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ircd::spirit: Add custom_parser stub.

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This commit is contained in:
Jason Volk 2020-07-18 23:55:12 -07:00
parent 479c3f62ef
commit e3fe10d853
1 changed files with 52 additions and 3 deletions
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55
include/ircd/spirit.h
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@ -50,7 +50,6 @@ namespace spirit
__attribute__((visibility("default")))
{
template<class parent_error> struct expectation_failure;
struct substring_view;
IRCD_EXCEPTION(ircd::error, error);
IRCD_EXCEPTION(error, generator_error);
@ -176,6 +175,10 @@ namespace ircd {
namespace spirit
__attribute__((visibility("internal")))
{
struct substring_view;
struct custom_parser;
BOOST_SPIRIT_TERMINAL(custom);
template<class gen,
class... attr>
bool parse(const char *&start, const char *const &stop, gen&&, attr&&...);
@ -198,12 +201,58 @@ namespace ircd
using spirit::parse;
}
namespace ircd {
namespace boost {
namespace spirit
__attribute__((visibility("default")))
__attribute__((visibility("internal")))
{
namespace qi
{
template<class modifiers>
struct make_primitive<ircd::spirit::tag::custom, modifiers>;
}
template<>
struct use_terminal<qi::domain, ircd::spirit::tag::custom>
:mpl::true_
{};
}}
struct [[gnu::visibility("internal")]]
ircd::spirit::custom_parser
:qi::primitive_parser<custom_parser>
{
template<class context,
class iterator>
struct attribute
{
using type = iterator;
};
template<class context>
boost::spirit::info what(context &) const
{
return boost::spirit::info("custom");
}
template<class iterator,
class context,
class skipper,
class attr>
bool parse(iterator &, const iterator &, context &, const skipper &, attr &) const;
};
template<class modifiers>
struct [[gnu::visibility("internal")]]
boost::spirit::qi::make_primitive<ircd::spirit::tag::custom, modifiers>
{
using result_type = ircd::spirit::custom_parser;
result_type operator()(unused_type, unused_type) const
{
return result_type{};
}
};
struct ircd::spirit::substring_view
:ircd::string_view
{