[Boost-commit] svn:boost r61698 - in trunk/boost/spirit/home/phoenix/statement: . detail

Subject: [Boost-commit] svn:boost r61698 - in trunk/boost/spirit/home/phoenix/statement: . detail
From: dgregor_at_[hidden]
Date: 2010-04-30 03:02:55

Author: dgregor
Date: 2010-04-30 03:02:54 EDT (Fri, 30 Apr 2010)
New Revision: 61698
URL: http://svn.boost.org/trac/boost/changeset/61698

Log:
Move the implementation of
boost::phoenix::detail::ensure_default<Cases>::eval for the default
case so that it comes *after* the definition of the default_case
template.

Text files modified: 
   trunk/boost/spirit/home/phoenix/statement/detail/switch.hpp |     7 +------                                 
   trunk/boost/spirit/home/phoenix/statement/switch.hpp        |    13 +++++++++++++                           
   2 files changed, 14 insertions(+), 6 deletions(-)

Modified: trunk/boost/spirit/home/phoenix/statement/detail/switch.hpp
==============================================================================
--- trunk/boost/spirit/home/phoenix/statement/detail/switch.hpp	(original)
+++ trunk/boost/spirit/home/phoenix/statement/detail/switch.hpp	2010-04-30 03:02:54 EDT (Fri, 30 Apr 2010)
@@ -119,12 +119,7 @@
             type;
 
             static type
-            eval(Cases const& cases, mpl::false_)
-            {
-                actor<default_case<actor<null_actor> > > default_
-                    = default_case<actor<null_actor> >(nothing);
-                return fusion::push_front(cases, default_);
-            }
+            eval(Cases const& cases, mpl::false_);
 
             static type
             eval(Cases const& cases, mpl::true_)

Modified: trunk/boost/spirit/home/phoenix/statement/switch.hpp
==============================================================================
--- trunk/boost/spirit/home/phoenix/statement/switch.hpp	(original)
+++ trunk/boost/spirit/home/phoenix/statement/switch.hpp	2010-04-30 03:02:54 EDT (Fri, 30 Apr 2010)
@@ -146,6 +146,19 @@
         return detail::compose_case_b<Seq, D>::eval(
             seq, static_cast<D const&>(case_));
     }
+
+    // Implementation of routines in detail/switch.hpp that depend on
+    // the completeness of default_case.
+    namespace detail {
+        template <typename Cases>
+        typename ensure_default<Cases>::type
+        ensure_default<Cases>::eval(Cases const& cases, mpl::false_)
+        {
+            actor<default_case<actor<null_actor> > > default_
+              = default_case<actor<null_actor> >(nothing);
+            return fusion::push_front(cases, default_);
+        }
+    }
 }}
 
 #endif