diff options
Diffstat (limited to 'boost/spirit/home/x3/nonterminal/rule.hpp')
| -rw-r--r-- | boost/spirit/home/x3/nonterminal/rule.hpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/boost/spirit/home/x3/nonterminal/rule.hpp b/boost/spirit/home/x3/nonterminal/rule.hpp index ffed1fe965..10734deb7f 100644 --- a/boost/spirit/home/x3/nonterminal/rule.hpp +++ b/boost/spirit/home/x3/nonterminal/rule.hpp @@ -151,6 +151,21 @@ namespace boost { namespace spirit { namespace x3 BOOST_SPIRIT_DECLARE_, _, BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__)) \ /***/ +#if BOOST_WORKAROUND(BOOST_MSVC, < 1910) +#define BOOST_SPIRIT_DEFINE_(r, data, rule_name) \ + using BOOST_PP_CAT(rule_name, _synonym) = decltype(rule_name); \ + template <typename Iterator, typename Context, typename Attribute> \ + inline bool parse_rule( \ + BOOST_PP_CAT(rule_name, _synonym) /* rule_ */ \ + , Iterator& first, Iterator const& last \ + , Context const& context, Attribute& attr) \ + { \ + using boost::spirit::x3::unused; \ + static auto const def_ = (rule_name = BOOST_PP_CAT(rule_name, _def)); \ + return def_.parse(first, last, context, unused, attr); \ + } \ + /***/ +#else #define BOOST_SPIRIT_DEFINE_(r, data, rule_name) \ template <typename Iterator, typename Context, typename Attribute> \ inline bool parse_rule( \ @@ -163,6 +178,7 @@ namespace boost { namespace spirit { namespace x3 return def_.parse(first, last, context, unused, attr); \ } \ /***/ +#endif #define BOOST_SPIRIT_DEFINE(...) BOOST_PP_SEQ_FOR_EACH( \ BOOST_SPIRIT_DEFINE_, _, BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__)) \ |