71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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This file is part of progminer.
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progminer is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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progminer is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with progminer. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Exceptions.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#pragma once
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#include <exception>
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#include <string>
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#include <boost/exception/all.hpp>
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#include <boost/throw_exception.hpp>
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#include "CommonData.h"
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#include "FixedHash.h"
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namespace dev
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{
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/// Base class for all exceptions.
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struct Exception : virtual std::exception, virtual boost::exception
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{
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Exception(const std::string& _message = std::string()) : m_message(std::move(_message)) {}
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const char* what() const noexcept override
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{
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return m_message.empty() ? std::exception::what() : m_message.c_str();
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}
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private:
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std::string m_message;
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};
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#define DEV_SIMPLE_EXCEPTION(X) \
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struct X : virtual Exception \
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{ \
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const char* what() const noexcept override { return #X; } \
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}
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DEV_SIMPLE_EXCEPTION(BadHexCharacter);
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struct ExternalFunctionFailure : virtual Exception
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{
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public:
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ExternalFunctionFailure(const std::string& _f) : Exception("Function " + _f + "() failed.") {}
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};
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// error information to be added to exceptions
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using errinfo_invalidSymbol = boost::error_info<struct tag_invalidSymbol, char>;
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using errinfo_comment = boost::error_info<struct tag_comment, std::string>;
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using errinfo_required = boost::error_info<struct tag_required, bigint>;
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using errinfo_got = boost::error_info<struct tag_got, bigint>;
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using RequirementError = boost::tuple<errinfo_required, errinfo_got>;
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} // namespace dev
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