summaryrefslogtreecommitdiff
path: root/src/dpl/core/include/dpl/exception.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/dpl/core/include/dpl/exception.h')
-rw-r--r--src/dpl/core/include/dpl/exception.h385
1 files changed, 385 insertions, 0 deletions
diff --git a/src/dpl/core/include/dpl/exception.h b/src/dpl/core/include/dpl/exception.h
new file mode 100644
index 0000000..f7b9afc
--- /dev/null
+++ b/src/dpl/core/include/dpl/exception.h
@@ -0,0 +1,385 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * 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.
+ */
+/*
+ * @file exception.h
+ * @author Przemyslaw Dobrowolski (p.dobrowolsk@samsung.com)
+ * @version 1.0
+ * @brief Header file for base exception
+ */
+#ifndef CCHECKER_EXCEPTION_H
+#define CCHECKER_EXCEPTION_H
+
+#include <string>
+#include <cstring>
+#include <cstdio>
+#include <exception>
+#include <cstdlib>
+#include <sstream>
+
+namespace CCHECKER {
+void LogUnhandledException(const std::string &str);
+void LogUnhandledException(const std::string &str,
+ const char *filename,
+ int line,
+ const char *function);
+}
+
+namespace CCHECKER {
+class Exception
+{
+ private:
+ static unsigned int m_exceptionCount;
+ static Exception* m_lastException;
+ static void (*m_terminateHandler)();
+
+ static void AddRef(Exception* exception)
+ {
+ if (!m_exceptionCount) {
+ m_terminateHandler = std::set_terminate(&TerminateHandler);
+ }
+
+ ++m_exceptionCount;
+ m_lastException = exception;
+ }
+
+ static void UnRef(Exception* e)
+ {
+ if (m_lastException == e) {
+ m_lastException = NULL;
+ }
+
+ --m_exceptionCount;
+
+ if (!m_exceptionCount) {
+ std::set_terminate(m_terminateHandler);
+ m_terminateHandler = NULL;
+ }
+ }
+
+ static void TerminateHandler()
+ {
+ if (m_lastException != NULL) {
+ DisplayKnownException(*m_lastException);
+ abort();
+ } else {
+ DisplayUnknownException();
+ abort();
+ }
+ }
+
+ Exception *m_reason;
+ std::string m_path;
+ std::string m_function;
+ int m_line;
+
+ protected:
+ std::string m_message;
+ std::string m_className;
+
+ public:
+ static std::string KnownExceptionToString(const Exception &e)
+ {
+ std::ostringstream message;
+ message <<
+ "\033[1;5;31m\n=== Unhandled CCHECKER exception occurred ===\033[m\n\n";
+ message << "\033[1;33mException trace:\033[m\n\n";
+ message << e.DumpToString();
+ message << "\033[1;31m\n=== Will now abort ===\033[m\n";
+
+ return message.str();
+ }
+
+ static std::string UnknownExceptionToString()
+ {
+ std::ostringstream message;
+ message <<
+ "\033[1;5;31m\n=== Unhandled non-CCHECKER exception occurred ===\033[m\n\n";
+ message << "\033[1;31m\n=== Will now abort ===\033[m\n";
+
+ return message.str();
+ }
+
+ static void DisplayKnownException(const Exception& e)
+ {
+ LogUnhandledException(KnownExceptionToString(e).c_str());
+ }
+
+ static void DisplayUnknownException()
+ {
+ LogUnhandledException(UnknownExceptionToString().c_str());
+ }
+
+ Exception(const Exception &other)
+ {
+ // Deep copy
+ if (other.m_reason != NULL) {
+ m_reason = new Exception(*other.m_reason);
+ } else {
+ m_reason = NULL;
+ }
+
+ m_message = other.m_message;
+ m_path = other.m_path;
+ m_function = other.m_function;
+ m_line = other.m_line;
+
+ m_className = other.m_className;
+
+ AddRef(this);
+ }
+
+ const Exception &operator =(const Exception &other)
+ {
+ if (this == &other) {
+ return *this;
+ }
+
+ // Deep copy
+ if (other.m_reason != NULL) {
+ m_reason = new Exception(*other.m_reason);
+ } else {
+ m_reason = NULL;
+ }
+
+ m_message = other.m_message;
+ m_path = other.m_path;
+ m_function = other.m_function;
+ m_line = other.m_line;
+
+ m_className = other.m_className;
+
+ AddRef(this);
+
+ return *this;
+ }
+
+ Exception(const char *path,
+ const char *function,
+ int line,
+ const std::string &message) :
+ m_reason(NULL),
+ m_path(path),
+ m_function(function),
+ m_line(line),
+ m_message(message)
+ {
+ AddRef(this);
+ }
+
+ Exception(const char *path,
+ const char *function,
+ int line,
+ const Exception &reason,
+ const std::string &message) :
+ m_reason(new Exception(reason)),
+ m_path(path),
+ m_function(function),
+ m_line(line),
+ m_message(message)
+ {
+ AddRef(this);
+ }
+
+ virtual ~Exception() throw()
+ {
+ if (m_reason != NULL) {
+ delete m_reason;
+ m_reason = NULL;
+ }
+
+ UnRef(this);
+ }
+
+ void Dump() const
+ {
+ // Show reason first
+ if (m_reason != NULL) {
+ m_reason->Dump();
+ }
+
+ // Afterward, dump exception
+ const char *file = strchr(m_path.c_str(), '/');
+
+ if (file == NULL) {
+ file = m_path.c_str();
+ } else {
+ ++file;
+ }
+
+ printf("\033[0;36m[%s:%i]\033[m %s() \033[4;35m%s\033[m: %s\033[m\n",
+ file, m_line,
+ m_function.c_str(),
+ m_className.c_str(),
+ m_message.empty() ? "<EMPTY>" : m_message.c_str());
+ }
+
+ std::string DumpToString() const
+ {
+ std::string ret;
+ if (m_reason != NULL) {
+ ret = m_reason->DumpToString();
+ }
+
+ const char *file = strchr(m_path.c_str(), '/');
+
+ if (file == NULL) {
+ file = m_path.c_str();
+ } else {
+ ++file;
+ }
+
+ char buf[1024];
+ snprintf(buf,
+ sizeof(buf),
+ "\033[0;36m[%s:%i]\033[m %s() \033[4;35m%s\033[m: %s\033[m\n",
+ file,
+ m_line,
+ m_function.c_str(),
+ m_className.c_str(),
+ m_message.empty() ? "<EMPTY>" : m_message.c_str());
+
+ buf[sizeof(buf) - 1] = '\n';
+ ret += buf;
+
+ return ret;
+ }
+
+ Exception *GetReason() const
+ {
+ return m_reason;
+ }
+
+ std::string GetPath() const
+ {
+ return m_path;
+ }
+
+ std::string GetFunction() const
+ {
+ return m_function;
+ }
+
+ int GetLine() const
+ {
+ return m_line;
+ }
+
+ std::string GetMessage() const
+ {
+ return m_message;
+ }
+
+ std::string GetClassName() const
+ {
+ return m_className;
+ }
+};
+} // namespace CCHECKER
+
+#define Try try
+
+#define Throw(ClassName) \
+ throw ClassName(__FILE__, __FUNCTION__, __LINE__)
+
+#define ThrowMsg(ClassName, Message) \
+ do \
+ { \
+ std::ostringstream dplLoggingStream; \
+ dplLoggingStream << Message; \
+ throw ClassName(__FILE__, __FUNCTION__, __LINE__, dplLoggingStream.str()); \
+ } while (0)
+
+#define ReThrow(ClassName) \
+ throw ClassName(__FILE__, __FUNCTION__, __LINE__, _rethrown_exception)
+
+#define ReThrowMsg(ClassName, Message) \
+ throw ClassName(__FILE__, \
+ __FUNCTION__, \
+ __LINE__, \
+ _rethrown_exception, \
+ Message)
+
+#define Catch(ClassName) \
+ catch (const ClassName &_rethrown_exception)
+
+#define DECLARE_EXCEPTION_TYPE(BaseClass, Class) \
+ class Class : \
+ public BaseClass \
+ { \
+ public: \
+ Class(const char *path, \
+ const char *function, \
+ int line, \
+ const std::string & message = std::string()) : \
+ BaseClass(path, function, line, message) \
+ { \
+ BaseClass::m_className = #Class; \
+ } \
+ \
+ Class(const char *path, \
+ const char *function, \
+ int line, \
+ const CCHECKER::Exception & reason, \
+ const std::string & message = std::string()) : \
+ BaseClass(path, function, line, reason, message) \
+ { \
+ BaseClass::m_className = #Class; \
+ } \
+ };
+
+#define UNHANDLED_EXCEPTION_HANDLER_BEGIN try
+
+#define UNHANDLED_EXCEPTION_HANDLER_END \
+ catch (const CCHECKER::Exception &exception) \
+ { \
+ std::ostringstream msg; \
+ msg << CCHECKER::Exception::KnownExceptionToString(exception); \
+ CCHECKER::LogUnhandledException(msg.str(), __FILE__, __LINE__, __FUNCTION__); \
+ abort(); \
+ } \
+ catch (std::exception& e) \
+ { \
+ std::ostringstream msg; \
+ msg << e.what(); \
+ msg << "\n"; \
+ msg << CCHECKER::Exception::UnknownExceptionToString(); \
+ CCHECKER::LogUnhandledException(msg.str(), __FILE__, __LINE__, __FUNCTION__); \
+ abort(); \
+ } \
+ catch (...) \
+ { \
+ std::ostringstream msg; \
+ msg << CCHECKER::Exception::UnknownExceptionToString(); \
+ CCHECKER::LogUnhandledException(msg.str(), __FILE__, __LINE__, __FUNCTION__); \
+ abort(); \
+ }
+
+namespace CCHECKER {
+namespace CommonException {
+/**
+ * Internal exception definitions
+ *
+ * These should normally not happen.
+ * Usually, exception trace with internal error includes
+ * important messages.
+ */
+DECLARE_EXCEPTION_TYPE(Exception, InternalError) ///< Unexpected error from
+ // underlying libraries or
+ // kernel
+}
+}
+
+#endif // CCHECKER_EXCEPTION_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 16:39:31 +0000