TraceableException.hh

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/*
 * Copyright 2021 Assured Information Security, Inc.
 *
 * 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.
 */
#pragma once
 
#include <memory>
#include <ostream>
#include <stdexcept>
#include <string>
 
namespace introvirt {
 
class TraceableException : public std::runtime_error {
  public:
    int error_code() const;
 
    TraceableException(TraceableException&&) noexcept;
 
    TraceableException& operator=(TraceableException&&) noexcept;
 
    ~TraceableException() override;
 
  protected:
    explicit TraceableException(const std::string& msg);
 
    TraceableException(const std::string& msg, int err);
 
  private:
    friend std::ostream& operator<<(std::ostream& os, const TraceableException& error);
 
    class IMPL;
    std::unique_ptr<IMPL> pImpl_;
};
 
std::ostream& operator<<(std::ostream& os, const TraceableException& error);
 
} // namespace introvirt