1 files changed, 87 insertions, 0 deletions
diff --git a/libdevcore/Exceptions.h b/libdevcore/Exceptions.h
new file mode 100644
index 00000000..a6c1f9ab
--- /dev/null
+++ b/libdevcore/Exceptions.h
@@ -0,0 +1,87 @@
+/*
+	This file is part of cpp-ethereum.
+
+	cpp-ethereum is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	cpp-ethereum is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file Exceptions.h
+ * @author Gav Wood <i@gavwood.com>
+ * @date 2014
+ */
+
+#pragma once
+
+#include <exception>
+#include <string>
+#include <boost/exception/exception.hpp>
+#include <boost/exception/info.hpp>
+#include <boost/exception/info_tuple.hpp>
+#include <boost/exception/diagnostic_information.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/tuple/tuple.hpp>
+#include "CommonData.h"
+#include "FixedHash.h"
+
+namespace dev
+{
+
+/// Base class for all exceptions.
+struct Exception: virtual std::exception, virtual boost::exception
+{
+	Exception(std::string _message = std::string()): m_message(std::move(_message)) {}
+	const char* what() const noexcept override { return m_message.empty() ? std::exception::what() : m_message.c_str(); }
+
+private:
+	std::string m_message;
+};
+
+#define DEV_SIMPLE_EXCEPTION(X) struct X: virtual Exception { const char* what() const noexcept override { return #X; } }
+
+/// Base class for all RLP exceptions.
+struct RLPException: virtual Exception { RLPException(std::string _message = std::string()): Exception(_message) {} };
+#define DEV_SIMPLE_EXCEPTION_RLP(X) struct X: virtual RLPException { const char* what() const noexcept override { return #X; } }
+
+DEV_SIMPLE_EXCEPTION_RLP(BadCast);
+DEV_SIMPLE_EXCEPTION_RLP(BadRLP);
+DEV_SIMPLE_EXCEPTION_RLP(OversizeRLP);
+DEV_SIMPLE_EXCEPTION_RLP(UndersizeRLP);
+
+DEV_SIMPLE_EXCEPTION(BadHexCharacter);
+DEV_SIMPLE_EXCEPTION(NoNetworking);
+DEV_SIMPLE_EXCEPTION(NoUPnPDevice);
+DEV_SIMPLE_EXCEPTION(RootNotFound);
+struct BadRoot: virtual Exception { public: BadRoot(h256 const& _root): Exception("BadRoot " + _root.hex()), root(_root) {} h256 root; };
+DEV_SIMPLE_EXCEPTION(FileError);
+DEV_SIMPLE_EXCEPTION(Overflow);
+DEV_SIMPLE_EXCEPTION(FailedInvariant);
+DEV_SIMPLE_EXCEPTION(ValueTooLarge);
+
+struct InterfaceNotSupported: virtual Exception { public: InterfaceNotSupported(std::string _f): Exception("Interface " + _f + " not supported.") {} };
+struct ExternalFunctionFailure: virtual Exception { public: ExternalFunctionFailure(std::string _f): Exception("Function " + _f + "() failed.") {} };
+
+// error information to be added to exceptions
+using errinfo_invalidSymbol = boost::error_info<struct tag_invalidSymbol, char>;
+using errinfo_wrongAddress = boost::error_info<struct tag_address, std::string>;
+using errinfo_comment = boost::error_info<struct tag_comment, std::string>;
+using errinfo_required = boost::error_info<struct tag_required, bigint>;
+using errinfo_got = boost::error_info<struct tag_got, bigint>;
+using errinfo_min = boost::error_info<struct tag_min, bigint>;
+using errinfo_max = boost::error_info<struct tag_max, bigint>;
+using RequirementError = boost::tuple<errinfo_required, errinfo_got>;
+using errinfo_hash256 = boost::error_info<struct tag_hash, h256>;
+using errinfo_required_h256 = boost::error_info<struct tag_required_h256, h256>;
+using errinfo_got_h256 = boost::error_info<struct tag_get_h256, h256>;
+using Hash256RequirementError = boost::tuple<errinfo_required_h256, errinfo_got_h256>;
+using errinfo_extraData = boost::error_info<struct tag_extraData, bytes>;
+
+}