forked from enlightenment/efl
122 lines
4.0 KiB
C++
122 lines
4.0 KiB
C++
/*
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* Copyright 2019 by its authors. See AUTHORS.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef EOLIAN_CXX_PARAMETER_HH
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#define EOLIAN_CXX_PARAMETER_HH
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#include "grammar/generator.hpp"
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#include "grammar/klass_def.hpp"
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#include "grammar/type.hpp"
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namespace efl { namespace eolian { namespace grammar {
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struct parameter_type_generator
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{
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::parameter_def const& param, Context const& context) const
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{
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std::string dir;
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switch(param.direction)
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{
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case attributes::parameter_direction::out:
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dir = "out";
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break;
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case attributes::parameter_direction::inout:
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dir = "inout";
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break;
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case attributes::parameter_direction::in:
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dir = "in";
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break;
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case attributes::parameter_direction::unknown:
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dir = "";
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break;
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}
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attributes::regular_type_def const* typ =
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efl::eina::get<attributes::regular_type_def>(¶m.type.original_type);
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if (typ && typ->is_function_ptr())
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return as_generator("F").generate(sink, attributes::unused, context);
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return as_generator
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(
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" ::efl::eolian::" << string << "_traits<"
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<< type << ">::type"
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).generate(sink, std::make_tuple(dir, param), context);
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}
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};
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template <>
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struct is_eager_generator<parameter_type_generator> : std::true_type {};
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template <>
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struct is_generator<parameter_type_generator> : std::true_type {};
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namespace type_traits {
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template <>
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struct attributes_needed<parameter_type_generator> : std::integral_constant<int, 1> {};
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}
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parameter_type_generator const parameter_type = {};
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/* */
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struct parameter_generator
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{
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::parameter_def const& param, Context const& context) const
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{
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return as_generator(parameter_type << " " << string).generate(sink, std::make_tuple(param, param.param_name), context);
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}
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};
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template <>
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struct is_eager_generator<parameter_generator> : std::true_type {};
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template <>
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struct is_generator<parameter_generator> : std::true_type {};
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namespace type_traits {
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template <>
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struct attributes_needed<parameter_generator> : std::integral_constant<int, 1> {};
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}
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parameter_generator const parameter = {};
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/* */
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struct parameter_as_argument_generator
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{
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::parameter_def const& param, Context const& context) const
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{
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attributes::parameter_def param_copy = param;
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if (param.direction == attributes::parameter_direction::in)
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param_copy.direction = attributes::parameter_direction::out;
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else if (param.direction == attributes::parameter_direction::out)
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param_copy.direction = attributes::parameter_direction::in;
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return as_generator(parameter_type << "(" << string << ")")
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.generate(sink, std::make_tuple(param_copy, param_copy.param_name), context);
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}
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};
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template <>
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struct is_eager_generator<parameter_as_argument_generator> : std::true_type {};
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template <>
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struct is_generator<parameter_as_argument_generator> : std::true_type {};
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namespace type_traits {
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template <>
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struct attributes_needed<parameter_as_argument_generator> : std::integral_constant<int, 1> {};
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}
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parameter_as_argument_generator const parameter_as_argument = {};
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} } }
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#endif
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