efl/src/bin/eolian_mono/eolian/mono/type.hh

89 lines
2.4 KiB
C++

#ifndef EOLIAN_MONO_TYPE_HH
#define EOLIAN_MONO_TYPE_HH
#include "grammar/generator.hpp"
#include "grammar/klass_def.hpp"
#include "grammar/case.hpp"
namespace eolian_mono {
namespace attributes = efl::eolian::grammar::attributes;
template <typename OutputIterator, typename Context>
struct visitor_generate;
struct type_generator
{
type_generator(bool is_return = false, bool is_optional = false, bool is_special_subtype = false)
: is_return(is_return)
, is_optional(is_optional)
, is_special_subtype(is_special_subtype)
{}
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::type_def const& type, Context const& context) const
{
return type.original_type.visit(visitor_generate<OutputIterator, Context>{
sink
, &context
, type.c_type
, false
, is_return
, type.is_ptr
, is_optional
, is_special_subtype
});
}
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::parameter_def const& param, Context const& context) const
{
return param.type.original_type.visit(visitor_generate<OutputIterator, Context>{
sink
, &context
, param.type.c_type
, param.direction != attributes::parameter_direction::in
, false
, param.type.is_ptr
, is_optional
, is_special_subtype
});
}
bool is_return, is_optional, is_special_subtype;
};
struct type_terminal
{
type_generator const operator()(bool is_return, bool is_optional = false, bool is_special_subtype = false) const
{
return type_generator(is_return, is_optional, is_special_subtype);
}
} const type = {};
type_generator const as_generator(type_terminal)
{
return type_generator{};
}
}
namespace efl { namespace eolian { namespace grammar {
template <>
struct is_eager_generator< ::eolian_mono::type_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::type_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::type_terminal> : std::true_type {};
namespace type_traits {
template <>
struct attributes_needed< ::eolian_mono::type_generator> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::type_terminal> : std::integral_constant<int, 1> {};
}
} } }
#endif