wehub-resource-sync
126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/* Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#if defined(_MSVC_LANG)
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#define PD_CPLUSPLUS _MSVC_LANG
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#else
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#define PD_CPLUSPLUS __cplusplus
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#endif
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#include <iostream>
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#if PD_CPLUSPLUS >= 201703L
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#include <optional>
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#define PD_HAS_STD_OPTIONAL 1
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#endif
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#include <sstream>
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#include <string>
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namespace common {
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//////////////// Exception handling and Error Message /////////////////
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#if !defined(_WIN32)
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#define PD_UNLIKELY(expr) (__builtin_expect(static_cast<bool>(expr), 0))
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#define PD_LIKELY(expr) (__builtin_expect(static_cast<bool>(expr), 1))
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#else
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#define PD_UNLIKELY(expr) (expr)
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#define PD_LIKELY(expr) (expr)
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#endif
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struct PD_Exception : public std::exception {
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public:
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template <typename... Args>
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explicit PD_Exception(const std::string& msg,
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const char* file,
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int line,
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const char* default_msg) {
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std::ostringstream sout;
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if (msg.empty()) {
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sout << default_msg << "\n [" << file << ":" << line << "]";
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} else {
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sout << msg << "\n [" << file << ":" << line << "]";
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}
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err_msg_ = sout.str();
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}
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const char* what() const noexcept override { return err_msg_.c_str(); }
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private:
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std::string err_msg_;
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};
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class ErrorMessage {
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public:
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template <typename... Args>
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explicit ErrorMessage(const Args&... args) {
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build_string(args...);
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}
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void build_string() { oss << ""; }
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template <typename T>
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void build_string(const T& t) {
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oss << t;
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}
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#ifdef PD_HAS_STD_OPTIONAL
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template <typename T>
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void build_string(const std::optional<T>& t) {
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if (t.has_value()) {
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build_string(*t);
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} else {
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oss << "nullopt";
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}
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}
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#endif
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template <typename T, typename... Args>
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void build_string(const T& t, const Args&... args) {
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build_string(t);
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build_string(args...);
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}
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std::string to_string() { return oss.str(); }
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private:
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std::ostringstream oss;
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};
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#define PD_CHECK(COND, ...) \
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do { \
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if (PD_UNLIKELY(!(COND))) { \
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auto __message__ = ::common::ErrorMessage(__VA_ARGS__).to_string(); \
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throw ::common::PD_Exception(__message__, \
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__FILE__, \
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__LINE__, \
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"Expected " #COND \
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", but it's not satisfied."); \
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} \
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} while (0)
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#define PD_THROW(...) \
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do { \
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auto __message__ = ::common::ErrorMessage(__VA_ARGS__).to_string(); \
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throw ::common::PD_Exception( \
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__message__, __FILE__, __LINE__, "An error occurred."); \
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} while (0)
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#ifdef PD_HAS_STD_OPTIONAL
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#undef PD_HAS_STD_OPTIONAL
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#endif
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#undef PD_CPLUSPLUS
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} // namespace common
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