pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/common/Exception.hh

138 lines
4.5 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* 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.
*
*/
/*
* Author: Nathan Koenig
* Date: 07 May 2007
*/
#ifndef _GAZEBO_EXCEPTION_HH_
#define _GAZEBO_EXCEPTION_HH_
#include <iostream>
#include <sstream>
#include <string>
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace common
{
/// \addtogroup gazebo_common
/// \{
/// \brief This macro logs an error to the throw stream and throws
/// an exception that contains the file name and line number.
#define gzthrow(msg) {std::ostringstream throwStream;\
throwStream << msg << std::endl << std::flush;\
throw gazebo::common::Exception(__FILE__, __LINE__, throwStream.str()); }
/// \class Exception Exception.hh common/common.hh
/// \brief Class for generating exceptions
class GZ_COMMON_VISIBLE Exception
{
/// \brief Constructor
public: Exception();
/// \brief Default constructor
/// \param[in] _file File name
/// \param[in] _line Line number where the error occurred
/// \param[in] _msg Error message
public: Exception(const char *_file,
int _line,
std::string _msg);
/// \brief Destructor
public: virtual ~Exception();
/// \brief Return the error function
/// \return The error function name
public: std::string GetErrorFile() const;
/// \brief Return the error string
/// \return The error string
public: std::string GetErrorStr() const;
/// \brief Print the exception to std out.
public: void Print() const;
/// \brief The error function
private: std::string file;
/// \brief Line the error occured on
private: int line;
/// \brief The error string
private: std::string str;
/// \brief stream insertion operator for Gazebo Error
/// \param[in] _out the output stream
/// \param[in] _err the exception
public: friend std::ostream &operator<<(std::ostream &_out,
const gazebo::common::Exception &_err)
{
return _out << _err.GetErrorStr();
}
};
/// \class InternalError Exception.hh common/common.hh
/// \brief Class for generating Internal Gazebo Errors:
/// those errors which should never happend and
/// represent programming bugs.
class GZ_COMMON_VISIBLE InternalError : public Exception
{
/// \brief Constructor
public: InternalError();
/// \brief Default constructor
/// \param[in] _file File name
/// \param[in] _line Line number where the error occurred
/// \param[in] _msg Error message
public: InternalError(const char *_file, int _line,
const std::string &_msg);
/// \brief Destructor
public: virtual ~InternalError();
};
/// \class AssertionInternalError Exception.hh common/common.hh
/// \brief Class for generating Exceptions which come from
/// gazebo assertions. They include information about the
/// assertion expression violated, function where problem
/// appeared and assertion debug message.
class GZ_COMMON_VISIBLE AssertionInternalError : public InternalError
{
/// \brief Constructor for assertions
/// \param[in] _file File name
/// \param[in] _line Line number where the error occurred
/// \param[in] _expr Assertion expression failed resulting in an
/// internal error
/// \param[in] _function Function where assertion failed
/// \param[in] _msg Function where assertion failed
public: AssertionInternalError(const char *_file,
int _line,
const std::string &_expr,
const std::string &_function,
const std::string &_msg = "");
/// \brief Destructor
public: virtual ~AssertionInternalError();
};
/// \}
}
}
#endif