Added boost header

test/external/boost/phoenix/statement/while.hpp

@@ -0,0 +1,70 @@
+/*==============================================================================
+    Copyright (c) 2001-2010 Joel de Guzman
+    Copyright (c) 2010 Thomas Heller
+
+    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_PHOENIX_STATEMENT_WHILE_HPP
+#define BOOST_PHOENIX_STATEMENT_WHILE_HPP
+
+#include <boost/phoenix/core/limits.hpp>
+#include <boost/phoenix/core/call.hpp>
+#include <boost/phoenix/core/expression.hpp>
+#include <boost/phoenix/core/meta_grammar.hpp>
+
+BOOST_PHOENIX_DEFINE_EXPRESSION(
+    (boost)(phoenix)(while_)
+  , (meta_grammar) // Cond
+    (meta_grammar) // Do
+)
+
+namespace boost { namespace phoenix
+{
+    struct while_eval
+    {
+        typedef void result_type;
+
+        template <typename Cond, typename Do, typename Context>
+        result_type
+        operator()(Cond const& cond, Do const& do_, Context & ctx) const
+        {
+            while(boost::phoenix::eval(cond, ctx))
+            {
+                boost::phoenix::eval(do_, ctx);
+            }
+        }
+    };
+    
+    template <typename Dummy>
+    struct default_actions::when<rule::while_, Dummy>
+        : call<while_eval, Dummy>
+    {};
+
+    template <typename Cond>
+    struct while_gen
+    {
+        while_gen(Cond const& cond) : cond(cond) {}
+
+        template <typename Do>
+        typename expression::while_<Cond, Do>::type const
+        operator[](Do const& do_) const
+        {
+            return expression::while_<Cond, Do>::make(cond, do_);
+        }
+
+        Cond const& cond;
+    };
+
+    template <typename Cond>
+    inline
+    while_gen<Cond> const
+    while_(Cond const& cond)
+    {
+        return while_gen<Cond>(cond);
+    }
+
+
+}}
+
+#endif