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#ifndef EOLIAN_CXX_C_TYPE_HH
#define EOLIAN_CXX_C_TYPE_HH
#include "grammar/generator.hpp"
#include "grammar/klass_def.hpp"
#include "grammar/string.hpp"
#include "grammar/cxx_class_name.hpp"
namespace efl { namespace eolian { namespace grammar { namespace attributes {
struct c_type_visitor
{
std::string const* c_type;
typedef std::string result_type;
std::string operator()(attributes::klass_name const& name) const
{
std::string n;
as_generator(" ::" << *(string << "_") << string << string << "*")
.generate(std::back_insert_iterator<std::string>(n)
, std::make_tuple(name.namespaces, name.eolian_name
, std::string{name.base_qualifier & qualifier_info::is_const ? " const" : ""})
, context_null {});
if(name.base_qualifier & qualifier_info::is_ref)
n += '*';
return n;
}
template <typename T>
std::string operator()(T const&) const
{
return *c_type;
}
};
inline std::string c_type(parameter_def const& param)
{
switch(param.direction)
{
case parameter_direction::in:
return param.type.original_type.visit(c_type_visitor{¶m.type.c_type});
case parameter_direction::out:
case parameter_direction::inout:
return param.type.original_type.visit(c_type_visitor{¶m.type.c_type}) + "*";
default:
throw std::runtime_error("Unknown parameter direction");
};
}
}
struct c_type_generator
{
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::parameter_def const& attribute, Context const& context) const
{
return as_generator(attributes::c_type(attribute)).generate(sink, attributes::unused, context);
}
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::type_def const& attribute, Context const& context) const
{
return as_generator(attribute.original_type.visit(attributes::c_type_visitor{&attribute.c_type}))
.generate(sink, attributes::unused, context);
}
};
template <>
struct is_eager_generator<c_type_generator> : std::true_type {};
template <>
struct is_generator<c_type_generator> : std::true_type {};
namespace type_traits {
template <>
struct attributes_needed<c_type_generator> : std::integral_constant<int, 1> {};
}
c_type_generator const c_type = {};
} } }
#endif
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