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

146 lines
4.7 KiB
C++

#ifndef EOLIAN_MONO_ASYNC_FUNCTION_DEFINITION_HH
#define EOLIAN_MONO_ASYNC_FUNCTION_DEFINITION_HH
#include <Eina.hh>
#include "grammar/generator.hpp"
#include "grammar/klass_def.hpp"
#include "grammar/indentation.hpp"
#include "grammar/list.hpp"
#include "grammar/alternative.hpp"
#include "grammar/attribute_reorder.hpp"
#include "logging.hh"
#include "type.hh"
#include "name_helpers.hh"
#include "helpers.hh"
#include "function_helpers.hh"
#include "marshall_type.hh"
#include "parameter.hh"
#include "documentation.hh"
#include "using_decl.hh"
#include "generation_contexts.hh"
#include "blacklist.hh"
namespace eolian_mono {
struct is_future
{
typedef is_future visitor_type;
typedef bool result_type;
bool operator()(grammar::attributes::complex_type_def const& c) const
{
return c.outer.base_type == "future";
}
template<typename T>
bool operator()(T const&) const
{
return false;
}
};
struct async_function_declaration_generator
{
template<typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::function_def const& f, Context const& context) const
{
if (f.is_static)
return true;
if (blacklist::is_function_blacklisted(f.c_name))
return true;
if (!f.return_type.original_type.visit(is_future{}))
return true;
if (!as_generator(
scope_tab << "System.Threading.Tasks.Task<Eina.Value> " << name_helpers::managed_async_method_name(f) << "(" << *(parameter << ",") <<
" System.Threading.CancellationToken token=default(System.Threading.CancellationToken));\n"
).generate(sink, f.parameters, context))
return false;
return true;
}
} const async_function_declaration {};
struct async_function_definition_generator
{
async_function_definition_generator(bool do_super = false)
: do_super(do_super)
{}
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::function_def const& f, Context const& context) const
{
EINA_CXX_DOM_LOG_DBG(eolian_mono::domain) << "async_function_definition_generator: " << f.c_name;
if(do_super && f.is_static) // Static methods goes only on Concrete classes.
return true;
if(blacklist::is_function_blacklisted(f.c_name))
return true;
if(!f.return_type.original_type.visit(is_future{}))
return true;
auto parameter_forwarding = [](attributes::parameter_def const& param) {
return direction_modifier(param) + " " + name_helpers::escape_keyword(param.param_name);
};
std::vector<std::string> param_forwarding;
std::transform(f.parameters.begin(), f.parameters.end(), std::back_inserter(param_forwarding), parameter_forwarding);
if(!as_generator(
scope_tab << "public System.Threading.Tasks.Task<Eina.Value> " << name_helpers::managed_async_method_name(f) << "(" << *(parameter << ",") << " System.Threading.CancellationToken token=default(System.Threading.CancellationToken))\n"
<< scope_tab << "{\n"
<< scope_tab << scope_tab << "Eina.Future future = " << name_helpers::managed_method_name(f) << "(" << (string % ",") << ");\n"
<< scope_tab << scope_tab << "return Efl.Eo.Globals.WrapAsync(future, token);\n"
<< scope_tab << "}\n"
).generate(sink, std::make_tuple(f.parameters, param_forwarding), context))
return false;
return true;
}
bool do_super;
};
struct async_function_definition_parameterized
{
async_function_definition_generator operator()(bool do_super=false) const
{
return {do_super};
}
} const async_function_definition;
async_function_definition_generator as_generator(async_function_definition_parameterized)
{
return {};
}
}
namespace efl { namespace eolian { namespace grammar {
template <>
struct is_eager_generator< ::eolian_mono::async_function_declaration_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::async_function_declaration_generator> : std::true_type {};
template <>
struct is_eager_generator< ::eolian_mono::async_function_definition_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::async_function_definition_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::async_function_definition_parameterized> : std::true_type {};
namespace type_traits {
template <>
struct attributes_needed< ::eolian_mono::async_function_declaration_generator> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::async_function_definition_generator> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::async_function_definition_parameterized> : std::integral_constant<int, 1> {};
}
} } }
#endif