efl/src/lib/eolian_cxx/grammar/converting_argument.hpp

87 lines
2.7 KiB
C++

/*
* Copyright 2019 by its authors. See AUTHORS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef EOLIAN_CXX_CONVERTING_ARGUMENT_HH
#define EOLIAN_CXX_CONVERTING_ARGUMENT_HH
#include "grammar/generator.hpp"
#include "grammar/klass_def.hpp"
#include "grammar/string.hpp"
#include "grammar/indentation.hpp"
#include "grammar/list.hpp"
#include "grammar/alternative.hpp"
#include "grammar/type.hpp"
#include "grammar/parameter.hpp"
#include "grammar/function_definition.hpp"
#include "grammar/namespace.hpp"
#include "grammar/c_type.hpp"
#include "grammar/attribute_reorder.hpp"
namespace efl { namespace eolian { namespace grammar {
struct converting_argument_generator
{
struct
{
typedef bool result_type;
template <typename T>
bool operator()(T const&) const { return false;}
bool operator()(attributes::regular_type_def const& r) const
{
return r.is_function_ptr();
}
} static const is_function_ptr;
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::parameter_def const& param, Context const& ctx) const
{
attributes::qualifier_def qualifier = param.type.original_type.visit(attributes::get_qualifier_visitor{});
if (param.type.original_type.visit(this->is_function_ptr))
{
return as_generator("fw_" << param.param_name << "->data_to_c(), fw_" << param.param_name << "->func_to_c(), fw_"
<< param.param_name << "->free_to_c()")
.generate(sink, param, ctx);
}
else
return as_generator
(
attribute_reorder<-1, -1, 2>
(
" ::efl::eolian::convert_to_c<" << c_type
<< ", " << parameter_type
<< (qualifier & qualifier_info::is_own
? ", true" : "")
<< ">(" << string << ")"
)
).generate(sink, param, ctx);
}
};
template <>
struct is_eager_generator<converting_argument_generator> : std::true_type {};
template <>
struct is_generator<converting_argument_generator> : std::true_type {};
namespace type_traits {
template <>
struct attributes_needed<converting_argument_generator> : std::integral_constant<int, 1> {};
}
converting_argument_generator const converting_argument = {};
} } }
#endif