King_DuckZ/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout synced 2025-08-03 12:49:50 +00:00
Code Issues Releases Wiki Activity

sprout/weed.hpp 追加

Browse source
This commit is contained in:
bolero-MURAKAMI 2011-11-13 17:54:38 +09:00
parent 8103682fdb
commit ecfc2b297a
96 changed files with 5127 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

68
sprout/weed/context/parse_context/terminal/parser.hpp Normal file
View file

@ -0,0 +1,68 @@
#ifndef SPROUT_WEED_CONTEXT_PARSE_CONTEXT_TERMINAL_PARSER_HPP
#define SPROUT_WEED_CONTEXT_PARSE_CONTEXT_TERMINAL_PARSER_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sprout/weed/eval_result.hpp>
#include <sprout/weed/expr/tag.hpp>
#include <sprout/weed/traits/type/is_char_type.hpp>
#include <sprout/weed/traits/type/is_string.hpp>
#include <sprout/weed/traits/expr/tag_of.hpp>
#include <sprout/weed/traits/parser/attribute_of.hpp>
#include <sprout/weed/context/parse_context_fwd.hpp>
namespace sprout {
namespace weed {
//
// parse_context::eval
//
template<typename Iterator>
template<typename Expr>
struct parse_context<Iterator>::eval<
Expr,
typename std::enable_if<
std::is_same<
typename sprout::weed::traits::tag_of<Expr>::type,
sprout::weed::tag::terminal
>::value
&& !sprout::weed::traits::is_char_type<
typename sprout::tuples::tuple_element<0, typename Expr::args_type>::type
>::value
&& !sprout::weed::traits::is_string<
typename sprout::tuples::tuple_element<0, typename Expr::args_type>::type
>::value
>::type
> {
private:
typedef sprout::weed::parse_context<Iterator> context_type;
typedef typename sprout::tuples::tuple_element<0, typename Expr::args_type>::type parser_type;
public:
typedef typename sprout::weed::traits::attribute_of<Expr, Iterator, context_type>::type attribute_type;
typedef sprout::weed::eval_result<context_type, Iterator, attribute_type> result_type;
private:
template<typename Result>
SPROUT_CONSTEXPR result_type call(
Result const& res,
context_type const& ctx
) const
{
return result_type(res, context_type(ctx, res.current()));
}
public:
SPROUT_CONSTEXPR result_type operator()(
Expr const& expr,
context_type const& ctx
) const
{
return call(
sprout::tuples::get<0>(expr.args())
.template operator()(ctx.begin(), ctx.end(), ctx),
ctx
);
}
};
} // namespace weed
} // namespace sprout
#endif // #ifndef SPROUT_WEED_CONTEXT_PARSE_CONTEXT_TERMINAL_PARSER_HPP