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112 lines
3.1 KiB
112 lines
3.1 KiB
10 years ago
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/*
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This file is part of cpp-ethereum.
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cpp-ethereum 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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cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file Assertions.h
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* @author Christian <c@ethdev.com>
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* @date 2015
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*
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* Assertion handling.
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*/
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#pragma once
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#include "Exceptions.h"
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#include "debugbreak.h"
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namespace dev
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{
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#if defined(_MSC_VER)
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#define ETH_FUNC __FUNCSIG__
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#elif defined(__GNUC__)
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#define ETH_FUNC __PRETTY_FUNCTION__
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#else
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#define ETH_FUNC __func__
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#endif
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#define asserts(A) ::dev::assertAux(A, #A, __LINE__, __FILE__, ETH_FUNC)
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#define assertsEqual(A, B) ::dev::assertEqualAux(A, B, #A, #B, __LINE__, __FILE__, ETH_FUNC)
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inline bool assertAux(bool _a, char const* _aStr, unsigned _line, char const* _file, char const* _func)
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{
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bool ret = _a;
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if (!ret)
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{
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std::cerr << "Assertion failed:" << _aStr << " [func=" << _func << ", line=" << _line << ", file=" << _file << "]" << std::endl;
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#if ETH_DEBUG
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debug_break();
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#endif
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}
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return !ret;
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}
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template<class A, class B>
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inline bool assertEqualAux(A const& _a, B const& _b, char const* _aStr, char const* _bStr, unsigned _line, char const* _file, char const* _func)
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{
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bool ret = _a == _b;
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if (!ret)
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{
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std::cerr << "Assertion failed: " << _aStr << " == " << _bStr << " [func=" << _func << ", line=" << _line << ", file=" << _file << "]" << std::endl;
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std::cerr << " Fail equality: " << _a << "==" << _b << std::endl;
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#if ETH_DEBUG
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debug_break();
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#endif
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}
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return !ret;
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}
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/// Assertion that throws an exception containing the given description if it is not met.
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/// Use it as assertThrow(1 == 1, ExceptionType, "Mathematics is wrong.");
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/// Do NOT supply an exception object as the second parameter.
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#define assertThrow(_condition, _ExceptionType, _description) \
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::dev::assertThrowAux<_ExceptionType>(_condition, _description, __LINE__, __FILE__, ETH_FUNC)
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using errinfo_comment = boost::error_info<struct tag_comment, std::string>;
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template <class _ExceptionType>
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inline void assertThrowAux(
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bool _condition,
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::std::string const& _errorDescription,
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unsigned _line,
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char const* _file,
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char const* _function
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)
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{
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if (!_condition)
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::boost::throw_exception(
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_ExceptionType() <<
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::dev::errinfo_comment(_errorDescription) <<
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::boost::throw_function(_function) <<
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::boost::throw_file(_file) <<
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::boost::throw_line(_line)
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);
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}
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template <class _ExceptionType>
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inline void assertThrowAux(
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void const* _pointer,
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::std::string const& _errorDescription,
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unsigned _line,
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char const* _file,
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char const* _function
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)
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{
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assertThrowAux<_ExceptionType>(_pointer != nullptr, _errorDescription, _line, _file, _function);
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}
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}
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