progminer zano miner fork https://github.com/hyle-team/progminer

zano/libdevcore/Exceptions.h

@@ -0,0 +1,70 @@
+/*
+    This file is part of progminer.
+
+    progminer 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.
+
+    progminer 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 progminer.  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/all.hpp>
+#include <boost/throw_exception.hpp>
+
+#include "CommonData.h"
+#include "FixedHash.h"
+
+namespace dev
+{
+/// Base class for all exceptions.
+struct Exception : virtual std::exception, virtual boost::exception
+{
+    Exception(const 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; } \
+    }
+
+
+DEV_SIMPLE_EXCEPTION(BadHexCharacter);
+
+struct ExternalFunctionFailure : virtual Exception
+{
+public:
+    ExternalFunctionFailure(const 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_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 RequirementError = boost::tuple<errinfo_required, errinfo_got>;
+
+}  // namespace dev