Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/boost/libs/spirit/workbench/x3/context.cpp b/src/boost/libs/spirit/workbench/x3/context.cpp
new file mode 100644
index 00000000..b7fa5637
--- /dev/null
+++ b/src/boost/libs/spirit/workbench/x3/context.cpp
@@ -0,0 +1,51 @@
+/*=============================================================================
+    Copyright (c) 2001-2013 Joel de Guzman
+
+    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)
+=============================================================================*/
+#include <boost/spirit/home/x3/support/context.hpp>
+#include <iostream>
+
+using boost::spirit::x3::make_context;
+using boost::spirit::x3::get;
+
+int bb;
+int cc;
+
+struct b_ctx;
+struct c_ctx;
+
+template <typename Context>
+void a(Context const& context)
+{
+    bb = get<b_ctx>(context);
+    cc = get<c_ctx>(context);
+}
+
+template <typename Context>
+void b(Context const& context)
+{
+    int bi = 123;
+    a(make_context<b_ctx>(bi, context));
+}
+
+void c()
+{
+    int ci = 456;
+    b(make_context<c_ctx>(ci));
+}
+
+void test()
+{
+    c();
+
+//  MSVC generates this code:
+//      mov	DWORD PTR ?bb@@3HA, 123
+//      mov	DWORD PTR ?cc@@3HA, 456
+//
+//  GCC generates this code:
+//      movl    $123,   _bb
+//      movl    $456,   _cc
+}
+