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Subject: [Boost-commit] svn:boost r71263 - in branches/release: . boost boost/algorithm/string boost/archive boost/bimap boost/config boost/date_time boost/date_time/posix_time boost/detail boost/filesystem boost/fusion boost/fusion/container/list/detail boost/geometry boost/geometry/algorithms boost/geometry/arithmetic boost/geometry/core boost/geometry/domains boost/geometry/geometries boost/geometry/iterators boost/geometry/multi boost/geometry/policies boost/geometry/ranges boost/geometry/strategies boost/geometry/util boost/geometry/views boost/gil boost/graph boost/icl boost/integer boost/interprocess boost/intrusive boost/io boost/iostreams boost/math boost/msm boost/numeric/ublas boost/pool boost/program_options boost/program_options/detail boost/property_tree boost/range boost/regex boost/serialization boost/signals boost/signals2 boost/spirit boost/spirit/home boost/spirit/home/karma boost/spirit/home/support boost/statechart boost/system boost/tr1 boost/type_traits boost/typeof boost/utility boost/uuid boost/variant boost/wave libs libs/algorithm/string libs/config libs/date_time libs/date_time/data libs/date_time/example/gregorian libs/date_time/example/local_time libs/date_time/example/posix_time libs/date_time/example/tutorial libs/date_time/test/posix_time libs/date_time/xmldoc libs/filesystem libs/fusion libs/geometry libs/geometry/doc libs/geometry/example libs/geometry/test libs/graph/doc libs/graph_parallel libs/icl libs/icl/doc libs/icl/doc/html libs/icl/doc/html/header/boost/icl libs/icl/test libs/icl/test/test_doc_code_ libs/integer libs/interprocess libs/intrusive libs/io libs/io/doc libs/math libs/math/doc/sf_and_dist libs/math/doc/sf_and_dist/html/math_toolkit/main_overview libs/mpi/build libs/mpl/doc/refmanual libs/mpl/doc/src/refmanual libs/msm libs/numeric/ublas libs/numeric/ublas/doc libs/parameter/doc/html libs/phoenix/doc libs/phoenix/doc/examples libs/pool libs/program_options libs/program_options/test libs/property_tree libs/range libs/regex libs/serialization libs/serialization/doc libs/serialization/example libs/serialization/src libs/serialization/test libs/serialization/vc7ide libs/signals libs/signals2 libs/spirit libs/spirit/classic/example libs/spirit/doc libs/spirit/example libs/spirit/phoenix libs/spirit/test libs/spirit/test/qi libs/statechart libs/static_assert libs/system libs/timer libs/tr1 libs/type_traits libs/type_traits/doc libs/typeof/doc libs/units/test libs/utility libs/utility/swap/test libs/uuid libs/wave more status tools tools/bcp tools/build/v2 tools/regression tools/regression/src tools/release tools/wave
From: eric_at_[hidden]
Date: 2011-04-14 23:20:55
Author: eric_niebler
Date: 2011-04-14 23:20:55 EDT (Thu, 14 Apr 2011)
New Revision: 71263
URL: http://svn.boost.org/trac/boost/changeset/71263
Log:
[foreach] merge 69941 from trunk
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Text files modified:
branches/release/boost/foreach.hpp | 40 ++++++++++++++++++++++++++++++----------
1 files changed, 30 insertions(+), 10 deletions(-)
Modified: branches/release/boost/foreach.hpp
==============================================================================
--- branches/release/boost/foreach.hpp (original)
+++ branches/release/boost/foreach.hpp 2011-04-14 23:20:55 EDT (Thu, 14 Apr 2011)
@@ -15,6 +15,7 @@
// Alisdair Meredith - For help porting to Borland
// Stefan Slapeta - For help porting to Intel
// David Jenkins - For help finding a Microsoft Code Analysis bug
+// mimomorin_at_... - For a patch to use rvalue refs on supporting compilers
#ifndef BOOST_FOREACH
@@ -30,8 +31,10 @@
#include <boost/detail/workaround.hpp>
// Some compilers let us detect even const-qualified rvalues at compile-time
-#if BOOST_WORKAROUND(BOOST_MSVC, >= 1310) && !defined(_PREFAST_) \
- || (BOOST_WORKAROUND(__GNUC__, >= 4) && !defined(BOOST_INTEL) && !defined(BOOST_CLANG)) \
+#if !defined(BOOST_NO_RVALUE_REFERENCES) \
+ || BOOST_WORKAROUND(BOOST_MSVC, >= 1310) && !defined(_PREFAST_) \
+ || (BOOST_WORKAROUND(__GNUC__, == 4) && (__GNUC_MINOR__ <= 5) && !defined(BOOST_INTEL) && \
+ !defined(BOOST_CLANG)) \
|| (BOOST_WORKAROUND(__GNUC__, == 3) && (__GNUC_MINOR__ >= 4) && !defined(BOOST_INTEL) && \
!defined(BOOST_CLANG))
# define BOOST_FOREACH_COMPILE_TIME_CONST_RVALUE_DETECTION
@@ -80,6 +83,7 @@
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/is_abstract.hpp>
#include <boost/type_traits/is_base_and_derived.hpp>
+#include <boost/type_traits/is_rvalue_reference.hpp>
#include <boost/iterator/iterator_traits.hpp>
#include <boost/utility/addressof.hpp>
#include <boost/foreach_fwd.hpp>
@@ -214,12 +218,6 @@
inline boost::mpl::not_<Bool1> *not_(Bool1 *) { return 0; }
template<typename T>
-inline boost::mpl::false_ *is_rvalue_(T &, int) { return 0; }
-
-template<typename T>
-inline boost::mpl::true_ *is_rvalue_(T const &, ...) { return 0; }
-
-template<typename T>
inline boost::is_array<T> *is_array_(T const &) { return 0; }
template<typename T>
@@ -230,6 +228,17 @@
inline boost::mpl::true_ *is_const_(T const &) { return 0; }
#endif
+#ifdef BOOST_NO_RVALUE_REFERENCES
+template<typename T>
+inline boost::mpl::false_ *is_rvalue_(T &, int) { return 0; }
+
+template<typename T>
+inline boost::mpl::true_ *is_rvalue_(T const &, ...) { return 0; }
+#else
+template<typename T>
+inline boost::is_rvalue_reference<T &&> *is_rvalue_(T &&, int) { return 0; }
+#endif
+
///////////////////////////////////////////////////////////////////////////////
// auto_any_t/auto_any
// General utility for putting an object of any type into automatic storage
@@ -445,7 +454,18 @@
);
}
-#ifdef BOOST_FOREACH_COMPILE_TIME_CONST_RVALUE_DETECTION
+#if defined(BOOST_FOREACH_COMPILE_TIME_CONST_RVALUE_DETECTION) \
+ && !defined(BOOST_NO_RVALUE_REFERENCES)
+///////////////////////////////////////////////////////////////////////////////
+// Rvalue references makes it drop-dead simple to detect at compile time
+// whether an expression is an rvalue.
+///////////////////////////////////////////////////////////////////////////////
+
+# define BOOST_FOREACH_IS_RVALUE(COL) \
+ boost::foreach_detail_::is_rvalue_((COL), 0)
+
+#elif defined(BOOST_FOREACH_COMPILE_TIME_CONST_RVALUE_DETECTION) \
+ && defined(BOOST_NO_RVALUE_REFERENCES)
///////////////////////////////////////////////////////////////////////////////
// Detect at compile-time whether an expression yields an rvalue or
// an lvalue. This is rather non-standard, but some popular compilers
@@ -902,7 +922,7 @@
boost::foreach_detail_::to_ptr(COL) \
, boost_foreach_argument_dependent_lookup_hack_value))
-#ifdef BOOST_FOREACH_COMPILE_TIME_CONST_RVALUE_DETECTION
+#if defined(BOOST_FOREACH_COMPILE_TIME_CONST_RVALUE_DETECTION)
///////////////////////////////////////////////////////////////////////////////
// R-values and const R-values supported here with zero runtime overhead
///////////////////////////////////////////////////////////////////////////////
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