Update of /cvsroot/boost/boost/boost/xpressive/proto/transform
In directory
sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv9388/boost/xpressive/proto/transform
Modified Files:
construct.hpp fold_to_list.hpp
Added Files:
fold_tree.hpp
Log Message:
fold_tree gets its own header, deprecate fold_to_list
--- NEW FILE: fold_tree.hpp ---
///////////////////////////////////////////////////////////////////////////////
/// \file fold_tree.hpp
/// A higher-level transform that uses the fold, and branch transforms
/// to recursively fold a tree.
//
// Copyright 2004 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_FOLD_TREE_HPP_EAN_06_18_2007
#define BOOST_PROTO_TRANSFORM_FOLD_TREE_HPP_EAN_06_18_2007
#include <boost/xpressive/proto/detail/prefix.hpp>
#include <boost/xpressive/proto/transform/fold.hpp>
#include <boost/xpressive/proto/transform/branch.hpp>
#include <boost/xpressive/proto/detail/suffix.hpp>
namespace boost { namespace proto { namespace transform
{
namespace detail
{
template<typename Tag, typename Grammar>
struct fold_tree_
: or_<
transform::fold<
nary_expr<Tag, vararg<fold_tree_<Tag, Grammar> > >
>
, Grammar
>
{};
template<typename Tag, typename Grammar>
struct reverse_fold_tree_
: or_<
transform::reverse_fold<
nary_expr<Tag, vararg<reverse_fold_tree_<Tag, Grammar> > >
>
, Grammar
>
{};
}
/// fold_tree
///
template<typename Tag, typename Grammar, typename State = void>
struct fold_tree
: transform::branch<
transform::fold<
nary_expr<Tag, vararg<detail::fold_tree_<Tag, Grammar> > >
>
, State
>
{};
template<typename Tag, typename Grammar>
struct fold_tree<Tag, Grammar, void>
: transform::fold<
nary_expr<Tag, vararg<detail::fold_tree_<Tag, Grammar> > >
>
{};
/// reverse_fold_tree
///
template<typename Tag, typename Grammar, typename State = void>
struct reverse_fold_tree
: transform::branch<
transform::reverse_fold<
nary_expr<Tag, vararg<detail::reverse_fold_tree_<Tag, Grammar>
> >
>
, State
>
{};
template<typename Tag, typename Grammar>
struct reverse_fold_tree<Tag, Grammar, void>
: transform::reverse_fold<
nary_expr<Tag, vararg<detail::reverse_fold_tree_<Tag, Grammar> > >
>
{};
}}}
#endif
Index: construct.hpp
===================================================================
RCS file: /cvsroot/boost/boost/boost/xpressive/proto/transform/construct.hpp,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- construct.hpp 16 Jun 2007 09:21:17 -0000 1.7
+++ construct.hpp 19 Jun 2007 01:07:11 -0000 1.8
@@ -13,6 +13,7 @@
#include <boost/xpressive/proto/detail/prefix.hpp>
#include <boost/preprocessor/iterate.hpp>
#include <boost/preprocessor/facilities/intercept.hpp>
+ #include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
Index: fold_to_list.hpp
===================================================================
RCS file:
/cvsroot/boost/boost/boost/xpressive/proto/transform/fold_to_list.hpp,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -d -r1.10 -r1.11
--- fold_to_list.hpp 16 Jun 2007 05:46:16 -0000 1.10
+++ fold_to_list.hpp 19 Jun 2007 01:07:11 -0000 1.11
@@ -13,75 +13,13 @@
#include <boost/xpressive/proto/detail/prefix.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/is_same.hpp>
-#include <boost/xpressive/proto/transform/fold.hpp>
+#include <boost/xpressive/proto/transform/fold_tree.hpp>
#include <boost/xpressive/proto/transform/list.hpp>
-#include <boost/xpressive/proto/transform/branch.hpp>
#include <boost/xpressive/proto/detail/suffix.hpp>
namespace boost { namespace proto { namespace transform
{
- namespace detail
- {
- template<typename Tag, typename Grammar>
- struct fold_tree_
- : or_<
- transform::fold<
- nary_expr<Tag, vararg<fold_tree_<Tag, Grammar> > >
- >
- , Grammar
- >
- {};
-
- template<typename Tag, typename Grammar>
- struct reverse_fold_tree_
- : or_<
- transform::reverse_fold<
- nary_expr<Tag, vararg<reverse_fold_tree_<Tag, Grammar> > >
- >
- , Grammar
- >
- {};
- }
-
- /// fold_tree
- ///
- template<typename Tag, typename Grammar, typename State = void>
- struct fold_tree
- : transform::branch<
- transform::fold<
- nary_expr<Tag, vararg<detail::fold_tree_<Tag, Grammar> > >
- >
- , State
- >
- {};
-
- template<typename Tag, typename Grammar>
- struct fold_tree<Tag, Grammar, void>
- : transform::fold<
- nary_expr<Tag, vararg<detail::fold_tree_<Tag, Grammar> > >
- >
- {};
-
- /// reverse_fold_tree
- ///
- template<typename Tag, typename Grammar, typename State = void>
- struct reverse_fold_tree
- : transform::branch<
- transform::reverse_fold<
- nary_expr<Tag, vararg<detail::reverse_fold_tree_<Tag, Grammar>
> >
- >
- , State
- >
- {};
-
- template<typename Tag, typename Grammar>
- struct reverse_fold_tree<Tag, Grammar, void>
- : transform::reverse_fold<
- nary_expr<Tag, vararg<detail::reverse_fold_tree_<Tag, Grammar> > >
- >
- {};
-
/// fold_to_list
/// TODO Find a cleaner interface
template<typename Grammar>
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