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-rw-r--r--3rdParty/Boost/src/boost/proto/transform/make.hpp284
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diff --git a/3rdParty/Boost/src/boost/proto/transform/make.hpp b/3rdParty/Boost/src/boost/proto/transform/make.hpp
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+///////////////////////////////////////////////////////////////////////////////
+/// \file make.hpp
+/// Contains definition of the make<> transform.
+//
+// Copyright 2008 Eric Niebler. 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_PROTO_TRANSFORM_MAKE_HPP_EAN_12_02_2007
+#define BOOST_PROTO_TRANSFORM_MAKE_HPP_EAN_12_02_2007
+
+#include <boost/detail/workaround.hpp>
+#include <boost/preprocessor/repetition/enum.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
+#include <boost/preprocessor/repetition/enum_binary_params.hpp>
+#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
+#include <boost/preprocessor/repetition/repeat_from_to.hpp>
+#include <boost/preprocessor/facilities/intercept.hpp>
+#include <boost/preprocessor/cat.hpp>
+#include <boost/preprocessor/iteration/iterate.hpp>
+#include <boost/preprocessor/selection/max.hpp>
+#include <boost/preprocessor/arithmetic/inc.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/aux_/has_type.hpp>
+#include <boost/proto/detail/template_arity.hpp>
+#include <boost/utility/result_of.hpp>
+#include <boost/proto/proto_fwd.hpp>
+#include <boost/proto/traits.hpp>
+#include <boost/proto/args.hpp>
+#include <boost/proto/transform/impl.hpp>
+#include <boost/proto/transform/detail/pack.hpp>
+#include <boost/proto/detail/as_lvalue.hpp>
+#include <boost/proto/detail/ignore_unused.hpp>
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma warning(push)
+# pragma warning(disable : 4714) // function 'xxx' marked as __forceinline not inlined
+#endif
+
+namespace boost { namespace proto
+{
+ namespace detail
+ {
+ template<typename T>
+ struct is_applyable
+ : mpl::and_<is_callable<T>, is_transform<T> >
+ {};
+
+ template<typename T, bool HasType = mpl::aux::has_type<T>::value>
+ struct nested_type
+ {
+ typedef typename T::type type;
+ };
+
+ template<typename T>
+ struct nested_type<T, false>
+ {
+ typedef T type;
+ };
+
+ template<typename T, bool Applied>
+ struct nested_type_if
+ {
+ typedef T type;
+ static bool const applied = false;
+ };
+
+ template<typename T>
+ struct nested_type_if<T, true>
+ : nested_type<T>
+ {
+ static bool const applied = true;
+ };
+
+ template<
+ typename R
+ , typename Expr, typename State, typename Data
+ BOOST_PROTO_TEMPLATE_ARITY_PARAM(long Arity = detail::template_arity<R>::value)
+ >
+ struct make_
+ {
+ typedef R type;
+ static bool const applied = false;
+ };
+
+ template<
+ typename R
+ , typename Expr, typename State, typename Data
+ , bool IsApplyable = is_applyable<R>::value
+ >
+ struct make_if_
+ : make_<R, Expr, State, Data>
+ {};
+
+ template<typename R, typename Expr, typename State, typename Data>
+ struct make_if_<R, Expr, State, Data, true>
+ : uncvref<typename when<_, R>::template impl<Expr, State, Data>::result_type>
+ {
+ static bool const applied = true;
+ };
+
+ #if BOOST_WORKAROUND(__GNUC__, == 3) || (BOOST_WORKAROUND(__GNUC__, == 4) && __GNUC_MINOR__ == 0)
+ // work around GCC bug
+ template<typename Tag, typename Args, long N, typename Expr, typename State, typename Data>
+ struct make_if_<proto::expr<Tag, Args, N>, Expr, State, Data, false>
+ {
+ typedef proto::expr<Tag, Args, N> type;
+ static bool const applied = false;
+ };
+
+ // work around GCC bug
+ template<typename Tag, typename Args, long N, typename Expr, typename State, typename Data>
+ struct make_if_<proto::basic_expr<Tag, Args, N>, Expr, State, Data, false>
+ {
+ typedef proto::basic_expr<Tag, Args, N> type;
+ static bool const applied = false;
+ };
+ #endif
+
+ template<typename Type, bool IsAggregate = detail::is_aggregate_<Type>::value>
+ struct construct_
+ {
+ typedef Type result_type;
+
+ BOOST_FORCEINLINE
+ Type operator ()() const
+ {
+ return Type();
+ }
+
+ // Other overloads generated by the preprocessor
+ #include <boost/proto/transform/detail/construct_funop.hpp>
+ };
+
+ template<typename Type>
+ struct construct_<Type, true>
+ {
+ typedef Type result_type;
+
+ BOOST_FORCEINLINE
+ Type operator ()() const
+ {
+ return Type();
+ }
+
+ // Other overloads generated by the preprocessor
+ #include <boost/proto/transform/detail/construct_pod_funop.hpp>
+ };
+
+ }
+
+ /// \brief A PrimitiveTransform which prevents another PrimitiveTransform
+ /// from being applied in an \c ObjectTransform.
+ ///
+ /// When building higher order transforms with <tt>make\<\></tt> or
+ /// <tt>lazy\<\></tt>, you sometimes would like to build types that
+ /// are parameterized with Proto transforms. In such lambda-style
+ /// transforms, Proto will unhelpfully find all nested transforms
+ /// and apply them, even if you don't want them to be applied. Consider
+ /// the following transform, which will replace the \c _ in
+ /// <tt>Bar<_>()</tt> with <tt>proto::terminal\<int\>::type</tt>:
+ ///
+ /// \code
+ /// template<typename T>
+ /// struct Bar
+ /// {};
+ ///
+ /// struct Foo
+ /// : proto::when<_, Bar<_>() >
+ /// {};
+ ///
+ /// proto::terminal<int>::type i = {0};
+ ///
+ /// int main()
+ /// {
+ /// Foo()(i);
+ /// std::cout << typeid(Foo()(i)).name() << std::endl;
+ /// }
+ /// \endcode
+ ///
+ /// If you actually wanted to default-construct an object of type
+ /// <tt>Bar\<_\></tt>, you would have to protect the \c _ to prevent
+ /// it from being applied. You can use <tt>proto::protect\<\></tt>
+ /// as follows:
+ ///
+ /// \code
+ /// // OK: replace anything with Bar<_>()
+ /// struct Foo
+ /// : proto::when<_, Bar<protect<_> >() >
+ /// {};
+ /// \endcode
+ template<typename PrimitiveTransform>
+ struct protect : transform<protect<PrimitiveTransform> >
+ {
+ template<typename, typename, typename>
+ struct impl
+ {
+ typedef PrimitiveTransform result_type;
+ };
+ };
+
+ /// \brief A PrimitiveTransform which computes a type by evaluating any
+ /// nested transforms and then constructs an object of that type.
+ ///
+ /// The <tt>make\<\></tt> transform checks to see if \c Object is a template.
+ /// If it is, the template type is disassembled to find nested transforms.
+ /// Proto considers the following types to represent transforms:
+ ///
+ /// \li Function types
+ /// \li Function pointer types
+ /// \li Types for which <tt>proto::is_callable\< type \>::value</tt> is \c true
+ ///
+ /// <tt>boost::result_of\<make\<T\<X0,X1,...\> \>(Expr, State, Data)\>::type</tt>
+ /// is evaluated as follows. For each \c X in <tt>X0,X1,...</tt>, do:
+ ///
+ /// \li If \c X is a template like <tt>U\<Y0,Y1,...\></tt>, then let <tt>X'</tt>
+ /// be <tt>boost::result_of\<make\<U\<Y0,Y1,...\> \>(Expr, State, Data)\>::type</tt>
+ /// (which evaluates this procedure recursively). Note whether any
+ /// substitutions took place during this operation.
+ /// \li Otherwise, if \c X is a transform, then let <tt>X'</tt> be
+ /// <tt>boost::result_of\<when\<_, X\>(Expr, State, Data)\>::type</tt>.
+ /// Note that a substitution took place.
+ /// \li Otherwise, let <tt>X'</tt> be \c X, and note that no substitution
+ /// took place.
+ /// \li If any substitutions took place in any of the above steps and
+ /// <tt>T\<X0',X1',...\></tt> has a nested <tt>::type</tt> typedef,
+ /// the result type is <tt>T\<X0',X1',...\>::type</tt>.
+ /// \li Otherwise, the result type is <tt>T\<X0',X1',...\></tt>.
+ ///
+ /// Note that <tt>when\<\></tt> is implemented in terms of <tt>call\<\></tt>
+ /// and <tt>make\<\></tt>, so the above procedure is evaluated recursively.
+ template<typename Object>
+ struct make : transform<make<Object> >
+ {
+ template<typename Expr, typename State, typename Data>
+ struct impl : transform_impl<Expr, State, Data>
+ {
+ typedef typename detail::make_if_<Object, Expr, State, Data>::type result_type;
+
+ /// \return <tt>result_type()</tt>
+ BOOST_FORCEINLINE
+ result_type operator ()(
+ typename impl::expr_param
+ , typename impl::state_param
+ , typename impl::data_param
+ ) const
+ {
+ return result_type();
+ }
+ };
+ };
+
+ /// INTERNAL ONLY
+ template<typename Fun>
+ struct make<detail::msvc_fun_workaround<Fun> >
+ : make<Fun>
+ {};
+
+ // Other specializations generated by the preprocessor.
+ #include <boost/proto/transform/detail/make.hpp>
+ #include <boost/proto/transform/detail/make_gcc_workaround.hpp>
+
+ /// INTERNAL ONLY
+ ///
+ template<typename Object>
+ struct is_callable<make<Object> >
+ : mpl::true_
+ {};
+
+ /// INTERNAL ONLY
+ ///
+ template<typename PrimitiveTransform>
+ struct is_callable<protect<PrimitiveTransform> >
+ : mpl::true_
+ {};
+
+}}
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma warning(pop)
+#endif
+
+#endif