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Subject: [Boost-commit] svn:boost r69464 - in branches/release: . boost boost/algorithm/string boost/archive boost/bimap boost/config boost/detail boost/functional/hash boost/fusion boost/fusion/container/list/detail boost/gil boost/graph boost/icl boost/integer boost/interprocess boost/intrusive boost/io boost/iostreams boost/iterator boost/math boost/msm boost/numeric/ublas boost/pool boost/program_options boost/program_options/detail boost/property_tree boost/proto boost/proto/transform boost/python 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/thread boost/tr1 boost/type_traits boost/typeof boost/unordered boost/utility boost/uuid boost/variant boost/wave libs libs/algorithm/string libs/array libs/array/doc libs/array/test libs/bimap libs/config libs/date_time libs/functional/hash libs/fusion 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/iostreams libs/math libs/math/build libs/math/config libs/math/doc libs/math/doc/complex libs/math/doc/distexplorer libs/math/doc/gcd libs/math/doc/html libs/math/doc/octonion libs/math/doc/quaternion libs/math/doc/sf_and_dist libs/math/doc/sf_and_dist/html libs/math/doc/sf_and_dist/html/math_toolkit/main_overview libs/math/dot_net_example libs/math/example libs/math/minimax libs/math/performance libs/math/src libs/math/test libs/math/tools 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/pool libs/program_options libs/program_options/test libs/property_tree libs/python libs/range libs/regex libs/regex/build 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/thread libs/timer libs/tr1 libs/type_traits libs/type_traits/doc libs/typeof/doc libs/units/test libs/unordered libs/utility libs/utility/swap/test libs/uuid libs/wave more more/getting_started status tools tools/bcp tools/boostbook tools/build/v2 tools/inspect tools/quickbook tools/quickbook/src tools/quickbook/test tools/regression tools/regression/src tools/release tools/wave
From: eric_at_[hidden]
Date: 2011-03-01 23:35:03


Author: eric_niebler
Date: 2011-03-01 23:34:53 EST (Tue, 01 Mar 2011)
New Revision: 69464
URL: http://svn.boost.org/trac/boost/changeset/69464

Log:
merge changeset 68314 68463 to release
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Text files modified:
   branches/release/boost/proto/debug.hpp | 66 ++++++++++++++++++++++++++-------------
   branches/release/boost/proto/transform/pass_through.hpp | 2
   2 files changed, 45 insertions(+), 23 deletions(-)

Modified: branches/release/boost/proto/debug.hpp
==============================================================================
--- branches/release/boost/proto/debug.hpp (original)
+++ branches/release/boost/proto/debug.hpp 2011-03-01 23:34:53 EST (Tue, 01 Mar 2011)
@@ -11,6 +11,7 @@
 
 #include <iostream>
 #include <boost/preprocessor/stringize.hpp>
+#include <boost/ref.hpp>
 #include <boost/mpl/assert.hpp>
 #include <boost/proto/proto_fwd.hpp>
 #include <boost/proto/traits.hpp>
@@ -108,32 +109,16 @@
         }
     }
 
- namespace functional
+ namespace detail
     {
- /// \brief Pretty-print a Proto expression tree.
- ///
- /// A PolymorphicFunctionObject which accepts a Proto expression
- /// tree and pretty-prints it to an \c ostream for debugging
- /// purposes.
- struct display_expr
+ struct display_expr_impl
         {
- BOOST_PROTO_CALLABLE()
-
- typedef void result_type;
-
- /// \param sout The \c ostream to which the expression tree
- /// will be written.
- /// \param depth The starting indentation depth for this node.
- /// Children nodes will be displayed at a starting
- /// depth of <tt>depth+4</tt>.
- explicit display_expr(std::ostream &sout = std::cout, int depth = 0)
+ explicit display_expr_impl(std::ostream &sout, int depth = 0)
               : depth_(depth)
               , first_(true)
               , sout_(sout)
             {}
 
- /// \brief Pretty-print the current node in a Proto expression
- /// tree.
             template<typename Expr>
             void operator()(Expr const &expr) const
             {
@@ -141,8 +126,8 @@
             }
 
         private:
- display_expr(display_expr const &);
- display_expr &operator =(display_expr const &);
+ display_expr_impl(display_expr_impl const &);
+ display_expr_impl &operator =(display_expr_impl const &);
 
             template<typename Expr>
             void impl(Expr const &expr, mpl::long_<0>) const
@@ -163,7 +148,7 @@
                 this->sout_.width(this->depth_);
                 this->sout_ << (this->first_? "" : ", ");
                 this->sout_ << tag() << "(\n";
- display_expr display(this->sout_, this->depth_ + 4);
+ display_expr_impl display(this->sout_, this->depth_ + 4);
                 fusion::for_each(expr, display);
                 this->sout_.width(this->depth_);
                 this->sout_ << "" << ")\n";
@@ -176,6 +161,43 @@
         };
     }
 
+ namespace functional
+ {
+ /// \brief Pretty-print a Proto expression tree.
+ ///
+ /// A PolymorphicFunctionObject which accepts a Proto expression
+ /// tree and pretty-prints it to an \c ostream for debugging
+ /// purposes.
+ struct display_expr
+ {
+ BOOST_PROTO_CALLABLE()
+
+ typedef void result_type;
+
+ /// \param sout The \c ostream to which the expression tree
+ /// will be written.
+ /// \param depth The starting indentation depth for this node.
+ /// Children nodes will be displayed at a starting
+ /// depth of <tt>depth+4</tt>.
+ explicit display_expr(std::ostream &sout = std::cout, int depth = 0)
+ : depth_(depth)
+ , sout_(sout)
+ {}
+
+ /// \brief Pretty-print the current node in a Proto expression
+ /// tree.
+ template<typename Expr>
+ void operator()(Expr const &expr) const
+ {
+ detail::display_expr_impl(this->sout_, this->depth_)(expr);
+ }
+
+ private:
+ int depth_;
+ reference_wrapper<std::ostream> sout_;
+ };
+ }
+
     /// \brief Pretty-print a Proto expression tree.
     ///
     /// \note Equivalent to <tt>functional::display_expr(0, sout)(expr)</tt>

Modified: branches/release/boost/proto/transform/pass_through.hpp
==============================================================================
--- branches/release/boost/proto/transform/pass_through.hpp (original)
+++ branches/release/boost/proto/transform/pass_through.hpp 2011-03-01 23:34:53 EST (Tue, 01 Mar 2011)
@@ -178,7 +178,7 @@
                 expr_type;
 
                 typedef typename unref_expr::proto_generator proto_generator;
- typedef typename BOOST_PROTO_RESULT_OF<proto_generator(expr_type)>::type result_type;
+ typedef typename BOOST_PROTO_RESULT_OF<proto_generator(expr_type)>::type const result_type;
 
                 result_type const operator ()(
                     typename pass_through_impl::expr_param e


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