stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork
This commit is contained in:
@@ -0,0 +1,249 @@
|
||||
//-----------------------------------------------------------------------------
|
||||
// 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>
|
||||
#include <boost/variant/detail/move.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;
|
||||
|
||||
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
|
||||
typedef boost::is_reference<public_T>
|
||||
is_reference_content_t;
|
||||
|
||||
typedef typename boost::mpl::if_<is_reference_content_t, public_T, const public_T& >::type
|
||||
param_T;
|
||||
|
||||
template <class T> struct disable_overload{};
|
||||
|
||||
typedef typename boost::mpl::if_<is_reference_content_t, disable_overload<public_T>, public_T&& >::type
|
||||
param2_T;
|
||||
#else
|
||||
typedef typename call_traits<public_T>::param_type
|
||||
param_T;
|
||||
#endif
|
||||
|
||||
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
|
||||
}
|
||||
|
||||
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
|
||||
static int initialize(void* dest, param2_T operand)
|
||||
{
|
||||
// This assert must newer trigger, because all the reference contents are
|
||||
// handled by the initilize(void* dest, param_T operand) function above
|
||||
BOOST_ASSERT(!is_reference_content_t::value);
|
||||
|
||||
typedef typename boost::mpl::if_<is_reference_content_t, param2_T, recursive_enabled_T>::type value_T;
|
||||
new(dest) value_T( boost::detail::variant::move(operand) );
|
||||
return BOOST_MPL_AUX_VALUE_WKND(index)::value; // which
|
||||
}
|
||||
#endif
|
||||
};
|
||||
|
||||
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)
|
||||
|
||||
// Obsolete. Remove.
|
||||
#define BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_PARAMS \
|
||||
BOOST_VARIANT_ENUM_PARAMS(typename recursive_enabled_T) \
|
||||
/**/
|
||||
|
||||
// Obsolete. Remove.
|
||||
#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); \
|
||||
/**/
|
||||
|
||||
template < BOOST_VARIANT_ENUM_PARAMS(typename recursive_enabled_T) >
|
||||
struct preprocessor_list_initializer
|
||||
{
|
||||
public: // static functions
|
||||
|
||||
#define BOOST_VARIANT_AUX_PP_INITIALIZE_FUNCTION(z,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); \
|
||||
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
|
||||
|
||||
};
|
||||
|
||||
#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)
|
||||
|
||||
// Obsolete. Remove.
|
||||
#define BOOST_VARIANT_AUX_PP_INITIALIZER_TEMPLATE_ARGS(typename_base) \
|
||||
BOOST_VARIANT_ENUM_PARAMS(typename_base) \
|
||||
/**/
|
||||
|
||||
#define BOOST_VARIANT_AUX_INITIALIZER_T( mpl_seq, typename_base ) \
|
||||
::boost::detail::variant::preprocessor_list_initializer< \
|
||||
BOOST_VARIANT_ENUM_PARAMS(typename_base) \
|
||||
> \
|
||||
/**/
|
||||
|
||||
#endif // BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE workaround
|
||||
|
||||
#endif // BOOST_VARIANT_DETAIL_INITIALIZER_HPP
|
||||
Reference in New Issue
Block a user