diff options
Diffstat (limited to 'src/boost/libs/spirit/workbench/x3/context.cpp')
-rw-r--r-- | src/boost/libs/spirit/workbench/x3/context.cpp | 51 |
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 +} + |