undef BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF_IMPL +#undef BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF + +#endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_SUBSTITUTE_HPP + +///// iteration, depth == 1 + +#elif BOOST_PP_ITERATION_DEPTH() == 1 +#define i BOOST_PP_FRAME_ITERATION(1) + +#if i > 0 + +// +// template specializations +// +template < +      template < BOOST_MPL_PP_PARAMS(i,typename P) > class T +    , BOOST_MPL_PP_PARAMS(i,typename U) +    , typename Dest +    , typename Source +    > +struct substitute< +      T< BOOST_MPL_PP_PARAMS(i,U) > +    , Dest +    , Source +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(mpl::int_<( i )>) +    > +{ +private: +    BOOST_MPL_PP_REPEAT(i, BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF, _) + +public: +    typedef T< BOOST_MPL_PP_PARAMS(i,u) > type; +}; + +// +// function specializations +// +template < +      typename R +    , BOOST_MPL_PP_PARAMS(i,typename U) +    , typename Dest +    , typename Source +    > +struct substitute< +      R (*)( BOOST_MPL_PP_PARAMS(i,U) ) +    , Dest +    , Source +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(mpl::int_<-1>) +    > +{ +private: +    typedef typename substitute< R, Dest, Source >::type r; +    BOOST_MPL_PP_REPEAT(i, BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF, _) + +public: +    typedef r (*type)( BOOST_MPL_PP_PARAMS(i,u) ); +}; + +#elif i == 0 + +// +// zero-arg function specialization +// +template < +      typename R, typename Dest, typename Source +    > +struct substitute< +      R (*)( void ) +    , Dest +    , Source +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(mpl::int_<-1>) +    > +{ +private: +    typedef typename substitute< R, Dest, Source >::type r; + +public: +    typedef r (*type)( void ); +}; + +#endif // i + +#undef i +#endif // BOOST_PP_IS_ITERATING diff --git a/3rdParty/Boost/src/boost/variant/detail/substitute_fwd.hpp b/3rdParty/Boost/src/boost/variant/detail/substitute_fwd.hpp new file mode 100644 index 0000000..1723847 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/substitute_fwd.hpp @@ -0,0 +1,59 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/substitute_fwd.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_SUBSTITUTE_FWD_HPP +#define BOOST_VARIANT_DETAIL_SUBSTITUTE_FWD_HPP + +#include "boost/mpl/aux_/lambda_arity_param.hpp" +#include "boost/mpl/aux_/template_arity.hpp" +#include "boost/mpl/int_fwd.hpp" + + +/////////////////////////////////////////////////////////////////////////////// +// BOOST_VARIANT_DETAIL_NO_SUBSTITUTE +// +// Defined if 'substitute' is not implementable on the current compiler. +// + +#include "boost/mpl/aux_/config/ctps.hpp" +#include "boost/mpl/aux_/config/ttp.hpp" + +#if defined(BOOST_NO_TEMPLATE_TEMPLATE_PARAMETERS) \ + || defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ + && !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) +#   define BOOST_VARIANT_DETAIL_NO_SUBSTITUTE +#endif + +namespace boost { +namespace detail { namespace variant { + +#if !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +/////////////////////////////////////////////////////////////////////////////// +// metafunction substitute +// +// Substitutes one type for another in the given type expression. +// +template < +      typename T, typename Dest, typename Source +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM( +          typename Arity = mpl::int_< mpl::aux::template_arity<T>::value > +        ) +    > +struct substitute; + +#endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_SUBSTITUTE_FWD_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/variant_io.hpp b/3rdParty/Boost/src/boost/variant/detail/variant_io.hpp new file mode 100644 index 0000000..c72491a --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/variant_io.hpp @@ -0,0 +1,92 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/variant_io.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman, Itay Maman +// +// 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 BOOST_VARIANT_DETAIL_VARIANT_IO_HPP +#define BOOST_VARIANT_DETAIL_VARIANT_IO_HPP + +#include <iosfwd> // for std::basic_ostream forward declare + +#include "boost/variant/variant_fwd.hpp" + +#include "boost/detail/templated_streams.hpp" +#include "boost/variant/static_visitor.hpp" + +namespace boost { + +/////////////////////////////////////////////////////////////////////////////// +// function template operator<< +// +// Outputs the content of the given variant to the given ostream. +// + +// forward declare (allows output of embedded variant< variant< ... >, ... >) +template < +      BOOST_TEMPLATED_STREAM_ARGS(E,T) +    BOOST_TEMPLATED_STREAM_COMMA +      BOOST_VARIANT_ENUM_PARAMS(typename U) +    > +inline BOOST_TEMPLATED_STREAM(ostream, E,T)& operator<<( +      BOOST_TEMPLATED_STREAM(ostream, E,T)& out +    , const variant< BOOST_VARIANT_ENUM_PARAMS(U) >& rhs +    ); + +namespace detail { namespace variant { + +template <typename OStream> +class printer +    : public boost::static_visitor<> +{ +private: // representation + +    OStream& out_; + +public: // structors + +    explicit printer(OStream& out) +        : out_( out ) +    { +    } + +public: // visitor interface + +    template <typename T> +    void operator()(const T& operand) const +    { +        out_ << operand; +    } + +}; + +}} // namespace detail::variant + +template < +      BOOST_TEMPLATED_STREAM_ARGS(E,T) +    BOOST_TEMPLATED_STREAM_COMMA +      BOOST_VARIANT_ENUM_PARAMS(typename U) +    > +inline BOOST_TEMPLATED_STREAM(ostream, E,T)& operator<<( +      BOOST_TEMPLATED_STREAM(ostream, E,T)& out +    , const variant< BOOST_VARIANT_ENUM_PARAMS(U) >& rhs +    ) +{ +    detail::variant::printer< +          BOOST_TEMPLATED_STREAM(ostream, E,T) +        > visitor(out); + +    rhs.apply_visitor(visitor); + +    return out; +} + +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_VARIANT_IO_HPP diff --git a/3rdParty/Boost/src/boost/variant/detail/visitation_impl.hpp b/3rdParty/Boost/src/boost/variant/detail/visitation_impl.hpp new file mode 100644 index 0000000..36ab906 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/visitation_impl.hpp @@ -0,0 +1,286 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/visitation_impl.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_DETAIL_VISITATION_IMPL_HPP +#define BOOST_VARIANT_DETAIL_VISITATION_IMPL_HPP + +#include "boost/config.hpp" + +#include "boost/variant/detail/backup_holder.hpp" +#include "boost/variant/detail/cast_storage.hpp" +#include "boost/variant/detail/forced_return.hpp" +#include "boost/variant/detail/generic_result_type.hpp" + +#include "boost/assert.hpp" +#include "boost/mpl/eval_if.hpp" +#include "boost/mpl/bool.hpp" +#include "boost/mpl/identity.hpp" +#include "boost/mpl/int.hpp" +#include "boost/mpl/next.hpp" +#include "boost/mpl/deref.hpp" +#include "boost/mpl/or.hpp" +#include "boost/preprocessor/cat.hpp" +#include "boost/preprocessor/inc.hpp" +#include "boost/preprocessor/repeat.hpp" +#include "boost/type_traits/is_same.hpp" +#include "boost/type_traits/has_nothrow_copy.hpp" +#include "boost/variant/detail/has_nothrow_move.hpp" + + +/////////////////////////////////////////////////////////////////////////////// +// BOOST_VARIANT_VISITATION_UNROLLING_LIMIT +// +// Unrolls variant's visitation mechanism to reduce template instantiation +// and potentially increase runtime performance. (TODO: Investigate further.) +// +#if !defined(BOOST_VARIANT_VISITATION_UNROLLING_LIMIT) +#   define BOOST_VARIANT_VISITATION_UNROLLING_LIMIT   \ +        BOOST_VARIANT_LIMIT_TYPES +#endif + +namespace boost { +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class apply_visitor_unrolled +// +// Tag type indicates when visitation_impl is unrolled. +// +struct apply_visitor_unrolled {}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class template visitation_impl_step +// +// "Never ending" iterator range facilitates visitation_impl unrolling. +// + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename Iter, typename LastIter> +struct visitation_impl_step +{ +    typedef typename mpl::deref<Iter>::type type; + +    typedef typename mpl::next<Iter>::type next_iter; +    typedef visitation_impl_step< +          next_iter, LastIter +        > next; +}; + +template <typename LastIter> +struct visitation_impl_step< LastIter,LastIter > +{ +    typedef apply_visitor_unrolled type; +    typedef visitation_impl_step next; +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename Iter, typename LastIter> +struct visitation_impl_step +{ +    typedef typename mpl::eval_if< +          is_same<Iter, LastIter> +        , mpl::identity<apply_visitor_unrolled> +        , Iter +        >::type type; + +    typedef typename mpl::eval_if< +          is_same<type, apply_visitor_unrolled> //is_same<Iter, LastIter> +        , mpl::identity<LastIter> +        , mpl::next<Iter> +        >::type next_iter; + +    typedef visitation_impl_step< +          next_iter, LastIter +        > next; +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +/////////////////////////////////////////////////////////////////////////////// +// (detail) function template visitation_impl_invoke +// +// Invokes the given visitor on the specified type in the given storage. +// + +template <typename Visitor, typename VoidPtrCV, typename T> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename Visitor::result_type) +visitation_impl_invoke_impl( +      int, Visitor& visitor, VoidPtrCV storage, T* +    , mpl::true_// never_uses_backup +    ) +{ +    return visitor.internal_visit( +          cast_storage<T>(storage), 1L +        ); +} + +template <typename Visitor, typename VoidPtrCV, typename T> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename Visitor::result_type) +visitation_impl_invoke_impl( +      int internal_which, Visitor& visitor, VoidPtrCV storage, T* +    , mpl::false_// never_uses_backup +    ) +{ +    if (internal_which >= 0) +    { +        return visitor.internal_visit( +              cast_storage<T>(storage), 1L +            ); +    } +    else +    { +        return visitor.internal_visit( +              cast_storage< backup_holder<T> >(storage), 1L +            ); +    } +} + +template <typename Visitor, typename VoidPtrCV, typename T, typename NoBackupFlag> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename Visitor::result_type) +visitation_impl_invoke( +      int internal_which, Visitor& visitor, VoidPtrCV storage, T* t +    , NoBackupFlag +    , int +    ) +{ +    typedef typename mpl::or_< +          NoBackupFlag +        , has_nothrow_move_constructor<T> +        , has_nothrow_copy<T> +        >::type never_uses_backup; + +    return visitation_impl_invoke_impl( +          internal_which, visitor, storage, t +        , never_uses_backup() +        ); +} + +template <typename Visitor, typename VoidPtrCV, typename NBF> +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename Visitor::result_type) +visitation_impl_invoke(int, Visitor&, VoidPtrCV, apply_visitor_unrolled*, NBF, long) +{ +    // should never be here at runtime: +    BOOST_ASSERT(false); +    typedef typename Visitor::result_type result_type; +    return ::boost::detail::variant::forced_return< result_type >(); +} + +/////////////////////////////////////////////////////////////////////////////// +// (detail) function template visitation_impl +// +// Invokes the given visitor on the type in the given variant storage. +// + +template < +      typename W, typename S +    , typename Visitor, typename VPCV +    , typename NBF +    > +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename Visitor::result_type) +visitation_impl( +      int, int, Visitor&, VPCV +    , mpl::true_ // is_apply_visitor_unrolled +    , NBF, W* = 0, S* = 0 +    ) +{ +    // should never be here at runtime: +    BOOST_ASSERT(false); +    typedef typename Visitor::result_type result_type; +    return ::boost::detail::variant::forced_return< result_type >(); +} + +template < +      typename Which, typename step0 +    , typename Visitor, typename VoidPtrCV +    , typename NoBackupFlag +    > +inline +    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename Visitor::result_type) +visitation_impl( +      const int internal_which, const int logical_which +    , Visitor& visitor, VoidPtrCV storage +    , mpl::false_ // is_apply_visitor_unrolled +    , NoBackupFlag no_backup_flag +    , Which* = 0, step0* = 0 +    ) +{ +    // Typedef apply_visitor_unrolled steps and associated types... +#   define BOOST_VARIANT_AUX_APPLY_VISITOR_STEP_TYPEDEF(z, N, _) \ +    typedef typename BOOST_PP_CAT(step,N)::type BOOST_PP_CAT(T,N); \ +    typedef typename BOOST_PP_CAT(step,N)::next \ +        BOOST_PP_CAT(step, BOOST_PP_INC(N)); \ +    /**/ + +    BOOST_PP_REPEAT( +          BOOST_VARIANT_VISITATION_UNROLLING_LIMIT +        , BOOST_VARIANT_AUX_APPLY_VISITOR_STEP_TYPEDEF +        , _ +        ) + +#   undef BOOST_VARIANT_AUX_APPLY_VISITOR_STEP_TYPEDEF + +    // ...switch on the target which-index value... +    switch (logical_which) +    { + +    // ...applying the appropriate case: +#   define BOOST_VARIANT_AUX_APPLY_VISITOR_STEP_CASE(z, N, _) \ +    case (Which::value + (N)): \ +        return visitation_impl_invoke( \ +              internal_which, visitor, storage \ +            , static_cast<BOOST_PP_CAT(T,N)*>(0) \ +            , no_backup_flag, 1L \ +            ); \ +    /**/ + +    BOOST_PP_REPEAT( +          BOOST_VARIANT_VISITATION_UNROLLING_LIMIT +        , BOOST_VARIANT_AUX_APPLY_VISITOR_STEP_CASE +        , _ +        ) + +#   undef BOOST_VARIANT_AUX_APPLY_VISITOR_STEP_CASE + +    } + +    // If not handled in this iteration, continue unrolling: +    typedef mpl::int_< +          Which::value + (BOOST_VARIANT_VISITATION_UNROLLING_LIMIT) +        > next_which; + +    typedef BOOST_PP_CAT(step, BOOST_VARIANT_VISITATION_UNROLLING_LIMIT) +        next_step; + +    typedef typename next_step::type next_type; +    typedef typename is_same< next_type,apply_visitor_unrolled >::type +        is_apply_visitor_unrolled; + +    return visitation_impl( +          internal_which, logical_which +        , visitor, storage +        , is_apply_visitor_unrolled() +        , no_backup_flag +        , static_cast<next_which*>(0), static_cast<next_step*>(0) +        ); +} + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_VISITATION_IMPL_HPP diff --git a/3rdParty/Boost/src/boost/variant/get.hpp b/3rdParty/Boost/src/boost/variant/get.hpp new file mode 100644 index 0000000..99a65f6 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/get.hpp @@ -0,0 +1,202 @@ +//----------------------------------------------------------------------------- +// boost variant/get.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman, Itay Maman +// +// 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 BOOST_VARIANT_GET_HPP +#define BOOST_VARIANT_GET_HPP + +#include <exception> + +#include "boost/config.hpp" +#include "boost/detail/workaround.hpp" +#include "boost/utility/addressof.hpp" +#include "boost/variant/variant_fwd.hpp" + +#include "boost/type_traits/add_reference.hpp" +#include "boost/type_traits/add_pointer.hpp" + +#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) +#   include "boost/mpl/bool.hpp" +#   include "boost/mpl/or.hpp" +#   include "boost/type_traits/is_same.hpp" +#endif + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// class bad_get +// +// The exception thrown in the event of a failed get of a value. +// +class bad_get +    : public std::exception +{ +public: // std::exception implementation + +    virtual const char * what() const throw() +    { +        return "boost::bad_get: " +               "failed value get using boost::get"; +    } + +}; + +////////////////////////////////////////////////////////////////////////// +// function template get<T> +// +// Retrieves content of given variant object if content is of type T. +// Otherwise: pointer ver. returns 0; reference ver. throws bad_get. +// + +namespace detail { namespace variant { + +// (detail) class template get_visitor +// +// Generic static visitor that: if the value is of the specified type, +// returns a pointer to the value it visits; else a null pointer. +// +template <typename T> +struct get_visitor +{ +private: // private typedefs + +    typedef typename add_pointer<T>::type pointer; +    typedef typename add_reference<T>::type reference; + +public: // visitor typedefs + +    typedef pointer result_type; + +public: // visitor interfaces + +#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) + +    pointer operator()(reference operand) const +    { +        return boost::addressof(operand); +    } + +    template <typename U> +    pointer operator()(const U&) const +    { +        return static_cast<pointer>(0); +    } + +#else // MSVC6 + +private: // helpers, for visitor interfaces (below) + +    pointer execute_impl(reference operand, mpl::true_) const +    { +        return boost::addressof(operand); +    } + +    template <typename U> +    pointer execute_impl(const U& operand, mpl::false_) const +    { +        return static_cast<pointer>(0); +    } + +public: // visitor interfaces + +    template <typename U> +    pointer operator()(U& operand) const +    { +        // MSVC6 finds normal implementation (above) ambiguous, +        // so we must explicitly disambiguate + +        typedef typename mpl::or_< +              is_same<U, T> +            , is_same<const U, T> +            >::type U_is_T; + +        return execute_impl(operand, U_is_T()); +    } + +#endif // MSVC6 workaround + +}; + +}} // namespace detail::variant + +#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x0551)) +#   define BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(t)  \ +    BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t) +#else +#   define BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(t)  \ +    , t* = 0 +#endif + +template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) > +inline +    typename add_pointer<U>::type +get( +      boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >* operand +      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U) +    ) +{ +    typedef typename add_pointer<U>::type U_ptr; +    if (!operand) return static_cast<U_ptr>(0); + +    detail::variant::get_visitor<U> v; +    return operand->apply_visitor(v); +} + +template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) > +inline +    typename add_pointer<const U>::type +get( +      const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >* operand +      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U) +    ) +{ +    typedef typename add_pointer<const U>::type U_ptr; +    if (!operand) return static_cast<U_ptr>(0); + +    detail::variant::get_visitor<const U> v; +    return operand->apply_visitor(v); +} + +template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) > +inline +    typename add_reference<U>::type +get( +      boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& operand +      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U) +    ) +{ +    typedef typename add_pointer<U>::type U_ptr; +    U_ptr result = get<U>(&operand); + +    if (!result) +        throw bad_get(); +    return *result; +} + +template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) > +inline +    typename add_reference<const U>::type +get( +      const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& operand +      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U) +    ) +{ +    typedef typename add_pointer<const U>::type U_ptr; +    U_ptr result = get<const U>(&operand); + +    if (!result) +        throw bad_get(); +    return *result; +} + +} // namespace boost + +#endif // BOOST_VARIANT_GET_HPP diff --git a/3rdParty/Boost/src/boost/variant/recursive_variant.hpp b/3rdParty/Boost/src/boost/variant/recursive_variant.hpp new file mode 100644 index 0000000..c4cd3b0 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/recursive_variant.hpp @@ -0,0 +1,182 @@ +//----------------------------------------------------------------------------- +// boost variant/recursive_variant.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_RECURSIVE_VARIANT_HPP +#define BOOST_VARIANT_RECURSIVE_VARIANT_HPP + +#include "boost/variant/variant_fwd.hpp" +#include "boost/variant/detail/enable_recursive.hpp" +#include "boost/variant/detail/substitute_fwd.hpp" +#include "boost/variant/detail/make_variant_list.hpp" +#include "boost/variant/detail/over_sequence.hpp" + +#include "boost/mpl/aux_/lambda_arity_param.hpp" + +#if !defined(BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT) +#   include "boost/mpl/eval_if.hpp" +#   include "boost/mpl/identity.hpp" +#   include "boost/mpl/protect.hpp" +#   include "boost/mpl/transform.hpp" +#else +#   include "boost/preprocessor/cat.hpp" +#   include "boost/preprocessor/repeat.hpp" +#endif + +#include "boost/mpl/bool.hpp" +#include "boost/mpl/is_sequence.hpp" +#include "boost/variant/variant.hpp" + +namespace boost { + +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction specialization substitute +// +// Handles embedded variant types when substituting for recursive_variant_. +// + +#if !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +template < +      BOOST_VARIANT_ENUM_PARAMS(typename T) +    , typename RecursiveVariant +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(typename Arity) +    > +struct substitute< +      ::boost::variant< +          recursive_flag< T0 > +        , BOOST_VARIANT_ENUM_SHIFTED_PARAMS(T) +        > +    , RecursiveVariant +    , ::boost::recursive_variant_ +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(Arity) +    > +{ +    typedef ::boost::variant< +          recursive_flag< T0 > +        , BOOST_VARIANT_ENUM_SHIFTED_PARAMS(T) +        > type; +}; + +template < +      BOOST_VARIANT_ENUM_PARAMS(typename T) +    , typename RecursiveVariant +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(typename Arity) +    > +struct substitute< +      ::boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) > +    , RecursiveVariant +    , ::boost::recursive_variant_ +      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(Arity) +    > +{ + +#if !defined(BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT) + +private: // helpers, for metafunction result (below) + +    typedef typename mpl::eval_if< +          ::boost::detail::variant::is_over_sequence<T0> +        , mpl::identity< T0 > +        , make_variant_list< BOOST_VARIANT_ENUM_PARAMS(T) > +        >::type initial_types; + +    typedef typename mpl::transform< +          initial_types +        , mpl::protect< quoted_enable_recursive<RecursiveVariant,mpl::true_> > +        >::type types; + +public: // metafunction result + +    typedef ::boost::variant< types > type; + +#else // defined(BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT) + +private: // helpers, for metafunction result (below) + +    #define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_TYPEDEFS(z,N,_)  \ +        typedef typename enable_recursive<   \ +              BOOST_PP_CAT(T,N)              \ +            , RecursiveVariant               \ +            , mpl::true_                     \ +            >::type BOOST_PP_CAT(wknd_T,N);  \ +        /**/ + +    BOOST_PP_REPEAT( +          BOOST_VARIANT_LIMIT_TYPES +        , BOOST_VARIANT_AUX_ENABLE_RECURSIVE_TYPEDEFS +        , _ +        ) + +    #undef BOOST_VARIANT_AUX_ENABLE_RECURSIVE_TYPEDEFS + +public: // metafunction result + +    typedef ::boost::variant< BOOST_VARIANT_ENUM_PARAMS(wknd_T) > type; + +#endif // BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT workaround + +}; + +#else // defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +// +// no specializations: embedded variants unsupported on these compilers! +// + +#endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +}} // namespace detail::variant + +/////////////////////////////////////////////////////////////////////////////// +// metafunction make_recursive_variant +// +// See docs and boost/variant/variant_fwd.hpp for more information. +// +template < BOOST_VARIANT_ENUM_PARAMS(typename T) > +struct make_recursive_variant +{ +public: // metafunction result + +    typedef boost::variant< +          detail::variant::recursive_flag< T0 > +        , BOOST_VARIANT_ENUM_SHIFTED_PARAMS(T) +        > type; + +}; + +/////////////////////////////////////////////////////////////////////////////// +// metafunction make_recursive_variant_over +// +// See docs and boost/variant/variant_fwd.hpp for more information. +// +template <typename Types> +struct make_recursive_variant_over +{ +private: // precondition assertions + +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) +    BOOST_STATIC_ASSERT(( ::boost::mpl::is_sequence<Types>::value )); +#endif + +public: // metafunction result + +    typedef typename make_recursive_variant< +          detail::variant::over_sequence< Types > +        >::type type; + +}; + +} // namespace boost + +#endif // BOOST_VARIANT_RECURSIVE_VARIANT_HPP diff --git a/3rdParty/Boost/src/boost/variant/recursive_wrapper.hpp b/3rdParty/Boost/src/boost/variant/recursive_wrapper.hpp new file mode 100644 index 0000000..ddc7002 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/recursive_wrapper.hpp @@ -0,0 +1,123 @@ +//----------------------------------------------------------------------------- +// boost variant/recursive_wrapper.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman, Itay Maman +// +// 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 BOOST_VARIANT_RECURSIVE_WRAPPER_HPP +#define BOOST_VARIANT_RECURSIVE_WRAPPER_HPP + +#include "boost/variant/recursive_wrapper_fwd.hpp" +#include "boost/checked_delete.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// class template recursive_wrapper +// +// See docs and recursive_wrapper_fwd.hpp for more information. +// + +template <typename T> +class recursive_wrapper +{ +public: // typedefs + +    typedef T type; + +private: // representation + +    T* p_; + +public: // structors + +    ~recursive_wrapper(); +    recursive_wrapper(); + +    recursive_wrapper(const recursive_wrapper& operand); +    recursive_wrapper(const T& operand); + +private: // helpers, for modifiers (below) + +    void assign(const T& rhs); + +public: // modifiers + +    recursive_wrapper& operator=(const recursive_wrapper& rhs) +    { +        assign( rhs.get() ); +        return *this; +    } + +    recursive_wrapper& operator=(const T& rhs) +    { +        assign( rhs ); +        return *this; +    } + +    void swap(recursive_wrapper& operand) +    { +        T* temp = operand.p_; +        operand.p_ = p_; +        p_ = temp; +    } + +public: // queries + +    T& get() { return *get_pointer(); } +    const T& get() const { return *get_pointer(); } + +    T* get_pointer() { return p_; } +    const T* get_pointer() const { return p_; } + +}; + +template <typename T> +recursive_wrapper<T>::~recursive_wrapper() +{ +    boost::checked_delete(p_); +} + +template <typename T> +recursive_wrapper<T>::recursive_wrapper() +    : p_(new T) +{ +} + +template <typename T> +recursive_wrapper<T>::recursive_wrapper(const recursive_wrapper& operand) +    : p_(new T( operand.get() )) +{ +} + +template <typename T> +recursive_wrapper<T>::recursive_wrapper(const T& operand) +    : p_(new T(operand)) +{ +} + +template <typename T> +void recursive_wrapper<T>::assign(const T& rhs) +{ +    this->get() = rhs; +} + +// function template swap +// +// Swaps two recursive_wrapper<T> objects of the same type T. +// +template <typename T> +inline void swap(recursive_wrapper<T>& lhs, recursive_wrapper<T>& rhs) +{ +    lhs.swap(rhs); +} + +} // namespace boost + +#endif // BOOST_VARIANT_RECURSIVE_WRAPPER_HPP diff --git a/3rdParty/Boost/src/boost/variant/recursive_wrapper_fwd.hpp b/3rdParty/Boost/src/boost/variant/recursive_wrapper_fwd.hpp new file mode 100644 index 0000000..69a0ec7 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/recursive_wrapper_fwd.hpp @@ -0,0 +1,147 @@ +//----------------------------------------------------------------------------- +// boost variant/recursive_wrapper_fwd.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002 +// Eric Friedman, Itay Maman +// +// Portions Copyright (C) 2002 David Abrahams +// +// 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 BOOST_VARIANT_RECURSIVE_WRAPPER_FWD_HPP +#define BOOST_VARIANT_RECURSIVE_WRAPPER_FWD_HPP + +#include "boost/mpl/aux_/config/ctps.hpp" +#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) +#   include "boost/mpl/eval_if.hpp" +#   include "boost/mpl/bool.hpp" +#   include "boost/mpl/identity.hpp" +#   include "boost/type.hpp" +#endif + +#include "boost/mpl/aux_/lambda_support.hpp" + +// should be the last #include +#include "boost/type_traits/detail/bool_trait_def.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// class template recursive_wrapper +// +// Enables recursive types in templates by breaking cyclic dependencies. +// +// For example: +// +//   class my; +// +//   typedef variant< int, recursive_wrapper<my> > var; +// +//   class my { +//     var var_; +//     ... +//   }; +// +template <typename T> class recursive_wrapper; + +/////////////////////////////////////////////////////////////////////////////// +// metafunction is_recursive_wrapper (modeled on code by David Abrahams) +// +// True iff specified type matches recursive_wrapper<T>. +// + +namespace detail { + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T> +struct is_recursive_wrapper_impl +    : mpl::false_ +{ +}; + +template <typename T> +struct is_recursive_wrapper_impl< recursive_wrapper<T> > +    : mpl::true_ +{ +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +typedef char (&yes_recursive_wrapper_t)[1]; +typedef char (&no_recursive_wrapper_t)[2]; + +no_recursive_wrapper_t is_recursive_wrapper_test(...); + +template<typename T> +yes_recursive_wrapper_t is_recursive_wrapper_test( +      type< ::boost::recursive_wrapper<T> > +    ); + +template<typename T> +struct is_recursive_wrapper_impl +{ +    BOOST_STATIC_CONSTANT(bool, value = ( +          sizeof(is_recursive_wrapper_test(type<T>())) +          == sizeof(yes_recursive_wrapper_t) +        )); +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +} // namespace detail + +BOOST_TT_AUX_BOOL_TRAIT_DEF1( +      is_recursive_wrapper +    , T +    , (::boost::detail::is_recursive_wrapper_impl<T>::value) +    ) + +/////////////////////////////////////////////////////////////////////////////// +// metafunction unwrap_recursive +// +// If specified type T matches recursive_wrapper<U>, then U; else T. +// + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T> +struct unwrap_recursive +{ +    typedef T type; + +    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,unwrap_recursive,(T)) +}; + +template <typename T> +struct unwrap_recursive< recursive_wrapper<T> > +{ +    typedef T type; + +    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(1,unwrap_recursive,(T)) +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T> +struct unwrap_recursive +    : mpl::eval_if< +          is_recursive_wrapper<T> +        , T +        , mpl::identity< T > +        > +{ +    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,unwrap_recursive,(T)) +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +} // namespace boost + +#include "boost/type_traits/detail/bool_trait_undef.hpp" + +#endif // BOOST_VARIANT_RECURSIVE_WRAPPER_FWD_HPP diff --git a/3rdParty/Boost/src/boost/variant/static_visitor.hpp b/3rdParty/Boost/src/boost/variant/static_visitor.hpp new file mode 100644 index 0000000..b59b6f5 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/static_visitor.hpp @@ -0,0 +1,97 @@ +//----------------------------------------------------------------------------- +// boost variant/static_visitor.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_STATIC_VISITOR_HPP +#define BOOST_VARIANT_STATIC_VISITOR_HPP + +#include "boost/config.hpp" +#include "boost/detail/workaround.hpp" + +#include "boost/mpl/if.hpp" +#include "boost/type_traits/is_base_and_derived.hpp" + +#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) +#   include "boost/type_traits/is_same.hpp" +#endif + +// should be the last #include +#include "boost/type_traits/detail/bool_trait_def.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// class template static_visitor +// +// An empty base class that typedefs the return type of a deriving static +// visitor. The class is analogous to std::unary_function in this role. +// + +namespace detail { + +    struct is_static_visitor_tag { }; + +    typedef void static_visitor_default_return; + +} // namespace detail + +template <typename R = ::boost::detail::static_visitor_default_return> +class static_visitor +    : public detail::is_static_visitor_tag +{ +public: // typedefs + +    typedef R result_type; + +protected: // for use as base class only + +    static_visitor() { } +    ~static_visitor() { } + +}; + +////////////////////////////////////////////////////////////////////////// +// metafunction is_static_visitor +// +// Value metafunction indicates whether the specified type derives from +// static_visitor<...>. +// +// NOTE #1: This metafunction does NOT check whether the specified type +//  fulfills the requirements of the StaticVisitor concept. +// +// NOTE #2: This template never needs to be specialized! +// + +namespace detail { + +template <typename T> +struct is_static_visitor_impl +{ +    BOOST_STATIC_CONSTANT(bool, value =  +        (::boost::is_base_and_derived<  +            detail::is_static_visitor_tag, +            T +        >::value)); +}; + +} // namespace detail + +BOOST_TT_AUX_BOOL_TRAIT_DEF1( +      is_static_visitor +    , T +    , (::boost::detail::is_static_visitor_impl<T>::value) +    ) + +} // namespace boost + +#include "boost/type_traits/detail/bool_trait_undef.hpp" + +#endif // BOOST_VARIANT_STATIC_VISITOR_HPP diff --git a/3rdParty/Boost/src/boost/variant/variant.hpp b/3rdParty/Boost/src/boost/variant/variant.hpp new file mode 100644 index 0000000..7e3c9e8 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/variant.hpp @@ -0,0 +1,1862 @@ +//----------------------------------------------------------------------------- +// boost variant/variant.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman, Itay Maman +// +// 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 BOOST_VARIANT_VARIANT_HPP +#define BOOST_VARIANT_VARIANT_HPP + +#include <cstddef> // for std::size_t +#include <new> // for placement new + +#if !defined(BOOST_NO_TYPEID) +#include <typeinfo> // for typeid, std::type_info +#endif // BOOST_NO_TYPEID + +#include "boost/variant/detail/config.hpp" +#include "boost/mpl/aux_/config/eti.hpp" +#include "boost/mpl/aux_/value_wknd.hpp" + +#include "boost/variant/variant_fwd.hpp" +#include "boost/variant/detail/backup_holder.hpp" +#include "boost/variant/detail/enable_recursive_fwd.hpp" +#include "boost/variant/detail/forced_return.hpp" +#include "boost/variant/detail/initializer.hpp" +#include "boost/variant/detail/make_variant_list.hpp" +#include "boost/variant/detail/over_sequence.hpp" +#include "boost/variant/detail/visitation_impl.hpp" + +#include "boost/variant/detail/generic_result_type.hpp" +#include "boost/variant/detail/has_nothrow_move.hpp" +#include "boost/variant/detail/move.hpp" + +#include "boost/detail/reference_content.hpp" +#include "boost/aligned_storage.hpp" +#include "boost/blank.hpp" +#include "boost/static_assert.hpp" +#include "boost/preprocessor/cat.hpp" +#include "boost/preprocessor/repeat.hpp" +#include "boost/type_traits/alignment_of.hpp" +#include "boost/type_traits/add_const.hpp" +#include "boost/type_traits/has_nothrow_constructor.hpp" +#include "boost/type_traits/has_nothrow_copy.hpp" +#include "boost/type_traits/is_const.hpp" +#include "boost/type_traits/is_same.hpp" +#include "boost/utility/enable_if.hpp" +#include "boost/variant/recursive_wrapper_fwd.hpp" +#include "boost/variant/static_visitor.hpp" + +#include "boost/mpl/eval_if.hpp" +#include "boost/mpl/begin_end.hpp" +#include "boost/mpl/bool.hpp" +#include "boost/mpl/empty.hpp" +#include "boost/mpl/find_if.hpp" +#include "boost/mpl/front.hpp" +#include "boost/mpl/identity.hpp" +#include "boost/mpl/if.hpp" +#include "boost/mpl/int.hpp" +#include "boost/mpl/is_sequence.hpp" +#include "boost/mpl/iterator_range.hpp" +#include "boost/mpl/iter_fold_if.hpp" +#include "boost/mpl/logical.hpp" +#include "boost/mpl/max_element.hpp" +#include "boost/mpl/next.hpp" +#include "boost/mpl/deref.hpp" +#include "boost/mpl/pair.hpp" +#include "boost/mpl/protect.hpp" +#include "boost/mpl/push_front.hpp" +#include "boost/mpl/same_as.hpp" +#include "boost/mpl/size_t.hpp" +#include "boost/mpl/sizeof.hpp" +#include "boost/mpl/transform.hpp" +#include "boost/mpl/assert.hpp" + +/////////////////////////////////////////////////////////////////////////////// +// Implementation Macros: +// +// BOOST_VARIANT_VISITATION_UNROLLING_LIMIT +//   Defined in boost/variant/detail/visitation_impl.hpp. +// +// BOOST_VARIANT_MINIMIZE_SIZE +//   When #defined, implementation employs all known means to minimize the +//   size of variant obje   cts. However, often unsuccessful due to alignment +//   issues, and potentially harmful to runtime speed, so not enabled by +//   default. (TODO: Investigate further.) + +#if defined(BOOST_VARIANT_MINIMIZE_SIZE) +#   include <climits> // for SCHAR_MAX +#   include "boost/mpl/eval_if.hpp" +#   include "boost/mpl/equal_to.hpp" +#   include "boost/mpl/identity.hpp" +#   include "boost/mpl/int.hpp" +#   include "boost/mpl/if.hpp" +#   include "boost/mpl/less.hpp" +#   include "boost/mpl/long.hpp" +#   include "boost/mpl/O1_size.hpp" +#endif + + +namespace boost { + +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction max_value +// +// Finds the maximum value of the unary metafunction F over Sequence. +// +template <typename Sequence, typename F> +struct max_value +{ +private: // helpers, for metafunction result (below) + +    typedef typename mpl::transform1<Sequence, F>::type transformed_; +    typedef typename mpl::max_element<transformed_ +           +        >::type max_it; + +public: // metafunction result + +    typedef typename mpl::deref<max_it>::type +        type; + +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction find_fallback_type +// +// Provides a fallback (i.e., nothrow default-constructible) type from the +// specified sequence, or no_fallback_type if not found. +// +// This implementation is designed to prefer boost::blank over other potential +// fallback types, regardless of its position in the specified sequence. +// + +class no_fallback_type; + +struct find_fallback_type_pred +{ +    template <typename Iterator> +    struct apply +    { +    private: +        typedef typename mpl::deref<Iterator>::type t_; + +    public: +        typedef mpl::not_< has_nothrow_constructor<t_> > type; +    }; +}; + +template <typename Types> +struct find_fallback_type +{ +private: // helpers, for metafunction result (below) + +    typedef typename mpl::end<Types>::type end_it; + +    // [Find the first suitable fallback type...] + +    typedef typename mpl::iter_fold_if< +          Types +        , mpl::int_<0>, mpl::protect< mpl::next<> > +        , mpl::protect< find_fallback_type_pred > +        >::type first_result_; + +    typedef typename first_result_::first first_result_index; +    typedef typename first_result_::second first_result_it; + +    // [...now search the rest of the sequence for boost::blank...] + +    typedef typename mpl::iter_fold_if< +          mpl::iterator_range< first_result_it,end_it > +        , first_result_index, mpl::protect< mpl::next<> > +        , mpl::protect< mpl::not_same_as<boost::blank> > +        >::type second_result_; + +    typedef typename second_result_::second second_result_it; + +public: // metafunction result + +    // [...and return the results of the search:] +    typedef typename mpl::eval_if< +          is_same< second_result_it,end_it > +        , mpl::if_< +              is_same< first_result_it,end_it > +            , mpl::pair< no_fallback_type,no_fallback_type > +            , first_result_ +            > +        , mpl::identity< second_result_ > +        >::type type; + +}; + +#if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) + +template<> +struct find_fallback_type<int> +{ +    typedef mpl::pair< no_fallback_type,no_fallback_type > type; +}; + +#endif // BOOST_MPL_CFG_MSVC_60_ETI_BUG workaround + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction make_storage +// +// Provides an aligned storage type capable of holding any of the types +// specified in the given type-sequence. +// + +template <typename Types, typename NeverUsesBackupFlag> +struct make_storage +{ +private: // helpers, for metafunction result (below) + +    typedef typename mpl::eval_if< +          NeverUsesBackupFlag +        , mpl::identity< Types > +        , mpl::push_front< +              Types, backup_holder<void*> +            > +        >::type types; + +    typedef typename max_value< +          types, mpl::sizeof_<mpl::_1> +        >::type max_size; + +#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x0551)) + +    typedef typename max_value< +          types, alignment_of<mpl::_1> +        >::type max_alignment; + +#else // borland + +    // temporary workaround -- use maximal alignment +    typedef mpl::size_t< -1 > max_alignment; + +#endif // borland workaround + +public: // metafunction result + +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +    typedef ::boost::aligned_storage< +          BOOST_MPL_AUX_VALUE_WKND(max_size)::value +        , BOOST_MPL_AUX_VALUE_WKND(max_alignment)::value +        > type; + +#else // MSVC7 and below + +    BOOST_STATIC_CONSTANT(std::size_t, msvc_max_size_c = max_size::value); +    BOOST_STATIC_CONSTANT(std::size_t, msvc_max_alignment_c = max_alignment::value); + +    typedef ::boost::aligned_storage< +          msvc_max_size_c +        , msvc_max_alignment_c +        > type; + +#endif // MSVC workaround + +}; + +#if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) + +template<> +struct make_storage<int,int> +{ +    typedef int type; +}; + +#endif // BOOST_MPL_CFG_MSVC_60_ETI_BUG workaround + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class destroyer +// +// Internal visitor that destroys the value it visits. +// +struct destroyer +    : public static_visitor<> +{ +public: // visitor interfaces + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(T& operand, int) const +    { +        operand.~T(); + +#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x0551)) || \ +    BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600)) +        operand; // suppresses warnings +#endif + +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class template known_get +// +// Visitor that returns a reference to content of the specified type. +// +// Precondition: visited variant MUST contain logical content of type T. +// +template <typename T> +class known_get +    : public static_visitor<T&> +{ + +#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) + +public: // visitor interface + +    T& operator()(T& operand) const +    { +        return operand; +    } + +    template <typename U> +    T& operator()(U&) const +    { +        // logical error to be here: see precondition above +        BOOST_ASSERT(false); +        return ::boost::detail::variant::forced_return< T& >(); +    } + +#else // MSVC6 + +private: // helpers, for visitor interface (below) + +    T& execute(T& operand, mpl::true_) const +    { +        return operand; +    } + +    template <typename U> +    T& execute(U& operand, mpl::false_) const +    { +        // logical error to be here: see precondition above +        BOOST_ASSERT(false); +        return ::boost::detail::variant::forced_return< T& >(); +    } + +public: // visitor interface + +    template <typename U> +    T& operator()(U& operand) const +    { +        typedef typename is_same< U,T >::type +            U_is_T; + +        return execute(operand, U_is_T()); +    } + +#endif // MSVC6 workaround + +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class copy_into +// +// Internal visitor that copies the value it visits into the given buffer. +// +class copy_into +    : public static_visitor<> +{ +private: // representation + +    void* storage_; + +public: // structors + +    explicit copy_into(void* storage) +        : storage_(storage) +    { +    } + +public: // internal visitor interface + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(boost::detail::variant::backup_holder<T>& operand, long) const +    { +        new(storage_) T( operand.get() ); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(const boost::detail::variant::backup_holder<T>& operand, long) const +    { +        new(storage_) T( operand.get() ); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(const T& operand, int) const +    { +        new(storage_) T(operand); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class assign_storage +// +// Internal visitor that assigns the given storage (which must be a +// constructed value of the same type) to the value it visits. +// +struct assign_storage +    : public static_visitor<> +{ +private: // representation + +    const void* rhs_storage_; + +public: // structors + +    explicit assign_storage(const void* rhs_storage) +        : rhs_storage_(rhs_storage) +    { +    } + +public: // internal visitor interfaces + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(backup_holder<T>& lhs_content, long) const +    { +        lhs_content.get() +            = static_cast< const backup_holder<T>* >(rhs_storage_)->get(); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(const backup_holder<T>& lhs_content, long) const +    { +        lhs_content.get() +            = static_cast< const backup_holder<T>* >(rhs_storage_)->get(); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(T& lhs_content, int) const +    { +        // NOTE TO USER : +        // Compile error here indicates one of variant's bounded types does +        // not meet the requirements of the Assignable concept. Thus, +        // variant is not Assignable. +        // +        // Hint: Are any of the bounded types const-qualified or references? +        // +        lhs_content = *static_cast< const T* >(rhs_storage_); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class direct_assigner +// +// Generic static visitor that: if and only if the visited value is of the +// specified type, assigns the given value to the visited value and returns +// true; else returns false. +// +template <typename T> +class direct_assigner +    : public static_visitor<bool> +{ +private: // representation + +    const T& rhs_; + +public: // structors + +    explicit direct_assigner(const T& rhs) +        : rhs_(rhs) +    { +    } + +#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) + +public: // visitor interface + +    bool operator()(T& lhs) +    { +        lhs = rhs_; +        return true; +    } + +    template <typename U> +    bool operator()(U&) +    { +        return false; +    } + +#else // MSVC6 + +private: // helpers, for visitor interface (below) + +    bool execute(T& lhs, mpl::true_) +    { +        lhs = rhs_; +        return true; +    } + +    template <typename U> +    bool execute(U&, mpl::false_) +    { +        return false; +    } + +public: // visitor interface + +    template <typename U> +    bool operator()(U& lhs) +    { +        typedef typename is_same<U,T>::type U_is_T; +        return execute(lhs, U_is_T()); +    } + +#endif // MSVC6 workaround + +#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600)) +private: +    // silence MSVC warning C4512: assignment operator could not be generated +    direct_assigner& operator= (direct_assigner const&); +#endif +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class backup_assigner +// +// Internal visitor that "assigns" the given value to the visited value, +// using backup to recover if the destroy-copy sequence fails. +// +// NOTE: This needs to be a friend of variant, as it needs access to +// indicate_which, indicate_backup_which, etc. +// +template <typename Variant, typename RhsT> +class backup_assigner +    : public static_visitor<> +{ +private: // representation + +    Variant& lhs_; +    int rhs_which_; +    const RhsT& rhs_content_; + +public: // structors + +    backup_assigner(Variant& lhs, int rhs_which, const RhsT& rhs_content) +        : lhs_(lhs) +        , rhs_which_(rhs_which) +        , rhs_content_(rhs_content) +    { +    } + +private: // helpers, for visitor interface (below) + +    template <typename LhsT> +    void backup_assign_impl( +          LhsT& lhs_content +        , mpl::true_// has_nothrow_move +        ) +    { +        // Move lhs content to backup... +        LhsT backup_lhs_content( +              ::boost::detail::variant::move(lhs_content) +            ); // nothrow + +        // ...destroy lhs content... +        lhs_content.~LhsT(); // nothrow + +        try +        { +            // ...and attempt to copy rhs content into lhs storage: +            new(lhs_.storage_.address()) RhsT(rhs_content_); +        } +        catch (...) +        { +            // In case of failure, restore backup content to lhs storage... +            new(lhs_.storage_.address()) +                LhsT( +                      ::boost::detail::variant::move(backup_lhs_content) +                    ); // nothrow + +            // ...and rethrow: +            throw; +        } + +        // In case of success, indicate new content type: +        lhs_.indicate_which(rhs_which_); // nothrow +    } + +    template <typename LhsT> +    void backup_assign_impl( +          LhsT& lhs_content +        , mpl::false_// has_nothrow_move +        ) +    { +        // Backup lhs content... +        LhsT* backup_lhs_ptr = new LhsT(lhs_content); + +        // ...destroy lhs content... +        lhs_content.~LhsT(); // nothrow + +        try +        { +            // ...and attempt to copy rhs content into lhs storage: +            new(lhs_.storage_.address()) RhsT(rhs_content_); +        } +        catch (...) +        { +            // In case of failure, copy backup pointer to lhs storage... +            new(lhs_.storage_.address()) +                backup_holder<LhsT>( backup_lhs_ptr ); // nothrow + +            // ...indicate now using backup... +            lhs_.indicate_backup_which( lhs_.which() ); // nothrow + +            // ...and rethrow: +            throw; +        } + +        // In case of success, indicate new content type... +        lhs_.indicate_which(rhs_which_); // nothrow + +        // ...and delete backup: +        delete backup_lhs_ptr; // nothrow +    } + +public: // visitor interface + +    template <typename LhsT> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    internal_visit(LhsT& lhs_content, int) +    { +        typedef typename has_nothrow_move_constructor<LhsT>::type +            nothrow_move; + +        backup_assign_impl( lhs_content, nothrow_move() ); + +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600)) +private: +    // silence MSVC warning C4512: assignment operator could not be generated +    backup_assigner& operator= (backup_assigner const&); +#endif +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class swap_with +// +// Visitor that swaps visited value with content of given variant. +// +// Precondition: Given variant MUST have same logical type as visited value. +// +template <typename Variant> +struct swap_with +    : public static_visitor<> +{ +private: // representation + +    Variant& toswap_; + +public: // structors + +    explicit swap_with(Variant& toswap) +        : toswap_(toswap) +    { +    } + +public: // internal visitor interfaces + +    template <typename T> +    void operator()(T& operand) const +    { +        // Since the precondition ensures types are same, get T... +        known_get<T> getter; +        T& other = toswap_.apply_visitor(getter); + +        // ...and swap: +        ::boost::detail::variant::move_swap( operand, other ); +    } + +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class reflect +// +// Generic static visitor that performs a typeid on the value it visits. +// + +#if !defined(BOOST_NO_TYPEID) + +class reflect +    : public static_visitor<const std::type_info&> +{ +public: // visitor interfaces + +    template <typename T> +    const std::type_info& operator()(const T&) const +    { +        return typeid(T); +    } + +}; + +#endif // BOOST_NO_TYPEID + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class comparer +// +// Generic static visitor that compares the content of the given lhs variant +// with the visited rhs content using Comp. +// +// Precondition: lhs.which() == rhs.which() +// +template <typename Variant, typename Comp> +class comparer +    : public static_visitor<bool> +{ +private: // representation + +    const Variant& lhs_; + +public: // structors + +    explicit comparer(const Variant& lhs) +        : lhs_(lhs) +    { +    } + +public: // visitor interfaces + +    template <typename T> +    bool operator()(const T& rhs_content) const +    { +        // Since the precondition ensures lhs and rhs types are same, get T... +        known_get<const T> getter; +        const T& lhs_content = lhs_.apply_visitor(getter); + +        // ...and compare lhs and rhs contents: +        return Comp()(lhs_content, rhs_content); +    } + +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class equal_comp +// +// Generic function object compares lhs with rhs using operator==. +// +struct equal_comp +{ +    template <typename T> +    bool operator()(const T& lhs, const T& rhs) const +    { +        return lhs == rhs; +    } +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class less_comp +// +// Generic function object compares lhs with rhs using operator<. +// +struct less_comp +{ +    template <typename T> +    bool operator()(const T& lhs, const T& rhs) const +    { +        return lhs < rhs; +    } +}; + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class template invoke_visitor +// +// Internal visitor that invokes the given visitor using: +//  * for wrappers (e.g., recursive_wrapper), the wrapper's held value. +//  * for all other values, the value itself. +// +template <typename Visitor> +class invoke_visitor +{ +private: // representation + +    Visitor& visitor_; + +public: // visitor typedefs + +    typedef typename Visitor::result_type +        result_type; + +public: // structors + +    explicit invoke_visitor(Visitor& visitor) +        : visitor_(visitor) +    { +    } + +#if !defined(BOOST_NO_VOID_RETURNS) + +public: // internal visitor interfaces + +    template <typename T> +    result_type internal_visit(T& operand, int) +    { +        return visitor_(operand); +    } + +#   if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x0564)) +    template <typename T> +    result_type internal_visit(const T& operand, int) +    { +        return visitor_(operand); +    } +#   endif + +#else // defined(BOOST_NO_VOID_RETURNS) + +private: // helpers, for internal visitor interfaces (below) + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    visit_impl(T& operand, mpl::false_) +    { +        return visitor_(operand); +    } + +    template <typename T> +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    visit_impl(T& operand, mpl::true_) +    { +        visitor_(operand); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +public: // internal visitor interfaces + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    internal_visit(T& operand, int) +    { +        typedef typename is_same<result_type, void>::type +            has_void_result_type; + +        return visit_impl(operand, has_void_result_type()); +    } + +#endif // BOOST_NO_VOID_RETURNS) workaround + +public: // internal visitor interfaces, cont. + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    internal_visit(boost::recursive_wrapper<T>& operand, long) +    { +        return internal_visit( operand.get(), 1L ); +    } + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    internal_visit(const boost::recursive_wrapper<T>& operand, long) +    { +        return internal_visit( operand.get(), 1L ); +    } + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    internal_visit(boost::detail::reference_content<T>& operand, long) +    { +        return internal_visit( operand.get(), 1L ); +    } + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    internal_visit(const boost::detail::reference_content<T>& operand, long) +    { +        return internal_visit( operand.get(), 1L ); +    } + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    internal_visit(boost::detail::variant::backup_holder<T>& operand, long) +    { +        return internal_visit( operand.get(), 1L ); +    } + +    template <typename T> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    internal_visit(const boost::detail::variant::backup_holder<T>& operand, long) +    { +        return internal_visit( operand.get(), 1L ); +    } + +#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600)) +private: +    // silence MSVC warning C4512: assignment operator could not be generated +    invoke_visitor& operator= (invoke_visitor const&); +#endif +}; + +}} // namespace detail::variant + +/////////////////////////////////////////////////////////////////////////////// +// class template variant (concept inspired by Andrei Alexandrescu) +// +// See docs and boost/variant/variant_fwd.hpp for more information. +// +template < +      typename T0_ +    , BOOST_VARIANT_ENUM_SHIFTED_PARAMS(typename T) +    > +class variant +{ +private: // helpers, for typedefs (below) + +    typedef variant wknd_self_t; + +    struct is_recursive_ +        : detail::variant::is_recursive_flag<T0_> +    { +    }; + +    typedef typename mpl::eval_if< +          is_recursive_ +        , T0_ +        , mpl::identity< T0_ > +        >::type unwrapped_T0_; + +    struct is_sequence_based_ +        : detail::variant::is_over_sequence<unwrapped_T0_> +    { +    }; + +#if !defined(BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT) + +private: // helpers, for typedefs (below) + +    typedef typename mpl::eval_if< +          is_sequence_based_ +        , unwrapped_T0_ // over_sequence<...>::type +        , detail::variant::make_variant_list< +              unwrapped_T0_ +            , BOOST_VARIANT_ENUM_SHIFTED_PARAMS(T) +            > +        >::type specified_types; + +    BOOST_STATIC_ASSERT(( +          ::boost::mpl::not_< mpl::empty<specified_types> >::value +        )); + +    typedef typename mpl::eval_if< +          is_recursive_ +        , mpl::transform< +              specified_types +            , mpl::protect< +                  detail::variant::quoted_enable_recursive<wknd_self_t> +                > +            > +        , mpl::identity< specified_types > +        >::type recursive_enabled_types; + +public: // public typedefs + +    typedef typename mpl::transform< +          recursive_enabled_types +        , unwrap_recursive<mpl::_1> +        >::type types; + +private: // internal typedefs + +    typedef typename mpl::transform< +          recursive_enabled_types +        , mpl::protect< detail::make_reference_content<> > +        >::type internal_types; + +    typedef typename mpl::front< +          internal_types +        >::type internal_T0; + +#else // defined(BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT) + +private: // helpers, for typedefs (below) + +    typedef unwrapped_T0_ T0; + +    #define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_TYPEDEFS(z,N,_) \ +        typedef typename mpl::eval_if< \ +              is_recursive_ \ +            , detail::variant::enable_recursive< \ +                  BOOST_PP_CAT(T,N) \ +                , wknd_self_t \ +                > \ +            , mpl::identity< BOOST_PP_CAT(T,N) > \ +            >::type BOOST_PP_CAT(recursive_enabled_T,N); \ +        /**/ + +    BOOST_PP_REPEAT( +          BOOST_VARIANT_LIMIT_TYPES +        , BOOST_VARIANT_AUX_ENABLE_RECURSIVE_TYPEDEFS +        , _ +        ) + +    #undef BOOST_VARIANT_AUX_ENABLE_RECURSIVE_TYPEDEFS + +    #define BOOST_VARIANT_AUX_UNWRAP_RECURSIVE_TYPEDEFS(z,N,_) \ +        typedef typename unwrap_recursive< \ +              BOOST_PP_CAT(recursive_enabled_T,N) \ +            >::type BOOST_PP_CAT(public_T,N); \ +        /**/ + +    BOOST_PP_REPEAT( +          BOOST_VARIANT_LIMIT_TYPES +        , BOOST_VARIANT_AUX_UNWRAP_RECURSIVE_TYPEDEFS +        , _ +        ) + +    #undef BOOST_VARIANT_AUX_UNWRAP_RECURSIVE_TYPEDEFS + +public: // public typedefs + +    typedef typename detail::variant::make_variant_list< +          BOOST_VARIANT_ENUM_PARAMS(public_T) +        >::type types; + +private: // helpers, for internal typedefs (below) + +    #define BOOST_VARIANT_AUX_MAKE_REFERENCE_CONTENT_TYPEDEFS(z,N,_) \ +        typedef detail::make_reference_content< \ +              BOOST_PP_CAT(recursive_enabled_T,N) \ +            >::type BOOST_PP_CAT(internal_T,N); \ +        /**/ + +    BOOST_PP_REPEAT( +          BOOST_VARIANT_LIMIT_TYPES +        , BOOST_VARIANT_AUX_MAKE_REFERENCE_CONTENT_TYPEDEFS +        , _ +        ) + +    #undef BOOST_VARIANT_AUX_MAKE_REFERENCE_CONTENT_TYPEDEFS + +private: // internal typedefs + +    typedef typename detail::variant::make_variant_list< +          BOOST_VARIANT_ENUM_PARAMS(internal_T) +        >::type internal_types; + +private: // static precondition assertions + +    // NOTE TO USER : +    // variant< type-sequence > syntax is not supported on this compiler! +    // +    BOOST_MPL_ASSERT_NOT(( is_sequence_based_ )); + +#endif // BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT workaround + +private: // helpers, for representation (below) + +    typedef typename detail::variant::find_fallback_type< +          internal_types +        >::type fallback_type_result_; + +    typedef typename fallback_type_result_::first +        fallback_type_index_; +    typedef typename fallback_type_result_::second +        fallback_type_; + +    struct has_fallback_type_ +        : mpl::not_< +              is_same< fallback_type_, detail::variant::no_fallback_type > +            > +    { +    }; + +    typedef has_fallback_type_ +        never_uses_backup_flag; + +    typedef typename detail::variant::make_storage< +          internal_types, never_uses_backup_flag +        >::type storage_t; + +private: // helpers, for representation (below) + +    // which_ on: +    // * [0,  size<internal_types>) indicates stack content +    // * [-size<internal_types>, 0) indicates pointer to heap backup +    // if which_ >= 0: +    // * then which() -> which_ +    // * else which() -> -(which_ + 1) + +#if !defined(BOOST_VARIANT_MINIMIZE_SIZE) + +    typedef int which_t; + +#else // defined(BOOST_VARIANT_MINIMIZE_SIZE) + +    // [if O1_size available, then attempt which_t size optimization...] +    // [select signed char if fewer than SCHAR_MAX types, else signed int:] +    typedef typename mpl::eval_if< +          mpl::equal_to< mpl::O1_size<internal_types>, mpl::long_<-1> > +        , mpl::identity< int > +        , mpl::if_< +              mpl::less< mpl::O1_size<internal_types>, mpl::int_<SCHAR_MAX> > +            , signed char +            , int +            > +        >::type which_t; + +#endif // BOOST_VARIANT_MINIMIZE_SIZE switch + +// representation -- private when possible +#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) +    private: +#else +    public: +#endif + +    which_t which_; +    storage_t storage_; + +    void indicate_which(int which) +    { +        which_ = static_cast<which_t>( which ); +    } + +    void indicate_backup_which(int which) +    { +        which_ = static_cast<which_t>( -(which + 1) ); +    } + +private: // helpers, for queries (below) + +    bool using_backup() const +    { +        return which_ < 0; +    } + +public: // queries + +    int which() const +    { +        // If using heap backup... +        if (using_backup()) +            // ...then return adjusted which_: +            return -(which_ + 1); + +        // Otherwise, return which_ directly: +        return which_; +    } + +private: // helpers, for structors (below) + +    struct initializer +        : BOOST_VARIANT_AUX_INITIALIZER_T( +              recursive_enabled_types, recursive_enabled_T +            ) +    { +    }; + +    void destroy_content() +    { +        detail::variant::destroyer visitor; +        this->internal_apply_visitor(visitor); +    } + +public: // structors + +    ~variant() +    { +        destroy_content(); +    } + +    variant() +    { +        // NOTE TO USER : +        // Compile error from here indicates that the first bound +        // type is not default-constructible, and so variant cannot +        // support its own default-construction. +        // +        new( storage_.address() ) internal_T0(); +        indicate_which(0); // zero is the index of the first bounded type +    } + +private: // helpers, for structors, cont. (below) + +    class convert_copy_into +        : public static_visitor<int> +    { +    private: // representation + +        void* storage_; + +    public: // structors + +        explicit convert_copy_into(void* storage) +            : storage_(storage) +        { +        } + +    public: // internal visitor interfaces (below) + +        template <typename T> +        int internal_visit(T& operand, int) const +        { +            // NOTE TO USER : +            // Compile error here indicates one of the source variant's types  +            // cannot be unambiguously converted to the destination variant's +            // types (or that no conversion exists). +            // +            return initializer::initialize(storage_, operand); +        } + +#   if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x0564)) +        template <typename T> +        result_type internal_visit(const T& operand, int) const +        { +            return initializer::initialize(storage_, operand); +        } +#   endif + +        template <typename T> +        int internal_visit(boost::detail::reference_content<T>& operand, long) const +        { +            return internal_visit( operand.get(), 1L ); +        } + +        template <typename T> +        int internal_visit(const boost::detail::reference_content<T>& operand, long) const +        { +            return internal_visit( operand.get(), 1L ); +        } + +        template <typename T> +        int internal_visit(boost::detail::variant::backup_holder<T>& operand, long) const +        { +            return internal_visit( operand.get(), 1L ); +        } + +        template <typename T> +        int internal_visit(const boost::detail::variant::backup_holder<T>& operand, long) const +        { +            return internal_visit( operand.get(), 1L ); +        } + +        template <typename T> +        int internal_visit(boost::recursive_wrapper<T>& operand, long) const +        { +            return internal_visit( operand.get(), 1L ); +        } + +        template <typename T> +        int internal_visit(const boost::recursive_wrapper<T>& operand, long) const +        { +            return internal_visit( operand.get(), 1L ); +        } + +    }; + +    friend class convert_copy_into; + +private: // helpers, for structors, below  + +    template <typename T> +    void convert_construct( +          T& operand +        , int +        , mpl::false_ = mpl::false_() // is_foreign_variant +        ) +    { +        // NOTE TO USER : +        // Compile error here indicates that the given type is not  +        // unambiguously convertible to one of the variant's types +        // (or that no conversion exists). +        // +        indicate_which( +              initializer::initialize( +                  storage_.address() +                , operand +                ) +            ); +    } + +    template <typename Variant> +    void convert_construct( +          Variant& operand +        , long +        , mpl::true_// is_foreign_variant +        ) +    { +        convert_copy_into visitor(storage_.address()); +        indicate_which( +              operand.internal_apply_visitor(visitor) +            ); +    } + +    template <typename Variant> +    void convert_construct_variant(Variant& operand) +    { +        // [Determine if the given variant is itself a bounded type, or if its +        //  content needs to be converted (i.e., it is a 'foreign' variant):] +        // + +        typedef typename mpl::find_if< +              types +            , is_same< +                  add_const<mpl::_1> +                , const Variant +                > +            >::type found_it; + +        typedef typename mpl::end<types>::type not_found; +        typedef typename is_same< +              found_it, not_found +            >::type is_foreign_variant; + +        // Convert construct from operand: +        convert_construct( +              operand, 1L +            , is_foreign_variant() +            ); +    } + +    template <BOOST_VARIANT_ENUM_PARAMS(typename U)> +    void convert_construct( +          boost::variant<BOOST_VARIANT_ENUM_PARAMS(U)>& operand +        , long +        ) +    { +        convert_construct_variant(operand); +    } + +    template <BOOST_VARIANT_ENUM_PARAMS(typename U)> +    void convert_construct( +          const boost::variant<BOOST_VARIANT_ENUM_PARAMS(U)>& operand +        , long +        ) +    { +        convert_construct_variant(operand);     +    } + +public: // structors, cont. + +#if !defined(BOOST_VARIANT_AUX_BROKEN_CONSTRUCTOR_TEMPLATE_ORDERING) + +    template <typename T> +    variant(const T& operand) +    { +        convert_construct(operand, 1L); +    } + +    template <typename T> +    variant(T& operand) +    { +        convert_construct(operand, 1L); +    } + +#elif defined(BOOST_VARIANT_AUX_HAS_CONSTRUCTOR_TEMPLATE_ORDERING_SFINAE_WKND) + +    // For compilers that cannot distinguish between T& and const T& in +    // template constructors, but do fully support SFINAE, we can workaround: + +    template <typename T> +    variant(const T& operand) +    { +        convert_construct(operand, 1L); +    } + +    template <typename T> +    variant( +          T& operand +        , typename enable_if< +              mpl::not_< is_const<T> > +            , void +            >::type* = 0 +        ) +    { +        convert_construct(operand, 1L); +    } + +#else // !defined(BOOST_VARIANT_AUX_HAS_CONSTRUCTOR_TEMPLATE_ORDERING_SFINAE_WKND) + +    // For compilers that cannot distinguish between T& and const T& in +    // template constructors, and do NOT support SFINAE, we can't workaround: + +    template <typename T> +    variant(const T& operand) +    { +        convert_construct(operand, 1L); +    } + +#endif // BOOST_VARIANT_AUX_BROKEN_CONSTRUCTOR_TEMPLATE_ORDERING workarounds + +public: // structors, cont. + +    // [MSVC6 requires copy constructor appear after template constructors] +    variant(const variant& operand) +    { +        // Copy the value of operand into *this... +        detail::variant::copy_into visitor( storage_.address() ); +        operand.internal_apply_visitor(visitor); + +        // ...and activate the *this's primary storage on success: +        indicate_which(operand.which()); +    } + +private: // helpers, for modifiers (below) + +#   if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) +    template <typename Variant, typename RhsT> +    friend class detail::variant::backup_assigner; +#   endif + +    // class assigner +    // +    // Internal visitor that "assigns" the visited value to the given variant +    // by appropriate destruction and copy-construction. +    // + +    class assigner +        : public static_visitor<> +    { +    private: // representation + +        variant& lhs_; +        int rhs_which_; + +    public: // structors + +        assigner(variant& lhs, int rhs_which) +            : lhs_(lhs) +            , rhs_which_(rhs_which) +        { +        } + +    private: // helpers, for internal visitor interface (below) + +        template <typename RhsT, typename B1, typename B2> +        void assign_impl( +              const RhsT& rhs_content +            , mpl::true_// has_nothrow_copy +            , B1// has_nothrow_move_constructor +            , B2// has_fallback_type +            ) +        { +            // Destroy lhs's content... +            lhs_.destroy_content(); // nothrow + +            // ...copy rhs content into lhs's storage... +            new(lhs_.storage_.address()) +                RhsT( rhs_content ); // nothrow + +            // ...and indicate new content type: +            lhs_.indicate_which(rhs_which_); // nothrow +        } + +        template <typename RhsT, typename B> +        void assign_impl( +              const RhsT& rhs_content +            , mpl::false_// has_nothrow_copy +            , mpl::true_// has_nothrow_move_constructor +            , B// has_fallback_type +            ) +        { +            // Attempt to make a temporary copy (so as to move it below)... +            RhsT temp(rhs_content); + +            // ...and upon success destroy lhs's content... +            lhs_.destroy_content(); // nothrow + +            // ...move the temporary copy into lhs's storage... +            new(lhs_.storage_.address()) +                RhsT( detail::variant::move(temp) ); // nothrow + +            // ...and indicate new content type: +            lhs_.indicate_which(rhs_which_); // nothrow +        } + +        template <typename RhsT> +        void assign_impl( +              const RhsT& rhs_content +            , mpl::false_// has_nothrow_copy +            , mpl::false_// has_nothrow_move_constructor +            , mpl::true_// has_fallback_type +            ) +        { +            // Destroy lhs's content... +            lhs_.destroy_content(); // nothrow + +            try +            { +                // ...and attempt to copy rhs's content into lhs's storage: +                new(lhs_.storage_.address()) +                    RhsT( rhs_content ); +            } +            catch (...) +            { +                // In case of failure, default-construct fallback type in lhs's storage... +                new (lhs_.storage_.address()) +                    fallback_type_; // nothrow + +                // ...indicate construction of fallback type... +                lhs_.indicate_which( +                      BOOST_MPL_AUX_VALUE_WKND(fallback_type_index_)::value +                    ); // nothrow + +                // ...and rethrow: +                throw; +            } + +            // In the event of success, indicate new content type: +            lhs_.indicate_which(rhs_which_); // nothrow +        } + +        template <typename RhsT> +        void assign_impl( +              const RhsT& rhs_content +            , mpl::false_// has_nothrow_copy +            , mpl::false_// has_nothrow_move_constructor +            , mpl::false_// has_fallback_type +            ) +        { +            detail::variant::backup_assigner<wknd_self_t, RhsT> +                visitor(lhs_, rhs_which_, rhs_content); +            lhs_.internal_apply_visitor(visitor); +        } + +    public: // internal visitor interfaces + +        template <typename RhsT> +            BOOST_VARIANT_AUX_RETURN_VOID_TYPE +        internal_visit(const RhsT& rhs_content, int) +        { +            typedef typename has_nothrow_copy<RhsT>::type +                nothrow_copy; +            typedef typename mpl::or_< // reduces compile-time +                  nothrow_copy +                , detail::variant::has_nothrow_move_constructor<RhsT> +                >::type nothrow_move_constructor; + +            assign_impl( +                  rhs_content +                , nothrow_copy() +                , nothrow_move_constructor() +                , has_fallback_type_() +                ); + +            BOOST_VARIANT_AUX_RETURN_VOID; +        } + +#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600)) +    private: +        // silence MSVC warning C4512: assignment operator could not be generated +        assigner& operator= (assigner const&); +#endif +    }; + +    friend class assigner; + +    void variant_assign(const variant& rhs) +    { +        // If the contained types are EXACTLY the same... +        if (which_ == rhs.which_) +        { +            // ...then assign rhs's storage to lhs's content: +            detail::variant::assign_storage visitor(rhs.storage_.address()); +            this->internal_apply_visitor(visitor); +        } +        else +        { +            // Otherwise, perform general (copy-based) variant assignment: +            assigner visitor(*this, rhs.which()); +            rhs.internal_apply_visitor(visitor);  +        } +    } + +private: // helpers, for modifiers (below) + +    template <typename T> +    void assign(const T& rhs) +    { +        // If direct T-to-T assignment is not possible... +        detail::variant::direct_assigner<T> direct_assign(rhs); +        if (this->apply_visitor(direct_assign) == false) +        { +            // ...then convert rhs to variant and assign: +            // +            // While potentially inefficient, the following construction of a +            // variant allows T as any type convertible to one of the bounded +            // types without excessive code redundancy. +            // +            variant temp(rhs); +            variant_assign( detail::variant::move(temp) ); +        } +    } + +public: // modifiers + +    template <typename T> +    variant& operator=(const T& rhs) +    { +        assign(rhs); +        return *this; +    } + +    // [MSVC6 requires copy assign appear after templated operator=] +    variant& operator=(const variant& rhs) +    { +        variant_assign(rhs); +        return *this; +    } + +    void swap(variant& rhs) +    { +        // If the contained types are the same... +        if (which() == rhs.which()) +        { +            // ...then swap the values directly: +            detail::variant::swap_with<variant> visitor(rhs); +            this->apply_visitor(visitor); +        } +        else +        { +            // ...otherwise, perform general variant swap: +            variant tmp( detail::variant::move(rhs) ); +            rhs = detail::variant::move(*this); +            *this = detail::variant::move(tmp); +        } +    } + +public: // queries + +    // +    // NOTE: member which() defined above. +    // + +    bool empty() const +    { +        return false; +    } + +#if !defined(BOOST_NO_TYPEID) +    const std::type_info& type() const +    { +        detail::variant::reflect visitor; +        return this->apply_visitor(visitor); +    } +#endif + +public: // prevent comparison with foreign types + +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +#   define BOOST_VARIANT_AUX_FAIL_COMPARISON_RETURN_TYPE \ +    void + +#else // MSVC7 + +    // +    // MSVC7 gives error about return types for above being different than +    // the true comparison operator overloads: +    // + +#   define BOOST_VARIANT_AUX_FAIL_COMPARISON_RETURN_TYPE \ +    bool + +#endif // MSVC7 workaround + +    template <typename U> +        BOOST_VARIANT_AUX_FAIL_COMPARISON_RETURN_TYPE +    operator==(const U&) const +    { +        BOOST_STATIC_ASSERT( false && sizeof(U) ); +    } + +    template <typename U> +        BOOST_VARIANT_AUX_FAIL_COMPARISON_RETURN_TYPE +    operator<(const U&) const +    { +        BOOST_STATIC_ASSERT( false && sizeof(U) ); +    } + +public: // comparison operators + +    // [MSVC6 requires these operators appear after template operators] + +    bool operator==(const variant& rhs) const +    { +        if (this->which() != rhs.which()) +            return false; + +        detail::variant::comparer< +              variant, detail::variant::equal_comp +            > visitor(*this); +        return rhs.apply_visitor(visitor); +    } + +    bool operator<(const variant& rhs) const +    { +        // +        // Dirk Schreib suggested this collating order. +        // + +        if (this->which() != rhs.which()) +            return this->which() < rhs.which(); + +        detail::variant::comparer< +              variant, detail::variant::less_comp +            > visitor(*this); +        return rhs.apply_visitor(visitor); +    } + +// helpers, for visitation support (below) -- private when possible +#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) + +    template < BOOST_VARIANT_ENUM_PARAMS(typename U) > +    friend class variant; + +private: + +#else// defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) + +public: + +#endif// !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) + +    template <typename Visitor, typename VoidPtrCV> +    static +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE( +              typename Visitor::result_type +            ) +    internal_apply_visitor_impl( +          int internal_which +        , int logical_which +        , Visitor& visitor +        , VoidPtrCV storage +        ) +    { +        typedef mpl::int_<0> first_which; +        typedef typename mpl::begin<internal_types>::type first_it; +        typedef typename mpl::end<internal_types>::type last_it; + +        typedef detail::variant::visitation_impl_step< +              first_it, last_it +            > first_step; + +        return detail::variant::visitation_impl( +              internal_which, logical_which +            , visitor, storage, mpl::false_() +            , never_uses_backup_flag() +            , static_cast<first_which*>(0), static_cast<first_step*>(0) +            ); +    } + +    template <typename Visitor> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE( +              typename Visitor::result_type +            ) +    internal_apply_visitor(Visitor& visitor) +    { +        return internal_apply_visitor_impl( +              which_, which(), visitor, storage_.address() +            ); +    } + +    template <typename Visitor> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE( +              typename Visitor::result_type +            ) +    internal_apply_visitor(Visitor& visitor) const +    { +        return internal_apply_visitor_impl( +              which_, which(), visitor, storage_.address() +            ); +    } + +public: // visitation support + +    template <typename Visitor> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE( +              typename Visitor::result_type +            ) +    apply_visitor(Visitor& visitor) +    { +        detail::variant::invoke_visitor<Visitor> invoker(visitor); +        return this->internal_apply_visitor(invoker); +    } + +    template <typename Visitor> +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE( +              typename Visitor::result_type +            ) +    apply_visitor(Visitor& visitor) const +    { +        detail::variant::invoke_visitor<Visitor> invoker(visitor); +        return this->internal_apply_visitor(invoker); +    } + +}; // class variant + +/////////////////////////////////////////////////////////////////////////////// +// metafunction make_variant_over +// +// See docs and boost/variant/variant_fwd.hpp for more information. +// +template <typename Types> +struct make_variant_over +{ +private: // precondition assertions + +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) +    BOOST_STATIC_ASSERT(( ::boost::mpl::is_sequence<Types>::value )); +#endif + +public: // metafunction result + +    typedef variant< +          detail::variant::over_sequence< Types > +        > type; + +}; + +/////////////////////////////////////////////////////////////////////////////// +// function template swap +// +// Swaps two variants of the same type (i.e., identical specification). +// +template < BOOST_VARIANT_ENUM_PARAMS(typename T) > +inline void swap( +      variant< BOOST_VARIANT_ENUM_PARAMS(T) >& lhs +    , variant< BOOST_VARIANT_ENUM_PARAMS(T) >& rhs +    ) +{ +    lhs.swap(rhs); +} + +} // namespace boost + +// implementation additions + +#if !defined(BOOST_NO_IOSTREAM) +#include "boost/variant/detail/variant_io.hpp" +#endif // BOOST_NO_IOSTREAM + +#endif // BOOST_VARIANT_VARIANT_HPP diff --git a/3rdParty/Boost/src/boost/variant/variant_fwd.hpp b/3rdParty/Boost/src/boost/variant/variant_fwd.hpp new file mode 100644 index 0000000..7482ad4 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/variant_fwd.hpp @@ -0,0 +1,253 @@ +//----------------------------------------------------------------------------- +// boost variant/variant_fwd.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman, Itay Maman +// +// 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 BOOST_VARIANT_VARIANT_FWD_HPP +#define BOOST_VARIANT_VARIANT_FWD_HPP + +#include "boost/variant/detail/config.hpp" + +#include "boost/blank_fwd.hpp" +#include "boost/mpl/arg.hpp" +#include "boost/mpl/limits/arity.hpp" +#include "boost/mpl/aux_/na.hpp" +#include "boost/preprocessor/cat.hpp" +#include "boost/preprocessor/enum.hpp" +#include "boost/preprocessor/enum_params.hpp" +#include "boost/preprocessor/enum_shifted_params.hpp" +#include "boost/preprocessor/repeat.hpp" + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_LIMIT_TYPES +// +// Implementation-defined preprocessor symbol describing the actual +// length of variant's pseudo-variadic template parameter list. +// +#include "boost/mpl/limits/list.hpp" +#define BOOST_VARIANT_LIMIT_TYPES \ +    BOOST_MPL_LIMIT_LIST_SIZE + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_NO_REFERENCE_SUPPORT +// +// Defined if variant does not support references as bounded types.  +// +#if defined(BOOST_VARIANT_AUX_BROKEN_CONSTRUCTOR_TEMPLATE_ORDERING) \ + && !defined(BOOST_VARIANT_AUX_HAS_CONSTRUCTOR_TEMPLATE_ORDERING_SFINAE_WKND) \ + && !defined(BOOST_VARIANT_NO_REFERENCE_SUPPORT) +#   define BOOST_VARIANT_NO_REFERENCE_SUPPORT +#endif + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT +// +// Defined if variant does not support make_variant_over (see below).  +// +#if defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) +#   define BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT +#endif + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT +// +// Defined if make_recursive_variant cannot be supported as documented. +// +// Note: Currently, MPL lambda facility is used as workaround if defined, and +// so only types declared w/ MPL lambda workarounds will work. +// + +#include "boost/variant/detail/substitute_fwd.hpp" + +#if defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) \ + && !defined(BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT) +#   define BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT +#endif + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_RECURSIVE_VARIANT_MAX_ARITY +// +// Exposes maximum allowed arity of class templates with recursive_variant +// arguments. That is, +//   make_recursive_variant< ..., T<[1], recursive_variant_, ... [N]> >. +// +#include "boost/mpl/limits/arity.hpp" +#define BOOST_VARIANT_RECURSIVE_VARIANT_MAX_ARITY \ +    BOOST_MPL_LIMIT_METAFUNCTION_ARITY + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_ENUM_PARAMS +// +// Convenience macro for enumeration of BOOST_VARIANT_LIMIT_TYPES params. +// +// Rationale: Cleaner, simpler code for clients of variant library. +// +#define BOOST_VARIANT_ENUM_PARAMS( param )  \ +    BOOST_PP_ENUM_PARAMS(BOOST_VARIANT_LIMIT_TYPES, param) + +/////////////////////////////////////////////////////////////////////////////// +// macro BOOST_VARIANT_ENUM_SHIFTED_PARAMS +// +// Convenience macro for enumeration of BOOST_VARIANT_LIMIT_TYPES-1 params. +// +#define BOOST_VARIANT_ENUM_SHIFTED_PARAMS( param )  \ +    BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_VARIANT_LIMIT_TYPES, param) + + +namespace boost { + +namespace detail { namespace variant { + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class void_ and class template convert_void +//  +// Provides the mechanism by which void(NN) types are converted to +// mpl::void_ (and thus can be passed to mpl::list). +// +// Rationale: This is particularly needed for the using-declarations +// workaround (below), but also to avoid associating mpl namespace with +// variant in argument dependent lookups (which used to happen because of +// defaulting of template parameters to mpl::void_). +// + +struct void_; + +template <typename T> +struct convert_void +{ +    typedef T type; +}; + +template <> +struct convert_void< void_ > +{ +    typedef mpl::na type; +}; + +/////////////////////////////////////////////////////////////////////////////// +// (workaround) BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE +// +// Needed to work around compilers that don't support using-declaration +// overloads. (See the variant::initializer workarounds below.) +// + +#if defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) + +// (detail) tags voidNN -- NN defined on [0, BOOST_VARIANT_LIMIT_TYPES) +// +// Defines void types that are each unique and specializations of +// convert_void that yields mpl::na for each voidNN type. +// + +#define BOOST_VARIANT_DETAIL_DEFINE_VOID_N(z,N,_)          \ +    struct BOOST_PP_CAT(void,N);                           \ +                                                           \ +    template <>                                            \ +    struct convert_void< BOOST_PP_CAT(void,N) >            \ +    {                                                      \ +        typedef mpl::na type;                              \ +    };                                                     \ +    /**/ + +BOOST_PP_REPEAT( +      BOOST_VARIANT_LIMIT_TYPES +    , BOOST_VARIANT_DETAIL_DEFINE_VOID_N +    , _ +    ) + +#undef BOOST_VARIANT_DETAIL_DEFINE_VOID_N + +#endif // BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE workaround + +}} // namespace detail::variant + +/////////////////////////////////////////////////////////////////////////////// +// (detail) macro BOOST_VARIANT_AUX_DECLARE_PARAM +// +// Template parameter list for variant and recursive_variant declarations. +// + +#if !defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) + +#   define BOOST_VARIANT_AUX_DECLARE_PARAMS_IMPL(z, N, T) \ +    typename BOOST_PP_CAT(T,N) = detail::variant::void_ \ +    /**/ + +#else // defined(BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE) + +#   define BOOST_VARIANT_AUX_DECLARE_PARAMS_IMPL(z, N, T) \ +    typename BOOST_PP_CAT(T,N) = BOOST_PP_CAT(detail::variant::void,N) \ +    /**/ + +#endif // BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE workaround + +#define BOOST_VARIANT_AUX_DECLARE_PARAMS \ +    BOOST_PP_ENUM( \ +          BOOST_VARIANT_LIMIT_TYPES \ +        , BOOST_VARIANT_AUX_DECLARE_PARAMS_IMPL \ +        , T \ +        ) \ +    /**/ + +/////////////////////////////////////////////////////////////////////////////// +// class template variant (concept inspired by Andrei Alexandrescu) +// +// Efficient, type-safe bounded discriminated union. +// +// Preconditions: +//  - Each type must be unique. +//  - No type may be const-qualified. +// +// Proper declaration form: +//   variant<types>    (where types is a type-sequence) +// or +//   variant<T0,T1,...,Tn>  (where T0 is NOT a type-sequence) +// +template < BOOST_VARIANT_AUX_DECLARE_PARAMS > class variant; + +/////////////////////////////////////////////////////////////////////////////// +// metafunction make_recursive_variant +// +// Exposes a boost::variant with recursive_variant_ tags (below) substituted +// with the variant itself (wrapped as needed with boost::recursive_wrapper). +// +template < BOOST_VARIANT_AUX_DECLARE_PARAMS > struct make_recursive_variant; + +#undef BOOST_VARIANT_AUX_DECLARE_PARAMS_IMPL +#undef BOOST_VARIANT_AUX_DECLARE_PARAMS + +/////////////////////////////////////////////////////////////////////////////// +// type recursive_variant_ +// +// Tag type indicates where recursive variant substitution should occur. +// +#if !defined(BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT) +    struct recursive_variant_; +#else +    typedef mpl::arg<1> recursive_variant_; +#endif + +/////////////////////////////////////////////////////////////////////////////// +// metafunction make_variant_over +// +// Result is a variant w/ types of the specified type sequence. +// +template <typename Types> struct make_variant_over; + +/////////////////////////////////////////////////////////////////////////////// +// metafunction make_recursive_variant_over +// +// Result is a recursive variant w/ types of the specified type sequence. +// +template <typename Types> struct make_recursive_variant_over; + +} // namespace boost + +#endif // BOOST_VARIANT_VARIANT_FWD_HPP diff --git a/3rdParty/Boost/src/boost/variant/visitor_ptr.hpp b/3rdParty/Boost/src/boost/variant/visitor_ptr.hpp new file mode 100644 index 0000000..b49a972 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/visitor_ptr.hpp @@ -0,0 +1,116 @@ +//----------------------------------------------------------------------------- +// boost variant/visitor_ptr.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// Eric Friedman +// +// 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 BOOST_VARIANT_VISITOR_PTR_HPP +#define BOOST_VARIANT_VISITOR_PTR_HPP + +#include "boost/variant/bad_visit.hpp" +#include "boost/variant/static_visitor.hpp" + +#include "boost/mpl/eval_if.hpp" +#include "boost/mpl/identity.hpp" +#include "boost/type_traits/add_reference.hpp" +#include "boost/type_traits/is_reference.hpp" +#include "boost/type_traits/is_void.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// function template visitor_ptr +// +// Adapts a function pointer for use as visitor capable of handling +// values of a single type. Throws bad_visit if inappropriately applied. +// +template <typename T, typename R> +class visitor_ptr_t +    : public static_visitor<R> +{ +private: // representation + +    typedef R (*visitor_t)(T); + +    visitor_t visitor_; + +public: // typedefs + +    typedef R result_type; + +private: // private typedefs + +    typedef typename mpl::eval_if< +          is_reference<T> +        , mpl::identity<T> +        , add_reference<const T> +        >::type argument_fwd_type; + +public: // structors + +    explicit visitor_ptr_t(visitor_t visitor) +      : visitor_(visitor) +    { +    } + +public: // static visitor interfaces + +    template <typename U> +    result_type operator()(const U&) const +    { +        throw bad_visit(); +    } + +#if !defined(BOOST_NO_VOID_RETURNS) + +public: // static visitor interfaces, cont. + +    result_type operator()(argument_fwd_type operand) const +    { +        return visitor_(operand); +    } + +#else // defined(BOOST_NO_VOID_RETURNS) + +private: // helpers, for static visitor interfaces (below) + +    result_type execute_impl(argument_fwd_type operand, mpl::false_) const +    { +        return visitor_(operand); +    } + +        BOOST_VARIANT_AUX_RETURN_VOID_TYPE +    execute_impl(argument_fwd_type operand, mpl::true_) const +    { +        visitor_(operand); +        BOOST_VARIANT_AUX_RETURN_VOID; +    } + +public: // static visitor interfaces, cont. + +        BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) +    operator()(argument_fwd_type operand) const +    { +        typedef typename is_void<result_type>::type has_void_result; +        return execute_impl(operand, has_void_result()); +    } + +#endif // BOOST_NO_VOID_RETURNS workaround + +}; + +template <typename R, typename T> +inline visitor_ptr_t<T,R> visitor_ptr(R (*visitor)(T)) +{ +    return visitor_ptr_t<T,R>(visitor); +} + +} // namespace boost + +#endif// BOOST_VISITOR_VISITOR_PTR_HPP | 
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