wehub-resource-sync
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
// Copyright 2017 The Ray 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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#pragma once
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#include <ray/api/function_manager.h>
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#include <ray/api/overload.h>
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#include "boost/utility/string_view.hpp"
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namespace ray {
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namespace internal {
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inline static std::vector<boost::string_view> GetFunctionNames(boost::string_view str) {
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std::vector<boost::string_view> output;
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size_t first = 0;
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while (first < str.size()) {
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auto second = str.find_first_of(",", first);
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if (first != second) {
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auto sub_str = str.substr(first, second - first);
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if (sub_str.find_first_of('(') != boost::string_view::npos) {
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second = str.find_first_of(")", first) + 1;
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}
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if (str[first] == ' ') {
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first++;
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}
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auto name = str.substr(first, second - first);
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if (name.back() == ' ') {
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name.remove_suffix(1);
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}
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output.emplace_back(name);
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}
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if (second == boost::string_view::npos) break;
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first = second + 1;
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}
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return output;
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}
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template <typename T, typename... U>
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inline static int RegisterRemoteFunctions(const T &t, U... u) {
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int index = 0;
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const auto func_names = GetFunctionNames(t);
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(void)std::initializer_list<int>{
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(FunctionManager::Instance().RegisterRemoteFunction(
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std::string(func_names[index].data(), func_names[index].length()), u),
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index++,
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0)...};
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return 0;
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}
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#define CONCATENATE_DIRECT(s1, s2) s1##s2
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#define CONCATENATE(s1, s2) CONCATENATE_DIRECT(s1, s2)
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#ifdef _MSC_VER
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#define ANONYMOUS_VARIABLE(str) CONCATENATE(str, __COUNTER__)
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#else
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#define ANONYMOUS_VARIABLE(str) CONCATENATE(str, __LINE__)
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#endif
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} // namespace internal
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#define RAY_REMOTE(...) \
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inline auto ANONYMOUS_VARIABLE(var) = \
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ray::internal::RegisterRemoteFunctions(#__VA_ARGS__, __VA_ARGS__);
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#define RAY_FUNC(f, ...) ray::internal::underload<__VA_ARGS__>(f)
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} // namespace ray
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