diff options
Diffstat (limited to '3rdParty/Boost/src/boost/optional')
| -rw-r--r-- | 3rdParty/Boost/src/boost/optional/bad_optional_access.hpp | 29 | ||||
| -rw-r--r-- | 3rdParty/Boost/src/boost/optional/optional.hpp | 679 | ||||
| -rw-r--r-- | 3rdParty/Boost/src/boost/optional/optional_fwd.hpp | 5 | 
3 files changed, 632 insertions, 81 deletions
| diff --git a/3rdParty/Boost/src/boost/optional/bad_optional_access.hpp b/3rdParty/Boost/src/boost/optional/bad_optional_access.hpp new file mode 100644 index 0000000..bf5cae0 --- /dev/null +++ b/3rdParty/Boost/src/boost/optional/bad_optional_access.hpp @@ -0,0 +1,29 @@ +// Copyright (C) 2014, Andrzej Krzemienski. +// +// Use, modification, and distribution is subject to the Boost Software +// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// See http://www.boost.org/libs/optional for documentation. +// +// You are welcome to contact the author at: +//  akrzemi1@gmail.com +// +#ifndef BOOST_BAD_OPTIONAL_ACCESS_22MAY2014_HPP +#define BOOST_BAD_OPTIONAL_ACCESS_22MAY2014_HPP + +#include <stdexcept> + +namespace boost { + +class bad_optional_access : public std::logic_error +{ +public: +  bad_optional_access() +    : std::logic_error("Attempted to access the value of an uninitialized optional object.") +    {} +}; + +} // namespace boost + +#endif diff --git a/3rdParty/Boost/src/boost/optional/optional.hpp b/3rdParty/Boost/src/boost/optional/optional.hpp index 0d6dba4..07c4bd3 100644 --- a/3rdParty/Boost/src/boost/optional/optional.hpp +++ b/3rdParty/Boost/src/boost/optional/optional.hpp @@ -1,3 +1,4 @@  // Copyright (C) 2003, 2008 Fernando Luis Cacciola Carballal. +// Copyright (C) 2014 Andrzej Krzemienski.  //  // Use, modification, and distribution is subject to the Boost Software @@ -12,4 +13,5 @@  // Revisions:  // 27 Apr 2008 (improved swap) Fernando Cacciola, Niels Dekker, Thorsten Ottosen +// 05 May 2014 (Added move semantics) Andrzej Krzemienski  //  #ifndef BOOST_OPTIONAL_OPTIONAL_FLC_19NOV2002_HPP @@ -18,50 +20,46 @@  #include <new>  #include <algorithm> +#include <iosfwd>  #include <boost/config.hpp>  #include <boost/assert.hpp> +#include <boost/core/explicit_operator_bool.hpp> +#include <boost/optional/bad_optional_access.hpp> +#include <boost/static_assert.hpp> +#include <boost/throw_exception.hpp>  #include <boost/type.hpp>  #include <boost/type_traits/alignment_of.hpp>  #include <boost/type_traits/has_nothrow_constructor.hpp>  #include <boost/type_traits/type_with_alignment.hpp> +#include <boost/type_traits/remove_const.hpp>  #include <boost/type_traits/remove_reference.hpp> +#include <boost/type_traits/decay.hpp> +#include <boost/type_traits/is_base_of.hpp> +#include <boost/type_traits/is_lvalue_reference.hpp> +#include <boost/type_traits/is_nothrow_move_assignable.hpp> +#include <boost/type_traits/is_nothrow_move_constructible.hpp>  #include <boost/type_traits/is_reference.hpp> +#include <boost/type_traits/is_rvalue_reference.hpp> +#include <boost/type_traits/is_same.hpp>  #include <boost/mpl/if.hpp>  #include <boost/mpl/bool.hpp>  #include <boost/mpl/not.hpp>  #include <boost/detail/reference_content.hpp> +#include <boost/move/utility.hpp>  #include <boost/none.hpp> -#include <boost/utility/swap.hpp>  #include <boost/utility/addressof.hpp>  #include <boost/utility/compare_pointees.hpp> +#include <boost/utility/enable_if.hpp>  #include <boost/utility/in_place_factory.hpp> +#include <boost/utility/swap.hpp> -#include <boost/optional/optional_fwd.hpp> -#if BOOST_WORKAROUND(BOOST_MSVC, == 1200) -// VC6.0 has the following bug: -//   When a templated assignment operator exist, an implicit conversion -//   constructing an optional<T> is used when assigment of the form: -//     optional<T> opt ; opt = T(...); -//   is compiled. -//   However, optional's ctor is _explicit_ and the assignemt shouldn't compile. -//   Therefore, for VC6.0 templated assignment is disabled. -// -#define BOOST_OPTIONAL_NO_CONVERTING_ASSIGNMENT -#endif -#if BOOST_WORKAROUND(BOOST_MSVC, == 1300) -// VC7.0 has the following bug: -//   When both a non-template and a template copy-ctor exist -//   and the templated version is made 'explicit', the explicit is also -//   given to the non-templated version, making the class non-implicitely-copyable. -// -#define BOOST_OPTIONAL_NO_CONVERTING_COPY_CTOR -#endif +#include <boost/optional/optional_fwd.hpp> -#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) || BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION,<=700) -// AFAICT only VC7.1 correctly resolves the overload set +#if BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION,<=700) +// AFAICT only Intel 7 correctly resolves the overload set  // that includes the in-place factory taking functions, -// so for the other VC versions, in-place factory support +// so for the other icc versions, in-place factory support  // is disabled  #define BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT @@ -84,6 +82,5 @@  #endif -#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) > 302 \ -    && !defined(__INTEL_COMPILER) +#if defined(__GNUC__) && !defined(__INTEL_COMPILER)  // GCC since 3.3 has may_alias attribute that helps to alleviate optimizer issues with  // regard to violation of the strict aliasing rules. The optional< T > storage type is marked @@ -116,5 +113,4 @@ template<class T> void swap ( optional<T>& x, optional<T>& y );  namespace optional_detail { -  // This local class is used instead of that in "aligned_storage.hpp"  // because I've found the 'official' class to ICE BCB5.5 @@ -128,5 +124,5 @@ class aligned_storage      // This works around GCC warnings about breaking strict aliasing rules when casting storage address to T*  #if defined(BOOST_OPTIONAL_DETAIL_USE_ATTRIBUTE_MAY_ALIAS) -    __attribute__((may_alias)) +    __attribute__((__may_alias__))  #endif      dummy_u @@ -153,8 +149,20 @@ struct types_when_isnt_ref    typedef T const& reference_const_type ;    typedef T &      reference_type ; +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +  typedef T &&     rval_reference_type ; +  typedef T &&     reference_type_of_temporary_wrapper; +#ifdef BOOST_MOVE_OLD_RVALUE_REF_BINDING_RULES +  // GCC 4.4 has support for an early draft of rvalue references. The conforming version below +  // causes warnings about returning references to a temporary. +  static T&& move(T&& r) { return r; } +#else +  static rval_reference_type move(reference_type r) { return boost::move(r); } +#endif +#endif    typedef T const* pointer_const_type ;    typedef T *      pointer_type ;    typedef T const& argument_type ;  } ; +  template<class T>  struct types_when_is_ref @@ -162,11 +170,26 @@ struct types_when_is_ref    typedef BOOST_DEDUCED_TYPENAME remove_reference<T>::type raw_type ; -  typedef raw_type& reference_const_type ; -  typedef raw_type& reference_type ; -  typedef raw_type* pointer_const_type ; -  typedef raw_type* pointer_type ; -  typedef raw_type& argument_type ; +  typedef raw_type&  reference_const_type ; +  typedef raw_type&  reference_type ; +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +  typedef BOOST_DEDUCED_TYPENAME remove_const<raw_type>::type&& rval_reference_type ; +  typedef raw_type&  reference_type_of_temporary_wrapper; +  static reference_type move(reference_type r) { return r; } +#endif +  typedef raw_type*  pointer_const_type ; +  typedef raw_type*  pointer_type ; +  typedef raw_type&  argument_type ;  } ; +template <class To, class From> +void prevent_binding_rvalue_ref_to_optional_lvalue_ref() +{ +#ifndef BOOST_OPTIONAL_ALLOW_BINDING_TO_RVALUES +  BOOST_STATIC_ASSERT_MSG( +    !boost::is_lvalue_reference<To>::value || !boost::is_rvalue_reference<From>::value,  +    "binding rvalue references to optional lvalue references is disallowed"); +#endif     +} +  struct optional_tag {} ; @@ -202,8 +225,10 @@ class optional_base : public optional_tag    protected: -    typedef bool (this_type::*unspecified_bool_type)() const; -      typedef BOOST_DEDUCED_TYPENAME types::reference_type       reference_type ;      typedef BOOST_DEDUCED_TYPENAME types::reference_const_type reference_const_type ; +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    typedef BOOST_DEDUCED_TYPENAME types::rval_reference_type  rval_reference_type ; +    typedef BOOST_DEDUCED_TYPENAME types::reference_type_of_temporary_wrapper reference_type_of_temporary_wrapper ; +#endif      typedef BOOST_DEDUCED_TYPENAME types::pointer_type         pointer_type ;      typedef BOOST_DEDUCED_TYPENAME types::pointer_const_type   pointer_const_type ; @@ -231,4 +256,15 @@ class optional_base : public optional_tag      } +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    // move-construct an optional<T> initialized from an rvalue-ref to 'val'. +    // Can throw if T::T(T&&) does +    optional_base ( rval_reference_type val ) +      : +      m_initialized(false) +    { +      construct( boost::move(val) ); +    } +#endif +      // Creates an optional<T> initialized with 'val' IFF cond is true, otherwise creates an uninitialzed optional<T>.      // Can throw if T::T(T const&) does @@ -251,5 +287,27 @@ class optional_base : public optional_tag      } +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    // Creates a deep move of another optional<T> +    // Can throw if T::T(T&&) does +    optional_base ( optional_base&& rhs ) +      : +      m_initialized(false) +    { +      if ( rhs.is_initialized() ) +        construct( boost::move(rhs.get_impl()) ); +    } +#endif + +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES + +    template<class Expr, class PtrExpr> +    explicit optional_base ( Expr&& expr, PtrExpr const* tag ) +      : +      m_initialized(false) +    { +      construct(boost::forward<Expr>(expr),tag); +    } +#else      // This is used for both converting and in-place constructions.      // Derived classes use the 'tag' to select the appropriate @@ -263,4 +321,5 @@ class optional_base : public optional_tag      } +#endif @@ -283,4 +342,22 @@ class optional_base : public optional_tag        }      } +     +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +    // Assigns from another optional<T> (deep-moves the rhs value) +    void assign ( optional_base&& rhs ) +    { +      if (is_initialized()) +      { +        if ( rhs.is_initialized() ) +             assign_value(boost::move(rhs.get_impl()), is_reference_predicate() ); +        else destroy(); +      } +      else +      { +        if ( rhs.is_initialized() ) +          construct(boost::move(rhs.get_impl())); +      } +    } +#endif       // Assigns from another _convertible_ optional<U> (deep-copies the rhs value) @@ -301,4 +378,24 @@ class optional_base : public optional_tag      } +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +    // move-assigns from another _convertible_ optional<U> (deep-moves from the rhs value) +    template<class U> +    void assign ( optional<U>&& rhs ) +    { +      typedef BOOST_DEDUCED_TYPENAME optional<U>::rval_reference_type ref_type; +      if (is_initialized()) +      { +        if ( rhs.is_initialized() ) +             assign_value(static_cast<ref_type>(rhs.get()), is_reference_predicate() ); +        else destroy(); +      } +      else +      { +        if ( rhs.is_initialized() ) +          construct(static_cast<ref_type>(rhs.get())); +      } +    } +#endif +          // Assigns from a T (deep-copies the rhs value)      void assign ( argument_type val ) @@ -308,26 +405,48 @@ class optional_base : public optional_tag        else construct(val);      } +     +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +    // Assigns from a T (deep-moves the rhs value) +    void assign ( rval_reference_type val ) +    { +      if (is_initialized()) +           assign_value( boost::move(val), is_reference_predicate() ); +      else construct( boost::move(val) ); +    } +#endif      // Assigns from "none", destroying the current value, if any, leaving this UNINITIALIZED      // No-throw (assuming T::~T() doesn't) -    void assign ( none_t ) { destroy(); } +    void assign ( none_t ) BOOST_NOEXCEPT { destroy(); }  #ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT + +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +    template<class Expr, class ExprPtr> +    void assign_expr ( Expr&& expr, ExprPtr const* tag ) +    { +      if (is_initialized()) +        assign_expr_to_initialized(boost::forward<Expr>(expr),tag); +      else construct(boost::forward<Expr>(expr),tag); +    } +#else      template<class Expr>      void assign_expr ( Expr const& expr, Expr const* tag ) -      { -        if (is_initialized()) -             assign_expr_to_initialized(expr,tag); -        else construct(expr,tag); -      } +    { +      if (is_initialized()) +        assign_expr_to_initialized(expr,tag); +      else construct(expr,tag); +    } +#endif +  #endif    public : -    // Destroys the current value, if any, leaving this UNINITIALIZED +    // **DEPPRECATED** Destroys the current value, if any, leaving this UNINITIALIZED      // No-throw (assuming T::~T() doesn't) -    void reset() { destroy(); } +    void reset() BOOST_NOEXCEPT { destroy(); } -    // Replaces the current value -if any- with 'val' +    // **DEPPRECATED** Replaces the current value -if any- with 'val'      void reset ( argument_type val ) { assign(val); } @@ -344,9 +463,90 @@ class optional_base : public optional_tag      void construct ( argument_type val )       { -       new (m_storage.address()) internal_type(val) ; +       ::new (m_storage.address()) internal_type(val) ; +       m_initialized = true ; +     } +      +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    void construct ( rval_reference_type val ) +     { +       ::new (m_storage.address()) internal_type( types::move(val) ) ; +       m_initialized = true ; +     } +#endif + + +#if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES) && (!defined BOOST_NO_CXX11_VARIADIC_TEMPLATES) +    // Constructs in-place +    // upon exception *this is always uninitialized +    template<class... Args> +    void emplace_assign ( Args&&... args ) +     { +       destroy(); +       ::new (m_storage.address()) internal_type( boost::forward<Args>(args)... ); +       m_initialized = true ; +     } +#elif (!defined BOOST_NO_CXX11_RVALUE_REFERENCES) +    template<class Arg> +    void emplace_assign ( Arg&& arg ) +     { +       destroy(); +       ::new (m_storage.address()) internal_type( boost::forward<Arg>(arg) ); +       m_initialized = true ; +     } +#else +    template<class Arg> +    void emplace_assign ( const Arg& arg ) +     { +       destroy(); +       ::new (m_storage.address()) internal_type( arg ); +       m_initialized = true ; +     } +      +     template<class Arg> +    void emplace_assign ( Arg& arg ) +     { +       destroy(); +       ::new (m_storage.address()) internal_type( arg );         m_initialized = true ;       } +#endif  #ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT + +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +    // Constructs in-place using the given factory +    template<class Expr> +    void construct ( Expr&& factory, in_place_factory_base const* ) +     { +       BOOST_STATIC_ASSERT ( ::boost::mpl::not_<is_reference_predicate>::value ) ; +       boost_optional_detail::construct<value_type>(factory, m_storage.address()); +       m_initialized = true ; +     } + +    // Constructs in-place using the given typed factory +    template<class Expr> +    void construct ( Expr&& factory, typed_in_place_factory_base const* ) +     { +       BOOST_STATIC_ASSERT ( ::boost::mpl::not_<is_reference_predicate>::value ) ; +       factory.apply(m_storage.address()) ; +       m_initialized = true ; +     } + +    template<class Expr> +    void assign_expr_to_initialized ( Expr&& factory, in_place_factory_base const* tag ) +     { +       destroy(); +       construct(factory,tag); +     } + +    // Constructs in-place using the given typed factory +    template<class Expr> +    void assign_expr_to_initialized ( Expr&& factory, typed_in_place_factory_base const* tag ) +     { +       destroy(); +       construct(factory,tag); +     } + +#else      // Constructs in-place using the given factory      template<class Expr> @@ -383,5 +583,29 @@ class optional_base : public optional_tag  #endif -    // Constructs using any expression implicitely convertible to the single argument +#endif + +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +    // Constructs using any expression implicitly convertible to the single argument +    // of a one-argument T constructor. +    // Converting constructions of optional<T> from optional<U> uses this function with +    // 'Expr' being of type 'U' and relying on a converting constructor of T from U. +    template<class Expr> +    void construct ( Expr&& expr, void const* ) +    { +      new (m_storage.address()) internal_type(boost::forward<Expr>(expr)) ; +      m_initialized = true ; +    } + +    // Assigns using a form any expression implicitly convertible to the single argument +    // of a T's assignment operator. +    // Converting assignments of optional<T> from optional<U> uses this function with +    // 'Expr' being of type 'U' and relying on a converting assignment of T from U. +    template<class Expr> +    void assign_expr_to_initialized ( Expr&& expr, void const* ) +    { +      assign_value(boost::forward<Expr>(expr), is_reference_predicate()); +    } +#else +    // Constructs using any expression implicitly convertible to the single argument      // of a one-argument T constructor.      // Converting constructions of optional<T> from optional<U> uses this function with @@ -394,5 +618,5 @@ class optional_base : public optional_tag       } -    // Assigns using a form any expression implicitely convertible to the single argument +    // Assigns using a form any expression implicitly convertible to the single argument      // of a T's assignment operator.      // Converting assignments of optional<T> from optional<U> uses this function with @@ -404,4 +628,6 @@ class optional_base : public optional_tag       } +#endif +  #ifdef BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION      // BCB5.64 (and probably lower versions) workaround. @@ -417,4 +643,18 @@ class optional_base : public optional_tag      // instead of choosing the wrong overload      // +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    // Notice that 'Expr' will be optional<T> or optional<U> (but not optional_base<..>) +    template<class Expr> +    void construct ( Expr&& expr, optional_tag const* ) +     { +       if ( expr.is_initialized() ) +       { +         // An exception can be thrown here. +         // It it happens, THIS will be left uninitialized. +         new (m_storage.address()) internal_type(types::move(expr.get())) ; +         m_initialized = true ; +       } +     } +#else      // Notice that 'Expr' will be optional<T> or optional<U> (but not optional_base<..>)      template<class Expr> @@ -430,7 +670,12 @@ class optional_base : public optional_tag       }  #endif +#endif // defined BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION      void assign_value ( argument_type val, is_not_reference_tag ) { get_impl() = val; }      void assign_value ( argument_type val, is_reference_tag     ) { construct(val); } +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    void assign_value ( rval_reference_type val, is_not_reference_tag ) { get_impl() = static_cast<rval_reference_type>(val); } +    void assign_value ( rval_reference_type val, is_reference_tag     ) { construct( static_cast<rval_reference_type>(val) ); } +#endif      void destroy() @@ -440,6 +685,4 @@ class optional_base : public optional_tag      } -    unspecified_bool_type safe_bool() const { return m_initialized ? &this_type::is_initialized : 0 ; } -      reference_const_type get_impl() const { return dereference(get_object(), is_reference_predicate() ) ; }      reference_type       get_impl()       { return dereference(get_object(), is_reference_predicate() ) ; } @@ -477,5 +720,5 @@ class optional_base : public optional_tag      void destroy_impl ( is_not_reference_tag ) { get_ptr_impl()->internal_type::~internal_type() ; m_initialized = false ; }  #else -    void destroy_impl ( is_not_reference_tag ) { get_ptr_impl()->T::~T() ; m_initialized = false ; } +    void destroy_impl ( is_not_reference_tag ) { get_ptr_impl()->~T() ; m_initialized = false ; }  #endif @@ -501,6 +744,4 @@ class optional : public optional_detail::optional_base<T>      typedef optional_detail::optional_base<T> base ; -    typedef BOOST_DEDUCED_TYPENAME base::unspecified_bool_type  unspecified_bool_type ; -    public : @@ -510,4 +751,8 @@ class optional : public optional_detail::optional_base<T>      typedef BOOST_DEDUCED_TYPENAME base::reference_type       reference_type ;      typedef BOOST_DEDUCED_TYPENAME base::reference_const_type reference_const_type ; +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    typedef BOOST_DEDUCED_TYPENAME base::rval_reference_type  rval_reference_type ; +    typedef BOOST_DEDUCED_TYPENAME base::reference_type_of_temporary_wrapper reference_type_of_temporary_wrapper ; +#endif      typedef BOOST_DEDUCED_TYPENAME base::pointer_type         pointer_type ;      typedef BOOST_DEDUCED_TYPENAME base::pointer_const_type   pointer_const_type ; @@ -516,9 +761,9 @@ class optional : public optional_detail::optional_base<T>      // Creates an optional<T> uninitialized.      // No-throw -    optional() : base() {} +    optional() BOOST_NOEXCEPT : base() {}      // Creates an optional<T> uninitialized.      // No-throw -    optional( none_t none_ ) : base(none_) {} +    optional( none_t none_ ) BOOST_NOEXCEPT : base(none_) {}      // Creates an optional<T> initialized with 'val'. @@ -526,9 +771,15 @@ class optional : public optional_detail::optional_base<T>      optional ( argument_type val ) : base(val) {} +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    // Creates an optional<T> initialized with 'move(val)'. +    // Can throw if T::T(T &&) does +    optional ( rval_reference_type val ) : base( boost::forward<T>(val) )  +      {optional_detail::prevent_binding_rvalue_ref_to_optional_lvalue_ref<T, rval_reference_type>();} +#endif +      // Creates an optional<T> initialized with 'val' IFF cond is true, otherwise creates an uninitialized optional.      // Can throw if T::T(T const&) does      optional ( bool cond, argument_type val ) : base(cond,val) {} -#ifndef BOOST_OPTIONAL_NO_CONVERTING_COPY_CTOR      // NOTE: MSVC needs templated versions first @@ -544,4 +795,17 @@ class optional : public optional_detail::optional_base<T>          this->construct(rhs.get());      } +     +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    // Creates a deep move of another convertible optional<U> +    // Requires a valid conversion from U to T. +    // Can throw if T::T(U&&) does +    template<class U> +    explicit optional ( optional<U> && rhs ) +      : +      base() +    { +      if ( rhs.is_initialized() ) +        this->construct( boost::move(rhs.get()) ); +    }  #endif @@ -550,13 +814,27 @@ class optional : public optional_detail::optional_base<T>      //  (a) An instance of InPlaceFactory (i.e. in_place(a,b,...,n);      //  (b) An instance of TypedInPlaceFactory ( i.e. in_place<T>(a,b,...,n); -    //  (c) Any expression implicitely convertible to the single type +    //  (c) Any expression implicitly convertible to the single type      //      of a one-argument T's constructor.      //  (d*) Weak compilers (BCB) might also resolved Expr as optional<T> and optional<U>      //       even though explicit overloads are present for these.      // Depending on the above some T ctor is called. -    // Can throw is the resolved T ctor throws. +    // Can throw if the resolved T ctor throws. +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES + + +  template<class Expr> +  explicit optional ( Expr&& expr,  +                      BOOST_DEDUCED_TYPENAME boost::disable_if_c< +                        (boost::is_base_of<optional_detail::optional_tag, BOOST_DEDUCED_TYPENAME boost::decay<Expr>::type>::value) ||  +                        boost::is_same<BOOST_DEDUCED_TYPENAME boost::decay<Expr>::type, none_t>::value >::type* = 0  +  )  +    : base(boost::forward<Expr>(expr),boost::addressof(expr))  +    {optional_detail::prevent_binding_rvalue_ref_to_optional_lvalue_ref<T, Expr&&>();} + +#else      template<class Expr>      explicit optional ( Expr const& expr ) : base(expr,boost::addressof(expr)) {} -#endif +#endif // !defined BOOST_NO_CXX11_RVALUE_REFERENCES +#endif // !defined BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT      // Creates a deep copy of another optional<T> @@ -564,4 +842,13 @@ class optional : public optional_detail::optional_base<T>      optional ( optional const& rhs ) : base( static_cast<base const&>(rhs) ) {} +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +	// Creates a deep move of another optional<T> +	// Can throw if T::T(T&&) does +	optional ( optional && rhs )  +	  BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value) +	  : base( boost::move(rhs) )  +	{} + +#endif     // No-throw (assuming T::~T() doesn't)      ~optional() {} @@ -570,4 +857,20 @@ class optional : public optional_detail::optional_base<T>      // Assigns from an expression. See corresponding constructor.      // Basic Guarantee: If the resolved T ctor throws, this is left UNINITIALIZED +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES + +    template<class Expr> +    BOOST_DEDUCED_TYPENAME boost::disable_if_c< +      boost::is_base_of<optional_detail::optional_tag, BOOST_DEDUCED_TYPENAME boost::decay<Expr>::type>::value ||  +        boost::is_same<BOOST_DEDUCED_TYPENAME boost::decay<Expr>::type, none_t>::value, +      optional& +    >::type  +    operator= ( Expr&& expr ) +      { +        optional_detail::prevent_binding_rvalue_ref_to_optional_lvalue_ref<T, Expr&&>(); +        this->assign_expr(boost::forward<Expr>(expr),boost::addressof(expr)); +        return *this ; +      } + +#else      template<class Expr>      optional& operator= ( Expr const& expr ) @@ -576,9 +879,8 @@ class optional : public optional_detail::optional_base<T>          return *this ;        } -#endif - +#endif // !defined  BOOST_NO_CXX11_RVALUE_REFERENCES +#endif // !defined(BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT) && !defined(BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION) -#ifndef BOOST_OPTIONAL_NO_CONVERTING_ASSIGNMENT -    // Assigns from another convertible optional<U> (converts && deep-copies the rhs value) +    // Copy-assigns from another convertible optional<U> (converts && deep-copies the rhs value)      // Requires a valid conversion from U to T.      // Basic Guarantee: If T::T( U const& ) throws, this is left UNINITIALIZED @@ -589,4 +891,15 @@ class optional : public optional_detail::optional_base<T>          return *this ;        } +       +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    // Move-assigns from another convertible optional<U> (converts && deep-moves the rhs value) +    // Requires a valid conversion from U to T. +    // Basic Guarantee: If T::T( U && ) throws, this is left UNINITIALIZED +    template<class U> +    optional& operator= ( optional<U> && rhs ) +      { +        this->assign(boost::move(rhs)); +        return *this ; +      }  #endif @@ -600,4 +913,14 @@ class optional : public optional_detail::optional_base<T>        } +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +    // Assigns from another optional<T> (deep-moves the rhs value) +    optional& operator= ( optional && rhs )  +	  BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value) +      { +        this->assign( static_cast<base &&>(rhs) ) ; +        return *this ; +      } +#endif +      // Assigns from a T (deep-copies the rhs value)      // Basic Guarantee: If T::( T const& ) throws, this is left UNINITIALIZED @@ -608,18 +931,56 @@ class optional : public optional_detail::optional_base<T>        } +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +    // Assigns from a T (deep-moves the rhs value) +    optional& operator= ( rval_reference_type val ) +      { +        optional_detail::prevent_binding_rvalue_ref_to_optional_lvalue_ref<T, rval_reference_type>(); +        this->assign( boost::move(val) ) ; +        return *this ; +      } +#endif +      // Assigns from a "none"      // Which destroys the current value, if any, leaving this UNINITIALIZED      // No-throw (assuming T::~T() doesn't) -    optional& operator= ( none_t none_ ) +    optional& operator= ( none_t none_ ) BOOST_NOEXCEPT        {          this->assign( none_ ) ;          return *this ;        } +       +#if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES) && (!defined BOOST_NO_CXX11_VARIADIC_TEMPLATES) +    // Constructs in-place +    // upon exception *this is always uninitialized +    template<class... Args> +    void emplace ( Args&&... args ) +     { +       this->emplace_assign( boost::forward<Args>(args)... ); +     } +#elif (!defined BOOST_NO_CXX11_RVALUE_REFERENCES) +    template<class Arg> +    void emplace ( Arg&& arg ) +     { +       this->emplace_assign( boost::forward<Arg>(arg) ); +     } +#else +    template<class Arg> +    void emplace ( const Arg& arg ) +     { +       this->emplace_assign( arg ); +     } +      +    template<class Arg> +    void emplace ( Arg& arg ) +     { +       this->emplace_assign( arg ); +     } +#endif      void swap( optional & arg ) +	  BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)        {          // allow for Koenig lookup -        using boost::swap; -        swap(*this, arg); +        boost::swap(*this, arg);        } @@ -644,15 +1005,137 @@ class optional : public optional_detail::optional_base<T>      // the behaviour is UNDEFINED      // No-throw +#ifndef BOOST_NO_CXX11_REF_QUALIFIERS +    reference_const_type operator *() const& { return this->get() ; } +    reference_type       operator *() &      { return this->get() ; } +    reference_type_of_temporary_wrapper operator *() && { return boost::move(this->get()) ; } +#else      reference_const_type operator *() const { return this->get() ; }      reference_type       operator *()       { return this->get() ; } +#endif // !defined BOOST_NO_CXX11_REF_QUALIFIERS + +#ifndef BOOST_NO_CXX11_REF_QUALIFIERS +    reference_const_type value() const& +      {  +        if (this->is_initialized()) +          return this->get() ; +        else +          throw_exception(bad_optional_access()); +      } +       +    reference_type value() & +      {  +        if (this->is_initialized()) +          return this->get() ; +        else +          throw_exception(bad_optional_access()); +      } +       +    reference_type_of_temporary_wrapper value() && +      {  +        if (this->is_initialized()) +          return boost::move(this->get()) ; +        else +          throw_exception(bad_optional_access()); +      } -    // implicit conversion to "bool" -    // No-throw -    operator unspecified_bool_type() const { return this->safe_bool() ; } +#else  +    reference_const_type value() const +      {  +        if (this->is_initialized()) +          return this->get() ; +        else +          throw_exception(bad_optional_access()); +      } +       +    reference_type value() +      {  +        if (this->is_initialized()) +          return this->get() ; +        else +          throw_exception(bad_optional_access()); +      } +#endif -    // This is provided for those compilers which don't like the conversion to bool -    // on some contexts. -    bool operator!() const { return !this->is_initialized() ; } + +#ifndef BOOST_NO_CXX11_REF_QUALIFIERS +    template <class U> +    value_type value_or ( U&& v ) const& +      {  +        if (this->is_initialized()) +          return get(); +        else +          return boost::forward<U>(v); +      } +     +    template <class U> +    value_type value_or ( U&& v ) &&  +      {  +        if (this->is_initialized()) +          return boost::move(get()); +        else +          return boost::forward<U>(v); +      } +#elif !defined BOOST_NO_CXX11_RVALUE_REFERENCES +    template <class U> +    value_type value_or ( U&& v ) const  +      { +        if (this->is_initialized()) +          return get(); +        else +          return boost::forward<U>(v); +      } +#else +    template <class U> +    value_type value_or ( U const& v ) const  +      {  +        if (this->is_initialized()) +          return get(); +        else +          return v; +      } +#endif + + +#ifndef BOOST_NO_CXX11_REF_QUALIFIERS +    template <typename F> +    value_type value_or_eval ( F f ) const& +      { +        if (this->is_initialized()) +          return get(); +        else +          return f(); +      } +       +    template <typename F> +    value_type value_or_eval ( F f ) && +      { +        if (this->is_initialized()) +          return boost::move(get()); +        else +          return f(); +      } +#else +    template <typename F> +    value_type value_or_eval ( F f ) const +      { +        if (this->is_initialized()) +          return get(); +        else +          return f(); +      } +#endif +       +    bool operator!() const BOOST_NOEXCEPT { return !this->is_initialized() ; } +     +    BOOST_EXPLICIT_OPERATOR_BOOL_NOEXCEPT() +} ; + +#ifndef  BOOST_NO_CXX11_RVALUE_REFERENCES +template<class T> +class optional<T&&> +{ +  BOOST_STATIC_ASSERT_MSG(sizeof(T) == 0, "Optional rvalue references are illegal.");  } ; +#endif  // Returns optional<T>(v) @@ -744,4 +1227,9 @@ get_pointer ( optional<T>& opt )  } +// Forward declaration to prevent operator safe-bool from being used. +template<class CharType, class CharTrait, class T> +std::basic_ostream<CharType, CharTrait>& +operator<<(std::basic_ostream<CharType, CharTrait>& out, optional<T> const& v); +  // optional's relational operators ( ==, !=, <, >, <=, >= ) have deep-semantics (compare values).  // WARNING: This is UNLIKE pointers. Use equal_pointees()/less_pointess() in generic code instead. @@ -857,6 +1345,6 @@ bool operator >= ( T const& x, optional<T> const& y )  template<class T>  inline -bool operator == ( optional<T> const& x, none_t ) -{ return equal_pointees(x, optional<T>() ); } +bool operator == ( optional<T> const& x, none_t ) BOOST_NOEXCEPT +{ return !x; }  template<class T> @@ -867,6 +1355,6 @@ bool operator < ( optional<T> const& x, none_t )  template<class T>  inline -bool operator != ( optional<T> const& x, none_t y ) -{ return !( x == y ) ; } +bool operator != ( optional<T> const& x, none_t ) BOOST_NOEXCEPT +{ return bool(x); }  template<class T> @@ -891,6 +1379,6 @@ bool operator >= ( optional<T> const& x, none_t y )  template<class T>  inline -bool operator == ( none_t , optional<T> const& y ) -{ return equal_pointees(optional<T>() ,y); } +bool operator == ( none_t , optional<T> const& y ) BOOST_NOEXCEPT +{ return !y; }  template<class T> @@ -901,6 +1389,6 @@ bool operator < ( none_t , optional<T> const& y )  template<class T>  inline -bool operator != ( none_t x, optional<T> const& y ) -{ return !( x == y ) ; } +bool operator != ( none_t, optional<T> const& y ) BOOST_NOEXCEPT +{ return bool(y); }  template<class T> @@ -950,4 +1438,35 @@ struct swap_selector<true>  }; +#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES +template<> +struct swap_selector<false> +{ +    template<class T> +    static void optional_swap ( optional<T>& x, optional<T>& y )  +    //BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && BOOST_NOEXCEPT_EXPR(boost::swap(*x, *y))) +    { +        if(x) +        { +            if (y) +            { +                boost::swap(*x, *y); +            } +            else +            { +                y = boost::move(*x); +                x = boost::none; +            } +        } +        else +        { +            if (y) +            { +                x = boost::move(*y); +                y = boost::none; +            } +        } +    } +}; +#else  template<>  struct swap_selector<false> @@ -976,4 +1495,5 @@ struct swap_selector<false>      }  }; +#endif // !defined BOOST_NO_CXX11_RVALUE_REFERENCES  } // namespace optional_detail @@ -983,4 +1503,5 @@ struct optional_swap_should_use_default_constructor : has_nothrow_default_constr  template<class T> inline void swap ( optional<T>& x, optional<T>& y ) +  //BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && BOOST_NOEXCEPT_EXPR(boost::swap(*x, *y)))  {      optional_detail::swap_selector<optional_swap_should_use_default_constructor<T>::value>::optional_swap(x, y); diff --git a/3rdParty/Boost/src/boost/optional/optional_fwd.hpp b/3rdParty/Boost/src/boost/optional/optional_fwd.hpp index 388cc1c..fb59682 100644 --- a/3rdParty/Boost/src/boost/optional/optional_fwd.hpp +++ b/3rdParty/Boost/src/boost/optional/optional_fwd.hpp @@ -12,13 +12,14 @@  // Revisions:  // 10 May 2008 (added swap related forward declaration) Niels Dekker -//  +//  #ifndef BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP  #define BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP +  namespace boost {  template<class T> class optional ; -template<class T> void swap ( optional<T>& , optional<T>& ) ; +template<class T> void swap ( optional<T>& , optional<T>& );  template<class T> struct optional_swap_should_use_default_constructor ; | 
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