dawn-cmake/generator/templates/apicpp_traits.h

44 lines
1.2 KiB
C++

//* Copyright 2017 The Dawn 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 NXTCPP_TRAITS_H
#define NXTCPP_TRAITS_H
#include "dawncpp.h"
#include <type_traits>
namespace nxt {
template<typename Builder>
using BuiltObject = decltype(std::declval<Builder>().GetResult());
template<typename BuiltObject>
struct BuiltObjectTrait {
};
{% for type in by_category["object"] if type.is_builder %}
template<>
struct BuiltObjectTrait<BuiltObject<{{as_cppType(type.name)}}>> {
using Builder = {{as_cppType(type.name)}};
};
{% endfor %}
template<typename BuiltObject>
using Builder = typename BuiltObjectTrait<BuiltObject>::Builder;
}
#endif // NXTCPP_TRAITS_H